source: src/Parser/DeclarationNode.cc@ 056bee8

ADT ast-experimental
Last change on this file since 056bee8 was 0d0931d, checked in by Andrew Beach <ajbeach@…>, 3 years ago

Removing some indent changes in parser. These can go in later, but hopefully this will avoid conflicts with the translation.
  • Property mode set to 100644
File size: 43.6 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
[0d0931d]11// Last Modified By : Andrew Beach
12// Last Modified On : Tue Mar 14 11:56:00 2023
13// Update Count : 1406
[b87a5ed]14//
15
[e3e16bc]16#include <cassert> // for assert, assertf, strict_dynamic_cast
[d180746]17#include <iterator> // for back_insert_iterator
18#include <list> // for list
19#include <memory> // for unique_ptr
20#include <ostream> // for operator<<, ostream, basic_ostream
21#include <string> // for string, operator+, allocator, char...
[51b73452]22
[d180746]23#include "Common/SemanticError.h" // for SemanticError
24#include "Common/UniqueName.h" // for UniqueName
25#include "Common/utility.h" // for maybeClone, maybeBuild, CodeLocation
26#include "Parser/ParseNode.h" // for DeclarationNode, ExpressionNode
[07de76b]27#include "SynTree/LinkageSpec.h" // for Spec, linkageName, Cforall
[d180746]28#include "SynTree/Attribute.h" // for Attribute
[71806e0]29#include "SynTree/Declaration.h" // for TypeDecl, ObjectDecl, InlineMemberDecl, Declaration
[d180746]30#include "SynTree/Expression.h" // for Expression, ConstantExpr
31#include "SynTree/Statement.h" // for AsmStmt
32#include "SynTree/Type.h" // for Type, Type::StorageClasses, Type::...
33#include "TypeData.h" // for TypeData, TypeData::Aggregate_t
[2f0a0678]34#include "TypedefTable.h" // for TypedefTable
[bdd516a]35
[d180746]36class Initializer;
[51b73452]37
[de62360d]38extern TypedefTable typedefTable;
39
[51b73452]40using namespace std;
41
[201aeb9]42// These must harmonize with the corresponding DeclarationNode enumerations.
[702e826]43const char * DeclarationNode::basicTypeNames[] = {
44 "void", "_Bool", "char", "int", "int128",
45 "float", "double", "long double", "float80", "float128",
46 "_float16", "_float32", "_float32x", "_float64", "_float64x", "_float128", "_float128x", "NoBasicTypeNames"
47};
48const char * DeclarationNode::complexTypeNames[] = {
49 "_Complex", "NoComplexTypeNames", "_Imaginary"
50}; // Imaginary unsupported => parse, but make invisible and print error message
51const char * DeclarationNode::signednessNames[] = {
52 "signed", "unsigned", "NoSignednessNames"
53};
54const char * DeclarationNode::lengthNames[] = {
55 "short", "long", "long long", "NoLengthNames"
56};
57const char * DeclarationNode::builtinTypeNames[] = {
58 "__builtin_va_list", "__auto_type", "zero_t", "one_t", "NoBuiltinTypeNames"
59};
[51b73452]60
61UniqueName DeclarationNode::anonymous( "__anonymous" );
62
[8b7ee09]63extern LinkageSpec::Spec linkage; // defined in parser.yy
[51b73452]64
[7d05e7e]65DeclarationNode::DeclarationNode() :
[e07caa2]66 linkage( ::linkage ) {
[2298f728]67
[faddbd8]68// variable.name = nullptr;
[07de76b]69 variable.tyClass = TypeDecl::NUMBER_OF_KINDS;
[28307be]70 variable.assertions = nullptr;
[67cf18c]71 variable.initializer = nullptr;
[7d05e7e]72
[f6e3e34]73 assert.condition = nullptr;
74 assert.message = nullptr;
[28307be]75}
76
77DeclarationNode::~DeclarationNode() {
[faddbd8]78// delete variable.name;
[2298f728]79 delete variable.assertions;
[67cf18c]80 delete variable.initializer;
[2298f728]81
[702e826]82// delete type;
[28307be]83 delete bitfieldWidth;
[e994912]84
85 delete asmStmt;
[58dd019]86 // asmName, no delete, passed to next stage
[28307be]87 delete initializer;
[f6e3e34]88
89 delete assert.condition;
90 delete assert.message;
[28307be]91}
92
[ba7aa2d]93DeclarationNode * DeclarationNode::clone() const {
94 DeclarationNode * newnode = new DeclarationNode;
[c0aa336]95 newnode->set_next( maybeClone( get_next() ) );
[2298f728]96 newnode->name = name ? new string( *name ) : nullptr;
[c0aa336]97
[2e5fa345]98 newnode->builtin = NoBuiltinType;
[c0aa336]99 newnode->type = maybeClone( type );
[679e644]100 newnode->inLine = inLine;
[a7c90d4]101 newnode->storageClasses = storageClasses;
102 newnode->funcSpecs = funcSpecs;
[08d5507b]103 newnode->bitfieldWidth = maybeClone( bitfieldWidth );
[c0aa336]104 newnode->enumeratorValue.reset( maybeClone( enumeratorValue.get() ) );
[b87a5ed]105 newnode->hasEllipsis = hasEllipsis;
106 newnode->linkage = linkage;
[58dd019]107 newnode->asmName = maybeClone( asmName );
[c0aa336]108 cloneAll( attributes, newnode->attributes );
109 newnode->initializer = maybeClone( initializer );
110 newnode->extension = extension;
[e994912]111 newnode->asmStmt = maybeClone( asmStmt );
[c0aa336]112 newnode->error = error;
[3848e0e]113
[faddbd8]114// newnode->variable.name = variable.name ? new string( *variable.name ) : nullptr;
[28307be]115 newnode->variable.tyClass = variable.tyClass;
[fb114fa1]116 newnode->variable.assertions = maybeClone( variable.assertions );
[67cf18c]117 newnode->variable.initializer = maybeClone( variable.initializer );
[3848e0e]118
[f6e3e34]119 newnode->assert.condition = maybeClone( assert.condition );
120 newnode->assert.message = maybeClone( assert.message );
[28307be]121 return newnode;
122} // DeclarationNode::clone
[3848e0e]123
[f2f512ba]124void DeclarationNode::print( std::ostream & os, int indent ) const {
[59db689]125 os << string( indent, ' ' );
[2298f728]126 if ( name ) {
127 os << *name << ": ";
[68cd1ce]128 } // if
[51b73452]129
[b87a5ed]130 if ( linkage != LinkageSpec::Cforall ) {
[d912bed]131 os << LinkageSpec::name( linkage ) << " ";
[68cd1ce]132 } // if
[3848e0e]133
[6e8bd43]134 storageClasses.print( os );
135 funcSpecs.print( os );
[dd020c0]136
[b87a5ed]137 if ( type ) {
138 type->print( os, indent );
139 } else {
140 os << "untyped entity ";
[68cd1ce]141 } // if
[3848e0e]142
[b87a5ed]143 if ( bitfieldWidth ) {
[59db689]144 os << endl << string( indent + 2, ' ' ) << "with bitfield width ";
[b87a5ed]145 bitfieldWidth->printOneLine( os );
[68cd1ce]146 } // if
[3848e0e]147
[2298f728]148 if ( initializer ) {
[59db689]149 os << endl << string( indent + 2, ' ' ) << "with initializer ";
[b87a5ed]150 initializer->printOneLine( os );
[974906e2]151 os << " maybe constructed? " << initializer->get_maybeConstructed();
[68cd1ce]152 } // if
[3848e0e]153
[692c1cc]154 if ( ! attributes.empty() ) {
155 os << string( indent + 2, ' ' ) << "with attributes " << endl;
156 for ( Attribute * attr: reverseIterate( attributes ) ) {
157 os << string( indent + 4, ' ' ) << attr->name.c_str() << endl;
158 } // for
159 } // if
[66406f3]160
[b87a5ed]161 os << endl;
[51b73452]162}
163
[f2f512ba]164void DeclarationNode::printList( std::ostream & os, int indent ) const {
[b87a5ed]165 ParseNode::printList( os, indent );
166 if ( hasEllipsis ) {
167 os << string( indent, ' ' ) << "and a variable number of other arguments" << endl;
[68cd1ce]168 } // if
[51b73452]169}
170
[68fe077a]171DeclarationNode * DeclarationNode::newStorageClass( Type::StorageClasses sc ) {
[ba7aa2d]172 DeclarationNode * newnode = new DeclarationNode;
[08d5507b]173 newnode->storageClasses = sc;
[b87a5ed]174 return newnode;
[dd020c0]175} // DeclarationNode::newStorageClass
[3848e0e]176
[ddfd945]177DeclarationNode * DeclarationNode::newFuncSpecifier( Type::FuncSpecifiers fs ) {
[ba7aa2d]178 DeclarationNode * newnode = new DeclarationNode;
[08d5507b]179 newnode->funcSpecs = fs;
[c1c1112]180 return newnode;
[dd020c0]181} // DeclarationNode::newFuncSpecifier
[c1c1112]182
[738e304]183DeclarationNode * DeclarationNode::newTypeQualifier( Type::Qualifiers tq ) {
[ba7aa2d]184 DeclarationNode * newnode = new DeclarationNode;
[dd020c0]185 newnode->type = new TypeData();
[738e304]186 newnode->type->qualifiers = tq;
[b87a5ed]187 return newnode;
[dd020c0]188} // DeclarationNode::newQualifier
[3848e0e]189
[c1c1112]190DeclarationNode * DeclarationNode::newBasicType( BasicType bt ) {
[ba7aa2d]191 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]192 newnode->type = new TypeData( TypeData::Basic );
[5b639ee]193 newnode->type->basictype = bt;
[b87a5ed]194 return newnode;
[984dce6]195} // DeclarationNode::newBasicType
[3848e0e]196
[5b639ee]197DeclarationNode * DeclarationNode::newComplexType( ComplexType ct ) {
[ba7aa2d]198 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]199 newnode->type = new TypeData( TypeData::Basic );
[5b639ee]200 newnode->type->complextype = ct;
[b87a5ed]201 return newnode;
[5b639ee]202} // DeclarationNode::newComplexType
203
204DeclarationNode * DeclarationNode::newSignedNess( Signedness sn ) {
[ba7aa2d]205 DeclarationNode * newnode = new DeclarationNode;
[5b639ee]206 newnode->type = new TypeData( TypeData::Basic );
207 newnode->type->signedness = sn;
208 return newnode;
209} // DeclarationNode::newSignedNess
210
211DeclarationNode * DeclarationNode::newLength( Length lnth ) {
[ba7aa2d]212 DeclarationNode * newnode = new DeclarationNode;
[5b639ee]213 newnode->type = new TypeData( TypeData::Basic );
214 newnode->type->length = lnth;
215 return newnode;
216} // DeclarationNode::newLength
[3848e0e]217
[dd020c0]218DeclarationNode * DeclarationNode::newForall( DeclarationNode * forall ) {
219 DeclarationNode * newnode = new DeclarationNode;
220 newnode->type = new TypeData( TypeData::Unknown );
221 newnode->type->forall = forall;
222 return newnode;
223} // DeclarationNode::newForall
224
[47498bd]225DeclarationNode * DeclarationNode::newFromGlobalScope() {
226 DeclarationNode * newnode = new DeclarationNode;
227 newnode->type = new TypeData( TypeData::GlobalScope );
228 return newnode;
229}
230
[c5d7701]231DeclarationNode * DeclarationNode::newQualifiedType( DeclarationNode * parent, DeclarationNode * child) {
[c194661]232 DeclarationNode * newnode = new DeclarationNode;
233 newnode->type = new TypeData( TypeData::Qualified );
234 newnode->type->qualified.parent = parent->type;
235 newnode->type->qualified.child = child->type;
236 parent->type = nullptr;
237 child->type = nullptr;
238 delete parent;
239 delete child;
240 return newnode;
[c5d7701]241}
242
[312029a]243DeclarationNode * DeclarationNode::newAggregate( AggregateDecl::Aggregate kind, const string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body ) {
[ba7aa2d]244 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]245 newnode->type = new TypeData( TypeData::Aggregate );
[8f6f47d7]246 newnode->type->aggregate.kind = kind;
[692c1cc]247 newnode->type->aggregate.anon = name == nullptr;
248 newnode->type->aggregate.name = newnode->type->aggregate.anon ? new string( DeclarationNode::anonymous.newName() ) : name;
[8f6f47d7]249 newnode->type->aggregate.actuals = actuals;
250 newnode->type->aggregate.fields = fields;
251 newnode->type->aggregate.body = body;
[6ea87486]252 newnode->type->aggregate.tagged = false;
253 newnode->type->aggregate.parent = nullptr;
[b87a5ed]254 return newnode;
[984dce6]255} // DeclarationNode::newAggregate
[3848e0e]256
[e4d7c1c]257DeclarationNode * DeclarationNode::newEnum( const string * name, DeclarationNode * constants, bool body, bool typed, DeclarationNode * base, EnumHiding hiding ) {
[ba7aa2d]258 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]259 newnode->type = new TypeData( TypeData::Enum );
[692c1cc]260 newnode->type->enumeration.anon = name == nullptr;
261 newnode->type->enumeration.name = newnode->type->enumeration.anon ? new string( DeclarationNode::anonymous.newName() ) : name;
[8f6f47d7]262 newnode->type->enumeration.constants = constants;
[ca1a547]263 newnode->type->enumeration.body = body;
[b0d9ff7]264 newnode->type->enumeration.typed = typed;
[e4d7c1c]265 newnode->type->enumeration.hiding = hiding;
[78e2fca]266 if ( base && base->type ) {
[ed9a1ae]267 newnode->type->base = base->type;
[9e7236f4]268 } // if
269
[b87a5ed]270 return newnode;
[984dce6]271} // DeclarationNode::newEnum
[3848e0e]272
[a77713b]273
274
[a46b69c]275DeclarationNode * DeclarationNode::newName( const string * name ) {
[ba7aa2d]276 DeclarationNode * newnode = new DeclarationNode;
[a46b69c]277 assert( ! newnode->name );
[2298f728]278 newnode->name = name;
[a46b69c]279 return newnode;
280} // DeclarationNode::newName
281
[374cb117]282DeclarationNode * DeclarationNode::newEnumConstant( const string * name, ExpressionNode * constant ) {
[a46b69c]283 DeclarationNode * newnode = newName( name );
[4f147cc]284 newnode->enumeratorValue.reset( constant );
[b87a5ed]285 return newnode;
[984dce6]286} // DeclarationNode::newEnumConstant
[3848e0e]287
[374cb117]288DeclarationNode * DeclarationNode::newEnumValueGeneric( const string * name, InitializerNode * init ) {
[b0d9ff7]289 if ( init ) {
290 if ( init->get_expression() ) {
[374cb117]291 return newEnumConstant( name, init->get_expression() );
[b0d9ff7]292 } else {
[374cb117]293 DeclarationNode * newnode = newName( name );
294 newnode->initializer = init;
295 return newnode;
296 } // if
297 } else {
[b0d9ff7]298 return newName( name );
[374cb117]299 } // if
[9e7236f4]300} // DeclarationNode::newEnumValueGeneric
[374cb117]301
[1e30df7]302DeclarationNode * DeclarationNode::newEnumInLine( const string name ) {
303 DeclarationNode * newnode = newName( new std::string(name) );
304 newnode->enumInLine = true;
305 return newnode;
306}
307
[a46b69c]308DeclarationNode * DeclarationNode::newFromTypedef( const string * name ) {
[ba7aa2d]309 DeclarationNode * newnode = new DeclarationNode;
[a46b69c]310 newnode->type = new TypeData( TypeData::SymbolicInst );
311 newnode->type->symbolic.name = name;
312 newnode->type->symbolic.isTypedef = true;
313 newnode->type->symbolic.params = nullptr;
[b87a5ed]314 return newnode;
[a46b69c]315} // DeclarationNode::newFromTypedef
[3848e0e]316
[25bca42]317DeclarationNode * DeclarationNode::newFromTypeGen( const string * name, ExpressionNode * params ) {
[ba7aa2d]318 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]319 newnode->type = new TypeData( TypeData::SymbolicInst );
[fb114fa1]320 newnode->type->symbolic.name = name;
[8f6f47d7]321 newnode->type->symbolic.isTypedef = false;
322 newnode->type->symbolic.actuals = params;
[b87a5ed]323 return newnode;
[984dce6]324} // DeclarationNode::newFromTypeGen
[3848e0e]325
[07de76b]326DeclarationNode * DeclarationNode::newTypeParam( TypeDecl::Kind tc, const string * name ) {
[a46b69c]327 DeclarationNode * newnode = newName( name );
[2298f728]328 newnode->type = nullptr;
[28307be]329 newnode->variable.tyClass = tc;
[faddbd8]330 newnode->variable.assertions = nullptr;
[b87a5ed]331 return newnode;
[984dce6]332} // DeclarationNode::newTypeParam
[3848e0e]333
[fb114fa1]334DeclarationNode * DeclarationNode::newTrait( const string * name, DeclarationNode * params, DeclarationNode * asserts ) {
[ba7aa2d]335 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]336 newnode->type = new TypeData( TypeData::Aggregate );
[2298f728]337 newnode->type->aggregate.name = name;
[312029a]338 newnode->type->aggregate.kind = AggregateDecl::Trait;
[8f6f47d7]339 newnode->type->aggregate.params = params;
340 newnode->type->aggregate.fields = asserts;
[b87a5ed]341 return newnode;
[984dce6]342} // DeclarationNode::newTrait
[3848e0e]343
[fb114fa1]344DeclarationNode * DeclarationNode::newTraitUse( const string * name, ExpressionNode * params ) {
[ba7aa2d]345 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]346 newnode->type = new TypeData( TypeData::AggregateInst );
[8f6f47d7]347 newnode->type->aggInst.aggregate = new TypeData( TypeData::Aggregate );
[312029a]348 newnode->type->aggInst.aggregate->aggregate.kind = AggregateDecl::Trait;
[2298f728]349 newnode->type->aggInst.aggregate->aggregate.name = name;
[8f6f47d7]350 newnode->type->aggInst.params = params;
[b87a5ed]351 return newnode;
[984dce6]352} // DeclarationNode::newTraitUse
[3848e0e]353
[25bca42]354DeclarationNode * DeclarationNode::newTypeDecl( const string * name, DeclarationNode * typeParams ) {
[a46b69c]355 DeclarationNode * newnode = newName( name );
[b87a5ed]356 newnode->type = new TypeData( TypeData::Symbolic );
[8f6f47d7]357 newnode->type->symbolic.isTypedef = false;
358 newnode->type->symbolic.params = typeParams;
[b87a5ed]359 return newnode;
[984dce6]360} // DeclarationNode::newTypeDecl
[3848e0e]361
[ce8c12f]362DeclarationNode * DeclarationNode::newPointer( DeclarationNode * qualifiers, OperKinds kind ) {
[ba7aa2d]363 DeclarationNode * newnode = new DeclarationNode;
[ce8c12f]364 newnode->type = new TypeData( kind == OperKinds::PointTo ? TypeData::Pointer : TypeData::Reference );
[71d0eab]365 if ( kind == OperKinds::And ) {
366 // T && is parsed as 'And' operator rather than two references => add a second reference type
367 TypeData * td = new TypeData( TypeData::Reference );
368 td->base = newnode->type;
369 newnode->type = td;
370 }
[c3396e0]371 if ( qualifiers ) {
372 return newnode->addQualifiers( qualifiers );
373 } else {
374 return newnode;
375 } // if
[984dce6]376} // DeclarationNode::newPointer
[3848e0e]377
[ba7aa2d]378DeclarationNode * DeclarationNode::newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic ) {
379 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]380 newnode->type = new TypeData( TypeData::Array );
[8f6f47d7]381 newnode->type->array.dimension = size;
382 newnode->type->array.isStatic = isStatic;
[2298f728]383 if ( newnode->type->array.dimension == nullptr || newnode->type->array.dimension->isExpressionType<ConstantExpr * >() ) {
[8f6f47d7]384 newnode->type->array.isVarLen = false;
[71bd8c6]385 } else {
[8f6f47d7]386 newnode->type->array.isVarLen = true;
[71bd8c6]387 } // if
[b87a5ed]388 return newnode->addQualifiers( qualifiers );
[984dce6]389} // DeclarationNode::newArray
[3848e0e]390
[ba7aa2d]391DeclarationNode * DeclarationNode::newVarArray( DeclarationNode * qualifiers ) {
392 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]393 newnode->type = new TypeData( TypeData::Array );
[2298f728]394 newnode->type->array.dimension = nullptr;
[8f6f47d7]395 newnode->type->array.isStatic = false;
396 newnode->type->array.isVarLen = true;
[b87a5ed]397 return newnode->addQualifiers( qualifiers );
[3848e0e]398}
399
[ba7aa2d]400DeclarationNode * DeclarationNode::newBitfield( ExpressionNode * size ) {
401 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]402 newnode->bitfieldWidth = size;
403 return newnode;
[3848e0e]404}
405
[ba7aa2d]406DeclarationNode * DeclarationNode::newTuple( DeclarationNode * members ) {
407 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]408 newnode->type = new TypeData( TypeData::Tuple );
[8f6f47d7]409 newnode->type->tuple = members;
[b87a5ed]410 return newnode;
[3848e0e]411}
412
[f855545]413DeclarationNode * DeclarationNode::newTypeof( ExpressionNode * expr, bool basetypeof ) {
[ba7aa2d]414 DeclarationNode * newnode = new DeclarationNode;
[f855545]415 newnode->type = new TypeData( basetypeof ? TypeData::Basetypeof : TypeData::Typeof );
[8f6f47d7]416 newnode->type->typeexpr = expr;
[b87a5ed]417 return newnode;
[3848e0e]418}
419
[93bbbc4]420DeclarationNode * DeclarationNode::newVtableType( DeclarationNode * decl ) {
421 DeclarationNode * newnode = new DeclarationNode;
422 newnode->type = new TypeData( TypeData::Vtable );
423 newnode->setBase( decl->type );
424 return newnode;
425}
426
[8f6f47d7]427DeclarationNode * DeclarationNode::newBuiltinType( BuiltinType bt ) {
[ba7aa2d]428 DeclarationNode * newnode = new DeclarationNode;
[8f6f47d7]429 newnode->type = new TypeData( TypeData::Builtin );
430 newnode->builtin = bt;
[148f7290]431 newnode->type->builtintype = newnode->builtin;
[8f6f47d7]432 return newnode;
433} // DeclarationNode::newBuiltinType
434
[a46b69c]435DeclarationNode * DeclarationNode::newFunction( const string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body ) {
436 DeclarationNode * newnode = newName( name );
437 newnode->type = new TypeData( TypeData::Function );
438 newnode->type->function.params = param;
439 newnode->type->function.body = body;
440
441 if ( ret ) {
442 newnode->type->base = ret->type;
443 ret->type = nullptr;
444 delete ret;
445 } // if
446
447 return newnode;
448} // DeclarationNode::newFunction
449
[25bca42]450DeclarationNode * DeclarationNode::newAttribute( const string * name, ExpressionNode * expr ) {
[44a81853]451 DeclarationNode * newnode = new DeclarationNode;
452 newnode->type = nullptr;
453 std::list< Expression * > exprs;
454 buildList( expr, exprs );
455 newnode->attributes.push_back( new Attribute( *name, exprs ) );
456 delete name;
457 return newnode;
458}
459
[2d019af]460DeclarationNode * DeclarationNode::newDirectiveStmt( StatementNode * stmt ) {
461 DeclarationNode * newnode = new DeclarationNode;
462 newnode->directiveStmt = stmt;
463 return newnode;
464}
465
[e994912]466DeclarationNode * DeclarationNode::newAsmStmt( StatementNode * stmt ) {
467 DeclarationNode * newnode = new DeclarationNode;
468 newnode->asmStmt = stmt;
469 return newnode;
470}
471
[f6e3e34]472DeclarationNode * DeclarationNode::newStaticAssert( ExpressionNode * condition, Expression * message ) {
473 DeclarationNode * newnode = new DeclarationNode;
474 newnode->assert.condition = condition;
475 newnode->assert.message = message;
476 return newnode;
477}
478
479
[5b639ee]480void appendError( string & dst, const string & src ) {
481 if ( src.empty() ) return;
482 if ( dst.empty() ) { dst = src; return; }
483 dst += ", " + src;
484} // appendError
485
[ba7aa2d]486void DeclarationNode::checkQualifiers( const TypeData * src, const TypeData * dst ) {
[738e304]487 const Type::Qualifiers qsrc = src->qualifiers, qdst = dst->qualifiers; // optimization
[c1c1112]488
[6f95000]489 if ( (qsrc & qdst).any() ) { // duplicates ?
[738e304]490 for ( unsigned int i = 0; i < Type::NumTypeQualifier; i += 1 ) { // find duplicates
[5b639ee]491 if ( qsrc[i] && qdst[i] ) {
[615a096]492 appendError( error, string( "duplicate " ) + Type::QualifiersNames[i] );
[c1c1112]493 } // if
494 } // for
[a7c90d4]495 } // for
[c1c1112]496} // DeclarationNode::checkQualifiers
497
[a7c90d4]498void DeclarationNode::checkSpecifiers( DeclarationNode * src ) {
[6f95000]499 if ( (funcSpecs & src->funcSpecs).any() ) { // duplicates ?
[ddfd945]500 for ( unsigned int i = 0; i < Type::NumFuncSpecifier; i += 1 ) { // find duplicates
[a7c90d4]501 if ( funcSpecs[i] && src->funcSpecs[i] ) {
[615a096]502 appendError( error, string( "duplicate " ) + Type::FuncSpecifiersNames[i] );
[dd020c0]503 } // if
504 } // for
505 } // if
506
[6e8bd43]507 if ( storageClasses.any() && src->storageClasses.any() ) { // any reason to check ?
[6f95000]508 if ( (storageClasses & src->storageClasses ).any() ) { // duplicates ?
[68fe077a]509 for ( unsigned int i = 0; i < Type::NumStorageClass; i += 1 ) { // find duplicates
[a7c90d4]510 if ( storageClasses[i] && src->storageClasses[i] ) {
[615a096]511 appendError( error, string( "duplicate " ) + Type::StorageClassesNames[i] );
[a7c90d4]512 } // if
513 } // for
514 // src is the new item being added and has a single bit
[ed9a1ae]515 } else if ( ! src->storageClasses.is_threadlocal_any() ) { // conflict ?
[702e826]516 appendError( error, string( "conflicting " )
517 + Type::StorageClassesNames[storageClasses.ffs()]
518 + " & " + Type::StorageClassesNames[src->storageClasses.ffs()] );
[6f95000]519 src->storageClasses.reset(); // FIX to preserve invariant of one basic storage specifier
[b6424d9]520 } // if
521 } // if
[dd020c0]522
[a7c90d4]523 appendError( error, src->error );
524} // DeclarationNode::checkSpecifiers
[b6424d9]525
[a7c90d4]526DeclarationNode * DeclarationNode::copySpecifiers( DeclarationNode * q ) {
[6f95000]527 funcSpecs |= q->funcSpecs;
528 storageClasses |= q->storageClasses;
[c0aa336]529
[66406f3]530 for ( Attribute * attr: reverseIterate( q->attributes ) ) {
[c0aa336]531 attributes.push_front( attr->clone() );
532 } // for
[b6424d9]533 return this;
[a7c90d4]534} // DeclarationNode::copySpecifiers
[b6424d9]535
[f2f512ba]536static void addQualifiersToType( TypeData *& src, TypeData * dst ) {
[101e0bd]537 if ( dst->base ) {
538 addQualifiersToType( src, dst->base );
539 } else if ( dst->kind == TypeData::Function ) {
540 dst->base = src;
[2298f728]541 src = nullptr;
[101e0bd]542 } else {
[6f95000]543 dst->qualifiers |= src->qualifiers;
[101e0bd]544 } // if
545} // addQualifiersToType
546
[ba7aa2d]547DeclarationNode * DeclarationNode::addQualifiers( DeclarationNode * q ) {
[af9da5f]548 if ( ! q ) { return this; } // empty qualifier
[101e0bd]549
[a7c90d4]550 checkSpecifiers( q );
551 copySpecifiers( q );
[101e0bd]552
[c38ae92]553 if ( ! q->type ) { delete q; return this; }
[101e0bd]554
555 if ( ! type ) {
[c38ae92]556 type = q->type; // reuse structure
[1b772749]557 q->type = nullptr;
558 delete q;
[101e0bd]559 return this;
560 } // if
561
[c38ae92]562 if ( q->type->forall ) { // forall qualifier ?
563 if ( type->forall ) { // polymorphic routine ?
564 type->forall->appendList( q->type->forall ); // augment forall qualifier
[101e0bd]565 } else {
[c38ae92]566 if ( type->kind == TypeData::Aggregate ) { // struct/union ?
567 if ( type->aggregate.params ) { // polymorphic ?
568 type->aggregate.params->appendList( q->type->forall ); // augment forall qualifier
569 } else { // not polymorphic
[a1c9ddd]570 type->aggregate.params = q->type->forall; // set forall qualifier
[c38ae92]571 } // if
572 } else { // not polymorphic
573 type->forall = q->type->forall; // make polymorphic routine
[68cd1ce]574 } // if
575 } // if
[c38ae92]576 q->type->forall = nullptr; // forall qualifier moved
[68cd1ce]577 } // if
[6ef2d81]578
[a7c90d4]579 checkQualifiers( type, q->type );
[78e2fca]580 if ( (builtin == Zero || builtin == One) && q->type->qualifiers.any() && error.length() == 0 ) {
[be00a2d]581 SemanticWarning( yylloc, Warning::BadQualifiersZeroOne, builtinTypeNames[builtin] );
[9dc31c10]582 } // if
[6ef2d81]583 addQualifiersToType( q->type, type );
584
[b87a5ed]585 delete q;
586 return this;
[101e0bd]587} // addQualifiers
[3848e0e]588
[f2f512ba]589static void addTypeToType( TypeData *& src, TypeData *& dst ) {
[101e0bd]590 if ( src->forall && dst->kind == TypeData::Function ) {
591 if ( dst->forall ) {
592 dst->forall->appendList( src->forall );
[b87a5ed]593 } else {
[101e0bd]594 dst->forall = src->forall;
595 } // if
[2298f728]596 src->forall = nullptr;
[101e0bd]597 } // if
598 if ( dst->base ) {
599 addTypeToType( src, dst->base );
600 } else {
601 switch ( dst->kind ) {
[0d0931d]602 case TypeData::Unknown:
[6f95000]603 src->qualifiers |= dst->qualifiers;
[101e0bd]604 dst = src;
[2298f728]605 src = nullptr;
[101e0bd]606 break;
[0d0931d]607 case TypeData::Basic:
[6f95000]608 dst->qualifiers |= src->qualifiers;
[101e0bd]609 if ( src->kind != TypeData::Unknown ) {
610 assert( src->kind == TypeData::Basic );
611
612 if ( dst->basictype == DeclarationNode::NoBasicType ) {
613 dst->basictype = src->basictype;
614 } else if ( src->basictype != DeclarationNode::NoBasicType )
[a16764a6]615 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::basicTypeNames[ src->basictype ] + " in type: " );
[101e0bd]616
617 if ( dst->complextype == DeclarationNode::NoComplexType ) {
618 dst->complextype = src->complextype;
619 } else if ( src->complextype != DeclarationNode::NoComplexType )
[a16764a6]620 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::complexTypeNames[ src->complextype ] + " in type: " );
[101e0bd]621
622 if ( dst->signedness == DeclarationNode::NoSignedness ) {
623 dst->signedness = src->signedness;
624 } else if ( src->signedness != DeclarationNode::NoSignedness )
[a16764a6]625 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::signednessNames[ src->signedness ] + " in type: " );
[101e0bd]626
627 if ( dst->length == DeclarationNode::NoLength ) {
628 dst->length = src->length;
629 } else if ( dst->length == DeclarationNode::Long && src->length == DeclarationNode::Long ) {
630 dst->length = DeclarationNode::LongLong;
631 } else if ( src->length != DeclarationNode::NoLength )
[a16764a6]632 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::lengthNames[ src->length ] + " in type: " );
[101e0bd]633 } // if
634 break;
[0d0931d]635 default:
[101e0bd]636 switch ( src->kind ) {
[0d0931d]637 case TypeData::Aggregate:
638 case TypeData::Enum:
[101e0bd]639 dst->base = new TypeData( TypeData::AggregateInst );
640 dst->base->aggInst.aggregate = src;
641 if ( src->kind == TypeData::Aggregate ) {
642 dst->base->aggInst.params = maybeClone( src->aggregate.actuals );
[68cd1ce]643 } // if
[6f95000]644 dst->base->qualifiers |= src->qualifiers;
[2298f728]645 src = nullptr;
[b87a5ed]646 break;
[0d0931d]647 default:
[101e0bd]648 if ( dst->forall ) {
649 dst->forall->appendList( src->forall );
650 } else {
651 dst->forall = src->forall;
652 } // if
[2298f728]653 src->forall = nullptr;
[101e0bd]654 dst->base = src;
[2298f728]655 src = nullptr;
[68cd1ce]656 } // switch
[101e0bd]657 } // switch
[68cd1ce]658 } // if
[3848e0e]659}
660
[ba7aa2d]661DeclarationNode * DeclarationNode::addType( DeclarationNode * o ) {
[b87a5ed]662 if ( o ) {
[a7c90d4]663 checkSpecifiers( o );
664 copySpecifiers( o );
[b87a5ed]665 if ( o->type ) {
666 if ( ! type ) {
667 if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) {
668 type = new TypeData( TypeData::AggregateInst );
[8f6f47d7]669 type->aggInst.aggregate = o->type;
[b87a5ed]670 if ( o->type->kind == TypeData::Aggregate ) {
[43c89a7]671 type->aggInst.hoistType = o->type->aggregate.body;
[8f6f47d7]672 type->aggInst.params = maybeClone( o->type->aggregate.actuals );
[43c89a7]673 } else {
674 type->aggInst.hoistType = o->type->enumeration.body;
[68cd1ce]675 } // if
[6f95000]676 type->qualifiers |= o->type->qualifiers;
[b87a5ed]677 } else {
678 type = o->type;
[68cd1ce]679 } // if
[2298f728]680 o->type = nullptr;
[b87a5ed]681 } else {
682 addTypeToType( o->type, type );
[68cd1ce]683 } // if
684 } // if
[b87a5ed]685 if ( o->bitfieldWidth ) {
686 bitfieldWidth = o->bitfieldWidth;
[68cd1ce]687 } // if
[71bd8c6]688
689 // there may be typedefs chained onto the type
[1d4580a]690 if ( o->get_next() ) {
691 set_last( o->get_next()->clone() );
[1db21619]692 } // if
[68cd1ce]693 } // if
[b87a5ed]694 delete o;
[66406f3]695
[b87a5ed]696 return this;
[3848e0e]697}
698
[f135b50]699DeclarationNode * DeclarationNode::addEnumBase( DeclarationNode * o ) {
700 if ( o && o -> type) {
701 type->base= o->type;
702 }
703 delete o;
704 return this;
705}
706
[ba7aa2d]707DeclarationNode * DeclarationNode::addTypedef() {
708 TypeData * newtype = new TypeData( TypeData::Symbolic );
[2298f728]709 newtype->symbolic.params = nullptr;
[8f6f47d7]710 newtype->symbolic.isTypedef = true;
[2298f728]711 newtype->symbolic.name = name ? new string( *name ) : nullptr;
[b87a5ed]712 newtype->base = type;
713 type = newtype;
714 return this;
[3848e0e]715}
716
[ba7aa2d]717DeclarationNode * DeclarationNode::addAssertions( DeclarationNode * assertions ) {
[07de76b]718 if ( variable.tyClass != TypeDecl::NUMBER_OF_KINDS ) {
[702e826]719 if ( variable.assertions ) {
720 variable.assertions->appendList( assertions );
721 } else {
722 variable.assertions = assertions;
723 } // if
724 return this;
[2298f728]725 } // if
726
[b87a5ed]727 assert( type );
728 switch ( type->kind ) {
[0d0931d]729 case TypeData::Symbolic:
[8f6f47d7]730 if ( type->symbolic.assertions ) {
731 type->symbolic.assertions->appendList( assertions );
[b87a5ed]732 } else {
[8f6f47d7]733 type->symbolic.assertions = assertions;
[68cd1ce]734 } // if
[b87a5ed]735 break;
[0d0931d]736 default:
[b87a5ed]737 assert( false );
[68cd1ce]738 } // switch
[974906e2]739
[b87a5ed]740 return this;
[51b73452]741}
742
[fb114fa1]743DeclarationNode * DeclarationNode::addName( string * newname ) {
[2298f728]744 assert( ! name );
745 name = newname;
[b87a5ed]746 return this;
[51b73452]747}
748
[c0aa336]749DeclarationNode * DeclarationNode::addAsmName( DeclarationNode * newname ) {
[58dd019]750 assert( ! asmName );
[c0aa336]751 asmName = newname ? newname->asmName : nullptr;
752 return this->addQualifiers( newname );
[58dd019]753}
754
[ba7aa2d]755DeclarationNode * DeclarationNode::addBitfield( ExpressionNode * size ) {
[b87a5ed]756 bitfieldWidth = size;
757 return this;
[51b73452]758}
759
[ba7aa2d]760DeclarationNode * DeclarationNode::addVarArgs() {
[b87a5ed]761 assert( type );
762 hasEllipsis = true;
763 return this;
[51b73452]764}
765
[c453ac4]766DeclarationNode * DeclarationNode::addFunctionBody( StatementNode * body, ExpressionNode * withExprs ) {
[b87a5ed]767 assert( type );
768 assert( type->kind == TypeData::Function );
[2298f728]769 assert( ! type->function.body );
[8f6f47d7]770 type->function.body = body;
[c453ac4]771 type->function.withExprs = withExprs;
[b87a5ed]772 return this;
[51b73452]773}
774
[ba7aa2d]775DeclarationNode * DeclarationNode::addOldDeclList( DeclarationNode * list ) {
[b87a5ed]776 assert( type );
777 assert( type->kind == TypeData::Function );
[2298f728]778 assert( ! type->function.oldDeclList );
[8f6f47d7]779 type->function.oldDeclList = list;
[b87a5ed]780 return this;
[51b73452]781}
782
[c0aa336]783DeclarationNode * DeclarationNode::setBase( TypeData * newType ) {
[b87a5ed]784 if ( type ) {
[ba7aa2d]785 TypeData * prevBase = type;
786 TypeData * curBase = type->base;
[2298f728]787 while ( curBase != nullptr ) {
[b87a5ed]788 prevBase = curBase;
789 curBase = curBase->base;
[68cd1ce]790 } // while
[b87a5ed]791 prevBase->base = newType;
792 } else {
793 type = newType;
[68cd1ce]794 } // if
[c0aa336]795 return this;
[3848e0e]796}
797
[c0aa336]798DeclarationNode * DeclarationNode::copyAttribute( DeclarationNode * a ) {
799 if ( a ) {
800 for ( Attribute *attr: reverseIterate( a->attributes ) ) {
801 attributes.push_front( attr );
802 } // for
803 a->attributes.clear();
804 } // if
805 return this;
806} // copyAttribute
807
[ba7aa2d]808DeclarationNode * DeclarationNode::addPointer( DeclarationNode * p ) {
[b87a5ed]809 if ( p ) {
[6926a6d]810 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
[c0aa336]811 setBase( p->type );
[2298f728]812 p->type = nullptr;
[c0aa336]813 copyAttribute( p );
[b87a5ed]814 delete p;
[68cd1ce]815 } // if
[b87a5ed]816 return this;
[3848e0e]817}
818
[ba7aa2d]819DeclarationNode * DeclarationNode::addArray( DeclarationNode * a ) {
[b87a5ed]820 if ( a ) {
821 assert( a->type->kind == TypeData::Array );
[c0aa336]822 setBase( a->type );
[2298f728]823 a->type = nullptr;
[c0aa336]824 copyAttribute( a );
[b87a5ed]825 delete a;
[68cd1ce]826 } // if
[b87a5ed]827 return this;
[51b73452]828}
829
[ba7aa2d]830DeclarationNode * DeclarationNode::addNewPointer( DeclarationNode * p ) {
[b87a5ed]831 if ( p ) {
[e6cee92]832 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
[b87a5ed]833 if ( type ) {
834 switch ( type->kind ) {
[0d0931d]835 case TypeData::Aggregate:
836 case TypeData::Enum:
[b87a5ed]837 p->type->base = new TypeData( TypeData::AggregateInst );
[8f6f47d7]838 p->type->base->aggInst.aggregate = type;
[b87a5ed]839 if ( type->kind == TypeData::Aggregate ) {
[8f6f47d7]840 p->type->base->aggInst.params = maybeClone( type->aggregate.actuals );
[68cd1ce]841 } // if
[6f95000]842 p->type->base->qualifiers |= type->qualifiers;
[b87a5ed]843 break;
844
[0d0931d]845 default:
[b87a5ed]846 p->type->base = type;
[68cd1ce]847 } // switch
[2298f728]848 type = nullptr;
[68cd1ce]849 } // if
[b87a5ed]850 delete this;
851 return p;
852 } else {
853 return this;
[68cd1ce]854 } // if
[51b73452]855}
856
[ba7aa2d]857static TypeData * findLast( TypeData * a ) {
[b87a5ed]858 assert( a );
[ba7aa2d]859 TypeData * cur = a;
[a32b204]860 while ( cur->base ) {
[b87a5ed]861 cur = cur->base;
[68cd1ce]862 } // while
[b87a5ed]863 return cur;
[3848e0e]864}
865
[ba7aa2d]866DeclarationNode * DeclarationNode::addNewArray( DeclarationNode * a ) {
[0d0931d]867 if ( ! a ) return this;
[738e304]868 assert( a->type->kind == TypeData::Array );
869 TypeData * lastArray = findLast( a->type );
870 if ( type ) {
871 switch ( type->kind ) {
[0d0931d]872 case TypeData::Aggregate:
873 case TypeData::Enum:
[738e304]874 lastArray->base = new TypeData( TypeData::AggregateInst );
875 lastArray->base->aggInst.aggregate = type;
876 if ( type->kind == TypeData::Aggregate ) {
877 lastArray->base->aggInst.params = maybeClone( type->aggregate.actuals );
878 } // if
[6f95000]879 lastArray->base->qualifiers |= type->qualifiers;
[738e304]880 break;
[0d0931d]881 default:
[738e304]882 lastArray->base = type;
883 } // switch
884 type = nullptr;
[68cd1ce]885 } // if
[738e304]886 delete this;
887 return a;
[51b73452]888}
[3848e0e]889
[ba7aa2d]890DeclarationNode * DeclarationNode::addParamList( DeclarationNode * params ) {
891 TypeData * ftype = new TypeData( TypeData::Function );
[8f6f47d7]892 ftype->function.params = params;
[c0aa336]893 setBase( ftype );
[b87a5ed]894 return this;
[3848e0e]895}
896
[ba7aa2d]897static TypeData * addIdListToType( TypeData * type, DeclarationNode * ids ) {
[b87a5ed]898 if ( type ) {
899 if ( type->kind != TypeData::Function ) {
900 type->base = addIdListToType( type->base, ids );
901 } else {
[8f6f47d7]902 type->function.idList = ids;
[68cd1ce]903 } // if
[b87a5ed]904 return type;
[3848e0e]905 } else {
[ba7aa2d]906 TypeData * newtype = new TypeData( TypeData::Function );
[8f6f47d7]907 newtype->function.idList = ids;
[b87a5ed]908 return newtype;
[68cd1ce]909 } // if
[2298f728]910} // addIdListToType
[974906e2]911
[ba7aa2d]912DeclarationNode * DeclarationNode::addIdList( DeclarationNode * ids ) {
[b87a5ed]913 type = addIdListToType( type, ids );
914 return this;
[3848e0e]915}
916
[ba7aa2d]917DeclarationNode * DeclarationNode::addInitializer( InitializerNode * init ) {
[b87a5ed]918 initializer = init;
919 return this;
[3848e0e]920}
921
[67cf18c]922DeclarationNode * DeclarationNode::addTypeInitializer( DeclarationNode * init ) {
[07de76b]923 assertf( variable.tyClass != TypeDecl::NUMBER_OF_KINDS, "Called addTypeInitializer on something that isn't a type variable." );
[67cf18c]924 variable.initializer = init;
925 return this;
926}
927
[a46b69c]928DeclarationNode * DeclarationNode::cloneType( string * name ) {
929 DeclarationNode * newnode = newName( name );
[b87a5ed]930 newnode->type = maybeClone( type );
[a7c90d4]931 newnode->copySpecifiers( this );
[b87a5ed]932 return newnode;
[3848e0e]933}
934
[2298f728]935DeclarationNode * DeclarationNode::cloneBaseType( DeclarationNode * o ) {
936 if ( ! o ) return nullptr;
937
[a7c90d4]938 o->copySpecifiers( this );
[2298f728]939 if ( type ) {
940 TypeData * srcType = type;
941
[c0aa336]942 // search for the base type by scanning off pointers and array designators
[2298f728]943 while ( srcType->base ) {
944 srcType = srcType->base;
945 } // while
946
947 TypeData * newType = srcType->clone();
948 if ( newType->kind == TypeData::AggregateInst ) {
949 // don't duplicate members
950 if ( newType->aggInst.aggregate->kind == TypeData::Enum ) {
951 delete newType->aggInst.aggregate->enumeration.constants;
952 newType->aggInst.aggregate->enumeration.constants = nullptr;
[b2da0574]953 newType->aggInst.aggregate->enumeration.body = false;
[b87a5ed]954 } else {
[2298f728]955 assert( newType->aggInst.aggregate->kind == TypeData::Aggregate );
956 delete newType->aggInst.aggregate->aggregate.fields;
957 newType->aggInst.aggregate->aggregate.fields = nullptr;
[b2da0574]958 newType->aggInst.aggregate->aggregate.body = false;
[68cd1ce]959 } // if
[43c89a7]960 // don't hoist twice
961 newType->aggInst.hoistType = false;
[68cd1ce]962 } // if
[2298f728]963
964 newType->forall = maybeClone( type->forall );
965 if ( ! o->type ) {
966 o->type = newType;
967 } else {
968 addTypeToType( newType, o->type );
969 delete newType;
970 } // if
[68cd1ce]971 } // if
[b87a5ed]972 return o;
[51b73452]973}
974
[ba7aa2d]975DeclarationNode * DeclarationNode::extractAggregate() const {
[b87a5ed]976 if ( type ) {
[ba7aa2d]977 TypeData * ret = typeextractAggregate( type );
[b87a5ed]978 if ( ret ) {
[ba7aa2d]979 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]980 newnode->type = ret;
981 return newnode;
[843054c2]982 } // if
983 } // if
[2298f728]984 return nullptr;
[3848e0e]985}
986
[f2f512ba]987void buildList( const DeclarationNode * firstNode, std::list< Declaration * > & outputList ) {
[a16764a6]988 SemanticErrorException errors;
[7880579]989 std::back_insert_iterator< std::list< Declaration * > > out( outputList );
[2298f728]990
[3a5131ed]991 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
[b87a5ed]992 try {
[692c1cc]993 bool extracted = false, anon = false;
994 AggregateDecl * unionDecl = nullptr;
995
[ba7aa2d]996 if ( DeclarationNode * extr = cur->extractAggregate() ) {
[78e2fca]997 // Handle the case where a SUE declaration is contained within an object or type declaration.
998
999 assert( cur->type );
1000 // Replace anonymous SUE name with typedef name to prevent anonymous naming problems across translation units.
1001 if ( cur->type->kind == TypeData::Symbolic && cur->type->symbolic.isTypedef ) {
1002 assert( extr->type );
1003 // Handle anonymous aggregates: typedef struct { int i; } foo
1004 extr->type->qualifiers.reset(); // clear any CVs associated with the aggregate
1005 if ( extr->type->kind == TypeData::Aggregate && extr->type->aggregate.anon ) {
1006 delete extr->type->aggregate.name;
1007 extr->type->aggregate.name = new string( "__anonymous_" + *cur->name );
1008 extr->type->aggregate.anon = false;
1009 assert( cur->type->base );
1010 if ( cur->type->base ) {
1011 delete cur->type->base->aggInst.aggregate->aggregate.name;
1012 cur->type->base->aggInst.aggregate->aggregate.name = new string( "__anonymous_" + *cur->name );
1013 cur->type->base->aggInst.aggregate->aggregate.anon = false;
1014 cur->type->base->aggInst.aggregate->qualifiers.reset();
1015 } // if
1016 } // if
1017 // Handle anonymous enumeration: typedef enum { A, B, C } foo
1018 if ( extr->type->kind == TypeData::Enum && extr->type->enumeration.anon ) {
1019 delete extr->type->enumeration.name;
1020 extr->type->enumeration.name = new string( "__anonymous_" + *cur->name );
1021 extr->type->enumeration.anon = false;
1022 assert( cur->type->base );
1023 if ( cur->type->base ) {
1024 delete cur->type->base->aggInst.aggregate->enumeration.name;
1025 cur->type->base->aggInst.aggregate->enumeration.name = new string( "__anonymous_" + *cur->name );
1026 cur->type->base->aggInst.aggregate->enumeration.anon = false;
1027 } // if
1028 } // if
1029 } // if
[692c1cc]1030
[ba7aa2d]1031 Declaration * decl = extr->build();
[b87a5ed]1032 if ( decl ) {
[692c1cc]1033 // Remember the declaration if it is a union aggregate ?
1034 unionDecl = dynamic_cast<UnionDecl *>( decl );
1035
[294647b]1036 decl->location = cur->location;
[692c1cc]1037 *out++ = decl;
[3d7e53b]1038
1039 // need to remember the cases where a declaration contains an anonymous aggregate definition
1040 extracted = true;
1041 assert( extr->type );
1042 if ( extr->type->kind == TypeData::Aggregate ) {
[692c1cc]1043 // typedef struct { int A } B is the only case?
[3d7e53b]1044 anon = extr->type->aggregate.anon;
1045 } else if ( extr->type->kind == TypeData::Enum ) {
[692c1cc]1046 // typedef enum { A } B is the only case?
[3d7e53b]1047 anon = extr->type->enumeration.anon;
1048 }
[843054c2]1049 } // if
[f39096c]1050 delete extr;
[843054c2]1051 } // if
[2298f728]1052
[ba7aa2d]1053 Declaration * decl = cur->build();
[b87a5ed]1054 if ( decl ) {
[692c1cc]1055 if ( TypedefDecl * typedefDecl = dynamic_cast<TypedefDecl *>( decl ) ) {
1056 if ( unionDecl ) { // is the typedef alias a union aggregate ?
1057 // This code handles a special issue with the attribute transparent_union.
1058 //
1059 // typedef union U { int i; } typedef_name __attribute__(( aligned(16) )) __attribute__(( transparent_union ))
1060 //
1061 // Here the attribute aligned goes with the typedef_name, so variables declared of this type are
1062 // aligned. However, the attribute transparent_union must be moved from the typedef_name to
1063 // alias union U. Currently, this is the only know attribute that must be moved from typedef to
1064 // alias.
1065
1066 // If typedef is an alias for a union, then its alias type was hoisted above and remembered.
1067 if ( UnionInstType * unionInstType = dynamic_cast<UnionInstType *>( typedefDecl->base ) ) {
1068 // Remove all transparent_union attributes from typedef and move to alias union.
1069 list<Attribute *>::iterator attr;
1070 for ( attr = unionInstType->attributes.begin(); attr != unionInstType->attributes.end(); ) { // forward order
1071 if ( (*attr)->name == "transparent_union" || (*attr)->name == "__transparent_union__" ) {
1072 list<Attribute *>::iterator cur = attr; // remember current node
1073 attr++; // advance iterator
1074 unionDecl->attributes.emplace_back( *cur ); // move current
1075 unionInstType->attributes.erase( cur ); // remove current
1076 } else {
1077 attr++; // advance iterator
1078 } // if
1079 } // for
1080 } // if
1081 } // if
1082 } // if
1083
[3d7e53b]1084 // don't include anonymous declaration for named aggregates, but do include them for anonymous aggregates, e.g.:
1085 // struct S {
1086 // struct T { int x; }; // no anonymous member
1087 // struct { int y; }; // anonymous member
1088 // struct T; // anonymous member
1089 // };
[e07caa2]1090 if ( ! (extracted && decl->name == "" && ! anon && ! cur->get_inLine()) ) {
1091 if ( decl->name == "" ) {
[2e02851]1092 if ( DeclarationWithType * dwt = dynamic_cast<DeclarationWithType *>( decl ) ) {
1093 if ( ReferenceToType * aggr = dynamic_cast<ReferenceToType *>( dwt->get_type() ) ) {
1094 if ( aggr->name.find("anonymous") == std::string::npos ) {
[e07caa2]1095 if ( ! cur->get_inLine() ) {
1096 // temporary: warn about anonymous member declarations of named types, since
1097 // this conflicts with the syntax for the forward declaration of an anonymous type
[2e02851]1098 SemanticWarning( cur->location, Warning::AggrForwardDecl, aggr->name.c_str() );
[e07caa2]1099 } // if
1100 } // if
1101 } // if
1102 } // if
1103 } // if
[3d7e53b]1104 decl->location = cur->location;
[e07caa2]1105 *out++ = decl;
1106 } // if
[843054c2]1107 } // if
[f2f512ba]1108 } catch( SemanticErrorException & e ) {
[b87a5ed]1109 errors.append( e );
[843054c2]1110 } // try
[e07caa2]1111 } // for
[2298f728]1112
[b87a5ed]1113 if ( ! errors.isEmpty() ) {
1114 throw errors;
[843054c2]1115 } // if
[2298f728]1116} // buildList
[3848e0e]1117
[3d7e53b]1118// currently only builds assertions, function parameters, and return values
[f2f512ba]1119void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > & outputList ) {
[a16764a6]1120 SemanticErrorException errors;
[7880579]1121 std::back_insert_iterator< std::list< DeclarationWithType * > > out( outputList );
[43c89a7]1122
[3a5131ed]1123 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
[b87a5ed]1124 try {
[ba7aa2d]1125 Declaration * decl = cur->build();
[47498bd]1126 assert( decl );
1127 if ( DeclarationWithType * dwt = dynamic_cast< DeclarationWithType * >( decl ) ) {
1128 dwt->location = cur->location;
[3ca7ef3]1129 *out++ = dwt;
[47498bd]1130 } else if ( StructDecl * agg = dynamic_cast< StructDecl * >( decl ) ) {
[3d7e53b]1131 // e.g., int foo(struct S) {}
[47498bd]1132 StructInstType * inst = new StructInstType( Type::Qualifiers(), agg->name );
1133 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1134 obj->location = cur->location;
[3ca7ef3]1135 *out++ = obj;
[47498bd]1136 delete agg;
1137 } else if ( UnionDecl * agg = dynamic_cast< UnionDecl * >( decl ) ) {
[3d7e53b]1138 // e.g., int foo(union U) {}
[47498bd]1139 UnionInstType * inst = new UnionInstType( Type::Qualifiers(), agg->name );
1140 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1141 obj->location = cur->location;
[3ca7ef3]1142 *out++ = obj;
[3d7e53b]1143 } else if ( EnumDecl * agg = dynamic_cast< EnumDecl * >( decl ) ) {
1144 // e.g., int foo(enum E) {}
1145 EnumInstType * inst = new EnumInstType( Type::Qualifiers(), agg->name );
1146 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1147 obj->location = cur->location;
[3ca7ef3]1148 *out++ = obj;
[843054c2]1149 } // if
[f2f512ba]1150 } catch( SemanticErrorException & e ) {
[b87a5ed]1151 errors.append( e );
[843054c2]1152 } // try
[3a5131ed]1153 } // for
1154
[b87a5ed]1155 if ( ! errors.isEmpty() ) {
1156 throw errors;
[843054c2]1157 } // if
[2298f728]1158} // buildList
[3848e0e]1159
[f2f512ba]1160void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > & outputList ) {
[a16764a6]1161 SemanticErrorException errors;
[7880579]1162 std::back_insert_iterator< std::list< Type * > > out( outputList );
[ba7aa2d]1163 const DeclarationNode * cur = firstNode;
[2298f728]1164
[a32b204]1165 while ( cur ) {
[b87a5ed]1166 try {
[ba7aa2d]1167 * out++ = cur->buildType();
[f2f512ba]1168 } catch( SemanticErrorException & e ) {
[b87a5ed]1169 errors.append( e );
[843054c2]1170 } // try
[7880579]1171 cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
[843054c2]1172 } // while
[2298f728]1173
[b87a5ed]1174 if ( ! errors.isEmpty() ) {
1175 throw errors;
[843054c2]1176 } // if
[2298f728]1177} // buildTypeList
[51b73452]1178
[ba7aa2d]1179Declaration * DeclarationNode::build() const {
[a16764a6]1180 if ( ! error.empty() ) SemanticError( this, error + " in declaration of " );
[2298f728]1181
[e994912]1182 if ( asmStmt ) {
[e3e16bc]1183 return new AsmDecl( strict_dynamic_cast<AsmStmt *>( asmStmt->build() ) );
[e994912]1184 } // if
[2d019af]1185 if ( directiveStmt ) {
1186 return new DirectiveDecl( strict_dynamic_cast<DirectiveStmt *>( directiveStmt->build() ) );
1187 } // if
[e994912]1188
[07de76b]1189 if ( variable.tyClass != TypeDecl::NUMBER_OF_KINDS ) {
[f0ecf9b]1190 // otype is internally converted to dtype + otype parameters
[68b52b0]1191 static const TypeDecl::Kind kindMap[] = { TypeDecl::Dtype, TypeDecl::Dtype, TypeDecl::Dtype, TypeDecl::Ftype, TypeDecl::Ttype, TypeDecl::Dimension };
[b66d14a]1192 static_assert( sizeof(kindMap) / sizeof(kindMap[0]) == TypeDecl::NUMBER_OF_KINDS, "DeclarationNode::build: kindMap is out of sync." );
[8f60f0b]1193 assertf( variable.tyClass < sizeof(kindMap)/sizeof(kindMap[0]), "Variable's tyClass is out of bounds." );
[68b52b0]1194 TypeDecl * ret = new TypeDecl( *name, Type::StorageClasses(), nullptr, kindMap[ variable.tyClass ], variable.tyClass == TypeDecl::Otype || variable.tyClass == TypeDecl::DStype, variable.initializer ? variable.initializer->buildType() : nullptr );
[2298f728]1195 buildList( variable.assertions, ret->get_assertions() );
1196 return ret;
1197 } // if
1198
[843054c2]1199 if ( type ) {
[dd020c0]1200 // Function specifiers can only appear on a function definition/declaration.
1201 //
1202 // inline _Noreturn int f(); // allowed
1203 // inline _Noreturn int g( int i ); // allowed
1204 // inline _Noreturn int i; // disallowed
[fb04321]1205 if ( type->kind != TypeData::Function && funcSpecs.any() ) {
[a16764a6]1206 SemanticError( this, "invalid function specifier for " );
[dd020c0]1207 } // if
[284da8c]1208 // Forall qualifier can only appear on a function/aggregate definition/declaration.
1209 //
1210 // forall int f(); // allowed
1211 // forall int g( int i ); // allowed
1212 // forall int i; // disallowed
1213 if ( type->kind != TypeData::Function && type->forall ) {
1214 SemanticError( this, "invalid type qualifier for " );
1215 } // if
[3ed994e]1216 bool isDelete = initializer && initializer->get_isDelete();
[702e826]1217 Declaration * decl = buildDecl( type, name ? *name : string( "" ), storageClasses, maybeBuild( bitfieldWidth ), funcSpecs, linkage, asmName, isDelete ? nullptr : maybeBuild(initializer), attributes )->set_extension( extension );
[3ed994e]1218 if ( isDelete ) {
1219 DeclarationWithType * dwt = strict_dynamic_cast<DeclarationWithType *>( decl );
1220 dwt->isDeleted = true;
1221 }
1222 return decl;
[843054c2]1223 } // if
[2298f728]1224
[f6e3e34]1225 if ( assert.condition ) {
[702e826]1226 return new StaticAssertDecl( maybeBuild( assert.condition ), strict_dynamic_cast< ConstantExpr * >( maybeClone( assert.message ) ) );
[f6e3e34]1227 }
1228
[dd020c0]1229 // SUE's cannot have function specifiers, either
1230 //
[79aae15]1231 // inline _Noreturn struct S { ... }; // disallowed
1232 // inline _Noreturn enum E { ... }; // disallowed
[fb04321]1233 if ( funcSpecs.any() ) {
[a16764a6]1234 SemanticError( this, "invalid function specifier for " );
[843054c2]1235 } // if
[e874605]1236 if ( enumInLine ) {
[71806e0]1237 return new InlineMemberDecl( *name, storageClasses, linkage, nullptr );
[e874605]1238 } // if
[dd020c0]1239 assertf( name, "ObjectDecl must a have name\n" );
[702e826]1240 return (new ObjectDecl( *name, storageClasses, linkage, maybeBuild( bitfieldWidth ), nullptr, maybeBuild( initializer ) ))->set_asmName( asmName )->set_extension( extension );
[51b73452]1241}
1242
[ba7aa2d]1243Type * DeclarationNode::buildType() const {
[b87a5ed]1244 assert( type );
[974906e2]1245
[b87a5ed]1246 switch ( type->kind ) {
[0d0931d]1247 case TypeData::Enum:
1248 case TypeData::Aggregate: {
1249 ReferenceToType * ret = buildComAggInst( type, attributes, linkage );
1250 buildList( type->aggregate.actuals, ret->get_parameters() );
1251 return ret;
1252 }
1253 case TypeData::Symbolic: {
1254 TypeInstType * ret = new TypeInstType( buildQualifiers( type ), *type->symbolic.name, false, attributes );
1255 buildList( type->symbolic.actuals, ret->get_parameters() );
1256 return ret;
1257 }
1258 default:
[c0aa336]1259 Type * simpletypes = typebuild( type );
1260 simpletypes->get_attributes() = attributes; // copy because member is const
1261 return simpletypes;
[b87a5ed]1262 } // switch
[3848e0e]1263}
1264
[b87a5ed]1265// Local Variables: //
1266// tab-width: 4 //
1267// mode: c++ //
1268// compile-command: "make install" //
1269// End: //
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