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source: src/driver/cfa.cc@ afd550c

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Last change on this file since afd550c was af39199d, checked in by Peter A. Buhr <pabuhr@…>, 7 years ago
add and use search routine
Property mode set to `100644`
File size: 14.4 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	//
[51b73452]	9	// Author : Peter A. Buhr
	10	// Created On : Tue Aug 20 13:44:49 2002
[201aeb9]	11	// Last Modified By : Peter A. Buhr
[af39199d]	12	// Last Modified On : Wed May 2 17:57:43 2018
	13	// Update Count : 224
[b87a5ed]	14	//
[51b73452]	15
	16	#include <iostream>
[b87a5ed]	17	#include <cstdio> // perror
	18	#include <cstdlib> // putenv, exit
	19	#include <unistd.h> // execvp
	20	#include <string> // STL version
[44bca7f]	21	#include <string.h> // strcmp
[51b73452]	22
[44bca7f]	23	#include "Common/SemanticError.h"
[b87a5ed]	24	#include "config.h" // configure info
[51b73452]	25
	26	using std::cerr;
	27	using std::endl;
	28	using std::string;
[47a8d17]	29	using std::to_string;
[51b73452]	30
	31
	32	//#define __DEBUG_H__
	33
	34
	35	bool prefix( string arg, string pre ) {
[b87a5ed]	36	return arg.substr( 0, pre.size() ) == pre;
[51b73452]	37	} // prefix
	38
	39
	40	void shuffle( const char *args[], int S, int E, int N ) {
[b87a5ed]	41	// S & E index 1 passed the end so adjust with -1
[51b73452]	42	#ifdef __DEBUG_H__
[b87a5ed]	43	cerr << "shuffle:" << S << " " << E << " " << N << endl;
[51b73452]	44	#endif // __DEBUG_H__
[b87a5ed]	45	for ( int j = E-1 + N; j > S-1 + N; j -=1 ) {
[51b73452]	46	#ifdef __DEBUG_H__
[b87a5ed]	47	cerr << "\t" << j << " " << j-N << endl;
[51b73452]	48	#endif // __DEBUG_H__
[b87a5ed]	49	args[j] = args[j-N];
	50	} // for
[51b73452]	51	} // shuffle
	52
	53
[4b1afb6]	54	#define str(s) #s
	55
[51b73452]	56	int main( int argc, char *argv[] ) {
[4b1afb6]	57	string Version( CFA_VERSION_LONG ); // current version number from CONFIG
	58	string Major( str( CFA_VERSION_MAJOR ) ), Minor( str( CFA_VERSION_MINOR ) ), Patch( str( CFA_VERSION_PATCH ) );
[51b73452]	59
[00cc023]	60	string installincdir( CFA_INCDIR ); // fixed location of include files
	61	string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands
[51b73452]	62
[b87a5ed]	63	string heading; // banner printed at start of cfa compilation
	64	string arg; // current command-line argument during command-line parsing
	65	string Bprefix; // path where gcc looks for compiler command steps
	66	string langstd; // language standard
[51b73452]	67
[e24f13a]	68	string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
[b87a5ed]	69	string compiler_name; // name of C compiler
[51b73452]	70
[b87a5ed]	71	bool nonoptarg = false; // indicates non-option argument specified
	72	bool link = true; // linking as well as compiling
	73	bool verbose = false; // -v flag
	74	bool quiet = false; // -quiet flag
	75	bool debug = true; // -debug flag
	76	bool help = false; // -help flag
	77	bool CFA_flag = false; // -CFA flag
	78	bool cpp_flag = false; // -E or -M flag, preprocessor only
[de62360d]	79	bool std_flag = false; // -std= flag
[d746bc8]	80	bool noincstd_flag = false; // -no-include-stdhdr= flag
[6e4b913]	81	bool debugging __attribute(( unused )) = false; // -g flag
[51b73452]	82
[b87a5ed]	83	const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
	84	int sargs = 1; // starting location for arguments in args list
	85	int nargs = sargs; // number of arguments in args list; 0 => command name
[51b73452]	86
[b87a5ed]	87	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
	88	int nlibs = 0;
[51b73452]	89
	90	#ifdef __DEBUG_H__
[b87a5ed]	91	cerr << "CFA:" << endl;
[51b73452]	92	#endif // __DEBUG_H__
	93
[b87a5ed]	94	// process command-line arguments
[51b73452]	95
[b87a5ed]	96	for ( int i = 1; i < argc; i += 1 ) {
[51b73452]	97	#ifdef __DEBUG_H__
[b87a5ed]	98	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
[51b73452]	99	#endif // __DEBUG_H__
[b87a5ed]	100	arg = argv[i]; // convert to string value
[51b73452]	101	#ifdef __DEBUG_H__
[b87a5ed]	102	cerr << "arg:\"" << arg << "\"" << endl;
[51b73452]	103	#endif // __DEBUG_H__
[b87a5ed]	104	if ( prefix( arg, "-" ) ) {
	105	// pass through arguments
	106
	107	if ( arg == "-Xlinker" \|\| arg == "-o" ) {
	108	args[nargs] = argv[i]; // pass the argument along
	109	nargs += 1;
	110	i += 1;
	111	if ( i == argc ) continue; // next argument available ?
	112	args[nargs] = argv[i]; // pass the argument along
	113	nargs += 1;
	114	} else if ( arg == "-XCFA" ) { // CFA pass through
	115	i += 1;
	116	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
	117	nargs += 1;
	118
	119	// CFA specific arguments
	120
	121	} else if ( arg == "-CFA" ) {
	122	CFA_flag = true; // strip the -CFA flag
	123	link = false;
	124	args[nargs] = "-E"; // replace the argument with -E
	125	nargs += 1;
	126	} else if ( arg == "-debug" ) {
	127	debug = true; // strip the debug flag
	128	} else if ( arg == "-nodebug" ) {
	129	debug = false; // strip the nodebug flag
	130	} else if ( arg == "-quiet" ) {
	131	quiet = true; // strip the quiet flag
	132	} else if ( arg == "-noquiet" ) {
	133	quiet = false; // strip the noquiet flag
	134	} else if ( arg == "-help" ) {
	135	help = true; // strip the help flag
	136	} else if ( arg == "-nohelp" ) {
	137	help = false; // strip the nohelp flag
[d746bc8]	138	} else if ( arg == "-no-include-stdhdr" ) {
	139	noincstd_flag = true; // strip the no-include-stdhdr flag
[b87a5ed]	140	} else if ( arg == "-compiler" ) {
	141	// use the user specified compiler
	142	i += 1;
	143	if ( i == argc ) continue; // next argument available ?
	144	compiler_path = argv[i];
	145	if ( putenv( (char )( new string( string( "__U_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
	146	cerr << argv[0] << " error, cannot set environment variable." << endl;
	147	exit( EXIT_FAILURE );
	148	} // if
	149
[de62360d]	150	// C specific arguments
[b87a5ed]	151
	152	} else if ( arg == "-v" ) {
	153	verbose = true; // verbosity required
	154	args[nargs] = argv[i]; // pass the argument along
	155	nargs += 1;
	156	} else if ( arg == "-g" ) {
	157	debugging = true; // symbolic debugging required
	158	args[nargs] = argv[i]; // pass the argument along
	159	nargs += 1;
[de62360d]	160	} else if ( prefix( arg, "-std=" ) ) {
[53ba273]	161	std_flag = true; // -std=XX provided
[de62360d]	162	args[nargs] = argv[i]; // pass the argument along
	163	nargs += 1;
[44bca7f]	164	} else if ( arg == "-w" ) {
	165	args[nargs] = argv[i]; // pass the argument along
	166	nargs += 1;
	167	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
	168	nargs += 1;
	169	} else if ( prefix( arg, "-W" ) ) { // check before next tests
	170	if ( arg == "-Werror" \|\| arg == "-Wall" ) {
	171	args[nargs] = argv[i]; // pass the argument along
	172	nargs += 1;
	173	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
	174	nargs += 1;
	175	} else {
	176	unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
	177	args[nargs] = argv[i]; // conditionally pass the argument along
[af39199d]	178	const char * warning = argv[i] + adv; // extract warning
	179	if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
	180	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str();
	181	} // if
[44bca7f]	182	nargs += 1;
	183	} // if
[b87a5ed]	184	} else if ( prefix( arg, "-B" ) ) {
	185	Bprefix = arg.substr(2); // strip the -B flag
	186	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
	187	nargs += 1;
	188	} else if ( prefix( arg, "-b" ) ) {
	189	if ( arg.length() == 2 ) { // separate argument ?
	190	i += 1;
	191	if ( i == argc ) continue; // next argument available ?
	192	arg += argv[i]; // concatenate argument
	193	} // if
	194	// later versions of gcc require the -b option to appear at the start of the command line
	195	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	196	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
	197	if ( putenv( (char )( new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
	198	cerr << argv[0] << " error, cannot set environment variable." << endl;
	199	exit( EXIT_FAILURE );
	200	} // if
	201	sargs += 1;
	202	nargs += 1;
	203	} else if ( prefix( arg, "-V" ) ) {
	204	if ( arg.length() == 2 ) { // separate argument ?
	205	i += 1;
	206	if ( i == argc ) continue; // next argument available ?
	207	arg += argv[i]; // concatenate argument
	208	} // if
	209	// later versions of gcc require the -V option to appear at the start of the command line
	210	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	211	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
	212	if ( putenv( (char )( new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
	213	cerr << argv[0] << " error, cannot set environment variable." << endl;
	214	exit( EXIT_FAILURE );
	215	} // if
	216	sargs += 1;
	217	nargs += 1;
	218	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	219	args[nargs] = argv[i]; // pass the argument along
	220	nargs += 1;
	221	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	222	cpp_flag = true; // cpp only
	223	} // if
	224	link = false; // no linkage required
	225	} else if ( arg[1] == 'l' ) {
	226	// if the user specifies a library, load it after user code
	227	libs[nlibs] = argv[i];
	228	nlibs += 1;
	229	} else {
	230	// concatenate any other arguments
	231	args[nargs] = argv[i];
	232	nargs += 1;
	233	} // if
	234	} else {
	235	// concatenate other arguments
	236	args[nargs] = argv[i];
	237	nargs += 1;
	238	nonoptarg = true;
	239	} // if
	240	} // for
[51b73452]	241
[b87a5ed]	242	#ifdef __DEBUG_H__
	243	cerr << "args:";
	244	for ( int i = 1; i < nargs; i += 1 ) {
	245	cerr << " " << args[i];
	246	} // for
	247	cerr << endl;
	248	#endif // __DEBUG_H__
[51b73452]	249
[b87a5ed]	250	if ( cpp_flag && CFA_flag ) {
	251	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
	252	exit( EXIT_FAILURE );
	253	} // if
[51b73452]	254
[6e4b913]	255	// add the CFA include-library paths, which allow direct access to header files without directory qualification
[b87a5ed]	256	args[nargs] = "-I" CFA_INCDIR;
	257	nargs += 1;
[d746bc8]	258	if ( ! noincstd_flag ) { // do not use during build
	259	args[nargs] = "-I" CFA_INCDIR "/stdhdr";
	260	nargs += 1;
	261	} // if
[0e76cf4f]	262	args[nargs] = "-I" CFA_INCDIR "/concurrency";
	263	nargs += 1;
[76c7f65e]	264	args[nargs] = "-I" CFA_INCDIR "/containers";
	265	nargs += 1;
	266
[0edebf8]	267	#ifdef HAVE_LIBCFA
[b87a5ed]	268	if ( link ) {
[0edebf8]	269	#if ! defined(HAVE_LIBCFA_RELEASE)
[ff2d7341]	270	if( !debug ) {
[44bca7f]	271	cerr << "error: Option -nodebug is unavailable, libcfa was not installed." << endl;
[0edebf8]	272	exit( EXIT_FAILURE );
	273	}
	274	#endif
	275	#if ! defined(HAVE_LIBCFA_DEBUG)
[ff2d7341]	276	if( debug ) {
[44bca7f]	277	cerr << "error: Option -debug is unavailable, libcfa-d was not installed." << endl;
[0edebf8]	278	exit( EXIT_FAILURE );
	279	}
	280	#endif
	281
[6bfe5cc]	282	args[nargs] = "-Xlinker";
	283	nargs += 1;
	284	args[nargs] = "--undefined=__cfaabi_dbg_bits_write";
	285	nargs += 1;
	286	args[nargs] = "-Xlinker";
	287	nargs += 1;
	288	args[nargs] = "--undefined=__cfaabi_interpose_startup";
	289	nargs += 1;
	290
[b87a5ed]	291	// include the cfa library in case it's needed
	292	args[nargs] = "-L" CFA_LIBDIR;
[51b73452]	293	nargs += 1;
[0edebf8]	294	if( debug ) {
	295	args[nargs] = "-lcfa-d";
	296	} else {
	297	args[nargs] = "-lcfa";
	298	}
[51b73452]	299	nargs += 1;
[63f78f0]	300	args[nargs] = "-lpthread";
	301	nargs += 1;
[9d944b2]	302	args[nargs] = "-ldl";
	303	nargs += 1;
[c5ac6d5]	304	args[nargs] = "-lrt";
	305	nargs += 1;
[51b73452]	306	} // if
[6bfe5cc]	307	#endif // HAVE_LIBCFA
[51b73452]	308
[e9145a3]	309	// Add exception flags (unconditionally)
	310	args[nargs] = "-fexceptions";
	311	nargs += 1;
	312
[b87a5ed]	313	// add the correct set of flags based on the type of compile this is
[8c17ab0]	314
[ec129c4]	315	args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
[51b73452]	316	nargs += 1;
[b87a5ed]	317	args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
[51b73452]	318	nargs += 1;
[ec129c4]	319	args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
[1db21619]	320	nargs += 1;
[4c82a3c]	321	args[nargs] = "-D__CFA__";
	322	nargs += 1;
	323	args[nargs] = "-D__CFORALL__";
[02e5ab6]	324	nargs += 1;
[6acb935]	325	args[nargs] = "-D__cforall";
	326	nargs += 1;
[51b73452]	327
[b87a5ed]	328	if ( cpp_flag ) {
	329	args[nargs] = "-D__CPP__";
	330	nargs += 1;
	331	} // if
[51b73452]	332
[fa477f7]	333	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	334	nargs += 1;
[b87a5ed]	335	if ( CFA_flag ) {
[fa477f7]	336	args[sargs] = "-D__CFA_FLAG__=-N";
[4c82a3c]	337	args[nargs] = "-D__CFA_PREPROCESS_";
[b87a5ed]	338	nargs += 1;
[fa477f7]	339	} else {
	340	args[sargs] = "-D__CFA_FLAG__=-L";
[b87a5ed]	341	} // if
[fa477f7]	342	sargs += 1;
[51b73452]	343
[b87a5ed]	344	if ( debug ) {
	345	heading += " (debug)";
	346	args[nargs] = "-D__CFA_DEBUG__";
	347	nargs += 1;
	348	} else {
	349	heading += " (no debug)";
	350	} // if
[51b73452]	351
[b87a5ed]	352	if ( Bprefix.length() == 0 ) {
	353	Bprefix = installlibdir;
	354	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
	355	nargs += 1;
	356	} // if
[51b73452]	357
[6bfe5cc]	358	args[nargs] = "-Xlinker"; // used by backtrace
	359	nargs += 1;
	360	args[nargs] = "-export-dynamic";
	361	nargs += 1;
	362
[b87a5ed]	363	// execute the compilation command
[51b73452]	364
[b87a5ed]	365	args[0] = compiler_path.c_str(); // set compiler command for exec
	366	// find actual name of the compiler independent of the path to it
	367	int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
	368	if ( p == -1 ) {
	369	compiler_name = compiler_path;
	370	} else {
	371	compiler_name = *new string( compiler_path.substr( p + 1 ) );
	372	} // if
[51b73452]	373
[b87a5ed]	374	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
	375	args[nargs] = "-no-integrated-cpp";
	376	nargs += 1;
[76c7f65e]	377	args[nargs] = "-Wno-deprecated";
[b87a5ed]	378	nargs += 1;
[de62360d]	379	if ( ! std_flag ) { // default c99, if none specified
[53ba273]	380	args[nargs] = "-std=gnu99";
[de62360d]	381	nargs += 1;
	382	} // if
[76c7f65e]	383	args[nargs] = "-fgnu89-inline";
[6e991d6]	384	nargs += 1;
[201aeb9]	385	args[nargs] = "-D__int8_t_defined"; // prevent gcc type-size attributes
	386	nargs += 1;
[b87a5ed]	387	args[nargs] = ( *new string( string("-B") + Bprefix + "/" ) ).c_str();
	388	nargs += 1;
[d3b7937]	389	args[nargs] = "-lm";
	390	nargs += 1;
[b87a5ed]	391	} else {
[e24f13a]	392	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
[b87a5ed]	393	exit( EXIT_FAILURE );
	394	} // if
[51b73452]	395
[b87a5ed]	396	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
	397	args[nargs] = libs[i];
	398	nargs += 1;
	399	} // for
[51b73452]	400
[b87a5ed]	401	args[nargs] = NULL; // terminate with NULL
[51b73452]	402
	403	#ifdef __DEBUG_H__
[b87a5ed]	404	cerr << "nargs: " << nargs << endl;
	405	cerr << "args:" << endl;
	406	for ( int i = 0; args[i] != NULL; i += 1 ) {
	407	cerr << " \"" << args[i] << "\"" << endl;
	408	} // for
[51b73452]	409	#endif // __DEBUG_H__
	410
[b87a5ed]	411	if ( ! quiet ) {
	412	cerr << "CFA " << "Version " << Version << heading << endl;
	413
	414	if ( help ) {
	415	cerr <<
	416	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
	417	"-help\t\t\t: print this help message" << endl <<
	418	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
	419	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
	420	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
	421	"...\t\t\t: any other " << compiler_name << " flags" << endl;
	422	} // if
[51b73452]	423	} // if
	424
[b87a5ed]	425	if ( verbose ) {
	426	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
[51b73452]	427
[b87a5ed]	428	for ( int i = 0; args[i] != NULL; i += 1 ) {
	429	cerr << args[i] << " ";
	430	} // for
	431	cerr << endl;
	432	} // if
[51b73452]	433
[b87a5ed]	434	if ( ! nonoptarg ) {
	435	cerr << argv[0] << " error, no input files" << endl;
	436	exit( EXIT_FAILURE );
	437	} // if
[51b73452]	438
[b87a5ed]	439	// execute the command and return the result
[51b73452]	440
[b87a5ed]	441	execvp( args[0], (char const )args ); // should not return
	442	perror( "CFA Translator error: cfa level, execvp" );
	443	exit( EXIT_FAILURE );
[51b73452]	444	} // main
	445
	446	// Local Variables: //
[b87a5ed]	447	// tab-width: 4 //
	448	// mode: c++ //
[51b73452]	449	// compile-command: "make install" //
	450	// End: //

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