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Diffstat (limited to 'runtime/syntax/pccts.vim')
| -rw-r--r-- | runtime/syntax/pccts.vim | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/runtime/syntax/pccts.vim b/runtime/syntax/pccts.vim new file mode 100644 index 000000000..ef5268117 --- /dev/null +++ b/runtime/syntax/pccts.vim @@ -0,0 +1,106 @@ +" Vim syntax file +" Language: PCCTS +" Maintainer: Scott Bigham <dsb@cs.duke.edu> +" Last Change: 10 Aug 1999 + +" For version 5.x: Clear all syntax items +" For version 6.x: Quit when a syntax file was already loaded +if version < 600 + syntax clear +elseif exists("b:current_syntax") + finish +endif + +" Read the C++ syntax to start with +if version < 600 + syn include @cppTopLevel <sfile>:p:h/cpp.vim +else + syn include @cppTopLevel syntax/cpp.vim +endif + +syn region pcctsAction matchgroup=pcctsDelim start="<<" end=">>?\=" contains=@cppTopLevel,pcctsRuleRef + +syn region pcctsArgBlock matchgroup=pcctsDelim start="\(>\s*\)\=\[" end="\]" contains=@cppTopLevel,pcctsRuleRef + +syn region pcctsString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=pcctsSpecialChar +syn match pcctsSpecialChar "\\\\\|\\\"" contained + +syn region pcctsComment start="/\*" end="\*/" contains=cTodo +syn match pcctsComment "//.*$" contains=cTodo + +syn region pcctsDirective start="^\s*#header\s\+<<" end=">>" contains=pcctsAction keepend +syn match pcctsDirective "^\s*#parser\>.*$" contains=pcctsString,pcctsComment +syn match pcctsDirective "^\s*#tokdefs\>.*$" contains=pcctsString,pcctsComment +syn match pcctsDirective "^\s*#token\>.*$" contains=pcctsString,pcctsAction,pcctsTokenName,pcctsComment +syn region pcctsDirective start="^\s*#tokclass\s\+[A-Z]\i*\s\+{" end="}" contains=pcctsString,pcctsTokenName +syn match pcctsDirective "^\s*#lexclass\>.*$" contains=pcctsTokenName +syn region pcctsDirective start="^\s*#errclass\s\+[^{]\+\s\+{" end="}" contains=pcctsString,pcctsTokenName +syn match pcctsDirective "^\s*#pred\>.*$" contains=pcctsTokenName,pcctsAction + +syn cluster pcctsInRule contains=pcctsString,pcctsRuleName,pcctsTokenName,pcctsAction,pcctsArgBlock,pcctsSubRule,pcctsLabel,pcctsComment + +syn region pcctsRule start="\<[a-z][A-Za-z0-9_]*\>\(\s*\[[^]]*\]\)\=\(\s*>\s*\[[^]]*\]\)\=\s*:" end=";" contains=@pcctsInRule + +syn region pcctsSubRule matchgroup=pcctsDelim start="(" end=")\(+\|\*\|?\(\s*=>\)\=\)\=" contains=@pcctsInRule contained +syn region pcctsSubRule matchgroup=pcctsDelim start="{" end="}" contains=@pcctsInRule contained + +syn match pcctsRuleName "\<[a-z]\i*\>" contained +syn match pcctsTokenName "\<[A-Z]\i*\>" contained + +syn match pcctsLabel "\<\I\i*:\I\i*" contained contains=pcctsLabelHack,pcctsRuleName,pcctsTokenName +syn match pcctsLabel "\<\I\i*:\"\([^\\]\|\\.\)*\"" contained contains=pcctsLabelHack,pcctsString +syn match pcctsLabelHack "\<\I\i*:" contained + +syn match pcctsRuleRef "\$\I\i*\>" contained +syn match pcctsRuleRef "\$\d\+\(\.\d\+\)\>" contained + +syn keyword pcctsClass class nextgroup=pcctsClassName skipwhite +syn match pcctsClassName "\<\I\i*\>" contained nextgroup=pcctsClassBlock skipwhite skipnl +syn region pcctsClassBlock start="{" end="}" contained contains=pcctsRule,pcctsComment,pcctsDirective,pcctsAction,pcctsException,pcctsExceptionHandler + +syn keyword pcctsException exception nextgroup=pcctsExceptionRuleRef skipwhite +syn match pcctsExceptionRuleRef "\[\I\i*\]" contained contains=pcctsExceptionID +syn match pcctsExceptionID "\I\i*" contained +syn keyword pcctsExceptionHandler catch default +syn keyword pcctsExceptionHandler NoViableAlt NoSemViableAlt +syn keyword pcctsExceptionHandler MismatchedToken + +syn sync clear +syn sync match pcctsSyncAction grouphere pcctsAction "<<" +syn sync match pcctsSyncAction "<<\([^>]\|>[^>]\)*>>" +syn sync match pcctsSyncRule grouphere pcctsRule "\<[a-z][A-Za-z0-9_]*\>\s*\[[^]]*\]\s*:" +syn sync match pcctsSyncRule grouphere pcctsRule "\<[a-z][A-Za-z0-9_]*\>\(\s*\[[^]]*\]\)\=\s*>\s*\[[^]]*\]\s*:" + +" Define the default highlighting. +" For version 5.7 and earlier: only when not done already +" For version 5.8 and later: only when an item doesn't have highlighting yet +if version >= 508 || !exists("did_pccts_syntax_inits") + if version < 508 + let did_pccts_syntax_inits = 1 + command -nargs=+ HiLink hi link <args> + else + command -nargs=+ HiLink hi def link <args> + endif + + HiLink pcctsDelim Special + HiLink pcctsTokenName Identifier + HiLink pcctsRuleName Statement + HiLink pcctsLabelHack Label + HiLink pcctsDirective PreProc + HiLink pcctsString String + HiLink pcctsComment Comment + HiLink pcctsClass Statement + HiLink pcctsClassName Identifier + HiLink pcctsException Statement + HiLink pcctsExceptionHandler Keyword + HiLink pcctsExceptionRuleRef pcctsDelim + HiLink pcctsExceptionID Identifier + HiLink pcctsRuleRef Identifier + HiLink pcctsSpecialChar SpecialChar + + delcommand HiLink +endif + +let b:current_syntax = "pccts" + +" vim: ts=8 |