annotate runtime/syntax/yacc.vim @ 4456:015a8fabf900 v7.3.976

updated for version 7.3.976 Problem: Can't build on HP-UX. Solution: Remove modern initialization. (John Marriott)
author Bram Moolenaar <bram@vim.org>
date Mon, 20 May 2013 13:55:21 +0200
parents c53344bacabf
children 657ade71d395
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1 " Vim syntax file
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2 " Language: Yacc
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3 " Maintainer: Charles E. Campbell <NdrOchipS@PcampbellAfamily.Mbiz>
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4 " Last Change: Nov 14, 2012
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5 " Version: 10
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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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11 " ---------------------------------------------------------------------
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12 " this version of syntax/yacc.vim requires 6.0 or later
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13 if version < 600
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14 finish
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15 endif
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16 if exists("b:current_syntax")
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17 syntax clear
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18 endif
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19
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20 " ---------------------------------------------------------------------
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21 " Folding Support {{{1
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22 if has("folding")
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23 com! -nargs=+ SynFold <args> fold
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24 else
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25 com! -nargs=+ SynFold <args>
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26 endif
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28 " ---------------------------------------------------------------------
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29 " Read the C syntax to start with {{{1
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30 " Read the C/C++ syntax to start with
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31 let s:Cpath= fnameescape(expand("<sfile>:p:h").(exists("g:yacc_uses_cpp")? "/cpp.vim" : "/c.vim"))
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32 if !filereadable(s:Cpath)
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33 for s:Cpath in split(globpath(&rtp,(exists("g:yacc_uses_cpp")? "syntax/cpp.vim" : "syntax/c.vim")),"\n")
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34 if filereadable(fnameescape(s:Cpath))
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35 let s:Cpath= fnameescape(s:Cpath)
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36 break
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37 endif
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38 endfor
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39 endif
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40 exe "syn include @yaccCode ".s:Cpath
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42 " ---------------------------------------------------------------------
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43 " Yacc Clusters: {{{1
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44 syn cluster yaccInitCluster contains=yaccKey,yaccKeyActn,yaccBrkt,yaccType,yaccString,yaccUnionStart,yaccHeader2,yaccComment,yaccDefines,yaccParseParam,yaccParseOption
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45 syn cluster yaccRulesCluster contains=yaccNonterminal,yaccString
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46
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47 " ---------------------------------------------------------------------
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48 " Yacc Sections: {{{1
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49 SynFold syn region yaccInit start='.'ms=s-1,rs=s-1 matchgroup=yaccSectionSep end='^%%$'me=e-2,re=e-2 contains=@yaccInitCluster nextgroup=yaccRules skipwhite skipempty contained
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50 SynFold syn region yaccInit2 start='\%^.'ms=s-1,rs=s-1 matchgroup=yaccSectionSep end='^%%$'me=e-2,re=e-2 contains=@yaccInitCluster nextgroup=yaccRules skipwhite skipempty
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51 SynFold syn region yaccHeader2 matchgroup=yaccSep start="^\s*\zs%{" end="^\s*%}" contains=@yaccCode nextgroup=yaccInit skipwhite skipempty contained
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52 SynFold syn region yaccHeader matchgroup=yaccSep start="^\s*\zs%{" end="^\s*%}" contains=@yaccCode nextgroup=yaccInit skipwhite skipempty
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53 SynFold syn region yaccRules matchgroup=yaccSectionSep start='^%%$' end='^%%$'me=e-2,re=e-2 contains=@yaccRulesCluster nextgroup=yaccEndCode skipwhite skipempty contained
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54 SynFold syn region yaccEndCode matchgroup=yaccSectionSep start='^%%$' end='\%$' contains=@yaccCode contained
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56 " ---------------------------------------------------------------------
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57 " Yacc Commands: {{{1
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58 syn match yaccDefines '^%define\s\+.*$'
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59 syn match yaccParseParam '%\(parse\|lex\)-param\>' skipwhite nextgroup=yaccParseParamStr
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60 syn match yaccParseOption '%\%(api\.pure\|pure-parser\|locations\|error-verbose\)\>'
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61 syn region yaccParseParamStr contained matchgroup=Delimiter start='{' end='}' contains=cStructure
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62
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63 syn match yaccDelim "[:|]" contained
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64 syn match yaccOper "@\d\+" contained
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65
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66 syn match yaccKey "^\s*%\(token\|type\|left\|right\|start\|ident\|nonassoc\)\>" contained
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67 syn match yaccKey "\s%\(prec\|expect\)\>" contained
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68 syn match yaccKey "\$\(<[a-zA-Z_][a-zA-Z_0-9]*>\)\=[\$0-9]\+" contained
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69 syn keyword yaccKeyActn yyerrok yyclearin contained
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71 syn match yaccUnionStart "^%union" skipwhite skipnl nextgroup=yaccUnion contained
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72 SynFold syn region yaccUnion matchgroup=yaccCurly start="{" matchgroup=yaccCurly end="}" contains=@yaccCode contained
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73 syn match yaccBrkt "[<>]" contained
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74 syn match yaccType "<[a-zA-Z_][a-zA-Z0-9_]*>" contains=yaccBrkt contained
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75
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76 SynFold syn region yaccNonterminal start="^\s*\a\w*\ze\_s*\(/\*\_.\{-}\*/\)\=\_s*:" matchgroup=yaccDelim end=";" matchgroup=yaccSectionSep end='^%%$'me=e-2,re=e-2 contains=yaccAction,yaccDelim,yaccString,yaccComment contained
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77 syn region yaccComment start="/\*" end="\*/"
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78 syn match yaccString "'[^']*'" contained
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79
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81 " ---------------------------------------------------------------------
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82 " I'd really like to highlight just the outer {}. Any suggestions??? {{{1
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83 syn match yaccCurlyError "[{}]"
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84 SynFold syn region yaccAction matchgroup=yaccCurly start="{" end="}" contains=@yaccCode,yaccVar contained
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85 syn match yaccVar '\$\d\+\|\$\$\|\$<\I\i*>\$\|\$<\I\i*>\d\+' containedin=cParen,cPreProc,cMulti contained
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86
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87 " ---------------------------------------------------------------------
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88 " Yacc synchronization: {{{1
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89 syn sync fromstart
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90
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91 " ---------------------------------------------------------------------
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92 " Define the default highlighting. {{{1
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93 if !exists("did_yacc_syn_inits")
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94 hi def link yaccBrkt yaccStmt
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95 hi def link yaccComment Comment
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96 hi def link yaccCurly Delimiter
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97 hi def link yaccCurlyError Error
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98 hi def link yaccDefines cDefine
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99 hi def link yaccDelim Delimiter
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100 hi def link yaccKeyActn Special
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101 hi def link yaccKey yaccStmt
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102 hi def link yaccNonterminal Function
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103 hi def link yaccOper yaccStmt
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104 hi def link yaccParseOption cDefine
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105 hi def link yaccParseParam yaccParseOption
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106 hi def link yaccSectionSep Todo
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107 hi def link yaccSep Delimiter
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108 hi def link yaccStmt Statement
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109 hi def link yaccString String
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110 hi def link yaccType Type
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111 hi def link yaccUnionStart yaccKey
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112 hi def link yaccVar Special
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113 endif
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114
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115 " ---------------------------------------------------------------------
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116 " Cleanup: {{{1
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117 delcommand SynFold
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118 let b:current_syntax = "yacc"
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119
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120 " ---------------------------------------------------------------------
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121 " Modelines: {{{1
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122 " vim: ts=15 fdm=marker