/* * 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 org.graalvm.compiler.debug.internal; /** * A name and index for a value managed in a thread local value map. All access to the value is made * via a {@link DebugValue} instance. */ public abstract class DebugValue implements Comparable { private final String name; private int index; private boolean conditional; protected DebugValue(String name, boolean conditional) { this.name = name; this.index = -1; this.conditional = conditional; } public long getCurrentValue() { ensureInitialized(); return DebugScope.getInstance().getCurrentValue(index); } protected void setCurrentValue(long l) { ensureInitialized(); DebugScope.getInstance().setCurrentValue(index, l); } public void setConditional(boolean flag) { conditional = flag; } public boolean isConditional() { return conditional; } private void ensureInitialized() { if (index == -1) { index = KeyRegistry.register(this); } } protected void addToCurrentValue(long value) { setCurrentValue(getCurrentValue() + value); } /** * Gets the globally unique index for the value represented by this object. */ public int getIndex() { ensureInitialized(); return index; } /** * Gets the globally unique name for the value represented by this object. */ public String getName() { return name; } @Override public int compareTo(DebugValue o) { return name.compareTo(o.name); } @Override public String toString() { return name + "@" + index; } public abstract String toString(long value); /** * The raw unit of the value (e.g. 'us', 'ms'). Use {@code ""} if there is no unit. */ public abstract String rawUnit(); /** * The raw value. */ public abstract String toRawString(long value); }