/*
Copyright (C) 2013 Raquel Pau and Albert Coroleu.
Walkmod is free software: you can redistribute it and/or modify
it under the terms of 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.
Walkmod 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.
You should have received a copy of the GNU Lesser General Public License
along with Walkmod. If not, see <http://www.gnu.org/licenses/>.*/
package org.walkmod.javalang.ast.stmt;
import java.util.LinkedList;
import java.util.List;
import org.walkmod.javalang.ast.Node;
import org.walkmod.javalang.ast.expr.Expression;
import org.walkmod.javalang.visitors.GenericVisitor;
import org.walkmod.javalang.visitors.VoidVisitor;
/**
* @author Julio Vilmar Gesser
*/
public final class SwitchStmt extends Statement {
private Expression selector;
private List<SwitchEntryStmt> entries;
public SwitchStmt() {
}
public SwitchStmt(Expression selector, List<SwitchEntryStmt> entries) {
setSelector(selector);
setEntries(entries);
}
public SwitchStmt(int beginLine, int beginColumn, int endLine, int endColumn, Expression selector,
List<SwitchEntryStmt> entries) {
super(beginLine, beginColumn, endLine, endColumn);
setSelector(selector);
setEntries(entries);
}
@Override
public boolean removeChild(Node child) {
boolean result = false;
if (child != null) {
if (child == selector) {
selector = null;
result = true;
}
if (!result) {
if (child instanceof SwitchStmt) {
if (entries != null) {
List<SwitchEntryStmt> entriesAux = new LinkedList<SwitchEntryStmt>(entries);
result = entriesAux.remove(child);
entries = entriesAux;
}
}
}
}
if(result){
updateReferences(child);
}
return result;
}
@Override
public List<Node> getChildren() {
List<Node> children = super.getChildren();
if (selector != null) {
children.add(selector);
}
if (entries != null) {
children.addAll(entries);
}
return children;
}
@Override
public <R, A> R accept(GenericVisitor<R, A> v, A arg) {
if (!check()) {
return null;
}
return v.visit(this, arg);
}
@Override
public <A> void accept(VoidVisitor<A> v, A arg) {
if (check()) {
v.visit(this, arg);
}
}
public List<SwitchEntryStmt> getEntries() {
return entries;
}
public Expression getSelector() {
return selector;
}
public void setEntries(List<SwitchEntryStmt> entries) {
this.entries = entries;
setAsParentNodeOf(entries);
}
public void setSelector(Expression selector) {
if (this.selector != null) {
updateReferences(this.selector);
}
this.selector = selector;
setAsParentNodeOf(selector);
}
@Override
public boolean replaceChildNode(Node oldChild, Node newChild) {
boolean updated = false;
if (oldChild == selector) {
setSelector((Expression) newChild);
updated = true;
}
if (!updated) {
updated = replaceChildNodeInList(oldChild, newChild, entries);
}
return updated;
}
@Override
public SwitchStmt clone() throws CloneNotSupportedException {
return new SwitchStmt(clone(selector), clone(entries));
}
}