| /* |
| * Copyright 2008 Google Inc. |
| * |
| * 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 com.google.gwt.dev.jjs.ast; |
| |
| import com.google.gwt.dev.jjs.SourceInfo; |
| |
| /** |
| * Java method parameter definition. |
| */ |
| public class JParameter extends JVariable { |
| |
| private final boolean isThis; |
| private final boolean isVarags; |
| private boolean isOptional; |
| |
| public JParameter(SourceInfo info, String name, JType type, boolean isFinal) { |
| this(info, name, type, isFinal, false, false, false); |
| } |
| |
| JParameter(SourceInfo info, String name, JType type, boolean isFinal, boolean isVarargs, |
| boolean isThis, boolean isOptional) { |
| super(info, name, type, isFinal); |
| this.isThis = isThis; |
| this.isVarags = isVarargs; |
| this.isOptional = isOptional; |
| assert !isVarargs || type.isArrayType(); |
| } |
| |
| public JParameterRef createRef(SourceInfo info) { |
| return new JParameterRef(info, this); |
| } |
| |
| /** |
| * Returns <code>true</code> if this parameter marked as optional. |
| */ |
| public boolean isOptional() { |
| return isOptional; |
| } |
| |
| /** |
| * Returns <code>true</code> if this parameter is the this parameter of a |
| * static impl method. |
| */ |
| public boolean isThis() { |
| return isThis; |
| } |
| |
| /** |
| * Returns <code>true</code> if this parameter is a varargs parameter. |
| */ |
| public boolean isVarargs() { |
| return isVarags; |
| } |
| |
| public void setOptional() { |
| isOptional = true; |
| } |
| |
| @Override |
| public JParameterRef makeRef(SourceInfo info) { |
| return new JParameterRef(info, this); |
| } |
| |
| @Override |
| public void setInitializer(JDeclarationStatement declStmt) { |
| throw new UnsupportedOperationException("A JParameter cannot have an initializer"); |
| } |
| |
| @Override |
| public void traverse(JVisitor visitor, Context ctx) { |
| if (visitor.visit(this, ctx)) { |
| } |
| visitor.endVisit(this, ctx); |
| } |
| } |