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source: src/AST/Convert.cpp@ 94b1f718

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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

Last change on this file since 94b1f718 was 20a5977, checked in by Aaron Moss <a3moss@…>, 6 years ago
Added kind to ConstantExpr and some Expr prints
Property mode set to `100644`
File size: 69.7 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
[112fe04]	12	// Last Modified On : Tue May 21 15:30:00 2019
	13	// Update Count : 5
[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 ) {
	123	declPostamble( decl, node );
	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
[b869ec5]	130	cache.emplace( node, decl );
[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	// NamedTypeDecl
	165	const ast::Decl * namedTypePostamble( NamedTypeDecl * decl, const ast::NamedTypeDecl * node ) {
	166	declPostamble( decl, node );
	167	// base comes from constructor
	168	decl->parameters = get<TypeDecl>().acceptL( node->params );
	169	decl->assertions = get<DeclarationWithType>().acceptL( node->assertions );
[74dbbf6]	170	return nullptr;
	171	}
	172
[112fe04]	173	const ast::Decl * visit( const ast::TypeDecl * node ) override final {
[b869ec5]	174	if ( inCache( node ) ) return nullptr;
[112fe04]	175	auto decl = new TypeDecl(
	176	node->name,
	177	Type::StorageClasses( node->storage.val ),
	178	get<Type>().accept1( node->base ),
[b869ec5]	179	(TypeDecl::Kind)(unsigned)node->kind,
[112fe04]	180	node->sized,
	181	get<Type>().accept1( node->init )
	182	);
[b869ec5]	183	cache.emplace( node, decl );
[112fe04]	184	return namedTypePostamble( decl, node );
[74dbbf6]	185	}
	186
[112fe04]	187	const ast::Decl * visit( const ast::TypedefDecl * node ) override final {
	188	auto decl = new TypedefDecl(
	189	node->name,
	190	node->location,
	191	Type::StorageClasses( node->storage.val ),
	192	get<Type>().accept1( node->base ),
	193	LinkageSpec::Spec( node->linkage.val )
	194	);
	195	return namedTypePostamble( decl, node );
[74dbbf6]	196	}
	197
[112fe04]	198	const ast::Decl * aggregatePostamble( AggregateDecl * decl, const ast::AggregateDecl * node ) {
	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 );
	204	cache.emplace( node, decl );
[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 ) {
[675d816]	265	stmt->location = node->location;
	266	stmt->labels = makeLabelL( stmt, node->labels );
[4073b16]	267	cache.emplace( node, stmt );
[675d816]	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 );
	276	return nullptr;
	277	}
	278
[74dbbf6]	279	const ast::Stmt * visit( const ast::ExprStmt * node ) override final {
[4073b16]	280	if ( inCache( node ) ) return nullptr;
[675d816]	281	auto stmt = new ExprStmt( get<Expression>().accept1( node->expr ) );
[112fe04]	282	return stmtPostamble( stmt, node );
[74dbbf6]	283	}
	284
	285	const ast::Stmt * visit( const ast::AsmStmt * node ) override final {
[4073b16]	286	if ( inCache( node ) ) return nullptr;
[675d816]	287	auto stmt = new AsmStmt(
	288	node->isVolatile,
	289	get<Expression>().accept1( node->instruction ),
	290	get<Expression>().acceptL( node->output ),
	291	get<Expression>().acceptL( node->input ),
	292	get<ConstantExpr>().acceptL( node->clobber ),
	293	makeLabelL( nullptr, node->gotoLabels ) // What are these labelling?
	294	);
[112fe04]	295	return stmtPostamble( stmt, node );
[74dbbf6]	296	}
	297
	298	const ast::Stmt * visit( const ast::DirectiveStmt * node ) override final {
[4073b16]	299	if ( inCache( node ) ) return nullptr;
[675d816]	300	auto stmt = new DirectiveStmt( node->directive );
[112fe04]	301	return stmtPostamble( stmt, node );
[74dbbf6]	302	}
	303
	304	const ast::Stmt * visit( const ast::IfStmt * node ) override final {
[4073b16]	305	if ( inCache( node ) ) return nullptr;
[675d816]	306	auto stmt = new IfStmt(
	307	get<Expression>().accept1( node->cond ),
	308	get<Statement>().accept1( node->thenPart ),
	309	get<Statement>().accept1( node->elsePart ),
	310	get<Statement>().acceptL( node->inits )
	311	);
[112fe04]	312	return stmtPostamble( stmt, node );
[74dbbf6]	313	}
	314
[675d816]	315	const ast::Stmt * visit( const ast::SwitchStmt * node ) override final {
[4073b16]	316	if ( inCache( node ) ) return nullptr;
[675d816]	317	auto stmt = new SwitchStmt(
	318	get<Expression>().accept1( node->cond ),
	319	get<Statement>().acceptL( node->stmts )
	320	);
[112fe04]	321	return stmtPostamble( stmt, node );
[74dbbf6]	322	}
	323
[675d816]	324	const ast::Stmt * visit( const ast::CaseStmt * node ) override final {
[4073b16]	325	if ( inCache( node ) ) return nullptr;
[675d816]	326	auto stmt = new CaseStmt(
	327	get<Expression>().accept1( node->cond ),
	328	get<Statement>().acceptL( node->stmts ),
	329	node->isDefault()
	330	);
[112fe04]	331	return stmtPostamble( stmt, node );
[74dbbf6]	332	}
	333
[675d816]	334	const ast::Stmt * visit( const ast::WhileStmt * node ) override final {
[4073b16]	335	if ( inCache( node ) ) return nullptr;
[675d816]	336	auto inits = get<Statement>().acceptL( node->inits );
	337	auto stmt = new WhileStmt(
	338	get<Expression>().accept1( node->cond ),
	339	get<Statement>().accept1( node->body ),
	340	inits,
	341	node->isDoWhile
	342	);
[112fe04]	343	return stmtPostamble( stmt, node );
[74dbbf6]	344	}
	345
[675d816]	346	const ast::Stmt * visit( const ast::ForStmt * node ) override final {
[4073b16]	347	if ( inCache( node ) ) return nullptr;
[675d816]	348	auto stmt = new ForStmt(
	349	get<Statement>().acceptL( node->inits ),
	350	get<Expression>().accept1( node->cond ),
	351	get<Expression>().accept1( node->inc ),
	352	get<Statement>().accept1( node->body )
	353	);
[112fe04]	354	return stmtPostamble( stmt, node );
[74dbbf6]	355	}
	356
	357	const ast::Stmt * visit( const ast::BranchStmt * node ) override final {
[4073b16]	358	if ( inCache( node ) ) return nullptr;
[675d816]	359	BranchStmt * stmt;
	360	if (node->computedTarget) {
	361	stmt = new BranchStmt( get<Expression>().accept1( node->computedTarget ),
	362	BranchStmt::Goto );
	363	} else {
	364	BranchStmt::Type type;
	365	switch (node->kind) {
	366	#define CASE(n) \
	367	case ast::BranchStmt::n: \
	368	type = BranchStmt::n; \
	369	break
	370	CASE(Goto);
	371	CASE(Break);
	372	CASE(Continue);
	373	CASE(FallThrough);
	374	CASE(FallThroughDefault);
	375	#undef CASE
	376	default:
	377	assertf(false, "Invalid ast::BranchStmt::Kind: %d\n", node->kind);
	378	}
	379
	380	// The labels here are also weird.
	381	stmt = new BranchStmt( makeLabel( nullptr, node->originalTarget ), type );
	382	stmt->target = makeLabel( stmt, node->target );
	383	}
[112fe04]	384	return stmtPostamble( stmt, node );
[74dbbf6]	385	}
	386
	387	const ast::Stmt * visit( const ast::ReturnStmt * node ) override final {
[4073b16]	388	if ( inCache( node ) ) return nullptr;
[675d816]	389	auto stmt = new ReturnStmt( get<Expression>().accept1( node->expr ) );
[112fe04]	390	return stmtPostamble( stmt, node );
[74dbbf6]	391	}
	392
	393	const ast::Stmt * visit( const ast::ThrowStmt * node ) override final {
[4073b16]	394	if ( inCache( node ) ) return nullptr;
[675d816]	395	ThrowStmt::Kind kind;
	396	switch (node->kind) {
	397	case ast::ThrowStmt::Terminate:
	398	kind = ThrowStmt::Terminate;
	399	break;
	400	case ast::ThrowStmt::Resume:
	401	kind = ThrowStmt::Resume;
	402	break;
	403	default:
	404	assertf(false, "Invalid ast::ThrowStmt::Kind: %d\n", node->kind);
	405	}
	406	auto stmt = new ThrowStmt(
	407	kind,
	408	get<Expression>().accept1( node->expr ),
	409	get<Expression>().accept1( node->target )
	410	);
[112fe04]	411	return stmtPostamble( stmt, node );
[74dbbf6]	412	}
	413
	414	const ast::Stmt * visit( const ast::TryStmt * node ) override final {
[4073b16]	415	if ( inCache( node ) ) return nullptr;
[675d816]	416	auto handlers = get<CatchStmt>().acceptL( node->handlers );
	417	auto stmt = new TryStmt(
	418	get<CompoundStmt>().accept1( node->body ),
	419	handlers,
	420	get<FinallyStmt>().accept1( node->finally )
	421	);
[112fe04]	422	return stmtPostamble( stmt, node );
[74dbbf6]	423	}
	424
	425	const ast::Stmt * visit( const ast::CatchStmt * node ) override final {
[4073b16]	426	if ( inCache( node ) ) return nullptr;
[675d816]	427	CatchStmt::Kind kind;
	428	switch (node->kind) {
	429	case ast::CatchStmt::Terminate:
	430	kind = CatchStmt::Terminate;
	431	break;
	432	case ast::CatchStmt::Resume:
	433	kind = CatchStmt::Resume;
	434	break;
	435	default:
	436	assertf(false, "Invalid ast::CatchStmt::Kind: %d\n", node->kind);
	437	}
	438	auto stmt = new CatchStmt(
	439	kind,
	440	get<Declaration>().accept1( node->decl ),
	441	get<Expression>().accept1( node->cond ),
	442	get<Statement>().accept1( node->body )
	443	);
[112fe04]	444	return stmtPostamble( stmt, node );
[74dbbf6]	445	}
	446
	447	const ast::Stmt * visit( const ast::FinallyStmt * node ) override final {
[4073b16]	448	if ( inCache( node ) ) return nullptr;
[675d816]	449	auto stmt = new FinallyStmt( get<CompoundStmt>().accept1( node->body ) );
[112fe04]	450	return stmtPostamble( stmt, node );
[74dbbf6]	451	}
	452
	453	const ast::Stmt * visit( const ast::WaitForStmt * node ) override final {
[4073b16]	454	if ( inCache( node ) ) return nullptr;
[675d816]	455	auto stmt = new WaitForStmt;
	456	stmt->clauses.reserve( node->clauses.size() );
	457	for ( auto clause : node->clauses ) {
	458	stmt->clauses.push_back({{
[e0016a5]	459	get<Expression>().accept1( clause.target.func ),
	460	get<Expression>().acceptL( clause.target.args ),
[675d816]	461	},
	462	get<Statement>().accept1( clause.stmt ),
	463	get<Expression>().accept1( clause.cond ),
	464	});
	465	}
	466	stmt->timeout = {
	467	get<Expression>().accept1( node->timeout.time ),
	468	get<Statement>().accept1( node->timeout.stmt ),
	469	get<Expression>().accept1( node->timeout.cond ),
	470	};
	471	stmt->orelse = {
	472	get<Statement>().accept1( node->orElse.stmt ),
	473	get<Expression>().accept1( node->orElse.cond ),
	474	};
[112fe04]	475	return stmtPostamble( stmt, node );
[74dbbf6]	476	}
	477
	478	const ast::Stmt * visit( const ast::WithStmt * node ) override final {
[4073b16]	479	if ( inCache( node ) ) return nullptr;
[675d816]	480	auto stmt = new WithStmt(
	481	get<Expression>().acceptL( node->exprs ),
	482	get<Statement>().accept1( node->stmt )
	483	);
[112fe04]	484	return stmtPostamble( stmt, node );
[74dbbf6]	485	}
	486
	487	const ast::NullStmt * visit( const ast::NullStmt * node ) override final {
[4073b16]	488	if ( inCache( node ) ) return nullptr;
[675d816]	489	auto stmt = new NullStmt();
[112fe04]	490	stmtPostamble( stmt, node );
[74dbbf6]	491	return nullptr;
	492	}
	493
	494	const ast::Stmt * visit( const ast::DeclStmt * node ) override final {
[4073b16]	495	if ( inCache( node ) ) return nullptr;
[675d816]	496	auto stmt = new DeclStmt( get<Declaration>().accept1( node->decl ) );
[112fe04]	497	return stmtPostamble( stmt, node );
[74dbbf6]	498	}
	499
	500	const ast::Stmt * visit( const ast::ImplicitCtorDtorStmt * node ) override final {
[4073b16]	501	if ( inCache( node ) ) return nullptr;
	502	auto stmt = new ImplicitCtorDtorStmt{
	503	get<Statement>().accept1( node->callStmt )
	504	};
	505	return stmtPostamble( stmt, node );
[74dbbf6]	506	}
	507
[19e567dd]	508	TypeSubstitution * convertTypeSubstitution(const ast::TypeSubstitution * src) {
	509
	510	TypeSubstitution *rslt = new TypeSubstitution();
	511
	512	for (decltype(src->begin()) src_i = src->begin(); src_i != src->end(); src_i++) {
	513	rslt->add( src_i->first,
	514	get<Type>().accept1(src_i->second) );
	515	}
	516
	517	for (decltype(src->beginVar()) src_i = src->beginVar(); src_i != src->endVar(); src_i++) {
	518	rslt->addVar( src_i->first,
	519	get<Expression>().accept1(src_i->second) );
	520	}
	521
	522	return rslt;
	523	}
	524
	525	void convertInferUnion(std::map<UniqueId,ParamEntry> &tgtInferParams,
	526	std::vector<UniqueId> &tgtResnSlots,
	527	const ast::Expr::InferUnion &srcInferred ) {
	528
	529	assert( tgtInferParams.empty() );
	530	assert( tgtResnSlots.empty() );
	531
	532	if ( srcInferred.mode == ast::Expr::InferUnion::Params ) {
	533	const ast::InferredParams &srcParams = srcInferred.inferParamsConst();
	534	for (auto srcParam : srcParams) {
	535	tgtInferParams[srcParam.first] = ParamEntry(
	536	srcParam.second.decl,
	537	get<Type>().accept1(srcParam.second.actualType),
	538	get<Type>().accept1(srcParam.second.formalType),
	539	get<Expression>().accept1(srcParam.second.expr)
	540	);
	541	}
	542	} else if ( srcInferred.mode == ast::Expr::InferUnion::Slots ) {
	543	const ast::ResnSlots &srcSlots = srcInferred.resnSlotsConst();
	544	for (auto srcSlot : srcSlots) {
	545	tgtResnSlots.push_back(srcSlot);
	546	}
	547	}
	548	}
	549
[20de6fb]	550	Expression * visitBaseExpr_skipResultType(const ast::Expr * src, Expression * tgt) {
[19e567dd]	551
[20de6fb]	552	tgt->location = src->location;
	553	tgt->env = convertTypeSubstitution(src->env);
[19e567dd]	554	tgt->extension = src->extension;
	555
[20de6fb]	556	convertInferUnion(tgt->inferParams, tgt->resnSlots, src->inferred);
[19e567dd]	557	return tgt;
	558	}
	559
[20de6fb]	560	Expression * visitBaseExpr(const ast::Expr * src, Expression * tgt) {
	561
	562	tgt->result = get<Type>().accept1(src->result);
	563	return visitBaseExpr_skipResultType(src, tgt);
	564	}
	565
[74dbbf6]	566	const ast::Expr * visit( const ast::ApplicationExpr * node ) override final {
[19e567dd]	567	auto expr = visitBaseExpr( node,
	568	new ApplicationExpr(
	569	get<Expression>().accept1(node->func),
	570	get<Expression>().acceptL(node->args)
	571	)
	572	);
	573	this->node = expr;
[74dbbf6]	574	return nullptr;
	575	}
	576
	577	const ast::Expr * visit( const ast::UntypedExpr * node ) override final {
[19e567dd]	578	auto expr = visitBaseExpr( node,
	579	new UntypedExpr(
	580	get<Expression>().accept1(node->func),
	581	get<Expression>().acceptL(node->args)
	582	)
	583	);
	584	this->node = expr;
[74dbbf6]	585	return nullptr;
	586	}
	587
	588	const ast::Expr * visit( const ast::NameExpr * node ) override final {
[19e567dd]	589	auto expr = visitBaseExpr( node,
	590	new NameExpr(
	591	node->name
	592	)
	593	);
	594	this->node = expr;
[74dbbf6]	595	return nullptr;
	596	}
	597
	598	const ast::Expr * visit( const ast::AddressExpr * node ) override final {
[28c89f4]	599	auto expr = visitBaseExpr( node,
	600	new AddressExpr(
	601	get<Expression>().accept1(node->arg)
	602	)
	603	);
	604	this->node = expr;
[74dbbf6]	605	return nullptr;
	606	}
	607
	608	const ast::Expr * visit( const ast::LabelAddressExpr * node ) override final {
[28c89f4]	609	auto expr = visitBaseExpr( node,
	610	new LabelAddressExpr(
	611	makeLabel(nullptr, node->arg)
	612	)
	613	);
	614	this->node = expr;
[74dbbf6]	615	return nullptr;
	616	}
	617
	618	const ast::Expr * visit( const ast::CastExpr * node ) override final {
[28c89f4]	619	auto expr = visitBaseExpr( node,
	620	new CastExpr(
	621	get<Expression>().accept1(node->arg),
	622	(node->isGenerated == ast::GeneratedCast)
	623	)
	624	);
	625	this->node = expr;
[74dbbf6]	626	return nullptr;
	627	}
	628
	629	const ast::Expr * visit( const ast::KeywordCastExpr * node ) override final {
[28c89f4]	630	KeywordCastExpr::Target castTarget = KeywordCastExpr::NUMBER_OF_TARGETS;
	631	switch (node->target) {
	632	case ast::KeywordCastExpr::Coroutine:
	633	castTarget = KeywordCastExpr::Coroutine;
	634	break;
	635	case ast::KeywordCastExpr::Thread:
	636	castTarget = KeywordCastExpr::Thread;
	637	break;
	638	case ast::KeywordCastExpr::Monitor:
	639	castTarget = KeywordCastExpr::Monitor;
	640	break;
	641	default:
	642	break;
	643	}
	644	assert ( castTarget < KeywordCastExpr::NUMBER_OF_TARGETS );
	645	auto expr = visitBaseExpr( node,
	646	new KeywordCastExpr(
	647	get<Expression>().accept1(node->arg),
	648	castTarget
	649	)
	650	);
	651	this->node = expr;
[74dbbf6]	652	return nullptr;
	653	}
	654
	655	const ast::Expr * visit( const ast::VirtualCastExpr * node ) override final {
[20de6fb]	656	auto expr = visitBaseExpr_skipResultType( node,
[28c89f4]	657	new VirtualCastExpr(
	658	get<Expression>().accept1(node->arg),
[20de6fb]	659	get<Type>().accept1(node->result)
[28c89f4]	660	)
	661	);
	662	this->node = expr;
[74dbbf6]	663	return nullptr;
	664	}
	665
	666	const ast::Expr * visit( const ast::UntypedMemberExpr * node ) override final {
[28c89f4]	667	auto expr = visitBaseExpr( node,
	668	new UntypedMemberExpr(
	669	get<Expression>().accept1(node->member),
	670	get<Expression>().accept1(node->aggregate)
	671	)
	672	);
	673	this->node = expr;
[74dbbf6]	674	return nullptr;
	675	}
	676
	677	const ast::Expr * visit( const ast::MemberExpr * node ) override final {
[28c89f4]	678	auto expr = visitBaseExpr( node,
	679	new MemberExpr(
	680	inCache(node->member) ?
	681	dynamic_cast<DeclarationWithType *>(this->node) :
	682	get<DeclarationWithType>().accept1(node->member),
	683	get<Expression>().accept1(node->aggregate)
	684	)
	685	);
	686	this->node = expr;
[74dbbf6]	687	return nullptr;
	688	}
	689
	690	const ast::Expr * visit( const ast::VariableExpr * node ) override final {
[28c89f4]	691	auto expr = visitBaseExpr( node,
	692	new VariableExpr(
	693	inCache(node->var) ?
	694	dynamic_cast<DeclarationWithType *>(this->node) :
	695	get<DeclarationWithType>().accept1(node->var)
	696	)
	697	);
	698	this->node = expr;
[74dbbf6]	699	return nullptr;
	700	}
	701
	702	const ast::Expr * visit( const ast::ConstantExpr * node ) override final {
[28c89f4]	703	ConstantExpr *rslt = nullptr;
[20a5977]	704	switch ( node->kind ) {
	705	case ast::ConstantExpr::Integer:
	706	rslt = new ConstantExpr{Constant{
	707	get<Type>().accept1( node->result ),
[28c89f4]	708	node->rep,
	709	(unsigned long long) node->intValue()
[20a5977]	710	}};
	711	break;
	712	case ast::ConstantExpr::FloatingPoint:
	713	rslt = new ConstantExpr{Constant{
[28c89f4]	714	get<Type>().accept1(node->result),
	715	node->rep,
	716	(double) node->floatValue()
[20a5977]	717	}};
	718	break;
	719	case ast::ConstantExpr::String:
	720	rslt = new ConstantExpr{Constant::from_string( node->rep )};
	721	break;
[28c89f4]	722	}
	723	assert(rslt);
	724	auto expr = visitBaseExpr( node, rslt );
	725	this->node = expr;
[74dbbf6]	726	return nullptr;
	727	}
	728
	729	const ast::Expr * visit( const ast::SizeofExpr * node ) override final {
[28c89f4]	730	assert (node->expr \|\| node->type);
	731	assert (! (node->expr && node->type));
	732	SizeofExpr *rslt;
	733	if (node->expr) {
	734	rslt = new SizeofExpr(
	735	get<Expression>().accept1(node->expr)
	736	);
	737	assert (!rslt->isType);
	738	}
	739	if (node->type) {
	740	rslt = new SizeofExpr(
	741	get<Type>().accept1(node->type)
	742	);
	743	assert (rslt->isType);
	744	}
	745	auto expr = visitBaseExpr( node, rslt );
	746	this->node = expr;
[74dbbf6]	747	return nullptr;
	748	}
	749
	750	const ast::Expr * visit( const ast::AlignofExpr * node ) override final {
[28c89f4]	751	assert (node->expr \|\| node->type);
	752	assert (! (node->expr && node->type));
	753	AlignofExpr *rslt;
	754	if (node->expr) {
	755	rslt = new AlignofExpr(
	756	get<Expression>().accept1(node->expr)
	757	);
	758	assert (!rslt->isType);
	759	}
	760	if (node->type) {
	761	rslt = new AlignofExpr(
	762	get<Type>().accept1(node->type)
	763	);
	764	assert (rslt->isType);
	765	}
	766	auto expr = visitBaseExpr( node, rslt );
	767	this->node = expr;
[74dbbf6]	768	return nullptr;
	769	}
	770
	771	const ast::Expr * visit( const ast::UntypedOffsetofExpr * node ) override final {
[28c89f4]	772	auto expr = visitBaseExpr( node,
	773	new UntypedOffsetofExpr(
	774	get<Type>().accept1(node->type),
	775	node->member
	776	)
	777	);
	778	this->node = expr;
[74dbbf6]	779	return nullptr;
	780	}
	781
	782	const ast::Expr * visit( const ast::OffsetofExpr * node ) override final {
[28c89f4]	783	auto expr = visitBaseExpr( node,
	784	new OffsetofExpr(
	785	get<Type>().accept1(node->type),
	786	inCache(node->member) ?
	787	dynamic_cast<DeclarationWithType *>(this->node) :
	788	get<DeclarationWithType>().accept1(node->member)
	789	)
	790	);
	791	this->node = expr;
[74dbbf6]	792	return nullptr;
	793	}
	794
	795	const ast::Expr * visit( const ast::OffsetPackExpr * node ) override final {
[28c89f4]	796	auto expr = visitBaseExpr( node,
	797	new OffsetPackExpr(
	798	get<StructInstType>().accept1(node->type)
	799	)
	800	);
	801	this->node = expr;
[74dbbf6]	802	return nullptr;
	803	}
	804
	805	const ast::Expr * visit( const ast::LogicalExpr * node ) override final {
[28c89f4]	806	assert (node->isAnd == ast::LogicalFlag::AndExpr \|\|
	807	node->isAnd == ast::LogicalFlag::OrExpr );
	808	auto expr = visitBaseExpr( node,
	809	new LogicalExpr(
	810	get<Expression>().accept1(node->arg1),
	811	get<Expression>().accept1(node->arg2),
	812	(node->isAnd == ast::LogicalFlag::AndExpr)
	813	)
	814	);
	815	this->node = expr;
[74dbbf6]	816	return nullptr;
	817	}
	818
	819	const ast::Expr * visit( const ast::ConditionalExpr * node ) override final {
[28c89f4]	820	auto expr = visitBaseExpr( node,
	821	new ConditionalExpr(
	822	get<Expression>().accept1(node->arg1),
	823	get<Expression>().accept1(node->arg2),
	824	get<Expression>().accept1(node->arg3)
	825	)
	826	);
	827	this->node = expr;
[74dbbf6]	828	return nullptr;
	829	}
	830
	831	const ast::Expr * visit( const ast::CommaExpr * node ) override final {
[28c89f4]	832	auto expr = visitBaseExpr( node,
	833	new CommaExpr(
	834	get<Expression>().accept1(node->arg1),
	835	get<Expression>().accept1(node->arg2)
	836	)
	837	);
	838	this->node = expr;
[74dbbf6]	839	return nullptr;
	840	}
	841
	842	const ast::Expr * visit( const ast::TypeExpr * node ) override final {
[20de6fb]	843	auto expr = visitBaseExpr( node,
	844	new TypeExpr(
	845	get<Type>().accept1(node->type)
	846	)
	847	);
	848	this->node = expr;
[74dbbf6]	849	return nullptr;
	850	}
	851
	852	const ast::Expr * visit( const ast::AsmExpr * node ) override final {
[20de6fb]	853	auto expr = visitBaseExpr( node,
	854	new AsmExpr(
	855	get<Expression>().accept1(node->inout),
	856	get<Expression>().accept1(node->constraint),
	857	get<Expression>().accept1(node->operand)
	858	)
	859	);
	860	this->node = expr;
[74dbbf6]	861	return nullptr;
	862	}
	863
	864	const ast::Expr * visit( const ast::ImplicitCopyCtorExpr * node ) override final {
[20de6fb]	865	auto rslt = new ImplicitCopyCtorExpr(
	866	get<ApplicationExpr>().accept1(node->callExpr)
	867	);
	868
	869	rslt->tempDecls = get<ObjectDecl>().acceptL(node->tempDecls);
	870	rslt->returnDecls = get<ObjectDecl>().acceptL(node->returnDecls);
	871	rslt->dtors = get<Expression>().acceptL(node->dtors);
	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 );
[0b57626]	1306	(void)node;
[74dbbf6]	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 ) ) )
[0b57626]	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;
	1432
	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;
	1533
	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;
[6f8e87d]	1870	this->node = new ast::ImplicitCtorDtorStmt(
	1871	old->location,
	1872	GET_ACCEPT_1(callStmt, Stmt),
	1873	GET_LABELS_V(old->labels)
	1874	);
[4073b16]	1875	cache.emplace( old, this->node );
[6d51bd7]	1876	}
	1877
[172d9342]	1878	ast::TypeSubstitution * convertTypeSubstitution(const TypeSubstitution * old) {
	1879
[8abee136]	1880	if (!old) return nullptr;
	1881
[172d9342]	1882	ast::TypeSubstitution *rslt = new ast::TypeSubstitution();
	1883
	1884	for (decltype(old->begin()) old_i = old->begin(); old_i != old->end(); old_i++) {
	1885	rslt->add( old_i->first,
	1886	getAccept1<ast::Type>(old_i->second) );
	1887	}
[6d51bd7]	1888
[172d9342]	1889	for (decltype(old->beginVar()) old_i = old->beginVar(); old_i != old->endVar(); old_i++) {
	1890	rslt->addVar( old_i->first,
	1891	getAccept1<ast::Expr>(old_i->second) );
	1892	}
[19e567dd]	1893
	1894	return rslt;
[6d51bd7]	1895	}
	1896
[e0016a5]	1897	void convertInferUnion(ast::Expr::InferUnion &newInferred,
[19e567dd]	1898	const std::map<UniqueId,ParamEntry> &oldInferParams,
	1899	const std::vector<UniqueId> &oldResnSlots) {
	1900
	1901	assert( oldInferParams.empty() \|\| oldResnSlots.empty() );
	1902	assert( newInferred.mode == ast::Expr::InferUnion::Empty );
	1903
	1904	if ( !oldInferParams.empty() ) {
	1905	ast::InferredParams &tgt = newInferred.inferParams();
	1906	for (auto old : oldInferParams) {
	1907	tgt[old.first] = ast::ParamEntry(
	1908	old.second.decl,
	1909	getAccept1<ast::Type>(old.second.actualType),
	1910	getAccept1<ast::Type>(old.second.formalType),
	1911	getAccept1<ast::Expr>(old.second.expr)
	1912	);
	1913	}
	1914	} else if ( !oldResnSlots.empty() ) {
	1915	ast::ResnSlots &tgt = newInferred.resnSlots();
	1916	for (auto old : oldResnSlots) {
	1917	tgt.push_back(old);
	1918	}
	1919	}
[172d9342]	1920	}
	1921
[20de6fb]	1922	ast::Expr * visitBaseExpr_SkipResultType(Expression * old, ast::Expr * nw) {
[6d51bd7]	1923
[172d9342]	1924	nw->env = convertTypeSubstitution(old->env);
	1925
	1926	nw->extension = old->extension;
	1927	convertInferUnion(nw->inferred, old->inferParams, old->resnSlots);
	1928
	1929	return nw;
	1930	}
[6d51bd7]	1931
[20de6fb]	1932	ast::Expr * visitBaseExpr(Expression * old, ast::Expr * nw) {
	1933
	1934	nw->result = GET_ACCEPT_1(result, Type);
	1935	return visitBaseExpr_SkipResultType(old, nw);;
	1936	}
	1937
[19e567dd]	1938	virtual void visit( ApplicationExpr * old ) override final {
	1939	this->node = visitBaseExpr( old,
	1940	new ast::ApplicationExpr(
	1941	old->location,
	1942	GET_ACCEPT_1(function, Expr),
	1943	GET_ACCEPT_V(args, Expr)
	1944	)
	1945	);
[6d51bd7]	1946	}
	1947
[19e567dd]	1948	virtual void visit( UntypedExpr * old ) override final {
	1949	this->node = visitBaseExpr( old,
	1950	new ast::UntypedExpr(
	1951	old->location,
	1952	GET_ACCEPT_1(function, Expr),
	1953	GET_ACCEPT_V(args, Expr)
	1954	)
	1955	);
[172d9342]	1956	}
[6d51bd7]	1957
[172d9342]	1958	virtual void visit( NameExpr * old ) override final {
	1959	this->node = visitBaseExpr( old,
	1960	new ast::NameExpr(
	1961	old->location,
	1962	old->get_name()
	1963	)
	1964	);
[6d51bd7]	1965	}
	1966
[19e567dd]	1967	virtual void visit( CastExpr * old ) override final {
	1968	this->node = visitBaseExpr( old,
	1969	new ast::CastExpr(
	1970	old->location,
[28c89f4]	1971	GET_ACCEPT_1(arg, Expr),
[19e567dd]	1972	old->isGenerated ? ast::GeneratedCast : ast::ExplicitCast
	1973	)
	1974	);
[6d51bd7]	1975	}
	1976
[28c89f4]	1977	virtual void visit( KeywordCastExpr * old) override final {
	1978	ast::KeywordCastExpr::Target castTarget = ast::KeywordCastExpr::NUMBER_OF_TARGETS;
	1979	switch (old->target) {
	1980	case KeywordCastExpr::Coroutine:
	1981	castTarget = ast::KeywordCastExpr::Coroutine;
	1982	break;
	1983	case KeywordCastExpr::Thread:
	1984	castTarget = ast::KeywordCastExpr::Thread;
	1985	break;
	1986	case KeywordCastExpr::Monitor:
	1987	castTarget = ast::KeywordCastExpr::Monitor;
	1988	break;
	1989	default:
	1990	break;
	1991	}
	1992	assert ( castTarget < ast::KeywordCastExpr::NUMBER_OF_TARGETS );
	1993	this->node = visitBaseExpr( old,
	1994	new ast::KeywordCastExpr(
	1995	old->location,
	1996	GET_ACCEPT_1(arg, Expr),
	1997	castTarget
	1998	)
	1999	);
[6d51bd7]	2000	}
	2001
[28c89f4]	2002	virtual void visit( VirtualCastExpr * old ) override final {
[20de6fb]	2003	this->node = visitBaseExpr_SkipResultType( old,
[28c89f4]	2004	new ast::VirtualCastExpr(
	2005	old->location,
	2006	GET_ACCEPT_1(arg, Expr),
[20de6fb]	2007	GET_ACCEPT_1(result, Type)
[28c89f4]	2008	)
	2009	);
[6d51bd7]	2010	}
	2011
[28c89f4]	2012	virtual void visit( AddressExpr * old ) override final {
	2013	this->node = visitBaseExpr( old,
	2014	new ast::AddressExpr(
	2015	old->location,
	2016	GET_ACCEPT_1(arg, Expr)
	2017	)
	2018	);
[6d51bd7]	2019	}
	2020
[28c89f4]	2021	virtual void visit( LabelAddressExpr * old ) override final {
	2022	this->node = visitBaseExpr( old,
	2023	new ast::LabelAddressExpr(
	2024	old->location,
	2025	make_label(&old->arg)
	2026	)
	2027	);
[6d51bd7]	2028	}
	2029
[28c89f4]	2030	virtual void visit( UntypedMemberExpr * old ) override final {
	2031	this->node = visitBaseExpr( old,
	2032	new ast::UntypedMemberExpr(
	2033	old->location,
	2034	GET_ACCEPT_1(member, Expr),
	2035	GET_ACCEPT_1(aggregate, Expr)
	2036	)
	2037	);
[6d51bd7]	2038	}
	2039
[28c89f4]	2040	virtual void visit( MemberExpr * old ) override final {
	2041	this->node = visitBaseExpr( old,
	2042	new ast::MemberExpr(
	2043	old->location,
	2044	inCache(old->member) ?
	2045	dynamic_cast<ast::DeclWithType *>(this->node) :
	2046	GET_ACCEPT_1(member, DeclWithType),
	2047	GET_ACCEPT_1(aggregate, Expr)
	2048	)
	2049	);
[6d51bd7]	2050	}
	2051
[28c89f4]	2052	virtual void visit( VariableExpr * old ) override final {
	2053	this->node = visitBaseExpr( old,
	2054	new ast::VariableExpr(
	2055	old->location,
	2056	inCache(old->var) ?
	2057	dynamic_cast<ast::DeclWithType *>(this->node) :
	2058	GET_ACCEPT_1(var, DeclWithType)
	2059	)
	2060	);
[6d51bd7]	2061	}
	2062
[28c89f4]	2063	bool isIntlikeConstantType(const Type *t) {
	2064	if ( const BasicType * basicType = dynamic_cast< const BasicType * >( t ) ) {
	2065	if ( basicType->isInteger() ) {
	2066	return true;
	2067	}
	2068	} else if ( dynamic_cast< const OneType * >( t ) ) {
	2069	return true;
	2070	} else if ( dynamic_cast< const ZeroType * >( t ) ) {
	2071	return true;
	2072	} else if ( dynamic_cast< const PointerType * >( t ) ) {
	2073	// null pointer constants, with zero int-values
	2074	return true;
	2075	}
	2076	return false;
[6d51bd7]	2077	}
	2078
[28c89f4]	2079	int isFloatlikeConstantType(const Type *t) {
	2080	if ( const BasicType * bty = dynamic_cast< const BasicType * >( t ) ) {
	2081	if ( ! bty->isInteger() ) {
	2082	return true;
	2083	}
	2084	}
	2085	return false;
[6d51bd7]	2086	}
	2087
[28c89f4]	2088	int isStringlikeConstantType(const Type *t) {
	2089	if ( const ArrayType * aty = dynamic_cast< const ArrayType * >( t ) ) {
	2090	if ( const BasicType * bty = dynamic_cast< const BasicType * >( aty->base ) ) {
	2091	if ( bty->kind == BasicType::Kind::Char ) {
	2092	return true;
	2093	}
	2094	}
	2095	}
	2096	return false;
[6d51bd7]	2097	}
	2098
[28c89f4]	2099	virtual void visit( ConstantExpr * old ) override final {
	2100	ast::ConstantExpr *rslt = nullptr;
	2101	if (isIntlikeConstantType(old->result)) {
	2102	rslt = new ast::ConstantExpr(
	2103	old->location,
	2104	GET_ACCEPT_1(result, Type),
	2105	old->constant.get_value(),
	2106	(unsigned long long) old->intValue()
	2107	);
	2108	} else if (isFloatlikeConstantType(old->result)) {
	2109	rslt = new ast::ConstantExpr(
	2110	old->location,
[0b57626]	2111	GET_ACCEPT_1(result, Type),
	2112	old->constant.get_value(),
[28c89f4]	2113	(double) old->constant.get_dval()
	2114	);
	2115	} else if (isStringlikeConstantType(old->result)) {
	2116	rslt = ast::ConstantExpr::from_string(
	2117	old->location,
	2118	old->constant.get_value()
	2119	);
	2120	}
	2121	assert(rslt);
	2122	this->node = visitBaseExpr( old, rslt );
	2123	}
	2124
	2125	virtual void visit( SizeofExpr * old ) override final {
	2126	assert (old->expr \|\| old->type);
	2127	assert (! (old->expr && old->type));
	2128	ast::SizeofExpr *rslt;
	2129	if (old->expr) {
	2130	assert(!old->isType);
	2131	rslt = new ast::SizeofExpr(
[0b57626]	2132	old->location,
[28c89f4]	2133	GET_ACCEPT_1(expr, Expr)
	2134	);
	2135	}
	2136	if (old->type) {
	2137	assert(old->isType);
	2138	rslt = new ast::SizeofExpr(
[0b57626]	2139	old->location,
[28c89f4]	2140	GET_ACCEPT_1(type, Type)
	2141	);
	2142	}
	2143	this->node = visitBaseExpr( old, rslt );
	2144	}
	2145
	2146	virtual void visit( AlignofExpr * old ) override final {
	2147	assert (old->expr \|\| old->type);
	2148	assert (! (old->expr && old->type));
	2149	ast::AlignofExpr *rslt;
	2150	if (old->expr) {
	2151	assert(!old->isType);
	2152	rslt = new ast::AlignofExpr(
[0b57626]	2153	old->location,
[28c89f4]	2154	GET_ACCEPT_1(expr, Expr)
	2155	);
	2156	}
	2157	if (old->type) {
	2158	assert(old->isType);
	2159	rslt = new ast::AlignofExpr(
[0b57626]	2160	old->location,
[28c89f4]	2161	GET_ACCEPT_1(type, Type)
	2162	);
	2163	}
	2164	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2165	}
	2166
[28c89f4]	2167	virtual void visit( UntypedOffsetofExpr * old ) override final {
	2168	this->node = visitBaseExpr( old,
	2169	new ast::UntypedOffsetofExpr(
	2170	old->location,
	2171	GET_ACCEPT_1(type, Type),
	2172	old->member
	2173	)
	2174	);
[6d51bd7]	2175	}
	2176
[28c89f4]	2177	virtual void visit( OffsetofExpr * old ) override final {
	2178	this->node = visitBaseExpr( old,
	2179	new ast::OffsetofExpr(
	2180	old->location,
	2181	GET_ACCEPT_1(type, Type),
	2182	inCache(old->member) ?
	2183	dynamic_cast<ast::DeclWithType *>(this->node) :
	2184	GET_ACCEPT_1(member, DeclWithType)
	2185	)
	2186	);
[6d51bd7]	2187	}
	2188
[28c89f4]	2189	virtual void visit( OffsetPackExpr * old ) override final {
	2190	this->node = visitBaseExpr( old,
	2191	new ast::OffsetPackExpr(
	2192	old->location,
	2193	GET_ACCEPT_1(type, StructInstType)
	2194	)
	2195	);
[6d51bd7]	2196	}
	2197
[28c89f4]	2198	virtual void visit( LogicalExpr * old ) override final {
	2199	this->node = visitBaseExpr( old,
	2200	new ast::LogicalExpr(
	2201	old->location,
	2202	GET_ACCEPT_1(arg1, Expr),
	2203	GET_ACCEPT_1(arg2, Expr),
[0b57626]	2204	old->get_isAnd() ?
[28c89f4]	2205	ast::LogicalFlag::AndExpr :
	2206	ast::LogicalFlag::OrExpr
	2207	)
	2208	);
[6d51bd7]	2209	}
	2210
[28c89f4]	2211	virtual void visit( ConditionalExpr * old ) override final {
	2212	this->node = visitBaseExpr( old,
	2213	new ast::ConditionalExpr(
	2214	old->location,
	2215	GET_ACCEPT_1(arg1, Expr),
	2216	GET_ACCEPT_1(arg2, Expr),
	2217	GET_ACCEPT_1(arg3, Expr)
	2218	)
	2219	);
	2220	}
[6d51bd7]	2221
[28c89f4]	2222	virtual void visit( CommaExpr * old ) override final {
	2223	this->node = visitBaseExpr( old,
	2224	new ast::CommaExpr(
	2225	old->location,
	2226	GET_ACCEPT_1(arg1, Expr),
	2227	GET_ACCEPT_1(arg2, Expr)
	2228	)
	2229	);
[6d51bd7]	2230	}
	2231
[20de6fb]	2232	virtual void visit( TypeExpr * old ) override final {
	2233	this->node = visitBaseExpr( old,
	2234	new ast::TypeExpr(
	2235	old->location,
	2236	GET_ACCEPT_1(type, Type)
	2237	)
	2238	);
[6d51bd7]	2239	}
	2240
[20de6fb]	2241	virtual void visit( AsmExpr * old ) override final {
	2242	this->node = visitBaseExpr( old,
	2243	new ast::AsmExpr(
	2244	old->location,
	2245	GET_ACCEPT_1(inout, Expr),
	2246	GET_ACCEPT_1(constraint, Expr),
	2247	GET_ACCEPT_1(operand, Expr)
	2248	)
	2249	);
[6d51bd7]	2250	}
	2251
[20de6fb]	2252	virtual void visit( ImplicitCopyCtorExpr * old ) override final {
	2253	auto rslt = new ast::ImplicitCopyCtorExpr(
	2254	old->location,
	2255	GET_ACCEPT_1(callExpr, ApplicationExpr)
	2256	);
[6d51bd7]	2257
[20de6fb]	2258	rslt->tempDecls = GET_ACCEPT_V(tempDecls, ObjectDecl);
	2259	rslt->returnDecls = GET_ACCEPT_V(returnDecls, ObjectDecl);
	2260	rslt->dtors = GET_ACCEPT_V(dtors, Expr);
[6d51bd7]	2261
[20de6fb]	2262	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2263	}
	2264
[20de6fb]	2265	virtual void visit( ConstructorExpr * old ) override final {
	2266	this->node = visitBaseExpr( old,
	2267	new ast::ConstructorExpr(
	2268	old->location,
	2269	GET_ACCEPT_1(callExpr, Expr)
	2270	)
	2271	);
[6d51bd7]	2272	}
	2273
[20de6fb]	2274	virtual void visit( CompoundLiteralExpr * old ) override final {
	2275	this->node = visitBaseExpr_SkipResultType( old,
	2276	new ast::CompoundLiteralExpr(
	2277	old->location,
	2278	GET_ACCEPT_1(result, Type),
	2279	GET_ACCEPT_1(initializer, Init)
	2280	)
	2281	);
[6d51bd7]	2282	}
	2283
[20de6fb]	2284	virtual void visit( RangeExpr * old ) override final {
	2285	this->node = visitBaseExpr( old,
	2286	new ast::RangeExpr(
	2287	old->location,
	2288	GET_ACCEPT_1(low, Expr),
	2289	GET_ACCEPT_1(high, Expr)
	2290	)
	2291	);
[6d51bd7]	2292	}
	2293
[20de6fb]	2294	virtual void visit( UntypedTupleExpr * old ) override final {
	2295	this->node = visitBaseExpr( old,
	2296	new ast::UntypedTupleExpr(
	2297	old->location,
	2298	GET_ACCEPT_V(exprs, Expr)
	2299	)
	2300	);
[6d51bd7]	2301	}
	2302
[20de6fb]	2303	virtual void visit( TupleExpr * old ) override final {
	2304	this->node = visitBaseExpr( old,
	2305	new ast::TupleExpr(
	2306	old->location,
	2307	GET_ACCEPT_V(exprs, Expr)
	2308	)
	2309	);
[6d51bd7]	2310	}
	2311
[20de6fb]	2312	virtual void visit( TupleIndexExpr * old ) override final {
	2313	this->node = visitBaseExpr( old,
	2314	new ast::TupleIndexExpr(
	2315	old->location,
	2316	GET_ACCEPT_1(tuple, Expr),
	2317	old->index
	2318	)
	2319	);
[6d51bd7]	2320	}
	2321
[20de6fb]	2322	virtual void visit( TupleAssignExpr * old ) override final {
	2323	this->node = visitBaseExpr_SkipResultType( old,
	2324	new ast::TupleAssignExpr(
	2325	old->location,
	2326	GET_ACCEPT_1(result, Type),
	2327	GET_ACCEPT_1(stmtExpr, StmtExpr)
	2328	)
	2329	);
[6d51bd7]	2330	}
	2331
[20de6fb]	2332	virtual void visit( StmtExpr * old ) override final {
	2333	auto rslt = new ast::StmtExpr(
	2334	old->location,
	2335	GET_ACCEPT_1(statements, CompoundStmt)
	2336	);
	2337	rslt->returnDecls = GET_ACCEPT_V(returnDecls, ObjectDecl);
	2338	rslt->dtors = GET_ACCEPT_V(dtors , Expr);
[6d51bd7]	2339
[20de6fb]	2340	this->node = visitBaseExpr_SkipResultType( old, rslt );
[6d51bd7]	2341	}
	2342
[20de6fb]	2343	virtual void visit( UniqueExpr * old ) override final {
	2344	auto rslt = new ast::UniqueExpr(
	2345	old->location,
	2346	GET_ACCEPT_1(expr, Expr)
	2347	);
	2348	rslt->object = GET_ACCEPT_1(object, ObjectDecl);
	2349	rslt->var = GET_ACCEPT_1(var , VariableExpr);
[6d51bd7]	2350
[20de6fb]	2351	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2352	}
	2353
[20de6fb]	2354	virtual void visit( UntypedInitExpr * old ) override final {
	2355	std::vector<ast::InitAlternative> initAlts;
	2356	for (auto ia : old->initAlts) {
	2357	initAlts.push_back(ast::InitAlternative(
	2358	getAccept1< ast::Type, Type * >( ia.type ),
	2359	getAccept1< ast::Designation, Designation * >( ia.designation )
	2360	));
	2361	}
	2362	this->node = visitBaseExpr( old,
	2363	new ast::UntypedInitExpr(
	2364	old->location,
	2365	GET_ACCEPT_1(expr, Expr),
	2366	std::move(initAlts)
	2367	)
	2368	);
[6d51bd7]	2369	}
	2370
[20de6fb]	2371	virtual void visit( InitExpr * old ) override final {
	2372	this->node = visitBaseExpr( old,
	2373	new ast::InitExpr(
	2374	old->location,
	2375	GET_ACCEPT_1(expr, Expr),
	2376	GET_ACCEPT_1(designation, Designation)
	2377	)
	2378	);
[6d51bd7]	2379	}
	2380
[20de6fb]	2381	virtual void visit( DeletedExpr * old ) override final {
	2382	this->node = visitBaseExpr( old,
	2383	new ast::DeletedExpr(
	2384	old->location,
	2385	GET_ACCEPT_1(expr, Expr),
	2386	inCache(old->deleteStmt) ?
	2387	this->node :
	2388	GET_ACCEPT_1(deleteStmt, Node)
	2389	)
	2390	);
[6d51bd7]	2391	}
	2392
[20de6fb]	2393	virtual void visit( DefaultArgExpr * old ) override final {
	2394	this->node = visitBaseExpr( old,
	2395	new ast::DefaultArgExpr(
	2396	old->location,
	2397	GET_ACCEPT_1(expr, Expr)
	2398	)
	2399	);
	2400	}
[6d51bd7]	2401
[20de6fb]	2402	virtual void visit( GenericExpr * old ) override final {
	2403	std::vector<ast::GenericExpr::Association> associations;
	2404	for (auto association : old->associations) {
	2405	associations.push_back(ast::GenericExpr::Association(
	2406	getAccept1< ast::Type, Type * >( association.type ),
	2407	getAccept1< ast::Expr, Expression * >( association.expr )
	2408	));
	2409	}
	2410	this->node = visitBaseExpr( old,
	2411	new ast::GenericExpr(
	2412	old->location,
	2413	GET_ACCEPT_1(control, Expr),
	2414	std::move(associations)
	2415	)
	2416	);
[6d51bd7]	2417	}
	2418
[d148778]	2419	virtual void visit( VoidType * old ) override final {
	2420	this->node = new ast::VoidType{ cv( old ) };
[6d51bd7]	2421	}
	2422
[d148778]	2423	virtual void visit( BasicType * old ) override final {
	2424	this->node = new ast::BasicType{ (ast::BasicType::Kind)(unsigned)old->kind, cv( old ) };
[6d51bd7]	2425	}
	2426
[d148778]	2427	virtual void visit( PointerType * old ) override final {
	2428	this->node = new ast::PointerType{
	2429	GET_ACCEPT_1( base, Type ),
	2430	GET_ACCEPT_1( dimension, Expr ),
	2431	(ast::LengthFlag)old->isVarLen,
	2432	(ast::DimensionFlag)old->isStatic,
	2433	cv( old )
	2434	};
[6d51bd7]	2435	}
	2436
[d148778]	2437	virtual void visit( ArrayType * old ) override final {
	2438	this->node = new ast::ArrayType{
	2439	GET_ACCEPT_1( base, Type ),
	2440	GET_ACCEPT_1( dimension, Expr ),
	2441	(ast::LengthFlag)old->isVarLen,
	2442	(ast::DimensionFlag)old->isStatic,
	2443	cv( old )
	2444	};
[6d51bd7]	2445	}
	2446
[d148778]	2447	virtual void visit( ReferenceType * old ) override final {
	2448	this->node = new ast::ReferenceType{
	2449	GET_ACCEPT_1( base, Type ),
	2450	cv( old )
	2451	};
[6d51bd7]	2452	}
	2453
[d148778]	2454	virtual void visit( QualifiedType * old ) override final {
	2455	this->node = new ast::QualifiedType{
	2456	GET_ACCEPT_1( parent, Type ),
	2457	GET_ACCEPT_1( child, Type ),
	2458	cv( old )
	2459	};
[6d51bd7]	2460	}
	2461
[d148778]	2462	virtual void visit( FunctionType * old ) override final {
	2463	auto ty = new ast::FunctionType {
	2464	(ast::ArgumentFlag)old->isVarArgs,
	2465	cv( old )
	2466	};
	2467	ty->returns = GET_ACCEPT_V( returnVals, DeclWithType );
	2468	ty->params = GET_ACCEPT_V( parameters, DeclWithType );
	2469	ty->forall = GET_ACCEPT_V( forall, TypeDecl );
	2470	this->node = ty;
[6d51bd7]	2471	}
	2472
[d148778]	2473	void postvisit( ReferenceToType * old, ast::ReferenceToType * ty ) {
	2474	ty->forall = GET_ACCEPT_V( forall, TypeDecl );
	2475	ty->params = GET_ACCEPT_V( parameters, Expr );
	2476	ty->hoistType = old->hoistType;
[6d51bd7]	2477	}
	2478
[d148778]	2479	virtual void visit( StructInstType * old ) override final {
[b869ec5]	2480	ast::StructInstType * ty;
	2481	if ( old->baseStruct ) {
	2482	ty = new ast::StructInstType{
	2483	GET_ACCEPT_1( baseStruct, StructDecl ),
	2484	cv( old ),
	2485	GET_ACCEPT_V( attributes, Attribute )
	2486	};
	2487	} else {
	2488	ty = new ast::StructInstType{
	2489	old->name,
	2490	cv( old ),
	2491	GET_ACCEPT_V( attributes, Attribute )
	2492	};
	2493	}
[d148778]	2494	postvisit( old, ty );
	2495	this->node = ty;
[6d51bd7]	2496	}
	2497
[d148778]	2498	virtual void visit( UnionInstType * old ) override final {
[b869ec5]	2499	ast::UnionInstType * ty;
	2500	if ( old->baseUnion ) {
	2501	ty = new ast::UnionInstType{
	2502	GET_ACCEPT_1( baseUnion, UnionDecl ),
	2503	cv( old ),
	2504	GET_ACCEPT_V( attributes, Attribute )
	2505	};
	2506	} else {
	2507	ty = new ast::UnionInstType{
	2508	old->name,
	2509	cv( old ),
	2510	GET_ACCEPT_V( attributes, Attribute )
	2511	};
	2512	}
[d148778]	2513	postvisit( old, ty );
	2514	this->node = ty;
[6d51bd7]	2515	}
	2516
[d148778]	2517	virtual void visit( EnumInstType * old ) override final {
[b869ec5]	2518	ast::EnumInstType * ty;
	2519	if ( old->baseEnum ) {
	2520	ty = new ast::EnumInstType{
	2521	GET_ACCEPT_1( baseEnum, EnumDecl ),
	2522	cv( old ),
	2523	GET_ACCEPT_V( attributes, Attribute )
	2524	};
	2525	} else {
	2526	ty = new ast::EnumInstType{
	2527	old->name,
	2528	cv( old ),
	2529	GET_ACCEPT_V( attributes, Attribute )
	2530	};
	2531	}
[d148778]	2532	postvisit( old, ty );
	2533	this->node = ty;
[6d51bd7]	2534	}
	2535
[d148778]	2536	virtual void visit( TraitInstType * old ) override final {
[b869ec5]	2537	ast::TraitInstType * ty;
	2538	if ( old->baseTrait ) {
	2539	ty = new ast::TraitInstType{
	2540	GET_ACCEPT_1( baseTrait, TraitDecl ),
	2541	cv( old ),
	2542	GET_ACCEPT_V( attributes, Attribute )
	2543	};
	2544	} else {
	2545	ty = new ast::TraitInstType{
	2546	old->name,
	2547	cv( old ),
	2548	GET_ACCEPT_V( attributes, Attribute )
	2549	};
	2550	}
[d148778]	2551	postvisit( old, ty );
	2552	this->node = ty;
	2553	}
[6d51bd7]	2554
[d148778]	2555	virtual void visit( TypeInstType * old ) override final {
[514a791]	2556	ast::TypeInstType * ty;
	2557	if ( old->baseType ) {
	2558	ty = new ast::TypeInstType{
	2559	old->name,
[b869ec5]	2560	GET_ACCEPT_1( baseType, TypeDecl ),
[514a791]	2561	cv( old ),
	2562	GET_ACCEPT_V( attributes, Attribute )
	2563	};
	2564	} else {
	2565	ty = new ast::TypeInstType{
	2566	old->name,
	2567	old->isFtype ? ast::TypeVar::Ftype : ast::TypeVar::Dtype,
	2568	cv( old ),
	2569	GET_ACCEPT_V( attributes, Attribute )
	2570	};
	2571	}
[d148778]	2572	postvisit( old, ty );
	2573	this->node = ty;
[6d51bd7]	2574	}
	2575
[746ae82]	2576	virtual void visit( TupleType * old ) override final {
	2577	this->node = new ast::TupleType{
	2578	GET_ACCEPT_V( types, Type ),
	2579	// members generated by TupleType c'tor
	2580	cv( old )
	2581	};
[6d51bd7]	2582	}
	2583
[746ae82]	2584	virtual void visit( TypeofType * old ) override final {
	2585	this->node = new ast::TypeofType{
	2586	GET_ACCEPT_1( expr, Expr ),
	2587	(ast::TypeofType::Kind)old->is_basetypeof,
	2588	cv( old )
	2589	};
[6d51bd7]	2590	}
	2591
	2592	virtual void visit( AttrType * ) override final {
[746ae82]	2593	assertf( false, "AttrType deprecated in new AST." );
[6d51bd7]	2594	}
	2595
[746ae82]	2596	virtual void visit( VarArgsType * old ) override final {
	2597	this->node = new ast::VarArgsType{ cv( old ) };
[6d51bd7]	2598	}
	2599
[746ae82]	2600	virtual void visit( ZeroType * old ) override final {
	2601	this->node = new ast::ZeroType{ cv( old ) };
[6d51bd7]	2602	}
	2603
[746ae82]	2604	virtual void visit( OneType * old ) override final {
	2605	this->node = new ast::OneType{ cv( old ) };
[6d51bd7]	2606	}
	2607
	2608	virtual void visit( GlobalScopeType * ) override final {
[746ae82]	2609	this->node = new ast::GlobalScopeType{};
[6d51bd7]	2610	}
	2611
[74ad8c0]	2612	virtual void visit( Designation * old ) override final {
	2613	this->node = new ast::Designation(
	2614	old->location,
	2615	GET_ACCEPT_V(designators, Expr)
	2616	);
[6d51bd7]	2617	}
	2618
[74ad8c0]	2619	virtual void visit( SingleInit * old ) override final {
	2620	this->node = new ast::SingleInit(
	2621	old->location,
	2622	GET_ACCEPT_1(value, Expr),
	2623	(old->get_maybeConstructed()) ? ast::MaybeConstruct : ast::DoConstruct
	2624	);
[6d51bd7]	2625	}
	2626
[74ad8c0]	2627	virtual void visit( ListInit * old ) override final {
	2628	this->node = new ast::ListInit(
	2629	old->location,
	2630	GET_ACCEPT_V(initializers, Init),
	2631	GET_ACCEPT_V(designations, Designation),
	2632	(old->get_maybeConstructed()) ? ast::MaybeConstruct : ast::DoConstruct
	2633	);
[6d51bd7]	2634	}
	2635
[74ad8c0]	2636	virtual void visit( ConstructorInit * old ) override final {
	2637	this->node = new ast::ConstructorInit(
	2638	old->location,
	2639	GET_ACCEPT_1(ctor, Stmt),
	2640	GET_ACCEPT_1(dtor, Stmt),
	2641	GET_ACCEPT_1(init, Init)
	2642	);
[6d51bd7]	2643	}
	2644
	2645	virtual void visit( Constant * ) override final {
[dd6d7c6]	2646	// Handled in visit( ConstantEpxr * ).
	2647	// In the new tree, Constant fields are inlined into containing ConstantExpression.
	2648	assert( 0 );
[6d51bd7]	2649	}
	2650
[dd6d7c6]	2651	virtual void visit( Attribute * old ) override final {
	2652	this->node = new ast::Attribute(
	2653	old->name,
	2654	GET_ACCEPT_V( parameters, Expr )
	2655	);
[6d51bd7]	2656	}
[b336af9]	2657
	2658	virtual void visit( AttrExpr * ) override final {
[dd6d7c6]	2659	assertf( false, "AttrExpr deprecated in new AST." );
[b336af9]	2660	}
[6d51bd7]	2661	};
	2662
[6f8e87d]	2663	#undef GET_LABELS_V
	2664	#undef GET_ACCEPT_V
	2665	#undef GET_ACCEPT_1
	2666
[74dbbf6]	2667	std::list< ast::ptr< ast::Decl > > convert( const std::list< Declaration * > && translationUnit ) {
[6d51bd7]	2668	ConverterOldToNew c;
	2669	std::list< ast::ptr< ast::Decl > > decls;
	2670	for(auto d : translationUnit) {
	2671	d->accept( c );
	2672	decls.emplace_back( c.decl() );
	2673	}
[8abee136]	2674	deleteAll(translationUnit);
[6d51bd7]	2675	return decls;
[6f8e87d]	2676	}

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