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source: src/main.cc @ 9cc0472

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 9cc0472 was bf2438c, checked in by Thierry Delisle <tdelisle@…>, 7 years ago
Cleaned-up some headers using a tool called 'include-what-you-use'
Property mode set to `100644`
File size: 17.8 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
	13	// Last Modified On : Fri Jul 7 11:13:00 2017
	14	// Update Count : 442
[b87a5ed]	15	//
	16
[bf2438c]	17	#include <cassert> // for assertf
	18	#include <cxxabi.h> // for __cxa_demangle
	19	#include <execinfo.h> // for backtrace, backtrace_symbols
	20	#include <getopt.h> // for no_argument, optind, geto...
	21	#include <signal.h> // for signal, SIGABRT, SIGSEGV
	22	#include <cstdio> // for fopen, FILE, fclose, stdin
	23	#include <cstdlib> // for exit, free, abort, EXIT_F...
	24	#include <cstring> // for index
	25	#include <fstream> // for ofstream
	26	#include <iostream> // for operator<<, basic_ostream
	27	#include <iterator> // for back_inserter
	28	#include <list> // for list
	29	#include <string> // for operator<<, allocator
[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
	38	#include "Common/SemanticError.h" // for SemanticError
	39	#include "Common/UnimplementedError.h" // for UnimplementedError
	40	#include "Common/utility.h" // for deleteAll, filter, printAll
	41	#include "ControlStruct/ExceptTranslate.h" // for translateEHM
	42	#include "ControlStruct/Mutate.h" // for mutate
	43	#include "GenPoly/Box.h" // for box
	44	#include "GenPoly/CopyParams.h" // for copyParams
	45	#include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
	46	#include "GenPoly/Lvalue.h" // for convertLvalue
	47	#include "GenPoly/Specialize.h" // for convertSpecializations
	48	#include "InitTweak/FixInit.h" // for fix
	49	#include "InitTweak/GenInit.h" // for genInit
	50	#include "MakeLibCfa.h" // for makeLibCfa
	51	#include "Parser/LinkageSpec.h" // for Spec, Cforall, Intrinsic
	52	#include "Parser/ParseNode.h" // for DeclarationNode, buildList
	53	#include "Parser/TypedefTable.h" // for TypedefTable
	54	#include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter
	55	#include "ResolvExpr/Resolver.h" // for resolve
	56	#include "SymTab/Validate.h" // for validate
	57	#include "SynTree/Declaration.h" // for Declaration
	58	#include "SynTree/Visitor.h" // for acceptAll
	59	#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[51b7345]	60
	61	using namespace std;
	62
[e6955b1]	63	#define OPTPRINT(x) if ( errorp ) cerr << x << endl;
[81419b5]	64
[0da3e2c]	65
[8b7ee09]	66	LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]	67	TypedefTable typedefTable;
[cbaee0d]	68	DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]	69
[926af74]	70	extern int yydebug; // set for -g flag (Grammar)
[b87a5ed]	71	bool
	72	astp = false,
[de62360d]	73	bresolvep = false,
[fea7ca7]	74	bboxp = false,
[8905f56]	75	bcodegenp = false,
[ca1c11f]	76	ctorinitp = false,
[41a7137]	77	declstatsp = false,
[b87a5ed]	78	exprp = false,
	79	expraltp = false,
	80	libcfap = false,
[de62360d]	81	nopreludep = false,
[1ab4ce2]	82	noprotop = false,
[3fe34ae]	83	nomainp = false,
[de62360d]	84	parsep = false,
[b87a5ed]	85	resolvep = false, // used in AlternativeFinder
	86	symtabp = false,
[d3b7937]	87	treep = false,
[626dbc10]	88	tuplep = false,
[b87a5ed]	89	validp = false,
[de62360d]	90	errorp = false,
[35b1bf4]	91	codegenp = false,
[c850687]	92	prettycodegenp = false,
	93	nolinemarks = false;
[b87a5ed]	94
[926af74]	95	static void parse_cmdline( int argc, char argv[], const char & filename );
[8b7ee09]	96	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]	97	static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
	98
[0afffee]	99	static void backtrace( int start ) { // skip first N stack frames
[e6955b1]	100	enum { Frames = 50 };
	101	void * array[Frames];
[0afffee]	102	int size = ::backtrace( array, Frames );
	103	char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
	104
	105	*index( messages[0], '(' ) = '\0'; // find executable name
	106	cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]	107
[b542bfb]	108	// skip last 2 stack frames after main
	109	for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]	110	char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
	111	for ( char p = messages[i]; p; ++p ) { // find parantheses and +offset
[0afffee]	112	if ( *p == '(' ) {
[46f6134]	113	mangled_name = p;
[0afffee]	114	} else if ( *p == '+' ) {
[e6955b1]	115	offset_begin = p;
[0afffee]	116	} else if ( *p == ')' ) {
[e6955b1]	117	offset_end = p;
	118	break;
	119	} // if
	120	} // for
	121
	122	// if line contains symbol, attempt to demangle
[b542bfb]	123	int frameNo = i - start;
[e6955b1]	124	if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]	125	*mangled_name++ = '\0'; // delimit strings
[e6955b1]	126	*offset_begin++ = '\0';
	127	*offset_end++ = '\0';
	128
[0afffee]	129	int status;
[e6955b1]	130	char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]	131	// bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]	132	if ( status == 0 ) { // demangling successful ?
[b542bfb]	133	cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]	134	<< real_name << "+" << offset_begin << offset_end << endl;
	135	} else { // otherwise, output mangled name
[b542bfb]	136	cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]	137	<< mangled_name << "(/unknown/)+" << offset_begin << offset_end << endl;
[e6955b1]	138	} // if
[0afffee]	139
[e6955b1]	140	free( real_name );
	141	} else { // otherwise, print the whole line
[b542bfb]	142	cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]	143	} // if
	144	} // for
[b542bfb]	145
[e6955b1]	146	free( messages );
[b542bfb]	147	} // backtrace
	148
	149	void sigSegvBusHandler( int sig_num ) {
	150	cerr << "CFA runtime error program cfa-cpp terminated with "
	151	<< (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]	152	<< "." << endl;
[b542bfb]	153	backtrace( 2 ); // skip first 2 stack frames
[e6955b1]	154	exit( EXIT_FAILURE );
	155	} // sigSegvBusHandler
[0da3e2c]	156
[b3c36f4]	157	void sigAbortHandler( __attribute__((unused)) int sig_num ) {
[b542bfb]	158	backtrace( 6 ); // skip first 6 stack frames
	159	signal( SIGABRT, SIG_DFL); // reset default signal handler
	160	raise( SIGABRT ); // reraise SIGABRT
	161	} // sigAbortHandler
	162
	163
[cbaee0d]	164	int main( int argc, char * argv[] ) {
[3b8e52c]	165	FILE * input; // use FILE rather than istream because yyin is FILE
[e6955b1]	166	ostream *output = & cout;
[926af74]	167	const char *filename = nullptr;
[e6955b1]	168	list< Declaration * > translationUnit;
	169
	170	signal( SIGSEGV, sigSegvBusHandler );
	171	signal( SIGBUS, sigSegvBusHandler );
[b542bfb]	172	signal( SIGABRT, sigAbortHandler );
[b87a5ed]	173
[0da3e2c]	174	parse_cmdline( argc, argv, filename ); // process command-line arguments
[13de47bc]	175	CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]	176
	177	try {
[81419b5]	178	// choose to read the program from a file or stdin
[3b8e52c]	179	if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]	180	input = fopen( argv[ optind ], "r" );
[3b8e52c]	181	assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162]	182	// if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]	183	if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]	184	// prelude filename comes in differently
	185	if ( libcfap ) filename = "prelude.cf";
[b87a5ed]	186	optind += 1;
[3b8e52c]	187	} else { // no input file name
[b87a5ed]	188	input = stdin;
[2a7e29b]	189	// if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
	190	// a fake name along
[926af74]	191	if ( filename == nullptr ) filename = "stdin";
[b87a5ed]	192	} // if
	193
[159c62e]	194	// read in the builtins, extras, and the prelude
[de62360d]	195	if ( ! nopreludep ) { // include gcc builtins
[faf8857]	196	// -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]	197
	198	// Read to gcc builtins, if not generating the cfa library
[6ce3ae9]	199	FILE * gcc_builtins = fopen( libcfap \| treep ? "../prelude/gcc-builtins.cf" : CFA_LIBDIR "/gcc-builtins.cf", "r" );
	200	assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
	201	parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]	202
[159c62e]	203	// read the extra prelude in, if not generating the cfa library
[375a068]	204	FILE * extras = fopen( libcfap \| treep ? "../prelude/extras.cf" : CFA_LIBDIR "/extras.cf", "r" );
[3b8e52c]	205	assertf( extras, "cannot open extras.cf\n" );
[159c62e]	206	parse( extras, LinkageSpec::C );
	207
[81419b5]	208	if ( ! libcfap ) {
[faf8857]	209	// read the prelude in, if not generating the cfa library
[375a068]	210	FILE * prelude = fopen( treep ? "../prelude/prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
[3b8e52c]	211	assertf( prelude, "cannot open prelude.cf\n" );
[35304009]	212	parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]	213
	214	// Read to cfa builtins, if not generating the cfa library
	215	FILE * builtins = fopen( libcfap \| treep ? "../prelude/builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
	216	assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]	217	parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]	218	} // if
	219	} // if
[81419b5]	220
[926af74]	221	parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]	222
[b87a5ed]	223	if ( parsep ) {
[e6955b1]	224	parseTree->printList( cout );
[0da3e2c]	225	delete parseTree;
[b87a5ed]	226	return 0;
	227	} // if
	228
[0da3e2c]	229	buildList( parseTree, translationUnit );
	230	delete parseTree;
[cbaee0d]	231	parseTree = nullptr;
[b87a5ed]	232
	233	if ( astp ) {
[1ab4ce2]	234	dump( translationUnit );
[b87a5ed]	235	return 0;
	236	} // if
	237
[bcda04c]	238	// OPTPRINT( "Concurrency" )
	239	// Concurrency::applyKeywords( translationUnit );
	240
[839ccbb]	241	// add the assignment statement after the initialization of a type parameter
[81419b5]	242	OPTPRINT( "validate" )
	243	SymTab::validate( translationUnit, symtabp );
	244	if ( symtabp ) {
[46f6134]	245	deleteAll( translationUnit );
[b87a5ed]	246	return 0;
	247	} // if
	248
[81419b5]	249	if ( expraltp ) {
[e6955b1]	250	ResolvExpr::AlternativePrinter printer( cout );
[81419b5]	251	acceptAll( translationUnit, printer );
[b87a5ed]	252	return 0;
	253	} // if
	254
	255	if ( validp ) {
[1ab4ce2]	256	dump( translationUnit );
[b87a5ed]	257	return 0;
	258	} // if
	259
[81419b5]	260	OPTPRINT( "mutate" )
	261	ControlStruct::mutate( translationUnit );
[71f4e4f]	262	OPTPRINT( "fixNames" )
[81419b5]	263	CodeGen::fixNames( translationUnit );
[ef42b143]	264	OPTPRINT( "genInit" )
[a0fdbd5]	265	InitTweak::genInit( translationUnit );
[bf32bb8]	266	OPTPRINT( "expandMemberTuples" );
	267	Tuples::expandMemberTuples( 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	deleteAll( translationUnit );
	276	return 0;
	277	}
	278
[de62360d]	279	if ( bresolvep ) {
[1ab4ce2]	280	dump( translationUnit );
[de62360d]	281	return 0;
	282	} // if
	283
[81419b5]	284	OPTPRINT( "resolve" )
[b87a5ed]	285	ResolvExpr::resolve( translationUnit );
[81419b5]	286	if ( exprp ) {
[1ab4ce2]	287	dump( translationUnit );
[ca1c11f]	288	return 0;
[926af74]	289	} // if
[81419b5]	290
[71f4e4f]	291	// fix ObjectDecl - replaces ConstructorInit nodes
[6cf27a07]	292	OPTPRINT( "fixInit" )
	293	InitTweak::fix( translationUnit, filename, libcfap \|\| treep );
[ca1c11f]	294	if ( ctorinitp ) {
	295	dump ( translationUnit );
	296	return 0;
[926af74]	297	} // if
[71f4e4f]	298
[141b786]	299	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
	300	Tuples::expandUniqueExpr( translationUnit );
[626dbc10]	301
[307a732]	302	OPTPRINT( "translateEHM" );
	303	ControlStruct::translateEHM( translationUnit );
	304
[626dbc10]	305	OPTPRINT( "convertSpecializations" ) // needs to happen before tuple types are expanded
	306	GenPoly::convertSpecializations( translationUnit );
	307
[d9fa60a]	308	OPTPRINT( "expandTuples" ); // xxx - is this the right place for this?
	309	Tuples::expandTuples( translationUnit );
[626dbc10]	310	if ( tuplep ) {
	311	dump( translationUnit );
	312	return 0;
	313	}
[141b786]	314
[ea5daeb]	315	OPTPRINT("instantiateGenerics")
	316	GenPoly::instantiateGeneric( translationUnit );
[81419b5]	317	OPTPRINT( "copyParams" );
[b87a5ed]	318	GenPoly::copyParams( translationUnit );
[81419b5]	319	OPTPRINT( "convertLvalue" )
[b87a5ed]	320	GenPoly::convertLvalue( translationUnit );
[fea7ca7]	321
	322	if ( bboxp ) {
	323	dump( translationUnit );
	324	return 0;
[926af74]	325	} // if
[81419b5]	326	OPTPRINT( "box" )
[b87a5ed]	327	GenPoly::box( translationUnit );
[81419b5]	328
[8905f56]	329	if ( bcodegenp ) {
	330	dump( translationUnit );
	331	return 0;
	332	}
	333
[13de47bc]	334	if ( optind < argc ) { // any commands after the flags and input file ? => output file name
	335	output = new ofstream( argv[ optind ] );
	336	} // if
[0270824]	337
[7b15d7a]	338	CodeTools::fillLocations( translationUnit );
[c850687]	339	CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, ! nolinemarks );
[0270824]	340
[13de47bc]	341	CodeGen::FixMain::fix( *output, treep ? "../prelude/bootloader.c" : CFA_LIBDIR "/bootloader.c" );
[0270824]	342
[e6955b1]	343	if ( output != &cout ) {
[b87a5ed]	344	delete output;
	345	} // if
	346	} catch ( SemanticError &e ) {
	347	if ( errorp ) {
[e6955b1]	348	cerr << "---AST at error:---" << endl;
	349	dump( translationUnit, cerr );
	350	cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]	351	} // if
[e6955b1]	352	e.print( cerr );
	353	if ( output != &cout ) {
[b87a5ed]	354	delete output;
	355	} // if
	356	return 1;
	357	} catch ( UnimplementedError &e ) {
[e6955b1]	358	cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
	359	if ( output != &cout ) {
[b87a5ed]	360	delete output;
	361	} // if
	362	return 1;
	363	} catch ( CompilerError &e ) {
[e6955b1]	364	cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]	365	cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]	366	if ( output != &cout ) {
[b87a5ed]	367	delete output;
	368	} // if
	369	return 1;
	370	} // try
	371
[39786813]	372	deleteAll( translationUnit );
[b87a5ed]	373	return 0;
[d9a0e76]	374	} // main
[51b7345]	375
[cbaee0d]	376	void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[41a7137]	377	enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, TupleExpansion, Validate, };
[0da3e2c]	378
	379	static struct option long_opts[] = {
	380	{ "ast", no_argument, 0, Ast },
	381	{ "before-box", no_argument, 0, Bbox },
	382	{ "before-resolver", no_argument, 0, Bresolver },
	383	{ "ctorinitfix", no_argument, 0, CtorInitFix },
[41a7137]	384	{ "decl-stats", no_argument, 0, DeclStats },
[0da3e2c]	385	{ "expr", no_argument, 0, Expr },
	386	{ "expralt", no_argument, 0, ExprAlt },
	387	{ "grammar", no_argument, 0, Grammar },
	388	{ "libcfa", no_argument, 0, LibCFA },
	389	{ "no-preamble", no_argument, 0, Nopreamble },
	390	{ "parse", no_argument, 0, Parse },
	391	{ "no-prototypes", no_argument, 0, Prototypes },
	392	{ "resolver", no_argument, 0, Resolver },
	393	{ "symbol", no_argument, 0, Symbol },
	394	{ "tree", no_argument, 0, Tree },
[626dbc10]	395	{ "tuple-expansion", no_argument, 0, TupleExpansion },
[0da3e2c]	396	{ "validate", no_argument, 0, Validate },
	397	{ 0, 0, 0, 0 }
	398	}; // long_opts
	399	int long_index;
	400
	401	opterr = 0; // (global) prevent getopt from printing error messages
	402
	403	int c;
[8905f56]	404	while ( (c = getopt_long( argc, argv, "abBcCdefglLmnpqrstTvyzZD: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;
	440	case LibCFA:
	441	case 'l': // generate libcfa.c
	442	libcfap = true;
	443	break;
[c850687]	444	case 'L': // surpress lines marks
	445	nolinemarks = true;
	446	break;
[0da3e2c]	447	case Nopreamble:
	448	case 'n': // do not read preamble
	449	nopreludep = true;
	450	break;
	451	case Prototypes:
	452	case 'p': // generate prototypes for preamble functions
	453	noprotop = true;
	454	break;
[3fe34ae]	455	case 'm': // don't replace the main
	456	nomainp = true;
	457	break;
[0da3e2c]	458	case Parse:
	459	case 'q': // dump parse tree
	460	parsep = true;
	461	break;
	462	case Resolver:
	463	case 'r': // print resolver steps
	464	resolvep = true;
	465	break;
	466	case Symbol:
	467	case 's': // print symbol table events
	468	symtabp = true;
	469	break;
	470	case Tree:
	471	case 't': // build in tree
	472	treep = true;
	473	break;
[626dbc10]	474	case TupleExpansion:
	475	case 'T': // print after tuple expansion
	476	tuplep = true;
	477	break;
[0da3e2c]	478	case 'v': // dump AST after decl validation pass
	479	validp = true;
	480	break;
[e39241b]	481	case 'y': // dump AST on error
[0da3e2c]	482	errorp = true;
	483	break;
[e39241b]	484	case 'z': // dump as codegen rather than AST
[0da3e2c]	485	codegenp = true;
[e39241b]	486	break;
	487	case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.)
[35b1bf4]	488	prettycodegenp = true;
[0da3e2c]	489	break;
	490	case 'D': // ignore -Dxxx
	491	break;
	492	case 'F': // source file-name without suffix
	493	filename = optarg;
	494	break;
	495	case '?':
[ae47a23]	496	if ( optopt ) { // short option ?
	497	assertf( false, "Unknown option: -%c\n", (char)optopt );
	498	} else {
	499	assertf( false, "Unknown option: %s\n", argv[optind - 1] );
	500	} // if
[0da3e2c]	501	default:
	502	abort();
	503	} // switch
	504	} // while
	505	} // parse_cmdline
	506
[8b7ee09]	507	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]	508	extern int yyparse( void );
[cbaee0d]	509	extern FILE * yyin;
[0da3e2c]	510	extern int yylineno;
	511
[8b7ee09]	512	::linkage = linkage; // set globals
[0da3e2c]	513	yyin = input;
	514	yylineno = 1;
	515	typedefTable.enterScope();
	516	int parseStatus = yyparse();
[81419b5]	517
	518	fclose( input );
[0da3e2c]	519	if ( shouldExit \|\| parseStatus != 0 ) {
	520	exit( parseStatus );
[81419b5]	521	} // if
[0da3e2c]	522	} // parse
[81419b5]	523
[1ab4ce2]	524	static bool notPrelude( Declaration * decl ) {
	525	return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]	526	} // notPrelude
[1ab4ce2]	527
[e6955b1]	528	static void dump( list< Declaration * > & translationUnit, ostream & out ) {
	529	list< Declaration * > decls;
[926af74]	530
[1ab4ce2]	531	if ( noprotop ) {
[e6955b1]	532	filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]	533	} else {
	534	decls = translationUnit;
[926af74]	535	} // if
[1ab4ce2]	536
[e39241b]	537	// depending on commandline options, either generate code or dump the AST
	538	if ( codegenp ) {
	539	CodeGen::generate( decls, out, ! noprotop, prettycodegenp );
	540	} else {
	541	printAll( decls, out );
	542	}
[7f5566b]	543	deleteAll( translationUnit );
[0da3e2c]	544	} // dump
[1ab4ce2]	545
[51b7345]	546	// Local Variables: //
[b87a5ed]	547	// tab-width: 4 //
	548	// mode: c++ //
	549	// compile-command: "make install" //
[51b7345]	550	// End: //

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