mirror of
https://github.com/amix/vimrc
synced 2024-12-13 13:42:30 +00:00
466 lines
17 KiB
VimL
466 lines
17 KiB
VimL
" Copyright 2009 The Go Authors. All rights reserved.
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" Use of this source code is governed by a BSD-style
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" license that can be found in the LICENSE file.
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"
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" go.vim: Vim syntax file for Go.
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" Quit when a (custom) syntax file was already loaded
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if exists("b:current_syntax")
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finish
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endif
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" Set settings to default values.
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if !exists("g:go_highlight_array_whitespace_error")
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let g:go_highlight_array_whitespace_error = 0
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endif
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if !exists("g:go_highlight_chan_whitespace_error")
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let g:go_highlight_chan_whitespace_error = 0
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endif
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if !exists("g:go_highlight_extra_types")
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let g:go_highlight_extra_types = 0
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endif
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if !exists("g:go_highlight_space_tab_error")
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let g:go_highlight_space_tab_error = 0
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endif
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if !exists("g:go_highlight_trailing_whitespace_error")
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let g:go_highlight_trailing_whitespace_error = 0
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endif
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if !exists("g:go_highlight_operators")
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let g:go_highlight_operators = 0
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endif
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if !exists("g:go_highlight_functions")
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let g:go_highlight_functions = 0
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endif
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if !exists("g:go_highlight_methods")
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let g:go_highlight_methods = 0
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endif
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if !exists("g:go_highlight_fields")
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let g:go_highlight_fields = 0
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endif
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if !exists("g:go_highlight_types")
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let g:go_highlight_types = 0
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endif
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if !exists("g:go_highlight_build_constraints")
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let g:go_highlight_build_constraints = 0
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endif
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if !exists("g:go_highlight_string_spellcheck")
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let g:go_highlight_string_spellcheck = 1
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endif
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if !exists("g:go_highlight_format_strings")
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let g:go_highlight_format_strings = 1
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endif
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if !exists("g:go_highlight_generate_tags")
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let g:go_highlight_generate_tags = 0
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endif
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if !exists("g:go_highlight_variable_assignments")
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let g:go_highlight_variable_assignments = 0
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endif
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if !exists("g:go_highlight_variable_declarations")
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let g:go_highlight_variable_declarations = 0
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endif
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let s:fold_block = 1
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let s:fold_import = 1
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let s:fold_varconst = 1
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let s:fold_package_comment = 1
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let s:fold_comment = 0
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if exists("g:go_fold_enable")
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" Enabled by default.
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if index(g:go_fold_enable, 'block') == -1
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let s:fold_block = 0
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endif
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if index(g:go_fold_enable, 'import') == -1
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let s:fold_import = 0
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endif
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if index(g:go_fold_enable, 'varconst') == -1
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let s:fold_varconst = 0
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endif
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if index(g:go_fold_enable, 'package_comment') == -1
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let s:fold_package_comment = 0
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endif
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" Disabled by default.
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if index(g:go_fold_enable, 'comment') > -1
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let s:fold_comment = 1
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endif
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endif
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syn case match
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syn keyword goPackage package
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syn keyword goImport import contained
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syn keyword goVar var contained
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syn keyword goConst const contained
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hi def link goPackage Statement
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hi def link goImport Statement
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hi def link goVar Keyword
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hi def link goConst Keyword
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hi def link goDeclaration Keyword
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" Keywords within functions
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syn keyword goStatement defer go goto return break continue fallthrough
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syn keyword goConditional if else switch select
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syn keyword goLabel case default
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syn keyword goRepeat for range
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hi def link goStatement Statement
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hi def link goConditional Conditional
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hi def link goLabel Label
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hi def link goRepeat Repeat
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" Predefined types
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syn keyword goType chan map bool string error
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syn keyword goSignedInts int int8 int16 int32 int64 rune
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syn keyword goUnsignedInts byte uint uint8 uint16 uint32 uint64 uintptr
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syn keyword goFloats float32 float64
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syn keyword goComplexes complex64 complex128
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hi def link goType Type
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hi def link goSignedInts Type
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hi def link goUnsignedInts Type
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hi def link goFloats Type
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hi def link goComplexes Type
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" Predefined functions and values
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syn match goBuiltins /\<\v(append|cap|close|complex|copy|delete|imag|len)\ze\(/
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syn match goBuiltins /\<\v(make|new|panic|print|println|real|recover)\ze\(/
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syn keyword goBoolean true false
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syn keyword goPredefinedIdentifiers nil iota
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hi def link goBuiltins Keyword
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hi def link goBoolean Boolean
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hi def link goPredefinedIdentifiers goBoolean
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" Comments; their contents
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syn keyword goTodo contained TODO FIXME XXX BUG
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syn cluster goCommentGroup contains=goTodo
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syn region goComment start="//" end="$" contains=goGenerate,@goCommentGroup,@Spell
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if s:fold_comment
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syn region goComment start="/\*" end="\*/" contains=@goCommentGroup,@Spell fold
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syn match goComment "\v(^\s*//.*\n)+" contains=goGenerate,@goCommentGroup,@Spell fold
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else
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syn region goComment start="/\*" end="\*/" contains=@goCommentGroup,@Spell
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endif
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hi def link goComment Comment
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hi def link goTodo Todo
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if g:go_highlight_generate_tags != 0
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syn match goGenerateVariables contained /\(\$GOARCH\|\$GOOS\|\$GOFILE\|\$GOLINE\|\$GOPACKAGE\|\$DOLLAR\)\>/
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syn region goGenerate start="^\s*//go:generate" end="$" contains=goGenerateVariables
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hi def link goGenerate PreProc
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hi def link goGenerateVariables Special
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endif
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" Go escapes
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syn match goEscapeOctal display contained "\\[0-7]\{3}"
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syn match goEscapeC display contained +\\[abfnrtv\\'"]+
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syn match goEscapeX display contained "\\x\x\{2}"
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syn match goEscapeU display contained "\\u\x\{4}"
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syn match goEscapeBigU display contained "\\U\x\{8}"
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syn match goEscapeError display contained +\\[^0-7xuUabfnrtv\\'"]+
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hi def link goEscapeOctal goSpecialString
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hi def link goEscapeC goSpecialString
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hi def link goEscapeX goSpecialString
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hi def link goEscapeU goSpecialString
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hi def link goEscapeBigU goSpecialString
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hi def link goSpecialString Special
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hi def link goEscapeError Error
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" Strings and their contents
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syn cluster goStringGroup contains=goEscapeOctal,goEscapeC,goEscapeX,goEscapeU,goEscapeBigU,goEscapeError
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if g:go_highlight_string_spellcheck != 0
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syn region goString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@goStringGroup,@Spell
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syn region goRawString start=+`+ end=+`+ contains=@Spell
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else
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syn region goString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@goStringGroup
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syn region goRawString start=+`+ end=+`+
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endif
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if g:go_highlight_format_strings != 0
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syn match goFormatSpecifier /\([^%]\(%%\)*\)\@<=%[-#0 +]*\%(\*\|\d\+\)\=\%(\.\%(\*\|\d\+\)\)*[vTtbcdoqxXUeEfgGsp]/ contained containedin=goString
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hi def link goFormatSpecifier goSpecialString
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endif
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hi def link goString String
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hi def link goRawString String
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" Characters; their contents
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syn cluster goCharacterGroup contains=goEscapeOctal,goEscapeC,goEscapeX,goEscapeU,goEscapeBigU
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syn region goCharacter start=+'+ skip=+\\\\\|\\'+ end=+'+ contains=@goCharacterGroup
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hi def link goCharacter Character
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" Regions
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syn region goParen start='(' end=')' transparent
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if s:fold_block
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syn region goBlock start="{" end="}" transparent fold
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else
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syn region goBlock start="{" end="}" transparent
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endif
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" import
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if s:fold_import
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syn region goImport start='import (' end=')' transparent fold contains=goImport,goString,goComment
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else
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syn region goImport start='import (' end=')' transparent contains=goImport,goString,goComment
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endif
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" var, const
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if s:fold_varconst
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syn region goVar start='var (' end='^\s*)$' transparent fold
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\ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar
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syn region goConst start='const (' end='^\s*)$' transparent fold
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\ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar
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else
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syn region goVar start='var (' end='^\s*)$' transparent
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\ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar
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syn region goConst start='const (' end='^\s*)$' transparent
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\ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar
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endif
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" Single-line var, const, and import.
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syn match goSingleDecl /\(import\|var\|const\) [^(]\@=/ contains=goImport,goVar,goConst
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" Integers
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syn match goDecimalInt "\<-\=\d\+\%([Ee][-+]\=\d\+\)\=\>"
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syn match goHexadecimalInt "\<-\=0[xX]\x\+\>"
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syn match goOctalInt "\<-\=0\o\+\>"
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syn match goOctalError "\<-\=0\o*[89]\d*\>"
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hi def link goDecimalInt Integer
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hi def link goHexadecimalInt Integer
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hi def link goOctalInt Integer
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hi def link goOctalError Error
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hi def link Integer Number
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" Floating point
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syn match goFloat "\<-\=\d\+\.\d*\%([Ee][-+]\=\d\+\)\=\>"
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syn match goFloat "\<-\=\.\d\+\%([Ee][-+]\=\d\+\)\=\>"
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hi def link goFloat Float
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" Imaginary literals
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syn match goImaginary "\<-\=\d\+i\>"
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syn match goImaginary "\<-\=\d\+[Ee][-+]\=\d\+i\>"
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syn match goImaginaryFloat "\<-\=\d\+\.\d*\%([Ee][-+]\=\d\+\)\=i\>"
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syn match goImaginaryFloat "\<-\=\.\d\+\%([Ee][-+]\=\d\+\)\=i\>"
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hi def link goImaginary Number
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hi def link goImaginaryFloat Float
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" Spaces after "[]"
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if g:go_highlight_array_whitespace_error != 0
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syn match goSpaceError display "\(\[\]\)\@<=\s\+"
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endif
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" Spacing errors around the 'chan' keyword
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if g:go_highlight_chan_whitespace_error != 0
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" receive-only annotation on chan type
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"
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" \(\<chan\>\)\@<!<- (only pick arrow when it doesn't come after a chan)
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" this prevents picking up 'chan<- chan<-' but not '<- chan'
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syn match goSpaceError display "\(\(\<chan\>\)\@<!<-\)\@<=\s\+\(\<chan\>\)\@="
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" send-only annotation on chan type
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"
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" \(<-\)\@<!\<chan\> (only pick chan when it doesn't come after an arrow)
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" this prevents picking up '<-chan <-chan' but not 'chan <-'
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syn match goSpaceError display "\(\(<-\)\@<!\<chan\>\)\@<=\s\+\(<-\)\@="
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" value-ignoring receives in a few contexts
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syn match goSpaceError display "\(\(^\|[={(,;]\)\s*<-\)\@<=\s\+"
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endif
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" Extra types commonly seen
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if g:go_highlight_extra_types != 0
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syn match goExtraType /\<bytes\.\(Buffer\)\>/
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syn match goExtraType /\<io\.\(Reader\|ReadSeeker\|ReadWriter\|ReadCloser\|ReadWriteCloser\|Writer\|WriteCloser\|Seeker\)\>/
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syn match goExtraType /\<reflect\.\(Kind\|Type\|Value\)\>/
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syn match goExtraType /\<unsafe\.Pointer\>/
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endif
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" Space-tab error
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if g:go_highlight_space_tab_error != 0
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syn match goSpaceError display " \+\t"me=e-1
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endif
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" Trailing white space error
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if g:go_highlight_trailing_whitespace_error != 0
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syn match goSpaceError display excludenl "\s\+$"
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endif
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hi def link goExtraType Type
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hi def link goSpaceError Error
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" included from: https://github.com/athom/more-colorful.vim/blob/master/after/syntax/go.vim
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"
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" Comments; their contents
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syn keyword goTodo contained NOTE
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hi def link goTodo Todo
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syn match goVarArgs /\.\.\./
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" Operators;
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if g:go_highlight_operators != 0
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" match single-char operators: - + % < > ! & | ^ * =
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" and corresponding two-char operators: -= += %= <= >= != &= |= ^= *= ==
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syn match goOperator /[-+%<>!&|^*=]=\?/
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" match / and /=
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syn match goOperator /\/\%(=\|\ze[^/*]\)/
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" match two-char operators: << >> &^
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" and corresponding three-char operators: <<= >>= &^=
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syn match goOperator /\%(<<\|>>\|&^\)=\?/
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" match remaining two-char operators: := && || <- ++ --
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syn match goOperator /:=\|||\|<-\|++\|--/
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" match ...
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hi def link goPointerOperator goOperator
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hi def link goVarArgs goOperator
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endif
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hi def link goOperator Operator
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" Functions;
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if g:go_highlight_functions != 0
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syn match goDeclaration /\<func\>/ nextgroup=goReceiver,goFunction skipwhite skipnl
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syn match goReceiver /(\(\w\|[ *]\)\+)/ contained nextgroup=goFunction contains=goReceiverVar skipwhite skipnl
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syn match goReceiverVar /\w\+/ nextgroup=goPointerOperator,goReceiverType skipwhite skipnl contained
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syn match goPointerOperator /\*/ nextgroup=goReceiverType contained skipwhite skipnl
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syn match goReceiverType /\w\+/ contained
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syn match goFunction /\w\+/ contained
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syn match goFunctionCall /\w\+\ze(/ contains=GoBuiltins,goDeclaration
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else
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syn keyword goDeclaration func
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endif
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hi def link goFunction Function
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hi def link goFunctionCall Type
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" Methods;
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if g:go_highlight_methods != 0
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syn match goMethodCall /\.\w\+\ze(/hs=s+1
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endif
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hi def link goMethodCall Type
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" Fields;
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if g:go_highlight_fields != 0
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syn match goField /\.\w\+\([.\ \n\r\:\)\[,]\)\@=/hs=s+1
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endif
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hi def link goField Identifier
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" Structs & Interfaces;
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if g:go_highlight_types != 0
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syn match goTypeConstructor /\<\w\+{\@=/
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syn match goTypeDecl /\<type\>/ nextgroup=goTypeName skipwhite skipnl
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syn match goTypeName /\w\+/ contained nextgroup=goDeclType skipwhite skipnl
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syn match goDeclType /\<\(interface\|struct\)\>/ skipwhite skipnl
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hi def link goReceiverType Type
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else
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syn keyword goDeclType struct interface
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syn keyword goDeclaration type
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endif
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hi def link goTypeConstructor Type
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hi def link goTypeName Type
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hi def link goTypeDecl Keyword
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hi def link goDeclType Keyword
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" Variable Assignments
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if g:go_highlight_variable_assignments != 0
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syn match goVarAssign /\v[_.[:alnum:]]+(,\s*[_.[:alnum:]]+)*\ze(\s*([-^+|^\/%&]|\*|\<\<|\>\>|\&\^)?\=[^=])/
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hi def link goVarAssign Special
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endif
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" Variable Declarations
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if g:go_highlight_variable_declarations != 0
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syn match goVarDefs /\v\w+(,\s*\w+)*\ze(\s*:\=)/
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hi def link goVarDefs Special
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endif
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" Build Constraints
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if g:go_highlight_build_constraints != 0
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syn match goBuildKeyword display contained "+build"
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" Highlight the known values of GOOS, GOARCH, and other +build options.
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syn keyword goBuildDirectives contained
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\ android darwin dragonfly freebsd linux nacl netbsd openbsd plan9
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\ solaris windows 386 amd64 amd64p32 arm armbe arm64 arm64be ppc64
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\ ppc64le mips mipsle mips64 mips64le mips64p32 mips64p32le ppc
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\ s390 s390x sparc sparc64 cgo ignore race
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" Other words in the build directive are build tags not listed above, so
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" avoid highlighting them as comments by using a matchgroup just for the
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" start of the comment.
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" The rs=s+2 option lets the \s*+build portion be part of the inner region
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" instead of the matchgroup so it will be highlighted as a goBuildKeyword.
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syn region goBuildComment matchgroup=goBuildCommentStart
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\ start="//\s*+build\s"rs=s+2 end="$"
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\ contains=goBuildKeyword,goBuildDirectives
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hi def link goBuildCommentStart Comment
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hi def link goBuildDirectives Type
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hi def link goBuildKeyword PreProc
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endif
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if g:go_highlight_build_constraints != 0 || s:fold_package_comment
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" One or more line comments that are followed immediately by a "package"
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" declaration are treated like package documentation, so these must be
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" matched as comments to avoid looking like working build constraints.
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" The he, me, and re options let the "package" itself be highlighted by
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" the usual rules.
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exe 'syn region goPackageComment start=/\v(\/\/.*\n)+\s*package/'
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\ . ' end=/\v\n\s*package/he=e-7,me=e-7,re=e-7'
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\ . ' contains=@goCommentGroup,@Spell'
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\ . (s:fold_package_comment ? ' fold' : '')
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exe 'syn region goPackageComment start=/\v\/\*.*\n(.*\n)*\s*\*\/\npackage/'
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\ . ' end=/\v\n\s*package/he=e-7,me=e-7,re=e-7'
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\ . ' contains=@goCommentGroup,@Spell'
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\ . (s:fold_package_comment ? ' fold' : '')
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hi def link goPackageComment Comment
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endif
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" :GoCoverage commands
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hi def link goCoverageNormalText Comment
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function! s:hi()
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hi def link goSameId Search
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" :GoCoverage commands
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hi def goCoverageCovered ctermfg=green guifg=#A6E22E
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hi def goCoverageUncover ctermfg=red guifg=#F92672
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endfunction
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augroup vim-go-hi
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autocmd!
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autocmd ColorScheme * call s:hi()
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augroup end
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call s:hi()
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" Search backwards for a global declaration to start processing the syntax.
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"syn sync match goSync grouphere NONE /^\(const\|var\|type\|func\)\>/
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" There's a bug in the implementation of grouphere. For now, use the
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" following as a more expensive/less precise workaround.
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syn sync minlines=500
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let b:current_syntax = "go"
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" vim: sw=2 ts=2 et
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