source: src/Parser/DeclarationNode.cc@ 96a10cdd

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 96a10cdd was b6424d9, checked in by Peter A. Buhr <pabuhr@…>, 9 years ago

refactor copyStorageClasses
  • Property mode set to 100644
File size: 30.9 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 : Sun Sep 11 09:24:11 2016
13// Update Count : 438
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/Declaration.h"
25#include "SynTree/Expression.h"
26
27#include "TypedefTable.h"
28extern TypedefTable typedefTable;
29
30using namespace std;
31
32// These must remain in the same order as the corresponding DeclarationNode enumerations.
33const char *DeclarationNode::storageName[] = { "extern", "static", "auto", "register", "inline", "fortran", "_Noreturn", "_Thread_local", "NoStorageClass" };
34const char *DeclarationNode::qualifierName[] = { "const", "restrict", "volatile", "lvalue", "_Atomic" };
35const char *DeclarationNode::basicTypeName[] = { "char", "int", "float", "double", "void", "_Bool", "_Complex", "_Imaginary", };
36const char *DeclarationNode::modifierName[] = { "signed", "unsigned", "short", "long" };
37const char *DeclarationNode::aggregateName[] = { "struct", "union", "context" };
38const char *DeclarationNode::typeClassName[] = { "type", "dtype", "ftype" };
39const char *DeclarationNode::builtinTypeName[] = { "__builtin_va_list" };
40
41UniqueName DeclarationNode::anonymous( "__anonymous" );
42
43extern LinkageSpec::Spec linkage; // defined in parser.yy
44
45DeclarationNode::DeclarationNode() :
46 type( 0 ),
47 storageClass( NoStorageClass ),
48 isInline( false ),
49 isNoreturn( false ),
50 bitfieldWidth( 0 ),
51 initializer( 0 ),
52 hasEllipsis( false ),
53 linkage( ::linkage ),
54 extension( false ) {
55 variable.tyClass = DeclarationNode::Type;
56 variable.assertions = nullptr;
57
58 attr.expr = nullptr;
59 attr.type = nullptr;
60}
61
62DeclarationNode::~DeclarationNode() {
63 delete attr.expr;
64 delete attr.type;
65 delete type;
66 delete bitfieldWidth;
67 delete initializer;
68}
69
70DeclarationNode *DeclarationNode::clone() const {
71 DeclarationNode *newnode = new DeclarationNode;
72 newnode->type = maybeClone( type );
73 newnode->name = name;
74 newnode->storageClass = storageClass;
75 newnode->isInline = isInline;
76 newnode->isNoreturn = isNoreturn;
77 newnode->bitfieldWidth = maybeClone( bitfieldWidth );
78 newnode->hasEllipsis = hasEllipsis;
79 newnode->initializer = maybeClone( initializer );
80 newnode->set_next( maybeClone( get_next() ) );
81 newnode->linkage = linkage;
82
83 newnode->variable.assertions = maybeClone( variable.assertions );
84 newnode->variable.name = variable.name;
85 newnode->variable.tyClass = variable.tyClass;
86
87 newnode->attr.expr = maybeClone( attr.expr );
88 newnode->attr.type = maybeClone( attr.type );
89 return newnode;
90} // DeclarationNode::clone
91
92bool DeclarationNode::get_hasEllipsis() const {
93 return hasEllipsis;
94}
95
96void DeclarationNode::print( std::ostream &os, int indent ) const {
97 os << string( indent, ' ' );
98 if ( name == "" ) {
99 os << "unnamed: ";
100 } else {
101 os << name << ": ";
102 } // if
103
104 if ( linkage != LinkageSpec::Cforall ) {
105 os << LinkageSpec::toString( linkage ) << " ";
106 } // if
107
108 if ( storageClass != NoStorageClass ) os << DeclarationNode::storageName[storageClass] << ' ';
109 if ( isInline ) os << DeclarationNode::storageName[Inline] << ' ';
110 if ( isNoreturn ) os << DeclarationNode::storageName[Noreturn] << ' ';
111 if ( type ) {
112 type->print( os, indent );
113 } else {
114 os << "untyped entity ";
115 } // if
116
117 if ( bitfieldWidth ) {
118 os << endl << string( indent + 2, ' ' ) << "with bitfield width ";
119 bitfieldWidth->printOneLine( os );
120 } // if
121
122 if ( initializer != 0 ) {
123 os << endl << string( indent + 2, ' ' ) << "with initializer ";
124 initializer->printOneLine( os );
125 os << " maybe constructed? " << initializer->get_maybeConstructed();
126
127 } // if
128
129 os << endl;
130}
131
132void DeclarationNode::printList( std::ostream &os, int indent ) const {
133 ParseNode::printList( os, indent );
134 if ( hasEllipsis ) {
135 os << string( indent, ' ' ) << "and a variable number of other arguments" << endl;
136 } // if
137}
138
139DeclarationNode *DeclarationNode::newFunction( std::string *name, DeclarationNode *ret, DeclarationNode *param, StatementNode *body, bool newStyle ) {
140 DeclarationNode *newnode = new DeclarationNode;
141 newnode->name = assign_strptr( name );
142
143 newnode->type = new TypeData( TypeData::Function );
144 newnode->type->function.params = param;
145 newnode->type->function.newStyle = newStyle;
146 newnode->type->function.body = body;
147 typedefTable.addToEnclosingScope( newnode->name, TypedefTable::ID );
148
149 if ( body ) {
150 newnode->type->function.hasBody = true;
151 } // if
152
153 if ( ret ) {
154 newnode->type->base = ret->type;
155 ret->type = 0;
156 delete ret;
157 } // if
158
159 return newnode;
160} // DeclarationNode::newFunction
161
162DeclarationNode * DeclarationNode::newQualifier( Qualifier q ) {
163 DeclarationNode *newnode = new DeclarationNode;
164 newnode->type = new TypeData();
165 newnode->type->qualifiers[ q ] = 1;
166 return newnode;
167} // DeclarationNode::newQualifier
168
169DeclarationNode * DeclarationNode::newForall( DeclarationNode *forall ) {
170 DeclarationNode *newnode = new DeclarationNode;
171 newnode->type = new TypeData( TypeData::Unknown );
172 newnode->type->forall = forall;
173 return newnode;
174} // DeclarationNode::newForall
175
176DeclarationNode * DeclarationNode::newStorageClass( DeclarationNode::StorageClass sc ) {
177 DeclarationNode *newnode = new DeclarationNode;
178 //switch (sc) {
179 // case Inline: newnode->isInline = true; break;
180 // case Noreturn: newnode->isNoreturn = true; break;
181 // default: newnode->storageClass = sc; break;
182 //}
183 newnode->storageClass = sc;
184 return newnode;
185} // DeclarationNode::newStorageClass
186
187DeclarationNode * DeclarationNode::newBasicType( BasicType bt ) {
188 DeclarationNode *newnode = new DeclarationNode;
189 newnode->type = new TypeData( TypeData::Basic );
190 newnode->type->basic.typeSpec.push_back( bt );
191 return newnode;
192} // DeclarationNode::newBasicType
193
194DeclarationNode * DeclarationNode::newModifier( Modifier mod ) {
195 DeclarationNode *newnode = new DeclarationNode;
196 newnode->type = new TypeData( TypeData::Basic );
197 newnode->type->basic.modifiers.push_back( mod );
198 return newnode;
199} // DeclarationNode::newModifier
200
201DeclarationNode * DeclarationNode::newFromTypedef( std::string *name ) {
202 DeclarationNode *newnode = new DeclarationNode;
203 newnode->type = new TypeData( TypeData::SymbolicInst );
204 newnode->type->symbolic.name = assign_strptr( name );
205 newnode->type->symbolic.isTypedef = true;
206 newnode->type->symbolic.params = 0;
207 return newnode;
208} // DeclarationNode::newFromTypedef
209
210DeclarationNode * DeclarationNode::newAggregate( Aggregate kind, const std::string *name, ExpressionNode *actuals, DeclarationNode *fields, bool body ) {
211 DeclarationNode *newnode = new DeclarationNode;
212 newnode->type = new TypeData( TypeData::Aggregate );
213 newnode->type->aggregate.kind = kind;
214 newnode->type->aggregate.name = assign_strptr( name );
215 if ( newnode->type->aggregate.name == "" ) { // anonymous aggregate ?
216 newnode->type->aggregate.name = anonymous.newName();
217 } // if
218 newnode->type->aggregate.actuals = actuals;
219 newnode->type->aggregate.fields = fields;
220 newnode->type->aggregate.body = body;
221 return newnode;
222} // DeclarationNode::newAggregate
223
224DeclarationNode *DeclarationNode::newEnum( std::string *name, DeclarationNode *constants ) {
225 DeclarationNode *newnode = new DeclarationNode;
226 newnode->name = assign_strptr( name );
227 newnode->type = new TypeData( TypeData::Enum );
228 newnode->type->enumeration.name = newnode->name;
229 if ( newnode->type->enumeration.name == "" ) { // anonymous enumeration ?
230 newnode->type->enumeration.name = DeclarationNode::anonymous.newName();
231 } // if
232 newnode->type->enumeration.constants = constants;
233 return newnode;
234} // DeclarationNode::newEnum
235
236DeclarationNode *DeclarationNode::newEnumConstant( std::string *name, ExpressionNode *constant ) {
237 DeclarationNode *newnode = new DeclarationNode;
238 newnode->name = assign_strptr( name );
239 newnode->enumeratorValue.reset( constant );
240 typedefTable.addToEnclosingScope( newnode->name, TypedefTable::ID );
241 return newnode;
242} // DeclarationNode::newEnumConstant
243
244DeclarationNode *DeclarationNode::newName( std::string *name ) {
245 DeclarationNode *newnode = new DeclarationNode;
246 newnode->name = assign_strptr( name );
247 return newnode;
248} // DeclarationNode::newName
249
250DeclarationNode *DeclarationNode::newFromTypeGen( std::string *name, ExpressionNode *params ) {
251 DeclarationNode *newnode = new DeclarationNode;
252 newnode->type = new TypeData( TypeData::SymbolicInst );
253 newnode->type->symbolic.name = assign_strptr( name );
254 newnode->type->symbolic.isTypedef = false;
255 newnode->type->symbolic.actuals = params;
256 return newnode;
257} // DeclarationNode::newFromTypeGen
258
259DeclarationNode *DeclarationNode::newTypeParam( TypeClass tc, std::string *name ) {
260 DeclarationNode *newnode = new DeclarationNode;
261 newnode->name = assign_strptr( name );
262 newnode->type = new TypeData( TypeData::Variable );
263 newnode->variable.tyClass = tc;
264 newnode->variable.name = newnode->name;
265 return newnode;
266} // DeclarationNode::newTypeParam
267
268DeclarationNode *DeclarationNode::newTrait( std::string *name, DeclarationNode *params, DeclarationNode *asserts ) {
269 DeclarationNode *newnode = new DeclarationNode;
270 newnode->type = new TypeData( TypeData::Aggregate );
271 newnode->type->aggregate.kind = Trait;
272 newnode->type->aggregate.params = params;
273 newnode->type->aggregate.fields = asserts;
274 newnode->type->aggregate.name = assign_strptr( name );
275 return newnode;
276} // DeclarationNode::newTrait
277
278DeclarationNode *DeclarationNode::newTraitUse( std::string *name, ExpressionNode *params ) {
279 DeclarationNode *newnode = new DeclarationNode;
280 newnode->type = new TypeData( TypeData::AggregateInst );
281 newnode->type->aggInst.aggregate = new TypeData( TypeData::Aggregate );
282 newnode->type->aggInst.aggregate->aggregate.kind = Trait;
283 newnode->type->aggInst.aggregate->aggregate.name = assign_strptr( name );
284 newnode->type->aggInst.params = params;
285 return newnode;
286} // DeclarationNode::newTraitUse
287
288DeclarationNode *DeclarationNode::newTypeDecl( std::string *name, DeclarationNode *typeParams ) {
289 DeclarationNode *newnode = new DeclarationNode;
290 newnode->name = assign_strptr( name );
291 newnode->type = new TypeData( TypeData::Symbolic );
292 newnode->type->symbolic.isTypedef = false;
293 newnode->type->symbolic.params = typeParams;
294 newnode->type->symbolic.name = newnode->name;
295 return newnode;
296} // DeclarationNode::newTypeDecl
297
298DeclarationNode *DeclarationNode::newPointer( DeclarationNode *qualifiers ) {
299 DeclarationNode *newnode = new DeclarationNode;
300 newnode->type = new TypeData( TypeData::Pointer );
301 return newnode->addQualifiers( qualifiers );
302} // DeclarationNode::newPointer
303
304DeclarationNode *DeclarationNode::newArray( ExpressionNode *size, DeclarationNode *qualifiers, bool isStatic ) {
305 DeclarationNode *newnode = new DeclarationNode;
306 newnode->type = new TypeData( TypeData::Array );
307 newnode->type->array.dimension = size;
308 newnode->type->array.isStatic = isStatic;
309 if ( newnode->type->array.dimension == 0 || newnode->type->array.dimension->isExpressionType<ConstantExpr *>() ) {
310 newnode->type->array.isVarLen = false;
311 } else {
312 newnode->type->array.isVarLen = true;
313 } // if
314 return newnode->addQualifiers( qualifiers );
315} // DeclarationNode::newArray
316
317DeclarationNode *DeclarationNode::newVarArray( DeclarationNode *qualifiers ) {
318 DeclarationNode *newnode = new DeclarationNode;
319 newnode->type = new TypeData( TypeData::Array );
320 newnode->type->array.dimension = 0;
321 newnode->type->array.isStatic = false;
322 newnode->type->array.isVarLen = true;
323 return newnode->addQualifiers( qualifiers );
324}
325
326DeclarationNode *DeclarationNode::newBitfield( ExpressionNode *size ) {
327 DeclarationNode *newnode = new DeclarationNode;
328 newnode->bitfieldWidth = size;
329 return newnode;
330}
331
332DeclarationNode *DeclarationNode::newTuple( DeclarationNode *members ) {
333 DeclarationNode *newnode = new DeclarationNode;
334 newnode->type = new TypeData( TypeData::Tuple );
335 newnode->type->tuple = members;
336 return newnode;
337}
338
339DeclarationNode *DeclarationNode::newTypeof( ExpressionNode *expr ) {
340 DeclarationNode *newnode = new DeclarationNode;
341 newnode->type = new TypeData( TypeData::Typeof );
342 newnode->type->typeexpr = expr;
343 return newnode;
344}
345
346DeclarationNode * DeclarationNode::newBuiltinType( BuiltinType bt ) {
347 DeclarationNode *newnode = new DeclarationNode;
348 newnode->type = new TypeData( TypeData::Builtin );
349 newnode->builtin = bt;
350 return newnode;
351} // DeclarationNode::newBuiltinType
352
353DeclarationNode *DeclarationNode::newAttr( std::string *name, ExpressionNode *expr ) {
354 DeclarationNode *newnode = new DeclarationNode;
355 newnode->type = new TypeData( TypeData::Attr );
356 newnode->attr.name = assign_strptr( name );
357 newnode->attr.expr = expr;
358 return newnode;
359}
360
361DeclarationNode *DeclarationNode::newAttr( std::string *name, DeclarationNode *type ) {
362 DeclarationNode *newnode = new DeclarationNode;
363 newnode->type = new TypeData( TypeData::Attr );
364 newnode->attr.name = assign_strptr( name );
365 newnode->attr.type = type;
366 return newnode;
367}
368
369static void addQualifiersToType( TypeData *&src, TypeData *dst ) {
370 if ( src && dst ) {
371 if ( src->forall && dst->kind == TypeData::Function ) {
372 if ( dst->forall ) {
373 dst->forall->appendList( src->forall );
374 } else {
375 dst->forall = src->forall;
376 } // if
377 src->forall = 0;
378 } // if
379 if ( dst->base ) {
380 addQualifiersToType( src, dst->base );
381 } else if ( dst->kind == TypeData::Function ) {
382 dst->base = src;
383 src = 0;
384 } else {
385 dst->qualifiers |= src->qualifiers;
386 } // if
387 } // if
388}
389
390void DeclarationNode::checkQualifiers( const TypeData *src, const TypeData *dst ) {
391 TypeData::Qualifiers qsrc = src->qualifiers, qdst = dst->qualifiers; // optimization
392
393 if ( (qsrc & qdst).any() ) { // common qualifier ?
394 for ( int i = 0; i < NoOfQualifier; i += 1 ) { // find common qualifiers
395 if ( qsrc[i] & qdst[i] ) {
396 if ( ! error.empty() ) error += ", "; // separator
397 error += string( "duplicate " ) + DeclarationNode::qualifierName[i];
398 } // if
399 } // for
400 } // if
401} // DeclarationNode::checkQualifiers
402
403void DeclarationNode::checkStorageClasses( DeclarationNode *q ) {
404 if ( storageClass != NoStorageClass && q->storageClass != NoStorageClass ) {
405 if ( ! error.empty() ) error += ", "; // separator
406 if ( storageClass == q->storageClass ) { // duplicate qualifier
407 error += string( "duplicate " ) + storageName[ storageClass ];
408 } else { // only one storage class
409 error += string( "conflicting " ) + storageName[ storageClass ] + " & " + storageName[ q->storageClass ];
410 q->storageClass = storageClass; // FIX ERROR
411 } // if
412 if ( ! q->error.empty() ) error += ", " + q->error; // separator
413 } else {
414 if ( ! error.empty() ) {
415 if ( ! q->error.empty() ) error += ", " + q->error; // separator
416 } else if ( ! q->error.empty() ) error += q->error;
417 } // if
418} // DeclarationNode::copyStorageClasses
419
420DeclarationNode *DeclarationNode::copyStorageClasses( DeclarationNode *q ) {
421 isInline = isInline | q->isInline;
422 isNoreturn = isNoreturn | q->isNoreturn;
423 // do not overwrite an existing value with NoStorageClass
424 if ( q->storageClass != NoStorageClass ) {
425 assert( storageClass == NoStorageClass || storageClass == q->storageClass );
426 storageClass = q->storageClass;
427 } // if
428 return this;
429} // DeclarationNode::copyStorageClasses
430
431DeclarationNode *DeclarationNode::addQualifiers( DeclarationNode *q ) {
432 if ( q ) {
433 checkStorageClasses( q );
434 copyStorageClasses( q );
435 if ( q->type ) {
436 if ( ! type ) {
437 type = new TypeData;
438 } else {
439 checkQualifiers( q->type, type );
440 } // if
441 addQualifiersToType( q->type, type );
442 if ( q->type && q->type->forall ) {
443 if ( type->forall ) {
444 type->forall->appendList( q->type->forall );
445 } else {
446 if ( type->kind == TypeData::Aggregate ) {
447 type->aggregate.params = q->type->forall;
448 // change implicit typedef from TYPEDEFname to TYPEGENname
449 typedefTable.changeKind( type->aggregate.name, TypedefTable::TG );
450 } else {
451 type->forall = q->type->forall;
452 } // if
453 } // if
454 q->type->forall = 0;
455 } // if
456 } // if
457 } // if
458 delete q;
459 return this;
460}
461
462static void addTypeToType( TypeData *&src, TypeData *&dst ) {
463 if ( src && dst ) {
464 if ( src->forall && dst->kind == TypeData::Function ) {
465 if ( dst->forall ) {
466 dst->forall->appendList( src->forall );
467 } else {
468 dst->forall = src->forall;
469 } // if
470 src->forall = 0;
471 } // if
472 if ( dst->base ) {
473 addTypeToType( src, dst->base );
474 } else {
475 switch ( dst->kind ) {
476 case TypeData::Unknown:
477 src->qualifiers |= dst->qualifiers;
478 dst = src;
479 src = 0;
480 break;
481 case TypeData::Basic:
482 dst->qualifiers |= src->qualifiers;
483 if ( src->kind != TypeData::Unknown ) {
484 assert( src->kind == TypeData::Basic );
485 dst->basic.modifiers.splice( dst->basic.modifiers.end(), src->basic.modifiers );
486 dst->basic.typeSpec.splice( dst->basic.typeSpec.end(), src->basic.typeSpec );
487 } // if
488 break;
489 default:
490 switch ( src->kind ) {
491 case TypeData::Aggregate:
492 case TypeData::Enum:
493 dst->base = new TypeData( TypeData::AggregateInst );
494 dst->base->aggInst.aggregate = src;
495 if ( src->kind == TypeData::Aggregate ) {
496 dst->base->aggInst.params = maybeClone( src->aggregate.actuals );
497 } // if
498 dst->base->qualifiers |= src->qualifiers;
499 src = 0;
500 break;
501 default:
502 if ( dst->forall ) {
503 dst->forall->appendList( src->forall );
504 } else {
505 dst->forall = src->forall;
506 } // if
507 src->forall = 0;
508 dst->base = src;
509 src = 0;
510 } // switch
511 } // switch
512 } // if
513 } // if
514}
515
516DeclarationNode *DeclarationNode::addType( DeclarationNode *o ) {
517 if ( o ) {
518 checkStorageClasses( o );
519 copyStorageClasses( o );
520 if ( o->type ) {
521 if ( ! type ) {
522 if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) {
523 type = new TypeData( TypeData::AggregateInst );
524 type->aggInst.aggregate = o->type;
525 if ( o->type->kind == TypeData::Aggregate ) {
526 type->aggInst.params = maybeClone( o->type->aggregate.actuals );
527 } // if
528 type->qualifiers |= o->type->qualifiers;
529 } else {
530 type = o->type;
531 } // if
532 o->type = 0;
533 } else {
534 addTypeToType( o->type, type );
535 } // if
536 } // if
537 if ( o->bitfieldWidth ) {
538 bitfieldWidth = o->bitfieldWidth;
539 } // if
540
541 // there may be typedefs chained onto the type
542 if ( o->get_next() ) {
543 set_last( o->get_next()->clone() );
544 } // if
545 } // if
546 delete o;
547 return this;
548}
549
550DeclarationNode *DeclarationNode::addTypedef() {
551 TypeData *newtype = new TypeData( TypeData::Symbolic );
552 newtype->symbolic.params = 0;
553 newtype->symbolic.isTypedef = true;
554 newtype->symbolic.name = name;
555 newtype->base = type;
556 type = newtype;
557 return this;
558}
559
560DeclarationNode *DeclarationNode::addAssertions( DeclarationNode *assertions ) {
561 assert( type );
562 switch ( type->kind ) {
563 case TypeData::Symbolic:
564 if ( type->symbolic.assertions ) {
565 type->symbolic.assertions->appendList( assertions );
566 } else {
567 type->symbolic.assertions = assertions;
568 } // if
569 break;
570 case TypeData::Variable:
571 if ( variable.assertions ) {
572 variable.assertions->appendList( assertions );
573 } else {
574 variable.assertions = assertions;
575 } // if
576 break;
577 default:
578 assert( false );
579 } // switch
580
581 return this;
582}
583
584DeclarationNode *DeclarationNode::addName( std::string *newname ) {
585 name = assign_strptr( newname );
586 return this;
587}
588
589DeclarationNode *DeclarationNode::addBitfield( ExpressionNode *size ) {
590 bitfieldWidth = size;
591 return this;
592}
593
594DeclarationNode *DeclarationNode::addVarArgs() {
595 assert( type );
596 hasEllipsis = true;
597 return this;
598}
599
600DeclarationNode *DeclarationNode::addFunctionBody( StatementNode *body ) {
601 assert( type );
602 assert( type->kind == TypeData::Function );
603 assert( type->function.body == 0 );
604 type->function.body = body;
605 type->function.hasBody = true;
606 return this;
607}
608
609DeclarationNode *DeclarationNode::addOldDeclList( DeclarationNode *list ) {
610 assert( type );
611 assert( type->kind == TypeData::Function );
612 assert( type->function.oldDeclList == 0 );
613 type->function.oldDeclList = list;
614 return this;
615}
616
617static void setBase( TypeData *&type, TypeData *newType ) {
618 if ( type ) {
619 TypeData *prevBase = type;
620 TypeData *curBase = type->base;
621 while ( curBase != 0 ) {
622 prevBase = curBase;
623 curBase = curBase->base;
624 } // while
625 prevBase->base = newType;
626 } else {
627 type = newType;
628 } // if
629}
630
631DeclarationNode *DeclarationNode::addPointer( DeclarationNode *p ) {
632 if ( p ) {
633 assert( p->type->kind == TypeData::Pointer );
634 setBase( type, p->type );
635 p->type = 0;
636 delete p;
637 } // if
638 return this;
639}
640
641DeclarationNode *DeclarationNode::addArray( DeclarationNode *a ) {
642 if ( a ) {
643 assert( a->type->kind == TypeData::Array );
644 setBase( type, a->type );
645 a->type = 0;
646 delete a;
647 } // if
648 return this;
649}
650
651DeclarationNode *DeclarationNode::addNewPointer( DeclarationNode *p ) {
652 if ( p ) {
653 assert( p->type->kind == TypeData::Pointer );
654 if ( type ) {
655 switch ( type->kind ) {
656 case TypeData::Aggregate:
657 case TypeData::Enum:
658 p->type->base = new TypeData( TypeData::AggregateInst );
659 p->type->base->aggInst.aggregate = type;
660 if ( type->kind == TypeData::Aggregate ) {
661 p->type->base->aggInst.params = maybeClone( type->aggregate.actuals );
662 } // if
663 p->type->base->qualifiers |= type->qualifiers;
664 break;
665
666 default:
667 p->type->base = type;
668 } // switch
669 type = 0;
670 } // if
671 delete this;
672 return p;
673 } else {
674 return this;
675 } // if
676}
677
678static TypeData *findLast( TypeData *a ) {
679 assert( a );
680 TypeData *cur = a;
681 while ( cur->base ) {
682 cur = cur->base;
683 } // while
684 return cur;
685}
686
687DeclarationNode *DeclarationNode::addNewArray( DeclarationNode *a ) {
688 if ( a ) {
689 assert( a->type->kind == TypeData::Array );
690 TypeData *lastArray = findLast( a->type );
691 if ( type ) {
692 switch ( type->kind ) {
693 case TypeData::Aggregate:
694 case TypeData::Enum:
695 lastArray->base = new TypeData( TypeData::AggregateInst );
696 lastArray->base->aggInst.aggregate = type;
697 if ( type->kind == TypeData::Aggregate ) {
698 lastArray->base->aggInst.params = maybeClone( type->aggregate.actuals );
699 } // if
700 lastArray->base->qualifiers |= type->qualifiers;
701 break;
702 default:
703 lastArray->base = type;
704 } // switch
705 type = 0;
706 } // if
707 delete this;
708 return a;
709 } else {
710 return this;
711 } // if
712}
713
714DeclarationNode *DeclarationNode::addParamList( DeclarationNode *params ) {
715 TypeData *ftype = new TypeData( TypeData::Function );
716 ftype->function.params = params;
717 setBase( type, ftype );
718 return this;
719}
720
721static TypeData *addIdListToType( TypeData *type, DeclarationNode *ids ) {
722 if ( type ) {
723 if ( type->kind != TypeData::Function ) {
724 type->base = addIdListToType( type->base, ids );
725 } else {
726 type->function.idList = ids;
727 } // if
728 return type;
729 } else {
730 TypeData *newtype = new TypeData( TypeData::Function );
731 newtype->function.idList = ids;
732 return newtype;
733 } // if
734}
735
736DeclarationNode *DeclarationNode::addIdList( DeclarationNode *ids ) {
737 type = addIdListToType( type, ids );
738 return this;
739}
740
741DeclarationNode *DeclarationNode::addInitializer( InitializerNode *init ) {
742 //assert
743 initializer = init;
744 return this;
745}
746
747DeclarationNode *DeclarationNode::cloneBaseType( string *newName ) {
748 DeclarationNode *newnode = new DeclarationNode;
749 TypeData *srcType = type;
750 while ( srcType->base ) {
751 srcType = srcType->base;
752 } // while
753 newnode->type = maybeClone( srcType );
754 if ( newnode->type->kind == TypeData::AggregateInst ) {
755 // don't duplicate members
756 if ( newnode->type->aggInst.aggregate->kind == TypeData::Enum ) {
757 delete newnode->type->aggInst.aggregate->enumeration.constants;
758 newnode->type->aggInst.aggregate->enumeration.constants = 0;
759 } else {
760 assert( newnode->type->aggInst.aggregate->kind == TypeData::Aggregate );
761 delete newnode->type->aggInst.aggregate->aggregate.fields;
762 newnode->type->aggInst.aggregate->aggregate.fields = 0;
763 } // if
764 } // if
765 newnode->type->forall = maybeClone( type->forall );
766 assert( storageClass == NoStorageClass );
767 newnode->copyStorageClasses( this );
768 newnode->name = assign_strptr( newName );
769 return newnode;
770}
771
772DeclarationNode *DeclarationNode::cloneBaseType( DeclarationNode *o ) {
773 if ( o ) {
774 o->copyStorageClasses( this );
775 if ( type ) {
776 TypeData *srcType = type;
777 while ( srcType->base ) {
778 srcType = srcType->base;
779 } // while
780 TypeData *newType = srcType->clone();
781 if ( newType->kind == TypeData::AggregateInst ) {
782 // don't duplicate members
783 if ( newType->aggInst.aggregate->kind == TypeData::Enum ) {
784 delete newType->aggInst.aggregate->enumeration.constants;
785 newType->aggInst.aggregate->enumeration.constants = 0;
786 } else {
787 assert( newType->aggInst.aggregate->kind == TypeData::Aggregate );
788 delete newType->aggInst.aggregate->aggregate.fields;
789 newType->aggInst.aggregate->aggregate.fields = 0;
790 } // if
791 } // if
792 newType->forall = maybeClone( type->forall );
793 if ( ! o->type ) {
794 o->type = newType;
795 } else {
796 addTypeToType( newType, o->type );
797 delete newType;
798 } // if
799 } // if
800 } // if
801 return o;
802}
803
804DeclarationNode *DeclarationNode::cloneType( string *newName ) {
805 DeclarationNode *newnode = new DeclarationNode;
806 newnode->type = maybeClone( type );
807 assert( storageClass == NoStorageClass );
808 newnode->copyStorageClasses( this );
809 newnode->name = assign_strptr( newName );
810 return newnode;
811}
812
813DeclarationNode *DeclarationNode::cloneType( DeclarationNode *o ) {
814 if ( o ) {
815 assert( storageClass == NoStorageClass );
816 o->copyStorageClasses( this );
817 if ( type ) {
818 TypeData *newType = type->clone();
819 if ( ! o->type ) {
820 o->type = newType;
821 } else {
822 addTypeToType( newType, o->type );
823 delete newType;
824 } // if
825 } // if
826 } // if
827 delete o;
828 return o;
829}
830
831DeclarationNode *DeclarationNode::extractAggregate() const {
832 if ( type ) {
833 TypeData *ret = typeextractAggregate( type );
834 if ( ret ) {
835 DeclarationNode *newnode = new DeclarationNode;
836 newnode->type = ret;
837 return newnode;
838 } // if
839 } // if
840 return 0;
841}
842
843void buildList( const DeclarationNode *firstNode, std::list< Declaration * > &outputList ) {
844 SemanticError errors;
845 std::back_insert_iterator< std::list< Declaration * > > out( outputList );
846 const DeclarationNode *cur = firstNode;
847 while ( cur ) {
848 try {
849 if ( DeclarationNode *extr = cur->extractAggregate() ) {
850 // handle the case where a structure declaration is contained within an object or type declaration
851 Declaration *decl = extr->build();
852 if ( decl ) {
853 *out++ = decl;
854 } // if
855 delete extr;
856 } // if
857 Declaration *decl = cur->build();
858 if ( decl ) {
859 *out++ = decl;
860 } // if
861 } catch( SemanticError &e ) {
862 errors.append( e );
863 } // try
864 cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
865 } // while
866 if ( ! errors.isEmpty() ) {
867 throw errors;
868 } // if
869}
870
871void buildList( const DeclarationNode *firstNode, std::list< DeclarationWithType * > &outputList ) {
872 SemanticError errors;
873 std::back_insert_iterator< std::list< DeclarationWithType * > > out( outputList );
874 const DeclarationNode *cur = firstNode;
875 while ( cur ) {
876 try {
877/// if ( DeclarationNode *extr = cur->extractAggregate() ) {
878/// // handle the case where a structure declaration is contained within an object or type
879/// // declaration
880/// Declaration *decl = extr->build();
881/// if ( decl ) {
882/// *out++ = decl;
883/// }
884/// }
885 Declaration *decl = cur->build();
886 if ( decl ) {
887 if ( DeclarationWithType *dwt = dynamic_cast< DeclarationWithType * >( decl ) ) {
888 *out++ = dwt;
889 } else if ( StructDecl *agg = dynamic_cast< StructDecl * >( decl ) ) {
890 StructInstType *inst = new StructInstType( Type::Qualifiers(), agg->get_name() );
891 *out++ = new ObjectDecl( "", DeclarationNode::NoStorageClass, linkage, 0, inst, 0 );
892 delete agg;
893 } else if ( UnionDecl *agg = dynamic_cast< UnionDecl * >( decl ) ) {
894 UnionInstType *inst = new UnionInstType( Type::Qualifiers(), agg->get_name() );
895 *out++ = new ObjectDecl( "", DeclarationNode::NoStorageClass, linkage, 0, inst, 0 );
896 } // if
897 } // if
898 } catch( SemanticError &e ) {
899 errors.append( e );
900 } // try
901 cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
902 } // while
903 if ( ! errors.isEmpty() ) {
904 throw errors;
905 } // if
906}
907
908void buildTypeList( const DeclarationNode *firstNode, std::list< Type * > &outputList ) {
909 SemanticError errors;
910 std::back_insert_iterator< std::list< Type * > > out( outputList );
911 const DeclarationNode *cur = firstNode;
912 while ( cur ) {
913 try {
914 *out++ = cur->buildType();
915 } catch( SemanticError &e ) {
916 errors.append( e );
917 } // try
918 cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
919 } // while
920 if ( ! errors.isEmpty() ) {
921 throw errors;
922 } // if
923}
924
925Declaration *DeclarationNode::build() const {
926 if ( ! error.empty() ) throw SemanticError( error + " in declaration of ", this );
927 if ( type ) {
928 if ( type->kind == TypeData::Variable ) {
929 static const TypeDecl::Kind kindMap[] = { TypeDecl::Any, TypeDecl::Ftype, TypeDecl::Dtype };
930 TypeDecl * ret = new TypeDecl( variable.name, DeclarationNode::NoStorageClass, 0, kindMap[ variable.tyClass ] );
931 buildList( variable.assertions, ret->get_assertions() );
932 return ret;
933 } else {
934 return buildDecl( type, name, storageClass, maybeBuild< Expression >( bitfieldWidth ), isInline, isNoreturn, linkage, maybeBuild< Initializer >(initializer) )->set_extension( extension );
935 } // if
936 } // if
937 if ( ! isInline && ! isNoreturn ) {
938 return (new ObjectDecl( name, storageClass, linkage, maybeBuild< Expression >( bitfieldWidth ), 0, maybeBuild< Initializer >( initializer ) ))->set_extension( extension );
939 } // if
940 throw SemanticError( "invalid function specifier ", this );
941}
942
943Type *DeclarationNode::buildType() const {
944 assert( type );
945
946 switch ( type->kind ) {
947 case TypeData::Enum:
948 return new EnumInstType( buildQualifiers( type ), type->enumeration.name );
949 case TypeData::Aggregate: {
950 ReferenceToType *ret;
951 switch ( type->aggregate.kind ) {
952 case DeclarationNode::Struct:
953 ret = new StructInstType( buildQualifiers( type ), type->aggregate.name );
954 break;
955 case DeclarationNode::Union:
956 ret = new UnionInstType( buildQualifiers( type ), type->aggregate.name );
957 break;
958 case DeclarationNode::Trait:
959 ret = new TraitInstType( buildQualifiers( type ), type->aggregate.name );
960 break;
961 default:
962 assert( false );
963 } // switch
964 buildList( type->aggregate.actuals, ret->get_parameters() );
965 return ret;
966 }
967 case TypeData::Symbolic: {
968 TypeInstType *ret = new TypeInstType( buildQualifiers( type ), type->symbolic.name, false );
969 buildList( type->symbolic.actuals, ret->get_parameters() );
970 return ret;
971 }
972 case TypeData::Attr: {
973 assert( type->kind == TypeData::Attr );
974 // assert( type->attr );
975 AttrType * ret;
976 if ( attr.expr ) {
977 ret = new AttrType( buildQualifiers( type ), attr.name, attr.expr->build() );
978 } else {
979 assert( attr.type );
980 ret = new AttrType( buildQualifiers( type ), attr.name, attr.type->buildType() );
981 } // if
982 return ret;
983 }
984 default:
985 return typebuild( type );
986 } // switch
987}
988
989// Local Variables: //
990// tab-width: 4 //
991// mode: c++ //
992// compile-command: "make install" //
993// End: //
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