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source: src/Parser/DeclarationNode.cc@ 04cdd9b

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Last change on this file since 04cdd9b was ac71a86, checked in by Thierry Delisle <tdelisle@…>, 9 years ago
removed more memory leaks from the system
Property mode set to `100644`
File size: 29.6 KB

Rev	Line
[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
[8e9cbb2]	11	// Last Modified By : Peter A. Buhr
[8b7ee09]	12	// Last Modified On : Thu Aug 18 23:48:23 2016
	13	// Update Count : 182
[b87a5ed]	14	//
	15
[51b73452]	16	#include <string>
	17	#include <list>
	18	#include <iterator>
	19	#include <algorithm>
	20	#include <cassert>
	21
	22	#include "TypeData.h"
[bdd516a]	23
[68cd1ce]	24	#include "SynTree/Declaration.h"
	25	#include "SynTree/Expression.h"
[51b73452]	26
[de62360d]	27	#include "TypedefTable.h"
	28	extern TypedefTable typedefTable;
	29
[51b73452]	30	using namespace std;
	31
[bdd516a]	32	// These must remain in the same order as the corresponding DeclarationNode enumerations.
[68cd1ce]	33	const char *DeclarationNode::storageName[] = { "extern", "static", "auto", "register", "inline", "fortran", "_Noreturn", "_Thread_local", "" };
[bdd516a]	34	const char *DeclarationNode::qualifierName[] = { "const", "restrict", "volatile", "lvalue", "_Atomic" };
[90c3b1c]	35	const char *DeclarationNode::basicTypeName[] = { "char", "int", "float", "double", "void", "_Bool", "_Complex", "_Imaginary", };
[68cd1ce]	36	const char *DeclarationNode::modifierName[] = { "signed", "unsigned", "short", "long" };
	37	const char *DeclarationNode::aggregateName[] = { "struct", "union", "context" };
[51b73452]	38	const char *DeclarationNode::typeClassName[] = { "type", "dtype", "ftype" };
[90c3b1c]	39	const char *DeclarationNode::builtinTypeName[] = { "__builtin_va_list" };
[51b73452]	40
	41	UniqueName DeclarationNode::anonymous( "__anonymous" );
	42
[8b7ee09]	43	extern LinkageSpec::Spec linkage; // defined in parser.yy
[51b73452]	44
[3848e0e]	45	DeclarationNode *DeclarationNode::clone() const {
[b87a5ed]	46	DeclarationNode *newnode = new DeclarationNode;
	47	newnode->type = maybeClone( type );
	48	newnode->name = name;
[13e3b50]	49	newnode->storageClass = storageClass;
	50	newnode->isInline = isInline;
	51	newnode->isNoreturn = isNoreturn;
[7bf7fb9]	52	newnode->bitfieldWidth = bitfieldWidth;
[b87a5ed]	53	newnode->hasEllipsis = hasEllipsis;
	54	newnode->initializer = initializer;
[7880579]	55	newnode->set_next( maybeClone( get_next() ) );
[b87a5ed]	56	newnode->linkage = linkage;
	57	return newnode;
[984dce6]	58	} // DeclarationNode::clone
[3848e0e]	59
[13e3b50]	60	DeclarationNode::DeclarationNode()
	61	: type( 0 )
	62	, storageClass( NoStorageClass )
	63	, isInline( false )
	64	, isNoreturn( false )
	65	, bitfieldWidth( 0 )
	66	, initializer( 0 )
	67	, hasEllipsis( false )
	68	, linkage( ::linkage )
	69	, extension( false )
	70	, error() {
[3848e0e]	71	}
	72
	73	DeclarationNode::~DeclarationNode() {
[b87a5ed]	74	delete type;
	75	delete bitfieldWidth;
	76	delete initializer;
[3848e0e]	77	}
	78
	79	bool DeclarationNode::get_hasEllipsis() const {
[b87a5ed]	80	return hasEllipsis;
[3848e0e]	81	}
	82
	83	void DeclarationNode::print( std::ostream &os, int indent ) const {
[59db689]	84	os << string( indent, ' ' );
[b87a5ed]	85	if ( name == "" ) {
	86	os << "unnamed: ";
	87	} else {
	88	os << name << ": ";
[68cd1ce]	89	} // if
[51b73452]	90
[b87a5ed]	91	if ( linkage != LinkageSpec::Cforall ) {
	92	os << LinkageSpec::toString( linkage ) << " ";
[68cd1ce]	93	} // if
[3848e0e]	94
[13e3b50]	95	if(storageClass != NoStorageClass) os << DeclarationNode::storageName[storageClass] << ' ';
	96	if(isInline) os << DeclarationNode::storageName[Inline] << ' ';
	97	if(isNoreturn) os << DeclarationNode::storageName[Noreturn] << ' ';
[b87a5ed]	98	if ( type ) {
	99	type->print( os, indent );
	100	} else {
	101	os << "untyped entity ";
[68cd1ce]	102	} // if
[3848e0e]	103
[b87a5ed]	104	if ( bitfieldWidth ) {
[59db689]	105	os << endl << string( indent + 2, ' ' ) << "with bitfield width ";
[b87a5ed]	106	bitfieldWidth->printOneLine( os );
[68cd1ce]	107	} // if
[3848e0e]	108
[b87a5ed]	109	if ( initializer != 0 ) {
[59db689]	110	os << endl << string( indent + 2, ' ' ) << "with initializer ";
[b87a5ed]	111	initializer->printOneLine( os );
[974906e2]	112	os << " maybe constructed? " << initializer->get_maybeConstructed();
	113
[68cd1ce]	114	} // if
[3848e0e]	115
[b87a5ed]	116	os << endl;
[51b73452]	117	}
	118
[3848e0e]	119	void DeclarationNode::printList( std::ostream &os, int indent ) const {
[b87a5ed]	120	ParseNode::printList( os, indent );
	121	if ( hasEllipsis ) {
	122	os << string( indent, ' ' ) << "and a variable number of other arguments" << endl;
[68cd1ce]	123	} // if
[51b73452]	124	}
	125
[d9a0e76]	126	DeclarationNode DeclarationNode::newFunction( std::string name, DeclarationNode ret, DeclarationNode param, StatementNode *body, bool newStyle ) {
[b87a5ed]	127	DeclarationNode *newnode = new DeclarationNode;
	128	newnode->name = assign_strptr( name );
[3848e0e]	129
[b87a5ed]	130	newnode->type = new TypeData( TypeData::Function );
	131	newnode->type->function->params = param;
	132	newnode->type->function->newStyle = newStyle;
	133	newnode->type->function->body = body;
[984dce6]	134	typedefTable.addToEnclosingScope( newnode->name, TypedefTable::ID );
[3848e0e]	135
[b87a5ed]	136	if ( body ) {
	137	newnode->type->function->hasBody = true;
[68cd1ce]	138	} // if
[51b73452]	139
[b87a5ed]	140	if ( ret ) {
	141	newnode->type->base = ret->type;
	142	ret->type = 0;
	143	delete ret;
[68cd1ce]	144	} // if
[51b73452]	145
[b87a5ed]	146	return newnode;
[984dce6]	147	} // DeclarationNode::newFunction
[3848e0e]	148
	149	DeclarationNode *DeclarationNode::newQualifier( Qualifier q ) {
[b87a5ed]	150	DeclarationNode *newnode = new DeclarationNode;
	151	newnode->type = new TypeData();
	152	newnode->type->qualifiers.push_back( q );
	153	return newnode;
[984dce6]	154	} // DeclarationNode::newQualifier
[3848e0e]	155
[68cd1ce]	156	DeclarationNode *DeclarationNode::newStorageClass( DeclarationNode::StorageClass sc ) {
[b87a5ed]	157	DeclarationNode *newnode = new DeclarationNode;
[13e3b50]	158	switch (sc) {
	159	case Inline: newnode->isInline = true; break;
	160	case Noreturn: newnode->isNoreturn = true; break;
	161	default: newnode->storageClass = sc; break;
	162	}
[b87a5ed]	163	return newnode;
[984dce6]	164	} // DeclarationNode::newStorageClass
[3848e0e]	165
	166	DeclarationNode *DeclarationNode::newBasicType( BasicType bt ) {
[b87a5ed]	167	DeclarationNode *newnode = new DeclarationNode;
	168	newnode->type = new TypeData( TypeData::Basic );
	169	newnode->type->basic->typeSpec.push_back( bt );
	170	return newnode;
[984dce6]	171	} // DeclarationNode::newBasicType
[3848e0e]	172
[90c3b1c]	173	DeclarationNode *DeclarationNode::newBuiltinType( BuiltinType bt ) {
	174	DeclarationNode *newnode = new DeclarationNode;
	175	newnode->type = new TypeData( TypeData::Builtin );
	176	newnode->type->builtin->type = bt;
	177	return newnode;
[984dce6]	178	} // DeclarationNode::newBuiltinType
[3848e0e]	179
	180	DeclarationNode *DeclarationNode::newModifier( Modifier mod ) {
[b87a5ed]	181	DeclarationNode *newnode = new DeclarationNode;
	182	newnode->type = new TypeData( TypeData::Basic );
	183	newnode->type->basic->modifiers.push_back( mod );
	184	return newnode;
[984dce6]	185	} // DeclarationNode::newModifier
[3848e0e]	186
[59db689]	187	DeclarationNode DeclarationNode::newForall( DeclarationNode forall ) {
[b87a5ed]	188	DeclarationNode *newnode = new DeclarationNode;
	189	newnode->type = new TypeData( TypeData::Unknown );
	190	newnode->type->forall = forall;
	191	return newnode;
[984dce6]	192	} // DeclarationNode::newForall
[3848e0e]	193
[59db689]	194	DeclarationNode DeclarationNode::newFromTypedef( std::string name ) {
[b87a5ed]	195	DeclarationNode *newnode = new DeclarationNode;
	196	newnode->type = new TypeData( TypeData::SymbolicInst );
	197	newnode->type->symbolic->name = assign_strptr( name );
	198	newnode->type->symbolic->isTypedef = true;
	199	newnode->type->symbolic->params = 0;
	200	return newnode;
[984dce6]	201	} // DeclarationNode::newFromTypedef
[3848e0e]	202
[5d125e4]	203	DeclarationNode DeclarationNode::newAggregate( Aggregate kind, const std::string name, ExpressionNode actuals, DeclarationNode fields, bool body ) {
[b87a5ed]	204	DeclarationNode *newnode = new DeclarationNode;
	205	newnode->type = new TypeData( TypeData::Aggregate );
	206	newnode->type->aggregate->kind = kind;
	207	newnode->type->aggregate->name = assign_strptr( name );
[2871210]	208	if ( newnode->type->aggregate->name == "" ) { // anonymous aggregate ?
[45161b4d]	209	newnode->type->aggregate->name = anonymous.newName();
[68cd1ce]	210	} // if
[b87a5ed]	211	newnode->type->aggregate->actuals = actuals;
[721f17a]	212	newnode->type->aggregate->fields = fields;
[5d125e4]	213	newnode->type->aggregate->body = body;
[b87a5ed]	214	return newnode;
[984dce6]	215	} // DeclarationNode::newAggregate
[3848e0e]	216
	217	DeclarationNode DeclarationNode::newEnum( std::string name, DeclarationNode *constants ) {
[b87a5ed]	218	DeclarationNode *newnode = new DeclarationNode;
	219	newnode->name = assign_strptr( name );
	220	newnode->type = new TypeData( TypeData::Enum );
	221	newnode->type->enumeration->name = newnode->name;
[2871210]	222	if ( newnode->type->enumeration->name == "" ) { // anonymous enumeration ?
[b87a5ed]	223	newnode->type->enumeration->name = DeclarationNode::anonymous.newName();
[68cd1ce]	224	} // if
[b87a5ed]	225	newnode->type->enumeration->constants = constants;
	226	return newnode;
[984dce6]	227	} // DeclarationNode::newEnum
[3848e0e]	228
[59db689]	229	DeclarationNode DeclarationNode::newEnumConstant( std::string name, ExpressionNode *constant ) {
[b87a5ed]	230	DeclarationNode *newnode = new DeclarationNode;
	231	newnode->name = assign_strptr( name );
[90c3b1c]	232	newnode->enumeratorValue = constant;
[984dce6]	233	typedefTable.addToEnclosingScope( newnode->name, TypedefTable::ID );
[b87a5ed]	234	return newnode;
[984dce6]	235	} // DeclarationNode::newEnumConstant
[3848e0e]	236
[59db689]	237	DeclarationNode DeclarationNode::newName( std::string name ) {
[b87a5ed]	238	DeclarationNode *newnode = new DeclarationNode;
	239	newnode->name = assign_strptr( name );
	240	return newnode;
[984dce6]	241	} // DeclarationNode::newName
[3848e0e]	242
[59db689]	243	DeclarationNode DeclarationNode::newFromTypeGen( std::string name, ExpressionNode *params ) {
[b87a5ed]	244	DeclarationNode *newnode = new DeclarationNode;
	245	newnode->type = new TypeData( TypeData::SymbolicInst );
	246	newnode->type->symbolic->name = assign_strptr( name );
	247	newnode->type->symbolic->isTypedef = false;
	248	newnode->type->symbolic->actuals = params;
	249	return newnode;
[984dce6]	250	} // DeclarationNode::newFromTypeGen
[3848e0e]	251
[59db689]	252	DeclarationNode DeclarationNode::newTypeParam( TypeClass tc, std::string name ) {
[b87a5ed]	253	DeclarationNode *newnode = new DeclarationNode;
	254	newnode->name = assign_strptr( name );
	255	newnode->type = new TypeData( TypeData::Variable );
	256	newnode->type->variable->tyClass = tc;
	257	newnode->type->variable->name = newnode->name;
	258	return newnode;
[984dce6]	259	} // DeclarationNode::newTypeParam
[3848e0e]	260
[4040425]	261	DeclarationNode DeclarationNode::newTrait( std::string name, DeclarationNode params, DeclarationNode asserts ) {
[b87a5ed]	262	DeclarationNode *newnode = new DeclarationNode;
	263	newnode->type = new TypeData( TypeData::Aggregate );
[4040425]	264	newnode->type->aggregate->kind = Trait;
[b87a5ed]	265	newnode->type->aggregate->params = params;
[721f17a]	266	newnode->type->aggregate->fields = asserts;
[b87a5ed]	267	newnode->type->aggregate->name = assign_strptr( name );
	268	return newnode;
[984dce6]	269	} // DeclarationNode::newTrait
[3848e0e]	270
[4040425]	271	DeclarationNode DeclarationNode::newTraitUse( std::string name, ExpressionNode *params ) {
[b87a5ed]	272	DeclarationNode *newnode = new DeclarationNode;
	273	newnode->type = new TypeData( TypeData::AggregateInst );
	274	newnode->type->aggInst->aggregate = new TypeData( TypeData::Aggregate );
[4040425]	275	newnode->type->aggInst->aggregate->aggregate->kind = Trait;
[b87a5ed]	276	newnode->type->aggInst->aggregate->aggregate->name = assign_strptr( name );
	277	newnode->type->aggInst->params = params;
	278	return newnode;
[984dce6]	279	} // DeclarationNode::newTraitUse
[3848e0e]	280
	281	DeclarationNode DeclarationNode::newTypeDecl( std::string name, DeclarationNode *typeParams ) {
[b87a5ed]	282	DeclarationNode *newnode = new DeclarationNode;
	283	newnode->name = assign_strptr( name );
	284	newnode->type = new TypeData( TypeData::Symbolic );
	285	newnode->type->symbolic->isTypedef = false;
	286	newnode->type->symbolic->params = typeParams;
	287	newnode->type->symbolic->name = newnode->name;
	288	return newnode;
[984dce6]	289	} // DeclarationNode::newTypeDecl
[3848e0e]	290
	291	DeclarationNode DeclarationNode::newPointer( DeclarationNode qualifiers ) {
[b87a5ed]	292	DeclarationNode *newnode = new DeclarationNode;
	293	newnode->type = new TypeData( TypeData::Pointer );
	294	return newnode->addQualifiers( qualifiers );
[984dce6]	295	} // DeclarationNode::newPointer
[3848e0e]	296
	297	DeclarationNode DeclarationNode::newArray( ExpressionNode size, DeclarationNode *qualifiers, bool isStatic ) {
[b87a5ed]	298	DeclarationNode *newnode = new DeclarationNode;
	299	newnode->type = new TypeData( TypeData::Array );
	300	newnode->type->array->dimension = size;
	301	newnode->type->array->isStatic = isStatic;
[ac71a86]	302	if ( newnode->type->array->dimension == 0 \|\| newnode->type->array->dimension->isExpressionType<ConstantExpr *>() ) {
[71bd8c6]	303	newnode->type->array->isVarLen = false;
	304	} else {
	305	newnode->type->array->isVarLen = true;
	306	} // if
[b87a5ed]	307	return newnode->addQualifiers( qualifiers );
[984dce6]	308	} // DeclarationNode::newArray
[3848e0e]	309
	310	DeclarationNode DeclarationNode::newVarArray( DeclarationNode qualifiers ) {
[b87a5ed]	311	DeclarationNode *newnode = new DeclarationNode;
	312	newnode->type = new TypeData( TypeData::Array );
	313	newnode->type->array->dimension = 0;
	314	newnode->type->array->isStatic = false;
	315	newnode->type->array->isVarLen = true;
	316	return newnode->addQualifiers( qualifiers );
[3848e0e]	317	}
	318
	319	DeclarationNode DeclarationNode::newBitfield( ExpressionNode size ) {
[b87a5ed]	320	DeclarationNode *newnode = new DeclarationNode;
	321	newnode->bitfieldWidth = size;
	322	return newnode;
[3848e0e]	323	}
	324
	325	DeclarationNode DeclarationNode::newTuple( DeclarationNode members ) {
[b87a5ed]	326	DeclarationNode *newnode = new DeclarationNode;
	327	newnode->type = new TypeData( TypeData::Tuple );
	328	newnode->type->tuple->members = members;
	329	return newnode;
[3848e0e]	330	}
	331
	332	DeclarationNode DeclarationNode::newTypeof( ExpressionNode expr ) {
[b87a5ed]	333	DeclarationNode *newnode = new DeclarationNode;
	334	newnode->type = new TypeData( TypeData::Typeof );
	335	newnode->type->typeexpr->expr = expr;
	336	return newnode;
[3848e0e]	337	}
	338
	339	DeclarationNode DeclarationNode::newAttr( std::string name, ExpressionNode *expr ) {
[b87a5ed]	340	DeclarationNode *newnode = new DeclarationNode;
	341	newnode->type = new TypeData( TypeData::Attr );
	342	newnode->type->attr->name = assign_strptr( name );
	343	newnode->type->attr->expr = expr;
	344	return newnode;
[3848e0e]	345	}
	346
	347	DeclarationNode DeclarationNode::newAttr( std::string name, DeclarationNode *type ) {
[b87a5ed]	348	DeclarationNode *newnode = new DeclarationNode;
	349	newnode->type = new TypeData( TypeData::Attr );
	350	newnode->type->attr->name = assign_strptr( name );
	351	newnode->type->attr->type = type;
	352	return newnode;
[3848e0e]	353	}
	354
	355	static void addQualifiersToType( TypeData &src, TypeData dst ) {
[b87a5ed]	356	if ( src && dst ) {
	357	if ( src->forall && dst->kind == TypeData::Function ) {
	358	if ( dst->forall ) {
	359	dst->forall->appendList( src->forall );
	360	} else {
	361	dst->forall = src->forall;
[68cd1ce]	362	} // if
[b87a5ed]	363	src->forall = 0;
[68cd1ce]	364	} // if
[b87a5ed]	365	if ( dst->base ) {
	366	addQualifiersToType( src, dst->base );
	367	} else if ( dst->kind == TypeData::Function ) {
	368	dst->base = src;
	369	src = 0;
	370	} else {
	371	dst->qualifiers.splice( dst->qualifiers.end(), src->qualifiers );
[68cd1ce]	372	} // if
	373	} // if
[3848e0e]	374	}
[974906e2]	375
[3848e0e]	376	DeclarationNode DeclarationNode::addQualifiers( DeclarationNode q ) {
[b87a5ed]	377	if ( q ) {
[13e3b50]	378	copyStorageClasses(q);
[b87a5ed]	379	if ( q->type ) {
	380	if ( ! type ) {
	381	type = new TypeData;
[68cd1ce]	382	} // if
[b87a5ed]	383	addQualifiersToType( q->type, type );
	384	if ( q->type && q->type->forall ) {
	385	if ( type->forall ) {
	386	type->forall->appendList( q->type->forall );
	387	} else {
[68cd1ce]	388	if ( type->kind == TypeData::Aggregate ) {
	389	type->aggregate->params = q->type->forall;
[721f17a]	390	// change implicit typedef from TYPEDEFname to TYPEGENname
	391	typedefTable.changeKind( type->aggregate->name, TypedefTable::TG );
[68cd1ce]	392	} else {
	393	type->forall = q->type->forall;
	394	} // if
	395	} // if
[b87a5ed]	396	q->type->forall = 0;
[68cd1ce]	397	} // if
	398	} // if
	399	} // if
[b87a5ed]	400	delete q;
	401	return this;
[3848e0e]	402	}
	403
	404	DeclarationNode DeclarationNode::copyStorageClasses( DeclarationNode q ) {
[13e3b50]	405	isInline = isInline \|\| q->isInline;
	406	isNoreturn = isNoreturn \|\| q->isNoreturn;
	407	if(storageClass == NoStorageClass) {
	408	storageClass = q->storageClass;
	409	}
	410	else if (q->storageClass != NoStorageClass) {
	411	q->error = "invalid combination of storage classes in declaration of ";
	412	}
	413	if(error.empty()) error = q->error;
[b87a5ed]	414	return this;
[3848e0e]	415	}
	416
	417	static void addTypeToType( TypeData &src, TypeData &dst ) {
[b87a5ed]	418	if ( src && dst ) {
	419	if ( src->forall && dst->kind == TypeData::Function ) {
	420	if ( dst->forall ) {
	421	dst->forall->appendList( src->forall );
	422	} else {
	423	dst->forall = src->forall;
[68cd1ce]	424	} // if
[b87a5ed]	425	src->forall = 0;
[68cd1ce]	426	} // if
[b87a5ed]	427	if ( dst->base ) {
	428	addTypeToType( src, dst->base );
	429	} else {
	430	switch ( dst->kind ) {
	431	case TypeData::Unknown:
	432	src->qualifiers.splice( src->qualifiers.end(), dst->qualifiers );
	433	dst = src;
	434	src = 0;
	435	break;
	436	case TypeData::Basic:
	437	dst->qualifiers.splice( dst->qualifiers.end(), src->qualifiers );
	438	if ( src->kind != TypeData::Unknown ) {
	439	assert( src->kind == TypeData::Basic );
	440	dst->basic->modifiers.splice( dst->basic->modifiers.end(), src->basic->modifiers );
	441	dst->basic->typeSpec.splice( dst->basic->typeSpec.end(), src->basic->typeSpec );
[68cd1ce]	442	} // if
[b87a5ed]	443	break;
	444	default:
	445	switch ( src->kind ) {
	446	case TypeData::Aggregate:
	447	case TypeData::Enum:
	448	dst->base = new TypeData( TypeData::AggregateInst );
	449	dst->base->aggInst->aggregate = src;
	450	if ( src->kind == TypeData::Aggregate ) {
	451	dst->base->aggInst->params = maybeClone( src->aggregate->actuals );
[68cd1ce]	452	} // if
[b87a5ed]	453	dst->base->qualifiers.splice( dst->base->qualifiers.end(), src->qualifiers );
	454	src = 0;
	455	break;
	456	default:
	457	if ( dst->forall ) {
	458	dst->forall->appendList( src->forall );
	459	} else {
	460	dst->forall = src->forall;
[68cd1ce]	461	} // if
[b87a5ed]	462	src->forall = 0;
	463	dst->base = src;
	464	src = 0;
[68cd1ce]	465	} // switch
	466	} // switch
	467	} // if
	468	} // if
[3848e0e]	469	}
	470
	471	DeclarationNode DeclarationNode::addType( DeclarationNode o ) {
[b87a5ed]	472	if ( o ) {
[13e3b50]	473	copyStorageClasses( o );
[b87a5ed]	474	if ( o->type ) {
	475	if ( ! type ) {
	476	if ( o->type->kind == TypeData::Aggregate \|\| o->type->kind == TypeData::Enum ) {
	477	type = new TypeData( TypeData::AggregateInst );
	478	type->aggInst->aggregate = o->type;
	479	if ( o->type->kind == TypeData::Aggregate ) {
	480	type->aggInst->params = maybeClone( o->type->aggregate->actuals );
[68cd1ce]	481	} // if
[b87a5ed]	482	type->qualifiers.splice( type->qualifiers.end(), o->type->qualifiers );
	483	} else {
	484	type = o->type;
[68cd1ce]	485	} // if
[b87a5ed]	486	o->type = 0;
	487	} else {
	488	addTypeToType( o->type, type );
[68cd1ce]	489	} // if
	490	} // if
[b87a5ed]	491	if ( o->bitfieldWidth ) {
	492	bitfieldWidth = o->bitfieldWidth;
[68cd1ce]	493	} // if
[71bd8c6]	494
	495	// there may be typedefs chained onto the type
[1d4580a]	496	if ( o->get_next() ) {
	497	set_last( o->get_next()->clone() );
[1db21619]	498	} // if
[68cd1ce]	499	} // if
[b87a5ed]	500	delete o;
	501	return this;
[3848e0e]	502	}
	503
	504	DeclarationNode *DeclarationNode::addTypedef() {
[b87a5ed]	505	TypeData *newtype = new TypeData( TypeData::Symbolic );
	506	newtype->symbolic->params = 0;
	507	newtype->symbolic->isTypedef = true;
	508	newtype->symbolic->name = name;
	509	newtype->base = type;
	510	type = newtype;
	511	return this;
[3848e0e]	512	}
	513
[59db689]	514	DeclarationNode DeclarationNode::addAssertions( DeclarationNode assertions ) {
[b87a5ed]	515	assert( type );
	516	switch ( type->kind ) {
	517	case TypeData::Symbolic:
	518	if ( type->symbolic->assertions ) {
	519	type->symbolic->assertions->appendList( assertions );
	520	} else {
	521	type->symbolic->assertions = assertions;
[68cd1ce]	522	} // if
[b87a5ed]	523	break;
	524	case TypeData::Variable:
	525	if ( type->variable->assertions ) {
	526	type->variable->assertions->appendList( assertions );
	527	} else {
	528	type->variable->assertions = assertions;
[68cd1ce]	529	} // if
[b87a5ed]	530	break;
	531	default:
	532	assert( false );
[68cd1ce]	533	} // switch
[974906e2]	534
[b87a5ed]	535	return this;
[51b73452]	536	}
	537
[59db689]	538	DeclarationNode DeclarationNode::addName( std::string newname ) {
[b87a5ed]	539	name = assign_strptr( newname );
	540	return this;
[51b73452]	541	}
	542
[3848e0e]	543	DeclarationNode DeclarationNode::addBitfield( ExpressionNode size ) {
[b87a5ed]	544	bitfieldWidth = size;
	545	return this;
[51b73452]	546	}
	547
[3848e0e]	548	DeclarationNode *DeclarationNode::addVarArgs() {
[b87a5ed]	549	assert( type );
	550	hasEllipsis = true;
	551	return this;
[51b73452]	552	}
	553
[3848e0e]	554	DeclarationNode DeclarationNode::addFunctionBody( StatementNode body ) {
[b87a5ed]	555	assert( type );
	556	assert( type->kind == TypeData::Function );
	557	assert( type->function->body == 0 );
	558	type->function->body = body;
	559	type->function->hasBody = true;
	560	return this;
[51b73452]	561	}
	562
[3848e0e]	563	DeclarationNode DeclarationNode::addOldDeclList( DeclarationNode list ) {
[b87a5ed]	564	assert( type );
	565	assert( type->kind == TypeData::Function );
	566	assert( type->function->oldDeclList == 0 );
	567	type->function->oldDeclList = list;
	568	return this;
[51b73452]	569	}
	570
[68cd1ce]	571	static void setBase( TypeData &type, TypeData newType ) {
[b87a5ed]	572	if ( type ) {
	573	TypeData *prevBase = type;
	574	TypeData *curBase = type->base;
[a32b204]	575	while ( curBase != 0 ) {
[b87a5ed]	576	prevBase = curBase;
	577	curBase = curBase->base;
[68cd1ce]	578	} // while
[b87a5ed]	579	prevBase->base = newType;
	580	} else {
	581	type = newType;
[68cd1ce]	582	} // if
[3848e0e]	583	}
	584
	585	DeclarationNode DeclarationNode::addPointer( DeclarationNode p ) {
[b87a5ed]	586	if ( p ) {
	587	assert( p->type->kind == TypeData::Pointer );
	588	setBase( type, p->type );
	589	p->type = 0;
	590	delete p;
[68cd1ce]	591	} // if
[b87a5ed]	592	return this;
[3848e0e]	593	}
	594
	595	DeclarationNode DeclarationNode::addArray( DeclarationNode a ) {
[b87a5ed]	596	if ( a ) {
	597	assert( a->type->kind == TypeData::Array );
	598	setBase( type, a->type );
	599	a->type = 0;
	600	delete a;
[68cd1ce]	601	} // if
[b87a5ed]	602	return this;
[51b73452]	603	}
	604
[3848e0e]	605	DeclarationNode DeclarationNode::addNewPointer( DeclarationNode p ) {
[b87a5ed]	606	if ( p ) {
	607	assert( p->type->kind == TypeData::Pointer );
	608	if ( type ) {
	609	switch ( type->kind ) {
	610	case TypeData::Aggregate:
	611	case TypeData::Enum:
	612	p->type->base = new TypeData( TypeData::AggregateInst );
	613	p->type->base->aggInst->aggregate = type;
	614	if ( type->kind == TypeData::Aggregate ) {
	615	p->type->base->aggInst->params = maybeClone( type->aggregate->actuals );
[68cd1ce]	616	} // if
[b87a5ed]	617	p->type->base->qualifiers.splice( p->type->base->qualifiers.end(), type->qualifiers );
	618	break;
	619
	620	default:
	621	p->type->base = type;
[68cd1ce]	622	} // switch
[b87a5ed]	623	type = 0;
[68cd1ce]	624	} // if
[b87a5ed]	625	delete this;
	626	return p;
	627	} else {
	628	return this;
[68cd1ce]	629	} // if
[51b73452]	630	}
	631
[3848e0e]	632	static TypeData findLast( TypeData a ) {
[b87a5ed]	633	assert( a );
	634	TypeData *cur = a;
[a32b204]	635	while ( cur->base ) {
[b87a5ed]	636	cur = cur->base;
[68cd1ce]	637	} // while
[b87a5ed]	638	return cur;
[3848e0e]	639	}
	640
	641	DeclarationNode DeclarationNode::addNewArray( DeclarationNode a ) {
[b87a5ed]	642	if ( a ) {
	643	assert( a->type->kind == TypeData::Array );
	644	TypeData *lastArray = findLast( a->type );
[974906e2]	645	if ( type ) {
[b87a5ed]	646	switch ( type->kind ) {
	647	case TypeData::Aggregate:
	648	case TypeData::Enum:
	649	lastArray->base = new TypeData( TypeData::AggregateInst );
	650	lastArray->base->aggInst->aggregate = type;
	651	if ( type->kind == TypeData::Aggregate ) {
	652	lastArray->base->aggInst->params = maybeClone( type->aggregate->actuals );
[68cd1ce]	653	} // if
[b87a5ed]	654	lastArray->base->qualifiers.splice( lastArray->base->qualifiers.end(), type->qualifiers );
	655	break;
	656	default:
	657	lastArray->base = type;
[68cd1ce]	658	} // switch
[b87a5ed]	659	type = 0;
[68cd1ce]	660	} // if
[b87a5ed]	661	delete this;
	662	return a;
	663	} else {
	664	return this;
[68cd1ce]	665	} // if
[51b73452]	666	}
[3848e0e]	667
	668	DeclarationNode DeclarationNode::addParamList( DeclarationNode params ) {
[b87a5ed]	669	TypeData *ftype = new TypeData( TypeData::Function );
	670	ftype->function->params = params;
	671	setBase( type, ftype );
	672	return this;
[3848e0e]	673	}
	674
	675	static TypeData addIdListToType( TypeData type, DeclarationNode *ids ) {
[b87a5ed]	676	if ( type ) {
	677	if ( type->kind != TypeData::Function ) {
	678	type->base = addIdListToType( type->base, ids );
	679	} else {
	680	type->function->idList = ids;
[68cd1ce]	681	} // if
[b87a5ed]	682	return type;
[3848e0e]	683	} else {
[b87a5ed]	684	TypeData *newtype = new TypeData( TypeData::Function );
	685	newtype->function->idList = ids;
	686	return newtype;
[68cd1ce]	687	} // if
[3848e0e]	688	}
[974906e2]	689
[3848e0e]	690	DeclarationNode DeclarationNode::addIdList( DeclarationNode ids ) {
[b87a5ed]	691	type = addIdListToType( type, ids );
	692	return this;
[3848e0e]	693	}
	694
	695	DeclarationNode DeclarationNode::addInitializer( InitializerNode init ) {
[b87a5ed]	696	//assert
	697	initializer = init;
	698	return this;
[3848e0e]	699	}
	700
	701	DeclarationNode DeclarationNode::cloneBaseType( string newName ) {
[b87a5ed]	702	DeclarationNode *newnode = new DeclarationNode;
	703	TypeData *srcType = type;
[a32b204]	704	while ( srcType->base ) {
[b87a5ed]	705	srcType = srcType->base;
[68cd1ce]	706	} // while
[b87a5ed]	707	newnode->type = maybeClone( srcType );
	708	if ( newnode->type->kind == TypeData::AggregateInst ) {
	709	// don't duplicate members
	710	if ( newnode->type->aggInst->aggregate->kind == TypeData::Enum ) {
	711	delete newnode->type->aggInst->aggregate->enumeration->constants;
	712	newnode->type->aggInst->aggregate->enumeration->constants = 0;
	713	} else {
	714	assert( newnode->type->aggInst->aggregate->kind == TypeData::Aggregate );
[721f17a]	715	delete newnode->type->aggInst->aggregate->aggregate->fields;
	716	newnode->type->aggInst->aggregate->aggregate->fields = 0;
[68cd1ce]	717	} // if
	718	} // if
[b87a5ed]	719	newnode->type->forall = maybeClone( type->forall );
[13e3b50]	720	newnode->copyStorageClasses( this );
[b87a5ed]	721	newnode->name = assign_strptr( newName );
	722	return newnode;
[3848e0e]	723	}
	724
	725	DeclarationNode DeclarationNode::cloneBaseType( DeclarationNode o ) {
[b87a5ed]	726	if ( o ) {
[13e3b50]	727	o->copyStorageClasses( this );
[b87a5ed]	728	if ( type ) {
	729	TypeData *srcType = type;
[a32b204]	730	while ( srcType->base ) {
[b87a5ed]	731	srcType = srcType->base;
[68cd1ce]	732	} // while
[b87a5ed]	733	TypeData *newType = srcType->clone();
	734	if ( newType->kind == TypeData::AggregateInst ) {
	735	// don't duplicate members
	736	if ( newType->aggInst->aggregate->kind == TypeData::Enum ) {
	737	delete newType->aggInst->aggregate->enumeration->constants;
	738	newType->aggInst->aggregate->enumeration->constants = 0;
	739	} else {
	740	assert( newType->aggInst->aggregate->kind == TypeData::Aggregate );
[721f17a]	741	delete newType->aggInst->aggregate->aggregate->fields;
	742	newType->aggInst->aggregate->aggregate->fields = 0;
[68cd1ce]	743	} // if
	744	} // if
[b87a5ed]	745	newType->forall = maybeClone( type->forall );
	746	if ( ! o->type ) {
	747	o->type = newType;
	748	} else {
	749	addTypeToType( newType, o->type );
	750	delete newType;
[68cd1ce]	751	} // if
	752	} // if
	753	} // if
[b87a5ed]	754	return o;
[3848e0e]	755	}
	756
	757	DeclarationNode DeclarationNode::cloneType( string newName ) {
[b87a5ed]	758	DeclarationNode *newnode = new DeclarationNode;
	759	newnode->type = maybeClone( type );
[13e3b50]	760	newnode->copyStorageClasses( this );
[b87a5ed]	761	newnode->name = assign_strptr( newName );
	762	return newnode;
[3848e0e]	763	}
	764
	765	DeclarationNode DeclarationNode::cloneType( DeclarationNode o ) {
[b87a5ed]	766	if ( o ) {
[13e3b50]	767	o->copyStorageClasses( this );
[b87a5ed]	768	if ( type ) {
	769	TypeData *newType = type->clone();
	770	if ( ! o->type ) {
	771	o->type = newType;
	772	} else {
	773	addTypeToType( newType, o->type );
	774	delete newType;
[68cd1ce]	775	} // if
	776	} // if
	777	} // if
[b87a5ed]	778	return o;
[51b73452]	779	}
	780
[3848e0e]	781	DeclarationNode *DeclarationNode::extractAggregate() const {
[b87a5ed]	782	if ( type ) {
	783	TypeData *ret = type->extractAggregate();
	784	if ( ret ) {
	785	DeclarationNode *newnode = new DeclarationNode;
	786	newnode->type = ret;
	787	return newnode;
[843054c2]	788	} // if
	789	} // if
	790	return 0;
[3848e0e]	791	}
	792
[a61fea9a]	793	void buildList( const DeclarationNode firstNode, std::list< Declaration > &outputList ) {
[b87a5ed]	794	SemanticError errors;
[7880579]	795	std::back_insert_iterator< std::list< Declaration * > > out( outputList );
[b87a5ed]	796	const DeclarationNode *cur = firstNode;
[a32b204]	797	while ( cur ) {
[b87a5ed]	798	try {
	799	if ( DeclarationNode *extr = cur->extractAggregate() ) {
	800	// handle the case where a structure declaration is contained within an object or type declaration
	801	Declaration *decl = extr->build();
	802	if ( decl ) {
	803	*out++ = decl;
[843054c2]	804	} // if
	805	} // if
[b87a5ed]	806	Declaration *decl = cur->build();
	807	if ( decl ) {
	808	*out++ = decl;
[843054c2]	809	} // if
[b87a5ed]	810	} catch( SemanticError &e ) {
	811	errors.append( e );
[843054c2]	812	} // try
[7880579]	813	cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
[843054c2]	814	} // while
[b87a5ed]	815	if ( ! errors.isEmpty() ) {
	816	throw errors;
[843054c2]	817	} // if
[3848e0e]	818	}
	819
[7880579]	820	void buildList( const DeclarationNode firstNode, std::list< DeclarationWithType > &outputList ) {
[b87a5ed]	821	SemanticError errors;
[7880579]	822	std::back_insert_iterator< std::list< DeclarationWithType * > > out( outputList );
[b87a5ed]	823	const DeclarationNode *cur = firstNode;
[a32b204]	824	while ( cur ) {
[b87a5ed]	825	try {
[3848e0e]	826	/// if ( DeclarationNode *extr = cur->extractAggregate() ) {
[51b73452]	827	/// // handle the case where a structure declaration is contained within an object or type
	828	/// // declaration
	829	/// Declaration *decl = extr->build();
[3848e0e]	830	/// if ( decl ) {
	831	/// *out++ = decl;
[51b73452]	832	/// }
	833	/// }
[b87a5ed]	834	Declaration *decl = cur->build();
	835	if ( decl ) {
[7880579]	836	if ( DeclarationWithType dwt = dynamic_cast< DeclarationWithType >( decl ) ) {
[b87a5ed]	837	*out++ = dwt;
[7880579]	838	} else if ( StructDecl agg = dynamic_cast< StructDecl >( decl ) ) {
[b87a5ed]	839	StructInstType *inst = new StructInstType( Type::Qualifiers(), agg->get_name() );
[68cd1ce]	840	*out++ = new ObjectDecl( "", DeclarationNode::NoStorageClass, linkage, 0, inst, 0 );
[b87a5ed]	841	delete agg;
[7880579]	842	} else if ( UnionDecl agg = dynamic_cast< UnionDecl >( decl ) ) {
[b87a5ed]	843	UnionInstType *inst = new UnionInstType( Type::Qualifiers(), agg->get_name() );
[68cd1ce]	844	*out++ = new ObjectDecl( "", DeclarationNode::NoStorageClass, linkage, 0, inst, 0 );
[843054c2]	845	} // if
	846	} // if
[b87a5ed]	847	} catch( SemanticError &e ) {
	848	errors.append( e );
[843054c2]	849	} // try
[7880579]	850	cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
[843054c2]	851	} // while
[b87a5ed]	852	if ( ! errors.isEmpty() ) {
	853	throw errors;
[843054c2]	854	} // if
[3848e0e]	855	}
	856
[7880579]	857	void buildTypeList( const DeclarationNode firstNode, std::list< Type > &outputList ) {
[b87a5ed]	858	SemanticError errors;
[7880579]	859	std::back_insert_iterator< std::list< Type * > > out( outputList );
[b87a5ed]	860	const DeclarationNode *cur = firstNode;
[a32b204]	861	while ( cur ) {
[b87a5ed]	862	try {
	863	*out++ = cur->buildType();
	864	} catch( SemanticError &e ) {
	865	errors.append( e );
[843054c2]	866	} // try
[7880579]	867	cur = dynamic_cast< DeclarationNode * >( cur->get_next() );
[843054c2]	868	} // while
[b87a5ed]	869	if ( ! errors.isEmpty() ) {
	870	throw errors;
[843054c2]	871	} // if
[51b73452]	872	}
	873
[3848e0e]	874	Declaration *DeclarationNode::build() const {
[13e3b50]	875	if( !error.empty() ) throw SemanticError( error, this );
[843054c2]	876	if ( type ) {
[13e3b50]	877	return type->buildDecl( name, storageClass, maybeBuild< Expression >( bitfieldWidth ), isInline, isNoreturn, linkage, maybeBuild< Initializer >(initializer) )->set_extension( extension );
[843054c2]	878	} // if
[13e3b50]	879	if ( ! isInline && ! isNoreturn ) {
	880	return (new ObjectDecl( name, storageClass, linkage, maybeBuild< Expression >( bitfieldWidth ), 0, maybeBuild< Initializer >( initializer ) ))->set_extension( extension );
[843054c2]	881	} // if
[de62360d]	882	throw SemanticError( "invalid function specifier in declaration of ", this );
[51b73452]	883	}
	884
[3848e0e]	885	Type *DeclarationNode::buildType() const {
[b87a5ed]	886	assert( type );
[974906e2]	887
[b87a5ed]	888	switch ( type->kind ) {
	889	case TypeData::Enum:
	890	return new EnumInstType( type->buildQualifiers(), type->enumeration->name );
	891	case TypeData::Aggregate: {
	892	ReferenceToType *ret;
	893	switch ( type->aggregate->kind ) {
	894	case DeclarationNode::Struct:
	895	ret = new StructInstType( type->buildQualifiers(), type->aggregate->name );
	896	break;
	897	case DeclarationNode::Union:
	898	ret = new UnionInstType( type->buildQualifiers(), type->aggregate->name );
	899	break;
[4040425]	900	case DeclarationNode::Trait:
	901	ret = new TraitInstType( type->buildQualifiers(), type->aggregate->name );
[b87a5ed]	902	break;
	903	default:
	904	assert( false );
	905	} // switch
	906	buildList( type->aggregate->actuals, ret->get_parameters() );
	907	return ret;
	908	}
	909	case TypeData::Symbolic: {
	910	TypeInstType *ret = new TypeInstType( type->buildQualifiers(), type->symbolic->name, false );
	911	buildList( type->symbolic->actuals, ret->get_parameters() );
	912	return ret;
	913	}
	914	default:
	915	return type->build();
	916	} // switch
[3848e0e]	917	}
	918
[13e3b50]	919	// DeclarationNode::StorageClass DeclarationNode::buildStorageClass() const {
	920	// DeclarationNode::StorageClass ret = DeclarationNode::NoStorageClass;
	921	// for ( std::list< DeclarationNode::StorageClass >::const_iterator i = storageClasses.begin(); i != storageClasses.end(); ++i ) {
	922	// if ( i == DeclarationNode::Inline \|\| i == DeclarationNode::Noreturn ) continue; // ignore function specifiers
	923	// if ( ret != DeclarationNode::NoStorageClass ) { // already have a valid storage class ?
	924	// throw SemanticError( "invalid combination of storage classes in declaration of ", this );
	925	// } // if
	926	// ret = *i;
	927	// } // for
	928	// return ret;
	929	// }
	930
	931	// bool DeclarationNode::buildFuncSpecifier( DeclarationNode::StorageClass key ) const {
	932	// std::list< DeclarationNode::StorageClass >::const_iterator first = std::find( storageClasses.begin(), storageClasses.end(), key );
	933	// if ( first == storageClasses.end() ) return false; // not found
	934	// first = std::find( ++first, storageClasses.end(), key ); // found
	935	// if ( first == storageClasses.end() ) return true; // not found again
	936	// throw SemanticError( "duplicate function specifier in declaration of ", this );
	937	// }
[b87a5ed]	938
	939	// Local Variables: //
	940	// tab-width: 4 //
	941	// mode: c++ //
	942	// compile-command: "make install" //
	943	// End: //

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