source: src/Parser/DeclarationNode.cc@ 53d55b6

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 53d55b6 was 3ca7ef3, checked in by Peter A. Buhr <pabuhr@…>, 5 years ago

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[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
[3ca7ef3]12// Last Modified On : Thu Oct 8 08:03:38 2020
13// Update Count : 1135
[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
[e994912]429DeclarationNode * DeclarationNode::newAsmStmt( StatementNode * stmt ) {
430 DeclarationNode * newnode = new DeclarationNode;
431 newnode->asmStmt = stmt;
432 return newnode;
433}
434
[f6e3e34]435DeclarationNode * DeclarationNode::newStaticAssert( ExpressionNode * condition, Expression * message ) {
436 DeclarationNode * newnode = new DeclarationNode;
437 newnode->assert.condition = condition;
438 newnode->assert.message = message;
439 return newnode;
440}
441
442
[5b639ee]443void appendError( string & dst, const string & src ) {
444 if ( src.empty() ) return;
445 if ( dst.empty() ) { dst = src; return; }
446 dst += ", " + src;
447} // appendError
448
[ba7aa2d]449void DeclarationNode::checkQualifiers( const TypeData * src, const TypeData * dst ) {
[738e304]450 const Type::Qualifiers qsrc = src->qualifiers, qdst = dst->qualifiers; // optimization
[c1c1112]451
[6f95000]452 if ( (qsrc & qdst).any() ) { // duplicates ?
[738e304]453 for ( unsigned int i = 0; i < Type::NumTypeQualifier; i += 1 ) { // find duplicates
[5b639ee]454 if ( qsrc[i] && qdst[i] ) {
[615a096]455 appendError( error, string( "duplicate " ) + Type::QualifiersNames[i] );
[c1c1112]456 } // if
457 } // for
[a7c90d4]458 } // for
[c1c1112]459} // DeclarationNode::checkQualifiers
460
[a7c90d4]461void DeclarationNode::checkSpecifiers( DeclarationNode * src ) {
[6f95000]462 if ( (funcSpecs & src->funcSpecs).any() ) { // duplicates ?
[ddfd945]463 for ( unsigned int i = 0; i < Type::NumFuncSpecifier; i += 1 ) { // find duplicates
[a7c90d4]464 if ( funcSpecs[i] && src->funcSpecs[i] ) {
[615a096]465 appendError( error, string( "duplicate " ) + Type::FuncSpecifiersNames[i] );
[dd020c0]466 } // if
467 } // for
468 } // if
469
[6e8bd43]470 if ( storageClasses.any() && src->storageClasses.any() ) { // any reason to check ?
[6f95000]471 if ( (storageClasses & src->storageClasses ).any() ) { // duplicates ?
[68fe077a]472 for ( unsigned int i = 0; i < Type::NumStorageClass; i += 1 ) { // find duplicates
[a7c90d4]473 if ( storageClasses[i] && src->storageClasses[i] ) {
[615a096]474 appendError( error, string( "duplicate " ) + Type::StorageClassesNames[i] );
[a7c90d4]475 } // if
476 } // for
477 // src is the new item being added and has a single bit
[08d5507b]478 } else if ( ! src->storageClasses.is_threadlocal ) { // conflict ?
[615a096]479 appendError( error, string( "conflicting " ) + Type::StorageClassesNames[storageClasses.ffs()] +
480 " & " + Type::StorageClassesNames[src->storageClasses.ffs()] );
[6f95000]481 src->storageClasses.reset(); // FIX to preserve invariant of one basic storage specifier
[b6424d9]482 } // if
483 } // if
[dd020c0]484
[a7c90d4]485 appendError( error, src->error );
486} // DeclarationNode::checkSpecifiers
[b6424d9]487
[a7c90d4]488DeclarationNode * DeclarationNode::copySpecifiers( DeclarationNode * q ) {
[6f95000]489 funcSpecs |= q->funcSpecs;
490 storageClasses |= q->storageClasses;
[c0aa336]491
492 for ( Attribute *attr: reverseIterate( q->attributes ) ) {
493 attributes.push_front( attr->clone() );
494 } // for
[b6424d9]495 return this;
[a7c90d4]496} // DeclarationNode::copySpecifiers
[b6424d9]497
[f2f512ba]498static void addQualifiersToType( TypeData *& src, TypeData * dst ) {
[101e0bd]499 if ( dst->base ) {
500 addQualifiersToType( src, dst->base );
501 } else if ( dst->kind == TypeData::Function ) {
502 dst->base = src;
[2298f728]503 src = nullptr;
[101e0bd]504 } else {
[6f95000]505 dst->qualifiers |= src->qualifiers;
[101e0bd]506 } // if
507} // addQualifiersToType
508
[ba7aa2d]509DeclarationNode * DeclarationNode::addQualifiers( DeclarationNode * q ) {
[af9da5f]510 if ( ! q ) { return this; } // empty qualifier
[101e0bd]511
[a7c90d4]512 checkSpecifiers( q );
513 copySpecifiers( q );
[101e0bd]514
[c38ae92]515 if ( ! q->type ) { delete q; return this; }
[101e0bd]516
517 if ( ! type ) {
[c38ae92]518 type = q->type; // reuse structure
[1b772749]519 q->type = nullptr;
520 delete q;
[101e0bd]521 return this;
522 } // if
523
[c38ae92]524 if ( q->type->forall ) { // forall qualifier ?
525 if ( type->forall ) { // polymorphic routine ?
526 type->forall->appendList( q->type->forall ); // augment forall qualifier
[101e0bd]527 } else {
[c38ae92]528 if ( type->kind == TypeData::Aggregate ) { // struct/union ?
529 if ( type->aggregate.params ) { // polymorphic ?
530 type->aggregate.params->appendList( q->type->forall ); // augment forall qualifier
531 } else { // not polymorphic
[a1c9ddd]532 type->aggregate.params = q->type->forall; // set forall qualifier
[c38ae92]533 } // if
534 } else { // not polymorphic
535 type->forall = q->type->forall; // make polymorphic routine
[68cd1ce]536 } // if
537 } // if
[c38ae92]538 q->type->forall = nullptr; // forall qualifier moved
[68cd1ce]539 } // if
[6ef2d81]540
[a7c90d4]541 checkQualifiers( type, q->type );
[af9da5f]542 if ( (builtin == Zero || builtin == One) && q->type->qualifiers.val != 0 && error.length() == 0 ) {
[f14d956]543 SemanticWarning( yylloc, Warning::BadQualifiersZeroOne, Type::QualifiersNames[ilog2( q->type->qualifiers.val )], builtinTypeNames[builtin] );
[9dc31c10]544 } // if
[6ef2d81]545 addQualifiersToType( q->type, type );
546
[b87a5ed]547 delete q;
548 return this;
[101e0bd]549} // addQualifiers
[3848e0e]550
[f2f512ba]551static void addTypeToType( TypeData *& src, TypeData *& dst ) {
[101e0bd]552 if ( src->forall && dst->kind == TypeData::Function ) {
553 if ( dst->forall ) {
554 dst->forall->appendList( src->forall );
[b87a5ed]555 } else {
[101e0bd]556 dst->forall = src->forall;
557 } // if
[2298f728]558 src->forall = nullptr;
[101e0bd]559 } // if
560 if ( dst->base ) {
561 addTypeToType( src, dst->base );
562 } else {
563 switch ( dst->kind ) {
564 case TypeData::Unknown:
[6f95000]565 src->qualifiers |= dst->qualifiers;
[101e0bd]566 dst = src;
[2298f728]567 src = nullptr;
[101e0bd]568 break;
569 case TypeData::Basic:
[6f95000]570 dst->qualifiers |= src->qualifiers;
[101e0bd]571 if ( src->kind != TypeData::Unknown ) {
572 assert( src->kind == TypeData::Basic );
573
574 if ( dst->basictype == DeclarationNode::NoBasicType ) {
575 dst->basictype = src->basictype;
576 } else if ( src->basictype != DeclarationNode::NoBasicType )
[a16764a6]577 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::basicTypeNames[ src->basictype ] + " in type: " );
[101e0bd]578
579 if ( dst->complextype == DeclarationNode::NoComplexType ) {
580 dst->complextype = src->complextype;
581 } else if ( src->complextype != DeclarationNode::NoComplexType )
[a16764a6]582 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::complexTypeNames[ src->complextype ] + " in type: " );
[101e0bd]583
584 if ( dst->signedness == DeclarationNode::NoSignedness ) {
585 dst->signedness = src->signedness;
586 } else if ( src->signedness != DeclarationNode::NoSignedness )
[a16764a6]587 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::signednessNames[ src->signedness ] + " in type: " );
[101e0bd]588
589 if ( dst->length == DeclarationNode::NoLength ) {
590 dst->length = src->length;
591 } else if ( dst->length == DeclarationNode::Long && src->length == DeclarationNode::Long ) {
592 dst->length = DeclarationNode::LongLong;
593 } else if ( src->length != DeclarationNode::NoLength )
[a16764a6]594 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::lengthNames[ src->length ] + " in type: " );
[101e0bd]595 } // if
596 break;
597 default:
598 switch ( src->kind ) {
599 case TypeData::Aggregate:
600 case TypeData::Enum:
601 dst->base = new TypeData( TypeData::AggregateInst );
602 dst->base->aggInst.aggregate = src;
603 if ( src->kind == TypeData::Aggregate ) {
604 dst->base->aggInst.params = maybeClone( src->aggregate.actuals );
[68cd1ce]605 } // if
[6f95000]606 dst->base->qualifiers |= src->qualifiers;
[2298f728]607 src = nullptr;
[b87a5ed]608 break;
609 default:
[101e0bd]610 if ( dst->forall ) {
611 dst->forall->appendList( src->forall );
612 } else {
613 dst->forall = src->forall;
614 } // if
[2298f728]615 src->forall = nullptr;
[101e0bd]616 dst->base = src;
[2298f728]617 src = nullptr;
[68cd1ce]618 } // switch
[101e0bd]619 } // switch
[68cd1ce]620 } // if
[3848e0e]621}
622
[ba7aa2d]623DeclarationNode * DeclarationNode::addType( DeclarationNode * o ) {
[b87a5ed]624 if ( o ) {
[a7c90d4]625 checkSpecifiers( o );
626 copySpecifiers( o );
[b87a5ed]627 if ( o->type ) {
628 if ( ! type ) {
629 if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) {
630 type = new TypeData( TypeData::AggregateInst );
[8f6f47d7]631 type->aggInst.aggregate = o->type;
[b87a5ed]632 if ( o->type->kind == TypeData::Aggregate ) {
[43c89a7]633 type->aggInst.hoistType = o->type->aggregate.body;
[8f6f47d7]634 type->aggInst.params = maybeClone( o->type->aggregate.actuals );
[43c89a7]635 } else {
636 type->aggInst.hoistType = o->type->enumeration.body;
[68cd1ce]637 } // if
[6f95000]638 type->qualifiers |= o->type->qualifiers;
[b87a5ed]639 } else {
640 type = o->type;
[68cd1ce]641 } // if
[2298f728]642 o->type = nullptr;
[b87a5ed]643 } else {
644 addTypeToType( o->type, type );
[68cd1ce]645 } // if
646 } // if
[b87a5ed]647 if ( o->bitfieldWidth ) {
648 bitfieldWidth = o->bitfieldWidth;
[68cd1ce]649 } // if
[71bd8c6]650
651 // there may be typedefs chained onto the type
[1d4580a]652 if ( o->get_next() ) {
653 set_last( o->get_next()->clone() );
[1db21619]654 } // if
[68cd1ce]655 } // if
[b87a5ed]656 delete o;
657 return this;
[3848e0e]658}
659
[ba7aa2d]660DeclarationNode * DeclarationNode::addTypedef() {
661 TypeData * newtype = new TypeData( TypeData::Symbolic );
[2298f728]662 newtype->symbolic.params = nullptr;
[8f6f47d7]663 newtype->symbolic.isTypedef = true;
[2298f728]664 newtype->symbolic.name = name ? new string( *name ) : nullptr;
[b87a5ed]665 newtype->base = type;
666 type = newtype;
667 return this;
[3848e0e]668}
669
[ba7aa2d]670DeclarationNode * DeclarationNode::addAssertions( DeclarationNode * assertions ) {
[07de76b]671 if ( variable.tyClass != TypeDecl::NUMBER_OF_KINDS ) {
[2298f728]672 if ( variable.assertions ) {
673 variable.assertions->appendList( assertions );
674 } else {
675 variable.assertions = assertions;
676 } // if
677 return this;
678 } // if
679
[b87a5ed]680 assert( type );
681 switch ( type->kind ) {
682 case TypeData::Symbolic:
[8f6f47d7]683 if ( type->symbolic.assertions ) {
684 type->symbolic.assertions->appendList( assertions );
[b87a5ed]685 } else {
[8f6f47d7]686 type->symbolic.assertions = assertions;
[68cd1ce]687 } // if
[b87a5ed]688 break;
689 default:
690 assert( false );
[68cd1ce]691 } // switch
[974906e2]692
[b87a5ed]693 return this;
[51b73452]694}
695
[fb114fa1]696DeclarationNode * DeclarationNode::addName( string * newname ) {
[2298f728]697 assert( ! name );
698 name = newname;
[b87a5ed]699 return this;
[51b73452]700}
701
[c0aa336]702DeclarationNode * DeclarationNode::addAsmName( DeclarationNode * newname ) {
[58dd019]703 assert( ! asmName );
[c0aa336]704 asmName = newname ? newname->asmName : nullptr;
705 return this->addQualifiers( newname );
[58dd019]706}
707
[ba7aa2d]708DeclarationNode * DeclarationNode::addBitfield( ExpressionNode * size ) {
[b87a5ed]709 bitfieldWidth = size;
710 return this;
[51b73452]711}
712
[ba7aa2d]713DeclarationNode * DeclarationNode::addVarArgs() {
[b87a5ed]714 assert( type );
715 hasEllipsis = true;
716 return this;
[51b73452]717}
718
[c453ac4]719DeclarationNode * DeclarationNode::addFunctionBody( StatementNode * body, ExpressionNode * withExprs ) {
[b87a5ed]720 assert( type );
721 assert( type->kind == TypeData::Function );
[2298f728]722 assert( ! type->function.body );
[8f6f47d7]723 type->function.body = body;
[c453ac4]724 type->function.withExprs = withExprs;
[b87a5ed]725 return this;
[51b73452]726}
727
[ba7aa2d]728DeclarationNode * DeclarationNode::addOldDeclList( DeclarationNode * list ) {
[b87a5ed]729 assert( type );
730 assert( type->kind == TypeData::Function );
[2298f728]731 assert( ! type->function.oldDeclList );
[8f6f47d7]732 type->function.oldDeclList = list;
[b87a5ed]733 return this;
[51b73452]734}
735
[c0aa336]736DeclarationNode * DeclarationNode::setBase( TypeData * newType ) {
[b87a5ed]737 if ( type ) {
[ba7aa2d]738 TypeData * prevBase = type;
739 TypeData * curBase = type->base;
[2298f728]740 while ( curBase != nullptr ) {
[b87a5ed]741 prevBase = curBase;
742 curBase = curBase->base;
[68cd1ce]743 } // while
[b87a5ed]744 prevBase->base = newType;
745 } else {
746 type = newType;
[68cd1ce]747 } // if
[c0aa336]748 return this;
[3848e0e]749}
750
[c0aa336]751DeclarationNode * DeclarationNode::copyAttribute( DeclarationNode * a ) {
752 if ( a ) {
753 for ( Attribute *attr: reverseIterate( a->attributes ) ) {
754 attributes.push_front( attr );
755 } // for
756 a->attributes.clear();
757 } // if
758 return this;
759} // copyAttribute
760
[ba7aa2d]761DeclarationNode * DeclarationNode::addPointer( DeclarationNode * p ) {
[b87a5ed]762 if ( p ) {
[6926a6d]763 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
[c0aa336]764 setBase( p->type );
[2298f728]765 p->type = nullptr;
[c0aa336]766 copyAttribute( p );
[b87a5ed]767 delete p;
[68cd1ce]768 } // if
[b87a5ed]769 return this;
[3848e0e]770}
771
[ba7aa2d]772DeclarationNode * DeclarationNode::addArray( DeclarationNode * a ) {
[b87a5ed]773 if ( a ) {
774 assert( a->type->kind == TypeData::Array );
[c0aa336]775 setBase( a->type );
[2298f728]776 a->type = nullptr;
[c0aa336]777 copyAttribute( a );
[b87a5ed]778 delete a;
[68cd1ce]779 } // if
[b87a5ed]780 return this;
[51b73452]781}
782
[ba7aa2d]783DeclarationNode * DeclarationNode::addNewPointer( DeclarationNode * p ) {
[b87a5ed]784 if ( p ) {
[e6cee92]785 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
[b87a5ed]786 if ( type ) {
787 switch ( type->kind ) {
788 case TypeData::Aggregate:
789 case TypeData::Enum:
790 p->type->base = new TypeData( TypeData::AggregateInst );
[8f6f47d7]791 p->type->base->aggInst.aggregate = type;
[b87a5ed]792 if ( type->kind == TypeData::Aggregate ) {
[8f6f47d7]793 p->type->base->aggInst.params = maybeClone( type->aggregate.actuals );
[68cd1ce]794 } // if
[6f95000]795 p->type->base->qualifiers |= type->qualifiers;
[b87a5ed]796 break;
797
798 default:
799 p->type->base = type;
[68cd1ce]800 } // switch
[2298f728]801 type = nullptr;
[68cd1ce]802 } // if
[b87a5ed]803 delete this;
804 return p;
805 } else {
806 return this;
[68cd1ce]807 } // if
[51b73452]808}
809
[ba7aa2d]810static TypeData * findLast( TypeData * a ) {
[b87a5ed]811 assert( a );
[ba7aa2d]812 TypeData * cur = a;
[a32b204]813 while ( cur->base ) {
[b87a5ed]814 cur = cur->base;
[68cd1ce]815 } // while
[b87a5ed]816 return cur;
[3848e0e]817}
818
[ba7aa2d]819DeclarationNode * DeclarationNode::addNewArray( DeclarationNode * a ) {
[738e304]820 if ( ! a ) return this;
821 assert( a->type->kind == TypeData::Array );
822 TypeData * lastArray = findLast( a->type );
823 if ( type ) {
824 switch ( type->kind ) {
825 case TypeData::Aggregate:
826 case TypeData::Enum:
827 lastArray->base = new TypeData( TypeData::AggregateInst );
828 lastArray->base->aggInst.aggregate = type;
829 if ( type->kind == TypeData::Aggregate ) {
830 lastArray->base->aggInst.params = maybeClone( type->aggregate.actuals );
831 } // if
[6f95000]832 lastArray->base->qualifiers |= type->qualifiers;
[738e304]833 break;
834 default:
835 lastArray->base = type;
836 } // switch
837 type = nullptr;
[68cd1ce]838 } // if
[738e304]839 delete this;
840 return a;
[51b73452]841}
[3848e0e]842
[ba7aa2d]843DeclarationNode * DeclarationNode::addParamList( DeclarationNode * params ) {
844 TypeData * ftype = new TypeData( TypeData::Function );
[8f6f47d7]845 ftype->function.params = params;
[c0aa336]846 setBase( ftype );
[b87a5ed]847 return this;
[3848e0e]848}
849
[ba7aa2d]850static TypeData * addIdListToType( TypeData * type, DeclarationNode * ids ) {
[b87a5ed]851 if ( type ) {
852 if ( type->kind != TypeData::Function ) {
853 type->base = addIdListToType( type->base, ids );
854 } else {
[8f6f47d7]855 type->function.idList = ids;
[68cd1ce]856 } // if
[b87a5ed]857 return type;
[3848e0e]858 } else {
[ba7aa2d]859 TypeData * newtype = new TypeData( TypeData::Function );
[8f6f47d7]860 newtype->function.idList = ids;
[b87a5ed]861 return newtype;
[68cd1ce]862 } // if
[2298f728]863} // addIdListToType
[974906e2]864
[ba7aa2d]865DeclarationNode * DeclarationNode::addIdList( DeclarationNode * ids ) {
[b87a5ed]866 type = addIdListToType( type, ids );
867 return this;
[3848e0e]868}
869
[ba7aa2d]870DeclarationNode * DeclarationNode::addInitializer( InitializerNode * init ) {
[b87a5ed]871 initializer = init;
872 return this;
[3848e0e]873}
874
[67cf18c]875DeclarationNode * DeclarationNode::addTypeInitializer( DeclarationNode * init ) {
[07de76b]876 assertf( variable.tyClass != TypeDecl::NUMBER_OF_KINDS, "Called addTypeInitializer on something that isn't a type variable." );
[67cf18c]877 variable.initializer = init;
878 return this;
879}
880
[ba7aa2d]881DeclarationNode * DeclarationNode::cloneType( string * newName ) {
882 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]883 newnode->type = maybeClone( type );
[a7c90d4]884 newnode->copySpecifiers( this );
[ba7aa2d]885 assert( newName );
[2298f728]886 newnode->name = newName;
[b87a5ed]887 return newnode;
[3848e0e]888}
889
[2298f728]890DeclarationNode * DeclarationNode::cloneBaseType( DeclarationNode * o ) {
891 if ( ! o ) return nullptr;
892
[a7c90d4]893 o->copySpecifiers( this );
[2298f728]894 if ( type ) {
895 TypeData * srcType = type;
896
[c0aa336]897 // search for the base type by scanning off pointers and array designators
[2298f728]898 while ( srcType->base ) {
899 srcType = srcType->base;
900 } // while
901
902 TypeData * newType = srcType->clone();
903 if ( newType->kind == TypeData::AggregateInst ) {
904 // don't duplicate members
905 if ( newType->aggInst.aggregate->kind == TypeData::Enum ) {
906 delete newType->aggInst.aggregate->enumeration.constants;
907 newType->aggInst.aggregate->enumeration.constants = nullptr;
[b2da0574]908 newType->aggInst.aggregate->enumeration.body = false;
[b87a5ed]909 } else {
[2298f728]910 assert( newType->aggInst.aggregate->kind == TypeData::Aggregate );
911 delete newType->aggInst.aggregate->aggregate.fields;
912 newType->aggInst.aggregate->aggregate.fields = nullptr;
[b2da0574]913 newType->aggInst.aggregate->aggregate.body = false;
[68cd1ce]914 } // if
[43c89a7]915 // don't hoist twice
916 newType->aggInst.hoistType = false;
[68cd1ce]917 } // if
[2298f728]918
919 newType->forall = maybeClone( type->forall );
920 if ( ! o->type ) {
921 o->type = newType;
922 } else {
923 addTypeToType( newType, o->type );
924 delete newType;
925 } // if
[68cd1ce]926 } // if
[b87a5ed]927 return o;
[51b73452]928}
929
[ba7aa2d]930DeclarationNode * DeclarationNode::extractAggregate() const {
[b87a5ed]931 if ( type ) {
[ba7aa2d]932 TypeData * ret = typeextractAggregate( type );
[b87a5ed]933 if ( ret ) {
[ba7aa2d]934 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]935 newnode->type = ret;
936 return newnode;
[843054c2]937 } // if
938 } // if
[2298f728]939 return nullptr;
[3848e0e]940}
941
[f2f512ba]942void buildList( const DeclarationNode * firstNode, std::list< Declaration * > & outputList ) {
[a16764a6]943 SemanticErrorException errors;
[7880579]944 std::back_insert_iterator< std::list< Declaration * > > out( outputList );
[2298f728]945
[3a5131ed]946 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
[b87a5ed]947 try {
[3d7e53b]948 bool extracted = false;
949 bool anon = false;
[ba7aa2d]950 if ( DeclarationNode * extr = cur->extractAggregate() ) {
[b87a5ed]951 // handle the case where a structure declaration is contained within an object or type declaration
[ba7aa2d]952 Declaration * decl = extr->build();
[b87a5ed]953 if ( decl ) {
[3d7e53b]954 // hoist the structure declaration
[294647b]955 decl->location = cur->location;
[ba7aa2d]956 * out++ = decl;
[3d7e53b]957
958 // need to remember the cases where a declaration contains an anonymous aggregate definition
959 extracted = true;
960 assert( extr->type );
961 if ( extr->type->kind == TypeData::Aggregate ) {
962 anon = extr->type->aggregate.anon;
963 } else if ( extr->type->kind == TypeData::Enum ) {
964 // xxx - is it useful to have an implicit anonymous enum member?
965 anon = extr->type->enumeration.anon;
966 }
[843054c2]967 } // if
[f39096c]968 delete extr;
[843054c2]969 } // if
[2298f728]970
[ba7aa2d]971 Declaration * decl = cur->build();
[b87a5ed]972 if ( decl ) {
[3d7e53b]973 // don't include anonymous declaration for named aggregates, but do include them for anonymous aggregates, e.g.:
974 // struct S {
975 // struct T { int x; }; // no anonymous member
976 // struct { int y; }; // anonymous member
977 // struct T; // anonymous member
978 // };
[e07caa2]979 if ( ! (extracted && decl->name == "" && ! anon && ! cur->get_inLine()) ) {
980 if ( decl->name == "" ) {
[2e02851]981 if ( DeclarationWithType * dwt = dynamic_cast<DeclarationWithType *>( decl ) ) {
982 if ( ReferenceToType * aggr = dynamic_cast<ReferenceToType *>( dwt->get_type() ) ) {
983 if ( aggr->name.find("anonymous") == std::string::npos ) {
[e07caa2]984 if ( ! cur->get_inLine() ) {
985 // temporary: warn about anonymous member declarations of named types, since
986 // this conflicts with the syntax for the forward declaration of an anonymous type
[2e02851]987 SemanticWarning( cur->location, Warning::AggrForwardDecl, aggr->name.c_str() );
[e07caa2]988 } // if
989 } // if
990 } // if
991 } // if
992 } // if
[3d7e53b]993 decl->location = cur->location;
[e07caa2]994 *out++ = decl;
995 } // if
[843054c2]996 } // if
[f2f512ba]997 } catch( SemanticErrorException & e ) {
[b87a5ed]998 errors.append( e );
[843054c2]999 } // try
[e07caa2]1000 } // for
[2298f728]1001
[b87a5ed]1002 if ( ! errors.isEmpty() ) {
1003 throw errors;
[843054c2]1004 } // if
[2298f728]1005} // buildList
[3848e0e]1006
[3d7e53b]1007// currently only builds assertions, function parameters, and return values
[f2f512ba]1008void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > & outputList ) {
[a16764a6]1009 SemanticErrorException errors;
[7880579]1010 std::back_insert_iterator< std::list< DeclarationWithType * > > out( outputList );
[43c89a7]1011
[3a5131ed]1012 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
[b87a5ed]1013 try {
[ba7aa2d]1014 Declaration * decl = cur->build();
[47498bd]1015 assert( decl );
1016 if ( DeclarationWithType * dwt = dynamic_cast< DeclarationWithType * >( decl ) ) {
1017 dwt->location = cur->location;
[3ca7ef3]1018 *out++ = dwt;
[47498bd]1019 } else if ( StructDecl * agg = dynamic_cast< StructDecl * >( decl ) ) {
[3d7e53b]1020 // e.g., int foo(struct S) {}
[47498bd]1021 StructInstType * inst = new StructInstType( Type::Qualifiers(), agg->name );
1022 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1023 obj->location = cur->location;
[3ca7ef3]1024 *out++ = obj;
[47498bd]1025 delete agg;
1026 } else if ( UnionDecl * agg = dynamic_cast< UnionDecl * >( decl ) ) {
[3d7e53b]1027 // e.g., int foo(union U) {}
[47498bd]1028 UnionInstType * inst = new UnionInstType( Type::Qualifiers(), agg->name );
1029 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1030 obj->location = cur->location;
[3ca7ef3]1031 *out++ = obj;
[3d7e53b]1032 } else if ( EnumDecl * agg = dynamic_cast< EnumDecl * >( decl ) ) {
1033 // e.g., int foo(enum E) {}
1034 EnumInstType * inst = new EnumInstType( Type::Qualifiers(), agg->name );
1035 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1036 obj->location = cur->location;
[3ca7ef3]1037 *out++ = obj;
[843054c2]1038 } // if
[f2f512ba]1039 } catch( SemanticErrorException & e ) {
[b87a5ed]1040 errors.append( e );
[843054c2]1041 } // try
[3a5131ed]1042 } // for
1043
[b87a5ed]1044 if ( ! errors.isEmpty() ) {
1045 throw errors;
[843054c2]1046 } // if
[2298f728]1047} // buildList
[3848e0e]1048
[f2f512ba]1049void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > & outputList ) {
[a16764a6]1050 SemanticErrorException errors;
[7880579]1051 std::back_insert_iterator< std::list< Type * > > out( outputList );
[ba7aa2d]1052 const DeclarationNode * cur = firstNode;
[2298f728]1053
[a32b204]1054 while ( cur ) {
[b87a5ed]1055 try {
[ba7aa2d]1056 * out++ = cur->buildType();
[f2f512ba]1057 } catch( SemanticErrorException & e ) {
[b87a5ed]1058 errors.append( e );
[843054c2]1059 } // try
[7880579]1060 cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
[843054c2]1061 } // while
[2298f728]1062
[b87a5ed]1063 if ( ! errors.isEmpty() ) {
1064 throw errors;
[843054c2]1065 } // if
[2298f728]1066} // buildTypeList
[51b73452]1067
[ba7aa2d]1068Declaration * DeclarationNode::build() const {
[a16764a6]1069 if ( ! error.empty() ) SemanticError( this, error + " in declaration of " );
[2298f728]1070
[e994912]1071 if ( asmStmt ) {
[e3e16bc]1072 return new AsmDecl( strict_dynamic_cast<AsmStmt *>( asmStmt->build() ) );
[e994912]1073 } // if
1074
[07de76b]1075 if ( variable.tyClass != TypeDecl::NUMBER_OF_KINDS ) {
[f0ecf9b]1076 // otype is internally converted to dtype + otype parameters
1077 static const TypeDecl::Kind kindMap[] = { TypeDecl::Dtype, TypeDecl::Dtype, TypeDecl::Ftype, TypeDecl::Ttype };
[07de76b]1078 static_assert( sizeof(kindMap)/sizeof(kindMap[0]) == TypeDecl::NUMBER_OF_KINDS, "DeclarationNode::build: kindMap is out of sync." );
[8f60f0b]1079 assertf( variable.tyClass < sizeof(kindMap)/sizeof(kindMap[0]), "Variable's tyClass is out of bounds." );
[07de76b]1080 TypeDecl * ret = new TypeDecl( *name, Type::StorageClasses(), nullptr, kindMap[ variable.tyClass ], variable.tyClass == TypeDecl::Otype, variable.initializer ? variable.initializer->buildType() : nullptr );
[2298f728]1081 buildList( variable.assertions, ret->get_assertions() );
1082 return ret;
1083 } // if
1084
[843054c2]1085 if ( type ) {
[dd020c0]1086 // Function specifiers can only appear on a function definition/declaration.
1087 //
1088 // inline _Noreturn int f(); // allowed
1089 // inline _Noreturn int g( int i ); // allowed
1090 // inline _Noreturn int i; // disallowed
[fb04321]1091 if ( type->kind != TypeData::Function && funcSpecs.any() ) {
[a16764a6]1092 SemanticError( this, "invalid function specifier for " );
[dd020c0]1093 } // if
[284da8c]1094 // Forall qualifier can only appear on a function/aggregate definition/declaration.
1095 //
1096 // forall int f(); // allowed
1097 // forall int g( int i ); // allowed
1098 // forall int i; // disallowed
1099 if ( type->kind != TypeData::Function && type->forall ) {
1100 SemanticError( this, "invalid type qualifier for " );
1101 } // if
[3ed994e]1102 bool isDelete = initializer && initializer->get_isDelete();
1103 Declaration * decl = buildDecl( type, name ? *name : string( "" ), storageClasses, maybeBuild< Expression >( bitfieldWidth ), funcSpecs, linkage, asmName, isDelete ? nullptr : maybeBuild< Initializer >(initializer), attributes )->set_extension( extension );
1104 if ( isDelete ) {
1105 DeclarationWithType * dwt = strict_dynamic_cast<DeclarationWithType *>( decl );
1106 dwt->isDeleted = true;
1107 }
1108 return decl;
[843054c2]1109 } // if
[2298f728]1110
[f6e3e34]1111 if ( assert.condition ) {
1112 return new StaticAssertDecl( maybeBuild< Expression >( assert.condition ), strict_dynamic_cast< ConstantExpr * >( maybeClone( assert.message ) ) );
1113 }
1114
[dd020c0]1115 // SUE's cannot have function specifiers, either
1116 //
[79aae15]1117 // inline _Noreturn struct S { ... }; // disallowed
1118 // inline _Noreturn enum E { ... }; // disallowed
[fb04321]1119 if ( funcSpecs.any() ) {
[a16764a6]1120 SemanticError( this, "invalid function specifier for " );
[843054c2]1121 } // if
[dd020c0]1122 assertf( name, "ObjectDecl must a have name\n" );
[a7c90d4]1123 return (new ObjectDecl( *name, storageClasses, linkage, maybeBuild< Expression >( bitfieldWidth ), nullptr, maybeBuild< Initializer >( initializer ) ))->set_asmName( asmName )->set_extension( extension );
[51b73452]1124}
1125
[ba7aa2d]1126Type * DeclarationNode::buildType() const {
[b87a5ed]1127 assert( type );
[974906e2]1128
[faddbd8]1129 if ( attr.expr ) {
[c0aa336]1130 return new AttrType( buildQualifiers( type ), *name, attr.expr->build(), attributes );
[faddbd8]1131 } else if ( attr.type ) {
[c0aa336]1132 return new AttrType( buildQualifiers( type ), *name, attr.type->buildType(), attributes );
[2298f728]1133 } // if
1134
[b87a5ed]1135 switch ( type->kind ) {
[43c89a7]1136 case TypeData::Enum:
[b87a5ed]1137 case TypeData::Aggregate: {
[fa4805f]1138 ReferenceToType * ret = buildComAggInst( type, attributes, linkage );
[8f6f47d7]1139 buildList( type->aggregate.actuals, ret->get_parameters() );
[b87a5ed]1140 return ret;
1141 }
1142 case TypeData::Symbolic: {
[c0aa336]1143 TypeInstType * ret = new TypeInstType( buildQualifiers( type ), *type->symbolic.name, false, attributes );
[8f6f47d7]1144 buildList( type->symbolic.actuals, ret->get_parameters() );
[b87a5ed]1145 return ret;
1146 }
1147 default:
[c0aa336]1148 Type * simpletypes = typebuild( type );
1149 simpletypes->get_attributes() = attributes; // copy because member is const
1150 return simpletypes;
[b87a5ed]1151 } // switch
[3848e0e]1152}
1153
[b87a5ed]1154// Local Variables: //
1155// tab-width: 4 //
1156// mode: c++ //
1157// compile-command: "make install" //
1158// End: //
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