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source: src/driver/cfa.cc @ 6d7c3df

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 6d7c3df was ec129c4, checked in by Peter A. Buhr <pabuhr@…>, 8 years ago
add additional #defines for CFA version numbers
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
28
29	//#define __DEBUG_H__
30
31
32	bool prefix( string arg, string pre ) {
33	return arg.substr( 0, pre.size() ) == pre;
34	} // prefix
35
36
37	void shuffle( const char *args[], int S, int E, int N ) {
38	// S & E index 1 passed the end so adjust with -1
39	#ifdef __DEBUG_H__
40	cerr << "shuffle:" << S << " " << E << " " << N << endl;
41	#endif // __DEBUG_H__
42	for ( int j = E-1 + N; j > S-1 + N; j -=1 ) {
43	#ifdef __DEBUG_H__
44	cerr << "\t" << j << " " << j-N << endl;
45	#endif // __DEBUG_H__
46	args[j] = args[j-N];
47	} // for
48	} // shuffle
49
50
51	int main( int argc, char *argv[] ) {
52	string Version( VERSION ); // current version number from CONFIG
53	string Major( CFA_VERSION_MAJOR ), Minor( CFA_VERSION_MINOR ), Patch( CFA_VERSION_MINOR );
54
55	string installincdir( CFA_INCDIR ); // fixed location of include files
56	string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands
57
58	string heading; // banner printed at start of cfa compilation
59	string arg; // current command-line argument during command-line parsing
60	string Bprefix; // path where gcc looks for compiler command steps
61	string langstd; // language standard
62
63	string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
64	string compiler_name; // name of C compiler
65
66	bool nonoptarg = false; // indicates non-option argument specified
67	bool link = true; // linking as well as compiling
68	bool verbose = false; // -v flag
69	bool quiet = false; // -quiet flag
70	bool debug = true; // -debug flag
71	bool help = false; // -help flag
72	bool CFA_flag = false; // -CFA flag
73	bool cpp_flag = false; // -E or -M flag, preprocessor only
74	bool std_flag = false; // -std= flag
75	bool noincstd_flag = false; // -no-include-stdhdr= flag
76	bool debugging __attribute(( unused )) = false; // -g flag
77
78	const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
79	int sargs = 1; // starting location for arguments in args list
80	int nargs = sargs; // number of arguments in args list; 0 => command name
81
82	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
83	int nlibs = 0;
84
85	#ifdef __DEBUG_H__
86	cerr << "CFA:" << endl;
87	#endif // __DEBUG_H__
88
89	// process command-line arguments
90
91	for ( int i = 1; i < argc; i += 1 ) {
92	#ifdef __DEBUG_H__
93	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
94	#endif // __DEBUG_H__
95	arg = argv[i]; // convert to string value
96	#ifdef __DEBUG_H__
97	cerr << "arg:\"" << arg << "\"" << endl;
98	#endif // __DEBUG_H__
99	if ( prefix( arg, "-" ) ) {
100	// pass through arguments
101
102	if ( arg == "-Xlinker" \|\| arg == "-o" ) {
103	args[nargs] = argv[i]; // pass the argument along
104	nargs += 1;
105	i += 1;
106	if ( i == argc ) continue; // next argument available ?
107	args[nargs] = argv[i]; // pass the argument along
108	nargs += 1;
109	} else if ( arg == "-XCFA" ) { // CFA pass through
110	i += 1;
111	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
112	nargs += 1;
113
114	// CFA specific arguments
115
116	} else if ( arg == "-CFA" ) {
117	CFA_flag = true; // strip the -CFA flag
118	link = false;
119	args[nargs] = "-E"; // replace the argument with -E
120	nargs += 1;
121	} else if ( arg == "-debug" ) {
122	debug = true; // strip the debug flag
123	} else if ( arg == "-nodebug" ) {
124	debug = false; // strip the nodebug flag
125	} else if ( arg == "-quiet" ) {
126	quiet = true; // strip the quiet flag
127	} else if ( arg == "-noquiet" ) {
128	quiet = false; // strip the noquiet flag
129	} else if ( arg == "-help" ) {
130	help = true; // strip the help flag
131	} else if ( arg == "-nohelp" ) {
132	help = false; // strip the nohelp flag
133	} else if ( arg == "-no-include-stdhdr" ) {
134	noincstd_flag = true; // strip the no-include-stdhdr flag
135	} else if ( arg == "-compiler" ) {
136	// use the user specified compiler
137	i += 1;
138	if ( i == argc ) continue; // next argument available ?
139	compiler_path = argv[i];
140	if ( putenv( (char )( new string( string( "__U_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
141	cerr << argv[0] << " error, cannot set environment variable." << endl;
142	exit( EXIT_FAILURE );
143	} // if
144
145	// C specific arguments
146
147	} else if ( arg == "-v" ) {
148	verbose = true; // verbosity required
149	args[nargs] = argv[i]; // pass the argument along
150	nargs += 1;
151	} else if ( arg == "-g" ) {
152	debugging = true; // symbolic debugging required
153	args[nargs] = argv[i]; // pass the argument along
154	nargs += 1;
155	} else if ( prefix( arg, "-std=" ) ) {
156	std_flag = true; // -std=XX provided
157	args[nargs] = argv[i]; // pass the argument along
158	nargs += 1;
159	} else if ( prefix( arg, "-B" ) ) {
160	Bprefix = arg.substr(2); // strip the -B flag
161	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
162	nargs += 1;
163	} else if ( prefix( arg, "-b" ) ) {
164	if ( arg.length() == 2 ) { // separate argument ?
165	i += 1;
166	if ( i == argc ) continue; // next argument available ?
167	arg += argv[i]; // concatenate argument
168	} // if
169	// later versions of gcc require the -b option to appear at the start of the command line
170	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
171	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
172	if ( putenv( (char )( new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
173	cerr << argv[0] << " error, cannot set environment variable." << endl;
174	exit( EXIT_FAILURE );
175	} // if
176	sargs += 1;
177	nargs += 1;
178	} else if ( prefix( arg, "-V" ) ) {
179	if ( arg.length() == 2 ) { // separate argument ?
180	i += 1;
181	if ( i == argc ) continue; // next argument available ?
182	arg += argv[i]; // concatenate argument
183	} // if
184	// later versions of gcc require the -V option to appear at the start of the command line
185	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
186	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
187	if ( putenv( (char )( new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
188	cerr << argv[0] << " error, cannot set environment variable." << endl;
189	exit( EXIT_FAILURE );
190	} // if
191	sargs += 1;
192	nargs += 1;
193	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
194	args[nargs] = argv[i]; // pass the argument along
195	nargs += 1;
196	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
197	cpp_flag = true; // cpp only
198	} // if
199	link = false; // no linkage required
200	} else if ( arg[1] == 'l' ) {
201	// if the user specifies a library, load it after user code
202	libs[nlibs] = argv[i];
203	nlibs += 1;
204	} else {
205	// concatenate any other arguments
206	args[nargs] = argv[i];
207	nargs += 1;
208	} // if
209	} else {
210	// concatenate other arguments
211	args[nargs] = argv[i];
212	nargs += 1;
213	nonoptarg = true;
214	} // if
215	} // for
216
217	#ifdef __DEBUG_H__
218	cerr << "args:";
219	for ( int i = 1; i < nargs; i += 1 ) {
220	cerr << " " << args[i];
221	} // for
222	cerr << endl;
223	#endif // __DEBUG_H__
224
225	if ( cpp_flag && CFA_flag ) {
226	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
227	exit( EXIT_FAILURE );
228	} // if
229
230	string d;
231	if ( debug ) {
232	d = "-d";
233	} // if
234
235	// add the CFA include-library paths, which allow direct access to header files without directory qualification
236
237	args[nargs] = "-I" CFA_INCDIR;
238	nargs += 1;
239	if ( ! noincstd_flag ) { // do not use during build
240	args[nargs] = "-I" CFA_INCDIR "/stdhdr";
241	nargs += 1;
242	} // if
243	args[nargs] = "-I" CFA_INCDIR "/containers";
244	nargs += 1;
245
246	if ( link ) {
247	// include the cfa library in case it's needed
248	args[nargs] = "-L" CFA_LIBDIR;
249	nargs += 1;
250	args[nargs] = "-lcfa";
251	nargs += 1;
252	} // if
253
254	// add the correct set of flags based on the type of compile this is
255
256	args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
257	nargs += 1;
258	args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
259	nargs += 1;
260	args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
261	nargs += 1;
262	args[nargs] = "-D__CFA__";
263	nargs += 1;
264	args[nargs] = "-D__CFORALL__";
265	nargs += 1;
266
267	if ( cpp_flag ) {
268	args[nargs] = "-D__CPP__";
269	nargs += 1;
270	} // if
271
272	if ( CFA_flag ) {
273	args[nargs] = "-D__CFA_PREPROCESS_";
274	nargs += 1;
275	} // if
276
277	if ( debug ) {
278	heading += " (debug)";
279	args[nargs] = "-D__CFA_DEBUG__";
280	nargs += 1;
281	} else {
282	heading += " (no debug)";
283	} // if
284
285	if ( Bprefix.length() == 0 ) {
286	Bprefix = installlibdir;
287	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
288	nargs += 1;
289	} // if
290
291	// execute the compilation command
292
293	args[0] = compiler_path.c_str(); // set compiler command for exec
294	// find actual name of the compiler independent of the path to it
295	int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
296	if ( p == -1 ) {
297	compiler_name = compiler_path;
298	} else {
299	compiler_name = *new string( compiler_path.substr( p + 1 ) );
300	} // if
301
302	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
303	args[nargs] = "-no-integrated-cpp";
304	nargs += 1;
305	args[nargs] = "-Wno-deprecated";
306	nargs += 1;
307	if ( ! std_flag ) { // default c99, if none specified
308	args[nargs] = "-std=gnu99";
309	nargs += 1;
310	} // if
311	args[nargs] = "-fgnu89-inline";
312	nargs += 1;
313	args[nargs] = ( *new string( string("-B") + Bprefix + "/" ) ).c_str();
314	nargs += 1;
315	args[nargs] = "-lm";
316	nargs += 1;
317	} else {
318	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
319	exit( EXIT_FAILURE );
320	} // if
321
322	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
323	args[nargs] = libs[i];
324	nargs += 1;
325	} // for
326
327	args[nargs] = NULL; // terminate with NULL
328
329	#ifdef __DEBUG_H__
330	cerr << "nargs: " << nargs << endl;
331	cerr << "args:" << endl;
332	for ( int i = 0; args[i] != NULL; i += 1 ) {
333	cerr << " \"" << args[i] << "\"" << endl;
334	} // for
335	#endif // __DEBUG_H__
336
337	if ( ! quiet ) {
338	cerr << "CFA " << "Version " << Version << heading << endl;
339
340	if ( help ) {
341	cerr <<
342	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
343	"-help\t\t\t: print this help message" << endl <<
344	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
345	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
346	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
347	"...\t\t\t: any other " << compiler_name << " flags" << endl;
348	} // if
349	} // if
350
351	if ( verbose ) {
352	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
353
354	for ( int i = 0; args[i] != NULL; i += 1 ) {
355	cerr << args[i] << " ";
356	} // for
357	cerr << endl;
358	} // if
359
360	if ( ! nonoptarg ) {
361	cerr << argv[0] << " error, no input files" << endl;
362	exit( EXIT_FAILURE );
363	} // if
364
365	// execute the command and return the result
366
367	execvp( args[0], (char const )args ); // should not return
368	perror( "CFA Translator error: cfa level, execvp" );
369	exit( EXIT_FAILURE );
370	} // main
371
372	// Local Variables: //
373	// tab-width: 4 //
374	// mode: c++ //
375	// compile-command: "make install" //
376	// End: //

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