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The ANTLR 4 grammar compiler.

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RuleContextWithAltNum (ANTLR 4 Runtime (Optimized) 4.13.1.3 API)











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org.antlr.v4.runtime
Class RuleContextWithAltNum



java.lang.Object


org.antlr.v4.runtime.RuleContext


org.antlr.v4.runtime.ParserRuleContext


org.antlr.v4.runtime.RuleContextWithAltNum











All Implemented Interfaces:
ParseTree, RuleNode, SyntaxTree, Tree




public class RuleContextWithAltNum
extends ParserRuleContext
A handy class for use with

  options {contextSuperClass=org.antlr.v4.runtime.RuleContextWithAltNum;}

  that provides a backing field / impl for the outer alternative number
  matched for an internal parse tree node.

  I'm only putting into Java runtime as I'm certain I'm the only one that
  will really every use this.











Field Summary




Fields inherited from class org.antlr.v4.runtime.ParserRuleContext
children, exception, start, stop





Fields inherited from class org.antlr.v4.runtime.RuleContext
invokingState, parent








Constructor Summary

Constructors 

Constructor and Description


RuleContextWithAltNum() 


RuleContextWithAltNum(ParserRuleContext parent,
                     int invokingStateNumber) 









Method Summary

All Methods Instance Methods Concrete Methods 

Modifier and Type
Method and Description


int
getAltNumber()
For rule associated with this parse tree internal node, return
  the outer alternative number used to match the input.



void
setAltNumber(int altNum)
Set the outer alternative number for this context node.







Methods inherited from class org.antlr.v4.runtime.ParserRuleContext
addAnyChild, addChild, addChild, addChild, addErrorNode, addErrorNode, copyFrom, emptyContext, enterRule, exitRule, getChild, getChild, getChildCount, getParent, getRuleContext, getRuleContexts, getSourceInterval, getStart, getStop, getToken, getTokens, removeLastChild, toInfoString





Methods inherited from class org.antlr.v4.runtime.RuleContext
accept, depth, getChildContext, getPayload, getRuleContext, getRuleIndex, getText, isEmpty, setParent, toString, toString, toString, toString, toString, toStringTree, toStringTree, toStringTree





Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait














Constructor Detail





RuleContextWithAltNum
public RuleContextWithAltNum()







RuleContextWithAltNum
public RuleContextWithAltNum(ParserRuleContext parent,
                             int invokingStateNumber)









Method Detail





getAltNumber
public int getAltNumber()
Description copied from class: RuleContext
For rule associated with this parse tree internal node, return
  the outer alternative number used to match the input. Default
  implementation does not compute nor store this alt num. Create
  a subclass of ParserRuleContext with backing field and set
  option contextSuperClass.
  to set it.

Overrides:
getAltNumber in class RuleContext








setAltNumber
public void setAltNumber(int altNum)
Description copied from class: RuleContext
Set the outer alternative number for this context node. Default
  implementation does nothing to avoid backing field overhead for
  trees that don't need it.  Create
  a subclass of ParserRuleContext with backing field and set
  option contextSuperClass.

Overrides:
setAltNumber in class RuleContext














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Copyright © 1992–2023 Daniel Sun. All rights reserved.

Modifier and Type	Method and Description
`int`	`getAltNumber()` For rule associated with this parse tree internal node, return the outer alternative number used to match the input.
`void`	`setAltNumber(int altNum)` Set the outer alternative number for this context node.