/*******************************************************************************
* Copyright (c) 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Zend Technologies
*******************************************************************************/
package org.eclipse.php.internal.core.typeinference.evaluators;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.dltk.ti.GoalState;
import org.eclipse.dltk.ti.goals.ExpressionTypeGoal;
import org.eclipse.dltk.ti.goals.GoalEvaluator;
import org.eclipse.dltk.ti.goals.IGoal;
import org.eclipse.dltk.ti.types.IEvaluatedType;
import org.eclipse.php.internal.core.compiler.ast.nodes.ArrayCreation;
import org.eclipse.php.internal.core.compiler.ast.nodes.ArrayElement;
import org.eclipse.php.internal.core.typeinference.PHPTypeInferenceUtils;
public class ArrayCreationEvaluator extends GoalEvaluator {
private List<IEvaluatedType> evaluated = new LinkedList<IEvaluatedType>();
public ArrayCreationEvaluator(IGoal goal) {
super(goal);
}
public IGoal[] init() {
ExpressionTypeGoal typedGoal = (ExpressionTypeGoal) goal;
ArrayCreation arrayCreation = (ArrayCreation) typedGoal.getExpression();
List<IGoal> subGoals = new LinkedList<IGoal>();
for (ArrayElement arrayElement : arrayCreation.getElements()) {
subGoals.add(new ExpressionTypeGoal(typedGoal.getContext(),
arrayElement.getValue()));
}
return subGoals.toArray(new IGoal[subGoals.size()]);
}
public Object produceResult() {
return PHPTypeInferenceUtils.combineMultiType(evaluated);
}
public IGoal[] subGoalDone(IGoal subgoal, Object result, GoalState state) {
if (state != GoalState.RECURSIVE) {
evaluated.add((IEvaluatedType) result);
}
return IGoal.NO_GOALS;
}
}