Mercurial > hg > graal-compiler
view graal/com.oracle.jvmci.debug/src/com/oracle/jvmci/debug/DebugConfigScope.java @ 21652:5f3dda39d205
Truffle: add DynamicObject#containsKey, make flags parameter optional, minor simplifications
author | Andreas Woess <andreas.woess@oracle.com> |
---|---|
date | Mon, 01 Jun 2015 12:55:56 +0200 |
parents | b1530a6cce8c |
children |
line wrap: on
line source
/* * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.jvmci.debug; import com.oracle.jvmci.debug.internal.*; /** * A utility for scoping a change to the current debug * {@linkplain DebugScope#setConfig(DebugConfig) configuration}. For example: * * <pre> * DebugConfig config = ...; * try (DebugConfigScope s = new DebugConfigScope(config)) { * // ... * } * </pre> */ public class DebugConfigScope implements AutoCloseable { private final DebugConfig current; /** * Sets the current debug {@linkplain DebugScope#setConfig(DebugConfig) configuration} to a * given value and creates an object that when {@linkplain #close() closed} resets the * configuration to the {@linkplain DebugScope#getConfig() current} configuration. */ public DebugConfigScope(DebugConfig config) { this.current = DebugScope.getConfig(); DebugScope.getInstance().setConfig(config); } public void close() { DebugScope.getInstance().setConfig(current); } }