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new-env with_gc

Last change on this file since 7a37f258 was bd06384, checked in by Aaron Moss <a3moss@…>, 8 years ago
Add static roots to GC; fix some static GC_Objects
Property mode set to `100644`
File size: 18.8 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
[c59bde6]	12	// Last Modified By : Peter A. Buhr
	13	// Last Modified On : Tue Oct 31 12:22:40 2017
	14	// Update Count : 445
[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
[68f9c43]	39	#include "Common/GC.h" // for GC
[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
[68f9c43]	60	#include "SynTree/GcTracer.h" // for GC << TranslationUnit
[bf2438c]	61	#include "SynTree/Visitor.h" // for acceptAll
	62	#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a5f0529]	63	#include "Virtual/ExpandCasts.h" // for expandCasts
[51b73452]	64
	65	using namespace std;
	66
[e6955b1]	67	#define OPTPRINT(x) if ( errorp ) cerr << x << endl;
[81419b5]	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,
[53d3ab4b]	83	genericsp = false,
[b87a5ed]	84	libcfap = false,
[de62360d]	85	nopreludep = false,
[1ab4ce2]	86	noprotop = false,
[3fe34ae]	87	nomainp = false,
[de62360d]	88	parsep = false,
[b87a5ed]	89	resolvep = false, // used in AlternativeFinder
	90	symtabp = false,
[d3b7937]	91	treep = false,
[626dbc10]	92	tuplep = false,
[b87a5ed]	93	validp = false,
[de62360d]	94	errorp = false,
[35b1bf4]	95	codegenp = false,
[c850687]	96	prettycodegenp = false,
[6de43b6]	97	linemarks = false;
[b87a5ed]	98
[926af74]	99	static void parse_cmdline( int argc, char argv[], const char & filename );
[8b7ee09]	100	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]	101	static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
	102
[0afffee]	103	static void backtrace( int start ) { // skip first N stack frames
[e6955b1]	104	enum { Frames = 50 };
	105	void * array[Frames];
[0afffee]	106	int size = ::backtrace( array, Frames );
	107	char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
	108
	109	*index( messages[0], '(' ) = '\0'; // find executable name
	110	cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]	111
[b542bfb]	112	// skip last 2 stack frames after main
	113	for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]	114	char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
	115	for ( char p = messages[i]; p; ++p ) { // find parantheses and +offset
[0afffee]	116	if ( *p == '(' ) {
[46f6134]	117	mangled_name = p;
[0afffee]	118	} else if ( *p == '+' ) {
[e6955b1]	119	offset_begin = p;
[0afffee]	120	} else if ( *p == ')' ) {
[e6955b1]	121	offset_end = p;
	122	break;
	123	} // if
	124	} // for
	125
	126	// if line contains symbol, attempt to demangle
[b542bfb]	127	int frameNo = i - start;
[e6955b1]	128	if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]	129	*mangled_name++ = '\0'; // delimit strings
[e6955b1]	130	*offset_begin++ = '\0';
	131	*offset_end++ = '\0';
	132
[0afffee]	133	int status;
[e6955b1]	134	char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]	135	// bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]	136	if ( status == 0 ) { // demangling successful ?
[b542bfb]	137	cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]	138	<< real_name << "+" << offset_begin << offset_end << endl;
	139	} else { // otherwise, output mangled name
[b542bfb]	140	cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]	141	<< mangled_name << "(/unknown/)+" << offset_begin << offset_end << endl;
[e6955b1]	142	} // if
[0afffee]	143
[e6955b1]	144	free( real_name );
	145	} else { // otherwise, print the whole line
[b542bfb]	146	cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]	147	} // if
	148	} // for
[b542bfb]	149
[e6955b1]	150	free( messages );
[b542bfb]	151	} // backtrace
	152
	153	void sigSegvBusHandler( int sig_num ) {
	154	cerr << "CFA runtime error program cfa-cpp terminated with "
	155	<< (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]	156	<< "." << endl;
[b542bfb]	157	backtrace( 2 ); // skip first 2 stack frames
[e6955b1]	158	exit( EXIT_FAILURE );
	159	} // sigSegvBusHandler
[0da3e2c]	160
[b3c36f4]	161	void sigAbortHandler( __attribute__((unused)) int sig_num ) {
[b542bfb]	162	backtrace( 6 ); // skip first 6 stack frames
	163	signal( SIGABRT, SIG_DFL); // reset default signal handler
	164	raise( SIGABRT ); // reraise SIGABRT
	165	} // sigAbortHandler
	166
	167
[cbaee0d]	168	int main( int argc, char * argv[] ) {
[3b8e52c]	169	FILE * input; // use FILE rather than istream because yyin is FILE
[e6955b1]	170	ostream *output = & cout;
[926af74]	171	const char *filename = nullptr;
[e6955b1]	172	list< Declaration * > translationUnit;
	173
	174	signal( SIGSEGV, sigSegvBusHandler );
	175	signal( SIGBUS, sigSegvBusHandler );
[b542bfb]	176	signal( SIGABRT, sigAbortHandler );
[b87a5ed]	177
[0da3e2c]	178	parse_cmdline( argc, argv, filename ); // process command-line arguments
[13de47bc]	179	CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]	180
	181	try {
[81419b5]	182	// choose to read the program from a file or stdin
[3b8e52c]	183	if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]	184	input = fopen( argv[ optind ], "r" );
[3b8e52c]	185	assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162e]	186	// if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]	187	if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]	188	// prelude filename comes in differently
	189	if ( libcfap ) filename = "prelude.cf";
[b87a5ed]	190	optind += 1;
[3b8e52c]	191	} else { // no input file name
[b87a5ed]	192	input = stdin;
[2a7e29b]	193	// if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
	194	// a fake name along
[926af74]	195	if ( filename == nullptr ) filename = "stdin";
[b87a5ed]	196	} // if
	197
[159c62e]	198	// read in the builtins, extras, and the prelude
[de62360d]	199	if ( ! nopreludep ) { // include gcc builtins
[faf8857]	200	// -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]	201
	202	// Read to gcc builtins, if not generating the cfa library
[6ce3ae9]	203	FILE * gcc_builtins = fopen( libcfap \| treep ? "../prelude/gcc-builtins.cf" : CFA_LIBDIR "/gcc-builtins.cf", "r" );
	204	assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
	205	parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]	206
[159c62e]	207	// read the extra prelude in, if not generating the cfa library
[375a068]	208	FILE * extras = fopen( libcfap \| treep ? "../prelude/extras.cf" : CFA_LIBDIR "/extras.cf", "r" );
[3b8e52c]	209	assertf( extras, "cannot open extras.cf\n" );
[f0994a1]	210	parse( extras, LinkageSpec::BuiltinC );
[159c62e]	211
[81419b5]	212	if ( ! libcfap ) {
[faf8857]	213	// read the prelude in, if not generating the cfa library
[375a068]	214	FILE * prelude = fopen( treep ? "../prelude/prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
[3b8e52c]	215	assertf( prelude, "cannot open prelude.cf\n" );
[35304009]	216	parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]	217
	218	// Read to cfa builtins, if not generating the cfa library
	219	FILE * builtins = fopen( libcfap \| treep ? "../prelude/builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
	220	assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]	221	parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]	222	} // if
	223	} // if
[81419b5]	224
[926af74]	225	parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]	226
[b87a5ed]	227	if ( parsep ) {
[e6955b1]	228	parseTree->printList( cout );
[0da3e2c]	229	delete parseTree;
[b87a5ed]	230	return 0;
	231	} // if
	232
[0da3e2c]	233	buildList( parseTree, translationUnit );
	234	delete parseTree;
[cbaee0d]	235	parseTree = nullptr;
[68f9c43]	236	collect( translationUnit );
[b87a5ed]	237
	238	if ( astp ) {
[1ab4ce2]	239	dump( translationUnit );
[b87a5ed]	240	return 0;
	241	} // if
	242
[839ccbb]	243	// add the assignment statement after the initialization of a type parameter
[81419b5]	244	OPTPRINT( "validate" )
	245	SymTab::validate( translationUnit, symtabp );
[68f9c43]	246	if ( symtabp ) return 0;
[bd06384]	247	collect( translationUnit );
[b87a5ed]	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 );
[68f9c43]	268	collect( translationUnit );
[81419b5]	269	if ( libcfap ) {
	270	// generate the bodies of cfa library functions
	271	LibCfa::makeLibCfa( translationUnit );
[b87a5ed]	272	} // if
	273
[fa2de95]	274	if ( declstatsp ) {
	275	CodeTools::printDeclStats( translationUnit );
	276	return 0;
	277	}
	278
[de62360d]	279	if ( bresolvep ) {
[1ab4ce2]	280	dump( translationUnit );
[de62360d]	281	return 0;
	282	} // if
	283
[76b378d]	284	CodeTools::fillLocations( translationUnit );
	285
[81419b5]	286	OPTPRINT( "resolve" )
[b87a5ed]	287	ResolvExpr::resolve( translationUnit );
[68f9c43]	288	collect( translationUnit );
[81419b5]	289	if ( exprp ) {
[1ab4ce2]	290	dump( translationUnit );
[ca1c11f]	291	return 0;
[926af74]	292	} // if
[81419b5]	293
[71f4e4f]	294	// fix ObjectDecl - replaces ConstructorInit nodes
[6cf27a07]	295	OPTPRINT( "fixInit" )
	296	InitTweak::fix( translationUnit, filename, libcfap \|\| treep );
[68f9c43]	297	collect( translationUnit );
[ca1c11f]	298	if ( ctorinitp ) {
	299	dump ( translationUnit );
	300	return 0;
[926af74]	301	} // if
[71f4e4f]	302
[141b786]	303	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
	304	Tuples::expandUniqueExpr( translationUnit );
[626dbc10]	305
[307a732]	306	OPTPRINT( "translateEHM" );
	307	ControlStruct::translateEHM( translationUnit );
	308
[9f5ecf5]	309	OPTPRINT( "generateWaitfor" );
	310	Concurrency::generateWaitFor( translationUnit );
	311
[626dbc10]	312	OPTPRINT( "convertSpecializations" ) // needs to happen before tuple types are expanded
	313	GenPoly::convertSpecializations( translationUnit );
	314
[d9fa60a]	315	OPTPRINT( "expandTuples" ); // xxx - is this the right place for this?
	316	Tuples::expandTuples( translationUnit );
[68f9c43]	317	collect( translationUnit );
[626dbc10]	318	if ( tuplep ) {
	319	dump( translationUnit );
	320	return 0;
	321	}
[141b786]	322
[a5f0529]	323	OPTPRINT( "virtual expandCasts" ) // Must come after translateEHM
	324	Virtual::expandCasts( translationUnit );
	325
[ea5daeb]	326	OPTPRINT("instantiateGenerics")
	327	GenPoly::instantiateGeneric( translationUnit );
[68f9c43]	328	collect( translationUnit );
[53d3ab4b]	329	if ( genericsp ) {
	330	dump( translationUnit );
	331	return 0;
	332	}
[68f9c43]	333
[81419b5]	334	OPTPRINT( "convertLvalue" )
[b87a5ed]	335	GenPoly::convertLvalue( translationUnit );
[68f9c43]	336	collect( translationUnit );
[fea7ca7]	337	if ( bboxp ) {
	338	dump( translationUnit );
	339	return 0;
[926af74]	340	} // if
[68f9c43]	341
[81419b5]	342	OPTPRINT( "box" )
[b87a5ed]	343	GenPoly::box( translationUnit );
[68f9c43]	344	collect( translationUnit );
[8905f56]	345	if ( bcodegenp ) {
	346	dump( translationUnit );
	347	return 0;
	348	}
	349
[13de47bc]	350	if ( optind < argc ) { // any commands after the flags and input file ? => output file name
	351	output = new ofstream( argv[ optind ] );
	352	} // if
[0270824]	353
[7b15d7a]	354	CodeTools::fillLocations( translationUnit );
[53d3ab4b]	355	OPTPRINT( "codegen" )
[6de43b6]	356	CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, linemarks );
[0270824]	357
[13de47bc]	358	CodeGen::FixMain::fix( *output, treep ? "../prelude/bootloader.c" : CFA_LIBDIR "/bootloader.c" );
[53d3ab4b]	359	OPTPRINT( "end" )
[0270824]	360
[e6955b1]	361	if ( output != &cout ) {
[b87a5ed]	362	delete output;
	363	} // if
[a16764a6]	364	} catch ( SemanticErrorException &e ) {
[b87a5ed]	365	if ( errorp ) {
[e6955b1]	366	cerr << "---AST at error:---" << endl;
	367	dump( translationUnit, cerr );
	368	cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]	369	} // if
[d55d7a6]	370	e.print();
[e6955b1]	371	if ( output != &cout ) {
[b87a5ed]	372	delete output;
	373	} // if
	374	return 1;
	375	} catch ( UnimplementedError &e ) {
[e6955b1]	376	cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
	377	if ( output != &cout ) {
[b87a5ed]	378	delete output;
	379	} // if
	380	return 1;
	381	} catch ( CompilerError &e ) {
[e6955b1]	382	cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]	383	cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]	384	if ( output != &cout ) {
[b87a5ed]	385	delete output;
	386	} // if
	387	return 1;
	388	} // try
	389
	390	return 0;
[d9a0e76]	391	} // main
[51b73452]	392
[cbaee0d]	393	void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[6de43b6]	394	enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Linemarks, Nolinemarks, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, TupleExpansion, Validate, };
[0da3e2c]	395
	396	static struct option long_opts[] = {
	397	{ "ast", no_argument, 0, Ast },
	398	{ "before-box", no_argument, 0, Bbox },
	399	{ "before-resolver", no_argument, 0, Bresolver },
	400	{ "ctorinitfix", no_argument, 0, CtorInitFix },
[41a7137]	401	{ "decl-stats", no_argument, 0, DeclStats },
[0da3e2c]	402	{ "expr", no_argument, 0, Expr },
	403	{ "expralt", no_argument, 0, ExprAlt },
	404	{ "grammar", no_argument, 0, Grammar },
	405	{ "libcfa", no_argument, 0, LibCFA },
[6de43b6]	406	{ "line-marks", no_argument, 0, Linemarks },
	407	{ "no-line-marks", no_argument, 0, Nolinemarks },
[0da3e2c]	408	{ "no-preamble", no_argument, 0, Nopreamble },
	409	{ "parse", no_argument, 0, Parse },
	410	{ "no-prototypes", no_argument, 0, Prototypes },
	411	{ "resolver", no_argument, 0, Resolver },
	412	{ "symbol", no_argument, 0, Symbol },
	413	{ "tree", no_argument, 0, Tree },
[626dbc10]	414	{ "tuple-expansion", no_argument, 0, TupleExpansion },
[0da3e2c]	415	{ "validate", no_argument, 0, Validate },
	416	{ 0, 0, 0, 0 }
	417	}; // long_opts
	418	int long_index;
	419
	420	opterr = 0; // (global) prevent getopt from printing error messages
	421
	422	int c;
[53d3ab4b]	423	while ( (c = getopt_long( argc, argv, "abBcCdefgGlLmnNpqrstTvyzZD:F:", long_opts, &long_index )) != -1 ) {
[0da3e2c]	424	switch ( c ) {
	425	case Ast:
	426	case 'a': // dump AST
	427	astp = true;
	428	break;
	429	case Bresolver:
	430	case 'b': // print before resolver steps
	431	bresolvep = true;
	432	break;
[626dbc10]	433	case 'B': // print before box steps
[0da3e2c]	434	bboxp = true;
	435	break;
	436	case CtorInitFix:
[e39241b]	437	case 'c': // print after constructors and destructors are replaced
[0da3e2c]	438	ctorinitp = true;
	439	break;
[8905f56]	440	case 'C': // print before code generation
	441	bcodegenp = true;
	442	break;
[41a7137]	443	case DeclStats:
	444	case 'd':
	445	declstatsp = true;
	446	break;
[0da3e2c]	447	case Expr:
	448	case 'e': // dump AST after expression analysis
	449	exprp = true;
	450	break;
	451	case ExprAlt:
	452	case 'f': // print alternatives for expressions
	453	expraltp = true;
	454	break;
	455	case Grammar:
	456	case 'g': // bison debugging info (grammar rules)
[926af74]	457	yydebug = true;
[0da3e2c]	458	break;
[53d3ab4b]	459	case 'G': // dump AST after instantiate generics
	460	genericsp = true;
	461	break;
[0da3e2c]	462	case LibCFA:
	463	case 'l': // generate libcfa.c
	464	libcfap = true;
	465	break;
[6de43b6]	466	case Linemarks:
	467	case 'L': // print lines marks
	468	linemarks = true;
[c850687]	469	break;
[0da3e2c]	470	case Nopreamble:
	471	case 'n': // do not read preamble
	472	nopreludep = true;
	473	break;
[6de43b6]	474	case Nolinemarks:
	475	case 'N': // suppress line marks
	476	linemarks = false;
[c59bde6]	477	break;
[0da3e2c]	478	case Prototypes:
	479	case 'p': // generate prototypes for preamble functions
	480	noprotop = true;
	481	break;
[3fe34ae]	482	case 'm': // don't replace the main
	483	nomainp = true;
	484	break;
[0da3e2c]	485	case Parse:
	486	case 'q': // dump parse tree
	487	parsep = true;
	488	break;
	489	case Resolver:
	490	case 'r': // print resolver steps
	491	resolvep = true;
	492	break;
	493	case Symbol:
	494	case 's': // print symbol table events
	495	symtabp = true;
	496	break;
	497	case Tree:
	498	case 't': // build in tree
	499	treep = true;
	500	break;
[626dbc10]	501	case TupleExpansion:
	502	case 'T': // print after tuple expansion
	503	tuplep = true;
	504	break;
[0da3e2c]	505	case 'v': // dump AST after decl validation pass
	506	validp = true;
	507	break;
[e39241b]	508	case 'y': // dump AST on error
[0da3e2c]	509	errorp = true;
	510	break;
[e39241b]	511	case 'z': // dump as codegen rather than AST
[0da3e2c]	512	codegenp = true;
[e39241b]	513	break;
	514	case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.)
[35b1bf4]	515	prettycodegenp = true;
[0da3e2c]	516	break;
	517	case 'D': // ignore -Dxxx
	518	break;
	519	case 'F': // source file-name without suffix
	520	filename = optarg;
	521	break;
	522	case '?':
[ae47a23]	523	if ( optopt ) { // short option ?
	524	assertf( false, "Unknown option: -%c\n", (char)optopt );
	525	} else {
	526	assertf( false, "Unknown option: %s\n", argv[optind - 1] );
	527	} // if
[af98d27]	528	#if __GNUC__ < 7
	529	#else
	530	__attribute__((fallthrough));
	531	#endif
[0da3e2c]	532	default:
	533	abort();
	534	} // switch
	535	} // while
	536	} // parse_cmdline
	537
[8b7ee09]	538	static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]	539	extern int yyparse( void );
[cbaee0d]	540	extern FILE * yyin;
[0da3e2c]	541	extern int yylineno;
	542
[8b7ee09]	543	::linkage = linkage; // set globals
[0da3e2c]	544	yyin = input;
	545	yylineno = 1;
	546	typedefTable.enterScope();
	547	int parseStatus = yyparse();
[81419b5]	548
	549	fclose( input );
[0da3e2c]	550	if ( shouldExit \|\| parseStatus != 0 ) {
	551	exit( parseStatus );
[81419b5]	552	} // if
[0da3e2c]	553	} // parse
[81419b5]	554
[1ab4ce2]	555	static bool notPrelude( Declaration * decl ) {
	556	return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]	557	} // notPrelude
[1ab4ce2]	558
[e6955b1]	559	static void dump( list< Declaration * > & translationUnit, ostream & out ) {
	560	list< Declaration * > decls;
[926af74]	561
[1ab4ce2]	562	if ( noprotop ) {
[e6955b1]	563	filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]	564	} else {
	565	decls = translationUnit;
[926af74]	566	} // if
[1ab4ce2]	567
[e39241b]	568	// depending on commandline options, either generate code or dump the AST
	569	if ( codegenp ) {
	570	CodeGen::generate( decls, out, ! noprotop, prettycodegenp );
	571	} else {
	572	printAll( decls, out );
	573	}
[0da3e2c]	574	} // dump
[1ab4ce2]	575
[51b73452]	576	// Local Variables: //
[b87a5ed]	577	// tab-width: 4 //
	578	// mode: c++ //
	579	// compile-command: "make install" //
[51b73452]	580	// End: //

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