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source: src/main.cc @ e33f321

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc

Last change on this file since e33f321 was 66f8528, checked in by Rob Schluntz <rschlunt@…>, 7 years ago

Merge branch 'master' into tuples

Conflicts:

src/ResolvExpr/CommonType.cc
src/tests/.expect/32/extension.txt
src/tests/.expect/32/gccExtensions.txt
src/tests/.expect/64/declarationSpecifier.txt
src/tests/.expect/64/extension.txt
src/tests/.expect/64/gccExtensions.txt
src/tests/.expect/castError.txt
src/tests/Makefile.am

Property mode set to 100644

File size: 13.8 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	//
[71f4e4f]	7	// main.cc --
[b87a5ed]	8	//
[843054c2]	9	// Author : Richard C. Bilson
[b87a5ed]	10	// Created On : Fri May 15 23:12:02 2015
[dd51906]	11	// Last Modified By : Peter A. Buhr
[375a068]	12	// Last Modified On : Wed Dec 14 14:35:54 2016
	13	// Update Count : 436
[b87a5ed]	14	//
	15
[51b7345]	16	#include <iostream>
	17	#include <fstream>
[e6955b1]	18	#include <signal.h> // signal
	19	#include <getopt.h> // getopt
[0afffee]	20	#include <execinfo.h> // backtrace, backtrace_symbols
[e6955b1]	21	#include <cxxabi.h> // __cxa_demangle
[0afffee]	22	#include <cstring> // index
[e6955b1]	23
	24	using namespace std;
	25
[0da3e2c]	26	#include "Parser/lex.h"
	27	#include "Parser/parser.h"
	28	#include "Parser/TypedefTable.h"
[51b7345]	29	#include "GenPoly/Lvalue.h"
	30	#include "GenPoly/Specialize.h"
	31	#include "GenPoly/Box.h"
	32	#include "GenPoly/CopyParams.h"
[ea5daeb]	33	#include "GenPoly/InstantiateGeneric.h"
[51b7345]	34	#include "CodeGen/Generate.h"
	35	#include "CodeGen/FixNames.h"
	36	#include "ControlStruct/Mutate.h"
	37	#include "SymTab/Validate.h"
	38	#include "ResolvExpr/AlternativePrinter.h"
	39	#include "ResolvExpr/Resolver.h"
	40	#include "MakeLibCfa.h"
[a0fdbd5]	41	#include "InitTweak/GenInit.h"
[71f4e4f]	42	#include "InitTweak/FixInit.h"
[d3b7937]	43	#include "Common/UnimplementedError.h"
[51b7345]	44	#include "../config.h"
[6eb8948]	45	#include "Tuples/Tuples.h"
[51b7345]	46
	47	using namespace std;
	48
[e6955b1]	49	#define OPTPRINT(x) if ( errorp ) cerr << x << endl;
[81419b5]	50
[0da3e2c]	51
[8b7ee09]	52	LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]	53	TypedefTable typedefTable;
[cbaee0d]	54	DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]	55
[926af74]	56	extern int yydebug; // set for -g flag (Grammar)
[b87a5ed]	57	bool
	58	astp = false,
[de62360d]	59	bresolvep = false,
[fea7ca7]	60	bboxp = false,
[ca1c11f]	61	ctorinitp = false,
[b87a5ed]	62	exprp = false,
	63	expraltp = false,
	64	libcfap = false,
[de62360d]	65	nopreludep = false,
[1ab4ce2]	66	noprotop = false,
[de62360d]	67	parsep = false,
[b87a5ed]	68	resolvep = false, // used in AlternativeFinder
	69	symtabp = false,
[d3b7937]	70	treep = false,
[b87a5ed]	71	validp = false,
[de62360d]	72	errorp = false,
	73	codegenp = false;
[b87a5ed]	74
[926af74]	75	static void parse_cmdline( int argc, char argv[], const char & filename );
[8b7ee09]	76	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]	77	static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
	78
[0afffee]	79	static void backtrace( int start ) { // skip first N stack frames
[e6955b1]	80	enum { Frames = 50 };
	81	void * array[Frames];
[0afffee]	82	int size = ::backtrace( array, Frames );
	83	char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
	84
	85	*index( messages[0], '(' ) = '\0'; // find executable name
	86	cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]	87
[b542bfb]	88	// skip last 2 stack frames after main
	89	for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]	90	char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
	91	for ( char p = messages[i]; p; ++p ) { // find parantheses and +offset
[0afffee]	92	if ( *p == '(' ) {
[46f6134]	93	mangled_name = p;
[0afffee]	94	} else if ( *p == '+' ) {
[e6955b1]	95	offset_begin = p;
[0afffee]	96	} else if ( *p == ')' ) {
[e6955b1]	97	offset_end = p;
	98	break;
	99	} // if
	100	} // for
	101
	102	// if line contains symbol, attempt to demangle
[b542bfb]	103	int frameNo = i - start;
[e6955b1]	104	if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]	105	*mangled_name++ = '\0'; // delimit strings
[e6955b1]	106	*offset_begin++ = '\0';
	107	*offset_end++ = '\0';
	108
[0afffee]	109	int status;
[e6955b1]	110	char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]	111	// bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]	112	if ( status == 0 ) { // demangling successful ?
[b542bfb]	113	cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]	114	<< real_name << "+" << offset_begin << offset_end << endl;
	115	} else { // otherwise, output mangled name
[b542bfb]	116	cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]	117	<< mangled_name << "(/unknown/)+" << offset_begin << offset_end << endl;
[e6955b1]	118	} // if
[0afffee]	119
[e6955b1]	120	free( real_name );
	121	} else { // otherwise, print the whole line
[b542bfb]	122	cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]	123	} // if
	124	} // for
[b542bfb]	125
[e6955b1]	126	free( messages );
[b542bfb]	127	} // backtrace
	128
	129	void sigSegvBusHandler( int sig_num ) {
	130	cerr << "CFA runtime error program cfa-cpp terminated with "
	131	<< (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]	132	<< "." << endl;
[b542bfb]	133	backtrace( 2 ); // skip first 2 stack frames
[e6955b1]	134	exit( EXIT_FAILURE );
	135	} // sigSegvBusHandler
[0da3e2c]	136
[b542bfb]	137	void sigAbortHandler( int sig_num ) {
	138	backtrace( 6 ); // skip first 6 stack frames
	139	signal( SIGABRT, SIG_DFL); // reset default signal handler
	140	raise( SIGABRT ); // reraise SIGABRT
	141	} // sigAbortHandler
	142
	143
[cbaee0d]	144	int main( int argc, char * argv[] ) {
[3b8e52c]	145	FILE * input; // use FILE rather than istream because yyin is FILE
[e6955b1]	146	ostream *output = & cout;
[926af74]	147	const char *filename = nullptr;
[e6955b1]	148	list< Declaration * > translationUnit;
	149
	150	signal( SIGSEGV, sigSegvBusHandler );
	151	signal( SIGBUS, sigSegvBusHandler );
[b542bfb]	152	signal( SIGABRT, sigAbortHandler );
[b87a5ed]	153
[0da3e2c]	154	parse_cmdline( argc, argv, filename ); // process command-line arguments
[b87a5ed]	155
	156	try {
[81419b5]	157	// choose to read the program from a file or stdin
[3b8e52c]	158	if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]	159	input = fopen( argv[ optind ], "r" );
[3b8e52c]	160	assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162]	161	// if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]	162	if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]	163	// prelude filename comes in differently
	164	if ( libcfap ) filename = "prelude.cf";
[b87a5ed]	165	optind += 1;
[3b8e52c]	166	} else { // no input file name
[b87a5ed]	167	input = stdin;
[2a7e29b]	168	// if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
	169	// a fake name along
[926af74]	170	if ( filename == nullptr ) filename = "stdin";
[b87a5ed]	171	} // if
	172
[3b8e52c]	173	if ( optind < argc ) { // any commands after the flags and input file ? => output file name
[b87a5ed]	174	output = new ofstream( argv[ optind ] );
	175	} // if
[71f4e4f]	176
[159c62e]	177	// read in the builtins, extras, and the prelude
[de62360d]	178	if ( ! nopreludep ) { // include gcc builtins
[faf8857]	179	// -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[375a068]	180	FILE * builtins = fopen( libcfap \| treep ? "../prelude/builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
[3b8e52c]	181	assertf( builtins, "cannot open builtins.cf\n" );
[81419b5]	182	parse( builtins, LinkageSpec::Compiler );
	183
[159c62e]	184	// read the extra prelude in, if not generating the cfa library
[375a068]	185	FILE * extras = fopen( libcfap \| treep ? "../prelude/extras.cf" : CFA_LIBDIR "/extras.cf", "r" );
[3b8e52c]	186	assertf( extras, "cannot open extras.cf\n" );
[159c62e]	187	parse( extras, LinkageSpec::C );
	188
[81419b5]	189	if ( ! libcfap ) {
[faf8857]	190	// read the prelude in, if not generating the cfa library
[375a068]	191	FILE * prelude = fopen( treep ? "../prelude/prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
[3b8e52c]	192	assertf( prelude, "cannot open prelude.cf\n" );
[35304009]	193	parse( prelude, LinkageSpec::Intrinsic );
[b87a5ed]	194	} // if
	195	} // if
[81419b5]	196
[926af74]	197	parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]	198
[b87a5ed]	199	if ( parsep ) {
[e6955b1]	200	parseTree->printList( cout );
[0da3e2c]	201	delete parseTree;
[b87a5ed]	202	return 0;
	203	} // if
	204
[0da3e2c]	205	buildList( parseTree, translationUnit );
	206	delete parseTree;
[cbaee0d]	207	parseTree = nullptr;
[b87a5ed]	208
	209	if ( astp ) {
[1ab4ce2]	210	dump( translationUnit );
[b87a5ed]	211	return 0;
	212	} // if
	213
[839ccbb]	214	// add the assignment statement after the initialization of a type parameter
[81419b5]	215	OPTPRINT( "validate" )
	216	SymTab::validate( translationUnit, symtabp );
	217	if ( symtabp ) {
[46f6134]	218	deleteAll( translationUnit );
[b87a5ed]	219	return 0;
	220	} // if
	221
[81419b5]	222	if ( expraltp ) {
[e6955b1]	223	ResolvExpr::AlternativePrinter printer( cout );
[81419b5]	224	acceptAll( translationUnit, printer );
[b87a5ed]	225	return 0;
	226	} // if
	227
	228	if ( validp ) {
[1ab4ce2]	229	dump( translationUnit );
[b87a5ed]	230	return 0;
	231	} // if
	232
[81419b5]	233	OPTPRINT( "mutate" )
	234	ControlStruct::mutate( translationUnit );
[71f4e4f]	235	OPTPRINT( "fixNames" )
[81419b5]	236	CodeGen::fixNames( translationUnit );
[f1e012b]	237	OPTPRINT( "tweakInit" )
[a0fdbd5]	238	InitTweak::genInit( translationUnit );
[bf32bb8]	239	OPTPRINT( "expandMemberTuples" );
	240	Tuples::expandMemberTuples( translationUnit );
[81419b5]	241	if ( libcfap ) {
	242	// generate the bodies of cfa library functions
	243	LibCfa::makeLibCfa( translationUnit );
[b87a5ed]	244	} // if
	245
[de62360d]	246	if ( bresolvep ) {
[1ab4ce2]	247	dump( translationUnit );
[de62360d]	248	return 0;
	249	} // if
	250
[81419b5]	251	OPTPRINT( "resolve" )
[b87a5ed]	252	ResolvExpr::resolve( translationUnit );
[81419b5]	253	if ( exprp ) {
[1ab4ce2]	254	dump( translationUnit );
[ca1c11f]	255	return 0;
[926af74]	256	} // if
[81419b5]	257
[71f4e4f]	258	// fix ObjectDecl - replaces ConstructorInit nodes
[6cf27a07]	259	OPTPRINT( "fixInit" )
	260	InitTweak::fix( translationUnit, filename, libcfap \|\| treep );
[ca1c11f]	261	if ( ctorinitp ) {
	262	dump ( translationUnit );
	263	return 0;
[926af74]	264	} // if
[71f4e4f]	265
[141b786]	266	OPTPRINT( "expandUniqueExpr" ); // xxx - is this the right place for this? want to expand ASAP so that subsequent passes don't need to worry about double-visiting a unique expr - needs to go after InitTweak::fix so that copy constructed return declarations are reused
	267	Tuples::expandUniqueExpr( translationUnit );
[d9fa60a]	268	OPTPRINT( "expandTuples" ); // xxx - is this the right place for this?
	269	Tuples::expandTuples( translationUnit );
[141b786]	270
[ea5daeb]	271	OPTPRINT("instantiateGenerics")
	272	GenPoly::instantiateGeneric( translationUnit );
[81419b5]	273	OPTPRINT( "copyParams" );
[b87a5ed]	274	GenPoly::copyParams( translationUnit );
[81419b5]	275	OPTPRINT( "convertSpecializations" )
[698664b3]	276	GenPoly::convertSpecializations( translationUnit );
[81419b5]	277	OPTPRINT( "convertLvalue" )
[b87a5ed]	278	GenPoly::convertLvalue( translationUnit );
[fea7ca7]	279
	280	if ( bboxp ) {
	281	dump( translationUnit );
	282	return 0;
[926af74]	283	} // if
[81419b5]	284	OPTPRINT( "box" )
[b87a5ed]	285	GenPoly::box( translationUnit );
[81419b5]	286
[2871210]	287	// print tree right before code generation
[81419b5]	288	if ( codegenp ) {
[1ab4ce2]	289	dump( translationUnit );
[81419b5]	290	return 0;
	291	} // if
[b87a5ed]	292
[1ab4ce2]	293	CodeGen::generate( translationUnit, *output, ! noprotop );
[b87a5ed]	294
[e6955b1]	295	if ( output != &cout ) {
[b87a5ed]	296	delete output;
	297	} // if
	298	} catch ( SemanticError &e ) {
	299	if ( errorp ) {
[e6955b1]	300	cerr << "---AST at error:---" << endl;
	301	dump( translationUnit, cerr );
	302	cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]	303	} // if
[e6955b1]	304	e.print( cerr );
	305	if ( output != &cout ) {
[b87a5ed]	306	delete output;
	307	} // if
	308	return 1;
	309	} catch ( UnimplementedError &e ) {
[e6955b1]	310	cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
	311	if ( output != &cout ) {
[b87a5ed]	312	delete output;
	313	} // if
	314	return 1;
	315	} catch ( CompilerError &e ) {
[e6955b1]	316	cerr << "Compiler Error: " << e.get_what() << endl;
	317	cerr << "(please report bugs to " << endl;
	318	if ( output != &cout ) {
[b87a5ed]	319	delete output;
	320	} // if
	321	return 1;
	322	} // try
	323
[39786813]	324	deleteAll( translationUnit );
[b87a5ed]	325	return 0;
[d9a0e76]	326	} // main
[51b7345]	327
[cbaee0d]	328	void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[0da3e2c]	329	enum { Ast, Bbox, Bresolver, CtorInitFix, Expr, ExprAlt, Grammar, LibCFA, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, Validate, };
	330
	331	static struct option long_opts[] = {
	332	{ "ast", no_argument, 0, Ast },
	333	{ "before-box", no_argument, 0, Bbox },
	334	{ "before-resolver", no_argument, 0, Bresolver },
	335	{ "ctorinitfix", no_argument, 0, CtorInitFix },
	336	{ "expr", no_argument, 0, Expr },
	337	{ "expralt", no_argument, 0, ExprAlt },
	338	{ "grammar", no_argument, 0, Grammar },
	339	{ "libcfa", no_argument, 0, LibCFA },
	340	{ "no-preamble", no_argument, 0, Nopreamble },
	341	{ "parse", no_argument, 0, Parse },
	342	{ "no-prototypes", no_argument, 0, Prototypes },
	343	{ "resolver", no_argument, 0, Resolver },
	344	{ "symbol", no_argument, 0, Symbol },
	345	{ "tree", no_argument, 0, Tree },
	346	{ "validate", no_argument, 0, Validate },
	347	{ 0, 0, 0, 0 }
	348	}; // long_opts
	349	int long_index;
	350
	351	opterr = 0; // (global) prevent getopt from printing error messages
	352
	353	int c;
	354	while ( (c = getopt_long( argc, argv, "abBcefglnpqrstvyzD:F:", long_opts, &long_index )) != -1 ) {
	355	switch ( c ) {
	356	case Ast:
	357	case 'a': // dump AST
	358	astp = true;
	359	break;
	360	case Bresolver:
	361	case 'b': // print before resolver steps
	362	bresolvep = true;
	363	break;
	364	case 'B': // print before resolver steps
	365	bboxp = true;
	366	break;
	367	case CtorInitFix:
	368	case 'c':
	369	ctorinitp = true;
	370	break;
	371	case Expr:
	372	case 'e': // dump AST after expression analysis
	373	exprp = true;
	374	break;
	375	case ExprAlt:
	376	case 'f': // print alternatives for expressions
	377	expraltp = true;
	378	break;
	379	case Grammar:
	380	case 'g': // bison debugging info (grammar rules)
[926af74]	381	yydebug = true;
[0da3e2c]	382	break;
	383	case LibCFA:
	384	case 'l': // generate libcfa.c
	385	libcfap = true;
	386	break;
	387	case Nopreamble:
	388	case 'n': // do not read preamble
	389	nopreludep = true;
	390	break;
	391	case Prototypes:
	392	case 'p': // generate prototypes for preamble functions
	393	noprotop = true;
	394	break;
	395	case Parse:
	396	case 'q': // dump parse tree
	397	parsep = true;
	398	break;
	399	case Resolver:
	400	case 'r': // print resolver steps
	401	resolvep = true;
	402	break;
	403	case Symbol:
	404	case 's': // print symbol table events
	405	symtabp = true;
	406	break;
	407	case Tree:
	408	case 't': // build in tree
	409	treep = true;
	410	break;
	411	case 'v': // dump AST after decl validation pass
	412	validp = true;
	413	break;
	414	case 'y':
	415	errorp = true;
	416	break;
	417	case 'z':
	418	codegenp = true;
	419	break;
	420	case 'D': // ignore -Dxxx
	421	break;
	422	case 'F': // source file-name without suffix
	423	filename = optarg;
	424	break;
	425	case '?':
[3b8e52c]	426	assertf( false, "Unknown option: '%c'\n", (char)optopt );
[0da3e2c]	427	default:
	428	abort();
	429	} // switch
	430	} // while
	431	} // parse_cmdline
	432
[8b7ee09]	433	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]	434	extern int yyparse( void );
[cbaee0d]	435	extern FILE * yyin;
[0da3e2c]	436	extern int yylineno;
	437
[8b7ee09]	438	::linkage = linkage; // set globals
[0da3e2c]	439	yyin = input;
	440	yylineno = 1;
	441	typedefTable.enterScope();
	442	int parseStatus = yyparse();
[81419b5]	443
	444	fclose( input );
[0da3e2c]	445	if ( shouldExit \|\| parseStatus != 0 ) {
	446	exit( parseStatus );
[81419b5]	447	} // if
[0da3e2c]	448	} // parse
[81419b5]	449
[1ab4ce2]	450	static bool notPrelude( Declaration * decl ) {
	451	return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]	452	} // notPrelude
[1ab4ce2]	453
[e6955b1]	454	static void dump( list< Declaration * > & translationUnit, ostream & out ) {
	455	list< Declaration * > decls;
[926af74]	456
[1ab4ce2]	457	if ( noprotop ) {
[e6955b1]	458	filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]	459	} else {
	460	decls = translationUnit;
[926af74]	461	} // if
[1ab4ce2]	462
[f77f12e2]	463	printAll( decls, out );
[7f5566b]	464	deleteAll( translationUnit );
[0da3e2c]	465	} // dump
[1ab4ce2]	466
[51b7345]	467	// Local Variables: //
[b87a5ed]	468	// tab-width: 4 //
	469	// mode: c++ //
	470	// compile-command: "make install" //
[51b7345]	471	// End: //

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