vim-polyglot/syntax/markdown.vim
2017-09-27 20:43:42 +02:00

329 lines
17 KiB
VimL

if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1
" Vim syntax file
" Language: Markdown
" Maintainer: Tim Pope <vimNOSPAM@tpope.org>
" Filenames: *.markdown
" Last Change: 2016 Aug 29
if exists("b:current_syntax")
finish
endif
if !exists('main_syntax')
let main_syntax = 'markdown'
endif
runtime! syntax/html.vim
unlet! b:current_syntax
if !exists('g:markdown_fenced_languages')
let g:markdown_fenced_languages = []
endif
for s:type in map(copy(g:markdown_fenced_languages),'matchstr(v:val,"[^=]*$")')
if s:type =~ '\.'
let b:{matchstr(s:type,'[^.]*')}_subtype = matchstr(s:type,'\.\zs.*')
endif
exe 'syn include @markdownHighlight'.substitute(s:type,'\.','','g').' syntax/'.matchstr(s:type,'[^.]*').'.vim'
unlet! b:current_syntax
endfor
unlet! s:type
syn sync minlines=10
syn case ignore
syn match markdownValid '[<>]\c[a-z/$!]\@!'
syn match markdownValid '&\%(#\=\w*;\)\@!'
syn match markdownLineStart "^[<@]\@!" nextgroup=@markdownBlock,htmlSpecialChar
syn cluster markdownBlock contains=markdownH1,markdownH2,markdownH3,markdownH4,markdownH5,markdownH6,markdownBlockquote,markdownListMarker,markdownOrderedListMarker,markdownCodeBlock,markdownRule
syn cluster markdownInline contains=markdownLineBreak,markdownLinkText,markdownItalic,markdownBold,markdownCode,markdownEscape,@htmlTop,markdownError
syn match markdownH1 "^.\+\n=\+$" contained contains=@markdownInline,markdownHeadingRule,markdownAutomaticLink
syn match markdownH2 "^.\+\n-\+$" contained contains=@markdownInline,markdownHeadingRule,markdownAutomaticLink
syn match markdownHeadingRule "^[=-]\+$" contained
syn region markdownH1 matchgroup=markdownHeadingDelimiter start="##\@!" end="#*\s*$" keepend oneline contains=@markdownInline,markdownAutomaticLink contained
syn region markdownH2 matchgroup=markdownHeadingDelimiter start="###\@!" end="#*\s*$" keepend oneline contains=@markdownInline,markdownAutomaticLink contained
syn region markdownH3 matchgroup=markdownHeadingDelimiter start="####\@!" end="#*\s*$" keepend oneline contains=@markdownInline,markdownAutomaticLink contained
syn region markdownH4 matchgroup=markdownHeadingDelimiter start="#####\@!" end="#*\s*$" keepend oneline contains=@markdownInline,markdownAutomaticLink contained
syn region markdownH5 matchgroup=markdownHeadingDelimiter start="######\@!" end="#*\s*$" keepend oneline contains=@markdownInline,markdownAutomaticLink contained
syn region markdownH6 matchgroup=markdownHeadingDelimiter start="#######\@!" end="#*\s*$" keepend oneline contains=@markdownInline,markdownAutomaticLink contained
syn match markdownBlockquote ">\%(\s\|$\)" contained nextgroup=@markdownBlock
syn region markdownCodeBlock start=" \|\t" end="$" contained
" TODO: real nesting
syn match markdownListMarker "\%(\t\| \{0,4\}\)[-*+]\%(\s\+\S\)\@=" contained
syn match markdownOrderedListMarker "\%(\t\| \{0,4}\)\<\d\+\.\%(\s\+\S\)\@=" contained
syn match markdownRule "\* *\* *\*[ *]*$" contained
syn match markdownRule "- *- *-[ -]*$" contained
syn match markdownLineBreak " \{2,\}$"
syn region markdownIdDeclaration matchgroup=markdownLinkDelimiter start="^ \{0,3\}!\=\[" end="\]:" oneline keepend nextgroup=markdownUrl skipwhite
syn match markdownUrl "\S\+" nextgroup=markdownUrlTitle skipwhite contained
syn region markdownUrl matchgroup=markdownUrlDelimiter start="<" end=">" oneline keepend nextgroup=markdownUrlTitle skipwhite contained
syn region markdownUrlTitle matchgroup=markdownUrlTitleDelimiter start=+"+ end=+"+ keepend contained
syn region markdownUrlTitle matchgroup=markdownUrlTitleDelimiter start=+'+ end=+'+ keepend contained
syn region markdownUrlTitle matchgroup=markdownUrlTitleDelimiter start=+(+ end=+)+ keepend contained
syn region markdownLinkText matchgroup=markdownLinkTextDelimiter start="!\=\[\%(\_[^]]*]\%( \=[[(]\)\)\@=" end="\]\%( \=[[(]\)\@=" nextgroup=markdownLink,markdownId skipwhite contains=@markdownInline,markdownLineStart
syn region markdownLink matchgroup=markdownLinkDelimiter start="(" end=")" contains=markdownUrl keepend contained
syn region markdownId matchgroup=markdownIdDelimiter start="\[" end="\]" keepend contained
syn region markdownAutomaticLink matchgroup=markdownUrlDelimiter start="<\%(\w\+:\|[[:alnum:]_+-]\+@\)\@=" end=">" keepend oneline
let s:concealends = has('conceal') ? ' concealends' : ''
exe 'syn region markdownItalic matchgroup=markdownItalicDelimiter start="\S\@<=\*\|\*\S\@=" end="\S\@<=\*\|\*\S\@=" keepend contains=markdownLineStart' . s:concealends
exe 'syn region markdownItalic matchgroup=markdownItalicDelimiter start="\S\@<=_\|_\S\@=" end="\S\@<=_\|_\S\@=" keepend contains=markdownLineStart' . s:concealends
exe 'syn region markdownBold matchgroup=markdownBoldDelimiter start="\S\@<=\*\*\|\*\*\S\@=" end="\S\@<=\*\*\|\*\*\S\@=" keepend contains=markdownLineStart,markdownItalic' . s:concealends
exe 'syn region markdownBold matchgroup=markdownBoldDelimiter start="\S\@<=__\|__\S\@=" end="\S\@<=__\|__\S\@=" keepend contains=markdownLineStart,markdownItalic' . s:concealends
exe 'syn region markdownBoldItalic matchgroup=markdownBoldItalicDelimiter start="\S\@<=\*\*\*\|\*\*\*\S\@=" end="\S\@<=\*\*\*\|\*\*\*\S\@=" keepend contains=markdownLineStart' . s:concealends
exe 'syn region markdownBoldItalic matchgroup=markdownBoldItalicDelimiter start="\S\@<=___\|___\S\@=" end="\S\@<=___\|___\S\@=" keepend contains=markdownLineStart' . s:concealends
syn region markdownCode matchgroup=markdownCodeDelimiter start="`" end="`" keepend contains=markdownLineStart
syn region markdownCode matchgroup=markdownCodeDelimiter start="`` \=" end=" \=``" keepend contains=markdownLineStart
syn region markdownCode matchgroup=markdownCodeDelimiter start="^\s*```.*$" end="^\s*```\ze\s*$" keepend
syn match markdownFootnote "\[^[^\]]\+\]"
syn match markdownFootnoteDefinition "^\[^[^\]]\+\]:"
if main_syntax ==# 'markdown'
for s:type in g:markdown_fenced_languages
exe 'syn region markdownHighlight'.substitute(matchstr(s:type,'[^=]*$'),'\..*','','').' matchgroup=markdownCodeDelimiter start="^\s*```\s*'.matchstr(s:type,'[^=]*').'\>.*$" end="^\s*```\ze\s*$" keepend contains=@markdownHighlight'.substitute(matchstr(s:type,'[^=]*$'),'\.','','g')
endfor
unlet! s:type
endif
syn match markdownEscape "\\[][\\`*_{}()<>#+.!-]"
syn match markdownError "\w\@<=_\w\@="
hi def link markdownH1 htmlH1
hi def link markdownH2 htmlH2
hi def link markdownH3 htmlH3
hi def link markdownH4 htmlH4
hi def link markdownH5 htmlH5
hi def link markdownH6 htmlH6
hi def link markdownHeadingRule markdownRule
hi def link markdownHeadingDelimiter Delimiter
hi def link markdownOrderedListMarker markdownListMarker
hi def link markdownListMarker htmlTagName
hi def link markdownBlockquote Comment
hi def link markdownRule PreProc
hi def link markdownFootnote Typedef
hi def link markdownFootnoteDefinition Typedef
hi def link markdownLinkText htmlLink
hi def link markdownIdDeclaration Typedef
hi def link markdownId Type
hi def link markdownAutomaticLink markdownUrl
hi def link markdownUrl Float
hi def link markdownUrlTitle String
hi def link markdownIdDelimiter markdownLinkDelimiter
hi def link markdownUrlDelimiter htmlTag
hi def link markdownUrlTitleDelimiter Delimiter
hi def link markdownItalic htmlItalic
hi def link markdownItalicDelimiter markdownItalic
hi def link markdownBold htmlBold
hi def link markdownBoldDelimiter markdownBold
hi def link markdownBoldItalic htmlBoldItalic
hi def link markdownBoldItalicDelimiter markdownBoldItalic
hi def link markdownCodeDelimiter Delimiter
hi def link markdownEscape Special
hi def link markdownError Error
let b:current_syntax = "markdown"
if main_syntax ==# 'markdown'
unlet main_syntax
endif
" vim:set sw=2:
endif
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'markdown') == -1
" Vim syntax file
" Language: Markdown
" Maintainer: Ben Williams <benw@plasticboy.com>
" URL: http://plasticboy.com/markdown-vim-mode/
" Remark: Uses HTML syntax file
" TODO: Handle stuff contained within stuff (e.g. headings within blockquotes)
" Read the HTML syntax to start with
if version < 600
so <sfile>:p:h/html.vim
else
runtime! syntax/html.vim
if exists('b:current_syntax')
unlet b:current_syntax
endif
endif
if version < 600
syntax clear
elseif exists("b:current_syntax")
finish
endif
" don't use standard HiLink, it will not work with included syntax files
if version < 508
command! -nargs=+ HtmlHiLink hi link <args>
else
command! -nargs=+ HtmlHiLink hi def link <args>
endif
syn spell toplevel
syn case ignore
syn sync linebreaks=1
let s:conceal = ''
let s:concealends = ''
if has('conceal') && get(g:, 'vim_markdown_conceal', 1)
let s:conceal = ' conceal'
let s:concealends = ' concealends'
endif
" additions to HTML groups
if get(g:, 'vim_markdown_emphasis_multiline', 1)
let s:oneline = ''
else
let s:oneline = ' oneline'
endif
syn region mkdItalic matchgroup=mkdItalic start="\%(\*\|_\)" end="\%(\*\|_\)"
syn region mkdBold matchgroup=mkdBold start="\%(\*\*\|__\)" end="\%(\*\*\|__\)"
syn region mkdBoldItalic matchgroup=mkdBoldItalic start="\%(\*\*\*\|___\)" end="\%(\*\*\*\|___\)"
execute 'syn region htmlItalic matchgroup=mkdItalic start="\%(^\|\s\)\zs\*\ze[^\\\*\t ]\%(\%([^*]\|\\\*\|\n\)*[^\\\*\t ]\)\?\*\_W" end="[^\\\*\t ]\zs\*\ze\_W" keepend contains=@Spell' . s:oneline . s:concealends
execute 'syn region htmlItalic matchgroup=mkdItalic start="\%(^\|\s\)\zs_\ze[^\\_\t ]" end="[^\\_\t ]\zs_\ze\_W" keepend contains=@Spell' . s:oneline . s:concealends
execute 'syn region htmlBold matchgroup=mkdBold start="\%(^\|\s\)\zs\*\*\ze\S" end="\S\zs\*\*" keepend contains=@Spell' . s:oneline . s:concealends
execute 'syn region htmlBold matchgroup=mkdBold start="\%(^\|\s\)\zs__\ze\S" end="\S\zs__" keepend contains=@Spell' . s:oneline . s:concealends
execute 'syn region htmlBoldItalic matchgroup=mkdBoldItalic start="\%(^\|\s\)\zs\*\*\*\ze\S" end="\S\zs\*\*\*" keepend contains=@Spell' . s:oneline . s:concealends
execute 'syn region htmlBoldItalic matchgroup=mkdBoldItalic start="\%(^\|\s\)\zs___\ze\S" end="\S\zs___" keepend contains=@Spell' . s:oneline . s:concealends
" [link](URL) | [link][id] | [link][] | ![image](URL)
syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^" end="\]"
execute 'syn region mkdID matchgroup=mkdDelimiter start="\[" end="\]" contained oneline' . s:conceal
execute 'syn region mkdURL matchgroup=mkdDelimiter start="(" end=")" contained oneline' . s:conceal
execute 'syn region mkdLink matchgroup=mkdDelimiter start="\\\@<!!\?\[\ze[^]\n]*\n\?[^]\n]*\][[(]" end="\]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite' . s:concealends
" Autolink without angle brackets.
" mkd inline links: protocol optional user:pass@ sub/domain .com, .co.uk, etc optional port path/querystring/hash fragment
" ------------ _____________________ ----------------------------- _________________________ ----------------- __
syn match mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/
" Autolink with parenthesis.
syn region mkdInlineURL matchgroup=mkdDelimiter start="(\(https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*)\)\@=" end=")"
" Autolink with angle brackets.
syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\ze[a-z][a-z0-9,.-]\{1,22}:\/\/[^> ]*>" end=">"
" Link definitions: [id]: URL (Optional Title)
syn region mkdLinkDef matchgroup=mkdDelimiter start="^ \{,3}\zs\[\^\@!" end="]:" oneline nextgroup=mkdLinkDefTarget skipwhite
syn region mkdLinkDefTarget start="<\?\zs\S" excludenl end="\ze[>[:space:]\n]" contained nextgroup=mkdLinkTitle,mkdLinkDef skipwhite skipnl oneline
syn region mkdLinkTitle matchgroup=mkdDelimiter start=+"+ end=+"+ contained
syn region mkdLinkTitle matchgroup=mkdDelimiter start=+'+ end=+'+ contained
syn region mkdLinkTitle matchgroup=mkdDelimiter start=+(+ end=+)+ contained
"HTML headings
syn region htmlH1 start="^\s*#" end="$" contains=mkdLink,mkdInlineURL,@Spell
syn region htmlH2 start="^\s*##" end="$" contains=mkdLink,mkdInlineURL,@Spell
syn region htmlH3 start="^\s*###" end="$" contains=mkdLink,mkdInlineURL,@Spell
syn region htmlH4 start="^\s*####" end="$" contains=mkdLink,mkdInlineURL,@Spell
syn region htmlH5 start="^\s*#####" end="$" contains=mkdLink,mkdInlineURL,@Spell
syn region htmlH6 start="^\s*######" end="$" contains=mkdLink,mkdInlineURL,@Spell
syn match htmlH1 /^.\+\n=\+$/ contains=mkdLink,mkdInlineURL,@Spell
syn match htmlH2 /^.\+\n-\+$/ contains=mkdLink,mkdInlineURL,@Spell
"define Markdown groups
syn match mkdLineBreak / \+$/
syn region mkdBlockquote start=/^\s*>/ end=/$/ contains=mkdLink,mkdInlineURL,mkdLineBreak,@Spell
syn region mkdCode start=/\(\([^\\]\|^\)\\\)\@<!`/ end=/\(\([^\\]\|^\)\\\)\@<!`/
syn region mkdCode start=/\s*``[^`]*/ end=/[^`]*``\s*/
syn region mkdCode start=/^\s*\z(`\{3,}\)[^`]*$/ end=/^\s*\z1`*\s*$/
syn region mkdCode start=/\s*\~\~[^\~]*/ end=/[^\~]*\~\~\s*/
syn region mkdCode start=/^\s*\z(\~\{3,}\)\s*[0-9A-Za-z_+-]*\s*$/ end=/^\s*\z1\~*\s*$/
syn region mkdCode start="<pre[^>]*\\\@<!>" end="</pre>"
syn region mkdCode start="<code[^>]*\\\@<!>" end="</code>"
syn region mkdFootnote start="\[^" end="\]"
syn match mkdCode /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
syn match mkdCode /\%^\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
syn match mkdCode /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/ contained
syn match mkdListItem /^\s*\%([-*+]\|\d\+\.\)\ze\s\+/ contained
syn region mkdListItemLine start="^\s*\%([-*+]\|\d\+\.\)\s\+" end="$" oneline contains=@mkdNonListItem,mkdListItem,@Spell
syn region mkdNonListItemBlock start="\(\%^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@!\|\n\(\_^\_$\|\s\{4,}[^ ]\|\t+[^\t]\)\@!\)" end="^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@=" contains=@mkdNonListItem,@Spell
syn match mkdRule /^\s*\*\s\{0,1}\*\s\{0,1}\*$/
syn match mkdRule /^\s*-\s\{0,1}-\s\{0,1}-$/
syn match mkdRule /^\s*_\s\{0,1}_\s\{0,1}_$/
syn match mkdRule /^\s*-\{3,}$/
syn match mkdRule /^\s*\*\{3,5}$/
" YAML frontmatter
if get(g:, 'vim_markdown_frontmatter', 0)
syn include @yamlTop syntax/yaml.vim
syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^---$" contains=@yamlTop keepend
unlet! b:current_syntax
endif
if get(g:, 'vim_markdown_toml_frontmatter', 0)
try
syn include @tomlTop syntax/toml.vim
syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$" transparent contains=@tomlTop keepend
unlet! b:current_syntax
catch /E484/
syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$"
endtry
endif
if get(g:, 'vim_markdown_json_frontmatter', 0)
try
syn include @jsonTop syntax/json.vim
syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$" contains=@jsonTop keepend
unlet! b:current_syntax
catch /E484/
syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$"
endtry
endif
if get(g:, 'vim_markdown_math', 0)
syn include @tex syntax/tex.vim
syn region mkdMath start="\\\@<!\$" end="\$" skip="\\\$" contains=@tex keepend
syn region mkdMath start="\\\@<!\$\$" end="\$\$" skip="\\\$" contains=@tex keepend
endif
syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath
"highlighting for Markdown groups
HtmlHiLink mkdString String
HtmlHiLink mkdCode String
HtmlHiLink mkdCodeStart String
HtmlHiLink mkdCodeEnd String
HtmlHiLink mkdFootnote Comment
HtmlHiLink mkdBlockquote Comment
HtmlHiLink mkdListItem Identifier
HtmlHiLink mkdRule Identifier
HtmlHiLink mkdLineBreak Visual
HtmlHiLink mkdFootnotes htmlLink
HtmlHiLink mkdLink htmlLink
HtmlHiLink mkdURL htmlString
HtmlHiLink mkdInlineURL htmlLink
HtmlHiLink mkdID Identifier
HtmlHiLink mkdLinkDef mkdID
HtmlHiLink mkdLinkDefTarget mkdURL
HtmlHiLink mkdLinkTitle htmlString
HtmlHiLink mkdDelimiter Delimiter
let b:current_syntax = "mkd"
delcommand HtmlHiLink
" vim: ts=8
endif