| /* |
| * 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.classgen; |
| |
| import org.codehaus.groovy.ast.ClassHelper; |
| import org.codehaus.groovy.ast.ClassNode; |
| import org.objectweb.asm.Label; |
| |
| /** |
| * Represents compile time variable metadata while compiling a method. |
| * |
| * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> |
| * @author <a href="mailto:blackdrag@gmx.org">Jochen Theodorou</a> |
| * @version $Revision$ |
| */ |
| public class Variable { |
| |
| public static final Variable THIS_VARIABLE = new Variable(); |
| public static final Variable SUPER_VARIABLE = new Variable(); |
| |
| private int index; |
| private ClassNode type; |
| private String name; |
| private boolean holder; |
| private boolean property; |
| |
| // br for setting on the LocalVariableTable in the class file |
| // these fields should probably go to jvm Operand class |
| private Label startLabel = null; |
| private Label endLabel = null; |
| private boolean dynamicTyped; |
| |
| private Variable(){ |
| dynamicTyped = true; |
| index=0; |
| holder=false; |
| property=false; |
| } |
| |
| public Variable(int index, ClassNode type, String name) { |
| this.index = index; |
| this.type = type; |
| this.name = name; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public ClassNode getType() { |
| return type; |
| } |
| |
| public String getTypeName() { |
| return type.getName(); |
| } |
| |
| /** |
| * @return the stack index for this variable |
| */ |
| public int getIndex() { |
| return index; |
| } |
| |
| /** |
| * @return is this local variable shared in other scopes (and so must use a ValueHolder) |
| */ |
| public boolean isHolder() { |
| return holder; |
| } |
| |
| public void setHolder(boolean holder) { |
| this.holder = holder; |
| } |
| |
| public boolean isProperty() { |
| return property; |
| } |
| |
| public void setProperty(boolean property) { |
| this.property = property; |
| } |
| |
| public Label getStartLabel() { |
| return startLabel; |
| } |
| |
| public void setStartLabel(Label startLabel) { |
| this.startLabel = startLabel; |
| } |
| |
| public Label getEndLabel() { |
| return endLabel; |
| } |
| |
| public void setEndLabel(Label endLabel) { |
| this.endLabel = endLabel; |
| } |
| |
| public String toString() { |
| // TODO Auto-generated method stub |
| return super.toString() + "[" + type + " " + name + " (" + index + ")"; |
| } |
| |
| public void setType(ClassNode type) { |
| this.type = type; |
| dynamicTyped |= type==ClassHelper.DYNAMIC_TYPE; |
| } |
| |
| public void setDynamicTyped(boolean b) { |
| dynamicTyped = b; |
| } |
| |
| public boolean isDynamicTyped() { |
| return dynamicTyped; |
| } |
| } |