source: src/Parser/DeclarationNode.cc@ 99cadc60

ADT arm-eh ast-experimental enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since 99cadc60 was 033ff37, checked in by Peter A. Buhr <pabuhr@…>, 6 years ago

remove attribute expression '@'name mechanism
  • Property mode set to 100644
File size: 39.4 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
[033ff37]12// Last Modified On : Thu Jul 25 22:17:10 2019
13// Update Count : 1116
[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/LinkageSpec.h" // for Spec, linkageName, Cforall
27#include "Parser/ParseNode.h" // for DeclarationNode, ExpressionNode
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" };
[409433da]49const char * DeclarationNode::aggregateNames[] = { "struct", "union", "trait", "coroutine", "monitor", "thread", "NoAggregateNames" };
[dd020c0]50const char * DeclarationNode::typeClassNames[] = { "otype", "dtype", "ftype", "NoTypeClassNames" };
[f673c13c]51const char * DeclarationNode::builtinTypeNames[] = { "__builtin_va_list", "__auto_type", "zero_t", "one_t", "NoBuiltinTypeNames" };
[51b73452]52
53UniqueName DeclarationNode::anonymous( "__anonymous" );
54
[8b7ee09]55extern LinkageSpec::Spec linkage; // defined in parser.yy
[51b73452]56
[7d05e7e]57DeclarationNode::DeclarationNode() :
[e07caa2]58 linkage( ::linkage ) {
[2298f728]59
[faddbd8]60// variable.name = nullptr;
61 variable.tyClass = NoTypeClass;
[28307be]62 variable.assertions = nullptr;
[67cf18c]63 variable.initializer = nullptr;
[7d05e7e]64
[faddbd8]65// attr.name = nullptr;
[7d05e7e]66 attr.expr = nullptr;
67 attr.type = nullptr;
[f6e3e34]68
69 assert.condition = nullptr;
70 assert.message = nullptr;
[28307be]71}
72
73DeclarationNode::~DeclarationNode() {
[faddbd8]74// delete attr.name;
[28307be]75 delete attr.expr;
76 delete attr.type;
[2298f728]77
[faddbd8]78// delete variable.name;
[2298f728]79 delete variable.assertions;
[67cf18c]80 delete variable.initializer;
[2298f728]81
[28307be]82 delete type;
83 delete bitfieldWidth;
[e994912]84
85 delete asmStmt;
[58dd019]86 // asmName, no delete, passed to next stage
[28307be]87 delete initializer;
[f6e3e34]88
89 delete assert.condition;
90 delete assert.message;
[28307be]91}
92
[ba7aa2d]93DeclarationNode * DeclarationNode::clone() const {
94 DeclarationNode * newnode = new DeclarationNode;
[c0aa336]95 newnode->set_next( maybeClone( get_next() ) );
[2298f728]96 newnode->name = name ? new string( *name ) : nullptr;
[c0aa336]97
[2e5fa345]98 newnode->builtin = NoBuiltinType;
[c0aa336]99 newnode->type = maybeClone( type );
[679e644]100 newnode->inLine = inLine;
[a7c90d4]101 newnode->storageClasses = storageClasses;
102 newnode->funcSpecs = funcSpecs;
[08d5507b]103 newnode->bitfieldWidth = maybeClone( bitfieldWidth );
[c0aa336]104 newnode->enumeratorValue.reset( maybeClone( enumeratorValue.get() ) );
[b87a5ed]105 newnode->hasEllipsis = hasEllipsis;
106 newnode->linkage = linkage;
[58dd019]107 newnode->asmName = maybeClone( asmName );
[c0aa336]108 cloneAll( attributes, newnode->attributes );
109 newnode->initializer = maybeClone( initializer );
110 newnode->extension = extension;
[e994912]111 newnode->asmStmt = maybeClone( asmStmt );
[c0aa336]112 newnode->error = error;
[3848e0e]113
[faddbd8]114// newnode->variable.name = variable.name ? new string( *variable.name ) : nullptr;
[28307be]115 newnode->variable.tyClass = variable.tyClass;
[fb114fa1]116 newnode->variable.assertions = maybeClone( variable.assertions );
[67cf18c]117 newnode->variable.initializer = maybeClone( variable.initializer );
[3848e0e]118
[faddbd8]119// newnode->attr.name = attr.name ? new string( *attr.name ) : nullptr;
[28307be]120 newnode->attr.expr = maybeClone( attr.expr );
121 newnode->attr.type = maybeClone( attr.type );
[f6e3e34]122
123 newnode->assert.condition = maybeClone( assert.condition );
124 newnode->assert.message = maybeClone( assert.message );
[28307be]125 return newnode;
126} // DeclarationNode::clone
[3848e0e]127
[f2f512ba]128void DeclarationNode::print( std::ostream & os, int indent ) const {
[59db689]129 os << string( indent, ' ' );
[2298f728]130 if ( name ) {
131 os << *name << ": ";
[b87a5ed]132 } else {
[2298f728]133 os << "unnamed: ";
[68cd1ce]134 } // if
[51b73452]135
[b87a5ed]136 if ( linkage != LinkageSpec::Cforall ) {
[faddbd8]137 os << LinkageSpec::linkageName( linkage ) << " ";
[68cd1ce]138 } // if
[3848e0e]139
[6e8bd43]140 storageClasses.print( os );
141 funcSpecs.print( os );
[dd020c0]142
[b87a5ed]143 if ( type ) {
144 type->print( os, indent );
145 } else {
146 os << "untyped entity ";
[68cd1ce]147 } // if
[3848e0e]148
[b87a5ed]149 if ( bitfieldWidth ) {
[59db689]150 os << endl << string( indent + 2, ' ' ) << "with bitfield width ";
[b87a5ed]151 bitfieldWidth->printOneLine( os );
[68cd1ce]152 } // if
[3848e0e]153
[2298f728]154 if ( initializer ) {
[59db689]155 os << endl << string( indent + 2, ' ' ) << "with initializer ";
[b87a5ed]156 initializer->printOneLine( os );
[974906e2]157 os << " maybe constructed? " << initializer->get_maybeConstructed();
158
[68cd1ce]159 } // if
[3848e0e]160
[b87a5ed]161 os << endl;
[51b73452]162}
163
[f2f512ba]164void DeclarationNode::printList( std::ostream & os, int indent ) const {
[b87a5ed]165 ParseNode::printList( os, indent );
166 if ( hasEllipsis ) {
167 os << string( indent, ' ' ) << "and a variable number of other arguments" << endl;
[68cd1ce]168 } // if
[51b73452]169}
170
[25bca42]171DeclarationNode * DeclarationNode::newFunction( const string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body ) {
[ba7aa2d]172 DeclarationNode * newnode = new DeclarationNode;
[2298f728]173 newnode->name = name;
[b87a5ed]174 newnode->type = new TypeData( TypeData::Function );
[8f6f47d7]175 newnode->type->function.params = param;
176 newnode->type->function.body = body;
[c0aa336]177
[b87a5ed]178 if ( ret ) {
179 newnode->type->base = ret->type;
[2298f728]180 ret->type = nullptr;
[b87a5ed]181 delete ret;
[68cd1ce]182 } // if
[51b73452]183
[b87a5ed]184 return newnode;
[984dce6]185} // DeclarationNode::newFunction
[3848e0e]186
[dd020c0]187
[68fe077a]188DeclarationNode * DeclarationNode::newStorageClass( Type::StorageClasses sc ) {
[ba7aa2d]189 DeclarationNode * newnode = new DeclarationNode;
[08d5507b]190 newnode->storageClasses = sc;
[b87a5ed]191 return newnode;
[dd020c0]192} // DeclarationNode::newStorageClass
[3848e0e]193
[ddfd945]194DeclarationNode * DeclarationNode::newFuncSpecifier( Type::FuncSpecifiers fs ) {
[ba7aa2d]195 DeclarationNode * newnode = new DeclarationNode;
[08d5507b]196 newnode->funcSpecs = fs;
[c1c1112]197 return newnode;
[dd020c0]198} // DeclarationNode::newFuncSpecifier
[c1c1112]199
[738e304]200DeclarationNode * DeclarationNode::newTypeQualifier( Type::Qualifiers tq ) {
[ba7aa2d]201 DeclarationNode * newnode = new DeclarationNode;
[dd020c0]202 newnode->type = new TypeData();
[738e304]203 newnode->type->qualifiers = tq;
[b87a5ed]204 return newnode;
[dd020c0]205} // DeclarationNode::newQualifier
[3848e0e]206
[c1c1112]207DeclarationNode * DeclarationNode::newBasicType( BasicType bt ) {
[ba7aa2d]208 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]209 newnode->type = new TypeData( TypeData::Basic );
[5b639ee]210 newnode->type->basictype = bt;
[b87a5ed]211 return newnode;
[984dce6]212} // DeclarationNode::newBasicType
[3848e0e]213
[5b639ee]214DeclarationNode * DeclarationNode::newComplexType( ComplexType ct ) {
[ba7aa2d]215 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]216 newnode->type = new TypeData( TypeData::Basic );
[5b639ee]217 newnode->type->complextype = ct;
[b87a5ed]218 return newnode;
[5b639ee]219} // DeclarationNode::newComplexType
220
221DeclarationNode * DeclarationNode::newSignedNess( Signedness sn ) {
[ba7aa2d]222 DeclarationNode * newnode = new DeclarationNode;
[5b639ee]223 newnode->type = new TypeData( TypeData::Basic );
224 newnode->type->signedness = sn;
225 return newnode;
226} // DeclarationNode::newSignedNess
227
228DeclarationNode * DeclarationNode::newLength( Length lnth ) {
[ba7aa2d]229 DeclarationNode * newnode = new DeclarationNode;
[5b639ee]230 newnode->type = new TypeData( TypeData::Basic );
231 newnode->type->length = lnth;
232 return newnode;
233} // DeclarationNode::newLength
[3848e0e]234
[dd020c0]235DeclarationNode * DeclarationNode::newForall( DeclarationNode * forall ) {
236 DeclarationNode * newnode = new DeclarationNode;
237 newnode->type = new TypeData( TypeData::Unknown );
238 newnode->type->forall = forall;
239 return newnode;
240} // DeclarationNode::newForall
241
[25bca42]242DeclarationNode * DeclarationNode::newFromTypedef( const string * name ) {
[ba7aa2d]243 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]244 newnode->type = new TypeData( TypeData::SymbolicInst );
[fb114fa1]245 newnode->type->symbolic.name = name;
[8f6f47d7]246 newnode->type->symbolic.isTypedef = true;
[2298f728]247 newnode->type->symbolic.params = nullptr;
[b87a5ed]248 return newnode;
[984dce6]249} // DeclarationNode::newFromTypedef
[3848e0e]250
[47498bd]251DeclarationNode * DeclarationNode::newFromGlobalScope() {
252 DeclarationNode * newnode = new DeclarationNode;
253 newnode->type = new TypeData( TypeData::GlobalScope );
254 return newnode;
255}
256
[c5d7701]257DeclarationNode * DeclarationNode::newQualifiedType( DeclarationNode * parent, DeclarationNode * child) {
[c194661]258 DeclarationNode * newnode = new DeclarationNode;
259 newnode->type = new TypeData( TypeData::Qualified );
260 newnode->type->qualified.parent = parent->type;
261 newnode->type->qualified.child = child->type;
262 parent->type = nullptr;
263 child->type = nullptr;
264 delete parent;
265 delete child;
266 return newnode;
[c5d7701]267}
268
[fb114fa1]269DeclarationNode * DeclarationNode::newAggregate( Aggregate kind, const string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body ) {
[ba7aa2d]270 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]271 newnode->type = new TypeData( TypeData::Aggregate );
[8f6f47d7]272 newnode->type->aggregate.kind = kind;
[3d7e53b]273 newnode->type->aggregate.name = name == nullptr ? new string( DeclarationNode::anonymous.newName() ) : name;
[8f6f47d7]274 newnode->type->aggregate.actuals = actuals;
275 newnode->type->aggregate.fields = fields;
276 newnode->type->aggregate.body = body;
[6ea87486]277 newnode->type->aggregate.tagged = false;
278 newnode->type->aggregate.parent = nullptr;
[3d7e53b]279 newnode->type->aggregate.anon = name == nullptr;
[b87a5ed]280 return newnode;
[984dce6]281} // DeclarationNode::newAggregate
[3848e0e]282
[25bca42]283DeclarationNode * DeclarationNode::newEnum( const string * name, DeclarationNode * constants, bool body ) {
[ba7aa2d]284 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]285 newnode->type = new TypeData( TypeData::Enum );
[3d7e53b]286 newnode->type->enumeration.name = name == nullptr ? new string( DeclarationNode::anonymous.newName() ) : name;
[8f6f47d7]287 newnode->type->enumeration.constants = constants;
[ca1a547]288 newnode->type->enumeration.body = body;
[3d7e53b]289 newnode->type->enumeration.anon = name == nullptr;
[b87a5ed]290 return newnode;
[984dce6]291} // DeclarationNode::newEnum
[3848e0e]292
[25bca42]293DeclarationNode * DeclarationNode::newEnumConstant( const string * name, ExpressionNode * constant ) {
[ba7aa2d]294 DeclarationNode * newnode = new DeclarationNode;
[2298f728]295 newnode->name = name;
[4f147cc]296 newnode->enumeratorValue.reset( constant );
[b87a5ed]297 return newnode;
[984dce6]298} // DeclarationNode::newEnumConstant
[3848e0e]299
[25bca42]300DeclarationNode * DeclarationNode::newName( const string * name ) {
[ba7aa2d]301 DeclarationNode * newnode = new DeclarationNode;
[2298f728]302 newnode->name = name;
[b87a5ed]303 return newnode;
[984dce6]304} // DeclarationNode::newName
[3848e0e]305
[25bca42]306DeclarationNode * DeclarationNode::newFromTypeGen( const string * name, ExpressionNode * params ) {
[ba7aa2d]307 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]308 newnode->type = new TypeData( TypeData::SymbolicInst );
[fb114fa1]309 newnode->type->symbolic.name = name;
[8f6f47d7]310 newnode->type->symbolic.isTypedef = false;
311 newnode->type->symbolic.actuals = params;
[b87a5ed]312 return newnode;
[984dce6]313} // DeclarationNode::newFromTypeGen
[3848e0e]314
[25bca42]315DeclarationNode * DeclarationNode::newTypeParam( TypeClass tc, const string * name ) {
[ba7aa2d]316 DeclarationNode * newnode = new DeclarationNode;
[2298f728]317 newnode->type = nullptr;
[148f7290]318 assert( ! newnode->name );
[faddbd8]319// newnode->variable.name = name;
320 newnode->name = name;
[28307be]321 newnode->variable.tyClass = tc;
[faddbd8]322 newnode->variable.assertions = nullptr;
[b87a5ed]323 return newnode;
[984dce6]324} // DeclarationNode::newTypeParam
[3848e0e]325
[fb114fa1]326DeclarationNode * DeclarationNode::newTrait( const string * name, DeclarationNode * params, DeclarationNode * asserts ) {
[ba7aa2d]327 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]328 newnode->type = new TypeData( TypeData::Aggregate );
[2298f728]329 newnode->type->aggregate.name = name;
[8f6f47d7]330 newnode->type->aggregate.kind = Trait;
331 newnode->type->aggregate.params = params;
332 newnode->type->aggregate.fields = asserts;
[b87a5ed]333 return newnode;
[984dce6]334} // DeclarationNode::newTrait
[3848e0e]335
[fb114fa1]336DeclarationNode * DeclarationNode::newTraitUse( const string * name, ExpressionNode * params ) {
[ba7aa2d]337 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]338 newnode->type = new TypeData( TypeData::AggregateInst );
[8f6f47d7]339 newnode->type->aggInst.aggregate = new TypeData( TypeData::Aggregate );
340 newnode->type->aggInst.aggregate->aggregate.kind = Trait;
[2298f728]341 newnode->type->aggInst.aggregate->aggregate.name = name;
[8f6f47d7]342 newnode->type->aggInst.params = params;
[b87a5ed]343 return newnode;
[984dce6]344} // DeclarationNode::newTraitUse
[3848e0e]345
[25bca42]346DeclarationNode * DeclarationNode::newTypeDecl( const string * name, DeclarationNode * typeParams ) {
[ba7aa2d]347 DeclarationNode * newnode = new DeclarationNode;
[1395748]348 newnode->name = name;
[b87a5ed]349 newnode->type = new TypeData( TypeData::Symbolic );
[8f6f47d7]350 newnode->type->symbolic.isTypedef = false;
351 newnode->type->symbolic.params = typeParams;
[b87a5ed]352 return newnode;
[984dce6]353} // DeclarationNode::newTypeDecl
[3848e0e]354
[ce8c12f]355DeclarationNode * DeclarationNode::newPointer( DeclarationNode * qualifiers, OperKinds kind ) {
[ba7aa2d]356 DeclarationNode * newnode = new DeclarationNode;
[ce8c12f]357 newnode->type = new TypeData( kind == OperKinds::PointTo ? TypeData::Pointer : TypeData::Reference );
[71d0eab]358 if ( kind == OperKinds::And ) {
359 // T && is parsed as 'And' operator rather than two references => add a second reference type
360 TypeData * td = new TypeData( TypeData::Reference );
361 td->base = newnode->type;
362 newnode->type = td;
363 }
[c3396e0]364 if ( qualifiers ) {
365 return newnode->addQualifiers( qualifiers );
366 } else {
367 return newnode;
368 } // if
[984dce6]369} // DeclarationNode::newPointer
[3848e0e]370
[ba7aa2d]371DeclarationNode * DeclarationNode::newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic ) {
372 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]373 newnode->type = new TypeData( TypeData::Array );
[8f6f47d7]374 newnode->type->array.dimension = size;
375 newnode->type->array.isStatic = isStatic;
[2298f728]376 if ( newnode->type->array.dimension == nullptr || newnode->type->array.dimension->isExpressionType<ConstantExpr * >() ) {
[8f6f47d7]377 newnode->type->array.isVarLen = false;
[71bd8c6]378 } else {
[8f6f47d7]379 newnode->type->array.isVarLen = true;
[71bd8c6]380 } // if
[b87a5ed]381 return newnode->addQualifiers( qualifiers );
[984dce6]382} // DeclarationNode::newArray
[3848e0e]383
[ba7aa2d]384DeclarationNode * DeclarationNode::newVarArray( DeclarationNode * qualifiers ) {
385 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]386 newnode->type = new TypeData( TypeData::Array );
[2298f728]387 newnode->type->array.dimension = nullptr;
[8f6f47d7]388 newnode->type->array.isStatic = false;
389 newnode->type->array.isVarLen = true;
[b87a5ed]390 return newnode->addQualifiers( qualifiers );
[3848e0e]391}
392
[ba7aa2d]393DeclarationNode * DeclarationNode::newBitfield( ExpressionNode * size ) {
394 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]395 newnode->bitfieldWidth = size;
396 return newnode;
[3848e0e]397}
398
[ba7aa2d]399DeclarationNode * DeclarationNode::newTuple( DeclarationNode * members ) {
400 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]401 newnode->type = new TypeData( TypeData::Tuple );
[8f6f47d7]402 newnode->type->tuple = members;
[b87a5ed]403 return newnode;
[3848e0e]404}
405
[f855545]406DeclarationNode * DeclarationNode::newTypeof( ExpressionNode * expr, bool basetypeof ) {
[ba7aa2d]407 DeclarationNode * newnode = new DeclarationNode;
[f855545]408 newnode->type = new TypeData( basetypeof ? TypeData::Basetypeof : TypeData::Typeof );
[8f6f47d7]409 newnode->type->typeexpr = expr;
[b87a5ed]410 return newnode;
[3848e0e]411}
412
[8f6f47d7]413DeclarationNode * DeclarationNode::newBuiltinType( BuiltinType bt ) {
[ba7aa2d]414 DeclarationNode * newnode = new DeclarationNode;
[8f6f47d7]415 newnode->type = new TypeData( TypeData::Builtin );
416 newnode->builtin = bt;
[148f7290]417 newnode->type->builtintype = newnode->builtin;
[8f6f47d7]418 return newnode;
419} // DeclarationNode::newBuiltinType
420
[25bca42]421DeclarationNode * DeclarationNode::newAttribute( const string * name, ExpressionNode * expr ) {
[44a81853]422 DeclarationNode * newnode = new DeclarationNode;
423 newnode->type = nullptr;
424 std::list< Expression * > exprs;
425 buildList( expr, exprs );
426 newnode->attributes.push_back( new Attribute( *name, exprs ) );
427 delete name;
428 return newnode;
429}
430
[e994912]431DeclarationNode * DeclarationNode::newAsmStmt( StatementNode * stmt ) {
432 DeclarationNode * newnode = new DeclarationNode;
433 newnode->asmStmt = stmt;
434 return newnode;
435}
436
[f6e3e34]437DeclarationNode * DeclarationNode::newStaticAssert( ExpressionNode * condition, Expression * message ) {
438 DeclarationNode * newnode = new DeclarationNode;
439 newnode->assert.condition = condition;
440 newnode->assert.message = message;
441 return newnode;
442}
443
444
[5b639ee]445void appendError( string & dst, const string & src ) {
446 if ( src.empty() ) return;
447 if ( dst.empty() ) { dst = src; return; }
448 dst += ", " + src;
449} // appendError
450
[ba7aa2d]451void DeclarationNode::checkQualifiers( const TypeData * src, const TypeData * dst ) {
[738e304]452 const Type::Qualifiers qsrc = src->qualifiers, qdst = dst->qualifiers; // optimization
[c1c1112]453
[6f95000]454 if ( (qsrc & qdst).any() ) { // duplicates ?
[738e304]455 for ( unsigned int i = 0; i < Type::NumTypeQualifier; i += 1 ) { // find duplicates
[5b639ee]456 if ( qsrc[i] && qdst[i] ) {
[615a096]457 appendError( error, string( "duplicate " ) + Type::QualifiersNames[i] );
[c1c1112]458 } // if
459 } // for
[a7c90d4]460 } // for
[c1c1112]461} // DeclarationNode::checkQualifiers
462
[a7c90d4]463void DeclarationNode::checkSpecifiers( DeclarationNode * src ) {
[6f95000]464 if ( (funcSpecs & src->funcSpecs).any() ) { // duplicates ?
[ddfd945]465 for ( unsigned int i = 0; i < Type::NumFuncSpecifier; i += 1 ) { // find duplicates
[a7c90d4]466 if ( funcSpecs[i] && src->funcSpecs[i] ) {
[615a096]467 appendError( error, string( "duplicate " ) + Type::FuncSpecifiersNames[i] );
[dd020c0]468 } // if
469 } // for
470 } // if
471
[6e8bd43]472 if ( storageClasses.any() && src->storageClasses.any() ) { // any reason to check ?
[6f95000]473 if ( (storageClasses & src->storageClasses ).any() ) { // duplicates ?
[68fe077a]474 for ( unsigned int i = 0; i < Type::NumStorageClass; i += 1 ) { // find duplicates
[a7c90d4]475 if ( storageClasses[i] && src->storageClasses[i] ) {
[615a096]476 appendError( error, string( "duplicate " ) + Type::StorageClassesNames[i] );
[a7c90d4]477 } // if
478 } // for
479 // src is the new item being added and has a single bit
[08d5507b]480 } else if ( ! src->storageClasses.is_threadlocal ) { // conflict ?
[615a096]481 appendError( error, string( "conflicting " ) + Type::StorageClassesNames[storageClasses.ffs()] +
482 " & " + Type::StorageClassesNames[src->storageClasses.ffs()] );
[6f95000]483 src->storageClasses.reset(); // FIX to preserve invariant of one basic storage specifier
[b6424d9]484 } // if
485 } // if
[dd020c0]486
[a7c90d4]487 appendError( error, src->error );
488} // DeclarationNode::checkSpecifiers
[b6424d9]489
[a7c90d4]490DeclarationNode * DeclarationNode::copySpecifiers( DeclarationNode * q ) {
[6f95000]491 funcSpecs |= q->funcSpecs;
492 storageClasses |= q->storageClasses;
[c0aa336]493
494 for ( Attribute *attr: reverseIterate( q->attributes ) ) {
495 attributes.push_front( attr->clone() );
496 } // for
[b6424d9]497 return this;
[a7c90d4]498} // DeclarationNode::copySpecifiers
[b6424d9]499
[f2f512ba]500static void addQualifiersToType( TypeData *& src, TypeData * dst ) {
[101e0bd]501 if ( dst->base ) {
502 addQualifiersToType( src, dst->base );
503 } else if ( dst->kind == TypeData::Function ) {
504 dst->base = src;
[2298f728]505 src = nullptr;
[101e0bd]506 } else {
[6f95000]507 dst->qualifiers |= src->qualifiers;
[101e0bd]508 } // if
509} // addQualifiersToType
510
[ba7aa2d]511DeclarationNode * DeclarationNode::addQualifiers( DeclarationNode * q ) {
[af9da5f]512 if ( ! q ) { return this; } // empty qualifier
[101e0bd]513
[a7c90d4]514 checkSpecifiers( q );
515 copySpecifiers( q );
[101e0bd]516
[c38ae92]517 if ( ! q->type ) { delete q; return this; }
[101e0bd]518
519 if ( ! type ) {
[c38ae92]520 type = q->type; // reuse structure
[1b772749]521 q->type = nullptr;
522 delete q;
[101e0bd]523 return this;
524 } // if
525
[c38ae92]526 if ( q->type->forall ) { // forall qualifier ?
527 if ( type->forall ) { // polymorphic routine ?
528 type->forall->appendList( q->type->forall ); // augment forall qualifier
[101e0bd]529 } else {
[c38ae92]530 if ( type->kind == TypeData::Aggregate ) { // struct/union ?
531 if ( type->aggregate.params ) { // polymorphic ?
532 type->aggregate.params->appendList( q->type->forall ); // augment forall qualifier
533 } else { // not polymorphic
[a1c9ddd]534 type->aggregate.params = q->type->forall; // set forall qualifier
[c38ae92]535 } // if
536 } else { // not polymorphic
537 type->forall = q->type->forall; // make polymorphic routine
[68cd1ce]538 } // if
539 } // if
[c38ae92]540 q->type->forall = nullptr; // forall qualifier moved
[68cd1ce]541 } // if
[6ef2d81]542
[a7c90d4]543 checkQualifiers( type, q->type );
[af9da5f]544 if ( (builtin == Zero || builtin == One) && q->type->qualifiers.val != 0 && error.length() == 0 ) {
[f14d956]545 SemanticWarning( yylloc, Warning::BadQualifiersZeroOne, Type::QualifiersNames[ilog2( q->type->qualifiers.val )], builtinTypeNames[builtin] );
[9dc31c10]546 } // if
[6ef2d81]547 addQualifiersToType( q->type, type );
548
[b87a5ed]549 delete q;
550 return this;
[101e0bd]551} // addQualifiers
[3848e0e]552
[f2f512ba]553static void addTypeToType( TypeData *& src, TypeData *& dst ) {
[101e0bd]554 if ( src->forall && dst->kind == TypeData::Function ) {
555 if ( dst->forall ) {
556 dst->forall->appendList( src->forall );
[b87a5ed]557 } else {
[101e0bd]558 dst->forall = src->forall;
559 } // if
[2298f728]560 src->forall = nullptr;
[101e0bd]561 } // if
562 if ( dst->base ) {
563 addTypeToType( src, dst->base );
564 } else {
565 switch ( dst->kind ) {
566 case TypeData::Unknown:
[6f95000]567 src->qualifiers |= dst->qualifiers;
[101e0bd]568 dst = src;
[2298f728]569 src = nullptr;
[101e0bd]570 break;
571 case TypeData::Basic:
[6f95000]572 dst->qualifiers |= src->qualifiers;
[101e0bd]573 if ( src->kind != TypeData::Unknown ) {
574 assert( src->kind == TypeData::Basic );
575
576 if ( dst->basictype == DeclarationNode::NoBasicType ) {
577 dst->basictype = src->basictype;
578 } else if ( src->basictype != DeclarationNode::NoBasicType )
[a16764a6]579 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::basicTypeNames[ src->basictype ] + " in type: " );
[101e0bd]580
581 if ( dst->complextype == DeclarationNode::NoComplexType ) {
582 dst->complextype = src->complextype;
583 } else if ( src->complextype != DeclarationNode::NoComplexType )
[a16764a6]584 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::complexTypeNames[ src->complextype ] + " in type: " );
[101e0bd]585
586 if ( dst->signedness == DeclarationNode::NoSignedness ) {
587 dst->signedness = src->signedness;
588 } else if ( src->signedness != DeclarationNode::NoSignedness )
[a16764a6]589 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::signednessNames[ src->signedness ] + " in type: " );
[101e0bd]590
591 if ( dst->length == DeclarationNode::NoLength ) {
592 dst->length = src->length;
593 } else if ( dst->length == DeclarationNode::Long && src->length == DeclarationNode::Long ) {
594 dst->length = DeclarationNode::LongLong;
595 } else if ( src->length != DeclarationNode::NoLength )
[a16764a6]596 SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::lengthNames[ src->length ] + " in type: " );
[101e0bd]597 } // if
598 break;
599 default:
600 switch ( src->kind ) {
601 case TypeData::Aggregate:
602 case TypeData::Enum:
603 dst->base = new TypeData( TypeData::AggregateInst );
604 dst->base->aggInst.aggregate = src;
605 if ( src->kind == TypeData::Aggregate ) {
606 dst->base->aggInst.params = maybeClone( src->aggregate.actuals );
[68cd1ce]607 } // if
[6f95000]608 dst->base->qualifiers |= src->qualifiers;
[2298f728]609 src = nullptr;
[b87a5ed]610 break;
611 default:
[101e0bd]612 if ( dst->forall ) {
613 dst->forall->appendList( src->forall );
614 } else {
615 dst->forall = src->forall;
616 } // if
[2298f728]617 src->forall = nullptr;
[101e0bd]618 dst->base = src;
[2298f728]619 src = nullptr;
[68cd1ce]620 } // switch
[101e0bd]621 } // switch
[68cd1ce]622 } // if
[3848e0e]623}
624
[ba7aa2d]625DeclarationNode * DeclarationNode::addType( DeclarationNode * o ) {
[b87a5ed]626 if ( o ) {
[a7c90d4]627 checkSpecifiers( o );
628 copySpecifiers( o );
[b87a5ed]629 if ( o->type ) {
630 if ( ! type ) {
631 if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) {
632 type = new TypeData( TypeData::AggregateInst );
[8f6f47d7]633 type->aggInst.aggregate = o->type;
[b87a5ed]634 if ( o->type->kind == TypeData::Aggregate ) {
[43c89a7]635 type->aggInst.hoistType = o->type->aggregate.body;
[8f6f47d7]636 type->aggInst.params = maybeClone( o->type->aggregate.actuals );
[43c89a7]637 } else {
638 type->aggInst.hoistType = o->type->enumeration.body;
[68cd1ce]639 } // if
[6f95000]640 type->qualifiers |= o->type->qualifiers;
[b87a5ed]641 } else {
642 type = o->type;
[68cd1ce]643 } // if
[2298f728]644 o->type = nullptr;
[b87a5ed]645 } else {
646 addTypeToType( o->type, type );
[68cd1ce]647 } // if
648 } // if
[b87a5ed]649 if ( o->bitfieldWidth ) {
650 bitfieldWidth = o->bitfieldWidth;
[68cd1ce]651 } // if
[71bd8c6]652
653 // there may be typedefs chained onto the type
[1d4580a]654 if ( o->get_next() ) {
655 set_last( o->get_next()->clone() );
[1db21619]656 } // if
[68cd1ce]657 } // if
[b87a5ed]658 delete o;
659 return this;
[3848e0e]660}
661
[ba7aa2d]662DeclarationNode * DeclarationNode::addTypedef() {
663 TypeData * newtype = new TypeData( TypeData::Symbolic );
[2298f728]664 newtype->symbolic.params = nullptr;
[8f6f47d7]665 newtype->symbolic.isTypedef = true;
[2298f728]666 newtype->symbolic.name = name ? new string( *name ) : nullptr;
[b87a5ed]667 newtype->base = type;
668 type = newtype;
669 return this;
[3848e0e]670}
671
[ba7aa2d]672DeclarationNode * DeclarationNode::addAssertions( DeclarationNode * assertions ) {
[faddbd8]673 if ( variable.tyClass != NoTypeClass ) {
[2298f728]674 if ( variable.assertions ) {
675 variable.assertions->appendList( assertions );
676 } else {
677 variable.assertions = assertions;
678 } // if
679 return this;
680 } // if
681
[b87a5ed]682 assert( type );
683 switch ( type->kind ) {
684 case TypeData::Symbolic:
[8f6f47d7]685 if ( type->symbolic.assertions ) {
686 type->symbolic.assertions->appendList( assertions );
[b87a5ed]687 } else {
[8f6f47d7]688 type->symbolic.assertions = assertions;
[68cd1ce]689 } // if
[b87a5ed]690 break;
691 default:
692 assert( false );
[68cd1ce]693 } // switch
[974906e2]694
[b87a5ed]695 return this;
[51b73452]696}
697
[fb114fa1]698DeclarationNode * DeclarationNode::addName( string * newname ) {
[2298f728]699 assert( ! name );
700 name = newname;
[b87a5ed]701 return this;
[51b73452]702}
703
[c0aa336]704DeclarationNode * DeclarationNode::addAsmName( DeclarationNode * newname ) {
[58dd019]705 assert( ! asmName );
[c0aa336]706 asmName = newname ? newname->asmName : nullptr;
707 return this->addQualifiers( newname );
[58dd019]708}
709
[ba7aa2d]710DeclarationNode * DeclarationNode::addBitfield( ExpressionNode * size ) {
[b87a5ed]711 bitfieldWidth = size;
712 return this;
[51b73452]713}
714
[ba7aa2d]715DeclarationNode * DeclarationNode::addVarArgs() {
[b87a5ed]716 assert( type );
717 hasEllipsis = true;
718 return this;
[51b73452]719}
720
[c453ac4]721DeclarationNode * DeclarationNode::addFunctionBody( StatementNode * body, ExpressionNode * withExprs ) {
[b87a5ed]722 assert( type );
723 assert( type->kind == TypeData::Function );
[2298f728]724 assert( ! type->function.body );
[8f6f47d7]725 type->function.body = body;
[c453ac4]726 type->function.withExprs = withExprs;
[b87a5ed]727 return this;
[51b73452]728}
729
[ba7aa2d]730DeclarationNode * DeclarationNode::addOldDeclList( DeclarationNode * list ) {
[b87a5ed]731 assert( type );
732 assert( type->kind == TypeData::Function );
[2298f728]733 assert( ! type->function.oldDeclList );
[8f6f47d7]734 type->function.oldDeclList = list;
[b87a5ed]735 return this;
[51b73452]736}
737
[c0aa336]738DeclarationNode * DeclarationNode::setBase( TypeData * newType ) {
[b87a5ed]739 if ( type ) {
[ba7aa2d]740 TypeData * prevBase = type;
741 TypeData * curBase = type->base;
[2298f728]742 while ( curBase != nullptr ) {
[b87a5ed]743 prevBase = curBase;
744 curBase = curBase->base;
[68cd1ce]745 } // while
[b87a5ed]746 prevBase->base = newType;
747 } else {
748 type = newType;
[68cd1ce]749 } // if
[c0aa336]750 return this;
[3848e0e]751}
752
[c0aa336]753DeclarationNode * DeclarationNode::copyAttribute( DeclarationNode * a ) {
754 if ( a ) {
755 for ( Attribute *attr: reverseIterate( a->attributes ) ) {
756 attributes.push_front( attr );
757 } // for
758 a->attributes.clear();
759 } // if
760 return this;
761} // copyAttribute
762
[ba7aa2d]763DeclarationNode * DeclarationNode::addPointer( DeclarationNode * p ) {
[b87a5ed]764 if ( p ) {
[6926a6d]765 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
[c0aa336]766 setBase( p->type );
[2298f728]767 p->type = nullptr;
[c0aa336]768 copyAttribute( p );
[b87a5ed]769 delete p;
[68cd1ce]770 } // if
[b87a5ed]771 return this;
[3848e0e]772}
773
[ba7aa2d]774DeclarationNode * DeclarationNode::addArray( DeclarationNode * a ) {
[b87a5ed]775 if ( a ) {
776 assert( a->type->kind == TypeData::Array );
[c0aa336]777 setBase( a->type );
[2298f728]778 a->type = nullptr;
[c0aa336]779 copyAttribute( a );
[b87a5ed]780 delete a;
[68cd1ce]781 } // if
[b87a5ed]782 return this;
[51b73452]783}
784
[ba7aa2d]785DeclarationNode * DeclarationNode::addNewPointer( DeclarationNode * p ) {
[b87a5ed]786 if ( p ) {
[e6cee92]787 assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference );
[b87a5ed]788 if ( type ) {
789 switch ( type->kind ) {
790 case TypeData::Aggregate:
791 case TypeData::Enum:
792 p->type->base = new TypeData( TypeData::AggregateInst );
[8f6f47d7]793 p->type->base->aggInst.aggregate = type;
[b87a5ed]794 if ( type->kind == TypeData::Aggregate ) {
[8f6f47d7]795 p->type->base->aggInst.params = maybeClone( type->aggregate.actuals );
[68cd1ce]796 } // if
[6f95000]797 p->type->base->qualifiers |= type->qualifiers;
[b87a5ed]798 break;
799
800 default:
801 p->type->base = type;
[68cd1ce]802 } // switch
[2298f728]803 type = nullptr;
[68cd1ce]804 } // if
[b87a5ed]805 delete this;
806 return p;
807 } else {
808 return this;
[68cd1ce]809 } // if
[51b73452]810}
811
[ba7aa2d]812static TypeData * findLast( TypeData * a ) {
[b87a5ed]813 assert( a );
[ba7aa2d]814 TypeData * cur = a;
[a32b204]815 while ( cur->base ) {
[b87a5ed]816 cur = cur->base;
[68cd1ce]817 } // while
[b87a5ed]818 return cur;
[3848e0e]819}
820
[ba7aa2d]821DeclarationNode * DeclarationNode::addNewArray( DeclarationNode * a ) {
[738e304]822 if ( ! a ) return this;
823 assert( a->type->kind == TypeData::Array );
824 TypeData * lastArray = findLast( a->type );
825 if ( type ) {
826 switch ( type->kind ) {
827 case TypeData::Aggregate:
828 case TypeData::Enum:
829 lastArray->base = new TypeData( TypeData::AggregateInst );
830 lastArray->base->aggInst.aggregate = type;
831 if ( type->kind == TypeData::Aggregate ) {
832 lastArray->base->aggInst.params = maybeClone( type->aggregate.actuals );
833 } // if
[6f95000]834 lastArray->base->qualifiers |= type->qualifiers;
[738e304]835 break;
836 default:
837 lastArray->base = type;
838 } // switch
839 type = nullptr;
[68cd1ce]840 } // if
[738e304]841 delete this;
842 return a;
[51b73452]843}
[3848e0e]844
[ba7aa2d]845DeclarationNode * DeclarationNode::addParamList( DeclarationNode * params ) {
846 TypeData * ftype = new TypeData( TypeData::Function );
[8f6f47d7]847 ftype->function.params = params;
[c0aa336]848 setBase( ftype );
[b87a5ed]849 return this;
[3848e0e]850}
851
[ba7aa2d]852static TypeData * addIdListToType( TypeData * type, DeclarationNode * ids ) {
[b87a5ed]853 if ( type ) {
854 if ( type->kind != TypeData::Function ) {
855 type->base = addIdListToType( type->base, ids );
856 } else {
[8f6f47d7]857 type->function.idList = ids;
[68cd1ce]858 } // if
[b87a5ed]859 return type;
[3848e0e]860 } else {
[ba7aa2d]861 TypeData * newtype = new TypeData( TypeData::Function );
[8f6f47d7]862 newtype->function.idList = ids;
[b87a5ed]863 return newtype;
[68cd1ce]864 } // if
[2298f728]865} // addIdListToType
[974906e2]866
[ba7aa2d]867DeclarationNode * DeclarationNode::addIdList( DeclarationNode * ids ) {
[b87a5ed]868 type = addIdListToType( type, ids );
869 return this;
[3848e0e]870}
871
[ba7aa2d]872DeclarationNode * DeclarationNode::addInitializer( InitializerNode * init ) {
[b87a5ed]873 initializer = init;
874 return this;
[3848e0e]875}
876
[67cf18c]877DeclarationNode * DeclarationNode::addTypeInitializer( DeclarationNode * init ) {
878 assertf( variable.tyClass != NoTypeClass, "Called addTypeInitializer on something that isn't a type variable." );
879 variable.initializer = init;
880 return this;
881}
882
[ba7aa2d]883DeclarationNode * DeclarationNode::cloneType( string * newName ) {
884 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]885 newnode->type = maybeClone( type );
[a7c90d4]886 newnode->copySpecifiers( this );
[ba7aa2d]887 assert( newName );
[2298f728]888 newnode->name = newName;
[b87a5ed]889 return newnode;
[3848e0e]890}
891
[2298f728]892DeclarationNode * DeclarationNode::cloneBaseType( DeclarationNode * o ) {
893 if ( ! o ) return nullptr;
894
[a7c90d4]895 o->copySpecifiers( this );
[2298f728]896 if ( type ) {
897 TypeData * srcType = type;
898
[c0aa336]899 // search for the base type by scanning off pointers and array designators
[2298f728]900 while ( srcType->base ) {
901 srcType = srcType->base;
902 } // while
903
904 TypeData * newType = srcType->clone();
905 if ( newType->kind == TypeData::AggregateInst ) {
906 // don't duplicate members
907 if ( newType->aggInst.aggregate->kind == TypeData::Enum ) {
908 delete newType->aggInst.aggregate->enumeration.constants;
909 newType->aggInst.aggregate->enumeration.constants = nullptr;
[b2da0574]910 newType->aggInst.aggregate->enumeration.body = false;
[b87a5ed]911 } else {
[2298f728]912 assert( newType->aggInst.aggregate->kind == TypeData::Aggregate );
913 delete newType->aggInst.aggregate->aggregate.fields;
914 newType->aggInst.aggregate->aggregate.fields = nullptr;
[b2da0574]915 newType->aggInst.aggregate->aggregate.body = false;
[68cd1ce]916 } // if
[43c89a7]917 // don't hoist twice
918 newType->aggInst.hoistType = false;
[68cd1ce]919 } // if
[2298f728]920
921 newType->forall = maybeClone( type->forall );
922 if ( ! o->type ) {
923 o->type = newType;
924 } else {
925 addTypeToType( newType, o->type );
926 delete newType;
927 } // if
[68cd1ce]928 } // if
[b87a5ed]929 return o;
[51b73452]930}
931
[ba7aa2d]932DeclarationNode * DeclarationNode::extractAggregate() const {
[b87a5ed]933 if ( type ) {
[ba7aa2d]934 TypeData * ret = typeextractAggregate( type );
[b87a5ed]935 if ( ret ) {
[ba7aa2d]936 DeclarationNode * newnode = new DeclarationNode;
[b87a5ed]937 newnode->type = ret;
938 return newnode;
[843054c2]939 } // if
940 } // if
[2298f728]941 return nullptr;
[3848e0e]942}
943
[f2f512ba]944void buildList( const DeclarationNode * firstNode, std::list< Declaration * > & outputList ) {
[a16764a6]945 SemanticErrorException errors;
[7880579]946 std::back_insert_iterator< std::list< Declaration * > > out( outputList );
[2298f728]947
[3a5131ed]948 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
[b87a5ed]949 try {
[3d7e53b]950 bool extracted = false;
951 bool anon = false;
[ba7aa2d]952 if ( DeclarationNode * extr = cur->extractAggregate() ) {
[b87a5ed]953 // handle the case where a structure declaration is contained within an object or type declaration
[ba7aa2d]954 Declaration * decl = extr->build();
[b87a5ed]955 if ( decl ) {
[3d7e53b]956 // hoist the structure declaration
[294647b]957 decl->location = cur->location;
[ba7aa2d]958 * out++ = decl;
[3d7e53b]959
960 // need to remember the cases where a declaration contains an anonymous aggregate definition
961 extracted = true;
962 assert( extr->type );
963 if ( extr->type->kind == TypeData::Aggregate ) {
964 anon = extr->type->aggregate.anon;
965 } else if ( extr->type->kind == TypeData::Enum ) {
966 // xxx - is it useful to have an implicit anonymous enum member?
967 anon = extr->type->enumeration.anon;
968 }
[843054c2]969 } // if
[f39096c]970 delete extr;
[843054c2]971 } // if
[2298f728]972
[ba7aa2d]973 Declaration * decl = cur->build();
[b87a5ed]974 if ( decl ) {
[3d7e53b]975 // don't include anonymous declaration for named aggregates, but do include them for anonymous aggregates, e.g.:
976 // struct S {
977 // struct T { int x; }; // no anonymous member
978 // struct { int y; }; // anonymous member
979 // struct T; // anonymous member
980 // };
[e07caa2]981 if ( ! (extracted && decl->name == "" && ! anon && ! cur->get_inLine()) ) {
982 if ( decl->name == "" ) {
[2e02851]983 if ( DeclarationWithType * dwt = dynamic_cast<DeclarationWithType *>( decl ) ) {
984 if ( ReferenceToType * aggr = dynamic_cast<ReferenceToType *>( dwt->get_type() ) ) {
985 if ( aggr->name.find("anonymous") == std::string::npos ) {
[e07caa2]986 if ( ! cur->get_inLine() ) {
987 // temporary: warn about anonymous member declarations of named types, since
988 // this conflicts with the syntax for the forward declaration of an anonymous type
[2e02851]989 SemanticWarning( cur->location, Warning::AggrForwardDecl, aggr->name.c_str() );
[e07caa2]990 } // if
991 } // if
992 } // if
993 } // if
994 } // if
[3d7e53b]995 decl->location = cur->location;
[e07caa2]996 *out++ = decl;
997 } // if
[843054c2]998 } // if
[f2f512ba]999 } catch( SemanticErrorException & e ) {
[b87a5ed]1000 errors.append( e );
[843054c2]1001 } // try
[e07caa2]1002 } // for
[2298f728]1003
[b87a5ed]1004 if ( ! errors.isEmpty() ) {
1005 throw errors;
[843054c2]1006 } // if
[2298f728]1007} // buildList
[3848e0e]1008
[3d7e53b]1009// currently only builds assertions, function parameters, and return values
[f2f512ba]1010void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > & outputList ) {
[a16764a6]1011 SemanticErrorException errors;
[7880579]1012 std::back_insert_iterator< std::list< DeclarationWithType * > > out( outputList );
[43c89a7]1013
[3a5131ed]1014 for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
[b87a5ed]1015 try {
[ba7aa2d]1016 Declaration * decl = cur->build();
[47498bd]1017 assert( decl );
1018 if ( DeclarationWithType * dwt = dynamic_cast< DeclarationWithType * >( decl ) ) {
1019 dwt->location = cur->location;
1020 * out++ = dwt;
1021 } else if ( StructDecl * agg = dynamic_cast< StructDecl * >( decl ) ) {
[3d7e53b]1022 // e.g., int foo(struct S) {}
[47498bd]1023 StructInstType * inst = new StructInstType( Type::Qualifiers(), agg->name );
1024 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1025 obj->location = cur->location;
1026 * out++ = obj;
1027 delete agg;
1028 } else if ( UnionDecl * agg = dynamic_cast< UnionDecl * >( decl ) ) {
[3d7e53b]1029 // e.g., int foo(union U) {}
[47498bd]1030 UnionInstType * inst = new UnionInstType( Type::Qualifiers(), agg->name );
1031 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1032 obj->location = cur->location;
1033 * out++ = obj;
[3d7e53b]1034 } else if ( EnumDecl * agg = dynamic_cast< EnumDecl * >( decl ) ) {
1035 // e.g., int foo(enum E) {}
1036 EnumInstType * inst = new EnumInstType( Type::Qualifiers(), agg->name );
1037 auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr );
1038 obj->location = cur->location;
1039 * out++ = obj;
[843054c2]1040 } // if
[f2f512ba]1041 } catch( SemanticErrorException & e ) {
[b87a5ed]1042 errors.append( e );
[843054c2]1043 } // try
[3a5131ed]1044 } // for
1045
[b87a5ed]1046 if ( ! errors.isEmpty() ) {
1047 throw errors;
[843054c2]1048 } // if
[2298f728]1049} // buildList
[3848e0e]1050
[f2f512ba]1051void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > & outputList ) {
[a16764a6]1052 SemanticErrorException errors;
[7880579]1053 std::back_insert_iterator< std::list< Type * > > out( outputList );
[ba7aa2d]1054 const DeclarationNode * cur = firstNode;
[2298f728]1055
[a32b204]1056 while ( cur ) {
[b87a5ed]1057 try {
[ba7aa2d]1058 * out++ = cur->buildType();
[f2f512ba]1059 } catch( SemanticErrorException & e ) {
[b87a5ed]1060 errors.append( e );
[843054c2]1061 } // try
[7880579]1062 cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
[843054c2]1063 } // while
[2298f728]1064
[b87a5ed]1065 if ( ! errors.isEmpty() ) {
1066 throw errors;
[843054c2]1067 } // if
[2298f728]1068} // buildTypeList
[51b73452]1069
[ba7aa2d]1070Declaration * DeclarationNode::build() const {
[a16764a6]1071 if ( ! error.empty() ) SemanticError( this, error + " in declaration of " );
[2298f728]1072
[e994912]1073 if ( asmStmt ) {
[e3e16bc]1074 return new AsmDecl( strict_dynamic_cast<AsmStmt *>( asmStmt->build() ) );
[e994912]1075 } // if
1076
[faddbd8]1077 if ( variable.tyClass != NoTypeClass ) {
[f0ecf9b]1078 // otype is internally converted to dtype + otype parameters
1079 static const TypeDecl::Kind kindMap[] = { TypeDecl::Dtype, TypeDecl::Dtype, TypeDecl::Ftype, TypeDecl::Ttype };
1080 assertf( sizeof(kindMap)/sizeof(kindMap[0]) == NoTypeClass, "DeclarationNode::build: kindMap is out of sync." );
[8f60f0b]1081 assertf( variable.tyClass < sizeof(kindMap)/sizeof(kindMap[0]), "Variable's tyClass is out of bounds." );
[f0ecf9b]1082 TypeDecl * ret = new TypeDecl( *name, Type::StorageClasses(), nullptr, kindMap[ variable.tyClass ], variable.tyClass == Otype, variable.initializer ? variable.initializer->buildType() : nullptr );
[2298f728]1083 buildList( variable.assertions, ret->get_assertions() );
1084 return ret;
1085 } // if
1086
[843054c2]1087 if ( type ) {
[dd020c0]1088 // Function specifiers can only appear on a function definition/declaration.
1089 //
1090 // inline _Noreturn int f(); // allowed
1091 // inline _Noreturn int g( int i ); // allowed
1092 // inline _Noreturn int i; // disallowed
[fb04321]1093 if ( type->kind != TypeData::Function && funcSpecs.any() ) {
[a16764a6]1094 SemanticError( this, "invalid function specifier for " );
[dd020c0]1095 } // if
[284da8c]1096 // Forall qualifier can only appear on a function/aggregate definition/declaration.
1097 //
1098 // forall int f(); // allowed
1099 // forall int g( int i ); // allowed
1100 // forall int i; // disallowed
1101 if ( type->kind != TypeData::Function && type->forall ) {
1102 SemanticError( this, "invalid type qualifier for " );
1103 } // if
[3ed994e]1104 bool isDelete = initializer && initializer->get_isDelete();
1105 Declaration * decl = buildDecl( type, name ? *name : string( "" ), storageClasses, maybeBuild< Expression >( bitfieldWidth ), funcSpecs, linkage, asmName, isDelete ? nullptr : maybeBuild< Initializer >(initializer), attributes )->set_extension( extension );
1106 if ( isDelete ) {
1107 DeclarationWithType * dwt = strict_dynamic_cast<DeclarationWithType *>( decl );
1108 dwt->isDeleted = true;
1109 }
1110 return decl;
[843054c2]1111 } // if
[2298f728]1112
[f6e3e34]1113 if ( assert.condition ) {
1114 return new StaticAssertDecl( maybeBuild< Expression >( assert.condition ), strict_dynamic_cast< ConstantExpr * >( maybeClone( assert.message ) ) );
1115 }
1116
[dd020c0]1117 // SUE's cannot have function specifiers, either
1118 //
1119 // inlne _Noreturn struct S { ... }; // disallowed
1120 // inlne _Noreturn enum E { ... }; // disallowed
[fb04321]1121 if ( funcSpecs.any() ) {
[a16764a6]1122 SemanticError( this, "invalid function specifier for " );
[843054c2]1123 } // if
[dd020c0]1124 assertf( name, "ObjectDecl must a have name\n" );
[a7c90d4]1125 return (new ObjectDecl( *name, storageClasses, linkage, maybeBuild< Expression >( bitfieldWidth ), nullptr, maybeBuild< Initializer >( initializer ) ))->set_asmName( asmName )->set_extension( extension );
[51b73452]1126}
1127
[ba7aa2d]1128Type * DeclarationNode::buildType() const {
[b87a5ed]1129 assert( type );
[974906e2]1130
[faddbd8]1131 if ( attr.expr ) {
[c0aa336]1132 return new AttrType( buildQualifiers( type ), *name, attr.expr->build(), attributes );
[faddbd8]1133 } else if ( attr.type ) {
[c0aa336]1134 return new AttrType( buildQualifiers( type ), *name, attr.type->buildType(), attributes );
[2298f728]1135 } // if
1136
[b87a5ed]1137 switch ( type->kind ) {
[43c89a7]1138 case TypeData::Enum:
[b87a5ed]1139 case TypeData::Aggregate: {
[fa4805f]1140 ReferenceToType * ret = buildComAggInst( type, attributes, linkage );
[8f6f47d7]1141 buildList( type->aggregate.actuals, ret->get_parameters() );
[b87a5ed]1142 return ret;
1143 }
1144 case TypeData::Symbolic: {
[c0aa336]1145 TypeInstType * ret = new TypeInstType( buildQualifiers( type ), *type->symbolic.name, false, attributes );
[8f6f47d7]1146 buildList( type->symbolic.actuals, ret->get_parameters() );
[b87a5ed]1147 return ret;
1148 }
1149 default:
[c0aa336]1150 Type * simpletypes = typebuild( type );
1151 simpletypes->get_attributes() = attributes; // copy because member is const
1152 return simpletypes;
[b87a5ed]1153 } // switch
[3848e0e]1154}
1155
[b87a5ed]1156// Local Variables: //
1157// tab-width: 4 //
1158// mode: c++ //
1159// compile-command: "make install" //
1160// End: //
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