source: src/Parser/DeclarationNode.cc@ 5f9c42b

ADT ast-experimental
Last change on this file since 5f9c42b was 4520b77e, checked in by JiadaL <j82liang@…>, 3 years ago

Merge to Master Sept 19

  • Property mode set to 100644
File size: 40.5 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
[201aeb9]11// Last Modified By : Peter A. Buhr
[66406f3]12// Last Modified On : Mon Aug 8 17:07:00 2022
13// Update Count : 1185
[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
29#include "SynTree/Declaration.h" // for TypeDecl, ObjectDecl, Declaration
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.
[ba01b14]43const char * DeclarationNode::basicTypeNames[] = { "void", "_Bool", "char", "int", "int128",
44 "float", "double", "long double", "float80", "float128",
45 "_float16", "_float32", "_float32x", "_float64", "_float64x", "_float128", "_float128x", "NoBasicTypeNames" };
46const char * DeclarationNode::complexTypeNames[] = { "_Complex", "NoComplexTypeNames", "_Imaginary" }; // Imaginary unsupported => parse, but make invisible and print error message
[dd020c0]47const char * DeclarationNode::signednessNames[] = { "signed", "unsigned", "NoSignednessNames" };
48const char * DeclarationNode::lengthNames[] = { "short", "long", "long long", "NoLengthNames" };
[f673c13c]49const char * DeclarationNode::builtinTypeNames[] = { "__builtin_va_list", "__auto_type", "zero_t", "one_t", "NoBuiltinTypeNames" };
[51b73452]50
51UniqueName DeclarationNode::anonymous( "__anonymous" );
52
[8b7ee09]53extern LinkageSpec::Spec linkage; // defined in parser.yy
[51b73452]54
[7d05e7e]55DeclarationNode::DeclarationNode() :
[e07caa2]56 linkage( ::linkage ) {
[2298f728]57
[faddbd8]58// variable.name = nullptr;
[07de76b]59 variable.tyClass = TypeDecl::NUMBER_OF_KINDS;
[28307be]60 variable.assertions = nullptr;
[67cf18c]61 variable.initializer = nullptr;
[7d05e7e]62
[faddbd8]63// attr.name = nullptr;
[7d05e7e]64 attr.expr = nullptr;
65 attr.type = nullptr;
[f6e3e34]66
67 assert.condition = nullptr;
68 assert.message = nullptr;
[28307be]69}
70
71DeclarationNode::~DeclarationNode() {
[faddbd8]72// delete attr.name;
[28307be]73 delete attr.expr;
74 delete attr.type;
[2298f728]75
[faddbd8]76// delete variable.name;
[2298f728]77 delete variable.assertions;
[67cf18c]78 delete variable.initializer;
[2298f728]79
[f135b50]80// delete type;
[28307be]81 delete bitfieldWidth;
[e994912]82
83 delete asmStmt;
[58dd019]84 // asmName, no delete, passed to next stage
[28307be]85 delete initializer;
[f6e3e34]86
87 delete assert.condition;
88 delete assert.message;
[28307be]89}
90
[ba7aa2d]91DeclarationNode * DeclarationNode::clone() const {
92 DeclarationNode * newnode = new DeclarationNode;
[c0aa336]93 newnode->set_next( maybeClone( get_next() ) );
[2298f728]94 newnode->name = name ? new string( *name ) : nullptr;
[c0aa336]95
[2e5fa345]96 newnode->builtin = NoBuiltinType;
[c0aa336]97 newnode->type = maybeClone( type );
[679e644]98 newnode->inLine = inLine;
[a7c90d4]99 newnode->storageClasses = storageClasses;
100 newnode->funcSpecs = funcSpecs;
[08d5507b]101 newnode->bitfieldWidth = maybeClone( bitfieldWidth );
[c0aa336]102 newnode->enumeratorValue.reset( maybeClone( enumeratorValue.get() ) );
[b87a5ed]103 newnode->hasEllipsis = hasEllipsis;
104 newnode->linkage = linkage;
[58dd019]105 newnode->asmName = maybeClone( asmName );
[c0aa336]106 cloneAll( attributes, newnode->attributes );
107 newnode->initializer = maybeClone( initializer );
108 newnode->extension = extension;
[e994912]109 newnode->asmStmt = maybeClone( asmStmt );
[c0aa336]110 newnode->error = error;
[3848e0e]111
[faddbd8]112// newnode->variable.name = variable.name ? new string( *variable.name ) : nullptr;
[28307be]113 newnode->variable.tyClass = variable.tyClass;
[fb114fa1]114 newnode->variable.assertions = maybeClone( variable.assertions );
[67cf18c]115 newnode->variable.initializer = maybeClone( variable.initializer );
[3848e0e]116
[faddbd8]117// newnode->attr.name = attr.name ? new string( *attr.name ) : nullptr;
[28307be]118 newnode->attr.expr = maybeClone( attr.expr );
119 newnode->attr.type = maybeClone( attr.type );
[f6e3e34]120
121 newnode->assert.condition = maybeClone( assert.condition );
122 newnode->assert.message = maybeClone( assert.message );
[28307be]123 return newnode;
124} // DeclarationNode::clone
[3848e0e]125
[f2f512ba]126void DeclarationNode::print( std::ostream & os, int indent ) const {
[59db689]127 os << string( indent, ' ' );
[2298f728]128 if ( name ) {
129 os << *name << ": ";
[68cd1ce]130 } // if
[51b73452]131
[b87a5ed]132 if ( linkage != LinkageSpec::Cforall ) {
[d912bed]133 os << LinkageSpec::name( linkage ) << " ";
[68cd1ce]134 } // if
[3848e0e]135
[6e8bd43]136 storageClasses.print( os );
137 funcSpecs.print( os );
[dd020c0]138
[b87a5ed]139 if ( type ) {
140 type->print( os, indent );
141 } else {
142 os << "untyped entity ";
[68cd1ce]143 } // if
[3848e0e]144
[b87a5ed]145 if ( bitfieldWidth ) {
[59db689]146 os << endl << string( indent + 2, ' ' ) << "with bitfield width ";
[b87a5ed]147 bitfieldWidth->printOneLine( os );
[68cd1ce]148 } // if
[3848e0e]149
[2298f728]150 if ( initializer ) {
[59db689]151 os << endl << string( indent + 2, ' ' ) << "with initializer ";
[b87a5ed]152 initializer->printOneLine( os );
[974906e2]153 os << " maybe constructed? " << initializer->get_maybeConstructed();
[68cd1ce]154 } // if
[3848e0e]155
[66406f3]156 for ( Attribute * attr: reverseIterate( attributes ) ) {
157 os << string( indent + 2, ' ' ) << "attr " << attr->name.c_str();
158 } // for
159
[b87a5ed]160 os << endl;
[51b73452]161}
162
[f2f512ba]163void DeclarationNode::printList( std::ostream & os, int indent ) const {
[b87a5ed]164 ParseNode::printList( os, indent );
165 if ( hasEllipsis ) {
166 os << string( indent, ' ' ) << "and a variable number of other arguments" << endl;
[68cd1ce]167 } // if
[51b73452]168}
169
[68fe077a]170DeclarationNode * DeclarationNode::newStorageClass( Type::StorageClasses sc ) {
[ba7aa2d]171 DeclarationNode * newnode = new DeclarationNode;
[08d5507b]172 newnode->storageClasses = sc;
[b87a5ed]173 return newnode;
[dd020c0]174} // DeclarationNode::newStorageClass
[3848e0e]175
[ddfd945]176DeclarationNode * DeclarationNode::newFuncSpecifier( Type::FuncSpecifiers fs ) {
[ba7aa2d]177 DeclarationNode * newnode = new DeclarationNode;
[08d5507b]178 newnode->funcSpecs = fs;
[c1c1112]179 return newnode;
[dd020c0]180} // DeclarationNode::newFuncSpecifier
[c1c1112]181
[738e304]182DeclarationNode * DeclarationNode::newTypeQualifier( Type::Qualifiers tq ) {
[ba7aa2d]183 DeclarationNode * newnode = new DeclarationNode;
[dd020c0]184 newnode->type = new TypeData();
[738e304]185 newnode->type->qualifiers = tq;
[b87a5ed]186 return newnode;
[dd020c0]187} // DeclarationNode::newQualifier
[3848e0e]188
[c1c1112]189DeclarationNode * DeclarationNode::newBasicType( BasicType bt ) {
[ba7aa2d]190 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]191 newnode->type = new TypeData( TypeData::Basic );
[5b639ee]192 newnode->type->basictype = bt;
[b87a5ed]193 return newnode;
[984dce6]194} // DeclarationNode::newBasicType
[3848e0e]195
[5b639ee]196DeclarationNode * DeclarationNode::newComplexType( ComplexType ct ) {
[ba7aa2d]197 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]198 newnode->type = new TypeData( TypeData::Basic );
[5b639ee]199 newnode->type->complextype = ct;
[b87a5ed]200 return newnode;
[5b639ee]201} // DeclarationNode::newComplexType
202
203DeclarationNode * DeclarationNode::newSignedNess( Signedness sn ) {
[ba7aa2d]204 DeclarationNode * newnode = new DeclarationNode;
[5b639ee]205 newnode->type = new TypeData( TypeData::Basic );
206 newnode->type->signedness = sn;
207 return newnode;
208} // DeclarationNode::newSignedNess
209
210DeclarationNode * DeclarationNode::newLength( Length lnth ) {
[ba7aa2d]211 DeclarationNode * newnode = new DeclarationNode;
[5b639ee]212 newnode->type = new TypeData( TypeData::Basic );
213 newnode->type->length = lnth;
214 return newnode;
215} // DeclarationNode::newLength
[3848e0e]216
[dd020c0]217DeclarationNode * DeclarationNode::newForall( DeclarationNode * forall ) {
218 DeclarationNode * newnode = new DeclarationNode;
219 newnode->type = new TypeData( TypeData::Unknown );
220 newnode->type->forall = forall;
221 return newnode;
222} // DeclarationNode::newForall
223
[47498bd]224DeclarationNode * DeclarationNode::newFromGlobalScope() {
225 DeclarationNode * newnode = new DeclarationNode;
226 newnode->type = new TypeData( TypeData::GlobalScope );
227 return newnode;
228}
229
[c5d7701]230DeclarationNode * DeclarationNode::newQualifiedType( DeclarationNode * parent, DeclarationNode * child) {
[c194661]231 DeclarationNode * newnode = new DeclarationNode;
232 newnode->type = new TypeData( TypeData::Qualified );
233 newnode->type->qualified.parent = parent->type;
234 newnode->type->qualified.child = child->type;
235 parent->type = nullptr;
236 child->type = nullptr;
237 delete parent;
238 delete child;
239 return newnode;
[c5d7701]240}
241
[312029a]242DeclarationNode * DeclarationNode::newAggregate( AggregateDecl::Aggregate kind, const string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body ) {
[ba7aa2d]243 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]244 newnode->type = new TypeData( TypeData::Aggregate );
[8f6f47d7]245 newnode->type->aggregate.kind = kind;
[66406f3]246 newnode->type->aggregate.name = name == nullptr ? new string( DeclarationNode::anonymous.newName() ) : name;
[8f6f47d7]247 newnode->type->aggregate.actuals = actuals;
248 newnode->type->aggregate.fields = fields;
249 newnode->type->aggregate.body = body;
[6ea87486]250 newnode->type->aggregate.tagged = false;
251 newnode->type->aggregate.parent = nullptr;
[3d7e53b]252 newnode->type->aggregate.anon = name == nullptr;
[b87a5ed]253 return newnode;
[984dce6]254} // DeclarationNode::newAggregate
[3848e0e]255
[b0d9ff7]256DeclarationNode * DeclarationNode::newEnum( const string * name, DeclarationNode * constants, bool body, bool typed, DeclarationNode * base) {
[ba7aa2d]257 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]258 newnode->type = new TypeData( TypeData::Enum );
[3d7e53b]259 newnode->type->enumeration.name = name == nullptr ? new string( DeclarationNode::anonymous.newName() ) : name;
[8f6f47d7]260 newnode->type->enumeration.constants = constants;
[ca1a547]261 newnode->type->enumeration.body = body;
[3d7e53b]262 newnode->type->enumeration.anon = name == nullptr;
[b0d9ff7]263 newnode->type->enumeration.typed = typed;
[9e7236f4]264 if ( base && base->type) {
[ed9a1ae]265 newnode->type->base = base->type;
[9e7236f4]266 } // if
267
[b87a5ed]268 return newnode;
[984dce6]269} // DeclarationNode::newEnum
[3848e0e]270
[a77713b]271
272
[a46b69c]273DeclarationNode * DeclarationNode::newName( const string * name ) {
[ba7aa2d]274 DeclarationNode * newnode = new DeclarationNode;
[a46b69c]275 assert( ! newnode->name );
[2298f728]276 newnode->name = name;
[a46b69c]277 return newnode;
278} // DeclarationNode::newName
279
[374cb117]280DeclarationNode * DeclarationNode::newEnumConstant( const string * name, ExpressionNode * constant ) {
[a46b69c]281 DeclarationNode * newnode = newName( name );
[4f147cc]282 newnode->enumeratorValue.reset( constant );
[b87a5ed]283 return newnode;
[984dce6]284} // DeclarationNode::newEnumConstant
[3848e0e]285
[374cb117]286DeclarationNode * DeclarationNode::newEnumValueGeneric( const string * name, InitializerNode * init ) {
[b0d9ff7]287 if ( init ) {
288 if ( init->get_expression() ) {
[374cb117]289 return newEnumConstant( name, init->get_expression() );
[b0d9ff7]290 } else {
[374cb117]291 DeclarationNode * newnode = newName( name );
292 newnode->initializer = init;
293 return newnode;
294 } // if
295 } else {
[b0d9ff7]296 return newName( name );
[374cb117]297 } // if
[9e7236f4]298} // DeclarationNode::newEnumValueGeneric
[374cb117]299
[a46b69c]300DeclarationNode * DeclarationNode::newFromTypedef( const string * name ) {
[ba7aa2d]301 DeclarationNode * newnode = new DeclarationNode;
[a46b69c]302 newnode->type = new TypeData( TypeData::SymbolicInst );
303 newnode->type->symbolic.name = name;
304 newnode->type->symbolic.isTypedef = true;
305 newnode->type->symbolic.params = nullptr;
[b87a5ed]306 return newnode;
[a46b69c]307} // DeclarationNode::newFromTypedef
[3848e0e]308
[25bca42]309DeclarationNode * DeclarationNode::newFromTypeGen( const string * name, ExpressionNode * params ) {
[ba7aa2d]310 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]311 newnode->type = new TypeData( TypeData::SymbolicInst );
[fb114fa1]312 newnode->type->symbolic.name = name;
[8f6f47d7]313 newnode->type->symbolic.isTypedef = false;
314 newnode->type->symbolic.actuals = params;
[b87a5ed]315 return newnode;
[984dce6]316} // DeclarationNode::newFromTypeGen
[3848e0e]317
[07de76b]318DeclarationNode * DeclarationNode::newTypeParam( TypeDecl::Kind tc, const string * name ) {
[a46b69c]319 DeclarationNode * newnode = newName( name );
[2298f728]320 newnode->type = nullptr;
[28307be]321 newnode->variable.tyClass = tc;
[faddbd8]322 newnode->variable.assertions = nullptr;
[b87a5ed]323 return newnode;
[984dce6]324} // DeclarationNode::newTypeParam
[3848e0e]325
[fb114fa1]326DeclarationNode * DeclarationNode::newTrait( const string * name, DeclarationNode * params, DeclarationNode * asserts ) {
[ba7aa2d]327 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]328 newnode->type = new TypeData( TypeData::Aggregate );
[2298f728]329 newnode->type->aggregate.name = name;
[312029a]330 newnode->type->aggregate.kind = AggregateDecl::Trait;
[8f6f47d7]331 newnode->type->aggregate.params = params;
332 newnode->type->aggregate.fields = asserts;
[b87a5ed]333 return newnode;
[984dce6]334} // DeclarationNode::newTrait
[3848e0e]335
[fb114fa1]336DeclarationNode * DeclarationNode::newTraitUse( const string * name, ExpressionNode * params ) {
[ba7aa2d]337 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]338 newnode->type = new TypeData( TypeData::AggregateInst );
[8f6f47d7]339 newnode->type->aggInst.aggregate = new TypeData( TypeData::Aggregate );
[312029a]340 newnode->type->aggInst.aggregate->aggregate.kind = AggregateDecl::Trait;
[2298f728]341 newnode->type->aggInst.aggregate->aggregate.name = name;
[8f6f47d7]342 newnode->type->aggInst.params = params;
[b87a5ed]343 return newnode;
[984dce6]344} // DeclarationNode::newTraitUse
[3848e0e]345
[25bca42]346DeclarationNode * DeclarationNode::newTypeDecl( const string * name, DeclarationNode * typeParams ) {
[a46b69c]347 DeclarationNode * newnode = newName( name );
[b87a5ed]348 newnode->type = new TypeData( TypeData::Symbolic );
[8f6f47d7]349 newnode->type->symbolic.isTypedef = false;
350 newnode->type->symbolic.params = typeParams;
[b87a5ed]351 return newnode;
[984dce6]352} // DeclarationNode::newTypeDecl
[3848e0e]353
[ce8c12f]354DeclarationNode * DeclarationNode::newPointer( DeclarationNode * qualifiers, OperKinds kind ) {
[ba7aa2d]355 DeclarationNode * newnode = new DeclarationNode;
[ce8c12f]356 newnode->type = new TypeData( kind == OperKinds::PointTo ? TypeData::Pointer : TypeData::Reference );
[71d0eab]357 if ( kind == OperKinds::And ) {
358 // T && is parsed as 'And' operator rather than two references => add a second reference type
359 TypeData * td = new TypeData( TypeData::Reference );
360 td->base = newnode->type;
361 newnode->type = td;
362 }
[c3396e0]363 if ( qualifiers ) {
364 return newnode->addQualifiers( qualifiers );
365 } else {
366 return newnode;
367 } // if
[984dce6]368} // DeclarationNode::newPointer
[3848e0e]369
[ba7aa2d]370DeclarationNode * DeclarationNode::newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic ) {
371 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]372 newnode->type = new TypeData( TypeData::Array );
[8f6f47d7]373 newnode->type->array.dimension = size;
374 newnode->type->array.isStatic = isStatic;
[2298f728]375 if ( newnode->type->array.dimension == nullptr || newnode->type->array.dimension->isExpressionType<ConstantExpr * >() ) {
[8f6f47d7]376 newnode->type->array.isVarLen = false;
[71bd8c6]377 } else {
[8f6f47d7]378 newnode->type->array.isVarLen = true;
[71bd8c6]379 } // if
[b87a5ed]380 return newnode->addQualifiers( qualifiers );
[984dce6]381} // DeclarationNode::newArray
[3848e0e]382
[ba7aa2d]383DeclarationNode * DeclarationNode::newVarArray( DeclarationNode * qualifiers ) {
384 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]385 newnode->type = new TypeData( TypeData::Array );
[2298f728]386 newnode->type->array.dimension = nullptr;
[8f6f47d7]387 newnode->type->array.isStatic = false;
388 newnode->type->array.isVarLen = true;
[b87a5ed]389 return newnode->addQualifiers( qualifiers );
[3848e0e]390}
391
[ba7aa2d]392DeclarationNode * DeclarationNode::newBitfield( ExpressionNode * size ) {
393 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]394 newnode->bitfieldWidth = size;
395 return newnode;
[3848e0e]396}
397
[ba7aa2d]398DeclarationNode * DeclarationNode::newTuple( DeclarationNode * members ) {
399 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]400 newnode->type = new TypeData( TypeData::Tuple );
[8f6f47d7]401 newnode->type->tuple = members;
[b87a5ed]402 return newnode;
[3848e0e]403}
404
[f855545]405DeclarationNode * DeclarationNode::newTypeof( ExpressionNode * expr, bool basetypeof ) {
[ba7aa2d]406 DeclarationNode * newnode = new DeclarationNode;
[f855545]407 newnode->type = new TypeData( basetypeof ? TypeData::Basetypeof : TypeData::Typeof );
[8f6f47d7]408 newnode->type->typeexpr = expr;
[b87a5ed]409 return newnode;
[3848e0e]410}
411
[93bbbc4]412DeclarationNode * DeclarationNode::newVtableType( DeclarationNode * decl ) {
413 DeclarationNode * newnode = new DeclarationNode;
414 newnode->type = new TypeData( TypeData::Vtable );
415 newnode->setBase( decl->type );
416 return newnode;
417}
418
[8f6f47d7]419DeclarationNode * DeclarationNode::newBuiltinType( BuiltinType bt ) {
[ba7aa2d]420 DeclarationNode * newnode = new DeclarationNode;
[8f6f47d7]421 newnode->type = new TypeData( TypeData::Builtin );
422 newnode->builtin = bt;
[148f7290]423 newnode->type->builtintype = newnode->builtin;
[8f6f47d7]424 return newnode;
425} // DeclarationNode::newBuiltinType
426
[a46b69c]427DeclarationNode * DeclarationNode::newFunction( const string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body ) {
428 DeclarationNode * newnode = newName( name );
429 newnode->type = new TypeData( TypeData::Function );
430 newnode->type->function.params = param;
431 newnode->type->function.body = body;
432
433 if ( ret ) {
434 newnode->type->base = ret->type;
435 ret->type = nullptr;
436 delete ret;
437 } // if
438
439 return newnode;
440} // DeclarationNode::newFunction
441
[25bca42]442DeclarationNode * DeclarationNode::newAttribute( const string * name, ExpressionNode * expr ) {
[44a81853]443 DeclarationNode * newnode = new DeclarationNode;
444 newnode->type = nullptr;
445 std::list< Expression * > exprs;
446 buildList( expr, exprs );
447 newnode->attributes.push_back( new Attribute( *name, exprs ) );
448 delete name;
449 return newnode;
450}
451
[2d019af]452DeclarationNode * DeclarationNode::newDirectiveStmt( StatementNode * stmt ) {
453 DeclarationNode * newnode = new DeclarationNode;
454 newnode->directiveStmt = stmt;
455 return newnode;
456}
457
[e994912]458DeclarationNode * DeclarationNode::newAsmStmt( StatementNode * stmt ) {
459 DeclarationNode * newnode = new DeclarationNode;
460 newnode->asmStmt = stmt;
461 return newnode;
462}
463
[f6e3e34]464DeclarationNode * DeclarationNode::newStaticAssert( ExpressionNode * condition, Expression * message ) {
465 DeclarationNode * newnode = new DeclarationNode;
466 newnode->assert.condition = condition;
467 newnode->assert.message = message;
468 return newnode;
469}
470
471
[5b639ee]472void appendError( string & dst, const string & src ) {
473 if ( src.empty() ) return;
474 if ( dst.empty() ) { dst = src; return; }
475 dst += ", " + src;
476} // appendError
477
[ba7aa2d]478void DeclarationNode::checkQualifiers( const TypeData * src, const TypeData * dst ) {
[738e304]479 const Type::Qualifiers qsrc = src->qualifiers, qdst = dst->qualifiers; // optimization
[c1c1112]480
[6f95000]481 if ( (qsrc & qdst).any() ) { // duplicates ?
[738e304]482 for ( unsigned int i = 0; i < Type::NumTypeQualifier; i += 1 ) { // find duplicates
[5b639ee]483 if ( qsrc[i] && qdst[i] ) {
[615a096]484 appendError( error, string( "duplicate " ) + Type::QualifiersNames[i] );
[c1c1112]485 } // if
486 } // for
[a7c90d4]487 } // for
[c1c1112]488} // DeclarationNode::checkQualifiers
489
[a7c90d4]490void DeclarationNode::checkSpecifiers( DeclarationNode * src ) {
[6f95000]491 if ( (funcSpecs & src->funcSpecs).any() ) { // duplicates ?
[ddfd945]492 for ( unsigned int i = 0; i < Type::NumFuncSpecifier; i += 1 ) { // find duplicates
[a7c90d4]493 if ( funcSpecs[i] && src->funcSpecs[i] ) {
[615a096]494 appendError( error, string( "duplicate " ) + Type::FuncSpecifiersNames[i] );
[dd020c0]495 } // if
496 } // for
497 } // if
498
[6e8bd43]499 if ( storageClasses.any() && src->storageClasses.any() ) { // any reason to check ?
[6f95000]500 if ( (storageClasses & src->storageClasses ).any() ) { // duplicates ?
[68fe077a]501 for ( unsigned int i = 0; i < Type::NumStorageClass; i += 1 ) { // find duplicates
[a7c90d4]502 if ( storageClasses[i] && src->storageClasses[i] ) {
[615a096]503 appendError( error, string( "duplicate " ) + Type::StorageClassesNames[i] );
[a7c90d4]504 } // if
505 } // for
506 // src is the new item being added and has a single bit
[ed9a1ae]507 } else if ( ! src->storageClasses.is_threadlocal_any() ) { // conflict ?
[615a096]508 appendError( error, string( "conflicting " ) + Type::StorageClassesNames[storageClasses.ffs()] +
509 " & " + Type::StorageClassesNames[src->storageClasses.ffs()] );
[6f95000]510 src->storageClasses.reset(); // FIX to preserve invariant of one basic storage specifier
[b6424d9]511 } // if
512 } // if
[dd020c0]513
[a7c90d4]514 appendError( error, src->error );
515} // DeclarationNode::checkSpecifiers
[b6424d9]516
[a7c90d4]517DeclarationNode * DeclarationNode::copySpecifiers( DeclarationNode * q ) {
[6f95000]518 funcSpecs |= q->funcSpecs;
519 storageClasses |= q->storageClasses;
[c0aa336]520
[66406f3]521 for ( Attribute * attr: reverseIterate( q->attributes ) ) {
[c0aa336]522 attributes.push_front( attr->clone() );
523 } // for
[b6424d9]524 return this;
[a7c90d4]525} // DeclarationNode::copySpecifiers
[b6424d9]526
[f2f512ba]527static void addQualifiersToType( TypeData *& src, TypeData * dst ) {
[101e0bd]528 if ( dst->base ) {
529 addQualifiersToType( src, dst->base );
530 } else if ( dst->kind == TypeData::Function ) {
531 dst->base = src;
[2298f728]532 src = nullptr;
[101e0bd]533 } else {
[6f95000]534 dst->qualifiers |= src->qualifiers;
[101e0bd]535 } // if
536} // addQualifiersToType
537
[ba7aa2d]538DeclarationNode * DeclarationNode::addQualifiers( DeclarationNode * q ) {
[af9da5f]539 if ( ! q ) { return this; } // empty qualifier
[101e0bd]540
[a7c90d4]541 checkSpecifiers( q );
542 copySpecifiers( q );
[101e0bd]543
[c38ae92]544 if ( ! q->type ) { delete q; return this; }
[101e0bd]545
546 if ( ! type ) {
[c38ae92]547 type = q->type; // reuse structure
[1b772749]548 q->type = nullptr;
549 delete q;
[101e0bd]550 return this;
551 } // if
552
[c38ae92]553 if ( q->type->forall ) { // forall qualifier ?
554 if ( type->forall ) { // polymorphic routine ?
555 type->forall->appendList( q->type->forall ); // augment forall qualifier
[101e0bd]556 } else {
[c38ae92]557 if ( type->kind == TypeData::Aggregate ) { // struct/union ?
558 if ( type->aggregate.params ) { // polymorphic ?
559 type->aggregate.params->appendList( q->type->forall ); // augment forall qualifier
560 } else { // not polymorphic
[a1c9ddd]561 type->aggregate.params = q->type->forall; // set forall qualifier
[c38ae92]562 } // if
563 } else { // not polymorphic
564 type->forall = q->type->forall; // make polymorphic routine
[68cd1ce]565 } // if
566 } // if
[c38ae92]567 q->type->forall = nullptr; // forall qualifier moved
[68cd1ce]568 } // if
[6ef2d81]569
[a7c90d4]570 checkQualifiers( type, q->type );
[af9da5f]571 if ( (builtin == Zero || builtin == One) && q->type->qualifiers.val != 0 && error.length() == 0 ) {
[f14d956]572 SemanticWarning( yylloc, Warning::BadQualifiersZeroOne, Type::QualifiersNames[ilog2( q->type->qualifiers.val )], builtinTypeNames[builtin] );
[9dc31c10]573 } // if
[6ef2d81]574 addQualifiersToType( q->type, type );
575
[b87a5ed]576 delete q;
577 return this;
[101e0bd]578} // addQualifiers
[3848e0e]579
[f2f512ba]580static void addTypeToType( TypeData *& src, TypeData *& dst ) {
[101e0bd]581 if ( src->forall && dst->kind == TypeData::Function ) {
582 if ( dst->forall ) {
583 dst->forall->appendList( src->forall );
[b87a5ed]584 } else {
[101e0bd]585 dst->forall = src->forall;
586 } // if
[2298f728]587 src->forall = nullptr;
[101e0bd]588 } // if
589 if ( dst->base ) {
590 addTypeToType( src, dst->base );
591 } else {
592 switch ( dst->kind ) {
593 case TypeData::Unknown:
[6f95000]594 src->qualifiers |= dst->qualifiers;
[101e0bd]595 dst = src;
[2298f728]596 src = nullptr;
[101e0bd]597 break;
598 case TypeData::Basic:
[6f95000]599 dst->qualifiers |= src->qualifiers;
[101e0bd]600 if ( src->kind != TypeData::Unknown ) {
601 assert( src->kind == TypeData::Basic );
602
603 if ( dst->basictype == DeclarationNode::NoBasicType ) {
604 dst->basictype = src->basictype;
605 } else if ( src->basictype != DeclarationNode::NoBasicType )
[a16764a6]606 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::basicTypeNames[ src->basictype ] + " in type: " );
[101e0bd]607
608 if ( dst->complextype == DeclarationNode::NoComplexType ) {
609 dst->complextype = src->complextype;
610 } else if ( src->complextype != DeclarationNode::NoComplexType )
[a16764a6]611 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::complexTypeNames[ src->complextype ] + " in type: " );
[101e0bd]612
613 if ( dst->signedness == DeclarationNode::NoSignedness ) {
614 dst->signedness = src->signedness;
615 } else if ( src->signedness != DeclarationNode::NoSignedness )
[a16764a6]616 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::signednessNames[ src->signedness ] + " in type: " );
[101e0bd]617
618 if ( dst->length == DeclarationNode::NoLength ) {
619 dst->length = src->length;
620 } else if ( dst->length == DeclarationNode::Long && src->length == DeclarationNode::Long ) {
621 dst->length = DeclarationNode::LongLong;
622 } else if ( src->length != DeclarationNode::NoLength )
[a16764a6]623 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::lengthNames[ src->length ] + " in type: " );
[101e0bd]624 } // if
625 break;
626 default:
627 switch ( src->kind ) {
628 case TypeData::Aggregate:
629 case TypeData::Enum:
630 dst->base = new TypeData( TypeData::AggregateInst );
631 dst->base->aggInst.aggregate = src;
632 if ( src->kind == TypeData::Aggregate ) {
633 dst->base->aggInst.params = maybeClone( src->aggregate.actuals );
[68cd1ce]634 } // if
[6f95000]635 dst->base->qualifiers |= src->qualifiers;
[2298f728]636 src = nullptr;
[b87a5ed]637 break;
638 default:
[101e0bd]639 if ( dst->forall ) {
640 dst->forall->appendList( src->forall );
641 } else {
642 dst->forall = src->forall;
643 } // if
[2298f728]644 src->forall = nullptr;
[101e0bd]645 dst->base = src;
[2298f728]646 src = nullptr;
[68cd1ce]647 } // switch
[101e0bd]648 } // switch
[68cd1ce]649 } // if
[3848e0e]650}
651
[ba7aa2d]652DeclarationNode * DeclarationNode::addType( DeclarationNode * o ) {
[b87a5ed]653 if ( o ) {
[a7c90d4]654 checkSpecifiers( o );
655 copySpecifiers( o );
[b87a5ed]656 if ( o->type ) {
657 if ( ! type ) {
658 if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) {
659 type = new TypeData( TypeData::AggregateInst );
[8f6f47d7]660 type->aggInst.aggregate = o->type;
[b87a5ed]661 if ( o->type->kind == TypeData::Aggregate ) {
[43c89a7]662 type->aggInst.hoistType = o->type->aggregate.body;
[8f6f47d7]663 type->aggInst.params = maybeClone( o->type->aggregate.actuals );
[43c89a7]664 } else {
665 type->aggInst.hoistType = o->type->enumeration.body;
[68cd1ce]666 } // if
[6f95000]667 type->qualifiers |= o->type->qualifiers;
[b87a5ed]668 } else {
669 type = o->type;
[68cd1ce]670 } // if
[2298f728]671 o->type = nullptr;
[b87a5ed]672 } else {
673 addTypeToType( o->type, type );
[68cd1ce]674 } // if
675 } // if
[b87a5ed]676 if ( o->bitfieldWidth ) {
677 bitfieldWidth = o->bitfieldWidth;
[68cd1ce]678 } // if
[71bd8c6]679
680 // there may be typedefs chained onto the type
[1d4580a]681 if ( o->get_next() ) {
682 set_last( o->get_next()->clone() );
[1db21619]683 } // if
[68cd1ce]684 } // if
[b87a5ed]685 delete o;
[66406f3]686
[b87a5ed]687 return this;
[3848e0e]688}
689
[f135b50]690DeclarationNode * DeclarationNode::addEnumBase( DeclarationNode * o ) {
691 if ( o && o -> type) {
692 type->base= o->type;
693 }
694 delete o;
695 return this;
696}
697
[ba7aa2d]698DeclarationNode * DeclarationNode::addTypedef() {
699 TypeData * newtype = new TypeData( TypeData::Symbolic );
[2298f728]700 newtype->symbolic.params = nullptr;
[8f6f47d7]701 newtype->symbolic.isTypedef = true;
[2298f728]702 newtype->symbolic.name = name ? new string( *name ) : nullptr;
[b87a5ed]703 newtype->base = type;
704 type = newtype;
705 return this;
[3848e0e]706}
707
[ba7aa2d]708DeclarationNode * DeclarationNode::addAssertions( DeclarationNode * assertions ) {
[07de76b]709 if ( variable.tyClass != TypeDecl::NUMBER_OF_KINDS ) {
[2298f728]710 if ( variable.assertions ) {
711 variable.assertions->appendList( assertions );
712 } else {
713 variable.assertions = assertions;
714 } // if
715 return this;
716 } // if
717
[b87a5ed]718 assert( type );
719 switch ( type->kind ) {
720 case TypeData::Symbolic:
[8f6f47d7]721 if ( type->symbolic.assertions ) {
722 type->symbolic.assertions->appendList( assertions );
[b87a5ed]723 } else {
[8f6f47d7]724 type->symbolic.assertions = assertions;
[68cd1ce]725 } // if
[b87a5ed]726 break;
727 default:
728 assert( false );
[68cd1ce]729 } // switch
[974906e2]730
[b87a5ed]731 return this;
[51b73452]732}
733
[fb114fa1]734DeclarationNode * DeclarationNode::addName( string * newname ) {
[2298f728]735 assert( ! name );
736 name = newname;
[b87a5ed]737 return this;
[51b73452]738}
739
[c0aa336]740DeclarationNode * DeclarationNode::addAsmName( DeclarationNode * newname ) {
[58dd019]741 assert( ! asmName );
[c0aa336]742 asmName = newname ? newname->asmName : nullptr;
743 return this->addQualifiers( newname );
[58dd019]744}
745
[ba7aa2d]746DeclarationNode * DeclarationNode::addBitfield( ExpressionNode * size ) {
[b87a5ed]747 bitfieldWidth = size;
748 return this;
[51b73452]749}
750
[ba7aa2d]751DeclarationNode * DeclarationNode::addVarArgs() {
[b87a5ed]752 assert( type );
753 hasEllipsis = true;
754 return this;
[51b73452]755}
756
[c453ac4]757DeclarationNode * DeclarationNode::addFunctionBody( StatementNode * body, ExpressionNode * withExprs ) {
[b87a5ed]758 assert( type );
759 assert( type->kind == TypeData::Function );
[2298f728]760 assert( ! type->function.body );
[8f6f47d7]761 type->function.body = body;
[c453ac4]762 type->function.withExprs = withExprs;
[b87a5ed]763 return this;
[51b73452]764}
765
[ba7aa2d]766DeclarationNode * DeclarationNode::addOldDeclList( DeclarationNode * list ) {
[b87a5ed]767 assert( type );
768 assert( type->kind == TypeData::Function );
[2298f728]769 assert( ! type->function.oldDeclList );
[8f6f47d7]770 type->function.oldDeclList = list;
[b87a5ed]771 return this;
[51b73452]772}
773
[c0aa336]774DeclarationNode * DeclarationNode::setBase( TypeData * newType ) {
[b87a5ed]775 if ( type ) {
[ba7aa2d]776 TypeData * prevBase = type;
777 TypeData * curBase = type->base;
[2298f728]778 while ( curBase != nullptr ) {
[b87a5ed]779 prevBase = curBase;
780 curBase = curBase->base;
[68cd1ce]781 } // while
[b87a5ed]782 prevBase->base = newType;
783 } else {
784 type = newType;
[68cd1ce]785 } // if
[c0aa336]786 return this;
[3848e0e]787}
788
[c0aa336]789DeclarationNode * DeclarationNode::copyAttribute( DeclarationNode * a ) {
790 if ( a ) {
791 for ( Attribute *attr: reverseIterate( a->attributes ) ) {
792 attributes.push_front( attr );
793 } // for
794 a->attributes.clear();
795 } // if
796 return this;
797} // copyAttribute
798
[ba7aa2d]799DeclarationNode * DeclarationNode::addPointer( DeclarationNode * p ) {
[b87a5ed]800 if ( p ) {
[6926a6d]801 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
[c0aa336]802 setBase( p->type );
[2298f728]803 p->type = nullptr;
[c0aa336]804 copyAttribute( p );
[b87a5ed]805 delete p;
[68cd1ce]806 } // if
[b87a5ed]807 return this;
[3848e0e]808}
809
[ba7aa2d]810DeclarationNode * DeclarationNode::addArray( DeclarationNode * a ) {
[b87a5ed]811 if ( a ) {
812 assert( a->type->kind == TypeData::Array );
[c0aa336]813 setBase( a->type );
[2298f728]814 a->type = nullptr;
[c0aa336]815 copyAttribute( a );
[b87a5ed]816 delete a;
[68cd1ce]817 } // if
[b87a5ed]818 return this;
[51b73452]819}
820
[ba7aa2d]821DeclarationNode * DeclarationNode::addNewPointer( DeclarationNode * p ) {
[b87a5ed]822 if ( p ) {
[e6cee92]823 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
[b87a5ed]824 if ( type ) {
825 switch ( type->kind ) {
826 case TypeData::Aggregate:
827 case TypeData::Enum:
828 p->type->base = new TypeData( TypeData::AggregateInst );
[8f6f47d7]829 p->type->base->aggInst.aggregate = type;
[b87a5ed]830 if ( type->kind == TypeData::Aggregate ) {
[8f6f47d7]831 p->type->base->aggInst.params = maybeClone( type->aggregate.actuals );
[68cd1ce]832 } // if
[6f95000]833 p->type->base->qualifiers |= type->qualifiers;
[b87a5ed]834 break;
835
836 default:
837 p->type->base = type;
[68cd1ce]838 } // switch
[2298f728]839 type = nullptr;
[68cd1ce]840 } // if
[b87a5ed]841 delete this;
842 return p;
843 } else {
844 return this;
[68cd1ce]845 } // if
[51b73452]846}
847
[ba7aa2d]848static TypeData * findLast( TypeData * a ) {
[b87a5ed]849 assert( a );
[ba7aa2d]850 TypeData * cur = a;
[a32b204]851 while ( cur->base ) {
[b87a5ed]852 cur = cur->base;
[68cd1ce]853 } // while
[b87a5ed]854 return cur;
[3848e0e]855}
856
[ba7aa2d]857DeclarationNode * DeclarationNode::addNewArray( DeclarationNode * a ) {
[738e304]858 if ( ! a ) return this;
859 assert( a->type->kind == TypeData::Array );
860 TypeData * lastArray = findLast( a->type );
861 if ( type ) {
862 switch ( type->kind ) {
863 case TypeData::Aggregate:
864 case TypeData::Enum:
865 lastArray->base = new TypeData( TypeData::AggregateInst );
866 lastArray->base->aggInst.aggregate = type;
867 if ( type->kind == TypeData::Aggregate ) {
868 lastArray->base->aggInst.params = maybeClone( type->aggregate.actuals );
869 } // if
[6f95000]870 lastArray->base->qualifiers |= type->qualifiers;
[738e304]871 break;
872 default:
873 lastArray->base = type;
874 } // switch
875 type = nullptr;
[68cd1ce]876 } // if
[738e304]877 delete this;
878 return a;
[51b73452]879}
[3848e0e]880
[ba7aa2d]881DeclarationNode * DeclarationNode::addParamList( DeclarationNode * params ) {
882 TypeData * ftype = new TypeData( TypeData::Function );
[8f6f47d7]883 ftype->function.params = params;
[c0aa336]884 setBase( ftype );
[b87a5ed]885 return this;
[3848e0e]886}
887
[ba7aa2d]888static TypeData * addIdListToType( TypeData * type, DeclarationNode * ids ) {
[b87a5ed]889 if ( type ) {
890 if ( type->kind != TypeData::Function ) {
891 type->base = addIdListToType( type->base, ids );
892 } else {
[8f6f47d7]893 type->function.idList = ids;
[68cd1ce]894 } // if
[b87a5ed]895 return type;
[3848e0e]896 } else {
[ba7aa2d]897 TypeData * newtype = new TypeData( TypeData::Function );
[8f6f47d7]898 newtype->function.idList = ids;
[b87a5ed]899 return newtype;
[68cd1ce]900 } // if
[2298f728]901} // addIdListToType
[974906e2]902
[ba7aa2d]903DeclarationNode * DeclarationNode::addIdList( DeclarationNode * ids ) {
[b87a5ed]904 type = addIdListToType( type, ids );
905 return this;
[3848e0e]906}
907
[ba7aa2d]908DeclarationNode * DeclarationNode::addInitializer( InitializerNode * init ) {
[b87a5ed]909 initializer = init;
910 return this;
[3848e0e]911}
912
[67cf18c]913DeclarationNode * DeclarationNode::addTypeInitializer( DeclarationNode * init ) {
[07de76b]914 assertf( variable.tyClass != TypeDecl::NUMBER_OF_KINDS, "Called addTypeInitializer on something that isn't a type variable." );
[67cf18c]915 variable.initializer = init;
916 return this;
917}
918
[a46b69c]919DeclarationNode * DeclarationNode::cloneType( string * name ) {
920 DeclarationNode * newnode = newName( name );
[b87a5ed]921 newnode->type = maybeClone( type );
[a7c90d4]922 newnode->copySpecifiers( this );
[b87a5ed]923 return newnode;
[3848e0e]924}
925
[2298f728]926DeclarationNode * DeclarationNode::cloneBaseType( DeclarationNode * o ) {
927 if ( ! o ) return nullptr;
928
[a7c90d4]929 o->copySpecifiers( this );
[2298f728]930 if ( type ) {
931 TypeData * srcType = type;
932
[c0aa336]933 // search for the base type by scanning off pointers and array designators
[2298f728]934 while ( srcType->base ) {
935 srcType = srcType->base;
936 } // while
937
938 TypeData * newType = srcType->clone();
939 if ( newType->kind == TypeData::AggregateInst ) {
940 // don't duplicate members
941 if ( newType->aggInst.aggregate->kind == TypeData::Enum ) {
942 delete newType->aggInst.aggregate->enumeration.constants;
943 newType->aggInst.aggregate->enumeration.constants = nullptr;
[b2da0574]944 newType->aggInst.aggregate->enumeration.body = false;
[b87a5ed]945 } else {
[2298f728]946 assert( newType->aggInst.aggregate->kind == TypeData::Aggregate );
947 delete newType->aggInst.aggregate->aggregate.fields;
948 newType->aggInst.aggregate->aggregate.fields = nullptr;
[b2da0574]949 newType->aggInst.aggregate->aggregate.body = false;
[68cd1ce]950 } // if
[43c89a7]951 // don't hoist twice
952 newType->aggInst.hoistType = false;
[68cd1ce]953 } // if
[2298f728]954
955 newType->forall = maybeClone( type->forall );
956 if ( ! o->type ) {
957 o->type = newType;
958 } else {
959 addTypeToType( newType, o->type );
960 delete newType;
961 } // if
[68cd1ce]962 } // if
[b87a5ed]963 return o;
[51b73452]964}
965
[ba7aa2d]966DeclarationNode * DeclarationNode::extractAggregate() const {
[b87a5ed]967 if ( type ) {
[ba7aa2d]968 TypeData * ret = typeextractAggregate( type );
[b87a5ed]969 if ( ret ) {
[ba7aa2d]970 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]971 newnode->type = ret;
972 return newnode;
[843054c2]973 } // if
974 } // if
[2298f728]975 return nullptr;
[3848e0e]976}
977
[f2f512ba]978void buildList( const DeclarationNode * firstNode, std::list< Declaration * > & outputList ) {
[a16764a6]979 SemanticErrorException errors;
[7880579]980 std::back_insert_iterator< std::list< Declaration * > > out( outputList );
[2298f728]981
[3a5131ed]982 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
[b87a5ed]983 try {
[3d7e53b]984 bool extracted = false;
985 bool anon = false;
[ba7aa2d]986 if ( DeclarationNode * extr = cur->extractAggregate() ) {
[b87a5ed]987 // handle the case where a structure declaration is contained within an object or type declaration
[ba7aa2d]988 Declaration * decl = extr->build();
[b87a5ed]989 if ( decl ) {
[3d7e53b]990 // hoist the structure declaration
[294647b]991 decl->location = cur->location;
[ba7aa2d]992 * out++ = decl;
[3d7e53b]993
994 // need to remember the cases where a declaration contains an anonymous aggregate definition
995 extracted = true;
996 assert( extr->type );
997 if ( extr->type->kind == TypeData::Aggregate ) {
998 anon = extr->type->aggregate.anon;
999 } else if ( extr->type->kind == TypeData::Enum ) {
1000 // xxx - is it useful to have an implicit anonymous enum member?
1001 anon = extr->type->enumeration.anon;
1002 }
[843054c2]1003 } // if
[f39096c]1004 delete extr;
[843054c2]1005 } // if
[2298f728]1006
[ba7aa2d]1007 Declaration * decl = cur->build();
[b87a5ed]1008 if ( decl ) {
[3d7e53b]1009 // don't include anonymous declaration for named aggregates, but do include them for anonymous aggregates, e.g.:
1010 // struct S {
1011 // struct T { int x; }; // no anonymous member
1012 // struct { int y; }; // anonymous member
1013 // struct T; // anonymous member
1014 // };
[e07caa2]1015 if ( ! (extracted && decl->name == "" && ! anon && ! cur->get_inLine()) ) {
1016 if ( decl->name == "" ) {
[2e02851]1017 if ( DeclarationWithType * dwt = dynamic_cast<DeclarationWithType *>( decl ) ) {
1018 if ( ReferenceToType * aggr = dynamic_cast<ReferenceToType *>( dwt->get_type() ) ) {
1019 if ( aggr->name.find("anonymous") == std::string::npos ) {
[e07caa2]1020 if ( ! cur->get_inLine() ) {
1021 // temporary: warn about anonymous member declarations of named types, since
1022 // this conflicts with the syntax for the forward declaration of an anonymous type
[2e02851]1023 SemanticWarning( cur->location, Warning::AggrForwardDecl, aggr->name.c_str() );
[e07caa2]1024 } // if
1025 } // if
1026 } // if
1027 } // if
1028 } // if
[3d7e53b]1029 decl->location = cur->location;
[e07caa2]1030 *out++ = decl;
1031 } // if
[843054c2]1032 } // if
[f2f512ba]1033 } catch( SemanticErrorException & e ) {
[b87a5ed]1034 errors.append( e );
[843054c2]1035 } // try
[e07caa2]1036 } // for
[2298f728]1037
[b87a5ed]1038 if ( ! errors.isEmpty() ) {
1039 throw errors;
[843054c2]1040 } // if
[2298f728]1041} // buildList
[3848e0e]1042
[3d7e53b]1043// currently only builds assertions, function parameters, and return values
[f2f512ba]1044void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > & outputList ) {
[a16764a6]1045 SemanticErrorException errors;
[7880579]1046 std::back_insert_iterator< std::list< DeclarationWithType * > > out( outputList );
[43c89a7]1047
[3a5131ed]1048 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
[b87a5ed]1049 try {
[ba7aa2d]1050 Declaration * decl = cur->build();
[47498bd]1051 assert( decl );
1052 if ( DeclarationWithType * dwt = dynamic_cast< DeclarationWithType * >( decl ) ) {
1053 dwt->location = cur->location;
[3ca7ef3]1054 *out++ = dwt;
[47498bd]1055 } else if ( StructDecl * agg = dynamic_cast< StructDecl * >( decl ) ) {
[3d7e53b]1056 // e.g., int foo(struct S) {}
[47498bd]1057 StructInstType * inst = new StructInstType( Type::Qualifiers(), agg->name );
1058 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1059 obj->location = cur->location;
[3ca7ef3]1060 *out++ = obj;
[47498bd]1061 delete agg;
1062 } else if ( UnionDecl * agg = dynamic_cast< UnionDecl * >( decl ) ) {
[3d7e53b]1063 // e.g., int foo(union U) {}
[47498bd]1064 UnionInstType * inst = new UnionInstType( Type::Qualifiers(), agg->name );
1065 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1066 obj->location = cur->location;
[3ca7ef3]1067 *out++ = obj;
[3d7e53b]1068 } else if ( EnumDecl * agg = dynamic_cast< EnumDecl * >( decl ) ) {
1069 // e.g., int foo(enum E) {}
1070 EnumInstType * inst = new EnumInstType( Type::Qualifiers(), agg->name );
1071 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1072 obj->location = cur->location;
[3ca7ef3]1073 *out++ = obj;
[843054c2]1074 } // if
[f2f512ba]1075 } catch( SemanticErrorException & e ) {
[b87a5ed]1076 errors.append( e );
[843054c2]1077 } // try
[3a5131ed]1078 } // for
1079
[b87a5ed]1080 if ( ! errors.isEmpty() ) {
1081 throw errors;
[843054c2]1082 } // if
[2298f728]1083} // buildList
[3848e0e]1084
[f2f512ba]1085void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > & outputList ) {
[a16764a6]1086 SemanticErrorException errors;
[7880579]1087 std::back_insert_iterator< std::list< Type * > > out( outputList );
[ba7aa2d]1088 const DeclarationNode * cur = firstNode;
[2298f728]1089
[a32b204]1090 while ( cur ) {
[b87a5ed]1091 try {
[ba7aa2d]1092 * out++ = cur->buildType();
[f2f512ba]1093 } catch( SemanticErrorException & e ) {
[b87a5ed]1094 errors.append( e );
[843054c2]1095 } // try
[7880579]1096 cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
[843054c2]1097 } // while
[2298f728]1098
[b87a5ed]1099 if ( ! errors.isEmpty() ) {
1100 throw errors;
[843054c2]1101 } // if
[2298f728]1102} // buildTypeList
[51b73452]1103
[ba7aa2d]1104Declaration * DeclarationNode::build() const {
[a16764a6]1105 if ( ! error.empty() ) SemanticError( this, error + " in declaration of " );
[2298f728]1106
[e994912]1107 if ( asmStmt ) {
[e3e16bc]1108 return new AsmDecl( strict_dynamic_cast<AsmStmt *>( asmStmt->build() ) );
[e994912]1109 } // if
[2d019af]1110 if ( directiveStmt ) {
1111 return new DirectiveDecl( strict_dynamic_cast<DirectiveStmt *>( directiveStmt->build() ) );
1112 } // if
[e994912]1113
[07de76b]1114 if ( variable.tyClass != TypeDecl::NUMBER_OF_KINDS ) {
[f0ecf9b]1115 // otype is internally converted to dtype + otype parameters
[68b52b0]1116 static const TypeDecl::Kind kindMap[] = { TypeDecl::Dtype, TypeDecl::Dtype, TypeDecl::Dtype, TypeDecl::Ftype, TypeDecl::Ttype, TypeDecl::Dimension };
[b66d14a]1117 static_assert( sizeof(kindMap) / sizeof(kindMap[0]) == TypeDecl::NUMBER_OF_KINDS, "DeclarationNode::build: kindMap is out of sync." );
[8f60f0b]1118 assertf( variable.tyClass < sizeof(kindMap)/sizeof(kindMap[0]), "Variable's tyClass is out of bounds." );
[68b52b0]1119 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]1120 buildList( variable.assertions, ret->get_assertions() );
1121 return ret;
1122 } // if
1123
[843054c2]1124 if ( type ) {
[dd020c0]1125 // Function specifiers can only appear on a function definition/declaration.
1126 //
1127 // inline _Noreturn int f(); // allowed
1128 // inline _Noreturn int g( int i ); // allowed
1129 // inline _Noreturn int i; // disallowed
[fb04321]1130 if ( type->kind != TypeData::Function && funcSpecs.any() ) {
[a16764a6]1131 SemanticError( this, "invalid function specifier for " );
[dd020c0]1132 } // if
[284da8c]1133 // Forall qualifier can only appear on a function/aggregate definition/declaration.
1134 //
1135 // forall int f(); // allowed
1136 // forall int g( int i ); // allowed
1137 // forall int i; // disallowed
1138 if ( type->kind != TypeData::Function && type->forall ) {
1139 SemanticError( this, "invalid type qualifier for " );
1140 } // if
[3ed994e]1141 bool isDelete = initializer && initializer->get_isDelete();
1142 Declaration * decl = buildDecl( type, name ? *name : string( "" ), storageClasses, maybeBuild< Expression >( bitfieldWidth ), funcSpecs, linkage, asmName, isDelete ? nullptr : maybeBuild< Initializer >(initializer), attributes )->set_extension( extension );
1143 if ( isDelete ) {
1144 DeclarationWithType * dwt = strict_dynamic_cast<DeclarationWithType *>( decl );
1145 dwt->isDeleted = true;
1146 }
1147 return decl;
[843054c2]1148 } // if
[2298f728]1149
[f6e3e34]1150 if ( assert.condition ) {
1151 return new StaticAssertDecl( maybeBuild< Expression >( assert.condition ), strict_dynamic_cast< ConstantExpr * >( maybeClone( assert.message ) ) );
1152 }
1153
[dd020c0]1154 // SUE's cannot have function specifiers, either
1155 //
[79aae15]1156 // inline _Noreturn struct S { ... }; // disallowed
1157 // inline _Noreturn enum E { ... }; // disallowed
[fb04321]1158 if ( funcSpecs.any() ) {
[a16764a6]1159 SemanticError( this, "invalid function specifier for " );
[843054c2]1160 } // if
[dd020c0]1161 assertf( name, "ObjectDecl must a have name\n" );
[a7c90d4]1162 return (new ObjectDecl( *name, storageClasses, linkage, maybeBuild< Expression >( bitfieldWidth ), nullptr, maybeBuild< Initializer >( initializer ) ))->set_asmName( asmName )->set_extension( extension );
[51b73452]1163}
1164
[ba7aa2d]1165Type * DeclarationNode::buildType() const {
[b87a5ed]1166 assert( type );
[974906e2]1167
[faddbd8]1168 if ( attr.expr ) {
[c0aa336]1169 return new AttrType( buildQualifiers( type ), *name, attr.expr->build(), attributes );
[faddbd8]1170 } else if ( attr.type ) {
[c0aa336]1171 return new AttrType( buildQualifiers( type ), *name, attr.type->buildType(), attributes );
[2298f728]1172 } // if
1173
[b87a5ed]1174 switch ( type->kind ) {
[43c89a7]1175 case TypeData::Enum:
[b87a5ed]1176 case TypeData::Aggregate: {
[fa4805f]1177 ReferenceToType * ret = buildComAggInst( type, attributes, linkage );
[8f6f47d7]1178 buildList( type->aggregate.actuals, ret->get_parameters() );
[b87a5ed]1179 return ret;
1180 }
1181 case TypeData::Symbolic: {
[c0aa336]1182 TypeInstType * ret = new TypeInstType( buildQualifiers( type ), *type->symbolic.name, false, attributes );
[8f6f47d7]1183 buildList( type->symbolic.actuals, ret->get_parameters() );
[b87a5ed]1184 return ret;
1185 }
1186 default:
[c0aa336]1187 Type * simpletypes = typebuild( type );
1188 simpletypes->get_attributes() = attributes; // copy because member is const
1189 return simpletypes;
[b87a5ed]1190 } // switch
[3848e0e]1191}
1192
[b87a5ed]1193// Local Variables: //
1194// tab-width: 4 //
1195// mode: c++ //
1196// compile-command: "make install" //
1197// End: //
Note: See TracBrowser for help on using the repository browser.