Uses of Class
antlr.Lookahead

Packages that use Lookahead

Package	Description
antlr

Uses of Lookahead in antlr

Fields in antlr declared as Lookahead

Modifier and Type	Field	Description
protected Lookahead[]	Alternative.cache
protected Lookahead[]	RuleBlock.cache
protected Lookahead[]	RuleEndElement.cache
protected Lookahead[]	BlockWithImpliedExitPath.exitCache	lookahead to bypass block; set by deterministic().

Methods in antlr that return Lookahead

Modifier and Type	Method	Description
Lookahead	LLkAnalyzer.FOLLOW(int k, RuleEndElement end)	Compute the lookahead set of whatever follows references to the rule associated witht the FOLLOW block.
Lookahead	LLkGrammarAnalyzer.FOLLOW(int k, RuleEndElement end)
Lookahead	Lookahead.intersection(Lookahead q)	What is the intersection of two lookahead depths? Only the Epsilon "bit" and bitset are considered.
Lookahead	ActionElement.look(int k)
Lookahead	AlternativeBlock.look(int k)
Lookahead	BlockEndElement.look(int k)
Lookahead	CharLiteralElement.look(int k)
Lookahead	CharRangeElement.look(int k)
Lookahead	GrammarElement.look(int k)
Lookahead	LLkAnalyzer.look(int k, ActionElement action)	Actions are ignored
Lookahead	LLkAnalyzer.look(int k, AlternativeBlock blk)	Combine the lookahead computed for each alternative
Lookahead	LLkAnalyzer.look(int k, BlockEndElement end)	Compute what follows this place-holder node and possibly what begins the associated loop unless the node is locked.
Lookahead	LLkAnalyzer.look(int k, CharLiteralElement atom)	Return this char as the lookahead if k=1.
Lookahead	LLkAnalyzer.look(int k, CharRangeElement r)
Lookahead	LLkAnalyzer.look(int k, GrammarAtom atom)
Lookahead	LLkAnalyzer.look(int k, OneOrMoreBlock blk)	The lookahead of a (...)+ block is the combined lookahead of all alternatives and, if an empty path is found, the lookahead of what follows the block.
Lookahead	LLkAnalyzer.look(int k, RuleBlock blk)	Combine the lookahead computed for each alternative.
Lookahead	LLkAnalyzer.look(int k, RuleEndElement end)	If not locked or noFOLLOW set, compute FOLLOW of a rule.
Lookahead	LLkAnalyzer.look(int k, RuleRefElement rr)	Compute the lookahead contributed by a rule reference.
Lookahead	LLkAnalyzer.look(int k, StringLiteralElement atom)
Lookahead	LLkAnalyzer.look(int k, SynPredBlock blk)	The lookahead of a (...)=> block is the lookahead of what follows the block.
Lookahead	LLkAnalyzer.look(int k, TokenRangeElement r)
Lookahead	LLkAnalyzer.look(int k, TreeElement t)
Lookahead	LLkAnalyzer.look(int k, WildcardElement wc)
Lookahead	LLkAnalyzer.look(int k, ZeroOrMoreBlock blk)	The (...)* element is the combined lookahead of the alternatives and what can follow the loop.
Lookahead	LLkAnalyzer.look(int k, java.lang.String rule)	Compute the combined lookahead for all productions of a rule.
Lookahead	LLkGrammarAnalyzer.look(int k, ActionElement action)
Lookahead	LLkGrammarAnalyzer.look(int k, AlternativeBlock blk)
Lookahead	LLkGrammarAnalyzer.look(int k, BlockEndElement end)
Lookahead	LLkGrammarAnalyzer.look(int k, CharLiteralElement atom)
Lookahead	LLkGrammarAnalyzer.look(int k, CharRangeElement end)
Lookahead	LLkGrammarAnalyzer.look(int k, GrammarAtom atom)
Lookahead	LLkGrammarAnalyzer.look(int k, OneOrMoreBlock blk)
Lookahead	LLkGrammarAnalyzer.look(int k, RuleBlock blk)
Lookahead	LLkGrammarAnalyzer.look(int k, RuleEndElement end)
Lookahead	LLkGrammarAnalyzer.look(int k, RuleRefElement rr)
Lookahead	LLkGrammarAnalyzer.look(int k, StringLiteralElement atom)
Lookahead	LLkGrammarAnalyzer.look(int k, SynPredBlock blk)
Lookahead	LLkGrammarAnalyzer.look(int k, TokenRangeElement end)
Lookahead	LLkGrammarAnalyzer.look(int k, TreeElement end)
Lookahead	LLkGrammarAnalyzer.look(int k, WildcardElement wc)
Lookahead	LLkGrammarAnalyzer.look(int k, ZeroOrMoreBlock blk)
Lookahead	LLkGrammarAnalyzer.look(int k, java.lang.String rule)
Lookahead	OneOrMoreBlock.look(int k)
Lookahead	RuleBlock.look(int k)
Lookahead	RuleEndElement.look(int k)
Lookahead	RuleRefElement.look(int k)
Lookahead	StringLiteralElement.look(int k)
Lookahead	SynPredBlock.look(int k)
Lookahead	TokenRangeElement.look(int k)
Lookahead	TokenRefElement.look(int k)
Lookahead	TreeElement.look(int k)
Lookahead	WildcardElement.look(int k)
Lookahead	ZeroOrMoreBlock.look(int k)
static Lookahead	Lookahead.of(int el)

Methods in antlr with parameters of type Lookahead

Modifier and Type	Method	Description
void	Lookahead.combineWith(Lookahead q)
protected java.lang.String	CppCodeGenerator.getLookaheadTestExpression(Lookahead[] look, int k)
protected java.lang.String	CSharpCodeGenerator.getLookaheadTestExpression(Lookahead[] look, int k)
protected java.lang.String	JavaCodeGenerator.getLookaheadTestExpression(Lookahead[] look, int k)
protected java.lang.String	PythonCodeGenerator.getLookaheadTestExpression(Lookahead[] look, int k)
Lookahead	Lookahead.intersection(Lookahead q)	What is the intersection of two lookahead depths? Only the Epsilon "bit" and bitset are considered.
static boolean	LLkAnalyzer.lookaheadEquivForApproxAndFullAnalysis(Lookahead[] bset, int k)	If the first k-1 sets are singleton sets, the appoximate lookahead analysis is equivalent to full lookahead analysis.
void	DiagnosticCodeGenerator.printSet(int depth, int k, Lookahead lookahead)	Format a lookahead or follow set.
void	DocBookCodeGenerator.printSet(int depth, int k, Lookahead lookahead)	Format a lookahead or follow set.
void	HTMLCodeGenerator.printSet(int depth, int k, Lookahead lookahead)	Format a lookahead or follow set.
void	DefaultToolErrorHandler.warnAltAmbiguity(Grammar grammar, AlternativeBlock blk, boolean lexicalAnalysis, int depth, Lookahead[] sets, int altIdx1, int altIdx2)	Issue a warning about ambiguity between a alternates
void	ToolErrorHandler.warnAltAmbiguity(Grammar grammar, AlternativeBlock blk, boolean lexicalAnalysis, int depth, Lookahead[] sets, int altIdx1, int altIdx2)	Issue a warning about ambiguity between a alternates
void	DefaultToolErrorHandler.warnAltExitAmbiguity(Grammar grammar, BlockWithImpliedExitPath blk, boolean lexicalAnalysis, int depth, Lookahead[] sets, int altIdx)	Issue a warning about ambiguity between an alternate and exit path.
void	ToolErrorHandler.warnAltExitAmbiguity(Grammar grammar, BlockWithImpliedExitPath blk, boolean lexicalAnalysis, int depth, Lookahead[] sets, int altIdx)	Issue a warning about ambiguity between an alternate and exit path.