| /* |
| $Id$ |
| |
| Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved. |
| |
| Redistribution and use of this software and associated documentation |
| ("Software"), with or without modification, are permitted provided |
| that the following conditions are met: |
| |
| 1. Redistributions of source code must retain copyright |
| statements and notices. Redistributions must also contain a |
| copy of this document. |
| |
| 2. Redistributions in binary form must reproduce the |
| above copyright notice, this list of conditions and the |
| following disclaimer in the documentation and/or other |
| materials provided with the distribution. |
| |
| 3. The name "groovy" must not be used to endorse or promote |
| products derived from this Software without prior written |
| permission of The Codehaus. For written permission, |
| please contact info@codehaus.org. |
| |
| 4. Products derived from this Software may not be called "groovy" |
| nor may "groovy" appear in their names without prior written |
| permission of The Codehaus. "groovy" is a registered |
| trademark of The Codehaus. |
| |
| 5. Due credit should be given to The Codehaus - |
| http://groovy.codehaus.org/ |
| |
| THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS |
| ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT |
| NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| */ |
| package org.codehaus.groovy.ast.expr; |
| |
| import groovy.lang.Closure; |
| |
| import org.codehaus.groovy.ast.ClassHelper; |
| import org.codehaus.groovy.ast.ClassNode; |
| import org.codehaus.groovy.ast.GroovyCodeVisitor; |
| |
| /** |
| * Represents a method pointer on an object such as |
| * foo.&bar which means find the method pointer on foo for the method called "bar" |
| * which is equivalent to |
| * <code> |
| * foo.metaClass.getMethodPointer(foo, "bar") |
| * |
| * @version $Revision$ |
| */ |
| public class MethodPointerExpression extends Expression { |
| |
| private Expression expression; |
| private String methodName; |
| |
| public MethodPointerExpression(Expression expression, String methodName) { |
| this.expression = expression; |
| this.methodName = methodName; |
| } |
| |
| public Expression getExpression() { |
| if (expression == null) |
| return VariableExpression.THIS_EXPRESSION; |
| else |
| return expression; |
| } |
| |
| public String getMethodName() { |
| return methodName; |
| } |
| |
| public void visit(GroovyCodeVisitor visitor) { |
| visitor.visitMethodPointerExpression(this); |
| } |
| |
| public Expression transformExpression(ExpressionTransformer transformer) { |
| Expression ret; |
| if (expression == null) { |
| ret = new MethodPointerExpression(VariableExpression.THIS_EXPRESSION, methodName); |
| } else { |
| ret = new MethodPointerExpression(transformer.transform(expression), methodName); |
| } |
| ret.setSourcePosition(this); |
| return ret; |
| } |
| |
| public String getText() { |
| if (expression == null) { |
| return "&" + methodName; |
| } else { |
| return expression.getText() + ".&" + methodName; |
| } |
| } |
| |
| public ClassNode getType() { |
| return ClassHelper.CLOSURE_TYPE; |
| } |
| |
| public boolean isDynamic() { |
| return false; |
| } |
| |
| public Class getTypeClass() { |
| return Closure.class; |
| } |
| } |