mirror of
				https://github.com/neovim/neovim.git
				synced 2025-11-04 09:44:31 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			8317 lines
		
	
	
		
			207 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			8317 lines
		
	
	
		
			207 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
local REMOVE_THIS = vim.NIL
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return function(itp, _check_parsing, hl, fmtn)
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  local function check_parsing(...)
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    return _check_parsing({ flags = { 0, 1, 2, 3 }, funcname = 'check_parsing' }, ...)
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  end
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  local function check_asgn_parsing(...)
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    return _check_parsing({
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      flags = { 4, 5, 6, 7 },
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      funcname = 'check_asgn_parsing',
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    }, ...)
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  end
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  itp('works with + and @a', function()
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    check_parsing('@a', {
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      ast = {
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        'Register(name=a):0:0:@a',
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      },
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    }, {
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      hl('Register', '@a'),
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    })
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    check_parsing('+@a', {
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      ast = {
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        {
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          'UnaryPlus:0:0:+',
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          children = {
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            'Register(name=a):0:1:@a',
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          },
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        },
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      },
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    }, {
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      hl('UnaryPlus', '+'),
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      hl('Register', '@a'),
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    })
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    check_parsing('@a+@b', {
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      ast = {
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        {
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          'BinaryPlus:0:2:+',
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          children = {
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            'Register(name=a):0:0:@a',
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            'Register(name=b):0:3:@b',
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          },
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        },
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      },
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    }, {
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      hl('Register', '@a'),
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      hl('BinaryPlus', '+'),
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      hl('Register', '@b'),
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    })
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    check_parsing('@a+@b+@c', {
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      ast = {
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        {
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          'BinaryPlus:0:5:+',
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          children = {
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            {
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              'BinaryPlus:0:2:+',
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              children = {
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                'Register(name=a):0:0:@a',
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                'Register(name=b):0:3:@b',
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              },
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            },
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            'Register(name=c):0:6:@c',
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          },
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        },
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      },
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    }, {
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      hl('Register', '@a'),
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      hl('BinaryPlus', '+'),
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      hl('Register', '@b'),
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      hl('BinaryPlus', '+'),
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      hl('Register', '@c'),
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    })
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    check_parsing('+@a+@b', {
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      ast = {
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        {
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          'BinaryPlus:0:3:+',
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          children = {
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            {
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              'UnaryPlus:0:0:+',
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              children = {
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                'Register(name=a):0:1:@a',
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              },
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            },
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            'Register(name=b):0:4:@b',
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          },
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        },
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      },
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    }, {
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      hl('UnaryPlus', '+'),
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      hl('Register', '@a'),
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      hl('BinaryPlus', '+'),
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      hl('Register', '@b'),
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    })
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    check_parsing('+@a++@b', {
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      ast = {
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        {
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          'BinaryPlus:0:3:+',
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          children = {
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            {
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              'UnaryPlus:0:0:+',
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              children = {
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                'Register(name=a):0:1:@a',
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              },
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            },
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            {
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              'UnaryPlus:0:4:+',
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              children = {
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                'Register(name=b):0:5:@b',
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              },
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            },
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          },
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        },
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      },
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    }, {
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      hl('UnaryPlus', '+'),
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      hl('Register', '@a'),
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      hl('BinaryPlus', '+'),
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      hl('UnaryPlus', '+'),
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      hl('Register', '@b'),
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    })
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    check_parsing('@a@b', {
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      ast = {
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        {
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          'OpMissing:0:2:',
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          children = {
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            'Register(name=a):0:0:@a',
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            'Register(name=b):0:2:@b',
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          },
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        },
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      },
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      err = {
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        arg = '@b',
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        msg = 'E15: Missing operator: %.*s',
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      },
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    }, {
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      hl('Register', '@a'),
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      hl('InvalidRegister', '@b'),
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    }, {
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      [1] = {
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        ast = {
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          len = 2,
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          err = REMOVE_THIS,
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          ast = {
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            'Register(name=a):0:0:@a',
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          },
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        },
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        hl_fs = {
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          [2] = REMOVE_THIS,
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        },
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      },
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    })
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    check_parsing(' @a \t @b', {
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      ast = {
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        {
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          'OpMissing:0:3:',
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          children = {
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            'Register(name=a):0:0: @a',
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            'Register(name=b):0:3: \t @b',
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          },
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        },
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      },
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      err = {
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        arg = '@b',
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        msg = 'E15: Missing operator: %.*s',
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      },
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    }, {
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      hl('Register', '@a', 1),
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      hl('InvalidSpacing', ' \t '),
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      hl('Register', '@b'),
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    }, {
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      [1] = {
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        ast = {
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          len = 6,
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          err = REMOVE_THIS,
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          ast = {
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            'Register(name=a):0:0: @a',
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          },
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        },
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        hl_fs = {
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          [2] = REMOVE_THIS,
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          [3] = REMOVE_THIS,
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        },
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      },
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    })
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    check_parsing('+', {
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      ast = {
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        'UnaryPlus:0:0:+',
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      },
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      err = {
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        arg = '',
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        msg = 'E15: Expected value, got EOC: %.*s',
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      },
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    }, {
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      hl('UnaryPlus', '+'),
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    })
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    check_parsing(' +', {
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      ast = {
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        'UnaryPlus:0:0: +',
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      },
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      err = {
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        arg = '',
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        msg = 'E15: Expected value, got EOC: %.*s',
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      },
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    }, {
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      hl('UnaryPlus', '+', 1),
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    })
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    check_parsing('@a+  ', {
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      ast = {
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        {
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          'BinaryPlus:0:2:+',
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          children = {
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            'Register(name=a):0:0:@a',
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          },
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        },
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      },
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      err = {
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        arg = '',
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        msg = 'E15: Expected value, got EOC: %.*s',
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      },
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    }, {
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      hl('Register', '@a'),
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      hl('BinaryPlus', '+'),
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    })
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  end)
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  itp('works with @a, + and parenthesis', function()
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    check_parsing('(@a)', {
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      ast = {
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        {
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          'Nested:0:0:(',
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          children = {
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            'Register(name=a):0:1:@a',
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          },
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        },
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      },
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    }, {
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      hl('NestingParenthesis', '('),
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      hl('Register', '@a'),
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      hl('NestingParenthesis', ')'),
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    })
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    check_parsing('()', {
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      ast = {
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        {
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          'Nested:0:0:(',
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          children = {
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            'Missing:0:1:',
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          },
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        },
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      },
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      err = {
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        arg = ')',
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        msg = 'E15: Expected value, got parenthesis: %.*s',
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      },
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    }, {
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      hl('NestingParenthesis', '('),
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      hl('InvalidNestingParenthesis', ')'),
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    })
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    check_parsing(')', {
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      ast = {
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        {
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          'Nested:0:0:',
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          children = {
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            'Missing:0:0:',
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          },
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        },
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      },
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      err = {
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        arg = ')',
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        msg = 'E15: Expected value, got parenthesis: %.*s',
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      },
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    }, {
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      hl('InvalidNestingParenthesis', ')'),
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    })
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    check_parsing('+)', {
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      ast = {
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        {
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          'Nested:0:1:',
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          children = {
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            {
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              'UnaryPlus:0:0:+',
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              children = {
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                'Missing:0:1:',
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              },
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            },
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          },
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        },
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      },
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      err = {
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        arg = ')',
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        msg = 'E15: Expected value, got parenthesis: %.*s',
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      },
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    }, {
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      hl('UnaryPlus', '+'),
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      hl('InvalidNestingParenthesis', ')'),
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    })
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    check_parsing('+@a(@b)', {
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      ast = {
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        {
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          'UnaryPlus:0:0:+',
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          children = {
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            {
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              'Call:0:3:(',
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              children = {
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                'Register(name=a):0:1:@a',
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                'Register(name=b):0:4:@b',
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              },
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            },
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          },
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        },
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      },
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    }, {
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      hl('UnaryPlus', '+'),
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      hl('Register', '@a'),
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      hl('CallingParenthesis', '('),
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      hl('Register', '@b'),
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      hl('CallingParenthesis', ')'),
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    })
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    check_parsing('@a+@b(@c)', {
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      ast = {
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        {
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          'BinaryPlus:0:2:+',
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          children = {
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            'Register(name=a):0:0:@a',
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            {
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              'Call:0:5:(',
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              children = {
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                'Register(name=b):0:3:@b',
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                'Register(name=c):0:6:@c',
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              },
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            },
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          },
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        },
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      },
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    }, {
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      hl('Register', '@a'),
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      hl('BinaryPlus', '+'),
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      hl('Register', '@b'),
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      hl('CallingParenthesis', '('),
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      hl('Register', '@c'),
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      hl('CallingParenthesis', ')'),
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    })
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    check_parsing('@a()', {
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      ast = {
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        {
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          'Call:0:2:(',
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          children = {
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            'Register(name=a):0:0:@a',
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          },
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        },
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      },
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    }, {
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      hl('Register', '@a'),
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      hl('CallingParenthesis', '('),
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      hl('CallingParenthesis', ')'),
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    })
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    check_parsing('@a ()', {
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      ast = {
 | 
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        {
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          'OpMissing:0:2:',
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          children = {
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						|
            'Register(name=a):0:0:@a',
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            {
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              'Nested:0:2: (',
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              children = {
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                'Missing:0:4:',
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              },
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            },
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          },
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        },
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      },
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      err = {
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        arg = '()',
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        msg = 'E15: Missing operator: %.*s',
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      },
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						|
    }, {
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      hl('Register', '@a'),
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      hl('InvalidSpacing', ' '),
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      hl('NestingParenthesis', '('),
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      hl('InvalidNestingParenthesis', ')'),
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						|
    }, {
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      [1] = {
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        ast = {
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          len = 3,
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          err = REMOVE_THIS,
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          ast = {
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            'Register(name=a):0:0:@a',
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          },
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        },
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        hl_fs = {
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          [2] = REMOVE_THIS,
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          [3] = REMOVE_THIS,
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          [4] = REMOVE_THIS,
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        },
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      },
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    })
 | 
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    check_parsing('@a + (@b)', {
 | 
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      ast = {
 | 
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        {
 | 
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          'BinaryPlus:0:2: +',
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						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
            {
 | 
						|
              'Nested:0:4: (',
 | 
						|
              children = {
 | 
						|
                'Register(name=b):0:6:@b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('NestingParenthesis', '(', 1),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('@a + (+@b)', {
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:2: +',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
            {
 | 
						|
              'Nested:0:4: (',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'UnaryPlus:0:6:+',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=b):0:7:@b',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('NestingParenthesis', '(', 1),
 | 
						|
      hl('UnaryPlus', '+'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('@a + (@b + @c)', {
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:2: +',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
            {
 | 
						|
              'Nested:0:4: (',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'BinaryPlus:0:8: +',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=b):0:6:@b',
 | 
						|
                    'Register(name=c):0:10: @c',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('NestingParenthesis', '(', 1),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('Register', '@c', 1),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('(@a)+@b', {
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:4:+',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Nested:0:0:(',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:1:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'Register(name=b):0:5:@b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
    })
 | 
						|
    check_parsing('@a+(@b)(@c)', {
 | 
						|
      --           01234567890
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:2:+',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
            {
 | 
						|
              'Call:0:7:(',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Nested:0:3:(',
 | 
						|
                  children = { 'Register(name=b):0:4:@b' },
 | 
						|
                },
 | 
						|
                'Register(name=c):0:8:@c',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@c'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('@a+((@b))(@c)', {
 | 
						|
      --           01234567890123456890123456789
 | 
						|
      --           0         1        2
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:2:+',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
            {
 | 
						|
              'Call:0:9:(',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Nested:0:3:(',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'Nested:0:4:(',
 | 
						|
                      children = { 'Register(name=b):0:5:@b' },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'Register(name=c):0:10:@c',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@c'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('@a+((@b))+@c', {
 | 
						|
      --           01234567890123456890123456789
 | 
						|
      --           0         1        2
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:9:+',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'BinaryPlus:0:2:+',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:0:@a',
 | 
						|
                {
 | 
						|
                  'Nested:0:3:(',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'Nested:0:4:(',
 | 
						|
                      children = { 'Register(name=b):0:5:@b' },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'Register(name=c):0:10:@c',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('Register', '@c'),
 | 
						|
    })
 | 
						|
    check_parsing('@a + (@b + @c) + @d(@e) + (+@f) + ((+@g(@h))(@j)(@k))(@l)', {--[[
 | 
						|
       | | | | | |   | |  ||  | | ||  | | ||| ||   ||  ||   ||
 | 
						|
       000000000011111111112222222222333333333344444444445555555
 | 
						|
       012345678901234567890123456789012345678901234567890123456
 | 
						|
      ]]
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:31: +',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'BinaryPlus:0:23: +',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'BinaryPlus:0:14: +',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'BinaryPlus:0:2: +',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=a):0:0:@a',
 | 
						|
                        {
 | 
						|
                          'Nested:0:4: (',
 | 
						|
                          children = {
 | 
						|
                            {
 | 
						|
                              'BinaryPlus:0:8: +',
 | 
						|
                              children = {
 | 
						|
                                'Register(name=b):0:6:@b',
 | 
						|
                                'Register(name=c):0:10: @c',
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                    {
 | 
						|
                      'Call:0:19:(',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=d):0:16: @d',
 | 
						|
                        'Register(name=e):0:20:@e',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                {
 | 
						|
                  'Nested:0:25: (',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'UnaryPlus:0:27:+',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=f):0:28:@f',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'Call:0:53:(',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Nested:0:33: (',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'Call:0:48:(',
 | 
						|
                      children = {
 | 
						|
                        {
 | 
						|
                          'Call:0:44:(',
 | 
						|
                          children = {
 | 
						|
                            {
 | 
						|
                              'Nested:0:35:(',
 | 
						|
                              children = {
 | 
						|
                                {
 | 
						|
                                  'UnaryPlus:0:36:+',
 | 
						|
                                  children = {
 | 
						|
                                    {
 | 
						|
                                      'Call:0:39:(',
 | 
						|
                                      children = {
 | 
						|
                                        'Register(name=g):0:37:@g',
 | 
						|
                                        'Register(name=h):0:40:@h',
 | 
						|
                                      },
 | 
						|
                                    },
 | 
						|
                                  },
 | 
						|
                                },
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                            'Register(name=j):0:45:@j',
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                        'Register(name=k):0:49:@k',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'Register(name=l):0:54:@l',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('NestingParenthesis', '(', 1),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('Register', '@c', 1),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('Register', '@d', 1),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@e'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('NestingParenthesis', '(', 1),
 | 
						|
      hl('UnaryPlus', '+'),
 | 
						|
      hl('Register', '@f'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('NestingParenthesis', '(', 1),
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('UnaryPlus', '+'),
 | 
						|
      hl('Register', '@g'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@h'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@j'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@k'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@l'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('@a)', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:2:',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ')',
 | 
						|
        msg = 'E15: Unexpected closing parenthesis: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('InvalidNestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('(@a', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:0:(',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:1:@a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '(@a',
 | 
						|
        msg = 'E110: Missing closing parenthesis for nested expression: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Register', '@a'),
 | 
						|
    })
 | 
						|
    check_parsing('@a(@b', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Call:0:2:(',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
            'Register(name=b):0:3:@b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '(@b',
 | 
						|
        msg = 'E116: Missing closing parenthesis for function call: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@b'),
 | 
						|
    })
 | 
						|
    check_parsing('@a(@b, @c, @d, @e)', {
 | 
						|
      --           012345678901234567
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Call:0:2:(',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
            {
 | 
						|
              'Comma:0:5:,',
 | 
						|
              children = {
 | 
						|
                'Register(name=b):0:3:@b',
 | 
						|
                {
 | 
						|
                  'Comma:0:9:,',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=c):0:6: @c',
 | 
						|
                    {
 | 
						|
                      'Comma:0:13:,',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=d):0:10: @d',
 | 
						|
                        'Register(name=e):0:14: @e',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Register', '@c', 1),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Register', '@d', 1),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Register', '@e', 1),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('@a(@b(@c))', {
 | 
						|
      --           01234567890123456789012345678901234567
 | 
						|
      --           0         1         2         3
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Call:0:2:(',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
            {
 | 
						|
              'Call:0:5:(',
 | 
						|
              children = {
 | 
						|
                'Register(name=b):0:3:@b',
 | 
						|
                'Register(name=c):0:6:@c',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@c'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('@a(@b(@c(@d(@e), @f(@g(@h), @i(@j)))))', {
 | 
						|
      --           01234567890123456789012345678901234567
 | 
						|
      --           0         1         2         3
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Call:0:2:(',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
            {
 | 
						|
              'Call:0:5:(',
 | 
						|
              children = {
 | 
						|
                'Register(name=b):0:3:@b',
 | 
						|
                {
 | 
						|
                  'Call:0:8:(',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=c):0:6:@c',
 | 
						|
                    {
 | 
						|
                      'Comma:0:15:,',
 | 
						|
                      children = {
 | 
						|
                        {
 | 
						|
                          'Call:0:11:(',
 | 
						|
                          children = {
 | 
						|
                            'Register(name=d):0:9:@d',
 | 
						|
                            'Register(name=e):0:12:@e',
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                        {
 | 
						|
                          'Call:0:19:(',
 | 
						|
                          children = {
 | 
						|
                            'Register(name=f):0:16: @f',
 | 
						|
                            {
 | 
						|
                              'Comma:0:26:,',
 | 
						|
                              children = {
 | 
						|
                                {
 | 
						|
                                  'Call:0:22:(',
 | 
						|
                                  children = {
 | 
						|
                                    'Register(name=g):0:20:@g',
 | 
						|
                                    'Register(name=h):0:23:@h',
 | 
						|
                                  },
 | 
						|
                                },
 | 
						|
                                {
 | 
						|
                                  'Call:0:30:(',
 | 
						|
                                  children = {
 | 
						|
                                    'Register(name=i):0:27: @i',
 | 
						|
                                    'Register(name=j):0:31:@j',
 | 
						|
                                  },
 | 
						|
                                },
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@c'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@d'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@e'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Register', '@f', 1),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@g'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@h'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Register', '@i', 1),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@j'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('()()', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Call:0:2:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Nested:0:0:(',
 | 
						|
              children = {
 | 
						|
                'Missing:0:1:',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ')()',
 | 
						|
        msg = 'E15: Expected value, got parenthesis: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('InvalidNestingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('(@a)()', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Call:0:4:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Nested:0:0:(',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:1:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('(@a)(@b)', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Call:0:4:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Nested:0:0:(',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:1:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'Register(name=b):0:5:@b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('(@a) (@b)', {
 | 
						|
      --           012345678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'OpMissing:0:4:',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Nested:0:0:(',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:1:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'Nested:0:4: (',
 | 
						|
              children = {
 | 
						|
                'Register(name=b):0:6:@b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '(@b)',
 | 
						|
        msg = 'E15: Missing operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('InvalidSpacing', ' '),
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
    }, {
 | 
						|
      [1] = {
 | 
						|
        ast = {
 | 
						|
          len = 5,
 | 
						|
          ast = {
 | 
						|
            {
 | 
						|
              'Nested:0:0:(',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:1:@a',
 | 
						|
                REMOVE_THIS,
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
          err = REMOVE_THIS,
 | 
						|
        },
 | 
						|
        hl_fs = {
 | 
						|
          [4] = REMOVE_THIS,
 | 
						|
          [5] = REMOVE_THIS,
 | 
						|
          [6] = REMOVE_THIS,
 | 
						|
          [7] = REMOVE_THIS,
 | 
						|
        },
 | 
						|
      },
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with variable names, including curly braces ones', function()
 | 
						|
    check_parsing('var', {
 | 
						|
      ast = {
 | 
						|
        'PlainIdentifier(scope=0,ident=var):0:0:var',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'var'),
 | 
						|
    })
 | 
						|
    check_parsing('g:var', {
 | 
						|
      ast = {
 | 
						|
        'PlainIdentifier(scope=g,ident=var):0:0:g:var',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierScope', 'g'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
      hl('IdentifierName', 'var'),
 | 
						|
    })
 | 
						|
    check_parsing('g:', {
 | 
						|
      ast = {
 | 
						|
        'PlainIdentifier(scope=g,ident=):0:0:g:',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierScope', 'g'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
    })
 | 
						|
    check_parsing('{a}', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('CurlyBracesIdentifier', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{a:b}', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('CurlyBracesIdentifier', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=a,ident=b):0:1:a:b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierScope', 'a'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{a:@b}', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('CurlyBracesIdentifier', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'OpMissing:0:3:',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=a,ident=):0:1:a:',
 | 
						|
                'Register(name=b):0:3:@b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '@b}',
 | 
						|
        msg = 'E15: Missing operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierScope', 'a'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
      hl('InvalidRegister', '@b'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{@a}', {
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('CurlyBracesIdentifier', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:1:@a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{@a}{@b}', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ComplexIdentifier:0:4:',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              fmtn('CurlyBracesIdentifier', '-di', ':0:0:{'),
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:1:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              fmtn('CurlyBracesIdentifier', '--i', ':0:4:{'),
 | 
						|
              children = {
 | 
						|
                'Register(name=b):0:5:@b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('g:{@a}', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ComplexIdentifier:0:2:',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=g,ident=):0:0:g:',
 | 
						|
            {
 | 
						|
              fmtn('CurlyBracesIdentifier', '--i', ':0:2:{'),
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:3:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierScope', 'g'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{@a}_test', {
 | 
						|
      --           012345678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ComplexIdentifier:0:4:',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              fmtn('CurlyBracesIdentifier', '-di', ':0:0:{'),
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:1:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'PlainIdentifier(scope=0,ident=_test):0:4:_test',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('IdentifierName', '_test'),
 | 
						|
    })
 | 
						|
    check_parsing('g:{@a}_test', {
 | 
						|
      --           01234567890
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ComplexIdentifier:0:2:',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=g,ident=):0:0:g:',
 | 
						|
            {
 | 
						|
              'ComplexIdentifier:0:6:',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  fmtn('CurlyBracesIdentifier', '--i', ':0:2:{'),
 | 
						|
                  children = {
 | 
						|
                    'Register(name=a):0:3:@a',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'PlainIdentifier(scope=0,ident=_test):0:6:_test',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierScope', 'g'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('IdentifierName', '_test'),
 | 
						|
    })
 | 
						|
    check_parsing('g:{@a}_test()', {
 | 
						|
      --           0123456789012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Call:0:11:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'ComplexIdentifier:0:2:',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=g,ident=):0:0:g:',
 | 
						|
                {
 | 
						|
                  'ComplexIdentifier:0:6:',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      fmtn('CurlyBracesIdentifier', '--i', ':0:2:{'),
 | 
						|
                      children = {
 | 
						|
                        'Register(name=a):0:3:@a',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                    'PlainIdentifier(scope=0,ident=_test):0:6:_test',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierScope', 'g'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('IdentifierName', '_test'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('{@a} ()', {
 | 
						|
      --           0123456789012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Call:0:4: (',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              fmtn('CurlyBracesIdentifier', '-di', ':0:0:{'),
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:1:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('CallingParenthesis', '(', 1),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('g:{@a} ()', {
 | 
						|
      --           0123456789012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Call:0:6: (',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'ComplexIdentifier:0:2:',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=g,ident=):0:0:g:',
 | 
						|
                {
 | 
						|
                  fmtn('CurlyBracesIdentifier', '--i', ':0:2:{'),
 | 
						|
                  children = {
 | 
						|
                    'Register(name=a):0:3:@a',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierScope', 'g'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('CallingParenthesis', '(', 1),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('{@a', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('UnknownFigure', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:1:@a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '{@a',
 | 
						|
        msg = 'E15: Missing closing figure brace: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('FigureBrace', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
    })
 | 
						|
    check_parsing('a ()', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Call:0:1: (',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('CallingParenthesis', '(', 1),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with lambdas and dictionaries', function()
 | 
						|
    check_parsing('{}', {
 | 
						|
      ast = {
 | 
						|
        fmtn('DictLiteral', '-di', ':0:0:{'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Dict', '{'),
 | 
						|
      hl('Dict', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{->@a}', {
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Arrow:0:1:->',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:3:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{->@a+@b}', {
 | 
						|
      --           012345678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Arrow:0:1:->',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'BinaryPlus:0:5:+',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=a):0:3:@a',
 | 
						|
                    'Register(name=b):0:6:@b',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{a->@a}', {
 | 
						|
      --           012345678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
            {
 | 
						|
              'Arrow:0:2:->',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:4:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{a,b->@a}', {
 | 
						|
      --           012345678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'Arrow:0:4:->',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:6:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{a,b,c->@a}', {
 | 
						|
      --           01234567890
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                {
 | 
						|
                  'Comma:0:4:,',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
                    'PlainIdentifier(scope=0,ident=c):0:5:c',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'Arrow:0:6:->',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:8:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{a,b,c,d->@a}', {
 | 
						|
      --           0123456789012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                {
 | 
						|
                  'Comma:0:4:,',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
                    {
 | 
						|
                      'Comma:0:6:,',
 | 
						|
                      children = {
 | 
						|
                        'PlainIdentifier(scope=0,ident=c):0:5:c',
 | 
						|
                        'PlainIdentifier(scope=0,ident=d):0:7:d',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'Arrow:0:8:->',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:10:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'd'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{a,b,c,d,->@a}', {
 | 
						|
      --           01234567890123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                {
 | 
						|
                  'Comma:0:4:,',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
                    {
 | 
						|
                      'Comma:0:6:,',
 | 
						|
                      children = {
 | 
						|
                        'PlainIdentifier(scope=0,ident=c):0:5:c',
 | 
						|
                        {
 | 
						|
                          'Comma:0:8:,',
 | 
						|
                          children = {
 | 
						|
                            'PlainIdentifier(scope=0,ident=d):0:7:d',
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'Arrow:0:9:->',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:11:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'd'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{a,b->{c,d->{e,f->@a}}}', {
 | 
						|
      --           01234567890123456789012
 | 
						|
      --           0         1         2
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'Arrow:0:4:->',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  fmtn('Lambda', '\\di', ':0:6:{'),
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'Comma:0:8:,',
 | 
						|
                      children = {
 | 
						|
                        'PlainIdentifier(scope=0,ident=c):0:7:c',
 | 
						|
                        'PlainIdentifier(scope=0,ident=d):0:9:d',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                    {
 | 
						|
                      'Arrow:0:10:->',
 | 
						|
                      children = {
 | 
						|
                        {
 | 
						|
                          fmtn('Lambda', '\\di', ':0:12:{'),
 | 
						|
                          children = {
 | 
						|
                            {
 | 
						|
                              'Comma:0:14:,',
 | 
						|
                              children = {
 | 
						|
                                'PlainIdentifier(scope=0,ident=e):0:13:e',
 | 
						|
                                'PlainIdentifier(scope=0,ident=f):0:15:f',
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                            {
 | 
						|
                              'Arrow:0:16:->',
 | 
						|
                              children = {
 | 
						|
                                'Register(name=a):0:18:@a',
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'd'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'e'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'f'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{a,b->c,d}', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'Arrow:0:4:->',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Comma:0:7:,',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=c):0:6:c',
 | 
						|
                    'PlainIdentifier(scope=0,ident=d):0:8:d',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ',d}',
 | 
						|
        msg = 'E15: Comma outside of call, lambda or literal: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('InvalidComma', ','),
 | 
						|
      hl('IdentifierName', 'd'),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('a,b,c,d', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comma:0:1:,',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'Comma:0:3:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:2:b',
 | 
						|
                {
 | 
						|
                  'Comma:0:5:,',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=c):0:4:c',
 | 
						|
                    'PlainIdentifier(scope=0,ident=d):0:6:d',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ',b,c,d',
 | 
						|
        msg = 'E15: Comma outside of call, lambda or literal: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('InvalidComma', ','),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('InvalidComma', ','),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('InvalidComma', ','),
 | 
						|
      hl('IdentifierName', 'd'),
 | 
						|
    })
 | 
						|
    check_parsing('a,b,c,d,', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comma:0:1:,',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'Comma:0:3:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:2:b',
 | 
						|
                {
 | 
						|
                  'Comma:0:5:,',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=c):0:4:c',
 | 
						|
                    {
 | 
						|
                      'Comma:0:7:,',
 | 
						|
                      children = {
 | 
						|
                        'PlainIdentifier(scope=0,ident=d):0:6:d',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ',b,c,d,',
 | 
						|
        msg = 'E15: Comma outside of call, lambda or literal: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('InvalidComma', ','),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('InvalidComma', ','),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('InvalidComma', ','),
 | 
						|
      hl('IdentifierName', 'd'),
 | 
						|
      hl('InvalidComma', ','),
 | 
						|
    })
 | 
						|
    check_parsing(',', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comma:0:0:,',
 | 
						|
          children = {
 | 
						|
            'Missing:0:0:',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ',',
 | 
						|
        msg = 'E15: Expected value, got comma: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidComma', ','),
 | 
						|
    })
 | 
						|
    check_parsing('{,a->@a}', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('CurlyBracesIdentifier', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Arrow:0:3:->',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Comma:0:1:,',
 | 
						|
                  children = {
 | 
						|
                    'Missing:0:1:',
 | 
						|
                    'PlainIdentifier(scope=0,ident=a):0:2:a',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'Register(name=a):0:5:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ',a->@a}',
 | 
						|
        msg = 'E15: Expected value, got comma: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('InvalidComma', ','),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('InvalidArrow', '->'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('}', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        fmtn('UnknownFigure', '---', ':0:0:'),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '}',
 | 
						|
        msg = 'E15: Unexpected closing figure brace: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidFigureBrace', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{->}', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            'Arrow:0:1:->',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '}',
 | 
						|
        msg = 'E15: Expected value, got closing figure brace: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('InvalidLambda', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{a,b}', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '}',
 | 
						|
        msg = 'E15: Expected lambda arguments list or arrow: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('InvalidLambda', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{a,}', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '}',
 | 
						|
        msg = 'E15: Expected lambda arguments list or arrow: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('InvalidLambda', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{@a:@b}', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('DictLiteral', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Colon:0:3::',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:1:@a',
 | 
						|
                'Register(name=b):0:4:@b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Dict', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Colon', ':'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('Dict', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{@a:@b,@c:@d}', {
 | 
						|
      --           0123456789012
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('DictLiteral', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:6:,',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Colon:0:3::',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=a):0:1:@a',
 | 
						|
                    'Register(name=b):0:4:@b',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                {
 | 
						|
                  'Colon:0:9::',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=c):0:7:@c',
 | 
						|
                    'Register(name=d):0:10:@d',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Dict', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Colon', ':'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Register', '@c'),
 | 
						|
      hl('Colon', ':'),
 | 
						|
      hl('Register', '@d'),
 | 
						|
      hl('Dict', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{@a:@b,@c:@d,@e:@f,}', {
 | 
						|
      --           01234567890123456789
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('DictLiteral', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:6:,',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Colon:0:3::',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=a):0:1:@a',
 | 
						|
                    'Register(name=b):0:4:@b',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                {
 | 
						|
                  'Comma:0:12:,',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'Colon:0:9::',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=c):0:7:@c',
 | 
						|
                        'Register(name=d):0:10:@d',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                    {
 | 
						|
                      'Comma:0:18:,',
 | 
						|
                      children = {
 | 
						|
                        {
 | 
						|
                          'Colon:0:15::',
 | 
						|
                          children = {
 | 
						|
                            'Register(name=e):0:13:@e',
 | 
						|
                            'Register(name=f):0:16:@f',
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Dict', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Colon', ':'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Register', '@c'),
 | 
						|
      hl('Colon', ':'),
 | 
						|
      hl('Register', '@d'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Register', '@e'),
 | 
						|
      hl('Colon', ':'),
 | 
						|
      hl('Register', '@f'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Dict', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{@a:@b,@c:@d,@e:@f,@g:}', {
 | 
						|
      --           01234567890123456789012
 | 
						|
      --           0         1         2
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('DictLiteral', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:6:,',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Colon:0:3::',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=a):0:1:@a',
 | 
						|
                    'Register(name=b):0:4:@b',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                {
 | 
						|
                  'Comma:0:12:,',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'Colon:0:9::',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=c):0:7:@c',
 | 
						|
                        'Register(name=d):0:10:@d',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                    {
 | 
						|
                      'Comma:0:18:,',
 | 
						|
                      children = {
 | 
						|
                        {
 | 
						|
                          'Colon:0:15::',
 | 
						|
                          children = {
 | 
						|
                            'Register(name=e):0:13:@e',
 | 
						|
                            'Register(name=f):0:16:@f',
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                        {
 | 
						|
                          'Colon:0:21::',
 | 
						|
                          children = {
 | 
						|
                            'Register(name=g):0:19:@g',
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '}',
 | 
						|
        msg = 'E15: Expected value, got closing figure brace: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Dict', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Colon', ':'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Register', '@c'),
 | 
						|
      hl('Colon', ':'),
 | 
						|
      hl('Register', '@d'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Register', '@e'),
 | 
						|
      hl('Colon', ':'),
 | 
						|
      hl('Register', '@f'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Register', '@g'),
 | 
						|
      hl('Colon', ':'),
 | 
						|
      hl('InvalidDict', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{@a:@b,}', {
 | 
						|
      --           01234567890123
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('DictLiteral', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:6:,',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Colon:0:3::',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=a):0:1:@a',
 | 
						|
                    'Register(name=b):0:4:@b',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Dict', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Colon', ':'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Dict', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{({f -> g})(@h)(@i)}', {
 | 
						|
      --           01234567890123456789
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('CurlyBracesIdentifier', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Call:0:15:(',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Call:0:11:(',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'Nested:0:1:(',
 | 
						|
                      children = {
 | 
						|
                        {
 | 
						|
                          fmtn('Lambda', '\\di', ':0:2:{'),
 | 
						|
                          children = {
 | 
						|
                            'PlainIdentifier(scope=0,ident=f):0:3:f',
 | 
						|
                            {
 | 
						|
                              'Arrow:0:4: ->',
 | 
						|
                              children = {
 | 
						|
                                'PlainIdentifier(scope=0,ident=g):0:7: g',
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                    'Register(name=h):0:12:@h',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'Register(name=i):0:16:@i',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'f'),
 | 
						|
      hl('Arrow', '->', 1),
 | 
						|
      hl('IdentifierName', 'g', 1),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@h'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@i'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('a:{b()}c', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ComplexIdentifier:0:2:',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=a,ident=):0:0:a:',
 | 
						|
            {
 | 
						|
              'ComplexIdentifier:0:7:',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  fmtn('CurlyBracesIdentifier', '--i', ':0:2:{'),
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'Call:0:4:(',
 | 
						|
                      children = {
 | 
						|
                        'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'PlainIdentifier(scope=0,ident=c):0:7:c',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierScope', 'a'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
    })
 | 
						|
    check_parsing('a:{{b, c -> @d + @e + ({f -> g})(@h)}(@i)}j', {
 | 
						|
      --           01234567890123456789012345678901234567890123456
 | 
						|
      --           0         1         2         3         4
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ComplexIdentifier:0:2:',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=a,ident=):0:0:a:',
 | 
						|
            {
 | 
						|
              'ComplexIdentifier:0:42:',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  fmtn('CurlyBracesIdentifier', '--i', ':0:2:{'),
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'Call:0:37:(',
 | 
						|
                      children = {
 | 
						|
                        {
 | 
						|
                          fmtn('Lambda', '\\di', ':0:3:{'),
 | 
						|
                          children = {
 | 
						|
                            {
 | 
						|
                              'Comma:0:5:,',
 | 
						|
                              children = {
 | 
						|
                                'PlainIdentifier(scope=0,ident=b):0:4:b',
 | 
						|
                                'PlainIdentifier(scope=0,ident=c):0:6: c',
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                            {
 | 
						|
                              'Arrow:0:8: ->',
 | 
						|
                              children = {
 | 
						|
                                {
 | 
						|
                                  'BinaryPlus:0:19: +',
 | 
						|
                                  children = {
 | 
						|
                                    {
 | 
						|
                                      'BinaryPlus:0:14: +',
 | 
						|
                                      children = {
 | 
						|
                                        'Register(name=d):0:11: @d',
 | 
						|
                                        'Register(name=e):0:16: @e',
 | 
						|
                                      },
 | 
						|
                                    },
 | 
						|
                                    {
 | 
						|
                                      'Call:0:32:(',
 | 
						|
                                      children = {
 | 
						|
                                        {
 | 
						|
                                          'Nested:0:21: (',
 | 
						|
                                          children = {
 | 
						|
                                            {
 | 
						|
                                              fmtn('Lambda', '\\di', ':0:23:{'),
 | 
						|
                                              children = {
 | 
						|
                                                'PlainIdentifier(scope=0,ident=f):0:24:f',
 | 
						|
                                                {
 | 
						|
                                                  'Arrow:0:25: ->',
 | 
						|
                                                  children = {
 | 
						|
                                                    'PlainIdentifier(scope=0,ident=g):0:28: g',
 | 
						|
                                                  },
 | 
						|
                                                },
 | 
						|
                                              },
 | 
						|
                                            },
 | 
						|
                                          },
 | 
						|
                                        },
 | 
						|
                                        'Register(name=h):0:33:@h',
 | 
						|
                                      },
 | 
						|
                                    },
 | 
						|
                                  },
 | 
						|
                                },
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                        'Register(name=i):0:38:@i',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'PlainIdentifier(scope=0,ident=j):0:42:j',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierScope', 'a'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
      hl('Arrow', '->', 1),
 | 
						|
      hl('Register', '@d', 1),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('Register', '@e', 1),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('NestingParenthesis', '(', 1),
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'f'),
 | 
						|
      hl('Arrow', '->', 1),
 | 
						|
      hl('IdentifierName', 'g', 1),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@h'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('Register', '@i'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('IdentifierName', 'j'),
 | 
						|
    })
 | 
						|
    check_parsing('{@a + @b : @c + @d, @e + @f : @g + @i}', {
 | 
						|
      --           01234567890123456789012345678901234567
 | 
						|
      --           0         1         2         3
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('DictLiteral', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:18:,',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Colon:0:8: :',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'BinaryPlus:0:3: +',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=a):0:1:@a',
 | 
						|
                        'Register(name=b):0:5: @b',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                    {
 | 
						|
                      'BinaryPlus:0:13: +',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=c):0:10: @c',
 | 
						|
                        'Register(name=d):0:15: @d',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                {
 | 
						|
                  'Colon:0:27: :',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'BinaryPlus:0:22: +',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=e):0:19: @e',
 | 
						|
                        'Register(name=f):0:24: @f',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                    {
 | 
						|
                      'BinaryPlus:0:32: +',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=g):0:29: @g',
 | 
						|
                        'Register(name=i):0:34: @i',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Dict', '{'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('Register', '@b', 1),
 | 
						|
      hl('Colon', ':', 1),
 | 
						|
      hl('Register', '@c', 1),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('Register', '@d', 1),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Register', '@e', 1),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('Register', '@f', 1),
 | 
						|
      hl('Colon', ':', 1),
 | 
						|
      hl('Register', '@g', 1),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('Register', '@i', 1),
 | 
						|
      hl('Dict', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('-> -> ->', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Arrow:0:0:->',
 | 
						|
          children = {
 | 
						|
            'Missing:0:0:',
 | 
						|
            {
 | 
						|
              'Arrow:0:2: ->',
 | 
						|
              children = {
 | 
						|
                'Missing:0:2:',
 | 
						|
                {
 | 
						|
                  'Arrow:0:5: ->',
 | 
						|
                  children = {
 | 
						|
                    'Missing:0:5:',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '-> -> ->',
 | 
						|
        msg = 'E15: Unexpected arrow: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidArrow', '->'),
 | 
						|
      hl('InvalidArrow', '->', 1),
 | 
						|
      hl('InvalidArrow', '->', 1),
 | 
						|
    })
 | 
						|
    check_parsing('a -> b -> c -> d', {
 | 
						|
      --           0123456789012345
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Arrow:0:1: ->',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'Arrow:0:6: ->',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:4: b',
 | 
						|
                {
 | 
						|
                  'Arrow:0:11: ->',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=c):0:9: c',
 | 
						|
                    'PlainIdentifier(scope=0,ident=d):0:14: d',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '-> b -> c -> d',
 | 
						|
        msg = 'E15: Arrow outside of lambda: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('InvalidArrow', '->', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('InvalidArrow', '->', 1),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
      hl('InvalidArrow', '->', 1),
 | 
						|
      hl('IdentifierName', 'd', 1),
 | 
						|
    })
 | 
						|
    check_parsing('{a -> b -> c}', {
 | 
						|
      --           0123456789012
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
            {
 | 
						|
              'Arrow:0:2: ->',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Arrow:0:7: ->',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=b):0:5: b',
 | 
						|
                    'PlainIdentifier(scope=0,ident=c):0:10: c',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '-> c}',
 | 
						|
        msg = 'E15: Arrow outside of lambda: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Arrow', '->', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('InvalidArrow', '->', 1),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{a: -> b}', {
 | 
						|
      --           012345678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('CurlyBracesIdentifier', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Arrow:0:3: ->',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=a,ident=):0:1:a:',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:6: b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '-> b}',
 | 
						|
        msg = 'E15: Arrow outside of lambda: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierScope', 'a'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
      hl('InvalidArrow', '->', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('Curly', '}'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('{a:b -> b}', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('CurlyBracesIdentifier', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Arrow:0:4: ->',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=a,ident=b):0:1:a:b',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:7: b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '-> b}',
 | 
						|
        msg = 'E15: Arrow outside of lambda: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierScope', 'a'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('InvalidArrow', '->', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('Curly', '}'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('{a#b -> b}', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('CurlyBracesIdentifier', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Arrow:0:4: ->',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a#b):0:1:a#b',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:7: b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '-> b}',
 | 
						|
        msg = 'E15: Arrow outside of lambda: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierName', 'a#b'),
 | 
						|
      hl('InvalidArrow', '->', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('Curly', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{a : b : c}', {
 | 
						|
      --           01234567890
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('DictLiteral', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Colon:0:2: :',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                {
 | 
						|
                  'Colon:0:6: :',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=b):0:4: b',
 | 
						|
                    'PlainIdentifier(scope=0,ident=c):0:8: c',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ': c}',
 | 
						|
        msg = 'E15: Colon outside of dictionary or ternary operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Dict', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Colon', ':', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('InvalidColon', ':', 1),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
      hl('Dict', '}'),
 | 
						|
    })
 | 
						|
    check_parsing('{', {
 | 
						|
      --           0
 | 
						|
      ast = {
 | 
						|
        fmtn('UnknownFigure', '\\di', ':0:0:{'),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '{',
 | 
						|
        msg = 'E15: Missing closing figure brace: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('FigureBrace', '{'),
 | 
						|
    })
 | 
						|
    check_parsing('{a', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('UnknownFigure', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '{a',
 | 
						|
        msg = 'E15: Missing closing figure brace: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('FigureBrace', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
    })
 | 
						|
    check_parsing('{a,b', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '{a,b',
 | 
						|
        msg = 'E15: Missing closing figure brace for lambda: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
    })
 | 
						|
    check_parsing('{a,b->', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'Arrow:0:4:->',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
    })
 | 
						|
    check_parsing('{a,b->c', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('Lambda', '\\di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'Arrow:0:4:->',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=c):0:6:c',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '{a,b->c',
 | 
						|
        msg = 'E15: Missing closing figure brace for lambda: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
    })
 | 
						|
    check_parsing('{a : b', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('DictLiteral', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Colon:0:2: :',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:4: b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '{a : b',
 | 
						|
        msg = "E723: Missing end of Dictionary '}': %.*s",
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Dict', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Colon', ':', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
    })
 | 
						|
    check_parsing('{a : b,', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('DictLiteral', '-di', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:6:,',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Colon:0:2: :',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                    'PlainIdentifier(scope=0,ident=b):0:4: b',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Dict', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Colon', ':', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('Comma', ','),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with ternary operator', function()
 | 
						|
    check_parsing('a ? b : c', {
 | 
						|
      --           012345678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Ternary:0:1: ?',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'TernaryValue:0:5: :',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:3: b',
 | 
						|
                'PlainIdentifier(scope=0,ident=c):0:7: c',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Ternary', '?', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('TernaryColon', ':', 1),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
    })
 | 
						|
    check_parsing('@a?@b?@c:@d:@e', {
 | 
						|
      --           01234567890123
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Ternary:0:2:?',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
            {
 | 
						|
              'TernaryValue:0:11::',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Ternary:0:5:?',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=b):0:3:@b',
 | 
						|
                    {
 | 
						|
                      'TernaryValue:0:8::',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=c):0:6:@c',
 | 
						|
                        'Register(name=d):0:9:@d',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'Register(name=e):0:12:@e',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@c'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@d'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@e'),
 | 
						|
    })
 | 
						|
    check_parsing('@a?@b:@c?@d:@e', {
 | 
						|
      --           01234567890123
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Ternary:0:2:?',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
            {
 | 
						|
              'TernaryValue:0:5::',
 | 
						|
              children = {
 | 
						|
                'Register(name=b):0:3:@b',
 | 
						|
                {
 | 
						|
                  'Ternary:0:8:?',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=c):0:6:@c',
 | 
						|
                    {
 | 
						|
                      'TernaryValue:0:11::',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=d):0:9:@d',
 | 
						|
                        'Register(name=e):0:12:@e',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@c'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@d'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@e'),
 | 
						|
    })
 | 
						|
    check_parsing('@a?@b?@c?@d:@e?@f:@g:@h?@i:@j:@k', {
 | 
						|
      --           01234567890123456789012345678901
 | 
						|
      --           0         1         2         3
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Ternary:0:2:?',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
            {
 | 
						|
              'TernaryValue:0:29::',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Ternary:0:5:?',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=b):0:3:@b',
 | 
						|
                    {
 | 
						|
                      'TernaryValue:0:20::',
 | 
						|
                      children = {
 | 
						|
                        {
 | 
						|
                          'Ternary:0:8:?',
 | 
						|
                          children = {
 | 
						|
                            'Register(name=c):0:6:@c',
 | 
						|
                            {
 | 
						|
                              'TernaryValue:0:11::',
 | 
						|
                              children = {
 | 
						|
                                'Register(name=d):0:9:@d',
 | 
						|
                                {
 | 
						|
                                  'Ternary:0:14:?',
 | 
						|
                                  children = {
 | 
						|
                                    'Register(name=e):0:12:@e',
 | 
						|
                                    {
 | 
						|
                                      'TernaryValue:0:17::',
 | 
						|
                                      children = {
 | 
						|
                                        'Register(name=f):0:15:@f',
 | 
						|
                                        'Register(name=g):0:18:@g',
 | 
						|
                                      },
 | 
						|
                                    },
 | 
						|
                                  },
 | 
						|
                                },
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                        {
 | 
						|
                          'Ternary:0:23:?',
 | 
						|
                          children = {
 | 
						|
                            'Register(name=h):0:21:@h',
 | 
						|
                            {
 | 
						|
                              'TernaryValue:0:26::',
 | 
						|
                              children = {
 | 
						|
                                'Register(name=i):0:24:@i',
 | 
						|
                                'Register(name=j):0:27:@j',
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'Register(name=k):0:30:@k',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@c'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@d'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@e'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@f'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@g'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@h'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@i'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@j'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@k'),
 | 
						|
    })
 | 
						|
    check_parsing('?', {
 | 
						|
      --           0
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Ternary:0:0:?',
 | 
						|
          children = {
 | 
						|
            'Missing:0:0:',
 | 
						|
            'TernaryValue:0:0:?',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '?',
 | 
						|
        msg = 'E15: Expected value, got question mark: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidTernary', '?'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('?:', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Ternary:0:0:?',
 | 
						|
          children = {
 | 
						|
            'Missing:0:0:',
 | 
						|
            {
 | 
						|
              'TernaryValue:0:1::',
 | 
						|
              children = {
 | 
						|
                'Missing:0:1:',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '?:',
 | 
						|
        msg = 'E15: Expected value, got question mark: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidTernary', '?'),
 | 
						|
      hl('InvalidTernaryColon', ':'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('?::', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Colon:0:2::',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Ternary:0:0:?',
 | 
						|
              children = {
 | 
						|
                'Missing:0:0:',
 | 
						|
                {
 | 
						|
                  'TernaryValue:0:1::',
 | 
						|
                  children = {
 | 
						|
                    'Missing:0:1:',
 | 
						|
                    'Missing:0:2:',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '?::',
 | 
						|
        msg = 'E15: Expected value, got question mark: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidTernary', '?'),
 | 
						|
      hl('InvalidTernaryColon', ':'),
 | 
						|
      hl('InvalidColon', ':'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a?b', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Ternary:0:1:?',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'TernaryValue:0:1:?',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:2:b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '?b',
 | 
						|
        msg = "E109: Missing ':' after '?': %.*s",
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
    })
 | 
						|
    check_parsing('a?b:', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Ternary:0:1:?',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'TernaryValue:0:1:?',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=b,ident=):0:2:b:',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '?b:',
 | 
						|
        msg = "E109: Missing ':' after '?': %.*s",
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('IdentifierScope', 'b'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a?b::c', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Ternary:0:1:?',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'TernaryValue:0:4::',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=b,ident=):0:2:b:',
 | 
						|
                'PlainIdentifier(scope=0,ident=c):0:5:c',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('IdentifierScope', 'b'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a?b :', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Ternary:0:1:?',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'TernaryValue:0:3: :',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:2:b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('TernaryColon', ':', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(@a?@b:@c)?@d:@e', {
 | 
						|
      --           0123456789012345
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Ternary:0:10:?',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Nested:0:0:(',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Ternary:0:3:?',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=a):0:1:@a',
 | 
						|
                    {
 | 
						|
                      'TernaryValue:0:6::',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=b):0:4:@b',
 | 
						|
                        'Register(name=c):0:7:@c',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'TernaryValue:0:13::',
 | 
						|
              children = {
 | 
						|
                'Register(name=d):0:11:@d',
 | 
						|
                'Register(name=e):0:14:@e',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@c'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@d'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@e'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(@a?@b:@c)?(@d?@e:@f):(@g?@h:@i)', {
 | 
						|
      --           01234567890123456789012345678901
 | 
						|
      --           0         1         2         3
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Ternary:0:10:?',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Nested:0:0:(',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Ternary:0:3:?',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=a):0:1:@a',
 | 
						|
                    {
 | 
						|
                      'TernaryValue:0:6::',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=b):0:4:@b',
 | 
						|
                        'Register(name=c):0:7:@c',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'TernaryValue:0:21::',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Nested:0:11:(',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'Ternary:0:14:?',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=d):0:12:@d',
 | 
						|
                        {
 | 
						|
                          'TernaryValue:0:17::',
 | 
						|
                          children = {
 | 
						|
                            'Register(name=e):0:15:@e',
 | 
						|
                            'Register(name=f):0:18:@f',
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                {
 | 
						|
                  'Nested:0:22:(',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'Ternary:0:25:?',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=g):0:23:@g',
 | 
						|
                        {
 | 
						|
                          'TernaryValue:0:28::',
 | 
						|
                          children = {
 | 
						|
                            'Register(name=h):0:26:@h',
 | 
						|
                            'Register(name=i):0:29:@i',
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@c'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Register', '@d'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@e'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@f'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Register', '@g'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@h'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@i'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(@a?@b:@c)?@d?@e:@f:@g?@h:@i', {
 | 
						|
      --           0123456789012345678901234567
 | 
						|
      --           0         1         2
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Ternary:0:10:?',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Nested:0:0:(',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Ternary:0:3:?',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=a):0:1:@a',
 | 
						|
                    {
 | 
						|
                      'TernaryValue:0:6::',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=b):0:4:@b',
 | 
						|
                        'Register(name=c):0:7:@c',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'TernaryValue:0:19::',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Ternary:0:13:?',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=d):0:11:@d',
 | 
						|
                    {
 | 
						|
                      'TernaryValue:0:16::',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=e):0:14:@e',
 | 
						|
                        'Register(name=f):0:17:@f',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                {
 | 
						|
                  'Ternary:0:22:?',
 | 
						|
                  children = {
 | 
						|
                    'Register(name=g):0:20:@g',
 | 
						|
                    {
 | 
						|
                      'TernaryValue:0:25::',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=h):0:23:@h',
 | 
						|
                        'Register(name=i):0:26:@i',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@c'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@d'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@e'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@f'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@g'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('Register', '@h'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('Register', '@i'),
 | 
						|
    })
 | 
						|
    check_parsing('a?b{cdef}g:h', {
 | 
						|
      --           012345678901
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Ternary:0:1:?',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'TernaryValue:0:10::',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'ComplexIdentifier:0:3:',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=b):0:2:b',
 | 
						|
                    {
 | 
						|
                      'ComplexIdentifier:0:9:',
 | 
						|
                      children = {
 | 
						|
                        {
 | 
						|
                          fmtn('CurlyBracesIdentifier', '--i', ':0:3:{'),
 | 
						|
                          children = {
 | 
						|
                            'PlainIdentifier(scope=0,ident=cdef):0:4:cdef',
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                        'PlainIdentifier(scope=0,ident=g):0:9:g',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'PlainIdentifier(scope=0,ident=h):0:11:h',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Ternary', '?'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierName', 'cdef'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('IdentifierName', 'g'),
 | 
						|
      hl('TernaryColon', ':'),
 | 
						|
      hl('IdentifierName', 'h'),
 | 
						|
    })
 | 
						|
    check_parsing('a ? b : c : d', {
 | 
						|
      --           0123456789012
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Colon:0:9: :',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Ternary:0:1: ?',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
                {
 | 
						|
                  'TernaryValue:0:5: :',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=b):0:3: b',
 | 
						|
                    'PlainIdentifier(scope=0,ident=c):0:7: c',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'PlainIdentifier(scope=0,ident=d):0:11: d',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ': d',
 | 
						|
        msg = 'E15: Colon outside of dictionary or ternary operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Ternary', '?', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('TernaryColon', ':', 1),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
      hl('InvalidColon', ':', 1),
 | 
						|
      hl('IdentifierName', 'd', 1),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with comparison operators', function()
 | 
						|
    check_parsing('a == b', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=Equal,inv=0,ccs=UseOption):0:1: ==',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:4: b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comparison', '==', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a ==? b', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=Equal,inv=0,ccs=IgnoreCase):0:1: ==?',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:5: b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comparison', '==', 1),
 | 
						|
      hl('ComparisonModifier', '?'),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a ==# b', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=Equal,inv=0,ccs=MatchCase):0:1: ==#',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:5: b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comparison', '==', 1),
 | 
						|
      hl('ComparisonModifier', '#'),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a !=# b', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=Equal,inv=1,ccs=MatchCase):0:1: !=#',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:5: b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comparison', '!=', 1),
 | 
						|
      hl('ComparisonModifier', '#'),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a <=# b', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=Greater,inv=1,ccs=MatchCase):0:1: <=#',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:5: b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comparison', '<=', 1),
 | 
						|
      hl('ComparisonModifier', '#'),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a >=# b', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=GreaterOrEqual,inv=0,ccs=MatchCase):0:1: >=#',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:5: b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comparison', '>=', 1),
 | 
						|
      hl('ComparisonModifier', '#'),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a ># b', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=Greater,inv=0,ccs=MatchCase):0:1: >#',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:4: b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comparison', '>', 1),
 | 
						|
      hl('ComparisonModifier', '#'),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a <# b', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=GreaterOrEqual,inv=1,ccs=MatchCase):0:1: <#',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:4: b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comparison', '<', 1),
 | 
						|
      hl('ComparisonModifier', '#'),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a is#b', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=Identical,inv=0,ccs=MatchCase):0:1: is#',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:5:b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comparison', 'is', 1),
 | 
						|
      hl('ComparisonModifier', '#'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a is?b', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=Identical,inv=0,ccs=IgnoreCase):0:1: is?',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:5:b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comparison', 'is', 1),
 | 
						|
      hl('ComparisonModifier', '?'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a isnot b', {
 | 
						|
      --           012345678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=Identical,inv=1,ccs=UseOption):0:1: isnot',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:7: b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comparison', 'isnot', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a < b < c', {
 | 
						|
      --           012345678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=GreaterOrEqual,inv=1,ccs=UseOption):0:1: <',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'Comparison(type=GreaterOrEqual,inv=1,ccs=UseOption):0:5: <',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:3: b',
 | 
						|
                'PlainIdentifier(scope=0,ident=c):0:7: c',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ' < c',
 | 
						|
        msg = 'E15: Operator is not associative: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comparison', '<', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('InvalidComparison', '<', 1),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a < b <# c', {
 | 
						|
      --           012345678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=GreaterOrEqual,inv=1,ccs=UseOption):0:1: <',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'Comparison(type=GreaterOrEqual,inv=1,ccs=MatchCase):0:5: <#',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:3: b',
 | 
						|
                'PlainIdentifier(scope=0,ident=c):0:8: c',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ' <# c',
 | 
						|
        msg = 'E15: Operator is not associative: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comparison', '<', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('InvalidComparison', '<', 1),
 | 
						|
      hl('InvalidComparisonModifier', '#'),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a += b', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Assignment(Add):0:1: +=',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:4: b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '+= b',
 | 
						|
        msg = 'E15: Misplaced assignment: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('InvalidAssignmentWithAddition', '+=', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
    })
 | 
						|
    check_parsing('a + b == c + d', {
 | 
						|
      --           01234567890123
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=Equal,inv=0,ccs=UseOption):0:5: ==',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'BinaryPlus:0:1: +',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:3: b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'BinaryPlus:0:10: +',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=c):0:8: c',
 | 
						|
                'PlainIdentifier(scope=0,ident=d):0:12: d',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('Comparison', '==', 1),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('IdentifierName', 'd', 1),
 | 
						|
    })
 | 
						|
    check_parsing('+ a == + b', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Comparison(type=Equal,inv=0,ccs=UseOption):0:3: ==',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'UnaryPlus:0:0:+',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1: a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'UnaryPlus:0:6: +',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:8: b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('UnaryPlus', '+'),
 | 
						|
      hl('IdentifierName', 'a', 1),
 | 
						|
      hl('Comparison', '==', 1),
 | 
						|
      hl('UnaryPlus', '+', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with concat/subscript', function()
 | 
						|
    check_parsing('.', {
 | 
						|
      --           0
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ConcatOrSubscript:0:0:.',
 | 
						|
          children = {
 | 
						|
            'Missing:0:0:',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '.',
 | 
						|
        msg = 'E15: Unexpected dot: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidConcatOrSubscript', '.'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a.', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ConcatOrSubscript:0:1:.',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a.b', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ConcatOrSubscript:0:1:.',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainKey(key=b):0:2:b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
      hl('IdentifierKey', 'b'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('1.2', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        'Float(val=1.200000e+00):0:0:1.2',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Float', '1.2'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('1.2 + 1.3e-5', {
 | 
						|
      --           012345678901
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:3: +',
 | 
						|
          children = {
 | 
						|
            'Float(val=1.200000e+00):0:0:1.2',
 | 
						|
            'Float(val=1.300000e-05):0:5: 1.3e-5',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Float', '1.2'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('Float', '1.3e-5', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a . 1.2 + 1.3e-5', {
 | 
						|
      --           0123456789012345
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:7: +',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Concat:0:1: .',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
                {
 | 
						|
                  'ConcatOrSubscript:0:5:.',
 | 
						|
                  children = {
 | 
						|
                    'Integer(val=1):0:3: 1',
 | 
						|
                    'PlainKey(key=2):0:6:2',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'Float(val=1.300000e-05):0:9: 1.3e-5',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Concat', '.', 1),
 | 
						|
      hl('Number', '1', 1),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
      hl('IdentifierKey', '2'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('Float', '1.3e-5', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('1.3e-5 + 1.2 . a', {
 | 
						|
      --           0123456789012345
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Concat:0:12: .',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'BinaryPlus:0:6: +',
 | 
						|
              children = {
 | 
						|
                'Float(val=1.300000e-05):0:0:1.3e-5',
 | 
						|
                'Float(val=1.200000e+00):0:8: 1.2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:14: a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Float', '1.3e-5'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('Float', '1.2', 1),
 | 
						|
      hl('Concat', '.', 1),
 | 
						|
      hl('IdentifierName', 'a', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('1.3e-5 + a . 1.2', {
 | 
						|
      --           0123456789012345
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Concat:0:10: .',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'BinaryPlus:0:6: +',
 | 
						|
              children = {
 | 
						|
                'Float(val=1.300000e-05):0:0:1.3e-5',
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:8: a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'ConcatOrSubscript:0:14:.',
 | 
						|
              children = {
 | 
						|
                'Integer(val=1):0:12: 1',
 | 
						|
                'PlainKey(key=2):0:15:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Float', '1.3e-5'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('IdentifierName', 'a', 1),
 | 
						|
      hl('Concat', '.', 1),
 | 
						|
      hl('Number', '1', 1),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
      hl('IdentifierKey', '2'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('1.2.3', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ConcatOrSubscript:0:3:.',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'ConcatOrSubscript:0:1:.',
 | 
						|
              children = {
 | 
						|
                'Integer(val=1):0:0:1',
 | 
						|
                'PlainKey(key=2):0:2:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'PlainKey(key=3):0:4:3',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Number', '1'),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
      hl('IdentifierKey', '2'),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
      hl('IdentifierKey', '3'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a.1.2', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ConcatOrSubscript:0:3:.',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'ConcatOrSubscript:0:1:.',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
                'PlainKey(key=1):0:2:1',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'PlainKey(key=2):0:4:2',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
      hl('IdentifierKey', '1'),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
      hl('IdentifierKey', '2'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a . 1.2', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Concat:0:1: .',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'ConcatOrSubscript:0:5:.',
 | 
						|
              children = {
 | 
						|
                'Integer(val=1):0:3: 1',
 | 
						|
                'PlainKey(key=2):0:6:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Concat', '.', 1),
 | 
						|
      hl('Number', '1', 1),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
      hl('IdentifierKey', '2'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('+a . +b', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Concat:0:2: .',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'UnaryPlus:0:0:+',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'UnaryPlus:0:4: +',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:6:b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('UnaryPlus', '+'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Concat', '.', 1),
 | 
						|
      hl('UnaryPlus', '+', 1),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a. b', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Concat:0:1:.',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:2: b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a. 1', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Concat:0:1:.',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'Integer(val=1):0:2: 1',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
      hl('Number', '1', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a[1][2][3[4', {
 | 
						|
      --           01234567890
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Subscript:0:7:[',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Subscript:0:4:[',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Subscript:0:1:[',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
                    'Integer(val=1):0:2:1',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'Integer(val=2):0:5:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'Subscript:0:9:[',
 | 
						|
              children = {
 | 
						|
                'Integer(val=3):0:8:3',
 | 
						|
                'Integer(val=4):0:10:4',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('Number', '1'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('Number', '3'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('Number', '4'),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with bracket subscripts', function()
 | 
						|
    check_parsing(':', {
 | 
						|
      --           0
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Colon:0:0::',
 | 
						|
          children = {
 | 
						|
            'Missing:0:0:',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ':',
 | 
						|
        msg = 'E15: Colon outside of dictionary or ternary operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidColon', ':'),
 | 
						|
    })
 | 
						|
    check_parsing('a[]', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Subscript:0:1:[',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ']',
 | 
						|
        msg = 'E15: Expected value, got closing bracket: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('InvalidSubscriptBracket', ']'),
 | 
						|
    })
 | 
						|
    check_parsing('a[b:]', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Subscript:0:1:[',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=b,ident=):0:2:b:',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('IdentifierScope', 'b'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a[b:c]', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Subscript:0:1:[',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=b,ident=c):0:2:b:c',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('IdentifierScope', 'b'),
 | 
						|
      hl('IdentifierScopeDelimiter', ':'),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
    })
 | 
						|
    check_parsing('a[b : c]', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Subscript:0:1:[',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'Colon:0:3: :',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:2:b',
 | 
						|
                'PlainIdentifier(scope=0,ident=c):0:5: c',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('SubscriptColon', ':', 1),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a[: b]', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Subscript:0:1:[',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'Colon:0:2::',
 | 
						|
              children = {
 | 
						|
                'Missing:0:2:',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:3: b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('SubscriptColon', ':'),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a[b :]', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Subscript:0:1:[',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'Colon:0:3: :',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:2:b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('SubscriptColon', ':', 1),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
    })
 | 
						|
    check_parsing('a[b][c][d](e)(f)(g)', {
 | 
						|
      --           0123456789012345678
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Call:0:16:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Call:0:13:(',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Call:0:10:(',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'Subscript:0:7:[',
 | 
						|
                      children = {
 | 
						|
                        {
 | 
						|
                          'Subscript:0:4:[',
 | 
						|
                          children = {
 | 
						|
                            {
 | 
						|
                              'Subscript:0:1:[',
 | 
						|
                              children = {
 | 
						|
                                'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
                                'PlainIdentifier(scope=0,ident=b):0:2:b',
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                            'PlainIdentifier(scope=0,ident=c):0:5:c',
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                        'PlainIdentifier(scope=0,ident=d):0:8:d',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                    'PlainIdentifier(scope=0,ident=e):0:11:e',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'PlainIdentifier(scope=0,ident=f):0:14:f',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'PlainIdentifier(scope=0,ident=g):0:17:g',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('IdentifierName', 'd'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('IdentifierName', 'e'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('IdentifierName', 'f'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('IdentifierName', 'g'),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
    })
 | 
						|
    check_parsing('{a}{b}{c}[d][e][f]', {
 | 
						|
      --           012345678901234567
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Subscript:0:15:[',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Subscript:0:12:[',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Subscript:0:9:[',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'ComplexIdentifier:0:3:',
 | 
						|
                      children = {
 | 
						|
                        {
 | 
						|
                          fmtn('CurlyBracesIdentifier', '-di', ':0:0:{'),
 | 
						|
                          children = {
 | 
						|
                            'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                        {
 | 
						|
                          'ComplexIdentifier:0:6:',
 | 
						|
                          children = {
 | 
						|
                            {
 | 
						|
                              fmtn('CurlyBracesIdentifier', '--i', ':0:3:{'),
 | 
						|
                              children = {
 | 
						|
                                'PlainIdentifier(scope=0,ident=b):0:4:b',
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                            {
 | 
						|
                              fmtn('CurlyBracesIdentifier', '--i', ':0:6:{'),
 | 
						|
                              children = {
 | 
						|
                                'PlainIdentifier(scope=0,ident=c):0:7:c',
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                    'PlainIdentifier(scope=0,ident=d):0:10:d',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'PlainIdentifier(scope=0,ident=e):0:13:e',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'PlainIdentifier(scope=0,ident=f):0:16:f',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('IdentifierName', 'd'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('IdentifierName', 'e'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('IdentifierName', 'f'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('supports list literals', function()
 | 
						|
    check_parsing('[]', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        'ListLiteral:0:0:[',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('List', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('[a]', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ListLiteral:0:0:[',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('List', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('[a, b]', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ListLiteral:0:0:[',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:3: b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('List', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('[a, b, c]', {
 | 
						|
      --           012345678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ListLiteral:0:0:[',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                {
 | 
						|
                  'Comma:0:5:,',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=b):0:3: b',
 | 
						|
                    'PlainIdentifier(scope=0,ident=c):0:6: c',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
      hl('List', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('[a, b, c, ]', {
 | 
						|
      --           01234567890
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ListLiteral:0:0:[',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                {
 | 
						|
                  'Comma:0:5:,',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=b):0:3: b',
 | 
						|
                    {
 | 
						|
                      'Comma:0:8:,',
 | 
						|
                      children = {
 | 
						|
                        'PlainIdentifier(scope=0,ident=c):0:6: c',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('List', ']', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('[a : b, c : d]', {
 | 
						|
      --           01234567890123
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ListLiteral:0:0:[',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:6:,',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Colon:0:2: :',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                    'PlainIdentifier(scope=0,ident=b):0:4: b',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                {
 | 
						|
                  'Colon:0:9: :',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=c):0:7: c',
 | 
						|
                    'PlainIdentifier(scope=0,ident=d):0:11: d',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ': b, c : d]',
 | 
						|
        msg = 'E15: Colon outside of dictionary or ternary operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('InvalidColon', ':', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
      hl('InvalidColon', ':', 1),
 | 
						|
      hl('IdentifierName', 'd', 1),
 | 
						|
      hl('List', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing(']', {
 | 
						|
      --           0
 | 
						|
      ast = {
 | 
						|
        'ListLiteral:0:0:',
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ']',
 | 
						|
        msg = 'E15: Unexpected closing figure brace: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidList', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a]', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ListLiteral:0:1:',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ']',
 | 
						|
        msg = 'E15: Unexpected closing figure brace: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('InvalidList', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('[] []', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'OpMissing:0:2:',
 | 
						|
          children = {
 | 
						|
            'ListLiteral:0:0:[',
 | 
						|
            'ListLiteral:0:2: [',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '[]',
 | 
						|
        msg = 'E15: Missing operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('List', ']'),
 | 
						|
      hl('InvalidSpacing', ' '),
 | 
						|
      hl('List', '['),
 | 
						|
      hl('List', ']'),
 | 
						|
    }, {
 | 
						|
      [1] = {
 | 
						|
        ast = {
 | 
						|
          len = 3,
 | 
						|
          err = REMOVE_THIS,
 | 
						|
          ast = {
 | 
						|
            'ListLiteral:0:0:[',
 | 
						|
          },
 | 
						|
        },
 | 
						|
        hl_fs = {
 | 
						|
          [3] = REMOVE_THIS,
 | 
						|
          [4] = REMOVE_THIS,
 | 
						|
          [5] = REMOVE_THIS,
 | 
						|
        },
 | 
						|
      },
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('[][]', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Subscript:0:2:[',
 | 
						|
          children = {
 | 
						|
            'ListLiteral:0:0:[',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ']',
 | 
						|
        msg = 'E15: Expected value, got closing bracket: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('List', ']'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('InvalidSubscriptBracket', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('[', {
 | 
						|
      --           0
 | 
						|
      ast = {
 | 
						|
        'ListLiteral:0:0:[',
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('[1', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ListLiteral:0:0:[',
 | 
						|
          children = {
 | 
						|
            'Integer(val=1):0:1:1',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '[1',
 | 
						|
        msg = "E697: Missing end of List ']': %.*s",
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('Number', '1'),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with strings', function()
 | 
						|
    check_parsing("'abc'", {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        fmtn('SingleQuotedString', 'val="abc"', ":0:0:'abc'"),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('SingleQuote', "'"),
 | 
						|
      hl('SingleQuotedBody', 'abc'),
 | 
						|
      hl('SingleQuote', "'"),
 | 
						|
    })
 | 
						|
    check_parsing('"abc"', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="abc"', ':0:0:"abc"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedBody', 'abc'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
    check_parsing("''", {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        fmtn('SingleQuotedString', 'val=NULL', ":0:0:''"),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('SingleQuote', "'"),
 | 
						|
      hl('SingleQuote', "'"),
 | 
						|
    })
 | 
						|
    check_parsing('""', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val=NULL', ':0:0:""'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
    check_parsing('"', {
 | 
						|
      --           0
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val=NULL', ':0:0:"'),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '"',
 | 
						|
        msg = 'E114: Missing double quote: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidDoubleQuote', '"'),
 | 
						|
    })
 | 
						|
    check_parsing("'", {
 | 
						|
      --           0
 | 
						|
      ast = {
 | 
						|
        fmtn('SingleQuotedString', 'val=NULL', ":0:0:'"),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = "'",
 | 
						|
        msg = 'E115: Missing single quote: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidSingleQuote', "'"),
 | 
						|
    })
 | 
						|
    check_parsing('"a', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="a"', ':0:0:"a'),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '"a',
 | 
						|
        msg = 'E114: Missing double quote: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidDoubleQuote', '"'),
 | 
						|
      hl('InvalidDoubleQuotedBody', 'a'),
 | 
						|
    })
 | 
						|
    check_parsing("'a", {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        fmtn('SingleQuotedString', 'val="a"', ":0:0:'a"),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = "'a",
 | 
						|
        msg = 'E115: Missing single quote: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidSingleQuote', "'"),
 | 
						|
      hl('InvalidSingleQuotedBody', 'a'),
 | 
						|
    })
 | 
						|
    check_parsing("'abc''def'", {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        fmtn('SingleQuotedString', 'val="abc\'def"', ":0:0:'abc''def'"),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('SingleQuote', "'"),
 | 
						|
      hl('SingleQuotedBody', 'abc'),
 | 
						|
      hl('SingleQuotedQuote', "''"),
 | 
						|
      hl('SingleQuotedBody', 'def'),
 | 
						|
      hl('SingleQuote', "'"),
 | 
						|
    })
 | 
						|
    check_parsing("'abc''", {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('SingleQuotedString', 'val="abc\'"', ":0:0:'abc''"),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = "'abc''",
 | 
						|
        msg = 'E115: Missing single quote: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidSingleQuote', "'"),
 | 
						|
      hl('InvalidSingleQuotedBody', 'abc'),
 | 
						|
      hl('InvalidSingleQuotedQuote', "''"),
 | 
						|
    })
 | 
						|
    check_parsing("''''''''", {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        fmtn('SingleQuotedString', "val=\"'''\"", ":0:0:''''''''"),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('SingleQuote', "'"),
 | 
						|
      hl('SingleQuotedQuote', "''"),
 | 
						|
      hl('SingleQuotedQuote', "''"),
 | 
						|
      hl('SingleQuotedQuote', "''"),
 | 
						|
      hl('SingleQuote', "'"),
 | 
						|
    })
 | 
						|
    check_parsing("'''a''''bc'", {
 | 
						|
      --           01234567890
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        fmtn('SingleQuotedString', "val=\"'a''bc\"", ":0:0:'''a''''bc'"),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('SingleQuote', "'"),
 | 
						|
      hl('SingleQuotedQuote', "''"),
 | 
						|
      hl('SingleQuotedBody', 'a'),
 | 
						|
      hl('SingleQuotedQuote', "''"),
 | 
						|
      hl('SingleQuotedQuote', "''"),
 | 
						|
      hl('SingleQuotedBody', 'bc'),
 | 
						|
      hl('SingleQuote', "'"),
 | 
						|
    })
 | 
						|
    check_parsing('"\\"\\"\\"\\""', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\"\\"\\"\\""', ':0:0:"\\"\\"\\"\\""'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\"'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
    check_parsing('"abc\\"def\\"ghi\\"jkl\\"mno"', {
 | 
						|
      --           0123456789012345678901234
 | 
						|
      --           0         1         2
 | 
						|
      ast = {
 | 
						|
        fmtn(
 | 
						|
          'DoubleQuotedString',
 | 
						|
          'val="abc\\"def\\"ghi\\"jkl\\"mno"',
 | 
						|
          ':0:0:"abc\\"def\\"ghi\\"jkl\\"mno"'
 | 
						|
        ),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedBody', 'abc'),
 | 
						|
      hl('DoubleQuotedEscape', '\\"'),
 | 
						|
      hl('DoubleQuotedBody', 'def'),
 | 
						|
      hl('DoubleQuotedEscape', '\\"'),
 | 
						|
      hl('DoubleQuotedBody', 'ghi'),
 | 
						|
      hl('DoubleQuotedEscape', '\\"'),
 | 
						|
      hl('DoubleQuotedBody', 'jkl'),
 | 
						|
      hl('DoubleQuotedEscape', '\\"'),
 | 
						|
      hl('DoubleQuotedBody', 'mno'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
    check_parsing('"\\b\\e\\f\\r\\t\\\\"', {
 | 
						|
      --           0123456789012345
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        [[DoubleQuotedString(val="\008\027\012\r\t\\"):0:0:"\b\e\f\r\t\\"]],
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\b'),
 | 
						|
      hl('DoubleQuotedEscape', '\\e'),
 | 
						|
      hl('DoubleQuotedEscape', '\\f'),
 | 
						|
      hl('DoubleQuotedEscape', '\\r'),
 | 
						|
      hl('DoubleQuotedEscape', '\\t'),
 | 
						|
      hl('DoubleQuotedEscape', '\\\\'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
    check_parsing('"\\n\n"', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\n\\n"', ':0:0:"\\n\n"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\n'),
 | 
						|
      hl('DoubleQuotedBody', '\n'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
    check_parsing('"\\x00"', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000"', ':0:0:"\\x00"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\x00'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
    check_parsing('"\\xFF"', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\255"', ':0:0:"\\xFF"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\xFF'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
    check_parsing('"\\xF"', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\015"', ':0:0:"\\xF"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\xF'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
    check_parsing('"\\u00AB"', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="«"', ':0:0:"\\u00AB"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\u00AB'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
    check_parsing('"\\U000000AB"', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="«"', ':0:0:"\\U000000AB"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\U000000AB'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
    check_parsing('"\\x"', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="x"', ':0:0:"\\x"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedUnknownEscape', '\\x'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\x', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="x"', ':0:0:"\\x'),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '"\\x',
 | 
						|
        msg = 'E114: Missing double quote: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidDoubleQuote', '"'),
 | 
						|
      hl('InvalidDoubleQuotedUnknownEscape', '\\x'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\xF', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\015"', ':0:0:"\\xF'),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '"\\xF',
 | 
						|
        msg = 'E114: Missing double quote: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidDoubleQuote', '"'),
 | 
						|
      hl('InvalidDoubleQuotedEscape', '\\xF'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\u"', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="u"', ':0:0:"\\u"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedUnknownEscape', '\\u'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\u', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="u"', ':0:0:"\\u'),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '"\\u',
 | 
						|
        msg = 'E114: Missing double quote: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidDoubleQuote', '"'),
 | 
						|
      hl('InvalidDoubleQuotedUnknownEscape', '\\u'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\U', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="U"', ':0:0:"\\U'),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '"\\U',
 | 
						|
        msg = 'E114: Missing double quote: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidDoubleQuote', '"'),
 | 
						|
      hl('InvalidDoubleQuotedUnknownEscape', '\\U'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\U"', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="U"', ':0:0:"\\U"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedUnknownEscape', '\\U'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\xFX"', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\015X"', ':0:0:"\\xFX"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\xF'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\XFX"', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\015X"', ':0:0:"\\XFX"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\XF'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\xX"', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="xX"', ':0:0:"\\xX"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedUnknownEscape', '\\x'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\XX"', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="XX"', ':0:0:"\\XX"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedUnknownEscape', '\\X'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\uX"', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="uX"', ':0:0:"\\uX"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedUnknownEscape', '\\u'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\UX"', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="UX"', ':0:0:"\\UX"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedUnknownEscape', '\\U'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\x0X"', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\x0X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\x0'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\X0X"', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\X0X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\X0'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\u0X"', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\u0X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\u0'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\U0X"', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\U0X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\U0'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\x00X"', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\x00X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\x00'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\X00X"', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\X00X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\X00'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\u00X"', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\u00X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\u00'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\U00X"', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\U00X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\U00'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\u000X"', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\u000X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\u000'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\U000X"', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\U000X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\U000'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\u0000X"', {
 | 
						|
      --           012345678
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\u0000X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\u0000'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\U0000X"', {
 | 
						|
      --           012345678
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\U0000X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\U0000'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\U00000X"', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\U00000X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\U00000'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\U000000X"', {
 | 
						|
      --           01234567890
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\U000000X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\U000000'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\U0000000X"', {
 | 
						|
      --           012345678901
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\U0000000X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\U0000000'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\U00000000X"', {
 | 
						|
      --           0123456789012
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000X"', ':0:0:"\\U00000000X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\U00000000'),
 | 
						|
      hl('DoubleQuotedBody', 'X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\x000X"', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\0000X"', ':0:0:"\\x000X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\x00'),
 | 
						|
      hl('DoubleQuotedBody', '0X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\X000X"', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\0000X"', ':0:0:"\\X000X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\X00'),
 | 
						|
      hl('DoubleQuotedBody', '0X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\u00000X"', {
 | 
						|
      --           0123456789
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\0000X"', ':0:0:"\\u00000X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\u0000'),
 | 
						|
      hl('DoubleQuotedBody', '0X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\U000000000X"', {
 | 
						|
      --           01234567890123
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\0000X"', ':0:0:"\\U000000000X"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\U00000000'),
 | 
						|
      hl('DoubleQuotedBody', '0X'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\0"', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000"', ':0:0:"\\0"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\0'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\00"', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000"', ':0:0:"\\00"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\00'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\000"', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\000"', ':0:0:"\\000"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\000'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\0000"', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\0000"', ':0:0:"\\0000"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\000'),
 | 
						|
      hl('DoubleQuotedBody', '0'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\8"', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="8"', ':0:0:"\\8"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedUnknownEscape', '\\8'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\08"', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\0008"', ':0:0:"\\08"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\0'),
 | 
						|
      hl('DoubleQuotedBody', '8'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\008"', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\0008"', ':0:0:"\\008"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\00'),
 | 
						|
      hl('DoubleQuotedBody', '8'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\0008"', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\0008"', ':0:0:"\\0008"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\000'),
 | 
						|
      hl('DoubleQuotedBody', '8'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\777"', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\255"', ':0:0:"\\777"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\777'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\050"', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\40"', ':0:0:"\\050"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\050'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\<C-u>"', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\021"', ':0:0:"\\<C-u>"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedEscape', '\\<C-u>'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\<', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="<"', ':0:0:"\\<'),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '"\\<',
 | 
						|
        msg = 'E114: Missing double quote: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidDoubleQuote', '"'),
 | 
						|
      hl('InvalidDoubleQuotedUnknownEscape', '\\<'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\<"', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="<"', ':0:0:"\\<"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedUnknownEscape', '\\<'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('"\\<C-u"', {
 | 
						|
      --           0123456
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="<C-u"', ':0:0:"\\<C-u"'),
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedUnknownEscape', '\\<'),
 | 
						|
      hl('DoubleQuotedBody', 'C-u'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with multiplication-like operators', function()
 | 
						|
    check_parsing('2+2*2', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:1:+',
 | 
						|
          children = {
 | 
						|
            'Integer(val=2):0:0:2',
 | 
						|
            {
 | 
						|
              'Multiplication:0:3:*',
 | 
						|
              children = {
 | 
						|
                'Integer(val=2):0:2:2',
 | 
						|
                'Integer(val=2):0:4:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('Multiplication', '*'),
 | 
						|
      hl('Number', '2'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('2+2*', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:1:+',
 | 
						|
          children = {
 | 
						|
            'Integer(val=2):0:0:2',
 | 
						|
            {
 | 
						|
              'Multiplication:0:3:*',
 | 
						|
              children = {
 | 
						|
                'Integer(val=2):0:2:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('Multiplication', '*'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('2+*2', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:1:+',
 | 
						|
          children = {
 | 
						|
            'Integer(val=2):0:0:2',
 | 
						|
            {
 | 
						|
              'Multiplication:0:2:*',
 | 
						|
              children = {
 | 
						|
                'Missing:0:2:',
 | 
						|
                'Integer(val=2):0:3:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '*2',
 | 
						|
        msg = 'E15: Unexpected multiplication-like operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('InvalidMultiplication', '*'),
 | 
						|
      hl('Number', '2'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('2+2/2', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:1:+',
 | 
						|
          children = {
 | 
						|
            'Integer(val=2):0:0:2',
 | 
						|
            {
 | 
						|
              'Division:0:3:/',
 | 
						|
              children = {
 | 
						|
                'Integer(val=2):0:2:2',
 | 
						|
                'Integer(val=2):0:4:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('Division', '/'),
 | 
						|
      hl('Number', '2'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('2+2/', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:1:+',
 | 
						|
          children = {
 | 
						|
            'Integer(val=2):0:0:2',
 | 
						|
            {
 | 
						|
              'Division:0:3:/',
 | 
						|
              children = {
 | 
						|
                'Integer(val=2):0:2:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('Division', '/'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('2+/2', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:1:+',
 | 
						|
          children = {
 | 
						|
            'Integer(val=2):0:0:2',
 | 
						|
            {
 | 
						|
              'Division:0:2:/',
 | 
						|
              children = {
 | 
						|
                'Missing:0:2:',
 | 
						|
                'Integer(val=2):0:3:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '/2',
 | 
						|
        msg = 'E15: Unexpected multiplication-like operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('InvalidDivision', '/'),
 | 
						|
      hl('Number', '2'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('2+2%2', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:1:+',
 | 
						|
          children = {
 | 
						|
            'Integer(val=2):0:0:2',
 | 
						|
            {
 | 
						|
              'Mod:0:3:%',
 | 
						|
              children = {
 | 
						|
                'Integer(val=2):0:2:2',
 | 
						|
                'Integer(val=2):0:4:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('Mod', '%'),
 | 
						|
      hl('Number', '2'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('2+2%', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:1:+',
 | 
						|
          children = {
 | 
						|
            'Integer(val=2):0:0:2',
 | 
						|
            {
 | 
						|
              'Mod:0:3:%',
 | 
						|
              children = {
 | 
						|
                'Integer(val=2):0:2:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('Mod', '%'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('2+%2', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryPlus:0:1:+',
 | 
						|
          children = {
 | 
						|
            'Integer(val=2):0:0:2',
 | 
						|
            {
 | 
						|
              'Mod:0:2:%',
 | 
						|
              children = {
 | 
						|
                'Missing:0:2:',
 | 
						|
                'Integer(val=2):0:3:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '%2',
 | 
						|
        msg = 'E15: Unexpected multiplication-like operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('InvalidMod', '%'),
 | 
						|
      hl('Number', '2'),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with -', function()
 | 
						|
    check_parsing('@a', {
 | 
						|
      ast = {
 | 
						|
        'Register(name=a):0:0:@a',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
    })
 | 
						|
    check_parsing('-@a', {
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'UnaryMinus:0:0:-',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:1:@a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('UnaryMinus', '-'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
    })
 | 
						|
    check_parsing('@a-@b', {
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryMinus:0:2:-',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
            'Register(name=b):0:3:@b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('BinaryMinus', '-'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
    })
 | 
						|
    check_parsing('@a-@b-@c', {
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryMinus:0:5:-',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'BinaryMinus:0:2:-',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:0:@a',
 | 
						|
                'Register(name=b):0:3:@b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'Register(name=c):0:6:@c',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('BinaryMinus', '-'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
      hl('BinaryMinus', '-'),
 | 
						|
      hl('Register', '@c'),
 | 
						|
    })
 | 
						|
    check_parsing('-@a-@b', {
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryMinus:0:3:-',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'UnaryMinus:0:0:-',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:1:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'Register(name=b):0:4:@b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('UnaryMinus', '-'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('BinaryMinus', '-'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
    })
 | 
						|
    check_parsing('-@a--@b', {
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryMinus:0:3:-',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'UnaryMinus:0:0:-',
 | 
						|
              children = {
 | 
						|
                'Register(name=a):0:1:@a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'UnaryMinus:0:4:-',
 | 
						|
              children = {
 | 
						|
                'Register(name=b):0:5:@b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('UnaryMinus', '-'),
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('BinaryMinus', '-'),
 | 
						|
      hl('UnaryMinus', '-'),
 | 
						|
      hl('Register', '@b'),
 | 
						|
    })
 | 
						|
    check_parsing('-', {
 | 
						|
      ast = {
 | 
						|
        'UnaryMinus:0:0:-',
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('UnaryMinus', '-'),
 | 
						|
    })
 | 
						|
    check_parsing(' -', {
 | 
						|
      ast = {
 | 
						|
        'UnaryMinus:0:0: -',
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('UnaryMinus', '-', 1),
 | 
						|
    })
 | 
						|
    check_parsing('@a-  ', {
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryMinus:0:2:-',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('BinaryMinus', '-'),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with logical operators', function()
 | 
						|
    check_parsing('a && b || c && d', {
 | 
						|
      --           0123456789012345
 | 
						|
      --           0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Or:0:6: ||',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'And:0:1: &&',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:4: b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'And:0:11: &&',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=c):0:9: c',
 | 
						|
                'PlainIdentifier(scope=0,ident=d):0:14: d',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('And', '&&', 1),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('Or', '||', 1),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
      hl('And', '&&', 1),
 | 
						|
      hl('IdentifierName', 'd', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('&& a', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'And:0:0:&&',
 | 
						|
          children = {
 | 
						|
            'Missing:0:0:',
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:2: a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '&& a',
 | 
						|
        msg = 'E15: Unexpected and operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidAnd', '&&'),
 | 
						|
      hl('IdentifierName', 'a', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('|| a', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Or:0:0:||',
 | 
						|
          children = {
 | 
						|
            'Missing:0:0:',
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:2: a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '|| a',
 | 
						|
        msg = 'E15: Unexpected or operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidOr', '||'),
 | 
						|
      hl('IdentifierName', 'a', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a||', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Or:0:1:||',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Or', '||'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('a&&', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'And:0:1:&&',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('And', '&&'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(&&)', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:0:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'And:0:1:&&',
 | 
						|
              children = {
 | 
						|
                'Missing:0:1:',
 | 
						|
                'Missing:0:3:',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '&&)',
 | 
						|
        msg = 'E15: Unexpected and operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('InvalidAnd', '&&'),
 | 
						|
      hl('InvalidNestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(||)', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:0:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Or:0:1:||',
 | 
						|
              children = {
 | 
						|
                'Missing:0:1:',
 | 
						|
                'Missing:0:3:',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '||)',
 | 
						|
        msg = 'E15: Unexpected or operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('InvalidOr', '||'),
 | 
						|
      hl('InvalidNestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(a||)', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:0:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Or:0:2:||',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                'Missing:0:4:',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ')',
 | 
						|
        msg = 'E15: Expected value, got parenthesis: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Or', '||'),
 | 
						|
      hl('InvalidNestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(a&&)', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:0:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'And:0:2:&&',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                'Missing:0:4:',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ')',
 | 
						|
        msg = 'E15: Expected value, got parenthesis: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('And', '&&'),
 | 
						|
      hl('InvalidNestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(&&a)', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:0:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'And:0:1:&&',
 | 
						|
              children = {
 | 
						|
                'Missing:0:1:',
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:3:a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '&&a)',
 | 
						|
        msg = 'E15: Unexpected and operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('InvalidAnd', '&&'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(||a)', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:0:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Or:0:1:||',
 | 
						|
              children = {
 | 
						|
                'Missing:0:1:',
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:3:a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '||a)',
 | 
						|
        msg = 'E15: Unexpected or operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('InvalidOr', '||'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with &opt', function()
 | 
						|
    check_parsing('&', {
 | 
						|
      --           0
 | 
						|
      ast = {
 | 
						|
        'Option(scope=0,ident=):0:0:&',
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '&',
 | 
						|
        msg = 'E112: Option name missing: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidOptionSigil', '&'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('&opt', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        'Option(scope=0,ident=opt):0:0:&opt',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('OptionSigil', '&'),
 | 
						|
      hl('OptionName', 'opt'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('&l:opt', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        'Option(scope=l,ident=opt):0:0:&l:opt',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('OptionSigil', '&'),
 | 
						|
      hl('OptionScope', 'l'),
 | 
						|
      hl('OptionScopeDelimiter', ':'),
 | 
						|
      hl('OptionName', 'opt'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('&g:opt', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        'Option(scope=g,ident=opt):0:0:&g:opt',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('OptionSigil', '&'),
 | 
						|
      hl('OptionScope', 'g'),
 | 
						|
      hl('OptionScopeDelimiter', ':'),
 | 
						|
      hl('OptionName', 'opt'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('&s:opt', {
 | 
						|
      --           012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Colon:0:2::',
 | 
						|
          children = {
 | 
						|
            'Option(scope=0,ident=s):0:0:&s',
 | 
						|
            'PlainIdentifier(scope=0,ident=opt):0:3:opt',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ':opt',
 | 
						|
        msg = 'E15: Colon outside of dictionary or ternary operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('OptionSigil', '&'),
 | 
						|
      hl('OptionName', 's'),
 | 
						|
      hl('InvalidColon', ':'),
 | 
						|
      hl('IdentifierName', 'opt'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('& ', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        'Option(scope=0,ident=):0:0:&',
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '& ',
 | 
						|
        msg = 'E112: Option name missing: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidOptionSigil', '&'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('&-', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'BinaryMinus:0:1:-',
 | 
						|
          children = {
 | 
						|
            'Option(scope=0,ident=):0:0:&',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '&-',
 | 
						|
        msg = 'E112: Option name missing: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidOptionSigil', '&'),
 | 
						|
      hl('BinaryMinus', '-'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('&A', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        'Option(scope=0,ident=A):0:0:&A',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('OptionSigil', '&'),
 | 
						|
      hl('OptionName', 'A'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('&xxx_yyy', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'OpMissing:0:4:',
 | 
						|
          children = {
 | 
						|
            'Option(scope=0,ident=xxx):0:0:&xxx',
 | 
						|
            'PlainIdentifier(scope=0,ident=_yyy):0:4:_yyy',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '_yyy',
 | 
						|
        msg = 'E15: Missing operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('OptionSigil', '&'),
 | 
						|
      hl('OptionName', 'xxx'),
 | 
						|
      hl('InvalidIdentifierName', '_yyy'),
 | 
						|
    }, {
 | 
						|
      [1] = {
 | 
						|
        ast = {
 | 
						|
          len = 4,
 | 
						|
          err = REMOVE_THIS,
 | 
						|
          ast = {
 | 
						|
            'Option(scope=0,ident=xxx):0:0:&xxx',
 | 
						|
          },
 | 
						|
        },
 | 
						|
        hl_fs = {
 | 
						|
          [3] = REMOVE_THIS,
 | 
						|
        },
 | 
						|
      },
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(1+&)', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:0:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'BinaryPlus:0:2:+',
 | 
						|
              children = {
 | 
						|
                'Integer(val=1):0:1:1',
 | 
						|
                'Option(scope=0,ident=):0:3:&',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '&)',
 | 
						|
        msg = 'E112: Option name missing: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Number', '1'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('InvalidOptionSigil', '&'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(&+1)', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:0:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'BinaryPlus:0:2:+',
 | 
						|
              children = {
 | 
						|
                'Option(scope=0,ident=):0:1:&',
 | 
						|
                'Integer(val=1):0:3:1',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '&+1)',
 | 
						|
        msg = 'E112: Option name missing: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('InvalidOptionSigil', '&'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('Number', '1'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with $ENV', function()
 | 
						|
    check_parsing('$', {
 | 
						|
      --           0
 | 
						|
      ast = {
 | 
						|
        'Environment(ident=):0:0:$',
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '$',
 | 
						|
        msg = 'E15: Environment variable name missing',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidEnvironmentSigil', '$'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('$g:A', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Colon:0:2::',
 | 
						|
          children = {
 | 
						|
            'Environment(ident=g):0:0:$g',
 | 
						|
            'PlainIdentifier(scope=0,ident=A):0:3:A',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ':A',
 | 
						|
        msg = 'E15: Colon outside of dictionary or ternary operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('EnvironmentSigil', '$'),
 | 
						|
      hl('EnvironmentName', 'g'),
 | 
						|
      hl('InvalidColon', ':'),
 | 
						|
      hl('IdentifierName', 'A'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('$A', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        'Environment(ident=A):0:0:$A',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('EnvironmentSigil', '$'),
 | 
						|
      hl('EnvironmentName', 'A'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('$ABC', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        'Environment(ident=ABC):0:0:$ABC',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('EnvironmentSigil', '$'),
 | 
						|
      hl('EnvironmentName', 'ABC'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(1+$)', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:0:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'BinaryPlus:0:2:+',
 | 
						|
              children = {
 | 
						|
                'Integer(val=1):0:1:1',
 | 
						|
                'Environment(ident=):0:3:$',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '$)',
 | 
						|
        msg = 'E15: Environment variable name missing',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Number', '1'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('InvalidEnvironmentSigil', '$'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('($+1)', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:0:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'BinaryPlus:0:2:+',
 | 
						|
              children = {
 | 
						|
                'Environment(ident=):0:1:$',
 | 
						|
                'Integer(val=1):0:3:1',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '$+1)',
 | 
						|
        msg = 'E15: Environment variable name missing',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('InvalidEnvironmentSigil', '$'),
 | 
						|
      hl('BinaryPlus', '+'),
 | 
						|
      hl('Number', '1'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('$_ABC', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        'Environment(ident=_ABC):0:0:$_ABC',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('EnvironmentSigil', '$'),
 | 
						|
      hl('EnvironmentName', '_ABC'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('$_', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        'Environment(ident=_):0:0:$_',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('EnvironmentSigil', '$'),
 | 
						|
      hl('EnvironmentName', '_'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('$ABC_DEF', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        'Environment(ident=ABC_DEF):0:0:$ABC_DEF',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('EnvironmentSigil', '$'),
 | 
						|
      hl('EnvironmentName', 'ABC_DEF'),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with unary !', function()
 | 
						|
    check_parsing('!', {
 | 
						|
      --           0
 | 
						|
      ast = {
 | 
						|
        'Not:0:0:!',
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Not', '!'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('!!', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Not:0:0:!',
 | 
						|
          children = {
 | 
						|
            'Not:0:1:!',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Not', '!'),
 | 
						|
      hl('Not', '!'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('!!1', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Not:0:0:!',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Not:0:1:!',
 | 
						|
              children = {
 | 
						|
                'Integer(val=1):0:2:1',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Not', '!'),
 | 
						|
      hl('Not', '!'),
 | 
						|
      hl('Number', '1'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('!1', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Not:0:0:!',
 | 
						|
          children = {
 | 
						|
            'Integer(val=1):0:1:1',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Not', '!'),
 | 
						|
      hl('Number', '1'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(!1)', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:0:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Not:0:1:!',
 | 
						|
              children = {
 | 
						|
                'Integer(val=1):0:2:1',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Not', '!'),
 | 
						|
      hl('Number', '1'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(!)', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:0:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Not:0:1:!',
 | 
						|
              children = {
 | 
						|
                'Missing:0:2:',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ')',
 | 
						|
        msg = 'E15: Expected value, got parenthesis: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Not', '!'),
 | 
						|
      hl('InvalidNestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('(1!2)', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Nested:0:0:(',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'OpMissing:0:2:',
 | 
						|
              children = {
 | 
						|
                'Integer(val=1):0:1:1',
 | 
						|
                {
 | 
						|
                  'Not:0:2:!',
 | 
						|
                  children = {
 | 
						|
                    'Integer(val=2):0:3:2',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '!2)',
 | 
						|
        msg = 'E15: Missing operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NestingParenthesis', '('),
 | 
						|
      hl('Number', '1'),
 | 
						|
      hl('InvalidNot', '!'),
 | 
						|
      hl('Number', '2'),
 | 
						|
      hl('NestingParenthesis', ')'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('1!2', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'OpMissing:0:1:',
 | 
						|
          children = {
 | 
						|
            'Integer(val=1):0:0:1',
 | 
						|
            {
 | 
						|
              'Not:0:1:!',
 | 
						|
              children = {
 | 
						|
                'Integer(val=2):0:2:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '!2',
 | 
						|
        msg = 'E15: Missing operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Number', '1'),
 | 
						|
      hl('InvalidNot', '!'),
 | 
						|
      hl('Number', '2'),
 | 
						|
    }, {
 | 
						|
      [1] = {
 | 
						|
        ast = {
 | 
						|
          len = 1,
 | 
						|
          err = REMOVE_THIS,
 | 
						|
          ast = {
 | 
						|
            'Integer(val=1):0:0:1',
 | 
						|
          },
 | 
						|
        },
 | 
						|
        hl_fs = {
 | 
						|
          [2] = REMOVE_THIS,
 | 
						|
          [3] = REMOVE_THIS,
 | 
						|
        },
 | 
						|
      },
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('highlights numbers with prefix', function()
 | 
						|
    check_parsing('0xABCDEF', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        'Integer(val=11259375):0:0:0xABCDEF',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NumberPrefix', '0x'),
 | 
						|
      hl('Number', 'ABCDEF'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('0Xabcdef', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        'Integer(val=11259375):0:0:0Xabcdef',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NumberPrefix', '0X'),
 | 
						|
      hl('Number', 'abcdef'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('0XABCDEF', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        'Integer(val=11259375):0:0:0XABCDEF',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NumberPrefix', '0X'),
 | 
						|
      hl('Number', 'ABCDEF'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('0xabcdef', {
 | 
						|
      --           01234567
 | 
						|
      ast = {
 | 
						|
        'Integer(val=11259375):0:0:0xabcdef',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NumberPrefix', '0x'),
 | 
						|
      hl('Number', 'abcdef'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('0b001', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        'Integer(val=1):0:0:0b001',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NumberPrefix', '0b'),
 | 
						|
      hl('Number', '001'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('0B001', {
 | 
						|
      --           01234
 | 
						|
      ast = {
 | 
						|
        'Integer(val=1):0:0:0B001',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NumberPrefix', '0B'),
 | 
						|
      hl('Number', '001'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('0B00', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        'Integer(val=0):0:0:0B00',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NumberPrefix', '0B'),
 | 
						|
      hl('Number', '00'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('00', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        'Integer(val=0):0:0:00',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NumberPrefix', '0'),
 | 
						|
      hl('Number', '0'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('001', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        'Integer(val=1):0:0:001',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NumberPrefix', '0'),
 | 
						|
      hl('Number', '01'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('01', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        'Integer(val=1):0:0:01',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NumberPrefix', '0'),
 | 
						|
      hl('Number', '1'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_parsing('1', {
 | 
						|
      --           0
 | 
						|
      ast = {
 | 
						|
        'Integer(val=1):0:0:1',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Number', '1'),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works (KLEE tests)', function()
 | 
						|
    check_parsing('\0002&A:\000', {
 | 
						|
      len = 0,
 | 
						|
      ast = nil,
 | 
						|
      err = {
 | 
						|
        arg = '\0002&A:\000',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {}, {
 | 
						|
      [2] = {
 | 
						|
        ast = {
 | 
						|
          len = REMOVE_THIS,
 | 
						|
          ast = {
 | 
						|
            {
 | 
						|
              'Colon:0:4::',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'OpMissing:0:2:',
 | 
						|
                  children = {
 | 
						|
                    'Integer(val=2):0:1:2',
 | 
						|
                    'Option(scope=0,ident=A):0:2:&A',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
          err = {
 | 
						|
            msg = 'E15: Unexpected EOC character: %.*s',
 | 
						|
          },
 | 
						|
        },
 | 
						|
        hl_fs = {
 | 
						|
          hl('InvalidSpacing', '\0'),
 | 
						|
          hl('Number', '2'),
 | 
						|
          hl('InvalidOptionSigil', '&'),
 | 
						|
          hl('InvalidOptionName', 'A'),
 | 
						|
          hl('InvalidColon', ':'),
 | 
						|
          hl('InvalidSpacing', '\0'),
 | 
						|
        },
 | 
						|
      },
 | 
						|
      [3] = {
 | 
						|
        ast = {
 | 
						|
          len = 2,
 | 
						|
          ast = {
 | 
						|
            'Integer(val=2):0:1:2',
 | 
						|
          },
 | 
						|
          err = {
 | 
						|
            msg = 'E15: Unexpected EOC character: %.*s',
 | 
						|
          },
 | 
						|
        },
 | 
						|
        hl_fs = {
 | 
						|
          hl('InvalidSpacing', '\0'),
 | 
						|
          hl('Number', '2'),
 | 
						|
        },
 | 
						|
      },
 | 
						|
    })
 | 
						|
    check_parsing({ data = '01', size = 1 }, {
 | 
						|
      len = 1,
 | 
						|
      ast = {
 | 
						|
        'Integer(val=0):0:0:0',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Number', '0'),
 | 
						|
    })
 | 
						|
    check_parsing({ data = '001', size = 2 }, {
 | 
						|
      len = 2,
 | 
						|
      ast = {
 | 
						|
        'Integer(val=0):0:0:00',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('NumberPrefix', '0'),
 | 
						|
      hl('Number', '0'),
 | 
						|
    })
 | 
						|
    check_parsing('"\\U\\', {
 | 
						|
      --           0123
 | 
						|
      ast = {
 | 
						|
        [[DoubleQuotedString(val="U\\"):0:0:"\U\]],
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '"\\U\\',
 | 
						|
        msg = 'E114: Missing double quote: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidDoubleQuote', '"'),
 | 
						|
      hl('InvalidDoubleQuotedUnknownEscape', '\\U'),
 | 
						|
      hl('InvalidDoubleQuotedBody', '\\'),
 | 
						|
    })
 | 
						|
    check_parsing('"\\U', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="U"', ':0:0:"\\U'),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '"\\U',
 | 
						|
        msg = 'E114: Missing double quote: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidDoubleQuote', '"'),
 | 
						|
      hl('InvalidDoubleQuotedUnknownEscape', '\\U'),
 | 
						|
    })
 | 
						|
    check_parsing('|"\\U\\', {
 | 
						|
      --           01234
 | 
						|
      len = 0,
 | 
						|
      err = {
 | 
						|
        arg = '|"\\U\\',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {}, {
 | 
						|
      [2] = {
 | 
						|
        ast = {
 | 
						|
          len = REMOVE_THIS,
 | 
						|
          ast = {
 | 
						|
            {
 | 
						|
              'Or:0:0:|',
 | 
						|
              children = {
 | 
						|
                'Missing:0:0:',
 | 
						|
                fmtn('DoubleQuotedString', 'val="U\\\\"', ':0:1:"\\U\\'),
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
          err = {
 | 
						|
            msg = 'E15: Unexpected EOC character: %.*s',
 | 
						|
          },
 | 
						|
        },
 | 
						|
        hl_fs = {
 | 
						|
          hl('InvalidOr', '|'),
 | 
						|
          hl('InvalidDoubleQuote', '"'),
 | 
						|
          hl('InvalidDoubleQuotedUnknownEscape', '\\U'),
 | 
						|
          hl('InvalidDoubleQuotedBody', '\\'),
 | 
						|
        },
 | 
						|
      },
 | 
						|
    })
 | 
						|
    check_parsing('|"\\e"', {
 | 
						|
      --           01234
 | 
						|
      len = 0,
 | 
						|
      err = {
 | 
						|
        arg = '|"\\e"',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {}, {
 | 
						|
      [2] = {
 | 
						|
        ast = {
 | 
						|
          len = REMOVE_THIS,
 | 
						|
          ast = {
 | 
						|
            {
 | 
						|
              'Or:0:0:|',
 | 
						|
              children = {
 | 
						|
                'Missing:0:0:',
 | 
						|
                fmtn('DoubleQuotedString', 'val="\\027"', ':0:1:"\\e"'),
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
          err = {
 | 
						|
            msg = 'E15: Unexpected EOC character: %.*s',
 | 
						|
          },
 | 
						|
        },
 | 
						|
        hl_fs = {
 | 
						|
          hl('InvalidOr', '|'),
 | 
						|
          hl('DoubleQuote', '"'),
 | 
						|
          hl('DoubleQuotedEscape', '\\e'),
 | 
						|
          hl('DoubleQuote', '"'),
 | 
						|
        },
 | 
						|
      },
 | 
						|
    })
 | 
						|
    check_parsing('|\029', {
 | 
						|
      --           01
 | 
						|
      len = 0,
 | 
						|
      err = {
 | 
						|
        arg = '|\029',
 | 
						|
        msg = 'E15: Expected value, got EOC: %.*s',
 | 
						|
      },
 | 
						|
    }, {}, {
 | 
						|
      [2] = {
 | 
						|
        ast = {
 | 
						|
          len = REMOVE_THIS,
 | 
						|
          ast = {
 | 
						|
            {
 | 
						|
              'Or:0:0:|',
 | 
						|
              children = {
 | 
						|
                'Missing:0:0:',
 | 
						|
                'PlainIdentifier(scope=0,ident=\029):0:1:\029',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
          err = {
 | 
						|
            msg = 'E15: Unexpected EOC character: %.*s',
 | 
						|
          },
 | 
						|
        },
 | 
						|
        hl_fs = {
 | 
						|
          hl('InvalidOr', '|'),
 | 
						|
          hl('InvalidIdentifierName', '\029'),
 | 
						|
        },
 | 
						|
      },
 | 
						|
    })
 | 
						|
    check_parsing('"\\<', {
 | 
						|
      --           012
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="<"', ':0:0:"\\<'),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '"\\<',
 | 
						|
        msg = 'E114: Missing double quote: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidDoubleQuote', '"'),
 | 
						|
      hl('InvalidDoubleQuotedUnknownEscape', '\\<'),
 | 
						|
    })
 | 
						|
    check_parsing('"\\1', {
 | 
						|
      --           01 2
 | 
						|
      ast = {
 | 
						|
        fmtn('DoubleQuotedString', 'val="\\001"', ':0:0:"\\1'),
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '"\\1',
 | 
						|
        msg = 'E114: Missing double quote: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidDoubleQuote', '"'),
 | 
						|
      hl('InvalidDoubleQuotedEscape', '\\1'),
 | 
						|
    })
 | 
						|
    check_parsing('}l', {
 | 
						|
      --           01
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'OpMissing:0:1:',
 | 
						|
          children = {
 | 
						|
            fmtn('UnknownFigure', '---', ':0:0:'),
 | 
						|
            'PlainIdentifier(scope=0,ident=l):0:1:l',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '}l',
 | 
						|
        msg = 'E15: Unexpected closing figure brace: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidFigureBrace', '}'),
 | 
						|
      hl('InvalidIdentifierName', 'l'),
 | 
						|
    }, {
 | 
						|
      [1] = {
 | 
						|
        ast = {
 | 
						|
          len = 1,
 | 
						|
          ast = {
 | 
						|
            fmtn('UnknownFigure', '---', ':0:0:'),
 | 
						|
          },
 | 
						|
        },
 | 
						|
        hl_fs = {
 | 
						|
          [2] = REMOVE_THIS,
 | 
						|
        },
 | 
						|
      },
 | 
						|
    })
 | 
						|
    check_parsing(':?\000\000\000\000\000\000\000', {
 | 
						|
      len = 2,
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Colon:0:0::',
 | 
						|
          children = {
 | 
						|
            'Missing:0:0:',
 | 
						|
            {
 | 
						|
              'Ternary:0:1:?',
 | 
						|
              children = {
 | 
						|
                'Missing:0:1:',
 | 
						|
                'TernaryValue:0:1:?',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ':?\000\000\000\000\000\000\000',
 | 
						|
        msg = 'E15: Colon outside of dictionary or ternary operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('InvalidColon', ':'),
 | 
						|
      hl('InvalidTernary', '?'),
 | 
						|
    }, {
 | 
						|
      [2] = {
 | 
						|
        ast = {
 | 
						|
          len = REMOVE_THIS,
 | 
						|
        },
 | 
						|
        hl_fs = {
 | 
						|
          [3] = hl('InvalidSpacing', '\0'),
 | 
						|
          [4] = hl('InvalidSpacing', '\0'),
 | 
						|
          [5] = hl('InvalidSpacing', '\0'),
 | 
						|
          [6] = hl('InvalidSpacing', '\0'),
 | 
						|
          [7] = hl('InvalidSpacing', '\0'),
 | 
						|
          [8] = hl('InvalidSpacing', '\0'),
 | 
						|
          [9] = hl('InvalidSpacing', '\0'),
 | 
						|
        },
 | 
						|
      },
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with assignments', function()
 | 
						|
    check_asgn_parsing('a=b', {
 | 
						|
      --                012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Assignment(Plain):0:1:=',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:2:b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('PlainAssignment', '='),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('a+=b', {
 | 
						|
      --                0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Assignment(Add):0:1:+=',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('AssignmentWithAddition', '+='),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('a-=b', {
 | 
						|
      --                0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Assignment(Subtract):0:1:-=',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('AssignmentWithSubtraction', '-='),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('a.=b', {
 | 
						|
      --                0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Assignment(Concat):0:1:.=',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('AssignmentWithConcatenation', '.='),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('a', {
 | 
						|
      --                0
 | 
						|
      ast = {
 | 
						|
        'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('a b', {
 | 
						|
      --                012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'OpMissing:0:1:',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:1: b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = 'b',
 | 
						|
        msg = 'E15: Expected assignment operator or subscript: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('InvalidSpacing', ' '),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
    }, {
 | 
						|
      [5] = {
 | 
						|
        ast = {
 | 
						|
          len = 2,
 | 
						|
          ast = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
          },
 | 
						|
          err = REMOVE_THIS,
 | 
						|
        },
 | 
						|
        hl_fs = {
 | 
						|
          [2] = REMOVE_THIS,
 | 
						|
          [3] = REMOVE_THIS,
 | 
						|
        },
 | 
						|
      },
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('[a, b, c]', {
 | 
						|
      --                012345678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ListLiteral:0:0:[',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                {
 | 
						|
                  'Comma:0:5:,',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=b):0:3: b',
 | 
						|
                    'PlainIdentifier(scope=0,ident=c):0:6: c',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'c', 1),
 | 
						|
      hl('List', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('[a, b]', {
 | 
						|
      --                012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ListLiteral:0:0:[',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Comma:0:2:,',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:3: b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('IdentifierName', 'b', 1),
 | 
						|
      hl('List', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('[a]', {
 | 
						|
      --                012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ListLiteral:0:0:[',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('List', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('[]', {
 | 
						|
      --                01
 | 
						|
      ast = {
 | 
						|
        'ListLiteral:0:0:[',
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = ']',
 | 
						|
        msg = 'E475: Unable to assign to empty list: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('InvalidList', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('a[1] += 3', {
 | 
						|
      --                012345678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Assignment(Add):0:4: +=',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Subscript:0:1:[',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
                'Integer(val=1):0:2:1',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'Integer(val=3):0:7: 3',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('Number', '1'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
      hl('AssignmentWithAddition', '+=', 1),
 | 
						|
      hl('Number', '3', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('a[1 + 2] += 3', {
 | 
						|
      --                0123456789012
 | 
						|
      --                0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Assignment(Add):0:8: +=',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Subscript:0:1:[',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
                {
 | 
						|
                  'BinaryPlus:0:3: +',
 | 
						|
                  children = {
 | 
						|
                    'Integer(val=1):0:2:1',
 | 
						|
                    'Integer(val=2):0:5: 2',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'Integer(val=3):0:11: 3',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('Number', '1'),
 | 
						|
      hl('BinaryPlus', '+', 1),
 | 
						|
      hl('Number', '2', 1),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
      hl('AssignmentWithAddition', '+=', 1),
 | 
						|
      hl('Number', '3', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('a[{-> {b{3}: 4}[5]}()] += 6', {
 | 
						|
      --                012345678901234567890123456
 | 
						|
      --                0         1         2
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Assignment(Add):0:22: +=',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'Subscript:0:1:[',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
                {
 | 
						|
                  'Call:0:19:(',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      fmtn('Lambda', '\\di', ':0:2:{'),
 | 
						|
                      children = {
 | 
						|
                        {
 | 
						|
                          'Arrow:0:3:->',
 | 
						|
                          children = {
 | 
						|
                            {
 | 
						|
                              'Subscript:0:15:[',
 | 
						|
                              children = {
 | 
						|
                                {
 | 
						|
                                  fmtn('DictLiteral', '-di', ':0:5: {'),
 | 
						|
                                  children = {
 | 
						|
                                    {
 | 
						|
                                      'Colon:0:11::',
 | 
						|
                                      children = {
 | 
						|
                                        {
 | 
						|
                                          'ComplexIdentifier:0:8:',
 | 
						|
                                          children = {
 | 
						|
                                            'PlainIdentifier(scope=0,ident=b):0:7:b',
 | 
						|
                                            {
 | 
						|
                                              fmtn('CurlyBracesIdentifier', '--i', ':0:8:{'),
 | 
						|
                                              children = {
 | 
						|
                                                'Integer(val=3):0:9:3',
 | 
						|
                                              },
 | 
						|
                                            },
 | 
						|
                                          },
 | 
						|
                                        },
 | 
						|
                                        'Integer(val=4):0:12: 4',
 | 
						|
                                      },
 | 
						|
                                    },
 | 
						|
                                  },
 | 
						|
                                },
 | 
						|
                                'Integer(val=5):0:16:5',
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'Integer(val=6):0:25: 6',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('Dict', '{', 1),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('Number', '3'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('Colon', ':'),
 | 
						|
      hl('Number', '4', 1),
 | 
						|
      hl('Dict', '}'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('Number', '5'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
      hl('AssignmentWithAddition', '+=', 1),
 | 
						|
      hl('Number', '6', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('a{1}.2[{-> {b{3}: 4}[5]}()]', {
 | 
						|
      --                012345678901234567890123456
 | 
						|
      --                0         1         2
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Subscript:0:6:[',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'ConcatOrSubscript:0:4:.',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'ComplexIdentifier:0:1:',
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
                    {
 | 
						|
                      fmtn('CurlyBracesIdentifier', '--i', ':0:1:{'),
 | 
						|
                      children = {
 | 
						|
                        'Integer(val=1):0:2:1',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'PlainKey(key=2):0:5:2',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'Call:0:24:(',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  fmtn('Lambda', '\\di', ':0:7:{'),
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'Arrow:0:8:->',
 | 
						|
                      children = {
 | 
						|
                        {
 | 
						|
                          'Subscript:0:20:[',
 | 
						|
                          children = {
 | 
						|
                            {
 | 
						|
                              fmtn('DictLiteral', '-di', ':0:10: {'),
 | 
						|
                              children = {
 | 
						|
                                {
 | 
						|
                                  'Colon:0:16::',
 | 
						|
                                  children = {
 | 
						|
                                    {
 | 
						|
                                      'ComplexIdentifier:0:13:',
 | 
						|
                                      children = {
 | 
						|
                                        'PlainIdentifier(scope=0,ident=b):0:12:b',
 | 
						|
                                        {
 | 
						|
                                          fmtn('CurlyBracesIdentifier', '--i', ':0:13:{'),
 | 
						|
                                          children = {
 | 
						|
                                            'Integer(val=3):0:14:3',
 | 
						|
                                          },
 | 
						|
                                        },
 | 
						|
                                      },
 | 
						|
                                    },
 | 
						|
                                    'Integer(val=4):0:17: 4',
 | 
						|
                                  },
 | 
						|
                                },
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                            'Integer(val=5):0:21:5',
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('Number', '1'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
      hl('IdentifierKey', '2'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('Lambda', '{'),
 | 
						|
      hl('Arrow', '->'),
 | 
						|
      hl('Dict', '{', 1),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('Number', '3'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('Colon', ':'),
 | 
						|
      hl('Number', '4', 1),
 | 
						|
      hl('Dict', '}'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('Number', '5'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
      hl('Lambda', '}'),
 | 
						|
      hl('CallingParenthesis', '('),
 | 
						|
      hl('CallingParenthesis', ')'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('a', {
 | 
						|
      --                0
 | 
						|
      ast = {
 | 
						|
        'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('{a}', {
 | 
						|
      --                012
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          fmtn('CurlyBracesIdentifier', '--i', ':0:0:{'),
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('FigureBrace', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('{a}b', {
 | 
						|
      --                0123
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ComplexIdentifier:0:3:',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              fmtn('CurlyBracesIdentifier', '--i', ':0:0:{'),
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('FigureBrace', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('a{b}c', {
 | 
						|
      --                01234
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ComplexIdentifier:0:1:',
 | 
						|
          children = {
 | 
						|
            'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
            {
 | 
						|
              'ComplexIdentifier:0:4:',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  fmtn('CurlyBracesIdentifier', '--i', ':0:1:{'),
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=b):0:2:b',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'PlainIdentifier(scope=0,ident=c):0:4:c',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('a{b}c[0]', {
 | 
						|
      --                01234567
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Subscript:0:5:[',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'ComplexIdentifier:0:1:',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
                {
 | 
						|
                  'ComplexIdentifier:0:4:',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      fmtn('CurlyBracesIdentifier', '--i', ':0:1:{'),
 | 
						|
                      children = {
 | 
						|
                        'PlainIdentifier(scope=0,ident=b):0:2:b',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                    'PlainIdentifier(scope=0,ident=c):0:4:c',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'Integer(val=0):0:6:0',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('Number', '0'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('a{b}c.0', {
 | 
						|
      --                0123456
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ConcatOrSubscript:0:5:.',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'ComplexIdentifier:0:1:',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
                {
 | 
						|
                  'ComplexIdentifier:0:4:',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      fmtn('CurlyBracesIdentifier', '--i', ':0:1:{'),
 | 
						|
                      children = {
 | 
						|
                        'PlainIdentifier(scope=0,ident=b):0:2:b',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                    'PlainIdentifier(scope=0,ident=c):0:4:c',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'PlainKey(key=0):0:6:0',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
      hl('IdentifierKey', '0'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('[a{b}c[0].0]', {
 | 
						|
      --                012345678901
 | 
						|
      --                0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ListLiteral:0:0:[',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'ConcatOrSubscript:0:9:.',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Subscript:0:6:[',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'ComplexIdentifier:0:2:',
 | 
						|
                      children = {
 | 
						|
                        'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                        {
 | 
						|
                          'ComplexIdentifier:0:5:',
 | 
						|
                          children = {
 | 
						|
                            {
 | 
						|
                              fmtn('CurlyBracesIdentifier', '--i', ':0:2:{'),
 | 
						|
                              children = {
 | 
						|
                                'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                            'PlainIdentifier(scope=0,ident=c):0:5:c',
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                    'Integer(val=0):0:7:0',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                'PlainKey(key=0):0:10:0',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('Number', '0'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
      hl('IdentifierKey', '0'),
 | 
						|
      hl('List', ']'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('{a}{b}', {
 | 
						|
      --                012345
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'ComplexIdentifier:0:3:',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              fmtn('CurlyBracesIdentifier', '--i', ':0:0:{'),
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              fmtn('CurlyBracesIdentifier', '--i', ':0:3:{'),
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=b):0:4:b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('FigureBrace', '{'),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('a.b{c}{d}', {
 | 
						|
      --                012345678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'OpMissing:0:3:',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'ConcatOrSubscript:0:1:.',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:0:a',
 | 
						|
                'PlainKey(key=b):0:2:b',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'ComplexIdentifier:0:6:',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  fmtn('CurlyBracesIdentifier', '--i', ':0:3:{'),
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=c):0:4:c',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
                {
 | 
						|
                  fmtn('CurlyBracesIdentifier', '--i', ':0:6:{'),
 | 
						|
                  children = {
 | 
						|
                    'PlainIdentifier(scope=0,ident=d):0:7:d',
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '{c}{d}',
 | 
						|
        msg = 'E15: Missing operator: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('ConcatOrSubscript', '.'),
 | 
						|
      hl('IdentifierKey', 'b'),
 | 
						|
      hl('InvalidFigureBrace', '{'),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
      hl('Curly', '{'),
 | 
						|
      hl('IdentifierName', 'd'),
 | 
						|
      hl('Curly', '}'),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('[a] = 1', {
 | 
						|
      --                0123456
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Assignment(Plain):0:3: =',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'ListLiteral:0:0:[',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'Integer(val=1):0:5: 1',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('List', ']'),
 | 
						|
      hl('PlainAssignment', '=', 1),
 | 
						|
      hl('Number', '1', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('[a[b], [c, [d, [e]]]] = 1', {
 | 
						|
      --                0123456789012345678901234
 | 
						|
      --                0         1         2
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Assignment(Plain):0:21: =',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'ListLiteral:0:0:[',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Comma:0:5:,',
 | 
						|
                  children = {
 | 
						|
                    {
 | 
						|
                      'Subscript:0:2:[',
 | 
						|
                      children = {
 | 
						|
                        'PlainIdentifier(scope=0,ident=a):0:1:a',
 | 
						|
                        'PlainIdentifier(scope=0,ident=b):0:3:b',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                    {
 | 
						|
                      'ListLiteral:0:6: [',
 | 
						|
                      children = {
 | 
						|
                        {
 | 
						|
                          'Comma:0:9:,',
 | 
						|
                          children = {
 | 
						|
                            'PlainIdentifier(scope=0,ident=c):0:8:c',
 | 
						|
                            {
 | 
						|
                              'ListLiteral:0:10: [',
 | 
						|
                              children = {
 | 
						|
                                {
 | 
						|
                                  'Comma:0:13:,',
 | 
						|
                                  children = {
 | 
						|
                                    'PlainIdentifier(scope=0,ident=d):0:12:d',
 | 
						|
                                    {
 | 
						|
                                      'ListLiteral:0:14: [',
 | 
						|
                                      children = {
 | 
						|
                                        'PlainIdentifier(scope=0,ident=e):0:16:e',
 | 
						|
                                      },
 | 
						|
                                    },
 | 
						|
                                  },
 | 
						|
                                },
 | 
						|
                              },
 | 
						|
                            },
 | 
						|
                          },
 | 
						|
                        },
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            'Integer(val=1):0:23: 1',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '[c, [d, [e]]]] = 1',
 | 
						|
        msg = 'E475: Nested lists not allowed when assigning: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('IdentifierName', 'a'),
 | 
						|
      hl('SubscriptBracket', '['),
 | 
						|
      hl('IdentifierName', 'b'),
 | 
						|
      hl('SubscriptBracket', ']'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('InvalidList', '[', 1),
 | 
						|
      hl('IdentifierName', 'c'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('InvalidList', '[', 1),
 | 
						|
      hl('IdentifierName', 'd'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('InvalidList', '[', 1),
 | 
						|
      hl('IdentifierName', 'e'),
 | 
						|
      hl('List', ']'),
 | 
						|
      hl('List', ']'),
 | 
						|
      hl('List', ']'),
 | 
						|
      hl('List', ']'),
 | 
						|
      hl('PlainAssignment', '=', 1),
 | 
						|
      hl('Number', '1', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('$X += 1', {
 | 
						|
      --                0123456
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Assignment(Add):0:2: +=',
 | 
						|
          children = {
 | 
						|
            'Environment(ident=X):0:0:$X',
 | 
						|
            'Integer(val=1):0:5: 1',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('EnvironmentSigil', '$'),
 | 
						|
      hl('EnvironmentName', 'X'),
 | 
						|
      hl('AssignmentWithAddition', '+=', 1),
 | 
						|
      hl('Number', '1', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('@a .= 1', {
 | 
						|
      --                0123456
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Assignment(Concat):0:2: .=',
 | 
						|
          children = {
 | 
						|
            'Register(name=a):0:0:@a',
 | 
						|
            'Integer(val=1):0:5: 1',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('Register', '@a'),
 | 
						|
      hl('AssignmentWithConcatenation', '.=', 1),
 | 
						|
      hl('Number', '1', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('&option -= 1', {
 | 
						|
      --                012345678901
 | 
						|
      --                0         1
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Assignment(Subtract):0:7: -=',
 | 
						|
          children = {
 | 
						|
            'Option(scope=0,ident=option):0:0:&option',
 | 
						|
            'Integer(val=1):0:10: 1',
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('OptionSigil', '&'),
 | 
						|
      hl('OptionName', 'option'),
 | 
						|
      hl('AssignmentWithSubtraction', '-=', 1),
 | 
						|
      hl('Number', '1', 1),
 | 
						|
    })
 | 
						|
 | 
						|
    check_asgn_parsing('[$X, @a, &l:option] = [1, 2, 3]', {
 | 
						|
      --                0123456789012345678901234567890
 | 
						|
      --                0         1         2         3
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'Assignment(Plain):0:19: =',
 | 
						|
          children = {
 | 
						|
            {
 | 
						|
              'ListLiteral:0:0:[',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Comma:0:3:,',
 | 
						|
                  children = {
 | 
						|
                    'Environment(ident=X):0:1:$X',
 | 
						|
                    {
 | 
						|
                      'Comma:0:7:,',
 | 
						|
                      children = {
 | 
						|
                        'Register(name=a):0:4: @a',
 | 
						|
                        'Option(scope=l,ident=option):0:8: &l:option',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
            {
 | 
						|
              'ListLiteral:0:21: [',
 | 
						|
              children = {
 | 
						|
                {
 | 
						|
                  'Comma:0:24:,',
 | 
						|
                  children = {
 | 
						|
                    'Integer(val=1):0:23:1',
 | 
						|
                    {
 | 
						|
                      'Comma:0:27:,',
 | 
						|
                      children = {
 | 
						|
                        'Integer(val=2):0:25: 2',
 | 
						|
                        'Integer(val=3):0:28: 3',
 | 
						|
                      },
 | 
						|
                    },
 | 
						|
                  },
 | 
						|
                },
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('List', '['),
 | 
						|
      hl('EnvironmentSigil', '$'),
 | 
						|
      hl('EnvironmentName', 'X'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Register', '@a', 1),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('OptionSigil', '&', 1),
 | 
						|
      hl('OptionScope', 'l'),
 | 
						|
      hl('OptionScopeDelimiter', ':'),
 | 
						|
      hl('OptionName', 'option'),
 | 
						|
      hl('List', ']'),
 | 
						|
      hl('PlainAssignment', '=', 1),
 | 
						|
      hl('List', '[', 1),
 | 
						|
      hl('Number', '1'),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Number', '2', 1),
 | 
						|
      hl('Comma', ','),
 | 
						|
      hl('Number', '3', 1),
 | 
						|
      hl('List', ']'),
 | 
						|
    })
 | 
						|
  end)
 | 
						|
  itp('works with non-ASCII characters', function()
 | 
						|
    check_parsing('"«»"«»', {
 | 
						|
      --           013568
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'OpMissing:0:6:',
 | 
						|
          children = {
 | 
						|
            'DoubleQuotedString(val="«»"):0:0:"«»"',
 | 
						|
            {
 | 
						|
              'ComplexIdentifier:0:8:',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=«):0:6:«',
 | 
						|
                'PlainIdentifier(scope=0,ident=»):0:8:»',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '«»',
 | 
						|
        msg = 'E15: Unidentified character: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedBody', '«»'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('InvalidIdentifierName', '«'),
 | 
						|
      hl('InvalidIdentifierName', '»'),
 | 
						|
    }, {
 | 
						|
      [1] = {
 | 
						|
        ast = {
 | 
						|
          ast = {
 | 
						|
            'DoubleQuotedString(val="«»"):0:0:"«»"',
 | 
						|
          },
 | 
						|
          len = 6,
 | 
						|
        },
 | 
						|
        hl_fs = {
 | 
						|
          [5] = REMOVE_THIS,
 | 
						|
          [4] = REMOVE_THIS,
 | 
						|
        },
 | 
						|
      },
 | 
						|
    })
 | 
						|
    check_parsing('"\192"\192"foo"', {
 | 
						|
      --           01   23   45678
 | 
						|
      ast = {
 | 
						|
        {
 | 
						|
          'OpMissing:0:3:',
 | 
						|
          children = {
 | 
						|
            'DoubleQuotedString(val="\192"):0:0:"\192"',
 | 
						|
            {
 | 
						|
              'OpMissing:0:4:',
 | 
						|
              children = {
 | 
						|
                'PlainIdentifier(scope=0,ident=\192):0:3:\192',
 | 
						|
                'DoubleQuotedString(val="foo"):0:4:"foo"',
 | 
						|
              },
 | 
						|
            },
 | 
						|
          },
 | 
						|
        },
 | 
						|
      },
 | 
						|
      err = {
 | 
						|
        arg = '\192"foo"',
 | 
						|
        msg = 'E15: Unidentified character: %.*s',
 | 
						|
      },
 | 
						|
    }, {
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('DoubleQuotedBody', '\192'),
 | 
						|
      hl('DoubleQuote', '"'),
 | 
						|
      hl('InvalidIdentifierName', '\192'),
 | 
						|
      hl('InvalidDoubleQuote', '"'),
 | 
						|
      hl('InvalidDoubleQuotedBody', 'foo'),
 | 
						|
      hl('InvalidDoubleQuote', '"'),
 | 
						|
    }, {
 | 
						|
      [1] = {
 | 
						|
        ast = {
 | 
						|
          ast = {
 | 
						|
            'DoubleQuotedString(val="\192"):0:0:"\192"',
 | 
						|
          },
 | 
						|
          len = 3,
 | 
						|
        },
 | 
						|
        hl_fs = {
 | 
						|
          [4] = REMOVE_THIS,
 | 
						|
          [5] = REMOVE_THIS,
 | 
						|
          [6] = REMOVE_THIS,
 | 
						|
          [7] = REMOVE_THIS,
 | 
						|
        },
 | 
						|
      },
 | 
						|
    })
 | 
						|
  end)
 | 
						|
end
 |