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source: src/AST/Convert.cpp@ f9128a5

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ADT arm-eh ast-experimental cleanup-dtors enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr pthread-emulation qualifiedEnum stuck-waitfor-destruct

Last change on this file since f9128a5 was d908563, checked in by Thierry Delisle <tdelisle@…>, 7 years ago
Merge branch 'master' into cleanup-dtors
Property mode set to `100644`
File size: 69.5 KB

Rev	Line
[6d51bd7]	1	//
	2	// Cforall Version 1.0.0 Copyright (C) 2019 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	//
[74dbbf6]	7	// Convert.cpp -- Convert between the new and old syntax trees.
[6d51bd7]	8	//
	9	// Author : Thierry Delisle
	10	// Created On : Thu May 09 15::37::05 2019
[6f8e87d]	11	// Last Modified By : Andrew Beach
[f685679]	12	// Last Modified On : Thu May 23 16:59:00 2019
	13	// Update Count : 6
[6d51bd7]	14	//
	15
	16	#include "Convert.hpp"
	17
[d148778]	18	#include <unordered_map>
	19
[6d51bd7]	20	#include "AST/Attribute.hpp"
	21	#include "AST/Decl.hpp"
	22	#include "AST/Expr.hpp"
	23	#include "AST/Init.hpp"
	24	#include "AST/Stmt.hpp"
[172d9342]	25	#include "AST/TypeSubstitution.hpp"
[6d51bd7]	26
	27	#include "SynTree/Attribute.h"
	28	#include "SynTree/Declaration.h"
[172d9342]	29	#include "SynTree/TypeSubstitution.h"
[6d51bd7]	30
	31	//================================================================================================
	32	// Utilities
	33	template<template <class...> class C>
	34	struct to {
	35	template<typename T>
	36	static auto from( T && v ) -> C< typename T::value_type > {
	37	C< typename T::value_type > l;
	38	std::move(std::begin(v), std::end(v), std::back_inserter(l));
	39	return l;
	40	}
	41	};
	42
	43	//================================================================================================
[74dbbf6]	44	class ConverterNewToOld : public ast::Visitor {
[675d816]	45	BaseSyntaxNode * node = nullptr;
[b869ec5]	46	using Cache = std::unordered_map< const ast::Node , BaseSyntaxNode >;
	47	Cache cache;
[675d816]	48
[74dbbf6]	49	template<typename T>
[675d816]	50	struct Getter {
	51	ConverterNewToOld & visitor;
	52
[514a791]	53	template<typename U, enum ast::Node::ref_type R>
	54	T * accept1( const ast::ptr_base<U, R> & ptr ) {
[d148778]	55	if ( ! ptr ) return nullptr;
[675d816]	56	ptr->accept( visitor );
	57	T * ret = strict_dynamic_cast< T * >( visitor.node );
	58	visitor.node = nullptr;
	59	return ret;
	60	}
	61
	62	template<typename U>
	63	std::list< T * > acceptL( const U & container ) {
	64	std::list< T * > ret;
	65	for (auto ptr : container ) {
	66	ret.emplace_back( accept1( ptr ) );
	67	}
	68	return ret;
	69	}
	70	};
	71
	72	template<typename T>
	73	Getter<T> get() {
	74	return Getter<T>{ *this };
	75	}
	76
	77	Label makeLabel(Statement * labelled, const ast::Label& label) {
	78	return Label(
	79	label.name,
	80	labelled,
	81	get<Attribute>().acceptL(label.attributes)
	82	);
	83	}
	84
	85	template<template <class...> class C>
	86	std::list<Label> makeLabelL(Statement * labelled, const C<ast::Label>& labels) {
	87	std::list<Label> ret;
	88	for (auto label : labels) {
	89	ret.push_back( makeLabel(labelled, label) );
	90	}
[74dbbf6]	91	return ret;
	92	}
	93
[d148778]	94	/// get new qualifiers from old type
	95	Type::Qualifiers cv( const ast::Type * ty ) { return { ty->qualifiers.val }; }
	96
[b869ec5]	97	/// returns true and sets `node` if in cache
	98	bool inCache( const ast::Node * node ) {
	99	auto it = cache.find( node );
	100	if ( it == cache.end() ) return false;
	101	this->node = it->second;
	102	return true;
[d148778]	103	}
	104
[675d816]	105	public:
	106	Declaration * decl( const ast::Decl * declNode ) {
	107	return get<Declaration>().accept1( ast::ptr<ast::Decl>( declNode ) );
	108	}
[74dbbf6]	109
[675d816]	110	private:
[112fe04]	111	void declPostamble( Declaration * decl, const ast::Decl * node ) {
	112	decl->location = node->location;
	113	// name comes from constructor
	114	// linkage comes from constructor
	115	decl->extension = node->extension;
	116	decl->uniqueId = node->uniqueId;
	117	// storageClasses comes from constructor
	118	this->node = decl;
	119	}
	120
	121	const ast::DeclWithType * declWithTypePostamble (
	122	DeclarationWithType * decl, const ast::DeclWithType * node ) {
[f685679]	123	cache.emplace( node, decl );
[112fe04]	124	decl->mangleName = node->mangleName;
	125	decl->scopeLevel = node->scopeLevel;
	126	decl->asmName = get<Expression>().accept1( node->asmName );
	127	// attributes comes from constructor
	128	decl->isDeleted = node->isDeleted;
	129	// fs comes from constructor
[f685679]	130	declPostamble( decl, node );
[74dbbf6]	131	return nullptr;
	132	}
	133
[112fe04]	134	const ast::DeclWithType * visit( const ast::ObjectDecl * node ) override final {
[b869ec5]	135	if ( inCache( node ) ) return nullptr;
[112fe04]	136	auto decl = new ObjectDecl(
	137	node->name,
	138	Type::StorageClasses( node->storage.val ),
	139	LinkageSpec::Spec( node->linkage.val ),
	140	get<Expression>().accept1( node->bitfieldWidth ),
	141	get<Type>().accept1( node->type ),
	142	get<Initializer>().accept1( node->init ),
	143	get<Attribute>().acceptL( node->attributes ),
	144	Type::FuncSpecifiers( node->funcSpec.val )
	145	);
	146	return declWithTypePostamble( decl, node );
	147	}
	148
[74dbbf6]	149	const ast::DeclWithType * visit( const ast::FunctionDecl * node ) override final {
[b869ec5]	150	if ( inCache( node ) ) return nullptr;
[112fe04]	151	auto decl = new FunctionDecl(
	152	node->name,
	153	Type::StorageClasses( node->storage.val ),
	154	LinkageSpec::Spec( node->linkage.val ),
	155	get<FunctionType>().accept1( node->type ),
	156	get<CompoundStmt>().accept1( node->stmts ),
	157	get<Attribute>().acceptL( node->attributes ),
	158	Type::FuncSpecifiers( node->funcSpec.val )
	159	);
	160	decl->withExprs = get<Expression>().acceptL( node->withExprs );
	161	return declWithTypePostamble( decl, node );
[74dbbf6]	162	}
	163
[112fe04]	164	const ast::Decl * namedTypePostamble( NamedTypeDecl * decl, const ast::NamedTypeDecl * node ) {
	165	// base comes from constructor
	166	decl->parameters = get<TypeDecl>().acceptL( node->params );
	167	decl->assertions = get<DeclarationWithType>().acceptL( node->assertions );
[f685679]	168	declPostamble( decl, node );
[74dbbf6]	169	return nullptr;
	170	}
	171
[112fe04]	172	const ast::Decl * visit( const ast::TypeDecl * node ) override final {
[b869ec5]	173	if ( inCache( node ) ) return nullptr;
[112fe04]	174	auto decl = new TypeDecl(
	175	node->name,
	176	Type::StorageClasses( node->storage.val ),
	177	get<Type>().accept1( node->base ),
[b869ec5]	178	(TypeDecl::Kind)(unsigned)node->kind,
[112fe04]	179	node->sized,
	180	get<Type>().accept1( node->init )
	181	);
[b869ec5]	182	cache.emplace( node, decl );
[112fe04]	183	return namedTypePostamble( decl, node );
[74dbbf6]	184	}
	185
[112fe04]	186	const ast::Decl * visit( const ast::TypedefDecl * node ) override final {
	187	auto decl = new TypedefDecl(
	188	node->name,
	189	node->location,
	190	Type::StorageClasses( node->storage.val ),
	191	get<Type>().accept1( node->base ),
	192	LinkageSpec::Spec( node->linkage.val )
	193	);
	194	return namedTypePostamble( decl, node );
[74dbbf6]	195	}
	196
[112fe04]	197	const ast::Decl * aggregatePostamble( AggregateDecl * decl, const ast::AggregateDecl * node ) {
[f685679]	198	cache.emplace( node, decl );
[112fe04]	199	decl->members = get<Declaration>().acceptL( node->members );
	200	decl->parameters = get<TypeDecl>().acceptL( node->params );
	201	decl->body = node->body;
	202	// attributes come from constructor
[b869ec5]	203	decl->parent = get<AggregateDecl>().accept1( node->parent );
[f685679]	204	declPostamble( decl, node );
[74dbbf6]	205	return nullptr;
	206	}
	207
[112fe04]	208	const ast::Decl * visit( const ast::StructDecl * node ) override final {
[b869ec5]	209	if ( inCache( node ) ) return nullptr;
[112fe04]	210	auto decl = new StructDecl(
	211	node->name,
	212	node->kind,
	213	get<Attribute>().acceptL( node->attributes ),
	214	LinkageSpec::Spec( node->linkage.val )
	215	);
	216	return aggregatePostamble( decl, node );
[74dbbf6]	217	}
	218
[112fe04]	219	const ast::Decl * visit( const ast::UnionDecl * node ) override final {
[b869ec5]	220	if ( inCache( node ) ) return nullptr;
[112fe04]	221	auto decl = new UnionDecl(
	222	node->name,
	223	get<Attribute>().acceptL( node->attributes ),
	224	LinkageSpec::Spec( node->linkage.val )
	225	);
	226	return aggregatePostamble( decl, node );
	227	}
	228
	229	const ast::Decl * visit( const ast::EnumDecl * node ) override final {
[b869ec5]	230	if ( inCache( node ) ) return nullptr;
[112fe04]	231	auto decl = new EnumDecl(
	232	node->name,
	233	get<Attribute>().acceptL( node->attributes ),
	234	LinkageSpec::Spec( node->linkage.val )
	235	);
	236	return aggregatePostamble( decl, node );
	237	}
	238
	239	const ast::Decl * visit( const ast::TraitDecl * node ) override final {
[b869ec5]	240	if ( inCache( node ) ) return nullptr;
[112fe04]	241	auto decl = new TraitDecl(
	242	node->name,
	243	{},
	244	LinkageSpec::Spec( node->linkage.val )
	245	);
	246	return aggregatePostamble( decl, node );
[74dbbf6]	247	}
	248
	249	const ast::AsmDecl * visit( const ast::AsmDecl * node ) override final {
[112fe04]	250	auto decl = new AsmDecl( get<AsmStmt>().accept1( node->stmt ) );
	251	declPostamble( decl, node );
[74dbbf6]	252	return nullptr;
	253	}
	254
	255	const ast::StaticAssertDecl * visit( const ast::StaticAssertDecl * node ) override final {
[112fe04]	256	auto decl = new StaticAssertDecl(
	257	get<Expression>().accept1( node->cond ),
	258	get<ConstantExpr>().accept1( node->msg )
	259	);
	260	declPostamble( decl, node );
[74dbbf6]	261	return nullptr;
	262	}
	263
[112fe04]	264	const ast::Stmt * stmtPostamble( Statement * stmt, const ast::Stmt * node ) {
[f685679]	265	cache.emplace( node, stmt );
[675d816]	266	stmt->location = node->location;
	267	stmt->labels = makeLabelL( stmt, node->labels );
	268	this->node = stmt;
[74dbbf6]	269	return nullptr;
	270	}
	271
[112fe04]	272	const ast::CompoundStmt * visit( const ast::CompoundStmt * node ) override final {
[4073b16]	273	if ( inCache( node ) ) return nullptr;
[112fe04]	274	auto stmt = new CompoundStmt( get<Statement>().acceptL( node->kids ) );
	275	stmtPostamble( stmt, node );
[74dbbf6]	276	return nullptr;
	277	}
	278
	279	const ast::Stmt * visit( const ast::ExprStmt * node ) override final {
[4073b16]	280	if ( inCache( node ) ) return nullptr;
[f685679]	281	auto stmt = new ExprStmt( nullptr );
	282	cache.emplace( node, stmt );
	283	stmt->expr = get<Expression>().accept1( node->expr );
[112fe04]	284	return stmtPostamble( stmt, node );
[74dbbf6]	285	}
	286
	287	const ast::Stmt * visit( const ast::AsmStmt * node ) override final {
[4073b16]	288	if ( inCache( node ) ) return nullptr;
[675d816]	289	auto stmt = new AsmStmt(
	290	node->isVolatile,
	291	get<Expression>().accept1( node->instruction ),
	292	get<Expression>().acceptL( node->output ),
	293	get<Expression>().acceptL( node->input ),
	294	get<ConstantExpr>().acceptL( node->clobber ),
	295	makeLabelL( nullptr, node->gotoLabels ) // What are these labelling?
	296	);
[112fe04]	297	return stmtPostamble( stmt, node );
[74dbbf6]	298	}
	299
	300	const ast::Stmt * visit( const ast::DirectiveStmt * node ) override final {
[4073b16]	301	if ( inCache( node ) ) return nullptr;
[675d816]	302	auto stmt = new DirectiveStmt( node->directive );
[112fe04]	303	return stmtPostamble( stmt, node );
[74dbbf6]	304	}
	305
	306	const ast::Stmt * visit( const ast::IfStmt * node ) override final {
[4073b16]	307	if ( inCache( node ) ) return nullptr;
[675d816]	308	auto stmt = new IfStmt(
	309	get<Expression>().accept1( node->cond ),
	310	get<Statement>().accept1( node->thenPart ),
	311	get<Statement>().accept1( node->elsePart ),
	312	get<Statement>().acceptL( node->inits )
	313	);
[112fe04]	314	return stmtPostamble( stmt, node );
[74dbbf6]	315	}
	316
[675d816]	317	const ast::Stmt * visit( const ast::SwitchStmt * node ) override final {
[4073b16]	318	if ( inCache( node ) ) return nullptr;
[675d816]	319	auto stmt = new SwitchStmt(
	320	get<Expression>().accept1( node->cond ),
	321	get<Statement>().acceptL( node->stmts )
	322	);
[112fe04]	323	return stmtPostamble( stmt, node );
[74dbbf6]	324	}
	325
[675d816]	326	const ast::Stmt * visit( const ast::CaseStmt * node ) override final {
[4073b16]	327	if ( inCache( node ) ) return nullptr;
[675d816]	328	auto stmt = new CaseStmt(
	329	get<Expression>().accept1( node->cond ),
	330	get<Statement>().acceptL( node->stmts ),
	331	node->isDefault()
	332	);
[112fe04]	333	return stmtPostamble( stmt, node );
[74dbbf6]	334	}
	335
[675d816]	336	const ast::Stmt * visit( const ast::WhileStmt * node ) override final {
[4073b16]	337	if ( inCache( node ) ) return nullptr;
[675d816]	338	auto inits = get<Statement>().acceptL( node->inits );
	339	auto stmt = new WhileStmt(
	340	get<Expression>().accept1( node->cond ),
	341	get<Statement>().accept1( node->body ),
	342	inits,
	343	node->isDoWhile
	344	);
[112fe04]	345	return stmtPostamble( stmt, node );
[74dbbf6]	346	}
	347
[675d816]	348	const ast::Stmt * visit( const ast::ForStmt * node ) override final {
[4073b16]	349	if ( inCache( node ) ) return nullptr;
[675d816]	350	auto stmt = new ForStmt(
	351	get<Statement>().acceptL( node->inits ),
	352	get<Expression>().accept1( node->cond ),
	353	get<Expression>().accept1( node->inc ),
	354	get<Statement>().accept1( node->body )
	355	);
[112fe04]	356	return stmtPostamble( stmt, node );
[74dbbf6]	357	}
	358
	359	const ast::Stmt * visit( const ast::BranchStmt * node ) override final {
[4073b16]	360	if ( inCache( node ) ) return nullptr;
[675d816]	361	BranchStmt * stmt;
	362	if (node->computedTarget) {
	363	stmt = new BranchStmt( get<Expression>().accept1( node->computedTarget ),
	364	BranchStmt::Goto );
	365	} else {
	366	BranchStmt::Type type;
	367	switch (node->kind) {
	368	#define CASE(n) \
	369	case ast::BranchStmt::n: \
	370	type = BranchStmt::n; \
	371	break
	372	CASE(Goto);
	373	CASE(Break);
	374	CASE(Continue);
	375	CASE(FallThrough);
	376	CASE(FallThroughDefault);
	377	#undef CASE
	378	default:
	379	assertf(false, "Invalid ast::BranchStmt::Kind: %d\n", node->kind);
	380	}
	381
	382	// The labels here are also weird.
	383	stmt = new BranchStmt( makeLabel( nullptr, node->originalTarget ), type );
	384	stmt->target = makeLabel( stmt, node->target );
	385	}
[112fe04]	386	return stmtPostamble( stmt, node );
[74dbbf6]	387	}
	388
	389	const ast::Stmt * visit( const ast::ReturnStmt * node ) override final {
[4073b16]	390	if ( inCache( node ) ) return nullptr;
[675d816]	391	auto stmt = new ReturnStmt( get<Expression>().accept1( node->expr ) );
[112fe04]	392	return stmtPostamble( stmt, node );
[74dbbf6]	393	}
	394
	395	const ast::Stmt * visit( const ast::ThrowStmt * node ) override final {
[4073b16]	396	if ( inCache( node ) ) return nullptr;
[675d816]	397	ThrowStmt::Kind kind;
	398	switch (node->kind) {
	399	case ast::ThrowStmt::Terminate:
	400	kind = ThrowStmt::Terminate;
	401	break;
	402	case ast::ThrowStmt::Resume:
	403	kind = ThrowStmt::Resume;
	404	break;
	405	default:
	406	assertf(false, "Invalid ast::ThrowStmt::Kind: %d\n", node->kind);
	407	}
	408	auto stmt = new ThrowStmt(
	409	kind,
	410	get<Expression>().accept1( node->expr ),
	411	get<Expression>().accept1( node->target )
	412	);
[112fe04]	413	return stmtPostamble( stmt, node );
[74dbbf6]	414	}
	415
	416	const ast::Stmt * visit( const ast::TryStmt * node ) override final {
[4073b16]	417	if ( inCache( node ) ) return nullptr;
[675d816]	418	auto handlers = get<CatchStmt>().acceptL( node->handlers );
	419	auto stmt = new TryStmt(
	420	get<CompoundStmt>().accept1( node->body ),
	421	handlers,
	422	get<FinallyStmt>().accept1( node->finally )
	423	);
[112fe04]	424	return stmtPostamble( stmt, node );
[74dbbf6]	425	}
	426
	427	const ast::Stmt * visit( const ast::CatchStmt * node ) override final {
[4073b16]	428	if ( inCache( node ) ) return nullptr;
[675d816]	429	CatchStmt::Kind kind;
	430	switch (node->kind) {
	431	case ast::CatchStmt::Terminate:
	432	kind = CatchStmt::Terminate;
	433	break;
	434	case ast::CatchStmt::Resume:
	435	kind = CatchStmt::Resume;
	436	break;
	437	default:
	438	assertf(false, "Invalid ast::CatchStmt::Kind: %d\n", node->kind);
	439	}
	440	auto stmt = new CatchStmt(
	441	kind,
	442	get<Declaration>().accept1( node->decl ),
	443	get<Expression>().accept1( node->cond ),
	444	get<Statement>().accept1( node->body )
	445	);
[112fe04]	446	return stmtPostamble( stmt, node );
[74dbbf6]	447	}
	448
	449	const ast::Stmt * visit( const ast::FinallyStmt * node ) override final {
[4073b16]	450	if ( inCache( node ) ) return nullptr;
[675d816]	451	auto stmt = new FinallyStmt( get<CompoundStmt>().accept1( node->body ) );
[112fe04]	452	return stmtPostamble( stmt, node );
[74dbbf6]	453	}
	454
	455	const ast::Stmt * visit( const ast::WaitForStmt * node ) override final {
[4073b16]	456	if ( inCache( node ) ) return nullptr;
[675d816]	457	auto stmt = new WaitForStmt;
	458	stmt->clauses.reserve( node->clauses.size() );
	459	for ( auto clause : node->clauses ) {
	460	stmt->clauses.push_back({{
[e0016a5]	461	get<Expression>().accept1( clause.target.func ),
	462	get<Expression>().acceptL( clause.target.args ),
[675d816]	463	},
	464	get<Statement>().accept1( clause.stmt ),
	465	get<Expression>().accept1( clause.cond ),
	466	});
	467	}
	468	stmt->timeout = {
	469	get<Expression>().accept1( node->timeout.time ),
	470	get<Statement>().accept1( node->timeout.stmt ),
	471	get<Expression>().accept1( node->timeout.cond ),
	472	};
	473	stmt->orelse = {
	474	get<Statement>().accept1( node->orElse.stmt ),
	475	get<Expression>().accept1( node->orElse.cond ),
	476	};
[112fe04]	477	return stmtPostamble( stmt, node );
[74dbbf6]	478	}
	479
	480	const ast::Stmt * visit( const ast::WithStmt * node ) override final {
[4073b16]	481	if ( inCache( node ) ) return nullptr;
[675d816]	482	auto stmt = new WithStmt(
	483	get<Expression>().acceptL( node->exprs ),
	484	get<Statement>().accept1( node->stmt )
	485	);
[112fe04]	486	return stmtPostamble( stmt, node );
[74dbbf6]	487	}
	488
	489	const ast::NullStmt * visit( const ast::NullStmt * node ) override final {
[4073b16]	490	if ( inCache( node ) ) return nullptr;
[675d816]	491	auto stmt = new NullStmt();
[112fe04]	492	stmtPostamble( stmt, node );
[74dbbf6]	493	return nullptr;
	494	}
	495
	496	const ast::Stmt * visit( const ast::DeclStmt * node ) override final {
[4073b16]	497	if ( inCache( node ) ) return nullptr;
[675d816]	498	auto stmt = new DeclStmt( get<Declaration>().accept1( node->decl ) );
[112fe04]	499	return stmtPostamble( stmt, node );
[74dbbf6]	500	}
	501
	502	const ast::Stmt * visit( const ast::ImplicitCtorDtorStmt * node ) override final {
[4073b16]	503	if ( inCache( node ) ) return nullptr;
	504	auto stmt = new ImplicitCtorDtorStmt{
	505	get<Statement>().accept1( node->callStmt )
	506	};
	507	return stmtPostamble( stmt, node );
[74dbbf6]	508	}
	509
[19e567dd]	510	TypeSubstitution * convertTypeSubstitution(const ast::TypeSubstitution * src) {
	511
[f685679]	512	if (!src) return nullptr;
	513
[19e567dd]	514	TypeSubstitution *rslt = new TypeSubstitution();
	515
	516	for (decltype(src->begin()) src_i = src->begin(); src_i != src->end(); src_i++) {
	517	rslt->add( src_i->first,
	518	get<Type>().accept1(src_i->second) );
	519	}
	520
	521	for (decltype(src->beginVar()) src_i = src->beginVar(); src_i != src->endVar(); src_i++) {
	522	rslt->addVar( src_i->first,
	523	get<Expression>().accept1(src_i->second) );
	524	}
	525
	526	return rslt;
	527	}
	528
	529	void convertInferUnion(std::map<UniqueId,ParamEntry> &tgtInferParams,
	530	std::vector<UniqueId> &tgtResnSlots,
	531	const ast::Expr::InferUnion &srcInferred ) {
	532
	533	assert( tgtInferParams.empty() );
	534	assert( tgtResnSlots.empty() );
	535
	536	if ( srcInferred.mode == ast::Expr::InferUnion::Params ) {
	537	const ast::InferredParams &srcParams = srcInferred.inferParamsConst();
	538	for (auto srcParam : srcParams) {
	539	tgtInferParams[srcParam.first] = ParamEntry(
	540	srcParam.second.decl,
	541	get<Type>().accept1(srcParam.second.actualType),
	542	get<Type>().accept1(srcParam.second.formalType),
	543	get<Expression>().accept1(srcParam.second.expr)
	544	);
	545	}
	546	} else if ( srcInferred.mode == ast::Expr::InferUnion::Slots ) {
	547	const ast::ResnSlots &srcSlots = srcInferred.resnSlotsConst();
	548	for (auto srcSlot : srcSlots) {
	549	tgtResnSlots.push_back(srcSlot);
	550	}
	551	}
	552	}
	553
[20de6fb]	554	Expression * visitBaseExpr_skipResultType(const ast::Expr * src, Expression * tgt) {
[19e567dd]	555
[20de6fb]	556	tgt->location = src->location;
	557	tgt->env = convertTypeSubstitution(src->env);
[19e567dd]	558	tgt->extension = src->extension;
	559
[20de6fb]	560	convertInferUnion(tgt->inferParams, tgt->resnSlots, src->inferred);
[19e567dd]	561	return tgt;
	562	}
	563
[20de6fb]	564	Expression * visitBaseExpr(const ast::Expr * src, Expression * tgt) {
	565
	566	tgt->result = get<Type>().accept1(src->result);
	567	return visitBaseExpr_skipResultType(src, tgt);
[74dbbf6]	568	}
	569
	570	const ast::Expr * visit( const ast::ApplicationExpr * node ) override final {
[19e567dd]	571	auto expr = visitBaseExpr( node,
	572	new ApplicationExpr(
	573	get<Expression>().accept1(node->func),
	574	get<Expression>().acceptL(node->args)
	575	)
	576	);
	577	this->node = expr;
[74dbbf6]	578	return nullptr;
	579	}
	580
	581	const ast::Expr * visit( const ast::UntypedExpr * node ) override final {
[19e567dd]	582	auto expr = visitBaseExpr( node,
	583	new UntypedExpr(
	584	get<Expression>().accept1(node->func),
	585	get<Expression>().acceptL(node->args)
	586	)
	587	);
	588	this->node = expr;
[74dbbf6]	589	return nullptr;
	590	}
	591
	592	const ast::Expr * visit( const ast::NameExpr * node ) override final {
[19e567dd]	593	auto expr = visitBaseExpr( node,
	594	new NameExpr(
	595	node->name
	596	)
	597	);
	598	this->node = expr;
[74dbbf6]	599	return nullptr;
	600	}
	601
	602	const ast::Expr * visit( const ast::AddressExpr * node ) override final {
[28c89f4]	603	auto expr = visitBaseExpr( node,
	604	new AddressExpr(
	605	get<Expression>().accept1(node->arg)
	606	)
	607	);
	608	this->node = expr;
[74dbbf6]	609	return nullptr;
	610	}
	611
	612	const ast::Expr * visit( const ast::LabelAddressExpr * node ) override final {
[28c89f4]	613	auto expr = visitBaseExpr( node,
	614	new LabelAddressExpr(
	615	makeLabel(nullptr, node->arg)
	616	)
	617	);
	618	this->node = expr;
[74dbbf6]	619	return nullptr;
	620	}
	621
	622	const ast::Expr * visit( const ast::CastExpr * node ) override final {
[28c89f4]	623	auto expr = visitBaseExpr( node,
	624	new CastExpr(
	625	get<Expression>().accept1(node->arg),
	626	(node->isGenerated == ast::GeneratedCast)
	627	)
	628	);
	629	this->node = expr;
[74dbbf6]	630	return nullptr;
	631	}
	632
	633	const ast::Expr * visit( const ast::KeywordCastExpr * node ) override final {
[28c89f4]	634	KeywordCastExpr::Target castTarget = KeywordCastExpr::NUMBER_OF_TARGETS;
	635	switch (node->target) {
	636	case ast::KeywordCastExpr::Coroutine:
	637	castTarget = KeywordCastExpr::Coroutine;
	638	break;
	639	case ast::KeywordCastExpr::Thread:
	640	castTarget = KeywordCastExpr::Thread;
	641	break;
	642	case ast::KeywordCastExpr::Monitor:
	643	castTarget = KeywordCastExpr::Monitor;
	644	break;
	645	default:
	646	break;
	647	}
	648	assert ( castTarget < KeywordCastExpr::NUMBER_OF_TARGETS );
	649	auto expr = visitBaseExpr( node,
	650	new KeywordCastExpr(
	651	get<Expression>().accept1(node->arg),
	652	castTarget
	653	)
	654	);
	655	this->node = expr;
[74dbbf6]	656	return nullptr;
	657	}
	658
	659	const ast::Expr * visit( const ast::VirtualCastExpr * node ) override final {
[20de6fb]	660	auto expr = visitBaseExpr_skipResultType( node,
[28c89f4]	661	new VirtualCastExpr(
	662	get<Expression>().accept1(node->arg),
[20de6fb]	663	get<Type>().accept1(node->result)
[28c89f4]	664	)
	665	);
	666	this->node = expr;
[74dbbf6]	667	return nullptr;
	668	}
	669
	670	const ast::Expr * visit( const ast::UntypedMemberExpr * node ) override final {
[28c89f4]	671	auto expr = visitBaseExpr( node,
	672	new UntypedMemberExpr(
	673	get<Expression>().accept1(node->member),
	674	get<Expression>().accept1(node->aggregate)
	675	)
	676	);
	677	this->node = expr;
[74dbbf6]	678	return nullptr;
	679	}
	680
	681	const ast::Expr * visit( const ast::MemberExpr * node ) override final {
[28c89f4]	682	auto expr = visitBaseExpr( node,
	683	new MemberExpr(
	684	inCache(node->member) ?
	685	dynamic_cast<DeclarationWithType *>(this->node) :
	686	get<DeclarationWithType>().accept1(node->member),
	687	get<Expression>().accept1(node->aggregate)
	688	)
	689	);
	690	this->node = expr;
[74dbbf6]	691	return nullptr;
	692	}
	693
	694	const ast::Expr * visit( const ast::VariableExpr * node ) override final {
[28c89f4]	695	auto expr = visitBaseExpr( node,
	696	new VariableExpr(
	697	inCache(node->var) ?
	698	dynamic_cast<DeclarationWithType *>(this->node) :
	699	get<DeclarationWithType>().accept1(node->var)
	700	)
	701	);
	702	this->node = expr;
[74dbbf6]	703	return nullptr;
	704	}
	705
	706	const ast::Expr * visit( const ast::ConstantExpr * node ) override final {
[28c89f4]	707	ConstantExpr *rslt = nullptr;
[20a5977]	708	switch ( node->kind ) {
	709	case ast::ConstantExpr::Integer:
	710	rslt = new ConstantExpr{Constant{
	711	get<Type>().accept1( node->result ),
[28c89f4]	712	node->rep,
	713	(unsigned long long) node->intValue()
[20a5977]	714	}};
	715	break;
	716	case ast::ConstantExpr::FloatingPoint:
	717	rslt = new ConstantExpr{Constant{
[28c89f4]	718	get<Type>().accept1(node->result),
	719	node->rep,
	720	(double) node->floatValue()
[20a5977]	721	}};
	722	break;
	723	case ast::ConstantExpr::String:
	724	rslt = new ConstantExpr{Constant::from_string( node->rep )};
	725	break;
[28c89f4]	726	}
	727	assert(rslt);
	728	auto expr = visitBaseExpr( node, rslt );
	729	this->node = expr;
[74dbbf6]	730	return nullptr;
	731	}
	732
	733	const ast::Expr * visit( const ast::SizeofExpr * node ) override final {
[28c89f4]	734	assert (node->expr \|\| node->type);
	735	assert (! (node->expr && node->type));
	736	SizeofExpr *rslt;
	737	if (node->expr) {
	738	rslt = new SizeofExpr(
	739	get<Expression>().accept1(node->expr)
	740	);
	741	assert (!rslt->isType);
	742	}
	743	if (node->type) {
	744	rslt = new SizeofExpr(
	745	get<Type>().accept1(node->type)
	746	);
	747	assert (rslt->isType);
	748	}
	749	auto expr = visitBaseExpr( node, rslt );
	750	this->node = expr;
[74dbbf6]	751	return nullptr;
	752	}
	753
	754	const ast::Expr * visit( const ast::AlignofExpr * node ) override final {
[28c89f4]	755	assert (node->expr \|\| node->type);
	756	assert (! (node->expr && node->type));
	757	AlignofExpr *rslt;
	758	if (node->expr) {
	759	rslt = new AlignofExpr(
	760	get<Expression>().accept1(node->expr)
	761	);
	762	assert (!rslt->isType);
	763	}
	764	if (node->type) {
	765	rslt = new AlignofExpr(
	766	get<Type>().accept1(node->type)
	767	);
	768	assert (rslt->isType);
	769	}
	770	auto expr = visitBaseExpr( node, rslt );
	771	this->node = expr;
[74dbbf6]	772	return nullptr;
	773	}
	774
	775	const ast::Expr * visit( const ast::UntypedOffsetofExpr * node ) override final {
[28c89f4]	776	auto expr = visitBaseExpr( node,
	777	new UntypedOffsetofExpr(
	778	get<Type>().accept1(node->type),
	779	node->member
	780	)
	781	);
	782	this->node = expr;
[74dbbf6]	783	return nullptr;
	784	}
	785
	786	const ast::Expr * visit( const ast::OffsetofExpr * node ) override final {
[28c89f4]	787	auto expr = visitBaseExpr( node,
	788	new OffsetofExpr(
	789	get<Type>().accept1(node->type),
	790	inCache(node->member) ?
	791	dynamic_cast<DeclarationWithType *>(this->node) :
	792	get<DeclarationWithType>().accept1(node->member)
	793	)
	794	);
	795	this->node = expr;
[74dbbf6]	796	return nullptr;
	797	}
	798
	799	const ast::Expr * visit( const ast::OffsetPackExpr * node ) override final {
[28c89f4]	800	auto expr = visitBaseExpr( node,
	801	new OffsetPackExpr(
	802	get<StructInstType>().accept1(node->type)
	803	)
	804	);
	805	this->node = expr;
[74dbbf6]	806	return nullptr;
	807	}
	808
	809	const ast::Expr * visit( const ast::LogicalExpr * node ) override final {
[28c89f4]	810	assert (node->isAnd == ast::LogicalFlag::AndExpr \|\|
	811	node->isAnd == ast::LogicalFlag::OrExpr );
	812	auto expr = visitBaseExpr( node,
	813	new LogicalExpr(
	814	get<Expression>().accept1(node->arg1),
	815	get<Expression>().accept1(node->arg2),
	816	(node->isAnd == ast::LogicalFlag::AndExpr)
	817	)
	818	);
	819	this->node = expr;
[74dbbf6]	820	return nullptr;
	821	}
	822
	823	const ast::Expr * visit( const ast::ConditionalExpr * node ) override final {
[28c89f4]	824	auto expr = visitBaseExpr( node,
	825	new ConditionalExpr(
	826	get<Expression>().accept1(node->arg1),
	827	get<Expression>().accept1(node->arg2),
	828	get<Expression>().accept1(node->arg3)
	829	)
	830	);
	831	this->node = expr;
[74dbbf6]	832	return nullptr;
	833	}
	834
	835	const ast::Expr * visit( const ast::CommaExpr * node ) override final {
[28c89f4]	836	auto expr = visitBaseExpr( node,
	837	new CommaExpr(
	838	get<Expression>().accept1(node->arg1),
	839	get<Expression>().accept1(node->arg2)
	840	)
	841	);
	842	this->node = expr;
[74dbbf6]	843	return nullptr;
	844	}
	845
	846	const ast::Expr * visit( const ast::TypeExpr * node ) override final {
[20de6fb]	847	auto expr = visitBaseExpr( node,
	848	new TypeExpr(
	849	get<Type>().accept1(node->type)
	850	)
	851	);
	852	this->node = expr;
[74dbbf6]	853	return nullptr;
	854	}
	855
	856	const ast::Expr * visit( const ast::AsmExpr * node ) override final {
[20de6fb]	857	auto expr = visitBaseExpr( node,
	858	new AsmExpr(
	859	get<Expression>().accept1(node->inout),
	860	get<Expression>().accept1(node->constraint),
	861	get<Expression>().accept1(node->operand)
	862	)
	863	);
	864	this->node = expr;
[74dbbf6]	865	return nullptr;
	866	}
	867
	868	const ast::Expr * visit( const ast::ImplicitCopyCtorExpr * node ) override final {
[20de6fb]	869	auto rslt = new ImplicitCopyCtorExpr(
	870	get<ApplicationExpr>().accept1(node->callExpr)
	871	);
	872
	873	auto expr = visitBaseExpr( node, rslt );
	874	this->node = expr;
[74dbbf6]	875	return nullptr;
	876	}
	877
	878	const ast::Expr * visit( const ast::ConstructorExpr * node ) override final {
[20de6fb]	879	auto expr = visitBaseExpr( node,
	880	new ConstructorExpr(
	881	get<Expression>().accept1(node->callExpr)
	882	)
	883	);
	884	this->node = expr;
[74dbbf6]	885	return nullptr;
	886	}
	887
	888	const ast::Expr * visit( const ast::CompoundLiteralExpr * node ) override final {
[20de6fb]	889	auto expr = visitBaseExpr_skipResultType( node,
	890	new CompoundLiteralExpr(
	891	get<Type>().accept1(node->result),
	892	get<Initializer>().accept1(node->init)
	893	)
	894	);
	895	this->node = expr;
[74dbbf6]	896	return nullptr;
	897	}
	898
	899	const ast::Expr * visit( const ast::RangeExpr * node ) override final {
[20de6fb]	900	auto expr = visitBaseExpr( node,
	901	new RangeExpr(
	902	get<Expression>().accept1(node->low),
	903	get<Expression>().accept1(node->high)
	904	)
	905	);
	906	this->node = expr;
[74dbbf6]	907	return nullptr;
	908	}
	909
	910	const ast::Expr * visit( const ast::UntypedTupleExpr * node ) override final {
[20de6fb]	911	auto expr = visitBaseExpr( node,
	912	new UntypedTupleExpr(
	913	get<Expression>().acceptL(node->exprs)
	914	)
	915	);
	916	this->node = expr;
[74dbbf6]	917	return nullptr;
	918	}
	919
	920	const ast::Expr * visit( const ast::TupleExpr * node ) override final {
[20de6fb]	921	auto expr = visitBaseExpr( node,
	922	new UntypedTupleExpr(
	923	get<Expression>().acceptL(node->exprs)
	924	)
	925	);
	926	this->node = expr;
[74dbbf6]	927	return nullptr;
	928	}
	929
	930	const ast::Expr * visit( const ast::TupleIndexExpr * node ) override final {
[20de6fb]	931	auto expr = visitBaseExpr( node,
	932	new TupleIndexExpr(
	933	get<Expression>().accept1(node->tuple),
	934	node->index
	935	)
	936	);
	937	this->node = expr;
[74dbbf6]	938	return nullptr;
	939	}
	940
	941	const ast::Expr * visit( const ast::TupleAssignExpr * node ) override final {
[20de6fb]	942	auto expr = visitBaseExpr( node,
	943	new TupleAssignExpr(
	944	get<StmtExpr>().accept1(node->stmtExpr)
	945	)
	946	);
	947	this->node = expr;
[74dbbf6]	948	return nullptr;
	949	}
	950
	951	const ast::Expr * visit( const ast::StmtExpr * node ) override final {
[20de6fb]	952	auto rslt = new StmtExpr(
	953	get<CompoundStmt>().accept1(node->stmts)
	954	);
	955
	956	rslt->returnDecls = get<ObjectDecl>().acceptL(node->returnDecls);
	957	rslt->dtors = get<Expression>().acceptL(node->dtors);
	958
	959	auto expr = visitBaseExpr( node, rslt );
	960	this->node = expr;
[74dbbf6]	961	return nullptr;
	962	}
	963
	964	const ast::Expr * visit( const ast::UniqueExpr * node ) override final {
[20de6fb]	965	auto rslt = new UniqueExpr(
	966	get<Expression>().accept1(node->expr)
	967	);
	968
	969	rslt->object = get<ObjectDecl> ().accept1(node->object);
	970	rslt->var = get<VariableExpr>().accept1(node->var);
	971
	972	auto expr = visitBaseExpr( node, rslt );
	973	this->node = expr;
[74dbbf6]	974	return nullptr;
	975	}
	976
	977	const ast::Expr * visit( const ast::UntypedInitExpr * node ) override final {
[20de6fb]	978	std::list<InitAlternative> initAlts;
	979	for (auto ia : node->initAlts) {
	980	initAlts.push_back(InitAlternative(
	981	get<Type> ().accept1(ia.type),
	982	get<Designation>().accept1(ia.designation)
	983	));
	984	}
	985	auto expr = visitBaseExpr( node,
	986	new UntypedInitExpr(
	987	get<Expression>().accept1(node->expr),
	988	initAlts
	989	)
	990	);
	991	this->node = expr;
[74dbbf6]	992	return nullptr;
	993	}
	994
	995	const ast::Expr * visit( const ast::InitExpr * node ) override final {
[20de6fb]	996	auto expr = visitBaseExpr( node,
	997	new InitExpr(
	998	get<Expression>().accept1(node->expr),
	999	get<Designation>().accept1(node->designation)
	1000	)
	1001	);
	1002	this->node = expr;
[74dbbf6]	1003	return nullptr;
	1004	}
	1005
	1006	const ast::Expr * visit( const ast::DeletedExpr * node ) override final {
[20de6fb]	1007	auto expr = visitBaseExpr( node,
	1008	new DeletedExpr(
	1009	get<Expression>().accept1(node->expr),
	1010	inCache(node->deleteStmt) ?
	1011	this->node :
	1012	get<BaseSyntaxNode>().accept1(node->deleteStmt)
	1013	)
	1014	);
	1015	this->node = expr;
[74dbbf6]	1016	return nullptr;
	1017	}
	1018
	1019	const ast::Expr * visit( const ast::DefaultArgExpr * node ) override final {
[20de6fb]	1020	auto expr = visitBaseExpr( node,
	1021	new DefaultArgExpr(
	1022	get<Expression>().accept1(node->expr)
	1023	)
	1024	);
	1025	this->node = expr;
[74dbbf6]	1026	return nullptr;
	1027	}
	1028
	1029	const ast::Expr * visit( const ast::GenericExpr * node ) override final {
[20de6fb]	1030	std::list<GenericExpr::Association> associations;
	1031	for (auto association : node->associations) {
	1032	associations.push_back(GenericExpr::Association(
	1033	get<Type> ().accept1(association.type),
	1034	get<Expression>().accept1(association.expr)
	1035	));
	1036	}
	1037	auto expr = visitBaseExpr( node,
	1038	new GenericExpr(
	1039	get<Expression>().accept1(node->control),
	1040	associations
	1041	)
	1042	);
	1043	this->node = expr;
[74dbbf6]	1044	return nullptr;
	1045	}
	1046
	1047	const ast::Type * visit( const ast::VoidType * node ) override final {
[d148778]	1048	this->node = new VoidType{ cv( node ) };
[74dbbf6]	1049	return nullptr;
	1050	}
	1051
	1052	const ast::Type * visit( const ast::BasicType * node ) override final {
[d148778]	1053	this->node = new BasicType{ cv( node ), (BasicType::Kind)(unsigned)node->kind };
[74dbbf6]	1054	return nullptr;
	1055	}
	1056
	1057	const ast::Type * visit( const ast::PointerType * node ) override final {
[d148778]	1058	this->node = new PointerType{
	1059	cv( node ),
	1060	get<Type>().accept1( node->base ),
	1061	get<Expression>().accept1( node->dimension ),
[746ae82]	1062	(bool)node->isVarLen,
	1063	(bool)node->isStatic
[d148778]	1064	};
[74dbbf6]	1065	return nullptr;
	1066	}
	1067
	1068	const ast::Type * visit( const ast::ArrayType * node ) override final {
[d148778]	1069	this->node = new ArrayType{
	1070	cv( node ),
	1071	get<Type>().accept1( node->base ),
	1072	get<Expression>().accept1( node->dimension ),
[746ae82]	1073	(bool)node->isVarLen,
	1074	(bool)node->isStatic
[d148778]	1075	};
[74dbbf6]	1076	return nullptr;
	1077	}
	1078
	1079	const ast::Type * visit( const ast::ReferenceType * node ) override final {
[d148778]	1080	this->node = new ReferenceType{
	1081	cv( node ),
	1082	get<Type>().accept1( node->base )
	1083	};
[74dbbf6]	1084	return nullptr;
	1085	}
	1086
	1087	const ast::Type * visit( const ast::QualifiedType * node ) override final {
[d148778]	1088	this->node = new QualifiedType{
	1089	cv( node ),
	1090	get<Type>().accept1( node->parent ),
	1091	get<Type>().accept1( node->child )
	1092	};
[74dbbf6]	1093	return nullptr;
	1094	}
	1095
	1096	const ast::Type * visit( const ast::FunctionType * node ) override final {
[746ae82]	1097	auto ty = new FunctionType {
[0b57626]	1098	cv( node ),
[746ae82]	1099	(bool)node->isVarArgs
	1100	};
[d148778]	1101	ty->returnVals = get<DeclarationWithType>().acceptL( node->returns );
	1102	ty->parameters = get<DeclarationWithType>().acceptL( node->params );
	1103	ty->forall = get<TypeDecl>().acceptL( node->forall );
[514a791]	1104	this->node = ty;
[74dbbf6]	1105	return nullptr;
	1106	}
	1107
[b869ec5]	1108	void postvisit( const ast::ReferenceToType * old, ReferenceToType * ty ) {
	1109	ty->forall = get<TypeDecl>().acceptL( old->forall );
	1110	ty->parameters = get<Expression>().acceptL( old->params );
	1111	ty->hoistType = old->hoistType;
	1112	}
	1113
[74dbbf6]	1114	const ast::Type * visit( const ast::StructInstType * node ) override final {
[b869ec5]	1115	StructInstType * ty;
	1116	if ( node->base ) {
	1117	ty = new StructInstType{
	1118	cv( node ),
	1119	get<StructDecl>().accept1( node->base ),
	1120	get<Attribute>().acceptL( node->attributes )
	1121	};
	1122	} else {
	1123	ty = new StructInstType{
	1124	cv( node ),
	1125	node->name,
	1126	get<Attribute>().acceptL( node->attributes )
	1127	};
	1128	}
	1129	postvisit( node, ty );
	1130	this->node = ty;
[74dbbf6]	1131	return nullptr;
	1132	}
	1133
	1134	const ast::Type * visit( const ast::UnionInstType * node ) override final {
[b869ec5]	1135	UnionInstType * ty;
	1136	if ( node->base ) {
	1137	ty = new UnionInstType{
	1138	cv( node ),
	1139	get<UnionDecl>().accept1( node->base ),
	1140	get<Attribute>().acceptL( node->attributes )
	1141	};
	1142	} else {
	1143	ty = new UnionInstType{
	1144	cv( node ),
	1145	node->name,
	1146	get<Attribute>().acceptL( node->attributes )
	1147	};
	1148	}
	1149	postvisit( node, ty );
	1150	this->node = ty;
[74dbbf6]	1151	return nullptr;
	1152	}
	1153
	1154	const ast::Type * visit( const ast::EnumInstType * node ) override final {
[b869ec5]	1155	EnumInstType * ty;
	1156	if ( node->base ) {
	1157	ty = new EnumInstType{
	1158	cv( node ),
	1159	get<EnumDecl>().accept1( node->base ),
	1160	get<Attribute>().acceptL( node->attributes )
	1161	};
	1162	} else {
	1163	ty = new EnumInstType{
	1164	cv( node ),
	1165	node->name,
	1166	get<Attribute>().acceptL( node->attributes )
	1167	};
	1168	}
	1169	postvisit( node, ty );
	1170	this->node = ty;
[74dbbf6]	1171	return nullptr;
	1172	}
	1173
	1174	const ast::Type * visit( const ast::TraitInstType * node ) override final {
[b869ec5]	1175	TraitInstType * ty;
	1176	if ( node->base ) {
	1177	ty = new TraitInstType{
	1178	cv( node ),
	1179	get<TraitDecl>().accept1( node->base ),
	1180	get<Attribute>().acceptL( node->attributes )
	1181	};
	1182	} else {
	1183	ty = new TraitInstType{
	1184	cv( node ),
	1185	node->name,
	1186	get<Attribute>().acceptL( node->attributes )
	1187	};
	1188	}
	1189	postvisit( node, ty );
	1190	this->node = ty;
[74dbbf6]	1191	return nullptr;
	1192	}
	1193
	1194	const ast::Type * visit( const ast::TypeInstType * node ) override final {
[b869ec5]	1195	TypeInstType * ty;
	1196	if ( node->base ) {
	1197	ty = new TypeInstType{
	1198	cv( node ),
	1199	node->name,
	1200	get<TypeDecl>().accept1( node->base ),
	1201	get<Attribute>().acceptL( node->attributes )
	1202	};
	1203	} else {
	1204	ty = new TypeInstType{
	1205	cv( node ),
	1206	node->name,
	1207	node->kind == ast::TypeVar::Ftype,
	1208	get<Attribute>().acceptL( node->attributes )
	1209	};
	1210	}
	1211	postvisit( node, ty );
	1212	this->node = ty;
[74dbbf6]	1213	return nullptr;
	1214	}
	1215
	1216	const ast::Type * visit( const ast::TupleType * node ) override final {
[746ae82]	1217	this->node = new TupleType{
	1218	cv( node ),
	1219	get<Type>().acceptL( node->types )
	1220	// members generated by TupleType c'tor
	1221	};
[74dbbf6]	1222	return nullptr;
	1223	}
	1224
	1225	const ast::Type * visit( const ast::TypeofType * node ) override final {
[746ae82]	1226	this->node = new TypeofType{
	1227	cv( node ),
	1228	get<Expression>().accept1( node->expr ),
	1229	(bool)node->kind
	1230	};
[74dbbf6]	1231	return nullptr;
	1232	}
	1233
	1234	const ast::Type * visit( const ast::VarArgsType * node ) override final {
[746ae82]	1235	this->node = new VarArgsType{ cv( node ) };
[74dbbf6]	1236	return nullptr;
	1237	}
	1238
	1239	const ast::Type * visit( const ast::ZeroType * node ) override final {
[746ae82]	1240	this->node = new ZeroType{ cv( node ) };
[74dbbf6]	1241	return nullptr;
	1242	}
	1243
	1244	const ast::Type * visit( const ast::OneType * node ) override final {
[746ae82]	1245	this->node = new OneType{ cv( node ) };
[74dbbf6]	1246	return nullptr;
	1247	}
	1248
[746ae82]	1249	const ast::Type * visit( const ast::GlobalScopeType * ) override final {
	1250	this->node = new GlobalScopeType{};
[74dbbf6]	1251	return nullptr;
	1252	}
	1253
	1254	const ast::Designation * visit( const ast::Designation * node ) override final {
[74ad8c0]	1255	auto designation = new Designation( get<Expression>().acceptL( node->designators ) );
	1256	designation->location = node->location;
	1257	this->node = designation;
[74dbbf6]	1258	return nullptr;
	1259	}
	1260
	1261	const ast::Init * visit( const ast::SingleInit * node ) override final {
[74ad8c0]	1262	auto init = new SingleInit(
	1263	get<Expression>().accept1( node->value ),
	1264	ast::MaybeConstruct == node->maybeConstructed
	1265	);
	1266	init->location = node->location;
	1267	this->node = init;
[74dbbf6]	1268	return nullptr;
	1269	}
	1270
	1271	const ast::Init * visit( const ast::ListInit * node ) override final {
[74ad8c0]	1272	auto init = new ListInit(
	1273	get<Initializer>().acceptL( node->initializers ),
	1274	get<Designation>().acceptL( node->designations ),
	1275	ast::MaybeConstruct == node->maybeConstructed
	1276	);
	1277	init->location = node->location;
	1278	this->node = init;
[74dbbf6]	1279	return nullptr;
	1280	}
	1281
	1282	const ast::Init * visit( const ast::ConstructorInit * node ) override final {
[74ad8c0]	1283	auto init = new ConstructorInit(
	1284	get<Statement>().accept1( node->ctor ),
	1285	get<Statement>().accept1( node->dtor ),
	1286	get<Initializer>().accept1( node->init )
	1287	);
	1288	init->location = node->location;
	1289	this->node = init;
[74dbbf6]	1290	return nullptr;
	1291	}
	1292
	1293	const ast::Attribute * visit( const ast::Attribute * node ) override final {
[dd6d7c6]	1294	auto attr = new Attribute(
	1295	node->name,
[489bacf]	1296	get<Expression>().acceptL(node->params)
[dd6d7c6]	1297	);
	1298	this->node = attr;
[74dbbf6]	1299	return nullptr;
	1300	}
	1301
	1302	const ast::TypeSubstitution * visit( const ast::TypeSubstitution * node ) override final {
[dd6d7c6]	1303	// Handled by convertTypeSubstitution helper instead.
	1304	// TypeSubstitution is not a node in the old model, so the conversion result wouldn't fit in this->node.
	1305	assert( 0 );
[74dbbf6]	1306	(void)node;
	1307	return nullptr;
	1308	}
[6d51bd7]	1309	};
	1310
[8abee136]	1311	std::list< Declaration * > convert( const std::list< ast::ptr< ast::Decl > > && translationUnit ) {
[74dbbf6]	1312	ConverterNewToOld c;
	1313	std::list< Declaration * > decls;
	1314	for(auto d : translationUnit) {
[675d816]	1315	decls.emplace_back( c.decl( d ) );
[74dbbf6]	1316	}
	1317	return decls;
[6d51bd7]	1318	}
	1319
	1320	//================================================================================================
	1321
	1322	class ConverterOldToNew : public Visitor {
	1323	public:
	1324	ast::Decl * decl() {
	1325	return strict_dynamic_cast< ast::Decl * >( node );
	1326	}
	1327	private:
[d148778]	1328	/// conversion output
[6d51bd7]	1329	ast::Node * node;
[d148778]	1330	/// cache of nodes that might be referenced by readonly<> for de-duplication
	1331	std::unordered_map< BaseSyntaxNode , ast::Node > cache;
[6d51bd7]	1332
[6f8e87d]	1333	// Local Utilities:
	1334
	1335	template<typename NewT, typename OldT>
	1336	NewT * getAccept1( OldT old ) {
[d148778]	1337	if ( ! old ) return nullptr;
[6f8e87d]	1338	old->accept(*this);
	1339	return strict_dynamic_cast< NewT * >( node );
	1340	}
	1341
	1342	# define GET_ACCEPT_1(child, type) \
	1343	getAccept1< ast::type, decltype( old->child ) >( old->child )
	1344
	1345	template<typename NewT, typename OldC>
	1346	std::vector< ast::ptr<NewT> > getAcceptV( OldC& old ) {
	1347	std::vector< ast::ptr<NewT> > ret;
	1348	ret.reserve( old.size() );
	1349	for ( auto a : old ) {
	1350	a->accept( *this );
	1351	ret.emplace_back( strict_dynamic_cast< NewT * >(node) );
	1352	}
	1353	return ret;
	1354	}
	1355
	1356	# define GET_ACCEPT_V(child, type) \
	1357	getAcceptV< ast::type, decltype( old->child ) >( old->child )
	1358
	1359	ast::Label make_label(Label* old) {
	1360	return ast::Label(
	1361	old->labelled->location,
	1362	old->name,
	1363	GET_ACCEPT_V(attributes, Attribute)
	1364	);
	1365	}
	1366
[6d51bd7]	1367	template<template <class...> class C>
	1368	C<ast::Label> make_labels(C<Label> olds) {
	1369	C<ast::Label> ret;
[6f8e87d]	1370	for (auto oldn : olds) {
	1371	ret.push_back( make_label( &oldn ) );
[6d51bd7]	1372	}
	1373	return ret;
	1374	}
	1375
[6f8e87d]	1376	# define GET_LABELS_V(labels) \
	1377	to<std::vector>::from( make_labels( std::move( labels ) ) )
	1378
[d148778]	1379	static ast::CV::Qualifiers cv( Type * ty ) { return { ty->get_qualifiers().val }; }
	1380
[b869ec5]	1381	/// returns true and sets `node` if in cache
	1382	bool inCache( BaseSyntaxNode * old ) {
[d148778]	1383	auto it = cache.find( old );
[b869ec5]	1384	if ( it == cache.end() ) return false;
	1385	node = it->second;
	1386	return true;
[d148778]	1387	}
[6f8e87d]	1388
	1389	// Now all the visit functions:
	1390
[6d51bd7]	1391	virtual void visit( ObjectDecl * old ) override final {
[b869ec5]	1392	if ( inCache( old ) ) return;
[6d51bd7]	1393	auto decl = new ast::ObjectDecl(
	1394	old->location,
	1395	old->name,
[d66e7b7]	1396	GET_ACCEPT_1(type, Type),
	1397	GET_ACCEPT_1(init, Init),
[6d51bd7]	1398	{ old->get_storageClasses().val },
	1399	{ old->linkage.val },
[d66e7b7]	1400	GET_ACCEPT_1(bitfieldWidth, Expr),
	1401	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1402	{ old->get_funcSpec().val }
	1403	);
[8abee136]	1404	cache.emplace( old, decl );
[6d51bd7]	1405	decl->scopeLevel = old->scopeLevel;
	1406	decl->mangleName = old->mangleName;
	1407	decl->isDeleted = old->isDeleted;
	1408	decl->uniqueId = old->uniqueId;
	1409	decl->extension = old->extension;
	1410
	1411	this->node = decl;
	1412	}
	1413
[b869ec5]	1414	virtual void visit( FunctionDecl * old ) override final {
	1415	if ( inCache( old ) ) return;
[9a0cd9c]	1416	auto decl = new ast::FunctionDecl{
	1417	old->location,
	1418	old->name,
	1419	GET_ACCEPT_1(type, FunctionType),
	1420	GET_ACCEPT_1(statements, CompoundStmt),
	1421	{ old->storageClasses.val },
	1422	{ old->linkage.val },
	1423	GET_ACCEPT_V(attributes, Attribute),
	1424	{ old->get_funcSpec().val }
	1425	};
[8abee136]	1426	cache.emplace( old, decl );
[9a0cd9c]	1427	decl->scopeLevel = old->scopeLevel;
	1428	decl->mangleName = old->mangleName;
	1429	decl->isDeleted = old->isDeleted;
	1430	decl->uniqueId = old->uniqueId;
	1431	decl->extension = old->extension;
[6d51bd7]	1432
[9a0cd9c]	1433	this->node = decl;
[6d51bd7]	1434	}
	1435
	1436	virtual void visit( StructDecl * old ) override final {
[b869ec5]	1437	if ( inCache( old ) ) return;
[6d51bd7]	1438	auto decl = new ast::StructDecl(
	1439	old->location,
	1440	old->name,
	1441	old->kind,
[d66e7b7]	1442	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1443	{ old->linkage.val }
	1444	);
[8abee136]	1445	cache.emplace( old, decl );
[d66e7b7]	1446	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1447	decl->body = old->body;
[d66e7b7]	1448	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1449	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1450	decl->extension = old->extension;
	1451	decl->uniqueId = old->uniqueId;
	1452	decl->storage = { old->storageClasses.val };
	1453
	1454	this->node = decl;
	1455	}
	1456
	1457	virtual void visit( UnionDecl * old ) override final {
[b869ec5]	1458	if ( inCache( old ) ) return;
[6d51bd7]	1459	auto decl = new ast::UnionDecl(
	1460	old->location,
	1461	old->name,
[d66e7b7]	1462	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1463	{ old->linkage.val }
	1464	);
[8abee136]	1465	cache.emplace( old, decl );
[d66e7b7]	1466	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1467	decl->body = old->body;
[d66e7b7]	1468	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1469	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1470	decl->extension = old->extension;
	1471	decl->uniqueId = old->uniqueId;
	1472	decl->storage = { old->storageClasses.val };
	1473
	1474	this->node = decl;
	1475	}
	1476
	1477	virtual void visit( EnumDecl * old ) override final {
[b869ec5]	1478	if ( inCache( old ) ) return;
[6d51bd7]	1479	auto decl = new ast::UnionDecl(
	1480	old->location,
	1481	old->name,
[d66e7b7]	1482	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1483	{ old->linkage.val }
	1484	);
[8abee136]	1485	cache.emplace( old, decl );
[d66e7b7]	1486	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1487	decl->body = old->body;
[d66e7b7]	1488	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1489	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1490	decl->extension = old->extension;
	1491	decl->uniqueId = old->uniqueId;
	1492	decl->storage = { old->storageClasses.val };
	1493
	1494	this->node = decl;
	1495	}
	1496
	1497	virtual void visit( TraitDecl * old ) override final {
[b869ec5]	1498	if ( inCache( old ) ) return;
[6d51bd7]	1499	auto decl = new ast::UnionDecl(
	1500	old->location,
	1501	old->name,
[d66e7b7]	1502	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1503	{ old->linkage.val }
	1504	);
[8abee136]	1505	cache.emplace( old, decl );
[d66e7b7]	1506	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1507	decl->body = old->body;
[d66e7b7]	1508	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1509	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1510	decl->extension = old->extension;
	1511	decl->uniqueId = old->uniqueId;
	1512	decl->storage = { old->storageClasses.val };
	1513
	1514	this->node = decl;
	1515	}
	1516
[b869ec5]	1517	virtual void visit( TypeDecl * old ) override final {
[0b57626]	1518	if ( inCache( old ) ) return;
[9a0cd9c]	1519	auto decl = new ast::TypeDecl{
	1520	old->location,
	1521	old->name,
	1522	{ old->storageClasses.val },
	1523	GET_ACCEPT_1(base, Type),
	1524	(ast::TypeVar::Kind)(unsigned)old->kind,
	1525	old->sized,
	1526	GET_ACCEPT_1(init, Type)
	1527	};
[8abee136]	1528	cache.emplace( old, decl );
[9a0cd9c]	1529	decl->assertions = GET_ACCEPT_V(assertions, DeclWithType);
	1530	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1531	decl->extension = old->extension;
	1532	decl->uniqueId = old->uniqueId;
[6d51bd7]	1533
[9a0cd9c]	1534	this->node = decl;
[6d51bd7]	1535	}
	1536
	1537	virtual void visit( TypedefDecl * old ) override final {
	1538	auto decl = new ast::TypedefDecl(
	1539	old->location,
	1540	old->name,
	1541	{ old->storageClasses.val },
[d66e7b7]	1542	GET_ACCEPT_1(base, Type),
[6d51bd7]	1543	{ old->linkage.val }
	1544	);
[d66e7b7]	1545	decl->assertions = GET_ACCEPT_V(assertions, DeclWithType);
	1546	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
[6d51bd7]	1547	decl->extension = old->extension;
	1548	decl->uniqueId = old->uniqueId;
	1549	decl->storage = { old->storageClasses.val };
	1550
	1551	this->node = decl;
	1552	}
	1553
[9a0cd9c]	1554	virtual void visit( AsmDecl * old ) override final {
	1555	auto decl = new ast::AsmDecl{
[0b57626]	1556	old->location,
[9a0cd9c]	1557	GET_ACCEPT_1(stmt, AsmStmt)
	1558	};
	1559	decl->extension = old->extension;
	1560	decl->uniqueId = old->uniqueId;
	1561	decl->storage = { old->storageClasses.val };
[6d51bd7]	1562
[9a0cd9c]	1563	this->node = decl;
[6d51bd7]	1564	}
	1565
[9a0cd9c]	1566	virtual void visit( StaticAssertDecl * old ) override final {
	1567	auto decl = new ast::StaticAssertDecl{
	1568	old->location,
	1569	GET_ACCEPT_1(condition, Expr),
	1570	GET_ACCEPT_1(message, ConstantExpr)
	1571	};
	1572	decl->extension = old->extension;
	1573	decl->uniqueId = old->uniqueId;
	1574	decl->storage = { old->storageClasses.val };
[6d51bd7]	1575
[9a0cd9c]	1576	this->node = decl;
[6d51bd7]	1577	}
	1578
	1579	virtual void visit( CompoundStmt * old ) override final {
[4073b16]	1580	if ( inCache( old ) ) return;
[6d51bd7]	1581	auto stmt = new ast::CompoundStmt(
	1582	old->location,
[d66e7b7]	1583	to<std::list>::from( GET_ACCEPT_V(kids, Stmt) ),
	1584	GET_LABELS_V(old->labels)
[6d51bd7]	1585	);
	1586
	1587	this->node = stmt;
[4073b16]	1588	cache.emplace( old, this->node );
[6d51bd7]	1589	}
	1590
	1591	virtual void visit( ExprStmt * old ) override final {
[4073b16]	1592	if ( inCache( old ) ) return;
[6f8e87d]	1593	this->node = new ast::ExprStmt(
[6d51bd7]	1594	old->location,
[6f8e87d]	1595	GET_ACCEPT_1(expr, Expr),
	1596	GET_LABELS_V(old->labels)
[6d51bd7]	1597	);
[4073b16]	1598	cache.emplace( old, this->node );
[6d51bd7]	1599	}
	1600
[6f8e87d]	1601	virtual void visit( AsmStmt * old ) override final {
[4073b16]	1602	if ( inCache( old ) ) return;
[6f8e87d]	1603	this->node = new ast::AsmStmt(
	1604	old->location,
	1605	old->voltile,
	1606	GET_ACCEPT_1(instruction, Expr),
	1607	GET_ACCEPT_V(output, Expr),
	1608	GET_ACCEPT_V(input, Expr),
	1609	GET_ACCEPT_V(clobber, ConstantExpr),
	1610	GET_LABELS_V(old->gotolabels),
	1611	GET_LABELS_V(old->labels)
	1612	);
[4073b16]	1613	cache.emplace( old, this->node );
[6d51bd7]	1614	}
	1615
[6f8e87d]	1616	virtual void visit( DirectiveStmt * old ) override final {
[4073b16]	1617	if ( inCache( old ) ) return;
[6f8e87d]	1618	this->node = new ast::DirectiveStmt(
	1619	old->location,
	1620	old->directive,
	1621	GET_LABELS_V(old->labels)
	1622	);
[4073b16]	1623	cache.emplace( old, this->node );
[6d51bd7]	1624	}
	1625
[6f8e87d]	1626	virtual void visit( IfStmt * old ) override final {
[4073b16]	1627	if ( inCache( old ) ) return;
[6f8e87d]	1628	this->node = new ast::IfStmt(
	1629	old->location,
	1630	GET_ACCEPT_1(condition, Expr),
	1631	GET_ACCEPT_1(thenPart, Stmt),
	1632	GET_ACCEPT_1(elsePart, Stmt),
	1633	GET_ACCEPT_V(initialization, Stmt),
	1634	GET_LABELS_V(old->labels)
	1635	);
[4073b16]	1636	cache.emplace( old, this->node );
[6d51bd7]	1637	}
	1638
[6f8e87d]	1639	virtual void visit( SwitchStmt * old ) override final {
[4073b16]	1640	if ( inCache( old ) ) return;
[6f8e87d]	1641	this->node = new ast::SwitchStmt(
	1642	old->location,
	1643	GET_ACCEPT_1(condition, Expr),
	1644	GET_ACCEPT_V(statements, Stmt),
	1645	GET_LABELS_V(old->labels)
	1646	);
[4073b16]	1647	cache.emplace( old, this->node );
[6d51bd7]	1648	}
	1649
[6f8e87d]	1650	virtual void visit( CaseStmt * old ) override final {
[4073b16]	1651	if ( inCache( old ) ) return;
[6f8e87d]	1652	this->node = new ast::CaseStmt(
	1653	old->location,
	1654	GET_ACCEPT_1(condition, Expr),
	1655	GET_ACCEPT_V(stmts, Stmt),
	1656	GET_LABELS_V(old->labels)
	1657	);
[4073b16]	1658	cache.emplace( old, this->node );
[6d51bd7]	1659	}
	1660
[6f8e87d]	1661	virtual void visit( WhileStmt * old ) override final {
[4073b16]	1662	if ( inCache( old ) ) return;
[6f8e87d]	1663	this->node = new ast::WhileStmt(
	1664	old->location,
	1665	GET_ACCEPT_1(condition, Expr),
	1666	GET_ACCEPT_1(body, Stmt),
	1667	GET_ACCEPT_V(initialization, Stmt),
	1668	old->isDoWhile,
	1669	GET_LABELS_V(old->labels)
	1670	);
[4073b16]	1671	cache.emplace( old, this->node );
[6d51bd7]	1672	}
	1673
[6f8e87d]	1674	virtual void visit( ForStmt * old ) override final {
[4073b16]	1675	if ( inCache( old ) ) return;
[6f8e87d]	1676	this->node = new ast::ForStmt(
	1677	old->location,
	1678	GET_ACCEPT_V(initialization, Stmt),
	1679	GET_ACCEPT_1(condition, Expr),
	1680	GET_ACCEPT_1(increment, Expr),
	1681	GET_ACCEPT_1(body, Stmt),
	1682	GET_LABELS_V(old->labels)
	1683	);
[4073b16]	1684	cache.emplace( old, this->node );
[6d51bd7]	1685	}
	1686
[6f8e87d]	1687	virtual void visit( BranchStmt * old ) override final {
[4073b16]	1688	if ( inCache( old ) ) return;
[6f8e87d]	1689	if (old->computedTarget) {
	1690	this->node = new ast::BranchStmt(
	1691	old->location,
	1692	GET_ACCEPT_1(computedTarget, Expr),
	1693	GET_LABELS_V(old->labels)
	1694	);
	1695	} else {
	1696	ast::BranchStmt::Kind kind;
	1697	switch (old->type) {
	1698	#define CASE(n) \
	1699	case BranchStmt::n: \
	1700	kind = ast::BranchStmt::n; \
	1701	break
	1702	CASE(Goto);
	1703	CASE(Break);
	1704	CASE(Continue);
	1705	CASE(FallThrough);
	1706	CASE(FallThroughDefault);
	1707	#undef CASE
[d66e7b7]	1708	default:
	1709	assertf(false, "Invalid BranchStmt::Type %d\n", old->type);
[6f8e87d]	1710	}
	1711
	1712	Label label = old->originalTarget;
	1713	auto stmt = new ast::BranchStmt(
	1714	old->location,
	1715	kind,
	1716	make_label(&label),
	1717	GET_LABELS_V(old->labels)
	1718	);
	1719	stmt->target = make_label(&old->target);
	1720	this->node = stmt;
	1721	}
[4073b16]	1722	cache.emplace( old, this->node );
[6d51bd7]	1723	}
	1724
[6f8e87d]	1725	virtual void visit( ReturnStmt * old ) override final {
[4073b16]	1726	if ( inCache( old ) ) return;
[6f8e87d]	1727	this->node = new ast::ReturnStmt(
	1728	old->location,
	1729	GET_ACCEPT_1(expr, Expr),
	1730	GET_LABELS_V(old->labels)
	1731	);
[4073b16]	1732	cache.emplace( old, this->node );
[6d51bd7]	1733	}
	1734
[6f8e87d]	1735	virtual void visit( ThrowStmt * old ) override final {
[4073b16]	1736	if ( inCache( old ) ) return;
[6f8e87d]	1737	ast::ThrowStmt::Kind kind;
	1738	switch (old->kind) {
	1739	case ThrowStmt::Terminate:
	1740	kind = ast::ThrowStmt::Terminate;
	1741	break;
	1742	case ThrowStmt::Resume:
	1743	kind = ast::ThrowStmt::Resume;
	1744	break;
[d66e7b7]	1745	default:
	1746	assertf(false, "Invalid ThrowStmt::Kind %d\n", old->kind);
[6f8e87d]	1747	}
[6d51bd7]	1748
[6f8e87d]	1749	this->node = new ast::ThrowStmt(
	1750	old->location,
	1751	kind,
	1752	GET_ACCEPT_1(expr, Expr),
	1753	GET_ACCEPT_1(target, Expr),
	1754	GET_LABELS_V(old->labels)
	1755	);
[4073b16]	1756	cache.emplace( old, this->node );
[6d51bd7]	1757	}
	1758
[6f8e87d]	1759	virtual void visit( TryStmt * old ) override final {
[4073b16]	1760	if ( inCache( old ) ) return;
[6f8e87d]	1761	this->node = new ast::TryStmt(
	1762	old->location,
	1763	GET_ACCEPT_1(block, CompoundStmt),
	1764	GET_ACCEPT_V(handlers, CatchStmt),
	1765	GET_ACCEPT_1(finallyBlock, FinallyStmt),
	1766	GET_LABELS_V(old->labels)
	1767	);
[4073b16]	1768	cache.emplace( old, this->node );
[6d51bd7]	1769	}
	1770
[6f8e87d]	1771	virtual void visit( CatchStmt * old ) override final {
[4073b16]	1772	if ( inCache( old ) ) return;
[6f8e87d]	1773	ast::CatchStmt::Kind kind;
	1774	switch (old->kind) {
	1775	case CatchStmt::Terminate:
	1776	kind = ast::CatchStmt::Terminate;
	1777	break;
	1778	case CatchStmt::Resume:
	1779	kind = ast::CatchStmt::Resume;
	1780	break;
[d66e7b7]	1781	default:
	1782	assertf(false, "Invalid CatchStmt::Kind %d\n", old->kind);
[6f8e87d]	1783	}
[6d51bd7]	1784
[6f8e87d]	1785	this->node = new ast::CatchStmt(
	1786	old->location,
	1787	kind,
	1788	GET_ACCEPT_1(decl, Decl),
	1789	GET_ACCEPT_1(cond, Expr),
	1790	GET_ACCEPT_1(body, Stmt),
	1791	GET_LABELS_V(old->labels)
	1792	);
[4073b16]	1793	cache.emplace( old, this->node );
[6d51bd7]	1794	}
	1795
[6f8e87d]	1796	virtual void visit( FinallyStmt * old ) override final {
[4073b16]	1797	if ( inCache( old ) ) return;
[6f8e87d]	1798	this->node = new ast::FinallyStmt(
	1799	old->location,
	1800	GET_ACCEPT_1(block, CompoundStmt),
	1801	GET_LABELS_V(old->labels)
	1802	);
[4073b16]	1803	cache.emplace( old, this->node );
[6d51bd7]	1804	}
	1805
[6f8e87d]	1806	virtual void visit( WaitForStmt * old ) override final {
[4073b16]	1807	if ( inCache( old ) ) return;
[6f8e87d]	1808	ast::WaitForStmt * stmt = new ast::WaitForStmt(
	1809	old->location,
	1810	GET_LABELS_V(old->labels)
	1811	);
[6d51bd7]	1812
[6f8e87d]	1813	stmt->clauses.reserve( old->clauses.size() );
	1814	for (size_t i = 0 ; i < old->clauses.size() ; ++i) {
	1815	stmt->clauses.push_back({
	1816	ast::WaitForStmt::Target{
	1817	GET_ACCEPT_1(clauses[i].target.function, Expr),
	1818	GET_ACCEPT_V(clauses[i].target.arguments, Expr)
	1819	},
	1820	GET_ACCEPT_1(clauses[i].statement, Stmt),
	1821	GET_ACCEPT_1(clauses[i].condition, Expr)
	1822	});
	1823	}
	1824	stmt->timeout = {
	1825	GET_ACCEPT_1(timeout.time, Expr),
	1826	GET_ACCEPT_1(timeout.statement, Stmt),
	1827	GET_ACCEPT_1(timeout.condition, Expr),
	1828	};
	1829	stmt->orElse = {
	1830	GET_ACCEPT_1(timeout.statement, Stmt),
	1831	GET_ACCEPT_1(timeout.condition, Expr),
	1832	};
[6d51bd7]	1833
[6f8e87d]	1834	this->node = stmt;
[4073b16]	1835	cache.emplace( old, this->node );
[6f8e87d]	1836	}
[6d51bd7]	1837
[6f8e87d]	1838	virtual void visit( WithStmt * old ) override final {
[4073b16]	1839	if ( inCache( old ) ) return;
[6f8e87d]	1840	this->node = new ast::WithStmt(
	1841	old->location,
	1842	GET_ACCEPT_V(exprs, Expr),
	1843	GET_ACCEPT_1(stmt, Stmt),
	1844	GET_LABELS_V(old->labels)
	1845	);
[4073b16]	1846	cache.emplace( old, this->node );
[6d51bd7]	1847	}
	1848
	1849	virtual void visit( NullStmt * old ) override final {
[4073b16]	1850	if ( inCache( old ) ) return;
[6f8e87d]	1851	this->node = new ast::NullStmt(
[6d51bd7]	1852	old->location,
[6f8e87d]	1853	GET_LABELS_V(old->labels)
[6d51bd7]	1854	);
[4073b16]	1855	cache.emplace( old, this->node );
[6d51bd7]	1856	}
	1857
[6f8e87d]	1858	virtual void visit( DeclStmt * old ) override final {
[4073b16]	1859	if ( inCache( old ) ) return;
[6f8e87d]	1860	this->node = new ast::DeclStmt(
	1861	old->location,
	1862	GET_ACCEPT_1(decl, Decl),
	1863	GET_LABELS_V(old->labels)
	1864	);
[4073b16]	1865	cache.emplace( old, this->node );
[6d51bd7]	1866	}
	1867
[6f8e87d]	1868	virtual void visit( ImplicitCtorDtorStmt * old ) override final {
[4073b16]	1869	if ( inCache( old ) ) return;
[f685679]	1870	auto stmt = new ast::ImplicitCtorDtorStmt(
[6f8e87d]	1871	old->location,
[f685679]	1872	nullptr,
[6f8e87d]	1873	GET_LABELS_V(old->labels)
	1874	);
[f685679]	1875	this->node = stmt;
[4073b16]	1876	cache.emplace( old, this->node );
[f685679]	1877	stmt->callStmt = GET_ACCEPT_1(callStmt, Stmt);
[6d51bd7]	1878	}
	1879
[172d9342]	1880	ast::TypeSubstitution * convertTypeSubstitution(const TypeSubstitution * old) {
	1881
[8abee136]	1882	if (!old) return nullptr;
	1883
[172d9342]	1884	ast::TypeSubstitution *rslt = new ast::TypeSubstitution();
	1885
	1886	for (decltype(old->begin()) old_i = old->begin(); old_i != old->end(); old_i++) {
	1887	rslt->add( old_i->first,
	1888	getAccept1<ast::Type>(old_i->second) );
	1889	}
[6d51bd7]	1890
[172d9342]	1891	for (decltype(old->beginVar()) old_i = old->beginVar(); old_i != old->endVar(); old_i++) {
	1892	rslt->addVar( old_i->first,
	1893	getAccept1<ast::Expr>(old_i->second) );
	1894	}
[19e567dd]	1895
	1896	return rslt;
[6d51bd7]	1897	}
	1898
[e0016a5]	1899	void convertInferUnion(ast::Expr::InferUnion &newInferred,
[19e567dd]	1900	const std::map<UniqueId,ParamEntry> &oldInferParams,
	1901	const std::vector<UniqueId> &oldResnSlots) {
	1902
	1903	assert( oldInferParams.empty() \|\| oldResnSlots.empty() );
	1904	assert( newInferred.mode == ast::Expr::InferUnion::Empty );
	1905
	1906	if ( !oldInferParams.empty() ) {
	1907	ast::InferredParams &tgt = newInferred.inferParams();
	1908	for (auto old : oldInferParams) {
	1909	tgt[old.first] = ast::ParamEntry(
	1910	old.second.decl,
	1911	getAccept1<ast::Type>(old.second.actualType),
	1912	getAccept1<ast::Type>(old.second.formalType),
	1913	getAccept1<ast::Expr>(old.second.expr)
	1914	);
	1915	}
	1916	} else if ( !oldResnSlots.empty() ) {
	1917	ast::ResnSlots &tgt = newInferred.resnSlots();
	1918	for (auto old : oldResnSlots) {
	1919	tgt.push_back(old);
	1920	}
	1921	}
[172d9342]	1922	}
	1923
[20de6fb]	1924	ast::Expr * visitBaseExpr_SkipResultType(Expression * old, ast::Expr * nw) {
[6d51bd7]	1925
[172d9342]	1926	nw->env = convertTypeSubstitution(old->env);
	1927
	1928	nw->extension = old->extension;
	1929	convertInferUnion(nw->inferred, old->inferParams, old->resnSlots);
	1930
	1931	return nw;
	1932	}
[6d51bd7]	1933
[20de6fb]	1934	ast::Expr * visitBaseExpr(Expression * old, ast::Expr * nw) {
[6d51bd7]	1935
[20de6fb]	1936	nw->result = GET_ACCEPT_1(result, Type);
	1937	return visitBaseExpr_SkipResultType(old, nw);;
[172d9342]	1938	}
[6d51bd7]	1939
[19e567dd]	1940	virtual void visit( ApplicationExpr * old ) override final {
[172d9342]	1941	this->node = visitBaseExpr( old,
[19e567dd]	1942	new ast::ApplicationExpr(
[172d9342]	1943	old->location,
[19e567dd]	1944	GET_ACCEPT_1(function, Expr),
	1945	GET_ACCEPT_V(args, Expr)
[172d9342]	1946	)
	1947	);
[6d51bd7]	1948	}
	1949
[19e567dd]	1950	virtual void visit( UntypedExpr * old ) override final {
	1951	this->node = visitBaseExpr( old,
	1952	new ast::UntypedExpr(
	1953	old->location,
	1954	GET_ACCEPT_1(function, Expr),
	1955	GET_ACCEPT_V(args, Expr)
	1956	)
	1957	);
[6d51bd7]	1958	}
	1959
[172d9342]	1960	virtual void visit( NameExpr * old ) override final {
	1961	this->node = visitBaseExpr( old,
	1962	new ast::NameExpr(
	1963	old->location,
	1964	old->get_name()
	1965	)
	1966	);
[6d51bd7]	1967	}
	1968
[19e567dd]	1969	virtual void visit( CastExpr * old ) override final {
	1970	this->node = visitBaseExpr( old,
	1971	new ast::CastExpr(
	1972	old->location,
[28c89f4]	1973	GET_ACCEPT_1(arg, Expr),
[19e567dd]	1974	old->isGenerated ? ast::GeneratedCast : ast::ExplicitCast
	1975	)
	1976	);
[6d51bd7]	1977	}
	1978
[28c89f4]	1979	virtual void visit( KeywordCastExpr * old) override final {
	1980	ast::KeywordCastExpr::Target castTarget = ast::KeywordCastExpr::NUMBER_OF_TARGETS;
	1981	switch (old->target) {
	1982	case KeywordCastExpr::Coroutine:
	1983	castTarget = ast::KeywordCastExpr::Coroutine;
	1984	break;
	1985	case KeywordCastExpr::Thread:
	1986	castTarget = ast::KeywordCastExpr::Thread;
	1987	break;
	1988	case KeywordCastExpr::Monitor:
	1989	castTarget = ast::KeywordCastExpr::Monitor;
	1990	break;
	1991	default:
	1992	break;
	1993	}
	1994	assert ( castTarget < ast::KeywordCastExpr::NUMBER_OF_TARGETS );
	1995	this->node = visitBaseExpr( old,
	1996	new ast::KeywordCastExpr(
	1997	old->location,
	1998	GET_ACCEPT_1(arg, Expr),
	1999	castTarget
	2000	)
	2001	);
[6d51bd7]	2002	}
	2003
[28c89f4]	2004	virtual void visit( VirtualCastExpr * old ) override final {
[20de6fb]	2005	this->node = visitBaseExpr_SkipResultType( old,
[28c89f4]	2006	new ast::VirtualCastExpr(
	2007	old->location,
	2008	GET_ACCEPT_1(arg, Expr),
[20de6fb]	2009	GET_ACCEPT_1(result, Type)
[28c89f4]	2010	)
	2011	);
[6d51bd7]	2012	}
	2013
[28c89f4]	2014	virtual void visit( AddressExpr * old ) override final {
	2015	this->node = visitBaseExpr( old,
	2016	new ast::AddressExpr(
	2017	old->location,
	2018	GET_ACCEPT_1(arg, Expr)
	2019	)
	2020	);
[6d51bd7]	2021	}
	2022
[28c89f4]	2023	virtual void visit( LabelAddressExpr * old ) override final {
	2024	this->node = visitBaseExpr( old,
	2025	new ast::LabelAddressExpr(
	2026	old->location,
	2027	make_label(&old->arg)
	2028	)
	2029	);
[6d51bd7]	2030	}
	2031
[28c89f4]	2032	virtual void visit( UntypedMemberExpr * old ) override final {
	2033	this->node = visitBaseExpr( old,
	2034	new ast::UntypedMemberExpr(
	2035	old->location,
	2036	GET_ACCEPT_1(member, Expr),
	2037	GET_ACCEPT_1(aggregate, Expr)
	2038	)
	2039	);
[6d51bd7]	2040	}
	2041
[28c89f4]	2042	virtual void visit( MemberExpr * old ) override final {
	2043	this->node = visitBaseExpr( old,
	2044	new ast::MemberExpr(
	2045	old->location,
	2046	inCache(old->member) ?
	2047	dynamic_cast<ast::DeclWithType *>(this->node) :
	2048	GET_ACCEPT_1(member, DeclWithType),
	2049	GET_ACCEPT_1(aggregate, Expr)
	2050	)
	2051	);
[6d51bd7]	2052	}
	2053
[28c89f4]	2054	virtual void visit( VariableExpr * old ) override final {
	2055	this->node = visitBaseExpr( old,
	2056	new ast::VariableExpr(
	2057	old->location,
	2058	inCache(old->var) ?
	2059	dynamic_cast<ast::DeclWithType *>(this->node) :
	2060	GET_ACCEPT_1(var, DeclWithType)
	2061	)
	2062	);
[6d51bd7]	2063	}
	2064
[28c89f4]	2065	bool isIntlikeConstantType(const Type *t) {
	2066	if ( const BasicType * basicType = dynamic_cast< const BasicType * >( t ) ) {
	2067	if ( basicType->isInteger() ) {
	2068	return true;
	2069	}
	2070	} else if ( dynamic_cast< const OneType * >( t ) ) {
	2071	return true;
	2072	} else if ( dynamic_cast< const ZeroType * >( t ) ) {
	2073	return true;
	2074	} else if ( dynamic_cast< const PointerType * >( t ) ) {
	2075	// null pointer constants, with zero int-values
	2076	return true;
	2077	}
	2078	return false;
[6d51bd7]	2079	}
	2080
[28c89f4]	2081	int isFloatlikeConstantType(const Type *t) {
	2082	if ( const BasicType * bty = dynamic_cast< const BasicType * >( t ) ) {
	2083	if ( ! bty->isInteger() ) {
	2084	return true;
	2085	}
	2086	}
	2087	return false;
[6d51bd7]	2088	}
	2089
[28c89f4]	2090	int isStringlikeConstantType(const Type *t) {
	2091	if ( const ArrayType * aty = dynamic_cast< const ArrayType * >( t ) ) {
	2092	if ( const BasicType * bty = dynamic_cast< const BasicType * >( aty->base ) ) {
	2093	if ( bty->kind == BasicType::Kind::Char ) {
	2094	return true;
	2095	}
	2096	}
	2097	}
	2098	return false;
[6d51bd7]	2099	}
	2100
[28c89f4]	2101	virtual void visit( ConstantExpr * old ) override final {
	2102	ast::ConstantExpr *rslt = nullptr;
	2103	if (isIntlikeConstantType(old->result)) {
	2104	rslt = new ast::ConstantExpr(
	2105	old->location,
	2106	GET_ACCEPT_1(result, Type),
	2107	old->constant.get_value(),
	2108	(unsigned long long) old->intValue()
	2109	);
	2110	} else if (isFloatlikeConstantType(old->result)) {
	2111	rslt = new ast::ConstantExpr(
	2112	old->location,
[0b57626]	2113	GET_ACCEPT_1(result, Type),
	2114	old->constant.get_value(),
[28c89f4]	2115	(double) old->constant.get_dval()
	2116	);
	2117	} else if (isStringlikeConstantType(old->result)) {
	2118	rslt = ast::ConstantExpr::from_string(
	2119	old->location,
	2120	old->constant.get_value()
	2121	);
	2122	}
	2123	assert(rslt);
	2124	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2125	}
	2126
[28c89f4]	2127	virtual void visit( SizeofExpr * old ) override final {
	2128	assert (old->expr \|\| old->type);
	2129	assert (! (old->expr && old->type));
	2130	ast::SizeofExpr *rslt;
	2131	if (old->expr) {
	2132	assert(!old->isType);
	2133	rslt = new ast::SizeofExpr(
[0b57626]	2134	old->location,
[28c89f4]	2135	GET_ACCEPT_1(expr, Expr)
	2136	);
	2137	}
	2138	if (old->type) {
	2139	assert(old->isType);
	2140	rslt = new ast::SizeofExpr(
[0b57626]	2141	old->location,
[28c89f4]	2142	GET_ACCEPT_1(type, Type)
	2143	);
	2144	}
	2145	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2146	}
	2147
[28c89f4]	2148	virtual void visit( AlignofExpr * old ) override final {
	2149	assert (old->expr \|\| old->type);
	2150	assert (! (old->expr && old->type));
	2151	ast::AlignofExpr *rslt;
	2152	if (old->expr) {
	2153	assert(!old->isType);
	2154	rslt = new ast::AlignofExpr(
[0b57626]	2155	old->location,
[28c89f4]	2156	GET_ACCEPT_1(expr, Expr)
	2157	);
	2158	}
	2159	if (old->type) {
	2160	assert(old->isType);
	2161	rslt = new ast::AlignofExpr(
[0b57626]	2162	old->location,
[28c89f4]	2163	GET_ACCEPT_1(type, Type)
	2164	);
	2165	}
	2166	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2167	}
	2168
[28c89f4]	2169	virtual void visit( UntypedOffsetofExpr * old ) override final {
	2170	this->node = visitBaseExpr( old,
	2171	new ast::UntypedOffsetofExpr(
	2172	old->location,
	2173	GET_ACCEPT_1(type, Type),
	2174	old->member
	2175	)
	2176	);
[6d51bd7]	2177	}
	2178
[28c89f4]	2179	virtual void visit( OffsetofExpr * old ) override final {
	2180	this->node = visitBaseExpr( old,
	2181	new ast::OffsetofExpr(
	2182	old->location,
	2183	GET_ACCEPT_1(type, Type),
	2184	inCache(old->member) ?
	2185	dynamic_cast<ast::DeclWithType *>(this->node) :
	2186	GET_ACCEPT_1(member, DeclWithType)
	2187	)
	2188	);
[6d51bd7]	2189	}
	2190
[28c89f4]	2191	virtual void visit( OffsetPackExpr * old ) override final {
	2192	this->node = visitBaseExpr( old,
	2193	new ast::OffsetPackExpr(
	2194	old->location,
	2195	GET_ACCEPT_1(type, StructInstType)
	2196	)
	2197	);
[6d51bd7]	2198	}
	2199
[28c89f4]	2200	virtual void visit( LogicalExpr * old ) override final {
	2201	this->node = visitBaseExpr( old,
	2202	new ast::LogicalExpr(
	2203	old->location,
	2204	GET_ACCEPT_1(arg1, Expr),
	2205	GET_ACCEPT_1(arg2, Expr),
[0b57626]	2206	old->get_isAnd() ?
[28c89f4]	2207	ast::LogicalFlag::AndExpr :
	2208	ast::LogicalFlag::OrExpr
	2209	)
	2210	);
[6d51bd7]	2211	}
	2212
[28c89f4]	2213	virtual void visit( ConditionalExpr * old ) override final {
	2214	this->node = visitBaseExpr( old,
	2215	new ast::ConditionalExpr(
	2216	old->location,
	2217	GET_ACCEPT_1(arg1, Expr),
	2218	GET_ACCEPT_1(arg2, Expr),
	2219	GET_ACCEPT_1(arg3, Expr)
	2220	)
	2221	);
[6d51bd7]	2222	}
	2223
[28c89f4]	2224	virtual void visit( CommaExpr * old ) override final {
	2225	this->node = visitBaseExpr( old,
	2226	new ast::CommaExpr(
	2227	old->location,
	2228	GET_ACCEPT_1(arg1, Expr),
	2229	GET_ACCEPT_1(arg2, Expr)
	2230	)
	2231	);
[6d51bd7]	2232	}
	2233
[20de6fb]	2234	virtual void visit( TypeExpr * old ) override final {
	2235	this->node = visitBaseExpr( old,
	2236	new ast::TypeExpr(
	2237	old->location,
	2238	GET_ACCEPT_1(type, Type)
	2239	)
	2240	);
[6d51bd7]	2241	}
	2242
[20de6fb]	2243	virtual void visit( AsmExpr * old ) override final {
	2244	this->node = visitBaseExpr( old,
	2245	new ast::AsmExpr(
	2246	old->location,
	2247	GET_ACCEPT_1(inout, Expr),
	2248	GET_ACCEPT_1(constraint, Expr),
	2249	GET_ACCEPT_1(operand, Expr)
	2250	)
	2251	);
[6d51bd7]	2252	}
	2253
[20de6fb]	2254	virtual void visit( ImplicitCopyCtorExpr * old ) override final {
	2255	auto rslt = new ast::ImplicitCopyCtorExpr(
	2256	old->location,
	2257	GET_ACCEPT_1(callExpr, ApplicationExpr)
	2258	);
[6d51bd7]	2259
[20de6fb]	2260	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2261	}
	2262
[20de6fb]	2263	virtual void visit( ConstructorExpr * old ) override final {
	2264	this->node = visitBaseExpr( old,
	2265	new ast::ConstructorExpr(
	2266	old->location,
	2267	GET_ACCEPT_1(callExpr, Expr)
	2268	)
	2269	);
[6d51bd7]	2270	}
	2271
[20de6fb]	2272	virtual void visit( CompoundLiteralExpr * old ) override final {
	2273	this->node = visitBaseExpr_SkipResultType( old,
	2274	new ast::CompoundLiteralExpr(
	2275	old->location,
	2276	GET_ACCEPT_1(result, Type),
	2277	GET_ACCEPT_1(initializer, Init)
	2278	)
	2279	);
[6d51bd7]	2280	}
	2281
[20de6fb]	2282	virtual void visit( RangeExpr * old ) override final {
	2283	this->node = visitBaseExpr( old,
	2284	new ast::RangeExpr(
	2285	old->location,
	2286	GET_ACCEPT_1(low, Expr),
	2287	GET_ACCEPT_1(high, Expr)
	2288	)
	2289	);
[6d51bd7]	2290	}
	2291
[20de6fb]	2292	virtual void visit( UntypedTupleExpr * old ) override final {
	2293	this->node = visitBaseExpr( old,
	2294	new ast::UntypedTupleExpr(
	2295	old->location,
	2296	GET_ACCEPT_V(exprs, Expr)
	2297	)
	2298	);
[6d51bd7]	2299	}
	2300
[20de6fb]	2301	virtual void visit( TupleExpr * old ) override final {
	2302	this->node = visitBaseExpr( old,
	2303	new ast::TupleExpr(
	2304	old->location,
	2305	GET_ACCEPT_V(exprs, Expr)
	2306	)
	2307	);
[6d51bd7]	2308	}
	2309
[20de6fb]	2310	virtual void visit( TupleIndexExpr * old ) override final {
	2311	this->node = visitBaseExpr( old,
	2312	new ast::TupleIndexExpr(
	2313	old->location,
	2314	GET_ACCEPT_1(tuple, Expr),
	2315	old->index
	2316	)
	2317	);
[6d51bd7]	2318	}
	2319
[20de6fb]	2320	virtual void visit( TupleAssignExpr * old ) override final {
	2321	this->node = visitBaseExpr_SkipResultType( old,
	2322	new ast::TupleAssignExpr(
	2323	old->location,
	2324	GET_ACCEPT_1(result, Type),
	2325	GET_ACCEPT_1(stmtExpr, StmtExpr)
	2326	)
	2327	);
[6d51bd7]	2328	}
	2329
[20de6fb]	2330	virtual void visit( StmtExpr * old ) override final {
	2331	auto rslt = new ast::StmtExpr(
	2332	old->location,
	2333	GET_ACCEPT_1(statements, CompoundStmt)
	2334	);
	2335	rslt->returnDecls = GET_ACCEPT_V(returnDecls, ObjectDecl);
	2336	rslt->dtors = GET_ACCEPT_V(dtors , Expr);
[6d51bd7]	2337
[20de6fb]	2338	this->node = visitBaseExpr_SkipResultType( old, rslt );
[6d51bd7]	2339	}
	2340
[20de6fb]	2341	virtual void visit( UniqueExpr * old ) override final {
	2342	auto rslt = new ast::UniqueExpr(
	2343	old->location,
	2344	GET_ACCEPT_1(expr, Expr)
	2345	);
	2346	rslt->object = GET_ACCEPT_1(object, ObjectDecl);
	2347	rslt->var = GET_ACCEPT_1(var , VariableExpr);
[6d51bd7]	2348
[20de6fb]	2349	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2350	}
	2351
[20de6fb]	2352	virtual void visit( UntypedInitExpr * old ) override final {
	2353	std::vector<ast::InitAlternative> initAlts;
	2354	for (auto ia : old->initAlts) {
	2355	initAlts.push_back(ast::InitAlternative(
	2356	getAccept1< ast::Type, Type * >( ia.type ),
	2357	getAccept1< ast::Designation, Designation * >( ia.designation )
	2358	));
	2359	}
	2360	this->node = visitBaseExpr( old,
	2361	new ast::UntypedInitExpr(
	2362	old->location,
	2363	GET_ACCEPT_1(expr, Expr),
	2364	std::move(initAlts)
	2365	)
	2366	);
[6d51bd7]	2367	}
	2368
[20de6fb]	2369	virtual void visit( InitExpr * old ) override final {
	2370	this->node = visitBaseExpr( old,
	2371	new ast::InitExpr(
	2372	old->location,
	2373	GET_ACCEPT_1(expr, Expr),
	2374	GET_ACCEPT_1(designation, Designation)
	2375	)
	2376	);
[6d51bd7]	2377	}
	2378
[20de6fb]	2379	virtual void visit( DeletedExpr * old ) override final {
	2380	this->node = visitBaseExpr( old,
	2381	new ast::DeletedExpr(
	2382	old->location,
	2383	GET_ACCEPT_1(expr, Expr),
	2384	inCache(old->deleteStmt) ?
	2385	this->node :
	2386	GET_ACCEPT_1(deleteStmt, Node)
	2387	)
	2388	);
[6d51bd7]	2389	}
	2390
[20de6fb]	2391	virtual void visit( DefaultArgExpr * old ) override final {
	2392	this->node = visitBaseExpr( old,
	2393	new ast::DefaultArgExpr(
	2394	old->location,
	2395	GET_ACCEPT_1(expr, Expr)
	2396	)
	2397	);
[6d51bd7]	2398	}
	2399
[20de6fb]	2400	virtual void visit( GenericExpr * old ) override final {
	2401	std::vector<ast::GenericExpr::Association> associations;
	2402	for (auto association : old->associations) {
	2403	associations.push_back(ast::GenericExpr::Association(
	2404	getAccept1< ast::Type, Type * >( association.type ),
	2405	getAccept1< ast::Expr, Expression * >( association.expr )
	2406	));
	2407	}
	2408	this->node = visitBaseExpr( old,
	2409	new ast::GenericExpr(
	2410	old->location,
	2411	GET_ACCEPT_1(control, Expr),
	2412	std::move(associations)
	2413	)
	2414	);
[6d51bd7]	2415	}
	2416
[d148778]	2417	virtual void visit( VoidType * old ) override final {
	2418	this->node = new ast::VoidType{ cv( old ) };
[6d51bd7]	2419	}
	2420
[d148778]	2421	virtual void visit( BasicType * old ) override final {
	2422	this->node = new ast::BasicType{ (ast::BasicType::Kind)(unsigned)old->kind, cv( old ) };
[6d51bd7]	2423	}
	2424
[d148778]	2425	virtual void visit( PointerType * old ) override final {
	2426	this->node = new ast::PointerType{
	2427	GET_ACCEPT_1( base, Type ),
	2428	GET_ACCEPT_1( dimension, Expr ),
	2429	(ast::LengthFlag)old->isVarLen,
	2430	(ast::DimensionFlag)old->isStatic,
	2431	cv( old )
	2432	};
[6d51bd7]	2433	}
	2434
[d148778]	2435	virtual void visit( ArrayType * old ) override final {
	2436	this->node = new ast::ArrayType{
	2437	GET_ACCEPT_1( base, Type ),
	2438	GET_ACCEPT_1( dimension, Expr ),
	2439	(ast::LengthFlag)old->isVarLen,
	2440	(ast::DimensionFlag)old->isStatic,
	2441	cv( old )
	2442	};
[6d51bd7]	2443	}
	2444
[d148778]	2445	virtual void visit( ReferenceType * old ) override final {
	2446	this->node = new ast::ReferenceType{
	2447	GET_ACCEPT_1( base, Type ),
	2448	cv( old )
	2449	};
[6d51bd7]	2450	}
	2451
[d148778]	2452	virtual void visit( QualifiedType * old ) override final {
	2453	this->node = new ast::QualifiedType{
	2454	GET_ACCEPT_1( parent, Type ),
	2455	GET_ACCEPT_1( child, Type ),
	2456	cv( old )
	2457	};
[6d51bd7]	2458	}
	2459
[d148778]	2460	virtual void visit( FunctionType * old ) override final {
	2461	auto ty = new ast::FunctionType {
	2462	(ast::ArgumentFlag)old->isVarArgs,
	2463	cv( old )
	2464	};
	2465	ty->returns = GET_ACCEPT_V( returnVals, DeclWithType );
	2466	ty->params = GET_ACCEPT_V( parameters, DeclWithType );
	2467	ty->forall = GET_ACCEPT_V( forall, TypeDecl );
	2468	this->node = ty;
[6d51bd7]	2469	}
	2470
[d148778]	2471	void postvisit( ReferenceToType * old, ast::ReferenceToType * ty ) {
	2472	ty->forall = GET_ACCEPT_V( forall, TypeDecl );
	2473	ty->params = GET_ACCEPT_V( parameters, Expr );
	2474	ty->hoistType = old->hoistType;
[6d51bd7]	2475	}
	2476
[d148778]	2477	virtual void visit( StructInstType * old ) override final {
[b869ec5]	2478	ast::StructInstType * ty;
	2479	if ( old->baseStruct ) {
	2480	ty = new ast::StructInstType{
	2481	GET_ACCEPT_1( baseStruct, StructDecl ),
	2482	cv( old ),
	2483	GET_ACCEPT_V( attributes, Attribute )
	2484	};
	2485	} else {
	2486	ty = new ast::StructInstType{
	2487	old->name,
	2488	cv( old ),
	2489	GET_ACCEPT_V( attributes, Attribute )
	2490	};
	2491	}
[d148778]	2492	postvisit( old, ty );
	2493	this->node = ty;
[6d51bd7]	2494	}
	2495
[d148778]	2496	virtual void visit( UnionInstType * old ) override final {
[b869ec5]	2497	ast::UnionInstType * ty;
	2498	if ( old->baseUnion ) {
	2499	ty = new ast::UnionInstType{
	2500	GET_ACCEPT_1( baseUnion, UnionDecl ),
	2501	cv( old ),
	2502	GET_ACCEPT_V( attributes, Attribute )
	2503	};
	2504	} else {
	2505	ty = new ast::UnionInstType{
	2506	old->name,
	2507	cv( old ),
	2508	GET_ACCEPT_V( attributes, Attribute )
	2509	};
	2510	}
[d148778]	2511	postvisit( old, ty );
	2512	this->node = ty;
[6d51bd7]	2513	}
	2514
[d148778]	2515	virtual void visit( EnumInstType * old ) override final {
[b869ec5]	2516	ast::EnumInstType * ty;
	2517	if ( old->baseEnum ) {
	2518	ty = new ast::EnumInstType{
	2519	GET_ACCEPT_1( baseEnum, EnumDecl ),
	2520	cv( old ),
	2521	GET_ACCEPT_V( attributes, Attribute )
	2522	};
	2523	} else {
	2524	ty = new ast::EnumInstType{
	2525	old->name,
	2526	cv( old ),
	2527	GET_ACCEPT_V( attributes, Attribute )
	2528	};
	2529	}
[d148778]	2530	postvisit( old, ty );
	2531	this->node = ty;
[6d51bd7]	2532	}
	2533
[d148778]	2534	virtual void visit( TraitInstType * old ) override final {
[b869ec5]	2535	ast::TraitInstType * ty;
	2536	if ( old->baseTrait ) {
	2537	ty = new ast::TraitInstType{
	2538	GET_ACCEPT_1( baseTrait, TraitDecl ),
	2539	cv( old ),
	2540	GET_ACCEPT_V( attributes, Attribute )
	2541	};
	2542	} else {
	2543	ty = new ast::TraitInstType{
	2544	old->name,
	2545	cv( old ),
	2546	GET_ACCEPT_V( attributes, Attribute )
	2547	};
	2548	}
[d148778]	2549	postvisit( old, ty );
	2550	this->node = ty;
	2551	}
[6d51bd7]	2552
[d148778]	2553	virtual void visit( TypeInstType * old ) override final {
[514a791]	2554	ast::TypeInstType * ty;
	2555	if ( old->baseType ) {
	2556	ty = new ast::TypeInstType{
	2557	old->name,
[b869ec5]	2558	GET_ACCEPT_1( baseType, TypeDecl ),
[514a791]	2559	cv( old ),
	2560	GET_ACCEPT_V( attributes, Attribute )
	2561	};
	2562	} else {
	2563	ty = new ast::TypeInstType{
	2564	old->name,
	2565	old->isFtype ? ast::TypeVar::Ftype : ast::TypeVar::Dtype,
	2566	cv( old ),
	2567	GET_ACCEPT_V( attributes, Attribute )
	2568	};
	2569	}
[d148778]	2570	postvisit( old, ty );
	2571	this->node = ty;
[6d51bd7]	2572	}
	2573
[746ae82]	2574	virtual void visit( TupleType * old ) override final {
	2575	this->node = new ast::TupleType{
	2576	GET_ACCEPT_V( types, Type ),
	2577	// members generated by TupleType c'tor
	2578	cv( old )
	2579	};
[6d51bd7]	2580	}
	2581
[746ae82]	2582	virtual void visit( TypeofType * old ) override final {
	2583	this->node = new ast::TypeofType{
	2584	GET_ACCEPT_1( expr, Expr ),
	2585	(ast::TypeofType::Kind)old->is_basetypeof,
	2586	cv( old )
	2587	};
[6d51bd7]	2588	}
	2589
	2590	virtual void visit( AttrType * ) override final {
[746ae82]	2591	assertf( false, "AttrType deprecated in new AST." );
[6d51bd7]	2592	}
	2593
[746ae82]	2594	virtual void visit( VarArgsType * old ) override final {
	2595	this->node = new ast::VarArgsType{ cv( old ) };
[6d51bd7]	2596	}
	2597
[746ae82]	2598	virtual void visit( ZeroType * old ) override final {
	2599	this->node = new ast::ZeroType{ cv( old ) };
[6d51bd7]	2600	}
	2601
[746ae82]	2602	virtual void visit( OneType * old ) override final {
	2603	this->node = new ast::OneType{ cv( old ) };
[6d51bd7]	2604	}
	2605
	2606	virtual void visit( GlobalScopeType * ) override final {
[746ae82]	2607	this->node = new ast::GlobalScopeType{};
[6d51bd7]	2608	}
	2609
[74ad8c0]	2610	virtual void visit( Designation * old ) override final {
	2611	this->node = new ast::Designation(
	2612	old->location,
	2613	GET_ACCEPT_V(designators, Expr)
	2614	);
[6d51bd7]	2615	}
	2616
[74ad8c0]	2617	virtual void visit( SingleInit * old ) override final {
	2618	this->node = new ast::SingleInit(
	2619	old->location,
	2620	GET_ACCEPT_1(value, Expr),
	2621	(old->get_maybeConstructed()) ? ast::MaybeConstruct : ast::DoConstruct
	2622	);
[6d51bd7]	2623	}
	2624
[74ad8c0]	2625	virtual void visit( ListInit * old ) override final {
	2626	this->node = new ast::ListInit(
	2627	old->location,
	2628	GET_ACCEPT_V(initializers, Init),
	2629	GET_ACCEPT_V(designations, Designation),
	2630	(old->get_maybeConstructed()) ? ast::MaybeConstruct : ast::DoConstruct
	2631	);
[6d51bd7]	2632	}
	2633
[74ad8c0]	2634	virtual void visit( ConstructorInit * old ) override final {
	2635	this->node = new ast::ConstructorInit(
	2636	old->location,
	2637	GET_ACCEPT_1(ctor, Stmt),
	2638	GET_ACCEPT_1(dtor, Stmt),
	2639	GET_ACCEPT_1(init, Init)
	2640	);
[6d51bd7]	2641	}
	2642
	2643	virtual void visit( Constant * ) override final {
[dd6d7c6]	2644	// Handled in visit( ConstantEpxr * ).
	2645	// In the new tree, Constant fields are inlined into containing ConstantExpression.
	2646	assert( 0 );
[6d51bd7]	2647	}
	2648
[dd6d7c6]	2649	virtual void visit( Attribute * old ) override final {
	2650	this->node = new ast::Attribute(
	2651	old->name,
	2652	GET_ACCEPT_V( parameters, Expr )
	2653	);
[6d51bd7]	2654	}
[b336af9]	2655
	2656	virtual void visit( AttrExpr * ) override final {
[dd6d7c6]	2657	assertf( false, "AttrExpr deprecated in new AST." );
[b336af9]	2658	}
[6d51bd7]	2659	};
	2660
[6f8e87d]	2661	#undef GET_LABELS_V
	2662	#undef GET_ACCEPT_V
	2663	#undef GET_ACCEPT_1
	2664
[74dbbf6]	2665	std::list< ast::ptr< ast::Decl > > convert( const std::list< Declaration * > && translationUnit ) {
[6d51bd7]	2666	ConverterOldToNew c;
	2667	std::list< ast::ptr< ast::Decl > > decls;
	2668	for(auto d : translationUnit) {
	2669	d->accept( c );
	2670	decls.emplace_back( c.decl() );
	2671	}
[8abee136]	2672	deleteAll(translationUnit);
[6d51bd7]	2673	return decls;
[6f8e87d]	2674	}

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