/* | |
* 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.Iterator; | |
import java.util.List; | |
import org.codehaus.groovy.ast.GroovyCodeVisitor; | |
import org.codehaus.groovy.ast.VariableScope; | |
/** | |
* This class rerpresents 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 expressions) { | |
super(expressions); | |
scope = new VariableScope(); | |
} | |
public ClosureListExpression() { | |
this(new ArrayList(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 (Iterator iter = getExpressions().iterator(); iter.hasNext(); ) { | |
if (first) { | |
first = false; | |
} else { | |
buffer.append("; "); | |
} | |
buffer.append(((Expression)iter.next()).getText()); | |
} | |
buffer.append(")"); | |
return buffer.toString(); | |
} | |
} |