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/shared/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/intrinsicnode.hpp");
 225   AD.addInclude(AD._CPP_file, "opto/locknode.hpp");
 226   AD.addInclude(AD._CPP_file, "opto/opcodes.hpp");
 227   AD.addInclude(AD._CPP_file, "opto/regalloc.hpp");
 228   AD.addInclude(AD._CPP_file, "opto/regmask.hpp");
 229   AD.addInclude(AD._CPP_file, "opto/runtime.hpp");
 230   AD.addInclude(AD._CPP_file, "runtime/biasedLocking.hpp");
 231   AD.addInclude(AD._CPP_file, "runtime/sharedRuntime.hpp");
 232   AD.addInclude(AD._CPP_file, "runtime/stubRoutines.hpp");
 233   AD.addInclude(AD._CPP_file, "utilities/growableArray.hpp");
 234   AD.addInclude(AD._HPP_file, "memory/allocation.hpp");
 235   AD.addInclude(AD._HPP_file, "code/nativeInst.hpp");
 236   AD.addInclude(AD._HPP_file, "opto/machnode.hpp");
 237   AD.addInclude(AD._HPP_file, "opto/node.hpp");
 238   AD.addInclude(AD._HPP_file, "opto/regalloc.hpp");
 239   AD.addInclude(AD._HPP_file, "opto/subnode.hpp");
 240   AD.addInclude(AD._HPP_file, "opto/vectornode.hpp");
 241   AD.addInclude(AD._CPP_CLONE_file, "precompiled.hpp");
 242   AD.addInclude(AD._CPP_CLONE_file, "adfiles", get_basename(AD._HPP_file._name));
 243   AD.addInclude(AD._CPP_EXPAND_file, "precompiled.hpp");
 244   AD.addInclude(AD._CPP_EXPAND_file, "adfiles", get_basename(AD._HPP_file._name));
 245   AD.addInclude(AD._CPP_FORMAT_file, "precompiled.hpp");
 246   AD.addInclude(AD._CPP_FORMAT_file, "adfiles", get_basename(AD._HPP_file._name));
 247   AD.addInclude(AD._CPP_GEN_file, "precompiled.hpp");
 248   AD.addInclude(AD._CPP_GEN_file, "adfiles", get_basename(AD._HPP_file._name));
 249   AD.addInclude(AD._CPP_GEN_file, "opto/cfgnode.hpp");
 250   AD.addInclude(AD._CPP_GEN_file, "opto/locknode.hpp");
 251   AD.addInclude(AD._CPP_MISC_file, "precompiled.hpp");
 252   AD.addInclude(AD._CPP_MISC_file, "adfiles", get_basename(AD._HPP_file._name));
 253   AD.addInclude(AD._CPP_PEEPHOLE_file, "precompiled.hpp");
 254   AD.addInclude(AD._CPP_PEEPHOLE_file, "adfiles", get_basename(AD._HPP_file._name));
 255   AD.addInclude(AD._CPP_PIPELINE_file, "precompiled.hpp");
 256   AD.addInclude(AD._CPP_PIPELINE_file, "adfiles", get_basename(AD._HPP_file._name));
 257   AD.addInclude(AD._DFA_file, "precompiled.hpp");
 258   AD.addInclude(AD._DFA_file, "adfiles", get_basename(AD._HPP_file._name));
 259   AD.addInclude(AD._DFA_file, "opto/cfgnode.hpp");  // Use PROB_MAX in predicate.
 260   AD.addInclude(AD._DFA_file, "opto/intrinsicnode.hpp");
 261   AD.addInclude(AD._DFA_file, "opto/matcher.hpp");
 262   AD.addInclude(AD._DFA_file, "opto/narrowptrnode.hpp");
 263   AD.addInclude(AD._DFA_file, "opto/opcodes.hpp");
 264   AD.addInclude(AD._DFA_file, "opto/convertnode.hpp");
 265   // Make sure each .cpp file starts with include lines:
 266   // files declaring and defining generators for Mach* Objects (hpp,cpp)
 267   // Generate the result files:
 268   // enumerations, class definitions, object generators, and the DFA
 269   // file containing enumeration of machine operands & instructions (hpp)
 270   AD.addPreHeaderBlocks(AD._HPP_file._fp);        // .hpp
 271   AD.buildMachOperEnum(AD._HPP_file._fp);         // .hpp
 272   AD.buildMachOpcodesEnum(AD._HPP_file._fp);      // .hpp
 273   AD.buildMachRegisterNumbers(AD._VM_file._fp);   // VM file
 274   AD.buildMachRegisterEncodes(AD._HPP_file._fp);  // .hpp file
 275   AD.declareRegSizes(AD._HPP_file._fp);           // .hpp
 276   AD.build_pipeline_enums(AD._HPP_file._fp);      // .hpp
 277   // output definition of class "State"
 278   AD.defineStateClass(AD._HPP_file._fp);          // .hpp
 279   // file declaring the Mach* classes derived from MachOper and MachNode
 280   AD.declareClasses(AD._HPP_file._fp);
 281   // declare and define maps: in the .hpp and .cpp files respectively
 282   AD.addSourceBlocks(AD._CPP_file._fp);           // .cpp
 283   AD.addHeaderBlocks(AD._HPP_file._fp);           // .hpp
 284   AD.buildReduceMaps(AD._HPP_file._fp, AD._CPP_file._fp);
 285   AD.buildMustCloneMap(AD._HPP_file._fp, AD._CPP_file._fp);
 286   // build CISC_spilling oracle and MachNode::cisc_spill() methods
 287   AD.build_cisc_spill_instructions(AD._HPP_file._fp, AD._CPP_file._fp);
 288   // define methods for machine dependent State, MachOper, and MachNode classes
 289   AD.defineClasses(AD._CPP_file._fp);
 290   AD.buildMachOperGenerator(AD._CPP_GEN_file._fp);// .cpp
 291   AD.buildMachNodeGenerator(AD._CPP_GEN_file._fp);// .cpp
 292   // define methods for machine dependent instruction matching
 293   AD.buildInstructMatchCheck(AD._CPP_file._fp);  // .cpp
 294   // define methods for machine dependent frame management
 295   AD.buildFrameMethods(AD._CPP_file._fp);         // .cpp
 296   AD.generate_needs_clone_jvms(AD._CPP_file._fp);
 297 
 298   // do this last:
 299   AD.addPreprocessorChecks(AD._CPP_file._fp);     // .cpp
 300   AD.addPreprocessorChecks(AD._CPP_CLONE_file._fp);     // .cpp
 301   AD.addPreprocessorChecks(AD._CPP_EXPAND_file._fp);    // .cpp
 302   AD.addPreprocessorChecks(AD._CPP_FORMAT_file._fp);    // .cpp
 303   AD.addPreprocessorChecks(AD._CPP_GEN_file._fp);       // .cpp
 304   AD.addPreprocessorChecks(AD._CPP_MISC_file._fp);      // .cpp
 305   AD.addPreprocessorChecks(AD._CPP_PEEPHOLE_file._fp);  // .cpp
 306   AD.addPreprocessorChecks(AD._CPP_PIPELINE_file._fp);  // .cpp
 307 
 308   // define the finite automata that selects lowest cost production
 309   AD.buildDFA(AD._DFA_file._fp);
 310   // Add include guards for all .hpp files
 311   AD.addIncludeGuardEnd(AD._HPP_file, "GENERATED_ADFILES_AD_HPP");        // .hpp
 312   AD.addIncludeGuardEnd(AD._VM_file, "GENERATED_ADFILES_ADGLOBALS_HPP");  // .hpp
 313 
 314   AD.close_files(0);               // Close all input/output files
 315 
 316   // Final printout and statistics
 317   // cout << program;
 318 
 319   if( AD._dfa_debug & 2 ) {    // For higher debug settings, print timing info
 320     //    Timer t_stop;
 321     //    Timer t_total = t_stop - t_start; // Total running time
 322     //    cerr << "\n---Architecture Description Totals---\n";
 323     //    cerr << ", Total lines: " << TotalLines;
 324     //    float l = TotalLines;
 325     //    cerr << "\nTotal Compilation Time: " << t_total << "\n";
 326     //    float ft = (float)t_total;
 327     //    if( ft > 0.0 ) fprintf(stderr,"Lines/sec: %#5.2f\n", l/ft);
 328   }
 329   return (AD._syntax_errs + AD._semantic_errs + AD._internal_errs); // Bye Bye!!
 330 }
 331 
 332 //------------------------------usage------------------------------------------
 333 static void usage(ArchDesc& AD)
 334 {
 335   printf("Architecture Description Language Compiler\n\n");
 336   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");
 337   printf(" d  produce DFA debugging info\n");
 338   printf(" o  no output produced, syntax and semantic checking only\n");
 339   printf(" q  quiet mode, supresses all non-essential messages\n");
 340   printf(" w  suppress warning messages\n");
 341   printf(" T  make DFA as many subroutine calls\n");
 342   printf(" s  output which instructions are cisc-spillable\n");
 343   printf(" D  define preprocessor symbol\n");
 344   printf(" U  undefine preprocessor symbol\n");
 345   printf(" c  specify CPP file name (default: %s)\n", AD._CPP_file._name);
 346   printf(" h  specify HPP file name (default: %s)\n", AD._HPP_file._name);
 347   printf(" a  specify DFA output file name\n");
 348   printf(" v  specify adGlobals output file name\n");
 349   printf(" #  increment ADL debug level\n");
 350   printf("\n");
 351 }
 352 
 353 //------------------------------open_file------------------------------------
 354 int ArchDesc::open_file(bool required, ADLFILE & ADF, const char *action)
 355 {
 356   if (required &&
 357       (ADF._fp = fopen(ADF._name, action)) == NULL) {
 358     printf("ERROR: Cannot open file for %s: %s\n", action, ADF._name);
 359     close_files(1);
 360     return 0;
 361   }
 362   return 1;
 363 }
 364 
 365 //------------------------------open_files-------------------------------------
 366 int ArchDesc::open_files(void)
 367 {
 368   if (_ADL_file._name == NULL)
 369   { printf("ERROR: No ADL input file specified\n"); return 0; }
 370 
 371   if (!open_file(true       , _ADL_file, "r"))          { return 0; }
 372   if (!open_file(!_no_output, _DFA_file, "w"))          { return 0; }
 373   if (!open_file(!_no_output, _HPP_file, "w"))          { return 0; }
 374   if (!open_file(!_no_output, _CPP_file, "w"))          { return 0; }
 375   if (!open_file(!_no_output, _CPP_CLONE_file, "w"))    { return 0; }
 376   if (!open_file(!_no_output, _CPP_EXPAND_file, "w"))   { return 0; }
 377   if (!open_file(!_no_output, _CPP_FORMAT_file, "w"))   { return 0; }
 378   if (!open_file(!_no_output, _CPP_GEN_file, "w"))      { return 0; }
 379   if (!open_file(!_no_output, _CPP_MISC_file, "w"))     { return 0; }
 380   if (!open_file(!_no_output, _CPP_PEEPHOLE_file, "w")) { return 0; }
 381   if (!open_file(!_no_output, _CPP_PIPELINE_file, "w")) { return 0; }
 382   if (!open_file(!_no_output, _VM_file , "w"))          { return 0; }
 383   if (!open_file(_dfa_debug != 0, _bug_file, "w"))    { return 0; }
 384 
 385   return 1;
 386 }
 387 
 388 //------------------------------close_file------------------------------------
 389 void ArchDesc::close_file(int delete_out, ADLFILE& ADF)
 390 {
 391   if (ADF._fp) {
 392     fclose(ADF._fp);
 393     if (delete_out) remove(ADF._name);
 394   }
 395 }
 396 
 397 //------------------------------close_files------------------------------------
 398 void ArchDesc::close_files(int delete_out)
 399 {
 400   if (_ADL_file._fp) fclose(_ADL_file._fp);
 401 
 402   close_file(delete_out, _CPP_file);
 403   close_file(delete_out, _CPP_CLONE_file);
 404   close_file(delete_out, _CPP_EXPAND_file);
 405   close_file(delete_out, _CPP_FORMAT_file);
 406   close_file(delete_out, _CPP_GEN_file);
 407   close_file(delete_out, _CPP_MISC_file);
 408   close_file(delete_out, _CPP_PEEPHOLE_file);
 409   close_file(delete_out, _CPP_PIPELINE_file);
 410   close_file(delete_out, _HPP_file);
 411   close_file(delete_out, _DFA_file);
 412   close_file(delete_out, _bug_file);
 413 
 414   if (!_quiet_mode) {
 415     printf("\n");
 416     if (_no_output || delete_out) {
 417       if (_ADL_file._name) printf("%s: ", _ADL_file._name);
 418       printf("No output produced");
 419     }
 420     else {
 421       if (_ADL_file._name) printf("%s --> ", _ADL_file._name);
 422       printf("%s, %s, %s, %s, %s, %s, %s, %s, %s, %s",
 423              _CPP_file._name,
 424              _CPP_CLONE_file._name,
 425              _CPP_EXPAND_file._name,
 426              _CPP_FORMAT_file._name,
 427              _CPP_GEN_file._name,
 428              _CPP_MISC_file._name,
 429              _CPP_PEEPHOLE_file._name,
 430              _CPP_PIPELINE_file._name,
 431              _HPP_file._name,
 432              _DFA_file._name);
 433     }
 434     printf("\n");
 435   }
 436 }
 437 
 438 //------------------------------strip_ext--------------------------------------
 439 static char *strip_ext(char *fname)
 440 {
 441   char *ep;
 442 
 443   if (fname) {
 444     ep = fname + strlen(fname) - 1; // start at last character and look for '.'
 445     while (ep >= fname && *ep != '.') --ep;
 446     if (*ep == '.')     *ep = '\0'; // truncate string at '.'
 447   }
 448   return fname;
 449 }
 450 
 451 //------------------------------base_plus_suffix-------------------------------
 452 // New concatenated string
 453 static char *base_plus_suffix(const char* base, const char *suffix)
 454 {
 455   int len = (int)strlen(base) + (int)strlen(suffix) + 1;
 456 
 457   char* fname = new char[len];
 458   sprintf(fname,"%s%s",base,suffix);
 459   return fname;
 460 }
 461 
 462 //------------------------------get_legal_text---------------------------------
 463 // Get pointer to legal text at the beginning of AD file.
 464 // This code assumes that a legal text starts at the beginning of .ad files,
 465 // is commented by "//" at each line and ends with empty line.
 466 //
 467 int get_legal_text(FileBuff &fbuf, char **legal_text)
 468 {
 469   char* legal_start = fbuf.get_line();
 470   assert(legal_start[0] == '/' && legal_start[1] == '/', "Incorrect header of AD file");
 471   char* legal_end = fbuf.get_line();
 472   assert(strncmp(legal_end, "// Copyright", 12) == 0, "Incorrect header of AD file");
 473   while(legal_end[0] == '/' && legal_end[1] == '/') {
 474     legal_end = fbuf.get_line();
 475   }
 476   *legal_text = legal_start;
 477   return (int) (legal_end - legal_start);
 478 }
 479 
 480 // VS2005 has its own definition, identical to this one.
 481 #if !defined(_WIN32) || defined(_WIN64) || _MSC_VER < 1400
 482 void *operator new( size_t size, int, const char *, int ) throw() {
 483   return ::operator new( size );
 484 }
 485 #endif