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source: src/CodeGen/CodeGenerator.cc @ 71f4e4f

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsctordeferred_resndemanglerenumforall-pointer-decaygc_noraiijacob/cs343-translationjenkins-sandboxmemorynew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc

Last change on this file since 71f4e4f was 71f4e4f, checked in by Rob Schluntz <rschlunt@…>, 8 years ago
added ConstructorInit?, simple constructors and destructors work correctly
Property mode set to `100644`
File size: 20.2 KB

Line
1	//
2	// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3	//
4	// The contents of this file are covered under the licence agreement in the
5	// file "LICENCE" distributed with Cforall.
6	//
7	// CodeGenerator.cc --
8	//
9	// Author : Richard C. Bilson
10	// Created On : Mon May 18 07:44:20 2015
11	// Last Modified By : Rob Schluntz
12	// Last Modified On : Wed Jan 13 16:26:59 2016
13	// Update Count : 234
14	//
15
16	#include <algorithm>
17	#include <iostream>
18	#include <cassert>
19	#include <list>
20
21	#include "Parser/ParseNode.h"
22
23	#include "SynTree/Type.h"
24	#include "SynTree/Expression.h"
25	#include "SynTree/Initializer.h"
26	#include "SynTree/Statement.h"
27
28	#include "utility.h"
29	#include "UnimplementedError.h"
30
31	#include "CodeGenerator.h"
32	#include "OperatorTable.h"
33	#include "GenType.h"
34
35	using namespace std;
36
37	namespace CodeGen {
38	int CodeGenerator::tabsize = 4;
39
40	// the kinds of statements that would ideally be followed by whitespace
41	bool wantSpacing( Statement * stmt) {
42	return dynamic_cast< IfStmt * >( stmt ) \|\| dynamic_cast< CompoundStmt * >( stmt ) \|\|
43	dynamic_cast< WhileStmt * >( stmt ) \|\| dynamic_cast< ForStmt * > ( stmt ) \|\| dynamic_cast< SwitchStmt *>( stmt );
44	}
45
46	ostream & CodeGenerator::Indenter::operator()( ostream & output ) {
47	return output << string( cg.cur_indent, ' ' );
48	}
49
50	ostream & operator<<( ostream & output, CodeGenerator::Indenter &indent ) {
51	return indent( output );
52	}
53
54	CodeGenerator::CodeGenerator( std::ostream &os ) : indent( *this), cur_indent( 0 ), insideFunction( false ), output( os ) { }
55
56	CodeGenerator::CodeGenerator( std::ostream &os, std::string init, int indentation, bool infunp )
57	: indent( *this), cur_indent( indentation ), insideFunction( infunp ), output( os ) {
58	//output << std::string( init );
59	}
60
61	CodeGenerator::CodeGenerator( std::ostream &os, char *init, int indentation, bool infunp )
62	: indent( *this ), cur_indent( indentation ), insideFunction( infunp ), output( os ) {
63	//output << std::string( init );
64	}
65
66	string mangleName( DeclarationWithType *decl ) {
67	if ( decl->get_mangleName() != "" ) {
68	return decl->get_mangleName();
69	} else {
70	return decl->get_name();
71	} // if
72	}
73
74	//*** Declarations
75	void CodeGenerator::visit( FunctionDecl *functionDecl ) {
76	handleStorageClass( functionDecl );
77	if ( functionDecl->get_isInline() ) {
78	output << "inline ";
79	} // if
80	if ( functionDecl->get_isNoreturn() ) {
81	output << "_Noreturn ";
82	} // if
83	output << genType( functionDecl->get_functionType(), mangleName( functionDecl ) );
84
85	// how to get this to the Functype?
86	std::list< Declaration * > olds = functionDecl->get_oldDecls();
87	if ( ! olds.empty() ) {
88	output << " /* function has old declaration */";
89	} // if
90
91	// acceptAll( functionDecl->get_oldDecls(), *this );
92	if ( functionDecl->get_statements() ) {
93	functionDecl->get_statements()->accept( *this );
94	} // if
95	}
96
97	void CodeGenerator::visit( ObjectDecl *objectDecl ) {
98	handleStorageClass( objectDecl );
99	output << genType( objectDecl->get_type(), mangleName( objectDecl ) );
100
101	if ( objectDecl->get_init() ) {
102	output << " = ";
103	objectDecl->get_init()->accept( *this );
104	} // if
105	if ( objectDecl->get_bitfieldWidth() ) {
106	output << ":";
107	objectDecl->get_bitfieldWidth()->accept( *this );
108	} // if
109	}
110
111	void CodeGenerator::handleAggregate( AggregateDecl *aggDecl ) {
112	if ( aggDecl->get_name() != "" )
113	output << aggDecl->get_name();
114
115	std::list< Declaration * > &memb = aggDecl->get_members();
116
117	if ( ! memb.empty() ) {
118	output << " {" << endl;
119
120	cur_indent += CodeGenerator::tabsize;
121	for ( std::list< Declaration* >::iterator i = memb.begin(); i != memb.end(); i++) {
122	output << indent;
123	(i)->accept( this );
124	output << ";" << endl;
125	}
126
127	cur_indent -= CodeGenerator::tabsize;
128
129	output << indent << "}";
130	} // if
131	}
132
133	void CodeGenerator::visit( StructDecl *structDecl ) {
134	output << "struct ";
135	handleAggregate( structDecl );
136	}
137
138	void CodeGenerator::visit( UnionDecl *aggregateDecl ) {
139	output << "union ";
140	handleAggregate( aggregateDecl );
141	}
142
143	void CodeGenerator::visit( EnumDecl *aggDecl ) {
144	output << "enum ";
145
146	if ( aggDecl->get_name() != "" )
147	output << aggDecl->get_name();
148
149	std::list< Declaration* > &memb = aggDecl->get_members();
150
151	if ( ! memb.empty() ) {
152	output << " {" << endl;
153
154	cur_indent += CodeGenerator::tabsize;
155	for ( std::list< Declaration* >::iterator i = memb.begin(); i != memb.end(); i++) {
156	ObjectDecl obj = dynamic_cast< ObjectDecl >( *i );
157	assert( obj );
158	output << indent << mangleName( obj );
159	if ( obj->get_init() ) {
160	output << " = ";
161	obj->get_init()->accept( *this );
162	} // if
163	output << "," << endl;
164	} // for
165
166	cur_indent -= CodeGenerator::tabsize;
167
168	output << indent << "}";
169	} // if
170	}
171
172	void CodeGenerator::visit( ContextDecl *aggregateDecl ) {}
173
174	void CodeGenerator::visit( TypedefDecl *typeDecl ) {
175	output << "typedef ";
176	output << genType( typeDecl->get_base(), typeDecl->get_name() );
177	}
178
179	void CodeGenerator::visit( TypeDecl *typeDecl ) {
180	// really, we should mutate this into something that isn't a TypeDecl but that requires large-scale changes,
181	// still to be done
182	output << "extern unsigned long " << typeDecl->get_name();
183	if ( typeDecl->get_base() ) {
184	output << " = sizeof( " << genType( typeDecl->get_base(), "" ) << " )";
185	} // if
186	}
187
188	void CodeGenerator::printDesignators( std::list< Expression * > & designators ) {
189	typedef std::list< Expression * > DesignatorList;
190	if ( designators.size() == 0 ) return;
191	for ( DesignatorList::iterator iter = designators.begin(); iter != designators.end(); ++iter ) {
192	if ( dynamic_cast< NameExpr * >( *iter ) ) {
193	// if expression is a name, then initializing aggregate member
194	output << ".";
195	(iter)->accept( this );
196	} else {
197	// if not a simple name, it has to be a constant expression, i.e. an array designator
198	output << "[";
199	(iter)->accept( this );
200	output << "]";
201	}
202	}
203	output << " = ";
204	}
205
206	void CodeGenerator::visit( SingleInit *init ) {
207	printDesignators( init->get_designators() );
208	init->get_value()->accept( *this );
209	}
210
211	void CodeGenerator::visit( ListInit *init ) {
212	printDesignators( init->get_designators() );
213	output << "{ ";
214	genCommaList( init->begin_initializers(), init->end_initializers() );
215	output << " }";
216	}
217
218	void CodeGenerator::visit( Constant *constant ) {
219	output << constant->get_value() ;
220	}
221
222	//*** Expressions
223	void CodeGenerator::visit( ApplicationExpr *applicationExpr ) {
224	if ( VariableExpr varExpr = dynamic_cast< VariableExpr >( applicationExpr->get_function() ) ) {
225	OperatorInfo opInfo;
226	if ( varExpr->get_var()->get_linkage() == LinkageSpec::Intrinsic && operatorLookup( varExpr->get_var()->get_name(), opInfo ) ) {
227	std::list< Expression* >::iterator arg = applicationExpr->get_args().begin();
228	switch ( opInfo.type ) {
229	case OT_PREFIXASSIGN:
230	case OT_POSTFIXASSIGN:
231	case OT_INFIXASSIGN:
232	{
233	assert( arg != applicationExpr->get_args().end() );
234	if ( AddressExpr addrExpr = dynamic_cast< AddressExpr >( *arg ) ) {
235
236	*arg = addrExpr->get_arg();
237	} else {
238	UntypedExpr newExpr = new UntypedExpr( new NameExpr( "?" ) );
239	newExpr->get_args().push_back( *arg );
240	*arg = newExpr;
241	} // if
242	break;
243	}
244
245	default:
246	// do nothing
247	;
248	}
249
250	switch ( opInfo.type ) {
251	case OT_INDEX:
252	assert( applicationExpr->get_args().size() == 2 );
253	(arg++)->accept( this );
254	output << "[";
255	(arg)->accept( this );
256	output << "]";
257	break;
258
259	case OT_CALL:
260	case OT_CTOR:
261	case OT_DTOR:
262	// there are no intrinsic definitions of the function call operator or constructors or destructors
263	assert( false );
264	break;
265
266	case OT_PREFIX:
267	case OT_PREFIXASSIGN:
268	assert( applicationExpr->get_args().size() == 1 );
269	output << "(";
270	output << opInfo.symbol;
271	(arg)->accept( this );
272	output << ")";
273	break;
274
275	case OT_POSTFIX:
276	case OT_POSTFIXASSIGN:
277	assert( applicationExpr->get_args().size() == 1 );
278	(arg)->accept( this );
279	output << opInfo.symbol;
280	break;
281
282	case OT_INFIX:
283	case OT_INFIXASSIGN:
284	assert( applicationExpr->get_args().size() == 2 );
285	output << "(";
286	(arg++)->accept( this );
287	output << opInfo.symbol;
288	(arg)->accept( this );
289	output << ")";
290	break;
291
292	case OT_CONSTANT:
293	case OT_LABELADDRESS:
294	// there are no intrinsic definitions of 0/1 or label addresses as functions
295	assert( false );
296	}
297	} else {
298	varExpr->accept( *this );
299	output << "(";
300	genCommaList( applicationExpr->get_args().begin(), applicationExpr->get_args().end() );
301	output << ")";
302	} // if
303	} else {
304	applicationExpr->get_function()->accept( *this );
305	output << "(";
306	genCommaList( applicationExpr->get_args().begin(), applicationExpr->get_args().end() );
307	output << ")";
308	} // if
309	}
310
311	void CodeGenerator::visit( UntypedExpr *untypedExpr ) {
312	if ( NameExpr nameExpr = dynamic_cast< NameExpr >( untypedExpr->get_function() ) ) {
313	OperatorInfo opInfo;
314	if ( operatorLookup( nameExpr->get_name(), opInfo ) ) {
315	std::list< Expression* >::iterator arg = untypedExpr->get_args().begin();
316	switch ( opInfo.type ) {
317	case OT_INDEX:
318	assert( untypedExpr->get_args().size() == 2 );
319	(arg++)->accept( this );
320	output << "[";
321	(arg)->accept( this );
322	output << "]";
323	break;
324
325	case OT_CALL:
326	case OT_CTOR:
327	case OT_DTOR:
328	assert( false );
329	break;
330
331	case OT_PREFIX:
332	case OT_PREFIXASSIGN:
333	case OT_LABELADDRESS:
334	assert( untypedExpr->get_args().size() == 1 );
335	output << "(";
336	output << opInfo.symbol;
337	(arg)->accept( this );
338	output << ")";
339	break;
340
341	case OT_POSTFIX:
342	case OT_POSTFIXASSIGN:
343	assert( untypedExpr->get_args().size() == 1 );
344	(arg)->accept( this );
345	output << opInfo.symbol;
346	break;
347
348	case OT_INFIX:
349	case OT_INFIXASSIGN:
350	assert( untypedExpr->get_args().size() == 2 );
351	output << "(";
352	(arg++)->accept( this );
353	output << opInfo.symbol;
354	(arg)->accept( this );
355	output << ")";
356	break;
357
358	case OT_CONSTANT:
359	// there are no intrinsic definitions of 0 or 1 as functions
360	assert( false );
361	}
362	} else {
363	nameExpr->accept( *this );
364	output << "(";
365	genCommaList( untypedExpr->get_args().begin(), untypedExpr->get_args().end() );
366	output << ")";
367	} // if
368	} else {
369	untypedExpr->get_function()->accept( *this );
370	output << "(";
371	genCommaList( untypedExpr->get_args().begin(), untypedExpr->get_args().end() );
372	output << ")";
373	} // if
374	}
375
376	void CodeGenerator::visit( NameExpr *nameExpr ) {
377	OperatorInfo opInfo;
378	if ( operatorLookup( nameExpr->get_name(), opInfo ) ) {
379	assert( opInfo.type == OT_CONSTANT );
380	output << opInfo.symbol;
381	} else {
382	output << nameExpr->get_name();
383	} // if
384	}
385
386	void CodeGenerator::visit( AddressExpr *addressExpr ) {
387	output << "(&";
388	// this hack makes sure that we don't convert "constant_zero" to "0" if we're taking its address
389	if ( VariableExpr variableExpr = dynamic_cast< VariableExpr >( addressExpr->get_arg() ) ) {
390	output << mangleName( variableExpr->get_var() );
391	} else {
392	addressExpr->get_arg()->accept( *this );
393	} // if
394	output << ")";
395	}
396
397	void CodeGenerator::visit( CastExpr *castExpr ) {
398	// if the cast is to an lvalue type, then the cast
399	// should be dropped, since the result of a cast is
400	// never an lvalue in C
401	if ( castExpr->get_results().front()->get_isLvalue() ) {
402	castExpr->get_arg()->accept( *this );
403	} else {
404	output << "((";
405	if ( castExpr->get_results().empty() ) {
406	output << "void" ;
407	} else {
408	output << genType( castExpr->get_results().front(), "" );
409	} // if
410	output << ")";
411	castExpr->get_arg()->accept( *this );
412	output << ")";
413	}
414	}
415
416	void CodeGenerator::visit( UntypedMemberExpr *memberExpr ) {
417	assert( false );
418	}
419
420	void CodeGenerator::visit( MemberExpr *memberExpr ) {
421	memberExpr->get_aggregate()->accept( *this );
422	output << "." << mangleName( memberExpr->get_member() );
423	}
424
425	void CodeGenerator::visit( VariableExpr *variableExpr ) {
426	OperatorInfo opInfo;
427	if ( variableExpr->get_var()->get_linkage() == LinkageSpec::Intrinsic && operatorLookup( variableExpr->get_var()->get_name(), opInfo ) && opInfo.type == OT_CONSTANT ) {
428	output << opInfo.symbol;
429	} else {
430	output << mangleName( variableExpr->get_var() );
431	} // if
432	}
433
434	void CodeGenerator::visit( ConstantExpr *constantExpr ) {
435	assert( constantExpr->get_constant() );
436	constantExpr->get_constant()->accept( *this );
437	}
438
439	void CodeGenerator::visit( SizeofExpr *sizeofExpr ) {
440	output << "sizeof(";
441	if ( sizeofExpr->get_isType() ) {
442	output << genType( sizeofExpr->get_type(), "" );
443	} else {
444	sizeofExpr->get_expr()->accept( *this );
445	} // if
446	output << ")";
447	}
448
449	void CodeGenerator::visit( AlignofExpr *sizeofExpr ) {
450	// use GCC extension to avoid bumping std to C11
451	output << "__alignof__(";
452	if ( sizeofExpr->get_isType() ) {
453	output << genType( sizeofExpr->get_type(), "" );
454	} else {
455	sizeofExpr->get_expr()->accept( *this );
456	} // if
457	output << ")";
458	}
459
460	void CodeGenerator::visit( LogicalExpr *logicalExpr ) {
461	output << "(";
462	logicalExpr->get_arg1()->accept( *this );
463	if ( logicalExpr->get_isAnd() ) {
464	output << " && ";
465	} else {
466	output << " \|\| ";
467	} // if
468	logicalExpr->get_arg2()->accept( *this );
469	output << ")";
470	}
471
472	void CodeGenerator::visit( ConditionalExpr *conditionalExpr ) {
473	output << "(";
474	conditionalExpr->get_arg1()->accept( *this );
475	output << " ? ";
476	conditionalExpr->get_arg2()->accept( *this );
477	output << " : ";
478	conditionalExpr->get_arg3()->accept( *this );
479	output << ")";
480	}
481
482	void CodeGenerator::visit( CommaExpr *commaExpr ) {
483	output << "(";
484	commaExpr->get_arg1()->accept( *this );
485	output << " , ";
486	commaExpr->get_arg2()->accept( *this );
487	output << ")";
488	}
489
490	void CodeGenerator::visit( TupleExpr *tupleExpr ) {}
491
492	void CodeGenerator::visit( TypeExpr *typeExpr ) {}
493
494	void CodeGenerator::visit( AsmExpr *asmExpr ) {
495	if ( asmExpr->get_inout() ) {
496	output << "[ ";
497	asmExpr->get_inout()->accept( *this );
498	output << " ] ";
499	} // if
500	asmExpr->get_constraint()->accept( *this );
501	output << " ( ";
502	asmExpr->get_operand()->accept( *this );
503	output << " )";
504	}
505
506	//*** Statements
507	void CodeGenerator::visit( CompoundStmt *compoundStmt ) {
508	std::list<Statement*> ks = compoundStmt->get_kids();
509	output << "{" << endl;
510
511	cur_indent += CodeGenerator::tabsize;
512
513	for ( std::list<Statement *>::iterator i = ks.begin(); i != ks.end(); i++ ) {
514	output << indent << printLabels( (*i)->get_labels() );
515	(i)->accept( this );
516
517	output << endl;
518	if ( wantSpacing( *i ) ) {
519	output << endl;
520	}
521	}
522	cur_indent -= CodeGenerator::tabsize;
523
524	output << indent << "}";
525	}
526
527	void CodeGenerator::visit( ExprStmt *exprStmt ) {
528	// I don't see why this check is necessary.
529	// If this starts to cause problems then put it back in,
530	// with an explanation
531	assert( exprStmt );
532
533	// if ( exprStmt != 0 ) {
534	exprStmt->get_expr()->accept( *this );
535	output << ";" ;
536	// } // if
537	}
538
539	void CodeGenerator::visit( AsmStmt *asmStmt ) {
540	output << "asm ";
541	if ( asmStmt->get_voltile() ) output << "volatile ";
542	if ( ! asmStmt->get_gotolabels().empty() ) output << "goto ";
543	output << "( ";
544	if ( asmStmt->get_instruction() ) asmStmt->get_instruction()->accept( *this );
545	output << " : ";
546	genCommaList( asmStmt->get_output().begin(), asmStmt->get_output().end() );
547	output << " : ";
548	genCommaList( asmStmt->get_input().begin(), asmStmt->get_input().end() );
549	output << " : ";
550	genCommaList( asmStmt->get_clobber().begin(), asmStmt->get_clobber().end() );
551	if ( ! asmStmt->get_gotolabels().empty() ) {
552	output << " : ";
553	for ( std::list<Label>::iterator begin = asmStmt->get_gotolabels().begin();; ) {
554	output << *begin++;
555	if ( begin == asmStmt->get_gotolabels().end() ) break;
556	output << ", ";
557	} // for
558	} // if
559	output << " );" ;
560	}
561
562	void CodeGenerator::visit( IfStmt *ifStmt ) {
563	output << "if ( ";
564	ifStmt->get_condition()->accept( *this );
565	output << " ) ";
566
567	ifStmt->get_thenPart()->accept( *this );
568
569	if ( ifStmt->get_elsePart() != 0) {
570	output << " else ";
571	ifStmt->get_elsePart()->accept( *this );
572	} // if
573	}
574
575	void CodeGenerator::visit( SwitchStmt *switchStmt ) {
576	output << "switch ( " ;
577	switchStmt->get_condition()->accept( *this );
578	output << " ) ";
579
580	output << "{" << std::endl;
581	cur_indent += CodeGenerator::tabsize;
582
583	acceptAll( switchStmt->get_branches(), *this );
584
585	cur_indent -= CodeGenerator::tabsize;
586
587	output << indent << "}";
588	}
589
590	void CodeGenerator::visit( CaseStmt *caseStmt ) {
591	output << indent;
592	if ( caseStmt->isDefault()) {
593	output << "default";
594	} else {
595	output << "case ";
596	caseStmt->get_condition()->accept( *this );
597	} // if
598	output << ":\n";
599
600	std::list<Statement *> sts = caseStmt->get_statements();
601
602	cur_indent += CodeGenerator::tabsize;
603	for ( std::list<Statement *>::iterator i = sts.begin(); i != sts.end(); i++) {
604	output << indent << printLabels( (*i)->get_labels() ) ;
605	(i)->accept( this );
606	output << endl;
607	}
608	cur_indent -= CodeGenerator::tabsize;
609	}
610
611	void CodeGenerator::visit( BranchStmt *branchStmt ) {
612	switch ( branchStmt->get_type()) {
613	case BranchStmt::Goto:
614	if ( ! branchStmt->get_target().empty() )
615	output << "goto " << branchStmt->get_target();
616	else {
617	if ( branchStmt->get_computedTarget() != 0 ) {
618	output << "goto *";
619	branchStmt->get_computedTarget()->accept( *this );
620	} // if
621	} // if
622	break;
623	case BranchStmt::Break:
624	output << "break";
625	break;
626	case BranchStmt::Continue:
627	output << "continue";
628	break;
629	}
630	output << ";";
631	}
632
633
634	void CodeGenerator::visit( ReturnStmt *returnStmt ) {
635	output << "return ";
636
637	// xxx -- check for null expression;
638	if ( returnStmt->get_expr() ) {
639	returnStmt->get_expr()->accept( *this );
640	} // if
641	output << ";";
642	}
643
644	void CodeGenerator::visit( WhileStmt *whileStmt ) {
645	if ( whileStmt->get_isDoWhile() )
646	output << "do" ;
647	else {
648	output << "while (" ;
649	whileStmt->get_condition()->accept( *this );
650	output << ")";
651	} // if
652	output << " ";
653
654	output << CodeGenerator::printLabels( whileStmt->get_body()->get_labels() );
655	whileStmt->get_body()->accept( *this );
656
657	output << indent;
658
659	if ( whileStmt->get_isDoWhile() ) {
660	output << " while (" ;
661	whileStmt->get_condition()->accept( *this );
662	output << ");";
663	} // if
664	}
665
666	void CodeGenerator::visit( ForStmt *forStmt ) {
667	// initialization is always hoisted, so don't
668	// bother doing anything with that
669	output << "for (;";
670
671	if ( forStmt->get_condition() != 0 )
672	forStmt->get_condition()->accept( *this );
673	output << ";";
674
675	if ( forStmt->get_increment() != 0 )
676	forStmt->get_increment()->accept( *this );
677	output << ") ";
678
679	if ( forStmt->get_body() != 0 ) {
680	output << CodeGenerator::printLabels( forStmt->get_body()->get_labels() );
681	forStmt->get_body()->accept( *this );
682	} // if
683	}
684
685	void CodeGenerator::visit( NullStmt *nullStmt ) {
686	//output << indent << CodeGenerator::printLabels( nullStmt->get_labels() );
687	output << "/* null statement */ ;";
688	}
689
690	void CodeGenerator::visit( DeclStmt *declStmt ) {
691	declStmt->get_decl()->accept( *this );
692
693	if ( doSemicolon( declStmt->get_decl() ) ) {
694	output << ";";
695	} // if
696	}
697
698	std::string CodeGenerator::printLabels( std::list< Label > &l ) {
699	std::string str( "" );
700	l.unique(); // assumes a sorted list. Why not use set?
701
702	for ( std::list< Label >::iterator i = l.begin(); i != l.end(); i++ )
703	str += *i + ": ";
704
705	return str;
706	}
707
708	void CodeGenerator::handleStorageClass( Declaration *decl ) {
709	switch ( decl->get_storageClass() ) {
710	case DeclarationNode::Extern:
711	output << "extern ";
712	break;
713	case DeclarationNode::Static:
714	output << "static ";
715	break;
716	case DeclarationNode::Auto:
717	// silently drop storage class
718	break;
719	case DeclarationNode::Register:
720	output << "register ";
721	break;
722	case DeclarationNode::Inline:
723	output << "inline ";
724	break;
725	case DeclarationNode::Fortran:
726	output << "fortran ";
727	break;
728	case DeclarationNode::Noreturn:
729	output << "_Noreturn ";
730	break;
731	case DeclarationNode::Threadlocal:
732	output << "_Thread_local ";
733	break;
734	case DeclarationNode::NoStorageClass:
735	break;
736	} // switch
737	}
738	} // namespace CodeGen
739
740	// Local Variables: //
741	// tab-width: 4 //
742	// mode: c++ //
743	// compile-command: "make install" //
744	// End: //

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