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annotate graal/GraalCompiler/src/com/sun/c1x/debug/IdealGraphPrinterObserver.java @ 2698:b179be22a3db

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Allow to submit graphs to IdealGraphVisualizer remotely with new options named after their counterparts in C2
author Peter Hofer <peter.hofer@jku.at>
date Wed, 18 May 2011 15:01:43 +0200
parents 79590d6b4a7c
children a51ef0310dad
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.sun.c1x.debug;
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24
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25 import java.io.*;
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26 import java.net.*;
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27 import java.util.regex.*;
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28
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29 import com.oracle.graal.graph.*;
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30 import com.sun.c1x.*;
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31 import com.sun.c1x.observer.*;
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32 import com.sun.c1x.value.*;
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33
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34 /**
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35 * Observes compilation events and uses {@link IdealGraphPrinter} to generate a graph representation that can be
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36 * inspected with the <a href="http://kenai.com/projects/igv">Ideal Graph Visualizer</a>.
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37 *
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38 * @author Peter Hofer
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39 */
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40 public class IdealGraphPrinterObserver implements CompilationObserver {
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41
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42 private static final Pattern INVALID_CHAR = Pattern.compile("[^A-Za-z0-9_.-]");
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44 private final String host;
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45 private final int port;
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46
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47 private IdealGraphPrinter printer;
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48 private OutputStream stream;
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49 private Socket socket;
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50
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51 public IdealGraphPrinterObserver() {
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52 this(null, -1);
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53 }
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54
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55 public IdealGraphPrinterObserver(String host, int port) {
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56 this.host = host;
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57 this.port = port;
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58 }
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59
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60 @Override
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61 public void compilationStarted(CompilationEvent event) {
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62 assert (stream == null && printer == null);
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63
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64 if (!TTY.isSuppressed()) {
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65 String name = event.getMethod().holder().name();
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66 name = name.substring(1, name.length() - 1).replace('/', '.');
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67 name = name + "." + event.getMethod().name();
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68
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69 if (host != null) {
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70 openNetworkPrinter(name);
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71 } else {
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72 openFilePrinter(name);
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73 }
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74 }
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75 }
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76
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77 private void openFilePrinter(String name) {
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78 String filename = name + ".igv.xml";
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79 filename = INVALID_CHAR.matcher(filename).replaceAll("_");
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80
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81 try {
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82 stream = new FileOutputStream(filename);
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83 printer = new IdealGraphPrinter(stream);
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84 if (C1XOptions.OmitDOTFrameStates) {
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85 printer.addOmittedClass(FrameState.class);
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86 }
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87 printer.begin();
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88 printer.beginGroup(name, name, -1);
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89 } catch (IOException e) {
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90 e.printStackTrace();
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91 }
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92 }
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93
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94 private void openNetworkPrinter(String name) {
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95 try {
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96 socket = new Socket(host, port);
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97 if (socket.getInputStream().read() == 'y') {
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98 stream = socket.getOutputStream();
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99 } else {
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100 // server currently does not accept any input
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101 socket.close();
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102 socket = null;
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103 return;
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104 }
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105
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106 printer = new IdealGraphPrinter(stream);
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107 if (C1XOptions.OmitDOTFrameStates) {
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108 printer.addOmittedClass(FrameState.class);
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109 }
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110 printer.begin();
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111 printer.beginGroup(name, name, -1);
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112 printer.flush();
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113 if (socket.getInputStream().read() != 'y') {
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114 // server declines input for this method
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115 socket.close();
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116 socket = null;
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117 stream = null;
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118 printer = null;
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119 }
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120 } catch (IOException e) {
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121 e.printStackTrace();
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122
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123 if (socket != null) {
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124 try {
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125 socket.close();
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126 } catch (IOException ioe) {
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127 }
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128 socket = null;
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129 }
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130 stream = null;
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131 printer = null;
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132 }
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133 }
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134
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135 @Override
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136 public void compilationEvent(CompilationEvent event) {
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137 if (printer != null && event.getStartBlock() != null) {
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138 Graph graph = event.getStartBlock().graph();
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139 printer.print(graph, event.getLabel(), true);
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140 }
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141 }
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142
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143 @Override
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144 public void compilationFinished(CompilationEvent event) {
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145 if (printer != null) {
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146 try {
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147 printer.endGroup();
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148 printer.end();
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149
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150 if (socket != null) {
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151 socket.close(); // also closes stream
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152 } else {
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153 stream.close();
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154 }
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155 } catch (IOException e) {
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156 e.printStackTrace();
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157 } finally {
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158 printer = null;
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159 stream = null;
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160 socket = null;
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161 }
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162 }
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163 }
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parents:
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164
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165 }