mirror of
				https://github.com/neovim/neovim.git
				synced 2025-11-04 09:44:31 +00:00 
			
		
		
		
	Vim runtime files based on 7.4.384 / hg changeset 7090d7f160f7
Excluding:
  Amiga icons (*.info, icons/)
  doc/hangulin.txt
  tutor/
  spell/
  lang/ (only used for menu translations)
  macros/maze/, macros/hanoi/, macros/life/, macros/urm/
      These were used to test vi compatibility.
  termcap
      "Demonstration of a termcap file (for the Amiga and Archimedes)"
Helped-by: Rich Wareham <rjw57@cam.ac.uk>
Helped-by: John <john.schmidt.h@gmail.com>
Helped-by: Yann <yann@yann-salaun.com>
Helped-by: Christophe Badoit <c.badoit@lesiteimmo.com>
Helped-by: drasill <github@tof2k.com>
Helped-by: Tae Sandoval Murgan <taecilla@gmail.com>
Helped-by: Lowe Thiderman <lowe.thiderman@gmail.com>
		
	
		
			
				
	
	
		
			224 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			VimL
		
	
	
	
	
	
			
		
		
	
	
			224 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			VimL
		
	
	
	
	
	
" Language:     Verilog HDL
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" Maintainer:	Chih-Tsun Huang <cthuang@larc.ee.nthu.edu.tw>
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" Last Change:	2011 Dec 10 by Thilo Six
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" URL:		http://larc.ee.nthu.edu.tw/~cthuang/vim/indent/verilog.vim
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"
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" Credits:
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"   Suggestions for improvement, bug reports by
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"     Leo Butlero <lbutler@brocade.com>
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"
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" Buffer Variables:
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"     b:verilog_indent_modules : indenting after the declaration
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"				 of module blocks
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"     b:verilog_indent_width   : indenting width
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"     b:verilog_indent_verbose : verbose to each indenting
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"
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" Only load this indent file when no other was loaded.
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if exists("b:did_indent")
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  finish
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endif
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let b:did_indent = 1
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setlocal indentexpr=GetVerilogIndent()
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setlocal indentkeys=!^F,o,O,0),=begin,=end,=join,=endcase
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setlocal indentkeys+==endmodule,=endfunction,=endtask,=endspecify
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setlocal indentkeys+==`else,=`endif
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" Only define the function once.
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if exists("*GetVerilogIndent")
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  finish
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endif
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let s:cpo_save = &cpo
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set cpo&vim
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function GetVerilogIndent()
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  if exists('b:verilog_indent_width')
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    let offset = b:verilog_indent_width
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  else
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    let offset = &sw
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  endif
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  if exists('b:verilog_indent_modules')
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    let indent_modules = offset
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  else
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    let indent_modules = 0
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  endif
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  " Find a non-blank line above the current line.
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  let lnum = prevnonblank(v:lnum - 1)
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  " At the start of the file use zero indent.
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  if lnum == 0
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    return 0
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  endif
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  let lnum2 = prevnonblank(lnum - 1)
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  let curr_line  = getline(v:lnum)
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  let last_line  = getline(lnum)
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  let last_line2 = getline(lnum2)
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  let ind  = indent(lnum)
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  let ind2 = indent(lnum - 1)
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  let offset_comment1 = 1
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  " Define the condition of an open statement
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  "   Exclude the match of //, /* or */
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  let vlog_openstat = '\(\<or\>\|\([*/]\)\@<![*(,{><+-/%^&|!=?:]\([*/]\)\@!\)'
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  " Define the condition when the statement ends with a one-line comment
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  let vlog_comment = '\(//.*\|/\*.*\*/\s*\)'
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  if exists('b:verilog_indent_verbose')
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    let vverb_str = 'INDENT VERBOSE:'
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    let vverb = 1
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  else
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    let vverb = 0
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  endif
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  " Indent accoding to last line
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  " End of multiple-line comment
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  if last_line =~ '\*/\s*$' && last_line !~ '/\*.\{-}\*/'
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    let ind = ind - offset_comment1
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    if vverb
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      echo vverb_str "De-indent after a multiple-line comment."
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    endif
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  " Indent after if/else/for/case/always/initial/specify/fork blocks
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  elseif last_line =~ '`\@<!\<\(if\|else\)\>' ||
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    \ last_line =~ '^\s*\<\(for\|case\%[[zx]]\)\>' ||
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    \ last_line =~ '^\s*\<\(always\|initial\)\>' ||
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    \ last_line =~ '^\s*\<\(specify\|fork\)\>'
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    if last_line !~ '\(;\|\<end\>\)\s*' . vlog_comment . '*$' ||
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      \ last_line =~ '\(//\|/\*\).*\(;\|\<end\>\)\s*' . vlog_comment . '*$'
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      let ind = ind + offset
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      if vverb | echo vverb_str "Indent after a block statement." | endif
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    endif
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  " Indent after function/task blocks
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  elseif last_line =~ '^\s*\<\(function\|task\)\>'
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    if last_line !~ '\<end\>\s*' . vlog_comment . '*$' ||
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      \ last_line =~ '\(//\|/\*\).*\(;\|\<end\>\)\s*' . vlog_comment . '*$'
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      let ind = ind + offset
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      if vverb
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	echo vverb_str "Indent after function/task block statement."
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      endif
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    endif
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  " Indent after module/function/task/specify/fork blocks
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  elseif last_line =~ '^\s*\<module\>'
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    let ind = ind + indent_modules
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    if vverb && indent_modules
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      echo vverb_str "Indent after module statement."
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    endif
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    if last_line =~ '[(,]\s*' . vlog_comment . '*$' &&
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      \ last_line !~ '\(//\|/\*\).*[(,]\s*' . vlog_comment . '*$'
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      let ind = ind + offset
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      if vverb
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	echo vverb_str "Indent after a multiple-line module statement."
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      endif
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    endif
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  " Indent after a 'begin' statement
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  elseif last_line =~ '\(\<begin\>\)\(\s*:\s*\w\+\)*' . vlog_comment . '*$' &&
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    \ last_line !~ '\(//\|/\*\).*\(\<begin\>\)' &&
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    \ ( last_line2 !~ vlog_openstat . '\s*' . vlog_comment . '*$' ||
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    \ last_line2 =~ '^\s*[^=!]\+\s*:\s*' . vlog_comment . '*$' )
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    let ind = ind + offset
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    if vverb | echo vverb_str "Indent after begin statement." | endif
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  " De-indent for the end of one-line block
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  elseif ( last_line !~ '\<begin\>' ||
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    \ last_line =~ '\(//\|/\*\).*\<begin\>' ) &&
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    \ last_line2 =~ '\<\(`\@<!if\|`\@<!else\|for\|always\|initial\)\>.*' .
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      \ vlog_comment . '*$' &&
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    \ last_line2 !~
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      \ '\(//\|/\*\).*\<\(`\@<!if\|`\@<!else\|for\|always\|initial\)\>' &&
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    \ last_line2 !~ vlog_openstat . '\s*' . vlog_comment . '*$' &&
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    \ ( last_line2 !~ '\<begin\>' ||
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    \ last_line2 =~ '\(//\|/\*\).*\<begin\>' )
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    let ind = ind - offset
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    if vverb
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      echo vverb_str "De-indent after the end of one-line statement."
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    endif
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    " Multiple-line statement (including case statement)
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    " Open statement
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    "   Ident the first open line
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    elseif  last_line =~ vlog_openstat . '\s*' . vlog_comment . '*$' &&
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      \ last_line !~ '\(//\|/\*\).*' . vlog_openstat . '\s*$' &&
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      \ last_line2 !~ vlog_openstat . '\s*' . vlog_comment . '*$'
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      let ind = ind + offset
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      if vverb | echo vverb_str "Indent after an open statement." | endif
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    " Close statement
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    "   De-indent for an optional close parenthesis and a semicolon, and only
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    "   if there exists precedent non-whitespace char
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    elseif last_line =~ ')*\s*;\s*' . vlog_comment . '*$' &&
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      \ last_line !~ '^\s*)*\s*;\s*' . vlog_comment . '*$' &&
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      \ last_line !~ '\(//\|/\*\).*\S)*\s*;\s*' . vlog_comment . '*$' &&
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      \ ( last_line2 =~ vlog_openstat . '\s*' . vlog_comment . '*$' &&
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      \ last_line2 !~ ';\s*//.*$') &&
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      \ last_line2 !~ '^\s*' . vlog_comment . '$'
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      let ind = ind - offset
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      if vverb | echo vverb_str "De-indent after a close statement." | endif
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  " `ifdef and `else
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  elseif last_line =~ '^\s*`\<\(ifdef\|else\)\>'
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    let ind = ind + offset
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    if vverb
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      echo vverb_str "Indent after a `ifdef or `else statement."
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    endif
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  endif
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  " Re-indent current line
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  " De-indent on the end of the block
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  " join/end/endcase/endfunction/endtask/endspecify
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  if curr_line =~ '^\s*\<\(join\|end\|endcase\)\>' ||
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    \ curr_line =~ '^\s*\<\(endfunction\|endtask\|endspecify\)\>'
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    let ind = ind - offset
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    if vverb | echo vverb_str "De-indent the end of a block." | endif
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  elseif curr_line =~ '^\s*\<endmodule\>'
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    let ind = ind - indent_modules
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    if vverb && indent_modules
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      echo vverb_str "De-indent the end of a module."
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    endif
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  " De-indent on a stand-alone 'begin'
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  elseif curr_line =~ '^\s*\<begin\>'
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    if last_line !~ '^\s*\<\(function\|task\|specify\|module\)\>' &&
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      \ last_line !~ '^\s*\()*\s*;\|)\+\)\s*' . vlog_comment . '*$' &&
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      \ ( last_line =~
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	\ '\<\(`\@<!if\|`\@<!else\|for\|case\%[[zx]]\|always\|initial\)\>' ||
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      \ last_line =~ ')\s*' . vlog_comment . '*$' ||
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      \ last_line =~ vlog_openstat . '\s*' . vlog_comment . '*$' )
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      let ind = ind - offset
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      if vverb
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	echo vverb_str "De-indent a stand alone begin statement."
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      endif
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    endif
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  " De-indent after the end of multiple-line statement
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  elseif curr_line =~ '^\s*)' &&
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    \ ( last_line =~ vlog_openstat . '\s*' . vlog_comment . '*$' ||
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    \ last_line !~ vlog_openstat . '\s*' . vlog_comment . '*$' &&
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    \ last_line2 =~ vlog_openstat . '\s*' . vlog_comment . '*$' )
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    let ind = ind - offset
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    if vverb
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      echo vverb_str "De-indent the end of a multiple statement."
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    endif
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  " De-indent `else and `endif
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  elseif curr_line =~ '^\s*`\<\(else\|endif\)\>'
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    let ind = ind - offset
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    if vverb | echo vverb_str "De-indent `else and `endif statement." | endif
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  endif
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  " Return the indention
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  return ind
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endfunction
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let &cpo = s:cpo_save
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unlet s:cpo_save
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" vim:sw=2
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