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annotate rc/vim-syntax-coffee @ 410:fd0a889066a6

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Added syntax highlight for coffeescript.
author Edho Arief <edho@myconan.net>
date Mon, 12 Nov 2012 16:59:35 +0700
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fd0a889066a6 Added syntax highlight for coffeescript.
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1 " Language: CoffeeScript
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2 " Maintainer: Mick Koch <kchmck@gmail.com>
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3 " URL: http://github.com/kchmck/vim-coffee-script
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4 " License: WTFPL
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5
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6 " Bail if our syntax is already loaded.
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7 if exists('b:current_syntax') && b:current_syntax == 'coffee'
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8 finish
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9 endif
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10
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11 " Include JavaScript for coffeeEmbed.
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12 syn include @coffeeJS syntax/javascript.vim
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13
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14 " Highlight long strings.
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15 syn sync minlines=100
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16
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17 " CoffeeScript identifiers can have dollar signs.
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18 setlocal isident+=$
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19
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20 " These are `matches` instead of `keywords` because vim's highlighting
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21 " priority for keywords is higher than matches. This causes keywords to be
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22 " highlighted inside matches, even if a match says it shouldn't contain them --
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23 " like with coffeeAssign and coffeeDot.
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24 syn match coffeeStatement /\<\%(return\|break\|continue\|throw\)\>/ display
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25 hi def link coffeeStatement Statement
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26
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27 syn match coffeeRepeat /\<\%(for\|while\|until\|loop\)\>/ display
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28 hi def link coffeeRepeat Repeat
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29
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30 syn match coffeeConditional /\<\%(if\|else\|unless\|switch\|when\|then\)\>/
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31 \ display
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32 hi def link coffeeConditional Conditional
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33
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34 syn match coffeeException /\<\%(try\|catch\|finally\)\>/ display
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35 hi def link coffeeException Exception
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36
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37 syn match coffeeKeyword /\<\%(new\|in\|of\|by\|and\|or\|not\|is\|isnt\|class\|extends\|super\|do\)\>/
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38 \ display
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39 " The `own` keyword is only a keyword after `for`.
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40 syn match coffeeKeyword /\<for\s\+own\>/ contained containedin=coffeeRepeat
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41 \ display
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42 hi def link coffeeKeyword Keyword
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43
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44 syn match coffeeOperator /\<\%(instanceof\|typeof\|delete\)\>/ display
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45 hi def link coffeeOperator Operator
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46
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47 " The first case matches symbol operators only if they have an operand before.
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48 syn match coffeeExtendedOp /\%(\S\s*\)\@<=[+\-*/%&|\^=!<>?.]\{-1,}\|[-=]>\|--\|++\|:/
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49 \ display
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50 syn match coffeeExtendedOp /\<\%(and\|or\)=/ display
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51 hi def link coffeeExtendedOp coffeeOperator
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52
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53 " This is separate from `coffeeExtendedOp` to help differentiate commas from
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54 " dots.
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55 syn match coffeeSpecialOp /[,;]/ display
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56 hi def link coffeeSpecialOp SpecialChar
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57
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58 syn match coffeeBoolean /\<\%(true\|on\|yes\|false\|off\|no\)\>/ display
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59 hi def link coffeeBoolean Boolean
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60
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61 syn match coffeeGlobal /\<\%(null\|undefined\)\>/ display
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62 hi def link coffeeGlobal Type
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63
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64 " A special variable
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65 syn match coffeeSpecialVar /\<\%(this\|prototype\|arguments\)\>/ display
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66 hi def link coffeeSpecialVar Special
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67
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68 " An @-variable
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69 syn match coffeeSpecialIdent /@\%(\I\i*\)\?/ display
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70 hi def link coffeeSpecialIdent Identifier
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71
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72 " A class-like name that starts with a capital letter
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73 syn match coffeeObject /\<\u\w*\>/ display
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74 hi def link coffeeObject Structure
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75
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76 " A constant-like name in SCREAMING_CAPS
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77 syn match coffeeConstant /\<\u[A-Z0-9_]\+\>/ display
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78 hi def link coffeeConstant Constant
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79
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80 " A variable name
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81 syn cluster coffeeIdentifier contains=coffeeSpecialVar,coffeeSpecialIdent,
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82 \ coffeeObject,coffeeConstant
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83
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84 " A non-interpolated string
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85 syn cluster coffeeBasicString contains=@Spell,coffeeEscape
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86 " An interpolated string
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87 syn cluster coffeeInterpString contains=@coffeeBasicString,coffeeInterp
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88
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89 " Regular strings
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90 syn region coffeeString start=/"/ skip=/\\\\\|\\"/ end=/"/
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91 \ contains=@coffeeInterpString
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92 syn region coffeeString start=/'/ skip=/\\\\\|\\'/ end=/'/
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93 \ contains=@coffeeBasicString
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94 hi def link coffeeString String
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95
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96 " A integer, including a leading plus or minus
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97 syn match coffeeNumber /\i\@<![-+]\?\d\+\%([eE][+-]\?\d\+\)\?/ display
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98 " A hex, binary, or octal number
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99 syn match coffeeNumber /\<0[xX]\x\+\>/ display
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100 syn match coffeeNumber /\<0[bB][01]\+\>/ display
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101 syn match coffeeNumber /\<0[oO][0-7]\+\>/ display
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102 hi def link coffeeNumber Number
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103
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104 " A floating-point number, including a leading plus or minus
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105 syn match coffeeFloat /\i\@<![-+]\?\d*\.\@<!\.\d\+\%([eE][+-]\?\d\+\)\?/
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106 \ display
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107 hi def link coffeeFloat Float
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108
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109 " An error for reserved keywords
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110 if !exists("coffee_no_reserved_words_error")
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111 syn match coffeeReservedError /\<\%(case\|default\|function\|var\|void\|with\|const\|let\|enum\|export\|import\|native\|__hasProp\|__extends\|__slice\|__bind\|__indexOf\|implements\|interface\|let\|package\|private\|protected\|public\|static\|yield\)\>/
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112 \ display
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113 hi def link coffeeReservedError Error
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114 endif
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115
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116 " A normal object assignment
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117 syn match coffeeObjAssign /@\?\I\i*\s*\ze::\@!/ contains=@coffeeIdentifier display
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118 hi def link coffeeObjAssign Identifier
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119
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120 syn keyword coffeeTodo TODO FIXME XXX contained
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121 hi def link coffeeTodo Todo
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122
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123 syn match coffeeComment /#.*/ contains=@Spell,coffeeTodo
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124 hi def link coffeeComment Comment
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125
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126 syn region coffeeBlockComment start=/####\@!/ end=/###/
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127 \ contains=@Spell,coffeeTodo
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128 hi def link coffeeBlockComment coffeeComment
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129
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130 " A comment in a heregex
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131 syn region coffeeHeregexComment start=/#/ end=/\ze\/\/\/\|$/ contained
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132 \ contains=@Spell,coffeeTodo
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133 hi def link coffeeHeregexComment coffeeComment
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134
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135 " Embedded JavaScript
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136 syn region coffeeEmbed matchgroup=coffeeEmbedDelim
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137 \ start=/`/ skip=/\\\\\|\\`/ end=/`/
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138 \ contains=@coffeeJS
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139 hi def link coffeeEmbedDelim Delimiter
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140
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141 syn region coffeeInterp matchgroup=coffeeInterpDelim start=/#{/ end=/}/ contained
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142 \ contains=@coffeeAll
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143 hi def link coffeeInterpDelim PreProc
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144
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145 " A string escape sequence
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146 syn match coffeeEscape /\\\d\d\d\|\\x\x\{2\}\|\\u\x\{4\}\|\\./ contained display
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147 hi def link coffeeEscape SpecialChar
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148
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149 " A regex -- must not follow a parenthesis, number, or identifier, and must not
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150 " be followed by a number
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151 syn region coffeeRegex start=/\%(\%()\|\i\@<!\d\)\s*\|\i\)\@<!\/=\@!\s\@!/
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152 \ skip=/\[[^\]]\{-}\/[^\]]\{-}\]/
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153 \ end=/\/[gimy]\{,4}\d\@!/
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154 \ oneline contains=@coffeeBasicString
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155 hi def link coffeeRegex String
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156
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157 " A heregex
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158 syn region coffeeHeregex start=/\/\/\// end=/\/\/\/[gimy]\{,4}/
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159 \ contains=@coffeeInterpString,coffeeHeregexComment
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160 \ fold
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161 hi def link coffeeHeregex coffeeRegex
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162
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163 " Heredoc strings
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164 syn region coffeeHeredoc start=/"""/ end=/"""/ contains=@coffeeInterpString
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165 \ fold
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166 syn region coffeeHeredoc start=/'''/ end=/'''/ contains=@coffeeBasicString
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167 \ fold
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168 hi def link coffeeHeredoc String
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169
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170 " An error for trailing whitespace, as long as the line isn't just whitespace
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171 if !exists("coffee_no_trailing_space_error")
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172 syn match coffeeSpaceError /\S\@<=\s\+$/ display
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173 hi def link coffeeSpaceError Error
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174 endif
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175
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176 " An error for trailing semicolons, for help transitioning from JavaScript
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177 if !exists("coffee_no_trailing_semicolon_error")
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178 syn match coffeeSemicolonError /;$/ display
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179 hi def link coffeeSemicolonError Error
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180 endif
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181
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182 " Ignore reserved words in dot accesses.
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183 syn match coffeeDotAccess /\.\@<!\.\s*\I\i*/he=s+1 contains=@coffeeIdentifier
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184 hi def link coffeeDotAccess coffeeExtendedOp
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185
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186 " Ignore reserved words in prototype accesses.
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187 syn match coffeeProtoAccess /::\s*\I\i*/he=s+2 contains=@coffeeIdentifier
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188 hi def link coffeeProtoAccess coffeeExtendedOp
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189
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190 " This is required for interpolations to work.
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191 syn region coffeeCurlies matchgroup=coffeeCurly start=/{/ end=/}/
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192 \ contains=@coffeeAll
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193 syn region coffeeBrackets matchgroup=coffeeBracket start=/\[/ end=/\]/
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194 \ contains=@coffeeAll
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195 syn region coffeeParens matchgroup=coffeeParen start=/(/ end=/)/
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196 \ contains=@coffeeAll
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197
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198 " These are highlighted the same as commas since they tend to go together.
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199 hi def link coffeeBlock coffeeSpecialOp
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200 hi def link coffeeBracket coffeeBlock
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201 hi def link coffeeCurly coffeeBlock
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202 hi def link coffeeParen coffeeBlock
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203
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204 " This is used instead of TOP to keep things coffee-specific for good
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205 " embedding. `contained` groups aren't included.
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206 syn cluster coffeeAll contains=coffeeStatement,coffeeRepeat,coffeeConditional,
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207 \ coffeeException,coffeeKeyword,coffeeOperator,
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208 \ coffeeExtendedOp,coffeeSpecialOp,coffeeBoolean,
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209 \ coffeeGlobal,coffeeSpecialVar,coffeeSpecialIdent,
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210 \ coffeeObject,coffeeConstant,coffeeString,
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211 \ coffeeNumber,coffeeFloat,coffeeReservedError,
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212 \ coffeeObjAssign,coffeeComment,coffeeBlockComment,
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213 \ coffeeEmbed,coffeeRegex,coffeeHeregex,
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214 \ coffeeHeredoc,coffeeSpaceError,
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215 \ coffeeSemicolonError,coffeeDotAccess,
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216 \ coffeeProtoAccess,coffeeCurlies,coffeeBrackets,
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217 \ coffeeParens
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218
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219 if !exists('b:current_syntax')
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220 let b:current_syntax = 'coffee'
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221 endif