Context Navigation

source: driver/cfa.cc @ 0bf5340

ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum

Last change on this file since 0bf5340 was 0bf5340, checked in by Peter A. Buhr <pabuhr@…>, 5 years ago
updates after code review, use suffix .ifa for cc1 stage1 temp-file
Property mode set to `100644`
File size: 15.6 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 Sep 9 17:57:40 2019
13	// Update Count : 417
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	#include <algorithm> // find
23
24	#include <sys/types.h>
25	#include <sys/stat.h>
26
27	#include "Common/SemanticError.h"
28	#include "config.h" // configure info
29
30	using std::cerr;
31	using std::endl;
32	using std::string;
33	using std::to_string;
34
35	//#define __DEBUG_H__
36
37
38	static string __CFA_FLAGPREFIX__( "__CFA_FLAG" ); // "N__=" suffix
39
40	void Putenv( char * argv[], string arg ) {
41	static int flags = 0; // environment variables must have unique names
42
43	if ( putenv( (char )( new string( string( __CFA_FLAGPREFIX__ + to_string( flags++ ) + "__=" ) + arg ) ).c_str() ) ) {
44	cerr << argv[0] << " error, cannot set environment variable." << endl;
45	exit( EXIT_FAILURE );
46	} // if
47	} // Putenv
48
49
50	bool prefix( const string & arg, const string & pre ) { // check if string has prefix
51	return arg.substr( 0, pre.size() ) == pre;
52	} // prefix
53
54	bool suffix( const string & arg ) { // check if string has suffix
55	enum { NumSuffixes = 3 };
56	static const string suffixes[NumSuffixes] = { "cfa", "hfa", "ifa" };
57
58	size_t dot = arg.find_last_of( "." );
59	if ( dot == string::npos ) return false;
60	const string * end = suffixes + NumSuffixes;
61	return std::find( suffixes, end, arg.substr( dot + 1 ) ) != end;
62	} // suffix
63
64
65	static inline bool dirExists( const string & path ) { // check if directory exists
66	struct stat info;
67	if ( stat( path.c_str(), &info ) != 0 ) return false;
68	return (info.st_mode & S_IFDIR) != 0;
69	} // dirExists
70
71
72	#define xstr(s) str(s)
73	#define str(s) #s
74
75	int main( int argc, char * argv[] ) {
76	string Version( CFA_VERSION_LONG ); // current version number from CONFIG
77	string Major( xstr( CFA_VERSION_MAJOR ) ), Minor( xstr( CFA_VERSION_MINOR ) ), Patch( xstr( CFA_VERSION_PATCH ) );
78
79	string installincdir( CFA_INCDIR ); // fixed location of include files
80	string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands when installed
81	string srcdriverdir ( TOP_BUILDDIR "driver"); // fixed location of cc1 and cfa-cpp commands when in tree
82
83	string heading; // banner printed at start of cfa compilation
84	string arg; // current command-line argument during command-line parsing
85	string bprefix; // path where gcc looks for compiler steps
86	string langstd; // language standard
87
88	string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
89	string compiler_name; // name of C compiler
90
91	bool x_flag = false; // -x flag
92	bool nonoptarg = false; // no non-option arguments specified, i.e., no file names
93	bool link = true; // link stage occurring
94	bool verbose = false; // -v flag
95	bool quiet = false; // -quiet flag
96	bool debug = true; // -debug flag
97	bool nolib = false; // -nolib flag
98	bool help = false; // -help flag
99	bool CFA_flag = false; // -CFA flag
100	bool cpp_flag = false; // -E or -M flag, preprocessor only
101	bool std_flag = false; // -std= flag
102	bool noincstd_flag = false; // -no-include-stdhdr= flag
103	bool debugging __attribute(( unused )) = false; // -g flag
104	bool m32 = false; // -m32 flag
105	bool m64 = false; // -m64 flag
106	bool intree = false; // build in tree
107	int o_file = 0; // -o filename position
108
109	const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
110	int sargs = 1; // starting location for arguments in args list
111	int nargs = sargs; // number of arguments in args list; 0 => command name
112
113	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
114	int nlibs = 0;
115
116	#ifdef __DEBUG_H__
117	cerr << "CFA:" << endl;
118	for ( int i = 1; i < argc; i += 1 ) {
119	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
120	} // for
121	#endif // __DEBUG_H__
122
123	// process command-line arguments
124
125	for ( int i = 1; i < argc; i += 1 ) {
126	arg = argv[i]; // convert to string value
127	if ( prefix( arg, "-" ) ) {
128	// pass through arguments
129
130	if ( arg == "-Xlinker" \|\| arg == "-o" ) {
131	args[nargs++] = argv[i]; // pass argument along
132	i += 1;
133	if ( i == argc ) continue; // next argument available ?
134	args[nargs++] = argv[i]; // pass argument along
135	if ( arg == "-o" ) o_file = i; // remember file
136	} else if ( arg == "-XCFA" ) { // CFA pass through
137	i += 1;
138	Putenv( argv, argv[i] );
139
140	// CFA specific arguments
141
142	} else if ( arg == "-CFA" ) {
143	CFA_flag = true; // strip the -CFA flag
144	link = false;
145	args[nargs++] = "-fsyntax-only"; // stop after stage 2
146	} else if ( arg == "-debug" ) {
147	debug = true; // strip the debug flag
148	} else if ( arg == "-nodebug" ) {
149	debug = false; // strip the nodebug flag
150	} else if ( arg == "-nolib" ) {
151	nolib = true; // strip the nodebug flag
152	} else if ( arg == "-quiet" ) {
153	quiet = true; // strip the quiet flag
154	} else if ( arg == "-noquiet" ) {
155	quiet = false; // strip the noquiet flag
156	} else if ( arg == "-help" ) {
157	help = true; // strip the help flag
158	} else if ( arg == "-nohelp" ) {
159	help = false; // strip the nohelp flag
160	} else if ( arg == "-no-include-stdhdr" ) {
161	noincstd_flag = true; // strip the no-include-stdhdr flag
162	} else if ( arg == "-in-tree" ) {
163	intree = true;
164	} else if ( arg == "-compiler" ) {
165	// use the user specified compiler
166	i += 1;
167	if ( i == argc ) continue; // next argument available ?
168	compiler_path = argv[i];
169	Putenv( argv, arg + "=" + argv[i] );
170
171	// C specific arguments
172
173	} else if ( arg == "-v" ) {
174	verbose = true; // verbosity required
175	args[nargs++] = argv[i]; // pass argument along
176	} else if ( arg == "-g" ) {
177	debugging = true; // symbolic debugging required
178	args[nargs++] = argv[i]; // pass argument along
179	} else if ( arg == "-save-temps" ) {
180	args[nargs++] = argv[i]; // pass argument along
181	Putenv( argv, arg ); // save cfa-cpp output
182	} else if ( prefix( arg, "-x" ) ) { // file suffix ?
183	string lang;
184	args[nargs++] = argv[i]; // pass argument along
185	if ( arg.length() == 2 ) { // separate argument ?
186	i += 1;
187	if ( i == argc ) continue; // next argument available ?
188	lang = argv[i];
189	args[nargs++] = argv[i]; // pass argument along
190	} else {
191	lang = arg.substr( 2 );
192	} // if
193	x_flag = lang != "none";
194	} else if ( prefix( arg, "-std=" ) \|\| prefix( arg, "--std=" ) ) {
195	std_flag = true; // -std=XX provided
196	args[nargs++] = argv[i]; // pass argument along
197	} else if ( arg == "-w" ) {
198	args[nargs++] = argv[i]; // pass argument along
199	Putenv( argv, arg );
200	} else if ( prefix( arg, "-W" ) ) { // check before next tests
201	if ( arg == "-Werror" \|\| arg == "-Wall" ) {
202	args[nargs++] = argv[i]; // pass argument along
203	Putenv( argv, argv[i] );
204	} else {
205	unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
206	args[nargs] = argv[i]; // conditionally pass argument along
207	const char * warning = argv[i] + adv; // extract warning
208	if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
209	Putenv( argv, arg );
210	} // if
211	nargs += 1;
212	} // if
213	} else if ( prefix( arg, "-B" ) ) {
214	bprefix = arg.substr(2); // strip the -B flag
215	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
216	args[nargs++] = argv[i]; // pass argument along
217	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
218	cpp_flag = true; // cpp only
219	} // if
220	link = false; // no linkage required
221	} else if ( arg[1] == 'l' ) {
222	// if the user specifies a library, load it after user code
223	libs[nlibs++] = argv[i];
224	} else if ( arg == "-m32" ) {
225	m32 = true;
226	m64 = false;
227	args[nargs++] = argv[i];
228	} else if ( arg == "-m64" ) {
229	m64 = true;
230	m32 = false;
231	args[nargs++] = argv[i];
232	} else {
233	// concatenate any other arguments
234	args[nargs++] = argv[i];
235	} // if
236	} else {
237	bool cfa = suffix( arg ); // check suffix
238	if ( ! x_flag && cfa ) { // no explicit suffix and cfa suffix ?
239	args[nargs++] = "-x";
240	args[nargs++] = "c";
241	} // if
242	args[nargs++] = argv[i]; // concatenate files
243	if ( ! x_flag && cfa ) { // no explicit suffix and cfa suffix ?
244	args[nargs++] = "-x";
245	args[nargs++] = "none";
246	} // if
247	nonoptarg = true;
248	} // if
249	} // for
250
251	#ifdef __x86_64__
252	args[nargs++] = "-mcx16"; // allow double-wide CAA
253	#endif // __x86_64__
254
255	#ifdef __DEBUG_H__
256	cerr << "args:";
257	for ( int i = 1; i < nargs; i += 1 ) {
258	cerr << " " << args[i];
259	} // for
260	cerr << endl;
261	#endif // __DEBUG_H__
262
263	// -E flag stops at cc1 stage 1, so cfa-cpp in cc1 stage 2 is never executed.
264	if ( cpp_flag && CFA_flag ) {
265	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
266	exit( EXIT_FAILURE );
267	} // if
268
269	// add the CFA include-library paths, which allow direct access to header files without directory qualification
270	if ( ! intree ) {
271	args[nargs++] = "-I" CFA_INCDIR;
272	if ( ! noincstd_flag ) { // do not use during build
273	args[nargs++] = "-I" CFA_INCDIR "stdhdr";
274	} // if
275	args[nargs++] = "-I" CFA_INCDIR "concurrency";
276	args[nargs++] = "-I" CFA_INCDIR "containers";
277	} else {
278	args[nargs++] = "-I" TOP_SRCDIR "libcfa/src";
279	if ( ! noincstd_flag ) { // do not use during build
280	args[nargs++] = "-I" TOP_SRCDIR "libcfa/src" "/stdhdr";
281	} // if
282	args[nargs++] = "-I" TOP_SRCDIR "libcfa/src" "/concurrency";
283	args[nargs++] = "-I" TOP_SRCDIR "libcfa/src" "/containers";
284	} // if
285
286	// add stdbool to get defines for bool/true/false
287	args[nargs++] = "-imacros";
288	args[nargs++] = "stdbool.h";
289
290	string libbase;
291	if ( ! intree ) {
292	libbase = CFA_LIBDIR;
293	} else {
294	libbase = TOP_BUILDDIR "libcfa/";
295	Putenv( argv, "-t" );
296	} // if
297
298	string arch( m32 ? CFA_32_CPU : (m64 ? CFA_64_CPU : CFA_DEFAULT_CPU) );
299	if ( ! m32 && ! m64 ) {
300	if ( arch == "x86" ) {
301	args[nargs++] = "-m32";
302	} else if ( arch == "x64" ) {
303	args[nargs++] = "-m64";
304	} // if
305	} // if
306
307	string libdir( libbase + arch + "-" + (nolib ? "nolib" : (debug ? "debug": "nodebug")) );
308	if ( ! dirExists( libdir ) ) {
309	cerr << argv[0] << " internal error, cannot find prelude directory " << libdir << endl;
310	exit( EXIT_FAILURE );
311	} // if
312
313	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
314	args[nargs++] = libs[i];
315	} // for
316
317	if ( link ) {
318	args[nargs++] = "-Xlinker";
319	args[nargs++] = "--undefined=__cfaabi_dbg_bits_write";
320	args[nargs++] = "-Xlinker";
321	args[nargs++] = "--undefined=__cfaabi_interpose_startup";
322	args[nargs++] = "-Xlinker";
323	args[nargs++] = "--undefined=__cfaabi_appready_startup";
324
325	// include the cfa library in case it is needed
326	args[nargs++] = ( *new string( string("-L" ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
327	args[nargs++] = ( *new string( string("-Wl,-rpath," ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
328	args[nargs++] = "-Wl,--push-state,--as-needed";
329	args[nargs++] = "-lcfathread";
330	args[nargs++] = "-Wl,--pop-state";
331	args[nargs++] = "-lcfa";
332	args[nargs++] = "-lpthread";
333	args[nargs++] = "-ldl";
334	args[nargs++] = "-lrt";
335	args[nargs++] = "-lm";
336	} // if
337
338	args[nargs++] = "-fexceptions"; // add exception flags (unconditionally)
339
340	// add flags based on the type of compile
341
342	args[nargs++] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
343	args[nargs++] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
344	args[nargs++] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
345	args[nargs++] = "-D__CFA__";
346	args[nargs++] = "-D__CFORALL__";
347	args[nargs++] = "-D__cforall";
348
349	if ( cpp_flag ) {
350	args[nargs++] = "-D__CPP__";
351	} // if
352
353	if ( CFA_flag ) {
354	Putenv( argv, "-N" );
355	Putenv( argv, "-CFA" );
356	// -CFA implies cc1 stage 2, but gcc does not pass the -o file to this stage because it believe the file is for
357	// the linker. Hence, the -o file is explicit passed to cc1 stage 2 and used as cfa-cpp's output file.
358	if ( o_file ) Putenv( argv, string( "-o=" ) + argv[o_file] );
359	} else {
360	Putenv( argv, "-L" );
361	} // if
362
363	Putenv( argv, "--prelude-dir=" + libdir + (intree ? "/prelude" : "") );
364
365	if ( debug ) {
366	heading += " (debug)";
367	args[nargs++] = "-D__CFA_DEBUG__";
368	} else {
369	heading += " (no debug)";
370	} // if
371
372	if ( bprefix.length() == 0 ) {
373	bprefix = ! intree ? installlibdir : srcdriverdir;
374	if ( bprefix[bprefix.length() - 1] != '/' ) bprefix += '/';
375	Putenv( argv, ( *new string( string("-B=") + bprefix ) ).c_str() );
376	} // if
377
378	args[nargs++] = "-Xlinker"; // used by backtrace
379	args[nargs++] = "-export-dynamic";
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	args[nargs++] = "-Wno-deprecated";
395	#ifdef HAVE_CAST_FUNCTION_TYPE
396	args[nargs++] = "-Wno-cast-function-type";
397	#endif // HAVE_CAST_FUNCTION_TYPE
398	if ( ! std_flag ) { // default c11, if none specified
399	args[nargs++] = "-std=gnu11";
400	} // if
401	args[nargs++] = "-fgnu89-inline";
402	args[nargs++] = "-D__int8_t_defined"; // prevent gcc type-size attributes
403	args[nargs++] = ( *new string( string("-B") + bprefix ) ).c_str();
404	} else {
405	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
406	exit( EXIT_FAILURE );
407	} // if
408
409	args[nargs] = nullptr; // terminate
410
411	#ifdef __DEBUG_H__
412	cerr << "nargs: " << nargs << endl;
413	cerr << "args:" << endl;
414	for ( int i = 0; args[i] != nullptr; i += 1 ) {
415	cerr << " \"" << args[i] << "\"" << endl;
416	} // for
417	#endif // __DEBUG_H__
418
419	if ( ! quiet ) {
420	cerr << "CFA " << "Version " << Version << heading << endl;
421
422	if ( help ) {
423	cerr <<
424	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
425	"-help\t\t\t: print this help message" << endl <<
426	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
427	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
428	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
429	"...\t\t\t: any other " << compiler_name << " flags" << endl;
430	} // if
431	} // if
432
433	if ( verbose ) {
434	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
435
436	for ( int i = 0; args[i] != nullptr; i += 1 ) {
437	cerr << args[i] << " ";
438	} // for
439	cerr << endl;
440	} // if
441
442	if ( ! nonoptarg ) {
443	cerr << argv[0] << " error, no input files" << endl;
444	exit( EXIT_FAILURE );
445	} // if
446
447	// execute the command and return the result
448
449	execvp( args[0], (char const )args ); // should not return
450	perror( "CFA Translator error: execvp" );
451	exit( EXIT_FAILURE );
452	} // main
453
454	// Local Variables: //
455	// tab-width: 4 //
456	// mode: c++ //
457	// compile-command: "make install" //
458	// End: //

Note: See TracBrowser for help on using the repository browser.

Download in other formats: