" Syntax highlighting for snippet files (used for UltiSnips.vim) " Revision: 26/03/11 19:53:33 if exists("b:current_syntax") finish endif if expand("%:p:h:t") == "snippets" && search("^endsnippet", "nw") == 0 \ && !exists("b:ultisnips_override_snipmate") " this appears to be a snipmate file " It's in a directory called snippets/ and there's no endsnippet keyword " anywhere in the file. source :h/snippets_snipmate.vim finish endif " Embedded Syntaxes {{{1 try 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 catch /E403/ " Ignore errors about syntax files that can't be loaded more than once endtry " 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="^\zeendsnippet\s*$" contains=snipSnippetHeader nextgroup=snipSnippetFooter fold keepend syn match snipSnippetHeader "^.*$" nextgroup=snipSnippetBody,snipSnippetFooter skipnl contained contains=snipSnippetHeaderKeyword syn match snipSnippetHeaderKeyword "^snippet" contained nextgroup=snipSnippetTrigger skipwhite syn region snipSnippetBody start="\_." end="^\zeendsnippet\s*$" contained contains=snipLeadingSpaces,@snipTokens syn match snipSnippetFooter "^endsnippet.*" contained contains=snipSnippetFooterKeyword syn match snipSnippetFooterKeyword "^endsnippet" contained " The current parser is a bit lax about parsing. For example, given this: " snippet foo"bar" " it treats `foo"bar"` as the trigger. But with this: " snippet foo"bar baz" " it treats `foo` as the trigger and "bar baz" as the description. " I think this is an accident. Instead, we'll assume the description must " be surrounded by spaces. That means we'll treat " snippet foo"bar" " as a trigger `foo"bar"` and " snippet foo"bar baz" " as an attempted multiword snippet `foo"bar baz"` that is invalid. " NB: UltiSnips parses right-to-left, which Vim doesn't support, so that makes " the following patterns very complicated. syn match snipSnippetTrigger "\S\+" contained nextgroup=snipSnippetDocString,snipSnippetTriggerInvalid skipwhite " We want to match a trailing " as the start of a doc comment, but we also " want to allow for using " as the delimiter in a multiword/pattern snippet. " So we have to define this twice, once in the general case that matches a " trailing " as the doc comment, and once for the case of the multiword " delimiter using " that has more constraints syn match snipSnippetTrigger ,$[^"[: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="`" contained contains=snipPythonCommand,snipVimLCommand,snipShellCommand,snipCommandSyntaxOverride 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 syn cluster snipTokens add=snipCommand syn cluster snipTabStopTokens add=snipCommand " unfortunately due to the balanced braces parsing of commands, if a { occurs " in the command, we need to prevent the embedded syntax highlighting. " Otherwise, we can't track the balanced braces properly. syn region snipCommandSyntaxOverride start="\%(\\[{}\\$`]\|\_[^`"{]\)*\ze{" skip="\\[{}\\$`]" end="\ze`" contained contains=snipBalancedBraces transparent " Tab Stops {{{4 syn match snipEscape "\\[{}\\$`]" contained syn cluster snipTokens add=snipEscape syn cluster snipTabStopTokens add=snipEscape syn match snipMirror "\$\d\+" contained syn cluster snipTokens add=snipMirror syn cluster snipTabStopTokens add=snipMirror syn region snipTabStop matchgroup=snipTabStop start="\${\d\+[:}]\@=" end="}" contained contains=snipTabStopDefault extend syn region snipTabStopDefault matchgroup=snipTabStop start=":" skip="\\[{}]" end="\ze}" contained contains=snipTabStopEscape,snipBalancedBraces,@snipTabStopTokens keepend syn match snipTabStopEscape "\\[{}]" contained syn region snipBalancedBraces start="{" end="}" contained transparent extend syn cluster snipTokens add=snipTabStop syn cluster snipTabStopTokens add=snipTabStop syn region snipVisual matchgroup=snipVisual start="\${VISUAL[:}/]\@=" end="}" contained contains=snipVisualDefault,snipTransformationPattern syn region snipVisualDefault matchgroup=snipVisual start=":" end="\ze[}/]" contained contains=snipTabStopEscape nextgroup=snipTransformationPattern syn cluster snipTokens add=snipVisual syn cluster snipTabStopTokens add=snipVisual syn region snipTransformation matchgroup=snipTransformation start="\${\d\/\@=" end="}" contained contains=snipTransformationPattern syn region snipTransformationPattern matchgroup=snipTransformationPatternDelim start="/" end="\ze/" contained contains=snipTransformationEscape nextgroup=snipTransformationReplace skipnl syn region snipTransformationReplace matchgroup=snipTransformationPatternDelim start="/" end="/" contained contains=snipTransformationEscape nextgroup=snipTransformationOptions skipnl syn region snipTransformationOptions start="\ze[^}]" end="\ze}" contained contains=snipTabStopEscape syn match snipTransformationEscape "\\/" contained syn cluster snipTokens add=snipTransformation syn cluster snipTabStopTokens add=snipTransformation " global {{{3 " Generic (non-Python) {{{4 syn region snipGlobal start="^global\_s" end="^\zeendglobal\s*$" contains=snipGlobalHeader nextgroup=snipGlobalFooter fold keepend syn match snipGlobalHeader "^.*$" nextgroup=snipGlobalBody,snipGlobalFooter skipnl contained contains=snipGlobalHeaderKeyword syn region snipGlobalBody start="\_." end="^\zeendglobal\s*$" contained contains=snipLeadingSpaces " Python (!p) {{{4 syn region snipGlobal start=,^global\s\+!p\%(\s\+"[^"]*\%("\s\+[^"[:space:]]\+\|"\)\=\)\=\s*$, end=,^\zeendglobal\s*$, contains=snipGlobalPHeader nextgroup=snipGlobalFooter 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 " 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 link snipTODO Todo hi def snipLeadingSpaces term=reverse ctermfg=15 ctermbg=4 gui=reverse guifg=#dc322f 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 snipVimLCommand snipCommand hi def link snipPythonCommandP PreProc hi def link snipVimLCommandV PreProc hi def link snipEscape Special hi def link snipMirror StorageClass hi def link snipTabStop Define hi def link snipTabStopDefault String hi def link snipTabStopEscape Special hi def link snipVisual snipTabStop hi def link snipVisualDefault snipTabStopDefault hi def link snipTransformation snipTabStop hi def link snipTransformationPattern String hi def link snipTransformationPatternDelim Operator hi def link snipTransformationReplace String hi def link snipTransformationEscape snipEscape hi def link snipTransformationOptions Operator hi def link snipPriorityKeyword Keyword hi def link snipPriorityValue Number hi def link snipClearKeyword Keyword " }}}1 let b:current_syntax = "snippets"