Copyright (c) 2000, 2009 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2000, 2009 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.compiler.ast;

import org.eclipse.jdt.internal.compiler.ASTVisitor;
import org.eclipse.jdt.internal.compiler.codegen.*;
import org.eclipse.jdt.internal.compiler.lookup.*;

public class PostfixExpression extends CompoundAssignment {

public PostfixExpression(Expression lhs, Expression expression, int operator, int pos) {
	super(lhs, expression, operator, pos);
	this.sourceStart = lhs.sourceStart;
	this.sourceEnd = pos;
}
@Override
public boolean checkCastCompatibility() {
	return false;
}
Code generation for PostfixExpression
Params:
currentScope – org.eclipse.jdt.internal.compiler.lookup.BlockScope
codeStream – org.eclipse.jdt.internal.compiler.codegen.CodeStream
valueRequired – boolean/**
 * Code generation for PostfixExpression
 *
 * @param currentScope org.eclipse.jdt.internal.compiler.lookup.BlockScope
 * @param codeStream org.eclipse.jdt.internal.compiler.codegen.CodeStream
 * @param valueRequired boolean
 */
@Override
public void generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) {
	// various scenarii are possible, setting an array reference,
	// a field reference, a blank final field reference, a field of an enclosing instance or
	// just a local variable.

	int pc = codeStream.position;
	 ((Reference) this.lhs).generatePostIncrement(currentScope, codeStream, this, valueRequired);
	if (valueRequired) {
		codeStream.generateImplicitConversion(this.implicitConversion);
	}
	codeStream.recordPositionsFrom(pc, this.sourceStart);
}

@Override
public String operatorToString() {
	switch (this.operator) {
		case PLUS :
			return "++"; //$NON-NLS-1$
		case MINUS :
			return "--"; //$NON-NLS-1$
	}
	return "unknown operator"; //$NON-NLS-1$
}

@Override
public StringBuffer printExpressionNoParenthesis(int indent, StringBuffer output) {
	return this.lhs.printExpression(indent, output).append(' ').append(operatorToString());
}

@Override
public boolean restrainUsageToNumericTypes() {
	return true;
}

@Override
public void traverse(ASTVisitor visitor, BlockScope scope) {

	if (visitor.visit(this, scope)) {
		this.lhs.traverse(visitor, scope);
	}
	visitor.endVisit(this, scope);
}
}