" Syntax highlighting for snippet files (used for UltiSnips.vim) " Revision: 26/03/11 19:53:33 if exists("b:current_syntax") finish endif " Embedded Syntaxes {{{1 syntax include @Python syntax/python.vim unlet b:current_syntax syntax include @Viml syntax/vim.vim unlet b:current_syntax syntax include @Shell syntax/sh.vim unlet b:current_syntax " Syntax definitions {{{1 " Comments {{{2 syn match snipComment "^#.*" contains=snipTODO display syn keyword snipTODO contained display FIXME NOTE NOTES TODO XXX " Errors {{{2 syn match snipLeadingSpaces "^\t* \+" contained " Extends {{{2 syn match snipExtends "^extends\%(\s.*\|$\)" contains=snipExtendsKeyword display syn match snipExtendsKeyword "^extends" contained display " Definitions {{{2 " snippet {{{3 syn region snipSnippet start="^snippet\_s" end="^endsnippet\s*$" contains=snipSnippetHeader fold keepend syn match snipSnippetHeader "^.*$" nextgroup=snipSnippetBody,snipSnippetFooter skipnl contained contains=snipSnippetHeaderKeyword syn match snipSnippetHeaderKeyword "^snippet" contained nextgroup=snipSnippetTrigger skipwhite syn region snipSnippetBody start="\_." end="^\zeendsnippet\s*$" contained contains=snipLeadingSpaces,snipCommand,snipVarExpansion,snipVar,snipVisual nextgroup=snipSnippetFooter syn match snipSnippetFooter "^endsnippet.*" contained contains=snipSnippetFooterKeyword syn match snipSnippetFooterKeyword "^endsnippet" contained " The current parser is a bit lax about parsing. For example, given this: " snippet foo"bar" " it treats `foo"bar"` as the trigger. But with this: " snippet foo"bar baz" " it treats `foo` as the trigger and "bar baz" as the description. " I think this is an accident. Instead, we'll assume the description must " be surrounded by spaces. That means we'll treat " snippet foo"bar" " as a trigger `foo"bar"` and " snippet foo"bar baz" " as an attempted multiword snippet `foo"bar baz"` that is invalid. " NB: UltiSnips parses right-to-left, which Vim doesn't support, so that makes " the following patterns very complicated. syn match snipSnippetTrigger "\S\+" contained nextgroup=snipSnippetDocString,snipSnippetTriggerInvalid skipwhite " We want to match a trailing " as the start of a doc comment, but we also " want to allow for using " as the delimiter in a multiword/pattern snippet. " So we have to define this twice, once in the general case that matches a " trailing " as the doc comment, and once for the case of the multiword " delimiter using " that has more constraints syn match snipSnippetTrigger ,\([^"[:space:]]\).\{-}\1\%(\s*$\)\@!\ze\%(\s\+"[^"]*\%("\s\+[^"[:space:]]\+\|"\)\=\)\=\s*$, contained nextgroup=snipSnippetDocString skipwhite syn match snipSnippetTrigger ,".\{-}"\ze\%(\s\+"\%(\s*\S\)\@=[^"]*\%("\s\+[^"[:space:]]\+\|"\)\=\)\=\s*$, contained nextgroup=snipSnippetDocString skipwhite syn match snipSnippetTriggerInvalid ,\S\@=.\{-}\S\ze\%(\s\+"[^"]*\%("\s\+[^"[:space:]]\+\s*\|"\s*\)\=\|\s*\)$, contained nextgroup=snipSnippetDocString skipwhite syn match snipSnippetDocString ,"[^"]*\%("\ze\s*\%(\s[^"[:space:]]\+\s*\)\=\)\=$, contained nextgroup=snipSnippetOptions skipwhite syn match snipSnippetOptions ,\S\+, contained contains=snipSnippetOptionFlag syn match snipSnippetOptionFlag ,[biwrts], contained " Command substitution {{{4 syn region snipCommand keepend matchgroup=snipCommandDelim start="`" skip="\\[{}\\$`]" end="`" contains=snipPythonCommand,snipVimLCommand,snipShellCommand syn region snipShellCommand start="\ze\_." skip="\\[{}\\$`]" end="\ze`" contained contains=@Shell syn region snipPythonCommand matchgroup=snipPythonCommandP start="`\@<=!p\_s" skip="\\[{}\\$`]" end="\ze`" contained contains=@Python syn region snipVimLCommand matchgroup=snipVimLCommandV start="`\@<=!v\_s" skip="\\[{}\\$`]" end="\ze`" contained contains=@Viml " Variables {{{4 syn match snipVar "\$\d*" contained syn region snipVisual matchgroup=Define start="\${VISUAL" end="}" contained syn region snipVarExpansion matchgroup=Define start="\${\d*" end="}" contained contains=snipVar,snipVarExpansion,snipCommand " global {{{3 " Generic (non-Python) {{{4 syn region snipGlobal start="^global\_s" end="^endglobal\s*$" contains=snipGlobalHeader fold keepend syn match snipGlobalHeader "^.*$" nextgroup=snipGlobalBody,snipGlobalFooter skipnl contained contains=snipGlobalHeaderKeyword syn region snipGlobalBody start="\_." end="^\zeendglobal\s*$" contained contains=snipLeadingSpaces nextgroup=snipGlobalFooter " Python (!p) {{{4 syn region snipGlobal start=,^global\s\+!p\%(\s\+"[^"]*\%("\s\+[^"[:space:]]\+\|"\)\=\)\=\s*$, end=,^endglobal\s*$, contains=snipGlobalPHeader fold keepend syn match snipGlobalPHeader "^.*$" nextgroup=snipGlobalPBody,snipGlobalFooter skipnl contained contains=snipGlobalHeaderKeyword syn match snipGlobalHeaderKeyword "^global" contained nextgroup=snipSnippetTrigger skipwhite syn region snipGlobalPBody start="\_." end="^\zeendglobal\s*$" contained contains=@Python nextgroup=snipGlobalFooter " Common {{{4 syn match snipGlobalFooter "^endglobal.*" contained contains=snipGlobalFooterKeyword syn match snipGlobalFooterKeyword "^endglobal" contained " priority {{{3 syn match snipPriority "^priority\%(\s.*\|$\)" contains=snipPriorityKeyword display syn match snipPriorityKeyword "^priority" contained nextgroup=snipPriorityValue skipwhite display syn match snipPriorityValue "-\?\d\+" contained display " Snippt Clearing {{{2 syn match snipClear "^clearsnippets\%(\s.*\|$\)" contains=snipClearKeyword display syn match snipClearKeyword "^clearsnippets" contained display " Highlight groups {{{1 hi def link snipComment Comment hi def snipLeadingSpaces term=reverse ctermfg=15 ctermbg=4 gui=reverse guifg=#dc322f hi def link snipString String hi def link snipDocString String hi def link snipKeyword Keyword hi def link snipExtendsKeyword snipKeyword hi def link snipSnippetHeaderKeyword snipKeyword hi def link snipSnippetFooterKeyword snipKeyword hi def link snipSnippetTrigger Identifier hi def link snipSnippetTriggerInvalid Error hi def link snipSnippetDocString String hi def link snipSnippetOptionFlag Special hi def link snipGlobalHeaderKeyword snipKeyword hi def link snipGlobalFooterKeyword snipKeyword hi def link snipCommand Special hi def link snipCommandDelim snipCommand hi def link snipShellCommand snipCommand hi def link snipPythonCommand snipCommand hi def link snipVimLCommand snipCommand hi def link snipPythonCommandP PreProc hi def link snipVimLCommandV PreProc hi def link snipVar StorageClass hi def link snipVarExpansion Normal hi def link snipVisual Normal hi def link snipSnippet Normal hi def link snipPriorityKeyword Keyword hi def link snipPriorityValue Number hi def link snipClearKeyword Keyword " }}}1 let b:current_syntax = "snippets"