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Diffstat (limited to 'libjava/java/lang/Compiler.java')
| -rw-r--r-- | libjava/java/lang/Compiler.java | 118 |
1 files changed, 88 insertions, 30 deletions
diff --git a/libjava/java/lang/Compiler.java b/libjava/java/lang/Compiler.java index bb0f784..bca1031 100644 --- a/libjava/java/lang/Compiler.java +++ b/libjava/java/lang/Compiler.java @@ -1,53 +1,111 @@ -// Compiler.java - Control byte->machine code compiler. +/* Compiler.java -- Interface for implementing a method to override + Object.clone()comparaing objects to obtain an ordering + Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc. -/* Copyright (C) 1998, 1999 Free Software Foundation +This file is part of GNU Classpath. - This file is part of libgcj. +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. -package java.lang; +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ -/** - * @author Tom Tromey <tromey@cygnus.com> - * @date October 23, 1998. - */ + +package java.lang; /* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3 */ -public final class Compiler +/** + * The <code>Compiler</code> class is a place holder for a JIT + * compiler implementation does nothing unless there is such a + * compiler by default. + * <p> + * The system property <code>java.compiler</code> may contain the name + * of a library to load with <code>System.loadLibrary</code> when the + * virtual machine first starts. If so and loading the library succeeds, + * then a function by the name of <code>java_lang_Compiler_start()</code> + * in that library is called. + * + * Note that a VM might not have implemented any of this. + * + * @author Tom Tromey <tromey@cygnus.com> + * + * @since JDK 1.0 + * @see System#getProperty(java.lang.String) + * @see System#getProperty(java.lang.String,java.lang.String) + * @see System#loadLibrary(java.lang.String) + */ +public final class Compiler { - public static Object command (Object arg) + /** + * Don't allow new `Compiler's to be made. + */ + private Compiler () { - // Our implementation defines this to a no-op. - return null; } - public static boolean compileClass (Class oneClass) + /** + * Compile the class named by <code>oneClass</code>. + * + * @param oneClass the class to compile + * @return <code>false</code> if no compiler is available or + * compilation failed and <code>true</code> if compilation succeeded. + */ + public static boolean compileClass (Class oneClass) { - // Never succeed. - return false; + // Never succeed. + return false; } - - public static boolean compileClasses (String classNames) + + /** + * Compile the classes whose name matches <code>classNames/code>. + * + * @param classNames the name of classes to compile + * @return <code>false</code> if no compiler is available or + * compilation failed and <code>true</code> if compilation succeeded. + */ + public static boolean compileClasses (String classNames) { - // Note the incredibly lame interface. Always fail. - return false; + // Note the incredibly lame interface. Always fail. + return false; } - public static void disable () + /** + * This method examines the argument and performs an operation + * according to the compilers documentation. No specific operation + * is required. + */ + public static Object command (Object arg) { + // Our implementation defines this to a no-op. + return null; } - public static void enable () - { - } + /** + * Calling <code>Compiler.enable()</code> will cause the compiler + * to resume operation if it was previously disabled. + */ + public static void enable () { } - // Don't allow new `Compiler's to be made. - private Compiler () - { - } + /** + * Calling <code>Compiler.disable()</code> will cause the compiler + * to be suspended. + */ + public static void disable () { } } |