92 lines
3.1 KiB
VimL
92 lines
3.1 KiB
VimL
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" vim: ts=8
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" Vim syntax file
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" Language: ANTLRv3
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" Maintainer: J<>rn Horstmann (updated by Davyd Madeley)
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" Last Change: 2008-11-21
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" For version 5.x: Clear all syntax items
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" For version 6.x: Quit when a syntax file was already loaded
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if version < 600
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syntax clear
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elseif exists("b:current_syntax")
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finish
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endif
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syn keyword antlrKeyword grammar lexer parser tree header members options fragment returns throws scope init
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syn match antlrCharacter '\\\(r\|n\|t\|f\|b\|"\|\'\|\\\|u\x\{4}\)' contained display
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syn match antlrToken "\<[A-Z_][a-zA-Z_0-9]\+\>"
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syn match antlrRule "[a-z][a-zA-Z_0-9]\+"
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syn match antlrScopeVariable '$\k\+::\k\+'
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syn match antlrOperator "[:;@.]"
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syn match antlrOperator "[()]"
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syn match antlrOperator "[?+*~|!]"
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syn match antlrOperator "[->=^]"
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syn match antlrBrace "[{}]"
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syn match antlrBrace "[\[\]]"
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syn region antlrAction matchgroup=antlrBrace start="[{\[]" end="[}\]]" contains=antlrVariable,antlrLiteral,antlrComment
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syn match antlrVariable contained "$[a-zA-Z][a-zA-Z_0-9]*"
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syn region antlrLiteral start=+'+ end=+'+ contains=antlrCharacter
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syn region antlrLiteral start=+"+ end=+"+ contains=antlrCharacter
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syn region antlrComment start="/\*" end="\*/"
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syn match antlrComment "//.*$"
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" Define the default highlighting.
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" For version 5.7 and earlier: only when not done already
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" For version 5.8 and later: only when an item doesn't have highlighting yet
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if version >= 508
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if version < 508
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let did_antlr_syntax_inits = 1
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command -nargs=+ HiLink hi link <args>
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else
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command -nargs=+ HiLink hi def link <args>
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endif
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HiLink antlrLiteral String
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hi def antlrVariable term=bold cterm=bold gui=bold
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HiLink antlrBrace Operator
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HiLink antlrCharacter Special
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HiLink antlrComment Comment
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HiLink antlrOperator Operator
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HiLink antlrKeyword Keyword
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HiLink antlrToken PreProc
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HiLink antlrScopeVariable Identifier
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HiLink antlrRule Type
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delcommand HiLink
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endif
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" try to figure out the target language
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let target_languages = []
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" can we figure out from the file name
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let extensions = split(expand('%:t'), '\.')
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if len(extensions) >= 3
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" great.. the target language was provided via file name
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call add(target_languages, tolower(extensions[-2]))
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else
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" no multiple extensions... have to figure out from the content
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let buffer = join(getline(1, line('$')), "\n")
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let antlr_options = matchstr(buffer, '\m\(\_s\|;\)options\_s\+{\_.\{-\}}')
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call substitute(antlr_options, '\mlanguage\_s*=\_s*''\?\(.\{-\}\)''\?\_s*;', '\=add(target_languages, tolower(submatch(1)))', 'g')
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endif
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if exists('target_languages[-1]')
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" the last defined target language takes precendece
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let lang=target_languages[-1]
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let syntax_file = findfile('syntax/' . lang . '.vim', &rtp, 1)
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if syntax_file != ''
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" if a valid syntax file was found only
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let b:current_syntax = ''
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unlet b:current_syntax
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let region_name = '@' . lang . 'Language'
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exe 'syntax include ' . region_name . ' ' . syntax_file
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exe 'syntax region ' . lang . ' start="{" end="}" keepend contains=' . region_name
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endif
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endif
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let b:current_syntax = "antlr3"
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