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1 " Vim syntax file
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2 " Language: CHILL
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3 " Maintainer: YoungSang Yoon <image@lgic.co.kr>
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4 " Last change: 2004 Jan 21
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5 "
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6
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7 " first created by image@lgic.co.kr & modified by paris@lgic.co.kr
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8
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9 " CHILL (CCITT High Level Programming Language) is used for
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10 " developing software of ATM switch at LGIC (LG Information
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11 " & Communications LTd.)
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12
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13
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14 " For version 5.x: Clear all syntax items
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15 " For version 6.x: Quit when a syntax file was already loaded
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16 if version < 600
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17 syntax clear
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18 elseif exists("b:current_syntax")
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19 finish
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20 endif
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21
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22 " A bunch of useful CHILL keywords
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23 syn keyword chillStatement goto GOTO return RETURN returns RETURNS
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24 syn keyword chillLabel CASE case ESAC esac
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25 syn keyword chillConditional if IF else ELSE elsif ELSIF switch SWITCH THEN then FI fi
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26 syn keyword chillLogical NOT not
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27 syn keyword chillRepeat while WHILE for FOR do DO od OD TO to
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28 syn keyword chillProcess START start STACKSIZE stacksize PRIORITY priority THIS this STOP stop
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29 syn keyword chillBlock PROC proc PROCESS process
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30 syn keyword chillSignal RECEIVE receive SEND send NONPERSISTENT nonpersistent PERSISTENT peristent SET set EVER ever
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31
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32 syn keyword chillTodo contained TODO FIXME XXX
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33
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34 " String and Character constants
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35 " Highlight special characters (those which have a backslash) differently
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36 syn match chillSpecial contained "\\x\x\+\|\\\o\{1,3\}\|\\.\|\\$"
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37 syn region chillString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=chillSpecial
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38 syn match chillCharacter "'[^\\]'"
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39 syn match chillSpecialCharacter "'\\.'"
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40 syn match chillSpecialCharacter "'\\\o\{1,3\}'"
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41
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42 "when wanted, highlight trailing white space
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43 if exists("chill_space_errors")
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44 syn match chillSpaceError "\s*$"
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45 syn match chillSpaceError " \+\t"me=e-1
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46 endif
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47
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48 "catch errors caused by wrong parenthesis
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49 syn cluster chillParenGroup contains=chillParenError,chillIncluded,chillSpecial,chillTodo,chillUserCont,chillUserLabel,chillBitField
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50 syn region chillParen transparent start='(' end=')' contains=ALLBUT,@chillParenGroup
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51 syn match chillParenError ")"
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52 syn match chillInParen contained "[{}]"
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53
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54 "integer number, or floating point number without a dot and with "f".
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55 syn case ignore
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56 syn match chillNumber "\<\d\+\(u\=l\=\|lu\|f\)\>"
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57 "floating point number, with dot, optional exponent
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58 syn match chillFloat "\<\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=\>"
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59 "floating point number, starting with a dot, optional exponent
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60 syn match chillFloat "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>"
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61 "floating point number, without dot, with exponent
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62 syn match chillFloat "\<\d\+e[-+]\=\d\+[fl]\=\>"
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63 "hex number
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64 syn match chillNumber "\<0x\x\+\(u\=l\=\|lu\)\>"
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65 "syn match chillIdentifier "\<[a-z_][a-z0-9_]*\>"
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66 syn case match
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67 " flag an octal number with wrong digits
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68 syn match chillOctalError "\<0\o*[89]"
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69
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70 if exists("chill_comment_strings")
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71 " A comment can contain chillString, chillCharacter and chillNumber.
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72 " But a "*/" inside a chillString in a chillComment DOES end the comment! So we
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73 " need to use a special type of chillString: chillCommentString, which also ends on
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74 " "*/", and sees a "*" at the start of the line as comment again.
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75 " Unfortunately this doesn't very well work for // type of comments :-(
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76 syntax match chillCommentSkip contained "^\s*\*\($\|\s\+\)"
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77 syntax region chillCommentString contained start=+"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=chillSpecial,chillCommentSkip
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78 syntax region chillComment2String contained start=+"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=chillSpecial
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79 syntax region chillComment start="/\*" end="\*/" contains=chillTodo,chillCommentString,chillCharacter,chillNumber,chillFloat,chillSpaceError
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80 syntax match chillComment "//.*" contains=chillTodo,chillComment2String,chillCharacter,chillNumber,chillSpaceError
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81 else
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82 syn region chillComment start="/\*" end="\*/" contains=chillTodo,chillSpaceError
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83 syn match chillComment "//.*" contains=chillTodo,chillSpaceError
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84 endif
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85 syntax match chillCommentError "\*/"
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86
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87 syn keyword chillOperator SIZE size
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88 syn keyword chillType dcl DCL int INT char CHAR bool BOOL REF ref LOC loc INSTANCE instance
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89 syn keyword chillStructure struct STRUCT enum ENUM newmode NEWMODE synmode SYNMODE
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90 "syn keyword chillStorageClass
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91 syn keyword chillBlock PROC proc END end
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92 syn keyword chillScope GRANT grant SEIZE seize
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93 syn keyword chillEDML select SELECT delete DELETE update UPDATE in IN seq SEQ WHERE where INSERT insert include INCLUDE exclude EXCLUDE
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94 syn keyword chillBoolConst true TRUE false FALSE
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95
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96 syn region chillPreCondit start="^\s*#\s*\(if\>\|ifdef\>\|ifndef\>\|elif\>\|else\>\|endif\>\)" skip="\\$" end="$" contains=chillComment,chillString,chillCharacter,chillNumber,chillCommentError,chillSpaceError
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97 syn region chillIncluded contained start=+"+ skip=+\\\\\|\\"+ end=+"+
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98 syn match chillIncluded contained "<[^>]*>"
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99 syn match chillInclude "^\s*#\s*include\>\s*["<]" contains=chillIncluded
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100 "syn match chillLineSkip "\\$"
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101 syn cluster chillPreProcGroup contains=chillPreCondit,chillIncluded,chillInclude,chillDefine,chillInParen,chillUserLabel
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102 syn region chillDefine start="^\s*#\s*\(define\>\|undef\>\)" skip="\\$" end="$" contains=ALLBUT,@chillPreProcGroup
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103 syn region chillPreProc start="^\s*#\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" contains=ALLBUT,@chillPreProcGroup
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104
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105 " Highlight User Labels
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106 syn cluster chillMultiGroup contains=chillIncluded,chillSpecial,chillTodo,chillUserCont,chillUserLabel,chillBitField
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107 syn region chillMulti transparent start='?' end=':' contains=ALLBUT,@chillMultiGroup
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108 " Avoid matching foo::bar() in C++ by requiring that the next char is not ':'
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109 syn match chillUserCont "^\s*\I\i*\s*:$" contains=chillUserLabel
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110 syn match chillUserCont ";\s*\I\i*\s*:$" contains=chillUserLabel
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111 syn match chillUserCont "^\s*\I\i*\s*:[^:]"me=e-1 contains=chillUserLabel
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112 syn match chillUserCont ";\s*\I\i*\s*:[^:]"me=e-1 contains=chillUserLabel
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113
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114 syn match chillUserLabel "\I\i*" contained
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115
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116 " Avoid recognizing most bitfields as labels
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117 syn match chillBitField "^\s*\I\i*\s*:\s*[1-9]"me=e-1
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118 syn match chillBitField ";\s*\I\i*\s*:\s*[1-9]"me=e-1
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119
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120 syn match chillBracket contained "[<>]"
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121 if !exists("chill_minlines")
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122 let chill_minlines = 15
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123 endif
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124 exec "syn sync ccomment chillComment minlines=" . chill_minlines
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125
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126 " Define the default highlighting.
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127 " For version 5.7 and earlier: only when not done already
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128 " For version 5.8 and later: only when an item doesn't have highlighting yet
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129 if version >= 508 || !exists("did_ch_syntax_inits")
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130 if version < 508
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131 let did_ch_syntax_inits = 1
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132 command -nargs=+ HiLink hi link <args>
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133 else
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134 command -nargs=+ HiLink hi def link <args>
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135 endif
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136
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137 HiLink chillLabel Label
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138 HiLink chillUserLabel Label
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139 HiLink chillConditional Conditional
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140 " hi chillConditional term=bold ctermfg=red guifg=red gui=bold
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141
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142 HiLink chillRepeat Repeat
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143 HiLink chillProcess Repeat
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144 HiLink chillSignal Repeat
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145 HiLink chillCharacter Character
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146 HiLink chillSpecialCharacter chillSpecial
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147 HiLink chillNumber Number
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148 HiLink chillFloat Float
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149 HiLink chillOctalError chillError
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150 HiLink chillParenError chillError
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151 HiLink chillInParen chillError
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152 HiLink chillCommentError chillError
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153 HiLink chillSpaceError chillError
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154 HiLink chillOperator Operator
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155 HiLink chillStructure Structure
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156 HiLink chillBlock Operator
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157 HiLink chillScope Operator
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158 "hi chillEDML term=underline ctermfg=DarkRed guifg=Red
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159 HiLink chillEDML PreProc
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160 "hi chillBoolConst term=bold ctermfg=brown guifg=brown
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161 HiLink chillBoolConst Constant
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162 "hi chillLogical term=bold ctermfg=brown guifg=brown
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163 HiLink chillLogical Constant
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164 HiLink chillStorageClass StorageClass
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165 HiLink chillInclude Include
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166 HiLink chillPreProc PreProc
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167 HiLink chillDefine Macro
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168 HiLink chillIncluded chillString
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169 HiLink chillError Error
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170 HiLink chillStatement Statement
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171 HiLink chillPreCondit PreCondit
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172 HiLink chillType Type
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173 HiLink chillCommentError chillError
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174 HiLink chillCommentString chillString
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175 HiLink chillComment2String chillString
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176 HiLink chillCommentSkip chillComment
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177 HiLink chillString String
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178 HiLink chillComment Comment
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179 " hi chillComment term=None ctermfg=lightblue guifg=lightblue
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180 HiLink chillSpecial SpecialChar
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181 HiLink chillTodo Todo
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182 HiLink chillBlock Statement
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183 "HiLink chillIdentifier Identifier
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184 HiLink chillBracket Delimiter
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185
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186 delcommand HiLink
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187 endif
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188
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189 let b:current_syntax = "chill"
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190
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191 " vim: ts=8
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