com.hazelcast.shaded.org.antlr.v4.runtime.InterpreterRuleContext Maven / Gradle / Ivy
/*
* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
* Use of this file is governed by the BSD 3-clause license that
* can be found in the LICENSE.txt file in the project root.
*/
package com.hazelcast.shaded.org.antlr.v4.runtime;
/**
* This class extends {@link ParserRuleContext} by allowing the value of
* {@link #getRuleIndex} to be explicitly set for the context.
*
*
* {@link ParserRuleContext} does not include field storage for the rule index
* since the context classes created by the code generator override the
* {@link #getRuleIndex} method to return the correct value for that context.
* Since the parser interpreter does not use the context classes generated for a
* parser, this class (with slightly more memory overhead per node) is used to
* provide equivalent functionality.
*/
public class InterpreterRuleContext extends ParserRuleContext {
/** This is the backing field for {@link #getRuleIndex}. */
protected int ruleIndex = -1;
public InterpreterRuleContext() { }
/**
* Constructs a new {@link InterpreterRuleContext} with the specified
* parent, invoking state, and rule index.
*
* @param parent The parent context.
* @param invokingStateNumber The invoking state number.
* @param ruleIndex The rule index for the current context.
*/
public InterpreterRuleContext(ParserRuleContext parent,
int invokingStateNumber,
int ruleIndex)
{
super(parent, invokingStateNumber);
this.ruleIndex = ruleIndex;
}
@Override
public int getRuleIndex() {
return ruleIndex;
}
}
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