source: src/Parser/TypeData.cc@ dddb3dd0

ADT arm-eh ast-experimental enum forall-pointer-decay jacob/cs343-translation new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since dddb3dd0 was 6a45bd78, checked in by Fangren Yu <f37yu@…>, 5 years ago

cleanup: remove params in TypeDecl (never used)
  • Property mode set to 100644
File size: 36.6 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// 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 : Mon Dec 16 07:56:46 2019
13// Update Count : 662
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 // nothing else to initialize
41 break;
42 case Basic:
43 // basic = new Basic_t;
44 break;
45 case Array:
46 // array = new Array_t;
47 array.dimension = nullptr;
48 array.isVarLen = false;
49 array.isStatic = false;
50 break;
51 case Function:
52 // function = new Function_t;
53 function.params = nullptr;
54 function.idList = nullptr;
55 function.oldDeclList = nullptr;
56 function.body = nullptr;
57 function.withExprs = nullptr;
58 break;
59 // Enum is an Aggregate, so both structures are initialized together.
60 case Enum:
61 // enumeration = new Enumeration_t;
62 enumeration.name = nullptr;
63 enumeration.constants = nullptr;
64 enumeration.body = false;
65 enumeration.anon = false;
66 break;
67 case Aggregate:
68 // aggregate = new Aggregate_t;
69 aggregate.kind = AggregateDecl::NoAggregate;
70 aggregate.name = nullptr;
71 aggregate.params = nullptr;
72 aggregate.actuals = nullptr;
73 aggregate.fields = nullptr;
74 aggregate.body = false;
75 aggregate.tagged = false;
76 aggregate.parent = nullptr;
77 aggregate.anon = false;
78 break;
79 case AggregateInst:
80 // aggInst = new AggInst_t;
81 aggInst.aggregate = nullptr;
82 aggInst.params = nullptr;
83 aggInst.hoistType = false;
84 break;
85 case Symbolic:
86 case SymbolicInst:
87 // symbolic = new Symbolic_t;
88 symbolic.name = nullptr;
89 symbolic.params = nullptr;
90 symbolic.actuals = nullptr;
91 symbolic.assertions = nullptr;
92 break;
93 case Tuple:
94 // tuple = new Tuple_t;
95 tuple = nullptr;
96 break;
97 case Typeof:
98 case Basetypeof:
99 // typeexpr = new Typeof_t;
100 typeexpr = nullptr;
101 break;
102 case Builtin:
103 // builtin = new Builtin_t;
104 case Qualified:
105 qualified.parent = nullptr;
106 qualified.child = nullptr;
107 break;
108 } // switch
109} // TypeData::TypeData
110
111
112TypeData::~TypeData() {
113 delete base;
114 delete forall;
115
116 switch ( kind ) {
117 case Unknown:
118 case Pointer:
119 case Reference:
120 case EnumConstant:
121 case GlobalScope:
122 // nothing to destroy
123 break;
124 case Basic:
125 // delete basic;
126 break;
127 case Array:
128 delete array.dimension;
129 // delete array;
130 break;
131 case Function:
132 delete function.params;
133 delete function.idList;
134 delete function.oldDeclList;
135 delete function.body;
136 delete function.withExprs;
137 // delete function;
138 break;
139 case Aggregate:
140 delete aggregate.name;
141 delete aggregate.params;
142 delete aggregate.actuals;
143 delete aggregate.fields;
144 // delete aggregate;
145 break;
146 case AggregateInst:
147 delete aggInst.aggregate;
148 delete aggInst.params;
149 // delete aggInst;
150 break;
151 case Enum:
152 delete enumeration.name;
153 delete enumeration.constants;
154 // delete enumeration;
155 break;
156 case Symbolic:
157 case SymbolicInst:
158 delete symbolic.name;
159 delete symbolic.params;
160 delete symbolic.actuals;
161 delete symbolic.assertions;
162 // delete symbolic;
163 break;
164 case Tuple:
165 // delete tuple->members;
166 delete tuple;
167 break;
168 case Typeof:
169 case Basetypeof:
170 // delete typeexpr->expr;
171 delete typeexpr;
172 break;
173 case Builtin:
174 // delete builtin;
175 break;
176 case Qualified:
177 delete qualified.parent;
178 delete qualified.child;
179 } // switch
180} // TypeData::~TypeData
181
182
183TypeData * TypeData::clone() const {
184 TypeData * newtype = new TypeData( kind );
185 newtype->qualifiers = qualifiers;
186 newtype->base = maybeClone( base );
187 newtype->forall = maybeClone( forall );
188
189 switch ( kind ) {
190 case Unknown:
191 case EnumConstant:
192 case Pointer:
193 case Reference:
194 case GlobalScope:
195 // nothing else to copy
196 break;
197 case Basic:
198 newtype->basictype = basictype;
199 newtype->complextype = complextype;
200 newtype->signedness = signedness;
201 newtype->length = length;
202 break;
203 case Array:
204 newtype->array.dimension = maybeClone( array.dimension );
205 newtype->array.isVarLen = array.isVarLen;
206 newtype->array.isStatic = array.isStatic;
207 break;
208 case Function:
209 newtype->function.params = maybeClone( function.params );
210 newtype->function.idList = maybeClone( function.idList );
211 newtype->function.oldDeclList = maybeClone( function.oldDeclList );
212 newtype->function.body = maybeClone( function.body );
213 newtype->function.withExprs = maybeClone( function.withExprs );
214 break;
215 case Aggregate:
216 newtype->aggregate.kind = aggregate.kind;
217 newtype->aggregate.name = aggregate.name ? new string( *aggregate.name ) : nullptr;
218 newtype->aggregate.params = maybeClone( aggregate.params );
219 newtype->aggregate.actuals = maybeClone( aggregate.actuals );
220 newtype->aggregate.fields = maybeClone( aggregate.fields );
221 newtype->aggregate.body = aggregate.body;
222 newtype->aggregate.anon = aggregate.anon;
223 newtype->aggregate.tagged = aggregate.tagged;
224 newtype->aggregate.parent = aggregate.parent ? new string( *aggregate.parent ) : nullptr;
225 break;
226 case AggregateInst:
227 newtype->aggInst.aggregate = maybeClone( aggInst.aggregate );
228 newtype->aggInst.params = maybeClone( aggInst.params );
229 newtype->aggInst.hoistType = aggInst.hoistType;
230 break;
231 case Enum:
232 newtype->enumeration.name = enumeration.name ? new string( *enumeration.name ) : nullptr;
233 newtype->enumeration.constants = maybeClone( enumeration.constants );
234 newtype->enumeration.body = enumeration.body;
235 newtype->enumeration.anon = enumeration.anon;
236 break;
237 case Symbolic:
238 case SymbolicInst:
239 newtype->symbolic.name = symbolic.name ? new string( *symbolic.name ) : nullptr;
240 newtype->symbolic.params = maybeClone( symbolic.params );
241 newtype->symbolic.actuals = maybeClone( symbolic.actuals );
242 newtype->symbolic.assertions = maybeClone( symbolic.assertions );
243 newtype->symbolic.isTypedef = symbolic.isTypedef;
244 break;
245 case Tuple:
246 newtype->tuple = maybeClone( tuple );
247 break;
248 case Typeof:
249 case Basetypeof:
250 newtype->typeexpr = maybeClone( typeexpr );
251 break;
252 case Builtin:
253 assert( builtintype == DeclarationNode::Zero || builtintype == DeclarationNode::One );
254 newtype->builtintype = builtintype;
255 break;
256 case Qualified:
257 newtype->qualified.parent = maybeClone( qualified.parent );
258 newtype->qualified.child = maybeClone( qualified.child );
259 break;
260 } // switch
261 return newtype;
262} // TypeData::clone
263
264
265void TypeData::print( ostream &os, int indent ) const {
266 for ( int i = 0; i < Type::NumTypeQualifier; i += 1 ) {
267 if ( qualifiers[i] ) os << Type::QualifiersNames[ i ] << ' ';
268 } // for
269
270 if ( forall ) {
271 os << "forall " << endl;
272 forall->printList( os, indent + 4 );
273 } // if
274
275 switch ( kind ) {
276 case Basic:
277 if ( signedness != DeclarationNode::NoSignedness ) os << DeclarationNode::signednessNames[ signedness ] << " ";
278 if ( length != DeclarationNode::NoLength ) os << DeclarationNode::lengthNames[ length ] << " ";
279 if ( complextype == DeclarationNode::NoComplexType ) { // basic type
280 assert( basictype != DeclarationNode::NoBasicType );
281 os << DeclarationNode::basicTypeNames[ basictype ] << " ";
282 } else { // complex type
283 // handle double _Complex
284 if ( basictype != DeclarationNode::NoBasicType ) os << DeclarationNode::basicTypeNames[ basictype ] << " ";
285 os << DeclarationNode::complexTypeNames[ complextype ] << " ";
286 } // if
287 break;
288 case Pointer:
289 os << "pointer ";
290 if ( base ) {
291 os << "to ";
292 base->print( os, indent );
293 } // if
294 break;
295 case Reference:
296 os << "reference ";
297 if ( base ) {
298 os << "to ";
299 base->print( os, indent );
300 } // if
301 break;
302 case Array:
303 if ( array.isStatic ) {
304 os << "static ";
305 } // if
306 if ( array.dimension ) {
307 os << "array of ";
308 array.dimension->printOneLine( os, indent );
309 } else if ( array.isVarLen ) {
310 os << "variable-length array of ";
311 } else {
312 os << "open array of ";
313 } // if
314 if ( base ) {
315 base->print( os, indent );
316 } // if
317 break;
318 case Function:
319 os << "function" << endl;
320 if ( function.params ) {
321 os << string( indent + 2, ' ' ) << "with parameters " << endl;
322 function.params->printList( os, indent + 4 );
323 } else {
324 os << string( indent + 2, ' ' ) << "with no parameters" << endl;
325 } // if
326 if ( function.idList ) {
327 os << string( indent + 2, ' ' ) << "with old-style identifier list " << endl;
328 function.idList->printList( os, indent + 4 );
329 } // if
330 if ( function.oldDeclList ) {
331 os << string( indent + 2, ' ' ) << "with old-style declaration list " << endl;
332 function.oldDeclList->printList( os, indent + 4 );
333 } // if
334 os << string( indent + 2, ' ' ) << "returning ";
335 if ( base ) {
336 base->print( os, indent + 4 );
337 } else {
338 os << "nothing ";
339 } // if
340 os << endl;
341 if ( function.body ) {
342 os << string( indent + 2, ' ' ) << "with body " << endl;
343 function.body->printList( os, indent + 2 );
344 } // if
345 break;
346 case Aggregate:
347 os << AggregateDecl::aggrString( aggregate.kind ) << ' ' << *aggregate.name << endl;
348 if ( aggregate.params ) {
349 os << string( indent + 2, ' ' ) << "with type parameters" << endl;
350 aggregate.params->printList( os, indent + 4 );
351 } // if
352 if ( aggregate.actuals ) {
353 os << string( indent + 2, ' ' ) << "instantiated with actual parameters" << endl;
354 aggregate.actuals->printList( os, indent + 4 );
355 } // if
356 if ( aggregate.fields ) {
357 os << string( indent + 2, ' ' ) << "with members" << endl;
358 aggregate.fields->printList( os, indent + 4 );
359 } // if
360 if ( aggregate.body ) {
361 os << string( indent + 2, ' ' ) << " with body" << endl;
362 } // if
363 break;
364 case AggregateInst:
365 if ( aggInst.aggregate ) {
366 os << "instance of " ;
367 aggInst.aggregate->print( os, indent );
368 } else {
369 os << "instance of an unspecified aggregate ";
370 } // if
371 if ( aggInst.params ) {
372 os << string( indent + 2, ' ' ) << "with parameters" << endl;
373 aggInst.params->printList( os, indent + 2 );
374 } // if
375 break;
376 case Enum:
377 os << "enumeration ";
378 if ( enumeration.constants ) {
379 os << "with constants" << endl;
380 enumeration.constants->printList( os, indent + 2 );
381 } // if
382 if ( enumeration.body ) {
383 os << string( indent + 2, ' ' ) << " with body" << endl;
384 } // if
385 break;
386 case EnumConstant:
387 os << "enumeration constant ";
388 break;
389 case Symbolic:
390 if ( symbolic.isTypedef ) {
391 os << "typedef definition ";
392 } else {
393 os << "type definition ";
394 } // if
395 if ( symbolic.params ) {
396 os << endl << string( indent + 2, ' ' ) << "with parameters" << endl;
397 symbolic.params->printList( os, indent + 2 );
398 } // if
399 if ( symbolic.assertions ) {
400 os << endl << string( indent + 2, ' ' ) << "with assertions" << endl;
401 symbolic.assertions->printList( os, indent + 4 );
402 os << string( indent + 2, ' ' );
403 } // if
404 if ( base ) {
405 os << "for ";
406 base->print( os, indent + 2 );
407 } // if
408 break;
409 case SymbolicInst:
410 os << *symbolic.name;
411 if ( symbolic.actuals ) {
412 os << "(";
413 symbolic.actuals->printList( os, indent + 2 );
414 os << ")";
415 } // if
416 break;
417 case Tuple:
418 os << "tuple ";
419 if ( tuple ) {
420 os << "with members" << endl;
421 tuple->printList( os, indent + 2 );
422 } // if
423 break;
424 case Basetypeof:
425 os << "base-";
426 #if defined(__GNUC__) && __GNUC__ >= 7
427 __attribute__((fallthrough));
428 #endif
429 case Typeof:
430 os << "type-of expression ";
431 if ( typeexpr ) {
432 typeexpr->print( os, indent + 2 );
433 } // if
434 break;
435 case Builtin:
436 os << DeclarationNode::builtinTypeNames[builtintype];
437 break;
438 case GlobalScope:
439 break;
440 case Qualified:
441 qualified.parent->print( os );
442 os << ".";
443 qualified.child->print( os );
444 break;
445 case Unknown:
446 os << "entity of unknown type ";
447 break;
448 default:
449 os << "internal error: TypeData::print " << kind << endl;
450 assert( false );
451 } // switch
452} // TypeData::print
453
454const std::string * TypeData::leafName() const {
455 switch ( kind ) {
456 case Unknown:
457 case Pointer:
458 case Reference:
459 case EnumConstant:
460 case GlobalScope:
461 case Array:
462 case Basic:
463 case Function:
464 case AggregateInst:
465 case Tuple:
466 case Typeof:
467 case Basetypeof:
468 case Builtin:
469 assertf(false, "Tried to get leaf name from kind without a name: %d", kind);
470 break;
471 case Aggregate:
472 return aggregate.name;
473 case Enum:
474 return enumeration.name;
475 case Symbolic:
476 case SymbolicInst:
477 return symbolic.name;
478 case Qualified:
479 return qualified.child->leafName();
480 } // switch
481 assert(false);
482}
483
484
485template< typename ForallList >
486void buildForall( const DeclarationNode * firstNode, ForallList &outputList ) {
487 buildList( firstNode, outputList );
488 auto n = firstNode;
489 for ( typename ForallList::iterator i = outputList.begin(); i != outputList.end(); ++i, n = (DeclarationNode*)n->get_next() ) {
490 TypeDecl * td = static_cast<TypeDecl *>(*i);
491 if ( n->variable.tyClass == TypeDecl::Otype ) {
492 // add assertion parameters to `type' tyvars in reverse order
493 // add dtor: void ^?{}(T *)
494 FunctionType * dtorType = new FunctionType( Type::Qualifiers(), false );
495 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 ) );
496 td->get_assertions().push_front( new FunctionDecl( "^?{}", Type::StorageClasses(), LinkageSpec::Cforall, dtorType, nullptr ) );
497
498 // add copy ctor: void ?{}(T *, T)
499 FunctionType * copyCtorType = new FunctionType( Type::Qualifiers(), false );
500 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 ) );
501 copyCtorType->get_parameters().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new TypeInstType( Type::Qualifiers(), td->get_name(), *i ), nullptr ) );
502 td->get_assertions().push_front( new FunctionDecl( "?{}", Type::StorageClasses(), LinkageSpec::Cforall, copyCtorType, nullptr ) );
503
504 // add default ctor: void ?{}(T *)
505 FunctionType * ctorType = new FunctionType( Type::Qualifiers(), false );
506 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 ) );
507 td->get_assertions().push_front( new FunctionDecl( "?{}", Type::StorageClasses(), LinkageSpec::Cforall, ctorType, nullptr ) );
508
509 // add assignment operator: T * ?=?(T *, T)
510 FunctionType * assignType = new FunctionType( Type::Qualifiers(), false );
511 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 ) );
512 assignType->get_parameters().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new TypeInstType( Type::Qualifiers(), td->get_name(), *i ), nullptr ) );
513 assignType->get_returnVals().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new TypeInstType( Type::Qualifiers(), td->get_name(), *i ), nullptr ) );
514 td->get_assertions().push_front( new FunctionDecl( "?=?", Type::StorageClasses(), LinkageSpec::Cforall, assignType, nullptr ) );
515 } // if
516 } // for
517} // buildForall
518
519
520Type * typebuild( const TypeData * td ) {
521 assert( td );
522 switch ( td->kind ) {
523 case TypeData::Unknown:
524 // fill in implicit int
525 return new BasicType( buildQualifiers( td ), BasicType::SignedInt );
526 case TypeData::Basic:
527 return buildBasicType( td );
528 case TypeData::Pointer:
529 return buildPointer( td );
530 case TypeData::Array:
531 return buildArray( td );
532 case TypeData::Reference:
533 return buildReference( td );
534 case TypeData::Function:
535 return buildFunction( td );
536 case TypeData::AggregateInst:
537 return buildAggInst( td );
538 case TypeData::EnumConstant:
539 // the name gets filled in later -- by SymTab::Validate
540 return new EnumInstType( buildQualifiers( td ), "" );
541 case TypeData::SymbolicInst:
542 return buildSymbolicInst( td );
543 case TypeData::Tuple:
544 return buildTuple( td );
545 case TypeData::Typeof:
546 case TypeData::Basetypeof:
547 return buildTypeof( td );
548 case TypeData::Builtin:
549 switch ( td->builtintype ) {
550 case DeclarationNode::Zero:
551 return new ZeroType( noQualifiers );
552 case DeclarationNode::One:
553 return new OneType( noQualifiers );
554 default:
555 return new VarArgsType( buildQualifiers( td ) );
556 } // switch
557 case TypeData::GlobalScope:
558 return new GlobalScopeType();
559 case TypeData::Qualified:
560 return new QualifiedType( buildQualifiers( td ), typebuild( td->qualified.parent ), typebuild( td->qualified.child ) );
561 case TypeData::Symbolic:
562 case TypeData::Enum:
563 case TypeData::Aggregate:
564 assert( false );
565 } // switch
566
567 return nullptr;
568} // typebuild
569
570
571TypeData * typeextractAggregate( const TypeData * td, bool toplevel ) {
572 TypeData * ret = nullptr;
573
574 switch ( td->kind ) {
575 case TypeData::Aggregate:
576 if ( ! toplevel && td->aggregate.body ) {
577 ret = td->clone();
578 } // if
579 break;
580 case TypeData::Enum:
581 if ( ! toplevel && td->enumeration.body ) {
582 ret = td->clone();
583 } // if
584 break;
585 case TypeData::AggregateInst:
586 if ( td->aggInst.aggregate ) {
587 ret = typeextractAggregate( td->aggInst.aggregate, false );
588 } // if
589 break;
590 default:
591 if ( td->base ) {
592 ret = typeextractAggregate( td->base, false );
593 } // if
594 } // switch
595 return ret;
596} // typeextractAggregate
597
598
599Type::Qualifiers buildQualifiers( const TypeData * td ) {
600 return td->qualifiers;
601} // buildQualifiers
602
603
604static string genTSError( string msg, DeclarationNode::BasicType basictype ) {
605 SemanticError( yylloc, string( "invalid type specifier \"" ) + msg + "\" for type \"" + DeclarationNode::basicTypeNames[basictype] + "\"." );
606} // genTSError
607
608Type * buildBasicType( const TypeData * td ) {
609 BasicType::Kind ret;
610
611 switch ( td->basictype ) {
612 case DeclarationNode::Void:
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 return new VoidType( buildQualifiers( td ) );
620 break;
621
622 case DeclarationNode::Bool:
623 if ( td->signedness != DeclarationNode::NoSignedness ) {
624 genTSError( DeclarationNode::signednessNames[ td->signedness ], td->basictype );
625 } // if
626 if ( td->length != DeclarationNode::NoLength ) {
627 genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
628 } // if
629
630 ret = BasicType::Bool;
631 break;
632
633 case DeclarationNode::Char:
634 // C11 Standard 6.2.5.15: The three types char, signed char, and unsigned char are collectively called the
635 // character types. The implementation shall define char to have the same range, representation, and behavior as
636 // either signed char or unsigned char.
637 static BasicType::Kind chartype[] = { BasicType::SignedChar, BasicType::UnsignedChar, BasicType::Char };
638
639 if ( td->length != DeclarationNode::NoLength ) {
640 genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
641 } // if
642
643 ret = chartype[ td->signedness ];
644 break;
645
646 case DeclarationNode::Int:
647 static BasicType::Kind inttype[2][4] = {
648 { BasicType::ShortSignedInt, BasicType::LongSignedInt, BasicType::LongLongSignedInt, BasicType::SignedInt },
649 { BasicType::ShortUnsignedInt, BasicType::LongUnsignedInt, BasicType::LongLongUnsignedInt, BasicType::UnsignedInt },
650 };
651
652 Integral: ;
653 if ( td->signedness == DeclarationNode::NoSignedness ) {
654 const_cast<TypeData *>(td)->signedness = DeclarationNode::Signed;
655 } // if
656 ret = inttype[ td->signedness ][ td->length ];
657 break;
658
659 case DeclarationNode::Int128:
660 ret = td->signedness == DeclarationNode::Unsigned ? BasicType::UnsignedInt128 : BasicType::SignedInt128;
661 if ( td->length != DeclarationNode::NoLength ) {
662 genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
663 } // if
664 break;
665
666 case DeclarationNode::Float:
667 case DeclarationNode::Double:
668 case DeclarationNode::LongDouble: // not set until below
669 case DeclarationNode::uuFloat80:
670 case DeclarationNode::uuFloat128:
671 case DeclarationNode::uFloat16:
672 case DeclarationNode::uFloat32:
673 case DeclarationNode::uFloat32x:
674 case DeclarationNode::uFloat64:
675 case DeclarationNode::uFloat64x:
676 case DeclarationNode::uFloat128:
677 case DeclarationNode::uFloat128x:
678 static BasicType::Kind floattype[2][12] = {
679 { 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, },
680 { BasicType::Float, BasicType::Double, BasicType::LongDouble, BasicType::uuFloat80, BasicType::uuFloat128, BasicType::uFloat16, BasicType::uFloat32, BasicType::uFloat32x, BasicType::uFloat64, BasicType::uFloat64x, BasicType::uFloat128, BasicType::uFloat128x, },
681 };
682
683 FloatingPoint: ;
684 if ( td->signedness != DeclarationNode::NoSignedness ) {
685 genTSError( DeclarationNode::signednessNames[ td->signedness ], td->basictype );
686 } // if
687 if ( td->length == DeclarationNode::Short || td->length == DeclarationNode::LongLong ) {
688 genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
689 } // if
690 if ( td->basictype != DeclarationNode::Double && td->length == DeclarationNode::Long ) {
691 genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
692 } // if
693 if ( td->complextype == DeclarationNode::Imaginary ) {
694 genTSError( DeclarationNode::complexTypeNames[ td->complextype ], td->basictype );
695 } // if
696 if ( (td->basictype == DeclarationNode::uuFloat80 || td->basictype == DeclarationNode::uuFloat128) && td->complextype == DeclarationNode::Complex ) { // gcc unsupported
697 genTSError( DeclarationNode::complexTypeNames[ td->complextype ], td->basictype );
698 } // if
699 if ( td->length == DeclarationNode::Long ) {
700 const_cast<TypeData *>(td)->basictype = DeclarationNode::LongDouble;
701 } // if
702
703 ret = floattype[ td->complextype ][ td->basictype - DeclarationNode::Float ];
704 //printf( "XXXX %d %d %d %d\n", td->complextype, td->basictype, DeclarationNode::Float, ret );
705 break;
706
707 case DeclarationNode::NoBasicType:
708 // No basic type in declaration => default double for Complex/Imaginary and int type for integral types
709 if ( td->complextype == DeclarationNode::Complex || td->complextype == DeclarationNode::Imaginary ) {
710 const_cast<TypeData *>(td)->basictype = DeclarationNode::Double;
711 goto FloatingPoint;
712 } // if
713
714 const_cast<TypeData *>(td)->basictype = DeclarationNode::Int;
715 goto Integral;
716 default:
717 assertf( false, "unknown basic type" );
718 return nullptr;
719 } // switch
720
721 BasicType * bt = new BasicType( buildQualifiers( td ), ret );
722 buildForall( td->forall, bt->get_forall() );
723 return bt;
724} // buildBasicType
725
726
727PointerType * buildPointer( const TypeData * td ) {
728 PointerType * pt;
729 if ( td->base ) {
730 pt = new PointerType( buildQualifiers( td ), typebuild( td->base ) );
731 } else {
732 pt = new PointerType( buildQualifiers( td ), new BasicType( Type::Qualifiers(), BasicType::SignedInt ) );
733 } // if
734 buildForall( td->forall, pt->get_forall() );
735 return pt;
736} // buildPointer
737
738
739ArrayType * buildArray( const TypeData * td ) {
740 ArrayType * at;
741 if ( td->base ) {
742 at = new ArrayType( buildQualifiers( td ), typebuild( td->base ), maybeBuild< Expression >( td->array.dimension ),
743 td->array.isVarLen, td->array.isStatic );
744 } else {
745 at = new ArrayType( buildQualifiers( td ), new BasicType( Type::Qualifiers(), BasicType::SignedInt ),
746 maybeBuild< Expression >( td->array.dimension ), td->array.isVarLen, td->array.isStatic );
747 } // if
748 buildForall( td->forall, at->get_forall() );
749 return at;
750} // buildArray
751
752
753ReferenceType * buildReference( const TypeData * td ) {
754 ReferenceType * rt;
755 if ( td->base ) {
756 rt = new ReferenceType( buildQualifiers( td ), typebuild( td->base ) );
757 } else {
758 rt = new ReferenceType( buildQualifiers( td ), new BasicType( Type::Qualifiers(), BasicType::SignedInt ) );
759 } // if
760 buildForall( td->forall, rt->get_forall() );
761 return rt;
762} // buildReference
763
764
765AggregateDecl * buildAggregate( const TypeData * td, std::list< Attribute * > attributes, LinkageSpec::Spec linkage ) {
766 assert( td->kind == TypeData::Aggregate );
767 AggregateDecl * at;
768 switch ( td->aggregate.kind ) {
769 case AggregateDecl::Struct:
770 case AggregateDecl::Coroutine:
771 case AggregateDecl::Generator:
772 case AggregateDecl::Monitor:
773 case AggregateDecl::Thread:
774 at = new StructDecl( *td->aggregate.name, td->aggregate.kind, attributes, linkage );
775 buildForall( td->aggregate.params, at->get_parameters() );
776 break;
777 case AggregateDecl::Union:
778 at = new UnionDecl( *td->aggregate.name, attributes, linkage );
779 buildForall( td->aggregate.params, at->get_parameters() );
780 break;
781 case AggregateDecl::Trait:
782 at = new TraitDecl( *td->aggregate.name, attributes, linkage );
783 buildList( td->aggregate.params, at->get_parameters() );
784 break;
785 default:
786 assert( false );
787 } // switch
788
789 buildList( td->aggregate.fields, at->get_members() );
790 at->set_body( td->aggregate.body );
791
792 return at;
793} // buildAggregate
794
795
796ReferenceToType * buildComAggInst( const TypeData * type, std::list< Attribute * > attributes, LinkageSpec::Spec linkage ) {
797 switch ( type->kind ) {
798 case TypeData::Enum: {
799 if ( type->enumeration.body ) {
800 EnumDecl * typedecl = buildEnum( type, attributes, linkage );
801 return new EnumInstType( buildQualifiers( type ), typedecl );
802 } else {
803 return new EnumInstType( buildQualifiers( type ), *type->enumeration.name );
804 } // if
805 }
806 case TypeData::Aggregate: {
807 ReferenceToType * ret;
808 if ( type->aggregate.body ) {
809 AggregateDecl * typedecl = buildAggregate( type, attributes, linkage );
810 switch ( type->aggregate.kind ) {
811 case AggregateDecl::Struct:
812 case AggregateDecl::Coroutine:
813 case AggregateDecl::Monitor:
814 case AggregateDecl::Thread:
815 ret = new StructInstType( buildQualifiers( type ), (StructDecl *)typedecl );
816 break;
817 case AggregateDecl::Union:
818 ret = new UnionInstType( buildQualifiers( type ), (UnionDecl *)typedecl );
819 break;
820 case AggregateDecl::Trait:
821 assert( false );
822 //ret = new TraitInstType( buildQualifiers( type ), (TraitDecl *)typedecl );
823 break;
824 default:
825 assert( false );
826 } // switch
827 } else {
828 switch ( type->aggregate.kind ) {
829 case AggregateDecl::Struct:
830 case AggregateDecl::Coroutine:
831 case AggregateDecl::Monitor:
832 case AggregateDecl::Thread:
833 ret = new StructInstType( buildQualifiers( type ), *type->aggregate.name );
834 break;
835 case AggregateDecl::Union:
836 ret = new UnionInstType( buildQualifiers( type ), *type->aggregate.name );
837 break;
838 case AggregateDecl::Trait:
839 ret = new TraitInstType( buildQualifiers( type ), *type->aggregate.name );
840 break;
841 default:
842 assert( false );
843 } // switch
844 } // if
845 return ret;
846 }
847 default:
848 assert( false );
849 } // switch
850} // buildAggInst
851
852
853ReferenceToType * buildAggInst( const TypeData * td ) {
854 assert( td->kind == TypeData::AggregateInst );
855
856 // ReferenceToType * ret = buildComAggInst( td->aggInst.aggregate, std::list< Attribute * >() );
857 ReferenceToType * ret = nullptr;
858 TypeData * type = td->aggInst.aggregate;
859 switch ( type->kind ) {
860 case TypeData::Enum: {
861 return new EnumInstType( buildQualifiers( type ), *type->enumeration.name );
862 }
863 case TypeData::Aggregate: {
864 switch ( type->aggregate.kind ) {
865 case AggregateDecl::Struct:
866 case AggregateDecl::Coroutine:
867 case AggregateDecl::Monitor:
868 case AggregateDecl::Thread:
869 ret = new StructInstType( buildQualifiers( type ), *type->aggregate.name );
870 break;
871 case AggregateDecl::Union:
872 ret = new UnionInstType( buildQualifiers( type ), *type->aggregate.name );
873 break;
874 case AggregateDecl::Trait:
875 ret = new TraitInstType( buildQualifiers( type ), *type->aggregate.name );
876 break;
877 default:
878 assert( false );
879 } // switch
880 }
881 break;
882 default:
883 assert( false );
884 } // switch
885
886 ret->set_hoistType( td->aggInst.hoistType );
887 buildList( td->aggInst.params, ret->get_parameters() );
888 buildForall( td->forall, ret->get_forall() );
889 return ret;
890} // buildAggInst
891
892
893NamedTypeDecl * buildSymbolic( const TypeData * td, std::list< Attribute * > attributes, const string & name, Type::StorageClasses scs, LinkageSpec::Spec linkage ) {
894 assert( td->kind == TypeData::Symbolic );
895 NamedTypeDecl * ret;
896 assert( td->base );
897 if ( td->symbolic.isTypedef ) {
898 ret = new TypedefDecl( name, td->location, scs, typebuild( td->base ), linkage );
899 } else {
900 ret = new TypeDecl( name, scs, typebuild( td->base ), TypeDecl::Dtype, true );
901 } // if
902 buildList( td->symbolic.assertions, ret->get_assertions() );
903 ret->base->attributes.splice( ret->base->attributes.end(), attributes );
904 return ret;
905} // buildSymbolic
906
907
908EnumDecl * buildEnum( const TypeData * td, std::list< Attribute * > attributes, LinkageSpec::Spec linkage ) {
909 assert( td->kind == TypeData::Enum );
910 EnumDecl * ret = new EnumDecl( *td->enumeration.name, attributes, linkage );
911 buildList( td->enumeration.constants, ret->get_members() );
912 list< Declaration * >::iterator members = ret->get_members().begin();
913 for ( const DeclarationNode * cur = td->enumeration. constants; cur != nullptr; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ), ++members ) {
914 if ( cur->has_enumeratorValue() ) {
915 ObjectDecl * member = dynamic_cast< ObjectDecl * >(* members);
916 member->set_init( new SingleInit( maybeMoveBuild< Expression >( cur->consume_enumeratorValue() ) ) );
917 } // if
918 } // for
919 ret->set_body( td->enumeration.body );
920 return ret;
921} // buildEnum
922
923
924TypeInstType * buildSymbolicInst( const TypeData * td ) {
925 assert( td->kind == TypeData::SymbolicInst );
926 TypeInstType * ret = new TypeInstType( buildQualifiers( td ), *td->symbolic.name, false );
927 buildList( td->symbolic.actuals, ret->get_parameters() );
928 buildForall( td->forall, ret->get_forall() );
929 return ret;
930} // buildSymbolicInst
931
932
933TupleType * buildTuple( const TypeData * td ) {
934 assert( td->kind == TypeData::Tuple );
935 std::list< Type * > types;
936 buildTypeList( td->tuple, types );
937 TupleType * ret = new TupleType( buildQualifiers( td ), types );
938 buildForall( td->forall, ret->get_forall() );
939 return ret;
940} // buildTuple
941
942
943TypeofType * buildTypeof( const TypeData * td ) {
944 assert( td->kind == TypeData::Typeof || td->kind == TypeData::Basetypeof );
945 assert( td->typeexpr );
946 // assert( td->typeexpr->expr );
947 return new TypeofType{
948 buildQualifiers( td ), td->typeexpr->build(), td->kind == TypeData::Basetypeof };
949} // buildTypeof
950
951
952Declaration * 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 ) {
953 if ( td->kind == TypeData::Function ) {
954 if ( td->function.idList ) { // KR function ?
955 buildKRFunction( td->function ); // transform into C11 function
956 } // if
957
958 FunctionDecl * decl;
959 Statement * stmt = maybeBuild<Statement>( td->function.body );
960 CompoundStmt * body = dynamic_cast< CompoundStmt * >( stmt );
961 decl = new FunctionDecl( name, scs, linkage, buildFunction( td ), body, attributes, funcSpec );
962 buildList( td->function.withExprs, decl->withExprs );
963 return decl->set_asmName( asmName );
964 } else if ( td->kind == TypeData::Aggregate ) {
965 return buildAggregate( td, attributes, linkage );
966 } else if ( td->kind == TypeData::Enum ) {
967 return buildEnum( td, attributes, linkage );
968 } else if ( td->kind == TypeData::Symbolic ) {
969 return buildSymbolic( td, attributes, name, scs, linkage );
970 } else {
971 return (new ObjectDecl( name, scs, linkage, bitfieldWidth, typebuild( td ), init, attributes ))->set_asmName( asmName );
972 } // if
973 return nullptr;
974} // buildDecl
975
976
977FunctionType * buildFunction( const TypeData * td ) {
978 assert( td->kind == TypeData::Function );
979 FunctionType * ft = new FunctionType( buildQualifiers( td ), ! td->function.params || td->function.params->hasEllipsis );
980 buildList( td->function.params, ft->parameters );
981 buildForall( td->forall, ft->forall );
982 if ( td->base ) {
983 switch ( td->base->kind ) {
984 case TypeData::Tuple:
985 buildList( td->base->tuple, ft->returnVals );
986 break;
987 default:
988 ft->get_returnVals().push_back( dynamic_cast< DeclarationWithType * >( buildDecl( td->base, "", Type::StorageClasses(), nullptr, Type::FuncSpecifiers(), LinkageSpec::Cforall, nullptr ) ) );
989 } // switch
990 } else {
991 ft->get_returnVals().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new BasicType( Type::Qualifiers(), BasicType::SignedInt ), nullptr ) );
992 } // if
993 return ft;
994} // buildFunction
995
996
997// Transform KR routine declarations into C99 routine declarations:
998//
999// rtn( a, b, c ) int a, c; double b {} => int rtn( int a, double c, int b ) {}
1000//
1001// The type information for each post-declaration is moved to the corresponding pre-parameter and the post-declaration
1002// is deleted. Note, the order of the parameter names may not be the same as the declaration names. Duplicate names and
1003// extra names are disallowed.
1004//
1005// Note, there is no KR routine-prototype syntax:
1006//
1007// rtn( a, b, c ) int a, c; double b; // invalid KR prototype
1008// rtn(); // valid KR prototype
1009
1010void buildKRFunction( const TypeData::Function_t & function ) {
1011 assert( ! function.params );
1012 // loop over declaration first as it is easier to spot errors
1013 for ( DeclarationNode * decl = function.oldDeclList; decl != nullptr; decl = dynamic_cast< DeclarationNode * >( decl->get_next() ) ) {
1014 // scan ALL parameter names for each declaration name to check for duplicates
1015 for ( DeclarationNode * param = function.idList; param != nullptr; param = dynamic_cast< DeclarationNode * >( param->get_next() ) ) {
1016 if ( *decl->name == *param->name ) {
1017 // type set => parameter name already transformed by a declaration names so there is a duplicate
1018 // declaration name attempting a second transformation
1019 if ( param->type ) SemanticError( param->location, string( "duplicate declaration name " ) + *param->name );
1020 // declaration type reset => declaration already transformed by a parameter name so there is a duplicate
1021 // parameter name attempting a second transformation
1022 if ( ! decl->type ) SemanticError( param->location, string( "duplicate parameter name " ) + *param->name );
1023 param->type = decl->type; // set copy declaration type to parameter type
1024 decl->type = nullptr; // reset declaration type
1025 param->attributes.splice( param->attributes.end(), decl->attributes ); // copy and reset attributes from declaration to parameter
1026 } // if
1027 } // for
1028 // declaration type still set => type not moved to a matching parameter so there is a missing parameter name
1029 if ( decl->type ) SemanticError( decl->location, string( "missing name in parameter list " ) + *decl->name );
1030 } // for
1031
1032 // Parameter names without a declaration default to type int:
1033 //
1034 // rtb( a, b, c ) const char * b; {} => int rtn( int a, const char * b, int c ) {}
1035
1036 for ( DeclarationNode * param = function.idList; param != nullptr; param = dynamic_cast< DeclarationNode * >( param->get_next() ) ) {
1037 if ( ! param->type ) { // generate type int for empty parameter type
1038 param->type = new TypeData( TypeData::Basic );
1039 param->type->basictype = DeclarationNode::Int;
1040 } // if
1041 } // for
1042
1043 function.params = function.idList; // newly modified idList becomes parameters
1044 function.idList = nullptr; // idList now empty
1045 delete function.oldDeclList; // deletes entire list
1046 function.oldDeclList = nullptr; // reset
1047} // buildKRFunction
1048
1049// Local Variables: //
1050// tab-width: 4 //
1051// mode: c++ //
1052// compile-command: "make install" //
1053// End: //
Note: See TracBrowser for help on using the repository browser.