annotate runtime/syntax/ayacc.vim @ 6481:2f8c3790366e

Added tag v7-4-568 for changeset 747cbac7047b
author Bram Moolenaar <bram@vim.org>
date Wed, 14 Jan 2015 11:25:05 +0100
parents 91e53bcb7946
children 43efa4f5a8ea
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1 " Vim syntax file
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2 " Language: AYacc
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3 " Maintainer: Mathieu Clabaut <mathieu.clabaut@free.fr>
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4 " LastChange: 2011 Dec 25
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5 " Original: Yacc, maintained by Dr. Charles E. Campbell, Jr.
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6 " Comment: Replaced sourcing c.vim file by ada.vim and rename yacc*
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7 " in ayacc*
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8
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9 " For version 5.x: Clear all syntax items
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10 " For version 6.x: Quit when a syntax file was already loaded
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11 if version < 600
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12 syntax clear
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13 elseif exists("b:current_syntax")
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14 finish
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15 endif
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16
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17 " Read the Ada syntax to start with
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18 if version < 600
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19 so <sfile>:p:h/ada.vim
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20 else
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21 runtime! syntax/ada.vim
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22 unlet b:current_syntax
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23 endif
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24
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25 let s:cpo_save = &cpo
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26 set cpo&vim
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27
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28 " Clusters
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29 syn cluster ayaccActionGroup contains=ayaccDelim,cInParen,cTodo,cIncluded,ayaccDelim,ayaccCurlyError,ayaccUnionCurly,ayaccUnion,cUserLabel,cOctalZero,cCppOut2,cCppSkip,cErrInBracket,cErrInParen,cOctalError
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30 syn cluster ayaccUnionGroup contains=ayaccKey,cComment,ayaccCurly,cType,cStructure,cStorageClass,ayaccUnionCurly
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31
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32 " Yacc stuff
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33 syn match ayaccDelim "^[ \t]*[:|;]"
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34 syn match ayaccOper "@\d\+"
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35
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36 syn match ayaccKey "^[ \t]*%\(token\|type\|left\|right\|start\|ident\)\>"
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37 syn match ayaccKey "[ \t]%\(prec\|expect\|nonassoc\)\>"
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38 syn match ayaccKey "\$\(<[a-zA-Z_][a-zA-Z_0-9]*>\)\=[\$0-9]\+"
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39 syn keyword ayaccKeyActn yyerrok yyclearin
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40
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41 syn match ayaccUnionStart "^%union" skipwhite skipnl nextgroup=ayaccUnion
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42 syn region ayaccUnion contained matchgroup=ayaccCurly start="{" matchgroup=ayaccCurly end="}" contains=@ayaccUnionGroup
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43 syn region ayaccUnionCurly contained matchgroup=ayaccCurly start="{" matchgroup=ayaccCurly end="}" contains=@ayaccUnionGroup
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44 syn match ayaccBrkt contained "[<>]"
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45 syn match ayaccType "<[a-zA-Z_][a-zA-Z0-9_]*>" contains=ayaccBrkt
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46 syn match ayaccDefinition "^[A-Za-z][A-Za-z0-9_]*[ \t]*:"
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47
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48 " special Yacc separators
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49 syn match ayaccSectionSep "^[ \t]*%%"
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50 syn match ayaccSep "^[ \t]*%{"
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51 syn match ayaccSep "^[ \t]*%}"
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52
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53 " I'd really like to highlight just the outer {}. Any suggestions???
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54 syn match ayaccCurlyError "[{}]"
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55 syn region ayaccAction matchgroup=ayaccCurly start="{" end="}" contains=ALLBUT,@ayaccActionGroup
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56
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57 if version >= 508 || !exists("did_ayacc_syntax_inits")
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58 if version < 508
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59 let did_ayacc_syntax_inits = 1
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60 command -nargs=+ HiLink hi link <args>
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61 else
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62 command -nargs=+ HiLink hi def link <args>
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63 endif
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64
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65 " Internal ayacc highlighting links
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66 HiLink ayaccBrkt ayaccStmt
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67 HiLink ayaccKey ayaccStmt
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68 HiLink ayaccOper ayaccStmt
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69 HiLink ayaccUnionStart ayaccKey
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70
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71 " External ayacc highlighting links
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72 HiLink ayaccCurly Delimiter
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73 HiLink ayaccCurlyError Error
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74 HiLink ayaccDefinition Function
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75 HiLink ayaccDelim Function
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76 HiLink ayaccKeyActn Special
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77 HiLink ayaccSectionSep Todo
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78 HiLink ayaccSep Delimiter
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79 HiLink ayaccStmt Statement
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80 HiLink ayaccType Type
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81
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82 " since Bram doesn't like my Delimiter :|
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83 HiLink Delimiter Type
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84 delcommand HiLink
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85 endif
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86
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87 let b:current_syntax = "ayacc"
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88
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89 let &cpo = s:cpo_save
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90 unlet s:cpo_save
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91 " vim: ts=15