Package org.antlr.v4.codegen.model

Class LL1OptionalBlock

java.lang.Object

org.antlr.v4.codegen.model.OutputModelObject

org.antlr.v4.codegen.model.SrcOp

org.antlr.v4.codegen.model.RuleElement

org.antlr.v4.codegen.model.Choice

org.antlr.v4.codegen.model.LL1Choice

org.antlr.v4.codegen.model.LL1AltBlock

org.antlr.v4.codegen.model.LL1OptionalBlock

public class LL1OptionalBlock
extends LL1AltBlock

An optional block is just an alternative block where the last alternative is epsilon. The analysis takes care of adding to the empty alternative. (A | B | C)?

Field Summary

Fields inherited from class org.antlr.v4.codegen.model.Choice

alts, decision, label, preamble

Fields inherited from class org.antlr.v4.codegen.model.LL1Choice

altLook, error

Fields inherited from class org.antlr.v4.codegen.model.OutputModelObject

ast, factory

Fields inherited from class org.antlr.v4.codegen.model.RuleElement

stateNumber

Fields inherited from class org.antlr.v4.codegen.model.SrcOp

enclosingBlock, enclosingRuleRunction, uniqueID

Constructor Summary

Constructors

Constructor	Description
LL1OptionalBlock(OutputModelFactory factory, GrammarAST blkAST, List<CodeBlockForAlt> alts)

Method Summary

Methods inherited from class org.antlr.v4.codegen.model.Choice

addCodeForLookaheadTempVar, addPreambleOp, getAltLookaheadAsStringLists, getThrowNoViableAlt

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from class org.antlr.v4.codegen.model.SrcOp

getContextName, getOuterMostAltCodeBlock

Constructor Detail

LL1OptionalBlock

public LL1OptionalBlock(OutputModelFactory factory,
                        GrammarAST blkAST,
                        List<CodeBlockForAlt> alts)