mirror of
https://github.com/neovim/neovim.git
synced 2024-12-25 13:45:15 -07:00
291 lines
12 KiB
VimL
291 lines
12 KiB
VimL
" Vim reST syntax file
|
||
" Language: reStructuredText documentation format
|
||
" Maintainer: Marshall Ward <marshall.ward@gmail.com>
|
||
" Previous Maintainer: Nikolai Weibull <now@bitwi.se>
|
||
" Website: https://github.com/marshallward/vim-restructuredtext
|
||
" Latest Revision: 2020-03-31
|
||
|
||
if exists("b:current_syntax")
|
||
finish
|
||
endif
|
||
|
||
let s:cpo_save = &cpo
|
||
set cpo&vim
|
||
|
||
syn case ignore
|
||
|
||
syn match rstTransition /^[=`:.'"~^_*+#-]\{4,}\s*$/
|
||
|
||
syn cluster rstCruft contains=rstEmphasis,rstStrongEmphasis,
|
||
\ rstInterpretedText,rstInlineLiteral,rstSubstitutionReference,
|
||
\ rstInlineInternalTargets,rstFootnoteReference,rstHyperlinkReference
|
||
|
||
syn region rstLiteralBlock matchgroup=rstDelimiter
|
||
\ start='\(^\z(\s*\).*\)\@<=::\n\s*\n' skip='^\s*$' end='^\(\z1\s\+\)\@!'
|
||
\ contains=@NoSpell
|
||
|
||
syn region rstQuotedLiteralBlock matchgroup=rstDelimiter
|
||
\ start="::\_s*\n\ze\z([!\"#$%&'()*+,-./:;<=>?@[\]^_`{|}~]\)"
|
||
\ end='^\z1\@!' contains=@NoSpell
|
||
|
||
syn region rstDoctestBlock oneline display matchgroup=rstDelimiter
|
||
\ start='^>>>\s' end='^$'
|
||
|
||
syn region rstTable transparent start='^\n\s*+[-=+]\+' end='^$'
|
||
\ contains=rstTableLines,@rstCruft
|
||
syn match rstTableLines contained display '|\|+\%(=\+\|-\+\)\='
|
||
|
||
syn region rstSimpleTable transparent
|
||
\ start='^\n\%(\s*\)\@>\%(\%(=\+\)\@>\%(\s\+\)\@>\)\%(\%(\%(=\+\)\@>\%(\s*\)\@>\)\+\)\@>$'
|
||
\ end='^$'
|
||
\ contains=rstSimpleTableLines,@rstCruft
|
||
syn match rstSimpleTableLines contained display
|
||
\ '^\%(\s*\)\@>\%(\%(=\+\)\@>\%(\s\+\)\@>\)\%(\%(\%(=\+\)\@>\%(\s*\)\@>\)\+\)\@>$'
|
||
syn match rstSimpleTableLines contained display
|
||
\ '^\%(\s*\)\@>\%(\%(-\+\)\@>\%(\s\+\)\@>\)\%(\%(\%(-\+\)\@>\%(\s*\)\@>\)\+\)\@>$'
|
||
|
||
syn cluster rstDirectives contains=rstFootnote,rstCitation,
|
||
\ rstHyperlinkTarget,rstExDirective
|
||
|
||
syn match rstExplicitMarkup '^\s*\.\.\_s'
|
||
\ nextgroup=@rstDirectives,rstComment,rstSubstitutionDefinition
|
||
|
||
" "Simple reference names are single words consisting of alphanumerics plus
|
||
" isolated (no two adjacent) internal hyphens, underscores, periods, colons
|
||
" and plus signs."
|
||
let s:ReferenceName = '[[:alnum:]]\%([-_.:+]\?[[:alnum:]]\+\)*'
|
||
|
||
syn keyword rstTodo contained FIXME TODO XXX NOTE
|
||
|
||
execute 'syn region rstComment contained' .
|
||
\ ' start=/.*/'
|
||
\ ' skip=+^$+' .
|
||
\ ' end=/^\s\@!/ contains=rstTodo'
|
||
|
||
execute 'syn region rstFootnote contained matchgroup=rstDirective' .
|
||
\ ' start=+\[\%(\d\+\|#\%(' . s:ReferenceName . '\)\=\|\*\)\]\_s+' .
|
||
\ ' skip=+^$+' .
|
||
\ ' end=+^\s\@!+ contains=@rstCruft,@NoSpell'
|
||
|
||
execute 'syn region rstCitation contained matchgroup=rstDirective' .
|
||
\ ' start=+\[' . s:ReferenceName . '\]\_s+' .
|
||
\ ' skip=+^$+' .
|
||
\ ' end=+^\s\@!+ contains=@rstCruft,@NoSpell'
|
||
|
||
syn region rstHyperlinkTarget contained matchgroup=rstDirective
|
||
\ start='_\%(_\|[^:\\]*\%(\\.[^:\\]*\)*\):\_s' skip=+^$+ end=+^\s\@!+
|
||
|
||
syn region rstHyperlinkTarget contained matchgroup=rstDirective
|
||
\ start='_`[^`\\]*\%(\\.[^`\\]*\)*`:\_s' skip=+^$+ end=+^\s\@!+
|
||
|
||
syn region rstHyperlinkTarget matchgroup=rstDirective
|
||
\ start=+^__\_s+ skip=+^$+ end=+^\s\@!+
|
||
|
||
execute 'syn region rstExDirective contained matchgroup=rstDirective' .
|
||
\ ' start=+' . s:ReferenceName . '::\_s+' .
|
||
\ ' skip=+^$+' .
|
||
\ ' end=+^\s\@!+ contains=@rstCruft,rstLiteralBlock'
|
||
|
||
execute 'syn match rstSubstitutionDefinition contained' .
|
||
\ ' /|.*|\_s\+/ nextgroup=@rstDirectives'
|
||
|
||
function! s:DefineOneInlineMarkup(name, start, middle, end, char_left, char_right)
|
||
" Only escape the first char of a multichar delimiter (e.g. \* inside **)
|
||
if a:start[0] == '\'
|
||
let first = a:start[0:1]
|
||
else
|
||
let first = a:start[0]
|
||
endif
|
||
|
||
execute 'syn match rstEscape'.a:name.' +\\\\\|\\'.first.'+'.' contained'
|
||
|
||
execute 'syn region rst' . a:name .
|
||
\ ' start=+' . a:char_left . '\zs' . a:start .
|
||
\ '\ze[^[:space:]' . a:char_right . a:start[strlen(a:start) - 1] . ']+' .
|
||
\ a:middle .
|
||
\ ' end=+' . a:end . '\ze\%($\|\s\|[''"’)\]}>/:.,;!?\\-]\)+' .
|
||
\ ' contains=rstEscape' . a:name
|
||
|
||
execute 'hi def link rstEscape'.a:name.' Special'
|
||
endfunction
|
||
|
||
function! s:DefineInlineMarkup(name, start, middle, end)
|
||
let middle = a:middle != "" ?
|
||
\ (' skip=+\\\\\|\\' . a:middle . '\|\s' . a:middle . '+') :
|
||
\ ""
|
||
|
||
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, "'", "'")
|
||
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '"', '"')
|
||
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '(', ')')
|
||
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '\[', '\]')
|
||
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '{', '}')
|
||
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '<', '>')
|
||
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '’', '’')
|
||
" TODO: Additional Unicode Pd, Po, Pi, Pf, Ps characters
|
||
|
||
call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '\%(^\|\s\|\%ua0\|[/:]\)', '')
|
||
|
||
execute 'syn match rst' . a:name .
|
||
\ ' +\%(^\|\s\|\%ua0\|[''"([{</:]\)\zs' . a:start .
|
||
\ '[^[:space:]' . a:start[strlen(a:start) - 1] . ']'
|
||
\ a:end . '\ze\%($\|\s\|[''")\]}>/:.,;!?\\-]\)+'
|
||
|
||
execute 'hi def link rst' . a:name . 'Delimiter' . ' rst' . a:name
|
||
endfunction
|
||
|
||
call s:DefineInlineMarkup('Emphasis', '\*', '\*', '\*')
|
||
call s:DefineInlineMarkup('StrongEmphasis', '\*\*', '\*', '\*\*')
|
||
call s:DefineInlineMarkup('InterpretedTextOrHyperlinkReference', '`', '`', '`_\{0,2}')
|
||
call s:DefineInlineMarkup('InlineLiteral', '``', "", '``')
|
||
call s:DefineInlineMarkup('SubstitutionReference', '|', '|', '|_\{0,2}')
|
||
call s:DefineInlineMarkup('InlineInternalTargets', '_`', '`', '`')
|
||
|
||
" Sections are identified through their titles, which are marked up with
|
||
" adornment: "underlines" below the title text, or underlines and matching
|
||
" "overlines" above the title. An underline/overline is a single repeated
|
||
" punctuation character that begins in column 1 and forms a line extending at
|
||
" least as far as the right edge of the title text.
|
||
"
|
||
" It is difficult to count characters in a regex, but we at least special-case
|
||
" the case where the title has at least three characters to require the
|
||
" adornment to have at least three characters as well, in order to handle
|
||
" properly the case of a literal block:
|
||
"
|
||
" this is the end of a paragraph
|
||
" ::
|
||
" this is a literal block
|
||
syn match rstSections "\v^%(([=`:.'"~^_*+#-])\1+\n)?.{1,2}\n([=`:.'"~^_*+#-])\2+$"
|
||
\ contains=@Spell
|
||
syn match rstSections "\v^%(([=`:.'"~^_*+#-])\1{2,}\n)?.{3,}\n([=`:.'"~^_*+#-])\2{2,}$"
|
||
\ contains=@Spell
|
||
|
||
" TODO: Can’t remember why these two can’t be defined like the ones above.
|
||
execute 'syn match rstFootnoteReference contains=@NoSpell' .
|
||
\ ' +\%(\s\|^\)\[\%(\d\+\|#\%(' . s:ReferenceName . '\)\=\|\*\)\]_+'
|
||
|
||
execute 'syn match rstCitationReference contains=@NoSpell' .
|
||
\ ' +\%(\s\|^\)\[' . s:ReferenceName . '\]_\ze\%($\|\s\|[''")\]}>/:.,;!?\\-]\)+'
|
||
|
||
execute 'syn match rstHyperlinkReference' .
|
||
\ ' /\<' . s:ReferenceName . '__\=\ze\%($\|\s\|[''")\]}>/:.,;!?\\-]\)/'
|
||
|
||
syn match rstStandaloneHyperlink contains=@NoSpell
|
||
\ "\<\%(\%(\%(https\=\|file\|ftp\|gopher\)://\|\%(mailto\|news\):\)[^[:space:]'\"<>]\+\|www[[:alnum:]_-]*\.[[:alnum:]_-]\+\.[^[:space:]'\"<>]\+\)[[:alnum:]/]"
|
||
|
||
syn region rstCodeBlock contained matchgroup=rstDirective
|
||
\ start=+\%(sourcecode\|code\%(-block\)\=\)::\s*\(\S*\)\?\s*\n\%(\s*:.*:\s*.*\s*\n\)*\n\ze\z(\s\+\)+
|
||
\ skip=+^$+
|
||
\ end=+^\z1\@!+
|
||
\ contains=@NoSpell
|
||
syn cluster rstDirectives add=rstCodeBlock
|
||
|
||
if !exists('g:rst_syntax_code_list')
|
||
" A mapping from a Vim filetype to a list of alias patterns (pattern
|
||
" branches to be specific, see ':help /pattern'). E.g. given:
|
||
"
|
||
" let g:rst_syntax_code_list = {
|
||
" \ 'cpp': ['cpp', 'c++'],
|
||
" \ }
|
||
"
|
||
" then the respective contents of the following two rST directives:
|
||
"
|
||
" .. code:: cpp
|
||
"
|
||
" auto i = 42;
|
||
"
|
||
" .. code:: C++
|
||
"
|
||
" auto i = 42;
|
||
"
|
||
" will both be highlighted as C++ code. As shown by the latter block
|
||
" pattern matching will be case-insensitive.
|
||
let g:rst_syntax_code_list = {
|
||
\ 'vim': ['vim'],
|
||
\ 'java': ['java'],
|
||
\ 'cpp': ['cpp', 'c++'],
|
||
\ 'lisp': ['lisp'],
|
||
\ 'php': ['php'],
|
||
\ 'python': ['python'],
|
||
\ 'perl': ['perl'],
|
||
\ 'sh': ['sh'],
|
||
\ }
|
||
elseif type(g:rst_syntax_code_list) == type([])
|
||
" backward compatibility with former list format
|
||
let s:old_spec = g:rst_syntax_code_list
|
||
let g:rst_syntax_code_list = {}
|
||
for s:elem in s:old_spec
|
||
let g:rst_syntax_code_list[s:elem] = [s:elem]
|
||
endfor
|
||
endif
|
||
|
||
for s:filetype in keys(g:rst_syntax_code_list)
|
||
unlet! b:current_syntax
|
||
" guard against setting 'isk' option which might cause problems (issue #108)
|
||
let prior_isk = &l:iskeyword
|
||
let s:alias_pattern = ''
|
||
\.'\%('
|
||
\.join(g:rst_syntax_code_list[s:filetype], '\|')
|
||
\.'\)'
|
||
|
||
exe 'syn include @rst'.s:filetype.' syntax/'.s:filetype.'.vim'
|
||
exe 'syn region rstDirective'.s:filetype
|
||
\.' matchgroup=rstDirective fold'
|
||
\.' start="\c\%(sourcecode\|code\%(-block\)\=\)::\s\+'.s:alias_pattern.'\_s*\n\ze\z(\s\+\)"'
|
||
\.' skip=#^$#'
|
||
\.' end=#^\z1\@!#'
|
||
\.' contains=@NoSpell,@rst'.s:filetype
|
||
exe 'syn cluster rstDirectives add=rstDirective'.s:filetype
|
||
|
||
" reset 'isk' setting, if it has been changed
|
||
if &l:iskeyword !=# prior_isk
|
||
let &l:iskeyword = prior_isk
|
||
endif
|
||
unlet! prior_isk
|
||
endfor
|
||
|
||
" Enable top level spell checking
|
||
syntax spell toplevel
|
||
|
||
" TODO: Use better syncing.
|
||
syn sync minlines=50 linebreaks=2
|
||
|
||
hi def link rstTodo Todo
|
||
hi def link rstComment Comment
|
||
hi def link rstSections Title
|
||
hi def link rstTransition rstSections
|
||
hi def link rstLiteralBlock String
|
||
hi def link rstQuotedLiteralBlock String
|
||
hi def link rstDoctestBlock PreProc
|
||
hi def link rstTableLines rstDelimiter
|
||
hi def link rstSimpleTableLines rstTableLines
|
||
hi def link rstExplicitMarkup rstDirective
|
||
hi def link rstDirective Keyword
|
||
hi def link rstFootnote String
|
||
hi def link rstCitation String
|
||
hi def link rstHyperlinkTarget String
|
||
hi def link rstExDirective String
|
||
hi def link rstSubstitutionDefinition rstDirective
|
||
hi def link rstDelimiter Delimiter
|
||
hi def link rstInterpretedTextOrHyperlinkReference Identifier
|
||
hi def link rstInlineLiteral String
|
||
hi def link rstSubstitutionReference PreProc
|
||
hi def link rstInlineInternalTargets Identifier
|
||
hi def link rstFootnoteReference Identifier
|
||
hi def link rstCitationReference Identifier
|
||
hi def link rstHyperLinkReference Identifier
|
||
hi def link rstStandaloneHyperlink Identifier
|
||
hi def link rstCodeBlock String
|
||
if exists('g:rst_use_emphasis_colors')
|
||
" TODO: Less arbitrary color selection
|
||
hi def rstEmphasis ctermfg=13 term=italic cterm=italic gui=italic
|
||
hi def rstStrongEmphasis ctermfg=1 term=bold cterm=bold gui=bold
|
||
else
|
||
hi def rstEmphasis term=italic cterm=italic gui=italic
|
||
hi def rstStrongEmphasis term=bold cterm=bold gui=bold
|
||
endif
|
||
|
||
let b:current_syntax = "rst"
|
||
|
||
let &cpo = s:cpo_save
|
||
unlet s:cpo_save
|