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Chapter4SyntaxAnalysisIntroductionDescriptionoftheSyntaxAdvantagesOfferedbyGrammar(1)PositionofParserinCompilerModelTheRoleoftheParser(1)TheRoleoftheParser(2)GeneralTypesofParsersforGrammarUniversalParsingMethodTop-DownMethodBottom-UpMethodSyntaxErrorHandlingErrors(1)Errors(2)Simple-to-StateGoalsofanErrorHandlerError-RecoveryStrategiesError-RecoveryStrategiesTop-DownParsingBasicIdeasExample4.14of[1](adapted)Recursive-DescentParsing(1)Recursive-DescentParsing(2)Backtrackingvs.Non-backtrackingFactorsConcernsPredictionEliminatingAmbiguityEliminationofLeftRecursionBasicformofleftrecursionEliminationofIntermediateLeftRecursion(Thesimplestform)EliminationofIntermediateLeftRecursion(Thegeneralform)EliminationofIndirectLeftRecursionCasesofIndirectLeftRecursion(1)Algorithm4.1CasesofIndirectLeftRecursion(2)Example–theQuestion[2]Example–theAnswer[2]NotesLeftFactoringPredictiveParsersExampleAnswerLeftFactoringPredictiveParsersTransitionDiagrambasedParsersTransitionDiagramforParsers(1)TransitionDiagramforParsers(2)ParsingBasedonTransitionDiagram(3)ParsingBasedonTransitionDiagram(4)Example4.15of[1]Example4.15of[1]Example4.15of[1]TransitionDiagramfortheGrammarSimplifiedTransitionDiagramPredictiveParsingUsingStackandParsingTableModelofaNon-recursivePredictiveParserBehaviorofthePredictiveParsingProgram(1)BehaviorofthePredictiveParsingProgram(2)Example4.17of[1]Example4.17of[1]Example4.17of[1]ConstructionofPredictiveParsingTablesFIRSTFOLLOWComputationofFIRST(X)(1)ComputationofFIRST()(2)ComputationofFIRST()ComputationofFollow(A)Example4.17of[1](1)Example4.17of[1](2)ComputationofFollow(A)ConstructionofaPredictiveParsingTableAlgorithmtoConstructaPredictiveParsingTable(1)AlgorithmtoConstructaPredictiveParsingTable(2)Example4.18of[1](1)Example4.18of[1](2)Example4.18of[1](3)LL(1)GrammarsExample4.190f[1]PredictiveParsingTableMIllustrationoftheConflictionLL(1)GrammarsWhatdoes“LL(1)”StandsforDistinctivePropertiesofLL(1)Grammar(1)DistinctivePropertiesofLL(1)Grammar(2)TransformingaGrammartoLL(
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