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

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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

Rev	Line
[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	//
[51b7345]	9	// Author : Peter A. Buhr
	10	// Created On : Tue Aug 20 13:44:49 2002
	11	// Last Modified By : Peter A. Buhr
[ec129c4]	12	// Last Modified On : Tue Oct 25 21:29:48 2016
	13	// Update Count : 152
[b87a5ed]	14	//
[51b7345]	15
	16	#include <iostream>
[b87a5ed]	17	#include <cstdio> // perror
	18	#include <cstdlib> // putenv, exit
	19	#include <unistd.h> // execvp
	20	#include <string> // STL version
[51b7345]	21
[b87a5ed]	22	#include "config.h" // configure info
[51b7345]	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 ) {
[b87a5ed]	33	return arg.substr( 0, pre.size() ) == pre;
[51b7345]	34	} // prefix
	35
	36
	37	void shuffle( const char *args[], int S, int E, int N ) {
[b87a5ed]	38	// S & E index 1 passed the end so adjust with -1
[51b7345]	39	#ifdef __DEBUG_H__
[b87a5ed]	40	cerr << "shuffle:" << S << " " << E << " " << N << endl;
[51b7345]	41	#endif // __DEBUG_H__
[b87a5ed]	42	for ( int j = E-1 + N; j > S-1 + N; j -=1 ) {
[51b7345]	43	#ifdef __DEBUG_H__
[b87a5ed]	44	cerr << "\t" << j << " " << j-N << endl;
[51b7345]	45	#endif // __DEBUG_H__
[b87a5ed]	46	args[j] = args[j-N];
	47	} // for
[51b7345]	48	} // shuffle
	49
	50
	51	int main( int argc, char *argv[] ) {
[b87a5ed]	52	string Version( VERSION ); // current version number from CONFIG
[ec129c4]	53	string Major( CFA_VERSION_MAJOR ), Minor( CFA_VERSION_MINOR ), Patch( CFA_VERSION_MINOR );
[51b7345]	54
[00cc023]	55	string installincdir( CFA_INCDIR ); // fixed location of include files
	56	string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands
[51b7345]	57
[b87a5ed]	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
[51b7345]	62
[e24f13a]	63	string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
[b87a5ed]	64	string compiler_name; // name of C compiler
[51b7345]	65
[b87a5ed]	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
[de62360d]	74	bool std_flag = false; // -std= flag
[35f9114]	75	bool noincstd_flag = false; // -no-include-stdhdr= flag
[6e4b913]	76	bool debugging __attribute(( unused )) = false; // -g flag
[51b7345]	77
[b87a5ed]	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
[51b7345]	81
[b87a5ed]	82	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
	83	int nlibs = 0;
[51b7345]	84
	85	#ifdef __DEBUG_H__
[b87a5ed]	86	cerr << "CFA:" << endl;
[51b7345]	87	#endif // __DEBUG_H__
	88
[b87a5ed]	89	// process command-line arguments
[51b7345]	90
[b87a5ed]	91	for ( int i = 1; i < argc; i += 1 ) {
[51b7345]	92	#ifdef __DEBUG_H__
[b87a5ed]	93	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
[51b7345]	94	#endif // __DEBUG_H__
[b87a5ed]	95	arg = argv[i]; // convert to string value
[51b7345]	96	#ifdef __DEBUG_H__
[b87a5ed]	97	cerr << "arg:\"" << arg << "\"" << endl;
[51b7345]	98	#endif // __DEBUG_H__
[b87a5ed]	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
[35f9114]	133	} else if ( arg == "-no-include-stdhdr" ) {
	134	noincstd_flag = true; // strip the no-include-stdhdr flag
[b87a5ed]	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
[de62360d]	145	// C specific arguments
[b87a5ed]	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;
[de62360d]	155	} else if ( prefix( arg, "-std=" ) ) {
[53ba273]	156	std_flag = true; // -std=XX provided
[de62360d]	157	args[nargs] = argv[i]; // pass the argument along
	158	nargs += 1;
[b87a5ed]	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
[51b7345]	216
[b87a5ed]	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__
[51b7345]	224
[b87a5ed]	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
[51b7345]	229
[b87a5ed]	230	string d;
	231	if ( debug ) {
	232	d = "-d";
	233	} // if
[51b7345]	234
[6e4b913]	235	// add the CFA include-library paths, which allow direct access to header files without directory qualification
	236
[b87a5ed]	237	args[nargs] = "-I" CFA_INCDIR;
	238	nargs += 1;
[d0542c4]	239	if ( ! noincstd_flag ) { // do not use during build
	240	args[nargs] = "-I" CFA_INCDIR "/stdhdr";
	241	nargs += 1;
	242	} // if
[76c7f65e]	243	args[nargs] = "-I" CFA_INCDIR "/containers";
	244	nargs += 1;
	245
[b87a5ed]	246	if ( link ) {
	247	// include the cfa library in case it's needed
	248	args[nargs] = "-L" CFA_LIBDIR;
[51b7345]	249	nargs += 1;
[b87a5ed]	250	args[nargs] = "-lcfa";
[51b7345]	251	nargs += 1;
	252	} // if
	253
[b87a5ed]	254	// add the correct set of flags based on the type of compile this is
[8c17ab0]	255
[ec129c4]	256	args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
[51b7345]	257	nargs += 1;
[b87a5ed]	258	args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
[51b7345]	259	nargs += 1;
[ec129c4]	260	args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
[1db21619]	261	nargs += 1;
[4c82a3c]	262	args[nargs] = "-D__CFA__";
	263	nargs += 1;
	264	args[nargs] = "-D__CFORALL__";
[02e5ab6]	265	nargs += 1;
[51b7345]	266
[b87a5ed]	267	if ( cpp_flag ) {
	268	args[nargs] = "-D__CPP__";
	269	nargs += 1;
	270	} // if
[51b7345]	271
[b87a5ed]	272	if ( CFA_flag ) {
[4c82a3c]	273	args[nargs] = "-D__CFA_PREPROCESS_";
[b87a5ed]	274	nargs += 1;
	275	} // if
[51b7345]	276
[b87a5ed]	277	if ( debug ) {
	278	heading += " (debug)";
	279	args[nargs] = "-D__CFA_DEBUG__";
	280	nargs += 1;
	281	} else {
	282	heading += " (no debug)";
	283	} // if
[51b7345]	284
[b87a5ed]	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
[51b7345]	290
[b87a5ed]	291	// execute the compilation command
[51b7345]	292
[b87a5ed]	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
[51b7345]	301
[b87a5ed]	302	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
	303	args[nargs] = "-no-integrated-cpp";
	304	nargs += 1;
[76c7f65e]	305	args[nargs] = "-Wno-deprecated";
[b87a5ed]	306	nargs += 1;
[de62360d]	307	if ( ! std_flag ) { // default c99, if none specified
[53ba273]	308	args[nargs] = "-std=gnu99";
[de62360d]	309	nargs += 1;
	310	} // if
[76c7f65e]	311	args[nargs] = "-fgnu89-inline";
[6e991d6]	312	nargs += 1;
[b87a5ed]	313	args[nargs] = ( *new string( string("-B") + Bprefix + "/" ) ).c_str();
	314	nargs += 1;
[d3b7937]	315	args[nargs] = "-lm";
	316	nargs += 1;
[b87a5ed]	317	} else {
[e24f13a]	318	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
[b87a5ed]	319	exit( EXIT_FAILURE );
	320	} // if
[51b7345]	321
[b87a5ed]	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
[51b7345]	326
[b87a5ed]	327	args[nargs] = NULL; // terminate with NULL
[51b7345]	328
	329	#ifdef __DEBUG_H__
[b87a5ed]	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
[51b7345]	335	#endif // __DEBUG_H__
	336
[b87a5ed]	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
[51b7345]	349	} // if
	350
[b87a5ed]	351	if ( verbose ) {
	352	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
[51b7345]	353
[b87a5ed]	354	for ( int i = 0; args[i] != NULL; i += 1 ) {
	355	cerr << args[i] << " ";
	356	} // for
	357	cerr << endl;
	358	} // if
[51b7345]	359
[b87a5ed]	360	if ( ! nonoptarg ) {
	361	cerr << argv[0] << " error, no input files" << endl;
	362	exit( EXIT_FAILURE );
	363	} // if
[51b7345]	364
[b87a5ed]	365	// execute the command and return the result
[51b7345]	366
[b87a5ed]	367	execvp( args[0], (char const )args ); // should not return
	368	perror( "CFA Translator error: cfa level, execvp" );
	369	exit( EXIT_FAILURE );
[51b7345]	370	} // main
	371
	372	// Local Variables: //
[b87a5ed]	373	// tab-width: 4 //
	374	// mode: c++ //
[51b7345]	375	// compile-command: "make install" //
	376	// End: //

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