C# Class Loyc.LLParserGenerator.LLParserGenerator.PrematchAnalysisVisitor

Figures out which terminals and and-predicates are "prematched". A prematched "Match()" call can be replaced with "Skip()" or "MatchAny()" in the generated code, a prematched Check() can be eliminated, to improve performance of the generated code.

Inheritance: Loyc.LLParserGenerator.RecursivePredVisitor

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Public Methods

Method	Description
Analyze ( Rule rule ) : void
PrematchAnalysisVisitor ( LLParserGenerator llpg ) : System
Visit ( Alts alts ) : void
Visit ( Gate pred ) : void

Private Methods

Method	Description
ScanTree ( PredictionTree tree, Alts alts, DList path ) : void

Method Details

Analyze() public method

public Analyze ( Rule rule ) : void
rule	Rule
return	void

PrematchAnalysisVisitor() public method

public PrematchAnalysisVisitor ( LLParserGenerator llpg ) : System
llpg	LLParserGenerator
return	System

Visit() public method

public Visit ( Alts alts ) : void
alts	Alts
return	void

Visit() public method

public Visit ( Gate pred ) : void
pred	Gate
return	void