source: src/Parser/DeclarationNode.cc@ 601bd9e

ADT ast-experimental
Last change on this file since 601bd9e was be00a2d, checked in by Peter A. Buhr <pabuhr@…>, 3 years ago

change BadQualifiersZeroOne warning from dubious print of specified qualifer(s) to a generic message
  • Property mode set to 100644
File size: 43.8 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 : Sat Feb 25 12:15:40 2023
13// Update Count : 1404
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 assert.condition = nullptr;
64 assert.message = nullptr;
65}
66
67DeclarationNode::~DeclarationNode() {
68// delete variable.name;
69 delete variable.assertions;
70 delete variable.initializer;
71
72// delete type;
73 delete bitfieldWidth;
74
75 delete asmStmt;
76 // asmName, no delete, passed to next stage
77 delete initializer;
78
79 delete assert.condition;
80 delete assert.message;
81}
82
83DeclarationNode * DeclarationNode::clone() const {
84 DeclarationNode * newnode = new DeclarationNode;
85 newnode->set_next( maybeClone( get_next() ) );
86 newnode->name = name ? new string( *name ) : nullptr;
87
88 newnode->builtin = NoBuiltinType;
89 newnode->type = maybeClone( type );
90 newnode->inLine = inLine;
91 newnode->storageClasses = storageClasses;
92 newnode->funcSpecs = funcSpecs;
93 newnode->bitfieldWidth = maybeClone( bitfieldWidth );
94 newnode->enumeratorValue.reset( maybeClone( enumeratorValue.get() ) );
95 newnode->hasEllipsis = hasEllipsis;
96 newnode->linkage = linkage;
97 newnode->asmName = maybeClone( asmName );
98 cloneAll( attributes, newnode->attributes );
99 newnode->initializer = maybeClone( initializer );
100 newnode->extension = extension;
101 newnode->asmStmt = maybeClone( asmStmt );
102 newnode->error = error;
103
104// newnode->variable.name = variable.name ? new string( *variable.name ) : nullptr;
105 newnode->variable.tyClass = variable.tyClass;
106 newnode->variable.assertions = maybeClone( variable.assertions );
107 newnode->variable.initializer = maybeClone( variable.initializer );
108
109 newnode->assert.condition = maybeClone( assert.condition );
110 newnode->assert.message = maybeClone( assert.message );
111 return newnode;
112} // DeclarationNode::clone
113
114void DeclarationNode::print( std::ostream & os, int indent ) const {
115 os << string( indent, ' ' );
116 if ( name ) {
117 os << *name << ": ";
118 } // if
119
120 if ( linkage != LinkageSpec::Cforall ) {
121 os << LinkageSpec::name( linkage ) << " ";
122 } // if
123
124 storageClasses.print( os );
125 funcSpecs.print( os );
126
127 if ( type ) {
128 type->print( os, indent );
129 } else {
130 os << "untyped entity ";
131 } // if
132
133 if ( bitfieldWidth ) {
134 os << endl << string( indent + 2, ' ' ) << "with bitfield width ";
135 bitfieldWidth->printOneLine( os );
136 } // if
137
138 if ( initializer ) {
139 os << endl << string( indent + 2, ' ' ) << "with initializer ";
140 initializer->printOneLine( os );
141 os << " maybe constructed? " << initializer->get_maybeConstructed();
142 } // if
143
144 if ( ! attributes.empty() ) {
145 os << string( indent + 2, ' ' ) << "with attributes " << endl;
146 for ( Attribute * attr: reverseIterate( attributes ) ) {
147 os << string( indent + 4, ' ' ) << attr->name.c_str() << endl;
148 } // for
149 } // if
150
151 os << endl;
152}
153
154void DeclarationNode::printList( std::ostream & os, int indent ) const {
155 ParseNode::printList( os, indent );
156 if ( hasEllipsis ) {
157 os << string( indent, ' ' ) << "and a variable number of other arguments" << endl;
158 } // if
159}
160
161DeclarationNode * DeclarationNode::newStorageClass( Type::StorageClasses sc ) {
162 DeclarationNode * newnode = new DeclarationNode;
163 newnode->storageClasses = sc;
164 return newnode;
165} // DeclarationNode::newStorageClass
166
167DeclarationNode * DeclarationNode::newFuncSpecifier( Type::FuncSpecifiers fs ) {
168 DeclarationNode * newnode = new DeclarationNode;
169 newnode->funcSpecs = fs;
170 return newnode;
171} // DeclarationNode::newFuncSpecifier
172
173DeclarationNode * DeclarationNode::newTypeQualifier( Type::Qualifiers tq ) {
174 DeclarationNode * newnode = new DeclarationNode;
175 newnode->type = new TypeData();
176 newnode->type->qualifiers = tq;
177 return newnode;
178} // DeclarationNode::newQualifier
179
180DeclarationNode * DeclarationNode::newBasicType( BasicType bt ) {
181 DeclarationNode * newnode = new DeclarationNode;
182 newnode->type = new TypeData( TypeData::Basic );
183 newnode->type->basictype = bt;
184 return newnode;
185} // DeclarationNode::newBasicType
186
187DeclarationNode * DeclarationNode::newComplexType( ComplexType ct ) {
188 DeclarationNode * newnode = new DeclarationNode;
189 newnode->type = new TypeData( TypeData::Basic );
190 newnode->type->complextype = ct;
191 return newnode;
192} // DeclarationNode::newComplexType
193
194DeclarationNode * DeclarationNode::newSignedNess( Signedness sn ) {
195 DeclarationNode * newnode = new DeclarationNode;
196 newnode->type = new TypeData( TypeData::Basic );
197 newnode->type->signedness = sn;
198 return newnode;
199} // DeclarationNode::newSignedNess
200
201DeclarationNode * DeclarationNode::newLength( Length lnth ) {
202 DeclarationNode * newnode = new DeclarationNode;
203 newnode->type = new TypeData( TypeData::Basic );
204 newnode->type->length = lnth;
205 return newnode;
206} // DeclarationNode::newLength
207
208DeclarationNode * DeclarationNode::newForall( DeclarationNode * forall ) {
209 DeclarationNode * newnode = new DeclarationNode;
210 newnode->type = new TypeData( TypeData::Unknown );
211 newnode->type->forall = forall;
212 return newnode;
213} // DeclarationNode::newForall
214
215DeclarationNode * DeclarationNode::newFromGlobalScope() {
216 DeclarationNode * newnode = new DeclarationNode;
217 newnode->type = new TypeData( TypeData::GlobalScope );
218 return newnode;
219}
220
221DeclarationNode * DeclarationNode::newQualifiedType( DeclarationNode * parent, DeclarationNode * child) {
222 DeclarationNode * newnode = new DeclarationNode;
223 newnode->type = new TypeData( TypeData::Qualified );
224 newnode->type->qualified.parent = parent->type;
225 newnode->type->qualified.child = child->type;
226 parent->type = nullptr;
227 child->type = nullptr;
228 delete parent;
229 delete child;
230 return newnode;
231}
232
233DeclarationNode * DeclarationNode::newAggregate( AggregateDecl::Aggregate kind, const string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body ) {
234 DeclarationNode * newnode = new DeclarationNode;
235 newnode->type = new TypeData( TypeData::Aggregate );
236 newnode->type->aggregate.kind = kind;
237 newnode->type->aggregate.anon = name == nullptr;
238 newnode->type->aggregate.name = newnode->type->aggregate.anon ? new string( DeclarationNode::anonymous.newName() ) : name;
239 newnode->type->aggregate.actuals = actuals;
240 newnode->type->aggregate.fields = fields;
241 newnode->type->aggregate.body = body;
242 newnode->type->aggregate.tagged = false;
243 newnode->type->aggregate.parent = nullptr;
244 return newnode;
245} // DeclarationNode::newAggregate
246
247DeclarationNode * DeclarationNode::newEnum( const string * name, DeclarationNode * constants, bool body, bool typed, DeclarationNode * base, EnumHiding hiding ) {
248 DeclarationNode * newnode = new DeclarationNode;
249 newnode->type = new TypeData( TypeData::Enum );
250 newnode->type->enumeration.anon = name == nullptr;
251 newnode->type->enumeration.name = newnode->type->enumeration.anon ? new string( DeclarationNode::anonymous.newName() ) : name;
252 newnode->type->enumeration.constants = constants;
253 newnode->type->enumeration.body = body;
254 newnode->type->enumeration.typed = typed;
255 newnode->type->enumeration.hiding = hiding;
256 if ( base && base->type ) {
257 newnode->type->base = base->type;
258 } // if
259
260 return newnode;
261} // DeclarationNode::newEnum
262
263
264
265DeclarationNode * DeclarationNode::newName( const string * name ) {
266 DeclarationNode * newnode = new DeclarationNode;
267 assert( ! newnode->name );
268 newnode->name = name;
269 return newnode;
270} // DeclarationNode::newName
271
272DeclarationNode * DeclarationNode::newEnumConstant( const string * name, ExpressionNode * constant ) {
273 DeclarationNode * newnode = newName( name );
274 newnode->enumeratorValue.reset( constant );
275 return newnode;
276} // DeclarationNode::newEnumConstant
277
278DeclarationNode * DeclarationNode::newEnumValueGeneric( const string * name, InitializerNode * init ) {
279 if ( init ) {
280 if ( init->get_expression() ) {
281 return newEnumConstant( name, init->get_expression() );
282 } else {
283 DeclarationNode * newnode = newName( name );
284 newnode->initializer = init;
285 return newnode;
286 } // if
287 } else {
288 return newName( name );
289 } // if
290} // DeclarationNode::newEnumValueGeneric
291
292DeclarationNode * DeclarationNode::newEnumInLine( const string name ) {
293 DeclarationNode * newnode = newName( new std::string(name) );
294 newnode->enumInLine = true;
295 return newnode;
296}
297
298DeclarationNode * DeclarationNode::newFromTypedef( const string * name ) {
299 DeclarationNode * newnode = new DeclarationNode;
300 newnode->type = new TypeData( TypeData::SymbolicInst );
301 newnode->type->symbolic.name = name;
302 newnode->type->symbolic.isTypedef = true;
303 newnode->type->symbolic.params = nullptr;
304 return newnode;
305} // DeclarationNode::newFromTypedef
306
307DeclarationNode * DeclarationNode::newFromTypeGen( const string * name, ExpressionNode * params ) {
308 DeclarationNode * newnode = new DeclarationNode;
309 newnode->type = new TypeData( TypeData::SymbolicInst );
310 newnode->type->symbolic.name = name;
311 newnode->type->symbolic.isTypedef = false;
312 newnode->type->symbolic.actuals = params;
313 return newnode;
314} // DeclarationNode::newFromTypeGen
315
316DeclarationNode * DeclarationNode::newTypeParam( TypeDecl::Kind tc, const string * name ) {
317 DeclarationNode * newnode = newName( name );
318 newnode->type = nullptr;
319 newnode->variable.tyClass = tc;
320 newnode->variable.assertions = nullptr;
321 return newnode;
322} // DeclarationNode::newTypeParam
323
324DeclarationNode * DeclarationNode::newTrait( const string * name, DeclarationNode * params, DeclarationNode * asserts ) {
325 DeclarationNode * newnode = new DeclarationNode;
326 newnode->type = new TypeData( TypeData::Aggregate );
327 newnode->type->aggregate.name = name;
328 newnode->type->aggregate.kind = AggregateDecl::Trait;
329 newnode->type->aggregate.params = params;
330 newnode->type->aggregate.fields = asserts;
331 return newnode;
332} // DeclarationNode::newTrait
333
334DeclarationNode * DeclarationNode::newTraitUse( const string * name, ExpressionNode * params ) {
335 DeclarationNode * newnode = new DeclarationNode;
336 newnode->type = new TypeData( TypeData::AggregateInst );
337 newnode->type->aggInst.aggregate = new TypeData( TypeData::Aggregate );
338 newnode->type->aggInst.aggregate->aggregate.kind = AggregateDecl::Trait;
339 newnode->type->aggInst.aggregate->aggregate.name = name;
340 newnode->type->aggInst.params = params;
341 return newnode;
342} // DeclarationNode::newTraitUse
343
344DeclarationNode * DeclarationNode::newTypeDecl( const string * name, DeclarationNode * typeParams ) {
345 DeclarationNode * newnode = newName( name );
346 newnode->type = new TypeData( TypeData::Symbolic );
347 newnode->type->symbolic.isTypedef = false;
348 newnode->type->symbolic.params = typeParams;
349 return newnode;
350} // DeclarationNode::newTypeDecl
351
352DeclarationNode * DeclarationNode::newPointer( DeclarationNode * qualifiers, OperKinds kind ) {
353 DeclarationNode * newnode = new DeclarationNode;
354 newnode->type = new TypeData( kind == OperKinds::PointTo ? TypeData::Pointer : TypeData::Reference );
355 if ( kind == OperKinds::And ) {
356 // T && is parsed as 'And' operator rather than two references => add a second reference type
357 TypeData * td = new TypeData( TypeData::Reference );
358 td->base = newnode->type;
359 newnode->type = td;
360 }
361 if ( qualifiers ) {
362 return newnode->addQualifiers( qualifiers );
363 } else {
364 return newnode;
365 } // if
366} // DeclarationNode::newPointer
367
368DeclarationNode * DeclarationNode::newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic ) {
369 DeclarationNode * newnode = new DeclarationNode;
370 newnode->type = new TypeData( TypeData::Array );
371 newnode->type->array.dimension = size;
372 newnode->type->array.isStatic = isStatic;
373 if ( newnode->type->array.dimension == nullptr || newnode->type->array.dimension->isExpressionType<ConstantExpr * >() ) {
374 newnode->type->array.isVarLen = false;
375 } else {
376 newnode->type->array.isVarLen = true;
377 } // if
378 return newnode->addQualifiers( qualifiers );
379} // DeclarationNode::newArray
380
381DeclarationNode * DeclarationNode::newVarArray( DeclarationNode * qualifiers ) {
382 DeclarationNode * newnode = new DeclarationNode;
383 newnode->type = new TypeData( TypeData::Array );
384 newnode->type->array.dimension = nullptr;
385 newnode->type->array.isStatic = false;
386 newnode->type->array.isVarLen = true;
387 return newnode->addQualifiers( qualifiers );
388}
389
390DeclarationNode * DeclarationNode::newBitfield( ExpressionNode * size ) {
391 DeclarationNode * newnode = new DeclarationNode;
392 newnode->bitfieldWidth = size;
393 return newnode;
394}
395
396DeclarationNode * DeclarationNode::newTuple( DeclarationNode * members ) {
397 DeclarationNode * newnode = new DeclarationNode;
398 newnode->type = new TypeData( TypeData::Tuple );
399 newnode->type->tuple = members;
400 return newnode;
401}
402
403DeclarationNode * DeclarationNode::newTypeof( ExpressionNode * expr, bool basetypeof ) {
404 DeclarationNode * newnode = new DeclarationNode;
405 newnode->type = new TypeData( basetypeof ? TypeData::Basetypeof : TypeData::Typeof );
406 newnode->type->typeexpr = expr;
407 return newnode;
408}
409
410DeclarationNode * DeclarationNode::newVtableType( DeclarationNode * decl ) {
411 DeclarationNode * newnode = new DeclarationNode;
412 newnode->type = new TypeData( TypeData::Vtable );
413 newnode->setBase( decl->type );
414 return newnode;
415}
416
417DeclarationNode * DeclarationNode::newBuiltinType( BuiltinType bt ) {
418 DeclarationNode * newnode = new DeclarationNode;
419 newnode->type = new TypeData( TypeData::Builtin );
420 newnode->builtin = bt;
421 newnode->type->builtintype = newnode->builtin;
422 return newnode;
423} // DeclarationNode::newBuiltinType
424
425DeclarationNode * DeclarationNode::newFunction( const string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body ) {
426 DeclarationNode * newnode = newName( name );
427 newnode->type = new TypeData( TypeData::Function );
428 newnode->type->function.params = param;
429 newnode->type->function.body = body;
430
431 if ( ret ) {
432 newnode->type->base = ret->type;
433 ret->type = nullptr;
434 delete ret;
435 } // if
436
437 return newnode;
438} // DeclarationNode::newFunction
439
440DeclarationNode * DeclarationNode::newAttribute( const string * name, ExpressionNode * expr ) {
441 DeclarationNode * newnode = new DeclarationNode;
442 newnode->type = nullptr;
443 std::list< Expression * > exprs;
444 buildList( expr, exprs );
445 newnode->attributes.push_back( new Attribute( *name, exprs ) );
446 delete name;
447 return newnode;
448}
449
450DeclarationNode * DeclarationNode::newDirectiveStmt( StatementNode * stmt ) {
451 DeclarationNode * newnode = new DeclarationNode;
452 newnode->directiveStmt = stmt;
453 return newnode;
454}
455
456DeclarationNode * DeclarationNode::newAsmStmt( StatementNode * stmt ) {
457 DeclarationNode * newnode = new DeclarationNode;
458 newnode->asmStmt = stmt;
459 return newnode;
460}
461
462DeclarationNode * DeclarationNode::newStaticAssert( ExpressionNode * condition, Expression * message ) {
463 DeclarationNode * newnode = new DeclarationNode;
464 newnode->assert.condition = condition;
465 newnode->assert.message = message;
466 return newnode;
467}
468
469
470void appendError( string & dst, const string & src ) {
471 if ( src.empty() ) return;
472 if ( dst.empty() ) { dst = src; return; }
473 dst += ", " + src;
474} // appendError
475
476void DeclarationNode::checkQualifiers( const TypeData * src, const TypeData * dst ) {
477 const Type::Qualifiers qsrc = src->qualifiers, qdst = dst->qualifiers; // optimization
478
479 if ( (qsrc & qdst).any() ) { // duplicates ?
480 for ( unsigned int i = 0; i < Type::NumTypeQualifier; i += 1 ) { // find duplicates
481 if ( qsrc[i] && qdst[i] ) {
482 appendError( error, string( "duplicate " ) + Type::QualifiersNames[i] );
483 } // if
484 } // for
485 } // for
486} // DeclarationNode::checkQualifiers
487
488void DeclarationNode::checkSpecifiers( DeclarationNode * src ) {
489 if ( (funcSpecs & src->funcSpecs).any() ) { // duplicates ?
490 for ( unsigned int i = 0; i < Type::NumFuncSpecifier; i += 1 ) { // find duplicates
491 if ( funcSpecs[i] && src->funcSpecs[i] ) {
492 appendError( error, string( "duplicate " ) + Type::FuncSpecifiersNames[i] );
493 } // if
494 } // for
495 } // if
496
497 if ( storageClasses.any() && src->storageClasses.any() ) { // any reason to check ?
498 if ( (storageClasses & src->storageClasses ).any() ) { // duplicates ?
499 for ( unsigned int i = 0; i < Type::NumStorageClass; i += 1 ) { // find duplicates
500 if ( storageClasses[i] && src->storageClasses[i] ) {
501 appendError( error, string( "duplicate " ) + Type::StorageClassesNames[i] );
502 } // if
503 } // for
504 // src is the new item being added and has a single bit
505 } else if ( ! src->storageClasses.is_threadlocal_any() ) { // conflict ?
506 appendError( error, string( "conflicting " ) + Type::StorageClassesNames[storageClasses.ffs()] +
507 " & " + Type::StorageClassesNames[src->storageClasses.ffs()] );
508 src->storageClasses.reset(); // FIX to preserve invariant of one basic storage specifier
509 } // if
510 } // if
511
512 appendError( error, src->error );
513} // DeclarationNode::checkSpecifiers
514
515DeclarationNode * DeclarationNode::copySpecifiers( DeclarationNode * q ) {
516 funcSpecs |= q->funcSpecs;
517 storageClasses |= q->storageClasses;
518
519 for ( Attribute * attr: reverseIterate( q->attributes ) ) {
520 attributes.push_front( attr->clone() );
521 } // for
522 return this;
523} // DeclarationNode::copySpecifiers
524
525static void addQualifiersToType( TypeData *& src, TypeData * dst ) {
526 if ( dst->base ) {
527 addQualifiersToType( src, dst->base );
528 } else if ( dst->kind == TypeData::Function ) {
529 dst->base = src;
530 src = nullptr;
531 } else {
532 dst->qualifiers |= src->qualifiers;
533 } // if
534} // addQualifiersToType
535
536DeclarationNode * DeclarationNode::addQualifiers( DeclarationNode * q ) {
537 if ( ! q ) { return this; } // empty qualifier
538
539 checkSpecifiers( q );
540 copySpecifiers( q );
541
542 if ( ! q->type ) { delete q; return this; }
543
544 if ( ! type ) {
545 type = q->type; // reuse structure
546 q->type = nullptr;
547 delete q;
548 return this;
549 } // if
550
551 if ( q->type->forall ) { // forall qualifier ?
552 if ( type->forall ) { // polymorphic routine ?
553 type->forall->appendList( q->type->forall ); // augment forall qualifier
554 } else {
555 if ( type->kind == TypeData::Aggregate ) { // struct/union ?
556 if ( type->aggregate.params ) { // polymorphic ?
557 type->aggregate.params->appendList( q->type->forall ); // augment forall qualifier
558 } else { // not polymorphic
559 type->aggregate.params = q->type->forall; // set forall qualifier
560 } // if
561 } else { // not polymorphic
562 type->forall = q->type->forall; // make polymorphic routine
563 } // if
564 } // if
565 q->type->forall = nullptr; // forall qualifier moved
566 } // if
567
568 checkQualifiers( type, q->type );
569 if ( (builtin == Zero || builtin == One) && q->type->qualifiers.any() && error.length() == 0 ) {
570 SemanticWarning( yylloc, Warning::BadQualifiersZeroOne, builtinTypeNames[builtin] );
571 } // if
572 addQualifiersToType( q->type, type );
573
574 delete q;
575 return this;
576} // addQualifiers
577
578static void addTypeToType( TypeData *& src, TypeData *& dst ) {
579 if ( src->forall && dst->kind == TypeData::Function ) {
580 if ( dst->forall ) {
581 dst->forall->appendList( src->forall );
582 } else {
583 dst->forall = src->forall;
584 } // if
585 src->forall = nullptr;
586 } // if
587 if ( dst->base ) {
588 addTypeToType( src, dst->base );
589 } else {
590 switch ( dst->kind ) {
591 case TypeData::Unknown:
592 src->qualifiers |= dst->qualifiers;
593 dst = src;
594 src = nullptr;
595 break;
596 case TypeData::Basic:
597 dst->qualifiers |= src->qualifiers;
598 if ( src->kind != TypeData::Unknown ) {
599 assert( src->kind == TypeData::Basic );
600
601 if ( dst->basictype == DeclarationNode::NoBasicType ) {
602 dst->basictype = src->basictype;
603 } else if ( src->basictype != DeclarationNode::NoBasicType )
604 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::basicTypeNames[ src->basictype ] + " in type: " );
605
606 if ( dst->complextype == DeclarationNode::NoComplexType ) {
607 dst->complextype = src->complextype;
608 } else if ( src->complextype != DeclarationNode::NoComplexType )
609 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::complexTypeNames[ src->complextype ] + " in type: " );
610
611 if ( dst->signedness == DeclarationNode::NoSignedness ) {
612 dst->signedness = src->signedness;
613 } else if ( src->signedness != DeclarationNode::NoSignedness )
614 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::signednessNames[ src->signedness ] + " in type: " );
615
616 if ( dst->length == DeclarationNode::NoLength ) {
617 dst->length = src->length;
618 } else if ( dst->length == DeclarationNode::Long && src->length == DeclarationNode::Long ) {
619 dst->length = DeclarationNode::LongLong;
620 } else if ( src->length != DeclarationNode::NoLength )
621 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::lengthNames[ src->length ] + " in type: " );
622 } // if
623 break;
624 default:
625 switch ( src->kind ) {
626 case TypeData::Aggregate:
627 case TypeData::Enum:
628 dst->base = new TypeData( TypeData::AggregateInst );
629 dst->base->aggInst.aggregate = src;
630 if ( src->kind == TypeData::Aggregate ) {
631 dst->base->aggInst.params = maybeClone( src->aggregate.actuals );
632 } // if
633 dst->base->qualifiers |= src->qualifiers;
634 src = nullptr;
635 break;
636 default:
637 if ( dst->forall ) {
638 dst->forall->appendList( src->forall );
639 } else {
640 dst->forall = src->forall;
641 } // if
642 src->forall = nullptr;
643 dst->base = src;
644 src = nullptr;
645 } // switch
646 } // switch
647 } // if
648}
649
650DeclarationNode * DeclarationNode::addType( DeclarationNode * o ) {
651 if ( o ) {
652 checkSpecifiers( o );
653 copySpecifiers( o );
654 if ( o->type ) {
655 if ( ! type ) {
656 if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) {
657 type = new TypeData( TypeData::AggregateInst );
658 type->aggInst.aggregate = o->type;
659 if ( o->type->kind == TypeData::Aggregate ) {
660 type->aggInst.hoistType = o->type->aggregate.body;
661 type->aggInst.params = maybeClone( o->type->aggregate.actuals );
662 } else {
663 type->aggInst.hoistType = o->type->enumeration.body;
664 } // if
665 type->qualifiers |= o->type->qualifiers;
666 } else {
667 type = o->type;
668 } // if
669 o->type = nullptr;
670 } else {
671 addTypeToType( o->type, type );
672 } // if
673 } // if
674 if ( o->bitfieldWidth ) {
675 bitfieldWidth = o->bitfieldWidth;
676 } // if
677
678 // there may be typedefs chained onto the type
679 if ( o->get_next() ) {
680 set_last( o->get_next()->clone() );
681 } // if
682 } // if
683 delete o;
684
685 return this;
686}
687
688DeclarationNode * DeclarationNode::addEnumBase( DeclarationNode * o ) {
689 if ( o && o -> type) {
690 type->base= o->type;
691 }
692 delete o;
693 return this;
694}
695
696DeclarationNode * DeclarationNode::addTypedef() {
697 TypeData * newtype = new TypeData( TypeData::Symbolic );
698 newtype->symbolic.params = nullptr;
699 newtype->symbolic.isTypedef = true;
700 newtype->symbolic.name = name ? new string( *name ) : nullptr;
701 newtype->base = type;
702 type = newtype;
703 return this;
704}
705
706DeclarationNode * DeclarationNode::addAssertions( DeclarationNode * assertions ) {
707 if ( variable.tyClass != TypeDecl::NUMBER_OF_KINDS ) {
708 if ( variable.assertions ) {
709 variable.assertions->appendList( assertions );
710 } else {
711 variable.assertions = assertions;
712 } // if
713 return this;
714 } // if
715
716 assert( type );
717 switch ( type->kind ) {
718 case TypeData::Symbolic:
719 if ( type->symbolic.assertions ) {
720 type->symbolic.assertions->appendList( assertions );
721 } else {
722 type->symbolic.assertions = assertions;
723 } // if
724 break;
725 default:
726 assert( false );
727 } // switch
728
729 return this;
730}
731
732DeclarationNode * DeclarationNode::addName( string * newname ) {
733 assert( ! name );
734 name = newname;
735 return this;
736}
737
738DeclarationNode * DeclarationNode::addAsmName( DeclarationNode * newname ) {
739 assert( ! asmName );
740 asmName = newname ? newname->asmName : nullptr;
741 return this->addQualifiers( newname );
742}
743
744DeclarationNode * DeclarationNode::addBitfield( ExpressionNode * size ) {
745 bitfieldWidth = size;
746 return this;
747}
748
749DeclarationNode * DeclarationNode::addVarArgs() {
750 assert( type );
751 hasEllipsis = true;
752 return this;
753}
754
755DeclarationNode * DeclarationNode::addFunctionBody( StatementNode * body, ExpressionNode * withExprs ) {
756 assert( type );
757 assert( type->kind == TypeData::Function );
758 assert( ! type->function.body );
759 type->function.body = body;
760 type->function.withExprs = withExprs;
761 return this;
762}
763
764DeclarationNode * DeclarationNode::addOldDeclList( DeclarationNode * list ) {
765 assert( type );
766 assert( type->kind == TypeData::Function );
767 assert( ! type->function.oldDeclList );
768 type->function.oldDeclList = list;
769 return this;
770}
771
772DeclarationNode * DeclarationNode::setBase( TypeData * newType ) {
773 if ( type ) {
774 TypeData * prevBase = type;
775 TypeData * curBase = type->base;
776 while ( curBase != nullptr ) {
777 prevBase = curBase;
778 curBase = curBase->base;
779 } // while
780 prevBase->base = newType;
781 } else {
782 type = newType;
783 } // if
784 return this;
785}
786
787DeclarationNode * DeclarationNode::copyAttribute( DeclarationNode * a ) {
788 if ( a ) {
789 for ( Attribute *attr: reverseIterate( a->attributes ) ) {
790 attributes.push_front( attr );
791 } // for
792 a->attributes.clear();
793 } // if
794 return this;
795} // copyAttribute
796
797DeclarationNode * DeclarationNode::addPointer( DeclarationNode * p ) {
798 if ( p ) {
799 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
800 setBase( p->type );
801 p->type = nullptr;
802 copyAttribute( p );
803 delete p;
804 } // if
805 return this;
806}
807
808DeclarationNode * DeclarationNode::addArray( DeclarationNode * a ) {
809 if ( a ) {
810 assert( a->type->kind == TypeData::Array );
811 setBase( a->type );
812 a->type = nullptr;
813 copyAttribute( a );
814 delete a;
815 } // if
816 return this;
817}
818
819DeclarationNode * DeclarationNode::addNewPointer( DeclarationNode * p ) {
820 if ( p ) {
821 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
822 if ( type ) {
823 switch ( type->kind ) {
824 case TypeData::Aggregate:
825 case TypeData::Enum:
826 p->type->base = new TypeData( TypeData::AggregateInst );
827 p->type->base->aggInst.aggregate = type;
828 if ( type->kind == TypeData::Aggregate ) {
829 p->type->base->aggInst.params = maybeClone( type->aggregate.actuals );
830 } // if
831 p->type->base->qualifiers |= type->qualifiers;
832 break;
833
834 default:
835 p->type->base = type;
836 } // switch
837 type = nullptr;
838 } // if
839 delete this;
840 return p;
841 } else {
842 return this;
843 } // if
844}
845
846static TypeData * findLast( TypeData * a ) {
847 assert( a );
848 TypeData * cur = a;
849 while ( cur->base ) {
850 cur = cur->base;
851 } // while
852 return cur;
853}
854
855DeclarationNode * DeclarationNode::addNewArray( DeclarationNode * a ) {
856 if ( ! a ) return this;
857 assert( a->type->kind == TypeData::Array );
858 TypeData * lastArray = findLast( a->type );
859 if ( type ) {
860 switch ( type->kind ) {
861 case TypeData::Aggregate:
862 case TypeData::Enum:
863 lastArray->base = new TypeData( TypeData::AggregateInst );
864 lastArray->base->aggInst.aggregate = type;
865 if ( type->kind == TypeData::Aggregate ) {
866 lastArray->base->aggInst.params = maybeClone( type->aggregate.actuals );
867 } // if
868 lastArray->base->qualifiers |= type->qualifiers;
869 break;
870 default:
871 lastArray->base = type;
872 } // switch
873 type = nullptr;
874 } // if
875 delete this;
876 return a;
877}
878
879DeclarationNode * DeclarationNode::addParamList( DeclarationNode * params ) {
880 TypeData * ftype = new TypeData( TypeData::Function );
881 ftype->function.params = params;
882 setBase( ftype );
883 return this;
884}
885
886static TypeData * addIdListToType( TypeData * type, DeclarationNode * ids ) {
887 if ( type ) {
888 if ( type->kind != TypeData::Function ) {
889 type->base = addIdListToType( type->base, ids );
890 } else {
891 type->function.idList = ids;
892 } // if
893 return type;
894 } else {
895 TypeData * newtype = new TypeData( TypeData::Function );
896 newtype->function.idList = ids;
897 return newtype;
898 } // if
899} // addIdListToType
900
901DeclarationNode * DeclarationNode::addIdList( DeclarationNode * ids ) {
902 type = addIdListToType( type, ids );
903 return this;
904}
905
906DeclarationNode * DeclarationNode::addInitializer( InitializerNode * init ) {
907 initializer = init;
908 return this;
909}
910
911DeclarationNode * DeclarationNode::addTypeInitializer( DeclarationNode * init ) {
912 assertf( variable.tyClass != TypeDecl::NUMBER_OF_KINDS, "Called addTypeInitializer on something that isn't a type variable." );
913 variable.initializer = init;
914 return this;
915}
916
917DeclarationNode * DeclarationNode::cloneType( string * name ) {
918 DeclarationNode * newnode = newName( name );
919 newnode->type = maybeClone( type );
920 newnode->copySpecifiers( this );
921 return newnode;
922}
923
924DeclarationNode * DeclarationNode::cloneBaseType( DeclarationNode * o ) {
925 if ( ! o ) return nullptr;
926
927 o->copySpecifiers( this );
928 if ( type ) {
929 TypeData * srcType = type;
930
931 // search for the base type by scanning off pointers and array designators
932 while ( srcType->base ) {
933 srcType = srcType->base;
934 } // while
935
936 TypeData * newType = srcType->clone();
937 if ( newType->kind == TypeData::AggregateInst ) {
938 // don't duplicate members
939 if ( newType->aggInst.aggregate->kind == TypeData::Enum ) {
940 delete newType->aggInst.aggregate->enumeration.constants;
941 newType->aggInst.aggregate->enumeration.constants = nullptr;
942 newType->aggInst.aggregate->enumeration.body = false;
943 } else {
944 assert( newType->aggInst.aggregate->kind == TypeData::Aggregate );
945 delete newType->aggInst.aggregate->aggregate.fields;
946 newType->aggInst.aggregate->aggregate.fields = nullptr;
947 newType->aggInst.aggregate->aggregate.body = false;
948 } // if
949 // don't hoist twice
950 newType->aggInst.hoistType = false;
951 } // if
952
953 newType->forall = maybeClone( type->forall );
954 if ( ! o->type ) {
955 o->type = newType;
956 } else {
957 addTypeToType( newType, o->type );
958 delete newType;
959 } // if
960 } // if
961 return o;
962}
963
964DeclarationNode * DeclarationNode::extractAggregate() const {
965 if ( type ) {
966 TypeData * ret = typeextractAggregate( type );
967 if ( ret ) {
968 DeclarationNode * newnode = new DeclarationNode;
969 newnode->type = ret;
970 return newnode;
971 } // if
972 } // if
973 return nullptr;
974}
975
976void buildList( const DeclarationNode * firstNode, std::list< Declaration * > & outputList ) {
977 SemanticErrorException errors;
978 std::back_insert_iterator< std::list< Declaration * > > out( outputList );
979
980 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
981 try {
982 bool extracted = false, anon = false;
983 AggregateDecl * unionDecl = nullptr;
984
985 if ( DeclarationNode * extr = cur->extractAggregate() ) {
986 // Handle the case where a SUE declaration is contained within an object or type declaration.
987
988 assert( cur->type );
989 // Replace anonymous SUE name with typedef name to prevent anonymous naming problems across translation units.
990 if ( cur->type->kind == TypeData::Symbolic && cur->type->symbolic.isTypedef ) {
991 assert( extr->type );
992 // Handle anonymous aggregates: typedef struct { int i; } foo
993 extr->type->qualifiers.reset(); // clear any CVs associated with the aggregate
994 if ( extr->type->kind == TypeData::Aggregate && extr->type->aggregate.anon ) {
995 delete extr->type->aggregate.name;
996 extr->type->aggregate.name = new string( "__anonymous_" + *cur->name );
997 extr->type->aggregate.anon = false;
998 assert( cur->type->base );
999 if ( cur->type->base ) {
1000 delete cur->type->base->aggInst.aggregate->aggregate.name;
1001 cur->type->base->aggInst.aggregate->aggregate.name = new string( "__anonymous_" + *cur->name );
1002 cur->type->base->aggInst.aggregate->aggregate.anon = false;
1003 cur->type->base->aggInst.aggregate->qualifiers.reset();
1004 } // if
1005 } // if
1006 // Handle anonymous enumeration: typedef enum { A, B, C } foo
1007 if ( extr->type->kind == TypeData::Enum && extr->type->enumeration.anon ) {
1008 delete extr->type->enumeration.name;
1009 extr->type->enumeration.name = new string( "__anonymous_" + *cur->name );
1010 extr->type->enumeration.anon = false;
1011 assert( cur->type->base );
1012 if ( cur->type->base ) {
1013 delete cur->type->base->aggInst.aggregate->enumeration.name;
1014 cur->type->base->aggInst.aggregate->enumeration.name = new string( "__anonymous_" + *cur->name );
1015 cur->type->base->aggInst.aggregate->enumeration.anon = false;
1016 } // if
1017 } // if
1018 } // if
1019
1020 Declaration * decl = extr->build();
1021 if ( decl ) {
1022 // Remember the declaration if it is a union aggregate ?
1023 unionDecl = dynamic_cast<UnionDecl *>( decl );
1024
1025 decl->location = cur->location;
1026 *out++ = decl;
1027
1028 // need to remember the cases where a declaration contains an anonymous aggregate definition
1029 extracted = true;
1030 assert( extr->type );
1031 if ( extr->type->kind == TypeData::Aggregate ) {
1032 // typedef struct { int A } B is the only case?
1033 anon = extr->type->aggregate.anon;
1034 } else if ( extr->type->kind == TypeData::Enum ) {
1035 // typedef enum { A } B is the only case?
1036 anon = extr->type->enumeration.anon;
1037 }
1038 } // if
1039 delete extr;
1040 } // if
1041
1042 Declaration * decl = cur->build();
1043 if ( decl ) {
1044 if ( TypedefDecl * typedefDecl = dynamic_cast<TypedefDecl *>( decl ) ) {
1045 if ( unionDecl ) { // is the typedef alias a union aggregate ?
1046 // This code handles a special issue with the attribute transparent_union.
1047 //
1048 // typedef union U { int i; } typedef_name __attribute__(( aligned(16) )) __attribute__(( transparent_union ))
1049 //
1050 // Here the attribute aligned goes with the typedef_name, so variables declared of this type are
1051 // aligned. However, the attribute transparent_union must be moved from the typedef_name to
1052 // alias union U. Currently, this is the only know attribute that must be moved from typedef to
1053 // alias.
1054
1055 // If typedef is an alias for a union, then its alias type was hoisted above and remembered.
1056 if ( UnionInstType * unionInstType = dynamic_cast<UnionInstType *>( typedefDecl->base ) ) {
1057 // Remove all transparent_union attributes from typedef and move to alias union.
1058 list<Attribute *>::iterator attr;
1059 for ( attr = unionInstType->attributes.begin(); attr != unionInstType->attributes.end(); ) { // forward order
1060 if ( (*attr)->name == "transparent_union" || (*attr)->name == "__transparent_union__" ) {
1061 list<Attribute *>::iterator cur = attr; // remember current node
1062 attr++; // advance iterator
1063 unionDecl->attributes.emplace_back( *cur ); // move current
1064 unionInstType->attributes.erase( cur ); // remove current
1065 } else {
1066 attr++; // advance iterator
1067 } // if
1068 } // for
1069 } // if
1070 } // if
1071 } // if
1072
1073 // don't include anonymous declaration for named aggregates, but do include them for anonymous aggregates, e.g.:
1074 // struct S {
1075 // struct T { int x; }; // no anonymous member
1076 // struct { int y; }; // anonymous member
1077 // struct T; // anonymous member
1078 // };
1079 if ( ! (extracted && decl->name == "" && ! anon && ! cur->get_inLine()) ) {
1080 if ( decl->name == "" ) {
1081 if ( DeclarationWithType * dwt = dynamic_cast<DeclarationWithType *>( decl ) ) {
1082 if ( ReferenceToType * aggr = dynamic_cast<ReferenceToType *>( dwt->get_type() ) ) {
1083 if ( aggr->name.find("anonymous") == std::string::npos ) {
1084 if ( ! cur->get_inLine() ) {
1085 // temporary: warn about anonymous member declarations of named types, since
1086 // this conflicts with the syntax for the forward declaration of an anonymous type
1087 SemanticWarning( cur->location, Warning::AggrForwardDecl, aggr->name.c_str() );
1088 } // if
1089 } // if
1090 } // if
1091 } // if
1092 } // if
1093 decl->location = cur->location;
1094 *out++ = decl;
1095 } // if
1096 } // if
1097 } catch( SemanticErrorException & e ) {
1098 errors.append( e );
1099 } // try
1100 } // for
1101
1102 if ( ! errors.isEmpty() ) {
1103 throw errors;
1104 } // if
1105} // buildList
1106
1107// currently only builds assertions, function parameters, and return values
1108void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > & outputList ) {
1109 SemanticErrorException errors;
1110 std::back_insert_iterator< std::list< DeclarationWithType * > > out( outputList );
1111
1112 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
1113 try {
1114 Declaration * decl = cur->build();
1115 assert( decl );
1116 if ( DeclarationWithType * dwt = dynamic_cast< DeclarationWithType * >( decl ) ) {
1117 dwt->location = cur->location;
1118 *out++ = dwt;
1119 } else if ( StructDecl * agg = dynamic_cast< StructDecl * >( decl ) ) {
1120 // e.g., int foo(struct S) {}
1121 StructInstType * inst = new StructInstType( Type::Qualifiers(), agg->name );
1122 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1123 obj->location = cur->location;
1124 *out++ = obj;
1125 delete agg;
1126 } else if ( UnionDecl * agg = dynamic_cast< UnionDecl * >( decl ) ) {
1127 // e.g., int foo(union U) {}
1128 UnionInstType * inst = new UnionInstType( Type::Qualifiers(), agg->name );
1129 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1130 obj->location = cur->location;
1131 *out++ = obj;
1132 } else if ( EnumDecl * agg = dynamic_cast< EnumDecl * >( decl ) ) {
1133 // e.g., int foo(enum E) {}
1134 EnumInstType * inst = new EnumInstType( Type::Qualifiers(), agg->name );
1135 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1136 obj->location = cur->location;
1137 *out++ = obj;
1138 } // if
1139 } catch( SemanticErrorException & e ) {
1140 errors.append( e );
1141 } // try
1142 } // for
1143
1144 if ( ! errors.isEmpty() ) {
1145 throw errors;
1146 } // if
1147} // buildList
1148
1149void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > & outputList ) {
1150 SemanticErrorException errors;
1151 std::back_insert_iterator< std::list< Type * > > out( outputList );
1152 const DeclarationNode * cur = firstNode;
1153
1154 while ( cur ) {
1155 try {
1156 * out++ = cur->buildType();
1157 } catch( SemanticErrorException & e ) {
1158 errors.append( e );
1159 } // try
1160 cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
1161 } // while
1162
1163 if ( ! errors.isEmpty() ) {
1164 throw errors;
1165 } // if
1166} // buildTypeList
1167
1168Declaration * DeclarationNode::build() const {
1169 if ( ! error.empty() ) SemanticError( this, error + " in declaration of " );
1170
1171 if ( asmStmt ) {
1172 return new AsmDecl( strict_dynamic_cast<AsmStmt *>( asmStmt->build() ) );
1173 } // if
1174 if ( directiveStmt ) {
1175 return new DirectiveDecl( strict_dynamic_cast<DirectiveStmt *>( directiveStmt->build() ) );
1176 } // if
1177
1178 if ( variable.tyClass != TypeDecl::NUMBER_OF_KINDS ) {
1179 // otype is internally converted to dtype + otype parameters
1180 static const TypeDecl::Kind kindMap[] = { TypeDecl::Dtype, TypeDecl::Dtype, TypeDecl::Dtype, TypeDecl::Ftype, TypeDecl::Ttype, TypeDecl::Dimension };
1181 static_assert( sizeof(kindMap) / sizeof(kindMap[0]) == TypeDecl::NUMBER_OF_KINDS, "DeclarationNode::build: kindMap is out of sync." );
1182 assertf( variable.tyClass < sizeof(kindMap)/sizeof(kindMap[0]), "Variable's tyClass is out of bounds." );
1183 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 );
1184 buildList( variable.assertions, ret->get_assertions() );
1185 return ret;
1186 } // if
1187
1188 if ( type ) {
1189 // Function specifiers can only appear on a function definition/declaration.
1190 //
1191 // inline _Noreturn int f(); // allowed
1192 // inline _Noreturn int g( int i ); // allowed
1193 // inline _Noreturn int i; // disallowed
1194 if ( type->kind != TypeData::Function && funcSpecs.any() ) {
1195 SemanticError( this, "invalid function specifier for " );
1196 } // if
1197 // Forall qualifier can only appear on a function/aggregate definition/declaration.
1198 //
1199 // forall int f(); // allowed
1200 // forall int g( int i ); // allowed
1201 // forall int i; // disallowed
1202 if ( type->kind != TypeData::Function && type->forall ) {
1203 SemanticError( this, "invalid type qualifier for " );
1204 } // if
1205 bool isDelete = initializer && initializer->get_isDelete();
1206 Declaration * decl = buildDecl( type, name ? *name : string( "" ), storageClasses, maybeBuild< Expression >( bitfieldWidth ), funcSpecs, linkage, asmName, isDelete ? nullptr : maybeBuild< Initializer >(initializer), attributes )->set_extension( extension );
1207 if ( isDelete ) {
1208 DeclarationWithType * dwt = strict_dynamic_cast<DeclarationWithType *>( decl );
1209 dwt->isDeleted = true;
1210 }
1211 return decl;
1212 } // if
1213
1214 if ( assert.condition ) {
1215 return new StaticAssertDecl( maybeBuild< Expression >( assert.condition ), strict_dynamic_cast< ConstantExpr * >( maybeClone( assert.message ) ) );
1216 }
1217
1218 // SUE's cannot have function specifiers, either
1219 //
1220 // inline _Noreturn struct S { ... }; // disallowed
1221 // inline _Noreturn enum E { ... }; // disallowed
1222 if ( funcSpecs.any() ) {
1223 SemanticError( this, "invalid function specifier for " );
1224 } // if
1225 if ( enumInLine ) {
1226 return new InlineMemberDecl( *name, storageClasses, linkage, nullptr );
1227 } // if
1228 assertf( name, "ObjectDecl must a have name\n" );
1229 return (new ObjectDecl( *name, storageClasses, linkage, maybeBuild< Expression >( bitfieldWidth ), nullptr, maybeBuild< Initializer >( initializer ) ))->set_asmName( asmName )->set_extension( extension );
1230}
1231
1232Type * DeclarationNode::buildType() const {
1233 assert( type );
1234
1235 switch ( type->kind ) {
1236 case TypeData::Enum:
1237 case TypeData::Aggregate: {
1238 ReferenceToType * ret = buildComAggInst( type, attributes, linkage );
1239 buildList( type->aggregate.actuals, ret->get_parameters() );
1240 return ret;
1241 }
1242 case TypeData::Symbolic: {
1243 TypeInstType * ret = new TypeInstType( buildQualifiers( type ), *type->symbolic.name, false, attributes );
1244 buildList( type->symbolic.actuals, ret->get_parameters() );
1245 return ret;
1246 }
1247 default:
1248 Type * simpletypes = typebuild( type );
1249 simpletypes->get_attributes() = attributes; // copy because member is const
1250 return simpletypes;
1251 } // switch
1252}
1253
1254// Local Variables: //
1255// tab-width: 4 //
1256// mode: c++ //
1257// compile-command: "make install" //
1258// End: //
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