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1 " Vim syntax file
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2 " Language: ABEL
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3 " Maintainer: John Cook <john.cook@kla-tencor.com>
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4 " Last Change: 2001 Sep 2
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5
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6 " For version 5.x: Clear all syntax items
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7 " For version 6.x: Quit when a syntax file was already loaded
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8 if version < 600
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9 syntax clear
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10 elseif exists("b:current_syntax")
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11 finish
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12 endif
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13
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14 " this language is oblivious to case
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15 syn case ignore
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16
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17 " A bunch of keywords
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18 syn keyword abelHeader module title device options
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19 syn keyword abelSection declarations equations test_vectors end
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20 syn keyword abelDeclaration state truth_table state_diagram property
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21 syn keyword abelType pin node attribute constant macro library
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22
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23 syn keyword abelTypeId com reg neg pos buffer dc reg_d reg_t contained
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24 syn keyword abelTypeId reg_sr reg_jk reg_g retain xor invert contained
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25
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26 syn keyword abelStatement when then else if with endwith case endcase
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27 syn keyword abelStatement fuses expr trace
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28
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29 " option to omit obsolete statements
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30 if exists("abel_obsolete_ok")
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31 syn keyword abelStatement enable flag in
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32 else
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33 syn keyword abelError enable flag in
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34 endif
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35
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36 " directives
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37 syn match abelDirective "@alternate"
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38 syn match abelDirective "@standard"
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39 syn match abelDirective "@const"
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40 syn match abelDirective "@dcset"
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41 syn match abelDirective "@include"
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42 syn match abelDirective "@page"
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43 syn match abelDirective "@radix"
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44 syn match abelDirective "@repeat"
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45 syn match abelDirective "@irp"
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46 syn match abelDirective "@expr"
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47 syn match abelDirective "@if"
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48 syn match abelDirective "@ifb"
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49 syn match abelDirective "@ifnb"
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50 syn match abelDirective "@ifdef"
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51 syn match abelDirective "@ifndef"
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52 syn match abelDirective "@ifiden"
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53 syn match abelDirective "@ifniden"
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54
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55 syn keyword abelTodo contained TODO XXX FIXME
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56
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57 " wrap up type identifiers to differentiate them from normal strings
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58 syn region abelSpecifier start='istype' end=';' contains=abelTypeIdChar,abelTypeId,abelTypeIdEnd keepend
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59 syn match abelTypeIdChar "[,']" contained
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60 syn match abelTypeIdEnd ";" contained
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61
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62 " string contstants and special characters within them
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63 syn match abelSpecial contained "\\['\\]"
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64 syn region abelString start=+'+ skip=+\\"+ end=+'+ contains=abelSpecial
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65
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66 " valid integer number formats (decimal, binary, octal, hex)
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67 syn match abelNumber "\<[-+]\=[0-9]\+\>"
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68 syn match abelNumber "\^d[0-9]\+\>"
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69 syn match abelNumber "\^b[01]\+\>"
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70 syn match abelNumber "\^o[0-7]\+\>"
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71 syn match abelNumber "\^h[0-9a-f]\+\>"
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72
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73 " special characters
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74 " (define these after abelOperator so ?= overrides ?)
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75 syn match abelSpecialChar "[\[\](){},;:?]"
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76
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77 " operators
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78 syn match abelLogicalOperator "[!#&$]"
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79 syn match abelRangeOperator "\.\."
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80 syn match abelAlternateOperator "[/*+]"
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81 syn match abelAlternateOperator ":[+*]:"
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82 syn match abelArithmeticOperator "[-%]"
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83 syn match abelArithmeticOperator "<<"
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84 syn match abelArithmeticOperator ">>"
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85 syn match abelRelationalOperator "[<>!=]="
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86 syn match abelRelationalOperator "[<>]"
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87 syn match abelAssignmentOperator "[:?]\=="
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88 syn match abelAssignmentOperator "?:="
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89 syn match abelTruthTableOperator "->"
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90
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91 " signal extensions
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92 syn match abelExtension "\.aclr\>"
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93 syn match abelExtension "\.aset\>"
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94 syn match abelExtension "\.clk\>"
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95 syn match abelExtension "\.clr\>"
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96 syn match abelExtension "\.com\>"
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97 syn match abelExtension "\.fb\>"
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98 syn match abelExtension "\.[co]e\>"
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99 syn match abelExtension "\.l[eh]\>"
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100 syn match abelExtension "\.fc\>"
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101 syn match abelExtension "\.pin\>"
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102 syn match abelExtension "\.set\>"
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103 syn match abelExtension "\.[djksrtq]\>"
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104 syn match abelExtension "\.pr\>"
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105 syn match abelExtension "\.re\>"
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106 syn match abelExtension "\.a[pr]\>"
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107 syn match abelExtension "\.s[pr]\>"
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108
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109 " special constants
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110 syn match abelConstant "\.[ckudfpxz]\."
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111 syn match abelConstant "\.sv[2-9]\."
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112
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113 " one-line comments
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114 syn region abelComment start=+"+ end=+"\|$+ contains=abelNumber,abelTodo
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115 " option to prevent C++ style comments
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116 if !exists("abel_cpp_comments_illegal")
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117 syn region abelComment start=+//+ end=+$+ contains=abelNumber,abelTodo
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118 endif
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119
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120 syn sync minlines=1
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121
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122 " Define the default highlighting.
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123 " For version 5.7 and earlier: only when not done already
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124 " For version 5.8 and later: only when an item doesn't have highlighting yet
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125 if version >= 508 || !exists("did_abel_syn_inits")
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126 if version < 508
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127 let did_abel_syn_inits = 1
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128 command -nargs=+ HiLink hi link <args>
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129 else
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130 command -nargs=+ HiLink hi def link <args>
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131 endif
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132
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133 " The default highlighting.
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134 HiLink abelHeader abelStatement
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135 HiLink abelSection abelStatement
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136 HiLink abelDeclaration abelStatement
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137 HiLink abelLogicalOperator abelOperator
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138 HiLink abelRangeOperator abelOperator
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139 HiLink abelAlternateOperator abelOperator
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140 HiLink abelArithmeticOperator abelOperator
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141 HiLink abelRelationalOperator abelOperator
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142 HiLink abelAssignmentOperator abelOperator
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143 HiLink abelTruthTableOperator abelOperator
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144 HiLink abelSpecifier abelStatement
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145 HiLink abelOperator abelStatement
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146 HiLink abelStatement Statement
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147 HiLink abelIdentifier Identifier
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148 HiLink abelTypeId abelType
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149 HiLink abelTypeIdChar abelType
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150 HiLink abelType Type
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151 HiLink abelNumber abelString
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152 HiLink abelString String
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153 HiLink abelConstant Constant
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154 HiLink abelComment Comment
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155 HiLink abelExtension abelSpecial
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156 HiLink abelSpecialChar abelSpecial
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157 HiLink abelTypeIdEnd abelSpecial
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158 HiLink abelSpecial Special
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159 HiLink abelDirective PreProc
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160 HiLink abelTodo Todo
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161 HiLink abelError Error
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162
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163 delcommand HiLink
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164 endif
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165
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166 let b:current_syntax = "abel"
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167 " vim:ts=8
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