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1 /*
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2 * Copyright 1999-2001 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 // This program reads an include file database.
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26 // The database should cover each self .c and .h file,
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27 // but not files in /usr/include
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28 // The database consists of pairs of nonblank words, where the first word is
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29 // the filename that needs to include the file named by the second word.
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30 // For each .c file, this program generates a fooIncludes.h file that
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31 // the .c file may include to include all the needed files in the right order.
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32 // It also generates a foo.dep file to include in the makefile.
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33 // Finally it detects cycles, and can work with two files, an old and a new one.
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34 // To incrementally write out only needed files after a small change.
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35 //
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36 // Based on a suggestion by Roland Conybeare, algorithm suggested by Craig
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37 // Chambers, written by David Ungar, 3/1/89.
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38 // Added PREFIX, {DEP/INC}_DIR, smaller dep output 10/92 -Urs
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39
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40 // Add something for precompiled headers
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41
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42 // To handle different platforms, I am introducing a platform file.
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43 // The platform file contains lines like:
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44 // os = svr4
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45 //
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46 // Then, when processing the includeDB file, a token such as <os>
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47 // gets replaced by svr4. -- dmu 3/25/97
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48
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49 // Modified to centralize Dependencies to speed up make -- dmu 5/97
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50
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51 public class MakeDeps {
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52
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53 public static void usage() {
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54 System.out.println("usage:");
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55 System.out.println("\tmakeDeps platform-name platform-file database-file [MakeDeps args] [platform args]");
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56 System.out.println("\tmakeDeps diffs platform-name old-platform-file old-database-file new-platform-file new-database-file [MakeDeps args] [platform args]");
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57 System.out.println("where platform-name is the name of a platform MakeDeps supports");
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58 System.out.println("(currently \"WinGammaPlatform\" or \"UnixPlatform\")");
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59 System.out.println("MakeDeps options:");
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60 System.out.println(" -firstFile [filename]: Specify the first file in link order (i.e.,");
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61 System.out.println(" to have a well-known function at the start of the output file)");
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62 System.out.println(" -lastFile [filename]: Specify the last file in link order (i.e.,");
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63 System.out.println(" to have a well-known function at the end of the output file)");
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64 System.err.println("WinGammaPlatform platform-specific options:");
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65 System.err.println(" -sourceBase <path to directory (workspace) " +
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66 "containing source files; no trailing slash>");
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67 System.err.println(" -dspFileName <full pathname to which .dsp file " +
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68 "will be written; all parent directories must " +
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69 "already exist>");
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70 System.err.println(" -envVar <environment variable to be inserted " +
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71 "into .dsp file, substituting for path given in " +
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72 "-sourceBase. Example: HotSpotWorkSpace>");
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73 System.err.println(" -dllLoc <path to directory in which to put " +
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74 "jvm.dll and jvm_g.dll; no trailing slash>");
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75 System.err.println(" If any of the above are specified, "+
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76 "they must all be.");
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77 System.err.println(" Additional, optional arguments, which can be " +
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78 "specified multiple times:");
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79 System.err.println(" -absoluteInclude <string containing absolute " +
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80 "path to include directory>");
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81 System.err.println(" -relativeInclude <string containing include " +
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82 "directory relative to -envVar>");
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83 System.err.println(" -define <preprocessor flag to be #defined " +
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84 "(note: doesn't yet support " +
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85 "#define (flag) (value))>");
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86 System.err.println(" -perFileLine <file> <line>");
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87 System.err.println(" -conditionalPerFileLine <file> <line for " +
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88 "release build> <line for debug build>");
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89 System.err.println(" (NOTE: To work around a bug in nmake, where " +
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90 "you can't have a '#' character in a quoted " +
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91 "string, all of the lines outputted have \"#\"" +
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92 "prepended)");
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93 System.err.println(" -startAt <subdir of sourceBase>");
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94 System.err.println(" -ignoreFile <file which won't be able to be " +
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95 "found in the sourceBase because it's generated " +
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96 "later>");
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97 System.err.println(" -additionalFile <file not in database but " +
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98 "which should show up in .dsp file, like " +
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99 "includeDB_core>");
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100 System.err.println(" -additionalGeneratedFile <environment variable of " +
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101 "generated file's location> <relative path to " +
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102 "directory containing file; no trailing slash> " +
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103 "<name of file generated later in the build process>");
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104 System.err.println(" -prelink <build> <desc> <cmds>:");
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105 System.err.println(" Generate a set of prelink commands for the given BUILD");
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106 System.err.println(" (\"Debug\" or \"Release\"). The prelink description and commands");
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107 System.err.println(" are both quoted strings.");
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108 System.err.println(" Default includes: \".\"");
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109 System.err.println(" Default defines: WIN32, _WINDOWS, \"HOTSPOT_BUILD_USER=$(USERNAME)\"");
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110 }
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111
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112 public static void main(String[] args) {
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113 try {
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114 if (args.length < 3) {
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115 usage();
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116 System.exit(1);
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117 }
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118
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119 int argc = 0;
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120 boolean diffMode = false;
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121 if (args[argc].equals("diffs")) {
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122 diffMode = true;
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123 ++argc;
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124 }
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125
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126 String platformName = args[argc++];
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127 Class platformClass = Class.forName(platformName);
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128
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129 String plat1 = null;
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130 String db1 = null;
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131 String plat2 = null;
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132 String db2 = null;
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133
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134 String firstFile = null;
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135 String lastFile = null;
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136
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137 int numOptionalArgs =
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138 (diffMode ? (args.length - 6) : (args.length - 3));
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139 if (numOptionalArgs < 0) {
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140 usage();
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141 System.exit(1);
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142 }
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143
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144 plat1 = args[argc++];
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145 db1 = args[argc++];
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146
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147 if (diffMode) {
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148 plat2 = args[argc++];
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149 db2 = args[argc++];
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150 }
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151
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152 // argc now points at start of optional arguments, if any
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153
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154 try {
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155 boolean gotOne = true;
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156 while (gotOne && (argc < args.length - 1)) {
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157 gotOne = false;
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158 String arg = args[argc];
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159 if (arg.equals("-firstFile")) {
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160 firstFile = args[argc + 1];
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161 argc += 2;
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162 gotOne = true;
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163 } else if (arg.equals("-lastFile")) {
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164 lastFile = args[argc + 1];
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165 argc += 2;
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166 gotOne = true;
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167 }
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168 }
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169 }
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170 catch (Exception e) {
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171 e.printStackTrace();
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172 usage();
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173 System.exit(1);
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174 }
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175
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176 Platform platform = (Platform) platformClass.newInstance();
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177 platform.setupFileTemplates();
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178 long t = platform.defaultGrandIncludeThreshold();
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179
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180 String[] platformArgs = null;
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181 int numPlatformArgs = args.length - argc;
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182 if (numPlatformArgs > 0) {
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183 platformArgs = new String[numPlatformArgs];
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184 int offset = argc;
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185 while (argc < args.length) {
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186 platformArgs[argc - offset] = args[argc];
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187 ++argc;
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188 }
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189 }
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190
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191 // If you want to change the threshold, change the default
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192 // "grand include" threshold in Platform.java, or override
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193 // it in the platform-specific file like UnixPlatform.java
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194
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195 Database previous = new Database(platform, t);
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196 Database current = new Database(platform, t);
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197
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198 previous.canBeMissing();
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199
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200 if (firstFile != null) {
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201 previous.setFirstFile(firstFile);
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202 current.setFirstFile(firstFile);
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203 }
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204 if (lastFile != null) {
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205 previous.setLastFile(lastFile);
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206 current.setLastFile(lastFile);
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207 }
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208
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209 if (diffMode) {
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210 System.out.println("Old database:");
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211 previous.get(plat1, db1);
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212 previous.compute();
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213 System.out.println("New database:");
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214 current.get(plat2, db2);
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215 current.compute();
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216 System.out.println("Deltas:");
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217 current.putDiffs(previous);
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218 } else {
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219 System.out.println("New database:");
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220 current.get(plat1, db1);
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221 current.compute();
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222 current.put();
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223 }
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224
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225 if (platformArgs != null) {
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226 // Allow the platform to write platform-specific files
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227 platform.writePlatformSpecificFiles(previous, current,
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228 platformArgs);
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229 }
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230 }
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231 catch (Exception e) {
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232 e.printStackTrace();
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233 System.exit(1);
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234 }
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235 }
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236 }
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