/*
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.max.jdwp.generate;
import java.io.*;
/**
* @author JDK7: jdk/make/tools/src/build/tools/jdwpgen
*/
class CommandNode extends AbstractNamedNode {
@Override
void constrain(Context ctx) {
if (components.size() == 3) {
final Node out = components.get(0);
final Node reply = components.get(1);
final Node error = components.get(2);
if (!(out instanceof OutNode)) {
error("Expected 'Out' item, got: " + out);
}
if (!(reply instanceof ReplyNode)) {
error("Expected 'Reply' item, got: " + reply);
}
if (!(error instanceof ErrorSetNode)) {
error("Expected 'ErrorSet' item, got: " + error);
}
} else if (components.size() == 1) {
final Node evt = components.get(0);
if (!(evt instanceof EventNode)) {
error("Expected 'Event' item, got: " + evt);
}
} else {
error("Command must have Out and Reply items or ErrorSet item");
}
super.constrain(ctx);
}
@Override
void genJavaClassSpecifics(PrintWriter writer, int depth) {
indent(writer, depth);
writer.println("public static final byte COMMAND = " + nameNode().value() + ";");
indent(writer, depth);
writer.println("public abstract static class Handler implements CommandHandler<IncomingRequest, Reply> {");
indent(writer, depth + 1);
writer.println("public IncomingRequest createIncomingDataObject() { return new IncomingRequest(); }");
indent(writer, depth + 1);
writer.print("public int helpAtDecodingUntaggedValue(IncomingRequest incomingRequest) throws JDWPException {");
writer.println("assert false : \"If this method can be called, it must be overwritten in subclasses!\"; return 0; }");
indent(writer, depth + 1);
writer.println("public Reply handle(IncomingRequest incomingRequest, JDWPSender replyChannel) throws JDWPException { return handle(incomingRequest); }");
indent(writer, depth + 1);
writer.println("public Reply handle(IncomingRequest incomingRequest) throws JDWPException { throw new JDWPNotImplementedException(); }");
indent(writer, depth + 1);
writer.println("public byte getCommandId() { return COMMAND; }");
indent(writer, depth + 1);
writer.println("public byte getCommandSetId() { return COMMAND_SET; }");
indent(writer, depth);
writer.println("}");
if (components.size() == 1) {
indent(writer, depth);
writer.println("public static class IncomingRequest implements IncomingData {");
indent(writer, depth + 1);
writer.println("public void read(JDWPInputStream ps) throws JDWPException { }");
indent(writer, depth);
writer.println("}");
}
}
@Override
void genJava(PrintWriter writer, int depth) {
genJavaClass(writer, depth);
}
}