0
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1 /*
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2 * Copyright 1997-2007 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 // MAIN.CPP - Entry point for the Architecture Description Language Compiler
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26 #include "adlc.hpp"
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27
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28 //------------------------------Prototypes-------------------------------------
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29 static void usage(ArchDesc& AD); // Print usage message and exit
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30 static char *strip_ext(char *fname); // Strip off name extension
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31 static char *base_plus_suffix(const char* base, const char *suffix);// New concatenated string
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32 static char *prefix_plus_base_plus_suffix(const char* prefix, const char* base, const char *suffix);// New concatenated string
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33 static int get_legal_text(FileBuff &fbuf, char **legal_text); // Get pointer to legal text
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34
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35 ArchDesc* globalAD = NULL; // global reference to Architecture Description object
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36
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37 //------------------------------main-------------------------------------------
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38 int main(int argc, char *argv[])
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39 {
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40 ArchDesc AD; // Architecture Description object
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41 globalAD = &AD;
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42
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43 // ResourceMark mark;
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44 ADLParser *ADL_Parse; // ADL Parser object to parse AD file
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45
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46 // Check for proper arguments
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47 if( argc == 1 ) usage(AD); // No arguments? Then print usage
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48
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49 // Read command line arguments and file names
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50 for( int i = 1; i < argc; i++ ) { // For all arguments
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51 register char *s = argv[i]; // Get option/filename
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52
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53 if( *s++ == '-' ) { // It's a flag? (not a filename)
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54 if( !*s ) { // Stand-alone `-' means stdin
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55 //********** INSERT CODE HERE **********
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56 } else while (*s != '\0') { // While have flags on option
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57 switch (*s++) { // Handle flag
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58 case 'd': // Debug flag
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59 AD._dfa_debug += 1; // Set Debug Flag
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60 break;
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61 case 'g': // Debug ad location flag
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62 AD._adlocation_debug += 1; // Set Debug ad location Flag
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63 break;
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64 case 'o': // No Output Flag
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65 AD._no_output ^= 1; // Toggle no_output flag
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66 break;
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67 case 'q': // Quiet Mode Flag
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68 AD._quiet_mode ^= 1; // Toggle quiet_mode flag
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69 break;
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70 case 'w': // Disable Warnings Flag
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71 AD._disable_warnings ^= 1; // Toggle disable_warnings flag
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72 break;
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73 case 'T': // Option to make DFA as many subroutine calls.
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74 AD._dfa_small += 1; // Set Mode Flag
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75 break;
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76 case 'c': { // Set C++ Output file name
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77 AD._CPP_file._name = s;
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78 const char *base = strip_ext(strdup(s));
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79 AD._CPP_CLONE_file._name = base_plus_suffix(base,"_clone.cpp");
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80 AD._CPP_EXPAND_file._name = base_plus_suffix(base,"_expand.cpp");
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81 AD._CPP_FORMAT_file._name = base_plus_suffix(base,"_format.cpp");
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82 AD._CPP_GEN_file._name = base_plus_suffix(base,"_gen.cpp");
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83 AD._CPP_MISC_file._name = base_plus_suffix(base,"_misc.cpp");
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84 AD._CPP_PEEPHOLE_file._name = base_plus_suffix(base,"_peephole.cpp");
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85 AD._CPP_PIPELINE_file._name = base_plus_suffix(base,"_pipeline.cpp");
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86 s += strlen(s);
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87 break;
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88 }
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89 case 'h': // Set C++ Output file name
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90 AD._HPP_file._name = s; s += strlen(s);
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91 break;
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92 case 'v': // Set C++ Output file name
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93 AD._VM_file._name = s; s += strlen(s);
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94 break;
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95 case 'a': // Set C++ Output file name
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96 AD._DFA_file._name = s;
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97 AD._bug_file._name = s;
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98 s += strlen(s);
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99 break;
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100 case '#': // Special internal debug flag
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101 AD._adl_debug++; // Increment internal debug level
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102 break;
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103 case 's': // Output which instructions are cisc-spillable
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104 AD._cisc_spill_debug = true;
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105 break;
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106 case 'D': // Flag Definition
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107 {
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108 char* flag = s;
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109 s += strlen(s);
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110 char* def = strchr(flag, '=');
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111 if (def == NULL) def = (char*)"1";
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112 else *def++ = '\0';
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113 AD.set_preproc_def(flag, def);
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114 }
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115 break;
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116 case 'U': // Flag Un-Definition
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117 {
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118 char* flag = s;
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119 s += strlen(s);
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120 AD.set_preproc_def(flag, NULL);
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121 }
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122 break;
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123 default: // Unknown option
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124 usage(AD); // So print usage and exit
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125 } // End of switch on options...
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126 } // End of while have options...
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127
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128 } else { // Not an option; must be a filename
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129 AD._ADL_file._name = argv[i]; // Set the input filename
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130
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131 // // Files for storage, based on input file name
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132 const char *base = strip_ext(strdup(argv[i]));
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133 char *temp = base_plus_suffix("dfa_",base);
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134 AD._DFA_file._name = base_plus_suffix(temp,".cpp");
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135 delete temp;
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136 temp = base_plus_suffix("ad_",base);
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137 AD._CPP_file._name = base_plus_suffix(temp,".cpp");
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138 AD._CPP_CLONE_file._name = base_plus_suffix(temp,"_clone.cpp");
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139 AD._CPP_EXPAND_file._name = base_plus_suffix(temp,"_expand.cpp");
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140 AD._CPP_FORMAT_file._name = base_plus_suffix(temp,"_format.cpp");
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141 AD._CPP_GEN_file._name = base_plus_suffix(temp,"_gen.cpp");
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142 AD._CPP_MISC_file._name = base_plus_suffix(temp,"_misc.cpp");
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143 AD._CPP_PEEPHOLE_file._name = base_plus_suffix(temp,"_peephole.cpp");
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144 AD._CPP_PIPELINE_file._name = base_plus_suffix(temp,"_pipeline.cpp");
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145 AD._HPP_file._name = base_plus_suffix(temp,".hpp");
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146 delete temp;
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147 temp = base_plus_suffix("adGlobals_",base);
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148 AD._VM_file._name = base_plus_suffix(temp,".hpp");
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149 delete temp;
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150 temp = base_plus_suffix("bugs_",base);
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151 AD._bug_file._name = base_plus_suffix(temp,".out");
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152 delete temp;
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153 } // End of files vs options...
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154 } // End of while have command line arguments
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155
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156 // Open files used to store the matcher and its components
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157 if (AD.open_files() == 0) return 1; // Open all input/output files
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158
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159 // Build the File Buffer, Parse the input, & Generate Code
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160 FileBuff ADL_Buf(&AD._ADL_file, AD); // Create a file buffer for input file
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161
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162 // Get pointer to legal text at the beginning of AD file.
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163 // It will be used in generated ad files.
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164 char* legal_text;
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165 int legal_sz = get_legal_text(ADL_Buf, &legal_text);
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166
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167 ADL_Parse = new ADLParser(ADL_Buf, AD); // Create a parser to parse the buffer
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168 ADL_Parse->parse(); // Parse buffer & build description lists
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169
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170 if( AD._dfa_debug >= 1 ) { // For higher debug settings, print dump
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171 AD.dump();
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172 }
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173
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174 delete ADL_Parse; // Delete parser
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175
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176 // Verify that the results of the parse are consistent
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177 AD.verify();
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178
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179 // Prepare to generate the result files:
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180 AD.generateMatchLists();
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181 AD.identify_unique_operands();
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182 AD.identify_cisc_spill_instructions();
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183 AD.identify_short_branches();
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184 // Make sure every file starts with a copyright:
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185 AD.addSunCopyright(legal_text, legal_sz, AD._HPP_file._fp); // .hpp
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186 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_file._fp); // .cpp
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187 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_CLONE_file._fp); // .cpp
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188 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_EXPAND_file._fp); // .cpp
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189 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_FORMAT_file._fp); // .cpp
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190 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_GEN_file._fp); // .cpp
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191 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_MISC_file._fp); // .cpp
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192 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_PEEPHOLE_file._fp); // .cpp
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193 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_PIPELINE_file._fp); // .cpp
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194 AD.addSunCopyright(legal_text, legal_sz, AD._VM_file._fp); // .hpp
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195 AD.addSunCopyright(legal_text, legal_sz, AD._DFA_file._fp); // .cpp
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196 // Make sure each .cpp file starts with include lines:
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197 // files declaring and defining generators for Mach* Objects (hpp,cpp)
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198 AD.machineDependentIncludes(AD._CPP_file); // .cpp
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199 AD.machineDependentIncludes(AD._CPP_CLONE_file); // .cpp
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200 AD.machineDependentIncludes(AD._CPP_EXPAND_file); // .cpp
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201 AD.machineDependentIncludes(AD._CPP_FORMAT_file); // .cpp
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202 AD.machineDependentIncludes(AD._CPP_GEN_file); // .cpp
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203 AD.machineDependentIncludes(AD._CPP_MISC_file); // .cpp
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204 AD.machineDependentIncludes(AD._CPP_PEEPHOLE_file); // .cpp
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205 AD.machineDependentIncludes(AD._CPP_PIPELINE_file); // .cpp
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206 // Generate the result files:
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207 // enumerations, class definitions, object generators, and the DFA
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208 // file containing enumeration of machine operands & instructions (hpp)
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209 AD.addPreHeaderBlocks(AD._HPP_file._fp); // .hpp
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210 AD.buildMachOperEnum(AD._HPP_file._fp); // .hpp
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211 AD.buildMachOpcodesEnum(AD._HPP_file._fp); // .hpp
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212 AD.buildMachRegisterNumbers(AD._VM_file._fp); // VM file
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213 AD.buildMachRegisterEncodes(AD._HPP_file._fp); // .hpp file
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214 AD.declareRegSizes(AD._HPP_file._fp); // .hpp
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215 AD.build_pipeline_enums(AD._HPP_file._fp); // .hpp
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216 // output definition of class "State"
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217 AD.defineStateClass(AD._HPP_file._fp); // .hpp
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218 // file declaring the Mach* classes derived from MachOper and MachNode
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219 AD.declareClasses(AD._HPP_file._fp);
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220 // declare and define maps: in the .hpp and .cpp files respectively
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221 AD.addSourceBlocks(AD._CPP_file._fp); // .cpp
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222 AD.addHeaderBlocks(AD._HPP_file._fp); // .hpp
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223 AD.buildReduceMaps(AD._HPP_file._fp, AD._CPP_file._fp);
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224 AD.buildMustCloneMap(AD._HPP_file._fp, AD._CPP_file._fp);
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225 // build CISC_spilling oracle and MachNode::cisc_spill() methods
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226 AD.build_cisc_spill_instructions(AD._HPP_file._fp, AD._CPP_file._fp);
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227 // define methods for machine dependent State, MachOper, and MachNode classes
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228 AD.defineClasses(AD._CPP_file._fp);
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229 AD.buildMachOperGenerator(AD._CPP_GEN_file._fp);// .cpp
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230 AD.buildMachNodeGenerator(AD._CPP_GEN_file._fp);// .cpp
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231 // define methods for machine dependent instruction matching
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232 AD.buildInstructMatchCheck(AD._CPP_file._fp); // .cpp
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233 // define methods for machine dependent frame management
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234 AD.buildFrameMethods(AD._CPP_file._fp); // .cpp
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235
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236 // do this last:
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237 AD.addPreprocessorChecks(AD._CPP_file._fp); // .cpp
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238 AD.addPreprocessorChecks(AD._CPP_CLONE_file._fp); // .cpp
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239 AD.addPreprocessorChecks(AD._CPP_EXPAND_file._fp); // .cpp
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240 AD.addPreprocessorChecks(AD._CPP_FORMAT_file._fp); // .cpp
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241 AD.addPreprocessorChecks(AD._CPP_GEN_file._fp); // .cpp
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242 AD.addPreprocessorChecks(AD._CPP_MISC_file._fp); // .cpp
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243 AD.addPreprocessorChecks(AD._CPP_PEEPHOLE_file._fp); // .cpp
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244 AD.addPreprocessorChecks(AD._CPP_PIPELINE_file._fp); // .cpp
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245
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246 // define the finite automata that selects lowest cost production
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247 AD.machineDependentIncludes(AD._DFA_file); // .cpp
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248 AD.buildDFA(AD._DFA_file._fp);
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249
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250 AD.close_files(0); // Close all input/output files
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251
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252 // Final printout and statistics
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253 // cout << program;
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254
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255 if( AD._dfa_debug & 2 ) { // For higher debug settings, print timing info
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256 // Timer t_stop;
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257 // Timer t_total = t_stop - t_start; // Total running time
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258 // cerr << "\n---Architecture Description Totals---\n";
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259 // cerr << ", Total lines: " << TotalLines;
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260 // float l = TotalLines;
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261 // cerr << "\nTotal Compilation Time: " << t_total << "\n";
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262 // float ft = (float)t_total;
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263 // if( ft > 0.0 ) fprintf(stderr,"Lines/sec: %#5.2f\n", l/ft);
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264 }
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265 return (AD._syntax_errs + AD._semantic_errs + AD._internal_errs); // Bye Bye!!
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266 }
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267
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268 //------------------------------usage------------------------------------------
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269 static void usage(ArchDesc& AD)
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270 {
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271 printf("Architecture Description Language Compiler\n\n");
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272 printf("Usage: adl [-doqw] [-Dflag[=def]] [-Uflag] [-cFILENAME] [-hFILENAME] [-aDFAFILE] ADLFILE\n");
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273 printf(" d produce DFA debugging info\n");
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274 printf(" o no output produced, syntax and semantic checking only\n");
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275 printf(" q quiet mode, supresses all non-essential messages\n");
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276 printf(" w suppress warning messages\n");
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277 printf(" c specify CPP file name (default: %s)\n", AD._CPP_file._name);
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278 printf(" h specify HPP file name (default: %s)\n", AD._HPP_file._name);
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279 printf(" a specify DFA output file name\n");
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280 printf("\n");
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281 }
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282
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283 //------------------------------open_file------------------------------------
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284 int ArchDesc::open_file(bool required, ADLFILE & ADF, const char *action)
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285 {
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286 if (required &&
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287 (ADF._fp = fopen(ADF._name, action)) == NULL) {
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288 printf("ERROR: Cannot open file for %s: %s\n", action, ADF._name);
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289 close_files(1);
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290 return 0;
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291 }
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292 return 1;
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293 }
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294
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295 //------------------------------open_files-------------------------------------
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296 int ArchDesc::open_files(void)
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297 {
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298 if (_ADL_file._name == NULL)
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299 { printf("ERROR: No ADL input file specified\n"); return 0; }
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300
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301 if (!open_file(true , _ADL_file, "r")) { return 0; }
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302 if (!open_file(!_no_output, _DFA_file, "w")) { return 0; }
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303 if (!open_file(!_no_output, _HPP_file, "w")) { return 0; }
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304 if (!open_file(!_no_output, _CPP_file, "w")) { return 0; }
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305 if (!open_file(!_no_output, _CPP_CLONE_file, "w")) { return 0; }
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306 if (!open_file(!_no_output, _CPP_EXPAND_file, "w")) { return 0; }
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307 if (!open_file(!_no_output, _CPP_FORMAT_file, "w")) { return 0; }
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308 if (!open_file(!_no_output, _CPP_GEN_file, "w")) { return 0; }
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309 if (!open_file(!_no_output, _CPP_MISC_file, "w")) { return 0; }
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310 if (!open_file(!_no_output, _CPP_PEEPHOLE_file, "w")) { return 0; }
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311 if (!open_file(!_no_output, _CPP_PIPELINE_file, "w")) { return 0; }
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312 if (!open_file(!_no_output, _VM_file , "w")) { return 0; }
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313 if (!open_file(_dfa_debug != 0, _bug_file, "w")) { return 0; }
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314
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315 return 1;
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316 }
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317
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318 //------------------------------close_file------------------------------------
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319 void ArchDesc::close_file(int delete_out, ADLFILE& ADF)
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320 {
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321 if (ADF._fp) {
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322 fclose(ADF._fp);
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323 if (delete_out) remove(ADF._name);
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324 }
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325 }
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326
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327 //------------------------------close_files------------------------------------
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328 void ArchDesc::close_files(int delete_out)
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329 {
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330 if (_ADL_file._fp) fclose(_ADL_file._fp);
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331
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332 close_file(delete_out, _CPP_file);
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333 close_file(delete_out, _CPP_CLONE_file);
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334 close_file(delete_out, _CPP_EXPAND_file);
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335 close_file(delete_out, _CPP_FORMAT_file);
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336 close_file(delete_out, _CPP_GEN_file);
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337 close_file(delete_out, _CPP_MISC_file);
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338 close_file(delete_out, _CPP_PEEPHOLE_file);
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339 close_file(delete_out, _CPP_PIPELINE_file);
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340 close_file(delete_out, _HPP_file);
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341 close_file(delete_out, _DFA_file);
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342 close_file(delete_out, _bug_file);
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343
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344 if (!_quiet_mode) {
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345 printf("\n");
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346 if (_no_output || delete_out) {
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347 if (_ADL_file._name) printf("%s: ", _ADL_file._name);
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348 printf("No output produced");
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349 }
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350 else {
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351 if (_ADL_file._name) printf("%s --> ", _ADL_file._name);
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352 printf("%s, %s, %s, %s, %s, %s, %s, %s, %s",
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353 _CPP_file._name,
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354 _CPP_CLONE_file._name,
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355 _CPP_EXPAND_file._name,
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356 _CPP_FORMAT_file._name,
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357 _CPP_GEN_file._name,
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358 _CPP_MISC_file._name,
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359 _CPP_PEEPHOLE_file._name,
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360 _CPP_PIPELINE_file._name,
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361 _HPP_file._name, _DFA_file._name);
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362 }
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363 printf("\n");
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364 }
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365 }
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366
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367 //------------------------------strip_ext--------------------------------------
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368 static char *strip_ext(char *fname)
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369 {
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370 char *ep;
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371
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372 if (fname) {
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373 ep = fname + strlen(fname) - 1; // start at last character and look for '.'
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374 while (ep >= fname && *ep != '.') --ep;
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375 if (*ep == '.') *ep = '\0'; // truncate string at '.'
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376 }
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377 return fname;
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378 }
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379
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380 //------------------------------strip_path_and_ext------------------------------
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381 static char *strip_path_and_ext(char *fname)
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382 {
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383 char *ep;
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384 char *sp;
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385
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386 if (fname) {
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387 for (sp = fname; *sp; sp++)
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388 if (*sp == '/') fname = sp+1;
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389 ep = fname; // start at first character and look for '.'
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390 while (ep <= (fname + strlen(fname) - 1) && *ep != '.') ep++;
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391 if (*ep == '.') *ep = '\0'; // truncate string at '.'
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392 }
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393 return fname;
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394 }
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395
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396 //------------------------------base_plus_suffix-------------------------------
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397 // New concatenated string
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|
398 static char *base_plus_suffix(const char* base, const char *suffix)
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399 {
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|
400 int len = (int)strlen(base) + (int)strlen(suffix) + 1;
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|
401
|
|
402 char* fname = new char[len];
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403 sprintf(fname,"%s%s",base,suffix);
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404 return fname;
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|
405 }
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|
406
|
|
407
|
|
408 //------------------------------prefix_plus_base_plus_suffix-------------------
|
|
409 // New concatenated string
|
|
410 static char *prefix_plus_base_plus_suffix(const char* prefix, const char* base, const char *suffix)
|
|
411 {
|
|
412 int len = (int)strlen(prefix) + (int)strlen(base) + (int)strlen(suffix) + 1;
|
|
413
|
|
414 char* fname = new char[len];
|
|
415 sprintf(fname,"%s%s%s",prefix,base,suffix);
|
|
416 return fname;
|
|
417 }
|
|
418
|
|
419 //------------------------------get_legal_text---------------------------------
|
|
420 // Get pointer to legal text at the beginning of AD file.
|
|
421 // This code assumes that a legal text starts at the beginning of .ad files,
|
|
422 // is commented by "//" at each line and ends with empty line.
|
|
423 //
|
|
424 int get_legal_text(FileBuff &fbuf, char **legal_text)
|
|
425 {
|
|
426 char* legal_start = fbuf.get_line();
|
|
427 assert(legal_start[0] == '/' && legal_start[1] == '/', "Incorrect header of AD file");
|
|
428 char* legal_end = fbuf.get_line();
|
|
429 assert(strncmp(legal_end, "// Copyright", 12) == 0, "Incorrect header of AD file");
|
|
430 while(legal_end[0] == '/' && legal_end[1] == '/') {
|
|
431 legal_end = fbuf.get_line();
|
|
432 }
|
|
433 *legal_text = legal_start;
|
|
434 return (legal_end - legal_start);
|
|
435 }
|
|
436
|
|
437 // VS2005 has its own definition, identical to this one.
|
|
438 #if !defined(_WIN32) || defined(_WIN64) || _MSC_VER < 1400
|
|
439 void *operator new( size_t size, int, const char *, int ) {
|
|
440 return ::operator new( size );
|
|
441 }
|
|
442 #endif
|