xref: /vim-8.2.3635/runtime/syntax/rmd.vim (revision db6ea063)
1" markdown Text with R statements
2" Language: markdown with R code chunks
3" Last Change: Wed Jul 09, 2014  10:29PM
4"
5" CONFIGURATION:
6"   To highlight chunk headers as R code, put in your vimrc:
7"   let rmd_syn_hl_chunk = 1
8
9" for portability
10if version < 600
11  syntax clear
12elseif exists("b:current_syntax")
13  finish
14endif
15
16" load all of pandoc info
17runtime syntax/pandoc.vim
18if exists("b:current_syntax")
19  let rmdIsPandoc = 1
20  unlet b:current_syntax
21else
22  let rmdIsPandoc = 0
23  runtime syntax/markdown.vim
24  if exists("b:current_syntax")
25    unlet b:current_syntax
26  endif
27endif
28
29" load all of the r syntax highlighting rules into @R
30syntax include @R syntax/r.vim
31if exists("b:current_syntax")
32  unlet b:current_syntax
33endif
34
35if exists("g:rmd_syn_hl_chunk")
36  " highlight R code inside chunk header
37  syntax match rmdChunkDelim "^[ \t]*```{r" contained
38  syntax match rmdChunkDelim "}$" contained
39else
40  syntax match rmdChunkDelim "^[ \t]*```{r.*}$" contained
41endif
42syntax match rmdChunkDelim "^[ \t]*```$" contained
43syntax region rmdChunk start="^[ \t]*``` *{r.*}$" end="^[ \t]*```$" contains=@R,rmdChunkDelim keepend fold
44
45" also match and syntax highlight in-line R code
46syntax match rmdEndInline "`" contained
47syntax match rmdBeginInline "`r " contained
48syntax region rmdrInline start="`r "  end="`" contains=@R,rmdBeginInline,rmdEndInline keepend
49
50" match slidify special marker
51syntax match rmdSlidifySpecial "\*\*\*"
52
53
54if rmdIsPandoc == 0
55  syn match rmdBlockQuote /^\s*>.*\n\(.*\n\@<!\n\)*/ skipnl
56  " LaTeX
57  syntax include @LaTeX syntax/tex.vim
58  if exists("b:current_syntax")
59    unlet b:current_syntax
60  endif
61  " Inline
62  syntax match rmdLaTeXInlDelim "\$"
63  syntax match rmdLaTeXInlDelim "\\\$"
64  syn region texMathZoneX	matchgroup=Delimiter start="\$" skip="\\\\\|\\\$"	matchgroup=Delimiter end="\$" end="%stopzone\>"	contains=@texMathZoneGroup
65  " Region
66  syntax match rmdLaTeXRegDelim "\$\$" contained
67  syntax match rmdLaTeXRegDelim "\$\$latex$" contained
68  syntax region rmdLaTeXRegion start="^\$\$" skip="\\\$" end="\$\$$" contains=@LaTeX,rmdLaTeXSt,rmdLaTeXRegDelim keepend
69  syntax region rmdLaTeXRegion2 start="^\\\[" end="\\\]" contains=@LaTeX,rmdLaTeXSt,rmdLaTeXRegDelim keepend
70  hi def link rmdLaTeXSt Statement
71  hi def link rmdLaTeXInlDelim Special
72  hi def link rmdLaTeXRegDelim Special
73endif
74
75setlocal iskeyword=@,48-57,_,.
76
77syn sync match rmdSyncChunk grouphere rmdChunk "^[ \t]*``` *{r"
78
79hi def link rmdChunkDelim Special
80hi def link rmdBeginInline Special
81hi def link rmdEndInline Special
82hi def link rmdBlockQuote Comment
83hi def link rmdSlidifySpecial Special
84
85let b:current_syntax = "rmd"
86
87" vim: ts=8 sw=2
88