source: src/Parser/DeclarationNode.cc@ 9a380e1a

ADT ast-experimental
Last change on this file since 9a380e1a was 692c1cc, checked in by Peter A. Buhr <pabuhr@…>, 3 years ago

update printing attributes, clean up anon flag setting, move attribute transparent_union from typedef to its union alias

  • Property mode set to 100644
File size: 42.7 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// DeclarationNode.cc --
8//
9// Author : Rodolfo G. Esteves
10// Created On : Sat May 16 12:34:05 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Thu Feb 16 14:12:03 2023
13// Update Count : 1388
14//
15
16#include <cassert> // for assert, assertf, strict_dynamic_cast
17#include <iterator> // for back_insert_iterator
18#include <list> // for list
19#include <memory> // for unique_ptr
20#include <ostream> // for operator<<, ostream, basic_ostream
21#include <string> // for string, operator+, allocator, char...
22
23#include "Common/SemanticError.h" // for SemanticError
24#include "Common/UniqueName.h" // for UniqueName
25#include "Common/utility.h" // for maybeClone, maybeBuild, CodeLocation
26#include "Parser/ParseNode.h" // for DeclarationNode, ExpressionNode
27#include "SynTree/LinkageSpec.h" // for Spec, linkageName, Cforall
28#include "SynTree/Attribute.h" // for Attribute
29#include "SynTree/Declaration.h" // for TypeDecl, ObjectDecl, InlineMemberDecl, Declaration
30#include "SynTree/Expression.h" // for Expression, ConstantExpr
31#include "SynTree/Statement.h" // for AsmStmt
32#include "SynTree/Type.h" // for Type, Type::StorageClasses, Type::...
33#include "TypeData.h" // for TypeData, TypeData::Aggregate_t
34#include "TypedefTable.h" // for TypedefTable
35
36class Initializer;
37
38extern TypedefTable typedefTable;
39
40using namespace std;
41
42// These must harmonize with the corresponding DeclarationNode enumerations.
43const char * DeclarationNode::basicTypeNames[] = { "void", "_Bool", "char", "int", "int128",
44 "float", "double", "long double", "float80", "float128",
45 "_float16", "_float32", "_float32x", "_float64", "_float64x", "_float128", "_float128x", "NoBasicTypeNames" };
46const char * DeclarationNode::complexTypeNames[] = { "_Complex", "NoComplexTypeNames", "_Imaginary" }; // Imaginary unsupported => parse, but make invisible and print error message
47const char * DeclarationNode::signednessNames[] = { "signed", "unsigned", "NoSignednessNames" };
48const char * DeclarationNode::lengthNames[] = { "short", "long", "long long", "NoLengthNames" };
49const char * DeclarationNode::builtinTypeNames[] = { "__builtin_va_list", "__auto_type", "zero_t", "one_t", "NoBuiltinTypeNames" };
50
51UniqueName DeclarationNode::anonymous( "__anonymous" );
52
53extern LinkageSpec::Spec linkage; // defined in parser.yy
54
55DeclarationNode::DeclarationNode() :
56 linkage( ::linkage ) {
57
58// variable.name = nullptr;
59 variable.tyClass = TypeDecl::NUMBER_OF_KINDS;
60 variable.assertions = nullptr;
61 variable.initializer = nullptr;
62
63// attr.name = nullptr;
64 attr.expr = nullptr;
65 attr.type = nullptr;
66
67 assert.condition = nullptr;
68 assert.message = nullptr;
69}
70
71DeclarationNode::~DeclarationNode() {
72// delete attr.name;
73 delete attr.expr;
74 delete attr.type;
75
76// delete variable.name;
77 delete variable.assertions;
78 delete variable.initializer;
79
80// delete type;
81 delete bitfieldWidth;
82
83 delete asmStmt;
84 // asmName, no delete, passed to next stage
85 delete initializer;
86
87 delete assert.condition;
88 delete assert.message;
89}
90
91DeclarationNode * DeclarationNode::clone() const {
92 DeclarationNode * newnode = new DeclarationNode;
93 newnode->set_next( maybeClone( get_next() ) );
94 newnode->name = name ? new string( *name ) : nullptr;
95
96 newnode->builtin = NoBuiltinType;
97 newnode->type = maybeClone( type );
98 newnode->inLine = inLine;
99 newnode->storageClasses = storageClasses;
100 newnode->funcSpecs = funcSpecs;
101 newnode->bitfieldWidth = maybeClone( bitfieldWidth );
102 newnode->enumeratorValue.reset( maybeClone( enumeratorValue.get() ) );
103 newnode->hasEllipsis = hasEllipsis;
104 newnode->linkage = linkage;
105 newnode->asmName = maybeClone( asmName );
106 cloneAll( attributes, newnode->attributes );
107 newnode->initializer = maybeClone( initializer );
108 newnode->extension = extension;
109 newnode->asmStmt = maybeClone( asmStmt );
110 newnode->error = error;
111
112// newnode->variable.name = variable.name ? new string( *variable.name ) : nullptr;
113 newnode->variable.tyClass = variable.tyClass;
114 newnode->variable.assertions = maybeClone( variable.assertions );
115 newnode->variable.initializer = maybeClone( variable.initializer );
116
117// newnode->attr.name = attr.name ? new string( *attr.name ) : nullptr;
118 newnode->attr.expr = maybeClone( attr.expr );
119 newnode->attr.type = maybeClone( attr.type );
120
121 newnode->assert.condition = maybeClone( assert.condition );
122 newnode->assert.message = maybeClone( assert.message );
123 return newnode;
124} // DeclarationNode::clone
125
126void DeclarationNode::print( std::ostream & os, int indent ) const {
127 os << string( indent, ' ' );
128 if ( name ) {
129 os << *name << ": ";
130 } // if
131
132 if ( linkage != LinkageSpec::Cforall ) {
133 os << LinkageSpec::name( linkage ) << " ";
134 } // if
135
136 storageClasses.print( os );
137 funcSpecs.print( os );
138
139 if ( type ) {
140 type->print( os, indent );
141 } else {
142 os << "untyped entity ";
143 } // if
144
145 if ( bitfieldWidth ) {
146 os << endl << string( indent + 2, ' ' ) << "with bitfield width ";
147 bitfieldWidth->printOneLine( os );
148 } // if
149
150 if ( initializer ) {
151 os << endl << string( indent + 2, ' ' ) << "with initializer ";
152 initializer->printOneLine( os );
153 os << " maybe constructed? " << initializer->get_maybeConstructed();
154 } // if
155
156 if ( ! attributes.empty() ) {
157 os << string( indent + 2, ' ' ) << "with attributes " << endl;
158 for ( Attribute * attr: reverseIterate( attributes ) ) {
159 os << string( indent + 4, ' ' ) << attr->name.c_str() << endl;
160 } // for
161 } // if
162
163 os << endl;
164}
165
166void DeclarationNode::printList( std::ostream & os, int indent ) const {
167 ParseNode::printList( os, indent );
168 if ( hasEllipsis ) {
169 os << string( indent, ' ' ) << "and a variable number of other arguments" << endl;
170 } // if
171}
172
173DeclarationNode * DeclarationNode::newStorageClass( Type::StorageClasses sc ) {
174 DeclarationNode * newnode = new DeclarationNode;
175 newnode->storageClasses = sc;
176 return newnode;
177} // DeclarationNode::newStorageClass
178
179DeclarationNode * DeclarationNode::newFuncSpecifier( Type::FuncSpecifiers fs ) {
180 DeclarationNode * newnode = new DeclarationNode;
181 newnode->funcSpecs = fs;
182 return newnode;
183} // DeclarationNode::newFuncSpecifier
184
185DeclarationNode * DeclarationNode::newTypeQualifier( Type::Qualifiers tq ) {
186 DeclarationNode * newnode = new DeclarationNode;
187 newnode->type = new TypeData();
188 newnode->type->qualifiers = tq;
189 return newnode;
190} // DeclarationNode::newQualifier
191
192DeclarationNode * DeclarationNode::newBasicType( BasicType bt ) {
193 DeclarationNode * newnode = new DeclarationNode;
194 newnode->type = new TypeData( TypeData::Basic );
195 newnode->type->basictype = bt;
196 return newnode;
197} // DeclarationNode::newBasicType
198
199DeclarationNode * DeclarationNode::newComplexType( ComplexType ct ) {
200 DeclarationNode * newnode = new DeclarationNode;
201 newnode->type = new TypeData( TypeData::Basic );
202 newnode->type->complextype = ct;
203 return newnode;
204} // DeclarationNode::newComplexType
205
206DeclarationNode * DeclarationNode::newSignedNess( Signedness sn ) {
207 DeclarationNode * newnode = new DeclarationNode;
208 newnode->type = new TypeData( TypeData::Basic );
209 newnode->type->signedness = sn;
210 return newnode;
211} // DeclarationNode::newSignedNess
212
213DeclarationNode * DeclarationNode::newLength( Length lnth ) {
214 DeclarationNode * newnode = new DeclarationNode;
215 newnode->type = new TypeData( TypeData::Basic );
216 newnode->type->length = lnth;
217 return newnode;
218} // DeclarationNode::newLength
219
220DeclarationNode * DeclarationNode::newForall( DeclarationNode * forall ) {
221 DeclarationNode * newnode = new DeclarationNode;
222 newnode->type = new TypeData( TypeData::Unknown );
223 newnode->type->forall = forall;
224 return newnode;
225} // DeclarationNode::newForall
226
227DeclarationNode * DeclarationNode::newFromGlobalScope() {
228 DeclarationNode * newnode = new DeclarationNode;
229 newnode->type = new TypeData( TypeData::GlobalScope );
230 return newnode;
231}
232
233DeclarationNode * DeclarationNode::newQualifiedType( DeclarationNode * parent, DeclarationNode * child) {
234 DeclarationNode * newnode = new DeclarationNode;
235 newnode->type = new TypeData( TypeData::Qualified );
236 newnode->type->qualified.parent = parent->type;
237 newnode->type->qualified.child = child->type;
238 parent->type = nullptr;
239 child->type = nullptr;
240 delete parent;
241 delete child;
242 return newnode;
243}
244
245DeclarationNode * DeclarationNode::newAggregate( AggregateDecl::Aggregate kind, const string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body ) {
246 DeclarationNode * newnode = new DeclarationNode;
247 newnode->type = new TypeData( TypeData::Aggregate );
248 newnode->type->aggregate.kind = kind;
249 newnode->type->aggregate.anon = name == nullptr;
250 newnode->type->aggregate.name = newnode->type->aggregate.anon ? new string( DeclarationNode::anonymous.newName() ) : name;
251 newnode->type->aggregate.actuals = actuals;
252 newnode->type->aggregate.fields = fields;
253 newnode->type->aggregate.body = body;
254 newnode->type->aggregate.tagged = false;
255 newnode->type->aggregate.parent = nullptr;
256 return newnode;
257} // DeclarationNode::newAggregate
258
259DeclarationNode * DeclarationNode::newEnum( const string * name, DeclarationNode * constants, bool body, bool typed, DeclarationNode * base, EnumHiding hiding ) {
260 DeclarationNode * newnode = new DeclarationNode;
261 newnode->type = new TypeData( TypeData::Enum );
262 newnode->type->enumeration.anon = name == nullptr;
263 newnode->type->enumeration.name = newnode->type->enumeration.anon ? new string( DeclarationNode::anonymous.newName() ) : name;
264 newnode->type->enumeration.constants = constants;
265 newnode->type->enumeration.body = body;
266 newnode->type->enumeration.typed = typed;
267 newnode->type->enumeration.hiding = hiding;
268 if ( base && base->type) {
269 newnode->type->base = base->type;
270 } // if
271
272 return newnode;
273} // DeclarationNode::newEnum
274
275
276
277DeclarationNode * DeclarationNode::newName( const string * name ) {
278 DeclarationNode * newnode = new DeclarationNode;
279 assert( ! newnode->name );
280 newnode->name = name;
281 return newnode;
282} // DeclarationNode::newName
283
284DeclarationNode * DeclarationNode::newEnumConstant( const string * name, ExpressionNode * constant ) {
285 DeclarationNode * newnode = newName( name );
286 newnode->enumeratorValue.reset( constant );
287 return newnode;
288} // DeclarationNode::newEnumConstant
289
290DeclarationNode * DeclarationNode::newEnumValueGeneric( const string * name, InitializerNode * init ) {
291 if ( init ) {
292 if ( init->get_expression() ) {
293 return newEnumConstant( name, init->get_expression() );
294 } else {
295 DeclarationNode * newnode = newName( name );
296 newnode->initializer = init;
297 return newnode;
298 } // if
299 } else {
300 return newName( name );
301 } // if
302} // DeclarationNode::newEnumValueGeneric
303
304DeclarationNode * DeclarationNode::newEnumInLine( const string name ) {
305 DeclarationNode * newnode = newName( new std::string(name) );
306 newnode->enumInLine = true;
307 return newnode;
308}
309
310DeclarationNode * DeclarationNode::newFromTypedef( const string * name ) {
311 DeclarationNode * newnode = new DeclarationNode;
312 newnode->type = new TypeData( TypeData::SymbolicInst );
313 newnode->type->symbolic.name = name;
314 newnode->type->symbolic.isTypedef = true;
315 newnode->type->symbolic.params = nullptr;
316 return newnode;
317} // DeclarationNode::newFromTypedef
318
319DeclarationNode * DeclarationNode::newFromTypeGen( const string * name, ExpressionNode * params ) {
320 DeclarationNode * newnode = new DeclarationNode;
321 newnode->type = new TypeData( TypeData::SymbolicInst );
322 newnode->type->symbolic.name = name;
323 newnode->type->symbolic.isTypedef = false;
324 newnode->type->symbolic.actuals = params;
325 return newnode;
326} // DeclarationNode::newFromTypeGen
327
328DeclarationNode * DeclarationNode::newTypeParam( TypeDecl::Kind tc, const string * name ) {
329 DeclarationNode * newnode = newName( name );
330 newnode->type = nullptr;
331 newnode->variable.tyClass = tc;
332 newnode->variable.assertions = nullptr;
333 return newnode;
334} // DeclarationNode::newTypeParam
335
336DeclarationNode * DeclarationNode::newTrait( const string * name, DeclarationNode * params, DeclarationNode * asserts ) {
337 DeclarationNode * newnode = new DeclarationNode;
338 newnode->type = new TypeData( TypeData::Aggregate );
339 newnode->type->aggregate.name = name;
340 newnode->type->aggregate.kind = AggregateDecl::Trait;
341 newnode->type->aggregate.params = params;
342 newnode->type->aggregate.fields = asserts;
343 return newnode;
344} // DeclarationNode::newTrait
345
346DeclarationNode * DeclarationNode::newTraitUse( const string * name, ExpressionNode * params ) {
347 DeclarationNode * newnode = new DeclarationNode;
348 newnode->type = new TypeData( TypeData::AggregateInst );
349 newnode->type->aggInst.aggregate = new TypeData( TypeData::Aggregate );
350 newnode->type->aggInst.aggregate->aggregate.kind = AggregateDecl::Trait;
351 newnode->type->aggInst.aggregate->aggregate.name = name;
352 newnode->type->aggInst.params = params;
353 return newnode;
354} // DeclarationNode::newTraitUse
355
356DeclarationNode * DeclarationNode::newTypeDecl( const string * name, DeclarationNode * typeParams ) {
357 DeclarationNode * newnode = newName( name );
358 newnode->type = new TypeData( TypeData::Symbolic );
359 newnode->type->symbolic.isTypedef = false;
360 newnode->type->symbolic.params = typeParams;
361 return newnode;
362} // DeclarationNode::newTypeDecl
363
364DeclarationNode * DeclarationNode::newPointer( DeclarationNode * qualifiers, OperKinds kind ) {
365 DeclarationNode * newnode = new DeclarationNode;
366 newnode->type = new TypeData( kind == OperKinds::PointTo ? TypeData::Pointer : TypeData::Reference );
367 if ( kind == OperKinds::And ) {
368 // T && is parsed as 'And' operator rather than two references => add a second reference type
369 TypeData * td = new TypeData( TypeData::Reference );
370 td->base = newnode->type;
371 newnode->type = td;
372 }
373 if ( qualifiers ) {
374 return newnode->addQualifiers( qualifiers );
375 } else {
376 return newnode;
377 } // if
378} // DeclarationNode::newPointer
379
380DeclarationNode * DeclarationNode::newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic ) {
381 DeclarationNode * newnode = new DeclarationNode;
382 newnode->type = new TypeData( TypeData::Array );
383 newnode->type->array.dimension = size;
384 newnode->type->array.isStatic = isStatic;
385 if ( newnode->type->array.dimension == nullptr || newnode->type->array.dimension->isExpressionType<ConstantExpr * >() ) {
386 newnode->type->array.isVarLen = false;
387 } else {
388 newnode->type->array.isVarLen = true;
389 } // if
390 return newnode->addQualifiers( qualifiers );
391} // DeclarationNode::newArray
392
393DeclarationNode * DeclarationNode::newVarArray( DeclarationNode * qualifiers ) {
394 DeclarationNode * newnode = new DeclarationNode;
395 newnode->type = new TypeData( TypeData::Array );
396 newnode->type->array.dimension = nullptr;
397 newnode->type->array.isStatic = false;
398 newnode->type->array.isVarLen = true;
399 return newnode->addQualifiers( qualifiers );
400}
401
402DeclarationNode * DeclarationNode::newBitfield( ExpressionNode * size ) {
403 DeclarationNode * newnode = new DeclarationNode;
404 newnode->bitfieldWidth = size;
405 return newnode;
406}
407
408DeclarationNode * DeclarationNode::newTuple( DeclarationNode * members ) {
409 DeclarationNode * newnode = new DeclarationNode;
410 newnode->type = new TypeData( TypeData::Tuple );
411 newnode->type->tuple = members;
412 return newnode;
413}
414
415DeclarationNode * DeclarationNode::newTypeof( ExpressionNode * expr, bool basetypeof ) {
416 DeclarationNode * newnode = new DeclarationNode;
417 newnode->type = new TypeData( basetypeof ? TypeData::Basetypeof : TypeData::Typeof );
418 newnode->type->typeexpr = expr;
419 return newnode;
420}
421
422DeclarationNode * DeclarationNode::newVtableType( DeclarationNode * decl ) {
423 DeclarationNode * newnode = new DeclarationNode;
424 newnode->type = new TypeData( TypeData::Vtable );
425 newnode->setBase( decl->type );
426 return newnode;
427}
428
429DeclarationNode * DeclarationNode::newBuiltinType( BuiltinType bt ) {
430 DeclarationNode * newnode = new DeclarationNode;
431 newnode->type = new TypeData( TypeData::Builtin );
432 newnode->builtin = bt;
433 newnode->type->builtintype = newnode->builtin;
434 return newnode;
435} // DeclarationNode::newBuiltinType
436
437DeclarationNode * DeclarationNode::newFunction( const string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body ) {
438 DeclarationNode * newnode = newName( name );
439 newnode->type = new TypeData( TypeData::Function );
440 newnode->type->function.params = param;
441 newnode->type->function.body = body;
442
443 if ( ret ) {
444 newnode->type->base = ret->type;
445 ret->type = nullptr;
446 delete ret;
447 } // if
448
449 return newnode;
450} // DeclarationNode::newFunction
451
452DeclarationNode * DeclarationNode::newAttribute( const string * name, ExpressionNode * expr ) {
453 DeclarationNode * newnode = new DeclarationNode;
454 newnode->type = nullptr;
455 std::list< Expression * > exprs;
456 buildList( expr, exprs );
457 newnode->attributes.push_back( new Attribute( *name, exprs ) );
458 delete name;
459 return newnode;
460}
461
462DeclarationNode * DeclarationNode::newDirectiveStmt( StatementNode * stmt ) {
463 DeclarationNode * newnode = new DeclarationNode;
464 newnode->directiveStmt = stmt;
465 return newnode;
466}
467
468DeclarationNode * DeclarationNode::newAsmStmt( StatementNode * stmt ) {
469 DeclarationNode * newnode = new DeclarationNode;
470 newnode->asmStmt = stmt;
471 return newnode;
472}
473
474DeclarationNode * DeclarationNode::newStaticAssert( ExpressionNode * condition, Expression * message ) {
475 DeclarationNode * newnode = new DeclarationNode;
476 newnode->assert.condition = condition;
477 newnode->assert.message = message;
478 return newnode;
479}
480
481
482void appendError( string & dst, const string & src ) {
483 if ( src.empty() ) return;
484 if ( dst.empty() ) { dst = src; return; }
485 dst += ", " + src;
486} // appendError
487
488void DeclarationNode::checkQualifiers( const TypeData * src, const TypeData * dst ) {
489 const Type::Qualifiers qsrc = src->qualifiers, qdst = dst->qualifiers; // optimization
490
491 if ( (qsrc & qdst).any() ) { // duplicates ?
492 for ( unsigned int i = 0; i < Type::NumTypeQualifier; i += 1 ) { // find duplicates
493 if ( qsrc[i] && qdst[i] ) {
494 appendError( error, string( "duplicate " ) + Type::QualifiersNames[i] );
495 } // if
496 } // for
497 } // for
498} // DeclarationNode::checkQualifiers
499
500void DeclarationNode::checkSpecifiers( DeclarationNode * src ) {
501 if ( (funcSpecs & src->funcSpecs).any() ) { // duplicates ?
502 for ( unsigned int i = 0; i < Type::NumFuncSpecifier; i += 1 ) { // find duplicates
503 if ( funcSpecs[i] && src->funcSpecs[i] ) {
504 appendError( error, string( "duplicate " ) + Type::FuncSpecifiersNames[i] );
505 } // if
506 } // for
507 } // if
508
509 if ( storageClasses.any() && src->storageClasses.any() ) { // any reason to check ?
510 if ( (storageClasses & src->storageClasses ).any() ) { // duplicates ?
511 for ( unsigned int i = 0; i < Type::NumStorageClass; i += 1 ) { // find duplicates
512 if ( storageClasses[i] && src->storageClasses[i] ) {
513 appendError( error, string( "duplicate " ) + Type::StorageClassesNames[i] );
514 } // if
515 } // for
516 // src is the new item being added and has a single bit
517 } else if ( ! src->storageClasses.is_threadlocal_any() ) { // conflict ?
518 appendError( error, string( "conflicting " ) + Type::StorageClassesNames[storageClasses.ffs()] +
519 " & " + Type::StorageClassesNames[src->storageClasses.ffs()] );
520 src->storageClasses.reset(); // FIX to preserve invariant of one basic storage specifier
521 } // if
522 } // if
523
524 appendError( error, src->error );
525} // DeclarationNode::checkSpecifiers
526
527DeclarationNode * DeclarationNode::copySpecifiers( DeclarationNode * q ) {
528 funcSpecs |= q->funcSpecs;
529 storageClasses |= q->storageClasses;
530
531 for ( Attribute * attr: reverseIterate( q->attributes ) ) {
532 attributes.push_front( attr->clone() );
533 } // for
534 return this;
535} // DeclarationNode::copySpecifiers
536
537static void addQualifiersToType( TypeData *& src, TypeData * dst ) {
538 if ( dst->base ) {
539 addQualifiersToType( src, dst->base );
540 } else if ( dst->kind == TypeData::Function ) {
541 dst->base = src;
542 src = nullptr;
543 } else {
544 dst->qualifiers |= src->qualifiers;
545 } // if
546} // addQualifiersToType
547
548DeclarationNode * DeclarationNode::addQualifiers( DeclarationNode * q ) {
549 if ( ! q ) { return this; } // empty qualifier
550
551 checkSpecifiers( q );
552 copySpecifiers( q );
553
554 if ( ! q->type ) { delete q; return this; }
555
556 if ( ! type ) {
557 type = q->type; // reuse structure
558 q->type = nullptr;
559 delete q;
560 return this;
561 } // if
562
563 if ( q->type->forall ) { // forall qualifier ?
564 if ( type->forall ) { // polymorphic routine ?
565 type->forall->appendList( q->type->forall ); // augment forall qualifier
566 } else {
567 if ( type->kind == TypeData::Aggregate ) { // struct/union ?
568 if ( type->aggregate.params ) { // polymorphic ?
569 type->aggregate.params->appendList( q->type->forall ); // augment forall qualifier
570 } else { // not polymorphic
571 type->aggregate.params = q->type->forall; // set forall qualifier
572 } // if
573 } else { // not polymorphic
574 type->forall = q->type->forall; // make polymorphic routine
575 } // if
576 } // if
577 q->type->forall = nullptr; // forall qualifier moved
578 } // if
579
580 checkQualifiers( type, q->type );
581 if ( (builtin == Zero || builtin == One) && q->type->qualifiers.val != 0 && error.length() == 0 ) {
582 SemanticWarning( yylloc, Warning::BadQualifiersZeroOne, Type::QualifiersNames[ilog2( q->type->qualifiers.val )], builtinTypeNames[builtin] );
583 } // if
584 addQualifiersToType( q->type, type );
585
586 delete q;
587 return this;
588} // addQualifiers
589
590static void addTypeToType( TypeData *& src, TypeData *& dst ) {
591 if ( src->forall && dst->kind == TypeData::Function ) {
592 if ( dst->forall ) {
593 dst->forall->appendList( src->forall );
594 } else {
595 dst->forall = src->forall;
596 } // if
597 src->forall = nullptr;
598 } // if
599 if ( dst->base ) {
600 addTypeToType( src, dst->base );
601 } else {
602 switch ( dst->kind ) {
603 case TypeData::Unknown:
604 src->qualifiers |= dst->qualifiers;
605 dst = src;
606 src = nullptr;
607 break;
608 case TypeData::Basic:
609 dst->qualifiers |= src->qualifiers;
610 if ( src->kind != TypeData::Unknown ) {
611 assert( src->kind == TypeData::Basic );
612
613 if ( dst->basictype == DeclarationNode::NoBasicType ) {
614 dst->basictype = src->basictype;
615 } else if ( src->basictype != DeclarationNode::NoBasicType )
616 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::basicTypeNames[ src->basictype ] + " in type: " );
617
618 if ( dst->complextype == DeclarationNode::NoComplexType ) {
619 dst->complextype = src->complextype;
620 } else if ( src->complextype != DeclarationNode::NoComplexType )
621 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::complexTypeNames[ src->complextype ] + " in type: " );
622
623 if ( dst->signedness == DeclarationNode::NoSignedness ) {
624 dst->signedness = src->signedness;
625 } else if ( src->signedness != DeclarationNode::NoSignedness )
626 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::signednessNames[ src->signedness ] + " in type: " );
627
628 if ( dst->length == DeclarationNode::NoLength ) {
629 dst->length = src->length;
630 } else if ( dst->length == DeclarationNode::Long && src->length == DeclarationNode::Long ) {
631 dst->length = DeclarationNode::LongLong;
632 } else if ( src->length != DeclarationNode::NoLength )
633 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::lengthNames[ src->length ] + " in type: " );
634 } // if
635 break;
636 default:
637 switch ( src->kind ) {
638 case TypeData::Aggregate:
639 case TypeData::Enum:
640 dst->base = new TypeData( TypeData::AggregateInst );
641 dst->base->aggInst.aggregate = src;
642 if ( src->kind == TypeData::Aggregate ) {
643 dst->base->aggInst.params = maybeClone( src->aggregate.actuals );
644 } // if
645 dst->base->qualifiers |= src->qualifiers;
646 src = nullptr;
647 break;
648 default:
649 if ( dst->forall ) {
650 dst->forall->appendList( src->forall );
651 } else {
652 dst->forall = src->forall;
653 } // if
654 src->forall = nullptr;
655 dst->base = src;
656 src = nullptr;
657 } // switch
658 } // switch
659 } // if
660}
661
662DeclarationNode * DeclarationNode::addType( DeclarationNode * o ) {
663 if ( o ) {
664 checkSpecifiers( o );
665 copySpecifiers( o );
666 if ( o->type ) {
667 if ( ! type ) {
668 if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) {
669 type = new TypeData( TypeData::AggregateInst );
670 type->aggInst.aggregate = o->type;
671 if ( o->type->kind == TypeData::Aggregate ) {
672 type->aggInst.hoistType = o->type->aggregate.body;
673 type->aggInst.params = maybeClone( o->type->aggregate.actuals );
674 } else {
675 type->aggInst.hoistType = o->type->enumeration.body;
676 } // if
677 type->qualifiers |= o->type->qualifiers;
678 } else {
679 type = o->type;
680 } // if
681 o->type = nullptr;
682 } else {
683 addTypeToType( o->type, type );
684 } // if
685 } // if
686 if ( o->bitfieldWidth ) {
687 bitfieldWidth = o->bitfieldWidth;
688 } // if
689
690 // there may be typedefs chained onto the type
691 if ( o->get_next() ) {
692 set_last( o->get_next()->clone() );
693 } // if
694 } // if
695 delete o;
696
697 return this;
698}
699
700DeclarationNode * DeclarationNode::addEnumBase( DeclarationNode * o ) {
701 if ( o && o -> type) {
702 type->base= o->type;
703 }
704 delete o;
705 return this;
706}
707
708DeclarationNode * DeclarationNode::addTypedef() {
709 TypeData * newtype = new TypeData( TypeData::Symbolic );
710 newtype->symbolic.params = nullptr;
711 newtype->symbolic.isTypedef = true;
712 newtype->symbolic.name = name ? new string( *name ) : nullptr;
713 newtype->base = type;
714 type = newtype;
715 return this;
716}
717
718DeclarationNode * DeclarationNode::addAssertions( DeclarationNode * assertions ) {
719 if ( variable.tyClass != TypeDecl::NUMBER_OF_KINDS ) {
720 if ( variable.assertions ) {
721 variable.assertions->appendList( assertions );
722 } else {
723 variable.assertions = assertions;
724 } // if
725 return this;
726 } // if
727
728 assert( type );
729 switch ( type->kind ) {
730 case TypeData::Symbolic:
731 if ( type->symbolic.assertions ) {
732 type->symbolic.assertions->appendList( assertions );
733 } else {
734 type->symbolic.assertions = assertions;
735 } // if
736 break;
737 default:
738 assert( false );
739 } // switch
740
741 return this;
742}
743
744DeclarationNode * DeclarationNode::addName( string * newname ) {
745 assert( ! name );
746 name = newname;
747 return this;
748}
749
750DeclarationNode * DeclarationNode::addAsmName( DeclarationNode * newname ) {
751 assert( ! asmName );
752 asmName = newname ? newname->asmName : nullptr;
753 return this->addQualifiers( newname );
754}
755
756DeclarationNode * DeclarationNode::addBitfield( ExpressionNode * size ) {
757 bitfieldWidth = size;
758 return this;
759}
760
761DeclarationNode * DeclarationNode::addVarArgs() {
762 assert( type );
763 hasEllipsis = true;
764 return this;
765}
766
767DeclarationNode * DeclarationNode::addFunctionBody( StatementNode * body, ExpressionNode * withExprs ) {
768 assert( type );
769 assert( type->kind == TypeData::Function );
770 assert( ! type->function.body );
771 type->function.body = body;
772 type->function.withExprs = withExprs;
773 return this;
774}
775
776DeclarationNode * DeclarationNode::addOldDeclList( DeclarationNode * list ) {
777 assert( type );
778 assert( type->kind == TypeData::Function );
779 assert( ! type->function.oldDeclList );
780 type->function.oldDeclList = list;
781 return this;
782}
783
784DeclarationNode * DeclarationNode::setBase( TypeData * newType ) {
785 if ( type ) {
786 TypeData * prevBase = type;
787 TypeData * curBase = type->base;
788 while ( curBase != nullptr ) {
789 prevBase = curBase;
790 curBase = curBase->base;
791 } // while
792 prevBase->base = newType;
793 } else {
794 type = newType;
795 } // if
796 return this;
797}
798
799DeclarationNode * DeclarationNode::copyAttribute( DeclarationNode * a ) {
800 if ( a ) {
801 for ( Attribute *attr: reverseIterate( a->attributes ) ) {
802 attributes.push_front( attr );
803 } // for
804 a->attributes.clear();
805 } // if
806 return this;
807} // copyAttribute
808
809DeclarationNode * DeclarationNode::addPointer( DeclarationNode * p ) {
810 if ( p ) {
811 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
812 setBase( p->type );
813 p->type = nullptr;
814 copyAttribute( p );
815 delete p;
816 } // if
817 return this;
818}
819
820DeclarationNode * DeclarationNode::addArray( DeclarationNode * a ) {
821 if ( a ) {
822 assert( a->type->kind == TypeData::Array );
823 setBase( a->type );
824 a->type = nullptr;
825 copyAttribute( a );
826 delete a;
827 } // if
828 return this;
829}
830
831DeclarationNode * DeclarationNode::addNewPointer( DeclarationNode * p ) {
832 if ( p ) {
833 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
834 if ( type ) {
835 switch ( type->kind ) {
836 case TypeData::Aggregate:
837 case TypeData::Enum:
838 p->type->base = new TypeData( TypeData::AggregateInst );
839 p->type->base->aggInst.aggregate = type;
840 if ( type->kind == TypeData::Aggregate ) {
841 p->type->base->aggInst.params = maybeClone( type->aggregate.actuals );
842 } // if
843 p->type->base->qualifiers |= type->qualifiers;
844 break;
845
846 default:
847 p->type->base = type;
848 } // switch
849 type = nullptr;
850 } // if
851 delete this;
852 return p;
853 } else {
854 return this;
855 } // if
856}
857
858static TypeData * findLast( TypeData * a ) {
859 assert( a );
860 TypeData * cur = a;
861 while ( cur->base ) {
862 cur = cur->base;
863 } // while
864 return cur;
865}
866
867DeclarationNode * DeclarationNode::addNewArray( DeclarationNode * a ) {
868 if ( ! a ) return this;
869 assert( a->type->kind == TypeData::Array );
870 TypeData * lastArray = findLast( a->type );
871 if ( type ) {
872 switch ( type->kind ) {
873 case TypeData::Aggregate:
874 case TypeData::Enum:
875 lastArray->base = new TypeData( TypeData::AggregateInst );
876 lastArray->base->aggInst.aggregate = type;
877 if ( type->kind == TypeData::Aggregate ) {
878 lastArray->base->aggInst.params = maybeClone( type->aggregate.actuals );
879 } // if
880 lastArray->base->qualifiers |= type->qualifiers;
881 break;
882 default:
883 lastArray->base = type;
884 } // switch
885 type = nullptr;
886 } // if
887 delete this;
888 return a;
889}
890
891DeclarationNode * DeclarationNode::addParamList( DeclarationNode * params ) {
892 TypeData * ftype = new TypeData( TypeData::Function );
893 ftype->function.params = params;
894 setBase( ftype );
895 return this;
896}
897
898static TypeData * addIdListToType( TypeData * type, DeclarationNode * ids ) {
899 if ( type ) {
900 if ( type->kind != TypeData::Function ) {
901 type->base = addIdListToType( type->base, ids );
902 } else {
903 type->function.idList = ids;
904 } // if
905 return type;
906 } else {
907 TypeData * newtype = new TypeData( TypeData::Function );
908 newtype->function.idList = ids;
909 return newtype;
910 } // if
911} // addIdListToType
912
913DeclarationNode * DeclarationNode::addIdList( DeclarationNode * ids ) {
914 type = addIdListToType( type, ids );
915 return this;
916}
917
918DeclarationNode * DeclarationNode::addInitializer( InitializerNode * init ) {
919 initializer = init;
920 return this;
921}
922
923DeclarationNode * DeclarationNode::addTypeInitializer( DeclarationNode * init ) {
924 assertf( variable.tyClass != TypeDecl::NUMBER_OF_KINDS, "Called addTypeInitializer on something that isn't a type variable." );
925 variable.initializer = init;
926 return this;
927}
928
929DeclarationNode * DeclarationNode::cloneType( string * name ) {
930 DeclarationNode * newnode = newName( name );
931 newnode->type = maybeClone( type );
932 newnode->copySpecifiers( this );
933 return newnode;
934}
935
936DeclarationNode * DeclarationNode::cloneBaseType( DeclarationNode * o ) {
937 if ( ! o ) return nullptr;
938
939 o->copySpecifiers( this );
940 if ( type ) {
941 TypeData * srcType = type;
942
943 // search for the base type by scanning off pointers and array designators
944 while ( srcType->base ) {
945 srcType = srcType->base;
946 } // while
947
948 TypeData * newType = srcType->clone();
949 if ( newType->kind == TypeData::AggregateInst ) {
950 // don't duplicate members
951 if ( newType->aggInst.aggregate->kind == TypeData::Enum ) {
952 delete newType->aggInst.aggregate->enumeration.constants;
953 newType->aggInst.aggregate->enumeration.constants = nullptr;
954 newType->aggInst.aggregate->enumeration.body = false;
955 } else {
956 assert( newType->aggInst.aggregate->kind == TypeData::Aggregate );
957 delete newType->aggInst.aggregate->aggregate.fields;
958 newType->aggInst.aggregate->aggregate.fields = nullptr;
959 newType->aggInst.aggregate->aggregate.body = false;
960 } // if
961 // don't hoist twice
962 newType->aggInst.hoistType = false;
963 } // if
964
965 newType->forall = maybeClone( type->forall );
966 if ( ! o->type ) {
967 o->type = newType;
968 } else {
969 addTypeToType( newType, o->type );
970 delete newType;
971 } // if
972 } // if
973 return o;
974}
975
976DeclarationNode * DeclarationNode::extractAggregate() const {
977 if ( type ) {
978 TypeData * ret = typeextractAggregate( type );
979 if ( ret ) {
980 DeclarationNode * newnode = new DeclarationNode;
981 newnode->type = ret;
982 return newnode;
983 } // if
984 } // if
985 return nullptr;
986}
987
988void buildList( const DeclarationNode * firstNode, std::list< Declaration * > & outputList ) {
989 SemanticErrorException errors;
990 std::back_insert_iterator< std::list< Declaration * > > out( outputList );
991
992 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
993 try {
994 bool extracted = false, anon = false;
995 AggregateDecl * unionDecl = nullptr;
996
997 if ( DeclarationNode * extr = cur->extractAggregate() ) {
998 // handle the case where a structure declaration is contained within an object or type declaration
999
1000 Declaration * decl = extr->build();
1001 if ( decl ) {
1002 // Remember the declaration if it is a union aggregate ?
1003 unionDecl = dynamic_cast<UnionDecl *>( decl );
1004
1005 decl->location = cur->location;
1006 *out++ = decl;
1007
1008 // need to remember the cases where a declaration contains an anonymous aggregate definition
1009 extracted = true;
1010 assert( extr->type );
1011 if ( extr->type->kind == TypeData::Aggregate ) {
1012 // typedef struct { int A } B is the only case?
1013 anon = extr->type->aggregate.anon;
1014 } else if ( extr->type->kind == TypeData::Enum ) {
1015 // typedef enum { A } B is the only case?
1016 anon = extr->type->enumeration.anon;
1017 }
1018 } // if
1019 delete extr;
1020 } // if
1021
1022 Declaration * decl = cur->build();
1023 if ( decl ) {
1024 if ( TypedefDecl * typedefDecl = dynamic_cast<TypedefDecl *>( decl ) ) {
1025 if ( unionDecl ) { // is the typedef alias a union aggregate ?
1026 // This code handles a special issue with the attribute transparent_union.
1027 //
1028 // typedef union U { int i; } typedef_name __attribute__(( aligned(16) )) __attribute__(( transparent_union ))
1029 //
1030 // Here the attribute aligned goes with the typedef_name, so variables declared of this type are
1031 // aligned. However, the attribute transparent_union must be moved from the typedef_name to
1032 // alias union U. Currently, this is the only know attribute that must be moved from typedef to
1033 // alias.
1034
1035 // If typedef is an alias for a union, then its alias type was hoisted above and remembered.
1036 if ( UnionInstType * unionInstType = dynamic_cast<UnionInstType *>( typedefDecl->base ) ) {
1037 // Remove all transparent_union attributes from typedef and move to alias union.
1038 list<Attribute *>::iterator attr;
1039 for ( attr = unionInstType->attributes.begin(); attr != unionInstType->attributes.end(); ) { // forward order
1040 if ( (*attr)->name == "transparent_union" || (*attr)->name == "__transparent_union__" ) {
1041 list<Attribute *>::iterator cur = attr; // remember current node
1042 attr++; // advance iterator
1043 unionDecl->attributes.emplace_back( *cur ); // move current
1044 unionInstType->attributes.erase( cur ); // remove current
1045 } else {
1046 attr++; // advance iterator
1047 } // if
1048 } // for
1049 } // if
1050 } // if
1051 } // if
1052
1053 // don't include anonymous declaration for named aggregates, but do include them for anonymous aggregates, e.g.:
1054 // struct S {
1055 // struct T { int x; }; // no anonymous member
1056 // struct { int y; }; // anonymous member
1057 // struct T; // anonymous member
1058 // };
1059 if ( ! (extracted && decl->name == "" && ! anon && ! cur->get_inLine()) ) {
1060 if ( decl->name == "" ) {
1061 if ( DeclarationWithType * dwt = dynamic_cast<DeclarationWithType *>( decl ) ) {
1062 if ( ReferenceToType * aggr = dynamic_cast<ReferenceToType *>( dwt->get_type() ) ) {
1063 if ( aggr->name.find("anonymous") == std::string::npos ) {
1064 if ( ! cur->get_inLine() ) {
1065 // temporary: warn about anonymous member declarations of named types, since
1066 // this conflicts with the syntax for the forward declaration of an anonymous type
1067 SemanticWarning( cur->location, Warning::AggrForwardDecl, aggr->name.c_str() );
1068 } // if
1069 } // if
1070 } // if
1071 } // if
1072 } // if
1073 decl->location = cur->location;
1074 *out++ = decl;
1075 } // if
1076 } // if
1077 } catch( SemanticErrorException & e ) {
1078 errors.append( e );
1079 } // try
1080 } // for
1081
1082 if ( ! errors.isEmpty() ) {
1083 throw errors;
1084 } // if
1085} // buildList
1086
1087// currently only builds assertions, function parameters, and return values
1088void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > & outputList ) {
1089 SemanticErrorException errors;
1090 std::back_insert_iterator< std::list< DeclarationWithType * > > out( outputList );
1091
1092 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
1093 try {
1094 Declaration * decl = cur->build();
1095 assert( decl );
1096 if ( DeclarationWithType * dwt = dynamic_cast< DeclarationWithType * >( decl ) ) {
1097 dwt->location = cur->location;
1098 *out++ = dwt;
1099 } else if ( StructDecl * agg = dynamic_cast< StructDecl * >( decl ) ) {
1100 // e.g., int foo(struct S) {}
1101 StructInstType * inst = new StructInstType( Type::Qualifiers(), agg->name );
1102 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1103 obj->location = cur->location;
1104 *out++ = obj;
1105 delete agg;
1106 } else if ( UnionDecl * agg = dynamic_cast< UnionDecl * >( decl ) ) {
1107 // e.g., int foo(union U) {}
1108 UnionInstType * inst = new UnionInstType( Type::Qualifiers(), agg->name );
1109 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1110 obj->location = cur->location;
1111 *out++ = obj;
1112 } else if ( EnumDecl * agg = dynamic_cast< EnumDecl * >( decl ) ) {
1113 // e.g., int foo(enum E) {}
1114 EnumInstType * inst = new EnumInstType( Type::Qualifiers(), agg->name );
1115 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1116 obj->location = cur->location;
1117 *out++ = obj;
1118 } // if
1119 } catch( SemanticErrorException & e ) {
1120 errors.append( e );
1121 } // try
1122 } // for
1123
1124 if ( ! errors.isEmpty() ) {
1125 throw errors;
1126 } // if
1127} // buildList
1128
1129void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > & outputList ) {
1130 SemanticErrorException errors;
1131 std::back_insert_iterator< std::list< Type * > > out( outputList );
1132 const DeclarationNode * cur = firstNode;
1133
1134 while ( cur ) {
1135 try {
1136 * out++ = cur->buildType();
1137 } catch( SemanticErrorException & e ) {
1138 errors.append( e );
1139 } // try
1140 cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
1141 } // while
1142
1143 if ( ! errors.isEmpty() ) {
1144 throw errors;
1145 } // if
1146} // buildTypeList
1147
1148Declaration * DeclarationNode::build() const {
1149 if ( ! error.empty() ) SemanticError( this, error + " in declaration of " );
1150
1151 if ( asmStmt ) {
1152 return new AsmDecl( strict_dynamic_cast<AsmStmt *>( asmStmt->build() ) );
1153 } // if
1154 if ( directiveStmt ) {
1155 return new DirectiveDecl( strict_dynamic_cast<DirectiveStmt *>( directiveStmt->build() ) );
1156 } // if
1157
1158 if ( variable.tyClass != TypeDecl::NUMBER_OF_KINDS ) {
1159 // otype is internally converted to dtype + otype parameters
1160 static const TypeDecl::Kind kindMap[] = { TypeDecl::Dtype, TypeDecl::Dtype, TypeDecl::Dtype, TypeDecl::Ftype, TypeDecl::Ttype, TypeDecl::Dimension };
1161 static_assert( sizeof(kindMap) / sizeof(kindMap[0]) == TypeDecl::NUMBER_OF_KINDS, "DeclarationNode::build: kindMap is out of sync." );
1162 assertf( variable.tyClass < sizeof(kindMap)/sizeof(kindMap[0]), "Variable's tyClass is out of bounds." );
1163 TypeDecl * ret = new TypeDecl( *name, Type::StorageClasses(), nullptr, kindMap[ variable.tyClass ], variable.tyClass == TypeDecl::Otype || variable.tyClass == TypeDecl::DStype, variable.initializer ? variable.initializer->buildType() : nullptr );
1164 buildList( variable.assertions, ret->get_assertions() );
1165 return ret;
1166 } // if
1167
1168 if ( type ) {
1169 // Function specifiers can only appear on a function definition/declaration.
1170 //
1171 // inline _Noreturn int f(); // allowed
1172 // inline _Noreturn int g( int i ); // allowed
1173 // inline _Noreturn int i; // disallowed
1174 if ( type->kind != TypeData::Function && funcSpecs.any() ) {
1175 SemanticError( this, "invalid function specifier for " );
1176 } // if
1177 // Forall qualifier can only appear on a function/aggregate definition/declaration.
1178 //
1179 // forall int f(); // allowed
1180 // forall int g( int i ); // allowed
1181 // forall int i; // disallowed
1182 if ( type->kind != TypeData::Function && type->forall ) {
1183 SemanticError( this, "invalid type qualifier for " );
1184 } // if
1185 bool isDelete = initializer && initializer->get_isDelete();
1186 Declaration * decl = buildDecl( type, name ? *name : string( "" ), storageClasses, maybeBuild< Expression >( bitfieldWidth ), funcSpecs, linkage, asmName, isDelete ? nullptr : maybeBuild< Initializer >(initializer), attributes )->set_extension( extension );
1187 if ( isDelete ) {
1188 DeclarationWithType * dwt = strict_dynamic_cast<DeclarationWithType *>( decl );
1189 dwt->isDeleted = true;
1190 }
1191 return decl;
1192 } // if
1193
1194 if ( assert.condition ) {
1195 return new StaticAssertDecl( maybeBuild< Expression >( assert.condition ), strict_dynamic_cast< ConstantExpr * >( maybeClone( assert.message ) ) );
1196 }
1197
1198 // SUE's cannot have function specifiers, either
1199 //
1200 // inline _Noreturn struct S { ... }; // disallowed
1201 // inline _Noreturn enum E { ... }; // disallowed
1202 if ( funcSpecs.any() ) {
1203 SemanticError( this, "invalid function specifier for " );
1204 } // if
1205 if ( enumInLine ) {
1206 return new InlineMemberDecl( *name, storageClasses, linkage, nullptr );
1207 } // if
1208 assertf( name, "ObjectDecl must a have name\n" );
1209 return (new ObjectDecl( *name, storageClasses, linkage, maybeBuild< Expression >( bitfieldWidth ), nullptr, maybeBuild< Initializer >( initializer ) ))->set_asmName( asmName )->set_extension( extension );
1210}
1211
1212Type * DeclarationNode::buildType() const {
1213 assert( type );
1214
1215 if ( attr.expr ) {
1216 return new AttrType( buildQualifiers( type ), *name, attr.expr->build(), attributes );
1217 } else if ( attr.type ) {
1218 return new AttrType( buildQualifiers( type ), *name, attr.type->buildType(), attributes );
1219 } // if
1220
1221 switch ( type->kind ) {
1222 case TypeData::Enum:
1223 case TypeData::Aggregate: {
1224 ReferenceToType * ret = buildComAggInst( type, attributes, linkage );
1225 buildList( type->aggregate.actuals, ret->get_parameters() );
1226 return ret;
1227 }
1228 case TypeData::Symbolic: {
1229 TypeInstType * ret = new TypeInstType( buildQualifiers( type ), *type->symbolic.name, false, attributes );
1230 buildList( type->symbolic.actuals, ret->get_parameters() );
1231 return ret;
1232 }
1233 default:
1234 Type * simpletypes = typebuild( type );
1235 simpletypes->get_attributes() = attributes; // copy because member is const
1236 return simpletypes;
1237 } // switch
1238}
1239
1240// Local Variables: //
1241// tab-width: 4 //
1242// mode: c++ //
1243// compile-command: "make install" //
1244// End: //
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