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/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2016 The JavaParser Team.
*
* This file is part of JavaParser.
*
* JavaParser can be used either under the terms of
* a) the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* b) the terms of the Apache License
*
* You should have received a copy of both licenses in LICENCE.LGPL and
* LICENCE.APACHE. Please refer to those files for details.
*
* JavaParser is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*/
package com.github.javaparser.ast.stmt;
import com.github.javaparser.ast.AllFieldsConstructor;
import com.github.javaparser.ast.expr.Expression;
import com.github.javaparser.ast.expr.NameExpr;
import com.github.javaparser.ast.observer.ObservableProperty;
import com.github.javaparser.ast.visitor.GenericVisitor;
import com.github.javaparser.ast.visitor.VoidVisitor;
import java.util.Optional;
import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.visitor.CloneVisitor;
import com.github.javaparser.metamodel.OptionalProperty;
import com.github.javaparser.metamodel.ReturnStmtMetaModel;
import com.github.javaparser.metamodel.JavaParserMetaModel;
import javax.annotation.Generated;
import com.github.javaparser.TokenRange;
import java.util.function.Consumer;
/**
* The return statement, with an optional expression to return.
* <br/><code>return 5 * 5;</code>
* @author Julio Vilmar Gesser
*/
public final class ReturnStmt extends Statement {
@OptionalProperty
private Expression expression;
public ReturnStmt() {
this(null, null);
}
@AllFieldsConstructor
public ReturnStmt(final Expression expression) {
this(null, expression);
}
/**
* This constructor is used by the parser and is considered private.
*/
@Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator")
public ReturnStmt(TokenRange tokenRange, Expression expression) {
super(tokenRange);
setExpression(expression);
customInitialization();
}
/**
* Will create a NameExpr with the string param
*/
public ReturnStmt(String expression) {
this(null, new NameExpr(expression));
}
@Override
@Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) {
return v.visit(this, arg);
}
@Override
@Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
public <A> void accept(final VoidVisitor<A> v, final A arg) {
v.visit(this, arg);
}
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
public Optional<Expression> getExpression() {
return Optional.ofNullable(expression);
}
/**
* Sets the expression
*
* @param expression the expression, can be null
* @return this, the ReturnStmt
*/
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
public ReturnStmt setExpression(final Expression expression) {
if (expression == this.expression) {
return (ReturnStmt) this;
}
notifyPropertyChange(ObservableProperty.EXPRESSION, this.expression, expression);
if (this.expression != null)
this.expression.setParentNode(null);
this.expression = expression;
setAsParentNodeOf(expression);
return this;
}
@Override
@Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator")
public boolean remove(Node node) {
if (node == null)
return false;
if (expression != null) {
if (node == expression) {
removeExpression();
return true;
}
}
return super.remove(node);
}
@Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator")
public ReturnStmt removeExpression() {
return setExpression((Expression) null);
}
@Override
@Generated("com.github.javaparser.generator.core.node.CloneGenerator")
public ReturnStmt clone() {
return (ReturnStmt) accept(new CloneVisitor(), null);
}
@Override
@Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator")
public ReturnStmtMetaModel getMetaModel() {
return JavaParserMetaModel.returnStmtMetaModel;
}
@Override
@Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator")
public boolean replace(Node node, Node replacementNode) {
if (node == null)
return false;
if (expression != null) {
if (node == expression) {
setExpression((Expression) replacementNode);
return true;
}
}
return super.replace(node, replacementNode);
}
@Override
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public boolean isReturnStmt() {
return true;
}
@Override
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public ReturnStmt asReturnStmt() {
return this;
}
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public void ifReturnStmt(Consumer<ReturnStmt> action) {
action.accept(this);
}
@Override
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public Optional<ReturnStmt> toReturnStmt() {
return Optional.of(this);
}
}
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