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source: src/main.cc @ fa477f7

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc

Last change on this file since fa477f7 was af98d27, checked in by Thierry Delisle <tdelisle@…>, 7 years ago
ifdef out attribute fallthrough for older gccs
Property mode set to `100644`
File size: 18.0 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
[54d714e]	12	// Last Modified By : Andrew Beach
[a5f0529]	13	// Last Modified On : Wed Jul 26 14:38:00 2017
	14	// Update Count : 443
[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
[bff09c8]	37	#include "Common/PassVisitor.h"
[bf2438c]	38	#include "Common/CompilerError.h" // for CompilerError
	39	#include "Common/SemanticError.h" // for SemanticError
	40	#include "Common/UnimplementedError.h" // for UnimplementedError
	41	#include "Common/utility.h" // for deleteAll, filter, printAll
[9f5ecf5]	42	#include "Concurrency/Waitfor.h" // for generateWaitfor
[bf2438c]	43	#include "ControlStruct/ExceptTranslate.h" // for translateEHM
	44	#include "ControlStruct/Mutate.h" // for mutate
	45	#include "GenPoly/Box.h" // for box
	46	#include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
	47	#include "GenPoly/Lvalue.h" // for convertLvalue
	48	#include "GenPoly/Specialize.h" // for convertSpecializations
	49	#include "InitTweak/FixInit.h" // for fix
	50	#include "InitTweak/GenInit.h" // for genInit
	51	#include "MakeLibCfa.h" // for makeLibCfa
	52	#include "Parser/LinkageSpec.h" // for Spec, Cforall, Intrinsic
	53	#include "Parser/ParseNode.h" // for DeclarationNode, buildList
	54	#include "Parser/TypedefTable.h" // for TypedefTable
	55	#include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter
	56	#include "ResolvExpr/Resolver.h" // for resolve
	57	#include "SymTab/Validate.h" // for validate
	58	#include "SynTree/Declaration.h" // for Declaration
	59	#include "SynTree/Visitor.h" // for acceptAll
	60	#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a5f0529]	61	#include "Virtual/ExpandCasts.h" // for expandCasts
[51b7345]	62
	63	using namespace std;
	64
[e6955b1]	65	#define OPTPRINT(x) if ( errorp ) cerr << x << endl;
[81419b5]	66
[0da3e2c]	67
[8b7ee09]	68	LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]	69	TypedefTable typedefTable;
[cbaee0d]	70	DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]	71
[926af74]	72	extern int yydebug; // set for -g flag (Grammar)
[b87a5ed]	73	bool
	74	astp = false,
[de62360d]	75	bresolvep = false,
[fea7ca7]	76	bboxp = false,
[8905f56]	77	bcodegenp = false,
[ca1c11f]	78	ctorinitp = false,
[41a7137]	79	declstatsp = false,
[b87a5ed]	80	exprp = false,
	81	expraltp = false,
	82	libcfap = false,
[de62360d]	83	nopreludep = false,
[1ab4ce2]	84	noprotop = false,
[3fe34ae]	85	nomainp = false,
[de62360d]	86	parsep = false,
[b87a5ed]	87	resolvep = false, // used in AlternativeFinder
	88	symtabp = false,
[d3b7937]	89	treep = false,
[626dbc10]	90	tuplep = false,
[b87a5ed]	91	validp = false,
[de62360d]	92	errorp = false,
[35b1bf4]	93	codegenp = false,
[c850687]	94	prettycodegenp = false,
	95	nolinemarks = false;
[b87a5ed]	96
[926af74]	97	static void parse_cmdline( int argc, char argv[], const char & filename );
[8b7ee09]	98	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]	99	static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
	100
[0afffee]	101	static void backtrace( int start ) { // skip first N stack frames
[e6955b1]	102	enum { Frames = 50 };
	103	void * array[Frames];
[0afffee]	104	int size = ::backtrace( array, Frames );
	105	char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
	106
	107	*index( messages[0], '(' ) = '\0'; // find executable name
	108	cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]	109
[b542bfb]	110	// skip last 2 stack frames after main
	111	for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]	112	char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
	113	for ( char p = messages[i]; p; ++p ) { // find parantheses and +offset
[0afffee]	114	if ( *p == '(' ) {
[46f6134]	115	mangled_name = p;
[0afffee]	116	} else if ( *p == '+' ) {
[e6955b1]	117	offset_begin = p;
[0afffee]	118	} else if ( *p == ')' ) {
[e6955b1]	119	offset_end = p;
	120	break;
	121	} // if
	122	} // for
	123
	124	// if line contains symbol, attempt to demangle
[b542bfb]	125	int frameNo = i - start;
[e6955b1]	126	if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]	127	*mangled_name++ = '\0'; // delimit strings
[e6955b1]	128	*offset_begin++ = '\0';
	129	*offset_end++ = '\0';
	130
[0afffee]	131	int status;
[e6955b1]	132	char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]	133	// bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]	134	if ( status == 0 ) { // demangling successful ?
[b542bfb]	135	cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]	136	<< real_name << "+" << offset_begin << offset_end << endl;
	137	} else { // otherwise, output mangled name
[b542bfb]	138	cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]	139	<< mangled_name << "(/unknown/)+" << offset_begin << offset_end << endl;
[e6955b1]	140	} // if
[0afffee]	141
[e6955b1]	142	free( real_name );
	143	} else { // otherwise, print the whole line
[b542bfb]	144	cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]	145	} // if
	146	} // for
[b542bfb]	147
[e6955b1]	148	free( messages );
[b542bfb]	149	} // backtrace
	150
	151	void sigSegvBusHandler( int sig_num ) {
	152	cerr << "CFA runtime error program cfa-cpp terminated with "
	153	<< (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]	154	<< "." << endl;
[b542bfb]	155	backtrace( 2 ); // skip first 2 stack frames
[e6955b1]	156	exit( EXIT_FAILURE );
	157	} // sigSegvBusHandler
[0da3e2c]	158
[b3c36f4]	159	void sigAbortHandler( __attribute__((unused)) int sig_num ) {
[b542bfb]	160	backtrace( 6 ); // skip first 6 stack frames
	161	signal( SIGABRT, SIG_DFL); // reset default signal handler
	162	raise( SIGABRT ); // reraise SIGABRT
	163	} // sigAbortHandler
	164
	165
[cbaee0d]	166	int main( int argc, char * argv[] ) {
[3b8e52c]	167	FILE * input; // use FILE rather than istream because yyin is FILE
[e6955b1]	168	ostream *output = & cout;
[926af74]	169	const char *filename = nullptr;
[e6955b1]	170	list< Declaration * > translationUnit;
	171
	172	signal( SIGSEGV, sigSegvBusHandler );
	173	signal( SIGBUS, sigSegvBusHandler );
[b542bfb]	174	signal( SIGABRT, sigAbortHandler );
[b87a5ed]	175
[0da3e2c]	176	parse_cmdline( argc, argv, filename ); // process command-line arguments
[13de47bc]	177	CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]	178
	179	try {
[81419b5]	180	// choose to read the program from a file or stdin
[3b8e52c]	181	if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]	182	input = fopen( argv[ optind ], "r" );
[3b8e52c]	183	assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162]	184	// if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]	185	if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]	186	// prelude filename comes in differently
	187	if ( libcfap ) filename = "prelude.cf";
[b87a5ed]	188	optind += 1;
[3b8e52c]	189	} else { // no input file name
[b87a5ed]	190	input = stdin;
[2a7e29b]	191	// if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
	192	// a fake name along
[926af74]	193	if ( filename == nullptr ) filename = "stdin";
[b87a5ed]	194	} // if
	195
[159c62e]	196	// read in the builtins, extras, and the prelude
[de62360d]	197	if ( ! nopreludep ) { // include gcc builtins
[faf8857]	198	// -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]	199
	200	// Read to gcc builtins, if not generating the cfa library
[6ce3ae9]	201	FILE * gcc_builtins = fopen( libcfap \| treep ? "../prelude/gcc-builtins.cf" : CFA_LIBDIR "/gcc-builtins.cf", "r" );
	202	assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
	203	parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]	204
[159c62e]	205	// read the extra prelude in, if not generating the cfa library
[375a068]	206	FILE * extras = fopen( libcfap \| treep ? "../prelude/extras.cf" : CFA_LIBDIR "/extras.cf", "r" );
[3b8e52c]	207	assertf( extras, "cannot open extras.cf\n" );
[159c62e]	208	parse( extras, LinkageSpec::C );
	209
[81419b5]	210	if ( ! libcfap ) {
[faf8857]	211	// read the prelude in, if not generating the cfa library
[375a068]	212	FILE * prelude = fopen( treep ? "../prelude/prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
[3b8e52c]	213	assertf( prelude, "cannot open prelude.cf\n" );
[35304009]	214	parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]	215
	216	// Read to cfa builtins, if not generating the cfa library
	217	FILE * builtins = fopen( libcfap \| treep ? "../prelude/builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
	218	assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]	219	parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]	220	} // if
	221	} // if
[81419b5]	222
[926af74]	223	parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]	224
[b87a5ed]	225	if ( parsep ) {
[e6955b1]	226	parseTree->printList( cout );
[0da3e2c]	227	delete parseTree;
[b87a5ed]	228	return 0;
	229	} // if
	230
[0da3e2c]	231	buildList( parseTree, translationUnit );
	232	delete parseTree;
[cbaee0d]	233	parseTree = nullptr;
[b87a5ed]	234
	235	if ( astp ) {
[1ab4ce2]	236	dump( translationUnit );
[b87a5ed]	237	return 0;
	238	} // if
	239
[839ccbb]	240	// add the assignment statement after the initialization of a type parameter
[81419b5]	241	OPTPRINT( "validate" )
	242	SymTab::validate( translationUnit, symtabp );
	243	if ( symtabp ) {
[46f6134]	244	deleteAll( translationUnit );
[b87a5ed]	245	return 0;
	246	} // if
	247
[81419b5]	248	if ( expraltp ) {
[bff09c8]	249	PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
[81419b5]	250	acceptAll( translationUnit, printer );
[b87a5ed]	251	return 0;
	252	} // if
	253
	254	if ( validp ) {
[1ab4ce2]	255	dump( translationUnit );
[b87a5ed]	256	return 0;
	257	} // if
	258
[81419b5]	259	OPTPRINT( "mutate" )
	260	ControlStruct::mutate( translationUnit );
[71f4e4f]	261	OPTPRINT( "fixNames" )
[81419b5]	262	CodeGen::fixNames( translationUnit );
[ef42b143]	263	OPTPRINT( "genInit" )
[a0fdbd5]	264	InitTweak::genInit( translationUnit );
[bf32bb8]	265	OPTPRINT( "expandMemberTuples" );
	266	Tuples::expandMemberTuples( translationUnit );
[81419b5]	267	if ( libcfap ) {
	268	// generate the bodies of cfa library functions
	269	LibCfa::makeLibCfa( translationUnit );
[b87a5ed]	270	} // if
	271
[fa2de95]	272	if ( declstatsp ) {
	273	CodeTools::printDeclStats( translationUnit );
	274	deleteAll( translationUnit );
	275	return 0;
	276	}
	277
[de62360d]	278	if ( bresolvep ) {
[1ab4ce2]	279	dump( translationUnit );
[de62360d]	280	return 0;
	281	} // if
	282
[81419b5]	283	OPTPRINT( "resolve" )
[b87a5ed]	284	ResolvExpr::resolve( translationUnit );
[81419b5]	285	if ( exprp ) {
[1ab4ce2]	286	dump( translationUnit );
[ca1c11f]	287	return 0;
[926af74]	288	} // if
[81419b5]	289
[71f4e4f]	290	// fix ObjectDecl - replaces ConstructorInit nodes
[6cf27a07]	291	OPTPRINT( "fixInit" )
	292	InitTweak::fix( translationUnit, filename, libcfap \|\| treep );
[ca1c11f]	293	if ( ctorinitp ) {
	294	dump ( translationUnit );
	295	return 0;
[926af74]	296	} // if
[71f4e4f]	297
[141b786]	298	OPTPRINT( "expandUniqueExpr" ); // xxx - is this the right place for this? want to expand ASAP so that subsequent 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
	299	Tuples::expandUniqueExpr( translationUnit );
[626dbc10]	300
[307a732]	301	OPTPRINT( "translateEHM" );
	302	ControlStruct::translateEHM( translationUnit );
	303
[9f5ecf5]	304	OPTPRINT( "generateWaitfor" );
	305	Concurrency::generateWaitFor( translationUnit );
	306
[626dbc10]	307	OPTPRINT( "convertSpecializations" ) // needs to happen before tuple types are expanded
	308	GenPoly::convertSpecializations( translationUnit );
	309
[d9fa60a]	310	OPTPRINT( "expandTuples" ); // xxx - is this the right place for this?
	311	Tuples::expandTuples( translationUnit );
[626dbc10]	312	if ( tuplep ) {
	313	dump( translationUnit );
	314	return 0;
	315	}
[141b786]	316
[a5f0529]	317	OPTPRINT( "virtual expandCasts" ) // Must come after translateEHM
	318	Virtual::expandCasts( translationUnit );
	319
[ea5daeb]	320	OPTPRINT("instantiateGenerics")
	321	GenPoly::instantiateGeneric( translationUnit );
[81419b5]	322	OPTPRINT( "convertLvalue" )
[b87a5ed]	323	GenPoly::convertLvalue( translationUnit );
[fea7ca7]	324
	325	if ( bboxp ) {
	326	dump( translationUnit );
	327	return 0;
[926af74]	328	} // if
[81419b5]	329	OPTPRINT( "box" )
[b87a5ed]	330	GenPoly::box( translationUnit );
[81419b5]	331
[8905f56]	332	if ( bcodegenp ) {
	333	dump( translationUnit );
	334	return 0;
	335	}
	336
[13de47bc]	337	if ( optind < argc ) { // any commands after the flags and input file ? => output file name
	338	output = new ofstream( argv[ optind ] );
	339	} // if
[0270824]	340
[7b15d7a]	341	CodeTools::fillLocations( translationUnit );
[c850687]	342	CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, ! nolinemarks );
[0270824]	343
[13de47bc]	344	CodeGen::FixMain::fix( *output, treep ? "../prelude/bootloader.c" : CFA_LIBDIR "/bootloader.c" );
[0270824]	345
[e6955b1]	346	if ( output != &cout ) {
[b87a5ed]	347	delete output;
	348	} // if
	349	} catch ( SemanticError &e ) {
	350	if ( errorp ) {
[e6955b1]	351	cerr << "---AST at error:---" << endl;
	352	dump( translationUnit, cerr );
	353	cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]	354	} // if
[e6955b1]	355	e.print( cerr );
	356	if ( output != &cout ) {
[b87a5ed]	357	delete output;
	358	} // if
	359	return 1;
	360	} catch ( UnimplementedError &e ) {
[e6955b1]	361	cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
	362	if ( output != &cout ) {
[b87a5ed]	363	delete output;
	364	} // if
	365	return 1;
	366	} catch ( CompilerError &e ) {
[e6955b1]	367	cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]	368	cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]	369	if ( output != &cout ) {
[b87a5ed]	370	delete output;
	371	} // if
	372	return 1;
	373	} // try
	374
[39786813]	375	deleteAll( translationUnit );
[b87a5ed]	376	return 0;
[d9a0e76]	377	} // main
[51b7345]	378
[cbaee0d]	379	void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[41a7137]	380	enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, TupleExpansion, Validate, };
[0da3e2c]	381
	382	static struct option long_opts[] = {
	383	{ "ast", no_argument, 0, Ast },
	384	{ "before-box", no_argument, 0, Bbox },
	385	{ "before-resolver", no_argument, 0, Bresolver },
	386	{ "ctorinitfix", no_argument, 0, CtorInitFix },
[41a7137]	387	{ "decl-stats", no_argument, 0, DeclStats },
[0da3e2c]	388	{ "expr", no_argument, 0, Expr },
	389	{ "expralt", no_argument, 0, ExprAlt },
	390	{ "grammar", no_argument, 0, Grammar },
	391	{ "libcfa", no_argument, 0, LibCFA },
	392	{ "no-preamble", no_argument, 0, Nopreamble },
	393	{ "parse", no_argument, 0, Parse },
	394	{ "no-prototypes", no_argument, 0, Prototypes },
	395	{ "resolver", no_argument, 0, Resolver },
	396	{ "symbol", no_argument, 0, Symbol },
	397	{ "tree", no_argument, 0, Tree },
[626dbc10]	398	{ "tuple-expansion", no_argument, 0, TupleExpansion },
[0da3e2c]	399	{ "validate", no_argument, 0, Validate },
	400	{ 0, 0, 0, 0 }
	401	}; // long_opts
	402	int long_index;
	403
	404	opterr = 0; // (global) prevent getopt from printing error messages
	405
	406	int c;
[8905f56]	407	while ( (c = getopt_long( argc, argv, "abBcCdefglLmnpqrstTvyzZD:F:", long_opts, &long_index )) != -1 ) {
[0da3e2c]	408	switch ( c ) {
	409	case Ast:
	410	case 'a': // dump AST
	411	astp = true;
	412	break;
	413	case Bresolver:
	414	case 'b': // print before resolver steps
	415	bresolvep = true;
	416	break;
[626dbc10]	417	case 'B': // print before box steps
[0da3e2c]	418	bboxp = true;
	419	break;
	420	case CtorInitFix:
[e39241b]	421	case 'c': // print after constructors and destructors are replaced
[0da3e2c]	422	ctorinitp = true;
	423	break;
[8905f56]	424	case 'C': // print before code generation
	425	bcodegenp = true;
	426	break;
[41a7137]	427	case DeclStats:
	428	case 'd':
	429	declstatsp = true;
	430	break;
[0da3e2c]	431	case Expr:
	432	case 'e': // dump AST after expression analysis
	433	exprp = true;
	434	break;
	435	case ExprAlt:
	436	case 'f': // print alternatives for expressions
	437	expraltp = true;
	438	break;
	439	case Grammar:
	440	case 'g': // bison debugging info (grammar rules)
[926af74]	441	yydebug = true;
[0da3e2c]	442	break;
	443	case LibCFA:
	444	case 'l': // generate libcfa.c
	445	libcfap = true;
	446	break;
[c850687]	447	case 'L': // surpress lines marks
	448	nolinemarks = true;
	449	break;
[0da3e2c]	450	case Nopreamble:
	451	case 'n': // do not read preamble
	452	nopreludep = true;
	453	break;
	454	case Prototypes:
	455	case 'p': // generate prototypes for preamble functions
	456	noprotop = true;
	457	break;
[3fe34ae]	458	case 'm': // don't replace the main
	459	nomainp = true;
	460	break;
[0da3e2c]	461	case Parse:
	462	case 'q': // dump parse tree
	463	parsep = true;
	464	break;
	465	case Resolver:
	466	case 'r': // print resolver steps
	467	resolvep = true;
	468	break;
	469	case Symbol:
	470	case 's': // print symbol table events
	471	symtabp = true;
	472	break;
	473	case Tree:
	474	case 't': // build in tree
	475	treep = true;
	476	break;
[626dbc10]	477	case TupleExpansion:
	478	case 'T': // print after tuple expansion
	479	tuplep = true;
	480	break;
[0da3e2c]	481	case 'v': // dump AST after decl validation pass
	482	validp = true;
	483	break;
[e39241b]	484	case 'y': // dump AST on error
[0da3e2c]	485	errorp = true;
	486	break;
[e39241b]	487	case 'z': // dump as codegen rather than AST
[0da3e2c]	488	codegenp = true;
[e39241b]	489	break;
	490	case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.)
[35b1bf4]	491	prettycodegenp = true;
[0da3e2c]	492	break;
	493	case 'D': // ignore -Dxxx
	494	break;
	495	case 'F': // source file-name without suffix
	496	filename = optarg;
	497	break;
	498	case '?':
[ae47a23]	499	if ( optopt ) { // short option ?
	500	assertf( false, "Unknown option: -%c\n", (char)optopt );
	501	} else {
	502	assertf( false, "Unknown option: %s\n", argv[optind - 1] );
	503	} // if
[af98d27]	504	#if __GNUC__ < 7
	505	#else
	506	__attribute__((fallthrough));
	507	#endif
[0da3e2c]	508	default:
	509	abort();
	510	} // switch
	511	} // while
	512	} // parse_cmdline
	513
[8b7ee09]	514	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]	515	extern int yyparse( void );
[cbaee0d]	516	extern FILE * yyin;
[0da3e2c]	517	extern int yylineno;
	518
[8b7ee09]	519	::linkage = linkage; // set globals
[0da3e2c]	520	yyin = input;
	521	yylineno = 1;
	522	typedefTable.enterScope();
	523	int parseStatus = yyparse();
[81419b5]	524
	525	fclose( input );
[0da3e2c]	526	if ( shouldExit \|\| parseStatus != 0 ) {
	527	exit( parseStatus );
[81419b5]	528	} // if
[0da3e2c]	529	} // parse
[81419b5]	530
[1ab4ce2]	531	static bool notPrelude( Declaration * decl ) {
	532	return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]	533	} // notPrelude
[1ab4ce2]	534
[e6955b1]	535	static void dump( list< Declaration * > & translationUnit, ostream & out ) {
	536	list< Declaration * > decls;
[926af74]	537
[1ab4ce2]	538	if ( noprotop ) {
[e6955b1]	539	filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]	540	} else {
	541	decls = translationUnit;
[926af74]	542	} // if
[1ab4ce2]	543
[e39241b]	544	// depending on commandline options, either generate code or dump the AST
	545	if ( codegenp ) {
	546	CodeGen::generate( decls, out, ! noprotop, prettycodegenp );
	547	} else {
	548	printAll( decls, out );
	549	}
[7f5566b]	550	deleteAll( translationUnit );
[0da3e2c]	551	} // dump
[1ab4ce2]	552
[51b7345]	553	// Local Variables: //
[b87a5ed]	554	// tab-width: 4 //
	555	// mode: c++ //
	556	// compile-command: "make install" //
[51b7345]	557	// End: //

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