/*
* Copyright 2003-2007 the original author or authors.
*
* 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 org.codehaus.groovy.ast.expr;
import java.util.ArrayList;
import java.util.List;
import org.codehaus.groovy.ast.GroovyCodeVisitor;
import org.codehaus.groovy.ast.VariableScope;
/**
* This class represents a list of expressions used to
* create closures. Example:
* <code>
* def foo = (1;2;;)
* </code>
* The right side is a ClosureListExpression consisting of
* two ConstantExpressions for the values 1 and 2, and two
* EmptyStatement entries. The ClosureListExpression defines a new
* variable scope. All created Closures share this scope.
*
*
* @author Jochen Theodorou
*/
public class ClosureListExpression extends ListExpression {
private VariableScope scope;
public ClosureListExpression(List<Expression> expressions) {
super(expressions);
scope = new VariableScope();
}
public ClosureListExpression() {
this(new ArrayList<Expression>(3));
}
public void visit(GroovyCodeVisitor visitor) {
visitor.visitClosureListExpression(this);
}
public Expression transformExpression(ExpressionTransformer transformer) {
Expression ret = new ClosureListExpression(transformExpressions(getExpressions(), transformer));
ret.setSourcePosition(this);
return ret;
}
public void setVariableScope(VariableScope scope) {
this.scope = scope;
}
public VariableScope getVariableScope() {
return scope;
}
public String getText() {
StringBuffer buffer = new StringBuffer("(");
boolean first = true;
for (Expression expression : getExpressions()) {
if (first) {
first = false;
} else {
buffer.append("; ");
}
buffer.append(expression.getText());
}
buffer.append(")");
return buffer.toString();
}
}