source: src/Parser/DeclarationNode.cc@ cd477ca

ADT ast-experimental
Last change on this file since cd477ca was 0d0931d, checked in by Andrew Beach <ajbeach@…>, 3 years ago

Removing some indent changes in parser. These can go in later, but hopefully this will avoid conflicts with the translation.
  • Property mode set to 100644
File size: 43.6 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 : Andrew Beach
12// Last Modified On : Tue Mar 14 11:56:00 2023
13// Update Count : 1406
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[] = {
44 "void", "_Bool", "char", "int", "int128",
45 "float", "double", "long double", "float80", "float128",
46 "_float16", "_float32", "_float32x", "_float64", "_float64x", "_float128", "_float128x", "NoBasicTypeNames"
47};
48const char * DeclarationNode::complexTypeNames[] = {
49 "_Complex", "NoComplexTypeNames", "_Imaginary"
50}; // Imaginary unsupported => parse, but make invisible and print error message
51const char * DeclarationNode::signednessNames[] = {
52 "signed", "unsigned", "NoSignednessNames"
53};
54const char * DeclarationNode::lengthNames[] = {
55 "short", "long", "long long", "NoLengthNames"
56};
57const char * DeclarationNode::builtinTypeNames[] = {
58 "__builtin_va_list", "__auto_type", "zero_t", "one_t", "NoBuiltinTypeNames"
59};
60
61UniqueName DeclarationNode::anonymous( "__anonymous" );
62
63extern LinkageSpec::Spec linkage; // defined in parser.yy
64
65DeclarationNode::DeclarationNode() :
66 linkage( ::linkage ) {
67
68// variable.name = nullptr;
69 variable.tyClass = TypeDecl::NUMBER_OF_KINDS;
70 variable.assertions = nullptr;
71 variable.initializer = nullptr;
72
73 assert.condition = nullptr;
74 assert.message = nullptr;
75}
76
77DeclarationNode::~DeclarationNode() {
78// delete variable.name;
79 delete variable.assertions;
80 delete variable.initializer;
81
82// delete type;
83 delete bitfieldWidth;
84
85 delete asmStmt;
86 // asmName, no delete, passed to next stage
87 delete initializer;
88
89 delete assert.condition;
90 delete assert.message;
91}
92
93DeclarationNode * DeclarationNode::clone() const {
94 DeclarationNode * newnode = new DeclarationNode;
95 newnode->set_next( maybeClone( get_next() ) );
96 newnode->name = name ? new string( *name ) : nullptr;
97
98 newnode->builtin = NoBuiltinType;
99 newnode->type = maybeClone( type );
100 newnode->inLine = inLine;
101 newnode->storageClasses = storageClasses;
102 newnode->funcSpecs = funcSpecs;
103 newnode->bitfieldWidth = maybeClone( bitfieldWidth );
104 newnode->enumeratorValue.reset( maybeClone( enumeratorValue.get() ) );
105 newnode->hasEllipsis = hasEllipsis;
106 newnode->linkage = linkage;
107 newnode->asmName = maybeClone( asmName );
108 cloneAll( attributes, newnode->attributes );
109 newnode->initializer = maybeClone( initializer );
110 newnode->extension = extension;
111 newnode->asmStmt = maybeClone( asmStmt );
112 newnode->error = error;
113
114// newnode->variable.name = variable.name ? new string( *variable.name ) : nullptr;
115 newnode->variable.tyClass = variable.tyClass;
116 newnode->variable.assertions = maybeClone( variable.assertions );
117 newnode->variable.initializer = maybeClone( variable.initializer );
118
119 newnode->assert.condition = maybeClone( assert.condition );
120 newnode->assert.message = maybeClone( assert.message );
121 return newnode;
122} // DeclarationNode::clone
123
124void DeclarationNode::print( std::ostream & os, int indent ) const {
125 os << string( indent, ' ' );
126 if ( name ) {
127 os << *name << ": ";
128 } // if
129
130 if ( linkage != LinkageSpec::Cforall ) {
131 os << LinkageSpec::name( linkage ) << " ";
132 } // if
133
134 storageClasses.print( os );
135 funcSpecs.print( os );
136
137 if ( type ) {
138 type->print( os, indent );
139 } else {
140 os << "untyped entity ";
141 } // if
142
143 if ( bitfieldWidth ) {
144 os << endl << string( indent + 2, ' ' ) << "with bitfield width ";
145 bitfieldWidth->printOneLine( os );
146 } // if
147
148 if ( initializer ) {
149 os << endl << string( indent + 2, ' ' ) << "with initializer ";
150 initializer->printOneLine( os );
151 os << " maybe constructed? " << initializer->get_maybeConstructed();
152 } // if
153
154 if ( ! attributes.empty() ) {
155 os << string( indent + 2, ' ' ) << "with attributes " << endl;
156 for ( Attribute * attr: reverseIterate( attributes ) ) {
157 os << string( indent + 4, ' ' ) << attr->name.c_str() << endl;
158 } // for
159 } // if
160
161 os << endl;
162}
163
164void DeclarationNode::printList( std::ostream & os, int indent ) const {
165 ParseNode::printList( os, indent );
166 if ( hasEllipsis ) {
167 os << string( indent, ' ' ) << "and a variable number of other arguments" << endl;
168 } // if
169}
170
171DeclarationNode * DeclarationNode::newStorageClass( Type::StorageClasses sc ) {
172 DeclarationNode * newnode = new DeclarationNode;
173 newnode->storageClasses = sc;
174 return newnode;
175} // DeclarationNode::newStorageClass
176
177DeclarationNode * DeclarationNode::newFuncSpecifier( Type::FuncSpecifiers fs ) {
178 DeclarationNode * newnode = new DeclarationNode;
179 newnode->funcSpecs = fs;
180 return newnode;
181} // DeclarationNode::newFuncSpecifier
182
183DeclarationNode * DeclarationNode::newTypeQualifier( Type::Qualifiers tq ) {
184 DeclarationNode * newnode = new DeclarationNode;
185 newnode->type = new TypeData();
186 newnode->type->qualifiers = tq;
187 return newnode;
188} // DeclarationNode::newQualifier
189
190DeclarationNode * DeclarationNode::newBasicType( BasicType bt ) {
191 DeclarationNode * newnode = new DeclarationNode;
192 newnode->type = new TypeData( TypeData::Basic );
193 newnode->type->basictype = bt;
194 return newnode;
195} // DeclarationNode::newBasicType
196
197DeclarationNode * DeclarationNode::newComplexType( ComplexType ct ) {
198 DeclarationNode * newnode = new DeclarationNode;
199 newnode->type = new TypeData( TypeData::Basic );
200 newnode->type->complextype = ct;
201 return newnode;
202} // DeclarationNode::newComplexType
203
204DeclarationNode * DeclarationNode::newSignedNess( Signedness sn ) {
205 DeclarationNode * newnode = new DeclarationNode;
206 newnode->type = new TypeData( TypeData::Basic );
207 newnode->type->signedness = sn;
208 return newnode;
209} // DeclarationNode::newSignedNess
210
211DeclarationNode * DeclarationNode::newLength( Length lnth ) {
212 DeclarationNode * newnode = new DeclarationNode;
213 newnode->type = new TypeData( TypeData::Basic );
214 newnode->type->length = lnth;
215 return newnode;
216} // DeclarationNode::newLength
217
218DeclarationNode * DeclarationNode::newForall( DeclarationNode * forall ) {
219 DeclarationNode * newnode = new DeclarationNode;
220 newnode->type = new TypeData( TypeData::Unknown );
221 newnode->type->forall = forall;
222 return newnode;
223} // DeclarationNode::newForall
224
225DeclarationNode * DeclarationNode::newFromGlobalScope() {
226 DeclarationNode * newnode = new DeclarationNode;
227 newnode->type = new TypeData( TypeData::GlobalScope );
228 return newnode;
229}
230
231DeclarationNode * DeclarationNode::newQualifiedType( DeclarationNode * parent, DeclarationNode * child) {
232 DeclarationNode * newnode = new DeclarationNode;
233 newnode->type = new TypeData( TypeData::Qualified );
234 newnode->type->qualified.parent = parent->type;
235 newnode->type->qualified.child = child->type;
236 parent->type = nullptr;
237 child->type = nullptr;
238 delete parent;
239 delete child;
240 return newnode;
241}
242
243DeclarationNode * DeclarationNode::newAggregate( AggregateDecl::Aggregate kind, const string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body ) {
244 DeclarationNode * newnode = new DeclarationNode;
245 newnode->type = new TypeData( TypeData::Aggregate );
246 newnode->type->aggregate.kind = kind;
247 newnode->type->aggregate.anon = name == nullptr;
248 newnode->type->aggregate.name = newnode->type->aggregate.anon ? new string( DeclarationNode::anonymous.newName() ) : name;
249 newnode->type->aggregate.actuals = actuals;
250 newnode->type->aggregate.fields = fields;
251 newnode->type->aggregate.body = body;
252 newnode->type->aggregate.tagged = false;
253 newnode->type->aggregate.parent = nullptr;
254 return newnode;
255} // DeclarationNode::newAggregate
256
257DeclarationNode * DeclarationNode::newEnum( const string * name, DeclarationNode * constants, bool body, bool typed, DeclarationNode * base, EnumHiding hiding ) {
258 DeclarationNode * newnode = new DeclarationNode;
259 newnode->type = new TypeData( TypeData::Enum );
260 newnode->type->enumeration.anon = name == nullptr;
261 newnode->type->enumeration.name = newnode->type->enumeration.anon ? new string( DeclarationNode::anonymous.newName() ) : name;
262 newnode->type->enumeration.constants = constants;
263 newnode->type->enumeration.body = body;
264 newnode->type->enumeration.typed = typed;
265 newnode->type->enumeration.hiding = hiding;
266 if ( base && base->type ) {
267 newnode->type->base = base->type;
268 } // if
269
270 return newnode;
271} // DeclarationNode::newEnum
272
273
274
275DeclarationNode * DeclarationNode::newName( const string * name ) {
276 DeclarationNode * newnode = new DeclarationNode;
277 assert( ! newnode->name );
278 newnode->name = name;
279 return newnode;
280} // DeclarationNode::newName
281
282DeclarationNode * DeclarationNode::newEnumConstant( const string * name, ExpressionNode * constant ) {
283 DeclarationNode * newnode = newName( name );
284 newnode->enumeratorValue.reset( constant );
285 return newnode;
286} // DeclarationNode::newEnumConstant
287
288DeclarationNode * DeclarationNode::newEnumValueGeneric( const string * name, InitializerNode * init ) {
289 if ( init ) {
290 if ( init->get_expression() ) {
291 return newEnumConstant( name, init->get_expression() );
292 } else {
293 DeclarationNode * newnode = newName( name );
294 newnode->initializer = init;
295 return newnode;
296 } // if
297 } else {
298 return newName( name );
299 } // if
300} // DeclarationNode::newEnumValueGeneric
301
302DeclarationNode * DeclarationNode::newEnumInLine( const string name ) {
303 DeclarationNode * newnode = newName( new std::string(name) );
304 newnode->enumInLine = true;
305 return newnode;
306}
307
308DeclarationNode * DeclarationNode::newFromTypedef( const string * name ) {
309 DeclarationNode * newnode = new DeclarationNode;
310 newnode->type = new TypeData( TypeData::SymbolicInst );
311 newnode->type->symbolic.name = name;
312 newnode->type->symbolic.isTypedef = true;
313 newnode->type->symbolic.params = nullptr;
314 return newnode;
315} // DeclarationNode::newFromTypedef
316
317DeclarationNode * DeclarationNode::newFromTypeGen( const string * name, ExpressionNode * params ) {
318 DeclarationNode * newnode = new DeclarationNode;
319 newnode->type = new TypeData( TypeData::SymbolicInst );
320 newnode->type->symbolic.name = name;
321 newnode->type->symbolic.isTypedef = false;
322 newnode->type->symbolic.actuals = params;
323 return newnode;
324} // DeclarationNode::newFromTypeGen
325
326DeclarationNode * DeclarationNode::newTypeParam( TypeDecl::Kind tc, const string * name ) {
327 DeclarationNode * newnode = newName( name );
328 newnode->type = nullptr;
329 newnode->variable.tyClass = tc;
330 newnode->variable.assertions = nullptr;
331 return newnode;
332} // DeclarationNode::newTypeParam
333
334DeclarationNode * DeclarationNode::newTrait( const string * name, DeclarationNode * params, DeclarationNode * asserts ) {
335 DeclarationNode * newnode = new DeclarationNode;
336 newnode->type = new TypeData( TypeData::Aggregate );
337 newnode->type->aggregate.name = name;
338 newnode->type->aggregate.kind = AggregateDecl::Trait;
339 newnode->type->aggregate.params = params;
340 newnode->type->aggregate.fields = asserts;
341 return newnode;
342} // DeclarationNode::newTrait
343
344DeclarationNode * DeclarationNode::newTraitUse( const string * name, ExpressionNode * params ) {
345 DeclarationNode * newnode = new DeclarationNode;
346 newnode->type = new TypeData( TypeData::AggregateInst );
347 newnode->type->aggInst.aggregate = new TypeData( TypeData::Aggregate );
348 newnode->type->aggInst.aggregate->aggregate.kind = AggregateDecl::Trait;
349 newnode->type->aggInst.aggregate->aggregate.name = name;
350 newnode->type->aggInst.params = params;
351 return newnode;
352} // DeclarationNode::newTraitUse
353
354DeclarationNode * DeclarationNode::newTypeDecl( const string * name, DeclarationNode * typeParams ) {
355 DeclarationNode * newnode = newName( name );
356 newnode->type = new TypeData( TypeData::Symbolic );
357 newnode->type->symbolic.isTypedef = false;
358 newnode->type->symbolic.params = typeParams;
359 return newnode;
360} // DeclarationNode::newTypeDecl
361
362DeclarationNode * DeclarationNode::newPointer( DeclarationNode * qualifiers, OperKinds kind ) {
363 DeclarationNode * newnode = new DeclarationNode;
364 newnode->type = new TypeData( kind == OperKinds::PointTo ? TypeData::Pointer : TypeData::Reference );
365 if ( kind == OperKinds::And ) {
366 // T && is parsed as 'And' operator rather than two references => add a second reference type
367 TypeData * td = new TypeData( TypeData::Reference );
368 td->base = newnode->type;
369 newnode->type = td;
370 }
371 if ( qualifiers ) {
372 return newnode->addQualifiers( qualifiers );
373 } else {
374 return newnode;
375 } // if
376} // DeclarationNode::newPointer
377
378DeclarationNode * DeclarationNode::newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic ) {
379 DeclarationNode * newnode = new DeclarationNode;
380 newnode->type = new TypeData( TypeData::Array );
381 newnode->type->array.dimension = size;
382 newnode->type->array.isStatic = isStatic;
383 if ( newnode->type->array.dimension == nullptr || newnode->type->array.dimension->isExpressionType<ConstantExpr * >() ) {
384 newnode->type->array.isVarLen = false;
385 } else {
386 newnode->type->array.isVarLen = true;
387 } // if
388 return newnode->addQualifiers( qualifiers );
389} // DeclarationNode::newArray
390
391DeclarationNode * DeclarationNode::newVarArray( DeclarationNode * qualifiers ) {
392 DeclarationNode * newnode = new DeclarationNode;
393 newnode->type = new TypeData( TypeData::Array );
394 newnode->type->array.dimension = nullptr;
395 newnode->type->array.isStatic = false;
396 newnode->type->array.isVarLen = true;
397 return newnode->addQualifiers( qualifiers );
398}
399
400DeclarationNode * DeclarationNode::newBitfield( ExpressionNode * size ) {
401 DeclarationNode * newnode = new DeclarationNode;
402 newnode->bitfieldWidth = size;
403 return newnode;
404}
405
406DeclarationNode * DeclarationNode::newTuple( DeclarationNode * members ) {
407 DeclarationNode * newnode = new DeclarationNode;
408 newnode->type = new TypeData( TypeData::Tuple );
409 newnode->type->tuple = members;
410 return newnode;
411}
412
413DeclarationNode * DeclarationNode::newTypeof( ExpressionNode * expr, bool basetypeof ) {
414 DeclarationNode * newnode = new DeclarationNode;
415 newnode->type = new TypeData( basetypeof ? TypeData::Basetypeof : TypeData::Typeof );
416 newnode->type->typeexpr = expr;
417 return newnode;
418}
419
420DeclarationNode * DeclarationNode::newVtableType( DeclarationNode * decl ) {
421 DeclarationNode * newnode = new DeclarationNode;
422 newnode->type = new TypeData( TypeData::Vtable );
423 newnode->setBase( decl->type );
424 return newnode;
425}
426
427DeclarationNode * DeclarationNode::newBuiltinType( BuiltinType bt ) {
428 DeclarationNode * newnode = new DeclarationNode;
429 newnode->type = new TypeData( TypeData::Builtin );
430 newnode->builtin = bt;
431 newnode->type->builtintype = newnode->builtin;
432 return newnode;
433} // DeclarationNode::newBuiltinType
434
435DeclarationNode * DeclarationNode::newFunction( const string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body ) {
436 DeclarationNode * newnode = newName( name );
437 newnode->type = new TypeData( TypeData::Function );
438 newnode->type->function.params = param;
439 newnode->type->function.body = body;
440
441 if ( ret ) {
442 newnode->type->base = ret->type;
443 ret->type = nullptr;
444 delete ret;
445 } // if
446
447 return newnode;
448} // DeclarationNode::newFunction
449
450DeclarationNode * DeclarationNode::newAttribute( const string * name, ExpressionNode * expr ) {
451 DeclarationNode * newnode = new DeclarationNode;
452 newnode->type = nullptr;
453 std::list< Expression * > exprs;
454 buildList( expr, exprs );
455 newnode->attributes.push_back( new Attribute( *name, exprs ) );
456 delete name;
457 return newnode;
458}
459
460DeclarationNode * DeclarationNode::newDirectiveStmt( StatementNode * stmt ) {
461 DeclarationNode * newnode = new DeclarationNode;
462 newnode->directiveStmt = stmt;
463 return newnode;
464}
465
466DeclarationNode * DeclarationNode::newAsmStmt( StatementNode * stmt ) {
467 DeclarationNode * newnode = new DeclarationNode;
468 newnode->asmStmt = stmt;
469 return newnode;
470}
471
472DeclarationNode * DeclarationNode::newStaticAssert( ExpressionNode * condition, Expression * message ) {
473 DeclarationNode * newnode = new DeclarationNode;
474 newnode->assert.condition = condition;
475 newnode->assert.message = message;
476 return newnode;
477}
478
479
480void appendError( string & dst, const string & src ) {
481 if ( src.empty() ) return;
482 if ( dst.empty() ) { dst = src; return; }
483 dst += ", " + src;
484} // appendError
485
486void DeclarationNode::checkQualifiers( const TypeData * src, const TypeData * dst ) {
487 const Type::Qualifiers qsrc = src->qualifiers, qdst = dst->qualifiers; // optimization
488
489 if ( (qsrc & qdst).any() ) { // duplicates ?
490 for ( unsigned int i = 0; i < Type::NumTypeQualifier; i += 1 ) { // find duplicates
491 if ( qsrc[i] && qdst[i] ) {
492 appendError( error, string( "duplicate " ) + Type::QualifiersNames[i] );
493 } // if
494 } // for
495 } // for
496} // DeclarationNode::checkQualifiers
497
498void DeclarationNode::checkSpecifiers( DeclarationNode * src ) {
499 if ( (funcSpecs & src->funcSpecs).any() ) { // duplicates ?
500 for ( unsigned int i = 0; i < Type::NumFuncSpecifier; i += 1 ) { // find duplicates
501 if ( funcSpecs[i] && src->funcSpecs[i] ) {
502 appendError( error, string( "duplicate " ) + Type::FuncSpecifiersNames[i] );
503 } // if
504 } // for
505 } // if
506
507 if ( storageClasses.any() && src->storageClasses.any() ) { // any reason to check ?
508 if ( (storageClasses & src->storageClasses ).any() ) { // duplicates ?
509 for ( unsigned int i = 0; i < Type::NumStorageClass; i += 1 ) { // find duplicates
510 if ( storageClasses[i] && src->storageClasses[i] ) {
511 appendError( error, string( "duplicate " ) + Type::StorageClassesNames[i] );
512 } // if
513 } // for
514 // src is the new item being added and has a single bit
515 } else if ( ! src->storageClasses.is_threadlocal_any() ) { // conflict ?
516 appendError( error, string( "conflicting " )
517 + Type::StorageClassesNames[storageClasses.ffs()]
518 + " & " + Type::StorageClassesNames[src->storageClasses.ffs()] );
519 src->storageClasses.reset(); // FIX to preserve invariant of one basic storage specifier
520 } // if
521 } // if
522
523 appendError( error, src->error );
524} // DeclarationNode::checkSpecifiers
525
526DeclarationNode * DeclarationNode::copySpecifiers( DeclarationNode * q ) {
527 funcSpecs |= q->funcSpecs;
528 storageClasses |= q->storageClasses;
529
530 for ( Attribute * attr: reverseIterate( q->attributes ) ) {
531 attributes.push_front( attr->clone() );
532 } // for
533 return this;
534} // DeclarationNode::copySpecifiers
535
536static void addQualifiersToType( TypeData *& src, TypeData * dst ) {
537 if ( dst->base ) {
538 addQualifiersToType( src, dst->base );
539 } else if ( dst->kind == TypeData::Function ) {
540 dst->base = src;
541 src = nullptr;
542 } else {
543 dst->qualifiers |= src->qualifiers;
544 } // if
545} // addQualifiersToType
546
547DeclarationNode * DeclarationNode::addQualifiers( DeclarationNode * q ) {
548 if ( ! q ) { return this; } // empty qualifier
549
550 checkSpecifiers( q );
551 copySpecifiers( q );
552
553 if ( ! q->type ) { delete q; return this; }
554
555 if ( ! type ) {
556 type = q->type; // reuse structure
557 q->type = nullptr;
558 delete q;
559 return this;
560 } // if
561
562 if ( q->type->forall ) { // forall qualifier ?
563 if ( type->forall ) { // polymorphic routine ?
564 type->forall->appendList( q->type->forall ); // augment forall qualifier
565 } else {
566 if ( type->kind == TypeData::Aggregate ) { // struct/union ?
567 if ( type->aggregate.params ) { // polymorphic ?
568 type->aggregate.params->appendList( q->type->forall ); // augment forall qualifier
569 } else { // not polymorphic
570 type->aggregate.params = q->type->forall; // set forall qualifier
571 } // if
572 } else { // not polymorphic
573 type->forall = q->type->forall; // make polymorphic routine
574 } // if
575 } // if
576 q->type->forall = nullptr; // forall qualifier moved
577 } // if
578
579 checkQualifiers( type, q->type );
580 if ( (builtin == Zero || builtin == One) && q->type->qualifiers.any() && error.length() == 0 ) {
581 SemanticWarning( yylloc, Warning::BadQualifiersZeroOne, builtinTypeNames[builtin] );
582 } // if
583 addQualifiersToType( q->type, type );
584
585 delete q;
586 return this;
587} // addQualifiers
588
589static void addTypeToType( TypeData *& src, TypeData *& dst ) {
590 if ( src->forall && dst->kind == TypeData::Function ) {
591 if ( dst->forall ) {
592 dst->forall->appendList( src->forall );
593 } else {
594 dst->forall = src->forall;
595 } // if
596 src->forall = nullptr;
597 } // if
598 if ( dst->base ) {
599 addTypeToType( src, dst->base );
600 } else {
601 switch ( dst->kind ) {
602 case TypeData::Unknown:
603 src->qualifiers |= dst->qualifiers;
604 dst = src;
605 src = nullptr;
606 break;
607 case TypeData::Basic:
608 dst->qualifiers |= src->qualifiers;
609 if ( src->kind != TypeData::Unknown ) {
610 assert( src->kind == TypeData::Basic );
611
612 if ( dst->basictype == DeclarationNode::NoBasicType ) {
613 dst->basictype = src->basictype;
614 } else if ( src->basictype != DeclarationNode::NoBasicType )
615 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::basicTypeNames[ src->basictype ] + " in type: " );
616
617 if ( dst->complextype == DeclarationNode::NoComplexType ) {
618 dst->complextype = src->complextype;
619 } else if ( src->complextype != DeclarationNode::NoComplexType )
620 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::complexTypeNames[ src->complextype ] + " in type: " );
621
622 if ( dst->signedness == DeclarationNode::NoSignedness ) {
623 dst->signedness = src->signedness;
624 } else if ( src->signedness != DeclarationNode::NoSignedness )
625 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::signednessNames[ src->signedness ] + " in type: " );
626
627 if ( dst->length == DeclarationNode::NoLength ) {
628 dst->length = src->length;
629 } else if ( dst->length == DeclarationNode::Long && src->length == DeclarationNode::Long ) {
630 dst->length = DeclarationNode::LongLong;
631 } else if ( src->length != DeclarationNode::NoLength )
632 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::lengthNames[ src->length ] + " in type: " );
633 } // if
634 break;
635 default:
636 switch ( src->kind ) {
637 case TypeData::Aggregate:
638 case TypeData::Enum:
639 dst->base = new TypeData( TypeData::AggregateInst );
640 dst->base->aggInst.aggregate = src;
641 if ( src->kind == TypeData::Aggregate ) {
642 dst->base->aggInst.params = maybeClone( src->aggregate.actuals );
643 } // if
644 dst->base->qualifiers |= src->qualifiers;
645 src = nullptr;
646 break;
647 default:
648 if ( dst->forall ) {
649 dst->forall->appendList( src->forall );
650 } else {
651 dst->forall = src->forall;
652 } // if
653 src->forall = nullptr;
654 dst->base = src;
655 src = nullptr;
656 } // switch
657 } // switch
658 } // if
659}
660
661DeclarationNode * DeclarationNode::addType( DeclarationNode * o ) {
662 if ( o ) {
663 checkSpecifiers( o );
664 copySpecifiers( o );
665 if ( o->type ) {
666 if ( ! type ) {
667 if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) {
668 type = new TypeData( TypeData::AggregateInst );
669 type->aggInst.aggregate = o->type;
670 if ( o->type->kind == TypeData::Aggregate ) {
671 type->aggInst.hoistType = o->type->aggregate.body;
672 type->aggInst.params = maybeClone( o->type->aggregate.actuals );
673 } else {
674 type->aggInst.hoistType = o->type->enumeration.body;
675 } // if
676 type->qualifiers |= o->type->qualifiers;
677 } else {
678 type = o->type;
679 } // if
680 o->type = nullptr;
681 } else {
682 addTypeToType( o->type, type );
683 } // if
684 } // if
685 if ( o->bitfieldWidth ) {
686 bitfieldWidth = o->bitfieldWidth;
687 } // if
688
689 // there may be typedefs chained onto the type
690 if ( o->get_next() ) {
691 set_last( o->get_next()->clone() );
692 } // if
693 } // if
694 delete o;
695
696 return this;
697}
698
699DeclarationNode * DeclarationNode::addEnumBase( DeclarationNode * o ) {
700 if ( o && o -> type) {
701 type->base= o->type;
702 }
703 delete o;
704 return this;
705}
706
707DeclarationNode * DeclarationNode::addTypedef() {
708 TypeData * newtype = new TypeData( TypeData::Symbolic );
709 newtype->symbolic.params = nullptr;
710 newtype->symbolic.isTypedef = true;
711 newtype->symbolic.name = name ? new string( *name ) : nullptr;
712 newtype->base = type;
713 type = newtype;
714 return this;
715}
716
717DeclarationNode * DeclarationNode::addAssertions( DeclarationNode * assertions ) {
718 if ( variable.tyClass != TypeDecl::NUMBER_OF_KINDS ) {
719 if ( variable.assertions ) {
720 variable.assertions->appendList( assertions );
721 } else {
722 variable.assertions = assertions;
723 } // if
724 return this;
725 } // if
726
727 assert( type );
728 switch ( type->kind ) {
729 case TypeData::Symbolic:
730 if ( type->symbolic.assertions ) {
731 type->symbolic.assertions->appendList( assertions );
732 } else {
733 type->symbolic.assertions = assertions;
734 } // if
735 break;
736 default:
737 assert( false );
738 } // switch
739
740 return this;
741}
742
743DeclarationNode * DeclarationNode::addName( string * newname ) {
744 assert( ! name );
745 name = newname;
746 return this;
747}
748
749DeclarationNode * DeclarationNode::addAsmName( DeclarationNode * newname ) {
750 assert( ! asmName );
751 asmName = newname ? newname->asmName : nullptr;
752 return this->addQualifiers( newname );
753}
754
755DeclarationNode * DeclarationNode::addBitfield( ExpressionNode * size ) {
756 bitfieldWidth = size;
757 return this;
758}
759
760DeclarationNode * DeclarationNode::addVarArgs() {
761 assert( type );
762 hasEllipsis = true;
763 return this;
764}
765
766DeclarationNode * DeclarationNode::addFunctionBody( StatementNode * body, ExpressionNode * withExprs ) {
767 assert( type );
768 assert( type->kind == TypeData::Function );
769 assert( ! type->function.body );
770 type->function.body = body;
771 type->function.withExprs = withExprs;
772 return this;
773}
774
775DeclarationNode * DeclarationNode::addOldDeclList( DeclarationNode * list ) {
776 assert( type );
777 assert( type->kind == TypeData::Function );
778 assert( ! type->function.oldDeclList );
779 type->function.oldDeclList = list;
780 return this;
781}
782
783DeclarationNode * DeclarationNode::setBase( TypeData * newType ) {
784 if ( type ) {
785 TypeData * prevBase = type;
786 TypeData * curBase = type->base;
787 while ( curBase != nullptr ) {
788 prevBase = curBase;
789 curBase = curBase->base;
790 } // while
791 prevBase->base = newType;
792 } else {
793 type = newType;
794 } // if
795 return this;
796}
797
798DeclarationNode * DeclarationNode::copyAttribute( DeclarationNode * a ) {
799 if ( a ) {
800 for ( Attribute *attr: reverseIterate( a->attributes ) ) {
801 attributes.push_front( attr );
802 } // for
803 a->attributes.clear();
804 } // if
805 return this;
806} // copyAttribute
807
808DeclarationNode * DeclarationNode::addPointer( DeclarationNode * p ) {
809 if ( p ) {
810 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
811 setBase( p->type );
812 p->type = nullptr;
813 copyAttribute( p );
814 delete p;
815 } // if
816 return this;
817}
818
819DeclarationNode * DeclarationNode::addArray( DeclarationNode * a ) {
820 if ( a ) {
821 assert( a->type->kind == TypeData::Array );
822 setBase( a->type );
823 a->type = nullptr;
824 copyAttribute( a );
825 delete a;
826 } // if
827 return this;
828}
829
830DeclarationNode * DeclarationNode::addNewPointer( DeclarationNode * p ) {
831 if ( p ) {
832 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
833 if ( type ) {
834 switch ( type->kind ) {
835 case TypeData::Aggregate:
836 case TypeData::Enum:
837 p->type->base = new TypeData( TypeData::AggregateInst );
838 p->type->base->aggInst.aggregate = type;
839 if ( type->kind == TypeData::Aggregate ) {
840 p->type->base->aggInst.params = maybeClone( type->aggregate.actuals );
841 } // if
842 p->type->base->qualifiers |= type->qualifiers;
843 break;
844
845 default:
846 p->type->base = type;
847 } // switch
848 type = nullptr;
849 } // if
850 delete this;
851 return p;
852 } else {
853 return this;
854 } // if
855}
856
857static TypeData * findLast( TypeData * a ) {
858 assert( a );
859 TypeData * cur = a;
860 while ( cur->base ) {
861 cur = cur->base;
862 } // while
863 return cur;
864}
865
866DeclarationNode * DeclarationNode::addNewArray( DeclarationNode * a ) {
867 if ( ! a ) return this;
868 assert( a->type->kind == TypeData::Array );
869 TypeData * lastArray = findLast( a->type );
870 if ( type ) {
871 switch ( type->kind ) {
872 case TypeData::Aggregate:
873 case TypeData::Enum:
874 lastArray->base = new TypeData( TypeData::AggregateInst );
875 lastArray->base->aggInst.aggregate = type;
876 if ( type->kind == TypeData::Aggregate ) {
877 lastArray->base->aggInst.params = maybeClone( type->aggregate.actuals );
878 } // if
879 lastArray->base->qualifiers |= type->qualifiers;
880 break;
881 default:
882 lastArray->base = type;
883 } // switch
884 type = nullptr;
885 } // if
886 delete this;
887 return a;
888}
889
890DeclarationNode * DeclarationNode::addParamList( DeclarationNode * params ) {
891 TypeData * ftype = new TypeData( TypeData::Function );
892 ftype->function.params = params;
893 setBase( ftype );
894 return this;
895}
896
897static TypeData * addIdListToType( TypeData * type, DeclarationNode * ids ) {
898 if ( type ) {
899 if ( type->kind != TypeData::Function ) {
900 type->base = addIdListToType( type->base, ids );
901 } else {
902 type->function.idList = ids;
903 } // if
904 return type;
905 } else {
906 TypeData * newtype = new TypeData( TypeData::Function );
907 newtype->function.idList = ids;
908 return newtype;
909 } // if
910} // addIdListToType
911
912DeclarationNode * DeclarationNode::addIdList( DeclarationNode * ids ) {
913 type = addIdListToType( type, ids );
914 return this;
915}
916
917DeclarationNode * DeclarationNode::addInitializer( InitializerNode * init ) {
918 initializer = init;
919 return this;
920}
921
922DeclarationNode * DeclarationNode::addTypeInitializer( DeclarationNode * init ) {
923 assertf( variable.tyClass != TypeDecl::NUMBER_OF_KINDS, "Called addTypeInitializer on something that isn't a type variable." );
924 variable.initializer = init;
925 return this;
926}
927
928DeclarationNode * DeclarationNode::cloneType( string * name ) {
929 DeclarationNode * newnode = newName( name );
930 newnode->type = maybeClone( type );
931 newnode->copySpecifiers( this );
932 return newnode;
933}
934
935DeclarationNode * DeclarationNode::cloneBaseType( DeclarationNode * o ) {
936 if ( ! o ) return nullptr;
937
938 o->copySpecifiers( this );
939 if ( type ) {
940 TypeData * srcType = type;
941
942 // search for the base type by scanning off pointers and array designators
943 while ( srcType->base ) {
944 srcType = srcType->base;
945 } // while
946
947 TypeData * newType = srcType->clone();
948 if ( newType->kind == TypeData::AggregateInst ) {
949 // don't duplicate members
950 if ( newType->aggInst.aggregate->kind == TypeData::Enum ) {
951 delete newType->aggInst.aggregate->enumeration.constants;
952 newType->aggInst.aggregate->enumeration.constants = nullptr;
953 newType->aggInst.aggregate->enumeration.body = false;
954 } else {
955 assert( newType->aggInst.aggregate->kind == TypeData::Aggregate );
956 delete newType->aggInst.aggregate->aggregate.fields;
957 newType->aggInst.aggregate->aggregate.fields = nullptr;
958 newType->aggInst.aggregate->aggregate.body = false;
959 } // if
960 // don't hoist twice
961 newType->aggInst.hoistType = false;
962 } // if
963
964 newType->forall = maybeClone( type->forall );
965 if ( ! o->type ) {
966 o->type = newType;
967 } else {
968 addTypeToType( newType, o->type );
969 delete newType;
970 } // if
971 } // if
972 return o;
973}
974
975DeclarationNode * DeclarationNode::extractAggregate() const {
976 if ( type ) {
977 TypeData * ret = typeextractAggregate( type );
978 if ( ret ) {
979 DeclarationNode * newnode = new DeclarationNode;
980 newnode->type = ret;
981 return newnode;
982 } // if
983 } // if
984 return nullptr;
985}
986
987void buildList( const DeclarationNode * firstNode, std::list< Declaration * > & outputList ) {
988 SemanticErrorException errors;
989 std::back_insert_iterator< std::list< Declaration * > > out( outputList );
990
991 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
992 try {
993 bool extracted = false, anon = false;
994 AggregateDecl * unionDecl = nullptr;
995
996 if ( DeclarationNode * extr = cur->extractAggregate() ) {
997 // Handle the case where a SUE declaration is contained within an object or type declaration.
998
999 assert( cur->type );
1000 // Replace anonymous SUE name with typedef name to prevent anonymous naming problems across translation units.
1001 if ( cur->type->kind == TypeData::Symbolic && cur->type->symbolic.isTypedef ) {
1002 assert( extr->type );
1003 // Handle anonymous aggregates: typedef struct { int i; } foo
1004 extr->type->qualifiers.reset(); // clear any CVs associated with the aggregate
1005 if ( extr->type->kind == TypeData::Aggregate && extr->type->aggregate.anon ) {
1006 delete extr->type->aggregate.name;
1007 extr->type->aggregate.name = new string( "__anonymous_" + *cur->name );
1008 extr->type->aggregate.anon = false;
1009 assert( cur->type->base );
1010 if ( cur->type->base ) {
1011 delete cur->type->base->aggInst.aggregate->aggregate.name;
1012 cur->type->base->aggInst.aggregate->aggregate.name = new string( "__anonymous_" + *cur->name );
1013 cur->type->base->aggInst.aggregate->aggregate.anon = false;
1014 cur->type->base->aggInst.aggregate->qualifiers.reset();
1015 } // if
1016 } // if
1017 // Handle anonymous enumeration: typedef enum { A, B, C } foo
1018 if ( extr->type->kind == TypeData::Enum && extr->type->enumeration.anon ) {
1019 delete extr->type->enumeration.name;
1020 extr->type->enumeration.name = new string( "__anonymous_" + *cur->name );
1021 extr->type->enumeration.anon = false;
1022 assert( cur->type->base );
1023 if ( cur->type->base ) {
1024 delete cur->type->base->aggInst.aggregate->enumeration.name;
1025 cur->type->base->aggInst.aggregate->enumeration.name = new string( "__anonymous_" + *cur->name );
1026 cur->type->base->aggInst.aggregate->enumeration.anon = false;
1027 } // if
1028 } // if
1029 } // if
1030
1031 Declaration * decl = extr->build();
1032 if ( decl ) {
1033 // Remember the declaration if it is a union aggregate ?
1034 unionDecl = dynamic_cast<UnionDecl *>( decl );
1035
1036 decl->location = cur->location;
1037 *out++ = decl;
1038
1039 // need to remember the cases where a declaration contains an anonymous aggregate definition
1040 extracted = true;
1041 assert( extr->type );
1042 if ( extr->type->kind == TypeData::Aggregate ) {
1043 // typedef struct { int A } B is the only case?
1044 anon = extr->type->aggregate.anon;
1045 } else if ( extr->type->kind == TypeData::Enum ) {
1046 // typedef enum { A } B is the only case?
1047 anon = extr->type->enumeration.anon;
1048 }
1049 } // if
1050 delete extr;
1051 } // if
1052
1053 Declaration * decl = cur->build();
1054 if ( decl ) {
1055 if ( TypedefDecl * typedefDecl = dynamic_cast<TypedefDecl *>( decl ) ) {
1056 if ( unionDecl ) { // is the typedef alias a union aggregate ?
1057 // This code handles a special issue with the attribute transparent_union.
1058 //
1059 // typedef union U { int i; } typedef_name __attribute__(( aligned(16) )) __attribute__(( transparent_union ))
1060 //
1061 // Here the attribute aligned goes with the typedef_name, so variables declared of this type are
1062 // aligned. However, the attribute transparent_union must be moved from the typedef_name to
1063 // alias union U. Currently, this is the only know attribute that must be moved from typedef to
1064 // alias.
1065
1066 // If typedef is an alias for a union, then its alias type was hoisted above and remembered.
1067 if ( UnionInstType * unionInstType = dynamic_cast<UnionInstType *>( typedefDecl->base ) ) {
1068 // Remove all transparent_union attributes from typedef and move to alias union.
1069 list<Attribute *>::iterator attr;
1070 for ( attr = unionInstType->attributes.begin(); attr != unionInstType->attributes.end(); ) { // forward order
1071 if ( (*attr)->name == "transparent_union" || (*attr)->name == "__transparent_union__" ) {
1072 list<Attribute *>::iterator cur = attr; // remember current node
1073 attr++; // advance iterator
1074 unionDecl->attributes.emplace_back( *cur ); // move current
1075 unionInstType->attributes.erase( cur ); // remove current
1076 } else {
1077 attr++; // advance iterator
1078 } // if
1079 } // for
1080 } // if
1081 } // if
1082 } // if
1083
1084 // don't include anonymous declaration for named aggregates, but do include them for anonymous aggregates, e.g.:
1085 // struct S {
1086 // struct T { int x; }; // no anonymous member
1087 // struct { int y; }; // anonymous member
1088 // struct T; // anonymous member
1089 // };
1090 if ( ! (extracted && decl->name == "" && ! anon && ! cur->get_inLine()) ) {
1091 if ( decl->name == "" ) {
1092 if ( DeclarationWithType * dwt = dynamic_cast<DeclarationWithType *>( decl ) ) {
1093 if ( ReferenceToType * aggr = dynamic_cast<ReferenceToType *>( dwt->get_type() ) ) {
1094 if ( aggr->name.find("anonymous") == std::string::npos ) {
1095 if ( ! cur->get_inLine() ) {
1096 // temporary: warn about anonymous member declarations of named types, since
1097 // this conflicts with the syntax for the forward declaration of an anonymous type
1098 SemanticWarning( cur->location, Warning::AggrForwardDecl, aggr->name.c_str() );
1099 } // if
1100 } // if
1101 } // if
1102 } // if
1103 } // if
1104 decl->location = cur->location;
1105 *out++ = decl;
1106 } // if
1107 } // if
1108 } catch( SemanticErrorException & e ) {
1109 errors.append( e );
1110 } // try
1111 } // for
1112
1113 if ( ! errors.isEmpty() ) {
1114 throw errors;
1115 } // if
1116} // buildList
1117
1118// currently only builds assertions, function parameters, and return values
1119void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > & outputList ) {
1120 SemanticErrorException errors;
1121 std::back_insert_iterator< std::list< DeclarationWithType * > > out( outputList );
1122
1123 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
1124 try {
1125 Declaration * decl = cur->build();
1126 assert( decl );
1127 if ( DeclarationWithType * dwt = dynamic_cast< DeclarationWithType * >( decl ) ) {
1128 dwt->location = cur->location;
1129 *out++ = dwt;
1130 } else if ( StructDecl * agg = dynamic_cast< StructDecl * >( decl ) ) {
1131 // e.g., int foo(struct S) {}
1132 StructInstType * inst = new StructInstType( Type::Qualifiers(), agg->name );
1133 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1134 obj->location = cur->location;
1135 *out++ = obj;
1136 delete agg;
1137 } else if ( UnionDecl * agg = dynamic_cast< UnionDecl * >( decl ) ) {
1138 // e.g., int foo(union U) {}
1139 UnionInstType * inst = new UnionInstType( Type::Qualifiers(), agg->name );
1140 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1141 obj->location = cur->location;
1142 *out++ = obj;
1143 } else if ( EnumDecl * agg = dynamic_cast< EnumDecl * >( decl ) ) {
1144 // e.g., int foo(enum E) {}
1145 EnumInstType * inst = new EnumInstType( Type::Qualifiers(), agg->name );
1146 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1147 obj->location = cur->location;
1148 *out++ = obj;
1149 } // if
1150 } catch( SemanticErrorException & e ) {
1151 errors.append( e );
1152 } // try
1153 } // for
1154
1155 if ( ! errors.isEmpty() ) {
1156 throw errors;
1157 } // if
1158} // buildList
1159
1160void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > & outputList ) {
1161 SemanticErrorException errors;
1162 std::back_insert_iterator< std::list< Type * > > out( outputList );
1163 const DeclarationNode * cur = firstNode;
1164
1165 while ( cur ) {
1166 try {
1167 * out++ = cur->buildType();
1168 } catch( SemanticErrorException & e ) {
1169 errors.append( e );
1170 } // try
1171 cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
1172 } // while
1173
1174 if ( ! errors.isEmpty() ) {
1175 throw errors;
1176 } // if
1177} // buildTypeList
1178
1179Declaration * DeclarationNode::build() const {
1180 if ( ! error.empty() ) SemanticError( this, error + " in declaration of " );
1181
1182 if ( asmStmt ) {
1183 return new AsmDecl( strict_dynamic_cast<AsmStmt *>( asmStmt->build() ) );
1184 } // if
1185 if ( directiveStmt ) {
1186 return new DirectiveDecl( strict_dynamic_cast<DirectiveStmt *>( directiveStmt->build() ) );
1187 } // if
1188
1189 if ( variable.tyClass != TypeDecl::NUMBER_OF_KINDS ) {
1190 // otype is internally converted to dtype + otype parameters
1191 static const TypeDecl::Kind kindMap[] = { TypeDecl::Dtype, TypeDecl::Dtype, TypeDecl::Dtype, TypeDecl::Ftype, TypeDecl::Ttype, TypeDecl::Dimension };
1192 static_assert( sizeof(kindMap) / sizeof(kindMap[0]) == TypeDecl::NUMBER_OF_KINDS, "DeclarationNode::build: kindMap is out of sync." );
1193 assertf( variable.tyClass < sizeof(kindMap)/sizeof(kindMap[0]), "Variable's tyClass is out of bounds." );
1194 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 );
1195 buildList( variable.assertions, ret->get_assertions() );
1196 return ret;
1197 } // if
1198
1199 if ( type ) {
1200 // Function specifiers can only appear on a function definition/declaration.
1201 //
1202 // inline _Noreturn int f(); // allowed
1203 // inline _Noreturn int g( int i ); // allowed
1204 // inline _Noreturn int i; // disallowed
1205 if ( type->kind != TypeData::Function && funcSpecs.any() ) {
1206 SemanticError( this, "invalid function specifier for " );
1207 } // if
1208 // Forall qualifier can only appear on a function/aggregate definition/declaration.
1209 //
1210 // forall int f(); // allowed
1211 // forall int g( int i ); // allowed
1212 // forall int i; // disallowed
1213 if ( type->kind != TypeData::Function && type->forall ) {
1214 SemanticError( this, "invalid type qualifier for " );
1215 } // if
1216 bool isDelete = initializer && initializer->get_isDelete();
1217 Declaration * decl = buildDecl( type, name ? *name : string( "" ), storageClasses, maybeBuild( bitfieldWidth ), funcSpecs, linkage, asmName, isDelete ? nullptr : maybeBuild(initializer), attributes )->set_extension( extension );
1218 if ( isDelete ) {
1219 DeclarationWithType * dwt = strict_dynamic_cast<DeclarationWithType *>( decl );
1220 dwt->isDeleted = true;
1221 }
1222 return decl;
1223 } // if
1224
1225 if ( assert.condition ) {
1226 return new StaticAssertDecl( maybeBuild( assert.condition ), strict_dynamic_cast< ConstantExpr * >( maybeClone( assert.message ) ) );
1227 }
1228
1229 // SUE's cannot have function specifiers, either
1230 //
1231 // inline _Noreturn struct S { ... }; // disallowed
1232 // inline _Noreturn enum E { ... }; // disallowed
1233 if ( funcSpecs.any() ) {
1234 SemanticError( this, "invalid function specifier for " );
1235 } // if
1236 if ( enumInLine ) {
1237 return new InlineMemberDecl( *name, storageClasses, linkage, nullptr );
1238 } // if
1239 assertf( name, "ObjectDecl must a have name\n" );
1240 return (new ObjectDecl( *name, storageClasses, linkage, maybeBuild( bitfieldWidth ), nullptr, maybeBuild( initializer ) ))->set_asmName( asmName )->set_extension( extension );
1241}
1242
1243Type * DeclarationNode::buildType() const {
1244 assert( type );
1245
1246 switch ( type->kind ) {
1247 case TypeData::Enum:
1248 case TypeData::Aggregate: {
1249 ReferenceToType * ret = buildComAggInst( type, attributes, linkage );
1250 buildList( type->aggregate.actuals, ret->get_parameters() );
1251 return ret;
1252 }
1253 case TypeData::Symbolic: {
1254 TypeInstType * ret = new TypeInstType( buildQualifiers( type ), *type->symbolic.name, false, attributes );
1255 buildList( type->symbolic.actuals, ret->get_parameters() );
1256 return ret;
1257 }
1258 default:
1259 Type * simpletypes = typebuild( type );
1260 simpletypes->get_attributes() = attributes; // copy because member is const
1261 return simpletypes;
1262 } // switch
1263}
1264
1265// Local Variables: //
1266// tab-width: 4 //
1267// mode: c++ //
1268// compile-command: "make install" //
1269// End: //
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