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source: src/main.cc @ 0689cd9

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprno_listpersistent-indexerpthread-emulationqualifiedEnum

Last change on this file since 0689cd9 was 0689cd9, checked in by Peter A. Buhr <pabuhr@…>, 5 years ago
fix spelling mistake in error message
Property mode set to `100644`
File size: 20.0 KB

Rev	Line
[b87a5ed]	1	//
	2	// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
	3	//
	4	// The contents of this file are covered under the licence agreement in the
	5	// file "LICENCE" distributed with Cforall.
	6	//
[71f4e4f]	7	// main.cc --
[b87a5ed]	8	//
[843054c2]	9	// Author : Richard C. Bilson
[b87a5ed]	10	// Created On : Fri May 15 23:12:02 2015
[c59bde6]	11	// Last Modified By : Peter A. Buhr
[0689cd9]	12	// Last Modified On : Wed Dec 26 08:11:19 2018
	13	// Update Count : 499
[b87a5ed]	14	//
	15
[bf2438c]	16	#include <cxxabi.h> // for __cxa_demangle
	17	#include <execinfo.h> // for backtrace, backtrace_symbols
	18	#include <getopt.h> // for no_argument, optind, geto...
	19	#include <signal.h> // for signal, SIGABRT, SIGSEGV
[08fc48f]	20	#include <cassert> // for assertf
[bf2438c]	21	#include <cstdio> // for fopen, FILE, fclose, stdin
	22	#include <cstdlib> // for exit, free, abort, EXIT_F...
	23	#include <cstring> // for index
[be9288a]	24	#include <fstream> // for ofstream
[bf2438c]	25	#include <iostream> // for operator<<, basic_ostream
	26	#include <iterator> // for back_inserter
	27	#include <list> // for list
[08fc48f]	28	#include <string> // for char_traits, operator<<
[e6955b1]	29
[7f38b67a]	30	#include "CompilationState.h"
[bf2438c]	31	#include "../config.h" // for CFA_LIBDIR
	32	#include "CodeGen/FixMain.h" // for FixMain
	33	#include "CodeGen/FixNames.h" // for fixNames
	34	#include "CodeGen/Generate.h" // for generate
	35	#include "CodeTools/DeclStats.h" // for printDeclStats
[3b3491b]	36	#include "CodeTools/ResolvProtoDump.h" // for dumpAsResolvProto
[bf2438c]	37	#include "CodeTools/TrackLoc.h" // for fillLocations
	38	#include "Common/CompilerError.h" // for CompilerError
[cbbd5b48]	39	#include "Common/Heap.h"
	40	#include "Common/PassVisitor.h"
[bf2438c]	41	#include "Common/SemanticError.h" // for SemanticError
	42	#include "Common/UnimplementedError.h" // for UnimplementedError
	43	#include "Common/utility.h" // for deleteAll, filter, printAll
[9f5ecf5]	44	#include "Concurrency/Waitfor.h" // for generateWaitfor
[bf2438c]	45	#include "ControlStruct/ExceptTranslate.h" // for translateEHM
	46	#include "ControlStruct/Mutate.h" // for mutate
	47	#include "GenPoly/Box.h" // for box
	48	#include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
	49	#include "GenPoly/Lvalue.h" // for convertLvalue
	50	#include "GenPoly/Specialize.h" // for convertSpecializations
	51	#include "InitTweak/FixInit.h" // for fix
	52	#include "InitTweak/GenInit.h" // for genInit
	53	#include "MakeLibCfa.h" // for makeLibCfa
	54	#include "Parser/LinkageSpec.h" // for Spec, Cforall, Intrinsic
	55	#include "Parser/ParseNode.h" // for DeclarationNode, buildList
	56	#include "Parser/TypedefTable.h" // for TypedefTable
	57	#include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter
	58	#include "ResolvExpr/Resolver.h" // for resolve
	59	#include "SymTab/Validate.h" // for validate
	60	#include "SynTree/Declaration.h" // for Declaration
	61	#include "SynTree/Visitor.h" // for acceptAll
	62	#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a5f0529]	63	#include "Virtual/ExpandCasts.h" // for expandCasts
[51b7345]	64
	65	using namespace std;
	66
[6edd210]	67	#define PASS(name, pass) \
[ecaeac6e]	68	if ( errorp ) { cerr << name << endl; } \
	69	HeapStats::newPass(name); \
[6edd210]	70	pass;
[0da3e2c]	71
[8b7ee09]	72	LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]	73	TypedefTable typedefTable;
[cbaee0d]	74	DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]	75
[4dcaed2]	76	std::string PreludeDirector = "";
	77
[926af74]	78	static void parse_cmdline( int argc, char argv[], const char & filename );
[8b7ee09]	79	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]	80	static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
	81
[0afffee]	82	static void backtrace( int start ) { // skip first N stack frames
[e6955b1]	83	enum { Frames = 50 };
	84	void * array[Frames];
[0afffee]	85	int size = ::backtrace( array, Frames );
	86	char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
	87
	88	*index( messages[0], '(' ) = '\0'; // find executable name
	89	cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]	90
[b542bfb]	91	// skip last 2 stack frames after main
	92	for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]	93	char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
	94	for ( char p = messages[i]; p; ++p ) { // find parantheses and +offset
[0afffee]	95	if ( *p == '(' ) {
[46f6134]	96	mangled_name = p;
[0afffee]	97	} else if ( *p == '+' ) {
[e6955b1]	98	offset_begin = p;
[0afffee]	99	} else if ( *p == ')' ) {
[e6955b1]	100	offset_end = p;
	101	break;
	102	} // if
	103	} // for
	104
	105	// if line contains symbol, attempt to demangle
[b542bfb]	106	int frameNo = i - start;
[e6955b1]	107	if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]	108	*mangled_name++ = '\0'; // delimit strings
[e6955b1]	109	*offset_begin++ = '\0';
	110	*offset_end++ = '\0';
	111
[0afffee]	112	int status;
[e6955b1]	113	char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]	114	// bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]	115	if ( status == 0 ) { // demangling successful ?
[b542bfb]	116	cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]	117	<< real_name << "+" << offset_begin << offset_end << endl;
	118	} else { // otherwise, output mangled name
[b542bfb]	119	cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]	120	<< mangled_name << "(/unknown/)+" << offset_begin << offset_end << endl;
[e6955b1]	121	} // if
[0afffee]	122
[e6955b1]	123	free( real_name );
	124	} else { // otherwise, print the whole line
[b542bfb]	125	cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]	126	} // if
	127	} // for
[b542bfb]	128
[e6955b1]	129	free( messages );
[b542bfb]	130	} // backtrace
	131
	132	void sigSegvBusHandler( int sig_num ) {
	133	cerr << "CFA runtime error program cfa-cpp terminated with "
	134	<< (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]	135	<< "." << endl;
[b542bfb]	136	backtrace( 2 ); // skip first 2 stack frames
[af84a35]	137	//_exit( EXIT_FAILURE );
	138	abort();
[e6955b1]	139	} // sigSegvBusHandler
[0da3e2c]	140
[b3c36f4]	141	void sigAbortHandler( __attribute__((unused)) int sig_num ) {
[b542bfb]	142	backtrace( 6 ); // skip first 6 stack frames
	143	signal( SIGABRT, SIG_DFL); // reset default signal handler
	144	raise( SIGABRT ); // reraise SIGABRT
	145	} // sigAbortHandler
	146
	147
[cbaee0d]	148	int main( int argc, char * argv[] ) {
[3b8e52c]	149	FILE * input; // use FILE rather than istream because yyin is FILE
[e6955b1]	150	ostream *output = & cout;
[926af74]	151	const char *filename = nullptr;
[e6955b1]	152	list< Declaration * > translationUnit;
	153
	154	signal( SIGSEGV, sigSegvBusHandler );
	155	signal( SIGBUS, sigSegvBusHandler );
[b542bfb]	156	signal( SIGABRT, sigAbortHandler );
[b87a5ed]	157
[44bca7f]	158	// std::cout << "main" << std::endl;
	159	// for ( int i = 0; i < argc; i += 1 ) {
	160	// std::cout << '\t' << argv[i] << std::endl;
	161	// } // for
	162
[0da3e2c]	163	parse_cmdline( argc, argv, filename ); // process command-line arguments
[13de47bc]	164	CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]	165
	166	try {
[81419b5]	167	// choose to read the program from a file or stdin
[3b8e52c]	168	if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]	169	input = fopen( argv[ optind ], "r" );
[3b8e52c]	170	assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162]	171	// if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]	172	if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]	173	// prelude filename comes in differently
[e523b07]	174	if ( libcfap ) filename = "prelude.cfa";
[b87a5ed]	175	optind += 1;
[3b8e52c]	176	} else { // no input file name
[b87a5ed]	177	input = stdin;
[2a7e29b]	178	// if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
	179	// a fake name along
[926af74]	180	if ( filename == nullptr ) filename = "stdin";
[b87a5ed]	181	} // if
	182
[159c62e]	183	// read in the builtins, extras, and the prelude
[de62360d]	184	if ( ! nopreludep ) { // include gcc builtins
[faf8857]	185	// -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]	186
[37fe352]	187	assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." );
[4dcaed2]	188
[807ce84]	189	// Read to gcc builtins, if not generating the cfa library
[37fe352]	190	FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cf").c_str(), "r" );
[6ce3ae9]	191	assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
	192	parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]	193
[159c62e]	194	// read the extra prelude in, if not generating the cfa library
[37fe352]	195	FILE * extras = fopen( (PreludeDirector + "/extras.cf").c_str(), "r" );
[3b8e52c]	196	assertf( extras, "cannot open extras.cf\n" );
[f0994a1]	197	parse( extras, LinkageSpec::BuiltinC );
[159c62e]	198
[81419b5]	199	if ( ! libcfap ) {
[faf8857]	200	// read the prelude in, if not generating the cfa library
[e523b07]	201	FILE * prelude = fopen( (PreludeDirector + "/prelude.cfa").c_str(), "r" );
	202	assertf( prelude, "cannot open prelude.cfa\n" );
[35304009]	203	parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]	204
	205	// Read to cfa builtins, if not generating the cfa library
[37fe352]	206	FILE * builtins = fopen( (PreludeDirector + "/builtins.cf").c_str(), "r" );
[fa4805f]	207	assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]	208	parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]	209	} // if
	210	} // if
[81419b5]	211
[926af74]	212	parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]	213
[b87a5ed]	214	if ( parsep ) {
[e6955b1]	215	parseTree->printList( cout );
[0da3e2c]	216	delete parseTree;
[b87a5ed]	217	return 0;
	218	} // if
	219
[0da3e2c]	220	buildList( parseTree, translationUnit );
	221	delete parseTree;
[cbaee0d]	222	parseTree = nullptr;
[b87a5ed]	223
	224	if ( astp ) {
[1ab4ce2]	225	dump( translationUnit );
[b87a5ed]	226	return 0;
	227	} // if
	228
[036dd5f]	229	// Temporary: fill locations after parsing so that every node has a location, for early error messages.
	230	// Eventually we should pass the locations from the parser to every node, but this quick and dirty solution
	231	// works okay for now.
	232	CodeTools::fillLocations( translationUnit );
	233
[839ccbb]	234	// add the assignment statement after the initialization of a type parameter
[6edd210]	235	PASS( "validate", SymTab::validate( translationUnit, symtabp ) );
[81419b5]	236	if ( symtabp ) {
[46f6134]	237	deleteAll( translationUnit );
[b87a5ed]	238	return 0;
	239	} // if
	240
[81419b5]	241	if ( expraltp ) {
[bff09c8]	242	PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
[81419b5]	243	acceptAll( translationUnit, printer );
[b87a5ed]	244	return 0;
	245	} // if
	246
	247	if ( validp ) {
[1ab4ce2]	248	dump( translationUnit );
[b87a5ed]	249	return 0;
	250	} // if
	251
[25fcb84]	252	PASS( "fixLabels", ControlStruct::fixLabels( translationUnit ) );
[6edd210]	253	PASS( "fixNames", CodeGen::fixNames( translationUnit ) );
	254	PASS( "genInit", InitTweak::genInit( translationUnit ) );
	255	PASS( "expandMemberTuples" , Tuples::expandMemberTuples( translationUnit ) );
[81419b5]	256	if ( libcfap ) {
	257	// generate the bodies of cfa library functions
	258	LibCfa::makeLibCfa( translationUnit );
[b87a5ed]	259	} // if
	260
[fa2de95]	261	if ( declstatsp ) {
	262	CodeTools::printDeclStats( translationUnit );
	263	deleteAll( translationUnit );
	264	return 0;
	265	}
	266
[de62360d]	267	if ( bresolvep ) {
[1ab4ce2]	268	dump( translationUnit );
[de62360d]	269	return 0;
	270	} // if
	271
[76b378d]	272	CodeTools::fillLocations( translationUnit );
	273
[3b3491b]	274	if ( resolvprotop ) {
	275	CodeTools::dumpAsResolvProto( translationUnit );
	276	return 0;
	277	}
	278
[6edd210]	279	PASS( "resolve", ResolvExpr::resolve( translationUnit ) );
[81419b5]	280	if ( exprp ) {
[1ab4ce2]	281	dump( translationUnit );
[ca1c11f]	282	return 0;
[926af74]	283	} // if
[81419b5]	284
[71f4e4f]	285	// fix ObjectDecl - replaces ConstructorInit nodes
[05e6eb5]	286	PASS( "fixInit", InitTweak::fix( translationUnit, buildingLibrary() ) );
[ca1c11f]	287	if ( ctorinitp ) {
	288	dump ( translationUnit );
	289	return 0;
[926af74]	290	} // if
[71f4e4f]	291
[6edd210]	292	PASS( "expandUniqueExpr", Tuples::expandUniqueExpr( translationUnit ) ); // xxx - is this the right place for this? want to expand ASAP so tha, sequent passes don't need to worry about double-visiting a unique expr - needs to go after InitTweak::fix so that copy constructed return declarations are reused
[626dbc10]	293
[6edd210]	294	PASS( "translateEHM" , ControlStruct::translateEHM( translationUnit ) );
	295
	296	PASS( "generateWaitfor" , Concurrency::generateWaitFor( translationUnit ) );
[307a732]	297
[6edd210]	298	PASS( "convertSpecializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded
[9f5ecf5]	299
[6edd210]	300	PASS( "expandTuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this?
[626dbc10]	301
	302	if ( tuplep ) {
	303	dump( translationUnit );
	304	return 0;
	305	}
[141b786]	306
[6edd210]	307	PASS( "virtual expandCasts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM
[a5f0529]	308
[6edd210]	309	PASS( "instantiateGenerics", GenPoly::instantiateGeneric( translationUnit ) );
[53d3ab4b]	310	if ( genericsp ) {
	311	dump( translationUnit );
	312	return 0;
	313	}
[6edd210]	314	PASS( "convertLvalue", GenPoly::convertLvalue( translationUnit ) );
[fea7ca7]	315
[53d3ab4b]	316
[fea7ca7]	317	if ( bboxp ) {
	318	dump( translationUnit );
	319	return 0;
[926af74]	320	} // if
[6edd210]	321	PASS( "box", GenPoly::box( translationUnit ) );
[81419b5]	322
[8905f56]	323	if ( bcodegenp ) {
	324	dump( translationUnit );
	325	return 0;
	326	}
	327
[13de47bc]	328	if ( optind < argc ) { // any commands after the flags and input file ? => output file name
	329	output = new ofstream( argv[ optind ] );
	330	} // if
[0270824]	331
[7b15d7a]	332	CodeTools::fillLocations( translationUnit );
[6edd210]	333	PASS( "codegen", CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, linemarks ) );
[0270824]	334
[37fe352]	335	CodeGen::FixMain::fix( *output, (PreludeDirector + "/bootloader.c").c_str() );
[e6955b1]	336	if ( output != &cout ) {
[b87a5ed]	337	delete output;
	338	} // if
[a16764a6]	339	} catch ( SemanticErrorException &e ) {
[b87a5ed]	340	if ( errorp ) {
[e6955b1]	341	cerr << "---AST at error:---" << endl;
	342	dump( translationUnit, cerr );
	343	cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]	344	} // if
[d55d7a6]	345	e.print();
[e6955b1]	346	if ( output != &cout ) {
[b87a5ed]	347	delete output;
	348	} // if
	349	return 1;
	350	} catch ( UnimplementedError &e ) {
[e6955b1]	351	cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
	352	if ( output != &cout ) {
[b87a5ed]	353	delete output;
	354	} // if
	355	return 1;
	356	} catch ( CompilerError &e ) {
[e6955b1]	357	cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]	358	cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]	359	if ( output != &cout ) {
[b87a5ed]	360	delete output;
	361	} // if
	362	return 1;
[4990812]	363	} catch(...) {
	364	std::exception_ptr eptr = std::current_exception();
	365	try {
	366	if (eptr) {
	367	std::rethrow_exception(eptr);
	368	}
	369	else {
	370	std::cerr << "Exception Uncaught and Unkown" << std::endl;
	371	}
	372	} catch(const std::exception& e) {
[0689cd9]	373	std::cerr << "Uncaught Exception \"" << e.what() << "\"\n";
[4990812]	374	}
	375	return 1;
	376	}// try
[b87a5ed]	377
[39786813]	378	deleteAll( translationUnit );
[6d611fb]	379	if(!libcfap && !treep) HeapStats::printStats();
[b87a5ed]	380	return 0;
[d9a0e76]	381	} // main
[51b7345]	382
[cbaee0d]	383	void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[3b3491b]	384	enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Linemarks, Nolinemarks, Nopreamble, Parse, PreludeDir, Prototypes, Resolver, ResolvProto, Symbol, Tree, TupleExpansion, Validate, };
[0da3e2c]	385
	386	static struct option long_opts[] = {
	387	{ "ast", no_argument, 0, Ast },
	388	{ "before-box", no_argument, 0, Bbox },
	389	{ "before-resolver", no_argument, 0, Bresolver },
	390	{ "ctorinitfix", no_argument, 0, CtorInitFix },
[41a7137]	391	{ "decl-stats", no_argument, 0, DeclStats },
[0da3e2c]	392	{ "expr", no_argument, 0, Expr },
	393	{ "expralt", no_argument, 0, ExprAlt },
	394	{ "grammar", no_argument, 0, Grammar },
	395	{ "libcfa", no_argument, 0, LibCFA },
[6de43b6]	396	{ "line-marks", no_argument, 0, Linemarks },
	397	{ "no-line-marks", no_argument, 0, Nolinemarks },
[0da3e2c]	398	{ "no-preamble", no_argument, 0, Nopreamble },
	399	{ "parse", no_argument, 0, Parse },
[4dcaed2]	400	{ "prelude-dir", required_argument, 0, PreludeDir },
[0da3e2c]	401	{ "no-prototypes", no_argument, 0, Prototypes },
	402	{ "resolver", no_argument, 0, Resolver },
[3b3491b]	403	{ "resolv-proto", no_argument, 0, ResolvProto },
[0da3e2c]	404	{ "symbol", no_argument, 0, Symbol },
	405	{ "tree", no_argument, 0, Tree },
[626dbc10]	406	{ "tuple-expansion", no_argument, 0, TupleExpansion },
[0da3e2c]	407	{ "validate", no_argument, 0, Validate },
	408	{ 0, 0, 0, 0 }
	409	}; // long_opts
	410	int long_index;
	411
	412	opterr = 0; // (global) prevent getopt from printing error messages
	413
[c5e5109]	414	bool Wsuppress = false, Werror = false;
[0da3e2c]	415	int c;
[3b3491b]	416	while ( (c = getopt_long( argc, argv, "abBcCdefgGlLmnNpqrRstTvwW:yzZD:F:", long_opts, &long_index )) != -1 ) {
[0da3e2c]	417	switch ( c ) {
	418	case Ast:
	419	case 'a': // dump AST
	420	astp = true;
	421	break;
	422	case Bresolver:
	423	case 'b': // print before resolver steps
	424	bresolvep = true;
	425	break;
[626dbc10]	426	case 'B': // print before box steps
[0da3e2c]	427	bboxp = true;
	428	break;
	429	case CtorInitFix:
[e39241b]	430	case 'c': // print after constructors and destructors are replaced
[0da3e2c]	431	ctorinitp = true;
	432	break;
[8905f56]	433	case 'C': // print before code generation
	434	bcodegenp = true;
	435	break;
[41a7137]	436	case DeclStats:
	437	case 'd':
	438	declstatsp = true;
	439	break;
[0da3e2c]	440	case Expr:
	441	case 'e': // dump AST after expression analysis
	442	exprp = true;
	443	break;
	444	case ExprAlt:
	445	case 'f': // print alternatives for expressions
	446	expraltp = true;
	447	break;
	448	case Grammar:
	449	case 'g': // bison debugging info (grammar rules)
[926af74]	450	yydebug = true;
[0da3e2c]	451	break;
[44bca7f]	452	case 'G': // dump AST after instantiate generics
[53d3ab4b]	453	genericsp = true;
	454	break;
[0da3e2c]	455	case LibCFA:
	456	case 'l': // generate libcfa.c
	457	libcfap = true;
	458	break;
[6de43b6]	459	case Linemarks:
	460	case 'L': // print lines marks
	461	linemarks = true;
[c850687]	462	break;
[0da3e2c]	463	case Nopreamble:
	464	case 'n': // do not read preamble
	465	nopreludep = true;
	466	break;
[6de43b6]	467	case Nolinemarks:
	468	case 'N': // suppress line marks
	469	linemarks = false;
[c59bde6]	470	break;
[0da3e2c]	471	case Prototypes:
	472	case 'p': // generate prototypes for preamble functions
	473	noprotop = true;
	474	break;
[4dcaed2]	475	case PreludeDir:
	476	PreludeDirector = optarg;
	477	break;
[3fe34ae]	478	case 'm': // don't replace the main
	479	nomainp = true;
	480	break;
[0da3e2c]	481	case Parse:
	482	case 'q': // dump parse tree
	483	parsep = true;
	484	break;
	485	case Resolver:
	486	case 'r': // print resolver steps
	487	resolvep = true;
	488	break;
[3b3491b]	489	case 'R': // dump resolv-proto instance
	490	resolvprotop = true;
	491	break;
[0da3e2c]	492	case Symbol:
	493	case 's': // print symbol table events
	494	symtabp = true;
	495	break;
	496	case Tree:
	497	case 't': // build in tree
	498	treep = true;
	499	break;
[626dbc10]	500	case TupleExpansion:
	501	case 'T': // print after tuple expansion
	502	tuplep = true;
	503	break;
[0da3e2c]	504	case 'v': // dump AST after decl validation pass
	505	validp = true;
	506	break;
[44bca7f]	507	case 'w':
[c5e5109]	508	Wsuppress = true;
[44bca7f]	509	break;
	510	case 'W':
	511	if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]	512	SemanticWarning_EnableAll();
[44bca7f]	513	} else if ( strcmp( optarg, "error" ) == 0 ) {
	514	Werror = true;
	515	} else {
	516	char * warning = optarg;
	517	Severity s;
	518	if ( strncmp( optarg, "no-", 3 ) == 0 ) {
	519	warning += 3;
	520	s = Severity::Suppress;
	521	} else {
	522	s = Severity::Warn;
	523	} // if
[68e9ace]	524	SemanticWarning_Set( warning, s );
[44bca7f]	525	} // if
	526	break;
[e39241b]	527	case 'y': // dump AST on error
[0da3e2c]	528	errorp = true;
	529	break;
[e39241b]	530	case 'z': // dump as codegen rather than AST
[0da3e2c]	531	codegenp = true;
[e39241b]	532	break;
	533	case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.)
[35b1bf4]	534	prettycodegenp = true;
[0da3e2c]	535	break;
	536	case 'D': // ignore -Dxxx
	537	break;
	538	case 'F': // source file-name without suffix
	539	filename = optarg;
	540	break;
	541	case '?':
[ae47a23]	542	if ( optopt ) { // short option ?
	543	assertf( false, "Unknown option: -%c\n", (char)optopt );
	544	} else {
	545	assertf( false, "Unknown option: %s\n", argv[optind - 1] );
	546	} // if
[b6d7f44]	547	#if defined(__GNUC__) && __GNUC__ >= 7
[af98d27]	548	__attribute__((fallthrough));
	549	#endif
[0da3e2c]	550	default:
	551	abort();
	552	} // switch
	553	} // while
[44bca7f]	554
	555	if ( Werror ) {
[68e9ace]	556	SemanticWarning_WarningAsError();
[44bca7f]	557	} // if
[c5e5109]	558	if ( Wsuppress ) {
	559	SemanticWarning_SuppressAll();
	560	} // if
[44bca7f]	561	// for ( const auto w : WarningFormats ) {
	562	// cout << w.name << ' ' << (int)w.severity << endl;
	563	// } // for
[0da3e2c]	564	} // parse_cmdline
	565
[8b7ee09]	566	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]	567	extern int yyparse( void );
[cbaee0d]	568	extern FILE * yyin;
[0da3e2c]	569	extern int yylineno;
	570
[8b7ee09]	571	::linkage = linkage; // set globals
[0da3e2c]	572	yyin = input;
	573	yylineno = 1;
	574	int parseStatus = yyparse();
[81419b5]	575
	576	fclose( input );
[0da3e2c]	577	if ( shouldExit \|\| parseStatus != 0 ) {
	578	exit( parseStatus );
[81419b5]	579	} // if
[0da3e2c]	580	} // parse
[81419b5]	581
[1ab4ce2]	582	static bool notPrelude( Declaration * decl ) {
	583	return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]	584	} // notPrelude
[1ab4ce2]	585
[e6955b1]	586	static void dump( list< Declaration * > & translationUnit, ostream & out ) {
	587	list< Declaration * > decls;
[926af74]	588
[1ab4ce2]	589	if ( noprotop ) {
[e6955b1]	590	filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]	591	} else {
	592	decls = translationUnit;
[926af74]	593	} // if
[1ab4ce2]	594
[e39241b]	595	// depending on commandline options, either generate code or dump the AST
	596	if ( codegenp ) {
	597	CodeGen::generate( decls, out, ! noprotop, prettycodegenp );
	598	} else {
	599	printAll( decls, out );
	600	}
[7f5566b]	601	deleteAll( translationUnit );
[0da3e2c]	602	} // dump
[1ab4ce2]	603
[51b7345]	604	// Local Variables: //
[b87a5ed]	605	// tab-width: 4 //
	606	// mode: c++ //
	607	// compile-command: "make install" //
[51b7345]	608	// End: //

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