source: src/Parser/DeclarationNode.cc@ 77acda06

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors ctor deferred_resn demangler enum forall-pointer-decay gc_noraii jacob/cs343-translation jenkins-sandbox memory 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 77acda06 was 974906e2, checked in by Rob Schluntz <rschlunt@…>, 10 years ago

propagate maybeConstructed flag through system, begin create constructor/destructor statements for further processing by Resolver

  • Property mode set to 100644
File size: 29.0 KB
RevLine 
[b87a5ed]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//
[974906e2]7// DeclarationNode.cc --
[b87a5ed]8//
9// Author : Rodolfo G. Esteves
10// Created On : Sat May 16 12:34:05 2015
[974906e2]11// Last Modified By : Rob Schluntz
12// Last Modified On : Thu Jan 07 13:18:02 2016
13// Update Count : 130
[b87a5ed]14//
15
[51b73452]16#include <string>
17#include <list>
18#include <iterator>
19#include <algorithm>
20#include <cassert>
21
22#include "TypeData.h"
[bdd516a]23
[68cd1ce]24#include "SynTree/Declaration.h"
25#include "SynTree/Expression.h"
[51b73452]26
[de62360d]27#include "Parser.h"
28#include "TypedefTable.h"
29extern TypedefTable typedefTable;
30
[51b73452]31using namespace std;
32
[bdd516a]33// These must remain in the same order as the corresponding DeclarationNode enumerations.
[68cd1ce]34const char *DeclarationNode::storageName[] = { "extern", "static", "auto", "register", "inline", "fortran", "_Noreturn", "_Thread_local", "" };
[bdd516a]35const char *DeclarationNode::qualifierName[] = { "const", "restrict", "volatile", "lvalue", "_Atomic" };
[17cd4eb]36const char *DeclarationNode::basicTypeName[] = { "char", "int", "float", "double", "void", "_Bool", "_Complex", "_Imaginary" };
[68cd1ce]37const char *DeclarationNode::modifierName[] = { "signed", "unsigned", "short", "long" };
38const char *DeclarationNode::aggregateName[] = { "struct", "union", "context" };
[51b73452]39const char *DeclarationNode::typeClassName[] = { "type", "dtype", "ftype" };
40
41UniqueName DeclarationNode::anonymous( "__anonymous" );
42
43extern LinkageSpec::Type linkage; /* defined in cfa.y */
44
[3848e0e]45DeclarationNode *DeclarationNode::clone() const {
[b87a5ed]46 DeclarationNode *newnode = new DeclarationNode;
47 newnode->type = maybeClone( type );
48 newnode->name = name;
49 newnode->storageClasses = storageClasses;
50 newnode->bitfieldWidth = maybeClone( bitfieldWidth );
51 newnode->hasEllipsis = hasEllipsis;
52 newnode->initializer = initializer;
53 newnode->next = maybeClone( next );
54 newnode->linkage = linkage;
55 return newnode;
[3848e0e]56}
57
58DeclarationNode::DeclarationNode() : type( 0 ), bitfieldWidth( 0 ), initializer( 0 ), hasEllipsis( false ), linkage( ::linkage ) {
59}
60
61DeclarationNode::~DeclarationNode() {
[b87a5ed]62 delete type;
63 delete bitfieldWidth;
64 delete initializer;
[3848e0e]65}
66
67bool DeclarationNode::get_hasEllipsis() const {
[b87a5ed]68 return hasEllipsis;
[3848e0e]69}
70
71void DeclarationNode::print( std::ostream &os, int indent ) const {
[59db689]72 os << string( indent, ' ' );
[b87a5ed]73 if ( name == "" ) {
74 os << "unnamed: ";
75 } else {
76 os << name << ": ";
[68cd1ce]77 } // if
[51b73452]78
[b87a5ed]79 if ( linkage != LinkageSpec::Cforall ) {
80 os << LinkageSpec::toString( linkage ) << " ";
[68cd1ce]81 } // if
[3848e0e]82
[68cd1ce]83 printEnums( storageClasses.begin(), storageClasses.end(), DeclarationNode::storageName, os );
[b87a5ed]84 if ( type ) {
85 type->print( os, indent );
86 } else {
87 os << "untyped entity ";
[68cd1ce]88 } // if
[3848e0e]89
[b87a5ed]90 if ( bitfieldWidth ) {
[59db689]91 os << endl << string( indent + 2, ' ' ) << "with bitfield width ";
[b87a5ed]92 bitfieldWidth->printOneLine( os );
[68cd1ce]93 } // if
[3848e0e]94
[b87a5ed]95 if ( initializer != 0 ) {
[59db689]96 os << endl << string( indent + 2, ' ' ) << "with initializer ";
[b87a5ed]97 initializer->printOneLine( os );
[974906e2]98 os << " maybe constructed? " << initializer->get_maybeConstructed();
99
[68cd1ce]100 } // if
[3848e0e]101
[b87a5ed]102 os << endl;
[51b73452]103}
104
[3848e0e]105void DeclarationNode::printList( std::ostream &os, int indent ) const {
[b87a5ed]106 ParseNode::printList( os, indent );
107 if ( hasEllipsis ) {
108 os << string( indent, ' ' ) << "and a variable number of other arguments" << endl;
[68cd1ce]109 } // if
[51b73452]110}
111
[d9a0e76]112DeclarationNode *DeclarationNode::newFunction( std::string *name, DeclarationNode *ret, DeclarationNode *param, StatementNode *body, bool newStyle ) {
[b87a5ed]113 DeclarationNode *newnode = new DeclarationNode;
114 newnode->name = assign_strptr( name );
[3848e0e]115
[b87a5ed]116 newnode->type = new TypeData( TypeData::Function );
117 newnode->type->function->params = param;
118 newnode->type->function->newStyle = newStyle;
119 newnode->type->function->body = body;
[3848e0e]120
[b87a5ed]121 if ( body ) {
122 newnode->type->function->hasBody = true;
[68cd1ce]123 } // if
[51b73452]124
[b87a5ed]125 if ( ret ) {
126 newnode->type->base = ret->type;
127 ret->type = 0;
128 delete ret;
[68cd1ce]129 } // if
[51b73452]130
[b87a5ed]131 return newnode;
[3848e0e]132}
133
134DeclarationNode *DeclarationNode::newQualifier( Qualifier q ) {
[b87a5ed]135 DeclarationNode *newnode = new DeclarationNode;
136 newnode->type = new TypeData();
137 newnode->type->qualifiers.push_back( q );
138 return newnode;
[3848e0e]139}
140
[68cd1ce]141DeclarationNode *DeclarationNode::newStorageClass( DeclarationNode::StorageClass sc ) {
[b87a5ed]142 DeclarationNode *newnode = new DeclarationNode;
143 newnode->storageClasses.push_back( sc );
144 return newnode;
[3848e0e]145}
146
147DeclarationNode *DeclarationNode::newBasicType( BasicType bt ) {
[b87a5ed]148 DeclarationNode *newnode = new DeclarationNode;
149 newnode->type = new TypeData( TypeData::Basic );
150 newnode->type->basic->typeSpec.push_back( bt );
151 return newnode;
[3848e0e]152}
153
154DeclarationNode *DeclarationNode::newModifier( Modifier mod ) {
[b87a5ed]155 DeclarationNode *newnode = new DeclarationNode;
156 newnode->type = new TypeData( TypeData::Basic );
157 newnode->type->basic->modifiers.push_back( mod );
158 return newnode;
[3848e0e]159}
160
[59db689]161DeclarationNode *DeclarationNode::newForall( DeclarationNode *forall ) {
[b87a5ed]162 DeclarationNode *newnode = new DeclarationNode;
163 newnode->type = new TypeData( TypeData::Unknown );
164 newnode->type->forall = forall;
165 return newnode;
[3848e0e]166}
167
[59db689]168DeclarationNode *DeclarationNode::newFromTypedef( std::string *name ) {
[b87a5ed]169 DeclarationNode *newnode = new DeclarationNode;
170 newnode->type = new TypeData( TypeData::SymbolicInst );
171 newnode->type->symbolic->name = assign_strptr( name );
172 newnode->type->symbolic->isTypedef = true;
173 newnode->type->symbolic->params = 0;
174 return newnode;
[3848e0e]175}
176
[2871210]177DeclarationNode *DeclarationNode::newAggregate( Aggregate kind, const std::string *name, ExpressionNode *actuals, DeclarationNode *fields ) {
[b87a5ed]178 DeclarationNode *newnode = new DeclarationNode;
179 newnode->type = new TypeData( TypeData::Aggregate );
180 newnode->type->aggregate->kind = kind;
181 newnode->type->aggregate->name = assign_strptr( name );
[2871210]182 if ( newnode->type->aggregate->name == "" ) { // anonymous aggregate ?
[b87a5ed]183 newnode->type->aggregate->name = DeclarationNode::anonymous.newName();
[2871210]184 } else {
185 // SKULLDUGGERY: generate a typedef for the aggregate name so that the aggregate does not have to be qualified
186 // by "struct"
187 typedefTable.addToEnclosingScope( newnode->type->aggregate->name, TypedefTable::TD );
188 DeclarationNode *typedf = new DeclarationNode;
189 typedf->name = newnode->type->aggregate->name;
190 newnode->appendList( typedf->addType( newnode->clone() )->addTypedef() );
[68cd1ce]191 } // if
[b87a5ed]192 newnode->type->aggregate->actuals = actuals;
[721f17a]193 newnode->type->aggregate->fields = fields;
[b87a5ed]194 return newnode;
[3848e0e]195}
196
197DeclarationNode *DeclarationNode::newEnum( std::string *name, DeclarationNode *constants ) {
[b87a5ed]198 DeclarationNode *newnode = new DeclarationNode;
199 newnode->name = assign_strptr( name );
200 newnode->type = new TypeData( TypeData::Enum );
201 newnode->type->enumeration->name = newnode->name;
[2871210]202 if ( newnode->type->enumeration->name == "" ) { // anonymous enumeration ?
[b87a5ed]203 newnode->type->enumeration->name = DeclarationNode::anonymous.newName();
[2871210]204 } else {
205 // SKULLDUGGERY: generate a typedef for the enumeration name so that the enumeration does not have to be
206 // qualified by "enum"
207 typedefTable.addToEnclosingScope( newnode->type->enumeration->name, TypedefTable::TD );
208 DeclarationNode *typedf = new DeclarationNode;
209 typedf->name = newnode->type->enumeration->name;
210 newnode->appendList( typedf->addType( newnode->clone() )->addTypedef() );
[68cd1ce]211 } // if
[b87a5ed]212 newnode->type->enumeration->constants = constants;
213 return newnode;
[3848e0e]214}
215
[59db689]216DeclarationNode *DeclarationNode::newEnumConstant( std::string *name, ExpressionNode *constant ) {
[b87a5ed]217 DeclarationNode *newnode = new DeclarationNode;
218 newnode->name = assign_strptr( name );
219 // do something with the constant
220 return newnode;
[3848e0e]221}
222
[59db689]223DeclarationNode *DeclarationNode::newName( std::string *name ) {
[b87a5ed]224 DeclarationNode *newnode = new DeclarationNode;
225 newnode->name = assign_strptr( name );
226 return newnode;
[3848e0e]227}
228
[59db689]229DeclarationNode *DeclarationNode::newFromTypeGen( std::string *name, ExpressionNode *params ) {
[b87a5ed]230 DeclarationNode *newnode = new DeclarationNode;
231 newnode->type = new TypeData( TypeData::SymbolicInst );
232 newnode->type->symbolic->name = assign_strptr( name );
233 newnode->type->symbolic->isTypedef = false;
234 newnode->type->symbolic->actuals = params;
235 return newnode;
[3848e0e]236}
237
[59db689]238DeclarationNode *DeclarationNode::newTypeParam( TypeClass tc, std::string *name ) {
[b87a5ed]239 DeclarationNode *newnode = new DeclarationNode;
240 newnode->name = assign_strptr( name );
241 newnode->type = new TypeData( TypeData::Variable );
242 newnode->type->variable->tyClass = tc;
243 newnode->type->variable->name = newnode->name;
244 return newnode;
[3848e0e]245}
246
247DeclarationNode *DeclarationNode::newContext( std::string *name, DeclarationNode *params, DeclarationNode *asserts ) {
[b87a5ed]248 DeclarationNode *newnode = new DeclarationNode;
249 newnode->type = new TypeData( TypeData::Aggregate );
250 newnode->type->aggregate->kind = Context;
251 newnode->type->aggregate->params = params;
[721f17a]252 newnode->type->aggregate->fields = asserts;
[b87a5ed]253 newnode->type->aggregate->name = assign_strptr( name );
254 return newnode;
[3848e0e]255}
256
257DeclarationNode *DeclarationNode::newContextUse( std::string *name, ExpressionNode *params ) {
[b87a5ed]258 DeclarationNode *newnode = new DeclarationNode;
259 newnode->type = new TypeData( TypeData::AggregateInst );
260 newnode->type->aggInst->aggregate = new TypeData( TypeData::Aggregate );
261 newnode->type->aggInst->aggregate->aggregate->kind = Context;
262 newnode->type->aggInst->aggregate->aggregate->name = assign_strptr( name );
263 newnode->type->aggInst->params = params;
264 return newnode;
[3848e0e]265}
266
267DeclarationNode *DeclarationNode::newTypeDecl( std::string *name, DeclarationNode *typeParams ) {
[b87a5ed]268 DeclarationNode *newnode = new DeclarationNode;
269 newnode->name = assign_strptr( name );
270 newnode->type = new TypeData( TypeData::Symbolic );
271 newnode->type->symbolic->isTypedef = false;
272 newnode->type->symbolic->params = typeParams;
273 newnode->type->symbolic->name = newnode->name;
274 return newnode;
[3848e0e]275}
276
277DeclarationNode *DeclarationNode::newPointer( DeclarationNode *qualifiers ) {
[b87a5ed]278 DeclarationNode *newnode = new DeclarationNode;
279 newnode->type = new TypeData( TypeData::Pointer );
280 return newnode->addQualifiers( qualifiers );
[3848e0e]281}
282
283DeclarationNode *DeclarationNode::newArray( ExpressionNode *size, DeclarationNode *qualifiers, bool isStatic ) {
[b87a5ed]284 DeclarationNode *newnode = new DeclarationNode;
285 newnode->type = new TypeData( TypeData::Array );
286 newnode->type->array->dimension = size;
287 newnode->type->array->isStatic = isStatic;
[71bd8c6]288 if ( newnode->type->array->dimension == 0 || dynamic_cast<ConstantNode *>( newnode->type->array->dimension ) ) {
289 newnode->type->array->isVarLen = false;
290 } else {
291 newnode->type->array->isVarLen = true;
292 } // if
[b87a5ed]293 return newnode->addQualifiers( qualifiers );
[3848e0e]294}
295
296DeclarationNode *DeclarationNode::newVarArray( DeclarationNode *qualifiers ) {
[b87a5ed]297 DeclarationNode *newnode = new DeclarationNode;
298 newnode->type = new TypeData( TypeData::Array );
299 newnode->type->array->dimension = 0;
300 newnode->type->array->isStatic = false;
301 newnode->type->array->isVarLen = true;
302 return newnode->addQualifiers( qualifiers );
[3848e0e]303}
304
305DeclarationNode *DeclarationNode::newBitfield( ExpressionNode *size ) {
[b87a5ed]306 DeclarationNode *newnode = new DeclarationNode;
307 newnode->bitfieldWidth = size;
308 return newnode;
[3848e0e]309}
310
311DeclarationNode *DeclarationNode::newTuple( DeclarationNode *members ) {
[b87a5ed]312 DeclarationNode *newnode = new DeclarationNode;
313 newnode->type = new TypeData( TypeData::Tuple );
314 newnode->type->tuple->members = members;
315 return newnode;
[3848e0e]316}
317
318DeclarationNode *DeclarationNode::newTypeof( ExpressionNode *expr ) {
[b87a5ed]319 DeclarationNode *newnode = new DeclarationNode;
320 newnode->type = new TypeData( TypeData::Typeof );
321 newnode->type->typeexpr->expr = expr;
322 return newnode;
[3848e0e]323}
324
325DeclarationNode *DeclarationNode::newAttr( std::string *name, ExpressionNode *expr ) {
[b87a5ed]326 DeclarationNode *newnode = new DeclarationNode;
327 newnode->type = new TypeData( TypeData::Attr );
328 newnode->type->attr->name = assign_strptr( name );
329 newnode->type->attr->expr = expr;
330 return newnode;
[3848e0e]331}
332
333DeclarationNode *DeclarationNode::newAttr( std::string *name, DeclarationNode *type ) {
[b87a5ed]334 DeclarationNode *newnode = new DeclarationNode;
335 newnode->type = new TypeData( TypeData::Attr );
336 newnode->type->attr->name = assign_strptr( name );
337 newnode->type->attr->type = type;
338 return newnode;
[3848e0e]339}
340
341static void addQualifiersToType( TypeData *&src, TypeData *dst ) {
[b87a5ed]342 if ( src && dst ) {
343 if ( src->forall && dst->kind == TypeData::Function ) {
344 if ( dst->forall ) {
345 dst->forall->appendList( src->forall );
346 } else {
347 dst->forall = src->forall;
[68cd1ce]348 } // if
[b87a5ed]349 src->forall = 0;
[68cd1ce]350 } // if
[b87a5ed]351 if ( dst->base ) {
352 addQualifiersToType( src, dst->base );
353 } else if ( dst->kind == TypeData::Function ) {
354 dst->base = src;
355 src = 0;
356 } else {
357 dst->qualifiers.splice( dst->qualifiers.end(), src->qualifiers );
[68cd1ce]358 } // if
359 } // if
[3848e0e]360}
[974906e2]361
[3848e0e]362DeclarationNode *DeclarationNode::addQualifiers( DeclarationNode *q ) {
[b87a5ed]363 if ( q ) {
364 storageClasses.splice( storageClasses.end(), q->storageClasses );
365 if ( q->type ) {
366 if ( ! type ) {
367 type = new TypeData;
[68cd1ce]368 } // if
[b87a5ed]369 addQualifiersToType( q->type, type );
370 if ( q->type && q->type->forall ) {
371 if ( type->forall ) {
372 type->forall->appendList( q->type->forall );
373 } else {
[68cd1ce]374 if ( type->kind == TypeData::Aggregate ) {
375 type->aggregate->params = q->type->forall;
[721f17a]376 // change implicit typedef from TYPEDEFname to TYPEGENname
377 typedefTable.changeKind( type->aggregate->name, TypedefTable::TG );
[68cd1ce]378 } else {
379 type->forall = q->type->forall;
380 } // if
381 } // if
[b87a5ed]382 q->type->forall = 0;
[68cd1ce]383 } // if
384 } // if
385 } // if
[b87a5ed]386 delete q;
387 return this;
[3848e0e]388}
389
390DeclarationNode *DeclarationNode::copyStorageClasses( DeclarationNode *q ) {
[b87a5ed]391 storageClasses = q->storageClasses;
392 return this;
[3848e0e]393}
394
395static void addTypeToType( TypeData *&src, TypeData *&dst ) {
[b87a5ed]396 if ( src && dst ) {
397 if ( src->forall && dst->kind == TypeData::Function ) {
398 if ( dst->forall ) {
399 dst->forall->appendList( src->forall );
400 } else {
401 dst->forall = src->forall;
[68cd1ce]402 } // if
[b87a5ed]403 src->forall = 0;
[68cd1ce]404 } // if
[b87a5ed]405 if ( dst->base ) {
406 addTypeToType( src, dst->base );
407 } else {
408 switch ( dst->kind ) {
409 case TypeData::Unknown:
410 src->qualifiers.splice( src->qualifiers.end(), dst->qualifiers );
411 dst = src;
412 src = 0;
413 break;
414 case TypeData::Basic:
415 dst->qualifiers.splice( dst->qualifiers.end(), src->qualifiers );
416 if ( src->kind != TypeData::Unknown ) {
417 assert( src->kind == TypeData::Basic );
418 dst->basic->modifiers.splice( dst->basic->modifiers.end(), src->basic->modifiers );
419 dst->basic->typeSpec.splice( dst->basic->typeSpec.end(), src->basic->typeSpec );
[68cd1ce]420 } // if
[b87a5ed]421 break;
422 default:
423 switch ( src->kind ) {
424 case TypeData::Aggregate:
425 case TypeData::Enum:
426 dst->base = new TypeData( TypeData::AggregateInst );
427 dst->base->aggInst->aggregate = src;
428 if ( src->kind == TypeData::Aggregate ) {
429 dst->base->aggInst->params = maybeClone( src->aggregate->actuals );
[68cd1ce]430 } // if
[b87a5ed]431 dst->base->qualifiers.splice( dst->base->qualifiers.end(), src->qualifiers );
432 src = 0;
433 break;
434 default:
435 if ( dst->forall ) {
436 dst->forall->appendList( src->forall );
437 } else {
438 dst->forall = src->forall;
[68cd1ce]439 } // if
[b87a5ed]440 src->forall = 0;
441 dst->base = src;
442 src = 0;
[68cd1ce]443 } // switch
444 } // switch
445 } // if
446 } // if
[3848e0e]447}
448
449DeclarationNode *DeclarationNode::addType( DeclarationNode *o ) {
[b87a5ed]450 if ( o ) {
451 storageClasses.splice( storageClasses.end(), o->storageClasses );
452 if ( o->type ) {
453 if ( ! type ) {
454 if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) {
455 type = new TypeData( TypeData::AggregateInst );
456 type->aggInst->aggregate = o->type;
457 if ( o->type->kind == TypeData::Aggregate ) {
458 type->aggInst->params = maybeClone( o->type->aggregate->actuals );
[68cd1ce]459 } // if
[b87a5ed]460 type->qualifiers.splice( type->qualifiers.end(), o->type->qualifiers );
461 } else {
462 type = o->type;
[68cd1ce]463 } // if
[b87a5ed]464 o->type = 0;
465 } else {
466 addTypeToType( o->type, type );
[68cd1ce]467 } // if
468 } // if
[b87a5ed]469 if ( o->bitfieldWidth ) {
470 bitfieldWidth = o->bitfieldWidth;
[68cd1ce]471 } // if
[71bd8c6]472
473 // there may be typedefs chained onto the type
474 if ( o->get_link() ) {
475 set_link( o->get_link()->clone() );
[1db21619]476 } // if
[68cd1ce]477 } // if
[b87a5ed]478 delete o;
479 return this;
[3848e0e]480}
481
482DeclarationNode *DeclarationNode::addTypedef() {
[b87a5ed]483 TypeData *newtype = new TypeData( TypeData::Symbolic );
484 newtype->symbolic->params = 0;
485 newtype->symbolic->isTypedef = true;
486 newtype->symbolic->name = name;
487 newtype->base = type;
488 type = newtype;
489 return this;
[3848e0e]490}
491
[59db689]492DeclarationNode *DeclarationNode::addAssertions( DeclarationNode *assertions ) {
[b87a5ed]493 assert( type );
494 switch ( type->kind ) {
495 case TypeData::Symbolic:
496 if ( type->symbolic->assertions ) {
497 type->symbolic->assertions->appendList( assertions );
498 } else {
499 type->symbolic->assertions = assertions;
[68cd1ce]500 } // if
[b87a5ed]501 break;
502 case TypeData::Variable:
503 if ( type->variable->assertions ) {
504 type->variable->assertions->appendList( assertions );
505 } else {
506 type->variable->assertions = assertions;
[68cd1ce]507 } // if
[b87a5ed]508 break;
509 default:
510 assert( false );
[68cd1ce]511 } // switch
[974906e2]512
[b87a5ed]513 return this;
[51b73452]514}
515
[59db689]516DeclarationNode *DeclarationNode::addName( std::string *newname ) {
[b87a5ed]517 name = assign_strptr( newname );
518 return this;
[51b73452]519}
520
[3848e0e]521DeclarationNode *DeclarationNode::addBitfield( ExpressionNode *size ) {
[b87a5ed]522 bitfieldWidth = size;
523 return this;
[51b73452]524}
525
[3848e0e]526DeclarationNode *DeclarationNode::addVarArgs() {
[b87a5ed]527 assert( type );
528 hasEllipsis = true;
529 return this;
[51b73452]530}
531
[3848e0e]532DeclarationNode *DeclarationNode::addFunctionBody( StatementNode *body ) {
[b87a5ed]533 assert( type );
534 assert( type->kind == TypeData::Function );
535 assert( type->function->body == 0 );
536 type->function->body = body;
537 type->function->hasBody = true;
538 return this;
[51b73452]539}
540
[3848e0e]541DeclarationNode *DeclarationNode::addOldDeclList( DeclarationNode *list ) {
[b87a5ed]542 assert( type );
543 assert( type->kind == TypeData::Function );
544 assert( type->function->oldDeclList == 0 );
545 type->function->oldDeclList = list;
546 return this;
[51b73452]547}
548
[68cd1ce]549static void setBase( TypeData *&type, TypeData *newType ) {
[b87a5ed]550 if ( type ) {
551 TypeData *prevBase = type;
552 TypeData *curBase = type->base;
[a32b204]553 while ( curBase != 0 ) {
[b87a5ed]554 prevBase = curBase;
555 curBase = curBase->base;
[68cd1ce]556 } // while
[b87a5ed]557 prevBase->base = newType;
558 } else {
559 type = newType;
[68cd1ce]560 } // if
[3848e0e]561}
562
563DeclarationNode *DeclarationNode::addPointer( DeclarationNode *p ) {
[b87a5ed]564 if ( p ) {
565 assert( p->type->kind == TypeData::Pointer );
566 setBase( type, p->type );
567 p->type = 0;
568 delete p;
[68cd1ce]569 } // if
[b87a5ed]570 return this;
[3848e0e]571}
572
573DeclarationNode *DeclarationNode::addArray( DeclarationNode *a ) {
[b87a5ed]574 if ( a ) {
575 assert( a->type->kind == TypeData::Array );
576 setBase( type, a->type );
577 a->type = 0;
578 delete a;
[68cd1ce]579 } // if
[b87a5ed]580 return this;
[51b73452]581}
582
[3848e0e]583DeclarationNode *DeclarationNode::addNewPointer( DeclarationNode *p ) {
[b87a5ed]584 if ( p ) {
585 assert( p->type->kind == TypeData::Pointer );
586 if ( type ) {
587 switch ( type->kind ) {
588 case TypeData::Aggregate:
589 case TypeData::Enum:
590 p->type->base = new TypeData( TypeData::AggregateInst );
591 p->type->base->aggInst->aggregate = type;
592 if ( type->kind == TypeData::Aggregate ) {
593 p->type->base->aggInst->params = maybeClone( type->aggregate->actuals );
[68cd1ce]594 } // if
[b87a5ed]595 p->type->base->qualifiers.splice( p->type->base->qualifiers.end(), type->qualifiers );
596 break;
597
598 default:
599 p->type->base = type;
[68cd1ce]600 } // switch
[b87a5ed]601 type = 0;
[68cd1ce]602 } // if
[b87a5ed]603 delete this;
604 return p;
605 } else {
606 return this;
[68cd1ce]607 } // if
[51b73452]608}
609
[3848e0e]610static TypeData *findLast( TypeData *a ) {
[b87a5ed]611 assert( a );
612 TypeData *cur = a;
[a32b204]613 while ( cur->base ) {
[b87a5ed]614 cur = cur->base;
[68cd1ce]615 } // while
[b87a5ed]616 return cur;
[3848e0e]617}
618
619DeclarationNode *DeclarationNode::addNewArray( DeclarationNode *a ) {
[b87a5ed]620 if ( a ) {
621 assert( a->type->kind == TypeData::Array );
622 TypeData *lastArray = findLast( a->type );
[974906e2]623 if ( type ) {
[b87a5ed]624 switch ( type->kind ) {
625 case TypeData::Aggregate:
626 case TypeData::Enum:
627 lastArray->base = new TypeData( TypeData::AggregateInst );
628 lastArray->base->aggInst->aggregate = type;
629 if ( type->kind == TypeData::Aggregate ) {
630 lastArray->base->aggInst->params = maybeClone( type->aggregate->actuals );
[68cd1ce]631 } // if
[b87a5ed]632 lastArray->base->qualifiers.splice( lastArray->base->qualifiers.end(), type->qualifiers );
633 break;
634 default:
635 lastArray->base = type;
[68cd1ce]636 } // switch
[b87a5ed]637 type = 0;
[68cd1ce]638 } // if
[b87a5ed]639 delete this;
640 return a;
641 } else {
642 return this;
[68cd1ce]643 } // if
[51b73452]644}
[3848e0e]645
646DeclarationNode *DeclarationNode::addParamList( DeclarationNode *params ) {
[b87a5ed]647 TypeData *ftype = new TypeData( TypeData::Function );
648 ftype->function->params = params;
649 setBase( type, ftype );
650 return this;
[3848e0e]651}
652
653static TypeData *addIdListToType( TypeData *type, DeclarationNode *ids ) {
[b87a5ed]654 if ( type ) {
655 if ( type->kind != TypeData::Function ) {
656 type->base = addIdListToType( type->base, ids );
657 } else {
658 type->function->idList = ids;
[68cd1ce]659 } // if
[b87a5ed]660 return type;
[3848e0e]661 } else {
[b87a5ed]662 TypeData *newtype = new TypeData( TypeData::Function );
663 newtype->function->idList = ids;
664 return newtype;
[68cd1ce]665 } // if
[3848e0e]666}
[974906e2]667
[3848e0e]668DeclarationNode *DeclarationNode::addIdList( DeclarationNode *ids ) {
[b87a5ed]669 type = addIdListToType( type, ids );
670 return this;
[3848e0e]671}
672
673DeclarationNode *DeclarationNode::addInitializer( InitializerNode *init ) {
[b87a5ed]674 //assert
675 initializer = init;
676 return this;
[3848e0e]677}
678
679DeclarationNode *DeclarationNode::cloneBaseType( string *newName ) {
[b87a5ed]680 DeclarationNode *newnode = new DeclarationNode;
681 TypeData *srcType = type;
[a32b204]682 while ( srcType->base ) {
[b87a5ed]683 srcType = srcType->base;
[68cd1ce]684 } // while
[b87a5ed]685 newnode->type = maybeClone( srcType );
686 if ( newnode->type->kind == TypeData::AggregateInst ) {
687 // don't duplicate members
688 if ( newnode->type->aggInst->aggregate->kind == TypeData::Enum ) {
689 delete newnode->type->aggInst->aggregate->enumeration->constants;
690 newnode->type->aggInst->aggregate->enumeration->constants = 0;
691 } else {
692 assert( newnode->type->aggInst->aggregate->kind == TypeData::Aggregate );
[721f17a]693 delete newnode->type->aggInst->aggregate->aggregate->fields;
694 newnode->type->aggInst->aggregate->aggregate->fields = 0;
[68cd1ce]695 } // if
696 } // if
[b87a5ed]697 newnode->type->forall = maybeClone( type->forall );
698 newnode->storageClasses = storageClasses;
699 newnode->name = assign_strptr( newName );
700 return newnode;
[3848e0e]701}
702
703DeclarationNode *DeclarationNode::cloneBaseType( DeclarationNode *o ) {
[b87a5ed]704 if ( o ) {
705 o->storageClasses.insert( o->storageClasses.end(), storageClasses.begin(), storageClasses.end() );
706 if ( type ) {
707 TypeData *srcType = type;
[a32b204]708 while ( srcType->base ) {
[b87a5ed]709 srcType = srcType->base;
[68cd1ce]710 } // while
[b87a5ed]711 TypeData *newType = srcType->clone();
712 if ( newType->kind == TypeData::AggregateInst ) {
713 // don't duplicate members
714 if ( newType->aggInst->aggregate->kind == TypeData::Enum ) {
715 delete newType->aggInst->aggregate->enumeration->constants;
716 newType->aggInst->aggregate->enumeration->constants = 0;
717 } else {
718 assert( newType->aggInst->aggregate->kind == TypeData::Aggregate );
[721f17a]719 delete newType->aggInst->aggregate->aggregate->fields;
720 newType->aggInst->aggregate->aggregate->fields = 0;
[68cd1ce]721 } // if
722 } // if
[b87a5ed]723 newType->forall = maybeClone( type->forall );
724 if ( ! o->type ) {
725 o->type = newType;
726 } else {
727 addTypeToType( newType, o->type );
728 delete newType;
[68cd1ce]729 } // if
730 } // if
731 } // if
[b87a5ed]732 return o;
[3848e0e]733}
734
735DeclarationNode *DeclarationNode::cloneType( string *newName ) {
[b87a5ed]736 DeclarationNode *newnode = new DeclarationNode;
737 newnode->type = maybeClone( type );
738 newnode->storageClasses = storageClasses;
739 newnode->name = assign_strptr( newName );
740 return newnode;
[3848e0e]741}
742
743DeclarationNode *DeclarationNode::cloneType( DeclarationNode *o ) {
[b87a5ed]744 if ( o ) {
745 o->storageClasses.insert( o->storageClasses.end(), storageClasses.begin(), storageClasses.end() );
746 if ( type ) {
747 TypeData *newType = type->clone();
748 if ( ! o->type ) {
749 o->type = newType;
750 } else {
751 addTypeToType( newType, o->type );
752 delete newType;
[68cd1ce]753 } // if
754 } // if
755 } // if
[b87a5ed]756 return o;
[51b73452]757}
758
[3848e0e]759DeclarationNode *DeclarationNode::appendList( DeclarationNode *node ) {
[b87a5ed]760 if ( node != 0 ) {
761 set_link( node );
[68cd1ce]762 } // if
[b87a5ed]763 return this;
[51b73452]764}
765
[3848e0e]766DeclarationNode *DeclarationNode::extractAggregate() const {
[b87a5ed]767 if ( type ) {
768 TypeData *ret = type->extractAggregate();
769 if ( ret ) {
770 DeclarationNode *newnode = new DeclarationNode;
771 newnode->type = ret;
772 return newnode;
[843054c2]773 } // if
774 } // if
775 return 0;
[3848e0e]776}
777
[a61fea9a]778void buildList( const DeclarationNode *firstNode, std::list< Declaration * > &outputList ) {
[b87a5ed]779 SemanticError errors;
[59db689]780 std::back_insert_iterator< std::list< Declaration *> > out( outputList );
[b87a5ed]781 const DeclarationNode *cur = firstNode;
[a32b204]782 while ( cur ) {
[b87a5ed]783 try {
784 if ( DeclarationNode *extr = cur->extractAggregate() ) {
785 // handle the case where a structure declaration is contained within an object or type declaration
786 Declaration *decl = extr->build();
787 if ( decl ) {
788 *out++ = decl;
[843054c2]789 } // if
790 } // if
[b87a5ed]791 Declaration *decl = cur->build();
792 if ( decl ) {
793 *out++ = decl;
[843054c2]794 } // if
[b87a5ed]795 } catch( SemanticError &e ) {
796 errors.append( e );
[843054c2]797 } // try
[59db689]798 cur = dynamic_cast< DeclarationNode *>( cur->get_link() );
[843054c2]799 } // while
[b87a5ed]800 if ( ! errors.isEmpty() ) {
801 throw errors;
[843054c2]802 } // if
[3848e0e]803}
804
[59db689]805void buildList( const DeclarationNode *firstNode, std::list< DeclarationWithType *> &outputList ) {
[b87a5ed]806 SemanticError errors;
[59db689]807 std::back_insert_iterator< std::list< DeclarationWithType *> > out( outputList );
[b87a5ed]808 const DeclarationNode *cur = firstNode;
[a32b204]809 while ( cur ) {
[b87a5ed]810 try {
[3848e0e]811/// if ( DeclarationNode *extr = cur->extractAggregate() ) {
[51b73452]812/// // handle the case where a structure declaration is contained within an object or type
813/// // declaration
814/// Declaration *decl = extr->build();
[3848e0e]815/// if ( decl ) {
816/// *out++ = decl;
[51b73452]817/// }
818/// }
[b87a5ed]819 Declaration *decl = cur->build();
820 if ( decl ) {
[59db689]821 if ( DeclarationWithType *dwt = dynamic_cast< DeclarationWithType *>( decl ) ) {
[b87a5ed]822 *out++ = dwt;
[59db689]823 } else if ( StructDecl *agg = dynamic_cast< StructDecl *>( decl ) ) {
[b87a5ed]824 StructInstType *inst = new StructInstType( Type::Qualifiers(), agg->get_name() );
[68cd1ce]825 *out++ = new ObjectDecl( "", DeclarationNode::NoStorageClass, linkage, 0, inst, 0 );
[b87a5ed]826 delete agg;
[59db689]827 } else if ( UnionDecl *agg = dynamic_cast< UnionDecl *>( decl ) ) {
[b87a5ed]828 UnionInstType *inst = new UnionInstType( Type::Qualifiers(), agg->get_name() );
[68cd1ce]829 *out++ = new ObjectDecl( "", DeclarationNode::NoStorageClass, linkage, 0, inst, 0 );
[843054c2]830 } // if
831 } // if
[b87a5ed]832 } catch( SemanticError &e ) {
833 errors.append( e );
[843054c2]834 } // try
[59db689]835 cur = dynamic_cast< DeclarationNode *>( cur->get_link() );
[843054c2]836 } // while
[b87a5ed]837 if ( ! errors.isEmpty() ) {
838 throw errors;
[843054c2]839 } // if
[3848e0e]840}
841
[59db689]842void buildTypeList( const DeclarationNode *firstNode, std::list< Type *> &outputList ) {
[b87a5ed]843 SemanticError errors;
[59db689]844 std::back_insert_iterator< std::list< Type *> > out( outputList );
[b87a5ed]845 const DeclarationNode *cur = firstNode;
[a32b204]846 while ( cur ) {
[b87a5ed]847 try {
848 *out++ = cur->buildType();
849 } catch( SemanticError &e ) {
850 errors.append( e );
[843054c2]851 } // try
[59db689]852 cur = dynamic_cast< DeclarationNode *>( cur->get_link() );
[843054c2]853 } // while
[b87a5ed]854 if ( ! errors.isEmpty() ) {
855 throw errors;
[843054c2]856 } // if
[51b73452]857}
858
[3848e0e]859Declaration *DeclarationNode::build() const {
[843054c2]860 if ( type ) {
[de62360d]861 Declaration *newDecl = type->buildDecl( name, buildStorageClass(), maybeBuild< Expression >( bitfieldWidth ), buildFuncSpecifier( Inline ), buildFuncSpecifier( Noreturn ), linkage, maybeBuild< Initializer >(initializer) );
[b87a5ed]862 return newDecl;
[843054c2]863 } // if
[de62360d]864 if ( ! buildFuncSpecifier( Inline ) && ! buildFuncSpecifier( Noreturn ) ) {
[843054c2]865 return new ObjectDecl( name, buildStorageClass(), linkage, maybeBuild< Expression >( bitfieldWidth ), 0, maybeBuild< Initializer >( initializer ) );
866 } // if
[de62360d]867 throw SemanticError( "invalid function specifier in declaration of ", this );
[51b73452]868}
869
[3848e0e]870Type *DeclarationNode::buildType() const {
[b87a5ed]871 assert( type );
[974906e2]872
[b87a5ed]873 switch ( type->kind ) {
874 case TypeData::Enum:
875 return new EnumInstType( type->buildQualifiers(), type->enumeration->name );
876 case TypeData::Aggregate: {
877 ReferenceToType *ret;
878 switch ( type->aggregate->kind ) {
879 case DeclarationNode::Struct:
880 ret = new StructInstType( type->buildQualifiers(), type->aggregate->name );
881 break;
882 case DeclarationNode::Union:
883 ret = new UnionInstType( type->buildQualifiers(), type->aggregate->name );
884 break;
885 case DeclarationNode::Context:
886 ret = new ContextInstType( type->buildQualifiers(), type->aggregate->name );
887 break;
888 default:
889 assert( false );
890 } // switch
891 buildList( type->aggregate->actuals, ret->get_parameters() );
892 return ret;
893 }
894 case TypeData::Symbolic: {
895 TypeInstType *ret = new TypeInstType( type->buildQualifiers(), type->symbolic->name, false );
896 buildList( type->symbolic->actuals, ret->get_parameters() );
897 return ret;
898 }
899 default:
900 return type->build();
901 } // switch
[3848e0e]902}
903
[68cd1ce]904DeclarationNode::StorageClass DeclarationNode::buildStorageClass() const {
905 DeclarationNode::StorageClass ret = DeclarationNode::NoStorageClass;
906 for ( std::list< DeclarationNode::StorageClass >::const_iterator i = storageClasses.begin(); i != storageClasses.end(); ++i ) {
907 if ( *i == DeclarationNode::Inline || *i == DeclarationNode::Noreturn ) continue; // ignore function specifiers
908 if ( ret != DeclarationNode::NoStorageClass ) { // already have a valid storage class ?
[b87a5ed]909 throw SemanticError( "invalid combination of storage classes in declaration of ", this );
[68cd1ce]910 } // if
911 ret = *i;
912 } // for
[b87a5ed]913 return ret;
[51b73452]914}
915
[de62360d]916bool DeclarationNode::buildFuncSpecifier( DeclarationNode::StorageClass key ) const {
917 std::list< DeclarationNode::StorageClass >::const_iterator first = std::find( storageClasses.begin(), storageClasses.end(), key );
918 if ( first == storageClasses.end() ) return false; // not found
919 first = std::find( ++first, storageClasses.end(), key ); // found
920 if ( first == storageClasses.end() ) return true; // not found again
921 throw SemanticError( "duplicate function specifier in declaration of ", this );
[51b73452]922}
[b87a5ed]923
924// Local Variables: //
925// tab-width: 4 //
926// mode: c++ //
927// compile-command: "make install" //
928// End: //
Note: See TracBrowser for help on using the repository browser.