1 /*
   2  * Copyright (c) 1999, 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 com.sun.tools.javac;
  27 
  28 import java.io.PrintWriter;
  29 import java.lang.reflect.*;
  30 
  31 
  32 /**
  33  * The programmatic interface for the Java Programming Language
  34  * compiler, javac.
  35  *
  36  * <p>Except for the two methods
  37  * {@link #compile(java.lang.String[])}
  38  * {@link #compile(java.lang.String[],java.io.PrintWriter)},
  39  * nothing described in this source file is part of any supported
  40  * API.  If you write code that depends on this, you do so at your own
  41  * risk.  This code and its internal interfaces are subject to change
  42  * or deletion without notice.
  43  */
  44 @jdk.Supported
  45 public class Main {
  46 
  47     /** Unsupported command line interface.
  48      * @param args   The command line parameters.
  49      */
  50     public static void main(String[] args) throws Exception {
  51       if (args.length > 0 && args[0].equals("-Xjdb")) {
  52         String[] newargs = new String[args.length + 2];
  53         Class<?> c = Class.forName("com.sun.tools.example.debug.tty.TTY");
  54         Method method = c.getDeclaredMethod ("main", new Class<?>[] {args.getClass()});
  55         method.setAccessible(true);
  56         System.arraycopy(args, 1, newargs, 3, args.length - 1);
  57         newargs[0] = "-connect";
  58         newargs[1] = "com.sun.jdi.CommandLineLaunch:options=-esa -ea:com.sun.tools...";
  59         newargs[2] = "com.sun.tools.javac.Main";
  60         method.invoke(null, new Object[] { newargs });
  61       } else {
  62         System.exit(compile(args));
  63       }
  64     }
  65 
  66     /** Programmatic interface to the Java Programming Language
  67      * compiler, javac.
  68      *
  69      * @param args The command line arguments that would normally be
  70      * passed to the javac program as described in the man page.
  71      * @return an integer equivalent to the exit value from invoking
  72      * javac, see the man page for details.
  73      */
  74     public static int compile(String[] args) {
  75         com.sun.tools.javac.main.Main compiler =
  76             new com.sun.tools.javac.main.Main("javac");
  77         return compiler.compile(args).exitCode;
  78     }
  79 
  80 
  81 
  82     /** Programmatic interface to the Java Programming Language
  83      * compiler, javac.
  84      *
  85      * @param args The command line arguments that would normally be
  86      * passed to the javac program as described in the man page.
  87      * @param out PrintWriter to which the compiler's diagnostic
  88      * output is directed.
  89      * @return an integer equivalent to the exit value from invoking
  90      * javac, see the man page for details.
  91      */
  92     public static int compile(String[] args, PrintWriter out) {
  93         com.sun.tools.javac.main.Main compiler =
  94             new com.sun.tools.javac.main.Main("javac", out);
  95         return compiler.compile(args).exitCode;
  96     }
  97 }