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source: src/main.cc @ 1988572

ADTast-experimentalpthread-emulationqualifiedEnum

Last change on this file since 1988572 was 11df881, checked in by Andrew Beach <ajbeach@…>, 2 years ago
Updated documentation on pre-resolver passes, moving code to headers instead of uses. Note that some comments were just copied over, I don't know if they are accurate.
Property mode set to `100644`
File size: 33.1 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
[6a896b0]	12	// Last Modified On : Mon Jul 18 11:08:00 2022
	13	// Update Count : 676
[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
[a488783]	57	#include "ControlStruct/HoistControlDecls.hpp" // hoistControlDecls
[bf2438c]	58	#include "ControlStruct/Mutate.h" // for mutate
	59	#include "GenPoly/Box.h" // for box
	60	#include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
	61	#include "GenPoly/Lvalue.h" // for convertLvalue
	62	#include "GenPoly/Specialize.h" // for convertSpecializations
	63	#include "InitTweak/FixInit.h" // for fix
	64	#include "InitTweak/GenInit.h" // for genInit
	65	#include "MakeLibCfa.h" // for makeLibCfa
	66	#include "Parser/ParseNode.h" // for DeclarationNode, buildList
	67	#include "Parser/TypedefTable.h" // for TypedefTable
	68	#include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter
[1622af5]	69	#include "ResolvExpr/CandidatePrinter.hpp" // for printCandidates
[bf2438c]	70	#include "ResolvExpr/Resolver.h" // for resolve
	71	#include "SymTab/Validate.h" // for validate
[9939dc3]	72	#include "SymTab/ValidateType.h" // for linkReferenceToTypes
[bffcd66]	73	#include "SynTree/LinkageSpec.h" // for Spec, Cforall, Intrinsic
[bf2438c]	74	#include "SynTree/Declaration.h" // for Declaration
	75	#include "SynTree/Visitor.h" // for acceptAll
	76	#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a488783]	77	#include "Validate/Autogen.hpp" // for autogenerateRoutines
[298fe57]	78	#include "Validate/CompoundLiteral.hpp" // for handleCompoundLiterals
	79	#include "Validate/EliminateTypedef.hpp" // for eliminateTypedef
[1931bb01]	80	#include "Validate/EnumAndPointerDecay.hpp" // for decayEnumsAndPointers
[ce36b55]	81	#include "Validate/FindSpecialDecls.h" // for findGlobalDecls
[298fe57]	82	#include "Validate/FixQualifiedTypes.hpp" // for fixQualifiedTypes
[1931bb01]	83	#include "Validate/FixReturnTypes.hpp" // for fixReturnTypes
[9490621]	84	#include "Validate/ForallPointerDecay.hpp" // for decayForallPointers
[298fe57]	85	#include "Validate/GenericParameter.hpp" // for fillGenericParameters, tr...
	86	#include "Validate/HoistStruct.hpp" // for hoistStruct
[1931bb01]	87	#include "Validate/HoistTypeDecls.hpp" // for hoistTypeDecls
[ce36b55]	88	#include "Validate/InitializerLength.hpp" // for setLengthFromInitializer
	89	#include "Validate/LabelAddressFixer.hpp" // for fixLabelAddresses
[72e76fd]	90	#include "Validate/LinkReferenceToTypes.hpp" // for linkReferenceToTypes
[1931bb01]	91	#include "Validate/ReplaceTypedef.hpp" // for replaceTypedef
[4ec9513]	92	#include "Validate/ReturnCheck.hpp" // for checkReturnStatements
[1931bb01]	93	#include "Validate/VerifyCtorDtorAssign.hpp" // for verifyCtorDtorAssign
[a5f0529]	94	#include "Virtual/ExpandCasts.h" // for expandCasts
[51b7345]	95
[3e96559]	96	static void NewPass( const char * const name ) {
	97	Stats::Heap::newPass( name );
[1cb7fab2]	98	using namespace Stats::Counters;
[b8665e3]	99	{
[3e96559]	100	static auto group = build<CounterGroup>( "Pass Visitor" );
	101	auto pass = build<CounterGroup>( name, group );
[b8665e3]	102	pass_visitor_stats.depth = 0;
[3e96559]	103	pass_visitor_stats.avg = build<AverageCounter<double>>( "Average Depth", pass );
	104	pass_visitor_stats.max = build<MaxCounter<double>>( "Max Depth", pass );
[b8665e3]	105	}
	106	{
[3e96559]	107	static auto group = build<CounterGroup>( "Syntax Node" );
	108	auto pass = build<CounterGroup>( name, group );
	109	BaseSyntaxNode::new_nodes = build<SimpleCounter>( "Allocs", pass );
[b8665e3]	110	}
[675716e]	111	}
	112
[3e96559]	113	#define PASS( name, pass ) \
[ecaeac6e]	114	if ( errorp ) { cerr << name << endl; } \
[675716e]	115	NewPass(name); \
[4f97937]	116	Stats::Time::StartBlock(name); \
	117	pass; \
	118	Stats::Time::StopBlock();
[0da3e2c]	119
[8b7ee09]	120	LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]	121	TypedefTable typedefTable;
[cbaee0d]	122	DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]	123
[ef22ad6]	124	static bool waiting_for_gdb = false; // flag to set cfa-cpp to wait for gdb on start
[dee1f89]	125
[bffcd66]	126	static string PreludeDirector = "";
[4dcaed2]	127
[77d601f]	128	static void parse_cmdline( int argc, char * argv[] );
[8b7ee09]	129	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]	130	static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
[e499381]	131	static void dump( ast::TranslationUnit && transUnit, ostream & out = cout );
[e6955b1]	132
[0afffee]	133	static void backtrace( int start ) { // skip first N stack frames
[74330e7]	134	enum { Frames = 50, }; // maximum number of stack frames
[e6955b1]	135	void * array[Frames];
[74330e7]	136	size_t size = ::backtrace( array, Frames );
[0afffee]	137	char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
	138
	139	*index( messages[0], '(' ) = '\0'; // find executable name
	140	cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]	141
[b542bfb]	142	// skip last 2 stack frames after main
[74330e7]	143	for ( unsigned int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]	144	char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
[7006ba5]	145
	146	for ( char * p = messages[i]; *p; p += 1 ) { // find parantheses and +offset
[0afffee]	147	if ( *p == '(' ) {
[46f6134]	148	mangled_name = p;
[0afffee]	149	} else if ( *p == '+' ) {
[e6955b1]	150	offset_begin = p;
[0afffee]	151	} else if ( *p == ')' ) {
[e6955b1]	152	offset_end = p;
	153	break;
	154	} // if
	155	} // for
	156
	157	// if line contains symbol, attempt to demangle
[b542bfb]	158	int frameNo = i - start;
[e6955b1]	159	if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]	160	*mangled_name++ = '\0'; // delimit strings
[e6955b1]	161	*offset_begin++ = '\0';
	162	*offset_end++ = '\0';
	163
[0afffee]	164	int status;
[e6955b1]	165	char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]	166	// bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]	167	if ( status == 0 ) { // demangling successful ?
[b542bfb]	168	cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]	169	<< real_name << "+" << offset_begin << offset_end << endl;
	170	} else { // otherwise, output mangled name
[b542bfb]	171	cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]	172	<< mangled_name << "(/unknown/)+" << offset_begin << offset_end << endl;
[e6955b1]	173	} // if
[0afffee]	174
[e6955b1]	175	free( real_name );
	176	} else { // otherwise, print the whole line
[b542bfb]	177	cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]	178	} // if
	179	} // for
[b542bfb]	180
[e6955b1]	181	free( messages );
[b542bfb]	182	} // backtrace
	183
[bffcd66]	184	#define SIGPARMS int sig __attribute__(( unused )), siginfo_t * sfp __attribute__(( unused )), ucontext_t * cxt __attribute__(( unused ))
	185
[1f68d5d]	186	static void _Signal(struct sigaction & act, int sig, int flags ) {
[bffcd66]	187	act.sa_flags = flags;
	188
	189	if ( sigaction( sig, &act, nullptr ) == -1 ) {
[77d601f]	190	cerr << "cfa-cpp compilation error problem installing signal handler, error(" << errno << ") " << strerror( errno ) << endl;
[bffcd66]	191	_exit( EXIT_FAILURE );
	192	} // if
[1f68d5d]	193	}
	194
	195	static void Signal( int sig, void (* handler)(SIGPARMS), int flags ) {
	196	struct sigaction act;
	197	act.sa_sigaction = (void ()(int, siginfo_t , void *))handler;
	198	_Signal(act, sig, flags);
	199	} // Signal
	200
	201	static void Signal( int sig, void (* handler)(int), int flags ) {
	202	struct sigaction act;
	203	act.sa_handler = handler;
	204	_Signal(act, sig, flags);
[bffcd66]	205	} // Signal
	206
	207	static void sigSegvBusHandler( SIGPARMS ) {
	208	if ( sfp->si_addr == nullptr ) {
	209	cerr << "Null pointer (nullptr) dereference." << endl;
	210	} else {
	211	cerr << (sig == SIGSEGV ? "Segment fault" : "Bus error") << " at memory location " << sfp->si_addr << "." << endl
	212	<< "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;
	213	} // if
[b542bfb]	214	backtrace( 2 ); // skip first 2 stack frames
[3e96559]	215	abort(); // cause core dump for debugging
[e6955b1]	216	} // sigSegvBusHandler
[0da3e2c]	217
[74330e7]	218	static void sigFpeHandler( SIGPARMS ) {
	219	const char * msg;
	220
	221	switch ( sfp->si_code ) {
	222	case FPE_INTDIV: case FPE_FLTDIV: msg = "divide by zero"; break;
	223	case FPE_FLTOVF: msg = "overflow"; break;
	224	case FPE_FLTUND: msg = "underflow"; break;
	225	case FPE_FLTRES: msg = "inexact result"; break;
	226	case FPE_FLTINV: msg = "invalid operation"; break;
	227	default: msg = "unknown";
	228	} // choose
	229	cerr << "Computation error " << msg << " at location " << sfp->si_addr << endl
	230	<< "Possible cause is constant-expression evaluation invalid." << endl;
	231	backtrace( 2 ); // skip first 2 stack frames
	232	abort(); // cause core dump for debugging
	233	} // sigFpeHandler
	234
[bffcd66]	235	static void sigAbortHandler( SIGPARMS ) {
[b542bfb]	236	backtrace( 6 ); // skip first 6 stack frames
[1f68d5d]	237	Signal( SIGABRT, SIG_DFL, SA_SIGINFO ); // reset default signal handler
[9be45a2]	238	raise( SIGABRT ); // reraise SIGABRT
[b542bfb]	239	} // sigAbortHandler
	240
[cbaee0d]	241	int main( int argc, char * argv[] ) {
[3b8e52c]	242	FILE * input; // use FILE rather than istream because yyin is FILE
[d08beee]	243	ostream * output = & cout;
[e6955b1]	244	list< Declaration * > translationUnit;
	245
[bffcd66]	246	Signal( SIGSEGV, sigSegvBusHandler, SA_SIGINFO );
	247	Signal( SIGBUS, sigSegvBusHandler, SA_SIGINFO );
[74330e7]	248	Signal( SIGFPE, sigFpeHandler, SA_SIGINFO );
[bffcd66]	249	Signal( SIGABRT, sigAbortHandler, SA_SIGINFO );
[b87a5ed]	250
[bffcd66]	251	// cout << "main" << endl;
[44bca7f]	252	// for ( int i = 0; i < argc; i += 1 ) {
[bffcd66]	253	// cout << '\t' << argv[i] << endl;
[44bca7f]	254	// } // for
	255
[e0bd0f9]	256	parse_cmdline( argc, argv ); // process command-line arguments
[13de47bc]	257	CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]	258
[ef22ad6]	259	if ( waiting_for_gdb ) {
[bffcd66]	260	cerr << "Waiting for gdb" << endl;
	261	cerr << "run :" << endl;
	262	cerr << " gdb attach " << getpid() << endl;
[dee1f89]	263	raise(SIGSTOP);
[ef22ad6]	264	} // if
[dee1f89]	265
[b87a5ed]	266	try {
[81419b5]	267	// choose to read the program from a file or stdin
[3b8e52c]	268	if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]	269	input = fopen( argv[ optind ], "r" );
[e0bd0f9]	270	assertf( input, "cannot open %s because %s\n", argv[ optind ], strerror( errno ) );
[b87a5ed]	271	optind += 1;
[3b8e52c]	272	} else { // no input file name
[b87a5ed]	273	input = stdin;
	274	} // if
	275
[79eaeb7]	276	Stats::Time::StartGlobal();
[3c0d4cd]	277	NewPass("Parse");
	278	Stats::Time::StartBlock("Parse");
[675716e]	279
[159c62e]	280	// read in the builtins, extras, and the prelude
[de62360d]	281	if ( ! nopreludep ) { // include gcc builtins
[faf8857]	282	// -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]	283
[37fe352]	284	assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." );
[4dcaed2]	285
[807ce84]	286	// Read to gcc builtins, if not generating the cfa library
[37fe352]	287	FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cf").c_str(), "r" );
[6ce3ae9]	288	assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
	289	parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]	290
[159c62e]	291	// read the extra prelude in, if not generating the cfa library
[37fe352]	292	FILE * extras = fopen( (PreludeDirector + "/extras.cf").c_str(), "r" );
[3b8e52c]	293	assertf( extras, "cannot open extras.cf\n" );
[f0994a1]	294	parse( extras, LinkageSpec::BuiltinC );
[159c62e]	295
[81419b5]	296	if ( ! libcfap ) {
[faf8857]	297	// read the prelude in, if not generating the cfa library
[e523b07]	298	FILE * prelude = fopen( (PreludeDirector + "/prelude.cfa").c_str(), "r" );
	299	assertf( prelude, "cannot open prelude.cfa\n" );
[35304009]	300	parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]	301
	302	// Read to cfa builtins, if not generating the cfa library
[37fe352]	303	FILE * builtins = fopen( (PreludeDirector + "/builtins.cf").c_str(), "r" );
[fa4805f]	304	assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]	305	parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]	306	} // if
	307	} // if
[81419b5]	308
[926af74]	309	parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]	310
[b87a5ed]	311	if ( parsep ) {
[e6955b1]	312	parseTree->printList( cout );
[0da3e2c]	313	delete parseTree;
[3e96559]	314	return EXIT_SUCCESS;
[b87a5ed]	315	} // if
	316
[0da3e2c]	317	buildList( parseTree, translationUnit );
	318	delete parseTree;
[cbaee0d]	319	parseTree = nullptr;
[b87a5ed]	320
	321	if ( astp ) {
[1ab4ce2]	322	dump( translationUnit );
[3e96559]	323	return EXIT_SUCCESS;
[b87a5ed]	324	} // if
	325
[036dd5f]	326	// Temporary: fill locations after parsing so that every node has a location, for early error messages.
	327	// Eventually we should pass the locations from the parser to every node, but this quick and dirty solution
	328	// works okay for now.
	329	CodeTools::fillLocations( translationUnit );
[3c0d4cd]	330	Stats::Time::StopBlock();
[036dd5f]	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
[6a896b0]	341	PASS( "Translate Exception Declarations", ControlStruct::translateExcept( transUnit ) );
	342	if ( exdeclp ) {
	343	dump( move( transUnit ) );
	344	return EXIT_SUCCESS;
	345	}
	346
[1931bb01]	347	PASS( "Verify Ctor, Dtor & Assign", Validate::verifyCtorDtorAssign( transUnit ) );
	348	PASS( "Hoist Type Decls", Validate::hoistTypeDecls( transUnit ) );
	349	// Hoist Type Decls pulls some declarations out of contexts where
	350	// locations are not tracked. Perhaps they should be, but for now
	351	// the full fill solves it.
	352	forceFillCodeLocations( transUnit );
	353
	354	PASS( "Replace Typedefs", Validate::replaceTypedef( transUnit ) );
	355	PASS( "Fix Return Types", Validate::fixReturnTypes( transUnit ) );
	356	PASS( "Enum and Pointer Decay", Validate::decayEnumsAndPointers( transUnit ) );
	357
[72e76fd]	358	PASS( "Link Reference To Types", Validate::linkReferenceToTypes( transUnit ) );
	359
[298fe57]	360	PASS( "Fix Qualified Types", Validate::fixQualifiedTypes( transUnit ) );
	361	PASS( "Hoist Struct", Validate::hoistStruct( transUnit ) );
	362	PASS( "Eliminate Typedef", Validate::eliminateTypedef( transUnit ) );
[4ec9513]	363	PASS( "Validate Generic Parameters", Validate::fillGenericParameters( transUnit ) );
	364	PASS( "Translate Dimensions", Validate::translateDimensionParameters( transUnit ) );
	365	PASS( "Check Function Returns", Validate::checkReturnStatements( transUnit ) );
	366	PASS( "Fix Return Statements", InitTweak::fixReturnStatements( transUnit ) );
[4f6dda0]	367	PASS( "Implement Concurrent Keywords", Concurrency::implementKeywords( transUnit ) );
[9490621]	368	PASS( "Forall Pointer Decay", Validate::decayForallPointers( transUnit ) );
[a488783]	369	PASS( "Hoist Control Declarations", ControlStruct::hoistControlDecls( transUnit ) );
	370
	371	PASS( "Generate Autogen Routines", Validate::autogenerateRoutines( transUnit ) );
	372
[2cf3b87]	373	PASS( "Implement Mutex", Concurrency::implementMutex( transUnit ) );
	374	PASS( "Implement Thread Start", Concurrency::implementThreadStarter( transUnit ) );
	375	PASS( "Compound Literal", Validate::handleCompoundLiterals( transUnit ) );
[ce36b55]	376	PASS( "Set Length From Initializer", Validate::setLengthFromInitializer( transUnit ) );
	377	PASS( "Find Global Decls", Validate::findGlobalDecls( transUnit ) );
	378	PASS( "Fix Label Address", Validate::fixLabelAddresses( transUnit ) );
	379
[1622af5]	380	if ( symtabp ) {
	381	return EXIT_SUCCESS;
	382	} // if
	383
	384	if ( expraltp ) {
	385	ResolvExpr::printCandidates( transUnit );
	386	return EXIT_SUCCESS;
	387	} // if
	388
	389	if ( validp ) {
	390	dump( move( transUnit ) );
	391	return EXIT_SUCCESS;
	392	} // if
	393
[5ee153d]	394	PASS( "Translate Throws", ControlStruct::translateThrows( transUnit ) );
[b8ab91a]	395	PASS( "Fix Labels", ControlStruct::fixLabels( transUnit ) );
[0c577f7]	396	PASS( "Fix Names", CodeGen::fixNames( transUnit ) );
[a36eb2d]	397	PASS( "Gen Init", InitTweak::genInit( transUnit ) );
[9f5a19fa]	398	PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( transUnit ) );
[68fe946e]	399
[da6396f]	400	if ( libcfap ) {
	401	// Generate the bodies of cfa library functions.
	402	LibCfa::makeLibCfa( transUnit );
	403	} // if
[68fe946e]	404
	405	if ( declstatsp ) {
	406	printDeclStats( transUnit );
	407	return EXIT_SUCCESS;
	408	} // if
	409
	410	if ( bresolvep ) {
	411	dump( move( transUnit ) );
	412	return EXIT_SUCCESS;
	413	} // if
	414
	415	if ( resolvprotop ) {
[55cbff8]	416	dumpAsResolverProto( transUnit );
[68fe946e]	417	return EXIT_SUCCESS;
	418	} // if
	419
[9ea38de]	420	PASS( "Resolve", ResolvExpr::resolve( transUnit ) );
[490fb92e]	421	if ( exprp ) {
[e499381]	422	dump( move( transUnit ) );
[490fb92e]	423	return EXIT_SUCCESS;
	424	} // if
	425
[f57faf6f]	426	forceFillCodeLocations( transUnit );
[4a8f150]	427
[490fb92e]	428	PASS( "Fix Init", InitTweak::fix(transUnit, buildingLibrary()));
[da6396f]	429
[01d433e]	430	// fix ObjectDecl - replaces ConstructorInit nodes
	431	if ( ctorinitp ) {
	432	dump( move( transUnit ) );
	433	return EXIT_SUCCESS;
	434	} // if
	435
	436	// Currently not working due to unresolved issues with UniqueExpr
	437	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
[5f3ba11]	438
[c8f5f7d]	439	PASS( "Translate Tries", ControlStruct::translateTries( transUnit ) );
	440	PASS( "Gen Waitfor", Concurrency::generateWaitFor( transUnit ) );
[5f3ba11]	441
[9ea38de]	442	translationUnit = convert( move( transUnit ) );
[a77257be]	443	} else {
[6a896b0]	444	PASS( "Translate Exception Declarations", ControlStruct::translateExcept( translationUnit ) );
	445	if ( exdeclp ) {
	446	dump( translationUnit );
	447	return EXIT_SUCCESS;
	448	} // if
	449
[1931bb01]	450	// add the assignment statement after the initialization of a type parameter
[b9f8274]	451	PASS( "Validate", SymTab::validate( translationUnit ) );
[ce36b55]	452
[1622af5]	453	if ( symtabp ) {
	454	deleteAll( translationUnit );
	455	return EXIT_SUCCESS;
	456	} // if
	457
	458	if ( expraltp ) {
	459	PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
	460	acceptAll( translationUnit, printer );
	461	return EXIT_SUCCESS;
	462	} // if
	463
	464	if ( validp ) {
	465	dump( translationUnit );
	466	return EXIT_SUCCESS;
	467	} // if
	468
[5ee153d]	469	PASS( "Translate Throws", ControlStruct::translateThrows( translationUnit ) );
[b8ab91a]	470	PASS( "Fix Labels", ControlStruct::fixLabels( translationUnit ) );
[0c577f7]	471	PASS( "Fix Names", CodeGen::fixNames( translationUnit ) );
[a36eb2d]	472	PASS( "Gen Init", InitTweak::genInit( translationUnit ) );
[9f5a19fa]	473	PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( translationUnit ) );
	474
[da6396f]	475	if ( libcfap ) {
	476	// Generate the bodies of cfa library functions.
	477	LibCfa::makeLibCfa( translationUnit );
	478	} // if
[68fe946e]	479
	480	if ( declstatsp ) {
	481	CodeTools::printDeclStats( translationUnit );
	482	deleteAll( translationUnit );
	483	return EXIT_SUCCESS;
	484	} // if
	485
	486	if ( bresolvep ) {
	487	dump( translationUnit );
	488	return EXIT_SUCCESS;
	489	} // if
	490
	491	CodeTools::fillLocations( translationUnit );
	492
	493	if ( resolvprotop ) {
	494	CodeTools::dumpAsResolvProto( translationUnit );
	495	return EXIT_SUCCESS;
	496	} // if
	497
[a77257be]	498	PASS( "Resolve", ResolvExpr::resolve( translationUnit ) );
[490fb92e]	499	if ( exprp ) {
	500	dump( translationUnit );
	501	return EXIT_SUCCESS;
	502	}
[4615ac8]	503
[490fb92e]	504	PASS( "Fix Init", InitTweak::fix( translationUnit, buildingLibrary() ) );
[81419b5]	505
[01d433e]	506	// fix ObjectDecl - replaces ConstructorInit nodes
	507	if ( ctorinitp ) {
	508	dump ( translationUnit );
	509	return EXIT_SUCCESS;
	510	} // if
[71f4e4f]	511
[01d433e]	512	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
[c8f5f7d]	513	PASS( "Translate Tries", ControlStruct::translateTries( translationUnit ) );
	514	PASS( "Gen Waitfor", Concurrency::generateWaitFor( translationUnit ) );
[01d433e]	515	}
[626dbc10]	516
[675716e]	517	PASS( "Convert Specializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded
[9f5ecf5]	518
[675716e]	519	PASS( "Expand Tuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this?
[626dbc10]	520
	521	if ( tuplep ) {
	522	dump( translationUnit );
[3e96559]	523	return EXIT_SUCCESS;
	524	} // if
[141b786]	525
[675716e]	526	PASS( "Virtual Expand Casts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM
[a5f0529]	527
[675716e]	528	PASS( "Instantiate Generics", GenPoly::instantiateGeneric( translationUnit ) );
[53d3ab4b]	529	if ( genericsp ) {
	530	dump( translationUnit );
[3e96559]	531	return EXIT_SUCCESS;
	532	} // if
[b4f8808]	533
[675716e]	534	PASS( "Convert L-Value", GenPoly::convertLvalue( translationUnit ) );
[53d3ab4b]	535
[fea7ca7]	536	if ( bboxp ) {
	537	dump( translationUnit );
[3e96559]	538	return EXIT_SUCCESS;
[926af74]	539	} // if
[675716e]	540	PASS( "Box", GenPoly::box( translationUnit ) );
[81419b5]	541
[aff7e86]	542	PASS( "Link-Once", CodeGen::translateLinkOnce( translationUnit ) );
	543
	544	// Code has been lowered to C, now we can start generation.
	545
[8905f56]	546	if ( bcodegenp ) {
	547	dump( translationUnit );
[3e96559]	548	return EXIT_SUCCESS;
	549	} // if
[8905f56]	550
[13de47bc]	551	if ( optind < argc ) { // any commands after the flags and input file ? => output file name
	552	output = new ofstream( argv[ optind ] );
	553	} // if
[0270824]	554
[7b15d7a]	555	CodeTools::fillLocations( translationUnit );
[62ce290]	556	PASS( "Code Gen", CodeGen::generate( translationUnit, *output, ! genproto, prettycodegenp, true, linemarks ) );
[0270824]	557
[8e48fca4]	558	CodeGen::FixMain::fix( translationUnit, *output,
	559	(PreludeDirector + "/bootloader.c").c_str() );
[e6955b1]	560	if ( output != &cout ) {
[b87a5ed]	561	delete output;
	562	} // if
[77d601f]	563	} catch ( SemanticErrorException & e ) {
[b87a5ed]	564	if ( errorp ) {
[e6955b1]	565	cerr << "---AST at error:---" << endl;
	566	dump( translationUnit, cerr );
	567	cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]	568	} // if
[d55d7a6]	569	e.print();
[e6955b1]	570	if ( output != &cout ) {
[b87a5ed]	571	delete output;
	572	} // if
[3e96559]	573	return EXIT_FAILURE;
[77d601f]	574	} catch ( UnimplementedError & e ) {
[e6955b1]	575	cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
	576	if ( output != &cout ) {
[b87a5ed]	577	delete output;
	578	} // if
[3e96559]	579	return EXIT_FAILURE;
[77d601f]	580	} catch ( CompilerError & e ) {
[e6955b1]	581	cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]	582	cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]	583	if ( output != &cout ) {
[b87a5ed]	584	delete output;
	585	} // if
[3e96559]	586	return EXIT_FAILURE;
[77d601f]	587	} catch ( std::bad_alloc & ) {
	588	cerr << "cfa-cpp compilation error std::bad_alloc" << endl;
	589	backtrace( 1 );
	590	abort();
[3e96559]	591	} catch ( ... ) {
[bffcd66]	592	exception_ptr eptr = current_exception();
[4990812]	593	try {
	594	if (eptr) {
[bffcd66]	595	rethrow_exception(eptr);
[3e96559]	596	} else {
[77d601f]	597	cerr << "cfa-cpp compilation error exception uncaught and unknown" << endl;
[3e96559]	598	} // if
[77d601f]	599	} catch( const exception & e ) {
	600	cerr << "cfa-cpp compilation error uncaught exception \"" << e.what() << "\"\n";
[3e96559]	601	} // try
	602	return EXIT_FAILURE;
	603	} // try
[b87a5ed]	604
[39786813]	605	deleteAll( translationUnit );
[1cb7fab2]	606	Stats::print();
[3e96559]	607	return EXIT_SUCCESS;
[d9a0e76]	608	} // main
[51b7345]	609
[0da3e2c]	610
[3e9de01]	611	static const char optstring[] = ":c:ghlLmNnpdOAP:S:twW:D:";
[3e96559]	612
[62ce290]	613	enum { PreludeDir = 128 };
[3e96559]	614	static struct option long_opts[] = {
[1a69a90]	615	{ "colors", required_argument, nullptr, 'c' },
	616	{ "gdb", no_argument, nullptr, 'g' },
[3e96559]	617	{ "help", no_argument, nullptr, 'h' },
	618	{ "libcfa", no_argument, nullptr, 'l' },
[62ce290]	619	{ "linemarks", no_argument, nullptr, 'L' },
[3e96559]	620	{ "no-main", no_argument, 0, 'm' },
[62ce290]	621	{ "no-linemarks", no_argument, nullptr, 'N' },
	622	{ "no-prelude", no_argument, nullptr, 'n' },
[3e96559]	623	{ "prototypes", no_argument, nullptr, 'p' },
[7215000]	624	{ "deterministic-out", no_argument, nullptr, 'd' },
[a77257be]	625	{ "old-ast", no_argument, nullptr, 'O'},
	626	{ "new-ast", no_argument, nullptr, 'A'},
[62ce290]	627	{ "print", required_argument, nullptr, 'P' },
	628	{ "prelude-dir", required_argument, nullptr, PreludeDir },
	629	{ "statistics", required_argument, nullptr, 'S' },
[3e96559]	630	{ "tree", no_argument, nullptr, 't' },
	631	{ "", no_argument, nullptr, 0 }, // -w
	632	{ "", no_argument, nullptr, 0 }, // -W
	633	{ "", no_argument, nullptr, 0 }, // -D
	634	{ nullptr, 0, nullptr, 0 }
	635	}; // long_opts
	636
	637	static const char * description[] = {
[aa88cb9a]	638	"diagnostic color: never, always, auto", // -c
[3e9de01]	639	"wait for gdb to attach", // -g
[aa88cb9a]	640	"print translator help message", // -h
[3e9de01]	641	"generate libcfa.c", // -l
	642	"generate line marks", // -L
	643	"do not replace main", // -m
	644	"do not generate line marks", // -N
	645	"do not read prelude", // -n
[aa88cb9a]	646	"do not generate prelude prototypes => prelude not printed", // -p
[3e9de01]	647	"only print deterministic output", // -d
	648	"Use the old-ast", // -O
	649	"Use the new-ast", // -A
	650	"print", // -P
[62ce290]	651	"<directory> prelude directory for debug/nodebug", // no flag
[aa88cb9a]	652	"<option-list> enable profiling information: counters, heap, time, all, none", // -S
[3e9de01]	653	"building cfa standard lib", // -t
	654	"", // -w
	655	"", // -W
	656	"", // -D
[3e96559]	657	}; // description
	658
[0c0f548]	659	static_assert( sizeof( long_opts ) / sizeof( long_opts[0] ) - 1 == sizeof( description ) / sizeof( description[0] ), "Long opts and description must match" );
[62ce290]	660
	661	static struct Printopts {
	662	const char * name;
	663	int & flag;
	664	int val;
	665	const char * descript;
	666	} printopts[] = {
[0e464f6]	667	{ "ascodegen", codegenp, true, "print AST as codegen rather than AST" },
	668	{ "asterr", errorp, true, "print AST on error" },
[62ce290]	669	{ "declstats", declstatsp, true, "code property statistics" },
	670	{ "parse", yydebug, true, "yacc (parsing) debug information" },
	671	{ "pretty", prettycodegenp, true, "prettyprint for ascodegen flag" },
	672	{ "rproto", resolvprotop, true, "resolver-proto instance" },
[0e464f6]	673	{ "rsteps", resolvep, true, "print resolver steps" },
	674	{ "tree", parsep, true, "print parse tree" },
	675	// code dumps
	676	{ "ast", astp, true, "print AST after parsing" },
[00da199]	677	{ "exdecl", exdeclp, true, "print AST after translating exception decls" },
[0e464f6]	678	{ "symevt", symtabp, true, "print AST after symbol table events" },
	679	{ "altexpr", expraltp, true, "print alternatives for expressions" },
	680	{ "astdecl", validp, true, "print AST after declaration validation pass" },
	681	{ "resolver", bresolvep, true, "print AST before resolver step" },
	682	{ "astexpr", exprp, true, "print AST after expression analysis" },
	683	{ "ctordtor", ctorinitp, true, "print AST after ctor/dtor are replaced" },
	684	{ "tuple", tuplep, true, "print AST after tuple expansion" },
	685	{ "astgen", genericsp, true, "print AST after instantiate generics" },
	686	{ "box", bboxp, true, "print AST before box step" },
	687	{ "codegen", bcodegenp, true, "print AST before code generation" },
[62ce290]	688	};
	689	enum { printoptsSize = sizeof( printopts ) / sizeof( printopts[0] ) };
	690
[77d601f]	691	static void usage( char * argv[] ) {
[e0bd0f9]	692	cout << "Usage: " << argv[0] << " [options] [input-file (default stdin)] [output-file (default stdout)], where options are:" << endl;
[3e96559]	693	int i = 0, j = 1; // j skips starting colon
	694	for ( ; long_opts[i].name != 0 && optstring[j] != '\0'; i += 1, j += 1 ) {
	695	if ( long_opts[i].name[0] != '\0' ) { // hidden option, internal usage only
[62ce290]	696	if ( strcmp( long_opts[i].name, "prelude-dir" ) != 0 ) { // flag
	697	cout << " -" << optstring[j] << ",";
	698	} else { // no flag
	699	j -= 1; // compensate
	700	cout << " ";
	701	} // if
	702	cout << " --" << left << setw(12) << long_opts[i].name << " ";
	703	if ( strcmp( long_opts[i].name, "print" ) == 0 ) {
	704	cout << "one of: " << endl;
	705	for ( int i = 0; i < printoptsSize; i += 1 ) {
	706	cout << setw(10) << " " << left << setw(10) << printopts[i].name << " " << printopts[i].descript << endl;
	707	} // for
	708	} else {
	709	cout << description[i] << endl;
	710	} // if
[3e96559]	711	} // if
[62ce290]	712	if ( optstring[j + 1] == ':' ) j += 1;
[3e96559]	713	} // for
	714	if ( long_opts[i].name != 0 \|\| optstring[j] != '\0' ) assertf( false, "internal error, mismatch of option flags and names\n" );
	715	exit( EXIT_FAILURE );
	716	} // usage
	717
[e0bd0f9]	718	static void parse_cmdline( int argc, char * argv[] ) {
[0da3e2c]	719	opterr = 0; // (global) prevent getopt from printing error messages
	720
[c5e5109]	721	bool Wsuppress = false, Werror = false;
[0da3e2c]	722	int c;
[3e96559]	723	while ( (c = getopt_long( argc, argv, optstring, long_opts, nullptr )) != -1 ) {
[0da3e2c]	724	switch ( c ) {
[1a69a90]	725	case 'c': // diagnostic colors
	726	if ( strcmp( optarg, "always" ) == 0 ) {
	727	ErrorHelpers::colors = ErrorHelpers::Colors::Always;
	728	} else if ( strcmp( optarg, "never" ) == 0 ) {
	729	ErrorHelpers::colors = ErrorHelpers::Colors::Never;
	730	} else if ( strcmp( optarg, "auto" ) == 0 ) {
	731	ErrorHelpers::colors = ErrorHelpers::Colors::Auto;
	732	} // if
	733	break;
[3e96559]	734	case 'h': // help message
	735	usage( argv ); // no return
[53d3ab4b]	736	break;
[3e96559]	737	case 'l': // generate libcfa.c
[0da3e2c]	738	libcfap = true;
	739	break;
[62ce290]	740	case 'L': // generate line marks
[6de43b6]	741	linemarks = true;
[c850687]	742	break;
[3e96559]	743	case 'm': // do not replace main
	744	nomainp = true;
[0da3e2c]	745	break;
[62ce290]	746	case 'N': // do not generate line marks
[6de43b6]	747	linemarks = false;
[c59bde6]	748	break;
[62ce290]	749	case 'n': // do not read prelude
[3e96559]	750	nopreludep = true;
[0da3e2c]	751	break;
[62ce290]	752	case 'p': // generate prototypes for prelude functions
	753	genproto = true;
[0da3e2c]	754	break;
[7215000]	755	case 'd': // don't print non-deterministic output
[a77257be]	756	deterministic_output = true;
	757	break;
	758	case 'O': // don't print non-deterministic output
	759	useNewAST = false;
	760	break;
	761	case 'A': // don't print non-deterministic output
	762	useNewAST = true;
[7215000]	763	break;
[62ce290]	764	case 'P': // print options
	765	for ( int i = 0;; i += 1 ) {
	766	if ( i == printoptsSize ) {
	767	cout << "Unknown --print option " << optarg << endl;
	768	goto Default;
	769	} // if
	770	if ( strcmp( optarg, printopts[i].name ) == 0 ) {
	771	printopts[i].flag = printopts[i].val;
	772	break;
	773	} // if
	774	} // for
[0da3e2c]	775	break;
[62ce290]	776	case PreludeDir: // prelude directory for debug/nodebug, hidden
	777	PreludeDirector = optarg;
[3b3491b]	778	break;
[3e96559]	779	case 'S': // enable profiling information, argument comma separated list of names
	780	Stats::parse_params( optarg );
[ebcc940]	781	break;
[dee1f89]	782	case 't': // building cfa stdlib
[0da3e2c]	783	treep = true;
	784	break;
[dee1f89]	785	case 'g': // wait for gdb
	786	waiting_for_gdb = true;
	787	break;
[3e96559]	788	case 'w': // suppress all warnings, hidden
[c5e5109]	789	Wsuppress = true;
[44bca7f]	790	break;
[3e96559]	791	case 'W': // coordinate gcc -W with CFA, hidden
[44bca7f]	792	if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]	793	SemanticWarning_EnableAll();
[44bca7f]	794	} else if ( strcmp( optarg, "error" ) == 0 ) {
	795	Werror = true;
	796	} else {
	797	char * warning = optarg;
	798	Severity s;
	799	if ( strncmp( optarg, "no-", 3 ) == 0 ) {
	800	warning += 3;
	801	s = Severity::Suppress;
	802	} else {
	803	s = Severity::Warn;
	804	} // if
[68e9ace]	805	SemanticWarning_Set( warning, s );
[44bca7f]	806	} // if
	807	break;
[3e96559]	808	case 'D': // ignore -Dxxx, forwarded by cpp, hidden
[0da3e2c]	809	break;
[3e96559]	810	case '?': // unknown option
	811	if ( optopt ) { // short option ?
	812	cout << "Unknown option -" << (char)optopt << endl;
	813	} else {
	814	cout << "Unknown option " << argv[optind - 1] << endl;
	815	} // if
	816	goto Default;
	817	case ':': // missing option
[ae47a23]	818	if ( optopt ) { // short option ?
[3e96559]	819	cout << "Missing option for -" << (char)optopt << endl;
[ae47a23]	820	} else {
[3e96559]	821	cout << "Missing option for " << argv[optind - 1] << endl;
[ae47a23]	822	} // if
[3e96559]	823	goto Default;
	824	Default:
	825	default:
	826	usage( argv ); // no return
[0da3e2c]	827	} // switch
	828	} // while
[44bca7f]	829
	830	if ( Werror ) {
[68e9ace]	831	SemanticWarning_WarningAsError();
[44bca7f]	832	} // if
[c5e5109]	833	if ( Wsuppress ) {
	834	SemanticWarning_SuppressAll();
	835	} // if
[44bca7f]	836	// for ( const auto w : WarningFormats ) {
	837	// cout << w.name << ' ' << (int)w.severity << endl;
	838	// } // for
[0da3e2c]	839	} // parse_cmdline
	840
[8b7ee09]	841	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]	842	extern int yyparse( void );
[cbaee0d]	843	extern FILE * yyin;
[0da3e2c]	844	extern int yylineno;
	845
[8b7ee09]	846	::linkage = linkage; // set globals
[0da3e2c]	847	yyin = input;
	848	yylineno = 1;
	849	int parseStatus = yyparse();
[81419b5]	850
	851	fclose( input );
[0da3e2c]	852	if ( shouldExit \|\| parseStatus != 0 ) {
	853	exit( parseStatus );
[81419b5]	854	} // if
[0da3e2c]	855	} // parse
[81419b5]	856
[1ab4ce2]	857	static bool notPrelude( Declaration * decl ) {
	858	return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]	859	} // notPrelude
[1ab4ce2]	860
[e6955b1]	861	static void dump( list< Declaration * > & translationUnit, ostream & out ) {
	862	list< Declaration * > decls;
[926af74]	863
[62ce290]	864	if ( genproto ) {
[e6955b1]	865	filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]	866	} else {
	867	decls = translationUnit;
[926af74]	868	} // if
[1ab4ce2]	869
[e39241b]	870	// depending on commandline options, either generate code or dump the AST
	871	if ( codegenp ) {
[62ce290]	872	CodeGen::generate( decls, out, ! genproto, prettycodegenp );
[e39241b]	873	} else {
	874	printAll( decls, out );
[3e96559]	875	} // if
[7f5566b]	876	deleteAll( translationUnit );
[0da3e2c]	877	} // dump
[1ab4ce2]	878
[e499381]	879	static void dump( ast::TranslationUnit && transUnit, ostream & out ) {
	880	std::list< Declaration * > translationUnit = convert( move( transUnit ) );
	881	dump( translationUnit, out );
	882	}
	883
[51b7345]	884	// Local Variables: //
[b87a5ed]	885	// tab-width: 4 //
	886	// mode: c++ //
	887	// compile-command: "make install" //
[51b7345]	888	// End: //

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