1 /*

     2  * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 

    25 package org.graalvm.compiler.replacements;

    26 

    27 import static org.graalvm.compiler.replacements.nodes.CStringConstant.cstring;

    28 

    29 import java.io.PrintStream;

    30 

    31 import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor;

    32 import org.graalvm.compiler.graph.Node.ConstantNodeParameter;

    33 import org.graalvm.compiler.graph.Node.NodeIntrinsic;

    34 import org.graalvm.compiler.nodes.extended.ForeignCallNode;

    35 import org.graalvm.compiler.word.Word;

    36 

    37 import jdk.vm.ci.meta.JavaKind;

    38 

    39 //JaCoCo Exclude

    40 

    41 /**

    42  * Provides {@link PrintStream}-like logging facility.

    43  */

    44 public final class Log {

    45 

    46     public static final ForeignCallDescriptor LOG_PRIMITIVE = new ForeignCallDescriptor("logPrimitive", void.class, int.class, long.class, boolean.class);

    47     public static final ForeignCallDescriptor LOG_OBJECT = new ForeignCallDescriptor("logObject", void.class, Object.class, boolean.class, boolean.class);

    48     public static final ForeignCallDescriptor LOG_PRINTF = new ForeignCallDescriptor("logPrintf", void.class, Word.class, long.class, long.class, long.class);

    49 

    50     @NodeIntrinsic(ForeignCallNode.class)

    51     private static native void log(@ConstantNodeParameter ForeignCallDescriptor logObject, Object object, boolean asString, boolean newline);

    52 

    53     @NodeIntrinsic(ForeignCallNode.class)

    54     private static native void log(@ConstantNodeParameter ForeignCallDescriptor logPrimitive, int typeChar, long value, boolean newline);

    55 

    56     @NodeIntrinsic(ForeignCallNode.class)

    57     private static native void printf(@ConstantNodeParameter ForeignCallDescriptor logPrintf, Word format, long v1, long v2, long v3);

    58 

    59     public static void print(boolean value) {

    60         log(LOG_PRIMITIVE, JavaKind.Boolean.getTypeChar(), value ? 1L : 0L, false);

    61     }

    62 

    63     public static void print(byte value) {

    64         log(LOG_PRIMITIVE, JavaKind.Byte.getTypeChar(), value, false);

    65     }

    66 

    67     public static void print(char value) {

    68         log(LOG_PRIMITIVE, JavaKind.Char.getTypeChar(), value, false);

    69     }

    70 

    71     public static void print(short value) {

    72         log(LOG_PRIMITIVE, JavaKind.Short.getTypeChar(), value, false);

    73     }

    74 

    75     public static void print(int value) {

    76         log(LOG_PRIMITIVE, JavaKind.Int.getTypeChar(), value, false);

    77     }

    78 

    79     public static void print(long value) {

    80         log(LOG_PRIMITIVE, JavaKind.Long.getTypeChar(), value, false);

    81     }

    82 

    83     /**

    84      * Prints a formatted string to the log stream.

    85      *

    86      * @param format a C style printf format value that can contain at most one conversion specifier

    87      *            (i.e., a sequence of characters starting with '%').

    88      * @param value the value associated with the conversion specifier

    89      */

    90     public static void printf(String format, long value) {

    91         printf(LOG_PRINTF, cstring(format), value, 0L, 0L);

    92     }

    93 

    94     public static void printf(String format, long v1, long v2) {

    95         printf(LOG_PRINTF, cstring(format), v1, v2, 0L);

    96     }

    97 

    98     public static void printf(String format, long v1, long v2, long v3) {

    99         printf(LOG_PRINTF, cstring(format), v1, v2, v3);

   100     }

   101 

   102     public static void print(float value) {

   103         if (Float.isNaN(value)) {

   104             print("NaN");

   105         } else if (value == Float.POSITIVE_INFINITY) {

   106             print("Infinity");

   107         } else if (value == Float.NEGATIVE_INFINITY) {

   108             print("-Infinity");

   109         } else {

   110             log(LOG_PRIMITIVE, JavaKind.Float.getTypeChar(), Float.floatToRawIntBits(value), false);

   111         }

   112     }

   113 

   114     public static void print(double value) {

   115         if (Double.isNaN(value)) {

   116             print("NaN");

   117         } else if (value == Double.POSITIVE_INFINITY) {

   118             print("Infinity");

   119         } else if (value == Double.NEGATIVE_INFINITY) {

   120             print("-Infinity");

   121         } else {

   122             log(LOG_PRIMITIVE, JavaKind.Double.getTypeChar(), Double.doubleToRawLongBits(value), false);

   123         }

   124     }

   125 

   126     public static void print(String value) {

   127         log(LOG_OBJECT, value, true, false);

   128     }

   129 

   130     public static void printObject(Object o) {

   131         log(LOG_OBJECT, o, false, false);

   132     }

   133 

   134     public static void println(boolean value) {

   135         log(LOG_PRIMITIVE, JavaKind.Boolean.getTypeChar(), value ? 1L : 0L, true);

   136     }

   137 

   138     public static void println(byte value) {

   139         log(LOG_PRIMITIVE, JavaKind.Byte.getTypeChar(), value, true);

   140     }

   141 

   142     public static void println(char value) {

   143         log(LOG_PRIMITIVE, JavaKind.Char.getTypeChar(), value, true);

   144     }

   145 

   146     public static void println(short value) {

   147         log(LOG_PRIMITIVE, JavaKind.Short.getTypeChar(), value, true);

   148     }

   149 

   150     public static void println(int value) {

   151         log(LOG_PRIMITIVE, JavaKind.Int.getTypeChar(), value, true);

   152     }

   153 

   154     public static void println(long value) {

   155         log(LOG_PRIMITIVE, JavaKind.Long.getTypeChar(), value, true);

   156     }

   157 

   158     public static void println(float value) {

   159         if (Float.isNaN(value)) {

   160             println("NaN");

   161         } else if (value == Float.POSITIVE_INFINITY) {

   162             println("Infinity");

   163         } else if (value == Float.NEGATIVE_INFINITY) {

   164             println("-Infinity");

   165         } else {

   166             log(LOG_PRIMITIVE, JavaKind.Float.getTypeChar(), Float.floatToRawIntBits(value), true);

   167         }

   168     }

   169 

   170     public static void println(double value) {

   171         if (Double.isNaN(value)) {

   172             println("NaN");

   173         } else if (value == Double.POSITIVE_INFINITY) {

   174             println("Infinity");

   175         } else if (value == Double.NEGATIVE_INFINITY) {

   176             println("-Infinity");

   177         } else {

   178             log(LOG_PRIMITIVE, JavaKind.Double.getTypeChar(), Double.doubleToRawLongBits(value), true);

   179         }

   180     }

   181 

   182     public static void println(String value) {

   183         log(LOG_OBJECT, value, true, true);

   184     }

   185 

   186     public static void printlnObject(Object o) {

   187         log(LOG_OBJECT, o, false, true);

   188     }

   189 

   190     public static void println() {

   191         println("");

   192     }

   193 }