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annotate runtime/syntax/pccts.vim @ 18486:9d887cad7315

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Added tag v8.1.2237 for changeset 63ee3c2b140fe1b4801389872a8e47aec19d028b
author Bram Moolenaar <Bram@vim.org>
date Thu, 31 Oct 2019 20:00:04 +0100
parents 46763b01cd9a
children
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1 " Vim syntax file
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2 " Language: PCCTS
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3 " Maintainer: Scott Bigham <dsb@killerbunnies.org>
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4 " Last Change: 10 Aug 1999
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5
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6 " quit when a syntax file was already loaded
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7 if exists("b:current_syntax")
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8 finish
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9 endif
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10
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11 " Read the C++ syntax to start with
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12 syn include @cppTopLevel syntax/cpp.vim
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13
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14 syn region pcctsAction matchgroup=pcctsDelim start="<<" end=">>?\=" contains=@cppTopLevel,pcctsRuleRef
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15
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16 syn region pcctsArgBlock matchgroup=pcctsDelim start="\(>\s*\)\=\[" end="\]" contains=@cppTopLevel,pcctsRuleRef
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17
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18 syn region pcctsString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=pcctsSpecialChar
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19 syn match pcctsSpecialChar "\\\\\|\\\"" contained
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20
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21 syn region pcctsComment start="/\*" end="\*/" contains=cTodo
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22 syn match pcctsComment "//.*$" contains=cTodo
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23
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24 syn region pcctsDirective start="^\s*#header\s\+<<" end=">>" contains=pcctsAction keepend
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25 syn match pcctsDirective "^\s*#parser\>.*$" contains=pcctsString,pcctsComment
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26 syn match pcctsDirective "^\s*#tokdefs\>.*$" contains=pcctsString,pcctsComment
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27 syn match pcctsDirective "^\s*#token\>.*$" contains=pcctsString,pcctsAction,pcctsTokenName,pcctsComment
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28 syn region pcctsDirective start="^\s*#tokclass\s\+[A-Z]\i*\s\+{" end="}" contains=pcctsString,pcctsTokenName
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29 syn match pcctsDirective "^\s*#lexclass\>.*$" contains=pcctsTokenName
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30 syn region pcctsDirective start="^\s*#errclass\s\+[^{]\+\s\+{" end="}" contains=pcctsString,pcctsTokenName
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31 syn match pcctsDirective "^\s*#pred\>.*$" contains=pcctsTokenName,pcctsAction
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32
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33 syn cluster pcctsInRule contains=pcctsString,pcctsRuleName,pcctsTokenName,pcctsAction,pcctsArgBlock,pcctsSubRule,pcctsLabel,pcctsComment
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34
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35 syn region pcctsRule start="\<[a-z][A-Za-z0-9_]*\>\(\s*\[[^]]*\]\)\=\(\s*>\s*\[[^]]*\]\)\=\s*:" end=";" contains=@pcctsInRule
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36
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37 syn region pcctsSubRule matchgroup=pcctsDelim start="(" end=")\(+\|\*\|?\(\s*=>\)\=\)\=" contains=@pcctsInRule contained
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38 syn region pcctsSubRule matchgroup=pcctsDelim start="{" end="}" contains=@pcctsInRule contained
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39
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40 syn match pcctsRuleName "\<[a-z]\i*\>" contained
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41 syn match pcctsTokenName "\<[A-Z]\i*\>" contained
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42
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43 syn match pcctsLabel "\<\I\i*:\I\i*" contained contains=pcctsLabelHack,pcctsRuleName,pcctsTokenName
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44 syn match pcctsLabel "\<\I\i*:\"\([^\\]\|\\.\)*\"" contained contains=pcctsLabelHack,pcctsString
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45 syn match pcctsLabelHack "\<\I\i*:" contained
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46
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47 syn match pcctsRuleRef "\$\I\i*\>" contained
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48 syn match pcctsRuleRef "\$\d\+\(\.\d\+\)\>" contained
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49
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50 syn keyword pcctsClass class nextgroup=pcctsClassName skipwhite
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51 syn match pcctsClassName "\<\I\i*\>" contained nextgroup=pcctsClassBlock skipwhite skipnl
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52 syn region pcctsClassBlock start="{" end="}" contained contains=pcctsRule,pcctsComment,pcctsDirective,pcctsAction,pcctsException,pcctsExceptionHandler
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53
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54 syn keyword pcctsException exception nextgroup=pcctsExceptionRuleRef skipwhite
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55 syn match pcctsExceptionRuleRef "\[\I\i*\]" contained contains=pcctsExceptionID
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56 syn match pcctsExceptionID "\I\i*" contained
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57 syn keyword pcctsExceptionHandler catch default
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58 syn keyword pcctsExceptionHandler NoViableAlt NoSemViableAlt
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59 syn keyword pcctsExceptionHandler MismatchedToken
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60
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61 syn sync clear
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62 syn sync match pcctsSyncAction grouphere pcctsAction "<<"
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63 syn sync match pcctsSyncAction "<<\([^>]\|>[^>]\)*>>"
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64 syn sync match pcctsSyncRule grouphere pcctsRule "\<[a-z][A-Za-z0-9_]*\>\s*\[[^]]*\]\s*:"
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65 syn sync match pcctsSyncRule grouphere pcctsRule "\<[a-z][A-Za-z0-9_]*\>\(\s*\[[^]]*\]\)\=\s*>\s*\[[^]]*\]\s*:"
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66
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67 " Define the default highlighting.
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68 " Only when an item doesn't have highlighting yet
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69
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70 hi def link pcctsDelim Special
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71 hi def link pcctsTokenName Identifier
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72 hi def link pcctsRuleName Statement
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73 hi def link pcctsLabelHack Label
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74 hi def link pcctsDirective PreProc
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75 hi def link pcctsString String
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76 hi def link pcctsComment Comment
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77 hi def link pcctsClass Statement
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78 hi def link pcctsClassName Identifier
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79 hi def link pcctsException Statement
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80 hi def link pcctsExceptionHandler Keyword
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81 hi def link pcctsExceptionRuleRef pcctsDelim
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82 hi def link pcctsExceptionID Identifier
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83 hi def link pcctsRuleRef Identifier
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84 hi def link pcctsSpecialChar SpecialChar
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85
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86
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87 let b:current_syntax = "pccts"
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88
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89 " vim: ts=8