1 /*
   2  * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package org.openjdk.buildtools.jdwpgen;
  27 
  28 import java.io.*;
  29 
  30 abstract class AbstractGroupNode extends AbstractTypeListNode {
  31 
  32     void document(PrintWriter writer) {
  33         for (Node node : components) {
  34             node.document(writer);
  35         }
  36     }
  37 
  38     String javaType() {
  39         return name();
  40     }
  41 
  42     void genJava(PrintWriter writer, int depth) {
  43         genJavaClass(writer, depth);
  44     }
  45 
  46     void genJavaWriteMethod(PrintWriter writer, int depth) {
  47         genJavaWriteMethod(writer, depth, "private ");
  48     }
  49 
  50     void genJavaWriteMethod(PrintWriter writer, int depth, String modifier) {
  51         writer.println();
  52         indent(writer, depth);
  53         writer.print(modifier);
  54         writer.println("void write(PacketStream ps) {");
  55         genJavaWrites(writer, depth+1);
  56         indent(writer, depth);
  57         writer.println("}");
  58     }
  59 
  60     void genJavaClassSpecifics(PrintWriter writer, int depth) {
  61         switch (context.state) {
  62             case Context.readingReply:
  63                 genJavaReadingClassBody(writer, depth, name());
  64                 break;
  65 
  66             case Context.writingCommand:
  67                 genJavaWritingClassBody(writer, depth, name());
  68                 genJavaWriteMethod(writer, depth);
  69                 break;
  70 
  71             default:
  72                 error("Group in outer");
  73                 break;
  74         }
  75     }
  76 
  77     public void genJavaDeclaration(PrintWriter writer, int depth) {
  78         writer.println();
  79         genJavaComment(writer, depth);
  80         indent(writer, depth);
  81         writer.print("final ");
  82         writer.print(name());
  83         writer.print(" a" + name());
  84         writer.println(";");
  85     }
  86 
  87     public String javaParam() {
  88         return name() + " a" + name();
  89     }
  90 
  91     public void genJavaWrite(PrintWriter writer, int depth,
  92                              String writeLabel) {
  93         genJavaDebugWrite(writer, depth, writeLabel, "\"\"");
  94         indent(writer, depth);
  95         writer.println(writeLabel + ".write(ps);");
  96     }
  97 
  98     String javaRead() {
  99         error("Internal - Should not call AbstractGroupNode.javaRead()");
 100         return "";
 101     }
 102 
 103     public void genJavaRead(PrintWriter writer, int depth,
 104                             String readLabel) {
 105         genJavaDebugRead(writer, depth, readLabel, "\"\"");
 106         indent(writer, depth);
 107         writer.print(readLabel);
 108         writer.print(" = new ");
 109         writer.print(name());
 110         writer.println("(vm, ps);");
 111     }
 112 }