mirror of
https://github.com/neovim/neovim.git
synced 2025-10-26 12:27:24 +00:00
131 lines
3.1 KiB
Lua
131 lines
3.1 KiB
Lua
local helpers = require('test.unit.helpers')(nil)
|
|
|
|
local ffi = helpers.ffi
|
|
local cimport = helpers.cimport
|
|
local kvi_new = helpers.kvi_new
|
|
local kvi_init = helpers.kvi_init
|
|
local conv_enum = helpers.conv_enum
|
|
local make_enum_conv_tab = helpers.make_enum_conv_tab
|
|
|
|
local lib = cimport('./src/nvim/viml/parser/expressions.h')
|
|
|
|
local function new_pstate(strings)
|
|
local strings_idx = 0
|
|
local function get_line(_, ret_pline)
|
|
strings_idx = strings_idx + 1
|
|
local str = strings[strings_idx]
|
|
local data, size
|
|
if type(str) == 'string' then
|
|
data = str
|
|
size = #str
|
|
elseif type(str) == 'nil' then
|
|
data = nil
|
|
size = 0
|
|
elseif type(str) == 'table' then
|
|
data = str.data
|
|
size = str.size
|
|
elseif type(str) == 'function' then
|
|
data, size = str()
|
|
size = size or 0
|
|
end
|
|
ret_pline.data = data
|
|
ret_pline.size = size
|
|
ret_pline.allocated = false
|
|
end
|
|
local state = {
|
|
reader = {
|
|
get_line = get_line,
|
|
cookie = nil,
|
|
conv = {
|
|
vc_type = 0,
|
|
vc_factor = 1,
|
|
vc_fail = false,
|
|
},
|
|
},
|
|
pos = { line = 0, col = 0 },
|
|
colors = kvi_new('ParserHighlight'),
|
|
can_continuate = false,
|
|
}
|
|
local ret = ffi.new('ParserState', state)
|
|
kvi_init(ret.reader.lines)
|
|
kvi_init(ret.stack)
|
|
return ret
|
|
end
|
|
|
|
local function pline2lua(pline)
|
|
return ffi.string(pline.data, pline.size)
|
|
end
|
|
|
|
local function pstate_str(pstate, start, len)
|
|
local str = nil
|
|
local err = nil
|
|
if start.line < pstate.reader.lines.size then
|
|
local pstr = pline2lua(pstate.reader.lines.items[start.line])
|
|
if start.col >= #pstr then
|
|
err = 'start.col >= #pstr'
|
|
else
|
|
str = pstr:sub(tonumber(start.col) + 1, tonumber(start.col + len))
|
|
end
|
|
else
|
|
err = 'start.line >= pstate.reader.lines.size'
|
|
end
|
|
return str, err
|
|
end
|
|
|
|
local function pstate_set_str(pstate, start, len, ret)
|
|
ret = ret or {}
|
|
ret.start = {
|
|
line = tonumber(start.line),
|
|
col = tonumber(start.col)
|
|
}
|
|
ret.len = tonumber(len)
|
|
ret.str, ret.error = pstate_str(pstate, start, len)
|
|
return ret
|
|
end
|
|
|
|
local eltkn_cmp_type_tab
|
|
make_enum_conv_tab(lib, {
|
|
'kExprCmpEqual',
|
|
'kExprCmpMatches',
|
|
'kExprCmpGreater',
|
|
'kExprCmpGreaterOrEqual',
|
|
'kExprCmpIdentical',
|
|
}, 'kExprCmp', function(ret) eltkn_cmp_type_tab = ret end)
|
|
|
|
local function conv_cmp_type(typ)
|
|
return conv_enum(eltkn_cmp_type_tab, typ)
|
|
end
|
|
|
|
local ccs_tab
|
|
make_enum_conv_tab(lib, {
|
|
'kCCStrategyUseOption',
|
|
'kCCStrategyMatchCase',
|
|
'kCCStrategyIgnoreCase',
|
|
}, 'kCCStrategy', function(ret) ccs_tab = ret end)
|
|
|
|
local function conv_ccs(ccs)
|
|
return conv_enum(ccs_tab, ccs)
|
|
end
|
|
|
|
local expr_asgn_type_tab
|
|
make_enum_conv_tab(lib, {
|
|
'kExprAsgnPlain',
|
|
'kExprAsgnAdd',
|
|
'kExprAsgnSubtract',
|
|
'kExprAsgnConcat',
|
|
}, 'kExprAsgn', function(ret) expr_asgn_type_tab = ret end)
|
|
|
|
local function conv_expr_asgn_type(expr_asgn_type)
|
|
return conv_enum(expr_asgn_type_tab, expr_asgn_type)
|
|
end
|
|
|
|
return {
|
|
conv_ccs = conv_ccs,
|
|
pline2lua = pline2lua,
|
|
pstate_str = pstate_str,
|
|
new_pstate = new_pstate,
|
|
conv_cmp_type = conv_cmp_type,
|
|
pstate_set_str = pstate_set_str,
|
|
conv_expr_asgn_type = conv_expr_asgn_type,
|
|
}
|