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source: src/main.cc @ 97c215f

ADTast-experimentalenumpthread-emulationqualifiedEnum

Last change on this file since 97c215f was 2cf3b87, checked in by Andrew Beach <ajbeach@…>, 3 years ago
Translated valitate-E after much bug hunting.
Property mode set to `100644`
File size: 30.6 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	//
[71f4e4f]	7	// main.cc --
[b87a5ed]	8	//
[3e96559]	9	// Author : Peter Buhr and Rob Schluntz
[b87a5ed]	10	// Created On : Fri May 15 23:12:02 2015
[68fe946e]	11	// Last Modified By : Andrew Beach
[2cf3b87]	12	// Last Modified On : Tue Nov 30 10:25:00 2021
	13	// Update Count : 659
[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...
[08fc48f]	19	#include <cassert> // for assertf
[bf2438c]	20	#include <cstdio> // for fopen, FILE, fclose, stdin
	21	#include <cstdlib> // for exit, free, abort, EXIT_F...
[bffcd66]	22	#include <csignal> // for signal, SIGABRT, SIGSEGV
[bf2438c]	23	#include <cstring> // for index
[be9288a]	24	#include <fstream> // for ofstream
[bf2438c]	25	#include <iostream> // for operator<<, basic_ostream
[62ce290]	26	#include <iomanip>
[bf2438c]	27	#include <iterator> // for back_inserter
	28	#include <list> // for list
[08fc48f]	29	#include <string> // for char_traits, operator<<
[e6955b1]	30
[bffcd66]	31	using namespace std;
	32
[9ea38de]	33	#include "AST/Convert.hpp"
[7f38b67a]	34	#include "CompilationState.h"
[bf2438c]	35	#include "../config.h" // for CFA_LIBDIR
	36	#include "CodeGen/FixMain.h" // for FixMain
	37	#include "CodeGen/FixNames.h" // for fixNames
	38	#include "CodeGen/Generate.h" // for generate
[aff7e86]	39	#include "CodeGen/LinkOnce.h" // for translateLinkOnce
[bf2438c]	40	#include "CodeTools/DeclStats.h" // for printDeclStats
[3b3491b]	41	#include "CodeTools/ResolvProtoDump.h" // for dumpAsResolvProto
[bf2438c]	42	#include "CodeTools/TrackLoc.h" // for fillLocations
[f57faf6f]	43	#include "Common/CodeLocationTools.hpp" // for forceFillCodeLocations
[bf2438c]	44	#include "Common/CompilerError.h" // for CompilerError
[55cbff8]	45	#include "Common/DeclStats.hpp" // for printDeclStats
	46	#include "Common/ResolvProtoDump.hpp" // for dumpAsResolverProto
[7abee38]	47	#include "Common/Stats.h"
[cbbd5b48]	48	#include "Common/PassVisitor.h"
[bf2438c]	49	#include "Common/SemanticError.h" // for SemanticError
	50	#include "Common/UnimplementedError.h" // for UnimplementedError
	51	#include "Common/utility.h" // for deleteAll, filter, printAll
[2cf3b87]	52	#include "Concurrency/Keywords.h" // for implementMutex, implement...
[9f5ecf5]	53	#include "Concurrency/Waitfor.h" // for generateWaitfor
[0c730d9]	54	#include "ControlStruct/ExceptDecl.h" // for translateExcept
[bf2438c]	55	#include "ControlStruct/ExceptTranslate.h" // for translateEHM
[b8ab91a]	56	#include "ControlStruct/FixLabels.hpp" // for fixLabels
[bf2438c]	57	#include "ControlStruct/Mutate.h" // for mutate
	58	#include "GenPoly/Box.h" // for box
	59	#include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
	60	#include "GenPoly/Lvalue.h" // for convertLvalue
	61	#include "GenPoly/Specialize.h" // for convertSpecializations
	62	#include "InitTweak/FixInit.h" // for fix
	63	#include "InitTweak/GenInit.h" // for genInit
	64	#include "MakeLibCfa.h" // for makeLibCfa
	65	#include "Parser/ParseNode.h" // for DeclarationNode, buildList
	66	#include "Parser/TypedefTable.h" // for TypedefTable
	67	#include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter
[1622af5]	68	#include "ResolvExpr/CandidatePrinter.hpp" // for printCandidates
[bf2438c]	69	#include "ResolvExpr/Resolver.h" // for resolve
	70	#include "SymTab/Validate.h" // for validate
[bffcd66]	71	#include "SynTree/LinkageSpec.h" // for Spec, Cforall, Intrinsic
[bf2438c]	72	#include "SynTree/Declaration.h" // for Declaration
	73	#include "SynTree/Visitor.h" // for acceptAll
	74	#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[ce36b55]	75	#include "Validate/FindSpecialDecls.h" // for findGlobalDecls
[2cf3b87]	76	#include "Validate/CompoundLiteral.hpp" // for handleCompoundLiterals
[ce36b55]	77	#include "Validate/InitializerLength.hpp" // for setLengthFromInitializer
	78	#include "Validate/LabelAddressFixer.hpp" // for fixLabelAddresses
[a5f0529]	79	#include "Virtual/ExpandCasts.h" // for expandCasts
[51b7345]	80
[4615ac8]	81
[3e96559]	82	static void NewPass( const char * const name ) {
	83	Stats::Heap::newPass( name );
[1cb7fab2]	84	using namespace Stats::Counters;
[b8665e3]	85	{
[3e96559]	86	static auto group = build<CounterGroup>( "Pass Visitor" );
	87	auto pass = build<CounterGroup>( name, group );
[b8665e3]	88	pass_visitor_stats.depth = 0;
[3e96559]	89	pass_visitor_stats.avg = build<AverageCounter<double>>( "Average Depth", pass );
	90	pass_visitor_stats.max = build<MaxCounter<double>>( "Max Depth", pass );
[b8665e3]	91	}
	92	{
[3e96559]	93	static auto group = build<CounterGroup>( "Syntax Node" );
	94	auto pass = build<CounterGroup>( name, group );
	95	BaseSyntaxNode::new_nodes = build<SimpleCounter>( "Allocs", pass );
[b8665e3]	96	}
[675716e]	97	}
	98
[3e96559]	99	#define PASS( name, pass ) \
[ecaeac6e]	100	if ( errorp ) { cerr << name << endl; } \
[675716e]	101	NewPass(name); \
[4f97937]	102	Stats::Time::StartBlock(name); \
	103	pass; \
	104	Stats::Time::StopBlock();
[0da3e2c]	105
[8b7ee09]	106	LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]	107	TypedefTable typedefTable;
[cbaee0d]	108	DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]	109
[ef22ad6]	110	static bool waiting_for_gdb = false; // flag to set cfa-cpp to wait for gdb on start
[dee1f89]	111
[bffcd66]	112	static string PreludeDirector = "";
[4dcaed2]	113
[77d601f]	114	static void parse_cmdline( int argc, char * argv[] );
[8b7ee09]	115	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]	116	static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
[e499381]	117	static void dump( ast::TranslationUnit && transUnit, ostream & out = cout );
[e6955b1]	118
[0afffee]	119	static void backtrace( int start ) { // skip first N stack frames
[74330e7]	120	enum { Frames = 50, }; // maximum number of stack frames
[e6955b1]	121	void * array[Frames];
[74330e7]	122	size_t size = ::backtrace( array, Frames );
[0afffee]	123	char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
	124
	125	*index( messages[0], '(' ) = '\0'; // find executable name
	126	cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]	127
[b542bfb]	128	// skip last 2 stack frames after main
[74330e7]	129	for ( unsigned int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]	130	char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
[7006ba5]	131
	132	for ( char * p = messages[i]; *p; p += 1 ) { // find parantheses and +offset
[0afffee]	133	if ( *p == '(' ) {
[46f6134]	134	mangled_name = p;
[0afffee]	135	} else if ( *p == '+' ) {
[e6955b1]	136	offset_begin = p;
[0afffee]	137	} else if ( *p == ')' ) {
[e6955b1]	138	offset_end = p;
	139	break;
	140	} // if
	141	} // for
	142
	143	// if line contains symbol, attempt to demangle
[b542bfb]	144	int frameNo = i - start;
[e6955b1]	145	if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]	146	*mangled_name++ = '\0'; // delimit strings
[e6955b1]	147	*offset_begin++ = '\0';
	148	*offset_end++ = '\0';
	149
[0afffee]	150	int status;
[e6955b1]	151	char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]	152	// bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]	153	if ( status == 0 ) { // demangling successful ?
[b542bfb]	154	cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]	155	<< real_name << "+" << offset_begin << offset_end << endl;
	156	} else { // otherwise, output mangled name
[b542bfb]	157	cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]	158	<< mangled_name << "(/unknown/)+" << offset_begin << offset_end << endl;
[e6955b1]	159	} // if
[0afffee]	160
[e6955b1]	161	free( real_name );
	162	} else { // otherwise, print the whole line
[b542bfb]	163	cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]	164	} // if
	165	} // for
[b542bfb]	166
[e6955b1]	167	free( messages );
[b542bfb]	168	} // backtrace
	169
[bffcd66]	170	#define SIGPARMS int sig __attribute__(( unused )), siginfo_t * sfp __attribute__(( unused )), ucontext_t * cxt __attribute__(( unused ))
	171
[1f68d5d]	172	static void _Signal(struct sigaction & act, int sig, int flags ) {
[bffcd66]	173	act.sa_flags = flags;
	174
	175	if ( sigaction( sig, &act, nullptr ) == -1 ) {
[77d601f]	176	cerr << "cfa-cpp compilation error problem installing signal handler, error(" << errno << ") " << strerror( errno ) << endl;
[bffcd66]	177	_exit( EXIT_FAILURE );
	178	} // if
[1f68d5d]	179	}
	180
	181	static void Signal( int sig, void (* handler)(SIGPARMS), int flags ) {
	182	struct sigaction act;
	183	act.sa_sigaction = (void ()(int, siginfo_t , void *))handler;
	184	_Signal(act, sig, flags);
	185	} // Signal
	186
	187	static void Signal( int sig, void (* handler)(int), int flags ) {
	188	struct sigaction act;
	189	act.sa_handler = handler;
	190	_Signal(act, sig, flags);
[bffcd66]	191	} // Signal
	192
	193	static void sigSegvBusHandler( SIGPARMS ) {
	194	if ( sfp->si_addr == nullptr ) {
	195	cerr << "Null pointer (nullptr) dereference." << endl;
	196	} else {
	197	cerr << (sig == SIGSEGV ? "Segment fault" : "Bus error") << " at memory location " << sfp->si_addr << "." << endl
	198	<< "Possible cause is reading outside the address space or writing to a protected area within the address space with an invalid pointer or subscript." << endl;
	199	} // if
[b542bfb]	200	backtrace( 2 ); // skip first 2 stack frames
[3e96559]	201	abort(); // cause core dump for debugging
[e6955b1]	202	} // sigSegvBusHandler
[0da3e2c]	203
[74330e7]	204	static void sigFpeHandler( SIGPARMS ) {
	205	const char * msg;
	206
	207	switch ( sfp->si_code ) {
	208	case FPE_INTDIV: case FPE_FLTDIV: msg = "divide by zero"; break;
	209	case FPE_FLTOVF: msg = "overflow"; break;
	210	case FPE_FLTUND: msg = "underflow"; break;
	211	case FPE_FLTRES: msg = "inexact result"; break;
	212	case FPE_FLTINV: msg = "invalid operation"; break;
	213	default: msg = "unknown";
	214	} // choose
	215	cerr << "Computation error " << msg << " at location " << sfp->si_addr << endl
	216	<< "Possible cause is constant-expression evaluation invalid." << endl;
	217	backtrace( 2 ); // skip first 2 stack frames
	218	abort(); // cause core dump for debugging
	219	} // sigFpeHandler
	220
[bffcd66]	221	static void sigAbortHandler( SIGPARMS ) {
[b542bfb]	222	backtrace( 6 ); // skip first 6 stack frames
[1f68d5d]	223	Signal( SIGABRT, SIG_DFL, SA_SIGINFO ); // reset default signal handler
[9be45a2]	224	raise( SIGABRT ); // reraise SIGABRT
[b542bfb]	225	} // sigAbortHandler
	226
[cbaee0d]	227	int main( int argc, char * argv[] ) {
[3b8e52c]	228	FILE * input; // use FILE rather than istream because yyin is FILE
[d08beee]	229	ostream * output = & cout;
[e6955b1]	230	list< Declaration * > translationUnit;
	231
[bffcd66]	232	Signal( SIGSEGV, sigSegvBusHandler, SA_SIGINFO );
	233	Signal( SIGBUS, sigSegvBusHandler, SA_SIGINFO );
[74330e7]	234	Signal( SIGFPE, sigFpeHandler, SA_SIGINFO );
[bffcd66]	235	Signal( SIGABRT, sigAbortHandler, SA_SIGINFO );
[b87a5ed]	236
[bffcd66]	237	// cout << "main" << endl;
[44bca7f]	238	// for ( int i = 0; i < argc; i += 1 ) {
[bffcd66]	239	// cout << '\t' << argv[i] << endl;
[44bca7f]	240	// } // for
	241
[e0bd0f9]	242	parse_cmdline( argc, argv ); // process command-line arguments
[13de47bc]	243	CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]	244
[ef22ad6]	245	if ( waiting_for_gdb ) {
[bffcd66]	246	cerr << "Waiting for gdb" << endl;
	247	cerr << "run :" << endl;
	248	cerr << " gdb attach " << getpid() << endl;
[dee1f89]	249	raise(SIGSTOP);
[ef22ad6]	250	} // if
[dee1f89]	251
[b87a5ed]	252	try {
[81419b5]	253	// choose to read the program from a file or stdin
[3b8e52c]	254	if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]	255	input = fopen( argv[ optind ], "r" );
[e0bd0f9]	256	assertf( input, "cannot open %s because %s\n", argv[ optind ], strerror( errno ) );
[b87a5ed]	257	optind += 1;
[3b8e52c]	258	} else { // no input file name
[b87a5ed]	259	input = stdin;
	260	} // if
	261
[79eaeb7]	262	Stats::Time::StartGlobal();
[3c0d4cd]	263	NewPass("Parse");
	264	Stats::Time::StartBlock("Parse");
[675716e]	265
[159c62e]	266	// read in the builtins, extras, and the prelude
[de62360d]	267	if ( ! nopreludep ) { // include gcc builtins
[faf8857]	268	// -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]	269
[37fe352]	270	assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." );
[4dcaed2]	271
[807ce84]	272	// Read to gcc builtins, if not generating the cfa library
[37fe352]	273	FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cf").c_str(), "r" );
[6ce3ae9]	274	assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
	275	parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]	276
[159c62e]	277	// read the extra prelude in, if not generating the cfa library
[37fe352]	278	FILE * extras = fopen( (PreludeDirector + "/extras.cf").c_str(), "r" );
[3b8e52c]	279	assertf( extras, "cannot open extras.cf\n" );
[f0994a1]	280	parse( extras, LinkageSpec::BuiltinC );
[159c62e]	281
[81419b5]	282	if ( ! libcfap ) {
[faf8857]	283	// read the prelude in, if not generating the cfa library
[e523b07]	284	FILE * prelude = fopen( (PreludeDirector + "/prelude.cfa").c_str(), "r" );
	285	assertf( prelude, "cannot open prelude.cfa\n" );
[35304009]	286	parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]	287
	288	// Read to cfa builtins, if not generating the cfa library
[37fe352]	289	FILE * builtins = fopen( (PreludeDirector + "/builtins.cf").c_str(), "r" );
[fa4805f]	290	assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]	291	parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]	292	} // if
	293	} // if
[81419b5]	294
[926af74]	295	parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]	296
[b87a5ed]	297	if ( parsep ) {
[e6955b1]	298	parseTree->printList( cout );
[0da3e2c]	299	delete parseTree;
[3e96559]	300	return EXIT_SUCCESS;
[b87a5ed]	301	} // if
	302
[0da3e2c]	303	buildList( parseTree, translationUnit );
	304	delete parseTree;
[cbaee0d]	305	parseTree = nullptr;
[b87a5ed]	306
	307	if ( astp ) {
[1ab4ce2]	308	dump( translationUnit );
[3e96559]	309	return EXIT_SUCCESS;
[b87a5ed]	310	} // if
	311
[036dd5f]	312	// Temporary: fill locations after parsing so that every node has a location, for early error messages.
	313	// Eventually we should pass the locations from the parser to every node, but this quick and dirty solution
	314	// works okay for now.
	315	CodeTools::fillLocations( translationUnit );
[3c0d4cd]	316	Stats::Time::StopBlock();
[036dd5f]	317
[0c730d9]	318	PASS( "Translate Exception Declarations", ControlStruct::translateExcept( translationUnit ) );
[00da199]	319	if ( exdeclp ) {
	320	dump( translationUnit );
	321	return EXIT_SUCCESS;
	322	} // if
[0c730d9]	323
[839ccbb]	324	// add the assignment statement after the initialization of a type parameter
[5dcb881]	325	PASS( "Validate-A", SymTab::validate_A( translationUnit ) );
	326	PASS( "Validate-B", SymTab::validate_B( translationUnit ) );
	327	PASS( "Validate-C", SymTab::validate_C( translationUnit ) );
	328	PASS( "Validate-D", SymTab::validate_D( translationUnit ) );
[b87a5ed]	329
[76b378d]	330	CodeTools::fillLocations( translationUnit );
	331
[4a8f150]	332	if( useNewAST ) {
[3746f777]	333	if (Stats::Counters::enabled) {
	334	ast::pass_visitor_stats.avg = Stats::Counters::build<Stats::Counters::AverageCounter<double>>("Average Depth - New");
	335	ast::pass_visitor_stats.max = Stats::Counters::build<Stats::Counters::MaxCounter<double>>("Max depth - New");
	336	}
[9ea38de]	337	auto transUnit = convert( move( translationUnit ) );
[9f5a19fa]	338
[68fe946e]	339	forceFillCodeLocations( transUnit );
	340
[2cf3b87]	341	PASS( "Implement Mutex", Concurrency::implementMutex( transUnit ) );
	342	PASS( "Implement Thread Start", Concurrency::implementThreadStarter( transUnit ) );
	343	PASS( "Compound Literal", Validate::handleCompoundLiterals( transUnit ) );
[ce36b55]	344	PASS( "Set Length From Initializer", Validate::setLengthFromInitializer( transUnit ) );
	345	PASS( "Find Global Decls", Validate::findGlobalDecls( transUnit ) );
	346	PASS( "Fix Label Address", Validate::fixLabelAddresses( transUnit ) );
	347
[1622af5]	348	if ( symtabp ) {
	349	return EXIT_SUCCESS;
	350	} // if
	351
	352	if ( expraltp ) {
	353	ResolvExpr::printCandidates( transUnit );
	354	return EXIT_SUCCESS;
	355	} // if
	356
	357	if ( validp ) {
	358	dump( move( transUnit ) );
	359	return EXIT_SUCCESS;
	360	} // if
	361
[5ee153d]	362	PASS( "Translate Throws", ControlStruct::translateThrows( transUnit ) );
[b8ab91a]	363	PASS( "Fix Labels", ControlStruct::fixLabels( transUnit ) );
[0c577f7]	364	PASS( "Fix Names", CodeGen::fixNames( transUnit ) );
[a36eb2d]	365	PASS( "Gen Init", InitTweak::genInit( transUnit ) );
[9f5a19fa]	366	PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( transUnit ) );
[68fe946e]	367
[da6396f]	368	if ( libcfap ) {
	369	// Generate the bodies of cfa library functions.
	370	LibCfa::makeLibCfa( transUnit );
	371	} // if
[68fe946e]	372
	373	if ( declstatsp ) {
	374	printDeclStats( transUnit );
	375	return EXIT_SUCCESS;
	376	} // if
	377
	378	if ( bresolvep ) {
	379	dump( move( transUnit ) );
	380	return EXIT_SUCCESS;
	381	} // if
	382
	383	if ( resolvprotop ) {
[55cbff8]	384	dumpAsResolverProto( transUnit );
[68fe946e]	385	return EXIT_SUCCESS;
	386	} // if
	387
[9ea38de]	388	PASS( "Resolve", ResolvExpr::resolve( transUnit ) );
[490fb92e]	389	if ( exprp ) {
[e499381]	390	dump( move( transUnit ) );
[490fb92e]	391	return EXIT_SUCCESS;
	392	} // if
	393
[f57faf6f]	394	forceFillCodeLocations( transUnit );
[4a8f150]	395
[490fb92e]	396	PASS( "Fix Init", InitTweak::fix(transUnit, buildingLibrary()));
[da6396f]	397
[01d433e]	398	// fix ObjectDecl - replaces ConstructorInit nodes
	399	if ( ctorinitp ) {
	400	dump( move( transUnit ) );
	401	return EXIT_SUCCESS;
	402	} // if
	403
	404	// Currently not working due to unresolved issues with UniqueExpr
	405	PASS( "Expand Unique Expr", Tuples::expandUniqueExpr( transUnit ) ); // 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
[9ea38de]	406	translationUnit = convert( move( transUnit ) );
[a77257be]	407	} else {
[2cf3b87]	408	PASS( "Validate-E", SymTab::validate_E( translationUnit ) );
[ce36b55]	409	PASS( "Validate-F", SymTab::validate_F( translationUnit ) );
	410
[1622af5]	411	if ( symtabp ) {
	412	deleteAll( translationUnit );
	413	return EXIT_SUCCESS;
	414	} // if
	415
	416	if ( expraltp ) {
	417	PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
	418	acceptAll( translationUnit, printer );
	419	return EXIT_SUCCESS;
	420	} // if
	421
	422	if ( validp ) {
	423	dump( translationUnit );
	424	return EXIT_SUCCESS;
	425	} // if
	426
[5ee153d]	427	PASS( "Translate Throws", ControlStruct::translateThrows( translationUnit ) );
[b8ab91a]	428	PASS( "Fix Labels", ControlStruct::fixLabels( translationUnit ) );
[0c577f7]	429	PASS( "Fix Names", CodeGen::fixNames( translationUnit ) );
[a36eb2d]	430	PASS( "Gen Init", InitTweak::genInit( translationUnit ) );
[9f5a19fa]	431	PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( translationUnit ) );
	432
[da6396f]	433	if ( libcfap ) {
	434	// Generate the bodies of cfa library functions.
	435	LibCfa::makeLibCfa( translationUnit );
	436	} // if
[68fe946e]	437
	438	if ( declstatsp ) {
	439	CodeTools::printDeclStats( translationUnit );
	440	deleteAll( translationUnit );
	441	return EXIT_SUCCESS;
	442	} // if
	443
	444	if ( bresolvep ) {
	445	dump( translationUnit );
	446	return EXIT_SUCCESS;
	447	} // if
	448
	449	CodeTools::fillLocations( translationUnit );
	450
	451	if ( resolvprotop ) {
	452	CodeTools::dumpAsResolvProto( translationUnit );
	453	return EXIT_SUCCESS;
	454	} // if
	455
[a77257be]	456	PASS( "Resolve", ResolvExpr::resolve( translationUnit ) );
[490fb92e]	457	if ( exprp ) {
	458	dump( translationUnit );
	459	return EXIT_SUCCESS;
	460	}
[4615ac8]	461
[490fb92e]	462	PASS( "Fix Init", InitTweak::fix( translationUnit, buildingLibrary() ) );
[81419b5]	463
[01d433e]	464	// fix ObjectDecl - replaces ConstructorInit nodes
	465	if ( ctorinitp ) {
	466	dump ( translationUnit );
	467	return EXIT_SUCCESS;
	468	} // if
[71f4e4f]	469
[01d433e]	470	PASS( "Expand Unique Expr", 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
	471	}
[626dbc10]	472
[046a890]	473	PASS( "Translate Tries" , ControlStruct::translateTries( translationUnit ) );
[6edd210]	474
[675716e]	475	PASS( "Gen Waitfor" , Concurrency::generateWaitFor( translationUnit ) );
[307a732]	476
[675716e]	477	PASS( "Convert Specializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded
[9f5ecf5]	478
[675716e]	479	PASS( "Expand Tuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this?
[626dbc10]	480
	481	if ( tuplep ) {
	482	dump( translationUnit );
[3e96559]	483	return EXIT_SUCCESS;
	484	} // if
[141b786]	485
[675716e]	486	PASS( "Virtual Expand Casts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM
[a5f0529]	487
[675716e]	488	PASS( "Instantiate Generics", GenPoly::instantiateGeneric( translationUnit ) );
[53d3ab4b]	489	if ( genericsp ) {
	490	dump( translationUnit );
[3e96559]	491	return EXIT_SUCCESS;
	492	} // if
[b4f8808]	493
[675716e]	494	PASS( "Convert L-Value", GenPoly::convertLvalue( translationUnit ) );
[53d3ab4b]	495
[fea7ca7]	496	if ( bboxp ) {
	497	dump( translationUnit );
[3e96559]	498	return EXIT_SUCCESS;
[926af74]	499	} // if
[675716e]	500	PASS( "Box", GenPoly::box( translationUnit ) );
[81419b5]	501
[aff7e86]	502	PASS( "Link-Once", CodeGen::translateLinkOnce( translationUnit ) );
	503
	504	// Code has been lowered to C, now we can start generation.
	505
[8905f56]	506	if ( bcodegenp ) {
	507	dump( translationUnit );
[3e96559]	508	return EXIT_SUCCESS;
	509	} // if
[8905f56]	510
[13de47bc]	511	if ( optind < argc ) { // any commands after the flags and input file ? => output file name
	512	output = new ofstream( argv[ optind ] );
	513	} // if
[0270824]	514
[7b15d7a]	515	CodeTools::fillLocations( translationUnit );
[62ce290]	516	PASS( "Code Gen", CodeGen::generate( translationUnit, *output, ! genproto, prettycodegenp, true, linemarks ) );
[0270824]	517
[8e48fca4]	518	CodeGen::FixMain::fix( translationUnit, *output,
	519	(PreludeDirector + "/bootloader.c").c_str() );
[e6955b1]	520	if ( output != &cout ) {
[b87a5ed]	521	delete output;
	522	} // if
[77d601f]	523	} catch ( SemanticErrorException & e ) {
[b87a5ed]	524	if ( errorp ) {
[e6955b1]	525	cerr << "---AST at error:---" << endl;
	526	dump( translationUnit, cerr );
	527	cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]	528	} // if
[d55d7a6]	529	e.print();
[e6955b1]	530	if ( output != &cout ) {
[b87a5ed]	531	delete output;
	532	} // if
[3e96559]	533	return EXIT_FAILURE;
[77d601f]	534	} catch ( UnimplementedError & e ) {
[e6955b1]	535	cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
	536	if ( output != &cout ) {
[b87a5ed]	537	delete output;
	538	} // if
[3e96559]	539	return EXIT_FAILURE;
[77d601f]	540	} catch ( CompilerError & e ) {
[e6955b1]	541	cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]	542	cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]	543	if ( output != &cout ) {
[b87a5ed]	544	delete output;
	545	} // if
[3e96559]	546	return EXIT_FAILURE;
[77d601f]	547	} catch ( std::bad_alloc & ) {
	548	cerr << "cfa-cpp compilation error std::bad_alloc" << endl;
	549	backtrace( 1 );
	550	abort();
[3e96559]	551	} catch ( ... ) {
[bffcd66]	552	exception_ptr eptr = current_exception();
[4990812]	553	try {
	554	if (eptr) {
[bffcd66]	555	rethrow_exception(eptr);
[3e96559]	556	} else {
[77d601f]	557	cerr << "cfa-cpp compilation error exception uncaught and unknown" << endl;
[3e96559]	558	} // if
[77d601f]	559	} catch( const exception & e ) {
	560	cerr << "cfa-cpp compilation error uncaught exception \"" << e.what() << "\"\n";
[3e96559]	561	} // try
	562	return EXIT_FAILURE;
	563	} // try
[b87a5ed]	564
[39786813]	565	deleteAll( translationUnit );
[1cb7fab2]	566	Stats::print();
[3e96559]	567	return EXIT_SUCCESS;
[d9a0e76]	568	} // main
[51b7345]	569
[0da3e2c]	570
[3e9de01]	571	static const char optstring[] = ":c:ghlLmNnpdOAP:S:twW:D:";
[3e96559]	572
[62ce290]	573	enum { PreludeDir = 128 };
[3e96559]	574	static struct option long_opts[] = {
[1a69a90]	575	{ "colors", required_argument, nullptr, 'c' },
	576	{ "gdb", no_argument, nullptr, 'g' },
[3e96559]	577	{ "help", no_argument, nullptr, 'h' },
	578	{ "libcfa", no_argument, nullptr, 'l' },
[62ce290]	579	{ "linemarks", no_argument, nullptr, 'L' },
[3e96559]	580	{ "no-main", no_argument, 0, 'm' },
[62ce290]	581	{ "no-linemarks", no_argument, nullptr, 'N' },
	582	{ "no-prelude", no_argument, nullptr, 'n' },
[3e96559]	583	{ "prototypes", no_argument, nullptr, 'p' },
[7215000]	584	{ "deterministic-out", no_argument, nullptr, 'd' },
[a77257be]	585	{ "old-ast", no_argument, nullptr, 'O'},
	586	{ "new-ast", no_argument, nullptr, 'A'},
[62ce290]	587	{ "print", required_argument, nullptr, 'P' },
	588	{ "prelude-dir", required_argument, nullptr, PreludeDir },
	589	{ "statistics", required_argument, nullptr, 'S' },
[3e96559]	590	{ "tree", no_argument, nullptr, 't' },
	591	{ "", no_argument, nullptr, 0 }, // -w
	592	{ "", no_argument, nullptr, 0 }, // -W
	593	{ "", no_argument, nullptr, 0 }, // -D
	594	{ nullptr, 0, nullptr, 0 }
	595	}; // long_opts
	596
	597	static const char * description[] = {
[aa88cb9a]	598	"diagnostic color: never, always, auto", // -c
[3e9de01]	599	"wait for gdb to attach", // -g
[aa88cb9a]	600	"print translator help message", // -h
[3e9de01]	601	"generate libcfa.c", // -l
	602	"generate line marks", // -L
	603	"do not replace main", // -m
	604	"do not generate line marks", // -N
	605	"do not read prelude", // -n
[aa88cb9a]	606	"do not generate prelude prototypes => prelude not printed", // -p
[3e9de01]	607	"only print deterministic output", // -d
	608	"Use the old-ast", // -O
	609	"Use the new-ast", // -A
	610	"print", // -P
[62ce290]	611	"<directory> prelude directory for debug/nodebug", // no flag
[aa88cb9a]	612	"<option-list> enable profiling information: counters, heap, time, all, none", // -S
[3e9de01]	613	"building cfa standard lib", // -t
	614	"", // -w
	615	"", // -W
	616	"", // -D
[3e96559]	617	}; // description
	618
[0c0f548]	619	static_assert( sizeof( long_opts ) / sizeof( long_opts[0] ) - 1 == sizeof( description ) / sizeof( description[0] ), "Long opts and description must match" );
[62ce290]	620
	621	static struct Printopts {
	622	const char * name;
	623	int & flag;
	624	int val;
	625	const char * descript;
	626	} printopts[] = {
[0e464f6]	627	{ "ascodegen", codegenp, true, "print AST as codegen rather than AST" },
	628	{ "asterr", errorp, true, "print AST on error" },
[62ce290]	629	{ "declstats", declstatsp, true, "code property statistics" },
	630	{ "parse", yydebug, true, "yacc (parsing) debug information" },
	631	{ "pretty", prettycodegenp, true, "prettyprint for ascodegen flag" },
	632	{ "rproto", resolvprotop, true, "resolver-proto instance" },
[0e464f6]	633	{ "rsteps", resolvep, true, "print resolver steps" },
	634	{ "tree", parsep, true, "print parse tree" },
	635	// code dumps
	636	{ "ast", astp, true, "print AST after parsing" },
[00da199]	637	{ "exdecl", exdeclp, true, "print AST after translating exception decls" },
[0e464f6]	638	{ "symevt", symtabp, true, "print AST after symbol table events" },
	639	{ "altexpr", expraltp, true, "print alternatives for expressions" },
	640	{ "astdecl", validp, true, "print AST after declaration validation pass" },
	641	{ "resolver", bresolvep, true, "print AST before resolver step" },
	642	{ "astexpr", exprp, true, "print AST after expression analysis" },
	643	{ "ctordtor", ctorinitp, true, "print AST after ctor/dtor are replaced" },
	644	{ "tuple", tuplep, true, "print AST after tuple expansion" },
	645	{ "astgen", genericsp, true, "print AST after instantiate generics" },
	646	{ "box", bboxp, true, "print AST before box step" },
	647	{ "codegen", bcodegenp, true, "print AST before code generation" },
[62ce290]	648	};
	649	enum { printoptsSize = sizeof( printopts ) / sizeof( printopts[0] ) };
	650
[77d601f]	651	static void usage( char * argv[] ) {
[e0bd0f9]	652	cout << "Usage: " << argv[0] << " [options] [input-file (default stdin)] [output-file (default stdout)], where options are:" << endl;
[3e96559]	653	int i = 0, j = 1; // j skips starting colon
	654	for ( ; long_opts[i].name != 0 && optstring[j] != '\0'; i += 1, j += 1 ) {
	655	if ( long_opts[i].name[0] != '\0' ) { // hidden option, internal usage only
[62ce290]	656	if ( strcmp( long_opts[i].name, "prelude-dir" ) != 0 ) { // flag
	657	cout << " -" << optstring[j] << ",";
	658	} else { // no flag
	659	j -= 1; // compensate
	660	cout << " ";
	661	} // if
	662	cout << " --" << left << setw(12) << long_opts[i].name << " ";
	663	if ( strcmp( long_opts[i].name, "print" ) == 0 ) {
	664	cout << "one of: " << endl;
	665	for ( int i = 0; i < printoptsSize; i += 1 ) {
	666	cout << setw(10) << " " << left << setw(10) << printopts[i].name << " " << printopts[i].descript << endl;
	667	} // for
	668	} else {
	669	cout << description[i] << endl;
	670	} // if
[3e96559]	671	} // if
[62ce290]	672	if ( optstring[j + 1] == ':' ) j += 1;
[3e96559]	673	} // for
	674	if ( long_opts[i].name != 0 \|\| optstring[j] != '\0' ) assertf( false, "internal error, mismatch of option flags and names\n" );
	675	exit( EXIT_FAILURE );
	676	} // usage
	677
[e0bd0f9]	678	static void parse_cmdline( int argc, char * argv[] ) {
[0da3e2c]	679	opterr = 0; // (global) prevent getopt from printing error messages
	680
[c5e5109]	681	bool Wsuppress = false, Werror = false;
[0da3e2c]	682	int c;
[3e96559]	683	while ( (c = getopt_long( argc, argv, optstring, long_opts, nullptr )) != -1 ) {
[0da3e2c]	684	switch ( c ) {
[1a69a90]	685	case 'c': // diagnostic colors
	686	if ( strcmp( optarg, "always" ) == 0 ) {
	687	ErrorHelpers::colors = ErrorHelpers::Colors::Always;
	688	} else if ( strcmp( optarg, "never" ) == 0 ) {
	689	ErrorHelpers::colors = ErrorHelpers::Colors::Never;
	690	} else if ( strcmp( optarg, "auto" ) == 0 ) {
	691	ErrorHelpers::colors = ErrorHelpers::Colors::Auto;
	692	} // if
	693	break;
[3e96559]	694	case 'h': // help message
	695	usage( argv ); // no return
[53d3ab4b]	696	break;
[3e96559]	697	case 'l': // generate libcfa.c
[0da3e2c]	698	libcfap = true;
	699	break;
[62ce290]	700	case 'L': // generate line marks
[6de43b6]	701	linemarks = true;
[c850687]	702	break;
[3e96559]	703	case 'm': // do not replace main
	704	nomainp = true;
[0da3e2c]	705	break;
[62ce290]	706	case 'N': // do not generate line marks
[6de43b6]	707	linemarks = false;
[c59bde6]	708	break;
[62ce290]	709	case 'n': // do not read prelude
[3e96559]	710	nopreludep = true;
[0da3e2c]	711	break;
[62ce290]	712	case 'p': // generate prototypes for prelude functions
	713	genproto = true;
[0da3e2c]	714	break;
[7215000]	715	case 'd': // don't print non-deterministic output
[a77257be]	716	deterministic_output = true;
	717	break;
	718	case 'O': // don't print non-deterministic output
	719	useNewAST = false;
	720	break;
	721	case 'A': // don't print non-deterministic output
	722	useNewAST = true;
[7215000]	723	break;
[62ce290]	724	case 'P': // print options
	725	for ( int i = 0;; i += 1 ) {
	726	if ( i == printoptsSize ) {
	727	cout << "Unknown --print option " << optarg << endl;
	728	goto Default;
	729	} // if
	730	if ( strcmp( optarg, printopts[i].name ) == 0 ) {
	731	printopts[i].flag = printopts[i].val;
	732	break;
	733	} // if
	734	} // for
[0da3e2c]	735	break;
[62ce290]	736	case PreludeDir: // prelude directory for debug/nodebug, hidden
	737	PreludeDirector = optarg;
[3b3491b]	738	break;
[3e96559]	739	case 'S': // enable profiling information, argument comma separated list of names
	740	Stats::parse_params( optarg );
[ebcc940]	741	break;
[dee1f89]	742	case 't': // building cfa stdlib
[0da3e2c]	743	treep = true;
	744	break;
[dee1f89]	745	case 'g': // wait for gdb
	746	waiting_for_gdb = true;
	747	break;
[3e96559]	748	case 'w': // suppress all warnings, hidden
[c5e5109]	749	Wsuppress = true;
[44bca7f]	750	break;
[3e96559]	751	case 'W': // coordinate gcc -W with CFA, hidden
[44bca7f]	752	if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]	753	SemanticWarning_EnableAll();
[44bca7f]	754	} else if ( strcmp( optarg, "error" ) == 0 ) {
	755	Werror = true;
	756	} else {
	757	char * warning = optarg;
	758	Severity s;
	759	if ( strncmp( optarg, "no-", 3 ) == 0 ) {
	760	warning += 3;
	761	s = Severity::Suppress;
	762	} else {
	763	s = Severity::Warn;
	764	} // if
[68e9ace]	765	SemanticWarning_Set( warning, s );
[44bca7f]	766	} // if
	767	break;
[3e96559]	768	case 'D': // ignore -Dxxx, forwarded by cpp, hidden
[0da3e2c]	769	break;
[3e96559]	770	case '?': // unknown option
	771	if ( optopt ) { // short option ?
	772	cout << "Unknown option -" << (char)optopt << endl;
	773	} else {
	774	cout << "Unknown option " << argv[optind - 1] << endl;
	775	} // if
	776	goto Default;
	777	case ':': // missing option
[ae47a23]	778	if ( optopt ) { // short option ?
[3e96559]	779	cout << "Missing option for -" << (char)optopt << endl;
[ae47a23]	780	} else {
[3e96559]	781	cout << "Missing option for " << argv[optind - 1] << endl;
[ae47a23]	782	} // if
[3e96559]	783	goto Default;
	784	Default:
	785	default:
	786	usage( argv ); // no return
[0da3e2c]	787	} // switch
	788	} // while
[44bca7f]	789
	790	if ( Werror ) {
[68e9ace]	791	SemanticWarning_WarningAsError();
[44bca7f]	792	} // if
[c5e5109]	793	if ( Wsuppress ) {
	794	SemanticWarning_SuppressAll();
	795	} // if
[44bca7f]	796	// for ( const auto w : WarningFormats ) {
	797	// cout << w.name << ' ' << (int)w.severity << endl;
	798	// } // for
[0da3e2c]	799	} // parse_cmdline
	800
[8b7ee09]	801	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]	802	extern int yyparse( void );
[cbaee0d]	803	extern FILE * yyin;
[0da3e2c]	804	extern int yylineno;
	805
[8b7ee09]	806	::linkage = linkage; // set globals
[0da3e2c]	807	yyin = input;
	808	yylineno = 1;
	809	int parseStatus = yyparse();
[81419b5]	810
	811	fclose( input );
[0da3e2c]	812	if ( shouldExit \|\| parseStatus != 0 ) {
	813	exit( parseStatus );
[81419b5]	814	} // if
[0da3e2c]	815	} // parse
[81419b5]	816
[1ab4ce2]	817	static bool notPrelude( Declaration * decl ) {
	818	return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]	819	} // notPrelude
[1ab4ce2]	820
[e6955b1]	821	static void dump( list< Declaration * > & translationUnit, ostream & out ) {
	822	list< Declaration * > decls;
[926af74]	823
[62ce290]	824	if ( genproto ) {
[e6955b1]	825	filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]	826	} else {
	827	decls = translationUnit;
[926af74]	828	} // if
[1ab4ce2]	829
[e39241b]	830	// depending on commandline options, either generate code or dump the AST
	831	if ( codegenp ) {
[62ce290]	832	CodeGen::generate( decls, out, ! genproto, prettycodegenp );
[e39241b]	833	} else {
	834	printAll( decls, out );
[3e96559]	835	} // if
[7f5566b]	836	deleteAll( translationUnit );
[0da3e2c]	837	} // dump
[1ab4ce2]	838
[e499381]	839	static void dump( ast::TranslationUnit && transUnit, ostream & out ) {
	840	std::list< Declaration * > translationUnit = convert( move( transUnit ) );
	841	dump( translationUnit, out );
	842	}
	843
[51b7345]	844	// Local Variables: //
[b87a5ed]	845	// tab-width: 4 //
	846	// mode: c++ //
	847	// compile-command: "make install" //
[51b7345]	848	// End: //

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