source: driver/cfa.cc@ eb28d7e

ADT arm-eh ast-experimental cleanup-dtors enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since eb28d7e was c9e640e, checked in by tdelisle <tdelisle@…>, 7 years ago

Fixed benign warning when compiling with nolib
  • Property mode set to 100644
File size: 17.9 KB
RevLine 
[b87a5ed]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//
[76c7f65e]7// cfa.cc --
[b87a5ed]8//
[51b73452]9// Author : Peter A. Buhr
10// Created On : Tue Aug 20 13:44:49 2002
[201aeb9]11// Last Modified By : Peter A. Buhr
[1f86d5e]12// Last Modified On : Sun Feb 10 08:28:09 2019
13// Update Count : 281
[b87a5ed]14//
[51b73452]15
16#include <iostream>
[b87a5ed]17#include <cstdio> // perror
18#include <cstdlib> // putenv, exit
19#include <unistd.h> // execvp
20#include <string> // STL version
[44bca7f]21#include <string.h> // strcmp
[51b73452]22
[37fe352]23#include <sys/types.h>
24#include <sys/stat.h>
25
[44bca7f]26#include "Common/SemanticError.h"
[b87a5ed]27#include "config.h" // configure info
[51b73452]28
29using std::cerr;
30using std::endl;
31using std::string;
[47a8d17]32using std::to_string;
[51b73452]33
34
35//#define __DEBUG_H__
36
37
38bool prefix( string arg, string pre ) {
[b87a5ed]39 return arg.substr( 0, pre.size() ) == pre;
[51b73452]40} // prefix
41
[dffaeac]42enum { NumSuffixes = 2 };
43const string suffixes[NumSuffixes] = { "cfa", "hfa", };
44
[bec4d24]45bool suffix( string arg, const char * args[], int & nargs ) {
[dffaeac]46 //std::cerr << arg << std::endl;
47 size_t dot = arg.find_last_of( "." );
48 //std::cerr << dot << " " << (dot != string::npos ? arg.substr( dot + 1 ) : "fred" ) << std::endl;
49 if ( dot == string::npos ) return false;
50 string sx = arg.substr( dot + 1 );
51 for ( int i = 0; i < NumSuffixes; i += 1 ) {
[b740f0b]52 if ( sx == suffixes[i] ) {
53 args[nargs] = "-x";
54 nargs += 1;
55 args[nargs] = "c";
56 nargs += 1;
[bec4d24]57 return true;
[b740f0b]58 } // if
[dffaeac]59 } // for
60 return false;
61} // suffix
62
[51b73452]63
64void shuffle( const char *args[], int S, int E, int N ) {
[b87a5ed]65 // S & E index 1 passed the end so adjust with -1
[dffaeac]66 #ifdef __DEBUG_H__
[b87a5ed]67 cerr << "shuffle:" << S << " " << E << " " << N << endl;
[dffaeac]68 #endif // __DEBUG_H__
[b87a5ed]69 for ( int j = E-1 + N; j > S-1 + N; j -=1 ) {
[dffaeac]70 #ifdef __DEBUG_H__
[b87a5ed]71 cerr << "\t" << j << " " << j-N << endl;
[dffaeac]72 #endif // __DEBUG_H__
[b87a5ed]73 args[j] = args[j-N];
74 } // for
[51b73452]75} // shuffle
76
[37fe352]77static inline bool dirExists(const string & path) {
78 struct stat info;
79 if(stat( path.c_str(), &info ) != 0)
80 return false;
81 else if(info.st_mode & S_IFDIR)
82 return true;
83 else
84 return false;
85} //dirExists
86
[51b73452]87
[4b1afb6]88#define str(s) #s
89
[51b73452]90int main( int argc, char *argv[] ) {
[4b1afb6]91 string Version( CFA_VERSION_LONG ); // current version number from CONFIG
92 string Major( str( CFA_VERSION_MAJOR ) ), Minor( str( CFA_VERSION_MINOR ) ), Patch( str( CFA_VERSION_PATCH ) );
[51b73452]93
[d6f4488]94 string installincdir( CFA_INCDIR ); // fixed location of include files
95 string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands when installed
96 string srcdriverdir ( TOP_BUILDDIR "driver"); // fixed location of cc1 and cfa-cpp commands when in tree
[51b73452]97
[b87a5ed]98 string heading; // banner printed at start of cfa compilation
99 string arg; // current command-line argument during command-line parsing
100 string Bprefix; // path where gcc looks for compiler command steps
101 string langstd; // language standard
[51b73452]102
[e24f13a]103 string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
[b87a5ed]104 string compiler_name; // name of C compiler
[51b73452]105
[b87a5ed]106 bool nonoptarg = false; // indicates non-option argument specified
107 bool link = true; // linking as well as compiling
108 bool verbose = false; // -v flag
[c9e640e]109 bool quiet = false; // -quiet flag
110 bool debug = true; // -debug flag
111 bool nolib = false; // -nolib flag
112 bool help = false; // -help flag
[b87a5ed]113 bool CFA_flag = false; // -CFA flag
114 bool cpp_flag = false; // -E or -M flag, preprocessor only
[de62360d]115 bool std_flag = false; // -std= flag
[d746bc8]116 bool noincstd_flag = false; // -no-include-stdhdr= flag
[6e4b913]117 bool debugging __attribute(( unused )) = false; // -g flag
[37fe352]118 bool m32 = false; // -m32 flag
119 bool m64 = false; // -m64 flag
120 bool intree = false;
[51b73452]121
[b87a5ed]122 const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
123 int sargs = 1; // starting location for arguments in args list
124 int nargs = sargs; // number of arguments in args list; 0 => command name
[51b73452]125
[b87a5ed]126 const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
127 int nlibs = 0;
[51b73452]128
[dffaeac]129 #ifdef __DEBUG_H__
[b87a5ed]130 cerr << "CFA:" << endl;
[bec4d24]131 for ( int i = 1; i < argc; i += 1 ) {
132 cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
133 } // for
[dffaeac]134 #endif // __DEBUG_H__
[51b73452]135
[b87a5ed]136 // process command-line arguments
[51b73452]137
[b87a5ed]138 for ( int i = 1; i < argc; i += 1 ) {
139 arg = argv[i]; // convert to string value
140 if ( prefix( arg, "-" ) ) {
141 // pass through arguments
142
143 if ( arg == "-Xlinker" || arg == "-o" ) {
144 args[nargs] = argv[i]; // pass the argument along
145 nargs += 1;
146 i += 1;
147 if ( i == argc ) continue; // next argument available ?
148 args[nargs] = argv[i]; // pass the argument along
149 nargs += 1;
150 } else if ( arg == "-XCFA" ) { // CFA pass through
151 i += 1;
152 args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
153 nargs += 1;
154
155 // CFA specific arguments
156
157 } else if ( arg == "-CFA" ) {
158 CFA_flag = true; // strip the -CFA flag
159 link = false;
160 args[nargs] = "-E"; // replace the argument with -E
161 nargs += 1;
162 } else if ( arg == "-debug" ) {
163 debug = true; // strip the debug flag
164 } else if ( arg == "-nodebug" ) {
[c9e640e]165 debug = false; // strip the debug flag
166 } else if ( arg == "-nolib" ) {
167 nolib = true; // strip the nodebug flag
[b87a5ed]168 } else if ( arg == "-quiet" ) {
169 quiet = true; // strip the quiet flag
170 } else if ( arg == "-noquiet" ) {
171 quiet = false; // strip the noquiet flag
172 } else if ( arg == "-help" ) {
173 help = true; // strip the help flag
174 } else if ( arg == "-nohelp" ) {
175 help = false; // strip the nohelp flag
[d746bc8]176 } else if ( arg == "-no-include-stdhdr" ) {
177 noincstd_flag = true; // strip the no-include-stdhdr flag
[37fe352]178 } else if ( arg == "-in-tree" ) {
179 intree = true;
[b87a5ed]180 } else if ( arg == "-compiler" ) {
181 // use the user specified compiler
182 i += 1;
183 if ( i == argc ) continue; // next argument available ?
184 compiler_path = argv[i];
[d6f4488]185 if ( putenv( (char *)( *new string( string( "__CFA_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
[b87a5ed]186 cerr << argv[0] << " error, cannot set environment variable." << endl;
187 exit( EXIT_FAILURE );
188 } // if
189
[de62360d]190 // C specific arguments
[b87a5ed]191
192 } else if ( arg == "-v" ) {
193 verbose = true; // verbosity required
194 args[nargs] = argv[i]; // pass the argument along
195 nargs += 1;
196 } else if ( arg == "-g" ) {
197 debugging = true; // symbolic debugging required
198 args[nargs] = argv[i]; // pass the argument along
199 nargs += 1;
[e3215c5]200 } else if ( prefix( arg, "-std=" ) || prefix( arg, "--std=" ) ) {
[53ba273]201 std_flag = true; // -std=XX provided
[de62360d]202 args[nargs] = argv[i]; // pass the argument along
203 nargs += 1;
[44bca7f]204 } else if ( arg == "-w" ) {
205 args[nargs] = argv[i]; // pass the argument along
206 nargs += 1;
207 args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
208 nargs += 1;
209 } else if ( prefix( arg, "-W" ) ) { // check before next tests
210 if ( arg == "-Werror" || arg == "-Wall" ) {
211 args[nargs] = argv[i]; // pass the argument along
212 nargs += 1;
213 args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
214 nargs += 1;
215 } else {
216 unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
217 args[nargs] = argv[i]; // conditionally pass the argument along
[af39199d]218 const char * warning = argv[i] + adv; // extract warning
219 if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
220 args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str();
221 } // if
[44bca7f]222 nargs += 1;
223 } // if
[b87a5ed]224 } else if ( prefix( arg, "-B" ) ) {
225 Bprefix = arg.substr(2); // strip the -B flag
226 args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
227 nargs += 1;
228 } else if ( prefix( arg, "-b" ) ) {
229 if ( arg.length() == 2 ) { // separate argument ?
230 i += 1;
231 if ( i == argc ) continue; // next argument available ?
232 arg += argv[i]; // concatenate argument
233 } // if
234 // later versions of gcc require the -b option to appear at the start of the command line
235 shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
236 args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
237 if ( putenv( (char *)( *new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
238 cerr << argv[0] << " error, cannot set environment variable." << endl;
239 exit( EXIT_FAILURE );
240 } // if
241 sargs += 1;
242 nargs += 1;
243 } else if ( prefix( arg, "-V" ) ) {
244 if ( arg.length() == 2 ) { // separate argument ?
245 i += 1;
246 if ( i == argc ) continue; // next argument available ?
247 arg += argv[i]; // concatenate argument
248 } // if
249 // later versions of gcc require the -V option to appear at the start of the command line
250 shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
251 args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
252 if ( putenv( (char *)( *new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
253 cerr << argv[0] << " error, cannot set environment variable." << endl;
254 exit( EXIT_FAILURE );
255 } // if
256 sargs += 1;
257 nargs += 1;
258 } else if ( arg == "-c" || arg == "-S" || arg == "-E" || arg == "-M" || arg == "-MM" ) {
259 args[nargs] = argv[i]; // pass the argument along
260 nargs += 1;
261 if ( arg == "-E" || arg == "-M" || arg == "-MM" ) {
262 cpp_flag = true; // cpp only
263 } // if
264 link = false; // no linkage required
265 } else if ( arg[1] == 'l' ) {
266 // if the user specifies a library, load it after user code
267 libs[nlibs] = argv[i];
268 nlibs += 1;
[37fe352]269 } else if ( arg == "-m32" ) {
270 m32 = true;
271 m64 = false;
272 args[nargs] = argv[i];
273 nargs += 1;
274 } else if ( arg == "-m64" ) {
275 m64 = true;
276 m32 = false;
277 args[nargs] = argv[i];
278 nargs += 1;
[b87a5ed]279 } else {
280 // concatenate any other arguments
281 args[nargs] = argv[i];
282 nargs += 1;
283 } // if
284 } else {
[bec4d24]285 bool cfa = suffix( arg, args, nargs ); // check suffix
286 args[nargs] = argv[i]; // concatenate file
[b87a5ed]287 nargs += 1;
[bec4d24]288 if ( cfa ) {
[dffaeac]289 args[nargs] = "-x";
290 nargs += 1;
291 args[nargs] = "none";
292 nargs += 1;
293 } // if
[b87a5ed]294 nonoptarg = true;
295 } // if
296 } // for
[51b73452]297
[b32ad080]298 args[nargs] = "-x"; // turn off language
[bec4d24]299 nargs += 1;
300 args[nargs] = "none";
301 nargs += 1;
302
[dffaeac]303 #ifdef __x86_64__
[a83d08b]304 args[nargs] = "-mcx16"; // allow double-wide CAA
305 nargs += 1;
[dffaeac]306 #endif // __x86_64__
[e3215c5]307
[dffaeac]308 #ifdef __DEBUG_H__
[b87a5ed]309 cerr << "args:";
310 for ( int i = 1; i < nargs; i += 1 ) {
311 cerr << " " << args[i];
312 } // for
313 cerr << endl;
[dffaeac]314 #endif // __DEBUG_H__
[51b73452]315
[b87a5ed]316 if ( cpp_flag && CFA_flag ) {
317 cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
318 exit( EXIT_FAILURE );
319 } // if
[51b73452]320
[6e4b913]321 // add the CFA include-library paths, which allow direct access to header files without directory qualification
[a5121bf]322 if( !intree ) {
323 args[nargs] = "-I" CFA_INCDIR;
[d746bc8]324 nargs += 1;
[dfb7c96]325 if ( ! noincstd_flag ) { // do not use during build
[b740f0b]326 args[nargs] = "-I" CFA_INCDIR "stdhdr";
[a5121bf]327 nargs += 1;
328 } // if
[b740f0b]329 args[nargs] = "-I" CFA_INCDIR "concurrency";
[a5121bf]330 nargs += 1;
[b740f0b]331 args[nargs] = "-I" CFA_INCDIR "containers";
[a5121bf]332 nargs += 1;
333 } else {
334 args[nargs] = "-I" TOP_SRCDIR "libcfa/src";
335 nargs += 1;
[dfb7c96]336 if ( ! noincstd_flag ) { // do not use during build
[a5121bf]337 args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/stdhdr";
338 nargs += 1;
339 } // if
340 args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/concurrency";
341 nargs += 1;
342 args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/containers";
343 nargs += 1;
344 }
[76c7f65e]345
[a37133c]346 // add stdbool to get defines for bool/true/false
347 args[nargs] = "-imacros";
348 nargs += 1;
349 args[nargs] = "stdbool.h";
350 nargs += 1;
351
[a5121bf]352 string libbase;
[37fe352]353 if( !intree ) {
[a5121bf]354 libbase = CFA_LIBDIR;
[37fe352]355 } else {
[a5121bf]356 libbase = TOP_BUILDDIR "libcfa/";
[37fe352]357 args[nargs] = "-D__CFA_FLAG__=-t";
358 nargs += 1;
359 }
360
[dfb7c96]361 string arch = m32 ? CFA_32_CPU : (m64 ? CFA_64_CPU : CFA_DEFAULT_CPU);
[13a984c]362 if ( ! m32 && ! m64 ) {
363 if ( arch == "x86" ) {
364 args[nargs] = "-m32";
365 nargs += 1;
366 } else if ( arch == "x64" ) {
367 args[nargs] = "-m64";
368 nargs += 1;
369 } // if
[dfb7c96]370 } // if
[c9e640e]371 const char * config = nolib ? "nolib" : (debug ? "debug": "nodebug");
[a5121bf]372 string libdir = libbase + arch + "-" + config;
[dfb7c96]373
[c9e640e]374 if ( ! nolib && ! dirExists( libdir ) ) {
[a5121bf]375 cerr << argv[0] << " internal error, configuration " << config << " not installed." << endl;
376 cerr << "Was looking for " << libdir << endl;
377 libdir = libbase + arch + "-" + "nolib";
[dfb7c96]378 } // if
[a5121bf]379
[dfb7c96]380 if ( ! dirExists( libdir ) ) {
[a5121bf]381 cerr << argv[0] << " internal error, cannot find prelude directory." << endl;
382 cerr << "Was looking for " << libdir << endl;
383 exit( EXIT_FAILURE );
[dfb7c96]384 } // if
[a5121bf]385
386 args[nargs] = ( *new string( string("-D__CFA_FLAG__=--prelude-dir=" ) + libdir + (intree ? "/prelude" : "")) ).c_str();
387 nargs += 1;
388
[def9d4e]389 for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
390 args[nargs] = libs[i];
391 nargs += 1;
392 } // for
393
[b87a5ed]394 if ( link ) {
[6bfe5cc]395 args[nargs] = "-Xlinker";
396 nargs += 1;
397 args[nargs] = "--undefined=__cfaabi_dbg_bits_write";
398 nargs += 1;
399 args[nargs] = "-Xlinker";
400 nargs += 1;
401 args[nargs] = "--undefined=__cfaabi_interpose_startup";
402 nargs += 1;
[c2ea058]403 args[nargs] = "-Xlinker";
404 nargs += 1;
405 args[nargs] = "--undefined=__cfaabi_appready_startup";
406 nargs += 1;
[1997b4e]407 args[nargs] = "-Xlinker";
408 nargs += 1;
409 args[nargs] = "--undefined=__cfaabi_dbg_record";
410 nargs += 1;
[6bfe5cc]411
[b87a5ed]412 // include the cfa library in case it's needed
[eed6f5b]413 args[nargs] = ( *new string( string("-L" ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
[a5121bf]414 nargs += 1;
[8bdc1c36]415 args[nargs] = ( *new string( string("-Wl,-rpath," ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
416 nargs += 1;
[37fe352]417 args[nargs] = "-lcfa";
[51b73452]418 nargs += 1;
[63f78f0]419 args[nargs] = "-lpthread";
420 nargs += 1;
[9d944b2]421 args[nargs] = "-ldl";
422 nargs += 1;
[c5ac6d5]423 args[nargs] = "-lrt";
424 nargs += 1;
[def9d4e]425 args[nargs] = "-lm";
426 nargs += 1;
[51b73452]427 } // if
428
[e9145a3]429 // Add exception flags (unconditionally)
430 args[nargs] = "-fexceptions";
431 nargs += 1;
432
[b87a5ed]433 // add the correct set of flags based on the type of compile this is
[8c17ab0]434
[ec129c4]435 args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
[51b73452]436 nargs += 1;
[b87a5ed]437 args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
[51b73452]438 nargs += 1;
[ec129c4]439 args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
[1db21619]440 nargs += 1;
[4c82a3c]441 args[nargs] = "-D__CFA__";
442 nargs += 1;
443 args[nargs] = "-D__CFORALL__";
[02e5ab6]444 nargs += 1;
[6acb935]445 args[nargs] = "-D__cforall";
446 nargs += 1;
[51b73452]447
[b87a5ed]448 if ( cpp_flag ) {
449 args[nargs] = "-D__CPP__";
450 nargs += 1;
451 } // if
[51b73452]452
[fa477f7]453 shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
454 nargs += 1;
[b87a5ed]455 if ( CFA_flag ) {
[fa477f7]456 args[sargs] = "-D__CFA_FLAG__=-N";
[4c82a3c]457 args[nargs] = "-D__CFA_PREPROCESS_";
[b87a5ed]458 nargs += 1;
[fa477f7]459 } else {
460 args[sargs] = "-D__CFA_FLAG__=-L";
[b87a5ed]461 } // if
[fa477f7]462 sargs += 1;
[51b73452]463
[b87a5ed]464 if ( debug ) {
465 heading += " (debug)";
466 args[nargs] = "-D__CFA_DEBUG__";
467 nargs += 1;
468 } else {
469 heading += " (no debug)";
470 } // if
[51b73452]471
[b87a5ed]472 if ( Bprefix.length() == 0 ) {
[b740f0b]473 Bprefix = ! intree ? installlibdir : srcdriverdir;
474 if ( Bprefix[Bprefix.length() - 1] != '/' ) Bprefix += '/';
[b87a5ed]475 args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
476 nargs += 1;
477 } // if
[51b73452]478
[37fe352]479 args[nargs] = "-Xlinker"; // used by backtrace
480 nargs += 1;
481 args[nargs] = "-export-dynamic";
482 nargs += 1;
[6bfe5cc]483
[b87a5ed]484 // execute the compilation command
[51b73452]485
[b87a5ed]486 args[0] = compiler_path.c_str(); // set compiler command for exec
487 // find actual name of the compiler independent of the path to it
488 int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
489 if ( p == -1 ) {
490 compiler_name = compiler_path;
491 } else {
492 compiler_name = *new string( compiler_path.substr( p + 1 ) );
493 } // if
[51b73452]494
[b87a5ed]495 if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
496 args[nargs] = "-no-integrated-cpp";
497 nargs += 1;
[76c7f65e]498 args[nargs] = "-Wno-deprecated";
[b87a5ed]499 nargs += 1;
[1f86d5e]500#ifdef HAVE_CAST_FUNCTION_TYPE
501 args[nargs] = "-Wno-cast-function-type";
502 nargs += 1;
503#endif // HAVE_CAST_FUNCTION_TYPE
[157d094]504 if ( ! std_flag ) { // default c11, if none specified
505 args[nargs] = "-std=gnu11";
[de62360d]506 nargs += 1;
507 } // if
[76c7f65e]508 args[nargs] = "-fgnu89-inline";
[6e991d6]509 nargs += 1;
[201aeb9]510 args[nargs] = "-D__int8_t_defined"; // prevent gcc type-size attributes
511 nargs += 1;
[b740f0b]512 args[nargs] = ( *new string( string("-B") + Bprefix ) ).c_str();
[b87a5ed]513 nargs += 1;
514 } else {
[e24f13a]515 cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
[b87a5ed]516 exit( EXIT_FAILURE );
517 } // if
[51b73452]518
[b87a5ed]519 args[nargs] = NULL; // terminate with NULL
[51b73452]520
[dffaeac]521 #ifdef __DEBUG_H__
[b87a5ed]522 cerr << "nargs: " << nargs << endl;
523 cerr << "args:" << endl;
524 for ( int i = 0; args[i] != NULL; i += 1 ) {
525 cerr << " \"" << args[i] << "\"" << endl;
526 } // for
[dffaeac]527 #endif // __DEBUG_H__
[51b73452]528
[b87a5ed]529 if ( ! quiet ) {
530 cerr << "CFA " << "Version " << Version << heading << endl;
531
532 if ( help ) {
533 cerr <<
534 "-debug\t\t\t: use cfa runtime with debug checking" << endl <<
535 "-help\t\t\t: print this help message" << endl <<
536 "-quiet\t\t\t: print no messages from the cfa command" << endl <<
537 "-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
538 "-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
539 "...\t\t\t: any other " << compiler_name << " flags" << endl;
540 } // if
[51b73452]541 } // if
542
[b87a5ed]543 if ( verbose ) {
544 if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
[51b73452]545
[b87a5ed]546 for ( int i = 0; args[i] != NULL; i += 1 ) {
547 cerr << args[i] << " ";
548 } // for
549 cerr << endl;
550 } // if
[51b73452]551
[b87a5ed]552 if ( ! nonoptarg ) {
553 cerr << argv[0] << " error, no input files" << endl;
554 exit( EXIT_FAILURE );
555 } // if
[51b73452]556
[b87a5ed]557 // execute the command and return the result
[51b73452]558
[b87a5ed]559 execvp( args[0], (char *const *)args ); // should not return
560 perror( "CFA Translator error: cfa level, execvp" );
561 exit( EXIT_FAILURE );
[51b73452]562} // main
563
564// Local Variables: //
[b87a5ed]565// tab-width: 4 //
566// mode: c++ //
[51b73452]567// compile-command: "make install" //
568// End: //
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