397 lines
14 KiB
VimL
397 lines
14 KiB
VimL
" 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 off:
|
|
"
|
|
" - 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 (io.Reader, etc.).
|
|
" - go_highlight_space_tab_error
|
|
" Highlights instances of tabs following spaces.
|
|
" - go_highlight_trailing_whitespace_error
|
|
" Highlights trailing white space.
|
|
" - go_highlight_string_spellcheck
|
|
" Specifies that strings should be spell checked
|
|
" - go_highlight_format_strings
|
|
" Highlights printf-style operators inside string literals.
|
|
|
|
" 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 = 0
|
|
endif
|
|
|
|
if !exists("g:go_highlight_chan_whitespace_error")
|
|
let g:go_highlight_chan_whitespace_error = 0
|
|
endif
|
|
|
|
if !exists("g:go_highlight_extra_types")
|
|
let g:go_highlight_extra_types = 0
|
|
endif
|
|
|
|
if !exists("g:go_highlight_space_tab_error")
|
|
let g:go_highlight_space_tab_error = 0
|
|
endif
|
|
|
|
if !exists("g:go_highlight_trailing_whitespace_error")
|
|
let g:go_highlight_trailing_whitespace_error = 0
|
|
endif
|
|
|
|
if !exists("g:go_highlight_operators")
|
|
let g:go_highlight_operators = 0
|
|
endif
|
|
|
|
if !exists("g:go_highlight_functions")
|
|
let g:go_highlight_functions = 0
|
|
endif
|
|
|
|
if !exists("g:go_highlight_methods")
|
|
let g:go_highlight_methods = 0
|
|
endif
|
|
|
|
if !exists("g:go_highlight_fields")
|
|
let g:go_highlight_fields = 0
|
|
endif
|
|
|
|
if !exists("g:go_highlight_types")
|
|
let g:go_highlight_types = 0
|
|
endif
|
|
|
|
if !exists("g:go_highlight_build_constraints")
|
|
let g:go_highlight_build_constraints = 0
|
|
endif
|
|
|
|
if !exists("g:go_highlight_string_spellcheck")
|
|
let g:go_highlight_string_spellcheck = 1
|
|
endif
|
|
|
|
if !exists("g:go_highlight_format_strings")
|
|
let g:go_highlight_format_strings = 1
|
|
endif
|
|
|
|
if !exists("g:go_highlight_generate_tags")
|
|
let g:go_highlight_generate_tags = 0
|
|
endif
|
|
|
|
syn case match
|
|
|
|
syn keyword goDirective package import
|
|
syn keyword goDeclaration var const
|
|
|
|
hi def link goDirective Statement
|
|
hi def link goDeclaration 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
|
|
|
|
|
|
" Predefined functions and values
|
|
syn match goBuiltins /\<\v(append|cap|close|complex|copy|delete|imag|len)\ze\(/
|
|
syn match goBuiltins /\<\v(make|new|panic|print|println|real|recover)\ze\(/
|
|
syn keyword goBoolean true false
|
|
syn keyword goPredefinedIdentifiers nil iota
|
|
|
|
hi def link goBuiltins Keyword
|
|
hi def link goBoolean Boolean
|
|
hi def link goPredefinedIdentifiers goBoolean
|
|
|
|
" 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=goGenerate,@goCommentGroup,@Spell
|
|
|
|
hi def link goComment Comment
|
|
hi def link goTodo Todo
|
|
|
|
if g:go_highlight_generate_tags != 0
|
|
syn match goGenerateVariables contained /\(\$GOARCH\|\$GOOS\|\$GOFILE\|\$GOLINE\|\$GOPACKAGE\|\$DOLLAR\)\>/
|
|
syn region goGenerate start="^\s*//go:generate" end="$" contains=goGenerateVariables
|
|
hi def link goGenerate PreProc
|
|
hi def link goGenerateVariables Special
|
|
endif
|
|
|
|
" 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
|
|
if g:go_highlight_string_spellcheck != 0
|
|
syn region goString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@goStringGroup,@Spell
|
|
syn region goRawString start=+`+ end=+`+ contains=@Spell
|
|
else
|
|
syn region goString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@goStringGroup
|
|
syn region goRawString start=+`+ end=+`+
|
|
endif
|
|
|
|
if g:go_highlight_format_strings != 0
|
|
syn match goFormatSpecifier /\([^%]\(%%\)*\)\@<=%[-#0 +]*\%(\*\|\d\+\)\=\%(\.\%(\*\|\d\+\)\)*[vTtbcdoqxXUeEfgGsp]/ contained containedin=goString
|
|
hi def link goFormatSpecifier goSpecialString
|
|
endif
|
|
|
|
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 "\<-\=0[xX]\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 goOctalError Error
|
|
hi def link Integer Number
|
|
|
|
" Floating point
|
|
syn match goFloat "\<-\=\d\+\.\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\+[Ee][-+]\=\d\+i\>"
|
|
syn match goImaginaryFloat "\<-\=\d\+\.\d*\%([Ee][-+]\=\d\+\)\=i\>"
|
|
syn match goImaginaryFloat "\<-\=\.\d\+\%([Ee][-+]\=\d\+\)\=i\>"
|
|
|
|
hi def link goImaginary Number
|
|
hi def link goImaginaryFloat Float
|
|
|
|
" Spaces after "[]"
|
|
if g:go_highlight_array_whitespace_error != 0
|
|
syn match goSpaceError display "\(\[\]\)\@<=\s\+"
|
|
endif
|
|
|
|
" Spacing errors around the 'chan' keyword
|
|
if g:go_highlight_chan_whitespace_error != 0
|
|
" receive-only annotation on chan type
|
|
"
|
|
" \(\<chan\>\)\@<!<- (only pick arrow when it doesn't come after a chan)
|
|
" this prevents picking up 'chan<- chan<-' but not '<- chan'
|
|
syn match goSpaceError display "\(\(\<chan\>\)\@<!<-\)\@<=\s\+\(\<chan\>\)\@="
|
|
|
|
" send-only annotation on chan type
|
|
"
|
|
" \(<-\)\@<!\<chan\> (only pick chan when it doesn't come after an arrow)
|
|
" this prevents picking up '<-chan <-chan' but not 'chan <-'
|
|
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 g:go_highlight_extra_types != 0
|
|
syn match goExtraType /\<bytes\.\(Buffer\)\>/
|
|
syn match goExtraType /\<io\.\(Reader\|ReadSeeker\|ReadWriter\|ReadCloser\|ReadWriteCloser\|Writer\|WriteCloser\|Seeker\)\>/
|
|
syn match goExtraType /\<reflect\.\(Kind\|Type\|Value\)\>/
|
|
syn match goExtraType /\<unsafe\.Pointer\>/
|
|
endif
|
|
|
|
" Space-tab error
|
|
if g:go_highlight_space_tab_error != 0
|
|
syn match goSpaceError display " \+\t"me=e-1
|
|
endif
|
|
|
|
" Trailing white space error
|
|
if g:go_highlight_trailing_whitespace_error != 0
|
|
syn match goSpaceError display excludenl "\s\+$"
|
|
endif
|
|
|
|
hi def link goExtraType Type
|
|
hi def link goSpaceError Error
|
|
|
|
|
|
|
|
" included from: https://github.com/athom/more-colorful.vim/blob/master/after/syntax/go.vim
|
|
"
|
|
" Comments; their contents
|
|
syn keyword goTodo contained NOTE
|
|
hi def link goTodo Todo
|
|
|
|
syn match goVarArgs /\.\.\./
|
|
|
|
" Operators;
|
|
if g:go_highlight_operators != 0
|
|
" match single-char operators: - + % < > ! & | ^ * =
|
|
" and corresponding two-char operators: -= += %= <= >= != &= |= ^= *= ==
|
|
syn match goOperator /[-+%<>!&|^*=]=\?/
|
|
" match / and /=
|
|
syn match goOperator /\/\%(=\|\ze[^/*]\)/
|
|
" match two-char operators: << >> &^
|
|
" and corresponding three-char operators: <<= >>= &^=
|
|
syn match goOperator /\%(<<\|>>\|&^\)=\?/
|
|
" match remaining two-char operators: := && || <- ++ --
|
|
syn match goOperator /:=\|||\|<-\|++\|--/
|
|
" match ...
|
|
|
|
hi def link goPointerOperator goOperator
|
|
hi def link goVarArgs goOperator
|
|
endif
|
|
hi def link goOperator Operator
|
|
|
|
" Functions;
|
|
if g:go_highlight_functions != 0
|
|
syn match goDeclaration /\<func\>/ nextgroup=goReceiver,goFunction skipwhite skipnl
|
|
syn match goReceiver /(\(\w\|[ *]\)\+)/ contained nextgroup=goFunction contains=goReceiverVar skipwhite skipnl
|
|
syn match goReceiverVar /\w\+/ nextgroup=goPointerOperator,goReceiverType skipwhite skipnl contained
|
|
syn match goPointerOperator /\*/ nextgroup=goReceiverType contained skipwhite skipnl
|
|
syn match goReceiverType /\w\+/ contained
|
|
syn match goFunction /\w\+/ contained
|
|
syn match goFunctionCall /\w\+\ze(/ contains=GoBuiltins,goDeclaration
|
|
else
|
|
syn keyword goDeclaration func
|
|
endif
|
|
hi def link goFunction Function
|
|
hi def link goFunctionCall Type
|
|
|
|
" Methods;
|
|
if g:go_highlight_methods != 0
|
|
syn match goMethodCall /\.\w\+\ze(/hs=s+1
|
|
endif
|
|
hi def link goMethodCall Type
|
|
|
|
" Fields;
|
|
if g:go_highlight_fields != 0
|
|
syn match goField /\.\w\+\([.\ \n\r\:\)\[,]\)\@=/hs=s+1
|
|
endif
|
|
hi def link goField Identifier
|
|
|
|
" Structs & Interfaces;
|
|
if g:go_highlight_types != 0
|
|
syn match goTypeConstructor /\<\w\+{/he=e-1
|
|
syn match goTypeDecl /\<type\>/ nextgroup=goTypeName skipwhite skipnl
|
|
syn match goTypeName /\w\+/ contained nextgroup=goDeclType skipwhite skipnl
|
|
syn match goDeclType /\<\(interface\|struct\)\>/ skipwhite skipnl
|
|
hi def link goReceiverType Type
|
|
else
|
|
syn keyword goDeclType struct interface
|
|
syn keyword goDeclaration type
|
|
endif
|
|
hi def link goTypeConstructor Type
|
|
hi def link goTypeName Type
|
|
hi def link goTypeDecl Keyword
|
|
hi def link goDeclType Keyword
|
|
|
|
" Build Constraints
|
|
if g:go_highlight_build_constraints != 0
|
|
syn match goBuildKeyword display contained "+build"
|
|
" Highlight the known values of GOOS, GOARCH, and other +build options.
|
|
syn keyword goBuildDirectives contained
|
|
\ android darwin dragonfly freebsd linux nacl netbsd openbsd plan9
|
|
\ solaris windows 386 amd64 amd64p32 arm armbe arm64 arm64be ppc64
|
|
\ ppc64le mips mipsle mips64 mips64le mips64p32 mips64p32le ppc
|
|
\ s390 s390x sparc sparc64 cgo ignore race
|
|
|
|
" Other words in the build directive are build tags not listed above, so
|
|
" avoid highlighting them as comments by using a matchgroup just for the
|
|
" start of the comment.
|
|
" The rs=s+2 option lets the \s*+build portion be part of the inner region
|
|
" instead of the matchgroup so it will be highlighted as a goBuildKeyword.
|
|
syn region goBuildComment matchgroup=goBuildCommentStart
|
|
\ start="//\s*+build\s"rs=s+2 end="$"
|
|
\ contains=goBuildKeyword,goBuildDirectives
|
|
hi def link goBuildCommentStart Comment
|
|
hi def link goBuildDirectives Type
|
|
hi def link goBuildKeyword PreProc
|
|
|
|
" One or more line comments that are followed immediately by a "package"
|
|
" declaration are treated like package documentation, so these must be
|
|
" matched as comments to avoid looking like working build constraints.
|
|
" The he, me, and re options let the "package" itself be highlighted by
|
|
" the usual rules.
|
|
syn region goPackageComment start=/\v(\/\/.*\n)+\s*package/
|
|
\ end=/\v\n\s*package/he=e-7,me=e-7,re=e-7
|
|
\ contains=@goCommentGroup,@Spell
|
|
hi def link goPackageComment Comment
|
|
endif
|
|
|
|
" :GoCoverage commands
|
|
hi def link goCoverageNormalText Comment
|
|
|
|
function! s:hi()
|
|
hi def link goSameId Search
|
|
|
|
" :GoCoverage commands
|
|
hi def goCoverageCovered ctermfg=green guifg=#A6E22E
|
|
hi def goCoverageUncover ctermfg=red guifg=#F92672
|
|
endfunction
|
|
|
|
augroup vim-go-hi
|
|
autocmd!
|
|
autocmd ColorScheme * call s:hi()
|
|
augroup end
|
|
call s:hi()
|
|
|
|
" 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 ts=2 et
|