vimtex/after/syntax/tex.vim

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" vimtex - LaTeX plugin for Vim
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"
" Maintainer: Karl Yngve Lervåg
" Email: karl.yngve@gmail.com
"
if !exists('b:current_syntax')
let b:current_syntax = 'tex'
elseif b:current_syntax !=# 'tex'
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echoerr 'vimtex syntax error: please report issue!'
finish
endif
" Perform spell checking when there is no syntax
" - This will enable spell checking e.g. in toplevel of included files
syntax spell toplevel
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" {{{1 General match improvements
syntax match texInputFile /\\includepdf\%(\[.\{-}\]\)\=\s*{.\{-}}/
\ contains=texStatement,texInputCurlies,texInputFileOpt
" {{{1 Italic font, bold font and conceals
if get(g:, 'tex_fast', 'b') =~# 'b'
let conceal = (has('conceal') && get(g:, 'tex_conceal', 'b') =~# 'b')
\ ? 'concealends' : ''
for [style, group, commands] in [
\ ['texItalStyle', 'texItalGroup', ['emph', 'textit']],
\ ['texBoldStyle', 'texBoldGroup', ['textbf']],
\]
for cmd in commands
execute 'syntax region' style 'matchgroup=texTypeStyle'
\ 'start="\\' . cmd . '\s*{" end="}"'
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\ 'contains=@Spell,@' . group
\ conceal
endfor
execute 'syntax cluster texMatchGroup add=' . style
endfor
endif
" }}}1
" {{{1 Add syntax highlighting for \url, \href, \hyperref
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syntax match texStatement '\\url\ze[^\ta-zA-Z]' nextgroup=texUrlVerb
syntax region texUrlVerb matchgroup=Delimiter
\ start='\z([^\ta-zA-Z]\)' end='\z1' contained
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syntax match texStatement '\\url\ze\s*{' nextgroup=texUrl
syntax region texUrl matchgroup=Delimiter start='{' end='}' contained
syntax match texStatement '\\href' nextgroup=texHref
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syntax region texHref matchgroup=Delimiter start='{' end='}' contained
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\ nextgroup=texHrefLinkText
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syntax region texHrefLinkText matchgroup=Delimiter start='{' end='}' contained
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\ contains=@Spell
syntax match texStatement '\\hyperref' nextgroup=texHyperref
syntax region texHyperref matchgroup=Delimiter start='\[' end='\]' contained
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highlight link texUrl Function
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highlight link texUrlVerb texUrl
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highlight link texHref texUrl
highlight link texHrefLinkText texSectionZone
highlight link texHyperref texRefZone
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" }}}1
" {{{1 Improve support for cite commands
if get(g:, 'tex_fast', 'r') =~# 'r'
syntax match texStatement
\ "\\\%(auto\|text\)\?cite\%([tp]\*\?\|author\)\?"
\ nextgroup=texRefOption,texCite
endif
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" }}}1
" {{{1 Add support for cleveref package
if get(g:, 'tex_fast', 'r') =~# 'r'
syntax region texRefZone matchgroup=texStatement
\ start="\\\(\(label\)\?c\(page\)\?\|C\|auto\)ref{"
\ end="}\|%stopzone\>"
\ contains=@texRefGroup
" \crefrange, \cpagerefrange (these commands expect two arguments)
syntax match texStatement
\ '\\c\(page\)\?refrange\>'
\ nextgroup=texRefRangeStart skipwhite skipnl
syntax region texRefRangeStart
\ start="{"rs=s+1 end="}"
\ matchgroup=Delimiter
\ contained contains=texRefZone
\ nextgroup=texRefRangeEnd skipwhite skipnl
syntax region texRefRangeEnd
\ start="{"rs=s+1 end="}"
\ matchgroup=Delimiter
\ contained contains=texRefZone
highlight link texRefRangeStart texRefZone
highlight link texRefRangeEnd texRefZone
endif
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" }}}1
" {{{1 Add support for listings package
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syntax region texZone
\ start="\\begin{lstlisting}"rs=s
\ end="\\end{lstlisting}\|%stopzone\>"re=e
\ keepend
\ contains=texBeginEnd
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syntax match texInputFile
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\ "\\lstinputlisting\s*\(\[.*\]\)\={.\{-}}"
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\ contains=texStatement,texInputCurlies,texInputFileOpt
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syntax match texZone "\\lstinline\s*\(\[.*\]\)\={.\{-}}"
" }}}1
" {{{1 Nested syntax highlighting for dot
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unlet b:current_syntax
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syntax include @DOT syntax/dot.vim
syntax region texZone
\ start="\\begin{dot2tex}"rs=s
\ end="\\end{dot2tex}"re=e
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\ keepend
\ transparent
\ contains=texBeginEnd,@DOT
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let b:current_syntax = 'tex'
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" }}}1
" {{{1 Nested syntax highlighting for lualatex
unlet b:current_syntax
syntax include @LUA syntax/lua.vim
syntax region texZone
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\ start='\\begin{luacode\*\?}'rs=s
\ end='\\end{luacode\*\?}'re=e
\ keepend
\ transparent
\ contains=texBeginEnd,@LUA
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syntax region texZone
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\ start='\\\(directlua\|luadirect\){'rs=s
\ end='}'re=e
\ keepend
\ transparent
\ contains=texBeginEnd,@LUA
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let b:current_syntax = 'tex'
" }}}1
" {{{1 Nested syntax highlighting for minted
" First set all minted environments to listings
syntax region texZone
\ start="\\begin{minted}\_[^}]\{-}{\w\+}"rs=s
\ end="\\end{minted}"re=e
\ keepend
\ contains=texMinted
" Next add nested syntax support for desired languages
for entry in get(g:, 'vimtex_syntax_minted', [])
let lang = entry.lang
let syntax = get(entry, 'syntax', lang)
unlet b:current_syntax
execute 'syntax include @' . toupper(lang) 'syntax/' . syntax . '.vim'
if has_key(entry, 'ignore')
execute 'syntax cluster' toupper(lang)
\ 'remove=' . join(entry.ignore, ',')
endif
execute 'syntax region texZone'
\ 'start="\\begin{minted}\_[^}]\{-}{' . lang . '}"rs=s'
\ 'end="\\end{minted}"re=e'
\ 'keepend'
\ 'transparent'
\ 'contains=texMinted,@' . toupper(lang)
"
" Support for custom environment names
"
for env in get(entry, 'environments', [])
execute 'syntax region texZone'
\ 'start="\\begin{' . env . '}"rs=s'
\ 'end="\\end{' . env . '}"re=e'
\ 'keepend'
\ 'transparent'
\ 'contains=texBeginEnd,@' . toupper(lang)
" Match starred environments with options
execute 'syntax region texZone'
\ 'start="\\begin{' . env . '\*}\s*{\_.\{-}}"rs=s'
\ 'end="\\end{' . env . '\*}"re=e'
\ 'keepend'
\ 'transparent'
\ 'contains=texMintedStarred,texBeginEnd,@' . toupper(lang)
execute 'syntax match texMintedStarred'
\ '"\\begin{' . env . '\*}\s*{\_.\{-}}"'
\ 'contains=texBeginEnd,texDelimiter'
endfor
endfor
let b:current_syntax = 'tex'
syntax match texMinted '\\begin{minted}\_[^}]\{-}{\w\+}'
\ contains=texBeginEnd,texMintedName
syntax match texMinted '\\end{minted}'
\ contains=texBeginEnd
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syntax match texMintedName '{\w\+}' contained
highlight link texMintedName texBeginEndName
" }}}1
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" vim: fdm=marker sw=2