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 class Main {
  31 
  32     static String specSource;
  33     static boolean genDebug = true;
  34 
  35     static void usage() {
  36         System.err.println();
  37         System.err.println(
  38             "java Main <spec_input> <options>...");
  39         System.err.println();
  40         System.err.println("Options:");
  41         System.err.println("-doc <doc_output>");
  42         System.err.println("-jdi <java_output>");
  43         System.err.println("-include <include_file_output>");
  44     }
  45 
  46     public static void main(String args[]) throws IOException {
  47         Reader reader = null;
  48         PrintWriter doc = null;
  49         PrintWriter jdi = null;
  50         PrintWriter include = null;
  51 
  52         // Parse arguments
  53         for (int i = 0 ; i < args.length ; ++i) {
  54             String arg = args[i];
  55             if (arg.startsWith("-")) {
  56                 String fn = args[++i];
  57                 if (arg.equals("-doc")) {
  58                     doc = new PrintWriter(new FileWriter(fn));
  59                 } else if (arg.equals("-jdi")) {
  60                     jdi = new PrintWriter(new FileWriter(fn));
  61                 } else if (arg.equals("-include")) {
  62                     include = new PrintWriter(new FileWriter(fn));
  63                 } else {
  64                     System.err.println("Invalid option: " + arg);
  65                     usage();
  66                     return;
  67                 }
  68             } else {
  69                 specSource = arg;
  70                 reader = new FileReader(specSource);
  71             }
  72         }
  73         if (reader == null) {
  74             System.err.println("<spec_input> must be specified");
  75             usage();
  76             return;
  77         }
  78 
  79         Parse parse = new Parse(reader);
  80         RootNode root = parse.items();
  81         root.parentAndExtractComments();
  82         root.prune();
  83         root.constrain(new Context());
  84         if (doc != null) {
  85             root.document(doc);
  86             doc.close();
  87         }
  88         if (jdi != null) {
  89             root.genJava(jdi, 0);
  90             jdi.close();
  91         }
  92         if (include != null) {
  93             root.genCInclude(include);
  94             include.close();
  95         }
  96     }
  97 }