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annotate runtime/syntax/yacc.vim @ 34:e170173ecb68 current-release

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before ack base protocol.
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 26 Nov 2008 15:02:10 +0900
parents 76efa0be13f1
children c16898406ff2
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1 " Vim syntax file
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2 " Language: Yacc
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3 " Maintainer: Charles E. Campbell, Jr. <NdrOchipS@PcampbellAfamily.Mbiz>
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4 " Last Change: Jan 09, 2008
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5 " Version: 5
0
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6 " URL: http://mysite.verizon.net/astronaut/vim/index.html#vimlinks_syntax
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7 "
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8 " Options: {{{1
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9 " g:yacc_uses_cpp : if this variable exists, then C++ is loaded rather than C
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10 " g:yacc_minlines : see :help :he syn-sync-minlines -- default 50
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11 " g:yacc_maxlines : see :help :he syn-sync-maxlines -- default 200
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13 " ---------------------------------------------------------------------
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14 " For version 5.x: Clear all syntax items {{{1
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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 " ---------------------------------------------------------------------
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23 " Read the C syntax to start with {{{1
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24 if version >= 600
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25 if exists("g:yacc_uses_cpp")
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26 runtime! syntax/cpp.vim
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27 else
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28 runtime! syntax/c.vim
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29 endif
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30 elseif exists("g:yacc_uses_cpp")
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31 so <sfile>:p:h/cpp.vim
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32 else
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33 so <sfile>:p:h/c.vim
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34 endif
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35
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36 " ---------------------------------------------------------------------
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37 " Clusters {{{1
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38 syn cluster yaccActionGroup contains=yaccDelim,cInParen,cTodo,cIncluded,yaccDelim,yaccCurlyError,yaccUnionCurly,yaccUnion,cUserLabel,cOctalZero,cCppOut2,cCppSkip,cErrInBracket,cErrInParen,cOctalError,cCommentStartError,cParenError
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39 syn cluster yaccUnionGroup contains=yaccKey,cComment,yaccCurly,cType,cStructure,cStorageClass,yaccUnionCurly
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40
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41 " ---------------------------------------------------------------------
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42 " Yacc stuff {{{1
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43 syn match yaccDelim "^\s*[:|;]"
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44 syn match yaccOper "@\d\+"
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45
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46 syn match yaccKey "^\s*%\(token\|type\|left\|right\|start\|ident\|nonassoc\)\>"
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47 syn match yaccKey "\s%\(prec\|expect\)\>"
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48 syn match yaccKey "\$\(<[a-zA-Z_][a-zA-Z_0-9]*>\)\=[\$0-9]\+"
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49 syn keyword yaccKeyActn yyerrok yyclearin
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50
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51 syn match yaccUnionStart "^%union" skipwhite skipnl nextgroup=yaccUnion
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52 syn region yaccUnion contained matchgroup=yaccCurly start="{" matchgroup=yaccCurly end="}" contains=@yaccUnionGroup
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53 syn region yaccUnionCurly contained matchgroup=yaccCurly start="{" matchgroup=yaccCurly end="}" contains=@yaccUnionGroup
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54 syn match yaccBrkt contained "[<>]"
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55 syn match yaccType "<[a-zA-Z_][a-zA-Z0-9_]*>" contains=yaccBrkt
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56 syn match yaccDefinition "^[A-Za-z][A-Za-z0-9_]*\_s*:"
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57
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58 " ---------------------------------------------------------------------
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59 " special Yacc separators {{{1
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60 syn match yaccSectionSep "^[ \t]*%%"
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61 syn match yaccSep "^[ \t]*%{"
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62 syn match yaccSep "^[ \t]*%}"
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63
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64 " ---------------------------------------------------------------------
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65 " I'd really like to highlight just the outer {}. Any suggestions??? {{{1
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66 syn match yaccCurlyError "[{}]"
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67 syn region yaccAction matchgroup=yaccCurly start="{" end="}" contains=ALLBUT,@yaccActionGroup
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68
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69 " ---------------------------------------------------------------------
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70 " Yacc synchronization: {{{1
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71 if exists("g:yacc_maxlines")
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72 exe "syn sync maxlines=".g:yacc_maxlines
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73 else
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74 syn sync maxlines=200
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75 endif
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76 if exists("g:yacc_minlines")
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77 exe "syn sync minlines=".g:yacc_minlines
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78 else
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79 syn sync minlines=50
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80 endif
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81
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82 " ---------------------------------------------------------------------
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83 " Define the default highlighting. {{{1
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84 " For version 5.7 and earlier: only when not done already
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85 " For version 5.8 and later: only when an item doesn't have highlighting yet
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86 if version >= 508 || !exists("did_yacc_syn_inits")
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87 if version < 508
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88 let did_yacchdl_syn_inits = 1
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89 command -nargs=+ HiLink hi link <args>
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90 else
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91 command -nargs=+ HiLink hi def link <args>
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92 endif
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93
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94 " Internal yacc highlighting links {{{2
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95 HiLink yaccBrkt yaccStmt
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96 HiLink yaccKey yaccStmt
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97 HiLink yaccOper yaccStmt
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98 HiLink yaccUnionStart yaccKey
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99
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100 " External yacc highlighting links {{{2
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101 HiLink yaccCurly Delimiter
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102 HiLink yaccCurlyError Error
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103 HiLink yaccDefinition Function
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104 HiLink yaccDelim Function
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105 HiLink yaccKeyActn Special
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106 HiLink yaccSectionSep Todo
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107 HiLink yaccSep Delimiter
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108 HiLink yaccStmt Statement
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109 HiLink yaccType Type
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110
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111 " since Bram doesn't like my Delimiter :| {{{2
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112 HiLink Delimiter Type
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113
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114 delcommand HiLink
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115 endif
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116 let b:current_syntax = "yacc"
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117
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118 " ---------------------------------------------------------------------
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119 " Modelines: {{{1
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120 " vim: ts=15 fdm=marker