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" Vim syntax file " Language: Go " Maintainer: David Barnett (https://github.com/google/vim-ft-go) " Last Change: 2014 Aug 16 " Options: " There are some options for customizing the highlighting; the recommended " settings are the default values, but you can write: " let OPTION_NAME = 0 " in your ~/.vimrc file to disable particular options. You can also write: " let OPTION_NAME = 1 " to enable particular options. At present, all options default to on. " " - g:go_highlight_array_whitespace_error " Highlights white space after "[]". " - g:go_highlight_chan_whitespace_error " Highlights white space around the communications operator that don't " follow the standard style. " - g:go_highlight_extra_types " Highlights commonly used library types (io.Reader, etc.). " - g:go_highlight_space_tab_error " Highlights instances of tabs following spaces. " - g:go_highlight_trailing_whitespace_error " Highlights trailing white space. " Quit when a (custom) syntax file was already loaded if exists('b:current_syntax') finish endif if !exists('g:go_highlight_array_whitespace_error') let g:go_highlight_array_whitespace_error = 1 endif if !exists('g:go_highlight_chan_whitespace_error') let g:go_highlight_chan_whitespace_error = 1 endif if !exists('g:go_highlight_extra_types') let g:go_highlight_extra_types = 1 endif if !exists('g:go_highlight_space_tab_error') let g:go_highlight_space_tab_error = 1 endif if !exists('g:go_highlight_trailing_whitespace_error') let g:go_highlight_trailing_whitespace_error = 1 endif syn case match syn keyword goDirective package import syn keyword goDeclaration var const type syn keyword goDeclType struct interface hi def link goDirective Statement hi def link goDeclaration Keyword hi def link goDeclType Keyword " Keywords within functions syn keyword goStatement defer go goto return break continue fallthrough syn keyword goConditional if else switch select syn keyword goLabel case default syn keyword goRepeat for range hi def link goStatement Statement hi def link goConditional Conditional hi def link goLabel Label hi def link goRepeat Repeat " Predefined types syn keyword goType chan map bool string error syn keyword goSignedInts int int8 int16 int32 int64 rune syn keyword goUnsignedInts byte uint uint8 uint16 uint32 uint64 uintptr syn keyword goFloats float32 float64 syn keyword goComplexes complex64 complex128 hi def link goType Type hi def link goSignedInts Type hi def link goUnsignedInts Type hi def link goFloats Type hi def link goComplexes Type " Treat func specially: it's a declaration at the start of a line, but a type " elsewhere. Order matters here. syn match goType /\<func\>/ syn match goDeclaration /^func\>/ " Predefined functions and values syn keyword goBuiltins append cap close complex copy delete imag len syn keyword goBuiltins make new panic print println real recover syn keyword goConstants iota true false nil hi def link goBuiltins Keyword hi def link goConstants Keyword " Comments; their contents syn keyword goTodo contained TODO FIXME XXX BUG syn cluster goCommentGroup contains=goTodo syn region goComment start="/\*" end="\*/" contains=@goCommentGroup,@Spell syn region goComment start="//" end="$" contains=@goCommentGroup,@Spell hi def link goComment Comment hi def link goTodo Todo " Go escapes syn match goEscapeOctal display contained "\\[0-7]\{3}" syn match goEscapeC display contained +\\[abfnrtv\\'"]+ syn match goEscapeX display contained "\\x\x\{2}" syn match goEscapeU display contained "\\u\x\{4}" syn match goEscapeBigU display contained "\\U\x\{8}" syn match goEscapeError display contained +\\[^0-7xuUabfnrtv\\'"]+ hi def link goEscapeOctal goSpecialString hi def link goEscapeC goSpecialString hi def link goEscapeX goSpecialString hi def link goEscapeU goSpecialString hi def link goEscapeBigU goSpecialString hi def link goSpecialString Special hi def link goEscapeError Error " Strings and their contents syn cluster goStringGroup contains=goEscapeOctal,goEscapeC,goEscapeX,goEscapeU,goEscapeBigU,goEscapeError syn region goString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@goStringGroup syn region goRawString start=+`+ end=+`+ hi def link goString String hi def link goRawString String " Characters; their contents syn cluster goCharacterGroup contains=goEscapeOctal,goEscapeC,goEscapeX,goEscapeU,goEscapeBigU syn region goCharacter start=+'+ skip=+\\\\\|\\'+ end=+'+ contains=@goCharacterGroup hi def link goCharacter Character " Regions syn region goBlock start="{" end="}" transparent fold syn region goParen start='(' end=')' transparent " Integers syn match goDecimalInt "\<\d\+\([Ee]\d\+\)\?\>" syn match goHexadecimalInt "\<0x\x\+\>" syn match goOctalInt "\<0\o\+\>" syn match goOctalError "\<0\o*[89]\d*\>" hi def link goDecimalInt Integer hi def link goHexadecimalInt Integer hi def link goOctalInt Integer hi def link Integer Number " Floating point syn match goFloat "\<\d\+\.\d*\([Ee][-+]\d\+\)\?\>" syn match goFloat "\<\.\d\+\([Ee][-+]\d\+\)\?\>" syn match goFloat "\<\d\+[Ee][-+]\d\+\>" hi def link goFloat Float " Imaginary literals syn match goImaginary "\<\d\+i\>" syn match goImaginary "\<\d\+\.\d*\([Ee][-+]\d\+\)\?i\>" syn match goImaginary "\<\.\d\+\([Ee][-+]\d\+\)\?i\>" syn match goImaginary "\<\d\+[Ee][-+]\d\+i\>" hi def link goImaginary Number " Spaces after "[]" if go_highlight_array_whitespace_error != 0 syn match goSpaceError display "\(\[\]\)\@<=\s\+" endif " Spacing errors around the 'chan' keyword if go_highlight_chan_whitespace_error != 0 " receive-only annotation on chan type syn match goSpaceError display "\(<-\)\@<=\s\+\(chan\>\)\@=" " send-only annotation on chan type syn match goSpaceError display "\(\<chan\)\@<=\s\+\(<-\)\@=" " value-ignoring receives in a few contexts syn match goSpaceError display "\(\(^\|[={(,;]\)\s*<-\)\@<=\s\+" endif " Extra types commonly seen if go_highlight_extra_types != 0 syn match goExtraType /\<bytes\.\(Buffer\)\>/ syn match goExtraType /\<io\.\(Reader\|Writer\|ReadWriter\|ReadWriteCloser\)\>/ syn match goExtraType /\<reflect\.\(Kind\|Type\|Value\)\>/ syn match goExtraType /\<unsafe\.Pointer\>/ endif " Space-tab error if go_highlight_space_tab_error != 0 syn match goSpaceError display " \+\t"me=e-1 endif " Trailing white space error if go_highlight_trailing_whitespace_error != 0 syn match goSpaceError display excludenl "\s\+$" endif hi def link goExtraType Type hi def link goSpaceError Error " Search backwards for a global declaration to start processing the syntax. "syn sync match goSync grouphere NONE /^\(const\|var\|type\|func\)\>/ " There's a bug in the implementation of grouphere. For now, use the " following as a more expensive/less precise workaround. syn sync minlines=500 let b:current_syntax = 'go' " vim: sw=2 sts=2 et