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source: src/driver/cfa.cc @ 7823bf0

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Last change on this file since 7823bf0 was a362f97, checked in by Peter A. Buhr <pabuhr@…>, 8 years ago
Merge branch 'master' of plg2:software/cfa/cfa-cc
Property mode set to `100644`
File size: 12.6 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
[6acb935]	12	// Last Modified On : Fri Jan 20 14:38:45 2017
	13	// Update Count : 155
[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;
[47a8d17]	27	using std::to_string;
[51b7345]	28
	29
	30	//#define __DEBUG_H__
	31
	32
	33	bool prefix( string arg, string pre ) {
[b87a5ed]	34	return arg.substr( 0, pre.size() ) == pre;
[51b7345]	35	} // prefix
	36
	37
	38	void shuffle( const char *args[], int S, int E, int N ) {
[b87a5ed]	39	// S & E index 1 passed the end so adjust with -1
[51b7345]	40	#ifdef __DEBUG_H__
[b87a5ed]	41	cerr << "shuffle:" << S << " " << E << " " << N << endl;
[51b7345]	42	#endif // __DEBUG_H__
[b87a5ed]	43	for ( int j = E-1 + N; j > S-1 + N; j -=1 ) {
[51b7345]	44	#ifdef __DEBUG_H__
[b87a5ed]	45	cerr << "\t" << j << " " << j-N << endl;
[51b7345]	46	#endif // __DEBUG_H__
[b87a5ed]	47	args[j] = args[j-N];
	48	} // for
[51b7345]	49	} // shuffle
	50
	51
[4b1afb6]	52	#define str(s) #s
	53
[51b7345]	54	int main( int argc, char *argv[] ) {
[4b1afb6]	55	string Version( CFA_VERSION_LONG ); // current version number from CONFIG
	56	string Major( str( CFA_VERSION_MAJOR ) ), Minor( str( CFA_VERSION_MINOR ) ), Patch( str( CFA_VERSION_PATCH ) );
[51b7345]	57
[00cc023]	58	string installincdir( CFA_INCDIR ); // fixed location of include files
	59	string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands
[51b7345]	60
[b87a5ed]	61	string heading; // banner printed at start of cfa compilation
	62	string arg; // current command-line argument during command-line parsing
	63	string Bprefix; // path where gcc looks for compiler command steps
	64	string langstd; // language standard
[51b7345]	65
[e24f13a]	66	string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
[b87a5ed]	67	string compiler_name; // name of C compiler
[51b7345]	68
[b87a5ed]	69	bool nonoptarg = false; // indicates non-option argument specified
	70	bool link = true; // linking as well as compiling
	71	bool verbose = false; // -v flag
	72	bool quiet = false; // -quiet flag
	73	bool debug = true; // -debug flag
	74	bool help = false; // -help flag
	75	bool CFA_flag = false; // -CFA flag
	76	bool cpp_flag = false; // -E or -M flag, preprocessor only
[de62360d]	77	bool std_flag = false; // -std= flag
[35f9114]	78	bool noincstd_flag = false; // -no-include-stdhdr= flag
[6e4b913]	79	bool debugging __attribute(( unused )) = false; // -g flag
[51b7345]	80
[b87a5ed]	81	const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
	82	int sargs = 1; // starting location for arguments in args list
	83	int nargs = sargs; // number of arguments in args list; 0 => command name
[51b7345]	84
[b87a5ed]	85	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
	86	int nlibs = 0;
[51b7345]	87
	88	#ifdef __DEBUG_H__
[b87a5ed]	89	cerr << "CFA:" << endl;
[51b7345]	90	#endif // __DEBUG_H__
	91
[b87a5ed]	92	// process command-line arguments
[51b7345]	93
[b87a5ed]	94	for ( int i = 1; i < argc; i += 1 ) {
[51b7345]	95	#ifdef __DEBUG_H__
[b87a5ed]	96	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
[51b7345]	97	#endif // __DEBUG_H__
[b87a5ed]	98	arg = argv[i]; // convert to string value
[51b7345]	99	#ifdef __DEBUG_H__
[b87a5ed]	100	cerr << "arg:\"" << arg << "\"" << endl;
[51b7345]	101	#endif // __DEBUG_H__
[b87a5ed]	102	if ( prefix( arg, "-" ) ) {
	103	// pass through arguments
	104
	105	if ( arg == "-Xlinker" \|\| arg == "-o" ) {
	106	args[nargs] = argv[i]; // pass the argument along
	107	nargs += 1;
	108	i += 1;
	109	if ( i == argc ) continue; // next argument available ?
	110	args[nargs] = argv[i]; // pass the argument along
	111	nargs += 1;
	112	} else if ( arg == "-XCFA" ) { // CFA pass through
	113	i += 1;
	114	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
	115	nargs += 1;
	116
	117	// CFA specific arguments
	118
	119	} else if ( arg == "-CFA" ) {
	120	CFA_flag = true; // strip the -CFA flag
	121	link = false;
	122	args[nargs] = "-E"; // replace the argument with -E
	123	nargs += 1;
	124	} else if ( arg == "-debug" ) {
	125	debug = true; // strip the debug flag
	126	} else if ( arg == "-nodebug" ) {
	127	debug = false; // strip the nodebug flag
	128	} else if ( arg == "-quiet" ) {
	129	quiet = true; // strip the quiet flag
	130	} else if ( arg == "-noquiet" ) {
	131	quiet = false; // strip the noquiet flag
	132	} else if ( arg == "-help" ) {
	133	help = true; // strip the help flag
	134	} else if ( arg == "-nohelp" ) {
	135	help = false; // strip the nohelp flag
[35f9114]	136	} else if ( arg == "-no-include-stdhdr" ) {
	137	noincstd_flag = true; // strip the no-include-stdhdr flag
[b87a5ed]	138	} else if ( arg == "-compiler" ) {
	139	// use the user specified compiler
	140	i += 1;
	141	if ( i == argc ) continue; // next argument available ?
	142	compiler_path = argv[i];
	143	if ( putenv( (char )( new string( string( "__U_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
	144	cerr << argv[0] << " error, cannot set environment variable." << endl;
	145	exit( EXIT_FAILURE );
	146	} // if
	147
[de62360d]	148	// C specific arguments
[b87a5ed]	149
	150	} else if ( arg == "-v" ) {
	151	verbose = true; // verbosity required
	152	args[nargs] = argv[i]; // pass the argument along
	153	nargs += 1;
	154	} else if ( arg == "-g" ) {
	155	debugging = true; // symbolic debugging required
	156	args[nargs] = argv[i]; // pass the argument along
	157	nargs += 1;
[de62360d]	158	} else if ( prefix( arg, "-std=" ) ) {
[53ba273]	159	std_flag = true; // -std=XX provided
[de62360d]	160	args[nargs] = argv[i]; // pass the argument along
	161	nargs += 1;
[b87a5ed]	162	} else if ( prefix( arg, "-B" ) ) {
	163	Bprefix = arg.substr(2); // strip the -B flag
	164	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
	165	nargs += 1;
	166	} else if ( prefix( arg, "-b" ) ) {
	167	if ( arg.length() == 2 ) { // separate argument ?
	168	i += 1;
	169	if ( i == argc ) continue; // next argument available ?
	170	arg += argv[i]; // concatenate argument
	171	} // if
	172	// later versions of gcc require the -b option to appear at the start of the command line
	173	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	174	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
	175	if ( putenv( (char )( new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
	176	cerr << argv[0] << " error, cannot set environment variable." << endl;
	177	exit( EXIT_FAILURE );
	178	} // if
	179	sargs += 1;
	180	nargs += 1;
	181	} else if ( prefix( arg, "-V" ) ) {
	182	if ( arg.length() == 2 ) { // separate argument ?
	183	i += 1;
	184	if ( i == argc ) continue; // next argument available ?
	185	arg += argv[i]; // concatenate argument
	186	} // if
	187	// later versions of gcc require the -V option to appear at the start of the command line
	188	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	189	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
	190	if ( putenv( (char )( new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
	191	cerr << argv[0] << " error, cannot set environment variable." << endl;
	192	exit( EXIT_FAILURE );
	193	} // if
	194	sargs += 1;
	195	nargs += 1;
	196	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	197	args[nargs] = argv[i]; // pass the argument along
	198	nargs += 1;
	199	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	200	cpp_flag = true; // cpp only
	201	} // if
	202	link = false; // no linkage required
	203	} else if ( arg[1] == 'l' ) {
	204	// if the user specifies a library, load it after user code
	205	libs[nlibs] = argv[i];
	206	nlibs += 1;
	207	} else {
	208	// concatenate any other arguments
	209	args[nargs] = argv[i];
	210	nargs += 1;
	211	} // if
	212	} else {
	213	// concatenate other arguments
	214	args[nargs] = argv[i];
	215	nargs += 1;
	216	nonoptarg = true;
	217	} // if
	218	} // for
[51b7345]	219
[b87a5ed]	220	#ifdef __DEBUG_H__
	221	cerr << "args:";
	222	for ( int i = 1; i < nargs; i += 1 ) {
	223	cerr << " " << args[i];
	224	} // for
	225	cerr << endl;
	226	#endif // __DEBUG_H__
[51b7345]	227
[b87a5ed]	228	if ( cpp_flag && CFA_flag ) {
	229	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
	230	exit( EXIT_FAILURE );
	231	} // if
[51b7345]	232
[6e4b913]	233	// add the CFA include-library paths, which allow direct access to header files without directory qualification
[b87a5ed]	234	args[nargs] = "-I" CFA_INCDIR;
	235	nargs += 1;
[d0542c4]	236	if ( ! noincstd_flag ) { // do not use during build
	237	args[nargs] = "-I" CFA_INCDIR "/stdhdr";
	238	nargs += 1;
	239	} // if
[0e76cf4f]	240	args[nargs] = "-I" CFA_INCDIR "/concurrency";
	241	nargs += 1;
[76c7f65e]	242	args[nargs] = "-I" CFA_INCDIR "/containers";
	243	nargs += 1;
	244
[0edebf8]	245	#ifdef HAVE_LIBCFA
[b87a5ed]	246	if ( link ) {
[0edebf8]	247	#if ! defined(HAVE_LIBCFA_RELEASE)
[ff2d7341]	248	if( !debug ) {
[0edebf8]	249	cerr << "error: Option -nodebug is not available, libcfa was not installed." << endl;
	250	exit( EXIT_FAILURE );
	251	}
	252	#endif
	253	#if ! defined(HAVE_LIBCFA_DEBUG)
[ff2d7341]	254	if( debug ) {
[0edebf8]	255	cerr << "error: Option -debug is not available, libcfa-d was not installed." << endl;
	256	exit( EXIT_FAILURE );
	257	}
	258	#endif
	259
[b87a5ed]	260	// include the cfa library in case it's needed
	261	args[nargs] = "-L" CFA_LIBDIR;
[51b7345]	262	nargs += 1;
[0edebf8]	263	if( debug ) {
	264	args[nargs] = "-lcfa-d";
	265	} else {
	266	args[nargs] = "-lcfa";
	267	}
[51b7345]	268	nargs += 1;
[63f78f0]	269	args[nargs] = "-lpthread";
	270	nargs += 1;
[51b7345]	271	} // if
[0edebf8]	272	#endif //HAVE_LIBCFA
[51b7345]	273
[b87a5ed]	274	// add the correct set of flags based on the type of compile this is
[8c17ab0]	275
[ec129c4]	276	args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
[51b7345]	277	nargs += 1;
[b87a5ed]	278	args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
[51b7345]	279	nargs += 1;
[ec129c4]	280	args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
[1db21619]	281	nargs += 1;
[4c82a3c]	282	args[nargs] = "-D__CFA__";
	283	nargs += 1;
	284	args[nargs] = "-D__CFORALL__";
[02e5ab6]	285	nargs += 1;
[6acb935]	286	args[nargs] = "-D__cforall";
	287	nargs += 1;
[51b7345]	288
[b87a5ed]	289	if ( cpp_flag ) {
	290	args[nargs] = "-D__CPP__";
	291	nargs += 1;
	292	} // if
[51b7345]	293
[b87a5ed]	294	if ( CFA_flag ) {
[4c82a3c]	295	args[nargs] = "-D__CFA_PREPROCESS_";
[b87a5ed]	296	nargs += 1;
	297	} // if
[51b7345]	298
[b87a5ed]	299	if ( debug ) {
	300	heading += " (debug)";
	301	args[nargs] = "-D__CFA_DEBUG__";
	302	nargs += 1;
	303	} else {
	304	heading += " (no debug)";
	305	} // if
[51b7345]	306
[b87a5ed]	307	if ( Bprefix.length() == 0 ) {
	308	Bprefix = installlibdir;
	309	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
	310	nargs += 1;
	311	} // if
[51b7345]	312
[b87a5ed]	313	// execute the compilation command
[51b7345]	314
[b87a5ed]	315	args[0] = compiler_path.c_str(); // set compiler command for exec
	316	// find actual name of the compiler independent of the path to it
	317	int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
	318	if ( p == -1 ) {
	319	compiler_name = compiler_path;
	320	} else {
	321	compiler_name = *new string( compiler_path.substr( p + 1 ) );
	322	} // if
[51b7345]	323
[b87a5ed]	324	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
	325	args[nargs] = "-no-integrated-cpp";
	326	nargs += 1;
[76c7f65e]	327	args[nargs] = "-Wno-deprecated";
[b87a5ed]	328	nargs += 1;
[de62360d]	329	if ( ! std_flag ) { // default c99, if none specified
[53ba273]	330	args[nargs] = "-std=gnu99";
[de62360d]	331	nargs += 1;
	332	} // if
[76c7f65e]	333	args[nargs] = "-fgnu89-inline";
[6e991d6]	334	nargs += 1;
[b87a5ed]	335	args[nargs] = ( *new string( string("-B") + Bprefix + "/" ) ).c_str();
	336	nargs += 1;
[d3b7937]	337	args[nargs] = "-lm";
	338	nargs += 1;
[b87a5ed]	339	} else {
[e24f13a]	340	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
[b87a5ed]	341	exit( EXIT_FAILURE );
	342	} // if
[51b7345]	343
[b87a5ed]	344	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
	345	args[nargs] = libs[i];
	346	nargs += 1;
	347	} // for
[51b7345]	348
[b87a5ed]	349	args[nargs] = NULL; // terminate with NULL
[51b7345]	350
	351	#ifdef __DEBUG_H__
[b87a5ed]	352	cerr << "nargs: " << nargs << endl;
	353	cerr << "args:" << endl;
	354	for ( int i = 0; args[i] != NULL; i += 1 ) {
	355	cerr << " \"" << args[i] << "\"" << endl;
	356	} // for
[51b7345]	357	#endif // __DEBUG_H__
	358
[b87a5ed]	359	if ( ! quiet ) {
	360	cerr << "CFA " << "Version " << Version << heading << endl;
	361
	362	if ( help ) {
	363	cerr <<
	364	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
	365	"-help\t\t\t: print this help message" << endl <<
	366	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
	367	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
	368	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
	369	"...\t\t\t: any other " << compiler_name << " flags" << endl;
	370	} // if
[51b7345]	371	} // if
	372
[b87a5ed]	373	if ( verbose ) {
	374	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
[51b7345]	375
[b87a5ed]	376	for ( int i = 0; args[i] != NULL; i += 1 ) {
	377	cerr << args[i] << " ";
	378	} // for
	379	cerr << endl;
	380	} // if
[51b7345]	381
[b87a5ed]	382	if ( ! nonoptarg ) {
	383	cerr << argv[0] << " error, no input files" << endl;
	384	exit( EXIT_FAILURE );
	385	} // if
[51b7345]	386
[b87a5ed]	387	// execute the command and return the result
[51b7345]	388
[b87a5ed]	389	execvp( args[0], (char const )args ); // should not return
	390	perror( "CFA Translator error: cfa level, execvp" );
	391	exit( EXIT_FAILURE );
[51b7345]	392	} // main
	393
	394	// Local Variables: //
[b87a5ed]	395	// tab-width: 4 //
	396	// mode: c++ //
[51b7345]	397	// compile-command: "make install" //
	398	// End: //

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