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source: src/main.cc @ 878be17

ADTast-experimentalpthread-emulation

Last change on this file since 878be17 was b507dcd, checked in by Andrew Beach <ajbeach@…>, 23 months ago
Converted the Expand Tuples pass to the new ast.
Property mode set to `100644`
File size: 33.3 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 ) );
[298fe57]	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 ) );
[9e23b446]	441
[5cf1228]	442	// Needs to happen before tuple types are expanded.
	443	PASS( "Convert Specializations", GenPoly::convertSpecializations( transUnit ) );
[5f3ba11]	444
[b507dcd]	445	PASS( "Expand Tuples", Tuples::expandTuples( transUnit ) );
	446
[9ea38de]	447	translationUnit = convert( move( transUnit ) );
[a77257be]	448	} else {
[6a896b0]	449	PASS( "Translate Exception Declarations", ControlStruct::translateExcept( translationUnit ) );
	450	if ( exdeclp ) {
	451	dump( translationUnit );
	452	return EXIT_SUCCESS;
	453	} // if
	454
[1931bb01]	455	// add the assignment statement after the initialization of a type parameter
[b9f8274]	456	PASS( "Validate", SymTab::validate( translationUnit ) );
[ce36b55]	457
[1622af5]	458	if ( symtabp ) {
	459	deleteAll( translationUnit );
	460	return EXIT_SUCCESS;
	461	} // if
	462
	463	if ( expraltp ) {
	464	PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
	465	acceptAll( translationUnit, printer );
	466	return EXIT_SUCCESS;
	467	} // if
	468
	469	if ( validp ) {
	470	dump( translationUnit );
	471	return EXIT_SUCCESS;
	472	} // if
	473
[5ee153d]	474	PASS( "Translate Throws", ControlStruct::translateThrows( translationUnit ) );
[b8ab91a]	475	PASS( "Fix Labels", ControlStruct::fixLabels( translationUnit ) );
[0c577f7]	476	PASS( "Fix Names", CodeGen::fixNames( translationUnit ) );
[a36eb2d]	477	PASS( "Gen Init", InitTweak::genInit( translationUnit ) );
[9f5a19fa]	478	PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( translationUnit ) );
	479
[da6396f]	480	if ( libcfap ) {
	481	// Generate the bodies of cfa library functions.
	482	LibCfa::makeLibCfa( translationUnit );
	483	} // if
[68fe946e]	484
	485	if ( declstatsp ) {
	486	CodeTools::printDeclStats( translationUnit );
	487	deleteAll( translationUnit );
	488	return EXIT_SUCCESS;
	489	} // if
	490
	491	if ( bresolvep ) {
	492	dump( translationUnit );
	493	return EXIT_SUCCESS;
	494	} // if
	495
	496	CodeTools::fillLocations( translationUnit );
	497
	498	if ( resolvprotop ) {
	499	CodeTools::dumpAsResolvProto( translationUnit );
	500	return EXIT_SUCCESS;
	501	} // if
	502
[a77257be]	503	PASS( "Resolve", ResolvExpr::resolve( translationUnit ) );
[490fb92e]	504	if ( exprp ) {
	505	dump( translationUnit );
	506	return EXIT_SUCCESS;
	507	}
[4615ac8]	508
[490fb92e]	509	PASS( "Fix Init", InitTweak::fix( translationUnit, buildingLibrary() ) );
[81419b5]	510
[01d433e]	511	// fix ObjectDecl - replaces ConstructorInit nodes
	512	if ( ctorinitp ) {
	513	dump ( translationUnit );
	514	return EXIT_SUCCESS;
	515	} // if
[71f4e4f]	516
[01d433e]	517	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]	518	PASS( "Translate Tries", ControlStruct::translateTries( translationUnit ) );
	519	PASS( "Gen Waitfor", Concurrency::generateWaitFor( translationUnit ) );
[9e23b446]	520	PASS( "Convert Specializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded
[b507dcd]	521	PASS( "Expand Tuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this?
[01d433e]	522	}
[626dbc10]	523
	524	if ( tuplep ) {
	525	dump( translationUnit );
[3e96559]	526	return EXIT_SUCCESS;
	527	} // if
[141b786]	528
[675716e]	529	PASS( "Virtual Expand Casts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM
[a5f0529]	530
[675716e]	531	PASS( "Instantiate Generics", GenPoly::instantiateGeneric( translationUnit ) );
[53d3ab4b]	532	if ( genericsp ) {
	533	dump( translationUnit );
[3e96559]	534	return EXIT_SUCCESS;
	535	} // if
[b4f8808]	536
[675716e]	537	PASS( "Convert L-Value", GenPoly::convertLvalue( translationUnit ) );
[53d3ab4b]	538
[fea7ca7]	539	if ( bboxp ) {
	540	dump( translationUnit );
[3e96559]	541	return EXIT_SUCCESS;
[926af74]	542	} // if
[675716e]	543	PASS( "Box", GenPoly::box( translationUnit ) );
[81419b5]	544
[aff7e86]	545	PASS( "Link-Once", CodeGen::translateLinkOnce( translationUnit ) );
	546
	547	// Code has been lowered to C, now we can start generation.
	548
[8905f56]	549	if ( bcodegenp ) {
	550	dump( translationUnit );
[3e96559]	551	return EXIT_SUCCESS;
	552	} // if
[8905f56]	553
[13de47bc]	554	if ( optind < argc ) { // any commands after the flags and input file ? => output file name
	555	output = new ofstream( argv[ optind ] );
	556	} // if
[0270824]	557
[7b15d7a]	558	CodeTools::fillLocations( translationUnit );
[62ce290]	559	PASS( "Code Gen", CodeGen::generate( translationUnit, *output, ! genproto, prettycodegenp, true, linemarks ) );
[0270824]	560
[8e48fca4]	561	CodeGen::FixMain::fix( translationUnit, *output,
	562	(PreludeDirector + "/bootloader.c").c_str() );
[e6955b1]	563	if ( output != &cout ) {
[b87a5ed]	564	delete output;
	565	} // if
[77d601f]	566	} catch ( SemanticErrorException & e ) {
[b87a5ed]	567	if ( errorp ) {
[e6955b1]	568	cerr << "---AST at error:---" << endl;
	569	dump( translationUnit, cerr );
	570	cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]	571	} // if
[d55d7a6]	572	e.print();
[e6955b1]	573	if ( output != &cout ) {
[b87a5ed]	574	delete output;
	575	} // if
[3e96559]	576	return EXIT_FAILURE;
[77d601f]	577	} catch ( UnimplementedError & e ) {
[e6955b1]	578	cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
	579	if ( output != &cout ) {
[b87a5ed]	580	delete output;
	581	} // if
[3e96559]	582	return EXIT_FAILURE;
[77d601f]	583	} catch ( CompilerError & e ) {
[e6955b1]	584	cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]	585	cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]	586	if ( output != &cout ) {
[b87a5ed]	587	delete output;
	588	} // if
[3e96559]	589	return EXIT_FAILURE;
[77d601f]	590	} catch ( std::bad_alloc & ) {
	591	cerr << "cfa-cpp compilation error std::bad_alloc" << endl;
	592	backtrace( 1 );
	593	abort();
[3e96559]	594	} catch ( ... ) {
[bffcd66]	595	exception_ptr eptr = current_exception();
[4990812]	596	try {
	597	if (eptr) {
[bffcd66]	598	rethrow_exception(eptr);
[3e96559]	599	} else {
[77d601f]	600	cerr << "cfa-cpp compilation error exception uncaught and unknown" << endl;
[3e96559]	601	} // if
[77d601f]	602	} catch( const exception & e ) {
	603	cerr << "cfa-cpp compilation error uncaught exception \"" << e.what() << "\"\n";
[3e96559]	604	} // try
	605	return EXIT_FAILURE;
	606	} // try
[b87a5ed]	607
[39786813]	608	deleteAll( translationUnit );
[1cb7fab2]	609	Stats::print();
[3e96559]	610	return EXIT_SUCCESS;
[d9a0e76]	611	} // main
[51b7345]	612
[0da3e2c]	613
[3e9de01]	614	static const char optstring[] = ":c:ghlLmNnpdOAP:S:twW:D:";
[3e96559]	615
[62ce290]	616	enum { PreludeDir = 128 };
[3e96559]	617	static struct option long_opts[] = {
[1a69a90]	618	{ "colors", required_argument, nullptr, 'c' },
	619	{ "gdb", no_argument, nullptr, 'g' },
[3e96559]	620	{ "help", no_argument, nullptr, 'h' },
	621	{ "libcfa", no_argument, nullptr, 'l' },
[62ce290]	622	{ "linemarks", no_argument, nullptr, 'L' },
[3e96559]	623	{ "no-main", no_argument, 0, 'm' },
[62ce290]	624	{ "no-linemarks", no_argument, nullptr, 'N' },
	625	{ "no-prelude", no_argument, nullptr, 'n' },
[3e96559]	626	{ "prototypes", no_argument, nullptr, 'p' },
[7215000]	627	{ "deterministic-out", no_argument, nullptr, 'd' },
[a77257be]	628	{ "old-ast", no_argument, nullptr, 'O'},
	629	{ "new-ast", no_argument, nullptr, 'A'},
[62ce290]	630	{ "print", required_argument, nullptr, 'P' },
	631	{ "prelude-dir", required_argument, nullptr, PreludeDir },
	632	{ "statistics", required_argument, nullptr, 'S' },
[3e96559]	633	{ "tree", no_argument, nullptr, 't' },
	634	{ "", no_argument, nullptr, 0 }, // -w
	635	{ "", no_argument, nullptr, 0 }, // -W
	636	{ "", no_argument, nullptr, 0 }, // -D
	637	{ nullptr, 0, nullptr, 0 }
	638	}; // long_opts
	639
	640	static const char * description[] = {
[aa88cb9a]	641	"diagnostic color: never, always, auto", // -c
[3e9de01]	642	"wait for gdb to attach", // -g
[aa88cb9a]	643	"print translator help message", // -h
[3e9de01]	644	"generate libcfa.c", // -l
	645	"generate line marks", // -L
	646	"do not replace main", // -m
	647	"do not generate line marks", // -N
	648	"do not read prelude", // -n
[aa88cb9a]	649	"do not generate prelude prototypes => prelude not printed", // -p
[3e9de01]	650	"only print deterministic output", // -d
	651	"Use the old-ast", // -O
	652	"Use the new-ast", // -A
	653	"print", // -P
[62ce290]	654	"<directory> prelude directory for debug/nodebug", // no flag
[aa88cb9a]	655	"<option-list> enable profiling information: counters, heap, time, all, none", // -S
[3e9de01]	656	"building cfa standard lib", // -t
	657	"", // -w
	658	"", // -W
	659	"", // -D
[3e96559]	660	}; // description
	661
[0c0f548]	662	static_assert( sizeof( long_opts ) / sizeof( long_opts[0] ) - 1 == sizeof( description ) / sizeof( description[0] ), "Long opts and description must match" );
[62ce290]	663
	664	static struct Printopts {
	665	const char * name;
	666	int & flag;
	667	int val;
	668	const char * descript;
	669	} printopts[] = {
[0e464f6]	670	{ "ascodegen", codegenp, true, "print AST as codegen rather than AST" },
	671	{ "asterr", errorp, true, "print AST on error" },
[62ce290]	672	{ "declstats", declstatsp, true, "code property statistics" },
	673	{ "parse", yydebug, true, "yacc (parsing) debug information" },
	674	{ "pretty", prettycodegenp, true, "prettyprint for ascodegen flag" },
	675	{ "rproto", resolvprotop, true, "resolver-proto instance" },
[0e464f6]	676	{ "rsteps", resolvep, true, "print resolver steps" },
	677	{ "tree", parsep, true, "print parse tree" },
	678	// code dumps
	679	{ "ast", astp, true, "print AST after parsing" },
[00da199]	680	{ "exdecl", exdeclp, true, "print AST after translating exception decls" },
[0e464f6]	681	{ "symevt", symtabp, true, "print AST after symbol table events" },
	682	{ "altexpr", expraltp, true, "print alternatives for expressions" },
	683	{ "astdecl", validp, true, "print AST after declaration validation pass" },
	684	{ "resolver", bresolvep, true, "print AST before resolver step" },
	685	{ "astexpr", exprp, true, "print AST after expression analysis" },
	686	{ "ctordtor", ctorinitp, true, "print AST after ctor/dtor are replaced" },
	687	{ "tuple", tuplep, true, "print AST after tuple expansion" },
	688	{ "astgen", genericsp, true, "print AST after instantiate generics" },
	689	{ "box", bboxp, true, "print AST before box step" },
	690	{ "codegen", bcodegenp, true, "print AST before code generation" },
[62ce290]	691	};
	692	enum { printoptsSize = sizeof( printopts ) / sizeof( printopts[0] ) };
	693
[77d601f]	694	static void usage( char * argv[] ) {
[e0bd0f9]	695	cout << "Usage: " << argv[0] << " [options] [input-file (default stdin)] [output-file (default stdout)], where options are:" << endl;
[3e96559]	696	int i = 0, j = 1; // j skips starting colon
	697	for ( ; long_opts[i].name != 0 && optstring[j] != '\0'; i += 1, j += 1 ) {
	698	if ( long_opts[i].name[0] != '\0' ) { // hidden option, internal usage only
[62ce290]	699	if ( strcmp( long_opts[i].name, "prelude-dir" ) != 0 ) { // flag
	700	cout << " -" << optstring[j] << ",";
	701	} else { // no flag
	702	j -= 1; // compensate
	703	cout << " ";
	704	} // if
	705	cout << " --" << left << setw(12) << long_opts[i].name << " ";
	706	if ( strcmp( long_opts[i].name, "print" ) == 0 ) {
	707	cout << "one of: " << endl;
	708	for ( int i = 0; i < printoptsSize; i += 1 ) {
	709	cout << setw(10) << " " << left << setw(10) << printopts[i].name << " " << printopts[i].descript << endl;
	710	} // for
	711	} else {
	712	cout << description[i] << endl;
	713	} // if
[3e96559]	714	} // if
[62ce290]	715	if ( optstring[j + 1] == ':' ) j += 1;
[3e96559]	716	} // for
	717	if ( long_opts[i].name != 0 \|\| optstring[j] != '\0' ) assertf( false, "internal error, mismatch of option flags and names\n" );
	718	exit( EXIT_FAILURE );
	719	} // usage
	720
[e0bd0f9]	721	static void parse_cmdline( int argc, char * argv[] ) {
[0da3e2c]	722	opterr = 0; // (global) prevent getopt from printing error messages
	723
[c5e5109]	724	bool Wsuppress = false, Werror = false;
[0da3e2c]	725	int c;
[3e96559]	726	while ( (c = getopt_long( argc, argv, optstring, long_opts, nullptr )) != -1 ) {
[0da3e2c]	727	switch ( c ) {
[1a69a90]	728	case 'c': // diagnostic colors
	729	if ( strcmp( optarg, "always" ) == 0 ) {
	730	ErrorHelpers::colors = ErrorHelpers::Colors::Always;
	731	} else if ( strcmp( optarg, "never" ) == 0 ) {
	732	ErrorHelpers::colors = ErrorHelpers::Colors::Never;
	733	} else if ( strcmp( optarg, "auto" ) == 0 ) {
	734	ErrorHelpers::colors = ErrorHelpers::Colors::Auto;
	735	} // if
	736	break;
[3e96559]	737	case 'h': // help message
	738	usage( argv ); // no return
[53d3ab4b]	739	break;
[3e96559]	740	case 'l': // generate libcfa.c
[0da3e2c]	741	libcfap = true;
	742	break;
[62ce290]	743	case 'L': // generate line marks
[6de43b6]	744	linemarks = true;
[c850687]	745	break;
[3e96559]	746	case 'm': // do not replace main
	747	nomainp = true;
[0da3e2c]	748	break;
[62ce290]	749	case 'N': // do not generate line marks
[6de43b6]	750	linemarks = false;
[c59bde6]	751	break;
[62ce290]	752	case 'n': // do not read prelude
[3e96559]	753	nopreludep = true;
[0da3e2c]	754	break;
[62ce290]	755	case 'p': // generate prototypes for prelude functions
	756	genproto = true;
[0da3e2c]	757	break;
[7215000]	758	case 'd': // don't print non-deterministic output
[a77257be]	759	deterministic_output = true;
	760	break;
	761	case 'O': // don't print non-deterministic output
	762	useNewAST = false;
	763	break;
	764	case 'A': // don't print non-deterministic output
	765	useNewAST = true;
[7215000]	766	break;
[62ce290]	767	case 'P': // print options
	768	for ( int i = 0;; i += 1 ) {
	769	if ( i == printoptsSize ) {
	770	cout << "Unknown --print option " << optarg << endl;
	771	goto Default;
	772	} // if
	773	if ( strcmp( optarg, printopts[i].name ) == 0 ) {
	774	printopts[i].flag = printopts[i].val;
	775	break;
	776	} // if
	777	} // for
[0da3e2c]	778	break;
[62ce290]	779	case PreludeDir: // prelude directory for debug/nodebug, hidden
	780	PreludeDirector = optarg;
[3b3491b]	781	break;
[3e96559]	782	case 'S': // enable profiling information, argument comma separated list of names
	783	Stats::parse_params( optarg );
[ebcc940]	784	break;
[dee1f89]	785	case 't': // building cfa stdlib
[0da3e2c]	786	treep = true;
	787	break;
[dee1f89]	788	case 'g': // wait for gdb
	789	waiting_for_gdb = true;
	790	break;
[3e96559]	791	case 'w': // suppress all warnings, hidden
[c5e5109]	792	Wsuppress = true;
[44bca7f]	793	break;
[3e96559]	794	case 'W': // coordinate gcc -W with CFA, hidden
[44bca7f]	795	if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]	796	SemanticWarning_EnableAll();
[44bca7f]	797	} else if ( strcmp( optarg, "error" ) == 0 ) {
	798	Werror = true;
	799	} else {
	800	char * warning = optarg;
	801	Severity s;
	802	if ( strncmp( optarg, "no-", 3 ) == 0 ) {
	803	warning += 3;
	804	s = Severity::Suppress;
	805	} else {
	806	s = Severity::Warn;
	807	} // if
[68e9ace]	808	SemanticWarning_Set( warning, s );
[44bca7f]	809	} // if
	810	break;
[3e96559]	811	case 'D': // ignore -Dxxx, forwarded by cpp, hidden
[0da3e2c]	812	break;
[3e96559]	813	case '?': // unknown option
	814	if ( optopt ) { // short option ?
	815	cout << "Unknown option -" << (char)optopt << endl;
	816	} else {
	817	cout << "Unknown option " << argv[optind - 1] << endl;
	818	} // if
	819	goto Default;
	820	case ':': // missing option
[ae47a23]	821	if ( optopt ) { // short option ?
[3e96559]	822	cout << "Missing option for -" << (char)optopt << endl;
[ae47a23]	823	} else {
[3e96559]	824	cout << "Missing option for " << argv[optind - 1] << endl;
[ae47a23]	825	} // if
[3e96559]	826	goto Default;
	827	Default:
	828	default:
	829	usage( argv ); // no return
[0da3e2c]	830	} // switch
	831	} // while
[44bca7f]	832
	833	if ( Werror ) {
[68e9ace]	834	SemanticWarning_WarningAsError();
[44bca7f]	835	} // if
[c5e5109]	836	if ( Wsuppress ) {
	837	SemanticWarning_SuppressAll();
	838	} // if
[44bca7f]	839	// for ( const auto w : WarningFormats ) {
	840	// cout << w.name << ' ' << (int)w.severity << endl;
	841	// } // for
[0da3e2c]	842	} // parse_cmdline
	843
[8b7ee09]	844	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]	845	extern int yyparse( void );
[cbaee0d]	846	extern FILE * yyin;
[0da3e2c]	847	extern int yylineno;
	848
[8b7ee09]	849	::linkage = linkage; // set globals
[0da3e2c]	850	yyin = input;
	851	yylineno = 1;
	852	int parseStatus = yyparse();
[81419b5]	853
	854	fclose( input );
[0da3e2c]	855	if ( shouldExit \|\| parseStatus != 0 ) {
	856	exit( parseStatus );
[81419b5]	857	} // if
[0da3e2c]	858	} // parse
[81419b5]	859
[1ab4ce2]	860	static bool notPrelude( Declaration * decl ) {
	861	return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]	862	} // notPrelude
[1ab4ce2]	863
[e6955b1]	864	static void dump( list< Declaration * > & translationUnit, ostream & out ) {
	865	list< Declaration * > decls;
[926af74]	866
[62ce290]	867	if ( genproto ) {
[e6955b1]	868	filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]	869	} else {
	870	decls = translationUnit;
[926af74]	871	} // if
[1ab4ce2]	872
[e39241b]	873	// depending on commandline options, either generate code or dump the AST
	874	if ( codegenp ) {
[62ce290]	875	CodeGen::generate( decls, out, ! genproto, prettycodegenp );
[e39241b]	876	} else {
	877	printAll( decls, out );
[3e96559]	878	} // if
[7f5566b]	879	deleteAll( translationUnit );
[0da3e2c]	880	} // dump
[1ab4ce2]	881
[e499381]	882	static void dump( ast::TranslationUnit && transUnit, ostream & out ) {
	883	std::list< Declaration * > translationUnit = convert( move( transUnit ) );
	884	dump( translationUnit, out );
	885	}
	886
[51b7345]	887	// Local Variables: //
[b87a5ed]	888	// tab-width: 4 //
	889	// mode: c++ //
	890	// compile-command: "make install" //
[51b7345]	891	// End: //

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