source: src/Parser/DeclarationNode.cc@ e9e4e9ee

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since e9e4e9ee was 44a81853, checked in by Peter A. Buhr <pabuhr@…>, 9 years ago

first attempt at gcc attributes
  • Property mode set to 100644
File size: 32.6 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// DeclarationNode.cc --
8//
9// Author : Rodolfo G. Esteves
10// Created On : Sat May 16 12:34:05 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Sat Jan 14 14:36:23 2017
13// Update Count : 669
14//
15
16#include <string>
17#include <list>
18#include <iterator>
19#include <algorithm>
20#include <cassert>
21
22#include "TypeData.h"
23
24#include "SynTree/Attribute.h"
25#include "SynTree/Declaration.h"
26#include "SynTree/Expression.h"
27
28#include "TypedefTable.h"
29extern TypedefTable typedefTable;
30
31using namespace std;
32
33// These must remain in the same order as the corresponding DeclarationNode enumerations.
34const char * DeclarationNode::storageName[] = { "extern", "static", "auto", "register", "inline", "fortran", "_Noreturn", "_Thread_local", "NoStorageClass" };
35const char * DeclarationNode::qualifierName[] = { "const", "restrict", "volatile", "lvalue", "_Atomic", "NoQualifier" };
36const char * DeclarationNode::basicTypeName[] = { "void", "_Bool", "char", "int", "float", "double", "long double", "NoBasicType" };
37const char * DeclarationNode::complexTypeName[] = { "_Complex", "_Imaginary", "NoComplexType" };
38const char * DeclarationNode::signednessName[] = { "signed", "unsigned", "NoSignedness" };
39const char * DeclarationNode::lengthName[] = { "short", "long", "long long", "NoLength" };
40const char * DeclarationNode::aggregateName[] = { "struct", "union", "context" };
41const char * DeclarationNode::typeClassName[] = { "otype", "dtype", "ftype" };
42const char * DeclarationNode::builtinTypeName[] = { "__builtin_va_list" };
43
44UniqueName DeclarationNode::anonymous( "__anonymous" );
45
46extern LinkageSpec::Spec linkage; // defined in parser.yy
47
48DeclarationNode::DeclarationNode() :
49 type( nullptr ),
50 storageClass( NoStorageClass ),
51 bitfieldWidth( nullptr ),
52 isInline( false ),
53 isNoreturn( false ),
54 hasEllipsis( false ),
55 linkage( ::linkage ),
56 asmName( nullptr ),
57 initializer( nullptr ),
58 extension( false ) {
59
60// variable.name = nullptr;
61 variable.tyClass = NoTypeClass;
62 variable.assertions = nullptr;
63
64// attr.name = nullptr;
65 attr.expr = nullptr;
66 attr.type = nullptr;
67}
68
69DeclarationNode::~DeclarationNode() {
70// delete attr.name;
71 delete attr.expr;
72 delete attr.type;
73
74// delete variable.name;
75 delete variable.assertions;
76
77 delete type;
78 delete bitfieldWidth;
79 // asmName, no delete, passed to next stage
80 delete initializer;
81}
82
83DeclarationNode * DeclarationNode::clone() const {
84 DeclarationNode * newnode = new DeclarationNode;
85 newnode->type = maybeClone( type );
86 newnode->name = name ? new string( *name ) : nullptr;
87 newnode->storageClass = storageClass;
88 newnode->isInline = isInline;
89 newnode->isNoreturn = isNoreturn;
90 newnode->bitfieldWidth = maybeClone( bitfieldWidth );
91 newnode->hasEllipsis = hasEllipsis;
92 newnode->initializer = maybeClone( initializer );
93 newnode->set_next( maybeClone( get_next() ) );
94 newnode->linkage = linkage;
95 newnode->asmName = maybeClone( asmName );
96
97// newnode->variable.name = variable.name ? new string( *variable.name ) : nullptr;
98 newnode->variable.tyClass = variable.tyClass;
99 newnode->variable.assertions = maybeClone( variable.assertions );
100
101// newnode->attr.name = attr.name ? new string( *attr.name ) : nullptr;
102 newnode->attr.expr = maybeClone( attr.expr );
103 newnode->attr.type = maybeClone( attr.type );
104 return newnode;
105} // DeclarationNode::clone
106
107bool DeclarationNode::get_hasEllipsis() const {
108 return hasEllipsis;
109}
110
111void DeclarationNode::print( std::ostream &os, int indent ) const {
112 os << string( indent, ' ' );
113 if ( name ) {
114 os << *name << ": ";
115 } else {
116 os << "unnamed: ";
117 } // if
118
119 if ( linkage != LinkageSpec::Cforall ) {
120 os << LinkageSpec::linkageName( linkage ) << " ";
121 } // if
122
123 if ( storageClass != NoStorageClass ) os << DeclarationNode::storageName[storageClass] << ' ';
124 if ( isInline ) os << DeclarationNode::storageName[Inline] << ' ';
125 if ( isNoreturn ) os << DeclarationNode::storageName[Noreturn] << ' ';
126 if ( type ) {
127 type->print( os, indent );
128 } else {
129 os << "untyped entity ";
130 } // if
131
132 if ( bitfieldWidth ) {
133 os << endl << string( indent + 2, ' ' ) << "with bitfield width ";
134 bitfieldWidth->printOneLine( os );
135 } // if
136
137 if ( initializer ) {
138 os << endl << string( indent + 2, ' ' ) << "with initializer ";
139 initializer->printOneLine( os );
140 os << " maybe constructed? " << initializer->get_maybeConstructed();
141
142 } // if
143
144 os << endl;
145}
146
147void DeclarationNode::printList( std::ostream &os, int indent ) const {
148 ParseNode::printList( os, indent );
149 if ( hasEllipsis ) {
150 os << string( indent, ' ' ) << "and a variable number of other arguments" << endl;
151 } // if
152}
153
154DeclarationNode * DeclarationNode::newFunction( string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body, bool newStyle ) {
155 DeclarationNode * newnode = new DeclarationNode;
156 newnode->name = name;
157 newnode->type = new TypeData( TypeData::Function );
158 newnode->type->function.params = param;
159 newnode->type->function.newStyle = newStyle;
160 newnode->type->function.body = body;
161 // ignore unnamed routine declarations: void p( int (*)(int) );
162 if ( newnode->name ) {
163 typedefTable.addToEnclosingScope( *newnode->name, TypedefTable::ID );
164 } // if
165
166 if ( body ) {
167 newnode->type->function.hasBody = true;
168 } // if
169
170 if ( ret ) {
171 newnode->type->base = ret->type;
172 ret->type = nullptr;
173 delete ret;
174 } // if
175
176 return newnode;
177} // DeclarationNode::newFunction
178
179DeclarationNode * DeclarationNode::newQualifier( Qualifier q ) {
180 DeclarationNode * newnode = new DeclarationNode;
181 newnode->type = new TypeData();
182 newnode->type->qualifiers[ q ] = 1;
183 return newnode;
184} // DeclarationNode::newQualifier
185
186DeclarationNode * DeclarationNode::newForall( DeclarationNode * forall ) {
187 DeclarationNode * newnode = new DeclarationNode;
188 newnode->type = new TypeData( TypeData::Unknown );
189 newnode->type->forall = forall;
190 return newnode;
191} // DeclarationNode::newForall
192
193DeclarationNode * DeclarationNode::newStorageClass( DeclarationNode::StorageClass sc ) {
194 DeclarationNode * newnode = new DeclarationNode;
195 newnode->storageClass = sc;
196 return newnode;
197} // DeclarationNode::newStorageClass
198
199DeclarationNode * DeclarationNode::newBasicType( BasicType bt ) {
200 DeclarationNode * newnode = new DeclarationNode;
201 newnode->type = new TypeData( TypeData::Basic );
202 newnode->type->basictype = bt;
203 return newnode;
204} // DeclarationNode::newBasicType
205
206DeclarationNode * DeclarationNode::newComplexType( ComplexType ct ) {
207 DeclarationNode * newnode = new DeclarationNode;
208 newnode->type = new TypeData( TypeData::Basic );
209 newnode->type->complextype = ct;
210 return newnode;
211} // DeclarationNode::newComplexType
212
213DeclarationNode * DeclarationNode::newSignedNess( Signedness sn ) {
214 DeclarationNode * newnode = new DeclarationNode;
215 newnode->type = new TypeData( TypeData::Basic );
216 newnode->type->signedness = sn;
217 return newnode;
218} // DeclarationNode::newSignedNess
219
220DeclarationNode * DeclarationNode::newLength( Length lnth ) {
221 DeclarationNode * newnode = new DeclarationNode;
222 newnode->type = new TypeData( TypeData::Basic );
223 newnode->type->length = lnth;
224 return newnode;
225} // DeclarationNode::newLength
226
227DeclarationNode * DeclarationNode::newFromTypedef( string * name ) {
228 DeclarationNode * newnode = new DeclarationNode;
229 newnode->type = new TypeData( TypeData::SymbolicInst );
230 newnode->type->symbolic.name = name;
231 newnode->type->symbolic.isTypedef = true;
232 newnode->type->symbolic.params = nullptr;
233 return newnode;
234} // DeclarationNode::newFromTypedef
235
236DeclarationNode * DeclarationNode::newAggregate( Aggregate kind, const string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body ) {
237 DeclarationNode * newnode = new DeclarationNode;
238 newnode->type = new TypeData( TypeData::Aggregate );
239 newnode->type->aggregate.kind = kind;
240 if ( name ) {
241 newnode->type->aggregate.name = name;
242 } else { // anonymous aggregate ?
243 newnode->type->aggregate.name = new string( anonymous.newName() );
244 } // if
245 newnode->type->aggregate.actuals = actuals;
246 newnode->type->aggregate.fields = fields;
247 newnode->type->aggregate.body = body;
248 return newnode;
249} // DeclarationNode::newAggregate
250
251DeclarationNode * DeclarationNode::newEnum( string * name, DeclarationNode * constants ) {
252 DeclarationNode * newnode = new DeclarationNode;
253 newnode->type = new TypeData( TypeData::Enum );
254 if ( name ) {
255 newnode->type->enumeration.name = name;
256 } else { // anonymous aggregate ?
257 newnode->type->enumeration.name = new string( anonymous.newName() );
258 } // if
259 newnode->type->enumeration.constants = constants;
260 return newnode;
261} // DeclarationNode::newEnum
262
263DeclarationNode * DeclarationNode::newEnumConstant( string * name, ExpressionNode * constant ) {
264 DeclarationNode * newnode = new DeclarationNode;
265 newnode->name = name;
266 newnode->enumeratorValue.reset( constant );
267 typedefTable.addToEnclosingScope( *newnode->name, TypedefTable::ID );
268 return newnode;
269} // DeclarationNode::newEnumConstant
270
271DeclarationNode * DeclarationNode::newName( string * name ) {
272 DeclarationNode * newnode = new DeclarationNode;
273 newnode->name = name;
274 return newnode;
275} // DeclarationNode::newName
276
277DeclarationNode * DeclarationNode::newFromTypeGen( string * name, ExpressionNode * params ) {
278 DeclarationNode * newnode = new DeclarationNode;
279 newnode->type = new TypeData( TypeData::SymbolicInst );
280 newnode->type->symbolic.name = name;
281 newnode->type->symbolic.isTypedef = false;
282 newnode->type->symbolic.actuals = params;
283 return newnode;
284} // DeclarationNode::newFromTypeGen
285
286DeclarationNode * DeclarationNode::newTypeParam( TypeClass tc, string * name ) {
287 DeclarationNode * newnode = new DeclarationNode;
288 newnode->type = nullptr;
289 assert( ! newnode->name );
290// newnode->variable.name = name;
291 newnode->name = name;
292 newnode->variable.tyClass = tc;
293 newnode->variable.assertions = nullptr;
294 return newnode;
295} // DeclarationNode::newTypeParam
296
297DeclarationNode * DeclarationNode::newTrait( const string * name, DeclarationNode * params, DeclarationNode * asserts ) {
298 DeclarationNode * newnode = new DeclarationNode;
299 newnode->type = new TypeData( TypeData::Aggregate );
300 newnode->type->aggregate.name = name;
301 newnode->type->aggregate.kind = Trait;
302 newnode->type->aggregate.params = params;
303 newnode->type->aggregate.fields = asserts;
304 return newnode;
305} // DeclarationNode::newTrait
306
307DeclarationNode * DeclarationNode::newTraitUse( const string * name, ExpressionNode * params ) {
308 DeclarationNode * newnode = new DeclarationNode;
309 newnode->type = new TypeData( TypeData::AggregateInst );
310 newnode->type->aggInst.aggregate = new TypeData( TypeData::Aggregate );
311 newnode->type->aggInst.aggregate->aggregate.kind = Trait;
312 newnode->type->aggInst.aggregate->aggregate.name = name;
313 newnode->type->aggInst.params = params;
314 return newnode;
315} // DeclarationNode::newTraitUse
316
317DeclarationNode * DeclarationNode::newTypeDecl( string * name, DeclarationNode * typeParams ) {
318 DeclarationNode * newnode = new DeclarationNode;
319 newnode->type = new TypeData( TypeData::Symbolic );
320 newnode->type->symbolic.isTypedef = false;
321 newnode->type->symbolic.params = typeParams;
322 newnode->type->symbolic.name = name;
323 return newnode;
324} // DeclarationNode::newTypeDecl
325
326DeclarationNode * DeclarationNode::newPointer( DeclarationNode * qualifiers ) {
327 DeclarationNode * newnode = new DeclarationNode;
328 newnode->type = new TypeData( TypeData::Pointer );
329 return newnode->addQualifiers( qualifiers );
330} // DeclarationNode::newPointer
331
332DeclarationNode * DeclarationNode::newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic ) {
333 DeclarationNode * newnode = new DeclarationNode;
334 newnode->type = new TypeData( TypeData::Array );
335 newnode->type->array.dimension = size;
336 newnode->type->array.isStatic = isStatic;
337 if ( newnode->type->array.dimension == nullptr || newnode->type->array.dimension->isExpressionType<ConstantExpr * >() ) {
338 newnode->type->array.isVarLen = false;
339 } else {
340 newnode->type->array.isVarLen = true;
341 } // if
342 return newnode->addQualifiers( qualifiers );
343} // DeclarationNode::newArray
344
345DeclarationNode * DeclarationNode::newVarArray( DeclarationNode * qualifiers ) {
346 DeclarationNode * newnode = new DeclarationNode;
347 newnode->type = new TypeData( TypeData::Array );
348 newnode->type->array.dimension = nullptr;
349 newnode->type->array.isStatic = false;
350 newnode->type->array.isVarLen = true;
351 return newnode->addQualifiers( qualifiers );
352}
353
354DeclarationNode * DeclarationNode::newBitfield( ExpressionNode * size ) {
355 DeclarationNode * newnode = new DeclarationNode;
356 newnode->bitfieldWidth = size;
357 return newnode;
358}
359
360DeclarationNode * DeclarationNode::newTuple( DeclarationNode * members ) {
361 DeclarationNode * newnode = new DeclarationNode;
362 newnode->type = new TypeData( TypeData::Tuple );
363 newnode->type->tuple = members;
364 return newnode;
365}
366
367DeclarationNode * DeclarationNode::newTypeof( ExpressionNode * expr ) {
368 DeclarationNode * newnode = new DeclarationNode;
369 newnode->type = new TypeData( TypeData::Typeof );
370 newnode->type->typeexpr = expr;
371 return newnode;
372}
373
374DeclarationNode * DeclarationNode::newBuiltinType( BuiltinType bt ) {
375 DeclarationNode * newnode = new DeclarationNode;
376 newnode->type = new TypeData( TypeData::Builtin );
377 newnode->builtin = bt;
378 newnode->type->builtintype = newnode->builtin;
379 return newnode;
380} // DeclarationNode::newBuiltinType
381
382DeclarationNode * DeclarationNode::newAttr( string * name, ExpressionNode * expr ) {
383 DeclarationNode * newnode = new DeclarationNode;
384 newnode->type = nullptr;
385// newnode->attr.name = name;
386 newnode->name = name;
387 newnode->attr.expr = expr;
388 return newnode;
389}
390
391DeclarationNode * DeclarationNode::newAttr( string * name, DeclarationNode * type ) {
392 DeclarationNode * newnode = new DeclarationNode;
393 newnode->type = nullptr;
394// newnode->attr.name = name;
395 newnode->name = name;
396 newnode->attr.type = type;
397 return newnode;
398}
399
400DeclarationNode * DeclarationNode::newAttribute( string * name, ExpressionNode * expr ) {
401 DeclarationNode * newnode = new DeclarationNode;
402 newnode->type = nullptr;
403 std::list< Expression * > exprs;
404 buildList( expr, exprs );
405 newnode->attributes.push_back( new Attribute( *name, exprs ) );
406 delete name;
407 return newnode;
408}
409
410void appendError( string & dst, const string & src ) {
411 if ( src.empty() ) return;
412 if ( dst.empty() ) { dst = src; return; }
413 dst += ", " + src;
414} // appendError
415
416void DeclarationNode::checkQualifiers( const TypeData * src, const TypeData * dst ) {
417 TypeData::Qualifiers qsrc = src->qualifiers, qdst = dst->qualifiers; // optimization
418
419 if ( (qsrc & qdst).any() ) { // common qualifier ?
420 for ( int i = 0; i < NoQualifier; i += 1 ) { // find common qualifiers
421 if ( qsrc[i] && qdst[i] ) {
422 appendError( error, string( "duplicate " ) + DeclarationNode::qualifierName[i] );
423 } // if
424 } // for
425 } // if
426} // DeclarationNode::checkQualifiers
427
428void DeclarationNode::checkStorageClasses( DeclarationNode * q ) {
429 if ( storageClass != NoStorageClass && q->storageClass != NoStorageClass ) {
430 if ( storageClass == q->storageClass ) { // duplicate qualifier
431 appendError( error, string( "duplicate " ) + storageName[ storageClass ] );
432 } else { // only one storage class
433 appendError( error, string( "conflicting " ) + storageName[ storageClass ] + " & " + storageName[ q->storageClass ] );
434 q->storageClass = storageClass; // FIX ERROR, prevent assertions from triggering
435 } // if
436 } // if
437 appendError( error, q->error );
438} // DeclarationNode::copyStorageClasses
439
440DeclarationNode * DeclarationNode::copyStorageClasses( DeclarationNode * q ) {
441 isInline = isInline || q->isInline;
442 isNoreturn = isNoreturn || q->isNoreturn;
443 // do not overwrite an existing value with NoStorageClass
444 if ( q->storageClass != NoStorageClass ) {
445 assert( storageClass == NoStorageClass || storageClass == q->storageClass );
446 storageClass = q->storageClass;
447 } // if
448 attributes.splice( attributes.end(), q->attributes );
449 return this;
450} // DeclarationNode::copyStorageClasses
451
452static void addQualifiersToType( TypeData *&src, TypeData * dst ) {
453 if ( src->forall && dst->kind == TypeData::Function ) {
454 if ( dst->forall ) {
455 dst->forall->appendList( src->forall );
456 } else {
457 dst->forall = src->forall;
458 } // if
459 src->forall = nullptr;
460 } // if
461 if ( dst->base ) {
462 addQualifiersToType( src, dst->base );
463 } else if ( dst->kind == TypeData::Function ) {
464 dst->base = src;
465 src = nullptr;
466 } else {
467 dst->qualifiers |= src->qualifiers;
468 } // if
469} // addQualifiersToType
470
471DeclarationNode * DeclarationNode::addQualifiers( DeclarationNode * q ) {
472 if ( ! q ) { delete q; return this; }
473
474 checkStorageClasses( q );
475 copyStorageClasses( q );
476
477 if ( ! q->type ) {
478 delete q;
479 return this;
480 } // if
481
482 if ( ! type ) {
483 type = q->type; // reuse this structure
484 q->type = nullptr;
485 delete q;
486 return this;
487 } // if
488
489 checkQualifiers( q->type, type );
490 addQualifiersToType( q->type, type );
491
492 if ( q->type->forall ) {
493 if ( type->forall ) {
494 type->forall->appendList( q->type->forall );
495 } else {
496 if ( type->kind == TypeData::Aggregate ) {
497 type->aggregate.params = q->type->forall;
498 // change implicit typedef from TYPEDEFname to TYPEGENname
499 typedefTable.changeKind( *type->aggregate.name, TypedefTable::TG );
500 } else {
501 type->forall = q->type->forall;
502 } // if
503 } // if
504 q->type->forall = nullptr;
505 } // if
506 delete q;
507 return this;
508} // addQualifiers
509
510static void addTypeToType( TypeData *&src, TypeData *&dst ) {
511 if ( src->forall && dst->kind == TypeData::Function ) {
512 if ( dst->forall ) {
513 dst->forall->appendList( src->forall );
514 } else {
515 dst->forall = src->forall;
516 } // if
517 src->forall = nullptr;
518 } // if
519 if ( dst->base ) {
520 addTypeToType( src, dst->base );
521 } else {
522 switch ( dst->kind ) {
523 case TypeData::Unknown:
524 src->qualifiers |= dst->qualifiers;
525 dst = src;
526 src = nullptr;
527 break;
528 case TypeData::Basic:
529 dst->qualifiers |= src->qualifiers;
530 if ( src->kind != TypeData::Unknown ) {
531 assert( src->kind == TypeData::Basic );
532
533 if ( dst->basictype == DeclarationNode::NoBasicType ) {
534 dst->basictype = src->basictype;
535 } else if ( src->basictype != DeclarationNode::NoBasicType )
536 throw SemanticError( string( "conflicting type specifier " ) + DeclarationNode::basicTypeName[ src->basictype ] + " in type: ", src );
537
538 if ( dst->complextype == DeclarationNode::NoComplexType ) {
539 dst->complextype = src->complextype;
540 } else if ( src->complextype != DeclarationNode::NoComplexType )
541 throw SemanticError( string( "conflicting type specifier " ) + DeclarationNode::complexTypeName[ src->complextype ] + " in type: ", src );
542
543 if ( dst->signedness == DeclarationNode::NoSignedness ) {
544 dst->signedness = src->signedness;
545 } else if ( src->signedness != DeclarationNode::NoSignedness )
546 throw SemanticError( string( "conflicting type specifier " ) + DeclarationNode::signednessName[ src->signedness ] + " in type: ", src );
547
548 if ( dst->length == DeclarationNode::NoLength ) {
549 dst->length = src->length;
550 } else if ( dst->length == DeclarationNode::Long && src->length == DeclarationNode::Long ) {
551 dst->length = DeclarationNode::LongLong;
552 } else if ( src->length != DeclarationNode::NoLength )
553 throw SemanticError( string( "conflicting type specifier " ) + DeclarationNode::lengthName[ src->length ] + " in type: ", src );
554 } // if
555 break;
556 default:
557 switch ( src->kind ) {
558 case TypeData::Aggregate:
559 case TypeData::Enum:
560 dst->base = new TypeData( TypeData::AggregateInst );
561 dst->base->aggInst.aggregate = src;
562 if ( src->kind == TypeData::Aggregate ) {
563 dst->base->aggInst.params = maybeClone( src->aggregate.actuals );
564 } // if
565 dst->base->qualifiers |= src->qualifiers;
566 src = nullptr;
567 break;
568 default:
569 if ( dst->forall ) {
570 dst->forall->appendList( src->forall );
571 } else {
572 dst->forall = src->forall;
573 } // if
574 src->forall = nullptr;
575 dst->base = src;
576 src = nullptr;
577 } // switch
578 } // switch
579 } // if
580}
581
582DeclarationNode * DeclarationNode::addType( DeclarationNode * o ) {
583 if ( o ) {
584 checkStorageClasses( o );
585 copyStorageClasses( o );
586 if ( o->type ) {
587 if ( ! type ) {
588 if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) {
589 type = new TypeData( TypeData::AggregateInst );
590 type->aggInst.aggregate = o->type;
591 if ( o->type->kind == TypeData::Aggregate ) {
592 type->aggInst.params = maybeClone( o->type->aggregate.actuals );
593 } // if
594 type->qualifiers |= o->type->qualifiers;
595 } else {
596 type = o->type;
597 } // if
598 o->type = nullptr;
599 } else {
600 addTypeToType( o->type, type );
601 } // if
602 } // if
603 if ( o->bitfieldWidth ) {
604 bitfieldWidth = o->bitfieldWidth;
605 } // if
606
607 // there may be typedefs chained onto the type
608 if ( o->get_next() ) {
609 set_last( o->get_next()->clone() );
610 } // if
611 } // if
612 delete o;
613 return this;
614}
615
616DeclarationNode * DeclarationNode::addTypedef() {
617 TypeData * newtype = new TypeData( TypeData::Symbolic );
618 newtype->symbolic.params = nullptr;
619 newtype->symbolic.isTypedef = true;
620 newtype->symbolic.name = name ? new string( *name ) : nullptr;
621 newtype->base = type;
622 type = newtype;
623 return this;
624}
625
626DeclarationNode * DeclarationNode::addAssertions( DeclarationNode * assertions ) {
627 if ( variable.tyClass != NoTypeClass ) {
628 if ( variable.assertions ) {
629 variable.assertions->appendList( assertions );
630 } else {
631 variable.assertions = assertions;
632 } // if
633 return this;
634 } // if
635
636 assert( type );
637 switch ( type->kind ) {
638 case TypeData::Symbolic:
639 if ( type->symbolic.assertions ) {
640 type->symbolic.assertions->appendList( assertions );
641 } else {
642 type->symbolic.assertions = assertions;
643 } // if
644 break;
645 default:
646 assert( false );
647 } // switch
648
649 return this;
650}
651
652DeclarationNode * DeclarationNode::addName( string * newname ) {
653 assert( ! name );
654 name = newname;
655 return this;
656}
657
658DeclarationNode * DeclarationNode::addAsmName( ConstantExpr * newname ) {
659 assert( ! asmName );
660 asmName = newname;
661 return this;
662}
663
664DeclarationNode * DeclarationNode::addBitfield( ExpressionNode * size ) {
665 bitfieldWidth = size;
666 return this;
667}
668
669DeclarationNode * DeclarationNode::addVarArgs() {
670 assert( type );
671 hasEllipsis = true;
672 return this;
673}
674
675DeclarationNode * DeclarationNode::addFunctionBody( StatementNode * body ) {
676 assert( type );
677 assert( type->kind == TypeData::Function );
678 assert( ! type->function.body );
679 type->function.body = body;
680 type->function.hasBody = true;
681 return this;
682}
683
684DeclarationNode * DeclarationNode::addOldDeclList( DeclarationNode * list ) {
685 assert( type );
686 assert( type->kind == TypeData::Function );
687 assert( ! type->function.oldDeclList );
688 type->function.oldDeclList = list;
689 return this;
690}
691
692static void setBase( TypeData *&type, TypeData * newType ) {
693 if ( type ) {
694 TypeData * prevBase = type;
695 TypeData * curBase = type->base;
696 while ( curBase != nullptr ) {
697 prevBase = curBase;
698 curBase = curBase->base;
699 } // while
700 prevBase->base = newType;
701 } else {
702 type = newType;
703 } // if
704}
705
706DeclarationNode * DeclarationNode::addPointer( DeclarationNode * p ) {
707 if ( p ) {
708 assert( p->type->kind == TypeData::Pointer );
709 setBase( type, p->type );
710 p->type = nullptr;
711 delete p;
712 } // if
713 return this;
714}
715
716DeclarationNode * DeclarationNode::addArray( DeclarationNode * a ) {
717 if ( a ) {
718 assert( a->type->kind == TypeData::Array );
719 setBase( type, a->type );
720 a->type = nullptr;
721 delete a;
722 } // if
723 return this;
724}
725
726DeclarationNode * DeclarationNode::addNewPointer( DeclarationNode * p ) {
727 if ( p ) {
728 assert( p->type->kind == TypeData::Pointer );
729 if ( type ) {
730 switch ( type->kind ) {
731 case TypeData::Aggregate:
732 case TypeData::Enum:
733 p->type->base = new TypeData( TypeData::AggregateInst );
734 p->type->base->aggInst.aggregate = type;
735 if ( type->kind == TypeData::Aggregate ) {
736 p->type->base->aggInst.params = maybeClone( type->aggregate.actuals );
737 } // if
738 p->type->base->qualifiers |= type->qualifiers;
739 break;
740
741 default:
742 p->type->base = type;
743 } // switch
744 type = nullptr;
745 } // if
746 delete this;
747 return p;
748 } else {
749 return this;
750 } // if
751}
752
753static TypeData * findLast( TypeData * a ) {
754 assert( a );
755 TypeData * cur = a;
756 while ( cur->base ) {
757 cur = cur->base;
758 } // while
759 return cur;
760}
761
762DeclarationNode * DeclarationNode::addNewArray( DeclarationNode * a ) {
763 if ( a ) {
764 assert( a->type->kind == TypeData::Array );
765 TypeData * lastArray = findLast( a->type );
766 if ( type ) {
767 switch ( type->kind ) {
768 case TypeData::Aggregate:
769 case TypeData::Enum:
770 lastArray->base = new TypeData( TypeData::AggregateInst );
771 lastArray->base->aggInst.aggregate = type;
772 if ( type->kind == TypeData::Aggregate ) {
773 lastArray->base->aggInst.params = maybeClone( type->aggregate.actuals );
774 } // if
775 lastArray->base->qualifiers |= type->qualifiers;
776 break;
777 default:
778 lastArray->base = type;
779 } // switch
780 type = nullptr;
781 } // if
782 delete this;
783 return a;
784 } else {
785 return this;
786 } // if
787}
788
789DeclarationNode * DeclarationNode::addParamList( DeclarationNode * params ) {
790 TypeData * ftype = new TypeData( TypeData::Function );
791 ftype->function.params = params;
792 setBase( type, ftype );
793 return this;
794}
795
796static TypeData * addIdListToType( TypeData * type, DeclarationNode * ids ) {
797 if ( type ) {
798 if ( type->kind != TypeData::Function ) {
799 type->base = addIdListToType( type->base, ids );
800 } else {
801 type->function.idList = ids;
802 } // if
803 return type;
804 } else {
805 TypeData * newtype = new TypeData( TypeData::Function );
806 newtype->function.idList = ids;
807 return newtype;
808 } // if
809} // addIdListToType
810
811DeclarationNode * DeclarationNode::addIdList( DeclarationNode * ids ) {
812 type = addIdListToType( type, ids );
813 return this;
814}
815
816DeclarationNode * DeclarationNode::addInitializer( InitializerNode * init ) {
817 initializer = init;
818 return this;
819}
820
821DeclarationNode * DeclarationNode::cloneType( string * newName ) {
822 DeclarationNode * newnode = new DeclarationNode;
823 newnode->type = maybeClone( type );
824 assert( storageClass == NoStorageClass );
825 newnode->copyStorageClasses( this );
826 assert( newName );
827 newnode->name = newName;
828 return newnode;
829}
830
831DeclarationNode * DeclarationNode::cloneBaseType( DeclarationNode * o ) {
832 if ( ! o ) return nullptr;
833
834 o->copyStorageClasses( this );
835 if ( type ) {
836 TypeData * srcType = type;
837
838 while ( srcType->base ) {
839 srcType = srcType->base;
840 } // while
841
842 TypeData * newType = srcType->clone();
843 if ( newType->kind == TypeData::AggregateInst ) {
844 // don't duplicate members
845 if ( newType->aggInst.aggregate->kind == TypeData::Enum ) {
846 delete newType->aggInst.aggregate->enumeration.constants;
847 newType->aggInst.aggregate->enumeration.constants = nullptr;
848 } else {
849 assert( newType->aggInst.aggregate->kind == TypeData::Aggregate );
850 delete newType->aggInst.aggregate->aggregate.fields;
851 newType->aggInst.aggregate->aggregate.fields = nullptr;
852 } // if
853 } // if
854
855 newType->forall = maybeClone( type->forall );
856 if ( ! o->type ) {
857 o->type = newType;
858 } else {
859 addTypeToType( newType, o->type );
860 delete newType;
861 } // if
862 } // if
863 return o;
864}
865
866DeclarationNode * DeclarationNode::extractAggregate() const {
867 if ( type ) {
868 TypeData * ret = typeextractAggregate( type );
869 if ( ret ) {
870 DeclarationNode * newnode = new DeclarationNode;
871 newnode->type = ret;
872 return newnode;
873 } // if
874 } // if
875 return nullptr;
876}
877
878void buildList( const DeclarationNode * firstNode, std::list< Declaration * > &outputList ) {
879 SemanticError errors;
880 std::back_insert_iterator< std::list< Declaration * > > out( outputList );
881 const DeclarationNode * cur = firstNode;
882
883 while ( cur ) {
884 try {
885 if ( DeclarationNode * extr = cur->extractAggregate() ) {
886 // handle the case where a structure declaration is contained within an object or type declaration
887 Declaration * decl = extr->build();
888 if ( decl ) {
889 * out++ = decl;
890 } // if
891 delete extr;
892 } // if
893
894 Declaration * decl = cur->build();
895 if ( decl ) {
896 * out++ = decl;
897 } // if
898 } catch( SemanticError &e ) {
899 errors.append( e );
900 } // try
901 cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
902 } // while
903
904 if ( ! errors.isEmpty() ) {
905 throw errors;
906 } // if
907} // buildList
908
909void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > &outputList ) {
910 SemanticError errors;
911 std::back_insert_iterator< std::list< DeclarationWithType * > > out( outputList );
912 const DeclarationNode * cur = firstNode;
913 while ( cur ) {
914 try {
915 Declaration * decl = cur->build();
916 if ( decl ) {
917 if ( DeclarationWithType * dwt = dynamic_cast< DeclarationWithType * >( decl ) ) {
918 * out++ = dwt;
919 } else if ( StructDecl * agg = dynamic_cast< StructDecl * >( decl ) ) {
920 StructInstType * inst = new StructInstType( Type::Qualifiers(), agg->get_name() );
921 * out++ = new ObjectDecl( "", DeclarationNode::NoStorageClass, linkage, nullptr, inst, nullptr );
922 delete agg;
923 } else if ( UnionDecl * agg = dynamic_cast< UnionDecl * >( decl ) ) {
924 UnionInstType * inst = new UnionInstType( Type::Qualifiers(), agg->get_name() );
925 * out++ = new ObjectDecl( "", DeclarationNode::NoStorageClass, linkage, nullptr, inst, nullptr );
926 } // if
927 } // if
928 } catch( SemanticError &e ) {
929 errors.append( e );
930 } // try
931 cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
932 } // while
933 if ( ! errors.isEmpty() ) {
934 throw errors;
935 } // if
936} // buildList
937
938void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > &outputList ) {
939 SemanticError errors;
940 std::back_insert_iterator< std::list< Type * > > out( outputList );
941 const DeclarationNode * cur = firstNode;
942
943 while ( cur ) {
944 try {
945 * out++ = cur->buildType();
946 } catch( SemanticError &e ) {
947 errors.append( e );
948 } // try
949 cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
950 } // while
951
952 if ( ! errors.isEmpty() ) {
953 throw errors;
954 } // if
955} // buildTypeList
956
957Declaration * DeclarationNode::build() const {
958 if ( ! error.empty() ) throw SemanticError( error + " in declaration of ", this );
959
960// if ( variable.name ) {
961 if ( variable.tyClass != NoTypeClass ) {
962 static const TypeDecl::Kind kindMap[] = { TypeDecl::Any, TypeDecl::Dtype, TypeDecl::Ftype, TypeDecl::Ttype };
963 assertf( sizeof(kindMap)/sizeof(kindMap[0] == NoTypeClass-1), "DeclarationNode::build: kindMap is out of sync." );
964 assertf( variable.tyClass < sizeof(kindMap)/sizeof(kindMap[0]), "Variable's tyClass is out of bounds." );
965// TypeDecl * ret = new TypeDecl( *variable.name, DeclarationNode::NoStorageClass, nullptr, kindMap[ variable.tyClass ] );
966 TypeDecl * ret = new TypeDecl( *name, DeclarationNode::NoStorageClass, nullptr, kindMap[ variable.tyClass ] );
967 buildList( variable.assertions, ret->get_assertions() );
968 return ret;
969 } // if
970
971 if ( type ) {
972 return buildDecl( type, name ? *name : string( "" ), storageClass, maybeBuild< Expression >( bitfieldWidth ), isInline, isNoreturn, linkage, asmName, maybeBuild< Initializer >(initializer), attributes )->set_extension( extension );
973 } // if
974
975 if ( ! isInline && ! isNoreturn ) {
976 assertf( name, "ObjectDecl are assumed to have names\n" );
977 return (new ObjectDecl( *name, storageClass, linkage, maybeBuild< Expression >( bitfieldWidth ), nullptr, maybeBuild< Initializer >( initializer ) ))->set_asmName( asmName )->set_extension( extension );
978 } // if
979
980 throw SemanticError( "invalid function specifier ", this );
981}
982
983Type * DeclarationNode::buildType() const {
984 assert( type );
985
986 if ( attr.expr ) {
987// return new AttrType( buildQualifiers( type ), *attr.name, attr.expr->build() );
988 return new AttrType( buildQualifiers( type ), *name, attr.expr->build() );
989 } else if ( attr.type ) {
990// return new AttrType( buildQualifiers( type ), *attr.name, attr.type->buildType() );
991 return new AttrType( buildQualifiers( type ), *name, attr.type->buildType() );
992 } // if
993
994 switch ( type->kind ) {
995 case TypeData::Enum:
996 return new EnumInstType( buildQualifiers( type ), *type->enumeration.name );
997 case TypeData::Aggregate: {
998 ReferenceToType * ret;
999 switch ( type->aggregate.kind ) {
1000 case DeclarationNode::Struct:
1001 ret = new StructInstType( buildQualifiers( type ), *type->aggregate.name );
1002 break;
1003 case DeclarationNode::Union:
1004 ret = new UnionInstType( buildQualifiers( type ), *type->aggregate.name );
1005 break;
1006 case DeclarationNode::Trait:
1007 ret = new TraitInstType( buildQualifiers( type ), *type->aggregate.name );
1008 break;
1009 default:
1010 assert( false );
1011 } // switch
1012 buildList( type->aggregate.actuals, ret->get_parameters() );
1013 return ret;
1014 }
1015 case TypeData::Symbolic: {
1016 TypeInstType * ret = new TypeInstType( buildQualifiers( type ), *type->symbolic.name, false );
1017 buildList( type->symbolic.actuals, ret->get_parameters() );
1018 return ret;
1019 }
1020 default:
1021 return typebuild( type );
1022 } // switch
1023}
1024
1025// Local Variables: //
1026// tab-width: 4 //
1027// mode: c++ //
1028// compile-command: "make install" //
1029// End: //
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