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source: src/driver/cfa.cc @ 62e5546

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc

Last change on this file since 62e5546 was 47a8d17, checked in by Thierry Delisle <tdelisle@…>, 8 years ago
cfa version is now based on file of the same name
Property mode set to `100644`
File size: 12.0 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 : Tue Oct 25 21:29:48 2016
13	// Update Count : 152
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
22	#include "config.h" // configure info
23
24	using std::cerr;
25	using std::endl;
26	using std::string;
27	using std::to_string;
28
29
30	//#define __DEBUG_H__
31
32
33	bool prefix( string arg, string pre ) {
34	return arg.substr( 0, pre.size() ) == pre;
35	} // prefix
36
37
38	void shuffle( const char *args[], int S, int E, int N ) {
39	// S & E index 1 passed the end so adjust with -1
40	#ifdef __DEBUG_H__
41	cerr << "shuffle:" << S << " " << E << " " << N << endl;
42	#endif // __DEBUG_H__
43	for ( int j = E-1 + N; j > S-1 + N; j -=1 ) {
44	#ifdef __DEBUG_H__
45	cerr << "\t" << j << " " << j-N << endl;
46	#endif // __DEBUG_H__
47	args[j] = args[j-N];
48	} // for
49	} // shuffle
50
51
52	int main( int argc, char *argv[] ) {
53	string Version( CFA_VERSION_LONG ); // current version number from CONFIG
54	string Major( to_string( CFA_VERSION_MAJOR ) ), Minor( to_string( CFA_VERSION_MINOR ) ), Patch( to_string( CFA_VERSION_PATCH ) );
55
56	string installincdir( CFA_INCDIR ); // fixed location of include files
57	string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands
58
59	string heading; // banner printed at start of cfa compilation
60	string arg; // current command-line argument during command-line parsing
61	string Bprefix; // path where gcc looks for compiler command steps
62	string langstd; // language standard
63
64	string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
65	string compiler_name; // name of C compiler
66
67	bool nonoptarg = false; // indicates non-option argument specified
68	bool link = true; // linking as well as compiling
69	bool verbose = false; // -v flag
70	bool quiet = false; // -quiet flag
71	bool debug = true; // -debug flag
72	bool help = false; // -help flag
73	bool CFA_flag = false; // -CFA flag
74	bool cpp_flag = false; // -E or -M flag, preprocessor only
75	bool std_flag = false; // -std= flag
76	bool noincstd_flag = false; // -no-include-stdhdr= flag
77	bool debugging __attribute(( unused )) = false; // -g flag
78
79	const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
80	int sargs = 1; // starting location for arguments in args list
81	int nargs = sargs; // number of arguments in args list; 0 => command name
82
83	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
84	int nlibs = 0;
85
86	#ifdef __DEBUG_H__
87	cerr << "CFA:" << endl;
88	#endif // __DEBUG_H__
89
90	// process command-line arguments
91
92	for ( int i = 1; i < argc; i += 1 ) {
93	#ifdef __DEBUG_H__
94	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
95	#endif // __DEBUG_H__
96	arg = argv[i]; // convert to string value
97	#ifdef __DEBUG_H__
98	cerr << "arg:\"" << arg << "\"" << endl;
99	#endif // __DEBUG_H__
100	if ( prefix( arg, "-" ) ) {
101	// pass through arguments
102
103	if ( arg == "-Xlinker" \|\| arg == "-o" ) {
104	args[nargs] = argv[i]; // pass the argument along
105	nargs += 1;
106	i += 1;
107	if ( i == argc ) continue; // next argument available ?
108	args[nargs] = argv[i]; // pass the argument along
109	nargs += 1;
110	} else if ( arg == "-XCFA" ) { // CFA pass through
111	i += 1;
112	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
113	nargs += 1;
114
115	// CFA specific arguments
116
117	} else if ( arg == "-CFA" ) {
118	CFA_flag = true; // strip the -CFA flag
119	link = false;
120	args[nargs] = "-E"; // replace the argument with -E
121	nargs += 1;
122	} else if ( arg == "-debug" ) {
123	debug = true; // strip the debug flag
124	} else if ( arg == "-nodebug" ) {
125	debug = false; // strip the nodebug flag
126	} else if ( arg == "-quiet" ) {
127	quiet = true; // strip the quiet flag
128	} else if ( arg == "-noquiet" ) {
129	quiet = false; // strip the noquiet flag
130	} else if ( arg == "-help" ) {
131	help = true; // strip the help flag
132	} else if ( arg == "-nohelp" ) {
133	help = false; // strip the nohelp flag
134	} else if ( arg == "-no-include-stdhdr" ) {
135	noincstd_flag = true; // strip the no-include-stdhdr flag
136	} else if ( arg == "-compiler" ) {
137	// use the user specified compiler
138	i += 1;
139	if ( i == argc ) continue; // next argument available ?
140	compiler_path = argv[i];
141	if ( putenv( (char )( new string( string( "__U_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
142	cerr << argv[0] << " error, cannot set environment variable." << endl;
143	exit( EXIT_FAILURE );
144	} // if
145
146	// C specific arguments
147
148	} else if ( arg == "-v" ) {
149	verbose = true; // verbosity required
150	args[nargs] = argv[i]; // pass the argument along
151	nargs += 1;
152	} else if ( arg == "-g" ) {
153	debugging = true; // symbolic debugging required
154	args[nargs] = argv[i]; // pass the argument along
155	nargs += 1;
156	} else if ( prefix( arg, "-std=" ) ) {
157	std_flag = true; // -std=XX provided
158	args[nargs] = argv[i]; // pass the argument along
159	nargs += 1;
160	} else if ( prefix( arg, "-B" ) ) {
161	Bprefix = arg.substr(2); // strip the -B flag
162	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
163	nargs += 1;
164	} else if ( prefix( arg, "-b" ) ) {
165	if ( arg.length() == 2 ) { // separate argument ?
166	i += 1;
167	if ( i == argc ) continue; // next argument available ?
168	arg += argv[i]; // concatenate argument
169	} // if
170	// later versions of gcc require the -b option to appear at the start of the command line
171	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
172	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
173	if ( putenv( (char )( new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
174	cerr << argv[0] << " error, cannot set environment variable." << endl;
175	exit( EXIT_FAILURE );
176	} // if
177	sargs += 1;
178	nargs += 1;
179	} else if ( prefix( arg, "-V" ) ) {
180	if ( arg.length() == 2 ) { // separate argument ?
181	i += 1;
182	if ( i == argc ) continue; // next argument available ?
183	arg += argv[i]; // concatenate argument
184	} // if
185	// later versions of gcc require the -V option to appear at the start of the command line
186	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
187	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
188	if ( putenv( (char )( new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
189	cerr << argv[0] << " error, cannot set environment variable." << endl;
190	exit( EXIT_FAILURE );
191	} // if
192	sargs += 1;
193	nargs += 1;
194	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
195	args[nargs] = argv[i]; // pass the argument along
196	nargs += 1;
197	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
198	cpp_flag = true; // cpp only
199	} // if
200	link = false; // no linkage required
201	} else if ( arg[1] == 'l' ) {
202	// if the user specifies a library, load it after user code
203	libs[nlibs] = argv[i];
204	nlibs += 1;
205	} else {
206	// concatenate any other arguments
207	args[nargs] = argv[i];
208	nargs += 1;
209	} // if
210	} else {
211	// concatenate other arguments
212	args[nargs] = argv[i];
213	nargs += 1;
214	nonoptarg = true;
215	} // if
216	} // for
217
218	#ifdef __DEBUG_H__
219	cerr << "args:";
220	for ( int i = 1; i < nargs; i += 1 ) {
221	cerr << " " << args[i];
222	} // for
223	cerr << endl;
224	#endif // __DEBUG_H__
225
226	if ( cpp_flag && CFA_flag ) {
227	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
228	exit( EXIT_FAILURE );
229	} // if
230
231	string d;
232	if ( debug ) {
233	d = "-d";
234	} // if
235
236	// add the CFA include-library paths, which allow direct access to header files without directory qualification
237
238	args[nargs] = "-I" CFA_INCDIR;
239	nargs += 1;
240	if ( ! noincstd_flag ) { // do not use during build
241	args[nargs] = "-I" CFA_INCDIR "/stdhdr";
242	nargs += 1;
243	} // if
244	args[nargs] = "-I" CFA_INCDIR "/containers";
245	nargs += 1;
246
247	if ( link ) {
248	// include the cfa library in case it's needed
249	args[nargs] = "-L" CFA_LIBDIR;
250	nargs += 1;
251	args[nargs] = "-lcfa";
252	nargs += 1;
253	} // if
254
255	// add the correct set of flags based on the type of compile this is
256
257	args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
258	nargs += 1;
259	args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
260	nargs += 1;
261	args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
262	nargs += 1;
263	args[nargs] = "-D__CFA__";
264	nargs += 1;
265	args[nargs] = "-D__CFORALL__";
266	nargs += 1;
267
268	if ( cpp_flag ) {
269	args[nargs] = "-D__CPP__";
270	nargs += 1;
271	} // if
272
273	if ( CFA_flag ) {
274	args[nargs] = "-D__CFA_PREPROCESS_";
275	nargs += 1;
276	} // if
277
278	if ( debug ) {
279	heading += " (debug)";
280	args[nargs] = "-D__CFA_DEBUG__";
281	nargs += 1;
282	} else {
283	heading += " (no debug)";
284	} // if
285
286	if ( Bprefix.length() == 0 ) {
287	Bprefix = installlibdir;
288	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
289	nargs += 1;
290	} // if
291
292	// execute the compilation command
293
294	args[0] = compiler_path.c_str(); // set compiler command for exec
295	// find actual name of the compiler independent of the path to it
296	int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
297	if ( p == -1 ) {
298	compiler_name = compiler_path;
299	} else {
300	compiler_name = *new string( compiler_path.substr( p + 1 ) );
301	} // if
302
303	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
304	args[nargs] = "-no-integrated-cpp";
305	nargs += 1;
306	args[nargs] = "-Wno-deprecated";
307	nargs += 1;
308	if ( ! std_flag ) { // default c99, if none specified
309	args[nargs] = "-std=gnu99";
310	nargs += 1;
311	} // if
312	args[nargs] = "-fgnu89-inline";
313	nargs += 1;
314	args[nargs] = ( *new string( string("-B") + Bprefix + "/" ) ).c_str();
315	nargs += 1;
316	args[nargs] = "-lm";
317	nargs += 1;
318	} else {
319	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
320	exit( EXIT_FAILURE );
321	} // if
322
323	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
324	args[nargs] = libs[i];
325	nargs += 1;
326	} // for
327
328	args[nargs] = NULL; // terminate with NULL
329
330	#ifdef __DEBUG_H__
331	cerr << "nargs: " << nargs << endl;
332	cerr << "args:" << endl;
333	for ( int i = 0; args[i] != NULL; i += 1 ) {
334	cerr << " \"" << args[i] << "\"" << endl;
335	} // for
336	#endif // __DEBUG_H__
337
338	if ( ! quiet ) {
339	cerr << "CFA " << "Version " << Version << heading << endl;
340
341	if ( help ) {
342	cerr <<
343	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
344	"-help\t\t\t: print this help message" << endl <<
345	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
346	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
347	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
348	"...\t\t\t: any other " << compiler_name << " flags" << endl;
349	} // if
350	} // if
351
352	if ( verbose ) {
353	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
354
355	for ( int i = 0; args[i] != NULL; i += 1 ) {
356	cerr << args[i] << " ";
357	} // for
358	cerr << endl;
359	} // if
360
361	if ( ! nonoptarg ) {
362	cerr << argv[0] << " error, no input files" << endl;
363	exit( EXIT_FAILURE );
364	} // if
365
366	// execute the command and return the result
367
368	execvp( args[0], (char const )args ); // should not return
369	perror( "CFA Translator error: cfa level, execvp" );
370	exit( EXIT_FAILURE );
371	} // main
372
373	// Local Variables: //
374	// tab-width: 4 //
375	// mode: c++ //
376	// compile-command: "make install" //
377	// End: //

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