| " 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\.\w*\(Type\|Value\)\>/ |
| 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" |
