source: src/Parser/TypeData.cc@ cd477ca

ADT ast-experimental
Last change on this file since cd477ca was 702e826, checked in by Andrew Beach <ajbeach@…>, 3 years ago

Pre-translation pass on the parser. Entirely code readability improvements, no behaviour (on a larger scale) should be effected.
  • Property mode set to 100644
File size: 36.5 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.cc --
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 : Sun Feb 19 11:00:46 2023
13// Update Count : 679
14//
15
16#include <cassert> // for assert
17#include <ostream> // for operator<<, ostream, basic_ostream
18
19#include "Common/SemanticError.h" // for SemanticError
20#include "Common/utility.h" // for maybeClone, maybeBuild, maybeMoveB...
21#include "Parser/ParseNode.h" // for DeclarationNode, ExpressionNode
22#include "SynTree/Declaration.h" // for TypeDecl, ObjectDecl, FunctionDecl
23#include "SynTree/Expression.h" // for Expression, ConstantExpr (ptr only)
24#include "SynTree/Initializer.h" // for SingleInit, Initializer (ptr only)
25#include "SynTree/Statement.h" // for CompoundStmt, Statement
26#include "SynTree/Type.h" // for BasicType, Type, Type::ForallList
27#include "TypeData.h"
28
29class Attribute;
30
31using namespace std;
32
33TypeData::TypeData( Kind k ) : location( yylloc ), kind( k ), base( nullptr ), forall( nullptr ) /*, PTR1( (void*)(0xdeadbeefdeadbeef)), PTR2( (void*)(0xdeadbeefdeadbeef) ) */ {
34 switch ( kind ) {
35 case Unknown:
36 case Pointer:
37 case Reference:
38 case EnumConstant:
39 case GlobalScope:
40 case Basic:
41 // No unique data to initialize.
42 break;
43 case Array:
44 array.dimension = nullptr;
45 array.isVarLen = false;
46 array.isStatic = false;
47 break;
48 case Function:
49 function.params = nullptr;
50 function.idList = nullptr;
51 function.oldDeclList = nullptr;
52 function.body = nullptr;
53 function.withExprs = nullptr;
54 break;
55 case Enum:
56 enumeration.name = nullptr;
57 enumeration.constants = nullptr;
58 enumeration.body = false;
59 enumeration.anon = false;
60 break;
61 case Aggregate:
62 aggregate.kind = AggregateDecl::NoAggregate;
63 aggregate.name = nullptr;
64 aggregate.params = nullptr;
65 aggregate.actuals = nullptr;
66 aggregate.fields = nullptr;
67 aggregate.body = false;
68 aggregate.tagged = false;
69 aggregate.parent = nullptr;
70 aggregate.anon = false;
71 break;
72 case AggregateInst:
73 aggInst.aggregate = nullptr;
74 aggInst.params = nullptr;
75 aggInst.hoistType = false;
76 break;
77 case Symbolic:
78 case SymbolicInst:
79 symbolic.name = nullptr;
80 symbolic.params = nullptr;
81 symbolic.actuals = nullptr;
82 symbolic.assertions = nullptr;
83 break;
84 case Tuple:
85 tuple = nullptr;
86 break;
87 case Typeof:
88 case Basetypeof:
89 typeexpr = nullptr;
90 break;
91 case Builtin:
92 case Vtable:
93 // No unique data to initialize.
94 break;
95 case Qualified:
96 qualified.parent = nullptr;
97 qualified.child = nullptr;
98 break;
99 } // switch
100} // TypeData::TypeData
101
102
103TypeData::~TypeData() {
104 delete base;
105 delete forall;
106
107 switch ( kind ) {
108 case Unknown:
109 case Pointer:
110 case Reference:
111 case EnumConstant:
112 case GlobalScope:
113 // No unique data to deconstruct.
114 break;
115 case Basic:
116 break;
117 case Array:
118 delete array.dimension;
119 break;
120 case Function:
121 delete function.params;
122 delete function.idList;
123 delete function.oldDeclList;
124 delete function.body;
125 delete function.withExprs;
126 break;
127 case Aggregate:
128 delete aggregate.name;
129 delete aggregate.params;
130 delete aggregate.actuals;
131 delete aggregate.fields;
132 break;
133 case AggregateInst:
134 delete aggInst.aggregate;
135 delete aggInst.params;
136 break;
137 case Enum:
138 delete enumeration.name;
139 delete enumeration.constants;
140 break;
141 case Symbolic:
142 case SymbolicInst:
143 delete symbolic.name;
144 delete symbolic.params;
145 delete symbolic.actuals;
146 delete symbolic.assertions;
147 break;
148 case Tuple:
149 delete tuple;
150 break;
151 case Typeof:
152 case Basetypeof:
153 delete typeexpr;
154 break;
155 case Vtable:
156 case Builtin:
157 // No unique data to deconstruct.
158 break;
159 case Qualified:
160 delete qualified.parent;
161 delete qualified.child;
162 break;
163 } // switch
164} // TypeData::~TypeData
165
166
167TypeData * TypeData::clone() const {
168 TypeData * newtype = new TypeData( kind );
169 newtype->qualifiers = qualifiers;
170 newtype->base = maybeClone( base );
171 newtype->forall = maybeClone( forall );
172
173 switch ( kind ) {
174 case Unknown:
175 case EnumConstant:
176 case Pointer:
177 case Reference:
178 case GlobalScope:
179 // nothing else to copy
180 break;
181 case Basic:
182 newtype->basictype = basictype;
183 newtype->complextype = complextype;
184 newtype->signedness = signedness;
185 newtype->length = length;
186 break;
187 case Array:
188 newtype->array.dimension = maybeClone( array.dimension );
189 newtype->array.isVarLen = array.isVarLen;
190 newtype->array.isStatic = array.isStatic;
191 break;
192 case Function:
193 newtype->function.params = maybeClone( function.params );
194 newtype->function.idList = maybeClone( function.idList );
195 newtype->function.oldDeclList = maybeClone( function.oldDeclList );
196 newtype->function.body = maybeClone( function.body );
197 newtype->function.withExprs = maybeClone( function.withExprs );
198 break;
199 case Aggregate:
200 newtype->aggregate.kind = aggregate.kind;
201 newtype->aggregate.name = aggregate.name ? new string( *aggregate.name ) : nullptr;
202 newtype->aggregate.params = maybeClone( aggregate.params );
203 newtype->aggregate.actuals = maybeClone( aggregate.actuals );
204 newtype->aggregate.fields = maybeClone( aggregate.fields );
205 newtype->aggregate.body = aggregate.body;
206 newtype->aggregate.anon = aggregate.anon;
207 newtype->aggregate.tagged = aggregate.tagged;
208 newtype->aggregate.parent = aggregate.parent ? new string( *aggregate.parent ) : nullptr;
209 break;
210 case AggregateInst:
211 newtype->aggInst.aggregate = maybeClone( aggInst.aggregate );
212 newtype->aggInst.params = maybeClone( aggInst.params );
213 newtype->aggInst.hoistType = aggInst.hoistType;
214 break;
215 case Enum:
216 newtype->enumeration.name = enumeration.name ? new string( *enumeration.name ) : nullptr;
217 newtype->enumeration.constants = maybeClone( enumeration.constants );
218 newtype->enumeration.body = enumeration.body;
219 newtype->enumeration.anon = enumeration.anon;
220 break;
221 case Symbolic:
222 case SymbolicInst:
223 newtype->symbolic.name = symbolic.name ? new string( *symbolic.name ) : nullptr;
224 newtype->symbolic.params = maybeClone( symbolic.params );
225 newtype->symbolic.actuals = maybeClone( symbolic.actuals );
226 newtype->symbolic.assertions = maybeClone( symbolic.assertions );
227 newtype->symbolic.isTypedef = symbolic.isTypedef;
228 break;
229 case Tuple:
230 newtype->tuple = maybeClone( tuple );
231 break;
232 case Typeof:
233 case Basetypeof:
234 newtype->typeexpr = maybeClone( typeexpr );
235 break;
236 case Vtable:
237 break;
238 case Builtin:
239 assert( builtintype == DeclarationNode::Zero || builtintype == DeclarationNode::One );
240 newtype->builtintype = builtintype;
241 break;
242 case Qualified:
243 newtype->qualified.parent = maybeClone( qualified.parent );
244 newtype->qualified.child = maybeClone( qualified.child );
245 break;
246 } // switch
247 return newtype;
248} // TypeData::clone
249
250
251void TypeData::print( ostream &os, int indent ) const {
252 for ( int i = 0; i < Type::NumTypeQualifier; i += 1 ) {
253 if ( qualifiers[i] ) os << Type::QualifiersNames[ i ] << ' ';
254 } // for
255
256 if ( forall ) {
257 os << "forall " << endl;
258 forall->printList( os, indent + 4 );
259 } // if
260
261 switch ( kind ) {
262 case Basic:
263 if ( signedness != DeclarationNode::NoSignedness ) os << DeclarationNode::signednessNames[ signedness ] << " ";
264 if ( length != DeclarationNode::NoLength ) os << DeclarationNode::lengthNames[ length ] << " ";
265 if ( complextype != DeclarationNode::NoComplexType ) os << DeclarationNode::complexTypeNames[ complextype ] << " ";
266 if ( basictype != DeclarationNode::NoBasicType ) os << DeclarationNode::basicTypeNames[ basictype ] << " ";
267 break;
268 case Pointer:
269 os << "pointer ";
270 if ( base ) {
271 os << "to ";
272 base->print( os, indent );
273 } // if
274 break;
275 case Reference:
276 os << "reference ";
277 if ( base ) {
278 os << "to ";
279 base->print( os, indent );
280 } // if
281 break;
282 case Array:
283 if ( array.isStatic ) {
284 os << "static ";
285 } // if
286 if ( array.dimension ) {
287 os << "array of ";
288 array.dimension->printOneLine( os, indent );
289 } else if ( array.isVarLen ) {
290 os << "variable-length array of ";
291 } else {
292 os << "open array of ";
293 } // if
294 if ( base ) {
295 base->print( os, indent );
296 } // if
297 break;
298 case Function:
299 os << "function" << endl;
300 if ( function.params ) {
301 os << string( indent + 2, ' ' ) << "with parameters " << endl;
302 function.params->printList( os, indent + 4 );
303 } else {
304 os << string( indent + 2, ' ' ) << "with no parameters" << endl;
305 } // if
306 if ( function.idList ) {
307 os << string( indent + 2, ' ' ) << "with old-style identifier list " << endl;
308 function.idList->printList( os, indent + 4 );
309 } // if
310 if ( function.oldDeclList ) {
311 os << string( indent + 2, ' ' ) << "with old-style declaration list " << endl;
312 function.oldDeclList->printList( os, indent + 4 );
313 } // if
314 os << string( indent + 2, ' ' ) << "returning ";
315 if ( base ) {
316 base->print( os, indent + 4 );
317 } else {
318 os << "nothing ";
319 } // if
320 os << endl;
321 if ( function.body ) {
322 os << string( indent + 2, ' ' ) << "with body " << endl;
323 function.body->printList( os, indent + 2 );
324 } // if
325 break;
326 case Aggregate:
327 os << AggregateDecl::aggrString( aggregate.kind ) << ' ' << *aggregate.name << endl;
328 if ( aggregate.params ) {
329 os << string( indent + 2, ' ' ) << "with type parameters" << endl;
330 aggregate.params->printList( os, indent + 4 );
331 } // if
332 if ( aggregate.actuals ) {
333 os << string( indent + 2, ' ' ) << "instantiated with actual parameters" << endl;
334 aggregate.actuals->printList( os, indent + 4 );
335 } // if
336 if ( aggregate.fields ) {
337 os << string( indent + 2, ' ' ) << "with members" << endl;
338 aggregate.fields->printList( os, indent + 4 );
339 } // if
340 if ( aggregate.body ) {
341 os << string( indent + 2, ' ' ) << " with body" << endl;
342 } // if
343 break;
344 case AggregateInst:
345 if ( aggInst.aggregate ) {
346 os << "instance of " ;
347 aggInst.aggregate->print( os, indent );
348 } else {
349 os << "instance of an unspecified aggregate ";
350 } // if
351 if ( aggInst.params ) {
352 os << string( indent + 2, ' ' ) << "with parameters" << endl;
353 aggInst.params->printList( os, indent + 2 );
354 } // if
355 break;
356 case Enum:
357 os << "enumeration " << *enumeration.name << endl;;
358 if ( enumeration.constants ) {
359 os << "with constants" << endl;
360 enumeration.constants->printList( os, indent + 2 );
361 } // if
362 if ( enumeration.body ) {
363 os << string( indent + 2, ' ' ) << " with body" << endl;
364 } // if
365 if ( base ) {
366 os << "for ";
367 base->print( os, indent + 2 );
368 } // if
369 break;
370 case EnumConstant:
371 os << "enumeration constant ";
372 break;
373 case Symbolic:
374 if ( symbolic.isTypedef ) {
375 os << "typedef definition ";
376 } else {
377 os << "type definition ";
378 } // if
379 if ( symbolic.params ) {
380 os << endl << string( indent + 2, ' ' ) << "with parameters" << endl;
381 symbolic.params->printList( os, indent + 2 );
382 } // if
383 if ( symbolic.assertions ) {
384 os << endl << string( indent + 2, ' ' ) << "with assertions" << endl;
385 symbolic.assertions->printList( os, indent + 4 );
386 os << string( indent + 2, ' ' );
387 } // if
388 if ( base ) {
389 os << "for ";
390 base->print( os, indent + 2 );
391 } // if
392 break;
393 case SymbolicInst:
394 os << *symbolic.name;
395 if ( symbolic.actuals ) {
396 os << "(";
397 symbolic.actuals->printList( os, indent + 2 );
398 os << ")";
399 } // if
400 break;
401 case Tuple:
402 os << "tuple ";
403 if ( tuple ) {
404 os << "with members" << endl;
405 tuple->printList( os, indent + 2 );
406 } // if
407 break;
408 case Basetypeof:
409 os << "base-";
410 #if defined(__GNUC__) && __GNUC__ >= 7
411 __attribute__((fallthrough));
412 #endif
413 // FALL THROUGH
414 case Typeof:
415 os << "type-of expression ";
416 if ( typeexpr ) {
417 typeexpr->print( os, indent + 2 );
418 } // if
419 break;
420 case Vtable:
421 os << "vtable";
422 break;
423 case Builtin:
424 os << DeclarationNode::builtinTypeNames[builtintype];
425 break;
426 case GlobalScope:
427 break;
428 case Qualified:
429 qualified.parent->print( os );
430 os << ".";
431 qualified.child->print( os );
432 break;
433 case Unknown:
434 os << "entity of unknown type ";
435 break;
436 default:
437 os << "internal error: TypeData::print " << kind << endl;
438 assert( false );
439 } // switch
440} // TypeData::print
441
442const std::string * TypeData::leafName() const {
443 switch ( kind ) {
444 case Unknown:
445 case Pointer:
446 case Reference:
447 case EnumConstant:
448 case GlobalScope:
449 case Array:
450 case Basic:
451 case Function:
452 case AggregateInst:
453 case Tuple:
454 case Typeof:
455 case Basetypeof:
456 case Builtin:
457 case Vtable:
458 assertf(false, "Tried to get leaf name from kind without a name: %d", kind);
459 break;
460 case Aggregate:
461 return aggregate.name;
462 case Enum:
463 return enumeration.name;
464 case Symbolic:
465 case SymbolicInst:
466 return symbolic.name;
467 case Qualified:
468 return qualified.child->leafName();
469 } // switch
470 assert(false);
471}
472
473
474template< typename ForallList >
475void buildForall( const DeclarationNode * firstNode, ForallList &outputList ) {
476 buildList( firstNode, outputList );
477 auto n = firstNode;
478 for ( typename ForallList::iterator i = outputList.begin(); i != outputList.end(); ++i, n = (DeclarationNode*)n->get_next() ) {
479 TypeDecl * td = static_cast<TypeDecl *>(*i);
480 if ( n->variable.tyClass == TypeDecl::Otype ) {
481 // add assertion parameters to `type' tyvars in reverse order
482 // add dtor: void ^?{}(T *)
483 FunctionType * dtorType = new FunctionType( Type::Qualifiers(), false );
484 dtorType->get_parameters().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new ReferenceType( Type::Qualifiers(), new TypeInstType( Type::Qualifiers(), td->get_name(), *i ) ), nullptr ) );
485 td->get_assertions().push_front( new FunctionDecl( "^?{}", Type::StorageClasses(), LinkageSpec::Cforall, dtorType, nullptr ) );
486
487 // add copy ctor: void ?{}(T *, T)
488 FunctionType * copyCtorType = new FunctionType( Type::Qualifiers(), false );
489 copyCtorType->get_parameters().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new ReferenceType( Type::Qualifiers(), new TypeInstType( Type::Qualifiers(), td->get_name(), *i ) ), nullptr ) );
490 copyCtorType->get_parameters().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new TypeInstType( Type::Qualifiers(), td->get_name(), *i ), nullptr ) );
491 td->get_assertions().push_front( new FunctionDecl( "?{}", Type::StorageClasses(), LinkageSpec::Cforall, copyCtorType, nullptr ) );
492
493 // add default ctor: void ?{}(T *)
494 FunctionType * ctorType = new FunctionType( Type::Qualifiers(), false );
495 ctorType->get_parameters().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new ReferenceType( Type::Qualifiers(), new TypeInstType( Type::Qualifiers(), td->get_name(), *i ) ), nullptr ) );
496 td->get_assertions().push_front( new FunctionDecl( "?{}", Type::StorageClasses(), LinkageSpec::Cforall, ctorType, nullptr ) );
497
498 // add assignment operator: T * ?=?(T *, T)
499 FunctionType * assignType = new FunctionType( Type::Qualifiers(), false );
500 assignType->get_parameters().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new ReferenceType( Type::Qualifiers(), new TypeInstType( Type::Qualifiers(), td->get_name(), *i ) ), nullptr ) );
501 assignType->get_parameters().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new TypeInstType( Type::Qualifiers(), td->get_name(), *i ), nullptr ) );
502 assignType->get_returnVals().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new TypeInstType( Type::Qualifiers(), td->get_name(), *i ), nullptr ) );
503 td->get_assertions().push_front( new FunctionDecl( "?=?", Type::StorageClasses(), LinkageSpec::Cforall, assignType, nullptr ) );
504 } // if
505 } // for
506} // buildForall
507
508
509Type * typebuild( const TypeData * td ) {
510 assert( td );
511 switch ( td->kind ) {
512 case TypeData::Unknown:
513 // fill in implicit int
514 return new BasicType( buildQualifiers( td ), BasicType::SignedInt );
515 case TypeData::Basic:
516 return buildBasicType( td );
517 case TypeData::Pointer:
518 return buildPointer( td );
519 case TypeData::Array:
520 return buildArray( td );
521 case TypeData::Reference:
522 return buildReference( td );
523 case TypeData::Function:
524 return buildFunction( td );
525 case TypeData::AggregateInst:
526 return buildAggInst( td );
527 case TypeData::EnumConstant:
528 return new EnumInstType( buildQualifiers( td ), "" );
529 case TypeData::SymbolicInst:
530 return buildSymbolicInst( td );
531 case TypeData::Tuple:
532 return buildTuple( td );
533 case TypeData::Typeof:
534 case TypeData::Basetypeof:
535 return buildTypeof( td );
536 case TypeData::Vtable:
537 return buildVtable( td );
538 case TypeData::Builtin:
539 switch ( td->builtintype ) {
540 case DeclarationNode::Zero:
541 return new ZeroType( noQualifiers );
542 case DeclarationNode::One:
543 return new OneType( noQualifiers );
544 default:
545 return new VarArgsType( buildQualifiers( td ) );
546 } // switch
547 case TypeData::GlobalScope:
548 return new GlobalScopeType();
549 case TypeData::Qualified:
550 return new QualifiedType( buildQualifiers( td ), typebuild( td->qualified.parent ), typebuild( td->qualified.child ) );
551 case TypeData::Symbolic:
552 case TypeData::Enum:
553 case TypeData::Aggregate:
554 assert( false );
555 } // switch
556
557 return nullptr;
558} // typebuild
559
560
561TypeData * typeextractAggregate( const TypeData * td, bool toplevel ) {
562 TypeData * ret = nullptr;
563
564 switch ( td->kind ) {
565 case TypeData::Aggregate:
566 if ( ! toplevel && td->aggregate.body ) {
567 ret = td->clone();
568 } // if
569 break;
570 case TypeData::Enum:
571 if ( ! toplevel && td->enumeration.body ) {
572 ret = td->clone();
573 } // if
574 break;
575 case TypeData::AggregateInst:
576 if ( td->aggInst.aggregate ) {
577 ret = typeextractAggregate( td->aggInst.aggregate, false );
578 } // if
579 break;
580 default:
581 if ( td->base ) {
582 ret = typeextractAggregate( td->base, false );
583 } // if
584 } // switch
585 return ret;
586} // typeextractAggregate
587
588
589Type::Qualifiers buildQualifiers( const TypeData * td ) {
590 return td->qualifiers;
591} // buildQualifiers
592
593
594static string genTSError( string msg, DeclarationNode::BasicType basictype ) {
595 SemanticError( yylloc, string( "invalid type specifier \"" ) + msg + "\" for type \"" + DeclarationNode::basicTypeNames[basictype] + "\"." );
596} // genTSError
597
598Type * buildBasicType( const TypeData * td ) {
599 BasicType::Kind ret;
600
601 switch ( td->basictype ) {
602 case DeclarationNode::Void:
603 if ( td->signedness != DeclarationNode::NoSignedness ) {
604 genTSError( DeclarationNode::signednessNames[ td->signedness ], td->basictype );
605 } // if
606 if ( td->length != DeclarationNode::NoLength ) {
607 genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
608 } // if
609 return new VoidType( buildQualifiers( td ) );
610 break;
611
612 case DeclarationNode::Bool:
613 if ( td->signedness != DeclarationNode::NoSignedness ) {
614 genTSError( DeclarationNode::signednessNames[ td->signedness ], td->basictype );
615 } // if
616 if ( td->length != DeclarationNode::NoLength ) {
617 genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
618 } // if
619
620 ret = BasicType::Bool;
621 break;
622
623 case DeclarationNode::Char:
624 // C11 Standard 6.2.5.15: The three types char, signed char, and unsigned char are collectively called the
625 // character types. The implementation shall define char to have the same range, representation, and behavior as
626 // either signed char or unsigned char.
627 static BasicType::Kind chartype[] = { BasicType::SignedChar, BasicType::UnsignedChar, BasicType::Char };
628
629 if ( td->length != DeclarationNode::NoLength ) {
630 genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
631 } // if
632
633 ret = chartype[ td->signedness ];
634 break;
635
636 case DeclarationNode::Int:
637 static BasicType::Kind inttype[2][4] = {
638 { BasicType::ShortSignedInt, BasicType::LongSignedInt, BasicType::LongLongSignedInt, BasicType::SignedInt },
639 { BasicType::ShortUnsignedInt, BasicType::LongUnsignedInt, BasicType::LongLongUnsignedInt, BasicType::UnsignedInt },
640 };
641
642 Integral: ;
643 if ( td->signedness == DeclarationNode::NoSignedness ) {
644 const_cast<TypeData *>(td)->signedness = DeclarationNode::Signed;
645 } // if
646 ret = inttype[ td->signedness ][ td->length ];
647 break;
648
649 case DeclarationNode::Int128:
650 ret = td->signedness == DeclarationNode::Unsigned ? BasicType::UnsignedInt128 : BasicType::SignedInt128;
651 if ( td->length != DeclarationNode::NoLength ) {
652 genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
653 } // if
654 break;
655
656 case DeclarationNode::Float:
657 case DeclarationNode::Double:
658 case DeclarationNode::LongDouble: // not set until below
659 case DeclarationNode::uuFloat80:
660 case DeclarationNode::uuFloat128:
661 case DeclarationNode::uFloat16:
662 case DeclarationNode::uFloat32:
663 case DeclarationNode::uFloat32x:
664 case DeclarationNode::uFloat64:
665 case DeclarationNode::uFloat64x:
666 case DeclarationNode::uFloat128:
667 case DeclarationNode::uFloat128x:
668 static BasicType::Kind floattype[2][12] = {
669 { BasicType::FloatComplex, BasicType::DoubleComplex, BasicType::LongDoubleComplex, (BasicType::Kind)-1, (BasicType::Kind)-1, BasicType::uFloat16Complex, BasicType::uFloat32Complex, BasicType::uFloat32xComplex, BasicType::uFloat64Complex, BasicType::uFloat64xComplex, BasicType::uFloat128Complex, BasicType::uFloat128xComplex, },
670 { BasicType::Float, BasicType::Double, BasicType::LongDouble, BasicType::uuFloat80, BasicType::uuFloat128, BasicType::uFloat16, BasicType::uFloat32, BasicType::uFloat32x, BasicType::uFloat64, BasicType::uFloat64x, BasicType::uFloat128, BasicType::uFloat128x, },
671 };
672
673 FloatingPoint: ;
674 if ( td->signedness != DeclarationNode::NoSignedness ) {
675 genTSError( DeclarationNode::signednessNames[ td->signedness ], td->basictype );
676 } // if
677 if ( td->length == DeclarationNode::Short || td->length == DeclarationNode::LongLong ) {
678 genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
679 } // if
680 if ( td->basictype != DeclarationNode::Double && td->length == DeclarationNode::Long ) {
681 genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
682 } // if
683 if ( td->complextype == DeclarationNode::Imaginary ) {
684 genTSError( DeclarationNode::complexTypeNames[ td->complextype ], td->basictype );
685 } // if
686 if ( (td->basictype == DeclarationNode::uuFloat80 || td->basictype == DeclarationNode::uuFloat128) && td->complextype == DeclarationNode::Complex ) { // gcc unsupported
687 genTSError( DeclarationNode::complexTypeNames[ td->complextype ], td->basictype );
688 } // if
689 if ( td->length == DeclarationNode::Long ) {
690 const_cast<TypeData *>(td)->basictype = DeclarationNode::LongDouble;
691 } // if
692
693 ret = floattype[ td->complextype ][ td->basictype - DeclarationNode::Float ];
694 //printf( "XXXX %d %d %d %d\n", td->complextype, td->basictype, DeclarationNode::Float, ret );
695 break;
696
697 case DeclarationNode::NoBasicType:
698 // No basic type in declaration => default double for Complex/Imaginary and int type for integral types
699 if ( td->complextype == DeclarationNode::Complex || td->complextype == DeclarationNode::Imaginary ) {
700 const_cast<TypeData *>(td)->basictype = DeclarationNode::Double;
701 goto FloatingPoint;
702 } // if
703
704 const_cast<TypeData *>(td)->basictype = DeclarationNode::Int;
705 goto Integral;
706 default:
707 assertf( false, "unknown basic type" );
708 return nullptr;
709 } // switch
710
711 BasicType * bt = new BasicType( buildQualifiers( td ), ret );
712 buildForall( td->forall, bt->get_forall() );
713 return bt;
714} // buildBasicType
715
716
717PointerType * buildPointer( const TypeData * td ) {
718 PointerType * pt;
719 if ( td->base ) {
720 pt = new PointerType( buildQualifiers( td ), typebuild( td->base ) );
721 } else {
722 pt = new PointerType( buildQualifiers( td ), new BasicType( Type::Qualifiers(), BasicType::SignedInt ) );
723 } // if
724 buildForall( td->forall, pt->get_forall() );
725 return pt;
726} // buildPointer
727
728
729ArrayType * buildArray( const TypeData * td ) {
730 ArrayType * at;
731 if ( td->base ) {
732 at = new ArrayType( buildQualifiers( td ), typebuild( td->base ), maybeBuild( td->array.dimension ),
733 td->array.isVarLen, td->array.isStatic );
734 } else {
735 at = new ArrayType( buildQualifiers( td ), new BasicType( Type::Qualifiers(), BasicType::SignedInt ),
736 maybeBuild( td->array.dimension ), td->array.isVarLen, td->array.isStatic );
737 } // if
738 buildForall( td->forall, at->get_forall() );
739 return at;
740} // buildArray
741
742
743ReferenceType * buildReference( const TypeData * td ) {
744 ReferenceType * rt;
745 if ( td->base ) {
746 rt = new ReferenceType( buildQualifiers( td ), typebuild( td->base ) );
747 } else {
748 rt = new ReferenceType( buildQualifiers( td ), new BasicType( Type::Qualifiers(), BasicType::SignedInt ) );
749 } // if
750 buildForall( td->forall, rt->get_forall() );
751 return rt;
752} // buildReference
753
754
755AggregateDecl * buildAggregate( const TypeData * td, std::list< Attribute * > attributes, LinkageSpec::Spec linkage ) {
756 assert( td->kind == TypeData::Aggregate );
757 AggregateDecl * at;
758 switch ( td->aggregate.kind ) {
759 case AggregateDecl::Struct:
760 case AggregateDecl::Coroutine:
761 case AggregateDecl::Exception:
762 case AggregateDecl::Generator:
763 case AggregateDecl::Monitor:
764 case AggregateDecl::Thread:
765 at = new StructDecl( *td->aggregate.name, td->aggregate.kind, attributes, linkage );
766 buildForall( td->aggregate.params, at->get_parameters() );
767 break;
768 case AggregateDecl::Union:
769 at = new UnionDecl( *td->aggregate.name, attributes, linkage );
770 buildForall( td->aggregate.params, at->get_parameters() );
771 break;
772 case AggregateDecl::Trait:
773 at = new TraitDecl( *td->aggregate.name, attributes, linkage );
774 buildList( td->aggregate.params, at->get_parameters() );
775 break;
776 default:
777 assert( false );
778 } // switch
779
780 buildList( td->aggregate.fields, at->get_members() );
781 at->set_body( td->aggregate.body );
782
783 return at;
784} // buildAggregate
785
786
787ReferenceToType * buildComAggInst( const TypeData * type, std::list< Attribute * > attributes, LinkageSpec::Spec linkage ) {
788 switch ( type->kind ) {
789 case TypeData::Enum:
790 if ( type->enumeration.body ) {
791 EnumDecl * typedecl = buildEnum( type, attributes, linkage );
792 return new EnumInstType( buildQualifiers( type ), typedecl );
793 } else {
794 return new EnumInstType( buildQualifiers( type ), *type->enumeration.name );
795 } // if
796 case TypeData::Aggregate:
797 if ( type->aggregate.body ) {
798 AggregateDecl * typedecl = buildAggregate( type, attributes, linkage );
799 switch ( type->aggregate.kind ) {
800 case AggregateDecl::Struct:
801 case AggregateDecl::Coroutine:
802 case AggregateDecl::Monitor:
803 case AggregateDecl::Thread:
804 return new StructInstType( buildQualifiers( type ), (StructDecl *)typedecl );
805 case AggregateDecl::Union:
806 return new UnionInstType( buildQualifiers( type ), (UnionDecl *)typedecl );
807 case AggregateDecl::Trait:
808 assert( false );
809 //return new TraitInstType( buildQualifiers( type ), (TraitDecl *)typedecl );
810 break;
811 default:
812 assert( false );
813 } // switch
814 } else {
815 switch ( type->aggregate.kind ) {
816 case AggregateDecl::Struct:
817 case AggregateDecl::Coroutine:
818 case AggregateDecl::Monitor:
819 case AggregateDecl::Thread:
820 return new StructInstType( buildQualifiers( type ), *type->aggregate.name );
821 case AggregateDecl::Union:
822 return new UnionInstType( buildQualifiers( type ), *type->aggregate.name );
823 case AggregateDecl::Trait:
824 return new TraitInstType( buildQualifiers( type ), *type->aggregate.name );
825 default:
826 assert( false );
827 } // switch
828 } // if
829 return nullptr;
830 default:
831 assert( false );
832 } // switch
833} // buildAggInst
834
835
836ReferenceToType * buildAggInst( const TypeData * td ) {
837 assert( td->kind == TypeData::AggregateInst );
838
839 // ReferenceToType * ret = buildComAggInst( td->aggInst.aggregate, std::list< Attribute * >() );
840 ReferenceToType * ret = nullptr;
841 TypeData * type = td->aggInst.aggregate;
842 switch ( type->kind ) {
843 case TypeData::Enum:
844 return new EnumInstType( buildQualifiers( type ), *type->enumeration.name );
845 case TypeData::Aggregate:
846 switch ( type->aggregate.kind ) {
847 case AggregateDecl::Struct:
848 case AggregateDecl::Coroutine:
849 case AggregateDecl::Monitor:
850 case AggregateDecl::Thread:
851 ret = new StructInstType( buildQualifiers( type ), *type->aggregate.name );
852 break;
853 case AggregateDecl::Union:
854 ret = new UnionInstType( buildQualifiers( type ), *type->aggregate.name );
855 break;
856 case AggregateDecl::Trait:
857 ret = new TraitInstType( buildQualifiers( type ), *type->aggregate.name );
858 break;
859 default:
860 assert( false );
861 } // switch
862 break;
863 default:
864 assert( false );
865 } // switch
866
867 ret->set_hoistType( td->aggInst.hoistType );
868 buildList( td->aggInst.params, ret->get_parameters() );
869 buildForall( td->forall, ret->get_forall() );
870 return ret;
871} // buildAggInst
872
873
874NamedTypeDecl * buildSymbolic( const TypeData * td, std::list< Attribute * > attributes, const string & name, Type::StorageClasses scs, LinkageSpec::Spec linkage ) {
875 assert( td->kind == TypeData::Symbolic );
876 NamedTypeDecl * ret;
877 assert( td->base );
878 if ( td->symbolic.isTypedef ) {
879 ret = new TypedefDecl( name, td->location, scs, typebuild( td->base ), linkage );
880 } else {
881 ret = new TypeDecl( name, scs, typebuild( td->base ), TypeDecl::Dtype, true );
882 } // if
883 buildList( td->symbolic.assertions, ret->get_assertions() );
884 ret->base->attributes.splice( ret->base->attributes.end(), attributes );
885 return ret;
886} // buildSymbolic
887
888
889EnumDecl * buildEnum( const TypeData * td, std::list< Attribute * > attributes, LinkageSpec::Spec linkage ) {
890 assert( td->kind == TypeData::Enum );
891 Type * baseType = td->base ? typebuild(td->base) : nullptr;
892 EnumDecl * ret = new EnumDecl( *td->enumeration.name, attributes, td->enumeration.typed, linkage, baseType );
893 buildList( td->enumeration.constants, ret->get_members() );
894 list< Declaration * >::iterator members = ret->get_members().begin();
895 ret->hide = td->enumeration.hiding == EnumHiding::Hide ? EnumDecl::EnumHiding::Hide : EnumDecl::EnumHiding::Visible;
896 for ( const DeclarationNode * cur = td->enumeration.constants; cur != nullptr; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ), ++members ) {
897 if ( cur->enumInLine ) {
898 // Do Nothing
899 } else if ( ret->isTyped && !ret->base && cur->has_enumeratorValue() ) {
900 SemanticError( td->location, "Enumerator of enum(void) cannot have an explicit initializer value." );
901 } else if ( cur->has_enumeratorValue() ) {
902 ObjectDecl * member = dynamic_cast< ObjectDecl * >(* members);
903 member->set_init( new SingleInit( maybeMoveBuild( cur->consume_enumeratorValue() ) ) );
904 } else if ( !cur->initializer ) {
905 if ( baseType && (!dynamic_cast<BasicType *>(baseType) || !dynamic_cast<BasicType *>(baseType)->isInteger())) {
906 SemanticError( td->location, "Enumerators of an non-integer typed enum must be explicitly initialized." );
907 }
908 }
909 // else cur is a List Initializer and has been set as init in buildList()
910 // if
911 } // for
912 ret->set_body( td->enumeration.body );
913 return ret;
914} // buildEnum
915
916
917TypeInstType * buildSymbolicInst( const TypeData * td ) {
918 assert( td->kind == TypeData::SymbolicInst );
919 TypeInstType * ret = new TypeInstType( buildQualifiers( td ), *td->symbolic.name, false );
920 buildList( td->symbolic.actuals, ret->get_parameters() );
921 buildForall( td->forall, ret->get_forall() );
922 return ret;
923} // buildSymbolicInst
924
925
926TupleType * buildTuple( const TypeData * td ) {
927 assert( td->kind == TypeData::Tuple );
928 std::list< Type * > types;
929 buildTypeList( td->tuple, types );
930 TupleType * ret = new TupleType( buildQualifiers( td ), types );
931 buildForall( td->forall, ret->get_forall() );
932 return ret;
933} // buildTuple
934
935
936TypeofType * buildTypeof( const TypeData * td ) {
937 assert( td->kind == TypeData::Typeof || td->kind == TypeData::Basetypeof );
938 assert( td->typeexpr );
939 // assert( td->typeexpr->expr );
940 return new TypeofType{ buildQualifiers( td ), td->typeexpr->build(), td->kind == TypeData::Basetypeof };
941} // buildTypeof
942
943
944VTableType * buildVtable( const TypeData * td ) {
945 assert( td->base );
946 return new VTableType{ buildQualifiers( td ), typebuild( td->base ) };
947} // buildVtable
948
949
950Declaration * buildDecl( const TypeData * td, const string &name, Type::StorageClasses scs, Expression * bitfieldWidth, Type::FuncSpecifiers funcSpec, LinkageSpec::Spec linkage, Expression *asmName, Initializer * init, std::list< Attribute * > attributes ) {
951 if ( td->kind == TypeData::Function ) {
952 if ( td->function.idList ) { // KR function ?
953 buildKRFunction( td->function ); // transform into C11 function
954 } // if
955
956 FunctionDecl * decl;
957 Statement * stmt = maybeBuild( td->function.body );
958 CompoundStmt * body = dynamic_cast< CompoundStmt * >( stmt );
959 decl = new FunctionDecl( name, scs, linkage, buildFunction( td ), body, attributes, funcSpec );
960 buildList( td->function.withExprs, decl->withExprs );
961 return decl->set_asmName( asmName );
962 } else if ( td->kind == TypeData::Aggregate ) {
963 return buildAggregate( td, attributes, linkage );
964 } else if ( td->kind == TypeData::Enum ) {
965 return buildEnum( td, attributes, linkage );
966 } else if ( td->kind == TypeData::Symbolic ) {
967 return buildSymbolic( td, attributes, name, scs, linkage );
968 } else {
969 return (new ObjectDecl( name, scs, linkage, bitfieldWidth, typebuild( td ), init, attributes ))->set_asmName( asmName );
970 } // if
971 return nullptr;
972} // buildDecl
973
974
975FunctionType * buildFunction( const TypeData * td ) {
976 assert( td->kind == TypeData::Function );
977 FunctionType * ft = new FunctionType( buildQualifiers( td ), ! td->function.params || td->function.params->hasEllipsis );
978 buildList( td->function.params, ft->parameters );
979 buildForall( td->forall, ft->forall );
980 if ( td->base ) {
981 switch ( td->base->kind ) {
982 case TypeData::Tuple:
983 buildList( td->base->tuple, ft->returnVals );
984 break;
985 default:
986 ft->get_returnVals().push_back( dynamic_cast< DeclarationWithType * >( buildDecl( td->base, "", Type::StorageClasses(), nullptr, Type::FuncSpecifiers(), LinkageSpec::Cforall, nullptr ) ) );
987 } // switch
988 } else {
989 ft->get_returnVals().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new BasicType( Type::Qualifiers(), BasicType::SignedInt ), nullptr ) );
990 } // if
991 return ft;
992} // buildFunction
993
994
995// Transform KR routine declarations into C99 routine declarations:
996//
997// rtn( a, b, c ) int a, c; double b {} => int rtn( int a, double c, int b ) {}
998//
999// The type information for each post-declaration is moved to the corresponding pre-parameter and the post-declaration
1000// is deleted. Note, the order of the parameter names may not be the same as the declaration names. Duplicate names and
1001// extra names are disallowed.
1002//
1003// Note, there is no KR routine-prototype syntax:
1004//
1005// rtn( a, b, c ) int a, c; double b; // invalid KR prototype
1006// rtn(); // valid KR prototype
1007
1008void buildKRFunction( const TypeData::Function_t & function ) {
1009 assert( ! function.params );
1010 // loop over declaration first as it is easier to spot errors
1011 for ( DeclarationNode * decl = function.oldDeclList; decl != nullptr; decl = dynamic_cast< DeclarationNode * >( decl->get_next() ) ) {
1012 // scan ALL parameter names for each declaration name to check for duplicates
1013 for ( DeclarationNode * param = function.idList; param != nullptr; param = dynamic_cast< DeclarationNode * >( param->get_next() ) ) {
1014 if ( *decl->name == *param->name ) {
1015 // type set => parameter name already transformed by a declaration names so there is a duplicate
1016 // declaration name attempting a second transformation
1017 if ( param->type ) SemanticError( param->location, string( "duplicate declaration name " ) + *param->name );
1018 // declaration type reset => declaration already transformed by a parameter name so there is a duplicate
1019 // parameter name attempting a second transformation
1020 if ( ! decl->type ) SemanticError( param->location, string( "duplicate parameter name " ) + *param->name );
1021 param->type = decl->type; // set copy declaration type to parameter type
1022 decl->type = nullptr; // reset declaration type
1023 param->attributes.splice( param->attributes.end(), decl->attributes ); // copy and reset attributes from declaration to parameter
1024 } // if
1025 } // for
1026 // declaration type still set => type not moved to a matching parameter so there is a missing parameter name
1027 if ( decl->type ) SemanticError( decl->location, string( "missing name in parameter list " ) + *decl->name );
1028 } // for
1029
1030 // Parameter names without a declaration default to type int:
1031 //
1032 // rtb( a, b, c ) const char * b; {} => int rtn( int a, const char * b, int c ) {}
1033
1034 for ( DeclarationNode * param = function.idList; param != nullptr; param = dynamic_cast< DeclarationNode * >( param->get_next() ) ) {
1035 if ( ! param->type ) { // generate type int for empty parameter type
1036 param->type = new TypeData( TypeData::Basic );
1037 param->type->basictype = DeclarationNode::Int;
1038 } // if
1039 } // for
1040
1041 function.params = function.idList; // newly modified idList becomes parameters
1042 function.idList = nullptr; // idList now empty
1043 delete function.oldDeclList; // deletes entire list
1044 function.oldDeclList = nullptr; // reset
1045} // buildKRFunction
1046
1047// Local Variables: //
1048// tab-width: 4 //
1049// mode: c++ //
1050// compile-command: "make install" //
1051// End: //
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