Mercurial > hg > graal-compiler
annotate graal/com.oracle.max.criutils/src/com/oracle/max/criutils/CompilationPrinter.java @ 4169:f5328dda9714
Initial commit of SSA-based spill-all register assignment
author | Christian Wimmer <Christian.Wimmer@Oracle.com> |
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date | Wed, 28 Dec 2011 18:13:25 -0800 |
parents | bc8527f3071c |
children | 319860ae697a |
rev | line source |
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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.oracle.max.criutils; |
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24 |
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25 import java.io.*; |
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26 |
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27 import com.sun.cri.ci.*; |
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28 import com.sun.cri.ri.*; |
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29 |
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30 /** |
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31 * Utility for printing compilation related data structures at various compilation phases. |
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32 * The output format is such that it can then be fed to the |
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33 * <a href="https://c1visualizer.dev.java.net/">C1 Visualizer</a>. |
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34 */ |
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35 public class CompilationPrinter { |
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36 public static final String COLUMN_END = " <|@"; |
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37 public static final String HOVER_START = "<@"; |
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38 public static final String HOVER_SEP = "|@"; |
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39 public static final String HOVER_END = ">@"; |
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40 |
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41 private static OutputStream globalOut; |
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42 |
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43 /** |
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44 * Gets a global output stream on a file in the current working directory. |
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45 * This stream is first opened if necessary. The name of the file |
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46 * is {@code "compilations-" + System.currentTimeMillis() + ".cfg"}. |
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47 * |
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48 * @return the global output stream or {@code null} if there was an error opening the file for writing |
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49 */ |
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50 public static synchronized OutputStream globalOut() { |
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51 if (globalOut == null) { |
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52 File file = new File("compilations-" + System.currentTimeMillis() + ".cfg"); |
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53 try { |
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54 globalOut = new FileOutputStream(file); |
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55 } catch (FileNotFoundException e) { |
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56 TTY.println("WARNING: Could not open " + file.getAbsolutePath()); |
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57 } |
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58 } |
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59 return globalOut; |
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60 } |
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61 |
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62 protected final LogStream out; |
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63 |
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64 /** |
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65 * Creates a control flow graph printer. |
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66 * |
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67 * @param os where the output generated via this printer will be sent |
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68 */ |
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69 public CompilationPrinter(OutputStream os) { |
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70 out = new LogStream(os); |
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71 } |
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72 |
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73 /** |
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74 * Flushes all buffered output to the underlying output stream. |
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75 */ |
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76 public void flush() { |
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77 out.flush(); |
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78 } |
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79 |
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80 protected void begin(String string) { |
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81 out.println("begin_" + string); |
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82 out.adjustIndentation(2); |
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83 } |
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84 |
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85 protected void end(String string) { |
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86 out.adjustIndentation(-2); |
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87 out.println("end_" + string); |
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88 } |
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89 |
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90 /** |
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91 * Prints a compilation timestamp for a given method. |
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92 * |
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93 * @param method the method for which a timestamp will be printed |
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94 */ |
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95 public void printCompilation(RiMethod method) { |
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96 begin("compilation"); |
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97 out.print("name \" ").print(CiUtil.format("%H::%n", method)).println('"'); |
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98 out.print("method \"").print(CiUtil.format("%f %r %H.%n(%p)", method)).println('"'); |
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99 out.print("date ").println(System.currentTimeMillis()); |
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100 end("compilation"); |
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101 } |
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102 |
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103 /** |
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104 * Formats a given {@linkplain FrameState JVM frame state} as a multi line string. |
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105 */ |
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106 protected String debugInfoToString(CiCodePos codePos, CiBitMap registerRefMap, CiBitMap frameRefMap, CiArchitecture arch) { |
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107 StringBuilder sb = new StringBuilder(); |
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108 |
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109 if (registerRefMap != null) { |
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110 sb.append("reg-ref-map:"); |
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111 for (int reg = registerRefMap.nextSetBit(0); reg >= 0; reg = registerRefMap.nextSetBit(reg + 1)) { |
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112 sb.append(' ').append(arch == null ? "reg" + reg : arch.registers[reg]); |
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113 } |
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114 sb.append("\n"); |
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115 } |
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116 |
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117 if (frameRefMap != null) { |
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118 sb.append("frame-ref-map:"); |
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119 for (int reg = frameRefMap.nextSetBit(0); reg >= 0; reg = frameRefMap.nextSetBit(reg + 1)) { |
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120 sb.append(' ').append(CiStackSlot.get(CiKind.Object, reg)); |
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121 } |
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122 sb.append("\n"); |
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123 } |
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124 |
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125 if (codePos != null) { |
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126 CiCodePos curCodePos = codePos; |
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127 do { |
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128 sb.append(CiUtil.toLocation(curCodePos.method, curCodePos.bci)); |
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129 sb.append('\n'); |
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130 if (curCodePos instanceof CiFrame) { |
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131 CiFrame frame = (CiFrame) curCodePos; |
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132 if (frame.numStack > 0) { |
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133 sb.append("stack: "); |
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134 for (int i = 0; i < frame.numStack; i++) { |
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135 sb.append(valueToString(frame.getStackValue(i))).append(' '); |
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136 } |
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137 sb.append("\n"); |
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138 } |
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139 |
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140 if (frame.numLocks > 0) { |
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141 sb.append("locks: "); |
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142 for (int i = 0; i < frame.numLocks; ++i) { |
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143 sb.append(valueToString(frame.getLockValue(i))).append(' '); |
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144 } |
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145 sb.append("\n"); |
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146 } |
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147 |
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148 sb.append("locals: "); |
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149 for (int i = 0; i < frame.numLocals; i++) { |
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150 sb.append(valueToString(frame.getLocalValue(i))).append(' '); |
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151 } |
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152 sb.append("\n"); |
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153 } |
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154 curCodePos = curCodePos.caller; |
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155 } while (curCodePos != null); |
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156 } |
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157 return sb.toString(); |
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158 } |
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159 |
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160 protected String valueToString(CiValue value) { |
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161 if (value == null) { |
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162 return "-"; |
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163 } |
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164 return value.toString(); |
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165 } |
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166 |
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167 public void printMachineCode(String code, String label) { |
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168 if (code.length() == 0) { |
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169 return; |
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170 } |
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171 if (label != null) { |
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172 begin("cfg"); |
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173 out.print("name \"").print(label).println('"'); |
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174 end("cfg"); |
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175 } |
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176 begin("nmethod"); |
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177 out.print(code); |
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178 out.println(" <|@"); |
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179 end("nmethod"); |
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180 } |
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181 |
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182 public void printBytecodes(String code) { |
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183 if (code.length() == 0) { |
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184 return; |
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185 } |
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186 begin("bytecodes"); |
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187 out.print(code); |
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188 out.println(" <|@"); |
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189 end("bytecodes"); |
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190 } |
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191 } |