/* * Copyright (c) 2012, 2015, 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.replacements; import java.io.PrintStream; import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor; import org.graalvm.compiler.graph.Node.ConstantNodeParameter; import org.graalvm.compiler.graph.Node.NodeIntrinsic; import org.graalvm.compiler.nodes.extended.ForeignCallNode; import jdk.vm.ci.meta.JavaKind; //JaCoCo Exclude /** * Provides {@link PrintStream}-like logging facility. */ public final class Log { public static final ForeignCallDescriptor LOG_PRIMITIVE = new ForeignCallDescriptor("logPrimitive", void.class, int.class, long.class, boolean.class); public static final ForeignCallDescriptor LOG_OBJECT = new ForeignCallDescriptor("logObject", void.class, Object.class, boolean.class, boolean.class); public static final ForeignCallDescriptor LOG_PRINTF = new ForeignCallDescriptor("logPrintf", void.class, Object.class, long.class, long.class, long.class); @NodeIntrinsic(ForeignCallNode.class) private static native void log(@ConstantNodeParameter ForeignCallDescriptor logObject, Object object, boolean asString, boolean newline); @NodeIntrinsic(ForeignCallNode.class) private static native void log(@ConstantNodeParameter ForeignCallDescriptor logPrimitive, int typeChar, long value, boolean newline); @NodeIntrinsic(ForeignCallNode.class) private static native void printf(@ConstantNodeParameter ForeignCallDescriptor logPrintf, String format, long v1, long v2, long v3); public static void print(boolean value) { log(LOG_PRIMITIVE, JavaKind.Boolean.getTypeChar(), value ? 1L : 0L, false); } public static void print(byte value) { log(LOG_PRIMITIVE, JavaKind.Byte.getTypeChar(), value, false); } public static void print(char value) { log(LOG_PRIMITIVE, JavaKind.Char.getTypeChar(), value, false); } public static void print(short value) { log(LOG_PRIMITIVE, JavaKind.Short.getTypeChar(), value, false); } public static void print(int value) { log(LOG_PRIMITIVE, JavaKind.Int.getTypeChar(), value, false); } public static void print(long value) { log(LOG_PRIMITIVE, JavaKind.Long.getTypeChar(), value, false); } /** * Prints a formatted string to the log stream. * * @param format a C style printf format value that can contain at most one conversion specifier * (i.e., a sequence of characters starting with '%'). * @param value the value associated with the conversion specifier */ public static void printf(String format, long value) { printf(LOG_PRINTF, format, value, 0L, 0L); } public static void printf(String format, long v1, long v2) { printf(LOG_PRINTF, format, v1, v2, 0L); } public static void printf(String format, long v1, long v2, long v3) { printf(LOG_PRINTF, format, v1, v2, v3); } public static void print(float value) { if (Float.isNaN(value)) { print("NaN"); } else if (value == Float.POSITIVE_INFINITY) { print("Infinity"); } else if (value == Float.NEGATIVE_INFINITY) { print("-Infinity"); } else { log(LOG_PRIMITIVE, JavaKind.Float.getTypeChar(), Float.floatToRawIntBits(value), false); } } public static void print(double value) { if (Double.isNaN(value)) { print("NaN"); } else if (value == Double.POSITIVE_INFINITY) { print("Infinity"); } else if (value == Double.NEGATIVE_INFINITY) { print("-Infinity"); } else { log(LOG_PRIMITIVE, JavaKind.Double.getTypeChar(), Double.doubleToRawLongBits(value), false); } } public static void print(String value) { log(LOG_OBJECT, value, true, false); } public static void printObject(Object o) { log(LOG_OBJECT, o, false, false); } public static void println(boolean value) { log(LOG_PRIMITIVE, JavaKind.Boolean.getTypeChar(), value ? 1L : 0L, true); } public static void println(byte value) { log(LOG_PRIMITIVE, JavaKind.Byte.getTypeChar(), value, true); } public static void println(char value) { log(LOG_PRIMITIVE, JavaKind.Char.getTypeChar(), value, true); } public static void println(short value) { log(LOG_PRIMITIVE, JavaKind.Short.getTypeChar(), value, true); } public static void println(int value) { log(LOG_PRIMITIVE, JavaKind.Int.getTypeChar(), value, true); } public static void println(long value) { log(LOG_PRIMITIVE, JavaKind.Long.getTypeChar(), value, true); } public static void println(float value) { if (Float.isNaN(value)) { println("NaN"); } else if (value == Float.POSITIVE_INFINITY) { println("Infinity"); } else if (value == Float.NEGATIVE_INFINITY) { println("-Infinity"); } else { log(LOG_PRIMITIVE, JavaKind.Float.getTypeChar(), Float.floatToRawIntBits(value), true); } } public static void println(double value) { if (Double.isNaN(value)) { println("NaN"); } else if (value == Double.POSITIVE_INFINITY) { println("Infinity"); } else if (value == Double.NEGATIVE_INFINITY) { println("-Infinity"); } else { log(LOG_PRIMITIVE, JavaKind.Double.getTypeChar(), Double.doubleToRawLongBits(value), true); } } public static void println(String value) { log(LOG_OBJECT, value, true, true); } public static void printlnObject(Object o) { log(LOG_OBJECT, o, false, true); } public static void println() { println(""); } }