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source: src/main.cc @ 7f38b67a

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

Last change on this file since 7f38b67a was 7f38b67a, checked in by Rob Schluntz <rschlunt@…>, 6 years ago
Factor global booleans into CompilationState?
Property mode set to `100644`
File size: 19.6 KB

Rev	Line
[b87a5ed]	1	//
	2	// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
	3	//
	4	// The contents of this file are covered under the licence agreement in the
	5	// file "LICENCE" distributed with Cforall.
	6	//
[71f4e4f]	7	// main.cc --
[b87a5ed]	8	//
[843054c2]	9	// Author : Richard C. Bilson
[b87a5ed]	10	// Created On : Fri May 15 23:12:02 2015
[c59bde6]	11	// Last Modified By : Peter A. Buhr
[af84a35]	12	// Last Modified On : Wed Jun 6 15:51:47 2018
	13	// Update Count : 498
[b87a5ed]	14	//
	15
[bf2438c]	16	#include <cxxabi.h> // for __cxa_demangle
	17	#include <execinfo.h> // for backtrace, backtrace_symbols
	18	#include <getopt.h> // for no_argument, optind, geto...
	19	#include <signal.h> // for signal, SIGABRT, SIGSEGV
[08fc48f]	20	#include <cassert> // for assertf
[bf2438c]	21	#include <cstdio> // for fopen, FILE, fclose, stdin
	22	#include <cstdlib> // for exit, free, abort, EXIT_F...
	23	#include <cstring> // for index
[be9288a]	24	#include <fstream> // for ofstream
[bf2438c]	25	#include <iostream> // for operator<<, basic_ostream
	26	#include <iterator> // for back_inserter
	27	#include <list> // for list
[08fc48f]	28	#include <string> // for char_traits, operator<<
[e6955b1]	29
[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
	36	#include "CodeTools/TrackLoc.h" // for fillLocations
	37	#include "Common/CompilerError.h" // for CompilerError
[cbbd5b48]	38	#include "Common/Heap.h"
	39	#include "Common/PassVisitor.h"
[bf2438c]	40	#include "Common/SemanticError.h" // for SemanticError
	41	#include "Common/UnimplementedError.h" // for UnimplementedError
	42	#include "Common/utility.h" // for deleteAll, filter, printAll
[9f5ecf5]	43	#include "Concurrency/Waitfor.h" // for generateWaitfor
[bf2438c]	44	#include "ControlStruct/ExceptTranslate.h" // for translateEHM
	45	#include "ControlStruct/Mutate.h" // for mutate
	46	#include "GenPoly/Box.h" // for box
	47	#include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
	48	#include "GenPoly/Lvalue.h" // for convertLvalue
	49	#include "GenPoly/Specialize.h" // for convertSpecializations
	50	#include "InitTweak/FixInit.h" // for fix
	51	#include "InitTweak/GenInit.h" // for genInit
	52	#include "MakeLibCfa.h" // for makeLibCfa
	53	#include "Parser/LinkageSpec.h" // for Spec, Cforall, Intrinsic
	54	#include "Parser/ParseNode.h" // for DeclarationNode, buildList
	55	#include "Parser/TypedefTable.h" // for TypedefTable
	56	#include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter
	57	#include "ResolvExpr/Resolver.h" // for resolve
	58	#include "SymTab/Validate.h" // for validate
	59	#include "SynTree/Declaration.h" // for Declaration
	60	#include "SynTree/Visitor.h" // for acceptAll
	61	#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a5f0529]	62	#include "Virtual/ExpandCasts.h" // for expandCasts
[51b7345]	63
	64	using namespace std;
	65
[6edd210]	66	#define PASS(name, pass) \
[ecaeac6e]	67	if ( errorp ) { cerr << name << endl; } \
	68	HeapStats::newPass(name); \
[6edd210]	69	pass;
[0da3e2c]	70
[8b7ee09]	71	LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]	72	TypedefTable typedefTable;
[cbaee0d]	73	DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]	74
[926af74]	75	static void parse_cmdline( int argc, char argv[], const char & filename );
[8b7ee09]	76	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]	77	static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
	78
[0afffee]	79	static void backtrace( int start ) { // skip first N stack frames
[e6955b1]	80	enum { Frames = 50 };
	81	void * array[Frames];
[0afffee]	82	int size = ::backtrace( array, Frames );
	83	char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
	84
	85	*index( messages[0], '(' ) = '\0'; // find executable name
	86	cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]	87
[b542bfb]	88	// skip last 2 stack frames after main
	89	for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]	90	char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
	91	for ( char p = messages[i]; p; ++p ) { // find parantheses and +offset
[0afffee]	92	if ( *p == '(' ) {
[46f6134]	93	mangled_name = p;
[0afffee]	94	} else if ( *p == '+' ) {
[e6955b1]	95	offset_begin = p;
[0afffee]	96	} else if ( *p == ')' ) {
[e6955b1]	97	offset_end = p;
	98	break;
	99	} // if
	100	} // for
	101
	102	// if line contains symbol, attempt to demangle
[b542bfb]	103	int frameNo = i - start;
[e6955b1]	104	if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]	105	*mangled_name++ = '\0'; // delimit strings
[e6955b1]	106	*offset_begin++ = '\0';
	107	*offset_end++ = '\0';
	108
[0afffee]	109	int status;
[e6955b1]	110	char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]	111	// bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]	112	if ( status == 0 ) { // demangling successful ?
[b542bfb]	113	cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]	114	<< real_name << "+" << offset_begin << offset_end << endl;
	115	} else { // otherwise, output mangled name
[b542bfb]	116	cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]	117	<< mangled_name << "(/unknown/)+" << offset_begin << offset_end << endl;
[e6955b1]	118	} // if
[0afffee]	119
[e6955b1]	120	free( real_name );
	121	} else { // otherwise, print the whole line
[b542bfb]	122	cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]	123	} // if
	124	} // for
[b542bfb]	125
[e6955b1]	126	free( messages );
[b542bfb]	127	} // backtrace
	128
	129	void sigSegvBusHandler( int sig_num ) {
	130	cerr << "CFA runtime error program cfa-cpp terminated with "
	131	<< (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]	132	<< "." << endl;
[b542bfb]	133	backtrace( 2 ); // skip first 2 stack frames
[af84a35]	134	//_exit( EXIT_FAILURE );
	135	abort();
[e6955b1]	136	} // sigSegvBusHandler
[0da3e2c]	137
[b3c36f4]	138	void sigAbortHandler( __attribute__((unused)) int sig_num ) {
[b542bfb]	139	backtrace( 6 ); // skip first 6 stack frames
	140	signal( SIGABRT, SIG_DFL); // reset default signal handler
	141	raise( SIGABRT ); // reraise SIGABRT
	142	} // sigAbortHandler
	143
	144
[cbaee0d]	145	int main( int argc, char * argv[] ) {
[3b8e52c]	146	FILE * input; // use FILE rather than istream because yyin is FILE
[e6955b1]	147	ostream *output = & cout;
[926af74]	148	const char *filename = nullptr;
[e6955b1]	149	list< Declaration * > translationUnit;
	150
	151	signal( SIGSEGV, sigSegvBusHandler );
	152	signal( SIGBUS, sigSegvBusHandler );
[b542bfb]	153	signal( SIGABRT, sigAbortHandler );
[b87a5ed]	154
[44bca7f]	155	// std::cout << "main" << std::endl;
	156	// for ( int i = 0; i < argc; i += 1 ) {
	157	// std::cout << '\t' << argv[i] << std::endl;
	158	// } // for
	159
[0da3e2c]	160	parse_cmdline( argc, argv, filename ); // process command-line arguments
[13de47bc]	161	CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]	162
	163	try {
[81419b5]	164	// choose to read the program from a file or stdin
[3b8e52c]	165	if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]	166	input = fopen( argv[ optind ], "r" );
[3b8e52c]	167	assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162]	168	// if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]	169	if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]	170	// prelude filename comes in differently
	171	if ( libcfap ) filename = "prelude.cf";
[b87a5ed]	172	optind += 1;
[3b8e52c]	173	} else { // no input file name
[b87a5ed]	174	input = stdin;
[2a7e29b]	175	// if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
	176	// a fake name along
[926af74]	177	if ( filename == nullptr ) filename = "stdin";
[b87a5ed]	178	} // if
	179
[159c62e]	180	// read in the builtins, extras, and the prelude
[de62360d]	181	if ( ! nopreludep ) { // include gcc builtins
[faf8857]	182	// -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]	183
	184	// Read to gcc builtins, if not generating the cfa library
[6ce3ae9]	185	FILE * gcc_builtins = fopen( libcfap \| treep ? "../prelude/gcc-builtins.cf" : CFA_LIBDIR "/gcc-builtins.cf", "r" );
	186	assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
	187	parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]	188
[159c62e]	189	// read the extra prelude in, if not generating the cfa library
[375a068]	190	FILE * extras = fopen( libcfap \| treep ? "../prelude/extras.cf" : CFA_LIBDIR "/extras.cf", "r" );
[3b8e52c]	191	assertf( extras, "cannot open extras.cf\n" );
[f0994a1]	192	parse( extras, LinkageSpec::BuiltinC );
[159c62e]	193
[81419b5]	194	if ( ! libcfap ) {
[faf8857]	195	// read the prelude in, if not generating the cfa library
[375a068]	196	FILE * prelude = fopen( treep ? "../prelude/prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
[3b8e52c]	197	assertf( prelude, "cannot open prelude.cf\n" );
[35304009]	198	parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]	199
	200	// Read to cfa builtins, if not generating the cfa library
	201	FILE * builtins = fopen( libcfap \| treep ? "../prelude/builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
	202	assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]	203	parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]	204	} // if
	205	} // if
[81419b5]	206
[926af74]	207	parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]	208
[b87a5ed]	209	if ( parsep ) {
[e6955b1]	210	parseTree->printList( cout );
[0da3e2c]	211	delete parseTree;
[b87a5ed]	212	return 0;
	213	} // if
	214
[0da3e2c]	215	buildList( parseTree, translationUnit );
	216	delete parseTree;
[cbaee0d]	217	parseTree = nullptr;
[b87a5ed]	218
	219	if ( astp ) {
[1ab4ce2]	220	dump( translationUnit );
[b87a5ed]	221	return 0;
	222	} // if
	223
[036dd5f]	224	// Temporary: fill locations after parsing so that every node has a location, for early error messages.
	225	// Eventually we should pass the locations from the parser to every node, but this quick and dirty solution
	226	// works okay for now.
	227	CodeTools::fillLocations( translationUnit );
	228
[839ccbb]	229	// add the assignment statement after the initialization of a type parameter
[6edd210]	230	PASS( "validate", SymTab::validate( translationUnit, symtabp ) );
[81419b5]	231	if ( symtabp ) {
[46f6134]	232	deleteAll( translationUnit );
[b87a5ed]	233	return 0;
	234	} // if
	235
[81419b5]	236	if ( expraltp ) {
[bff09c8]	237	PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
[81419b5]	238	acceptAll( translationUnit, printer );
[b87a5ed]	239	return 0;
	240	} // if
	241
	242	if ( validp ) {
[1ab4ce2]	243	dump( translationUnit );
[b87a5ed]	244	return 0;
	245	} // if
	246
[25fcb84]	247	PASS( "fixLabels", ControlStruct::fixLabels( translationUnit ) );
[6edd210]	248	PASS( "fixNames", CodeGen::fixNames( translationUnit ) );
	249	PASS( "genInit", InitTweak::genInit( translationUnit ) );
	250	PASS( "expandMemberTuples" , Tuples::expandMemberTuples( translationUnit ) );
[81419b5]	251	if ( libcfap ) {
	252	// generate the bodies of cfa library functions
	253	LibCfa::makeLibCfa( translationUnit );
[b87a5ed]	254	} // if
	255
[fa2de95]	256	if ( declstatsp ) {
	257	CodeTools::printDeclStats( translationUnit );
	258	deleteAll( translationUnit );
	259	return 0;
	260	}
	261
[de62360d]	262	if ( bresolvep ) {
[1ab4ce2]	263	dump( translationUnit );
[de62360d]	264	return 0;
	265	} // if
	266
[76b378d]	267	CodeTools::fillLocations( translationUnit );
	268
[6edd210]	269	PASS( "resolve", ResolvExpr::resolve( translationUnit ) );
[81419b5]	270	if ( exprp ) {
[1ab4ce2]	271	dump( translationUnit );
[ca1c11f]	272	return 0;
[926af74]	273	} // if
[81419b5]	274
[71f4e4f]	275	// fix ObjectDecl - replaces ConstructorInit nodes
[1be845b]	276	PASS( "fixInit", InitTweak::fix( translationUnit, libcfap \|\| treep ) );
[ca1c11f]	277	if ( ctorinitp ) {
	278	dump ( translationUnit );
	279	return 0;
[926af74]	280	} // if
[71f4e4f]	281
[6edd210]	282	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]	283
[6edd210]	284	PASS( "translateEHM" , ControlStruct::translateEHM( translationUnit ) );
	285
	286	PASS( "generateWaitfor" , Concurrency::generateWaitFor( translationUnit ) );
[307a732]	287
[6edd210]	288	PASS( "convertSpecializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded
[9f5ecf5]	289
[6edd210]	290	PASS( "expandTuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this?
[626dbc10]	291
	292	if ( tuplep ) {
	293	dump( translationUnit );
	294	return 0;
	295	}
[141b786]	296
[6edd210]	297	PASS( "virtual expandCasts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM
[a5f0529]	298
[6edd210]	299	PASS( "instantiateGenerics", GenPoly::instantiateGeneric( translationUnit ) );
[53d3ab4b]	300	if ( genericsp ) {
	301	dump( translationUnit );
	302	return 0;
	303	}
[6edd210]	304	PASS( "convertLvalue", GenPoly::convertLvalue( translationUnit ) );
[fea7ca7]	305
[53d3ab4b]	306
[fea7ca7]	307	if ( bboxp ) {
	308	dump( translationUnit );
	309	return 0;
[926af74]	310	} // if
[6edd210]	311	PASS( "box", GenPoly::box( translationUnit ) );
[81419b5]	312
[8905f56]	313	if ( bcodegenp ) {
	314	dump( translationUnit );
	315	return 0;
	316	}
	317
[13de47bc]	318	if ( optind < argc ) { // any commands after the flags and input file ? => output file name
	319	output = new ofstream( argv[ optind ] );
	320	} // if
[0270824]	321
[7b15d7a]	322	CodeTools::fillLocations( translationUnit );
[6edd210]	323	PASS( "codegen", CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, linemarks ) );
[0270824]	324
[13de47bc]	325	CodeGen::FixMain::fix( *output, treep ? "../prelude/bootloader.c" : CFA_LIBDIR "/bootloader.c" );
[e6955b1]	326	if ( output != &cout ) {
[b87a5ed]	327	delete output;
	328	} // if
[a16764a6]	329	} catch ( SemanticErrorException &e ) {
[b87a5ed]	330	if ( errorp ) {
[e6955b1]	331	cerr << "---AST at error:---" << endl;
	332	dump( translationUnit, cerr );
	333	cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]	334	} // if
[d55d7a6]	335	e.print();
[e6955b1]	336	if ( output != &cout ) {
[b87a5ed]	337	delete output;
	338	} // if
	339	return 1;
	340	} catch ( UnimplementedError &e ) {
[e6955b1]	341	cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
	342	if ( output != &cout ) {
[b87a5ed]	343	delete output;
	344	} // if
	345	return 1;
	346	} catch ( CompilerError &e ) {
[e6955b1]	347	cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]	348	cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]	349	if ( output != &cout ) {
[b87a5ed]	350	delete output;
	351	} // if
	352	return 1;
[4990812]	353	} catch(...) {
	354	std::exception_ptr eptr = std::current_exception();
	355	try {
	356	if (eptr) {
	357	std::rethrow_exception(eptr);
	358	}
	359	else {
	360	std::cerr << "Exception Uncaught and Unkown" << std::endl;
	361	}
	362	} catch(const std::exception& e) {
	363	std::cerr << "Unaught Exception \"" << e.what() << "\"\n";
	364	}
	365	return 1;
	366	}// try
[b87a5ed]	367
[39786813]	368	deleteAll( translationUnit );
[6d611fb]	369	if(!libcfap && !treep) HeapStats::printStats();
[b87a5ed]	370	return 0;
[d9a0e76]	371	} // main
[51b7345]	372
[cbaee0d]	373	void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[6de43b6]	374	enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Linemarks, Nolinemarks, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, TupleExpansion, Validate, };
[0da3e2c]	375
	376	static struct option long_opts[] = {
	377	{ "ast", no_argument, 0, Ast },
	378	{ "before-box", no_argument, 0, Bbox },
	379	{ "before-resolver", no_argument, 0, Bresolver },
	380	{ "ctorinitfix", no_argument, 0, CtorInitFix },
[41a7137]	381	{ "decl-stats", no_argument, 0, DeclStats },
[0da3e2c]	382	{ "expr", no_argument, 0, Expr },
	383	{ "expralt", no_argument, 0, ExprAlt },
	384	{ "grammar", no_argument, 0, Grammar },
	385	{ "libcfa", no_argument, 0, LibCFA },
[6de43b6]	386	{ "line-marks", no_argument, 0, Linemarks },
	387	{ "no-line-marks", no_argument, 0, Nolinemarks },
[0da3e2c]	388	{ "no-preamble", no_argument, 0, Nopreamble },
	389	{ "parse", no_argument, 0, Parse },
	390	{ "no-prototypes", no_argument, 0, Prototypes },
	391	{ "resolver", no_argument, 0, Resolver },
	392	{ "symbol", no_argument, 0, Symbol },
	393	{ "tree", no_argument, 0, Tree },
[626dbc10]	394	{ "tuple-expansion", no_argument, 0, TupleExpansion },
[0da3e2c]	395	{ "validate", no_argument, 0, Validate },
	396	{ 0, 0, 0, 0 }
	397	}; // long_opts
	398	int long_index;
	399
	400	opterr = 0; // (global) prevent getopt from printing error messages
	401
[c5e5109]	402	bool Wsuppress = false, Werror = false;
[0da3e2c]	403	int c;
[44bca7f]	404	while ( (c = getopt_long( argc, argv, "abBcCdefgGlLmnNpqrstTvwW:yzZD:F:", long_opts, &long_index )) != -1 ) {
[0da3e2c]	405	switch ( c ) {
	406	case Ast:
	407	case 'a': // dump AST
	408	astp = true;
	409	break;
	410	case Bresolver:
	411	case 'b': // print before resolver steps
	412	bresolvep = true;
	413	break;
[626dbc10]	414	case 'B': // print before box steps
[0da3e2c]	415	bboxp = true;
	416	break;
	417	case CtorInitFix:
[e39241b]	418	case 'c': // print after constructors and destructors are replaced
[0da3e2c]	419	ctorinitp = true;
	420	break;
[8905f56]	421	case 'C': // print before code generation
	422	bcodegenp = true;
	423	break;
[41a7137]	424	case DeclStats:
	425	case 'd':
	426	declstatsp = true;
	427	break;
[0da3e2c]	428	case Expr:
	429	case 'e': // dump AST after expression analysis
	430	exprp = true;
	431	break;
	432	case ExprAlt:
	433	case 'f': // print alternatives for expressions
	434	expraltp = true;
	435	break;
	436	case Grammar:
	437	case 'g': // bison debugging info (grammar rules)
[926af74]	438	yydebug = true;
[0da3e2c]	439	break;
[44bca7f]	440	case 'G': // dump AST after instantiate generics
[53d3ab4b]	441	genericsp = true;
	442	break;
[0da3e2c]	443	case LibCFA:
	444	case 'l': // generate libcfa.c
	445	libcfap = true;
	446	break;
[6de43b6]	447	case Linemarks:
	448	case 'L': // print lines marks
	449	linemarks = true;
[c850687]	450	break;
[0da3e2c]	451	case Nopreamble:
	452	case 'n': // do not read preamble
	453	nopreludep = true;
	454	break;
[6de43b6]	455	case Nolinemarks:
	456	case 'N': // suppress line marks
	457	linemarks = false;
[c59bde6]	458	break;
[0da3e2c]	459	case Prototypes:
	460	case 'p': // generate prototypes for preamble functions
	461	noprotop = true;
	462	break;
[3fe34ae]	463	case 'm': // don't replace the main
	464	nomainp = true;
	465	break;
[0da3e2c]	466	case Parse:
	467	case 'q': // dump parse tree
	468	parsep = true;
	469	break;
	470	case Resolver:
	471	case 'r': // print resolver steps
	472	resolvep = true;
	473	break;
	474	case Symbol:
	475	case 's': // print symbol table events
	476	symtabp = true;
	477	break;
	478	case Tree:
	479	case 't': // build in tree
	480	treep = true;
	481	break;
[626dbc10]	482	case TupleExpansion:
	483	case 'T': // print after tuple expansion
	484	tuplep = true;
	485	break;
[0da3e2c]	486	case 'v': // dump AST after decl validation pass
	487	validp = true;
	488	break;
[44bca7f]	489	case 'w':
[c5e5109]	490	Wsuppress = true;
[44bca7f]	491	break;
	492	case 'W':
	493	if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]	494	SemanticWarning_EnableAll();
[44bca7f]	495	} else if ( strcmp( optarg, "error" ) == 0 ) {
	496	Werror = true;
	497	} else {
	498	char * warning = optarg;
	499	Severity s;
	500	if ( strncmp( optarg, "no-", 3 ) == 0 ) {
	501	warning += 3;
	502	s = Severity::Suppress;
	503	} else {
	504	s = Severity::Warn;
	505	} // if
[68e9ace]	506	SemanticWarning_Set( warning, s );
[44bca7f]	507	} // if
	508	break;
[e39241b]	509	case 'y': // dump AST on error
[0da3e2c]	510	errorp = true;
	511	break;
[e39241b]	512	case 'z': // dump as codegen rather than AST
[0da3e2c]	513	codegenp = true;
[e39241b]	514	break;
	515	case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.)
[35b1bf4]	516	prettycodegenp = true;
[0da3e2c]	517	break;
	518	case 'D': // ignore -Dxxx
	519	break;
	520	case 'F': // source file-name without suffix
	521	filename = optarg;
	522	break;
	523	case '?':
[ae47a23]	524	if ( optopt ) { // short option ?
	525	assertf( false, "Unknown option: -%c\n", (char)optopt );
	526	} else {
	527	assertf( false, "Unknown option: %s\n", argv[optind - 1] );
	528	} // if
[b6d7f44]	529	#if defined(__GNUC__) && __GNUC__ >= 7
[af98d27]	530	__attribute__((fallthrough));
	531	#endif
[0da3e2c]	532	default:
	533	abort();
	534	} // switch
	535	} // while
[44bca7f]	536
	537	if ( Werror ) {
[68e9ace]	538	SemanticWarning_WarningAsError();
[44bca7f]	539	} // if
[c5e5109]	540	if ( Wsuppress ) {
	541	SemanticWarning_SuppressAll();
	542	} // if
[44bca7f]	543	// for ( const auto w : WarningFormats ) {
	544	// cout << w.name << ' ' << (int)w.severity << endl;
	545	// } // for
[0da3e2c]	546	} // parse_cmdline
	547
[8b7ee09]	548	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]	549	extern int yyparse( void );
[cbaee0d]	550	extern FILE * yyin;
[0da3e2c]	551	extern int yylineno;
	552
[8b7ee09]	553	::linkage = linkage; // set globals
[0da3e2c]	554	yyin = input;
	555	yylineno = 1;
	556	int parseStatus = yyparse();
[81419b5]	557
	558	fclose( input );
[0da3e2c]	559	if ( shouldExit \|\| parseStatus != 0 ) {
	560	exit( parseStatus );
[81419b5]	561	} // if
[0da3e2c]	562	} // parse
[81419b5]	563
[1ab4ce2]	564	static bool notPrelude( Declaration * decl ) {
	565	return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]	566	} // notPrelude
[1ab4ce2]	567
[e6955b1]	568	static void dump( list< Declaration * > & translationUnit, ostream & out ) {
	569	list< Declaration * > decls;
[926af74]	570
[1ab4ce2]	571	if ( noprotop ) {
[e6955b1]	572	filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]	573	} else {
	574	decls = translationUnit;
[926af74]	575	} // if
[1ab4ce2]	576
[e39241b]	577	// depending on commandline options, either generate code or dump the AST
	578	if ( codegenp ) {
	579	CodeGen::generate( decls, out, ! noprotop, prettycodegenp );
	580	} else {
	581	printAll( decls, out );
	582	}
[7f5566b]	583	deleteAll( translationUnit );
[0da3e2c]	584	} // dump
[1ab4ce2]	585
[51b7345]	586	// Local Variables: //
[b87a5ed]	587	// tab-width: 4 //
	588	// mode: c++ //
	589	// compile-command: "make install" //
[51b7345]	590	// End: //

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