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source: src/main.cc @ 6d53e779

new-env

Last change on this file since 6d53e779 was eba74ba, checked in by Aaron Moss <a3moss@…>, 6 years ago
Merge remote-tracking branch 'origin/master' into with_gc
Property mode set to `100644`
File size: 19.9 KB

Rev	Line
[c850687]	1
[b87a5ed]	2	//
	3	// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
	4	//
	5	// The contents of this file are covered under the licence agreement in the
	6	// file "LICENCE" distributed with Cforall.
	7	//
[71f4e4f]	8	// main.cc --
[b87a5ed]	9	//
[843054c2]	10	// Author : Richard C. Bilson
[b87a5ed]	11	// Created On : Fri May 15 23:12:02 2015
[c59bde6]	12	// Last Modified By : Peter A. Buhr
[c5e5109]	13	// Last Modified On : Mon May 7 14:35:57 2018
	14	// Update Count : 492
[b87a5ed]	15	//
	16
[bf2438c]	17	#include <cxxabi.h> // for __cxa_demangle
	18	#include <execinfo.h> // for backtrace, backtrace_symbols
	19	#include <getopt.h> // for no_argument, optind, geto...
	20	#include <signal.h> // for signal, SIGABRT, SIGSEGV
[08fc48f]	21	#include <cassert> // for assertf
[bf2438c]	22	#include <cstdio> // for fopen, FILE, fclose, stdin
	23	#include <cstdlib> // for exit, free, abort, EXIT_F...
	24	#include <cstring> // for index
[be9288a]	25	#include <fstream> // for ofstream
[bf2438c]	26	#include <iostream> // for operator<<, basic_ostream
	27	#include <iterator> // for back_inserter
	28	#include <list> // for list
[08fc48f]	29	#include <string> // for char_traits, operator<<
[e6955b1]	30
[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
[ff29f08]	38	#include "Common/GC.h" // for GC
[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
[68f9c43]	61	#include "SynTree/GcTracer.h" // for GC << TranslationUnit
[bf2438c]	62	#include "SynTree/Visitor.h" // for acceptAll
	63	#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a5f0529]	64	#include "Virtual/ExpandCasts.h" // for expandCasts
[51b7345]	65
	66	using namespace std;
	67
[6edd210]	68	#define PASS(name, pass) \
[ecaeac6e]	69	if ( errorp ) { cerr << name << endl; } \
	70	HeapStats::newPass(name); \
[6edd210]	71	pass;
[81419b5]	72
[8b7ee09]	73	LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]	74	TypedefTable typedefTable;
[cbaee0d]	75	DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]	76
[926af74]	77	extern int yydebug; // set for -g flag (Grammar)
[b87a5ed]	78	bool
	79	astp = false,
[de62360d]	80	bresolvep = false,
[fea7ca7]	81	bboxp = false,
[8905f56]	82	bcodegenp = false,
[ca1c11f]	83	ctorinitp = false,
[41a7137]	84	declstatsp = false,
[b87a5ed]	85	exprp = false,
	86	expraltp = false,
[53d3ab4b]	87	genericsp = false,
[b87a5ed]	88	libcfap = false,
[de62360d]	89	nopreludep = false,
[1ab4ce2]	90	noprotop = false,
[3fe34ae]	91	nomainp = false,
[de62360d]	92	parsep = false,
[b87a5ed]	93	resolvep = false, // used in AlternativeFinder
	94	symtabp = false,
[d3b7937]	95	treep = false,
[626dbc10]	96	tuplep = false,
[b87a5ed]	97	validp = false,
[de62360d]	98	errorp = false,
[35b1bf4]	99	codegenp = false,
[c850687]	100	prettycodegenp = false,
[6de43b6]	101	linemarks = false;
[b87a5ed]	102
[926af74]	103	static void parse_cmdline( int argc, char argv[], const char & filename );
[8b7ee09]	104	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]	105	static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
	106
[0afffee]	107	static void backtrace( int start ) { // skip first N stack frames
[e6955b1]	108	enum { Frames = 50 };
	109	void * array[Frames];
[0afffee]	110	int size = ::backtrace( array, Frames );
	111	char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
	112
	113	*index( messages[0], '(' ) = '\0'; // find executable name
	114	cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]	115
[b542bfb]	116	// skip last 2 stack frames after main
	117	for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]	118	char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
	119	for ( char p = messages[i]; p; ++p ) { // find parantheses and +offset
[0afffee]	120	if ( *p == '(' ) {
[46f6134]	121	mangled_name = p;
[0afffee]	122	} else if ( *p == '+' ) {
[e6955b1]	123	offset_begin = p;
[0afffee]	124	} else if ( *p == ')' ) {
[e6955b1]	125	offset_end = p;
	126	break;
	127	} // if
	128	} // for
	129
	130	// if line contains symbol, attempt to demangle
[b542bfb]	131	int frameNo = i - start;
[e6955b1]	132	if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]	133	*mangled_name++ = '\0'; // delimit strings
[e6955b1]	134	*offset_begin++ = '\0';
	135	*offset_end++ = '\0';
	136
[0afffee]	137	int status;
[e6955b1]	138	char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]	139	// bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]	140	if ( status == 0 ) { // demangling successful ?
[b542bfb]	141	cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]	142	<< real_name << "+" << offset_begin << offset_end << endl;
	143	} else { // otherwise, output mangled name
[b542bfb]	144	cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]	145	<< mangled_name << "(/unknown/)+" << offset_begin << offset_end << endl;
[e6955b1]	146	} // if
[0afffee]	147
[e6955b1]	148	free( real_name );
	149	} else { // otherwise, print the whole line
[b542bfb]	150	cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]	151	} // if
	152	} // for
[b542bfb]	153
[e6955b1]	154	free( messages );
[b542bfb]	155	} // backtrace
	156
	157	void sigSegvBusHandler( int sig_num ) {
	158	cerr << "CFA runtime error program cfa-cpp terminated with "
	159	<< (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]	160	<< "." << endl;
[b542bfb]	161	backtrace( 2 ); // skip first 2 stack frames
[e6955b1]	162	exit( EXIT_FAILURE );
	163	} // sigSegvBusHandler
[0da3e2c]	164
[b3c36f4]	165	void sigAbortHandler( __attribute__((unused)) int sig_num ) {
[b542bfb]	166	backtrace( 6 ); // skip first 6 stack frames
	167	signal( SIGABRT, SIG_DFL); // reset default signal handler
	168	raise( SIGABRT ); // reraise SIGABRT
	169	} // sigAbortHandler
	170
	171
[cbaee0d]	172	int main( int argc, char * argv[] ) {
[3b8e52c]	173	FILE * input; // use FILE rather than istream because yyin is FILE
[e6955b1]	174	ostream *output = & cout;
[926af74]	175	const char *filename = nullptr;
[e6955b1]	176	list< Declaration * > translationUnit;
	177
	178	signal( SIGSEGV, sigSegvBusHandler );
	179	signal( SIGBUS, sigSegvBusHandler );
[b542bfb]	180	signal( SIGABRT, sigAbortHandler );
[b87a5ed]	181
[0da3e2c]	182	parse_cmdline( argc, argv, filename ); // process command-line arguments
[13de47bc]	183	CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]	184
	185	try {
[81419b5]	186	// choose to read the program from a file or stdin
[3b8e52c]	187	if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]	188	input = fopen( argv[ optind ], "r" );
[3b8e52c]	189	assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162]	190	// if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]	191	if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]	192	// prelude filename comes in differently
	193	if ( libcfap ) filename = "prelude.cf";
[b87a5ed]	194	optind += 1;
[3b8e52c]	195	} else { // no input file name
[b87a5ed]	196	input = stdin;
[2a7e29b]	197	// if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
	198	// a fake name along
[926af74]	199	if ( filename == nullptr ) filename = "stdin";
[b87a5ed]	200	} // if
	201
[159c62e]	202	// read in the builtins, extras, and the prelude
[de62360d]	203	if ( ! nopreludep ) { // include gcc builtins
[faf8857]	204	// -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]	205
	206	// Read to gcc builtins, if not generating the cfa library
[6ce3ae9]	207	FILE * gcc_builtins = fopen( libcfap \| treep ? "../prelude/gcc-builtins.cf" : CFA_LIBDIR "/gcc-builtins.cf", "r" );
	208	assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
	209	parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]	210
[159c62e]	211	// read the extra prelude in, if not generating the cfa library
[375a068]	212	FILE * extras = fopen( libcfap \| treep ? "../prelude/extras.cf" : CFA_LIBDIR "/extras.cf", "r" );
[3b8e52c]	213	assertf( extras, "cannot open extras.cf\n" );
[f0994a1]	214	parse( extras, LinkageSpec::BuiltinC );
[159c62e]	215
[81419b5]	216	if ( ! libcfap ) {
[faf8857]	217	// read the prelude in, if not generating the cfa library
[375a068]	218	FILE * prelude = fopen( treep ? "../prelude/prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
[3b8e52c]	219	assertf( prelude, "cannot open prelude.cf\n" );
[35304009]	220	parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]	221
	222	// Read to cfa builtins, if not generating the cfa library
	223	FILE * builtins = fopen( libcfap \| treep ? "../prelude/builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
	224	assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]	225	parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]	226	} // if
	227	} // if
[81419b5]	228
[926af74]	229	parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]	230
[b87a5ed]	231	if ( parsep ) {
[e6955b1]	232	parseTree->printList( cout );
[0da3e2c]	233	delete parseTree;
[b87a5ed]	234	return 0;
	235	} // if
	236
[0da3e2c]	237	buildList( parseTree, translationUnit );
	238	delete parseTree;
[cbaee0d]	239	parseTree = nullptr;
[68f9c43]	240	collect( translationUnit );
[b87a5ed]	241
	242	if ( astp ) {
[1ab4ce2]	243	dump( translationUnit );
[b87a5ed]	244	return 0;
	245	} // if
	246
[839ccbb]	247	// add the assignment statement after the initialization of a type parameter
[6edd210]	248	PASS( "validate", SymTab::validate( translationUnit, symtabp ) );
[68f9c43]	249	if ( symtabp ) return 0;
[bd06384]	250	collect( translationUnit );
[b87a5ed]	251
[81419b5]	252	if ( expraltp ) {
[bff09c8]	253	PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
[81419b5]	254	acceptAll( translationUnit, printer );
[b87a5ed]	255	return 0;
	256	} // if
	257
	258	if ( validp ) {
[1ab4ce2]	259	dump( translationUnit );
[b87a5ed]	260	return 0;
	261	} // if
	262
[6edd210]	263	PASS( "mutate", ControlStruct::mutate( translationUnit ) );
	264	PASS( "fixNames", CodeGen::fixNames( translationUnit ) );
	265	PASS( "genInit", InitTweak::genInit( translationUnit ) );
	266	PASS( "expandMemberTuples" , Tuples::expandMemberTuples( translationUnit ) );
[68f9c43]	267	collect( translationUnit );
[81419b5]	268	if ( libcfap ) {
	269	// generate the bodies of cfa library functions
	270	LibCfa::makeLibCfa( translationUnit );
[b87a5ed]	271	} // if
	272
[fa2de95]	273	if ( declstatsp ) {
	274	CodeTools::printDeclStats( translationUnit );
	275	return 0;
	276	}
	277
[de62360d]	278	if ( bresolvep ) {
[1ab4ce2]	279	dump( translationUnit );
[de62360d]	280	return 0;
	281	} // if
	282
[76b378d]	283	CodeTools::fillLocations( translationUnit );
	284
[6edd210]	285	PASS( "resolve", ResolvExpr::resolve( translationUnit ) );
[68f9c43]	286	collect( translationUnit );
[81419b5]	287	if ( exprp ) {
[1ab4ce2]	288	dump( translationUnit );
[ca1c11f]	289	return 0;
[926af74]	290	} // if
[81419b5]	291
[71f4e4f]	292	// fix ObjectDecl - replaces ConstructorInit nodes
[6edd210]	293	PASS( "fixInit", InitTweak::fix( translationUnit, filename, libcfap \|\| treep ) );
[68f9c43]	294	collect( translationUnit );
[ca1c11f]	295	if ( ctorinitp ) {
	296	dump ( translationUnit );
	297	return 0;
[926af74]	298	} // if
[71f4e4f]	299
[6edd210]	300	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]	301
[6edd210]	302	PASS( "translateEHM" , ControlStruct::translateEHM( translationUnit ) );
[307a732]	303
[6edd210]	304	PASS( "generateWaitfor" , Concurrency::generateWaitFor( translationUnit ) );
[9f5ecf5]	305
[6edd210]	306	PASS( "convertSpecializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded
[626dbc10]	307
[6edd210]	308	PASS( "expandTuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this?
[68f9c43]	309	collect( translationUnit );
[626dbc10]	310	if ( tuplep ) {
	311	dump( translationUnit );
	312	return 0;
	313	}
[141b786]	314
[6edd210]	315	PASS( "virtual expandCasts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM
[a5f0529]	316
[6edd210]	317	PASS( "instantiateGenerics", GenPoly::instantiateGeneric( translationUnit ) );
[68f9c43]	318	collect( translationUnit );
[53d3ab4b]	319	if ( genericsp ) {
	320	dump( translationUnit );
	321	return 0;
	322	}
[6edd210]	323	PASS( "convertLvalue", GenPoly::convertLvalue( translationUnit ) );
[68f9c43]	324	collect( translationUnit );
[fea7ca7]	325	if ( bboxp ) {
	326	dump( translationUnit );
	327	return 0;
[926af74]	328	} // if
[6edd210]	329	PASS( "box", GenPoly::box( translationUnit ) );
[68f9c43]	330	collect( translationUnit );
[8905f56]	331	if ( bcodegenp ) {
	332	dump( translationUnit );
	333	return 0;
	334	}
	335
[13de47bc]	336	if ( optind < argc ) { // any commands after the flags and input file ? => output file name
	337	output = new ofstream( argv[ optind ] );
	338	} // if
[0270824]	339
[7b15d7a]	340	CodeTools::fillLocations( translationUnit );
[6edd210]	341	PASS( "codegen", CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, linemarks ) );
[0270824]	342
[13de47bc]	343	CodeGen::FixMain::fix( *output, treep ? "../prelude/bootloader.c" : CFA_LIBDIR "/bootloader.c" );
[e6955b1]	344	if ( output != &cout ) {
[b87a5ed]	345	delete output;
	346	} // if
[a16764a6]	347	} catch ( SemanticErrorException &e ) {
[b87a5ed]	348	if ( errorp ) {
[e6955b1]	349	cerr << "---AST at error:---" << endl;
	350	dump( translationUnit, cerr );
	351	cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]	352	} // if
[d55d7a6]	353	e.print();
[e6955b1]	354	if ( output != &cout ) {
[b87a5ed]	355	delete output;
	356	} // if
	357	return 1;
	358	} catch ( UnimplementedError &e ) {
[e6955b1]	359	cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
	360	if ( output != &cout ) {
[b87a5ed]	361	delete output;
	362	} // if
	363	return 1;
	364	} catch ( CompilerError &e ) {
[e6955b1]	365	cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]	366	cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]	367	if ( output != &cout ) {
[b87a5ed]	368	delete output;
	369	} // if
	370	return 1;
[4990812]	371	} catch(...) {
	372	std::exception_ptr eptr = std::current_exception();
	373	try {
	374	if (eptr) {
	375	std::rethrow_exception(eptr);
	376	}
	377	else {
	378	std::cerr << "Exception Uncaught and Unkown" << std::endl;
	379	}
	380	} catch(const std::exception& e) {
	381	std::cerr << "Unaught Exception \"" << e.what() << "\"\n";
	382	}
	383	return 1;
	384	}// try
[b87a5ed]	385
[6d611fb]	386	if(!libcfap && !treep) HeapStats::printStats();
[b87a5ed]	387	return 0;
[d9a0e76]	388	} // main
[51b7345]	389
[cbaee0d]	390	void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[6de43b6]	391	enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Linemarks, Nolinemarks, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, TupleExpansion, Validate, };
[0da3e2c]	392
	393	static struct option long_opts[] = {
	394	{ "ast", no_argument, 0, Ast },
	395	{ "before-box", no_argument, 0, Bbox },
	396	{ "before-resolver", no_argument, 0, Bresolver },
	397	{ "ctorinitfix", no_argument, 0, CtorInitFix },
[41a7137]	398	{ "decl-stats", no_argument, 0, DeclStats },
[0da3e2c]	399	{ "expr", no_argument, 0, Expr },
	400	{ "expralt", no_argument, 0, ExprAlt },
	401	{ "grammar", no_argument, 0, Grammar },
	402	{ "libcfa", no_argument, 0, LibCFA },
[6de43b6]	403	{ "line-marks", no_argument, 0, Linemarks },
	404	{ "no-line-marks", no_argument, 0, Nolinemarks },
[0da3e2c]	405	{ "no-preamble", no_argument, 0, Nopreamble },
	406	{ "parse", no_argument, 0, Parse },
	407	{ "no-prototypes", no_argument, 0, Prototypes },
	408	{ "resolver", no_argument, 0, Resolver },
	409	{ "symbol", no_argument, 0, Symbol },
	410	{ "tree", no_argument, 0, Tree },
[626dbc10]	411	{ "tuple-expansion", no_argument, 0, TupleExpansion },
[0da3e2c]	412	{ "validate", no_argument, 0, Validate },
	413	{ 0, 0, 0, 0 }
	414	}; // long_opts
	415	int long_index;
	416
	417	opterr = 0; // (global) prevent getopt from printing error messages
	418
[c5e5109]	419	bool Wsuppress = false, Werror = false;
[0da3e2c]	420	int c;
[44bca7f]	421	while ( (c = getopt_long( argc, argv, "abBcCdefgGlLmnNpqrstTvwW:yzZD:F:", long_opts, &long_index )) != -1 ) {
[0da3e2c]	422	switch ( c ) {
	423	case Ast:
	424	case 'a': // dump AST
	425	astp = true;
	426	break;
	427	case Bresolver:
	428	case 'b': // print before resolver steps
	429	bresolvep = true;
	430	break;
[626dbc10]	431	case 'B': // print before box steps
[0da3e2c]	432	bboxp = true;
	433	break;
	434	case CtorInitFix:
[e39241b]	435	case 'c': // print after constructors and destructors are replaced
[0da3e2c]	436	ctorinitp = true;
	437	break;
[8905f56]	438	case 'C': // print before code generation
	439	bcodegenp = true;
	440	break;
[41a7137]	441	case DeclStats:
	442	case 'd':
	443	declstatsp = true;
	444	break;
[0da3e2c]	445	case Expr:
	446	case 'e': // dump AST after expression analysis
	447	exprp = true;
	448	break;
	449	case ExprAlt:
	450	case 'f': // print alternatives for expressions
	451	expraltp = true;
	452	break;
	453	case Grammar:
	454	case 'g': // bison debugging info (grammar rules)
[926af74]	455	yydebug = true;
[0da3e2c]	456	break;
[44bca7f]	457	case 'G': // dump AST after instantiate generics
[53d3ab4b]	458	genericsp = true;
	459	break;
[0da3e2c]	460	case LibCFA:
	461	case 'l': // generate libcfa.c
	462	libcfap = true;
	463	break;
[6de43b6]	464	case Linemarks:
	465	case 'L': // print lines marks
	466	linemarks = true;
[c850687]	467	break;
[0da3e2c]	468	case Nopreamble:
	469	case 'n': // do not read preamble
	470	nopreludep = true;
	471	break;
[6de43b6]	472	case Nolinemarks:
	473	case 'N': // suppress line marks
	474	linemarks = false;
[c59bde6]	475	break;
[0da3e2c]	476	case Prototypes:
	477	case 'p': // generate prototypes for preamble functions
	478	noprotop = true;
	479	break;
[3fe34ae]	480	case 'm': // don't replace the main
	481	nomainp = true;
	482	break;
[0da3e2c]	483	case Parse:
	484	case 'q': // dump parse tree
	485	parsep = true;
	486	break;
	487	case Resolver:
	488	case 'r': // print resolver steps
	489	resolvep = true;
	490	break;
	491	case Symbol:
	492	case 's': // print symbol table events
	493	symtabp = true;
	494	break;
	495	case Tree:
	496	case 't': // build in tree
	497	treep = true;
	498	break;
[626dbc10]	499	case TupleExpansion:
	500	case 'T': // print after tuple expansion
	501	tuplep = true;
	502	break;
[0da3e2c]	503	case 'v': // dump AST after decl validation pass
	504	validp = true;
	505	break;
[44bca7f]	506	case 'w':
[c5e5109]	507	Wsuppress = true;
[44bca7f]	508	break;
	509	case 'W':
	510	if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]	511	SemanticWarning_EnableAll();
[44bca7f]	512	} else if ( strcmp( optarg, "error" ) == 0 ) {
	513	Werror = true;
	514	} else {
	515	char * warning = optarg;
	516	Severity s;
	517	if ( strncmp( optarg, "no-", 3 ) == 0 ) {
	518	warning += 3;
	519	s = Severity::Suppress;
	520	} else {
	521	s = Severity::Warn;
	522	} // if
[68e9ace]	523	SemanticWarning_Set( warning, s );
[44bca7f]	524	} // if
	525	break;
[e39241b]	526	case 'y': // dump AST on error
[0da3e2c]	527	errorp = true;
	528	break;
[e39241b]	529	case 'z': // dump as codegen rather than AST
[0da3e2c]	530	codegenp = true;
[e39241b]	531	break;
	532	case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.)
[35b1bf4]	533	prettycodegenp = true;
[0da3e2c]	534	break;
	535	case 'D': // ignore -Dxxx
	536	break;
	537	case 'F': // source file-name without suffix
	538	filename = optarg;
	539	break;
	540	case '?':
[ae47a23]	541	if ( optopt ) { // short option ?
	542	assertf( false, "Unknown option: -%c\n", (char)optopt );
	543	} else {
	544	assertf( false, "Unknown option: %s\n", argv[optind - 1] );
	545	} // if
[b6d7f44]	546	#if defined(__GNUC__) && __GNUC__ >= 7
[af98d27]	547	__attribute__((fallthrough));
	548	#endif
[0da3e2c]	549	default:
	550	abort();
	551	} // switch
	552	} // while
[44bca7f]	553
	554	if ( Werror ) {
[68e9ace]	555	SemanticWarning_WarningAsError();
[44bca7f]	556	} // if
[c5e5109]	557	if ( Wsuppress ) {
	558	SemanticWarning_SuppressAll();
	559	} // if
[44bca7f]	560	// for ( const auto w : WarningFormats ) {
	561	// cout << w.name << ' ' << (int)w.severity << endl;
	562	// } // for
[0da3e2c]	563	} // parse_cmdline
	564
[8b7ee09]	565	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]	566	extern int yyparse( void );
[cbaee0d]	567	extern FILE * yyin;
[0da3e2c]	568	extern int yylineno;
	569
[8b7ee09]	570	::linkage = linkage; // set globals
[0da3e2c]	571	yyin = input;
	572	yylineno = 1;
	573	typedefTable.enterScope();
	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	}
[0da3e2c]	601	} // dump
[1ab4ce2]	602
[51b7345]	603	// Local Variables: //
[b87a5ed]	604	// tab-width: 4 //
	605	// mode: c++ //
	606	// compile-command: "make install" //
[51b7345]	607	// End: //

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