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1 " Copyright 2009 The Go Authors. All rights reserved.
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2 " Use of this source code is governed by a BSD-style
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3 " license that can be found in the LICENSE file.
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4 "
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5 " go.vim: Vim syntax file for Go.
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6 " Language: Go
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7 " Maintainer: Billie Cleek <bhcleek@gmail.com>
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8 " Latest Revision: 2023-02-19
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9 " License: BSD-style. See LICENSE file in source repository.
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10 " Repository: https://github.com/fatih/vim-go
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11
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12 " Quit when a (custom) syntax file was already loaded
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13 if exists("b:current_syntax")
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14 finish
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15 endif
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16
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17 let s:keepcpo = &cpo
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18 set cpo&vim
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19
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20 function! s:FoldEnable(...) abort
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21 if a:0 > 0
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22 return index(s:FoldEnable(), a:1) > -1
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23 endif
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24 return get(g:, 'go_fold_enable', ['block', 'import', 'varconst', 'package_comment'])
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25 endfunction
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26
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27 function! s:HighlightArrayWhitespaceError() abort
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28 return get(g:, 'go_highlight_array_whitespace_error', 0)
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29 endfunction
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30
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31 function! s:HighlightChanWhitespaceError() abort
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32 return get(g:, 'go_highlight_chan_whitespace_error', 0)
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33 endfunction
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34
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35 function! s:HighlightExtraTypes() abort
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36 return get(g:, 'go_highlight_extra_types', 0)
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37 endfunction
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38
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39 function! s:HighlightSpaceTabError() abort
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40 return get(g:, 'go_highlight_space_tab_error', 0)
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41 endfunction
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42
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43 function! s:HighlightTrailingWhitespaceError() abort
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44 return get(g:, 'go_highlight_trailing_whitespace_error', 0)
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45 endfunction
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46
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47 function! s:HighlightOperators() abort
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48 return get(g:, 'go_highlight_operators', 0)
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49 endfunction
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50
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51 function! s:HighlightFunctions() abort
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52 return get(g:, 'go_highlight_functions', 0)
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53 endfunction
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54
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55 function! s:HighlightFunctionParameters() abort
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56 return get(g:, 'go_highlight_function_parameters', 0)
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57 endfunction
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58
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59 function! s:HighlightFunctionCalls() abort
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60 return get(g:, 'go_highlight_function_calls', 0)
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61 endfunction
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62
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63 function! s:HighlightFields() abort
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64 return get(g:, 'go_highlight_fields', 0)
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65 endfunction
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66
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67 function! s:HighlightTypes() abort
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68 return get(g:, 'go_highlight_types', 0)
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69 endfunction
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70
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71 function! s:HighlightBuildConstraints() abort
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72 return get(g:, 'go_highlight_build_constraints', 0)
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73 endfunction
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74
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75 function! s:HighlightStringSpellcheck() abort
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76 return get(g:, 'go_highlight_string_spellcheck', 1)
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77 endfunction
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78
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79 function! s:HighlightFormatStrings() abort
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80 return get(g:, 'go_highlight_format_strings', 1)
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81 endfunction
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82
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83 function! s:HighlightGenerateTags() abort
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84 return get(g:, 'go_highlight_generate_tags', 0)
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85 endfunction
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86
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87 function! s:HighlightVariableAssignments() abort
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88 return get(g:, 'go_highlight_variable_assignments', 0)
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89 endfunction
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90
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91 function! s:HighlightVariableDeclarations() abort
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92 return get(g:, 'go_highlight_variable_declarations', 0)
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93 endfunction
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94
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95 syn case match
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96
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97 syn keyword goPackage package
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98 syn keyword goImport import contained
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99 syn keyword goVar var contained
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100 syn keyword goConst const contained
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101
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102 hi def link goPackage Statement
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103 hi def link goImport Statement
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104 hi def link goVar Keyword
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105 hi def link goConst Keyword
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106 hi def link goDeclaration Keyword
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107
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108 " Keywords within functions
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109 syn keyword goStatement defer go goto return break continue fallthrough
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110 syn keyword goConditional if else switch select
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111 syn keyword goLabel case default
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112 syn keyword goRepeat for range
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113
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114 hi def link goStatement Statement
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115 hi def link goConditional Conditional
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116 hi def link goLabel Label
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117 hi def link goRepeat Repeat
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118
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119 " Predefined types
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120 syn keyword goType chan map bool string error any comparable
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121 syn keyword goSignedInts int int8 int16 int32 int64 rune
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122 syn keyword goUnsignedInts byte uint uint8 uint16 uint32 uint64 uintptr
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123 syn keyword goFloats float32 float64
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124 syn keyword goComplexes complex64 complex128
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125
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126 hi def link goType Type
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127 hi def link goSignedInts Type
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128 hi def link goUnsignedInts Type
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129 hi def link goFloats Type
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130 hi def link goComplexes Type
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131
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132 " Predefined functions and values
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133 syn keyword goBuiltins append cap close complex copy delete imag len
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134 syn keyword goBuiltins make new panic print println real recover
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135 syn keyword goBoolean true false
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136 syn keyword goPredefinedIdentifiers nil iota
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137
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138 hi def link goBuiltins Identifier
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139 hi def link goPredefinedIdentifiers Constant
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140 " Boolean links to Constant by default by vim: goBoolean and goPredefinedIdentifiers
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141 " will be highlighted the same, but having the separate groups allows users to
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142 " have separate highlighting for them if they desire.
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143 hi def link goBoolean Boolean
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144
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145 " Comments; their contents
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146 syn keyword goTodo contained TODO FIXME XXX BUG
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147 syn cluster goCommentGroup contains=goTodo
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148
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149 syn region goComment start="//" end="$" contains=goGenerate,@goCommentGroup,@Spell
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150 if s:FoldEnable('comment')
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151 syn region goComment start="/\*" end="\*/" contains=@goCommentGroup,@Spell fold
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152 syn match goComment "\v(^\s*//.*\n)+" contains=goGenerate,@goCommentGroup,@Spell fold
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153 else
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154 syn region goComment start="/\*" end="\*/" contains=@goCommentGroup,@Spell
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155 endif
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156
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157 hi def link goComment Comment
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158 hi def link goTodo Todo
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159
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160 if s:HighlightGenerateTags()
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161 syn match goGenerateVariables contained /\%(\$GOARCH\|\$GOOS\|\$GOFILE\|\$GOLINE\|\$GOPACKAGE\|\$DOLLAR\)\>/
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162 syn region goGenerate start="^\s*//go:generate" end="$" contains=goGenerateVariables
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163 hi def link goGenerate PreProc
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164 hi def link goGenerateVariables Special
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165 endif
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166
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167 " Go escapes
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168 syn match goEscapeOctal display contained "\\[0-7]\{3}"
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169 syn match goEscapeC display contained +\\[abfnrtv\\'"]+
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170 syn match goEscapeX display contained "\\x\x\{2}"
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171 syn match goEscapeU display contained "\\u\x\{4}"
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172 syn match goEscapeBigU display contained "\\U\x\{8}"
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173 syn match goEscapeError display contained +\\[^0-7xuUabfnrtv\\'"]+
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174
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175 hi def link goEscapeOctal goSpecialString
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176 hi def link goEscapeC goSpecialString
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177 hi def link goEscapeX goSpecialString
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178 hi def link goEscapeU goSpecialString
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179 hi def link goEscapeBigU goSpecialString
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180 hi def link goSpecialString Special
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181 hi def link goEscapeError Error
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182
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183 " Strings and their contents
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184 syn cluster goStringGroup contains=goEscapeOctal,goEscapeC,goEscapeX,goEscapeU,goEscapeBigU,goEscapeError
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185 if s:HighlightStringSpellcheck()
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186 syn region goString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@goStringGroup,@Spell
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187 syn region goRawString start=+`+ end=+`+ contains=@Spell
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188 else
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189 syn region goString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@goStringGroup
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190 syn region goRawString start=+`+ end=+`+
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191 endif
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192
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193 syn match goImportString /^\%(\s\+\|import \)\(\h\w* \)\?\zs"[^"]\+"$/ contained containedin=goImport
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194
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195 if s:HighlightFormatStrings()
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196 " [n] notation is valid for specifying explicit argument indexes
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197 " 1. Match a literal % not preceded by a %.
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198 " 2. Match any number of -, #, 0, space, or +
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199 " 3. Match * or [n]* or any number or nothing before a .
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200 " 4. Match * or [n]* or any number or nothing after a .
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201 " 5. Match [n] or nothing before a verb
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202 " 6. Match a formatting verb
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203 syn match goFormatSpecifier /\
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204 \%([^%]\%(%%\)*\)\
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205 \@<=%[-#0 +]*\
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206 \%(\%(\%(\[\d\+\]\)\=\*\)\|\d\+\)\=\
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207 \%(\.\%(\%(\%(\[\d\+\]\)\=\*\)\|\d\+\)\=\)\=\
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208 \%(\[\d\+\]\)\=[vTtbcdoqxXUeEfFgGspw]/ contained containedin=goString,goRawString
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209 hi def link goFormatSpecifier goSpecialString
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210 endif
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211
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212 hi def link goImportString String
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213 hi def link goString String
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214 hi def link goRawString String
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215
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216 " Characters; their contents
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217 syn cluster goCharacterGroup contains=goEscapeOctal,goEscapeC,goEscapeX,goEscapeU,goEscapeBigU
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218 syn region goCharacter start=+'+ skip=+\\\\\|\\'+ end=+'+ contains=@goCharacterGroup
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219
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220 hi def link goCharacter Character
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221
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222 " Regions
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223 syn region goParen start='(' end=')' transparent
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224 if s:FoldEnable('block')
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225 syn region goBlock start="{" end="}" transparent fold
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226 else
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227 syn region goBlock start="{" end="}" transparent
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228 endif
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229
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230 " import
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231 if s:FoldEnable('import')
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232 syn region goImport start='import (' end=')' transparent fold contains=goImport,goImportString,goComment
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233 else
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234 syn region goImport start='import (' end=')' transparent contains=goImport,goImportString,goComment
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235 endif
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236
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237 " var, const
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238 if s:FoldEnable('varconst')
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239 syn region goVar start='var (' end='^\s*)$' transparent fold
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240 \ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar,goParamName,goParamType,goSimpleParams,goPointerOperator
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241 syn region goConst start='const (' end='^\s*)$' transparent fold
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242 \ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar,goParamName,goParamType,goSimpleParams,goPointerOperator
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243 else
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244 syn region goVar start='var (' end='^\s*)$' transparent
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245 \ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar,goParamName,goParamType,goSimpleParams,goPointerOperator
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246 syn region goConst start='const (' end='^\s*)$' transparent
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247 \ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar,goParamName,goParamType,goSimpleParams,goPointerOperator
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248 endif
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249
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250 " Single-line var, const, and import.
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251 syn match goSingleDecl /\%(import\|var\|const\) [^(]\@=/ contains=goImport,goVar,goConst
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252
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253 " Integers
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254 syn match goDecimalInt "\<-\=\%(0\|\%(\d\|\d_\d\)\+\)\>"
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255 syn match goHexadecimalInt "\<-\=0[xX]_\?\%(\x\|\x_\x\)\+\>"
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256 syn match goOctalInt "\<-\=0[oO]\?_\?\%(\o\|\o_\o\)\+\>"
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257 syn match goBinaryInt "\<-\=0[bB]_\?\%([01]\|[01]_[01]\)\+\>"
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258
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259 hi def link goDecimalInt Integer
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260 hi def link goDecimalError Error
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261 hi def link goHexadecimalInt Integer
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262 hi def link goHexadecimalError Error
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263 hi def link goOctalInt Integer
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264 hi def link goOctalError Error
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265 hi def link goBinaryInt Integer
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266 hi def link goBinaryError Error
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267 hi def link Integer Number
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268
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269 " Floating point
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270 "float_lit = decimal_float_lit | hex_float_lit .
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271 "
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272 "decimal_float_lit = decimal_digits "." [ decimal_digits ] [ decimal_exponent ] |
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273 " decimal_digits decimal_exponent |
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274 " "." decimal_digits [ decimal_exponent ] .
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275 "decimal_exponent = ( "e" | "E" ) [ "+" | "-" ] decimal_digits .
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276 "
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277 "hex_float_lit = "0" ( "x" | "X" ) hex_mantissa hex_exponent .
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278 "hex_mantissa = [ "_" ] hex_digits "." [ hex_digits ] |
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279 " [ "_" ] hex_digits |
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280 " "." hex_digits .
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281 "hex_exponent = ( "p" | "P" ) [ "+" | "-" ] decimal_digits .
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282 " decimal floats with a decimal point
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283 syn match goFloat "\<-\=\%(0\|\%(\d\|\d_\d\)\+\)\.\%(\%(\%(\d\|\d_\d\)\+\)\=\%([Ee][-+]\=\%(\d\|\d_\d\)\+\)\=\>\)\="
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284 syn match goFloat "\s\zs-\=\.\%(\d\|\d_\d\)\+\%(\%([Ee][-+]\=\%(\d\|\d_\d\)\+\)\>\)\="
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285 " decimal floats without a decimal point
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286 syn match goFloat "\<-\=\%(0\|\%(\d\|\d_\d\)\+\)[Ee][-+]\=\%(\d\|\d_\d\)\+\>"
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287 " hexadecimal floats with a decimal point
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288 syn match goHexadecimalFloat "\<-\=0[xX]\%(_\x\|\x\)\+\.\%(\%(\x\|\x_\x\)\+\)\=\%([Pp][-+]\=\%(\d\|\d_\d\)\+\)\=\>"
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289 syn match goHexadecimalFloat "\<-\=0[xX]\.\%(\x\|\x_\x\)\+\%([Pp][-+]\=\%(\d\|\d_\d\)\+\)\=\>"
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290 " hexadecimal floats without a decimal point
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291 syn match goHexadecimalFloat "\<-\=0[xX]\%(_\x\|\x\)\+[Pp][-+]\=\%(\d\|\d_\d\)\+\>"
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292
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293 hi def link goFloat Float
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294 hi def link goHexadecimalFloat Float
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295
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296 " Imaginary literals
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297 syn match goImaginaryDecimal "\<-\=\%(0\|\%(\d\|\d_\d\)\+\)i\>"
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298 syn match goImaginaryHexadecimal "\<-\=0[xX]_\?\%(\x\|\x_\x\)\+i\>"
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299 syn match goImaginaryOctal "\<-\=0[oO]\?_\?\%(\o\|\o_\o\)\+i\>"
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300 syn match goImaginaryBinary "\<-\=0[bB]_\?\%([01]\|[01]_[01]\)\+i\>"
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301
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302 " imaginary decimal floats with a decimal point
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303 syn match goImaginaryFloat "\<-\=\%(0\|\%(\d\|\d_\d\)\+\)\.\%(\%(\%(\d\|\d_\d\)\+\)\=\%([Ee][-+]\=\%(\d\|\d_\d\)\+\)\=\)\=i\>"
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304 syn match goImaginaryFloat "\s\zs-\=\.\%(\d\|\d_\d\)\+\%([Ee][-+]\=\%(\d\|\d_\d\)\+\)\=i\>"
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305 " imaginary decimal floats without a decimal point
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306 syn match goImaginaryFloat "\<-\=\%(0\|\%(\d\|\d_\d\)\+\)[Ee][-+]\=\%(\d\|\d_\d\)\+i\>"
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307 " imaginary hexadecimal floats with a decimal point
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308 syn match goImaginaryHexadecimalFloat "\<-\=0[xX]\%(_\x\|\x\)\+\.\%(\%(\x\|\x_\x\)\+\)\=\%([Pp][-+]\=\%(\d\|\d_\d\)\+\)\=i\>"
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309 syn match goImaginaryHexadecimalFloat "\<-\=0[xX]\.\%(\x\|\x_\x\)\+\%([Pp][-+]\=\%(\d\|\d_\d\)\+\)\=i\>"
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310 " imaginary hexadecimal floats without a decimal point
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311 syn match goImaginaryHexadecimalFloat "\<-\=0[xX]\%(_\x\|\x\)\+[Pp][-+]\=\%(\d\|\d_\d\)\+i\>"
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312
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313 hi def link goImaginaryDecimal Number
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314 hi def link goImaginaryHexadecimal Number
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315 hi def link goImaginaryOctal Number
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316 hi def link goImaginaryBinary Number
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317 hi def link goImaginaryFloat Float
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318 hi def link goImaginaryHexadecimalFloat Float
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319
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320 " Spaces after "[]"
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321 if s:HighlightArrayWhitespaceError()
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322 syn match goSpaceError display "\%(\[\]\)\@<=\s\+"
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323 endif
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324
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325 " Spacing errors around the 'chan' keyword
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326 if s:HighlightChanWhitespaceError()
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327 " receive-only annotation on chan type
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328 "
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329 " \(\<chan\>\)\@<!<- (only pick arrow when it doesn't come after a chan)
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330 " this prevents picking up 'chan<- chan<-' but not '<- chan'
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331 syn match goSpaceError display "\%(\%(\<chan\>\)\@<!<-\)\@<=\s\+\%(\<chan\>\)\@="
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332
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333 " send-only annotation on chan type
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334 "
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335 " \(<-\)\@<!\<chan\> (only pick chan when it doesn't come after an arrow)
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336 " this prevents picking up '<-chan <-chan' but not 'chan <-'
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337 syn match goSpaceError display "\%(\%(<-\)\@<!\<chan\>\)\@<=\s\+\%(<-\)\@="
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338
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6153
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339 " value-ignoring receives in a few contexts
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25161
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340 syn match goSpaceError display "\%(\%(^\|[={(,;]\)\s*<-\)\@<=\s\+"
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6153
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341 endif
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342
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343 " Extra types commonly seen
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25161
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344 if s:HighlightExtraTypes()
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345 syn match goExtraType /\<bytes\.\%(Buffer\)\>/
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346 syn match goExtraType /\<context\.\%(Context\)\>/
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347 syn match goExtraType /\<io\.\%(Reader\|ReadSeeker\|ReadWriter\|ReadCloser\|ReadWriteCloser\|Writer\|WriteCloser\|Seeker\)\>/
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348 syn match goExtraType /\<reflect\.\%(Kind\|Type\|Value\)\>/
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6153
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349 syn match goExtraType /\<unsafe\.Pointer\>/
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350 endif
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351
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352 " Space-tab error
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25161
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353 if s:HighlightSpaceTabError()
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6153
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354 syn match goSpaceError display " \+\t"me=e-1
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355 endif
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356
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357 " Trailing white space error
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25161
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358 if s:HighlightTrailingWhitespaceError()
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6153
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359 syn match goSpaceError display excludenl "\s\+$"
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360 endif
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361
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362 hi def link goExtraType Type
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363 hi def link goSpaceError Error
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364
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25161
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365
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366
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367 " included from: https://github.com/athom/more-colorful.vim/blob/master/after/syntax/go.vim
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368 "
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369 " Comments; their contents
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370 syn keyword goTodo contained NOTE
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371 hi def link goTodo Todo
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372
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373 syn match goVarArgs /\.\.\./
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374
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375 " Operators;
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376 if s:HighlightOperators()
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377 " match single-char operators: - + % < > ! & | ^ * =
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378 " and corresponding two-char operators: -= += %= <= >= != &= |= ^= *= ==
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379 syn match goOperator /[-+%<>!&|^*=]=\?/
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380 " match / and /=
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381 syn match goOperator /\/\%(=\|\ze[^/*]\)/
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382 " match two-char operators: << >> &^
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383 " and corresponding three-char operators: <<= >>= &^=
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384 syn match goOperator /\%(<<\|>>\|&^\)=\?/
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385 " match remaining two-char operators: := && || <- ++ --
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386 syn match goOperator /:=\|||\|<-\|++\|--/
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31139
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387 " match ~
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388 syn match goOperator /\~/
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25161
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389 " match ...
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390
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391 hi def link goPointerOperator goOperator
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392 hi def link goVarArgs goOperator
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393 endif
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394 hi def link goOperator Operator
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395
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31139
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396 " -> type constraint opening bracket
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397 " |-> start non-counting group
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398 " || -> any word character
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399 " || | -> at least one, as many as possible
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400 " || | | -> start non-counting group
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401 " || | | | -> match ~
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402 " || | | | | -> at most once
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403 " || | | | | | -> allow a slice type
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404 " || | | | | | | -> any word character
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405 " || | | | | | | | -> start a non-counting group
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406 " || | | | | | | | | -> that matches word characters and |
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407 " || | | | | | | | | | -> close the non-counting group
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408 " || | | | | | | | | | | -> close the non-counting group
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409 " || | | | | | | | | | | |-> any number of matches
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410 " || | | | | | | | | | | || -> start a non-counting group
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411 " || | | | | | | | | | | || | -> a comma and whitespace
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412 " || | | | | | | | | | | || | | -> at most once
|
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413 " || | | | | | | | | | | || | | | -> close the non-counting group
|
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|
414 " || | | | | | | | | | | || | | | | -> at least one of those non-counting groups, as many as possible
|
|
|
415 " || | | | | | -------- | | | | || | | | | | -> type constraint closing bracket
|
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|
416 " || | | | | || | | | | | || | | | | | |
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417 syn match goTypeParams /\[\%(\w\+\s\+\%(\~\?\%(\[]\)\?\w\%(\w\||\)\)*\%(,\s*\)\?\)\+\]/ nextgroup=goSimpleParams,goDeclType contained
|
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|
418
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25161
|
419 " Functions;
|
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|
420 if s:HighlightFunctions() || s:HighlightFunctionParameters()
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|
421 syn match goDeclaration /\<func\>/ nextgroup=goReceiver,goFunction,goSimpleParams skipwhite skipnl
|
|
31139
|
422 syn match goReceiverDecl /(\s*\zs\%(\%(\w\+\s\+\)\?\*\?\w\+\%(\[\%(\%(\[\]\)\?\w\+\%(,\s*\)\?\)\+\]\)\?\)\ze\s*)/ contained contains=goReceiverVar,goReceiverType,goPointerOperator
|
|
25161
|
423 syn match goReceiverVar /\w\+\ze\s\+\%(\w\|\*\)/ nextgroup=goPointerOperator,goReceiverType skipwhite skipnl contained
|
|
|
424 syn match goPointerOperator /\*/ nextgroup=goReceiverType contained skipwhite skipnl
|
|
31139
|
425 syn match goFunction /\w\+/ nextgroup=goSimpleParams,goTypeParams contained skipwhite skipnl
|
|
|
426 syn match goReceiverType /\w\+\%(\[\%(\%(\[\]\)\?\w\+\%(,\s*\)\?\)\+\]\)\?\ze\s*)/ contained
|
|
25161
|
427 if s:HighlightFunctionParameters()
|
|
|
428 syn match goSimpleParams /(\%(\w\|\_s\|[*\.\[\],\{\}<>-]\)*)/ contained contains=goParamName,goType nextgroup=goFunctionReturn skipwhite skipnl
|
|
|
429 syn match goFunctionReturn /(\%(\w\|\_s\|[*\.\[\],\{\}<>-]\)*)/ contained contains=goParamName,goType skipwhite skipnl
|
|
|
430 syn match goParamName /\w\+\%(\s*,\s*\w\+\)*\ze\s\+\%(\w\|\.\|\*\|\[\)/ contained nextgroup=goParamType skipwhite skipnl
|
|
|
431 syn match goParamType /\%([^,)]\|\_s\)\+,\?/ contained nextgroup=goParamName skipwhite skipnl
|
|
|
432 \ contains=goVarArgs,goType,goSignedInts,goUnsignedInts,goFloats,goComplexes,goDeclType,goBlock
|
|
|
433 hi def link goReceiverVar goParamName
|
|
|
434 hi def link goParamName Identifier
|
|
|
435 endif
|
|
31139
|
436 syn match goReceiver /(\s*\%(\w\+\s\+\)\?\*\?\s*\w\+\%(\[\%(\%(\[\]\)\?\w\+\%(,\s*\)\?\)\+\]\)\?\s*)\ze\s*\w/ contained nextgroup=goFunction contains=goReceiverDecl skipwhite skipnl
|
|
25161
|
437 else
|
|
|
438 syn keyword goDeclaration func
|
|
|
439 endif
|
|
|
440 hi def link goFunction Function
|
|
|
441
|
|
|
442 " Function calls;
|
|
|
443 if s:HighlightFunctionCalls()
|
|
31139
|
444 syn match goFunctionCall /\w\+\ze\%(\[\%(\%(\[]\)\?\w\+\(,\s*\)\?\)\+\]\)\?(/ contains=goBuiltins,goDeclaration
|
|
25161
|
445 endif
|
|
|
446 hi def link goFunctionCall Type
|
|
|
447
|
|
|
448 " Fields;
|
|
|
449 if s:HighlightFields()
|
|
|
450 " 1. Match a sequence of word characters coming after a '.'
|
|
|
451 " 2. Require the following but dont match it: ( \@= see :h E59)
|
|
|
452 " - The symbols: / - + * % OR
|
|
|
453 " - The symbols: [] {} <> ) OR
|
|
|
454 " - The symbols: \n \r space OR
|
|
|
455 " - The symbols: , : .
|
|
|
456 " 3. Have the start of highlight (hs) be the start of matched
|
|
|
457 " pattern (s) offsetted one to the right (+1) (see :h E401)
|
|
|
458 syn match goField /\.\w\+\
|
|
|
459 \%(\%([\/\-\+*%]\)\|\
|
|
|
460 \%([\[\]{}<\>\)]\)\|\
|
|
|
461 \%([\!=\^|&]\)\|\
|
|
|
462 \%([\n\r\ ]\)\|\
|
|
|
463 \%([,\:.]\)\)\@=/hs=s+1
|
|
|
464 endif
|
|
|
465 hi def link goField Identifier
|
|
|
466
|
|
|
467 " Structs & Interfaces;
|
|
|
468 if s:HighlightTypes()
|
|
|
469 syn match goTypeConstructor /\<\w\+{\@=/
|
|
|
470 syn match goTypeDecl /\<type\>/ nextgroup=goTypeName skipwhite skipnl
|
|
31139
|
471 syn match goTypeName /\w\+/ contained nextgroup=goDeclType,goTypeParams skipwhite skipnl
|
|
25161
|
472 syn match goDeclType /\<\%(interface\|struct\)\>/ skipwhite skipnl
|
|
|
473 hi def link goReceiverType Type
|
|
|
474 else
|
|
|
475 syn keyword goDeclType struct interface
|
|
|
476 syn keyword goDeclaration type
|
|
|
477 endif
|
|
|
478 hi def link goTypeConstructor Type
|
|
|
479 hi def link goTypeName Type
|
|
|
480 hi def link goTypeDecl Keyword
|
|
|
481 hi def link goDeclType Keyword
|
|
|
482
|
|
|
483 " Variable Assignments
|
|
|
484 if s:HighlightVariableAssignments()
|
|
|
485 syn match goVarAssign /\v[_.[:alnum:]]+(,\s*[_.[:alnum:]]+)*\ze(\s*([-^+|^\/%&]|\*|\<\<|\>\>|\&\^)?\=[^=])/
|
|
|
486 hi def link goVarAssign Special
|
|
|
487 endif
|
|
|
488
|
|
|
489 " Variable Declarations
|
|
|
490 if s:HighlightVariableDeclarations()
|
|
|
491 syn match goVarDefs /\v\w+(,\s*\w+)*\ze(\s*:\=)/
|
|
|
492 hi def link goVarDefs Special
|
|
|
493 endif
|
|
|
494
|
|
|
495 " Build Constraints
|
|
|
496 if s:HighlightBuildConstraints()
|
|
25836
|
497 syn match goBuildKeyword display contained "+build\|go:build"
|
|
25161
|
498 " Highlight the known values of GOOS, GOARCH, and other +build options.
|
|
|
499 syn keyword goBuildDirectives contained
|
|
|
500 \ android darwin dragonfly freebsd linux nacl netbsd openbsd plan9
|
|
|
501 \ solaris windows 386 amd64 amd64p32 arm armbe arm64 arm64be ppc64
|
|
|
502 \ ppc64le mips mipsle mips64 mips64le mips64p32 mips64p32le ppc
|
|
|
503 \ s390 s390x sparc sparc64 cgo ignore race
|
|
|
504
|
|
|
505 " Other words in the build directive are build tags not listed above, so
|
|
|
506 " avoid highlighting them as comments by using a matchgroup just for the
|
|
|
507 " start of the comment.
|
|
|
508 " The rs=s+2 option lets the \s*+build portion be part of the inner region
|
|
|
509 " instead of the matchgroup so it will be highlighted as a goBuildKeyword.
|
|
|
510 syn region goBuildComment matchgroup=goBuildCommentStart
|
|
31139
|
511 \ start="//\(\s*+build\s\|go:build\)"rs=s+2 end="$"
|
|
25161
|
512 \ contains=goBuildKeyword,goBuildDirectives
|
|
|
513 hi def link goBuildCommentStart Comment
|
|
|
514 hi def link goBuildDirectives Type
|
|
|
515 hi def link goBuildKeyword PreProc
|
|
|
516 endif
|
|
|
517
|
|
|
518 if s:HighlightBuildConstraints() || s:FoldEnable('package_comment')
|
|
|
519 " One or more line comments that are followed immediately by a "package"
|
|
|
520 " declaration are treated like package documentation, so these must be
|
|
|
521 " matched as comments to avoid looking like working build constraints.
|
|
|
522 " The he, me, and re options let the "package" itself be highlighted by
|
|
|
523 " the usual rules.
|
|
|
524 exe 'syn region goPackageComment start=/\v(\/\/.*\n)+\s*package/'
|
|
|
525 \ . ' end=/\v\n\s*package/he=e-7,me=e-7,re=e-7'
|
|
|
526 \ . ' contains=@goCommentGroup,@Spell'
|
|
|
527 \ . (s:FoldEnable('package_comment') ? ' fold' : '')
|
|
|
528 exe 'syn region goPackageComment start=/\v^\s*\/\*.*\n(.*\n)*\s*\*\/\npackage/'
|
|
|
529 \ . ' end=/\v\*\/\n\s*package/he=e-7,me=e-7,re=e-7'
|
|
|
530 \ . ' contains=@goCommentGroup,@Spell'
|
|
|
531 \ . (s:FoldEnable('package_comment') ? ' fold' : '')
|
|
|
532 hi def link goPackageComment Comment
|
|
|
533 endif
|
|
|
534
|
|
|
535 " :GoCoverage commands
|
|
|
536 hi def link goCoverageNormalText Comment
|
|
|
537
|
|
6153
|
538 " Search backwards for a global declaration to start processing the syntax.
|
|
|
539 "syn sync match goSync grouphere NONE /^\(const\|var\|type\|func\)\>/
|
|
|
540
|
|
|
541 " There's a bug in the implementation of grouphere. For now, use the
|
|
|
542 " following as a more expensive/less precise workaround.
|
|
|
543 syn sync minlines=500
|
|
|
544
|
|
25161
|
545 let b:current_syntax = "go"
|
|
|
546
|
|
|
547 let &cpo = s:keepcpo
|
|
|
548 unlet s:keepcpo
|
|
6153
|
549
|
|
|
550 " vim: sw=2 sts=2 et
|
