/*
* Copyright 2007 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.dev.jjs.ast.js;
import com.google.gwt.dev.jjs.SourceInfo;
import com.google.gwt.dev.jjs.ast.Context;
import com.google.gwt.dev.jjs.ast.JExpression;
import com.google.gwt.dev.jjs.ast.JPrimitiveType;
import com.google.gwt.dev.jjs.ast.JType;
import com.google.gwt.dev.jjs.ast.JVisitor;
import java.util.ArrayList;
/**
* Represents multiple ordered expressions as a single compound expression.
*/
public class JMultiExpression extends JExpression {
public ArrayList<JExpression> exprs = new ArrayList<JExpression>();
public JMultiExpression(SourceInfo info) {
super(info);
}
public JType getType() {
int c = exprs.size();
if (c == 0) {
return JPrimitiveType.VOID;
} else {
return exprs.get(c - 1).getType();
}
}
@Override
public boolean hasSideEffects() {
for (int i = 0; i < exprs.size(); ++i) {
JExpression expr = exprs.get(i);
if (expr.hasSideEffects()) {
return true;
}
}
return false;
}
public void traverse(JVisitor visitor, Context ctx) {
if (visitor.visit(this, ctx)) {
visitor.acceptWithInsertRemove(exprs);
}
visitor.endVisit(this, ctx);
}
}