source: src/Parser/TypeData.cpp@ 8492b85

Last change on this file since 8492b85 was 0e6cf54c, checked in by JiadaL <j82liang@…>, 15 months ago

Revert change: enumerator cannot be implicitly const
  • Property mode set to 100644
File size: 48.8 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// TypeData.cpp --
8//
9// Author : Rodolfo G. Esteves
10// Created On : Sat May 16 15:12:51 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Fri Feb 23 08:58:30 2024
13// Update Count : 734
14//
15
16#include "TypeData.hpp"
17
18#include <cassert> // for assert
19#include <ostream> // for operator<<, ostream, basic_ostream
20
21#include "AST/Attribute.hpp" // for Attribute
22#include "AST/Decl.hpp" // for AggregateDecl, ObjectDecl, Type...
23#include "AST/Init.hpp" // for SingleInit, ListInit
24#include "AST/Print.hpp" // for print
25#include "AST/Type.hpp" // for Type
26#include "Common/SemanticError.hpp" // for SemanticError
27#include "Common/Utility.hpp" // for splice, spliceBegin
28#include "Common/Iterate.hpp" // for reverseIterate
29#include "Parser/ExpressionNode.hpp" // for ExpressionNode
30#include "Parser/StatementNode.hpp" // for StatementNode
31
32class Attribute;
33
34using namespace std;
35
36// These must harmonize with the corresponding enumerations in the header.
37const char * TypeData::basicTypeNames[] = {
38 "void", "_Bool", "char", "int", "int128",
39 "float", "double", "long double", "float80", "float128",
40 "_float16", "_float32", "_float32x", "_float64", "_float64x", "_float128", "_float128x",
41 "NoBasicTypeNames"
42};
43const char * TypeData::complexTypeNames[] = {
44 "_Complex", "NoComplexTypeNames", "_Imaginary"
45}; // Imaginary unsupported => parse, but make invisible and print error message
46const char * TypeData::signednessNames[] = {
47 "signed", "unsigned", "NoSignednessNames"
48};
49const char * TypeData::lengthNames[] = {
50 "short", "long", "long long", "NoLengthNames"
51};
52const char * TypeData::builtinTypeNames[] = {
53 "__builtin_va_list", "__auto_type", "zero_t", "one_t", "NoBuiltinTypeNames"
54};
55
56TypeData::TypeData( Kind k ) : location( yylloc ), kind( k ), base( nullptr ), forall( nullptr ) /*, PTR1( (void*)(0xdeadbeefdeadbeef)), PTR2( (void*)(0xdeadbeefdeadbeef) ) */ {
57 switch ( kind ) {
58 case Unknown:
59 case Pointer:
60 case Reference:
61 case EnumConstant:
62 case GlobalScope:
63 case Basic:
64 // No unique data to initialize.
65 break;
66 case Array:
67 array.dimension = nullptr;
68 array.isVarLen = false;
69 array.isStatic = false;
70 break;
71 case Function:
72 function.params = nullptr;
73 function.idList = nullptr;
74 function.oldDeclList = nullptr;
75 function.body = nullptr;
76 function.withExprs = nullptr;
77 break;
78 case Aggregate:
79 aggregate.kind = ast::AggregateDecl::NoAggregate;
80 aggregate.name = nullptr;
81 aggregate.params = nullptr;
82 aggregate.actuals = nullptr;
83 aggregate.fields = nullptr;
84 aggregate.body = false;
85 aggregate.anon = false;
86 aggregate.isCfa = false;
87 aggregate.hiding = EnumHiding::Visible;
88 break;
89 case AggregateInst:
90 aggInst.aggregate = nullptr;
91 aggInst.params = nullptr;
92 aggInst.hoistType = false;
93 break;
94 case Symbolic:
95 case SymbolicInst:
96 symbolic.name = nullptr;
97 symbolic.params = nullptr;
98 symbolic.actuals = nullptr;
99 symbolic.assertions = nullptr;
100 break;
101 case Tuple:
102 tuple = nullptr;
103 break;
104 case Typeof:
105 case Basetypeof:
106 typeexpr = nullptr;
107 break;
108 case Vtable:
109 case Builtin:
110 // No unique data to initialize.
111 break;
112 case Qualified:
113 qualified.parent = nullptr;
114 qualified.child = nullptr;
115 break;
116 } // switch
117} // TypeData::TypeData
118
119
120TypeData::~TypeData() {
121 delete base;
122 delete forall;
123
124 switch ( kind ) {
125 case Unknown:
126 case Pointer:
127 case Reference:
128 case EnumConstant:
129 case GlobalScope:
130 case Basic:
131 // No unique data to deconstruct.
132 break;
133 case Array:
134 delete array.dimension;
135 break;
136 case Function:
137 delete function.params;
138 delete function.idList;
139 delete function.oldDeclList;
140 delete function.body;
141 delete function.withExprs;
142 break;
143 case Aggregate:
144 delete aggregate.name;
145 delete aggregate.params;
146 delete aggregate.actuals;
147 delete aggregate.fields;
148 break;
149 case AggregateInst:
150 delete aggInst.aggregate;
151 delete aggInst.params;
152 break;
153 case Symbolic:
154 case SymbolicInst:
155 delete symbolic.name;
156 delete symbolic.params;
157 delete symbolic.actuals;
158 delete symbolic.assertions;
159 break;
160 case Tuple:
161 delete tuple;
162 break;
163 case Typeof:
164 case Basetypeof:
165 delete typeexpr;
166 break;
167 case Vtable:
168 case Builtin:
169 // No unique data to deconstruct.
170 break;
171 case Qualified:
172 delete qualified.parent;
173 delete qualified.child;
174 break;
175 } // switch
176} // TypeData::~TypeData
177
178
179TypeData * TypeData::clone() const {
180 TypeData * newtype = new TypeData( kind );
181 newtype->qualifiers = qualifiers;
182 newtype->base = maybeCopy( base );
183 newtype->forall = maybeCopy( forall );
184
185 switch ( kind ) {
186 case Unknown:
187 case EnumConstant:
188 case Pointer:
189 case Reference:
190 case GlobalScope:
191 // nothing else to copy
192 break;
193 case Basic:
194 newtype->basictype = basictype;
195 newtype->complextype = complextype;
196 newtype->signedness = signedness;
197 newtype->length = length;
198 break;
199 case Array:
200 newtype->array.dimension = maybeCopy( array.dimension );
201 newtype->array.isVarLen = array.isVarLen;
202 newtype->array.isStatic = array.isStatic;
203 break;
204 case Function:
205 newtype->function.params = maybeCopy( function.params );
206 newtype->function.idList = maybeCopy( function.idList );
207 newtype->function.oldDeclList = maybeCopy( function.oldDeclList );
208 newtype->function.body = maybeCopy( function.body );
209 newtype->function.withExprs = maybeCopy( function.withExprs );
210 break;
211 case Aggregate:
212 newtype->aggregate.kind = aggregate.kind;
213 newtype->aggregate.name = aggregate.name ? new string( *aggregate.name ) : nullptr;
214 newtype->aggregate.params = maybeCopy( aggregate.params );
215 newtype->aggregate.actuals = maybeCopy( aggregate.actuals );
216 newtype->aggregate.fields = maybeCopy( aggregate.fields );
217 newtype->aggregate.attributes = aggregate.attributes;
218 newtype->aggregate.body = aggregate.body;
219 newtype->aggregate.anon = aggregate.anon;
220 newtype->aggregate.isCfa = aggregate.isCfa;
221 newtype->aggregate.hiding = aggregate.hiding;
222 break;
223 case AggregateInst:
224 newtype->aggInst.aggregate = maybeCopy( aggInst.aggregate );
225 newtype->aggInst.params = maybeCopy( aggInst.params );
226 newtype->aggInst.hoistType = aggInst.hoistType;
227 break;
228 case Symbolic:
229 case SymbolicInst:
230 newtype->symbolic.name = symbolic.name ? new string( *symbolic.name ) : nullptr;
231 newtype->symbolic.params = maybeCopy( symbolic.params );
232 newtype->symbolic.actuals = maybeCopy( symbolic.actuals );
233 newtype->symbolic.assertions = maybeCopy( symbolic.assertions );
234 newtype->symbolic.isTypedef = symbolic.isTypedef;
235 break;
236 case Tuple:
237 newtype->tuple = maybeCopy( tuple );
238 break;
239 case Typeof:
240 case Basetypeof:
241 newtype->typeexpr = maybeCopy( typeexpr );
242 break;
243 case Vtable:
244 break;
245 case Builtin:
246 assert( builtintype == Zero || builtintype == One );
247 newtype->builtintype = builtintype;
248 break;
249 case Qualified:
250 newtype->qualified.parent = maybeCopy( qualified.parent );
251 newtype->qualified.child = maybeCopy( qualified.child );
252 break;
253 } // switch
254 return newtype;
255} // TypeData::clone
256
257
258void TypeData::print( ostream &os, int indent ) const {
259 ast::print( os, qualifiers );
260
261 if ( forall ) {
262 os << "forall " << endl;
263 forall->printList( os, indent + 4 );
264 } // if
265
266 switch ( kind ) {
267 case Basic:
268 if ( signedness != NoSignedness ) os << signednessNames[ signedness ] << " ";
269 if ( length != NoLength ) os << lengthNames[ length ] << " ";
270 if ( complextype != NoComplexType ) os << complexTypeNames[ complextype ] << " ";
271 if ( basictype != NoBasicType ) os << basicTypeNames[ basictype ] << " ";
272 break;
273 case Pointer:
274 os << "pointer ";
275 if ( base ) {
276 os << "to ";
277 base->print( os, indent );
278 } // if
279 break;
280 case Reference:
281 os << "reference ";
282 if ( base ) {
283 os << "to ";
284 base->print( os, indent );
285 } // if
286 break;
287 case Array:
288 if ( array.isStatic ) {
289 os << "static ";
290 } // if
291 if ( array.dimension ) {
292 os << "array of ";
293 array.dimension->printOneLine( os, indent );
294 } else if ( array.isVarLen ) {
295 os << "variable-length array of ";
296 } else {
297 os << "open array of ";
298 } // if
299 if ( base ) {
300 base->print( os, indent );
301 } // if
302 break;
303 case Function:
304 os << "function" << endl;
305 if ( function.params ) {
306 os << string( indent + 2, ' ' ) << "with parameters " << endl;
307 function.params->printList( os, indent + 4 );
308 } else {
309 os << string( indent + 2, ' ' ) << "with no parameters" << endl;
310 } // if
311 if ( function.idList ) {
312 os << string( indent + 2, ' ' ) << "with old-style identifier list " << endl;
313 function.idList->printList( os, indent + 4 );
314 } // if
315 if ( function.oldDeclList ) {
316 os << string( indent + 2, ' ' ) << "with old-style declaration list " << endl;
317 function.oldDeclList->printList( os, indent + 4 );
318 } // if
319 os << string( indent + 2, ' ' ) << "returning ";
320 if ( base ) {
321 base->print( os, indent + 4 );
322 } else {
323 os << "nothing ";
324 } // if
325 os << endl;
326 if ( function.body ) {
327 os << string( indent + 2, ' ' ) << "with body " << endl;
328 function.body->printList( os, indent + 2 );
329 } // if
330 break;
331 case Aggregate:
332 os << ast::AggregateDecl::aggrString( aggregate.kind ) << ' ' << *aggregate.name << endl;
333 if ( aggregate.params ) {
334 os << string( indent + 2, ' ' ) << "with type parameters" << endl;
335 aggregate.params->printList( os, indent + 4 );
336 } // if
337 if ( aggregate.actuals ) {
338 os << string( indent + 2, ' ' ) << "instantiated with actual parameters" << endl;
339 aggregate.actuals->printList( os, indent + 4 );
340 } // if
341 if ( aggregate.fields ) {
342 os << string( indent + 2, ' ' ) << "with members" << endl;
343 aggregate.fields->printList( os, indent + 4 );
344 } // if
345 if ( aggregate.body ) {
346 os << string( indent + 2, ' ' ) << "with body" << endl;
347 } // if
348 if ( ! aggregate.attributes.empty() ) {
349 os << string( indent + 2, ' ' ) << "with attributes" << endl;
350 for ( ast::ptr<ast::Attribute> const & attr : reverseIterate( aggregate.attributes ) ) {
351 os << string( indent + 4, ' ' );
352 ast::print( os, attr, indent + 2 );
353 } // for
354 } // if
355 break;
356 case AggregateInst:
357 if ( aggInst.aggregate ) {
358 os << "instance of " ;
359 aggInst.aggregate->print( os, indent );
360 } else {
361 os << "instance of an unspecified aggregate ";
362 } // if
363 if ( aggInst.params ) {
364 os << string( indent + 2, ' ' ) << "with parameters" << endl;
365 aggInst.params->printList( os, indent + 2 );
366 } // if
367 break;
368 case EnumConstant:
369 os << "enumeration constant ";
370 break;
371 case Symbolic:
372 if ( symbolic.isTypedef ) {
373 os << "typedef definition ";
374 } else {
375 os << "type definition ";
376 } // if
377 if ( symbolic.params ) {
378 os << endl << string( indent + 2, ' ' ) << "with parameters" << endl;
379 symbolic.params->printList( os, indent + 2 );
380 } // if
381 if ( symbolic.assertions ) {
382 os << endl << string( indent + 2, ' ' ) << "with assertions" << endl;
383 symbolic.assertions->printList( os, indent + 4 );
384 os << string( indent + 2, ' ' );
385 } // if
386 if ( base ) {
387 os << "for ";
388 base->print( os, indent + 2 );
389 } // if
390 break;
391 case SymbolicInst:
392 os << *symbolic.name;
393 if ( symbolic.actuals ) {
394 os << "(";
395 symbolic.actuals->printList( os, indent + 2 );
396 os << ")";
397 } // if
398 break;
399 case Tuple:
400 os << "tuple ";
401 if ( tuple ) {
402 os << "with members" << endl;
403 tuple->printList( os, indent + 2 );
404 } // if
405 break;
406 case Basetypeof:
407 os << "base-";
408 #if defined(__GNUC__) && __GNUC__ >= 7
409 __attribute__((fallthrough));
410 #endif
411 // FALL THROUGH
412 case Typeof:
413 os << "type-of expression ";
414 if ( typeexpr ) {
415 typeexpr->print( os, indent + 2 );
416 } // if
417 break;
418 case Vtable:
419 os << "vtable";
420 break;
421 case Builtin:
422 os << builtinTypeNames[builtintype];
423 break;
424 case GlobalScope:
425 break;
426 case Qualified:
427 qualified.parent->print( os );
428 os << ".";
429 qualified.child->print( os );
430 break;
431 case Unknown:
432 os << "entity of unknown type ";
433 break;
434 default:
435 os << "internal error: TypeData::print " << kind << endl;
436 assert( false );
437 } // switch
438} // TypeData::print
439
440const std::string * TypeData::leafName() const {
441 switch ( kind ) {
442 case Unknown:
443 case Pointer:
444 case Reference:
445 case EnumConstant:
446 case GlobalScope:
447 case Array:
448 case Basic:
449 case Function:
450 case AggregateInst:
451 case Tuple:
452 case Typeof:
453 case Basetypeof:
454 case Builtin:
455 case Vtable:
456 assertf(false, "Tried to get leaf name from kind without a name: %d", kind);
457 break;
458 case Aggregate:
459 return aggregate.name;
460 case Symbolic:
461 case SymbolicInst:
462 return symbolic.name;
463 case Qualified:
464 return qualified.child->leafName();
465 } // switch
466 assert(false);
467}
468
469TypeData * TypeData::getLastBase() {
470 TypeData * cur = this;
471 while ( cur->base ) cur = cur->base;
472 return cur;
473}
474
475void TypeData::setLastBase( TypeData * newBase ) {
476 getLastBase()->base = newBase;
477}
478
479
480// Wrap an aggregate up in an instance. Takes and gives ownership.
481static TypeData * makeInstance( TypeData * type ) {
482 assert( TypeData::Aggregate == type->kind );
483 TypeData * out = new TypeData( TypeData::AggregateInst );
484 out->aggInst.aggregate = type;
485 out->aggInst.params = maybeCopy( type->aggregate.actuals );
486 out->aggInst.hoistType = type->aggregate.body;
487 out->qualifiers |= type->qualifiers;
488 return out;
489}
490
491
492TypeData * build_type_qualifier( ast::CV::Qualifiers tq ) {
493 TypeData * type = new TypeData;
494 type->qualifiers = tq;
495 return type;
496}
497
498TypeData * build_basic_type( TypeData::BasicType basic ) {
499 TypeData * type = new TypeData( TypeData::Basic );
500 type->basictype = basic;
501 return type;
502}
503
504TypeData * build_complex_type( TypeData::ComplexType complex ) {
505 TypeData * type = new TypeData( TypeData::Basic );
506 type->complextype = complex;
507 return type;
508}
509
510TypeData * build_signedness( TypeData::Signedness signedness ) {
511 TypeData * type = new TypeData( TypeData::Basic );
512 type->signedness = signedness;
513 return type;
514}
515
516TypeData * build_builtin_type( TypeData::BuiltinType bit ) {
517 TypeData * type = new TypeData( TypeData::Builtin );
518 type->builtintype = bit;
519 return type;
520}
521
522TypeData * build_length( TypeData::Length length ) {
523 TypeData * type = new TypeData( TypeData::Basic );
524 type->length = length;
525 return type;
526}
527
528TypeData * build_forall( DeclarationNode * forall ) {
529 TypeData * type = new TypeData( TypeData::Unknown );
530 type->forall = forall;
531 return type;
532}
533
534TypeData * build_global_scope() {
535 return new TypeData( TypeData::GlobalScope );
536}
537
538TypeData * build_qualified_type( TypeData * parent, TypeData * child ) {
539 TypeData * type = new TypeData( TypeData::Qualified );
540 type->qualified.parent = parent;
541 type->qualified.child = child;
542 return type;
543}
544
545TypeData * build_typedef( const std::string * name ) {
546 TypeData * type = new TypeData( TypeData::SymbolicInst );
547 type->symbolic.name = name;
548 type->symbolic.isTypedef = true;
549 type->symbolic.actuals = nullptr;
550 return type;
551}
552
553TypeData * build_type_gen( const std::string * name, ExpressionNode * params ) {
554 TypeData * type = new TypeData( TypeData::SymbolicInst );
555 type->symbolic.name = name;
556 type->symbolic.isTypedef = false;
557 type->symbolic.actuals = params;
558 return type;
559}
560
561TypeData * build_vtable_type( TypeData * base ) {
562 TypeData * type = new TypeData( TypeData::Vtable );
563 type->base = base;
564 return type;
565}
566
567// Takes ownership of src.
568static void addQualifiersToType( TypeData * dst, TypeData * src ) {
569 if ( dst->base ) {
570 addQualifiersToType( dst->base, src );
571 } else if ( dst->kind == TypeData::Function ) {
572 dst->base = src;
573 src = nullptr;
574 } else {
575 dst->qualifiers |= src->qualifiers;
576 delete src;
577 } // if
578}
579
580// Takes ownership of all arguments, gives ownership of return value.
581TypeData * addQualifiers( TypeData * dst, TypeData * src ) {
582 if ( src->forall ) {
583 if ( dst->forall || TypeData::Aggregate != dst->kind ) {
584 extend( dst->forall, src->forall );
585 } else {
586 extend( dst->aggregate.params, src->forall );
587 }
588 src->forall = nullptr;
589 }
590
591 addQualifiersToType( dst, src );
592 return dst;
593}
594
595// Helper for addType and cloneBaseType.
596static void addTypeToType( TypeData *& dst, TypeData *& src ) {
597 if ( src->forall && dst->kind == TypeData::Function ) {
598 extend( dst->forall, src->forall );
599 src->forall = nullptr;
600 } // if
601 if ( dst->base ) {
602 addTypeToType( dst->base, src );
603 return;
604 }
605 switch ( dst->kind ) {
606 case TypeData::Unknown:
607 src->qualifiers |= dst->qualifiers;
608 // LEAKS dst?
609 dst = src;
610 src = nullptr;
611 break;
612 case TypeData::Basic:
613 dst->qualifiers |= src->qualifiers;
614 if ( src->kind != TypeData::Unknown ) {
615 assert( src->kind == TypeData::Basic );
616
617 if ( dst->basictype == TypeData::NoBasicType ) {
618 dst->basictype = src->basictype;
619 } else if ( src->basictype != TypeData::NoBasicType ) {
620 SemanticError( yylloc, "multiple declaration types \"%s\" and \"%s\".",
621 TypeData::basicTypeNames[ dst->basictype ],
622 TypeData::basicTypeNames[ src->basictype ] );
623 }
624 if ( dst->complextype == TypeData::NoComplexType ) {
625 dst->complextype = src->complextype;
626 } else if ( src->complextype != TypeData::NoComplexType ) {
627 SemanticError( yylloc, "multiple declaration types \"%s\" and \"%s\".",
628 TypeData::complexTypeNames[ src->complextype ],
629 TypeData::complexTypeNames[ src->complextype ] );
630 }
631 if ( dst->signedness == TypeData::NoSignedness ) {
632 dst->signedness = src->signedness;
633 } else if ( src->signedness != TypeData::NoSignedness ) {
634 SemanticError( yylloc, "conflicting type specifier \"%s\" and \"%s\".",
635 TypeData::signednessNames[ dst->signedness ],
636 TypeData::signednessNames[ src->signedness ] );
637 }
638 if ( dst->length == TypeData::NoLength ) {
639 dst->length = src->length;
640 } else if ( dst->length == TypeData::Long && src->length == TypeData::Long ) {
641 dst->length = TypeData::LongLong;
642 } else if ( src->length != TypeData::NoLength ) {
643 SemanticError( yylloc, "conflicting type specifier \"%s\" and \"%s\".",
644 TypeData::lengthNames[ dst->length ],
645 TypeData::lengthNames[ src->length ] );
646 }
647 } // if
648 break;
649 default:
650 if ( TypeData::Aggregate == src->kind ) {
651 dst->base = makeInstance( src );
652 } else {
653 extend( dst->forall, src->forall );
654 src->forall = nullptr;
655 dst->base = src;
656 }
657 src = nullptr;
658 } // switch
659}
660
661// Takes ownership of all arguments, gives ownership of return value.
662TypeData * addType( TypeData * dst, TypeData * src, std::vector<ast::ptr<ast::Attribute>> & attributes ) {
663 if ( dst ) {
664 addTypeToType( dst, src );
665 } else if ( src->kind == TypeData::Aggregate ) {
666 // Hide type information aggregate instances.
667 dst = makeInstance( src );
668 dst->aggInst.aggregate->aggregate.attributes.swap( attributes );
669 } else {
670 dst = src;
671 } // if
672 return dst;
673}
674
675TypeData * addType( TypeData * dst, TypeData * src ) {
676 std::vector<ast::ptr<ast::Attribute>> attributes;
677 return addType( dst, src, attributes );
678}
679
680// Takes ownership of both arguments, gives ownership of return value.
681TypeData * cloneBaseType( TypeData * type, TypeData * other ) {
682 TypeData * newType = type->getLastBase()->clone();
683 if ( newType->kind == TypeData::AggregateInst ) {
684 // don't duplicate members
685 assert( newType->aggInst.aggregate->kind == TypeData::Aggregate );
686 delete newType->aggInst.aggregate->aggregate.fields;
687 newType->aggInst.aggregate->aggregate.fields = nullptr;
688 newType->aggInst.aggregate->aggregate.body = false;
689 // don't hoist twice
690 newType->aggInst.hoistType = false;
691 } // if
692 newType->forall = maybeCopy( type->forall );
693
694 if ( other ) {
695 addTypeToType( other, newType );
696 delete newType;
697 return other;
698 } // if
699 return newType;
700}
701
702TypeData * makeNewBase( TypeData * type ) {
703 return ( TypeData::Aggregate == type->kind ) ? makeInstance( type ) : type;
704}
705
706
707void buildForall(
708 const DeclarationNode * firstNode,
709 std::vector<ast::ptr<ast::TypeInstType>> &outputList ) {
710 {
711 std::vector<ast::ptr<ast::Type>> tmpList;
712 buildTypeList( firstNode, tmpList );
713 for ( auto tmp : tmpList ) {
714 outputList.emplace_back(
715 strict_dynamic_cast<const ast::TypeInstType *>(
716 tmp.release() ) );
717 }
718 }
719 auto n = firstNode;
720 for ( auto i = outputList.begin() ;
721 i != outputList.end() ;
722 ++i, n = n->next ) {
723 // Only the object type class adds additional assertions.
724 if ( n->variable.tyClass != ast::TypeDecl::Otype ) {
725 continue;
726 }
727
728 ast::TypeDecl const * td = i->strict_as<ast::TypeDecl>();
729 std::vector<ast::ptr<ast::DeclWithType>> newAssertions;
730 auto mutTypeDecl = ast::mutate( td );
731 const CodeLocation & location = mutTypeDecl->location;
732 *i = mutTypeDecl;
733
734 // add assertion parameters to `type' tyvars in reverse order
735 // add assignment operator: T * ?=?(T *, T)
736 newAssertions.push_back( new ast::FunctionDecl(
737 location,
738 "?=?",
739 {}, // forall
740 {}, // assertions
741 {
742 new ast::ObjectDecl(
743 location,
744 "",
745 new ast::ReferenceType( i->get() ),
746 (ast::Init *)nullptr,
747 ast::Storage::Classes(),
748 ast::Linkage::Cforall,
749 (ast::Expr *)nullptr
750 ),
751 new ast::ObjectDecl(
752 location,
753 "",
754 i->get(),
755 (ast::Init *)nullptr,
756 ast::Storage::Classes(),
757 ast::Linkage::Cforall,
758 (ast::Expr *)nullptr
759 ),
760 }, // params
761 {
762 new ast::ObjectDecl(
763 location,
764 "",
765 i->get(),
766 (ast::Init *)nullptr,
767 ast::Storage::Classes(),
768 ast::Linkage::Cforall,
769 (ast::Expr *)nullptr
770 ),
771 }, // returns
772 (ast::CompoundStmt *)nullptr,
773 ast::Storage::Classes(),
774 ast::Linkage::Cforall
775 ) );
776
777 // add default ctor: void ?{}(T *)
778 newAssertions.push_back( new ast::FunctionDecl(
779 location,
780 "?{}",
781 {}, // forall
782 {}, // assertions
783 {
784 new ast::ObjectDecl(
785 location,
786 "",
787 new ast::ReferenceType( i->get() ),
788 (ast::Init *)nullptr,
789 ast::Storage::Classes(),
790 ast::Linkage::Cforall,
791 (ast::Expr *)nullptr
792 ),
793 }, // params
794 {}, // returns
795 (ast::CompoundStmt *)nullptr,
796 ast::Storage::Classes(),
797 ast::Linkage::Cforall
798 ) );
799
800 // add copy ctor: void ?{}(T *, T)
801 newAssertions.push_back( new ast::FunctionDecl(
802 location,
803 "?{}",
804 {}, // forall
805 {}, // assertions
806 {
807 new ast::ObjectDecl(
808 location,
809 "",
810 new ast::ReferenceType( i->get() ),
811 (ast::Init *)nullptr,
812 ast::Storage::Classes(),
813 ast::Linkage::Cforall,
814 (ast::Expr *)nullptr
815 ),
816 new ast::ObjectDecl(
817 location,
818 "",
819 i->get(),
820 (ast::Init *)nullptr,
821 ast::Storage::Classes(),
822 ast::Linkage::Cforall,
823 (ast::Expr *)nullptr
824 ),
825 }, // params
826 {}, // returns
827 (ast::CompoundStmt *)nullptr,
828 ast::Storage::Classes(),
829 ast::Linkage::Cforall
830 ) );
831
832 // add dtor: void ^?{}(T *)
833 newAssertions.push_back( new ast::FunctionDecl(
834 location,
835 "^?{}",
836 {}, // forall
837 {}, // assertions
838 {
839 new ast::ObjectDecl(
840 location,
841 "",
842 new ast::ReferenceType( i->get() ),
843 (ast::Init *)nullptr,
844 ast::Storage::Classes(),
845 ast::Linkage::Cforall,
846 (ast::Expr *)nullptr
847 ),
848 }, // params
849 {}, // returns
850 (ast::CompoundStmt *)nullptr,
851 ast::Storage::Classes(),
852 ast::Linkage::Cforall
853 ) );
854
855 spliceBegin( mutTypeDecl->assertions, newAssertions );
856 } // for
857}
858
859
860void buildForall(
861 const DeclarationNode * firstNode,
862 std::vector<ast::ptr<ast::TypeDecl>> &outputForall ) {
863 buildList( firstNode, outputForall );
864 auto n = firstNode;
865 for ( auto i = outputForall.begin() ;
866 i != outputForall.end() ;
867 ++i, n = n->next ) {
868 // Only the object type class adds additional assertions.
869 if ( n->variable.tyClass != ast::TypeDecl::Otype ) {
870 continue;
871 }
872
873 ast::TypeDecl const * td = i->strict_as<ast::TypeDecl>();
874 std::vector<ast::ptr<ast::DeclWithType>> newAssertions;
875 auto mutTypeDecl = ast::mutate( td );
876 const CodeLocation & location = mutTypeDecl->location;
877 *i = mutTypeDecl;
878
879 // add assertion parameters to `type' tyvars in reverse order
880 // add assignment operator: T * ?=?(T *, T)
881 newAssertions.push_back( new ast::FunctionDecl(
882 location,
883 "?=?",
884 {}, // forall
885 {}, // assertions
886 {
887 new ast::ObjectDecl(
888 location,
889 "",
890 new ast::ReferenceType( new ast::TypeInstType( td->name, *i ) ),
891 (ast::Init *)nullptr,
892 ast::Storage::Classes(),
893 ast::Linkage::Cforall,
894 (ast::Expr *)nullptr
895 ),
896 new ast::ObjectDecl(
897 location,
898 "",
899 new ast::TypeInstType( td->name, *i ),
900 (ast::Init *)nullptr,
901 ast::Storage::Classes(),
902 ast::Linkage::Cforall,
903 (ast::Expr *)nullptr
904 ),
905 }, // params
906 {
907 new ast::ObjectDecl(
908 location,
909 "",
910 new ast::TypeInstType( td->name, *i ),
911 (ast::Init *)nullptr,
912 ast::Storage::Classes(),
913 ast::Linkage::Cforall,
914 (ast::Expr *)nullptr
915 ),
916 }, // returns
917 (ast::CompoundStmt *)nullptr,
918 ast::Storage::Classes(),
919 ast::Linkage::Cforall
920 ) );
921
922 // add default ctor: void ?{}(T *)
923 newAssertions.push_back( new ast::FunctionDecl(
924 location,
925 "?{}",
926 {}, // forall
927 {}, // assertions
928 {
929 new ast::ObjectDecl(
930 location,
931 "",
932 new ast::ReferenceType(
933 new ast::TypeInstType( td->name, i->get() ) ),
934 (ast::Init *)nullptr,
935 ast::Storage::Classes(),
936 ast::Linkage::Cforall,
937 (ast::Expr *)nullptr
938 ),
939 }, // params
940 {}, // returns
941 (ast::CompoundStmt *)nullptr,
942 ast::Storage::Classes(),
943 ast::Linkage::Cforall
944 ) );
945
946 // add copy ctor: void ?{}(T *, T)
947 newAssertions.push_back( new ast::FunctionDecl(
948 location,
949 "?{}",
950 {}, // forall
951 {}, // assertions
952 {
953 new ast::ObjectDecl(
954 location,
955 "",
956 new ast::ReferenceType(
957 new ast::TypeInstType( td->name, *i ) ),
958 (ast::Init *)nullptr,
959 ast::Storage::Classes(),
960 ast::Linkage::Cforall,
961 (ast::Expr *)nullptr
962 ),
963 new ast::ObjectDecl(
964 location,
965 "",
966 new ast::TypeInstType( td->name, *i ),
967 (ast::Init *)nullptr,
968 ast::Storage::Classes(),
969 ast::Linkage::Cforall,
970 (ast::Expr *)nullptr
971 ),
972 }, // params
973 {}, // returns
974 (ast::CompoundStmt *)nullptr,
975 ast::Storage::Classes(),
976 ast::Linkage::Cforall
977 ) );
978
979 // add dtor: void ^?{}(T *)
980 newAssertions.push_back( new ast::FunctionDecl(
981 location,
982 "^?{}",
983 {}, // forall
984 {}, // assertions
985 {
986 new ast::ObjectDecl(
987 location,
988 "",
989 new ast::ReferenceType(
990 new ast::TypeInstType( i->get() )
991 ),
992 (ast::Init *)nullptr,
993 ast::Storage::Classes(),
994 ast::Linkage::Cforall,
995 (ast::Expr *)nullptr
996 ),
997 }, // params
998 {}, // returns
999 (ast::CompoundStmt *)nullptr,
1000 ast::Storage::Classes(),
1001 ast::Linkage::Cforall
1002 ) );
1003
1004 spliceBegin( mutTypeDecl->assertions, newAssertions );
1005 } // for
1006} // buildForall
1007
1008
1009ast::Type * typebuild( const TypeData * td ) {
1010 assert( td );
1011 switch ( td->kind ) {
1012 case TypeData::Unknown:
1013 // fill in implicit int
1014 return new ast::BasicType(
1015 ast::BasicKind::SignedInt,
1016 buildQualifiers( td )
1017 );
1018 case TypeData::Basic:
1019 return buildBasicType( td );
1020 case TypeData::Pointer:
1021 return buildPointer( td );
1022 case TypeData::Array:
1023 return buildArray( td );
1024 case TypeData::Reference:
1025 return buildReference( td );
1026 case TypeData::Function:
1027 return buildFunctionType( td );
1028 case TypeData::AggregateInst:
1029 return buildAggInst( td );
1030 case TypeData::EnumConstant:
1031 return new ast::EnumInstType( "", buildQualifiers( td ) );
1032 case TypeData::SymbolicInst:
1033 return buildSymbolicInst( td );
1034 case TypeData::Tuple:
1035 return buildTuple( td );
1036 case TypeData::Typeof:
1037 case TypeData::Basetypeof:
1038 return buildTypeof( td );
1039 case TypeData::Vtable:
1040 return buildVtable( td );
1041 case TypeData::Builtin:
1042 switch ( td->builtintype ) {
1043 case TypeData::Zero:
1044 return new ast::ZeroType();
1045 case TypeData::One:
1046 return new ast::OneType();
1047 default:
1048 return new ast::VarArgsType( buildQualifiers( td ) );
1049 } // switch
1050 case TypeData::GlobalScope:
1051 return new ast::GlobalScopeType();
1052 case TypeData::Qualified:
1053 return new ast::QualifiedType(
1054 typebuild( td->qualified.parent ),
1055 typebuild( td->qualified.child ),
1056 buildQualifiers( td )
1057 );
1058 case TypeData::Symbolic:
1059 case TypeData::Aggregate:
1060 assert( false );
1061 } // switch
1062
1063 return nullptr;
1064} // typebuild
1065
1066
1067TypeData * typeextractAggregate( const TypeData * td, bool toplevel ) {
1068 TypeData * ret = nullptr;
1069
1070 switch ( td->kind ) {
1071 case TypeData::Aggregate:
1072 if ( ! toplevel && td->aggregate.body ) {
1073 ret = td->clone();
1074 } // if
1075 break;
1076 case TypeData::AggregateInst:
1077 if ( td->aggInst.aggregate ) {
1078 ret = typeextractAggregate( td->aggInst.aggregate, false );
1079 } // if
1080 break;
1081 default:
1082 if ( td->base ) {
1083 ret = typeextractAggregate( td->base, false );
1084 } // if
1085 } // switch
1086 return ret;
1087} // typeextractAggregate
1088
1089
1090ast::CV::Qualifiers buildQualifiers( const TypeData * td ) {
1091 return td->qualifiers;
1092} // buildQualifiers
1093
1094
1095static string genTSError( string msg, TypeData::BasicType basictype ) {
1096 SemanticError( yylloc, "invalid type specifier \"%s\" for type \"%s\".", msg.c_str(), TypeData::basicTypeNames[basictype] );
1097} // genTSError
1098
1099ast::Type * buildBasicType( const TypeData * td ) {
1100 ast::BasicKind ret;
1101
1102 switch ( td->basictype ) {
1103 case TypeData::Void:
1104 if ( td->signedness != TypeData::NoSignedness ) {
1105 genTSError( TypeData::signednessNames[ td->signedness ], td->basictype );
1106 } // if
1107 if ( td->length != TypeData::NoLength ) {
1108 genTSError( TypeData::lengthNames[ td->length ], td->basictype );
1109 } // if
1110 return new ast::VoidType( buildQualifiers( td ) );
1111 break;
1112
1113 case TypeData::Bool:
1114 if ( td->signedness != TypeData::NoSignedness ) {
1115 genTSError( TypeData::signednessNames[ td->signedness ], td->basictype );
1116 } // if
1117 if ( td->length != TypeData::NoLength ) {
1118 genTSError( TypeData::lengthNames[ td->length ], td->basictype );
1119 } // if
1120
1121 ret = ast::BasicKind::Bool;
1122 break;
1123
1124 case TypeData::Char:
1125 // C11 Standard 6.2.5.15: The three types char, signed char, and unsigned char are collectively called the
1126 // character types. The implementation shall define char to have the same range, representation, and behavior as
1127 // either signed char or unsigned char.
1128 static ast::BasicKind chartype[] = { ast::BasicKind::SignedChar, ast::BasicKind::UnsignedChar, ast::BasicKind::Char };
1129
1130 if ( td->length != TypeData::NoLength ) {
1131 genTSError( TypeData::lengthNames[ td->length ], td->basictype );
1132 } // if
1133
1134 ret = chartype[ td->signedness ];
1135 break;
1136
1137 case TypeData::Int:
1138 static ast::BasicKind inttype[2][4] = {
1139 { ast::BasicKind::ShortSignedInt, ast::BasicKind::LongSignedInt, ast::BasicKind::LongLongSignedInt, ast::BasicKind::SignedInt },
1140 { ast::BasicKind::ShortUnsignedInt, ast::BasicKind::LongUnsignedInt, ast::BasicKind::LongLongUnsignedInt, ast::BasicKind::UnsignedInt },
1141 };
1142
1143 Integral: ;
1144 if ( td->signedness == TypeData::NoSignedness ) {
1145 const_cast<TypeData *>(td)->signedness = TypeData::Signed;
1146 } // if
1147 ret = inttype[ td->signedness ][ td->length ];
1148 break;
1149
1150 case TypeData::Int128:
1151 ret = td->signedness == TypeData::Unsigned ? ast::BasicKind::UnsignedInt128 : ast::BasicKind::SignedInt128;
1152 if ( td->length != TypeData::NoLength ) {
1153 genTSError( TypeData::lengthNames[ td->length ], td->basictype );
1154 } // if
1155 break;
1156
1157 case TypeData::Float:
1158 case TypeData::Double:
1159 case TypeData::LongDouble: // not set until below
1160 case TypeData::uuFloat80:
1161 case TypeData::uuFloat128:
1162 case TypeData::uFloat16:
1163 case TypeData::uFloat32:
1164 case TypeData::uFloat32x:
1165 case TypeData::uFloat64:
1166 case TypeData::uFloat64x:
1167 case TypeData::uFloat128:
1168 case TypeData::uFloat128x:
1169 static ast::BasicKind floattype[2][12] = {
1170 { ast::BasicKind::FloatComplex, ast::BasicKind::DoubleComplex, ast::BasicKind::LongDoubleComplex, (ast::BasicKind)-1, (ast::BasicKind)-1, ast::BasicKind::uFloat16Complex, ast::BasicKind::uFloat32Complex, ast::BasicKind::uFloat32xComplex, ast::BasicKind::uFloat64Complex, ast::BasicKind::uFloat64xComplex, ast::BasicKind::uFloat128Complex, ast::BasicKind::uFloat128xComplex, },
1171 { ast::BasicKind::Float, ast::BasicKind::Double, ast::BasicKind::LongDouble, ast::BasicKind::uuFloat80, ast::BasicKind::uuFloat128, ast::BasicKind::uFloat16, ast::BasicKind::uFloat32, ast::BasicKind::uFloat32x, ast::BasicKind::uFloat64, ast::BasicKind::uFloat64x, ast::BasicKind::uFloat128, ast::BasicKind::uFloat128x, },
1172 };
1173
1174 FloatingPoint: ;
1175 if ( td->signedness != TypeData::NoSignedness ) {
1176 genTSError( TypeData::signednessNames[ td->signedness ], td->basictype );
1177 } // if
1178 if ( td->length == TypeData::Short || td->length == TypeData::LongLong ) {
1179 genTSError( TypeData::lengthNames[ td->length ], td->basictype );
1180 } // if
1181 if ( td->basictype != TypeData::Double && td->length == TypeData::Long ) {
1182 genTSError( TypeData::lengthNames[ td->length ], td->basictype );
1183 } // if
1184 if ( td->complextype == TypeData::Imaginary ) {
1185 genTSError( TypeData::complexTypeNames[ td->complextype ], td->basictype );
1186 } // if
1187 if ( (td->basictype == TypeData::uuFloat80 || td->basictype == TypeData::uuFloat128) && td->complextype == TypeData::Complex ) { // gcc unsupported
1188 genTSError( TypeData::complexTypeNames[ td->complextype ], td->basictype );
1189 } // if
1190 if ( td->length == TypeData::Long ) {
1191 const_cast<TypeData *>(td)->basictype = TypeData::LongDouble;
1192 } // if
1193
1194 ret = floattype[ td->complextype ][ td->basictype - TypeData::Float ];
1195 //printf( "XXXX %d %d %d %d\n", td->complextype, td->basictype, TypeData::Float, ret );
1196 break;
1197
1198 case TypeData::NoBasicType:
1199 // No basic type in declaration => default double for Complex/Imaginary and int type for integral types
1200 if ( td->complextype == TypeData::Complex || td->complextype == TypeData::Imaginary ) {
1201 const_cast<TypeData *>(td)->basictype = TypeData::Double;
1202 goto FloatingPoint;
1203 } // if
1204
1205 const_cast<TypeData *>(td)->basictype = TypeData::Int;
1206 goto Integral;
1207 default:
1208 assertf( false, "unknown basic type" );
1209 return nullptr;
1210 } // switch
1211
1212 ast::BasicType * bt = new ast::BasicType( ret, buildQualifiers( td ) );
1213 return bt;
1214} // buildBasicType
1215
1216
1217static ast::Type * buildDefaultType( const TypeData * td ) {
1218 return ( td ) ? typebuild( td ) : new ast::BasicType( ast::BasicKind::SignedInt );
1219} // buildDefaultType
1220
1221
1222ast::PointerType * buildPointer( const TypeData * td ) {
1223 return new ast::PointerType(
1224 buildDefaultType( td->base ),
1225 buildQualifiers( td )
1226 );
1227} // buildPointer
1228
1229
1230ast::ArrayType * buildArray( const TypeData * td ) {
1231 return new ast::ArrayType(
1232 buildDefaultType( td->base ),
1233 maybeBuild( td->array.dimension ),
1234 td->array.isVarLen ? ast::VariableLen : ast::FixedLen,
1235 td->array.isStatic ? ast::StaticDim : ast::DynamicDim,
1236 buildQualifiers( td )
1237 );
1238} // buildArray
1239
1240
1241ast::ReferenceType * buildReference( const TypeData * td ) {
1242 return new ast::ReferenceType(
1243 buildDefaultType( td->base ),
1244 buildQualifiers( td )
1245 );
1246} // buildReference
1247
1248
1249ast::AggregateDecl * buildAggregate( const TypeData * td, std::vector<ast::ptr<ast::Attribute>> attributes, ast::Linkage::Spec linkage ) {
1250 assert( td->kind == TypeData::Aggregate );
1251 ast::AggregateDecl * at;
1252 switch ( td->aggregate.kind ) {
1253 case ast::AggregateDecl::Struct:
1254 case ast::AggregateDecl::Coroutine:
1255 case ast::AggregateDecl::Exception:
1256 case ast::AggregateDecl::Generator:
1257 case ast::AggregateDecl::Monitor:
1258 case ast::AggregateDecl::Thread:
1259 at = new ast::StructDecl( td->location,
1260 *td->aggregate.name,
1261 td->aggregate.kind,
1262 std::move( attributes ),
1263 linkage
1264 );
1265 buildForall( td->aggregate.params, at->params );
1266 break;
1267 case ast::AggregateDecl::Union:
1268 at = new ast::UnionDecl( td->location,
1269 *td->aggregate.name,
1270 std::move( attributes ),
1271 linkage
1272 );
1273 buildForall( td->aggregate.params, at->params );
1274 break;
1275 case ast::AggregateDecl::Enum:
1276 return buildEnum( td, std::move( attributes ), linkage );
1277 case ast::AggregateDecl::Trait:
1278 at = new ast::TraitDecl( td->location,
1279 *td->aggregate.name,
1280 std::move( attributes ),
1281 linkage
1282 );
1283 buildList( td->aggregate.params, at->params );
1284 break;
1285 default:
1286 assert( false );
1287 } // switch
1288
1289 buildList( td->aggregate.fields, at->members );
1290 at->set_body( td->aggregate.body );
1291
1292 return at;
1293} // buildAggregate
1294
1295
1296ast::BaseInstType * buildComAggInst(
1297 const TypeData * td,
1298 std::vector<ast::ptr<ast::Attribute>> && attributes,
1299 ast::Linkage::Spec linkage ) {
1300 switch ( td->kind ) {
1301 case TypeData::Aggregate:
1302 if ( td->aggregate.body ) {
1303 ast::AggregateDecl * typedecl =
1304 buildAggregate( td, std::move( attributes ), linkage );
1305 switch ( td->aggregate.kind ) {
1306 case ast::AggregateDecl::Struct:
1307 case ast::AggregateDecl::Coroutine:
1308 case ast::AggregateDecl::Monitor:
1309 case ast::AggregateDecl::Thread:
1310 return new ast::StructInstType(
1311 strict_dynamic_cast<ast::StructDecl *>( typedecl ),
1312 buildQualifiers( td )
1313 );
1314 case ast::AggregateDecl::Union:
1315 return new ast::UnionInstType(
1316 strict_dynamic_cast<ast::UnionDecl *>( typedecl ),
1317 buildQualifiers( td )
1318 );
1319 case ast::AggregateDecl::Enum:
1320 return new ast::EnumInstType(
1321 strict_dynamic_cast<ast::EnumDecl *>( typedecl ),
1322 buildQualifiers( td )
1323 );
1324 case ast::AggregateDecl::Trait:
1325 assert( false );
1326 break;
1327 default:
1328 assert( false );
1329 } // switch
1330 } else {
1331 switch ( td->aggregate.kind ) {
1332 case ast::AggregateDecl::Struct:
1333 case ast::AggregateDecl::Coroutine:
1334 case ast::AggregateDecl::Monitor:
1335 case ast::AggregateDecl::Thread:
1336 return new ast::StructInstType(
1337 *td->aggregate.name,
1338 buildQualifiers( td )
1339 );
1340 case ast::AggregateDecl::Union:
1341 return new ast::UnionInstType(
1342 *td->aggregate.name,
1343 buildQualifiers( td )
1344 );
1345 case ast::AggregateDecl::Enum:
1346 return new ast::EnumInstType(
1347 *td->aggregate.name,
1348 buildQualifiers( td )
1349 );
1350 case ast::AggregateDecl::Trait:
1351 return new ast::TraitInstType(
1352 *td->aggregate.name,
1353 buildQualifiers( td )
1354 );
1355 default:
1356 assert( false );
1357 } // switch
1358 break;
1359 } // if
1360 break;
1361 default:
1362 assert( false );
1363 } // switch
1364 assert( false );
1365} // buildAggInst
1366
1367
1368ast::BaseInstType * buildAggInst( const TypeData * td ) {
1369 assert( td->kind == TypeData::AggregateInst );
1370
1371 ast::BaseInstType * ret = nullptr;
1372 TypeData * type = td->aggInst.aggregate;
1373 switch ( type->kind ) {
1374 case TypeData::Aggregate:
1375 switch ( type->aggregate.kind ) {
1376 case ast::AggregateDecl::Struct:
1377 case ast::AggregateDecl::Coroutine:
1378 case ast::AggregateDecl::Monitor:
1379 case ast::AggregateDecl::Thread:
1380 ret = new ast::StructInstType(
1381 *type->aggregate.name,
1382 buildQualifiers( type )
1383 );
1384 break;
1385 case ast::AggregateDecl::Union:
1386 ret = new ast::UnionInstType(
1387 *type->aggregate.name,
1388 buildQualifiers( type )
1389 );
1390 break;
1391 case ast::AggregateDecl::Enum:
1392 ret = new ast::EnumInstType(
1393 *type->aggregate.name,
1394 buildQualifiers( type )
1395 );
1396 break;
1397 case ast::AggregateDecl::Trait:
1398 ret = new ast::TraitInstType(
1399 *type->aggregate.name,
1400 buildQualifiers( type )
1401 );
1402 break;
1403 default:
1404 assert( false );
1405 } // switch
1406 break;
1407 default:
1408 assert( false );
1409 } // switch
1410
1411 ret->hoistType = td->aggInst.hoistType;
1412 buildList( td->aggInst.params, ret->params );
1413 return ret;
1414} // buildAggInst
1415
1416
1417ast::NamedTypeDecl * buildSymbolic(
1418 const TypeData * td,
1419 std::vector<ast::ptr<ast::Attribute>> attributes,
1420 const std::string & name,
1421 ast::Storage::Classes scs,
1422 ast::Linkage::Spec linkage ) {
1423 assert( td->kind == TypeData::Symbolic );
1424 ast::NamedTypeDecl * ret;
1425 assert( td->base );
1426 if ( td->symbolic.isTypedef ) {
1427 ret = new ast::TypedefDecl(
1428 td->location,
1429 name,
1430 scs,
1431 typebuild( td->base ),
1432 linkage
1433 );
1434 } else {
1435 ret = new ast::TypeDecl(
1436 td->location,
1437 name,
1438 scs,
1439 typebuild( td->base ),
1440 ast::TypeDecl::Dtype,
1441 true
1442 );
1443 } // if
1444 buildList( td->symbolic.assertions, ret->assertions );
1445 splice( ret->base.get_and_mutate()->attributes, attributes );
1446 return ret;
1447} // buildSymbolic
1448
1449
1450ast::EnumDecl * buildEnum(
1451 const TypeData * td,
1452 std::vector<ast::ptr<ast::Attribute>> && attributes,
1453 ast::Linkage::Spec linkage ) {
1454 assert( td->kind == TypeData::Aggregate );
1455 assert( td->aggregate.kind == ast::AggregateDecl::Enum );
1456 ast::ptr<ast::Type> baseType = td->base ? typebuild(td->base) : nullptr;
1457
1458 ast::EnumDecl * ret = new ast::EnumDecl(
1459 td->location,
1460 *td->aggregate.name,
1461 td->aggregate.isCfa,
1462 std::move( attributes ),
1463 linkage,
1464 baseType
1465 );
1466 buildList( td->aggregate.fields, ret->members );
1467 auto members = ret->members.begin();
1468 ret->hide = td->aggregate.hiding == EnumHiding::Hide ? ast::EnumDecl::EnumHiding::Hide : ast::EnumDecl::EnumHiding::Visible;
1469 for ( const DeclarationNode * cur = td->aggregate.fields ; cur != nullptr ; cur = cur->next, ++members ) {
1470 if (cur->enumInLine) continue;
1471 ast::Decl * member = members->get_and_mutate();
1472 ast::ObjectDecl * object = strict_dynamic_cast<ast::ObjectDecl *>( member );
1473 object->isHidden = ast::EnumDecl::EnumHiding::Hide == ret->hide;
1474 if ( ret->isOpaque() && cur->has_enumeratorValue() ) {
1475 SemanticError( td->location, "Opague cannot have an explicit initializer value." );
1476 } else if ( cur->has_enumeratorValue() ) {
1477 ast::Expr * initValue;
1478 if (ret->isCfa && ret->base) {
1479 initValue = new ast::CastExpr( cur->enumeratorValue->location, maybeMoveBuild( cur->consume_enumeratorValue() ), ret->base );
1480 } else {
1481 initValue = maybeMoveBuild( cur->consume_enumeratorValue() );
1482 }
1483 object->init = new ast::SingleInit(
1484 td->location,
1485 initValue,
1486 ast::NoConstruct
1487 );
1488 }
1489 // else cur is a List Initializer and has been set as init in buildList()
1490 // if
1491 } // for
1492 ret->body = td->aggregate.body;
1493 return ret;
1494} // buildEnum
1495
1496
1497ast::TypeInstType * buildSymbolicInst( const TypeData * td ) {
1498 assert( td->kind == TypeData::SymbolicInst );
1499 ast::TypeInstType * ret = new ast::TypeInstType(
1500 *td->symbolic.name,
1501 ast::TypeDecl::Dtype,
1502 buildQualifiers( td )
1503 );
1504 buildList( td->symbolic.actuals, ret->params );
1505 return ret;
1506} // buildSymbolicInst
1507
1508
1509ast::TupleType * buildTuple( const TypeData * td ) {
1510 assert( td->kind == TypeData::Tuple );
1511 std::vector<ast::ptr<ast::Type>> types;
1512 buildTypeList( td->tuple, types );
1513 ast::TupleType * ret = new ast::TupleType(
1514 std::move( types ),
1515 buildQualifiers( td )
1516 );
1517 return ret;
1518} // buildTuple
1519
1520
1521ast::TypeofType * buildTypeof( const TypeData * td ) {
1522 assert( td->kind == TypeData::Typeof || td->kind == TypeData::Basetypeof );
1523 assert( td->typeexpr );
1524 return new ast::TypeofType(
1525 td->typeexpr->build(),
1526 td->kind == TypeData::Typeof
1527 ? ast::TypeofType::Typeof : ast::TypeofType::Basetypeof,
1528 buildQualifiers( td )
1529 );
1530} // buildTypeof
1531
1532
1533ast::VTableType * buildVtable( const TypeData * td ) {
1534 assert( td->base );
1535 return new ast::VTableType(
1536 typebuild( td->base ),
1537 buildQualifiers( td )
1538 );
1539} // buildVtable
1540
1541
1542ast::FunctionDecl * buildFunctionDecl(
1543 const TypeData * td,
1544 const string &name,
1545 ast::Storage::Classes scs,
1546 ast::Function::Specs funcSpec,
1547 ast::Linkage::Spec linkage,
1548 ast::Expr * asmName,
1549 std::vector<ast::ptr<ast::Attribute>> && attributes ) {
1550 assert( td->kind == TypeData::Function );
1551 // For some reason FunctionDecl takes a bool instead of an ArgumentFlag.
1552 bool isVarArgs = !td->function.params || td->function.params->hasEllipsis;
1553 ast::CV::Qualifiers cvq = buildQualifiers( td );
1554 std::vector<ast::ptr<ast::TypeDecl>> forall;
1555 std::vector<ast::ptr<ast::DeclWithType>> assertions;
1556 std::vector<ast::ptr<ast::DeclWithType>> params;
1557 std::vector<ast::ptr<ast::DeclWithType>> returns;
1558 buildList( td->function.params, params );
1559 buildForall( td->forall, forall );
1560 // Functions do not store their assertions there anymore.
1561 for ( ast::ptr<ast::TypeDecl> & type_param : forall ) {
1562 auto mut = type_param.get_and_mutate();
1563 splice( assertions, mut->assertions );
1564 }
1565 if ( td->base ) {
1566 switch ( td->base->kind ) {
1567 case TypeData::Tuple:
1568 buildList( td->base->tuple, returns );
1569 break;
1570 default:
1571 returns.push_back( dynamic_cast<ast::DeclWithType *>(
1572 buildDecl(
1573 td->base,
1574 "",
1575 ast::Storage::Classes(),
1576 (ast::Expr *)nullptr, // bitfieldWidth
1577 ast::Function::Specs(),
1578 ast::Linkage::Cforall,
1579 (ast::Expr *)nullptr // asmName
1580 )
1581 ) );
1582 } // switch
1583 } else {
1584 returns.push_back( new ast::ObjectDecl(
1585 td->location,
1586 "",
1587 new ast::BasicType( ast::BasicKind::SignedInt ),
1588 (ast::Init *)nullptr,
1589 ast::Storage::Classes(),
1590 ast::Linkage::Cforall
1591 ) );
1592 } // if
1593 ast::Stmt * stmt = maybeBuild( td->function.body );
1594 ast::CompoundStmt * body = dynamic_cast<ast::CompoundStmt *>( stmt );
1595 ast::FunctionDecl * decl = new ast::FunctionDecl( td->location,
1596 name,
1597 std::move( forall ),
1598 std::move( assertions ),
1599 std::move( params ),
1600 std::move( returns ),
1601 body,
1602 scs,
1603 linkage,
1604 std::move( attributes ),
1605 funcSpec,
1606 (isVarArgs) ? ast::VariableArgs : ast::FixedArgs
1607 );
1608 buildList( td->function.withExprs, decl->withExprs );
1609 decl->asmName = asmName;
1610 // This may be redundant on a declaration.
1611 decl->type.get_and_mutate()->qualifiers = cvq;
1612 return decl;
1613} // buildFunctionDecl
1614
1615
1616ast::Decl * buildDecl(
1617 const TypeData * td,
1618 const string &name,
1619 ast::Storage::Classes scs,
1620 ast::Expr * bitfieldWidth,
1621 ast::Function::Specs funcSpec,
1622 ast::Linkage::Spec linkage,
1623 ast::Expr * asmName,
1624 ast::Init * init,
1625 std::vector<ast::ptr<ast::Attribute>> && attributes ) {
1626 if ( td->kind == TypeData::Function ) {
1627 if ( td->function.idList ) { // KR function ?
1628 buildKRFunction( td->function ); // transform into C11 function
1629 } // if
1630
1631 return buildFunctionDecl(
1632 td, name, scs, funcSpec, linkage,
1633 asmName, std::move( attributes ) );
1634 } else if ( td->kind == TypeData::Aggregate ) {
1635 return buildAggregate( td, std::move( attributes ), linkage );
1636 } else if ( td->kind == TypeData::Symbolic ) {
1637 return buildSymbolic( td, std::move( attributes ), name, scs, linkage );
1638 } else {
1639 auto ret = new ast::ObjectDecl( td->location,
1640 name,
1641 typebuild( td ),
1642 init,
1643 scs,
1644 linkage,
1645 bitfieldWidth,
1646 std::move( attributes )
1647 );
1648 ret->asmName = asmName;
1649 return ret;
1650 } // if
1651 return nullptr;
1652} // buildDecl
1653
1654
1655ast::FunctionType * buildFunctionType( const TypeData * td ) {
1656 assert( td->kind == TypeData::Function );
1657 ast::FunctionType * ft = new ast::FunctionType(
1658 ( !td->function.params || td->function.params->hasEllipsis )
1659 ? ast::VariableArgs : ast::FixedArgs,
1660 buildQualifiers( td )
1661 );
1662 buildTypeList( td->function.params, ft->params );
1663 buildForall( td->forall, ft->forall );
1664 if ( td->base ) {
1665 switch ( td->base->kind ) {
1666 case TypeData::Tuple:
1667 buildTypeList( td->base->tuple, ft->returns );
1668 break;
1669 default:
1670 ft->returns.push_back( typebuild( td->base ) );
1671 break;
1672 } // switch
1673 } else {
1674 ft->returns.push_back(
1675 new ast::BasicType( ast::BasicKind::SignedInt ) );
1676 } // if
1677 return ft;
1678} // buildFunctionType
1679
1680
1681// Transform KR routine declarations into C99 routine declarations:
1682//
1683// rtn( a, b, c ) int a, c; double b {} => int rtn( int a, double c, int b ) {}
1684//
1685// The type information for each post-declaration is moved to the corresponding pre-parameter and the post-declaration
1686// is deleted. Note, the order of the parameter names may not be the same as the declaration names. Duplicate names and
1687// extra names are disallowed.
1688//
1689// Note, there is no KR routine-prototype syntax:
1690//
1691// rtn( a, b, c ) int a, c; double b; // invalid KR prototype
1692// rtn(); // valid KR prototype
1693
1694void buildKRFunction( const TypeData::Function_t & function ) {
1695 assert( ! function.params );
1696 // loop over declaration first as it is easier to spot errors
1697 for ( DeclarationNode * decl = function.oldDeclList; decl != nullptr; decl = decl->next ) {
1698 // scan ALL parameter names for each declaration name to check for duplicates
1699 for ( DeclarationNode * param = function.idList; param != nullptr; param = param->next ) {
1700 if ( *decl->name == *param->name ) {
1701 // type set => parameter name already transformed by a declaration names so there is a duplicate
1702 // declaration name attempting a second transformation
1703 if ( param->type ) SemanticError( param->location, "duplicate declaration name \"%s\".", param->name->c_str() );
1704 // declaration type reset => declaration already transformed by a parameter name so there is a duplicate
1705 // parameter name attempting a second transformation
1706 if ( ! decl->type ) SemanticError( param->location, "duplicate parameter name \"%s\".", param->name->c_str() );
1707 param->type = decl->type; // set copy declaration type to parameter type
1708 decl->type = nullptr; // reset declaration type
1709 // Copy and reset attributes from declaration to parameter:
1710 splice( param->attributes, decl->attributes );
1711 } // if
1712 } // for
1713 // declaration type still set => type not moved to a matching parameter so there is a missing parameter name
1714 if ( decl->type ) SemanticError( decl->location, "missing name in parameter list %s", decl->name->c_str() );
1715 } // for
1716
1717 // Parameter names without a declaration default to type int:
1718 //
1719 // rtb( a, b, c ) const char * b; {} => int rtn( int a, const char * b, int c ) {}
1720
1721 for ( DeclarationNode * param = function.idList; param != nullptr; param = param->next ) {
1722 if ( ! param->type ) { // generate type int for empty parameter type
1723 param->type = new TypeData( TypeData::Basic );
1724 param->type->basictype = TypeData::Int;
1725 } // if
1726 } // for
1727
1728 function.params = function.idList; // newly modified idList becomes parameters
1729 function.idList = nullptr; // idList now empty
1730 delete function.oldDeclList; // deletes entire list
1731 function.oldDeclList = nullptr; // reset
1732} // buildKRFunction
1733
1734// Local Variables: //
1735// tab-width: 4 //
1736// mode: c++ //
1737// compile-command: "make install" //
1738// End: //
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