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1 " This source file is part of the Swift.org open source project
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2 "
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3 " Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
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4 " Licensed under Apache License v2.0 with Runtime Library Exception
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5 "
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6 " See https://swift.org/LICENSE.txt for license information
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7 " See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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8 "
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9 " Vim syntax file
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10 " Language: swift
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11 " Maintainer: Joe Groff <jgroff@apple.com>
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12 " Last Change: 2018 Jan 21
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13 "
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14 " Vim maintainer: Emir SARI <bitigchi@me.com>
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15
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16 if exists("b:current_syntax")
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17 finish
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18 endif
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19
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20 let s:keepcpo = &cpo
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21 set cpo&vim
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22
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23 syn keyword swiftKeyword
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24 \ associatedtype
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25 \ break
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26 \ catch
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27 \ continue
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28 \ defer
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29 \ do
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30 \ else
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31 \ fallthrough
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32 \ for
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33 \ guard
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34 \ if
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35 \ in
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36 \ repeat
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37 \ return
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38 \ switch
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39 \ throw
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40 \ try
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41 \ where
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42 \ while
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43 syn match swiftMultiwordKeyword
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44 \ "indirect case"
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45
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46 syn keyword swiftImport skipwhite skipempty nextgroup=swiftImportModule
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47 \ import
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48
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49 syn keyword swiftDefinitionModifier
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50 \ convenience
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51 \ dynamic
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52 \ fileprivate
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53 \ final
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54 \ internal
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55 \ lazy
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56 \ nonmutating
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57 \ open
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58 \ override
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59 \ prefix
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60 \ private
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61 \ public
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62 \ required
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63 \ rethrows
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64 \ static
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65 \ throws
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66 \ weak
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67
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68 syn keyword swiftInOutKeyword skipwhite skipempty nextgroup=swiftTypeName
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69 \ inout
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70
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71 syn keyword swiftIdentifierKeyword
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72 \ Self
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73 \ metatype
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74 \ self
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75 \ super
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76
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77 syn keyword swiftFuncKeywordGeneral skipwhite skipempty nextgroup=swiftTypeParameters
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78 \ init
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79
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80 syn keyword swiftFuncKeyword
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81 \ deinit
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82 \ subscript
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83
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84 syn keyword swiftScope
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85 \ autoreleasepool
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86
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87 syn keyword swiftMutating skipwhite skipempty nextgroup=swiftFuncDefinition
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88 \ mutating
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89 syn keyword swiftFuncDefinition skipwhite skipempty nextgroup=swiftTypeName,swiftOperator
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90 \ func
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91
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92 syn keyword swiftTypeDefinition skipwhite skipempty nextgroup=swiftTypeName
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93 \ class
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94 \ enum
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95 \ extension
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96 \ protocol
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97 \ struct
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98
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99 syn keyword swiftTypeAliasDefinition skipwhite skipempty nextgroup=swiftTypeAliasName
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100 \ typealias
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101
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102 syn match swiftMultiwordTypeDefinition skipwhite skipempty nextgroup=swiftTypeName
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103 \ "indirect enum"
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104
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105 syn keyword swiftVarDefinition skipwhite skipempty nextgroup=swiftVarName
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106 \ let
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107 \ var
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108
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109 syn keyword swiftLabel
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110 \ get
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111 \ set
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112 \ didSet
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113 \ willSet
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114
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115 syn keyword swiftBoolean
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116 \ false
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117 \ true
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118
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119 syn keyword swiftNil
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120 \ nil
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121
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122 syn match swiftImportModule contained nextgroup=swiftImportComponent
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123 \ /\<[A-Za-z_][A-Za-z_0-9]*\>/
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124 syn match swiftImportComponent contained nextgroup=swiftImportComponent
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125 \ /\.\<[A-Za-z_][A-Za-z_0-9]*\>/
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126
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127 syn match swiftTypeAliasName contained skipwhite skipempty nextgroup=swiftTypeAliasValue
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128 \ /\<[A-Za-z_][A-Za-z_0-9]*\>/
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129 syn match swiftTypeName contained skipwhite skipempty nextgroup=swiftTypeParameters
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130 \ /\<[A-Za-z_][A-Za-z_0-9\.]*\>/
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131 syn match swiftVarName contained skipwhite skipempty nextgroup=swiftTypeDeclaration
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132 \ /\<[A-Za-z_][A-Za-z_0-9]*\>/
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133 syn match swiftImplicitVarName
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134 \ /\$\<[A-Za-z_0-9]\+\>/
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135
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136 " TypeName[Optionality]?
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137 syn match swiftType contained skipwhite skipempty nextgroup=swiftTypeParameters
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138 \ /\<[A-Za-z_][A-Za-z_0-9\.]*\>[!?]\?/
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139 " [Type:Type] (dictionary) or [Type] (array)
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140 syn region swiftType contained contains=swiftTypePair,swiftType
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141 \ matchgroup=Delimiter start=/\[/ end=/\]/
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142 syn match swiftTypePair contained skipwhite skipempty nextgroup=swiftTypeParameters,swiftTypeDeclaration
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143 \ /\<[A-Za-z_][A-Za-z_0-9\.]*\>[!?]\?/
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144 " (Type[, Type]) (tuple)
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145 " FIXME: we should be able to use skip="," and drop swiftParamDelim
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146 syn region swiftType contained contains=swiftType,swiftParamDelim
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147 \ matchgroup=Delimiter start="[^@]\?(" end=")" matchgroup=NONE skip=","
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148 syn match swiftParamDelim contained
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149 \ /,/
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150 " <Generic Clause> (generics)
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151 syn region swiftTypeParameters contained contains=swiftVarName,swiftConstraint
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152 \ matchgroup=Delimiter start="<" end=">" matchgroup=NONE skip=","
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153 syn keyword swiftConstraint contained
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154 \ where
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155
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156 syn match swiftTypeAliasValue skipwhite skipempty nextgroup=swiftType
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157 \ /=/
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158 syn match swiftTypeDeclaration skipwhite skipempty nextgroup=swiftType,swiftInOutKeyword
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159 \ /:/
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160 syn match swiftTypeDeclaration skipwhite skipempty nextgroup=swiftType
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161 \ /->/
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162
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163 syn match swiftKeyword
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164 \ /\<case\>/
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165 syn region swiftCaseLabelRegion
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166 \ matchgroup=swiftKeyword start=/\<case\>/ matchgroup=Delimiter end=/:/ oneline contains=TOP
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167 syn region swiftDefaultLabelRegion
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168 \ matchgroup=swiftKeyword start=/\<default\>/ matchgroup=Delimiter end=/:/ oneline
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169
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170 syn region swiftParenthesisRegion contains=TOP
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171 \ matchgroup=NONE start=/(/ end=/)/
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172
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173 syn region swiftString contains=swiftInterpolationRegion
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174 \ start=/"/ skip=/\\\\\|\\"/ end=/"/
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175 syn region swiftInterpolationRegion contained contains=TOP
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176 \ matchgroup=swiftInterpolation start=/\\(/ end=/)/
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177 syn region swiftComment contains=swiftComment,swiftLineComment,swiftTodo
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178 \ start="/\*" end="\*/"
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179 syn region swiftLineComment contains=swiftComment,swiftTodo
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180 \ start="//" end="$"
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181
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182 syn match swiftDecimal
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183 \ /[+\-]\?\<\([0-9][0-9_]*\)\([.][0-9_]*\)\?\([eE][+\-]\?[0-9][0-9_]*\)\?\>/
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184 syn match swiftHex
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185 \ /[+\-]\?\<0x[0-9A-Fa-f][0-9A-Fa-f_]*\(\([.][0-9A-Fa-f_]*\)\?[pP][+\-]\?[0-9][0-9_]*\)\?\>/
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186 syn match swiftOct
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187 \ /[+\-]\?\<0o[0-7][0-7_]*\>/
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188 syn match swiftBin
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189 \ /[+\-]\?\<0b[01][01_]*\>/
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190
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191 syn match swiftOperator skipwhite skipempty nextgroup=swiftTypeParameters
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192 \ "\.\@<!\.\.\.\@!\|[/=\-+*%<>!&|^~]\@<!\(/[/*]\@![/=\-+*%<>!&|^~]*\|*/\@![/=\-+*%<>!&|^~]*\|->\@![/=\-+*%<>!&|^~]*\|[=+%<>!&|^~][/=\-+*%<>!&|^~]*\)"
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193 syn match swiftOperator skipwhite skipempty nextgroup=swiftTypeParameters
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194 \ "\.\.[<.]"
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195
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196 syn match swiftChar
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197 \ /'\([^'\\]\|\\\(["'tnr0\\]\|x[0-9a-fA-F]\{2}\|u[0-9a-fA-F]\{4}\|U[0-9a-fA-F]\{8}\)\)'/
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198
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199 syn match swiftTupleIndexNumber contains=swiftDecimal
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200 \ /\.[0-9]\+/
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201 syn match swiftDecimal contained
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202 \ /[0-9]\+/
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203
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204 syn match swiftPreproc
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205 \ /#\(\<file\>\|\<line\>\|\<function\>\)/
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206 syn match swiftPreproc
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207 \ /^\s*#\(\<if\>\|\<else\>\|\<elseif\>\|\<endif\>\|\<error\>\|\<warning\>\)/
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208 syn region swiftPreprocFalse
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209 \ start="^\s*#\<if\>\s\+\<false\>" end="^\s*#\(\<else\>\|\<elseif\>\|\<endif\>\)"
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210
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211 syn match swiftAttribute
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212 \ /@\<\w\+\>/ skipwhite skipempty nextgroup=swiftType,swiftTypeDefinition
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213
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214 syn keyword swiftTodo MARK TODO FIXME contained
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215
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216 syn match swiftCastOp skipwhite skipempty nextgroup=swiftType
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217 \ "\<is\>"
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218 syn match swiftCastOp skipwhite skipempty nextgroup=swiftType
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219 \ "\<as\>[!?]\?"
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220
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221 syn match swiftNilOps
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222 \ "??"
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223
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224 syn region swiftReservedIdentifier oneline
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225 \ start=/`/ end=/`/
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226
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227 hi def link swiftImport Include
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228 hi def link swiftImportModule Title
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229 hi def link swiftImportComponent Identifier
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230 hi def link swiftKeyword Statement
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231 hi def link swiftMultiwordKeyword Statement
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232 hi def link swiftTypeDefinition Define
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233 hi def link swiftMultiwordTypeDefinition Define
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234 hi def link swiftType Type
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235 hi def link swiftTypePair Type
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236 hi def link swiftTypeAliasName Identifier
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237 hi def link swiftTypeName Function
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238 hi def link swiftConstraint Special
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239 hi def link swiftFuncDefinition Define
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240 hi def link swiftDefinitionModifier Operator
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241 hi def link swiftInOutKeyword Define
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242 hi def link swiftFuncKeyword Function
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243 hi def link swiftFuncKeywordGeneral Function
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244 hi def link swiftTypeAliasDefinition Define
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245 hi def link swiftVarDefinition Define
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246 hi def link swiftVarName Identifier
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247 hi def link swiftImplicitVarName Identifier
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248 hi def link swiftIdentifierKeyword Identifier
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249 hi def link swiftTypeAliasValue Delimiter
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250 hi def link swiftTypeDeclaration Delimiter
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251 hi def link swiftTypeParameters Delimiter
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252 hi def link swiftBoolean Boolean
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253 hi def link swiftString String
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254 hi def link swiftInterpolation Special
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255 hi def link swiftComment Comment
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256 hi def link swiftLineComment Comment
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257 hi def link swiftDecimal Number
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258 hi def link swiftHex Number
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259 hi def link swiftOct Number
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260 hi def link swiftBin Number
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261 hi def link swiftOperator Function
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262 hi def link swiftChar Character
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263 hi def link swiftLabel Operator
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264 hi def link swiftMutating Statement
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265 hi def link swiftPreproc PreCondit
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266 hi def link swiftPreprocFalse Comment
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267 hi def link swiftAttribute Type
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268 hi def link swiftTodo Todo
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269 hi def link swiftNil Constant
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270 hi def link swiftCastOp Operator
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271 hi def link swiftNilOps Operator
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272 hi def link swiftScope PreProc
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273
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274 let b:current_syntax = "swift"
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275
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276 let &cpo = s:keepcpo
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277 unlet s:keepcpo
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