1 /*
2 * Copyright (c) 1997, 2024, 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 = nullptr; // 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 == '/' || *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 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 == nullptr) 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, nullptr);
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 // Check defined operands are used
190 AD.check_usage();
191
192 // Prepare to generate the result files:
193 AD.generateMatchLists();
194 AD.identify_unique_operands();
195 AD.identify_cisc_spill_instructions();
196 AD.identify_short_branches();
197 // Make sure every file starts with a copyright:
198 AD.addSunCopyright(legal_text, legal_sz, AD._HPP_file._fp); // .hpp
199 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_file._fp); // .cpp
200 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_CLONE_file._fp); // .cpp
201 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_EXPAND_file._fp); // .cpp
202 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_FORMAT_file._fp); // .cpp
203 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_GEN_file._fp); // .cpp
204 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_MISC_file._fp); // .cpp
205 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_PEEPHOLE_file._fp); // .cpp
206 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_PIPELINE_file._fp); // .cpp
207 AD.addSunCopyright(legal_text, legal_sz, AD._VM_file._fp); // .hpp
208 AD.addSunCopyright(legal_text, legal_sz, AD._DFA_file._fp); // .cpp
209 // Add include guards for all .hpp files
210 AD.addIncludeGuardStart(AD._HPP_file, "GENERATED_ADFILES_AD_HPP"); // .hpp
211 AD.addIncludeGuardStart(AD._VM_file, "GENERATED_ADFILES_ADGLOBALS_HPP"); // .hpp
212 // Add includes
213 AD.addInclude(AD._CPP_file, "precompiled.hpp");
214 AD.addInclude(AD._CPP_file, "adfiles", get_basename(AD._VM_file._name));
215 AD.addInclude(AD._CPP_file, "adfiles", get_basename(AD._HPP_file._name));
216 AD.addInclude(AD._CPP_file, "memory/allocation.inline.hpp");
217 AD.addInclude(AD._CPP_file, "code/codeCache.hpp");
218 AD.addInclude(AD._CPP_file, "code/compiledIC.hpp");
219 AD.addInclude(AD._CPP_file, "code/nativeInst.hpp");
220 AD.addInclude(AD._CPP_file, "code/vmreg.inline.hpp");
221 AD.addInclude(AD._CPP_file, "gc/shared/collectedHeap.inline.hpp");
222 AD.addInclude(AD._CPP_file, "oops/compressedOops.hpp");
223 AD.addInclude(AD._CPP_file, "oops/markWord.hpp");
224 AD.addInclude(AD._CPP_file, "oops/method.hpp");
225 AD.addInclude(AD._CPP_file, "oops/oop.inline.hpp");
226 AD.addInclude(AD._CPP_file, "opto/c2_MacroAssembler.hpp");
227 AD.addInclude(AD._CPP_file, "opto/cfgnode.hpp");
228 AD.addInclude(AD._CPP_file, "opto/intrinsicnode.hpp");
229 AD.addInclude(AD._CPP_file, "opto/locknode.hpp");
230 AD.addInclude(AD._CPP_file, "opto/opcodes.hpp");
231 AD.addInclude(AD._CPP_file, "opto/regalloc.hpp");
232 AD.addInclude(AD._CPP_file, "opto/regmask.hpp");
233 AD.addInclude(AD._CPP_file, "opto/runtime.hpp");
234 AD.addInclude(AD._CPP_file, "runtime/safepointMechanism.hpp");
235 AD.addInclude(AD._CPP_file, "runtime/sharedRuntime.hpp");
236 AD.addInclude(AD._CPP_file, "runtime/stubRoutines.hpp");
237 AD.addInclude(AD._CPP_file, "utilities/growableArray.hpp");
238 AD.addInclude(AD._CPP_file, "utilities/powerOfTwo.hpp");
239 AD.addInclude(AD._HPP_file, "memory/allocation.hpp");
240 AD.addInclude(AD._HPP_file, "oops/compressedOops.hpp");
241 AD.addInclude(AD._HPP_file, "code/nativeInst.hpp");
242 AD.addInclude(AD._HPP_file, "opto/output.hpp");
243 AD.addInclude(AD._HPP_file, "opto/machnode.hpp");
244 AD.addInclude(AD._HPP_file, "opto/node.hpp");
245 AD.addInclude(AD._HPP_file, "opto/regalloc.hpp");
246 AD.addInclude(AD._HPP_file, "opto/subnode.hpp");
247 AD.addInclude(AD._HPP_file, "opto/vectornode.hpp");
248 AD.addInclude(AD._CPP_CLONE_file, "precompiled.hpp");
249 AD.addInclude(AD._CPP_CLONE_file, "adfiles", get_basename(AD._HPP_file._name));
250 AD.addInclude(AD._CPP_EXPAND_file, "precompiled.hpp");
251 AD.addInclude(AD._CPP_EXPAND_file, "adfiles", get_basename(AD._HPP_file._name));
252 AD.addInclude(AD._CPP_EXPAND_file, "oops/compressedOops.hpp");
253 AD.addInclude(AD._CPP_FORMAT_file, "precompiled.hpp");
254 AD.addInclude(AD._CPP_FORMAT_file, "adfiles", get_basename(AD._HPP_file._name));
255 AD.addInclude(AD._CPP_FORMAT_file, "compiler/oopMap.hpp");
256 AD.addInclude(AD._CPP_GEN_file, "precompiled.hpp");
257 AD.addInclude(AD._CPP_GEN_file, "adfiles", get_basename(AD._HPP_file._name));
258 AD.addInclude(AD._CPP_GEN_file, "opto/cfgnode.hpp");
259 AD.addInclude(AD._CPP_GEN_file, "opto/locknode.hpp");
260 AD.addInclude(AD._CPP_GEN_file, "opto/rootnode.hpp");
261 AD.addInclude(AD._CPP_MISC_file, "precompiled.hpp");
262 AD.addInclude(AD._CPP_MISC_file, "adfiles", get_basename(AD._HPP_file._name));
263 AD.addInclude(AD._CPP_PEEPHOLE_file, "precompiled.hpp");
264 AD.addInclude(AD._CPP_PEEPHOLE_file, "adfiles", get_basename(AD._HPP_file._name));
265 AD.addInclude(AD._CPP_PIPELINE_file, "precompiled.hpp");
266 AD.addInclude(AD._CPP_PIPELINE_file, "adfiles", get_basename(AD._HPP_file._name));
267 AD.addInclude(AD._DFA_file, "precompiled.hpp");
268 AD.addInclude(AD._DFA_file, "adfiles", get_basename(AD._HPP_file._name));
269 AD.addInclude(AD._DFA_file, "oops/compressedOops.hpp");
270 AD.addInclude(AD._DFA_file, "opto/cfgnode.hpp"); // Use PROB_MAX in predicate.
271 AD.addInclude(AD._DFA_file, "opto/intrinsicnode.hpp");
272 AD.addInclude(AD._DFA_file, "opto/matcher.hpp");
273 AD.addInclude(AD._DFA_file, "opto/narrowptrnode.hpp");
274 AD.addInclude(AD._DFA_file, "opto/opcodes.hpp");
275 AD.addInclude(AD._DFA_file, "opto/convertnode.hpp");
276 AD.addInclude(AD._DFA_file, "opto/superword.hpp");
277 AD.addInclude(AD._DFA_file, "utilities/powerOfTwo.hpp");
278
279 // Make sure each .cpp file starts with include lines:
280 // files declaring and defining generators for Mach* Objects (hpp,cpp)
281 // Generate the result files:
282 // enumerations, class definitions, object generators, and the DFA
283 // file containing enumeration of machine operands & instructions (hpp)
284 AD.addPreHeaderBlocks(AD._HPP_file._fp); // .hpp
285 AD.buildMachOperEnum(AD._HPP_file._fp); // .hpp
286 AD.buildMachOpcodesEnum(AD._HPP_file._fp); // .hpp
287 AD.buildMachRegisterNumbers(AD._VM_file._fp); // VM file
288 AD.buildMachRegisterEncodes(AD._HPP_file._fp); // .hpp file
289 AD.declareRegSizes(AD._HPP_file._fp); // .hpp
290 AD.build_pipeline_enums(AD._HPP_file._fp); // .hpp
291 // output definition of class "State"
292 AD.defineStateClass(AD._HPP_file._fp); // .hpp
293 // file declaring the Mach* classes derived from MachOper and MachNode
294 AD.declareClasses(AD._HPP_file._fp);
295 // declare and define maps: in the .hpp and .cpp files respectively
296 AD.addSourceBlocks(AD._CPP_file._fp); // .cpp
297 AD.addHeaderBlocks(AD._HPP_file._fp); // .hpp
298 AD.buildReduceMaps(AD._HPP_file._fp, AD._CPP_file._fp);
299 AD.buildMustCloneMap(AD._HPP_file._fp, AD._CPP_file._fp);
300 // build CISC_spilling oracle and MachNode::cisc_spill() methods
301 AD.build_cisc_spill_instructions(AD._HPP_file._fp, AD._CPP_file._fp);
302 // define methods for machine dependent State, MachOper, and MachNode classes
303 AD.defineClasses(AD._CPP_file._fp);
304 AD.buildMachOperGenerator(AD._CPP_GEN_file._fp);// .cpp
305 AD.buildMachNodeGenerator(AD._CPP_GEN_file._fp);// .cpp
306 // define methods for machine dependent instruction matching
307 AD.buildInstructMatchCheck(AD._CPP_file._fp); // .cpp
308 // define methods for machine dependent frame management
309 AD.buildFrameMethods(AD._CPP_file._fp); // .cpp
310 AD.generate_needs_deep_clone_jvms(AD._CPP_file._fp);
311
312 // do this last:
313 AD.addPreprocessorChecks(AD._CPP_file._fp); // .cpp
314 AD.addPreprocessorChecks(AD._CPP_CLONE_file._fp); // .cpp
315 AD.addPreprocessorChecks(AD._CPP_EXPAND_file._fp); // .cpp
316 AD.addPreprocessorChecks(AD._CPP_FORMAT_file._fp); // .cpp
317 AD.addPreprocessorChecks(AD._CPP_GEN_file._fp); // .cpp
318 AD.addPreprocessorChecks(AD._CPP_MISC_file._fp); // .cpp
319 AD.addPreprocessorChecks(AD._CPP_PEEPHOLE_file._fp); // .cpp
320 AD.addPreprocessorChecks(AD._CPP_PIPELINE_file._fp); // .cpp
321
322 // define the finite automata that selects lowest cost production
323 AD.buildDFA(AD._DFA_file._fp);
324 // Add include guards for all .hpp files
325 AD.addIncludeGuardEnd(AD._HPP_file, "GENERATED_ADFILES_AD_HPP"); // .hpp
326 AD.addIncludeGuardEnd(AD._VM_file, "GENERATED_ADFILES_ADGLOBALS_HPP"); // .hpp
327
328 AD.close_files(0); // Close all input/output files
329
330 // Final printout and statistics
331 // cout << program;
332
333 if( AD._dfa_debug & 2 ) { // For higher debug settings, print timing info
334 // Timer t_stop;
335 // Timer t_total = t_stop - t_start; // Total running time
336 // cerr << "\n---Architecture Description Totals---\n";
337 // cerr << ", Total lines: " << TotalLines;
338 // float l = TotalLines;
339 // cerr << "\nTotal Compilation Time: " << t_total << "\n";
340 // float ft = (float)t_total;
341 // if( ft > 0.0 ) fprintf(stderr,"Lines/sec: %#5.2f\n", l/ft);
342 }
343 return (AD._syntax_errs + AD._semantic_errs + AD._internal_errs); // Bye Bye!!
344 }
345
346 //------------------------------usage------------------------------------------
347 static void usage(ArchDesc& AD)
348 {
349 printf("Architecture Description Language Compiler\n\n");
350 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");
351 printf(" d produce DFA debugging info\n");
352 printf(" o no output produced, syntax and semantic checking only\n");
353 printf(" q quiet mode, suppresses all non-essential messages\n");
354 printf(" w suppress warning messages\n");
355 printf(" T make DFA as many subroutine calls\n");
356 printf(" s output which instructions are cisc-spillable\n");
357 printf(" D define preprocessor symbol\n");
358 printf(" U undefine preprocessor symbol\n");
359 printf(" c specify CPP file name (default: %s)\n", AD._CPP_file._name);
360 printf(" h specify HPP file name (default: %s)\n", AD._HPP_file._name);
361 printf(" a specify DFA output file name\n");
362 printf(" v specify adGlobals output file name\n");
363 printf(" # increment ADL debug level\n");
364 printf("\n");
365 }
366
367 //------------------------------open_file------------------------------------
368 int ArchDesc::open_file(bool required, ADLFILE & ADF, const char *action)
369 {
370 if (required &&
371 (ADF._fp = fopen(ADF._name, action)) == nullptr) {
372 printf("ERROR: Cannot open file for %s: %s\n", action, ADF._name);
373 close_files(1);
374 return 0;
375 }
376 return 1;
377 }
378
379 //------------------------------open_files-------------------------------------
380 int ArchDesc::open_files(void)
381 {
382 if (_ADL_file._name == nullptr)
383 { printf("ERROR: No ADL input file specified\n"); return 0; }
384
385 if (!open_file(true , _ADL_file, "r")) { return 0; }
386 if (!open_file(!_no_output, _DFA_file, "w")) { return 0; }
387 if (!open_file(!_no_output, _HPP_file, "w")) { return 0; }
388 if (!open_file(!_no_output, _CPP_file, "w")) { return 0; }
389 if (!open_file(!_no_output, _CPP_CLONE_file, "w")) { return 0; }
390 if (!open_file(!_no_output, _CPP_EXPAND_file, "w")) { return 0; }
391 if (!open_file(!_no_output, _CPP_FORMAT_file, "w")) { return 0; }
392 if (!open_file(!_no_output, _CPP_GEN_file, "w")) { return 0; }
393 if (!open_file(!_no_output, _CPP_MISC_file, "w")) { return 0; }
394 if (!open_file(!_no_output, _CPP_PEEPHOLE_file, "w")) { return 0; }
395 if (!open_file(!_no_output, _CPP_PIPELINE_file, "w")) { return 0; }
396 if (!open_file(!_no_output, _VM_file , "w")) { return 0; }
397 if (!open_file(_dfa_debug != 0, _bug_file, "w")) { return 0; }
398
399 return 1;
400 }
401
402 //------------------------------close_file------------------------------------
403 void ArchDesc::close_file(int delete_out, ADLFILE& ADF)
404 {
405 if (ADF._fp) {
406 fclose(ADF._fp);
407 if (delete_out) remove(ADF._name);
408 }
409 }
410
411 //------------------------------close_files------------------------------------
412 void ArchDesc::close_files(int delete_out)
413 {
414 if (_ADL_file._fp) fclose(_ADL_file._fp);
415
416 close_file(delete_out, _CPP_file);
417 close_file(delete_out, _CPP_CLONE_file);
418 close_file(delete_out, _CPP_EXPAND_file);
419 close_file(delete_out, _CPP_FORMAT_file);
420 close_file(delete_out, _CPP_GEN_file);
421 close_file(delete_out, _CPP_MISC_file);
422 close_file(delete_out, _CPP_PEEPHOLE_file);
423 close_file(delete_out, _CPP_PIPELINE_file);
424 close_file(delete_out, _HPP_file);
425 close_file(delete_out, _DFA_file);
426 close_file(delete_out, _bug_file);
427
428 if (!_quiet_mode) {
429 printf("\n");
430 if (_no_output || delete_out) {
431 if (_ADL_file._name) printf("%s: ", _ADL_file._name);
432 printf("No output produced");
433 }
434 else {
435 if (_ADL_file._name) printf("%s --> ", _ADL_file._name);
436 printf("%s, %s, %s, %s, %s, %s, %s, %s, %s, %s",
437 _CPP_file._name,
438 _CPP_CLONE_file._name,
439 _CPP_EXPAND_file._name,
440 _CPP_FORMAT_file._name,
441 _CPP_GEN_file._name,
442 _CPP_MISC_file._name,
443 _CPP_PEEPHOLE_file._name,
444 _CPP_PIPELINE_file._name,
445 _HPP_file._name,
446 _DFA_file._name);
447 }
448 printf("\n");
449 }
450 }
451
452 //------------------------------strip_ext--------------------------------------
453 static char *strip_ext(char *fname)
454 {
455 char *ep;
456
457 if (fname) {
458 ep = fname + strlen(fname) - 1; // start at last character and look for '.'
459 while (ep >= fname && *ep != '.') --ep;
460 if (*ep == '.') *ep = '\0'; // truncate string at '.'
461 }
462 return fname;
463 }
464
465 //------------------------------base_plus_suffix-------------------------------
466 // New concatenated string
467 static char *base_plus_suffix(const char* base, const char *suffix)
468 {
469 int len = (int)strlen(base) + (int)strlen(suffix) + 1;
470
471 char* fname = new char[len];
472 snprintf_checked(fname,len,"%s%s",base,suffix);
473 return fname;
474 }
475
476 //------------------------------get_legal_text---------------------------------
477 // Get pointer to legal text at the beginning of AD file.
478 // This code assumes that a legal text starts at the beginning of .ad files,
479 // is commented by "//" at each line and ends with empty line.
480 //
481 int get_legal_text(FileBuff &fbuf, char **legal_text)
482 {
483 char* legal_start = fbuf.get_line();
484 assert(legal_start[0] == '/' && legal_start[1] == '/', "Incorrect header of AD file");
485 char* legal_end = fbuf.get_line();
486 assert(strncmp(legal_end, "// Copyright", 12) == 0, "Incorrect header of AD file");
487 while(legal_end[0] == '/' && legal_end[1] == '/') {
488 legal_end = fbuf.get_line();
489 }
490 *legal_text = legal_start;
491 return (int) (legal_end - legal_start);
492 }
493
494 void *operator new( size_t size, int, const char *, int ) throw() {
495 return ::operator new( size );
496 }