37 lines
1.7 KiB
VimL
37 lines
1.7 KiB
VimL
" Highlighting literate directives in C++ sources.
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function! HighlightTangledFile()
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" Tangled comments only make sense in the sources and are stripped out of
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" the generated .cc file. They're highlighted same as regular comments.
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syntax match tangledComment /\/\/:.*/ | highlight link tangledComment Comment
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syntax match tangledSalientComment /\/\/::.*/ | highlight link tangledSalientComment SalientComment
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set comments-=://
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set comments-=n://
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set comments+=n://:,n://
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" Inside tangle scenarios.
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syntax region tangleDirective start=+:(+ skip=+".*"+ end=+)+
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highlight link tangleDirective Delimiter
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syntax match traceContains /^+.*/
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highlight traceContains ctermfg=darkgreen
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syntax match traceAbsent /^-.*/
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highlight traceAbsent ctermfg=darkred
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syntax match tangleScenarioSetup /^\s*% .*/ | highlight link tangleScenarioSetup SpecialChar
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" Our C++ files can have Mu code in scenarios, so highlight Mu comments like
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" regular comments.
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syntax match muComment /#.*$/
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highlight link muComment Comment
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syntax match muSalientComment /##.*$/ | highlight link muSalientComment SalientComment
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syntax match muCommentedCode /#? .*$/ | highlight link muCommentedCode CommentedCode
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set comments+=n:#
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endfunction
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augroup LocalVimrc
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autocmd BufRead,BufNewFile *.cc call HighlightTangledFile()
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augroup END
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" Scenarios considered:
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" opening or starting vim with a new or existing file without an extension (should interpret as C++)
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" starting vim or opening a buffer without a file name (ok to do nothing)
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" opening a second file in a new or existing window (shouldn't mess up existing highlighting)
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" reloading an existing file (shouldn't mess up existing highlighting)
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