Package antlr
Interface ToolErrorHandler
- All Known Implementing Classes:
DefaultToolErrorHandler
interface ToolErrorHandler
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Method Summary
Modifier and TypeMethodDescriptionvoid
warnAltAmbiguity
(Grammar grammar, AlternativeBlock blk, boolean lexicalAnalysis, int depth, Lookahead[] sets, int altIdx1, int altIdx2) Issue a warning about ambiguity between a alternatesvoid
warnAltExitAmbiguity
(Grammar grammar, BlockWithImpliedExitPath blk, boolean lexicalAnalysis, int depth, Lookahead[] sets, int altIdx) Issue a warning about ambiguity between an alternate and exit path.
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Method Details
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warnAltAmbiguity
void warnAltAmbiguity(Grammar grammar, AlternativeBlock blk, boolean lexicalAnalysis, int depth, Lookahead[] sets, int altIdx1, int altIdx2) Issue a warning about ambiguity between a alternates- Parameters:
blk
- The block being analyzedlexicalAnalysis
- true for lexical ruledepth
- The depth of the ambiguitysets
- An array of bitsets containing the ambiguitiesaltIdx1
- The zero-based index of the first ambiguous alternativealtIdx2
- The zero-based index of the second ambiguous alternative
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warnAltExitAmbiguity
void warnAltExitAmbiguity(Grammar grammar, BlockWithImpliedExitPath blk, boolean lexicalAnalysis, int depth, Lookahead[] sets, int altIdx) Issue a warning about ambiguity between an alternate and exit path.- Parameters:
blk
- The block being analyzedlexicalAnalysis
- true for lexical ruledepth
- The depth of the ambiguitysets
- An array of bitsets containing the ambiguitiesaltIdx
- The zero-based index of the ambiguous alternative
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