Context Navigation

source: src/main.cc @ d35e796

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

Last change on this file since d35e796 was af84a35, checked in by Peter A. Buhr <pabuhr@…>, 6 years ago
abort after backtrace when cfa-cpp segment faults
Property mode set to `100644`
File size: 19.8 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
[c59bde6]	11	// Last Modified By : Peter A. Buhr
[af84a35]	12	// Last Modified On : Wed Jun 6 15:51:47 2018
	13	// Update Count : 498
[b87a5ed]	14	//
	15
[bf2438c]	16	#include <cxxabi.h> // for __cxa_demangle
	17	#include <execinfo.h> // for backtrace, backtrace_symbols
	18	#include <getopt.h> // for no_argument, optind, geto...
	19	#include <signal.h> // for signal, SIGABRT, SIGSEGV
[08fc48f]	20	#include <cassert> // for assertf
[bf2438c]	21	#include <cstdio> // for fopen, FILE, fclose, stdin
	22	#include <cstdlib> // for exit, free, abort, EXIT_F...
	23	#include <cstring> // for index
[be9288a]	24	#include <fstream> // for ofstream
[bf2438c]	25	#include <iostream> // for operator<<, basic_ostream
	26	#include <iterator> // for back_inserter
	27	#include <list> // for list
[08fc48f]	28	#include <string> // for char_traits, operator<<
[e6955b1]	29
[bf2438c]	30	#include "../config.h" // for CFA_LIBDIR
	31	#include "CodeGen/FixMain.h" // for FixMain
	32	#include "CodeGen/FixNames.h" // for fixNames
	33	#include "CodeGen/Generate.h" // for generate
	34	#include "CodeTools/DeclStats.h" // for printDeclStats
	35	#include "CodeTools/TrackLoc.h" // for fillLocations
	36	#include "Common/CompilerError.h" // for CompilerError
[cbbd5b48]	37	#include "Common/Heap.h"
	38	#include "Common/PassVisitor.h"
[bf2438c]	39	#include "Common/SemanticError.h" // for SemanticError
	40	#include "Common/UnimplementedError.h" // for UnimplementedError
	41	#include "Common/utility.h" // for deleteAll, filter, printAll
[9f5ecf5]	42	#include "Concurrency/Waitfor.h" // for generateWaitfor
[bf2438c]	43	#include "ControlStruct/ExceptTranslate.h" // for translateEHM
	44	#include "ControlStruct/Mutate.h" // for mutate
	45	#include "GenPoly/Box.h" // for box
	46	#include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
	47	#include "GenPoly/Lvalue.h" // for convertLvalue
	48	#include "GenPoly/Specialize.h" // for convertSpecializations
	49	#include "InitTweak/FixInit.h" // for fix
	50	#include "InitTweak/GenInit.h" // for genInit
	51	#include "MakeLibCfa.h" // for makeLibCfa
	52	#include "Parser/LinkageSpec.h" // for Spec, Cforall, Intrinsic
	53	#include "Parser/ParseNode.h" // for DeclarationNode, buildList
	54	#include "Parser/TypedefTable.h" // for TypedefTable
	55	#include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter
	56	#include "ResolvExpr/Resolver.h" // for resolve
	57	#include "SymTab/Validate.h" // for validate
	58	#include "SynTree/Declaration.h" // for Declaration
	59	#include "SynTree/Visitor.h" // for acceptAll
	60	#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a5f0529]	61	#include "Virtual/ExpandCasts.h" // for expandCasts
[51b7345]	62
	63	using namespace std;
	64
[6edd210]	65	#define PASS(name, pass) \
[ecaeac6e]	66	if ( errorp ) { cerr << name << endl; } \
	67	HeapStats::newPass(name); \
[6edd210]	68	pass;
[0da3e2c]	69
[8b7ee09]	70	LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]	71	TypedefTable typedefTable;
[cbaee0d]	72	DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]	73
[926af74]	74	extern int yydebug; // set for -g flag (Grammar)
[b87a5ed]	75	bool
	76	astp = false,
[de62360d]	77	bresolvep = false,
[fea7ca7]	78	bboxp = false,
[8905f56]	79	bcodegenp = false,
[ca1c11f]	80	ctorinitp = false,
[41a7137]	81	declstatsp = false,
[b87a5ed]	82	exprp = false,
	83	expraltp = false,
[53d3ab4b]	84	genericsp = false,
[b87a5ed]	85	libcfap = false,
[de62360d]	86	nopreludep = false,
[1ab4ce2]	87	noprotop = false,
[3fe34ae]	88	nomainp = false,
[de62360d]	89	parsep = false,
[b87a5ed]	90	resolvep = false, // used in AlternativeFinder
	91	symtabp = false,
[d3b7937]	92	treep = false,
[626dbc10]	93	tuplep = false,
[b87a5ed]	94	validp = false,
[de62360d]	95	errorp = false,
[35b1bf4]	96	codegenp = false,
[c850687]	97	prettycodegenp = false,
[6de43b6]	98	linemarks = false;
[b87a5ed]	99
[926af74]	100	static void parse_cmdline( int argc, char argv[], const char & filename );
[8b7ee09]	101	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]	102	static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
	103
[0afffee]	104	static void backtrace( int start ) { // skip first N stack frames
[e6955b1]	105	enum { Frames = 50 };
	106	void * array[Frames];
[0afffee]	107	int size = ::backtrace( array, Frames );
	108	char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
	109
	110	*index( messages[0], '(' ) = '\0'; // find executable name
	111	cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]	112
[b542bfb]	113	// skip last 2 stack frames after main
	114	for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]	115	char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
	116	for ( char p = messages[i]; p; ++p ) { // find parantheses and +offset
[0afffee]	117	if ( *p == '(' ) {
[46f6134]	118	mangled_name = p;
[0afffee]	119	} else if ( *p == '+' ) {
[e6955b1]	120	offset_begin = p;
[0afffee]	121	} else if ( *p == ')' ) {
[e6955b1]	122	offset_end = p;
	123	break;
	124	} // if
	125	} // for
	126
	127	// if line contains symbol, attempt to demangle
[b542bfb]	128	int frameNo = i - start;
[e6955b1]	129	if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]	130	*mangled_name++ = '\0'; // delimit strings
[e6955b1]	131	*offset_begin++ = '\0';
	132	*offset_end++ = '\0';
	133
[0afffee]	134	int status;
[e6955b1]	135	char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]	136	// bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]	137	if ( status == 0 ) { // demangling successful ?
[b542bfb]	138	cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]	139	<< real_name << "+" << offset_begin << offset_end << endl;
	140	} else { // otherwise, output mangled name
[b542bfb]	141	cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]	142	<< mangled_name << "(/unknown/)+" << offset_begin << offset_end << endl;
[e6955b1]	143	} // if
[0afffee]	144
[e6955b1]	145	free( real_name );
	146	} else { // otherwise, print the whole line
[b542bfb]	147	cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]	148	} // if
	149	} // for
[b542bfb]	150
[e6955b1]	151	free( messages );
[b542bfb]	152	} // backtrace
	153
	154	void sigSegvBusHandler( int sig_num ) {
	155	cerr << "CFA runtime error program cfa-cpp terminated with "
	156	<< (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]	157	<< "." << endl;
[b542bfb]	158	backtrace( 2 ); // skip first 2 stack frames
[af84a35]	159	//_exit( EXIT_FAILURE );
	160	abort();
[e6955b1]	161	} // sigSegvBusHandler
[0da3e2c]	162
[b3c36f4]	163	void sigAbortHandler( __attribute__((unused)) int sig_num ) {
[b542bfb]	164	backtrace( 6 ); // skip first 6 stack frames
	165	signal( SIGABRT, SIG_DFL); // reset default signal handler
	166	raise( SIGABRT ); // reraise SIGABRT
	167	} // sigAbortHandler
	168
	169
[cbaee0d]	170	int main( int argc, char * argv[] ) {
[3b8e52c]	171	FILE * input; // use FILE rather than istream because yyin is FILE
[e6955b1]	172	ostream *output = & cout;
[926af74]	173	const char *filename = nullptr;
[e6955b1]	174	list< Declaration * > translationUnit;
	175
	176	signal( SIGSEGV, sigSegvBusHandler );
	177	signal( SIGBUS, sigSegvBusHandler );
[b542bfb]	178	signal( SIGABRT, sigAbortHandler );
[b87a5ed]	179
[44bca7f]	180	// std::cout << "main" << std::endl;
	181	// for ( int i = 0; i < argc; i += 1 ) {
	182	// std::cout << '\t' << argv[i] << std::endl;
	183	// } // for
	184
[0da3e2c]	185	parse_cmdline( argc, argv, filename ); // process command-line arguments
[13de47bc]	186	CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]	187
	188	try {
[81419b5]	189	// choose to read the program from a file or stdin
[3b8e52c]	190	if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]	191	input = fopen( argv[ optind ], "r" );
[3b8e52c]	192	assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162e]	193	// if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]	194	if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]	195	// prelude filename comes in differently
	196	if ( libcfap ) filename = "prelude.cf";
[b87a5ed]	197	optind += 1;
[3b8e52c]	198	} else { // no input file name
[b87a5ed]	199	input = stdin;
[2a7e29b]	200	// if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
	201	// a fake name along
[926af74]	202	if ( filename == nullptr ) filename = "stdin";
[b87a5ed]	203	} // if
	204
[159c62e]	205	// read in the builtins, extras, and the prelude
[de62360d]	206	if ( ! nopreludep ) { // include gcc builtins
[faf8857]	207	// -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]	208
	209	// Read to gcc builtins, if not generating the cfa library
[6ce3ae9]	210	FILE * gcc_builtins = fopen( libcfap \| treep ? "../prelude/gcc-builtins.cf" : CFA_LIBDIR "/gcc-builtins.cf", "r" );
	211	assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
	212	parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]	213
[159c62e]	214	// read the extra prelude in, if not generating the cfa library
[375a068]	215	FILE * extras = fopen( libcfap \| treep ? "../prelude/extras.cf" : CFA_LIBDIR "/extras.cf", "r" );
[3b8e52c]	216	assertf( extras, "cannot open extras.cf\n" );
[f0994a1]	217	parse( extras, LinkageSpec::BuiltinC );
[159c62e]	218
[81419b5]	219	if ( ! libcfap ) {
[faf8857]	220	// read the prelude in, if not generating the cfa library
[375a068]	221	FILE * prelude = fopen( treep ? "../prelude/prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
[3b8e52c]	222	assertf( prelude, "cannot open prelude.cf\n" );
[35304009]	223	parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]	224
	225	// Read to cfa builtins, if not generating the cfa library
	226	FILE * builtins = fopen( libcfap \| treep ? "../prelude/builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
	227	assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]	228	parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]	229	} // if
	230	} // if
[81419b5]	231
[926af74]	232	parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]	233
[b87a5ed]	234	if ( parsep ) {
[e6955b1]	235	parseTree->printList( cout );
[0da3e2c]	236	delete parseTree;
[b87a5ed]	237	return 0;
	238	} // if
	239
[0da3e2c]	240	buildList( parseTree, translationUnit );
	241	delete parseTree;
[cbaee0d]	242	parseTree = nullptr;
[b87a5ed]	243
	244	if ( astp ) {
[1ab4ce2]	245	dump( translationUnit );
[b87a5ed]	246	return 0;
	247	} // if
	248
[839ccbb]	249	// add the assignment statement after the initialization of a type parameter
[6edd210]	250	PASS( "validate", SymTab::validate( translationUnit, symtabp ) );
[81419b5]	251	if ( symtabp ) {
[46f6134]	252	deleteAll( translationUnit );
[b87a5ed]	253	return 0;
	254	} // if
	255
[81419b5]	256	if ( expraltp ) {
[bff09c8]	257	PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
[81419b5]	258	acceptAll( translationUnit, printer );
[b87a5ed]	259	return 0;
	260	} // if
	261
	262	if ( validp ) {
[1ab4ce2]	263	dump( translationUnit );
[b87a5ed]	264	return 0;
	265	} // if
	266
[25fcb84]	267	PASS( "fixLabels", ControlStruct::fixLabels( translationUnit ) );
[6edd210]	268	PASS( "fixNames", CodeGen::fixNames( translationUnit ) );
	269	PASS( "genInit", InitTweak::genInit( translationUnit ) );
	270	PASS( "expandMemberTuples" , Tuples::expandMemberTuples( translationUnit ) );
[81419b5]	271	if ( libcfap ) {
	272	// generate the bodies of cfa library functions
	273	LibCfa::makeLibCfa( translationUnit );
[b87a5ed]	274	} // if
	275
[fa2de95]	276	if ( declstatsp ) {
	277	CodeTools::printDeclStats( translationUnit );
	278	deleteAll( translationUnit );
	279	return 0;
	280	}
	281
[de62360d]	282	if ( bresolvep ) {
[1ab4ce2]	283	dump( translationUnit );
[de62360d]	284	return 0;
	285	} // if
	286
[76b378d]	287	CodeTools::fillLocations( translationUnit );
	288
[6edd210]	289	PASS( "resolve", ResolvExpr::resolve( translationUnit ) );
[81419b5]	290	if ( exprp ) {
[1ab4ce2]	291	dump( translationUnit );
[ca1c11f]	292	return 0;
[926af74]	293	} // if
[81419b5]	294
[71f4e4f]	295	// fix ObjectDecl - replaces ConstructorInit nodes
[6edd210]	296	PASS( "fixInit", InitTweak::fix( translationUnit, filename, libcfap \|\| treep ) );
[ca1c11f]	297	if ( ctorinitp ) {
	298	dump ( translationUnit );
	299	return 0;
[926af74]	300	} // if
[71f4e4f]	301
[6edd210]	302	PASS( "expandUniqueExpr", Tuples::expandUniqueExpr( translationUnit ) ); // xxx - is this the right place for this? want to expand ASAP so tha, sequent 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
[626dbc10]	303
[6edd210]	304	PASS( "translateEHM" , ControlStruct::translateEHM( translationUnit ) );
	305
	306	PASS( "generateWaitfor" , Concurrency::generateWaitFor( translationUnit ) );
[307a732]	307
[6edd210]	308	PASS( "convertSpecializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded
[9f5ecf5]	309
[6edd210]	310	PASS( "expandTuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this?
[626dbc10]	311
	312	if ( tuplep ) {
	313	dump( translationUnit );
	314	return 0;
	315	}
[141b786]	316
[6edd210]	317	PASS( "virtual expandCasts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM
[a5f0529]	318
[6edd210]	319	PASS( "instantiateGenerics", GenPoly::instantiateGeneric( translationUnit ) );
[53d3ab4b]	320	if ( genericsp ) {
	321	dump( translationUnit );
	322	return 0;
	323	}
[6edd210]	324	PASS( "convertLvalue", GenPoly::convertLvalue( translationUnit ) );
[fea7ca7]	325
[53d3ab4b]	326
[fea7ca7]	327	if ( bboxp ) {
	328	dump( translationUnit );
	329	return 0;
[926af74]	330	} // if
[6edd210]	331	PASS( "box", GenPoly::box( translationUnit ) );
[81419b5]	332
[8905f56]	333	if ( bcodegenp ) {
	334	dump( translationUnit );
	335	return 0;
	336	}
	337
[13de47bc]	338	if ( optind < argc ) { // any commands after the flags and input file ? => output file name
	339	output = new ofstream( argv[ optind ] );
	340	} // if
[0270824]	341
[7b15d7a]	342	CodeTools::fillLocations( translationUnit );
[6edd210]	343	PASS( "codegen", CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, linemarks ) );
[0270824]	344
[13de47bc]	345	CodeGen::FixMain::fix( *output, treep ? "../prelude/bootloader.c" : CFA_LIBDIR "/bootloader.c" );
[e6955b1]	346	if ( output != &cout ) {
[b87a5ed]	347	delete output;
	348	} // if
[a16764a6]	349	} catch ( SemanticErrorException &e ) {
[b87a5ed]	350	if ( errorp ) {
[e6955b1]	351	cerr << "---AST at error:---" << endl;
	352	dump( translationUnit, cerr );
	353	cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]	354	} // if
[d55d7a6]	355	e.print();
[e6955b1]	356	if ( output != &cout ) {
[b87a5ed]	357	delete output;
	358	} // if
	359	return 1;
	360	} catch ( UnimplementedError &e ) {
[e6955b1]	361	cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
	362	if ( output != &cout ) {
[b87a5ed]	363	delete output;
	364	} // if
	365	return 1;
	366	} catch ( CompilerError &e ) {
[e6955b1]	367	cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]	368	cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]	369	if ( output != &cout ) {
[b87a5ed]	370	delete output;
	371	} // if
	372	return 1;
[4990812]	373	} catch(...) {
	374	std::exception_ptr eptr = std::current_exception();
	375	try {
	376	if (eptr) {
	377	std::rethrow_exception(eptr);
	378	}
	379	else {
	380	std::cerr << "Exception Uncaught and Unkown" << std::endl;
	381	}
	382	} catch(const std::exception& e) {
	383	std::cerr << "Unaught Exception \"" << e.what() << "\"\n";
	384	}
	385	return 1;
	386	}// try
[b87a5ed]	387
[39786813]	388	deleteAll( translationUnit );
[6d611fb]	389	if(!libcfap && !treep) HeapStats::printStats();
[b87a5ed]	390	return 0;
[d9a0e76]	391	} // main
[51b7345]	392
[cbaee0d]	393	void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[6de43b6]	394	enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Linemarks, Nolinemarks, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, TupleExpansion, Validate, };
[0da3e2c]	395
	396	static struct option long_opts[] = {
	397	{ "ast", no_argument, 0, Ast },
	398	{ "before-box", no_argument, 0, Bbox },
	399	{ "before-resolver", no_argument, 0, Bresolver },
	400	{ "ctorinitfix", no_argument, 0, CtorInitFix },
[41a7137]	401	{ "decl-stats", no_argument, 0, DeclStats },
[0da3e2c]	402	{ "expr", no_argument, 0, Expr },
	403	{ "expralt", no_argument, 0, ExprAlt },
	404	{ "grammar", no_argument, 0, Grammar },
	405	{ "libcfa", no_argument, 0, LibCFA },
[6de43b6]	406	{ "line-marks", no_argument, 0, Linemarks },
	407	{ "no-line-marks", no_argument, 0, Nolinemarks },
[0da3e2c]	408	{ "no-preamble", no_argument, 0, Nopreamble },
	409	{ "parse", no_argument, 0, Parse },
	410	{ "no-prototypes", no_argument, 0, Prototypes },
	411	{ "resolver", no_argument, 0, Resolver },
	412	{ "symbol", no_argument, 0, Symbol },
	413	{ "tree", no_argument, 0, Tree },
[626dbc10]	414	{ "tuple-expansion", no_argument, 0, TupleExpansion },
[0da3e2c]	415	{ "validate", no_argument, 0, Validate },
	416	{ 0, 0, 0, 0 }
	417	}; // long_opts
	418	int long_index;
	419
	420	opterr = 0; // (global) prevent getopt from printing error messages
	421
[c5e5109]	422	bool Wsuppress = false, Werror = false;
[0da3e2c]	423	int c;
[44bca7f]	424	while ( (c = getopt_long( argc, argv, "abBcCdefgGlLmnNpqrstTvwW:yzZD:F:", long_opts, &long_index )) != -1 ) {
[0da3e2c]	425	switch ( c ) {
	426	case Ast:
	427	case 'a': // dump AST
	428	astp = true;
	429	break;
	430	case Bresolver:
	431	case 'b': // print before resolver steps
	432	bresolvep = true;
	433	break;
[626dbc10]	434	case 'B': // print before box steps
[0da3e2c]	435	bboxp = true;
	436	break;
	437	case CtorInitFix:
[e39241b]	438	case 'c': // print after constructors and destructors are replaced
[0da3e2c]	439	ctorinitp = true;
	440	break;
[8905f56]	441	case 'C': // print before code generation
	442	bcodegenp = true;
	443	break;
[41a7137]	444	case DeclStats:
	445	case 'd':
	446	declstatsp = true;
	447	break;
[0da3e2c]	448	case Expr:
	449	case 'e': // dump AST after expression analysis
	450	exprp = true;
	451	break;
	452	case ExprAlt:
	453	case 'f': // print alternatives for expressions
	454	expraltp = true;
	455	break;
	456	case Grammar:
	457	case 'g': // bison debugging info (grammar rules)
[926af74]	458	yydebug = true;
[0da3e2c]	459	break;
[44bca7f]	460	case 'G': // dump AST after instantiate generics
[53d3ab4b]	461	genericsp = true;
	462	break;
[0da3e2c]	463	case LibCFA:
	464	case 'l': // generate libcfa.c
	465	libcfap = true;
	466	break;
[6de43b6]	467	case Linemarks:
	468	case 'L': // print lines marks
	469	linemarks = true;
[c850687]	470	break;
[0da3e2c]	471	case Nopreamble:
	472	case 'n': // do not read preamble
	473	nopreludep = true;
	474	break;
[6de43b6]	475	case Nolinemarks:
	476	case 'N': // suppress line marks
	477	linemarks = false;
[c59bde6]	478	break;
[0da3e2c]	479	case Prototypes:
	480	case 'p': // generate prototypes for preamble functions
	481	noprotop = true;
	482	break;
[3fe34ae]	483	case 'm': // don't replace the main
	484	nomainp = true;
	485	break;
[0da3e2c]	486	case Parse:
	487	case 'q': // dump parse tree
	488	parsep = true;
	489	break;
	490	case Resolver:
	491	case 'r': // print resolver steps
	492	resolvep = true;
	493	break;
	494	case Symbol:
	495	case 's': // print symbol table events
	496	symtabp = true;
	497	break;
	498	case Tree:
	499	case 't': // build in tree
	500	treep = true;
	501	break;
[626dbc10]	502	case TupleExpansion:
	503	case 'T': // print after tuple expansion
	504	tuplep = true;
	505	break;
[0da3e2c]	506	case 'v': // dump AST after decl validation pass
	507	validp = true;
	508	break;
[44bca7f]	509	case 'w':
[c5e5109]	510	Wsuppress = true;
[44bca7f]	511	break;
	512	case 'W':
	513	if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]	514	SemanticWarning_EnableAll();
[44bca7f]	515	} else if ( strcmp( optarg, "error" ) == 0 ) {
	516	Werror = true;
	517	} else {
	518	char * warning = optarg;
	519	Severity s;
	520	if ( strncmp( optarg, "no-", 3 ) == 0 ) {
	521	warning += 3;
	522	s = Severity::Suppress;
	523	} else {
	524	s = Severity::Warn;
	525	} // if
[68e9ace]	526	SemanticWarning_Set( warning, s );
[44bca7f]	527	} // if
	528	break;
[e39241b]	529	case 'y': // dump AST on error
[0da3e2c]	530	errorp = true;
	531	break;
[e39241b]	532	case 'z': // dump as codegen rather than AST
[0da3e2c]	533	codegenp = true;
[e39241b]	534	break;
	535	case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.)
[35b1bf4]	536	prettycodegenp = true;
[0da3e2c]	537	break;
	538	case 'D': // ignore -Dxxx
	539	break;
	540	case 'F': // source file-name without suffix
	541	filename = optarg;
	542	break;
	543	case '?':
[ae47a23]	544	if ( optopt ) { // short option ?
	545	assertf( false, "Unknown option: -%c\n", (char)optopt );
	546	} else {
	547	assertf( false, "Unknown option: %s\n", argv[optind - 1] );
	548	} // if
[b6d7f44]	549	#if defined(__GNUC__) && __GNUC__ >= 7
[af98d27]	550	__attribute__((fallthrough));
	551	#endif
[0da3e2c]	552	default:
	553	abort();
	554	} // switch
	555	} // while
[44bca7f]	556
	557	if ( Werror ) {
[68e9ace]	558	SemanticWarning_WarningAsError();
[44bca7f]	559	} // if
[c5e5109]	560	if ( Wsuppress ) {
	561	SemanticWarning_SuppressAll();
	562	} // if
[44bca7f]	563	// for ( const auto w : WarningFormats ) {
	564	// cout << w.name << ' ' << (int)w.severity << endl;
	565	// } // for
[0da3e2c]	566	} // parse_cmdline
	567
[8b7ee09]	568	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]	569	extern int yyparse( void );
[cbaee0d]	570	extern FILE * yyin;
[0da3e2c]	571	extern int yylineno;
	572
[8b7ee09]	573	::linkage = linkage; // set globals
[0da3e2c]	574	yyin = input;
	575	yylineno = 1;
	576	int parseStatus = yyparse();
[81419b5]	577
	578	fclose( input );
[0da3e2c]	579	if ( shouldExit \|\| parseStatus != 0 ) {
	580	exit( parseStatus );
[81419b5]	581	} // if
[0da3e2c]	582	} // parse
[81419b5]	583
[1ab4ce2]	584	static bool notPrelude( Declaration * decl ) {
	585	return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]	586	} // notPrelude
[1ab4ce2]	587
[e6955b1]	588	static void dump( list< Declaration * > & translationUnit, ostream & out ) {
	589	list< Declaration * > decls;
[926af74]	590
[1ab4ce2]	591	if ( noprotop ) {
[e6955b1]	592	filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]	593	} else {
	594	decls = translationUnit;
[926af74]	595	} // if
[1ab4ce2]	596
[e39241b]	597	// depending on commandline options, either generate code or dump the AST
	598	if ( codegenp ) {
	599	CodeGen::generate( decls, out, ! noprotop, prettycodegenp );
	600	} else {
	601	printAll( decls, out );
	602	}
[7f5566b]	603	deleteAll( translationUnit );
[0da3e2c]	604	} // dump
[1ab4ce2]	605
[51b7345]	606	// Local Variables: //
[b87a5ed]	607	// tab-width: 4 //
	608	// mode: c++ //
	609	// compile-command: "make install" //
[51b7345]	610	// End: //

Note: See TracBrowser for help on using the repository browser.

Download in other formats: