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Groovy: A powerful, dynamic language for the JVM
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.codehaus.groovy.ast.expr;
import java.util.ArrayList;
import java.util.List;
import org.codehaus.groovy.ast.ClassHelper;
import org.codehaus.groovy.ast.GroovyCodeVisitor;
/**
* Represents a list expression [1, 2, 3] which creates a mutable List
*
* @author James Strachan
*/
public class ListExpression extends Expression {
private List expressions;
private boolean wrapped = false;
public ListExpression() {
this(new ArrayList());
}
public ListExpression(List expressions) {
this.expressions = expressions;
//TODO: get the type's of the expressions to specify the
// list type to List if possible.
setType(ClassHelper.LIST_TYPE);
}
public void addExpression(Expression expression) {
expressions.add(expression);
}
public List getExpressions() {
return expressions;
}
public void setWrapped(boolean value) {
wrapped = value;
}
public boolean isWrapped() {
return wrapped;
}
public void visit(GroovyCodeVisitor visitor) {
visitor.visitListExpression(this);
}
public Expression transformExpression(ExpressionTransformer transformer) {
Expression ret = new ListExpression(transformExpressions(getExpressions(), transformer));
ret.setSourcePosition(this);
ret.copyNodeMetaData(this);
return ret;
}
public Expression getExpression(int i) {
return expressions.get(i);
}
public String getText() {
StringBuilder buffer = new StringBuilder("[");
boolean first = true;
for (Expression expression : expressions) {
if (first) {
first = false;
} else {
buffer.append(", ");
}
buffer.append(expression.getText());
}
buffer.append("]");
return buffer.toString();
}
public String toString() {
return super.toString() + expressions;
}
}