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source: src/driver/cfa.cc @ 01414f1

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsctordeferred_resndemanglerenumforall-pointer-decaygc_noraiijacob/cs343-translationjenkins-sandboxmemorynew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newstringwith_gc

Last change on this file since 01414f1 was 1db21619, checked in by Peter A. Buhr <pabuhr@…>, 9 years ago
add CFA flag, remove -p from cc1, typedef on functions become function declarations, move isInline/isNoreturn to Declaration, cleaned up label code
Property mode set to `100644`
File size: 11.8 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	//
[51b7345]	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
[1db21619]	12	// Last Modified On : Thu Jul 16 17:09:23 2015
	13	// Update Count : 124
[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
	53	string Major( "0" ), Minor( "0" ), Patch( "0" ); // default version numbers
[1db21619]	54
[b87a5ed]	55	int posn1 = Version.find( "." ); // find the divider between major and minor version numbers
	56	if ( posn1 == -1 ) { // not there ?
	57	Major = Version;
[51b7345]	58	} else {
[b87a5ed]	59	Major = Version.substr( 0, posn1 );
	60	int posn2 = Version.find( ".", posn1 + 1 ); // find the divider between minor and patch numbers
	61	if ( posn2 == -1 ) { // not there ?
	62	Minor = Version.substr( posn1 );
	63	} else {
	64	Minor = Version.substr( posn1 + 1, posn2 - posn1 - 1 );
	65	Patch = Version.substr( posn2 + 1 );
	66	} // if
[51b7345]	67	} // if
	68
[00cc023]	69	string installincdir( CFA_INCDIR ); // fixed location of include files
	70	string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands
[51b7345]	71
[b87a5ed]	72	string heading; // banner printed at start of cfa compilation
	73	string arg; // current command-line argument during command-line parsing
	74	string Bprefix; // path where gcc looks for compiler command steps
	75	string langstd; // language standard
[51b7345]	76
[b87a5ed]	77	string compiler_path( GCC_PATH ); // path/name of C compiler
	78	string compiler_name; // name of C compiler
[51b7345]	79
[b87a5ed]	80	bool nonoptarg = false; // indicates non-option argument specified
	81	bool link = true; // linking as well as compiling
	82	bool verbose = false; // -v flag
	83	bool quiet = false; // -quiet flag
	84	bool debug = true; // -debug flag
	85	bool help = false; // -help flag
	86	bool CFA_flag = false; // -CFA flag
	87	bool cpp_flag = false; // -E or -M flag, preprocessor only
[de62360d]	88	bool std_flag = false; // -std= flag
[b87a5ed]	89	bool debugging = false; // -g flag
[51b7345]	90
[b87a5ed]	91	const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
	92	int sargs = 1; // starting location for arguments in args list
	93	int nargs = sargs; // number of arguments in args list; 0 => command name
[51b7345]	94
[b87a5ed]	95	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
	96	int nlibs = 0;
[51b7345]	97
	98	#ifdef __DEBUG_H__
[b87a5ed]	99	cerr << "CFA:" << endl;
[51b7345]	100	#endif // __DEBUG_H__
	101
[b87a5ed]	102	// process command-line arguments
[51b7345]	103
[b87a5ed]	104	for ( int i = 1; i < argc; i += 1 ) {
[51b7345]	105	#ifdef __DEBUG_H__
[b87a5ed]	106	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
[51b7345]	107	#endif // __DEBUG_H__
[b87a5ed]	108	arg = argv[i]; // convert to string value
[51b7345]	109	#ifdef __DEBUG_H__
[b87a5ed]	110	cerr << "arg:\"" << arg << "\"" << endl;
[51b7345]	111	#endif // __DEBUG_H__
[b87a5ed]	112	if ( prefix( arg, "-" ) ) {
	113	// pass through arguments
	114
	115	if ( arg == "-Xlinker" \|\| arg == "-o" ) {
	116	args[nargs] = argv[i]; // pass the argument along
	117	nargs += 1;
	118	i += 1;
	119	if ( i == argc ) continue; // next argument available ?
	120	args[nargs] = argv[i]; // pass the argument along
	121	nargs += 1;
	122	} else if ( arg == "-XCFA" ) { // CFA pass through
	123	i += 1;
	124	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
	125	nargs += 1;
	126
	127	// CFA specific arguments
	128
	129	} else if ( arg == "-CFA" ) {
	130	CFA_flag = true; // strip the -CFA flag
	131	link = false;
	132	args[nargs] = "-E"; // replace the argument with -E
	133	nargs += 1;
	134	} else if ( arg == "-debug" ) {
	135	debug = true; // strip the debug flag
	136	} else if ( arg == "-nodebug" ) {
	137	debug = false; // strip the nodebug flag
	138	} else if ( arg == "-quiet" ) {
	139	quiet = true; // strip the quiet flag
	140	} else if ( arg == "-noquiet" ) {
	141	quiet = false; // strip the noquiet flag
	142	} else if ( arg == "-help" ) {
	143	help = true; // strip the help flag
	144	} else if ( arg == "-nohelp" ) {
	145	help = false; // strip the nohelp flag
	146	} else if ( arg == "-compiler" ) {
	147	// use the user specified compiler
	148	i += 1;
	149	if ( i == argc ) continue; // next argument available ?
	150	compiler_path = argv[i];
	151	if ( putenv( (char )( new string( string( "__U_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
	152	cerr << argv[0] << " error, cannot set environment variable." << endl;
	153	exit( EXIT_FAILURE );
	154	} // if
	155
[de62360d]	156	// C specific arguments
[b87a5ed]	157
	158	} else if ( arg == "-v" ) {
	159	verbose = true; // verbosity required
	160	args[nargs] = argv[i]; // pass the argument along
	161	nargs += 1;
	162	} else if ( arg == "-g" ) {
	163	debugging = true; // symbolic debugging required
	164	args[nargs] = argv[i]; // pass the argument along
	165	nargs += 1;
[de62360d]	166	} else if ( prefix( arg, "-std=" ) ) {
	167	std_flag = true; // std=XX provided
	168	args[nargs] = argv[i]; // pass the argument along
	169	nargs += 1;
[b87a5ed]	170	} else if ( prefix( arg, "-B" ) ) {
	171	Bprefix = arg.substr(2); // strip the -B flag
	172	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
	173	nargs += 1;
	174	} else if ( prefix( arg, "-b" ) ) {
	175	if ( arg.length() == 2 ) { // separate argument ?
	176	i += 1;
	177	if ( i == argc ) continue; // next argument available ?
	178	arg += argv[i]; // concatenate argument
	179	} // if
	180	// later versions of gcc require the -b option to appear at the start of the command line
	181	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	182	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
	183	if ( putenv( (char )( new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
	184	cerr << argv[0] << " error, cannot set environment variable." << endl;
	185	exit( EXIT_FAILURE );
	186	} // if
	187	sargs += 1;
	188	nargs += 1;
	189	} else if ( prefix( arg, "-V" ) ) {
	190	if ( arg.length() == 2 ) { // separate argument ?
	191	i += 1;
	192	if ( i == argc ) continue; // next argument available ?
	193	arg += argv[i]; // concatenate argument
	194	} // if
	195	// later versions of gcc require the -V option to appear at the start of the command line
	196	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	197	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
	198	if ( putenv( (char )( new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
	199	cerr << argv[0] << " error, cannot set environment variable." << endl;
	200	exit( EXIT_FAILURE );
	201	} // if
	202	sargs += 1;
	203	nargs += 1;
	204	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	205	args[nargs] = argv[i]; // pass the argument along
	206	nargs += 1;
	207	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	208	cpp_flag = true; // cpp only
	209	} // if
	210	link = false; // no linkage required
	211	} else if ( arg[1] == 'l' ) {
	212	// if the user specifies a library, load it after user code
	213	libs[nlibs] = argv[i];
	214	nlibs += 1;
	215	} else {
	216	// concatenate any other arguments
	217	args[nargs] = argv[i];
	218	nargs += 1;
	219	} // if
	220	} else {
	221	// concatenate other arguments
	222	args[nargs] = argv[i];
	223	nargs += 1;
	224	nonoptarg = true;
	225	} // if
	226	} // for
[51b7345]	227
[b87a5ed]	228	#ifdef __DEBUG_H__
	229	cerr << "args:";
	230	for ( int i = 1; i < nargs; i += 1 ) {
	231	cerr << " " << args[i];
	232	} // for
	233	cerr << endl;
	234	#endif // __DEBUG_H__
[51b7345]	235
[b87a5ed]	236	if ( cpp_flag && CFA_flag ) {
	237	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
	238	exit( EXIT_FAILURE );
	239	} // if
[51b7345]	240
[b87a5ed]	241	string d;
	242	if ( debug ) {
	243	d = "-d";
	244	} // if
[51b7345]	245
[b87a5ed]	246	args[nargs] = "-I" CFA_INCDIR;
	247	nargs += 1;
[51b7345]	248
[b87a5ed]	249	if ( link ) {
	250	// include the cfa library in case it's needed
	251	args[nargs] = "-L" CFA_LIBDIR;
[51b7345]	252	nargs += 1;
[b87a5ed]	253	args[nargs] = "-lcfa";
[51b7345]	254	nargs += 1;
	255	} // if
	256
[b87a5ed]	257	// add the correct set of flags based on the type of compile this is
[8c17ab0]	258
[1db21619]	259	args[nargs] = ( *new string( string("-D__CFA__=") + Major ) ).c_str();
[51b7345]	260	nargs += 1;
[b87a5ed]	261	args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
[51b7345]	262	nargs += 1;
[1db21619]	263	args[nargs] = ( *new string( string("-D__CFA_PATCHLEVEL__=") + Patch ) ).c_str();
	264	nargs += 1;
[51b7345]	265
[b87a5ed]	266	if ( cpp_flag ) {
	267	args[nargs] = "-D__CPP__";
	268	nargs += 1;
	269	} // if
[51b7345]	270
[b87a5ed]	271	if ( CFA_flag ) {
	272	args[nargs] = "-D__CFA__";
	273	nargs += 1;
	274	} // if
[51b7345]	275
[b87a5ed]	276	if ( debug ) {
	277	heading += " (debug)";
	278	args[nargs] = "-D__CFA_DEBUG__";
	279	nargs += 1;
	280	} else {
	281	heading += " (no debug)";
	282	} // if
[51b7345]	283
[b87a5ed]	284	if ( Bprefix.length() == 0 ) {
	285	Bprefix = installlibdir;
	286	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
	287	nargs += 1;
	288	} // if
[51b7345]	289
[b87a5ed]	290	// execute the compilation command
[51b7345]	291
[b87a5ed]	292	args[0] = compiler_path.c_str(); // set compiler command for exec
	293	// find actual name of the compiler independent of the path to it
	294	int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
	295	if ( p == -1 ) {
	296	compiler_name = compiler_path;
	297	} else {
	298	compiler_name = *new string( compiler_path.substr( p + 1 ) );
	299	} // if
[51b7345]	300
[b87a5ed]	301	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
	302	args[nargs] = "-no-integrated-cpp";
	303	nargs += 1;
	304	args[nargs] = "-Wno-deprecated";
	305	nargs += 1;
[de62360d]	306	if ( ! std_flag ) { // default c99, if none specified
	307	args[nargs] = "-std=c99";
	308	nargs += 1;
	309	} // if
[b87a5ed]	310	args[nargs] = ( *new string( string("-B") + Bprefix + "/" ) ).c_str();
	311	nargs += 1;
	312	} else {
	313	cerr << argv[0] << " error, compiler " << compiler_name << " not supported." << endl;
	314	exit( EXIT_FAILURE );
	315	} // if
[51b7345]	316
[b87a5ed]	317	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
	318	args[nargs] = libs[i];
	319	nargs += 1;
	320	} // for
[51b7345]	321
[b87a5ed]	322	args[nargs] = NULL; // terminate with NULL
[51b7345]	323
	324	#ifdef __DEBUG_H__
[b87a5ed]	325	cerr << "nargs: " << nargs << endl;
	326	cerr << "args:" << endl;
	327	for ( int i = 0; args[i] != NULL; i += 1 ) {
	328	cerr << " \"" << args[i] << "\"" << endl;
	329	} // for
[51b7345]	330	#endif // __DEBUG_H__
	331
[b87a5ed]	332	if ( ! quiet ) {
	333	cerr << "CFA " << "Version " << Version << heading << endl;
	334
	335	if ( help ) {
	336	cerr <<
	337	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
	338	"-help\t\t\t: print this help message" << endl <<
	339	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
	340	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
	341	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
	342	"...\t\t\t: any other " << compiler_name << " flags" << endl;
	343	} // if
[51b7345]	344	} // if
	345
[b87a5ed]	346	if ( verbose ) {
	347	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
[51b7345]	348
[b87a5ed]	349	for ( int i = 0; args[i] != NULL; i += 1 ) {
	350	cerr << args[i] << " ";
	351	} // for
	352	cerr << endl;
	353	} // if
[51b7345]	354
[b87a5ed]	355	if ( ! nonoptarg ) {
	356	cerr << argv[0] << " error, no input files" << endl;
	357	exit( EXIT_FAILURE );
	358	} // if
[51b7345]	359
[b87a5ed]	360	// execute the command and return the result
[51b7345]	361
[b87a5ed]	362	execvp( args[0], (char const )args ); // should not return
	363	perror( "CFA Translator error: cfa level, execvp" );
	364	exit( EXIT_FAILURE );
[51b7345]	365	} // main
	366
	367	// Local Variables: //
[b87a5ed]	368	// tab-width: 4 //
	369	// mode: c++ //
[51b7345]	370	// compile-command: "make install" //
	371	// End: //

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