source: src/Parser/DeclarationNode.cc@ a196885

ADT arm-eh ast-experimental enum forall-pointer-decay jacob/cs343-translation new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since a196885 was 2d019af, checked in by Peter A. Buhr <pabuhr@…>, 5 years ago

parser global pragmas, fixes #241
  • Property mode set to 100644
File size: 39.6 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
[201aeb9]11// Last Modified By : Peter A. Buhr
[2d019af]12// Last Modified On : Fri Mar 12 18:35:37 2021
13// Update Count : 1141
[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
[28307be]80 delete type;
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 << ": ";
[b87a5ed]130 } else {
[2298f728]131 os << "unnamed: ";
[68cd1ce]132 } // if
[51b73452]133
[b87a5ed]134 if ( linkage != LinkageSpec::Cforall ) {
[d912bed]135 os << LinkageSpec::name( linkage ) << " ";
[68cd1ce]136 } // if
[3848e0e]137
[6e8bd43]138 storageClasses.print( os );
139 funcSpecs.print( os );
[dd020c0]140
[b87a5ed]141 if ( type ) {
142 type->print( os, indent );
143 } else {
144 os << "untyped entity ";
[68cd1ce]145 } // if
[3848e0e]146
[b87a5ed]147 if ( bitfieldWidth ) {
[59db689]148 os << endl << string( indent + 2, ' ' ) << "with bitfield width ";
[b87a5ed]149 bitfieldWidth->printOneLine( os );
[68cd1ce]150 } // if
[3848e0e]151
[2298f728]152 if ( initializer ) {
[59db689]153 os << endl << string( indent + 2, ' ' ) << "with initializer ";
[b87a5ed]154 initializer->printOneLine( os );
[974906e2]155 os << " maybe constructed? " << initializer->get_maybeConstructed();
156
[68cd1ce]157 } // if
[3848e0e]158
[b87a5ed]159 os << endl;
[51b73452]160}
161
[f2f512ba]162void DeclarationNode::printList( std::ostream & os, int indent ) const {
[b87a5ed]163 ParseNode::printList( os, indent );
164 if ( hasEllipsis ) {
165 os << string( indent, ' ' ) << "and a variable number of other arguments" << endl;
[68cd1ce]166 } // if
[51b73452]167}
168
[25bca42]169DeclarationNode * DeclarationNode::newFunction( const string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body ) {
[ba7aa2d]170 DeclarationNode * newnode = new DeclarationNode;
[2298f728]171 newnode->name = name;
[b87a5ed]172 newnode->type = new TypeData( TypeData::Function );
[8f6f47d7]173 newnode->type->function.params = param;
174 newnode->type->function.body = body;
[c0aa336]175
[b87a5ed]176 if ( ret ) {
177 newnode->type->base = ret->type;
[2298f728]178 ret->type = nullptr;
[b87a5ed]179 delete ret;
[68cd1ce]180 } // if
[51b73452]181
[b87a5ed]182 return newnode;
[984dce6]183} // DeclarationNode::newFunction
[3848e0e]184
[dd020c0]185
[68fe077a]186DeclarationNode * DeclarationNode::newStorageClass( Type::StorageClasses sc ) {
[ba7aa2d]187 DeclarationNode * newnode = new DeclarationNode;
[08d5507b]188 newnode->storageClasses = sc;
[b87a5ed]189 return newnode;
[dd020c0]190} // DeclarationNode::newStorageClass
[3848e0e]191
[ddfd945]192DeclarationNode * DeclarationNode::newFuncSpecifier( Type::FuncSpecifiers fs ) {
[ba7aa2d]193 DeclarationNode * newnode = new DeclarationNode;
[08d5507b]194 newnode->funcSpecs = fs;
[c1c1112]195 return newnode;
[dd020c0]196} // DeclarationNode::newFuncSpecifier
[c1c1112]197
[738e304]198DeclarationNode * DeclarationNode::newTypeQualifier( Type::Qualifiers tq ) {
[ba7aa2d]199 DeclarationNode * newnode = new DeclarationNode;
[dd020c0]200 newnode->type = new TypeData();
[738e304]201 newnode->type->qualifiers = tq;
[b87a5ed]202 return newnode;
[dd020c0]203} // DeclarationNode::newQualifier
[3848e0e]204
[c1c1112]205DeclarationNode * DeclarationNode::newBasicType( BasicType bt ) {
[ba7aa2d]206 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]207 newnode->type = new TypeData( TypeData::Basic );
[5b639ee]208 newnode->type->basictype = bt;
[b87a5ed]209 return newnode;
[984dce6]210} // DeclarationNode::newBasicType
[3848e0e]211
[5b639ee]212DeclarationNode * DeclarationNode::newComplexType( ComplexType ct ) {
[ba7aa2d]213 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]214 newnode->type = new TypeData( TypeData::Basic );
[5b639ee]215 newnode->type->complextype = ct;
[b87a5ed]216 return newnode;
[5b639ee]217} // DeclarationNode::newComplexType
218
219DeclarationNode * DeclarationNode::newSignedNess( Signedness sn ) {
[ba7aa2d]220 DeclarationNode * newnode = new DeclarationNode;
[5b639ee]221 newnode->type = new TypeData( TypeData::Basic );
222 newnode->type->signedness = sn;
223 return newnode;
224} // DeclarationNode::newSignedNess
225
226DeclarationNode * DeclarationNode::newLength( Length lnth ) {
[ba7aa2d]227 DeclarationNode * newnode = new DeclarationNode;
[5b639ee]228 newnode->type = new TypeData( TypeData::Basic );
229 newnode->type->length = lnth;
230 return newnode;
231} // DeclarationNode::newLength
[3848e0e]232
[dd020c0]233DeclarationNode * DeclarationNode::newForall( DeclarationNode * forall ) {
234 DeclarationNode * newnode = new DeclarationNode;
235 newnode->type = new TypeData( TypeData::Unknown );
236 newnode->type->forall = forall;
237 return newnode;
238} // DeclarationNode::newForall
239
[25bca42]240DeclarationNode * DeclarationNode::newFromTypedef( const string * name ) {
[ba7aa2d]241 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]242 newnode->type = new TypeData( TypeData::SymbolicInst );
[fb114fa1]243 newnode->type->symbolic.name = name;
[8f6f47d7]244 newnode->type->symbolic.isTypedef = true;
[2298f728]245 newnode->type->symbolic.params = nullptr;
[b87a5ed]246 return newnode;
[984dce6]247} // DeclarationNode::newFromTypedef
[3848e0e]248
[47498bd]249DeclarationNode * DeclarationNode::newFromGlobalScope() {
250 DeclarationNode * newnode = new DeclarationNode;
251 newnode->type = new TypeData( TypeData::GlobalScope );
252 return newnode;
253}
254
[c5d7701]255DeclarationNode * DeclarationNode::newQualifiedType( DeclarationNode * parent, DeclarationNode * child) {
[c194661]256 DeclarationNode * newnode = new DeclarationNode;
257 newnode->type = new TypeData( TypeData::Qualified );
258 newnode->type->qualified.parent = parent->type;
259 newnode->type->qualified.child = child->type;
260 parent->type = nullptr;
261 child->type = nullptr;
262 delete parent;
263 delete child;
264 return newnode;
[c5d7701]265}
266
[312029a]267DeclarationNode * DeclarationNode::newAggregate( AggregateDecl::Aggregate kind, const string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body ) {
[ba7aa2d]268 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]269 newnode->type = new TypeData( TypeData::Aggregate );
[8f6f47d7]270 newnode->type->aggregate.kind = kind;
[3d7e53b]271 newnode->type->aggregate.name = name == nullptr ? new string( DeclarationNode::anonymous.newName() ) : name;
[8f6f47d7]272 newnode->type->aggregate.actuals = actuals;
273 newnode->type->aggregate.fields = fields;
274 newnode->type->aggregate.body = body;
[6ea87486]275 newnode->type->aggregate.tagged = false;
276 newnode->type->aggregate.parent = nullptr;
[3d7e53b]277 newnode->type->aggregate.anon = name == nullptr;
[b87a5ed]278 return newnode;
[984dce6]279} // DeclarationNode::newAggregate
[3848e0e]280
[25bca42]281DeclarationNode * DeclarationNode::newEnum( const string * name, DeclarationNode * constants, bool body ) {
[ba7aa2d]282 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]283 newnode->type = new TypeData( TypeData::Enum );
[3d7e53b]284 newnode->type->enumeration.name = name == nullptr ? new string( DeclarationNode::anonymous.newName() ) : name;
[8f6f47d7]285 newnode->type->enumeration.constants = constants;
[ca1a547]286 newnode->type->enumeration.body = body;
[3d7e53b]287 newnode->type->enumeration.anon = name == nullptr;
[b87a5ed]288 return newnode;
[984dce6]289} // DeclarationNode::newEnum
[3848e0e]290
[25bca42]291DeclarationNode * DeclarationNode::newEnumConstant( const string * name, ExpressionNode * constant ) {
[ba7aa2d]292 DeclarationNode * newnode = new DeclarationNode;
[2298f728]293 newnode->name = name;
[4f147cc]294 newnode->enumeratorValue.reset( constant );
[b87a5ed]295 return newnode;
[984dce6]296} // DeclarationNode::newEnumConstant
[3848e0e]297
[25bca42]298DeclarationNode * DeclarationNode::newName( const string * name ) {
[ba7aa2d]299 DeclarationNode * newnode = new DeclarationNode;
[2298f728]300 newnode->name = name;
[b87a5ed]301 return newnode;
[984dce6]302} // DeclarationNode::newName
[3848e0e]303
[25bca42]304DeclarationNode * DeclarationNode::newFromTypeGen( const string * name, ExpressionNode * params ) {
[ba7aa2d]305 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]306 newnode->type = new TypeData( TypeData::SymbolicInst );
[fb114fa1]307 newnode->type->symbolic.name = name;
[8f6f47d7]308 newnode->type->symbolic.isTypedef = false;
309 newnode->type->symbolic.actuals = params;
[b87a5ed]310 return newnode;
[984dce6]311} // DeclarationNode::newFromTypeGen
[3848e0e]312
[07de76b]313DeclarationNode * DeclarationNode::newTypeParam( TypeDecl::Kind tc, const string * name ) {
[ba7aa2d]314 DeclarationNode * newnode = new DeclarationNode;
[2298f728]315 newnode->type = nullptr;
[148f7290]316 assert( ! newnode->name );
[faddbd8]317// newnode->variable.name = name;
318 newnode->name = name;
[28307be]319 newnode->variable.tyClass = tc;
[faddbd8]320 newnode->variable.assertions = nullptr;
[b87a5ed]321 return newnode;
[984dce6]322} // DeclarationNode::newTypeParam
[3848e0e]323
[fb114fa1]324DeclarationNode * DeclarationNode::newTrait( const string * name, DeclarationNode * params, DeclarationNode * asserts ) {
[ba7aa2d]325 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]326 newnode->type = new TypeData( TypeData::Aggregate );
[2298f728]327 newnode->type->aggregate.name = name;
[312029a]328 newnode->type->aggregate.kind = AggregateDecl::Trait;
[8f6f47d7]329 newnode->type->aggregate.params = params;
330 newnode->type->aggregate.fields = asserts;
[b87a5ed]331 return newnode;
[984dce6]332} // DeclarationNode::newTrait
[3848e0e]333
[fb114fa1]334DeclarationNode * DeclarationNode::newTraitUse( const string * name, ExpressionNode * params ) {
[ba7aa2d]335 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]336 newnode->type = new TypeData( TypeData::AggregateInst );
[8f6f47d7]337 newnode->type->aggInst.aggregate = new TypeData( TypeData::Aggregate );
[312029a]338 newnode->type->aggInst.aggregate->aggregate.kind = AggregateDecl::Trait;
[2298f728]339 newnode->type->aggInst.aggregate->aggregate.name = name;
[8f6f47d7]340 newnode->type->aggInst.params = params;
[b87a5ed]341 return newnode;
[984dce6]342} // DeclarationNode::newTraitUse
[3848e0e]343
[25bca42]344DeclarationNode * DeclarationNode::newTypeDecl( const string * name, DeclarationNode * typeParams ) {
[ba7aa2d]345 DeclarationNode * newnode = new DeclarationNode;
[1395748]346 newnode->name = name;
[b87a5ed]347 newnode->type = new TypeData( TypeData::Symbolic );
[8f6f47d7]348 newnode->type->symbolic.isTypedef = false;
349 newnode->type->symbolic.params = typeParams;
[b87a5ed]350 return newnode;
[984dce6]351} // DeclarationNode::newTypeDecl
[3848e0e]352
[ce8c12f]353DeclarationNode * DeclarationNode::newPointer( DeclarationNode * qualifiers, OperKinds kind ) {
[ba7aa2d]354 DeclarationNode * newnode = new DeclarationNode;
[ce8c12f]355 newnode->type = new TypeData( kind == OperKinds::PointTo ? TypeData::Pointer : TypeData::Reference );
[71d0eab]356 if ( kind == OperKinds::And ) {
357 // T && is parsed as 'And' operator rather than two references => add a second reference type
358 TypeData * td = new TypeData( TypeData::Reference );
359 td->base = newnode->type;
360 newnode->type = td;
361 }
[c3396e0]362 if ( qualifiers ) {
363 return newnode->addQualifiers( qualifiers );
364 } else {
365 return newnode;
366 } // if
[984dce6]367} // DeclarationNode::newPointer
[3848e0e]368
[ba7aa2d]369DeclarationNode * DeclarationNode::newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic ) {
370 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]371 newnode->type = new TypeData( TypeData::Array );
[8f6f47d7]372 newnode->type->array.dimension = size;
373 newnode->type->array.isStatic = isStatic;
[2298f728]374 if ( newnode->type->array.dimension == nullptr || newnode->type->array.dimension->isExpressionType<ConstantExpr * >() ) {
[8f6f47d7]375 newnode->type->array.isVarLen = false;
[71bd8c6]376 } else {
[8f6f47d7]377 newnode->type->array.isVarLen = true;
[71bd8c6]378 } // if
[b87a5ed]379 return newnode->addQualifiers( qualifiers );
[984dce6]380} // DeclarationNode::newArray
[3848e0e]381
[ba7aa2d]382DeclarationNode * DeclarationNode::newVarArray( DeclarationNode * qualifiers ) {
383 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]384 newnode->type = new TypeData( TypeData::Array );
[2298f728]385 newnode->type->array.dimension = nullptr;
[8f6f47d7]386 newnode->type->array.isStatic = false;
387 newnode->type->array.isVarLen = true;
[b87a5ed]388 return newnode->addQualifiers( qualifiers );
[3848e0e]389}
390
[ba7aa2d]391DeclarationNode * DeclarationNode::newBitfield( ExpressionNode * size ) {
392 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]393 newnode->bitfieldWidth = size;
394 return newnode;
[3848e0e]395}
396
[ba7aa2d]397DeclarationNode * DeclarationNode::newTuple( DeclarationNode * members ) {
398 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]399 newnode->type = new TypeData( TypeData::Tuple );
[8f6f47d7]400 newnode->type->tuple = members;
[b87a5ed]401 return newnode;
[3848e0e]402}
403
[f855545]404DeclarationNode * DeclarationNode::newTypeof( ExpressionNode * expr, bool basetypeof ) {
[ba7aa2d]405 DeclarationNode * newnode = new DeclarationNode;
[f855545]406 newnode->type = new TypeData( basetypeof ? TypeData::Basetypeof : TypeData::Typeof );
[8f6f47d7]407 newnode->type->typeexpr = expr;
[b87a5ed]408 return newnode;
[3848e0e]409}
410
[8f6f47d7]411DeclarationNode * DeclarationNode::newBuiltinType( BuiltinType bt ) {
[ba7aa2d]412 DeclarationNode * newnode = new DeclarationNode;
[8f6f47d7]413 newnode->type = new TypeData( TypeData::Builtin );
414 newnode->builtin = bt;
[148f7290]415 newnode->type->builtintype = newnode->builtin;
[8f6f47d7]416 return newnode;
417} // DeclarationNode::newBuiltinType
418
[25bca42]419DeclarationNode * DeclarationNode::newAttribute( const string * name, ExpressionNode * expr ) {
[44a81853]420 DeclarationNode * newnode = new DeclarationNode;
421 newnode->type = nullptr;
422 std::list< Expression * > exprs;
423 buildList( expr, exprs );
424 newnode->attributes.push_back( new Attribute( *name, exprs ) );
425 delete name;
426 return newnode;
427}
428
[2d019af]429DeclarationNode * DeclarationNode::newDirectiveStmt( StatementNode * stmt ) {
430 DeclarationNode * newnode = new DeclarationNode;
431 newnode->directiveStmt = stmt;
432 return newnode;
433}
434
[e994912]435DeclarationNode * DeclarationNode::newAsmStmt( StatementNode * stmt ) {
436 DeclarationNode * newnode = new DeclarationNode;
437 newnode->asmStmt = stmt;
438 return newnode;
439}
440
[f6e3e34]441DeclarationNode * DeclarationNode::newStaticAssert( ExpressionNode * condition, Expression * message ) {
442 DeclarationNode * newnode = new DeclarationNode;
443 newnode->assert.condition = condition;
444 newnode->assert.message = message;
445 return newnode;
446}
447
448
[5b639ee]449void appendError( string & dst, const string & src ) {
450 if ( src.empty() ) return;
451 if ( dst.empty() ) { dst = src; return; }
452 dst += ", " + src;
453} // appendError
454
[ba7aa2d]455void DeclarationNode::checkQualifiers( const TypeData * src, const TypeData * dst ) {
[738e304]456 const Type::Qualifiers qsrc = src->qualifiers, qdst = dst->qualifiers; // optimization
[c1c1112]457
[6f95000]458 if ( (qsrc & qdst).any() ) { // duplicates ?
[738e304]459 for ( unsigned int i = 0; i < Type::NumTypeQualifier; i += 1 ) { // find duplicates
[5b639ee]460 if ( qsrc[i] && qdst[i] ) {
[615a096]461 appendError( error, string( "duplicate " ) + Type::QualifiersNames[i] );
[c1c1112]462 } // if
463 } // for
[a7c90d4]464 } // for
[c1c1112]465} // DeclarationNode::checkQualifiers
466
[a7c90d4]467void DeclarationNode::checkSpecifiers( DeclarationNode * src ) {
[6f95000]468 if ( (funcSpecs & src->funcSpecs).any() ) { // duplicates ?
[ddfd945]469 for ( unsigned int i = 0; i < Type::NumFuncSpecifier; i += 1 ) { // find duplicates
[a7c90d4]470 if ( funcSpecs[i] && src->funcSpecs[i] ) {
[615a096]471 appendError( error, string( "duplicate " ) + Type::FuncSpecifiersNames[i] );
[dd020c0]472 } // if
473 } // for
474 } // if
475
[6e8bd43]476 if ( storageClasses.any() && src->storageClasses.any() ) { // any reason to check ?
[6f95000]477 if ( (storageClasses & src->storageClasses ).any() ) { // duplicates ?
[68fe077a]478 for ( unsigned int i = 0; i < Type::NumStorageClass; i += 1 ) { // find duplicates
[a7c90d4]479 if ( storageClasses[i] && src->storageClasses[i] ) {
[615a096]480 appendError( error, string( "duplicate " ) + Type::StorageClassesNames[i] );
[a7c90d4]481 } // if
482 } // for
483 // src is the new item being added and has a single bit
[08d5507b]484 } else if ( ! src->storageClasses.is_threadlocal ) { // conflict ?
[615a096]485 appendError( error, string( "conflicting " ) + Type::StorageClassesNames[storageClasses.ffs()] +
486 " & " + Type::StorageClassesNames[src->storageClasses.ffs()] );
[6f95000]487 src->storageClasses.reset(); // FIX to preserve invariant of one basic storage specifier
[b6424d9]488 } // if
489 } // if
[dd020c0]490
[a7c90d4]491 appendError( error, src->error );
492} // DeclarationNode::checkSpecifiers
[b6424d9]493
[a7c90d4]494DeclarationNode * DeclarationNode::copySpecifiers( DeclarationNode * q ) {
[6f95000]495 funcSpecs |= q->funcSpecs;
496 storageClasses |= q->storageClasses;
[c0aa336]497
498 for ( Attribute *attr: reverseIterate( q->attributes ) ) {
499 attributes.push_front( attr->clone() );
500 } // for
[b6424d9]501 return this;
[a7c90d4]502} // DeclarationNode::copySpecifiers
[b6424d9]503
[f2f512ba]504static void addQualifiersToType( TypeData *& src, TypeData * dst ) {
[101e0bd]505 if ( dst->base ) {
506 addQualifiersToType( src, dst->base );
507 } else if ( dst->kind == TypeData::Function ) {
508 dst->base = src;
[2298f728]509 src = nullptr;
[101e0bd]510 } else {
[6f95000]511 dst->qualifiers |= src->qualifiers;
[101e0bd]512 } // if
513} // addQualifiersToType
514
[ba7aa2d]515DeclarationNode * DeclarationNode::addQualifiers( DeclarationNode * q ) {
[af9da5f]516 if ( ! q ) { return this; } // empty qualifier
[101e0bd]517
[a7c90d4]518 checkSpecifiers( q );
519 copySpecifiers( q );
[101e0bd]520
[c38ae92]521 if ( ! q->type ) { delete q; return this; }
[101e0bd]522
523 if ( ! type ) {
[c38ae92]524 type = q->type; // reuse structure
[1b772749]525 q->type = nullptr;
526 delete q;
[101e0bd]527 return this;
528 } // if
529
[c38ae92]530 if ( q->type->forall ) { // forall qualifier ?
531 if ( type->forall ) { // polymorphic routine ?
532 type->forall->appendList( q->type->forall ); // augment forall qualifier
[101e0bd]533 } else {
[c38ae92]534 if ( type->kind == TypeData::Aggregate ) { // struct/union ?
535 if ( type->aggregate.params ) { // polymorphic ?
536 type->aggregate.params->appendList( q->type->forall ); // augment forall qualifier
537 } else { // not polymorphic
[a1c9ddd]538 type->aggregate.params = q->type->forall; // set forall qualifier
[c38ae92]539 } // if
540 } else { // not polymorphic
541 type->forall = q->type->forall; // make polymorphic routine
[68cd1ce]542 } // if
543 } // if
[c38ae92]544 q->type->forall = nullptr; // forall qualifier moved
[68cd1ce]545 } // if
[6ef2d81]546
[a7c90d4]547 checkQualifiers( type, q->type );
[af9da5f]548 if ( (builtin == Zero || builtin == One) && q->type->qualifiers.val != 0 && error.length() == 0 ) {
[f14d956]549 SemanticWarning( yylloc, Warning::BadQualifiersZeroOne, Type::QualifiersNames[ilog2( q->type->qualifiers.val )], builtinTypeNames[builtin] );
[9dc31c10]550 } // if
[6ef2d81]551 addQualifiersToType( q->type, type );
552
[b87a5ed]553 delete q;
554 return this;
[101e0bd]555} // addQualifiers
[3848e0e]556
[f2f512ba]557static void addTypeToType( TypeData *& src, TypeData *& dst ) {
[101e0bd]558 if ( src->forall && dst->kind == TypeData::Function ) {
559 if ( dst->forall ) {
560 dst->forall->appendList( src->forall );
[b87a5ed]561 } else {
[101e0bd]562 dst->forall = src->forall;
563 } // if
[2298f728]564 src->forall = nullptr;
[101e0bd]565 } // if
566 if ( dst->base ) {
567 addTypeToType( src, dst->base );
568 } else {
569 switch ( dst->kind ) {
570 case TypeData::Unknown:
[6f95000]571 src->qualifiers |= dst->qualifiers;
[101e0bd]572 dst = src;
[2298f728]573 src = nullptr;
[101e0bd]574 break;
575 case TypeData::Basic:
[6f95000]576 dst->qualifiers |= src->qualifiers;
[101e0bd]577 if ( src->kind != TypeData::Unknown ) {
578 assert( src->kind == TypeData::Basic );
579
580 if ( dst->basictype == DeclarationNode::NoBasicType ) {
581 dst->basictype = src->basictype;
582 } else if ( src->basictype != DeclarationNode::NoBasicType )
[a16764a6]583 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::basicTypeNames[ src->basictype ] + " in type: " );
[101e0bd]584
585 if ( dst->complextype == DeclarationNode::NoComplexType ) {
586 dst->complextype = src->complextype;
587 } else if ( src->complextype != DeclarationNode::NoComplexType )
[a16764a6]588 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::complexTypeNames[ src->complextype ] + " in type: " );
[101e0bd]589
590 if ( dst->signedness == DeclarationNode::NoSignedness ) {
591 dst->signedness = src->signedness;
592 } else if ( src->signedness != DeclarationNode::NoSignedness )
[a16764a6]593 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::signednessNames[ src->signedness ] + " in type: " );
[101e0bd]594
595 if ( dst->length == DeclarationNode::NoLength ) {
596 dst->length = src->length;
597 } else if ( dst->length == DeclarationNode::Long && src->length == DeclarationNode::Long ) {
598 dst->length = DeclarationNode::LongLong;
599 } else if ( src->length != DeclarationNode::NoLength )
[a16764a6]600 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::lengthNames[ src->length ] + " in type: " );
[101e0bd]601 } // if
602 break;
603 default:
604 switch ( src->kind ) {
605 case TypeData::Aggregate:
606 case TypeData::Enum:
607 dst->base = new TypeData( TypeData::AggregateInst );
608 dst->base->aggInst.aggregate = src;
609 if ( src->kind == TypeData::Aggregate ) {
610 dst->base->aggInst.params = maybeClone( src->aggregate.actuals );
[68cd1ce]611 } // if
[6f95000]612 dst->base->qualifiers |= src->qualifiers;
[2298f728]613 src = nullptr;
[b87a5ed]614 break;
615 default:
[101e0bd]616 if ( dst->forall ) {
617 dst->forall->appendList( src->forall );
618 } else {
619 dst->forall = src->forall;
620 } // if
[2298f728]621 src->forall = nullptr;
[101e0bd]622 dst->base = src;
[2298f728]623 src = nullptr;
[68cd1ce]624 } // switch
[101e0bd]625 } // switch
[68cd1ce]626 } // if
[3848e0e]627}
628
[ba7aa2d]629DeclarationNode * DeclarationNode::addType( DeclarationNode * o ) {
[b87a5ed]630 if ( o ) {
[a7c90d4]631 checkSpecifiers( o );
632 copySpecifiers( o );
[b87a5ed]633 if ( o->type ) {
634 if ( ! type ) {
635 if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) {
636 type = new TypeData( TypeData::AggregateInst );
[8f6f47d7]637 type->aggInst.aggregate = o->type;
[b87a5ed]638 if ( o->type->kind == TypeData::Aggregate ) {
[43c89a7]639 type->aggInst.hoistType = o->type->aggregate.body;
[8f6f47d7]640 type->aggInst.params = maybeClone( o->type->aggregate.actuals );
[43c89a7]641 } else {
642 type->aggInst.hoistType = o->type->enumeration.body;
[68cd1ce]643 } // if
[6f95000]644 type->qualifiers |= o->type->qualifiers;
[b87a5ed]645 } else {
646 type = o->type;
[68cd1ce]647 } // if
[2298f728]648 o->type = nullptr;
[b87a5ed]649 } else {
650 addTypeToType( o->type, type );
[68cd1ce]651 } // if
652 } // if
[b87a5ed]653 if ( o->bitfieldWidth ) {
654 bitfieldWidth = o->bitfieldWidth;
[68cd1ce]655 } // if
[71bd8c6]656
657 // there may be typedefs chained onto the type
[1d4580a]658 if ( o->get_next() ) {
659 set_last( o->get_next()->clone() );
[1db21619]660 } // if
[68cd1ce]661 } // if
[b87a5ed]662 delete o;
663 return this;
[3848e0e]664}
665
[ba7aa2d]666DeclarationNode * DeclarationNode::addTypedef() {
667 TypeData * newtype = new TypeData( TypeData::Symbolic );
[2298f728]668 newtype->symbolic.params = nullptr;
[8f6f47d7]669 newtype->symbolic.isTypedef = true;
[2298f728]670 newtype->symbolic.name = name ? new string( *name ) : nullptr;
[b87a5ed]671 newtype->base = type;
672 type = newtype;
673 return this;
[3848e0e]674}
675
[ba7aa2d]676DeclarationNode * DeclarationNode::addAssertions( DeclarationNode * assertions ) {
[07de76b]677 if ( variable.tyClass != TypeDecl::NUMBER_OF_KINDS ) {
[2298f728]678 if ( variable.assertions ) {
679 variable.assertions->appendList( assertions );
680 } else {
681 variable.assertions = assertions;
682 } // if
683 return this;
684 } // if
685
[b87a5ed]686 assert( type );
687 switch ( type->kind ) {
688 case TypeData::Symbolic:
[8f6f47d7]689 if ( type->symbolic.assertions ) {
690 type->symbolic.assertions->appendList( assertions );
[b87a5ed]691 } else {
[8f6f47d7]692 type->symbolic.assertions = assertions;
[68cd1ce]693 } // if
[b87a5ed]694 break;
695 default:
696 assert( false );
[68cd1ce]697 } // switch
[974906e2]698
[b87a5ed]699 return this;
[51b73452]700}
701
[fb114fa1]702DeclarationNode * DeclarationNode::addName( string * newname ) {
[2298f728]703 assert( ! name );
704 name = newname;
[b87a5ed]705 return this;
[51b73452]706}
707
[c0aa336]708DeclarationNode * DeclarationNode::addAsmName( DeclarationNode * newname ) {
[58dd019]709 assert( ! asmName );
[c0aa336]710 asmName = newname ? newname->asmName : nullptr;
711 return this->addQualifiers( newname );
[58dd019]712}
713
[ba7aa2d]714DeclarationNode * DeclarationNode::addBitfield( ExpressionNode * size ) {
[b87a5ed]715 bitfieldWidth = size;
716 return this;
[51b73452]717}
718
[ba7aa2d]719DeclarationNode * DeclarationNode::addVarArgs() {
[b87a5ed]720 assert( type );
721 hasEllipsis = true;
722 return this;
[51b73452]723}
724
[c453ac4]725DeclarationNode * DeclarationNode::addFunctionBody( StatementNode * body, ExpressionNode * withExprs ) {
[b87a5ed]726 assert( type );
727 assert( type->kind == TypeData::Function );
[2298f728]728 assert( ! type->function.body );
[8f6f47d7]729 type->function.body = body;
[c453ac4]730 type->function.withExprs = withExprs;
[b87a5ed]731 return this;
[51b73452]732}
733
[ba7aa2d]734DeclarationNode * DeclarationNode::addOldDeclList( DeclarationNode * list ) {
[b87a5ed]735 assert( type );
736 assert( type->kind == TypeData::Function );
[2298f728]737 assert( ! type->function.oldDeclList );
[8f6f47d7]738 type->function.oldDeclList = list;
[b87a5ed]739 return this;
[51b73452]740}
741
[c0aa336]742DeclarationNode * DeclarationNode::setBase( TypeData * newType ) {
[b87a5ed]743 if ( type ) {
[ba7aa2d]744 TypeData * prevBase = type;
745 TypeData * curBase = type->base;
[2298f728]746 while ( curBase != nullptr ) {
[b87a5ed]747 prevBase = curBase;
748 curBase = curBase->base;
[68cd1ce]749 } // while
[b87a5ed]750 prevBase->base = newType;
751 } else {
752 type = newType;
[68cd1ce]753 } // if
[c0aa336]754 return this;
[3848e0e]755}
756
[c0aa336]757DeclarationNode * DeclarationNode::copyAttribute( DeclarationNode * a ) {
758 if ( a ) {
759 for ( Attribute *attr: reverseIterate( a->attributes ) ) {
760 attributes.push_front( attr );
761 } // for
762 a->attributes.clear();
763 } // if
764 return this;
765} // copyAttribute
766
[ba7aa2d]767DeclarationNode * DeclarationNode::addPointer( DeclarationNode * p ) {
[b87a5ed]768 if ( p ) {
[6926a6d]769 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
[c0aa336]770 setBase( p->type );
[2298f728]771 p->type = nullptr;
[c0aa336]772 copyAttribute( p );
[b87a5ed]773 delete p;
[68cd1ce]774 } // if
[b87a5ed]775 return this;
[3848e0e]776}
777
[ba7aa2d]778DeclarationNode * DeclarationNode::addArray( DeclarationNode * a ) {
[b87a5ed]779 if ( a ) {
780 assert( a->type->kind == TypeData::Array );
[c0aa336]781 setBase( a->type );
[2298f728]782 a->type = nullptr;
[c0aa336]783 copyAttribute( a );
[b87a5ed]784 delete a;
[68cd1ce]785 } // if
[b87a5ed]786 return this;
[51b73452]787}
788
[ba7aa2d]789DeclarationNode * DeclarationNode::addNewPointer( DeclarationNode * p ) {
[b87a5ed]790 if ( p ) {
[e6cee92]791 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
[b87a5ed]792 if ( type ) {
793 switch ( type->kind ) {
794 case TypeData::Aggregate:
795 case TypeData::Enum:
796 p->type->base = new TypeData( TypeData::AggregateInst );
[8f6f47d7]797 p->type->base->aggInst.aggregate = type;
[b87a5ed]798 if ( type->kind == TypeData::Aggregate ) {
[8f6f47d7]799 p->type->base->aggInst.params = maybeClone( type->aggregate.actuals );
[68cd1ce]800 } // if
[6f95000]801 p->type->base->qualifiers |= type->qualifiers;
[b87a5ed]802 break;
803
804 default:
805 p->type->base = type;
[68cd1ce]806 } // switch
[2298f728]807 type = nullptr;
[68cd1ce]808 } // if
[b87a5ed]809 delete this;
810 return p;
811 } else {
812 return this;
[68cd1ce]813 } // if
[51b73452]814}
815
[ba7aa2d]816static TypeData * findLast( TypeData * a ) {
[b87a5ed]817 assert( a );
[ba7aa2d]818 TypeData * cur = a;
[a32b204]819 while ( cur->base ) {
[b87a5ed]820 cur = cur->base;
[68cd1ce]821 } // while
[b87a5ed]822 return cur;
[3848e0e]823}
824
[ba7aa2d]825DeclarationNode * DeclarationNode::addNewArray( DeclarationNode * a ) {
[738e304]826 if ( ! a ) return this;
827 assert( a->type->kind == TypeData::Array );
828 TypeData * lastArray = findLast( a->type );
829 if ( type ) {
830 switch ( type->kind ) {
831 case TypeData::Aggregate:
832 case TypeData::Enum:
833 lastArray->base = new TypeData( TypeData::AggregateInst );
834 lastArray->base->aggInst.aggregate = type;
835 if ( type->kind == TypeData::Aggregate ) {
836 lastArray->base->aggInst.params = maybeClone( type->aggregate.actuals );
837 } // if
[6f95000]838 lastArray->base->qualifiers |= type->qualifiers;
[738e304]839 break;
840 default:
841 lastArray->base = type;
842 } // switch
843 type = nullptr;
[68cd1ce]844 } // if
[738e304]845 delete this;
846 return a;
[51b73452]847}
[3848e0e]848
[ba7aa2d]849DeclarationNode * DeclarationNode::addParamList( DeclarationNode * params ) {
850 TypeData * ftype = new TypeData( TypeData::Function );
[8f6f47d7]851 ftype->function.params = params;
[c0aa336]852 setBase( ftype );
[b87a5ed]853 return this;
[3848e0e]854}
855
[ba7aa2d]856static TypeData * addIdListToType( TypeData * type, DeclarationNode * ids ) {
[b87a5ed]857 if ( type ) {
858 if ( type->kind != TypeData::Function ) {
859 type->base = addIdListToType( type->base, ids );
860 } else {
[8f6f47d7]861 type->function.idList = ids;
[68cd1ce]862 } // if
[b87a5ed]863 return type;
[3848e0e]864 } else {
[ba7aa2d]865 TypeData * newtype = new TypeData( TypeData::Function );
[8f6f47d7]866 newtype->function.idList = ids;
[b87a5ed]867 return newtype;
[68cd1ce]868 } // if
[2298f728]869} // addIdListToType
[974906e2]870
[ba7aa2d]871DeclarationNode * DeclarationNode::addIdList( DeclarationNode * ids ) {
[b87a5ed]872 type = addIdListToType( type, ids );
873 return this;
[3848e0e]874}
875
[ba7aa2d]876DeclarationNode * DeclarationNode::addInitializer( InitializerNode * init ) {
[b87a5ed]877 initializer = init;
878 return this;
[3848e0e]879}
880
[67cf18c]881DeclarationNode * DeclarationNode::addTypeInitializer( DeclarationNode * init ) {
[07de76b]882 assertf( variable.tyClass != TypeDecl::NUMBER_OF_KINDS, "Called addTypeInitializer on something that isn't a type variable." );
[67cf18c]883 variable.initializer = init;
884 return this;
885}
886
[ba7aa2d]887DeclarationNode * DeclarationNode::cloneType( string * newName ) {
888 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]889 newnode->type = maybeClone( type );
[a7c90d4]890 newnode->copySpecifiers( this );
[ba7aa2d]891 assert( newName );
[2298f728]892 newnode->name = newName;
[b87a5ed]893 return newnode;
[3848e0e]894}
895
[2298f728]896DeclarationNode * DeclarationNode::cloneBaseType( DeclarationNode * o ) {
897 if ( ! o ) return nullptr;
898
[a7c90d4]899 o->copySpecifiers( this );
[2298f728]900 if ( type ) {
901 TypeData * srcType = type;
902
[c0aa336]903 // search for the base type by scanning off pointers and array designators
[2298f728]904 while ( srcType->base ) {
905 srcType = srcType->base;
906 } // while
907
908 TypeData * newType = srcType->clone();
909 if ( newType->kind == TypeData::AggregateInst ) {
910 // don't duplicate members
911 if ( newType->aggInst.aggregate->kind == TypeData::Enum ) {
912 delete newType->aggInst.aggregate->enumeration.constants;
913 newType->aggInst.aggregate->enumeration.constants = nullptr;
[b2da0574]914 newType->aggInst.aggregate->enumeration.body = false;
[b87a5ed]915 } else {
[2298f728]916 assert( newType->aggInst.aggregate->kind == TypeData::Aggregate );
917 delete newType->aggInst.aggregate->aggregate.fields;
918 newType->aggInst.aggregate->aggregate.fields = nullptr;
[b2da0574]919 newType->aggInst.aggregate->aggregate.body = false;
[68cd1ce]920 } // if
[43c89a7]921 // don't hoist twice
922 newType->aggInst.hoistType = false;
[68cd1ce]923 } // if
[2298f728]924
925 newType->forall = maybeClone( type->forall );
926 if ( ! o->type ) {
927 o->type = newType;
928 } else {
929 addTypeToType( newType, o->type );
930 delete newType;
931 } // if
[68cd1ce]932 } // if
[b87a5ed]933 return o;
[51b73452]934}
935
[ba7aa2d]936DeclarationNode * DeclarationNode::extractAggregate() const {
[b87a5ed]937 if ( type ) {
[ba7aa2d]938 TypeData * ret = typeextractAggregate( type );
[b87a5ed]939 if ( ret ) {
[ba7aa2d]940 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]941 newnode->type = ret;
942 return newnode;
[843054c2]943 } // if
944 } // if
[2298f728]945 return nullptr;
[3848e0e]946}
947
[f2f512ba]948void buildList( const DeclarationNode * firstNode, std::list< Declaration * > & outputList ) {
[a16764a6]949 SemanticErrorException errors;
[7880579]950 std::back_insert_iterator< std::list< Declaration * > > out( outputList );
[2298f728]951
[3a5131ed]952 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
[b87a5ed]953 try {
[3d7e53b]954 bool extracted = false;
955 bool anon = false;
[ba7aa2d]956 if ( DeclarationNode * extr = cur->extractAggregate() ) {
[b87a5ed]957 // handle the case where a structure declaration is contained within an object or type declaration
[ba7aa2d]958 Declaration * decl = extr->build();
[b87a5ed]959 if ( decl ) {
[3d7e53b]960 // hoist the structure declaration
[294647b]961 decl->location = cur->location;
[ba7aa2d]962 * out++ = decl;
[3d7e53b]963
964 // need to remember the cases where a declaration contains an anonymous aggregate definition
965 extracted = true;
966 assert( extr->type );
967 if ( extr->type->kind == TypeData::Aggregate ) {
968 anon = extr->type->aggregate.anon;
969 } else if ( extr->type->kind == TypeData::Enum ) {
970 // xxx - is it useful to have an implicit anonymous enum member?
971 anon = extr->type->enumeration.anon;
972 }
[843054c2]973 } // if
[f39096c]974 delete extr;
[843054c2]975 } // if
[2298f728]976
[ba7aa2d]977 Declaration * decl = cur->build();
[b87a5ed]978 if ( decl ) {
[3d7e53b]979 // don't include anonymous declaration for named aggregates, but do include them for anonymous aggregates, e.g.:
980 // struct S {
981 // struct T { int x; }; // no anonymous member
982 // struct { int y; }; // anonymous member
983 // struct T; // anonymous member
984 // };
[e07caa2]985 if ( ! (extracted && decl->name == "" && ! anon && ! cur->get_inLine()) ) {
986 if ( decl->name == "" ) {
[2e02851]987 if ( DeclarationWithType * dwt = dynamic_cast<DeclarationWithType *>( decl ) ) {
988 if ( ReferenceToType * aggr = dynamic_cast<ReferenceToType *>( dwt->get_type() ) ) {
989 if ( aggr->name.find("anonymous") == std::string::npos ) {
[e07caa2]990 if ( ! cur->get_inLine() ) {
991 // temporary: warn about anonymous member declarations of named types, since
992 // this conflicts with the syntax for the forward declaration of an anonymous type
[2e02851]993 SemanticWarning( cur->location, Warning::AggrForwardDecl, aggr->name.c_str() );
[e07caa2]994 } // if
995 } // if
996 } // if
997 } // if
998 } // if
[3d7e53b]999 decl->location = cur->location;
[e07caa2]1000 *out++ = decl;
1001 } // if
[843054c2]1002 } // if
[f2f512ba]1003 } catch( SemanticErrorException & e ) {
[b87a5ed]1004 errors.append( e );
[843054c2]1005 } // try
[e07caa2]1006 } // for
[2298f728]1007
[b87a5ed]1008 if ( ! errors.isEmpty() ) {
1009 throw errors;
[843054c2]1010 } // if
[2298f728]1011} // buildList
[3848e0e]1012
[3d7e53b]1013// currently only builds assertions, function parameters, and return values
[f2f512ba]1014void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > & outputList ) {
[a16764a6]1015 SemanticErrorException errors;
[7880579]1016 std::back_insert_iterator< std::list< DeclarationWithType * > > out( outputList );
[43c89a7]1017
[3a5131ed]1018 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
[b87a5ed]1019 try {
[ba7aa2d]1020 Declaration * decl = cur->build();
[47498bd]1021 assert( decl );
1022 if ( DeclarationWithType * dwt = dynamic_cast< DeclarationWithType * >( decl ) ) {
1023 dwt->location = cur->location;
[3ca7ef3]1024 *out++ = dwt;
[47498bd]1025 } else if ( StructDecl * agg = dynamic_cast< StructDecl * >( decl ) ) {
[3d7e53b]1026 // e.g., int foo(struct S) {}
[47498bd]1027 StructInstType * inst = new StructInstType( Type::Qualifiers(), agg->name );
1028 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1029 obj->location = cur->location;
[3ca7ef3]1030 *out++ = obj;
[47498bd]1031 delete agg;
1032 } else if ( UnionDecl * agg = dynamic_cast< UnionDecl * >( decl ) ) {
[3d7e53b]1033 // e.g., int foo(union U) {}
[47498bd]1034 UnionInstType * inst = new UnionInstType( Type::Qualifiers(), agg->name );
1035 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1036 obj->location = cur->location;
[3ca7ef3]1037 *out++ = obj;
[3d7e53b]1038 } else if ( EnumDecl * agg = dynamic_cast< EnumDecl * >( decl ) ) {
1039 // e.g., int foo(enum E) {}
1040 EnumInstType * inst = new EnumInstType( Type::Qualifiers(), agg->name );
1041 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1042 obj->location = cur->location;
[3ca7ef3]1043 *out++ = obj;
[843054c2]1044 } // if
[f2f512ba]1045 } catch( SemanticErrorException & e ) {
[b87a5ed]1046 errors.append( e );
[843054c2]1047 } // try
[3a5131ed]1048 } // for
1049
[b87a5ed]1050 if ( ! errors.isEmpty() ) {
1051 throw errors;
[843054c2]1052 } // if
[2298f728]1053} // buildList
[3848e0e]1054
[f2f512ba]1055void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > & outputList ) {
[a16764a6]1056 SemanticErrorException errors;
[7880579]1057 std::back_insert_iterator< std::list< Type * > > out( outputList );
[ba7aa2d]1058 const DeclarationNode * cur = firstNode;
[2298f728]1059
[a32b204]1060 while ( cur ) {
[b87a5ed]1061 try {
[ba7aa2d]1062 * out++ = cur->buildType();
[f2f512ba]1063 } catch( SemanticErrorException & e ) {
[b87a5ed]1064 errors.append( e );
[843054c2]1065 } // try
[7880579]1066 cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
[843054c2]1067 } // while
[2298f728]1068
[b87a5ed]1069 if ( ! errors.isEmpty() ) {
1070 throw errors;
[843054c2]1071 } // if
[2298f728]1072} // buildTypeList
[51b73452]1073
[ba7aa2d]1074Declaration * DeclarationNode::build() const {
[a16764a6]1075 if ( ! error.empty() ) SemanticError( this, error + " in declaration of " );
[2298f728]1076
[e994912]1077 if ( asmStmt ) {
[e3e16bc]1078 return new AsmDecl( strict_dynamic_cast<AsmStmt *>( asmStmt->build() ) );
[e994912]1079 } // if
[2d019af]1080 if ( directiveStmt ) {
1081 return new DirectiveDecl( strict_dynamic_cast<DirectiveStmt *>( directiveStmt->build() ) );
1082 } // if
[e994912]1083
[07de76b]1084 if ( variable.tyClass != TypeDecl::NUMBER_OF_KINDS ) {
[f0ecf9b]1085 // otype is internally converted to dtype + otype parameters
[b66d14a]1086 static const TypeDecl::Kind kindMap[] = { TypeDecl::Dtype, TypeDecl::DStype, TypeDecl::Dtype, TypeDecl::Ftype, TypeDecl::Ttype, TypeDecl::ALtype };
1087 static_assert( sizeof(kindMap) / sizeof(kindMap[0]) == TypeDecl::NUMBER_OF_KINDS, "DeclarationNode::build: kindMap is out of sync." );
[8f60f0b]1088 assertf( variable.tyClass < sizeof(kindMap)/sizeof(kindMap[0]), "Variable's tyClass is out of bounds." );
[07de76b]1089 TypeDecl * ret = new TypeDecl( *name, Type::StorageClasses(), nullptr, kindMap[ variable.tyClass ], variable.tyClass == TypeDecl::Otype, variable.initializer ? variable.initializer->buildType() : nullptr );
[2298f728]1090 buildList( variable.assertions, ret->get_assertions() );
1091 return ret;
1092 } // if
1093
[843054c2]1094 if ( type ) {
[dd020c0]1095 // Function specifiers can only appear on a function definition/declaration.
1096 //
1097 // inline _Noreturn int f(); // allowed
1098 // inline _Noreturn int g( int i ); // allowed
1099 // inline _Noreturn int i; // disallowed
[fb04321]1100 if ( type->kind != TypeData::Function && funcSpecs.any() ) {
[a16764a6]1101 SemanticError( this, "invalid function specifier for " );
[dd020c0]1102 } // if
[284da8c]1103 // Forall qualifier can only appear on a function/aggregate definition/declaration.
1104 //
1105 // forall int f(); // allowed
1106 // forall int g( int i ); // allowed
1107 // forall int i; // disallowed
1108 if ( type->kind != TypeData::Function && type->forall ) {
1109 SemanticError( this, "invalid type qualifier for " );
1110 } // if
[3ed994e]1111 bool isDelete = initializer && initializer->get_isDelete();
1112 Declaration * decl = buildDecl( type, name ? *name : string( "" ), storageClasses, maybeBuild< Expression >( bitfieldWidth ), funcSpecs, linkage, asmName, isDelete ? nullptr : maybeBuild< Initializer >(initializer), attributes )->set_extension( extension );
1113 if ( isDelete ) {
1114 DeclarationWithType * dwt = strict_dynamic_cast<DeclarationWithType *>( decl );
1115 dwt->isDeleted = true;
1116 }
1117 return decl;
[843054c2]1118 } // if
[2298f728]1119
[f6e3e34]1120 if ( assert.condition ) {
1121 return new StaticAssertDecl( maybeBuild< Expression >( assert.condition ), strict_dynamic_cast< ConstantExpr * >( maybeClone( assert.message ) ) );
1122 }
1123
[dd020c0]1124 // SUE's cannot have function specifiers, either
1125 //
[79aae15]1126 // inline _Noreturn struct S { ... }; // disallowed
1127 // inline _Noreturn enum E { ... }; // disallowed
[fb04321]1128 if ( funcSpecs.any() ) {
[a16764a6]1129 SemanticError( this, "invalid function specifier for " );
[843054c2]1130 } // if
[dd020c0]1131 assertf( name, "ObjectDecl must a have name\n" );
[a7c90d4]1132 return (new ObjectDecl( *name, storageClasses, linkage, maybeBuild< Expression >( bitfieldWidth ), nullptr, maybeBuild< Initializer >( initializer ) ))->set_asmName( asmName )->set_extension( extension );
[51b73452]1133}
1134
[ba7aa2d]1135Type * DeclarationNode::buildType() const {
[b87a5ed]1136 assert( type );
[974906e2]1137
[faddbd8]1138 if ( attr.expr ) {
[c0aa336]1139 return new AttrType( buildQualifiers( type ), *name, attr.expr->build(), attributes );
[faddbd8]1140 } else if ( attr.type ) {
[c0aa336]1141 return new AttrType( buildQualifiers( type ), *name, attr.type->buildType(), attributes );
[2298f728]1142 } // if
1143
[b87a5ed]1144 switch ( type->kind ) {
[43c89a7]1145 case TypeData::Enum:
[b87a5ed]1146 case TypeData::Aggregate: {
[fa4805f]1147 ReferenceToType * ret = buildComAggInst( type, attributes, linkage );
[8f6f47d7]1148 buildList( type->aggregate.actuals, ret->get_parameters() );
[b87a5ed]1149 return ret;
1150 }
1151 case TypeData::Symbolic: {
[c0aa336]1152 TypeInstType * ret = new TypeInstType( buildQualifiers( type ), *type->symbolic.name, false, attributes );
[8f6f47d7]1153 buildList( type->symbolic.actuals, ret->get_parameters() );
[b87a5ed]1154 return ret;
1155 }
1156 default:
[c0aa336]1157 Type * simpletypes = typebuild( type );
1158 simpletypes->get_attributes() = attributes; // copy because member is const
1159 return simpletypes;
[b87a5ed]1160 } // switch
[3848e0e]1161}
1162
[b87a5ed]1163// Local Variables: //
1164// tab-width: 4 //
1165// mode: c++ //
1166// compile-command: "make install" //
1167// End: //
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