| /* |
| * Copyright 2009 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.impl.gflow.cfg; |
| |
| import com.google.gwt.dev.jjs.ast.JExpression; |
| import com.google.gwt.dev.jjs.ast.JMethodCall; |
| |
| /** |
| * Node which might throw exception. |
| */ |
| public class CfgOptionalThrowNode extends CfgNode<JExpression> { |
| /** |
| * Edge role for normal, no-throwing execution. |
| */ |
| public static final String NO_THROW = "NOTHROW"; |
| /** |
| * Edge role for throwing RuntimeException. |
| */ |
| public static final String RUNTIME_EXCEPTION = "RE"; |
| /** |
| * Edge role for throwing generic Error. |
| */ |
| public static final String ERROR = "E"; |
| |
| public CfgOptionalThrowNode(CfgNode<?> parent, JExpression node) { |
| super(parent, node); |
| } |
| |
| @Override |
| public void accept(CfgVisitor visitor) { |
| visitor.visitOptionalThrowNode(this); |
| } |
| |
| @Override |
| public String toDebugString() { |
| if (getJNode() instanceof JMethodCall) { |
| return "OPTTHROW(" + ((JMethodCall) getJNode()).getTarget().getName() + "())"; |
| } |
| return "OPTTHROW(" + getJNode().toSource() + ")"; |
| } |
| |
| @Override |
| protected CfgNode<?> cloneImpl() { |
| return new CfgOptionalThrowNode(getParent(), getJNode()); |
| } |
| } |