langtools/src/share/classes/com/sun/tools/javac/Main.java
author jjg
Thu, 22 Sep 2011 09:24:01 -0700
changeset 10638 c8e9604cf151
parent 8032 e1aa25ccdabb
child 16303 b5dca0b42963
permissions -rw-r--r--
7075721: javac should have public enum for exit codes Reviewed-by: mcimadamore
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/*
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 * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package com.sun.tools.javac;
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import java.io.PrintWriter;
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import java.lang.reflect.*;
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/**
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 * The programmatic interface for the Java Programming Language
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 * compiler, javac.
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 *
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 * <p>Except for the two methods
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 * {@link #compile(java.lang.String[])}
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 * {@link #compile(java.lang.String[],java.io.PrintWriter)},
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 * nothing described in this source file is part of any supported
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 * API.  If you write code that depends on this, you do so at your own
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 * risk.  This code and its internal interfaces are subject to change
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 * or deletion without notice.
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 */
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public class Main {
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    /** Unsupported command line interface.
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     * @param args   The command line parameters.
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     */
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    public static void main(String[] args) throws Exception {
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      if (args.length > 0 && args[0].equals("-Xjdb")) {
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        String[] newargs = new String[args.length + 2];
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        Class<?> c = Class.forName("com.sun.tools.example.debug.tty.TTY");
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        Method method = c.getDeclaredMethod ("main", new Class<?>[] {args.getClass()});
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        method.setAccessible(true);
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        System.arraycopy(args, 1, newargs, 3, args.length - 1);
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        newargs[0] = "-connect";
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        newargs[1] = "com.sun.jdi.CommandLineLaunch:options=-esa -ea:com.sun.tools...";
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        newargs[2] = "com.sun.tools.javac.Main";
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        method.invoke(null, new Object[] { newargs });
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      } else {
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        System.exit(compile(args));
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      }
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    }
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    /** Programmatic interface to the Java Programming Language
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     * compiler, javac.
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     *
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     * @param args The command line arguments that would normally be
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     * passed to the javac program as described in the man page.
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     * @return an integer equivalent to the exit value from invoking
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     * javac, see the man page for details.
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     */
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    public static int compile(String[] args) {
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        com.sun.tools.javac.main.Main compiler =
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            new com.sun.tools.javac.main.Main("javac");
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        return compiler.compile(args).exitCode;
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    }
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    /** Programmatic interface to the Java Programming Language
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     * compiler, javac.
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     *
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     * @param args The command line arguments that would normally be
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     * passed to the javac program as described in the man page.
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     * @param out PrintWriter to which the compiler's diagnostic
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     * output is directed.
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     * @return an integer equivalent to the exit value from invoking
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     * javac, see the man page for details.
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     */
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    public static int compile(String[] args, PrintWriter out) {
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        com.sun.tools.javac.main.Main compiler =
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            new com.sun.tools.javac.main.Main("javac", out);
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        return compiler.compile(args).exitCode;
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    }
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}