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 : Thu Sep 12 22:43:59 2024 |
---|
13 | // Update Count : 735 |
---|
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 | |
---|
32 | class Attribute; |
---|
33 | |
---|
34 | using namespace std; |
---|
35 | |
---|
36 | // These must harmonize with the corresponding enumerations in the header. |
---|
37 | const 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 | }; |
---|
43 | const char * TypeData::complexTypeNames[] = { |
---|
44 | "_Complex", "NoComplexTypeNames", "_Imaginary" |
---|
45 | }; // Imaginary unsupported => parse, but make invisible and print error message |
---|
46 | const char * TypeData::signednessNames[] = { |
---|
47 | "signed", "unsigned", "NoSignednessNames" |
---|
48 | }; |
---|
49 | const char * TypeData::lengthNames[] = { |
---|
50 | "short", "long", "long long", "NoLengthNames" |
---|
51 | }; |
---|
52 | const char * TypeData::builtinTypeNames[] = { |
---|
53 | "__builtin_va_list", "__auto_type", "zero_t", "one_t", "NoBuiltinTypeNames" |
---|
54 | }; |
---|
55 | |
---|
56 | TypeData::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 | |
---|
120 | TypeData::~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 | |
---|
179 | TypeData * 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 | |
---|
258 | void 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 | |
---|
440 | const 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 | |
---|
469 | TypeData * TypeData::getLastBase() { |
---|
470 | TypeData * cur = this; |
---|
471 | while ( cur->base ) cur = cur->base; |
---|
472 | return cur; |
---|
473 | } |
---|
474 | |
---|
475 | void TypeData::setLastBase( TypeData * newBase ) { |
---|
476 | getLastBase()->base = newBase; |
---|
477 | } |
---|
478 | |
---|
479 | |
---|
480 | // Wrap an aggregate up in an instance. Takes and gives ownership. |
---|
481 | static 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 | |
---|
492 | TypeData * build_type_qualifier( ast::CV::Qualifiers tq ) { |
---|
493 | TypeData * type = new TypeData; |
---|
494 | type->qualifiers = tq; |
---|
495 | return type; |
---|
496 | } |
---|
497 | |
---|
498 | TypeData * build_basic_type( TypeData::BasicType basic ) { |
---|
499 | TypeData * type = new TypeData( TypeData::Basic ); |
---|
500 | type->basictype = basic; |
---|
501 | return type; |
---|
502 | } |
---|
503 | |
---|
504 | TypeData * build_complex_type( TypeData::ComplexType complex ) { |
---|
505 | TypeData * type = new TypeData( TypeData::Basic ); |
---|
506 | type->complextype = complex; |
---|
507 | return type; |
---|
508 | } |
---|
509 | |
---|
510 | TypeData * build_signedness( TypeData::Signedness signedness ) { |
---|
511 | TypeData * type = new TypeData( TypeData::Basic ); |
---|
512 | type->signedness = signedness; |
---|
513 | return type; |
---|
514 | } |
---|
515 | |
---|
516 | TypeData * build_builtin_type( TypeData::BuiltinType bit ) { |
---|
517 | TypeData * type = new TypeData( TypeData::Builtin ); |
---|
518 | type->builtintype = bit; |
---|
519 | return type; |
---|
520 | } |
---|
521 | |
---|
522 | TypeData * build_length( TypeData::Length length ) { |
---|
523 | TypeData * type = new TypeData( TypeData::Basic ); |
---|
524 | type->length = length; |
---|
525 | return type; |
---|
526 | } |
---|
527 | |
---|
528 | TypeData * build_forall( DeclarationNode * forall ) { |
---|
529 | TypeData * type = new TypeData( TypeData::Unknown ); |
---|
530 | type->forall = forall; |
---|
531 | return type; |
---|
532 | } |
---|
533 | |
---|
534 | TypeData * build_global_scope() { |
---|
535 | return new TypeData( TypeData::GlobalScope ); |
---|
536 | } |
---|
537 | |
---|
538 | TypeData * 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 | |
---|
545 | TypeData * 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 | |
---|
553 | TypeData * 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 | |
---|
561 | TypeData * 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. |
---|
568 | static 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. |
---|
581 | TypeData * 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. |
---|
596 | static 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. |
---|
662 | TypeData * 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 | |
---|
675 | TypeData * 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. |
---|
681 | TypeData * 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 | |
---|
702 | TypeData * makeNewBase( TypeData * type ) { |
---|
703 | return ( TypeData::Aggregate == type->kind ) ? makeInstance( type ) : type; |
---|
704 | } |
---|
705 | |
---|
706 | |
---|
707 | void 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 | |
---|
860 | void 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 | |
---|
1009 | ast::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 | |
---|
1067 | TypeData * 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 | |
---|
1090 | ast::CV::Qualifiers buildQualifiers( const TypeData * td ) { |
---|
1091 | return td->qualifiers; |
---|
1092 | } // buildQualifiers |
---|
1093 | |
---|
1094 | |
---|
1095 | static 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 | |
---|
1099 | ast::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::Float80: |
---|
1161 | case TypeData::uuFloat128: |
---|
1162 | case TypeData::Float16: |
---|
1163 | case TypeData::Float32: |
---|
1164 | case TypeData::Float32x: |
---|
1165 | case TypeData::Float64: |
---|
1166 | case TypeData::Float64x: |
---|
1167 | case TypeData::Float128: |
---|
1168 | case TypeData::Float128x: |
---|
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::Float16Complex, ast::BasicKind::Float32Complex, ast::BasicKind::Float32xComplex, ast::BasicKind::Float64Complex, ast::BasicKind::Float64xComplex, ast::BasicKind::Float128Complex, ast::BasicKind::Float128xComplex, }, |
---|
1171 | { ast::BasicKind::Float, ast::BasicKind::Double, ast::BasicKind::LongDouble, ast::BasicKind::Float80, ast::BasicKind::uuFloat128, ast::BasicKind::Float16, ast::BasicKind::Float32, ast::BasicKind::Float32x, ast::BasicKind::Float64, ast::BasicKind::Float64x, ast::BasicKind::Float128, ast::BasicKind::Float128x, }, |
---|
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::Float80 || 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 | |
---|
1208 | case TypeData::Float32x4: case TypeData::Float64x2: case TypeData::Svfloat32: case TypeData:: Svfloat64: case TypeData::Svbool: |
---|
1209 | return nullptr; |
---|
1210 | default: |
---|
1211 | assertf( false, "unknown basic type" ); |
---|
1212 | return nullptr; |
---|
1213 | } // switch |
---|
1214 | |
---|
1215 | ast::BasicType * bt = new ast::BasicType( ret, buildQualifiers( td ) ); |
---|
1216 | return bt; |
---|
1217 | } // buildBasicType |
---|
1218 | |
---|
1219 | |
---|
1220 | static ast::Type * buildDefaultType( const TypeData * td ) { |
---|
1221 | return ( td ) ? typebuild( td ) : new ast::BasicType( ast::BasicKind::SignedInt ); |
---|
1222 | } // buildDefaultType |
---|
1223 | |
---|
1224 | |
---|
1225 | ast::PointerType * buildPointer( const TypeData * td ) { |
---|
1226 | return new ast::PointerType( |
---|
1227 | buildDefaultType( td->base ), |
---|
1228 | buildQualifiers( td ) |
---|
1229 | ); |
---|
1230 | } // buildPointer |
---|
1231 | |
---|
1232 | |
---|
1233 | ast::ArrayType * buildArray( const TypeData * td ) { |
---|
1234 | return new ast::ArrayType( |
---|
1235 | buildDefaultType( td->base ), |
---|
1236 | maybeBuild( td->array.dimension ), |
---|
1237 | td->array.isVarLen ? ast::VariableLen : ast::FixedLen, |
---|
1238 | td->array.isStatic ? ast::StaticDim : ast::DynamicDim, |
---|
1239 | buildQualifiers( td ) |
---|
1240 | ); |
---|
1241 | } // buildArray |
---|
1242 | |
---|
1243 | |
---|
1244 | ast::ReferenceType * buildReference( const TypeData * td ) { |
---|
1245 | return new ast::ReferenceType( |
---|
1246 | buildDefaultType( td->base ), |
---|
1247 | buildQualifiers( td ) |
---|
1248 | ); |
---|
1249 | } // buildReference |
---|
1250 | |
---|
1251 | |
---|
1252 | ast::AggregateDecl * buildAggregate( const TypeData * td, std::vector<ast::ptr<ast::Attribute>> attributes, ast::Linkage::Spec linkage ) { |
---|
1253 | assert( td->kind == TypeData::Aggregate ); |
---|
1254 | ast::AggregateDecl * at; |
---|
1255 | switch ( td->aggregate.kind ) { |
---|
1256 | case ast::AggregateDecl::Struct: |
---|
1257 | case ast::AggregateDecl::Coroutine: |
---|
1258 | case ast::AggregateDecl::Exception: |
---|
1259 | case ast::AggregateDecl::Generator: |
---|
1260 | case ast::AggregateDecl::Monitor: |
---|
1261 | case ast::AggregateDecl::Thread: |
---|
1262 | at = new ast::StructDecl( td->location, |
---|
1263 | *td->aggregate.name, |
---|
1264 | td->aggregate.kind, |
---|
1265 | std::move( attributes ), |
---|
1266 | linkage |
---|
1267 | ); |
---|
1268 | buildForall( td->aggregate.params, at->params ); |
---|
1269 | break; |
---|
1270 | case ast::AggregateDecl::Union: |
---|
1271 | at = new ast::UnionDecl( td->location, |
---|
1272 | *td->aggregate.name, |
---|
1273 | std::move( attributes ), |
---|
1274 | linkage |
---|
1275 | ); |
---|
1276 | buildForall( td->aggregate.params, at->params ); |
---|
1277 | break; |
---|
1278 | case ast::AggregateDecl::Enum: |
---|
1279 | return buildEnum( td, std::move( attributes ), linkage ); |
---|
1280 | case ast::AggregateDecl::Trait: |
---|
1281 | at = new ast::TraitDecl( td->location, |
---|
1282 | *td->aggregate.name, |
---|
1283 | std::move( attributes ), |
---|
1284 | linkage |
---|
1285 | ); |
---|
1286 | buildList( td->aggregate.params, at->params ); |
---|
1287 | break; |
---|
1288 | default: |
---|
1289 | assert( false ); |
---|
1290 | } // switch |
---|
1291 | |
---|
1292 | buildList( td->aggregate.fields, at->members ); |
---|
1293 | at->set_body( td->aggregate.body ); |
---|
1294 | |
---|
1295 | return at; |
---|
1296 | } // buildAggregate |
---|
1297 | |
---|
1298 | |
---|
1299 | ast::BaseInstType * buildComAggInst( |
---|
1300 | const TypeData * td, |
---|
1301 | std::vector<ast::ptr<ast::Attribute>> && attributes, |
---|
1302 | ast::Linkage::Spec linkage ) { |
---|
1303 | switch ( td->kind ) { |
---|
1304 | case TypeData::Aggregate: |
---|
1305 | if ( td->aggregate.body ) { |
---|
1306 | ast::AggregateDecl * typedecl = |
---|
1307 | buildAggregate( td, std::move( attributes ), linkage ); |
---|
1308 | switch ( td->aggregate.kind ) { |
---|
1309 | case ast::AggregateDecl::Struct: |
---|
1310 | case ast::AggregateDecl::Coroutine: |
---|
1311 | case ast::AggregateDecl::Monitor: |
---|
1312 | case ast::AggregateDecl::Thread: |
---|
1313 | return new ast::StructInstType( |
---|
1314 | strict_dynamic_cast<ast::StructDecl *>( typedecl ), |
---|
1315 | buildQualifiers( td ) |
---|
1316 | ); |
---|
1317 | case ast::AggregateDecl::Union: |
---|
1318 | return new ast::UnionInstType( |
---|
1319 | strict_dynamic_cast<ast::UnionDecl *>( typedecl ), |
---|
1320 | buildQualifiers( td ) |
---|
1321 | ); |
---|
1322 | case ast::AggregateDecl::Enum: |
---|
1323 | return new ast::EnumInstType( |
---|
1324 | strict_dynamic_cast<ast::EnumDecl *>( typedecl ), |
---|
1325 | buildQualifiers( td ) |
---|
1326 | ); |
---|
1327 | case ast::AggregateDecl::Trait: |
---|
1328 | assert( false ); |
---|
1329 | break; |
---|
1330 | default: |
---|
1331 | assert( false ); |
---|
1332 | } // switch |
---|
1333 | } else { |
---|
1334 | switch ( td->aggregate.kind ) { |
---|
1335 | case ast::AggregateDecl::Struct: |
---|
1336 | case ast::AggregateDecl::Coroutine: |
---|
1337 | case ast::AggregateDecl::Monitor: |
---|
1338 | case ast::AggregateDecl::Thread: |
---|
1339 | return new ast::StructInstType( |
---|
1340 | *td->aggregate.name, |
---|
1341 | buildQualifiers( td ) |
---|
1342 | ); |
---|
1343 | case ast::AggregateDecl::Union: |
---|
1344 | return new ast::UnionInstType( |
---|
1345 | *td->aggregate.name, |
---|
1346 | buildQualifiers( td ) |
---|
1347 | ); |
---|
1348 | case ast::AggregateDecl::Enum: |
---|
1349 | return new ast::EnumInstType( |
---|
1350 | *td->aggregate.name, |
---|
1351 | buildQualifiers( td ) |
---|
1352 | ); |
---|
1353 | case ast::AggregateDecl::Trait: |
---|
1354 | return new ast::TraitInstType( |
---|
1355 | *td->aggregate.name, |
---|
1356 | buildQualifiers( td ) |
---|
1357 | ); |
---|
1358 | default: |
---|
1359 | assert( false ); |
---|
1360 | } // switch |
---|
1361 | break; |
---|
1362 | } // if |
---|
1363 | break; |
---|
1364 | default: |
---|
1365 | assert( false ); |
---|
1366 | } // switch |
---|
1367 | assert( false ); |
---|
1368 | } // buildAggInst |
---|
1369 | |
---|
1370 | |
---|
1371 | ast::BaseInstType * buildAggInst( const TypeData * td ) { |
---|
1372 | assert( td->kind == TypeData::AggregateInst ); |
---|
1373 | |
---|
1374 | ast::BaseInstType * ret = nullptr; |
---|
1375 | TypeData * type = td->aggInst.aggregate; |
---|
1376 | switch ( type->kind ) { |
---|
1377 | case TypeData::Aggregate: |
---|
1378 | switch ( type->aggregate.kind ) { |
---|
1379 | case ast::AggregateDecl::Struct: |
---|
1380 | case ast::AggregateDecl::Coroutine: |
---|
1381 | case ast::AggregateDecl::Monitor: |
---|
1382 | case ast::AggregateDecl::Thread: |
---|
1383 | ret = new ast::StructInstType( |
---|
1384 | *type->aggregate.name, |
---|
1385 | buildQualifiers( type ) |
---|
1386 | ); |
---|
1387 | break; |
---|
1388 | case ast::AggregateDecl::Union: |
---|
1389 | ret = new ast::UnionInstType( |
---|
1390 | *type->aggregate.name, |
---|
1391 | buildQualifiers( type ) |
---|
1392 | ); |
---|
1393 | break; |
---|
1394 | case ast::AggregateDecl::Enum: |
---|
1395 | ret = new ast::EnumInstType( |
---|
1396 | *type->aggregate.name, |
---|
1397 | buildQualifiers( type ) |
---|
1398 | ); |
---|
1399 | break; |
---|
1400 | case ast::AggregateDecl::Trait: |
---|
1401 | ret = new ast::TraitInstType( |
---|
1402 | *type->aggregate.name, |
---|
1403 | buildQualifiers( type ) |
---|
1404 | ); |
---|
1405 | break; |
---|
1406 | default: |
---|
1407 | assert( false ); |
---|
1408 | } // switch |
---|
1409 | break; |
---|
1410 | default: |
---|
1411 | assert( false ); |
---|
1412 | } // switch |
---|
1413 | |
---|
1414 | ret->hoistType = td->aggInst.hoistType; |
---|
1415 | buildList( td->aggInst.params, ret->params ); |
---|
1416 | return ret; |
---|
1417 | } // buildAggInst |
---|
1418 | |
---|
1419 | |
---|
1420 | ast::NamedTypeDecl * buildSymbolic( |
---|
1421 | const TypeData * td, |
---|
1422 | std::vector<ast::ptr<ast::Attribute>> attributes, |
---|
1423 | const std::string & name, |
---|
1424 | ast::Storage::Classes scs, |
---|
1425 | ast::Linkage::Spec linkage ) { |
---|
1426 | assert( td->kind == TypeData::Symbolic ); |
---|
1427 | ast::NamedTypeDecl * ret; |
---|
1428 | assert( td->base ); |
---|
1429 | if ( td->symbolic.isTypedef ) { |
---|
1430 | ret = new ast::TypedefDecl( |
---|
1431 | td->location, |
---|
1432 | name, |
---|
1433 | scs, |
---|
1434 | typebuild( td->base ), |
---|
1435 | linkage |
---|
1436 | ); |
---|
1437 | } else { |
---|
1438 | ret = new ast::TypeDecl( |
---|
1439 | td->location, |
---|
1440 | name, |
---|
1441 | scs, |
---|
1442 | typebuild( td->base ), |
---|
1443 | ast::TypeDecl::Dtype, |
---|
1444 | true |
---|
1445 | ); |
---|
1446 | } // if |
---|
1447 | buildList( td->symbolic.assertions, ret->assertions ); |
---|
1448 | splice( ret->base.get_and_mutate()->attributes, attributes ); |
---|
1449 | return ret; |
---|
1450 | } // buildSymbolic |
---|
1451 | |
---|
1452 | |
---|
1453 | ast::EnumDecl * buildEnum( |
---|
1454 | const TypeData * td, |
---|
1455 | std::vector<ast::ptr<ast::Attribute>> && attributes, |
---|
1456 | ast::Linkage::Spec linkage ) { |
---|
1457 | assert( td->kind == TypeData::Aggregate ); |
---|
1458 | assert( td->aggregate.kind == ast::AggregateDecl::Enum ); |
---|
1459 | ast::ptr<ast::Type> baseType; |
---|
1460 | if ( td->base ) { |
---|
1461 | if ( td->base->kind == TypeData::Aggregate ) { |
---|
1462 | baseType = buildComAggInst( td->base, copy(attributes), linkage ); |
---|
1463 | } else { |
---|
1464 | baseType = typebuild( td->base ); |
---|
1465 | } |
---|
1466 | } |
---|
1467 | ast::EnumDecl * ret = new ast::EnumDecl( |
---|
1468 | td->location, |
---|
1469 | *td->aggregate.name, |
---|
1470 | td->aggregate.isCfa, |
---|
1471 | std::move( attributes ), |
---|
1472 | linkage, |
---|
1473 | baseType |
---|
1474 | ); |
---|
1475 | buildList( td->aggregate.fields, ret->members ); |
---|
1476 | auto members = ret->members.begin(); |
---|
1477 | ret->hide = td->aggregate.hiding == EnumHiding::Hide ? ast::EnumDecl::EnumHiding::Hide : ast::EnumDecl::EnumHiding::Visible; |
---|
1478 | for ( const DeclarationNode * cur = td->aggregate.fields ; cur != nullptr ; cur = cur->next, ++members ) { |
---|
1479 | if (cur->enumInLine) continue; |
---|
1480 | ast::Decl * member = members->get_and_mutate(); |
---|
1481 | ast::ObjectDecl * object = strict_dynamic_cast<ast::ObjectDecl *>( member ); |
---|
1482 | object->isHidden = ast::EnumDecl::EnumHiding::Hide == ret->hide; |
---|
1483 | if ( ret->isOpaque() && cur->has_enumeratorValue() ) { |
---|
1484 | SemanticError( td->location, "Opague cannot have an explicit initializer value." ); |
---|
1485 | } else if ( cur->has_enumeratorValue() ) { |
---|
1486 | ast::Expr * initValue; |
---|
1487 | if ( ret->isCfa && ret->base ) { |
---|
1488 | initValue = new ast::CastExpr( cur->enumeratorValue->location, maybeMoveBuild( cur->consume_enumeratorValue() ), |
---|
1489 | ret->base ); |
---|
1490 | } else { |
---|
1491 | initValue = maybeMoveBuild( cur->consume_enumeratorValue() ); |
---|
1492 | } |
---|
1493 | object->init = new ast::SingleInit( |
---|
1494 | td->location, |
---|
1495 | initValue, |
---|
1496 | ast::NoConstruct |
---|
1497 | ); |
---|
1498 | } |
---|
1499 | // else cur is a List Initializer and has been set as init in buildList() |
---|
1500 | // if |
---|
1501 | } // for |
---|
1502 | ret->body = td->aggregate.body; |
---|
1503 | return ret; |
---|
1504 | } // buildEnum |
---|
1505 | |
---|
1506 | |
---|
1507 | ast::TypeInstType * buildSymbolicInst( const TypeData * td ) { |
---|
1508 | assert( td->kind == TypeData::SymbolicInst ); |
---|
1509 | ast::TypeInstType * ret = new ast::TypeInstType( |
---|
1510 | *td->symbolic.name, |
---|
1511 | ast::TypeDecl::Dtype, |
---|
1512 | buildQualifiers( td ) |
---|
1513 | ); |
---|
1514 | buildList( td->symbolic.actuals, ret->params ); |
---|
1515 | return ret; |
---|
1516 | } // buildSymbolicInst |
---|
1517 | |
---|
1518 | |
---|
1519 | ast::TupleType * buildTuple( const TypeData * td ) { |
---|
1520 | assert( td->kind == TypeData::Tuple ); |
---|
1521 | std::vector<ast::ptr<ast::Type>> types; |
---|
1522 | buildTypeList( td->tuple, types ); |
---|
1523 | ast::TupleType * ret = new ast::TupleType( |
---|
1524 | std::move( types ), |
---|
1525 | buildQualifiers( td ) |
---|
1526 | ); |
---|
1527 | return ret; |
---|
1528 | } // buildTuple |
---|
1529 | |
---|
1530 | |
---|
1531 | ast::TypeofType * buildTypeof( const TypeData * td ) { |
---|
1532 | assert( td->kind == TypeData::Typeof || td->kind == TypeData::Basetypeof ); |
---|
1533 | assert( td->typeexpr ); |
---|
1534 | return new ast::TypeofType( |
---|
1535 | td->typeexpr->build(), |
---|
1536 | td->kind == TypeData::Typeof |
---|
1537 | ? ast::TypeofType::Typeof : ast::TypeofType::Basetypeof, |
---|
1538 | buildQualifiers( td ) |
---|
1539 | ); |
---|
1540 | } // buildTypeof |
---|
1541 | |
---|
1542 | |
---|
1543 | ast::VTableType * buildVtable( const TypeData * td ) { |
---|
1544 | assert( td->base ); |
---|
1545 | return new ast::VTableType( |
---|
1546 | typebuild( td->base ), |
---|
1547 | buildQualifiers( td ) |
---|
1548 | ); |
---|
1549 | } // buildVtable |
---|
1550 | |
---|
1551 | |
---|
1552 | // The argument flag (is/is not var-args) of a computed property. |
---|
1553 | static ast::ArgumentFlag buildArgumentFlag( const TypeData * td ) { |
---|
1554 | assert( td->kind == TypeData::Function ); |
---|
1555 | bool isVarArgs = !td->function.params || td->function.params->hasEllipsis; |
---|
1556 | return (isVarArgs) ? ast::VariableArgs : ast::FixedArgs; |
---|
1557 | } |
---|
1558 | |
---|
1559 | |
---|
1560 | // Wrapper to convert the void parameter into the empty explicit list. |
---|
1561 | static void buildParamList( DeclarationNode * decl, |
---|
1562 | std::vector<ast::ptr<ast::DeclWithType>> & params ) { |
---|
1563 | buildList( decl, params ); |
---|
1564 | if ( 1 == params.size() && params[0]->get_type()->isVoid() ) { |
---|
1565 | params.pop_back(); |
---|
1566 | } |
---|
1567 | } |
---|
1568 | |
---|
1569 | |
---|
1570 | ast::FunctionDecl * buildFunctionDecl( |
---|
1571 | const TypeData * td, |
---|
1572 | const string &name, |
---|
1573 | ast::Storage::Classes scs, |
---|
1574 | ast::Function::Specs funcSpec, |
---|
1575 | ast::Linkage::Spec linkage, |
---|
1576 | ast::Expr * asmName, |
---|
1577 | std::vector<ast::ptr<ast::Attribute>> && attributes ) { |
---|
1578 | assert( td->kind == TypeData::Function ); |
---|
1579 | ast::CV::Qualifiers cvq = buildQualifiers( td ); |
---|
1580 | std::vector<ast::ptr<ast::TypeDecl>> forall; |
---|
1581 | std::vector<ast::ptr<ast::DeclWithType>> assertions; |
---|
1582 | std::vector<ast::ptr<ast::DeclWithType>> params; |
---|
1583 | std::vector<ast::ptr<ast::DeclWithType>> returns; |
---|
1584 | buildParamList( td->function.params, params ); |
---|
1585 | buildForall( td->forall, forall ); |
---|
1586 | // Functions do not store their assertions there anymore. |
---|
1587 | for ( ast::ptr<ast::TypeDecl> & type_param : forall ) { |
---|
1588 | auto mut = type_param.get_and_mutate(); |
---|
1589 | splice( assertions, mut->assertions ); |
---|
1590 | } |
---|
1591 | if ( td->base ) { |
---|
1592 | switch ( td->base->kind ) { |
---|
1593 | case TypeData::Tuple: |
---|
1594 | buildList( td->base->tuple, returns ); |
---|
1595 | break; |
---|
1596 | default: |
---|
1597 | returns.push_back( dynamic_cast<ast::DeclWithType *>( |
---|
1598 | buildDecl( |
---|
1599 | td->base, |
---|
1600 | "", |
---|
1601 | ast::Storage::Classes(), |
---|
1602 | (ast::Expr *)nullptr, // bitfieldWidth |
---|
1603 | ast::Function::Specs(), |
---|
1604 | ast::Linkage::Cforall, |
---|
1605 | (ast::Expr *)nullptr // asmName |
---|
1606 | ) |
---|
1607 | ) ); |
---|
1608 | } // switch |
---|
1609 | } else { |
---|
1610 | returns.push_back( new ast::ObjectDecl( |
---|
1611 | td->location, |
---|
1612 | "", |
---|
1613 | new ast::BasicType( ast::BasicKind::SignedInt ), |
---|
1614 | (ast::Init *)nullptr, |
---|
1615 | ast::Storage::Classes(), |
---|
1616 | ast::Linkage::Cforall |
---|
1617 | ) ); |
---|
1618 | } // if |
---|
1619 | ast::Stmt * stmt = maybeBuild( td->function.body ); |
---|
1620 | ast::CompoundStmt * body = dynamic_cast<ast::CompoundStmt *>( stmt ); |
---|
1621 | ast::FunctionDecl * decl = new ast::FunctionDecl( td->location, |
---|
1622 | name, |
---|
1623 | std::move( forall ), |
---|
1624 | std::move( assertions ), |
---|
1625 | std::move( params ), |
---|
1626 | std::move( returns ), |
---|
1627 | body, |
---|
1628 | scs, |
---|
1629 | linkage, |
---|
1630 | std::move( attributes ), |
---|
1631 | funcSpec, |
---|
1632 | buildArgumentFlag( td ) |
---|
1633 | ); |
---|
1634 | buildList( td->function.withExprs, decl->withExprs ); |
---|
1635 | decl->asmName = asmName; |
---|
1636 | // This may be redundant on a declaration. |
---|
1637 | decl->type.get_and_mutate()->qualifiers = cvq; |
---|
1638 | return decl; |
---|
1639 | } // buildFunctionDecl |
---|
1640 | |
---|
1641 | |
---|
1642 | ast::Decl * buildDecl( |
---|
1643 | const TypeData * td, |
---|
1644 | const string &name, |
---|
1645 | ast::Storage::Classes scs, |
---|
1646 | ast::Expr * bitfieldWidth, |
---|
1647 | ast::Function::Specs funcSpec, |
---|
1648 | ast::Linkage::Spec linkage, |
---|
1649 | ast::Expr * asmName, |
---|
1650 | ast::Init * init, |
---|
1651 | std::vector<ast::ptr<ast::Attribute>> && attributes ) { |
---|
1652 | if ( td->kind == TypeData::Function ) { |
---|
1653 | if ( td->function.idList ) { // KR function ? |
---|
1654 | buildKRFunction( td->function ); // transform into C11 function |
---|
1655 | } // if |
---|
1656 | |
---|
1657 | return buildFunctionDecl( |
---|
1658 | td, name, scs, funcSpec, linkage, |
---|
1659 | asmName, std::move( attributes ) ); |
---|
1660 | } else if ( td->kind == TypeData::Aggregate ) { |
---|
1661 | return buildAggregate( td, std::move( attributes ), linkage ); |
---|
1662 | } else if ( td->kind == TypeData::Symbolic ) { |
---|
1663 | return buildSymbolic( td, std::move( attributes ), name, scs, linkage ); |
---|
1664 | } else { |
---|
1665 | auto ret = new ast::ObjectDecl( td->location, |
---|
1666 | name, |
---|
1667 | typebuild( td ), |
---|
1668 | init, |
---|
1669 | scs, |
---|
1670 | linkage, |
---|
1671 | bitfieldWidth, |
---|
1672 | std::move( attributes ) |
---|
1673 | ); |
---|
1674 | ret->asmName = asmName; |
---|
1675 | return ret; |
---|
1676 | } // if |
---|
1677 | return nullptr; |
---|
1678 | } // buildDecl |
---|
1679 | |
---|
1680 | |
---|
1681 | ast::FunctionType * buildFunctionType( const TypeData * td ) { |
---|
1682 | assert( td->kind == TypeData::Function ); |
---|
1683 | ast::FunctionType * ft = new ast::FunctionType( |
---|
1684 | buildArgumentFlag( td ), |
---|
1685 | buildQualifiers( td ) |
---|
1686 | ); |
---|
1687 | buildTypeList( td->function.params, ft->params ); |
---|
1688 | buildForall( td->forall, ft->forall ); |
---|
1689 | if ( td->base ) { |
---|
1690 | switch ( td->base->kind ) { |
---|
1691 | case TypeData::Tuple: |
---|
1692 | buildTypeList( td->base->tuple, ft->returns ); |
---|
1693 | break; |
---|
1694 | default: |
---|
1695 | ft->returns.push_back( typebuild( td->base ) ); |
---|
1696 | break; |
---|
1697 | } // switch |
---|
1698 | } else { |
---|
1699 | ft->returns.push_back( |
---|
1700 | new ast::BasicType( ast::BasicKind::SignedInt ) ); |
---|
1701 | } // if |
---|
1702 | return ft; |
---|
1703 | } // buildFunctionType |
---|
1704 | |
---|
1705 | |
---|
1706 | // Transform KR routine declarations into C99 routine declarations: |
---|
1707 | // |
---|
1708 | // rtn( a, b, c ) int a, c; double b {} => int rtn( int a, double c, int b ) {} |
---|
1709 | // |
---|
1710 | // The type information for each post-declaration is moved to the corresponding pre-parameter and the post-declaration |
---|
1711 | // is deleted. Note, the order of the parameter names may not be the same as the declaration names. Duplicate names and |
---|
1712 | // extra names are disallowed. |
---|
1713 | // |
---|
1714 | // Note, there is no KR routine-prototype syntax: |
---|
1715 | // |
---|
1716 | // rtn( a, b, c ) int a, c; double b; // invalid KR prototype |
---|
1717 | // rtn(); // valid KR prototype |
---|
1718 | |
---|
1719 | void buildKRFunction( const TypeData::Function_t & function ) { |
---|
1720 | assert( ! function.params ); |
---|
1721 | // loop over declaration first as it is easier to spot errors |
---|
1722 | for ( DeclarationNode * decl = function.oldDeclList; decl != nullptr; decl = decl->next ) { |
---|
1723 | // scan ALL parameter names for each declaration name to check for duplicates |
---|
1724 | for ( DeclarationNode * param = function.idList; param != nullptr; param = param->next ) { |
---|
1725 | if ( *decl->name == *param->name ) { |
---|
1726 | // type set => parameter name already transformed by a declaration names so there is a duplicate |
---|
1727 | // declaration name attempting a second transformation |
---|
1728 | if ( param->type ) SemanticError( param->location, "duplicate declaration name \"%s\".", param->name->c_str() ); |
---|
1729 | // declaration type reset => declaration already transformed by a parameter name so there is a duplicate |
---|
1730 | // parameter name attempting a second transformation |
---|
1731 | if ( ! decl->type ) SemanticError( param->location, "duplicate parameter name \"%s\".", param->name->c_str() ); |
---|
1732 | param->type = decl->type; // set copy declaration type to parameter type |
---|
1733 | decl->type = nullptr; // reset declaration type |
---|
1734 | // Copy and reset attributes from declaration to parameter: |
---|
1735 | splice( param->attributes, decl->attributes ); |
---|
1736 | } // if |
---|
1737 | } // for |
---|
1738 | // declaration type still set => type not moved to a matching parameter so there is a missing parameter name |
---|
1739 | if ( decl->type ) SemanticError( decl->location, "missing name in parameter list %s", decl->name->c_str() ); |
---|
1740 | } // for |
---|
1741 | |
---|
1742 | // Parameter names without a declaration default to type int: |
---|
1743 | // |
---|
1744 | // rtb( a, b, c ) const char * b; {} => int rtn( int a, const char * b, int c ) {} |
---|
1745 | |
---|
1746 | for ( DeclarationNode * param = function.idList; param != nullptr; param = param->next ) { |
---|
1747 | if ( ! param->type ) { // generate type int for empty parameter type |
---|
1748 | param->type = new TypeData( TypeData::Basic ); |
---|
1749 | param->type->basictype = TypeData::Int; |
---|
1750 | } // if |
---|
1751 | } // for |
---|
1752 | |
---|
1753 | function.params = function.idList; // newly modified idList becomes parameters |
---|
1754 | function.idList = nullptr; // idList now empty |
---|
1755 | delete function.oldDeclList; // deletes entire list |
---|
1756 | function.oldDeclList = nullptr; // reset |
---|
1757 | } // buildKRFunction |
---|
1758 | |
---|
1759 | // Local Variables: // |
---|
1760 | // tab-width: 4 // |
---|
1761 | // mode: c++ // |
---|
1762 | // compile-command: "make install" // |
---|
1763 | // End: // |
---|