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Diffstat (limited to 'misc/vim/syntax/go.vim')
| -rw-r--r-- | misc/vim/syntax/go.vim | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/misc/vim/syntax/go.vim b/misc/vim/syntax/go.vim new file mode 100644 index 000000000..26d7defe3 --- /dev/null +++ b/misc/vim/syntax/go.vim @@ -0,0 +1,208 @@ +" Copyright 2009 The Go Authors. All rights reserved. +" Use of this source code is governed by a BSD-style +" license that can be found in the LICENSE file. +" +" go.vim: Vim syntax file for Go. +" +" 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. +" +" - go_highlight_array_whitespace_error +" Highlights white space after "[]". +" - go_highlight_chan_whitespace_error +" Highlights white space around the communications operator that don't follow +" the standard style. +" - go_highlight_extra_types +" Highlights commonly used library types (os.Error, etc.). +" - go_highlight_space_tab_error +" Highlights instances of tabs following spaces. +" - 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("go_highlight_array_whitespace_error") + let go_highlight_array_whitespace_error = 1 +endif +if !exists("go_highlight_chan_whitespace_error") + let go_highlight_chan_whitespace_error = 1 +endif +if !exists("go_highlight_extra_types") + let go_highlight_extra_types = 1 +endif +if !exists("go_highlight_space_tab_error") + let go_highlight_space_tab_error = 1 +endif +if !exists("go_highlight_trailing_whitespace_error") + let 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 +syn keyword goSignedInts int int8 int16 int32 int64 +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 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 /\<\(os\.Error\)\>/ + 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" |