source: src/driver/cfa.cc@ a1c9ddd

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum with_gc
Last change on this file since a1c9ddd was 157d094, checked in by Peter A. Buhr <pabuhr@…>, 7 years ago

change from -std=gnu99 to -std=gnu11 for gcc
  • Property mode set to 100644
File size: 15.1 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// cfa.cc --
8//
9// Author : Peter A. Buhr
10// Created On : Tue Aug 20 13:44:49 2002
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Mon May 14 14:16:33 2018
13// Update Count : 244
14//
15
16#include <iostream>
17#include <cstdio> // perror
18#include <cstdlib> // putenv, exit
19#include <unistd.h> // execvp
20#include <string> // STL version
21#include <string.h> // strcmp
22
23#include "Common/SemanticError.h"
24#include "config.h" // configure info
25
26using std::cerr;
27using std::endl;
28using std::string;
29using std::to_string;
30
31
32//#define __DEBUG_H__
33
34
35bool prefix( string arg, string pre ) {
36 return arg.substr( 0, pre.size() ) == pre;
37} // prefix
38
39
40void shuffle( const char *args[], int S, int E, int N ) {
41 // S & E index 1 passed the end so adjust with -1
42#ifdef __DEBUG_H__
43 cerr << "shuffle:" << S << " " << E << " " << N << endl;
44#endif // __DEBUG_H__
45 for ( int j = E-1 + N; j > S-1 + N; j -=1 ) {
46#ifdef __DEBUG_H__
47 cerr << "\t" << j << " " << j-N << endl;
48#endif // __DEBUG_H__
49 args[j] = args[j-N];
50 } // for
51} // shuffle
52
53
54#define str(s) #s
55
56int main( int argc, char *argv[] ) {
57 string Version( CFA_VERSION_LONG ); // current version number from CONFIG
58 string Major( str( CFA_VERSION_MAJOR ) ), Minor( str( CFA_VERSION_MINOR ) ), Patch( str( CFA_VERSION_PATCH ) );
59
60 string installincdir( CFA_INCDIR ); // fixed location of include files
61 string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands
62
63 string heading; // banner printed at start of cfa compilation
64 string arg; // current command-line argument during command-line parsing
65 string Bprefix; // path where gcc looks for compiler command steps
66 string langstd; // language standard
67
68 string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
69 string compiler_name; // name of C compiler
70
71 bool nonoptarg = false; // indicates non-option argument specified
72 bool link = true; // linking as well as compiling
73 bool verbose = false; // -v flag
74 bool quiet = false; // -quiet flag
75 bool debug = true; // -debug flag
76 bool help = false; // -help flag
77 bool CFA_flag = false; // -CFA flag
78 bool cpp_flag = false; // -E or -M flag, preprocessor only
79 bool std_flag = false; // -std= flag
80 bool noincstd_flag = false; // -no-include-stdhdr= flag
81 bool debugging __attribute(( unused )) = false; // -g flag
82
83 const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
84 int sargs = 1; // starting location for arguments in args list
85 int nargs = sargs; // number of arguments in args list; 0 => command name
86
87 const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
88 int nlibs = 0;
89
90#ifdef __DEBUG_H__
91 cerr << "CFA:" << endl;
92#endif // __DEBUG_H__
93
94 // process command-line arguments
95
96 for ( int i = 1; i < argc; i += 1 ) {
97#ifdef __DEBUG_H__
98 cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
99#endif // __DEBUG_H__
100 arg = argv[i]; // convert to string value
101#ifdef __DEBUG_H__
102 cerr << "arg:\"" << arg << "\"" << endl;
103#endif // __DEBUG_H__
104 if ( prefix( arg, "-" ) ) {
105 // pass through arguments
106
107 if ( arg == "-Xlinker" || arg == "-o" ) {
108 args[nargs] = argv[i]; // pass the argument along
109 nargs += 1;
110 i += 1;
111 if ( i == argc ) continue; // next argument available ?
112 args[nargs] = argv[i]; // pass the argument along
113 nargs += 1;
114 } else if ( arg == "-XCFA" ) { // CFA pass through
115 i += 1;
116 args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
117 nargs += 1;
118
119 // CFA specific arguments
120
121 } else if ( arg == "-CFA" ) {
122 CFA_flag = true; // strip the -CFA flag
123 link = false;
124 args[nargs] = "-E"; // replace the argument with -E
125 nargs += 1;
126 } else if ( arg == "-debug" ) {
127 debug = true; // strip the debug flag
128 } else if ( arg == "-nodebug" ) {
129 debug = false; // strip the nodebug flag
130 } else if ( arg == "-quiet" ) {
131 quiet = true; // strip the quiet flag
132 } else if ( arg == "-noquiet" ) {
133 quiet = false; // strip the noquiet flag
134 } else if ( arg == "-help" ) {
135 help = true; // strip the help flag
136 } else if ( arg == "-nohelp" ) {
137 help = false; // strip the nohelp flag
138 } else if ( arg == "-no-include-stdhdr" ) {
139 noincstd_flag = true; // strip the no-include-stdhdr flag
140 } else if ( arg == "-compiler" ) {
141 // use the user specified compiler
142 i += 1;
143 if ( i == argc ) continue; // next argument available ?
144 compiler_path = argv[i];
145 if ( putenv( (char *)( *new string( string( "__U_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
146 cerr << argv[0] << " error, cannot set environment variable." << endl;
147 exit( EXIT_FAILURE );
148 } // if
149
150 // C specific arguments
151
152 } else if ( arg == "-v" ) {
153 verbose = true; // verbosity required
154 args[nargs] = argv[i]; // pass the argument along
155 nargs += 1;
156 } else if ( arg == "-g" ) {
157 debugging = true; // symbolic debugging required
158 args[nargs] = argv[i]; // pass the argument along
159 nargs += 1;
160 } else if ( prefix( arg, "-std=" ) || prefix( arg, "--std=" ) ) {
161 std_flag = true; // -std=XX provided
162 args[nargs] = argv[i]; // pass the argument along
163 nargs += 1;
164 } else if ( arg == "-x" ) { // lost so force along
165 args[nargs] = argv[i]; // pass the argument along
166 nargs += 1;
167 i += 1; // advance to argument
168 args[nargs] = argv[i]; // pass the argument along
169 nargs += 1;
170 args[nargs] = ( *new string( string("-D__GCC_X__=") + argv[i] ) ).c_str(); // add the argument for -x
171 nargs += 1;
172 } else if ( prefix( arg, "-x" ) ) { // lost so force along
173 args[nargs] = argv[i]; // pass the argument along
174 nargs += 1;
175 args[nargs] = ( *new string( string("-D__GCC_X__=") + arg.substr(2) ) ).c_str(); // add the argument for -x
176 nargs += 1;
177 } else if ( arg == "-w" ) {
178 args[nargs] = argv[i]; // pass the argument along
179 nargs += 1;
180 args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
181 nargs += 1;
182 } else if ( prefix( arg, "-W" ) ) { // check before next tests
183 if ( arg == "-Werror" || arg == "-Wall" ) {
184 args[nargs] = argv[i]; // pass the argument along
185 nargs += 1;
186 args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
187 nargs += 1;
188 } else {
189 unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
190 args[nargs] = argv[i]; // conditionally pass the argument along
191 const char * warning = argv[i] + adv; // extract warning
192 if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
193 args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str();
194 } // if
195 nargs += 1;
196 } // if
197 } else if ( prefix( arg, "-B" ) ) {
198 Bprefix = arg.substr(2); // strip the -B flag
199 args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
200 nargs += 1;
201 } else if ( prefix( arg, "-b" ) ) {
202 if ( arg.length() == 2 ) { // separate argument ?
203 i += 1;
204 if ( i == argc ) continue; // next argument available ?
205 arg += argv[i]; // concatenate argument
206 } // if
207 // later versions of gcc require the -b option to appear at the start of the command line
208 shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
209 args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
210 if ( putenv( (char *)( *new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
211 cerr << argv[0] << " error, cannot set environment variable." << endl;
212 exit( EXIT_FAILURE );
213 } // if
214 sargs += 1;
215 nargs += 1;
216 } else if ( prefix( arg, "-V" ) ) {
217 if ( arg.length() == 2 ) { // separate argument ?
218 i += 1;
219 if ( i == argc ) continue; // next argument available ?
220 arg += argv[i]; // concatenate argument
221 } // if
222 // later versions of gcc require the -V option to appear at the start of the command line
223 shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
224 args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
225 if ( putenv( (char *)( *new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
226 cerr << argv[0] << " error, cannot set environment variable." << endl;
227 exit( EXIT_FAILURE );
228 } // if
229 sargs += 1;
230 nargs += 1;
231 } else if ( arg == "-c" || arg == "-S" || arg == "-E" || arg == "-M" || arg == "-MM" ) {
232 args[nargs] = argv[i]; // pass the argument along
233 nargs += 1;
234 if ( arg == "-E" || arg == "-M" || arg == "-MM" ) {
235 cpp_flag = true; // cpp only
236 } // if
237 link = false; // no linkage required
238 } else if ( arg[1] == 'l' ) {
239 // if the user specifies a library, load it after user code
240 libs[nlibs] = argv[i];
241 nlibs += 1;
242 } else {
243 // concatenate any other arguments
244 args[nargs] = argv[i];
245 nargs += 1;
246 } // if
247 } else {
248 // concatenate other arguments
249 args[nargs] = argv[i];
250 nargs += 1;
251 nonoptarg = true;
252 } // if
253 } // for
254
255#ifdef __x86_64__
256 args[nargs] = "-mcx16"; // allow double-wide CAA
257 nargs += 1;
258#endif // __x86_64__
259
260#ifdef __DEBUG_H__
261 cerr << "args:";
262 for ( int i = 1; i < nargs; i += 1 ) {
263 cerr << " " << args[i];
264 } // for
265 cerr << endl;
266#endif // __DEBUG_H__
267
268 if ( cpp_flag && CFA_flag ) {
269 cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
270 exit( EXIT_FAILURE );
271 } // if
272
273 // add the CFA include-library paths, which allow direct access to header files without directory qualification
274 args[nargs] = "-I" CFA_INCDIR;
275 nargs += 1;
276 if ( ! noincstd_flag ) { // do not use during build
277 args[nargs] = "-I" CFA_INCDIR "/stdhdr";
278 nargs += 1;
279 } // if
280 args[nargs] = "-I" CFA_INCDIR "/concurrency";
281 nargs += 1;
282 args[nargs] = "-I" CFA_INCDIR "/containers";
283 nargs += 1;
284
285#ifdef HAVE_LIBCFA
286 if ( link ) {
287 #if ! defined(HAVE_LIBCFA_RELEASE)
288 if ( ! debug ) {
289 cerr << "error: Option -nodebug is unavailable, libcfa was not installed." << endl;
290 exit( EXIT_FAILURE );
291 } // if
292 #endif
293 #if ! defined(HAVE_LIBCFA_DEBUG)
294 if ( debug ) {
295 cerr << "error: Option -debug is unavailable, libcfa-d was not installed." << endl;
296 exit( EXIT_FAILURE );
297 } // if
298 #endif
299
300 args[nargs] = "-Xlinker";
301 nargs += 1;
302 args[nargs] = "--undefined=__cfaabi_dbg_bits_write";
303 nargs += 1;
304 args[nargs] = "-Xlinker";
305 nargs += 1;
306 args[nargs] = "--undefined=__cfaabi_interpose_startup";
307 nargs += 1;
308
309 // include the cfa library in case it's needed
310 args[nargs] = "-L" CFA_LIBDIR;
311 nargs += 1;
312 if ( debug ) {
313 args[nargs] = "-lcfa-d";
314 } else {
315 args[nargs] = "-lcfa";
316 } // if
317 nargs += 1;
318 args[nargs] = "-lpthread";
319 nargs += 1;
320 args[nargs] = "-ldl";
321 nargs += 1;
322 args[nargs] = "-lrt";
323 nargs += 1;
324 } // if
325#endif // HAVE_LIBCFA
326
327 // Add exception flags (unconditionally)
328 args[nargs] = "-fexceptions";
329 nargs += 1;
330
331 // add the correct set of flags based on the type of compile this is
332
333 args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
334 nargs += 1;
335 args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
336 nargs += 1;
337 args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
338 nargs += 1;
339 args[nargs] = "-D__CFA__";
340 nargs += 1;
341 args[nargs] = "-D__CFORALL__";
342 nargs += 1;
343 args[nargs] = "-D__cforall";
344 nargs += 1;
345
346 if ( cpp_flag ) {
347 args[nargs] = "-D__CPP__";
348 nargs += 1;
349 } // if
350
351 shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
352 nargs += 1;
353 if ( CFA_flag ) {
354 args[sargs] = "-D__CFA_FLAG__=-N";
355 args[nargs] = "-D__CFA_PREPROCESS_";
356 nargs += 1;
357 } else {
358 args[sargs] = "-D__CFA_FLAG__=-L";
359 } // if
360 sargs += 1;
361
362 if ( debug ) {
363 heading += " (debug)";
364 args[nargs] = "-D__CFA_DEBUG__";
365 nargs += 1;
366 } else {
367 heading += " (no debug)";
368 } // if
369
370 if ( Bprefix.length() == 0 ) {
371 Bprefix = installlibdir;
372 args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
373 nargs += 1;
374 } // if
375
376 args[nargs] = "-Xlinker"; // used by backtrace
377 nargs += 1;
378 args[nargs] = "-export-dynamic";
379 nargs += 1;
380
381 // execute the compilation command
382
383 args[0] = compiler_path.c_str(); // set compiler command for exec
384 // find actual name of the compiler independent of the path to it
385 int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
386 if ( p == -1 ) {
387 compiler_name = compiler_path;
388 } else {
389 compiler_name = *new string( compiler_path.substr( p + 1 ) );
390 } // if
391
392 if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
393 args[nargs] = "-no-integrated-cpp";
394 nargs += 1;
395 args[nargs] = "-Wno-deprecated";
396 nargs += 1;
397 if ( ! std_flag ) { // default c11, if none specified
398 args[nargs] = "-std=gnu11";
399 nargs += 1;
400 } // if
401 args[nargs] = "-fgnu89-inline";
402 nargs += 1;
403 args[nargs] = "-D__int8_t_defined"; // prevent gcc type-size attributes
404 nargs += 1;
405 args[nargs] = ( *new string( string("-B") + Bprefix + "/" ) ).c_str();
406 nargs += 1;
407 args[nargs] = "-lm";
408 nargs += 1;
409 } else {
410 cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
411 exit( EXIT_FAILURE );
412 } // if
413
414 for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
415 args[nargs] = libs[i];
416 nargs += 1;
417 } // for
418
419 args[nargs] = NULL; // terminate with NULL
420
421#ifdef __DEBUG_H__
422 cerr << "nargs: " << nargs << endl;
423 cerr << "args:" << endl;
424 for ( int i = 0; args[i] != NULL; i += 1 ) {
425 cerr << " \"" << args[i] << "\"" << endl;
426 } // for
427#endif // __DEBUG_H__
428
429 if ( ! quiet ) {
430 cerr << "CFA " << "Version " << Version << heading << endl;
431
432 if ( help ) {
433 cerr <<
434 "-debug\t\t\t: use cfa runtime with debug checking" << endl <<
435 "-help\t\t\t: print this help message" << endl <<
436 "-quiet\t\t\t: print no messages from the cfa command" << endl <<
437 "-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
438 "-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
439 "...\t\t\t: any other " << compiler_name << " flags" << endl;
440 } // if
441 } // if
442
443 if ( verbose ) {
444 if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
445
446 for ( int i = 0; args[i] != NULL; i += 1 ) {
447 cerr << args[i] << " ";
448 } // for
449 cerr << endl;
450 } // if
451
452 if ( ! nonoptarg ) {
453 cerr << argv[0] << " error, no input files" << endl;
454 exit( EXIT_FAILURE );
455 } // if
456
457 // execute the command and return the result
458
459 execvp( args[0], (char *const *)args ); // should not return
460 perror( "CFA Translator error: cfa level, execvp" );
461 exit( EXIT_FAILURE );
462} // main
463
464// Local Variables: //
465// tab-width: 4 //
466// mode: c++ //
467// compile-command: "make install" //
468// End: //
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