1 /* 2 * Copyright (c) 1997, 2015, 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 // MAIN.CPP - Entry point for the Architecture Description Language Compiler 26 #include "adlc.hpp" 27 28 //------------------------------Prototypes------------------------------------- 29 static void usage(ArchDesc& AD); // Print usage message and exit 30 static char *strip_ext(char *fname); // Strip off name extension 31 static char *base_plus_suffix(const char* base, const char *suffix);// New concatenated string 32 static int get_legal_text(FileBuff &fbuf, char **legal_text); // Get pointer to legal text 33 34 ArchDesc* globalAD = NULL; // global reference to Architecture Description object 35 36 const char* get_basename(const char* filename) { 37 const char *basename = filename; 38 const char *cp; 39 for (cp = basename; *cp; cp++) { 40 if (*cp == '/') { 41 basename = cp+1; 42 } 43 } 44 return basename; 45 } 46 47 //------------------------------main------------------------------------------- 48 int main(int argc, char *argv[]) 49 { 50 ArchDesc AD; // Architecture Description object 51 globalAD = &AD; 52 53 // ResourceMark mark; 54 ADLParser *ADL_Parse; // ADL Parser object to parse AD file 55 56 // Check for proper arguments 57 if( argc == 1 ) usage(AD); // No arguments? Then print usage 58 59 // Read command line arguments and file names 60 for( int i = 1; i < argc; i++ ) { // For all arguments 61 register char *s = argv[i]; // Get option/filename 62 63 if( *s++ == '-' ) { // It's a flag? (not a filename) 64 if( !*s ) { // Stand-alone `-' means stdin 65 //********** INSERT CODE HERE ********** 66 } else while (*s != '\0') { // While have flags on option 67 switch (*s++) { // Handle flag 68 case 'd': // Debug flag 69 AD._dfa_debug += 1; // Set Debug Flag 70 break; 71 case 'g': // Debug ad location flag 72 AD._adlocation_debug += 1; // Set Debug ad location Flag 73 break; 74 case 'o': // No Output Flag 75 AD._no_output ^= 1; // Toggle no_output flag 76 break; 77 case 'q': // Quiet Mode Flag 78 AD._quiet_mode ^= 1; // Toggle quiet_mode flag 79 break; 80 case 'w': // Disable Warnings Flag 81 AD._disable_warnings ^= 1; // Toggle disable_warnings flag 82 break; 83 case 'T': // Option to make DFA as many subroutine calls. 84 AD._dfa_small += 1; // Set Mode Flag 85 break; 86 case 'c': { // Set C++ Output file name 87 AD._CPP_file._name = s; 88 const char *base = strip_ext(strdup(s)); 89 AD._CPP_CLONE_file._name = base_plus_suffix(base,"_clone.cpp"); 90 AD._CPP_EXPAND_file._name = base_plus_suffix(base,"_expand.cpp"); 91 AD._CPP_FORMAT_file._name = base_plus_suffix(base,"_format.cpp"); 92 AD._CPP_GEN_file._name = base_plus_suffix(base,"_gen.cpp"); 93 AD._CPP_MISC_file._name = base_plus_suffix(base,"_misc.cpp"); 94 AD._CPP_PEEPHOLE_file._name = base_plus_suffix(base,"_peephole.cpp"); 95 AD._CPP_PIPELINE_file._name = base_plus_suffix(base,"_pipeline.cpp"); 96 s += strlen(s); 97 break; 98 } 99 case 'h': // Set C++ Output file name 100 AD._HPP_file._name = s; s += strlen(s); 101 break; 102 case 'v': // Set C++ Output file name 103 AD._VM_file._name = s; s += strlen(s); 104 break; 105 case 'a': // Set C++ Output file name 106 AD._DFA_file._name = s; 107 AD._bug_file._name = s; 108 s += strlen(s); 109 break; 110 case '#': // Special internal debug flag 111 AD._adl_debug++; // Increment internal debug level 112 break; 113 case 's': // Output which instructions are cisc-spillable 114 AD._cisc_spill_debug = true; 115 break; 116 case 'D': // Flag Definition 117 { 118 char* flag = s; 119 s += strlen(s); 120 char* def = strchr(flag, '='); 121 if (def == NULL) def = (char*)"1"; 122 else *def++ = '\0'; 123 AD.set_preproc_def(flag, def); 124 } 125 break; 126 case 'U': // Flag Un-Definition 127 { 128 char* flag = s; 129 s += strlen(s); 130 AD.set_preproc_def(flag, NULL); 131 } 132 break; 133 default: // Unknown option 134 usage(AD); // So print usage and exit 135 } // End of switch on options... 136 } // End of while have options... 137 138 } else { // Not an option; must be a filename 139 AD._ADL_file._name = argv[i]; // Set the input filename 140 141 // // Files for storage, based on input file name 142 const char *base = strip_ext(strdup(argv[i])); 143 char *temp = base_plus_suffix("dfa_",base); 144 AD._DFA_file._name = base_plus_suffix(temp,".cpp"); 145 delete temp; 146 temp = base_plus_suffix("ad_",base); 147 AD._CPP_file._name = base_plus_suffix(temp,".cpp"); 148 AD._CPP_CLONE_file._name = base_plus_suffix(temp,"_clone.cpp"); 149 AD._CPP_EXPAND_file._name = base_plus_suffix(temp,"_expand.cpp"); 150 AD._CPP_FORMAT_file._name = base_plus_suffix(temp,"_format.cpp"); 151 AD._CPP_GEN_file._name = base_plus_suffix(temp,"_gen.cpp"); 152 AD._CPP_MISC_file._name = base_plus_suffix(temp,"_misc.cpp"); 153 AD._CPP_PEEPHOLE_file._name = base_plus_suffix(temp,"_peephole.cpp"); 154 AD._CPP_PIPELINE_file._name = base_plus_suffix(temp,"_pipeline.cpp"); 155 AD._HPP_file._name = base_plus_suffix(temp,".hpp"); 156 delete temp; 157 temp = base_plus_suffix("adGlobals_",base); 158 AD._VM_file._name = base_plus_suffix(temp,".hpp"); 159 delete temp; 160 temp = base_plus_suffix("bugs_",base); 161 AD._bug_file._name = base_plus_suffix(temp,".out"); 162 delete temp; 163 } // End of files vs options... 164 } // End of while have command line arguments 165 166 // Open files used to store the matcher and its components 167 if (AD.open_files() == 0) return 1; // Open all input/output files 168 169 // Build the File Buffer, Parse the input, & Generate Code 170 FileBuff ADL_Buf(&AD._ADL_file, AD); // Create a file buffer for input file 171 172 // Get pointer to legal text at the beginning of AD file. 173 // It will be used in generated ad files. 174 char* legal_text; 175 int legal_sz = get_legal_text(ADL_Buf, &legal_text); 176 177 ADL_Parse = new ADLParser(ADL_Buf, AD); // Create a parser to parse the buffer 178 ADL_Parse->parse(); // Parse buffer & build description lists 179 180 if( AD._dfa_debug >= 1 ) { // For higher debug settings, print dump 181 AD.dump(); 182 } 183 184 delete ADL_Parse; // Delete parser 185 186 // Verify that the results of the parse are consistent 187 AD.verify(); 188 189 // Prepare to generate the result files: 190 AD.generateMatchLists(); 191 AD.identify_unique_operands(); 192 AD.identify_cisc_spill_instructions(); 193 AD.identify_short_branches(); 194 // Make sure every file starts with a copyright: 195 AD.addSunCopyright(legal_text, legal_sz, AD._HPP_file._fp); // .hpp 196 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_file._fp); // .cpp 197 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_CLONE_file._fp); // .cpp 198 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_EXPAND_file._fp); // .cpp 199 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_FORMAT_file._fp); // .cpp 200 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_GEN_file._fp); // .cpp 201 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_MISC_file._fp); // .cpp 202 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_PEEPHOLE_file._fp); // .cpp 203 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_PIPELINE_file._fp); // .cpp 204 AD.addSunCopyright(legal_text, legal_sz, AD._VM_file._fp); // .hpp 205 AD.addSunCopyright(legal_text, legal_sz, AD._DFA_file._fp); // .cpp 206 // Add include guards for all .hpp files 207 AD.addIncludeGuardStart(AD._HPP_file, "GENERATED_ADFILES_AD_HPP"); // .hpp 208 AD.addIncludeGuardStart(AD._VM_file, "GENERATED_ADFILES_ADGLOBALS_HPP"); // .hpp 209 // Add includes 210 AD.addInclude(AD._CPP_file, "precompiled.hpp"); 211 AD.addInclude(AD._CPP_file, "adfiles", get_basename(AD._VM_file._name)); 212 AD.addInclude(AD._CPP_file, "adfiles", get_basename(AD._HPP_file._name)); 213 AD.addInclude(AD._CPP_file, "memory/allocation.inline.hpp"); 214 AD.addInclude(AD._CPP_file, "asm/macroAssembler.inline.hpp"); 215 AD.addInclude(AD._CPP_file, "code/compiledIC.hpp"); 216 AD.addInclude(AD._CPP_file, "code/nativeInst.hpp"); 217 AD.addInclude(AD._CPP_file, "code/vmreg.inline.hpp"); 218 AD.addInclude(AD._CPP_file, "gc_interface/collectedHeap.inline.hpp"); 219 AD.addInclude(AD._CPP_file, "oops/compiledICHolder.hpp"); 220 AD.addInclude(AD._CPP_file, "oops/markOop.hpp"); 221 AD.addInclude(AD._CPP_file, "oops/method.hpp"); 222 AD.addInclude(AD._CPP_file, "oops/oop.inline.hpp"); 223 AD.addInclude(AD._CPP_file, "opto/cfgnode.hpp"); 224 AD.addInclude(AD._CPP_file, "opto/locknode.hpp"); 225 AD.addInclude(AD._CPP_file, "opto/opcodes.hpp"); 226 AD.addInclude(AD._CPP_file, "opto/regalloc.hpp"); 227 AD.addInclude(AD._CPP_file, "opto/regmask.hpp"); 228 AD.addInclude(AD._CPP_file, "opto/runtime.hpp"); 229 AD.addInclude(AD._CPP_file, "runtime/biasedLocking.hpp"); 230 AD.addInclude(AD._CPP_file, "runtime/sharedRuntime.hpp"); 231 AD.addInclude(AD._CPP_file, "runtime/stubRoutines.hpp"); 232 AD.addInclude(AD._CPP_file, "utilities/growableArray.hpp"); 233 AD.addInclude(AD._HPP_file, "memory/allocation.hpp"); 234 AD.addInclude(AD._HPP_file, "code/nativeInst.hpp"); 235 AD.addInclude(AD._HPP_file, "opto/machnode.hpp"); 236 AD.addInclude(AD._HPP_file, "opto/node.hpp"); 237 AD.addInclude(AD._HPP_file, "opto/regalloc.hpp"); 238 AD.addInclude(AD._HPP_file, "opto/subnode.hpp"); 239 AD.addInclude(AD._HPP_file, "opto/vectornode.hpp"); 240 AD.addInclude(AD._CPP_CLONE_file, "precompiled.hpp"); 241 AD.addInclude(AD._CPP_CLONE_file, "adfiles", get_basename(AD._HPP_file._name)); 242 AD.addInclude(AD._CPP_EXPAND_file, "precompiled.hpp"); 243 AD.addInclude(AD._CPP_EXPAND_file, "adfiles", get_basename(AD._HPP_file._name)); 244 AD.addInclude(AD._CPP_FORMAT_file, "precompiled.hpp"); 245 AD.addInclude(AD._CPP_FORMAT_file, "adfiles", get_basename(AD._HPP_file._name)); 246 AD.addInclude(AD._CPP_GEN_file, "precompiled.hpp"); 247 AD.addInclude(AD._CPP_GEN_file, "adfiles", get_basename(AD._HPP_file._name)); 248 AD.addInclude(AD._CPP_GEN_file, "opto/cfgnode.hpp"); 249 AD.addInclude(AD._CPP_GEN_file, "opto/locknode.hpp"); 250 AD.addInclude(AD._CPP_MISC_file, "precompiled.hpp"); 251 AD.addInclude(AD._CPP_MISC_file, "adfiles", get_basename(AD._HPP_file._name)); 252 AD.addInclude(AD._CPP_PEEPHOLE_file, "precompiled.hpp"); 253 AD.addInclude(AD._CPP_PEEPHOLE_file, "adfiles", get_basename(AD._HPP_file._name)); 254 AD.addInclude(AD._CPP_PIPELINE_file, "precompiled.hpp"); 255 AD.addInclude(AD._CPP_PIPELINE_file, "adfiles", get_basename(AD._HPP_file._name)); 256 AD.addInclude(AD._DFA_file, "precompiled.hpp"); 257 AD.addInclude(AD._DFA_file, "adfiles", get_basename(AD._HPP_file._name)); 258 AD.addInclude(AD._DFA_file, "opto/cfgnode.hpp"); // Use PROB_MAX in predicate. 259 AD.addInclude(AD._DFA_file, "opto/matcher.hpp"); 260 AD.addInclude(AD._DFA_file, "opto/opcodes.hpp"); 261 AD.addInclude(AD._DFA_file, "opto/convertnode.hpp"); 262 // Make sure each .cpp file starts with include lines: 263 // files declaring and defining generators for Mach* Objects (hpp,cpp) 264 // Generate the result files: 265 // enumerations, class definitions, object generators, and the DFA 266 // file containing enumeration of machine operands & instructions (hpp) 267 AD.addPreHeaderBlocks(AD._HPP_file._fp); // .hpp 268 AD.buildMachOperEnum(AD._HPP_file._fp); // .hpp 269 AD.buildMachOpcodesEnum(AD._HPP_file._fp); // .hpp 270 AD.buildMachRegisterNumbers(AD._VM_file._fp); // VM file 271 AD.buildMachRegisterEncodes(AD._HPP_file._fp); // .hpp file 272 AD.declareRegSizes(AD._HPP_file._fp); // .hpp 273 AD.build_pipeline_enums(AD._HPP_file._fp); // .hpp 274 // output definition of class "State" 275 AD.defineStateClass(AD._HPP_file._fp); // .hpp 276 // file declaring the Mach* classes derived from MachOper and MachNode 277 AD.declareClasses(AD._HPP_file._fp); 278 // declare and define maps: in the .hpp and .cpp files respectively 279 AD.addSourceBlocks(AD._CPP_file._fp); // .cpp 280 AD.addHeaderBlocks(AD._HPP_file._fp); // .hpp 281 AD.buildReduceMaps(AD._HPP_file._fp, AD._CPP_file._fp); 282 AD.buildMustCloneMap(AD._HPP_file._fp, AD._CPP_file._fp); 283 // build CISC_spilling oracle and MachNode::cisc_spill() methods 284 AD.build_cisc_spill_instructions(AD._HPP_file._fp, AD._CPP_file._fp); 285 // define methods for machine dependent State, MachOper, and MachNode classes 286 AD.defineClasses(AD._CPP_file._fp); 287 AD.buildMachOperGenerator(AD._CPP_GEN_file._fp);// .cpp 288 AD.buildMachNodeGenerator(AD._CPP_GEN_file._fp);// .cpp 289 // define methods for machine dependent instruction matching 290 AD.buildInstructMatchCheck(AD._CPP_file._fp); // .cpp 291 // define methods for machine dependent frame management 292 AD.buildFrameMethods(AD._CPP_file._fp); // .cpp 293 AD.generate_needs_clone_jvms(AD._CPP_file._fp); 294 295 // do this last: 296 AD.addPreprocessorChecks(AD._CPP_file._fp); // .cpp 297 AD.addPreprocessorChecks(AD._CPP_CLONE_file._fp); // .cpp 298 AD.addPreprocessorChecks(AD._CPP_EXPAND_file._fp); // .cpp 299 AD.addPreprocessorChecks(AD._CPP_FORMAT_file._fp); // .cpp 300 AD.addPreprocessorChecks(AD._CPP_GEN_file._fp); // .cpp 301 AD.addPreprocessorChecks(AD._CPP_MISC_file._fp); // .cpp 302 AD.addPreprocessorChecks(AD._CPP_PEEPHOLE_file._fp); // .cpp 303 AD.addPreprocessorChecks(AD._CPP_PIPELINE_file._fp); // .cpp 304 305 // define the finite automata that selects lowest cost production 306 AD.buildDFA(AD._DFA_file._fp); 307 // Add include guards for all .hpp files 308 AD.addIncludeGuardEnd(AD._HPP_file, "GENERATED_ADFILES_AD_HPP"); // .hpp 309 AD.addIncludeGuardEnd(AD._VM_file, "GENERATED_ADFILES_ADGLOBALS_HPP"); // .hpp 310 311 AD.close_files(0); // Close all input/output files 312 313 // Final printout and statistics 314 // cout << program; 315 316 if( AD._dfa_debug & 2 ) { // For higher debug settings, print timing info 317 // Timer t_stop; 318 // Timer t_total = t_stop - t_start; // Total running time 319 // cerr << "\n---Architecture Description Totals---\n"; 320 // cerr << ", Total lines: " << TotalLines; 321 // float l = TotalLines; 322 // cerr << "\nTotal Compilation Time: " << t_total << "\n"; 323 // float ft = (float)t_total; 324 // if( ft > 0.0 ) fprintf(stderr,"Lines/sec: %#5.2f\n", l/ft); 325 } 326 return (AD._syntax_errs + AD._semantic_errs + AD._internal_errs); // Bye Bye!! 327 } 328 329 //------------------------------usage------------------------------------------ 330 static void usage(ArchDesc& AD) 331 { 332 printf("Architecture Description Language Compiler\n\n"); 333 printf("Usage: adlc [-doqwTs] [-#]* [-D<FLAG>[=<DEF>]] [-U<FLAG>] [-c<CPP_FILE_NAME>] [-h<HPP_FILE_NAME>] [-a<DFA_FILE_NAME>] [-v<GLOBALS_FILE_NAME>] <ADL_FILE_NAME>\n"); 334 printf(" d produce DFA debugging info\n"); 335 printf(" o no output produced, syntax and semantic checking only\n"); 336 printf(" q quiet mode, supresses all non-essential messages\n"); 337 printf(" w suppress warning messages\n"); 338 printf(" T make DFA as many subroutine calls\n"); 339 printf(" s output which instructions are cisc-spillable\n"); 340 printf(" D define preprocessor symbol\n"); 341 printf(" U undefine preprocessor symbol\n"); 342 printf(" c specify CPP file name (default: %s)\n", AD._CPP_file._name); 343 printf(" h specify HPP file name (default: %s)\n", AD._HPP_file._name); 344 printf(" a specify DFA output file name\n"); 345 printf(" v specify adGlobals output file name\n"); 346 printf(" # increment ADL debug level\n"); 347 printf("\n"); 348 } 349 350 //------------------------------open_file------------------------------------ 351 int ArchDesc::open_file(bool required, ADLFILE & ADF, const char *action) 352 { 353 if (required && 354 (ADF._fp = fopen(ADF._name, action)) == NULL) { 355 printf("ERROR: Cannot open file for %s: %s\n", action, ADF._name); 356 close_files(1); 357 return 0; 358 } 359 return 1; 360 } 361 362 //------------------------------open_files------------------------------------- 363 int ArchDesc::open_files(void) 364 { 365 if (_ADL_file._name == NULL) 366 { printf("ERROR: No ADL input file specified\n"); return 0; } 367 368 if (!open_file(true , _ADL_file, "r")) { return 0; } 369 if (!open_file(!_no_output, _DFA_file, "w")) { return 0; } 370 if (!open_file(!_no_output, _HPP_file, "w")) { return 0; } 371 if (!open_file(!_no_output, _CPP_file, "w")) { return 0; } 372 if (!open_file(!_no_output, _CPP_CLONE_file, "w")) { return 0; } 373 if (!open_file(!_no_output, _CPP_EXPAND_file, "w")) { return 0; } 374 if (!open_file(!_no_output, _CPP_FORMAT_file, "w")) { return 0; } 375 if (!open_file(!_no_output, _CPP_GEN_file, "w")) { return 0; } 376 if (!open_file(!_no_output, _CPP_MISC_file, "w")) { return 0; } 377 if (!open_file(!_no_output, _CPP_PEEPHOLE_file, "w")) { return 0; } 378 if (!open_file(!_no_output, _CPP_PIPELINE_file, "w")) { return 0; } 379 if (!open_file(!_no_output, _VM_file , "w")) { return 0; } 380 if (!open_file(_dfa_debug != 0, _bug_file, "w")) { return 0; } 381 382 return 1; 383 } 384 385 //------------------------------close_file------------------------------------ 386 void ArchDesc::close_file(int delete_out, ADLFILE& ADF) 387 { 388 if (ADF._fp) { 389 fclose(ADF._fp); 390 if (delete_out) remove(ADF._name); 391 } 392 } 393 394 //------------------------------close_files------------------------------------ 395 void ArchDesc::close_files(int delete_out) 396 { 397 if (_ADL_file._fp) fclose(_ADL_file._fp); 398 399 close_file(delete_out, _CPP_file); 400 close_file(delete_out, _CPP_CLONE_file); 401 close_file(delete_out, _CPP_EXPAND_file); 402 close_file(delete_out, _CPP_FORMAT_file); 403 close_file(delete_out, _CPP_GEN_file); 404 close_file(delete_out, _CPP_MISC_file); 405 close_file(delete_out, _CPP_PEEPHOLE_file); 406 close_file(delete_out, _CPP_PIPELINE_file); 407 close_file(delete_out, _HPP_file); 408 close_file(delete_out, _DFA_file); 409 close_file(delete_out, _bug_file); 410 411 if (!_quiet_mode) { 412 printf("\n"); 413 if (_no_output || delete_out) { 414 if (_ADL_file._name) printf("%s: ", _ADL_file._name); 415 printf("No output produced"); 416 } 417 else { 418 if (_ADL_file._name) printf("%s --> ", _ADL_file._name); 419 printf("%s, %s, %s, %s, %s, %s, %s, %s, %s, %s", 420 _CPP_file._name, 421 _CPP_CLONE_file._name, 422 _CPP_EXPAND_file._name, 423 _CPP_FORMAT_file._name, 424 _CPP_GEN_file._name, 425 _CPP_MISC_file._name, 426 _CPP_PEEPHOLE_file._name, 427 _CPP_PIPELINE_file._name, 428 _HPP_file._name, 429 _DFA_file._name); 430 } 431 printf("\n"); 432 } 433 } 434 435 //------------------------------strip_ext-------------------------------------- 436 static char *strip_ext(char *fname) 437 { 438 char *ep; 439 440 if (fname) { 441 ep = fname + strlen(fname) - 1; // start at last character and look for '.' 442 while (ep >= fname && *ep != '.') --ep; 443 if (*ep == '.') *ep = '\0'; // truncate string at '.' 444 } 445 return fname; 446 } 447 448 //------------------------------base_plus_suffix------------------------------- 449 // New concatenated string 450 static char *base_plus_suffix(const char* base, const char *suffix) 451 { 452 int len = (int)strlen(base) + (int)strlen(suffix) + 1; 453 454 char* fname = new char[len]; 455 sprintf(fname,"%s%s",base,suffix); 456 return fname; 457 } 458 459 //------------------------------get_legal_text--------------------------------- 460 // Get pointer to legal text at the beginning of AD file. 461 // This code assumes that a legal text starts at the beginning of .ad files, 462 // is commented by "//" at each line and ends with empty line. 463 // 464 int get_legal_text(FileBuff &fbuf, char **legal_text) 465 { 466 char* legal_start = fbuf.get_line(); 467 assert(legal_start[0] == '/' && legal_start[1] == '/', "Incorrect header of AD file"); 468 char* legal_end = fbuf.get_line(); 469 assert(strncmp(legal_end, "// Copyright", 12) == 0, "Incorrect header of AD file"); 470 while(legal_end[0] == '/' && legal_end[1] == '/') { 471 legal_end = fbuf.get_line(); 472 } 473 *legal_text = legal_start; 474 return (int) (legal_end - legal_start); 475 } 476 477 // VS2005 has its own definition, identical to this one. 478 #if !defined(_WIN32) || defined(_WIN64) || _MSC_VER < 1400 479 void *operator new( size_t size, int, const char *, int ) throw() { 480 return ::operator new( size ); 481 } 482 #endif