com.google.gwt.dev.jjs.impl.gflow.cfg.CfgOptionalThrowNode Maven / Gradle / Ivy
/*
* 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 {
/**
* 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());
}
}