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source: src/main.cc @ 9dbf7c8

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 9dbf7c8 was 9dbf7c8, checked in by Rob Schluntz <rschlunt@…>, 6 years ago
Modify CopyParams? to use DWT pointers rather than unique ids
Property mode set to `100644`
File size: 18.1 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/CopyParams.h" // for copyParams
	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
[e6955b1]	66	#define OPTPRINT(x) if ( errorp ) cerr << x << endl;
[81419b5]	67
[0da3e2c]	68
[8b7ee09]	69	LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]	70	TypedefTable typedefTable;
[cbaee0d]	71	DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]	72
[926af74]	73	extern int yydebug; // set for -g flag (Grammar)
[b87a5ed]	74	bool
	75	astp = false,
[de62360d]	76	bresolvep = false,
[fea7ca7]	77	bboxp = false,
[8905f56]	78	bcodegenp = false,
[ca1c11f]	79	ctorinitp = false,
[41a7137]	80	declstatsp = false,
[b87a5ed]	81	exprp = false,
	82	expraltp = false,
	83	libcfap = false,
[de62360d]	84	nopreludep = false,
[1ab4ce2]	85	noprotop = false,
[3fe34ae]	86	nomainp = false,
[de62360d]	87	parsep = false,
[b87a5ed]	88	resolvep = false, // used in AlternativeFinder
	89	symtabp = false,
[d3b7937]	90	treep = false,
[626dbc10]	91	tuplep = false,
[b87a5ed]	92	validp = false,
[de62360d]	93	errorp = false,
[35b1bf4]	94	codegenp = false,
[c850687]	95	prettycodegenp = false,
	96	nolinemarks = false;
[b87a5ed]	97
[926af74]	98	static void parse_cmdline( int argc, char argv[], const char & filename );
[8b7ee09]	99	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]	100	static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
	101
[0afffee]	102	static void backtrace( int start ) { // skip first N stack frames
[e6955b1]	103	enum { Frames = 50 };
	104	void * array[Frames];
[0afffee]	105	int size = ::backtrace( array, Frames );
	106	char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
	107
	108	*index( messages[0], '(' ) = '\0'; // find executable name
	109	cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]	110
[b542bfb]	111	// skip last 2 stack frames after main
	112	for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]	113	char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
	114	for ( char p = messages[i]; p; ++p ) { // find parantheses and +offset
[0afffee]	115	if ( *p == '(' ) {
[46f6134]	116	mangled_name = p;
[0afffee]	117	} else if ( *p == '+' ) {
[e6955b1]	118	offset_begin = p;
[0afffee]	119	} else if ( *p == ')' ) {
[e6955b1]	120	offset_end = p;
	121	break;
	122	} // if
	123	} // for
	124
	125	// if line contains symbol, attempt to demangle
[b542bfb]	126	int frameNo = i - start;
[e6955b1]	127	if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]	128	*mangled_name++ = '\0'; // delimit strings
[e6955b1]	129	*offset_begin++ = '\0';
	130	*offset_end++ = '\0';
	131
[0afffee]	132	int status;
[e6955b1]	133	char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]	134	// bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]	135	if ( status == 0 ) { // demangling successful ?
[b542bfb]	136	cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]	137	<< real_name << "+" << offset_begin << offset_end << endl;
	138	} else { // otherwise, output mangled name
[b542bfb]	139	cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]	140	<< mangled_name << "(/unknown/)+" << offset_begin << offset_end << endl;
[e6955b1]	141	} // if
[0afffee]	142
[e6955b1]	143	free( real_name );
	144	} else { // otherwise, print the whole line
[b542bfb]	145	cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]	146	} // if
	147	} // for
[b542bfb]	148
[e6955b1]	149	free( messages );
[b542bfb]	150	} // backtrace
	151
	152	void sigSegvBusHandler( int sig_num ) {
	153	cerr << "CFA runtime error program cfa-cpp terminated with "
	154	<< (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]	155	<< "." << endl;
[b542bfb]	156	backtrace( 2 ); // skip first 2 stack frames
[e6955b1]	157	exit( EXIT_FAILURE );
	158	} // sigSegvBusHandler
[0da3e2c]	159
[b3c36f4]	160	void sigAbortHandler( __attribute__((unused)) int sig_num ) {
[b542bfb]	161	backtrace( 6 ); // skip first 6 stack frames
	162	signal( SIGABRT, SIG_DFL); // reset default signal handler
	163	raise( SIGABRT ); // reraise SIGABRT
	164	} // sigAbortHandler
	165
	166
[cbaee0d]	167	int main( int argc, char * argv[] ) {
[3b8e52c]	168	FILE * input; // use FILE rather than istream because yyin is FILE
[e6955b1]	169	ostream *output = & cout;
[926af74]	170	const char *filename = nullptr;
[e6955b1]	171	list< Declaration * > translationUnit;
	172
	173	signal( SIGSEGV, sigSegvBusHandler );
	174	signal( SIGBUS, sigSegvBusHandler );
[b542bfb]	175	signal( SIGABRT, sigAbortHandler );
[b87a5ed]	176
[0da3e2c]	177	parse_cmdline( argc, argv, filename ); // process command-line arguments
[13de47bc]	178	CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]	179
	180	try {
[81419b5]	181	// choose to read the program from a file or stdin
[3b8e52c]	182	if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]	183	input = fopen( argv[ optind ], "r" );
[3b8e52c]	184	assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162]	185	// if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]	186	if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]	187	// prelude filename comes in differently
	188	if ( libcfap ) filename = "prelude.cf";
[b87a5ed]	189	optind += 1;
[3b8e52c]	190	} else { // no input file name
[b87a5ed]	191	input = stdin;
[2a7e29b]	192	// if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
	193	// a fake name along
[926af74]	194	if ( filename == nullptr ) filename = "stdin";
[b87a5ed]	195	} // if
	196
[159c62e]	197	// read in the builtins, extras, and the prelude
[de62360d]	198	if ( ! nopreludep ) { // include gcc builtins
[faf8857]	199	// -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]	200
	201	// Read to gcc builtins, if not generating the cfa library
[6ce3ae9]	202	FILE * gcc_builtins = fopen( libcfap \| treep ? "../prelude/gcc-builtins.cf" : CFA_LIBDIR "/gcc-builtins.cf", "r" );
	203	assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
	204	parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]	205
[159c62e]	206	// read the extra prelude in, if not generating the cfa library
[375a068]	207	FILE * extras = fopen( libcfap \| treep ? "../prelude/extras.cf" : CFA_LIBDIR "/extras.cf", "r" );
[3b8e52c]	208	assertf( extras, "cannot open extras.cf\n" );
[159c62e]	209	parse( extras, LinkageSpec::C );
	210
[81419b5]	211	if ( ! libcfap ) {
[faf8857]	212	// read the prelude in, if not generating the cfa library
[375a068]	213	FILE * prelude = fopen( treep ? "../prelude/prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
[3b8e52c]	214	assertf( prelude, "cannot open prelude.cf\n" );
[35304009]	215	parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]	216
	217	// Read to cfa builtins, if not generating the cfa library
	218	FILE * builtins = fopen( libcfap \| treep ? "../prelude/builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
	219	assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]	220	parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]	221	} // if
	222	} // if
[81419b5]	223
[926af74]	224	parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]	225
[b87a5ed]	226	if ( parsep ) {
[e6955b1]	227	parseTree->printList( cout );
[0da3e2c]	228	delete parseTree;
[b87a5ed]	229	return 0;
	230	} // if
	231
[0da3e2c]	232	buildList( parseTree, translationUnit );
	233	delete parseTree;
[cbaee0d]	234	parseTree = nullptr;
[b87a5ed]	235
	236	if ( astp ) {
[1ab4ce2]	237	dump( translationUnit );
[b87a5ed]	238	return 0;
	239	} // if
	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 ) {
[bff09c8]	250	PassVisitor<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
[9f5ecf5]	305	OPTPRINT( "generateWaitfor" );
	306	Concurrency::generateWaitFor( translationUnit );
	307
[626dbc10]	308	OPTPRINT( "convertSpecializations" ) // needs to happen before tuple types are expanded
	309	GenPoly::convertSpecializations( translationUnit );
	310
[d9fa60a]	311	OPTPRINT( "expandTuples" ); // xxx - is this the right place for this?
	312	Tuples::expandTuples( translationUnit );
[626dbc10]	313	if ( tuplep ) {
	314	dump( translationUnit );
	315	return 0;
	316	}
[141b786]	317
[a5f0529]	318	OPTPRINT( "virtual expandCasts" ) // Must come after translateEHM
	319	Virtual::expandCasts( translationUnit );
	320
[ea5daeb]	321	OPTPRINT("instantiateGenerics")
	322	GenPoly::instantiateGeneric( translationUnit );
[81419b5]	323	OPTPRINT( "convertLvalue" )
[b87a5ed]	324	GenPoly::convertLvalue( translationUnit );
[9dbf7c8]	325	OPTPRINT( "copyParams" );
	326	GenPoly::copyParams( translationUnit );
[fea7ca7]	327
	328	if ( bboxp ) {
	329	dump( translationUnit );
	330	return 0;
[926af74]	331	} // if
[81419b5]	332	OPTPRINT( "box" )
[b87a5ed]	333	GenPoly::box( translationUnit );
[81419b5]	334
[8905f56]	335	if ( bcodegenp ) {
	336	dump( translationUnit );
	337	return 0;
	338	}
	339
[13de47bc]	340	if ( optind < argc ) { // any commands after the flags and input file ? => output file name
	341	output = new ofstream( argv[ optind ] );
	342	} // if
[0270824]	343
[7b15d7a]	344	CodeTools::fillLocations( translationUnit );
[c850687]	345	CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, ! nolinemarks );
[0270824]	346
[13de47bc]	347	CodeGen::FixMain::fix( *output, treep ? "../prelude/bootloader.c" : CFA_LIBDIR "/bootloader.c" );
[0270824]	348
[e6955b1]	349	if ( output != &cout ) {
[b87a5ed]	350	delete output;
	351	} // if
	352	} catch ( SemanticError &e ) {
	353	if ( errorp ) {
[e6955b1]	354	cerr << "---AST at error:---" << endl;
	355	dump( translationUnit, cerr );
	356	cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]	357	} // if
[e6955b1]	358	e.print( cerr );
	359	if ( output != &cout ) {
[b87a5ed]	360	delete output;
	361	} // if
	362	return 1;
	363	} catch ( UnimplementedError &e ) {
[e6955b1]	364	cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
	365	if ( output != &cout ) {
[b87a5ed]	366	delete output;
	367	} // if
	368	return 1;
	369	} catch ( CompilerError &e ) {
[e6955b1]	370	cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]	371	cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]	372	if ( output != &cout ) {
[b87a5ed]	373	delete output;
	374	} // if
	375	return 1;
	376	} // try
	377
[39786813]	378	deleteAll( translationUnit );
[b87a5ed]	379	return 0;
[d9a0e76]	380	} // main
[51b7345]	381
[cbaee0d]	382	void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[41a7137]	383	enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, TupleExpansion, Validate, };
[0da3e2c]	384
	385	static struct option long_opts[] = {
	386	{ "ast", no_argument, 0, Ast },
	387	{ "before-box", no_argument, 0, Bbox },
	388	{ "before-resolver", no_argument, 0, Bresolver },
	389	{ "ctorinitfix", no_argument, 0, CtorInitFix },
[41a7137]	390	{ "decl-stats", no_argument, 0, DeclStats },
[0da3e2c]	391	{ "expr", no_argument, 0, Expr },
	392	{ "expralt", no_argument, 0, ExprAlt },
	393	{ "grammar", no_argument, 0, Grammar },
	394	{ "libcfa", no_argument, 0, LibCFA },
	395	{ "no-preamble", no_argument, 0, Nopreamble },
	396	{ "parse", no_argument, 0, Parse },
	397	{ "no-prototypes", no_argument, 0, Prototypes },
	398	{ "resolver", no_argument, 0, Resolver },
	399	{ "symbol", no_argument, 0, Symbol },
	400	{ "tree", no_argument, 0, Tree },
[626dbc10]	401	{ "tuple-expansion", no_argument, 0, TupleExpansion },
[0da3e2c]	402	{ "validate", no_argument, 0, Validate },
	403	{ 0, 0, 0, 0 }
	404	}; // long_opts
	405	int long_index;
	406
	407	opterr = 0; // (global) prevent getopt from printing error messages
	408
	409	int c;
[8905f56]	410	while ( (c = getopt_long( argc, argv, "abBcCdefglLmnpqrstTvyzZD:F:", long_opts, &long_index )) != -1 ) {
[0da3e2c]	411	switch ( c ) {
	412	case Ast:
	413	case 'a': // dump AST
	414	astp = true;
	415	break;
	416	case Bresolver:
	417	case 'b': // print before resolver steps
	418	bresolvep = true;
	419	break;
[626dbc10]	420	case 'B': // print before box steps
[0da3e2c]	421	bboxp = true;
	422	break;
	423	case CtorInitFix:
[e39241b]	424	case 'c': // print after constructors and destructors are replaced
[0da3e2c]	425	ctorinitp = true;
	426	break;
[8905f56]	427	case 'C': // print before code generation
	428	bcodegenp = true;
	429	break;
[41a7137]	430	case DeclStats:
	431	case 'd':
	432	declstatsp = true;
	433	break;
[0da3e2c]	434	case Expr:
	435	case 'e': // dump AST after expression analysis
	436	exprp = true;
	437	break;
	438	case ExprAlt:
	439	case 'f': // print alternatives for expressions
	440	expraltp = true;
	441	break;
	442	case Grammar:
	443	case 'g': // bison debugging info (grammar rules)
[926af74]	444	yydebug = true;
[0da3e2c]	445	break;
	446	case LibCFA:
	447	case 'l': // generate libcfa.c
	448	libcfap = true;
	449	break;
[c850687]	450	case 'L': // surpress lines marks
	451	nolinemarks = true;
	452	break;
[0da3e2c]	453	case Nopreamble:
	454	case 'n': // do not read preamble
	455	nopreludep = true;
	456	break;
	457	case Prototypes:
	458	case 'p': // generate prototypes for preamble functions
	459	noprotop = true;
	460	break;
[3fe34ae]	461	case 'm': // don't replace the main
	462	nomainp = true;
	463	break;
[0da3e2c]	464	case Parse:
	465	case 'q': // dump parse tree
	466	parsep = true;
	467	break;
	468	case Resolver:
	469	case 'r': // print resolver steps
	470	resolvep = true;
	471	break;
	472	case Symbol:
	473	case 's': // print symbol table events
	474	symtabp = true;
	475	break;
	476	case Tree:
	477	case 't': // build in tree
	478	treep = true;
	479	break;
[626dbc10]	480	case TupleExpansion:
	481	case 'T': // print after tuple expansion
	482	tuplep = true;
	483	break;
[0da3e2c]	484	case 'v': // dump AST after decl validation pass
	485	validp = true;
	486	break;
[e39241b]	487	case 'y': // dump AST on error
[0da3e2c]	488	errorp = true;
	489	break;
[e39241b]	490	case 'z': // dump as codegen rather than AST
[0da3e2c]	491	codegenp = true;
[e39241b]	492	break;
	493	case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.)
[35b1bf4]	494	prettycodegenp = true;
[0da3e2c]	495	break;
	496	case 'D': // ignore -Dxxx
	497	break;
	498	case 'F': // source file-name without suffix
	499	filename = optarg;
	500	break;
	501	case '?':
[ae47a23]	502	if ( optopt ) { // short option ?
	503	assertf( false, "Unknown option: -%c\n", (char)optopt );
	504	} else {
	505	assertf( false, "Unknown option: %s\n", argv[optind - 1] );
	506	} // if
[0da3e2c]	507	default:
	508	abort();
	509	} // switch
	510	} // while
	511	} // parse_cmdline
	512
[8b7ee09]	513	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]	514	extern int yyparse( void );
[cbaee0d]	515	extern FILE * yyin;
[0da3e2c]	516	extern int yylineno;
	517
[8b7ee09]	518	::linkage = linkage; // set globals
[0da3e2c]	519	yyin = input;
	520	yylineno = 1;
	521	typedefTable.enterScope();
	522	int parseStatus = yyparse();
[81419b5]	523
	524	fclose( input );
[0da3e2c]	525	if ( shouldExit \|\| parseStatus != 0 ) {
	526	exit( parseStatus );
[81419b5]	527	} // if
[0da3e2c]	528	} // parse
[81419b5]	529
[1ab4ce2]	530	static bool notPrelude( Declaration * decl ) {
	531	return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]	532	} // notPrelude
[1ab4ce2]	533
[e6955b1]	534	static void dump( list< Declaration * > & translationUnit, ostream & out ) {
	535	list< Declaration * > decls;
[926af74]	536
[1ab4ce2]	537	if ( noprotop ) {
[e6955b1]	538	filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]	539	} else {
	540	decls = translationUnit;
[926af74]	541	} // if
[1ab4ce2]	542
[e39241b]	543	// depending on commandline options, either generate code or dump the AST
	544	if ( codegenp ) {
	545	CodeGen::generate( decls, out, ! noprotop, prettycodegenp );
	546	} else {
	547	printAll( decls, out );
	548	}
[7f5566b]	549	deleteAll( translationUnit );
[0da3e2c]	550	} // dump
[1ab4ce2]	551
[51b7345]	552	// Local Variables: //
[b87a5ed]	553	// tab-width: 4 //
	554	// mode: c++ //
	555	// compile-command: "make install" //
[51b7345]	556	// End: //

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