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Add syntax based folding for block comments #69

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Add syntax based folding for block comments #69

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16 changes: 12 additions & 4 deletions syntax/racket.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -605,13 +605,21 @@ syn region racketQuoted matchgroup=Delimiter start="#['`]("rs=s+3 matchgroup=Del

" Comments
syn match racketComment /;.*$/ contains=racketTodo,racketNote,@Spell
syn region racketMultilineComment start=/#|/ end=/|#/ contains=racketMultilineComment,racketTodo,racketNote,@Spell

if exists("racket_no_comment_fold")
syn region racketBlockComment start=/#|/ end=/|#/ contains=racketBlockComment,racketTodo,racketNote,@Spell
else
syn region racketBlockComment start=/#|/ end=/|#/ contains=racketBlockComment,racketTodo,racketNote,@Spell fold
syn region racketMultilineComment start="^\s*;" end="^\%(\s*;\)\@!" contains=racketComment transparent keepend fold
endif

syn keyword racketTodo FIXME TODO XXX contained
syntax match racketNote /\CNOTE\ze:\?/ contained

syn cluster racketNormal add=racketQuoted,racketComment,racketMultilineComment
syn cluster racketQuotedOrNormal add=racketComment,racketMultilineComment
syn cluster racketComments contains=racketComment,racketBlockComment,racketMultilineComment

syn cluster racketNormal add=racketQuoted,@racketComments
syn cluster racketQuotedOrNormal add=@racketComments


" Synchronization and the wrapping up...
Expand Down Expand Up @@ -648,7 +656,7 @@ if version >= 508 || !exists("did_racket_syntax_inits")
HiLink racketConstant Constant

HiLink racketComment Comment
HiLink racketMultilineComment Comment
HiLink racketBlockComment Comment
HiLink racketTodo Todo
HiLink racketNote SpecialComment
HiLink racketError Error
Expand Down