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7
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1 " Vim syntax file
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2 " Language: C
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3 " Maintainer: Bram Moolenaar <Bram@vim.org>
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827
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4 " Last Change: 2006 Apr 12
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7
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5
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344
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6 " Quit when a (custom) syntax file was already loaded
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7 if exists("b:current_syntax")
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7
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8 finish
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9 endif
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10
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11 " A bunch of useful C keywords
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12 syn keyword cStatement goto break return continue asm
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13 syn keyword cLabel case default
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14 syn keyword cConditional if else switch
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15 syn keyword cRepeat while for do
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16
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17 syn keyword cTodo contained TODO FIXME XXX
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18
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19 " cCommentGroup allows adding matches for special things in comments
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20 syn cluster cCommentGroup contains=cTodo
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21
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22 " String and Character constants
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23 " Highlight special characters (those which have a backslash) differently
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24 syn match cSpecial display contained "\\\(x\x\+\|\o\{1,3}\|.\|$\)"
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25 if !exists("c_no_utf")
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26 syn match cSpecial display contained "\\\(u\x\{4}\|U\x\{8}\)"
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27 endif
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28 if exists("c_no_cformat")
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29 syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,@Spell
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30 " cCppString: same as cString, but ends at end of line
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31 syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,@Spell
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32 else
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827
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33 if !exists("c_no_c99") " ISO C99
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34 syn match cFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlLjzt]\|ll\|hh\)\=\([aAbdiuoxXDOUfFeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained
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35 else
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36 syn match cFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlL]\|ll\)\=\([bdiuoxXDOUfeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained
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37 endif
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38 syn match cFormat display "%%" contained
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39 syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell
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40 " cCppString: same as cString, but ends at end of line
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41 syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell
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42 endif
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43
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44 syn match cCharacter "L\='[^\\]'"
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45 syn match cCharacter "L'[^']*'" contains=cSpecial
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46 if exists("c_gnu")
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47 syn match cSpecialError "L\='\\[^'\"?\\abefnrtv]'"
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48 syn match cSpecialCharacter "L\='\\['\"?\\abefnrtv]'"
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49 else
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50 syn match cSpecialError "L\='\\[^'\"?\\abfnrtv]'"
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51 syn match cSpecialCharacter "L\='\\['\"?\\abfnrtv]'"
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52 endif
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53 syn match cSpecialCharacter display "L\='\\\o\{1,3}'"
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54 syn match cSpecialCharacter display "'\\x\x\{1,2}'"
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55 syn match cSpecialCharacter display "L'\\x\x\+'"
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56
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57 "when wanted, highlight trailing white space
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58 if exists("c_space_errors")
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59 if !exists("c_no_trail_space_error")
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60 syn match cSpaceError display excludenl "\s\+$"
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61 endif
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62 if !exists("c_no_tab_space_error")
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63 syn match cSpaceError display " \+\t"me=e-1
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64 endif
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65 endif
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66
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67 "catch errors caused by wrong parenthesis and brackets
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68 " also accept <% for {, %> for }, <: for [ and :> for ] (C99)
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69 " But avoid matching <::.
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70 syn cluster cParenGroup contains=cParenError,cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cCommentSkip,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom
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140
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71 if exists("c_no_curly_error")
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72 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString,@Spell
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73 " cCppParen: same as cParen but ends at end-of-line; used in cDefine
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74 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell
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75 syn match cParenError display ")"
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76 syn match cErrInParen display contained "^[{}]\|^<%\|^%>"
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77 elseif exists("c_no_bracket_error")
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7
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78 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString,@Spell
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79 " cCppParen: same as cParen but ends at end-of-line; used in cDefine
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80 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell
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81 syn match cParenError display ")"
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82 syn match cErrInParen display contained "[{}]\|<%\|%>"
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83 else
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84 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,cCppString,@Spell
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85 " cCppParen: same as cParen but ends at end-of-line; used in cDefine
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86 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString,@Spell
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87 syn match cParenError display "[\])]"
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88 syn match cErrInParen display contained "[\]{}]\|<%\|%>"
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89 syn region cBracket transparent start='\[\|<::\@!' end=']\|:>' contains=ALLBUT,@cParenGroup,cErrInParen,cCppParen,cCppBracket,cCppString,@Spell
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90 " cCppBracket: same as cParen but ends at end-of-line; used in cDefine
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91 syn region cCppBracket transparent start='\[\|<::\@!' skip='\\$' excludenl end=']\|:>' end='$' contained contains=ALLBUT,@cParenGroup,cErrInParen,cParen,cBracket,cString,@Spell
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92 syn match cErrInBracket display contained "[);{}]\|<%\|%>"
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93 endif
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94
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95 "integer number, or floating point number without a dot and with "f".
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96 syn case ignore
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97 syn match cNumbers display transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctalError,cOctal
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98 " Same, but without octal error (for comments)
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99 syn match cNumbersCom display contained transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctal
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100 syn match cNumber display contained "\d\+\(u\=l\{0,2}\|ll\=u\)\>"
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101 "hex number
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102 syn match cNumber display contained "0x\x\+\(u\=l\{0,2}\|ll\=u\)\>"
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103 " Flag the first zero of an octal number as something special
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104 syn match cOctal display contained "0\o\+\(u\=l\{0,2}\|ll\=u\)\>" contains=cOctalZero
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105 syn match cOctalZero display contained "\<0"
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106 syn match cFloat display contained "\d\+f"
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107 "floating point number, with dot, optional exponent
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108 syn match cFloat display contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\="
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109 "floating point number, starting with a dot, optional exponent
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110 syn match cFloat display contained "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>"
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111 "floating point number, without dot, with exponent
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112 syn match cFloat display contained "\d\+e[-+]\=\d\+[fl]\=\>"
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113 if !exists("c_no_c99")
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114 "hexadecimal floating point number, optional leading digits, with dot, with exponent
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115 syn match cFloat display contained "0x\x*\.\x\+p[-+]\=\d\+[fl]\=\>"
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116 "hexadecimal floating point number, with leading digits, optional dot, with exponent
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117 syn match cFloat display contained "0x\x\+\.\=p[-+]\=\d\+[fl]\=\>"
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118 endif
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119
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120 " flag an octal number with wrong digits
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121 syn match cOctalError display contained "0\o*[89]\d*"
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122 syn case match
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123
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124 if exists("c_comment_strings")
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125 " A comment can contain cString, cCharacter and cNumber.
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126 " But a "*/" inside a cString in a cComment DOES end the comment! So we
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127 " need to use a special type of cString: cCommentString, which also ends on
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128 " "*/", and sees a "*" at the start of the line as comment again.
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129 " Unfortunately this doesn't very well work for // type of comments :-(
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130 syntax match cCommentSkip contained "^\s*\*\($\|\s\+\)"
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131 syntax region cCommentString contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=cSpecial,cCommentSkip
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132 syntax region cComment2String contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=cSpecial
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133 syntax region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError,@Spell
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36
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134 if exists("c_no_comment_fold")
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135 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell
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136 else
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137 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell fold
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138 endif
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7
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139 else
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140 syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError,@Spell
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36
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141 if exists("c_no_comment_fold")
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142 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell
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143 else
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144 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell fold
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145 endif
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7
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146 endif
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147 " keep a // comment separately, it terminates a preproc. conditional
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148 syntax match cCommentError display "\*/"
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149 syntax match cCommentStartError display "/\*"me=e-1 contained
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150
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36
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151 syntax region cBlock start="{" end="}" transparent fold
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152
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7
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153 syn keyword cOperator sizeof
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154 if exists("c_gnu")
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155 syn keyword cStatement __asm__
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156 syn keyword cOperator typeof __real__ __imag__
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157 endif
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158 syn keyword cType int long short char void
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159 syn keyword cType signed unsigned float double
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160 if !exists("c_no_ansi") || exists("c_ansi_typedefs")
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161 syn keyword cType size_t ssize_t wchar_t ptrdiff_t sig_atomic_t fpos_t
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162 syn keyword cType clock_t time_t va_list jmp_buf FILE DIR div_t ldiv_t
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163 syn keyword cType mbstate_t wctrans_t wint_t wctype_t
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164 endif
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165 if !exists("c_no_c99") " ISO C99
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166 syn keyword cType bool complex
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167 syn keyword cType int8_t int16_t int32_t int64_t
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168 syn keyword cType uint8_t uint16_t uint32_t uint64_t
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169 syn keyword cType int_least8_t int_least16_t int_least32_t int_least64_t
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170 syn keyword cType uint_least8_t uint_least16_t uint_least32_t uint_least64_t
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171 syn keyword cType int_fast8_t int_fast16_t int_fast32_t int_fast64_t
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172 syn keyword cType uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t
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173 syn keyword cType intptr_t uintptr_t
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174 syn keyword cType intmax_t uintmax_t
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175 endif
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176 if exists("c_gnu")
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177 syn keyword cType __label__ __complex__ __volatile__
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178 endif
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179
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180 syn keyword cStructure struct union enum typedef
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181 syn keyword cStorageClass static register auto volatile extern const
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182 if exists("c_gnu")
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183 syn keyword cStorageClass inline __attribute__
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184 endif
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185 if !exists("c_no_c99")
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186 syn keyword cStorageClass inline restrict
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187 endif
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188
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189 if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu")
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190 if exists("c_gnu")
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819
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191 syn keyword cConstant __GNUC__ __FUNCTION__ __PRETTY_FUNCTION__ __func__
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7
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192 endif
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193 syn keyword cConstant __LINE__ __FILE__ __DATE__ __TIME__ __STDC__
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194 syn keyword cConstant __STDC_VERSION__
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195 syn keyword cConstant CHAR_BIT MB_LEN_MAX MB_CUR_MAX
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196 syn keyword cConstant UCHAR_MAX UINT_MAX ULONG_MAX USHRT_MAX
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197 syn keyword cConstant CHAR_MIN INT_MIN LONG_MIN SHRT_MIN
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198 syn keyword cConstant CHAR_MAX INT_MAX LONG_MAX SHRT_MAX
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199 syn keyword cConstant SCHAR_MIN SINT_MIN SLONG_MIN SSHRT_MIN
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200 syn keyword cConstant SCHAR_MAX SINT_MAX SLONG_MAX SSHRT_MAX
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201 if !exists("c_no_c99")
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819
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202 syn keyword cConstant __func__
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7
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203 syn keyword cConstant LLONG_MAX ULLONG_MAX
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204 syn keyword cConstant INT8_MIN INT16_MIN INT32_MIN INT64_MIN
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205 syn keyword cConstant INT8_MAX INT16_MAX INT32_MAX INT64_MAX
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206 syn keyword cConstant UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX
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207 syn keyword cConstant INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN
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208 syn keyword cConstant INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX
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209 syn keyword cConstant UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX
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210 syn keyword cConstant INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN
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211 syn keyword cConstant INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX
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212 syn keyword cConstant UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX
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213 syn keyword cConstant INTPTR_MIN INTPTR_MAX UINTPTR_MAX
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214 syn keyword cConstant INTMAX_MIN INTMAX_MAX UINTMAX_MAX
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215 syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX
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216 syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX
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217 endif
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218 syn keyword cConstant FLT_RADIX FLT_ROUNDS
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219 syn keyword cConstant FLT_DIG FLT_MANT_DIG FLT_EPSILON
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220 syn keyword cConstant DBL_DIG DBL_MANT_DIG DBL_EPSILON
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221 syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON
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222 syn keyword cConstant FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP
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223 syn keyword cConstant FLT_MIN_10_EXP FLT_MAX_10_EXP
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224 syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP
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225 syn keyword cConstant DBL_MIN_10_EXP DBL_MAX_10_EXP
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226 syn keyword cConstant LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP
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227 syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP
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228 syn keyword cConstant HUGE_VAL CLOCKS_PER_SEC NULL
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229 syn keyword cConstant LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY
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230 syn keyword cConstant LC_NUMERIC LC_TIME
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231 syn keyword cConstant SIG_DFL SIG_ERR SIG_IGN
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232 syn keyword cConstant SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM
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233 " Add POSIX signals as well...
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234 syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP
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235 syn keyword cConstant SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV
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236 syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU
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237 syn keyword cConstant SIGUSR1 SIGUSR2
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238 syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF
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239 syn keyword cConstant FOPEN_MAX FILENAME_MAX L_tmpnam
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240 syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET
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241 syn keyword cConstant TMP_MAX stderr stdin stdout
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242 syn keyword cConstant EXIT_FAILURE EXIT_SUCCESS RAND_MAX
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243 " Add POSIX errors as well
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244 syn keyword cConstant E2BIG EACCES EAGAIN EBADF EBADMSG EBUSY
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245 syn keyword cConstant ECANCELED ECHILD EDEADLK EDOM EEXIST EFAULT
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246 syn keyword cConstant EFBIG EILSEQ EINPROGRESS EINTR EINVAL EIO EISDIR
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247 syn keyword cConstant EMFILE EMLINK EMSGSIZE ENAMETOOLONG ENFILE ENODEV
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248 syn keyword cConstant ENOENT ENOEXEC ENOLCK ENOMEM ENOSPC ENOSYS
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249 syn keyword cConstant ENOTDIR ENOTEMPTY ENOTSUP ENOTTY ENXIO EPERM
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250 syn keyword cConstant EPIPE ERANGE EROFS ESPIPE ESRCH ETIMEDOUT EXDEV
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251 " math.h
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252 syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4
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253 syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2
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254 endif
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255 if !exists("c_no_c99") " ISO C99
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256 syn keyword cConstant true false
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257 endif
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258
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259 " Accept %: for # (C99)
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260 syn region cPreCondit start="^\s*\(%:\|#\)\s*\(if\|ifdef\|ifndef\|elif\)\>" skip="\\$" end="$" end="//"me=s-1 contains=cComment,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError
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261 syn match cPreCondit display "^\s*\(%:\|#\)\s*\(else\|endif\)\>"
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262 if !exists("c_no_if0")
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263 syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2
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264 syn region cCppOut2 contained start="0" end="^\s*\(%:\|#\)\s*\(endif\>\|else\>\|elif\>\)" contains=cSpaceError,cCppSkip
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265 syn region cCppSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppSkip
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266 endif
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267 syn region cIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+
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268 syn match cIncluded display contained "<[^>]*>"
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269 syn match cInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=cIncluded
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270 "syn match cLineSkip "\\$"
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271 syn cluster cPreProcGroup contains=cPreCondit,cIncluded,cInclude,cDefine,cErrInParen,cErrInBracket,cUserLabel,cSpecial,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cString,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cParen,cBracket,cMulti
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272 syn region cDefine start="^\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$" end="//"me=s-1 contains=ALLBUT,@cPreProcGroup,@Spell
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273 syn region cPreProc start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell
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274
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275 " Highlight User Labels
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276 syn cluster cMultiGroup contains=cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cCppParen,cCppBracket,cCppString
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277 syn region cMulti transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup,@Spell
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278 " Avoid matching foo::bar() in C++ by requiring that the next char is not ':'
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279 syn cluster cLabelGroup contains=cUserLabel
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280 syn match cUserCont display "^\s*\I\i*\s*:$" contains=@cLabelGroup
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281 syn match cUserCont display ";\s*\I\i*\s*:$" contains=@cLabelGroup
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282 syn match cUserCont display "^\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup
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283 syn match cUserCont display ";\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup
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284
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285 syn match cUserLabel display "\I\i*" contained
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286
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287 " Avoid recognizing most bitfields as labels
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288 syn match cBitField display "^\s*\I\i*\s*:\s*[1-9]"me=e-1
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289 syn match cBitField display ";\s*\I\i*\s*:\s*[1-9]"me=e-1
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290
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291 if exists("c_minlines")
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292 let b:c_minlines = c_minlines
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293 else
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294 if !exists("c_no_if0")
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295 let b:c_minlines = 50 " #if 0 constructs can be long
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296 else
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297 let b:c_minlines = 15 " mostly for () constructs
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298 endif
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299 endif
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300 exec "syn sync ccomment cComment minlines=" . b:c_minlines
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301
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302 " Define the default highlighting.
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344
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303 " Only used when an item doesn't have highlighting yet
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304 hi def link cFormat cSpecial
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305 hi def link cCppString cString
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306 hi def link cCommentL cComment
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307 hi def link cCommentStart cComment
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308 hi def link cLabel Label
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309 hi def link cUserLabel Label
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310 hi def link cConditional Conditional
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311 hi def link cRepeat Repeat
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312 hi def link cCharacter Character
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313 hi def link cSpecialCharacter cSpecial
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314 hi def link cNumber Number
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315 hi def link cOctal Number
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316 hi def link cOctalZero PreProc " link this to Error if you want
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317 hi def link cFloat Float
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318 hi def link cOctalError cError
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319 hi def link cParenError cError
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320 hi def link cErrInParen cError
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321 hi def link cErrInBracket cError
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322 hi def link cCommentError cError
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323 hi def link cCommentStartError cError
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324 hi def link cSpaceError cError
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325 hi def link cSpecialError cError
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326 hi def link cOperator Operator
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327 hi def link cStructure Structure
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328 hi def link cStorageClass StorageClass
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329 hi def link cInclude Include
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330 hi def link cPreProc PreProc
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331 hi def link cDefine Macro
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332 hi def link cIncluded cString
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333 hi def link cError Error
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334 hi def link cStatement Statement
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335 hi def link cPreCondit PreCondit
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336 hi def link cType Type
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337 hi def link cConstant Constant
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338 hi def link cCommentString cString
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339 hi def link cComment2String cString
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340 hi def link cCommentSkip cComment
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341 hi def link cString String
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342 hi def link cComment Comment
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343 hi def link cSpecial SpecialChar
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344 hi def link cTodo Todo
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345 hi def link cCppSkip cCppOut
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346 hi def link cCppOut2 cCppOut
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347 hi def link cCppOut Comment
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7
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348
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349 let b:current_syntax = "c"
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350
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351 " vim: ts=8
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