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source: src/AST/Convert.cpp@ b117e0c

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

Last change on this file since b117e0c was 05d55ff, checked in by Aaron Moss <a3moss@…>, 6 years ago
Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc
Property mode set to `100644`
File size: 73.0 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
[2a54479]	12	// Last Modified On : Thu May 06 19:51:00 2019
	13	// Update Count : 10
[6d51bd7]	14	//
	15
	16	#include "Convert.hpp"
	17
[60aaa51d]	18	#include <deque>
[d148778]	19	#include <unordered_map>
	20
[6d51bd7]	21	#include "AST/Attribute.hpp"
	22	#include "AST/Decl.hpp"
	23	#include "AST/Expr.hpp"
	24	#include "AST/Init.hpp"
	25	#include "AST/Stmt.hpp"
[172d9342]	26	#include "AST/TypeSubstitution.hpp"
[6d51bd7]	27
[157a816]	28	#include "SymTab/Autogen.h"
[6d51bd7]	29	#include "SynTree/Attribute.h"
	30	#include "SynTree/Declaration.h"
[172d9342]	31	#include "SynTree/TypeSubstitution.h"
[6d51bd7]	32
[0aedb01]	33	#include "Validate/FindSpecialDecls.h"
	34
[6d51bd7]	35	//================================================================================================
	36	// Utilities
	37	template<template <class...> class C>
	38	struct to {
	39	template<typename T>
	40	static auto from( T && v ) -> C< typename T::value_type > {
	41	C< typename T::value_type > l;
	42	std::move(std::begin(v), std::end(v), std::back_inserter(l));
	43	return l;
	44	}
	45	};
	46
[157a816]	47	//================================================================================================
	48	namespace {
	49
[043a5b6]	50	// This is to preserve the FindSpecialDecls hack. It does not (and perhaps should not)
[157a816]	51	// allow us to use the same stratagy in the new ast.
[2a54479]	52	ast::Type * sizeType = nullptr;
[157a816]	53	ast::FunctionDecl * dereferenceOperator = nullptr;
[043a5b6]	54	ast::StructDecl * dtorStruct = nullptr;
	55	ast::FunctionDecl * dtorStructDestroy = nullptr;
[157a816]	56
	57	}
	58
[6d51bd7]	59	//================================================================================================
[74dbbf6]	60	class ConverterNewToOld : public ast::Visitor {
[675d816]	61	BaseSyntaxNode * node = nullptr;
[b869ec5]	62	using Cache = std::unordered_map< const ast::Node , BaseSyntaxNode >;
	63	Cache cache;
[675d816]	64
[74dbbf6]	65	template<typename T>
[675d816]	66	struct Getter {
	67	ConverterNewToOld & visitor;
	68
[514a791]	69	template<typename U, enum ast::Node::ref_type R>
	70	T * accept1( const ast::ptr_base<U, R> & ptr ) {
[d148778]	71	if ( ! ptr ) return nullptr;
[675d816]	72	ptr->accept( visitor );
	73	T * ret = strict_dynamic_cast< T * >( visitor.node );
	74	visitor.node = nullptr;
	75	return ret;
	76	}
	77
	78	template<typename U>
	79	std::list< T * > acceptL( const U & container ) {
	80	std::list< T * > ret;
[d76c588]	81	for ( auto ptr : container ) {
[675d816]	82	ret.emplace_back( accept1( ptr ) );
	83	}
	84	return ret;
	85	}
	86	};
	87
	88	template<typename T>
	89	Getter<T> get() {
	90	return Getter<T>{ *this };
	91	}
	92
	93	Label makeLabel(Statement * labelled, const ast::Label& label) {
	94	return Label(
	95	label.name,
	96	labelled,
	97	get<Attribute>().acceptL(label.attributes)
	98	);
	99	}
	100
	101	template<template <class...> class C>
	102	std::list<Label> makeLabelL(Statement * labelled, const C<ast::Label>& labels) {
	103	std::list<Label> ret;
	104	for (auto label : labels) {
	105	ret.push_back( makeLabel(labelled, label) );
	106	}
[74dbbf6]	107	return ret;
	108	}
	109
[d148778]	110	/// get new qualifiers from old type
	111	Type::Qualifiers cv( const ast::Type * ty ) { return { ty->qualifiers.val }; }
	112
[b869ec5]	113	/// returns true and sets `node` if in cache
	114	bool inCache( const ast::Node * node ) {
	115	auto it = cache.find( node );
	116	if ( it == cache.end() ) return false;
	117	this->node = it->second;
	118	return true;
[d148778]	119	}
	120
[675d816]	121	public:
	122	Declaration * decl( const ast::Decl * declNode ) {
	123	return get<Declaration>().accept1( ast::ptr<ast::Decl>( declNode ) );
	124	}
[74dbbf6]	125
[675d816]	126	private:
[112fe04]	127	void declPostamble( Declaration * decl, const ast::Decl * node ) {
	128	decl->location = node->location;
	129	// name comes from constructor
	130	// linkage comes from constructor
	131	decl->extension = node->extension;
	132	decl->uniqueId = node->uniqueId;
	133	// storageClasses comes from constructor
	134	this->node = decl;
	135	}
	136
	137	const ast::DeclWithType * declWithTypePostamble (
	138	DeclarationWithType * decl, const ast::DeclWithType * node ) {
[f685679]	139	cache.emplace( node, decl );
[112fe04]	140	decl->mangleName = node->mangleName;
	141	decl->scopeLevel = node->scopeLevel;
	142	decl->asmName = get<Expression>().accept1( node->asmName );
	143	// attributes comes from constructor
	144	decl->isDeleted = node->isDeleted;
	145	// fs comes from constructor
[f685679]	146	declPostamble( decl, node );
[74dbbf6]	147	return nullptr;
	148	}
	149
[112fe04]	150	const ast::DeclWithType * visit( const ast::ObjectDecl * node ) override final {
[546e712]	151	auto&& bfwd = get<Expression>().accept1( node->bitfieldWidth );
	152	auto&& type = get<Type>().accept1( node->type );
	153	auto&& init = get<Initializer>().accept1( node->init );
	154	auto&& attr = get<Attribute>().acceptL( node->attributes );
	155	if ( inCache( node ) ) {
	156	if(node->name == "tmp") {
	157	std::cerr << (void)node << "(new) in cache " << (void)this->node << "(old)" << std::endl;
	158	}
	159	return nullptr;
	160	}
[112fe04]	161	auto decl = new ObjectDecl(
	162	node->name,
	163	Type::StorageClasses( node->storage.val ),
	164	LinkageSpec::Spec( node->linkage.val ),
[546e712]	165	bfwd,
	166	type,
	167	init,
	168	attr,
[112fe04]	169	Type::FuncSpecifiers( node->funcSpec.val )
	170	);
[546e712]	171	if(node->name == "tmp") {
	172	std::cerr << (void)node << "(new) created " << (void)decl << "(old)" << std::endl;
	173	}
[112fe04]	174	return declWithTypePostamble( decl, node );
	175	}
	176
[74dbbf6]	177	const ast::DeclWithType * visit( const ast::FunctionDecl * node ) override final {
[b869ec5]	178	if ( inCache( node ) ) return nullptr;
[112fe04]	179	auto decl = new FunctionDecl(
	180	node->name,
	181	Type::StorageClasses( node->storage.val ),
	182	LinkageSpec::Spec( node->linkage.val ),
	183	get<FunctionType>().accept1( node->type ),
[d88f8b3b]	184	{},
[112fe04]	185	get<Attribute>().acceptL( node->attributes ),
	186	Type::FuncSpecifiers( node->funcSpec.val )
	187	);
[d88f8b3b]	188	cache.emplace( node, decl );
	189	decl->statements = get<CompoundStmt>().accept1( node->stmts );
[112fe04]	190	decl->withExprs = get<Expression>().acceptL( node->withExprs );
[157a816]	191	if ( dereferenceOperator == node ) {
[0aedb01]	192	Validate::dereferenceOperator = decl;
[157a816]	193	}
[043a5b6]	194	if ( dtorStructDestroy == node ) {
	195	Validate::dtorStructDestroy = decl;
	196	}
[112fe04]	197	return declWithTypePostamble( decl, node );
[74dbbf6]	198	}
	199
[112fe04]	200	const ast::Decl * namedTypePostamble( NamedTypeDecl * decl, const ast::NamedTypeDecl * node ) {
	201	// base comes from constructor
	202	decl->parameters = get<TypeDecl>().acceptL( node->params );
	203	decl->assertions = get<DeclarationWithType>().acceptL( node->assertions );
[f685679]	204	declPostamble( decl, node );
[74dbbf6]	205	return nullptr;
	206	}
	207
[112fe04]	208	const ast::Decl * visit( const ast::TypeDecl * node ) override final {
[b869ec5]	209	if ( inCache( node ) ) return nullptr;
[112fe04]	210	auto decl = new TypeDecl(
	211	node->name,
	212	Type::StorageClasses( node->storage.val ),
	213	get<Type>().accept1( node->base ),
[b869ec5]	214	(TypeDecl::Kind)(unsigned)node->kind,
[112fe04]	215	node->sized,
	216	get<Type>().accept1( node->init )
	217	);
[b869ec5]	218	cache.emplace( node, decl );
[112fe04]	219	return namedTypePostamble( decl, node );
[74dbbf6]	220	}
	221
[112fe04]	222	const ast::Decl * visit( const ast::TypedefDecl * node ) override final {
	223	auto decl = new TypedefDecl(
	224	node->name,
	225	node->location,
	226	Type::StorageClasses( node->storage.val ),
	227	get<Type>().accept1( node->base ),
	228	LinkageSpec::Spec( node->linkage.val )
	229	);
	230	return namedTypePostamble( decl, node );
[74dbbf6]	231	}
	232
[112fe04]	233	const ast::Decl * aggregatePostamble( AggregateDecl * decl, const ast::AggregateDecl * node ) {
[f685679]	234	cache.emplace( node, decl );
[112fe04]	235	decl->members = get<Declaration>().acceptL( node->members );
	236	decl->parameters = get<TypeDecl>().acceptL( node->params );
	237	decl->body = node->body;
	238	// attributes come from constructor
[b869ec5]	239	decl->parent = get<AggregateDecl>().accept1( node->parent );
[f685679]	240	declPostamble( decl, node );
[74dbbf6]	241	return nullptr;
	242	}
	243
[112fe04]	244	const ast::Decl * visit( const ast::StructDecl * node ) override final {
[b869ec5]	245	if ( inCache( node ) ) return nullptr;
[112fe04]	246	auto decl = new StructDecl(
	247	node->name,
	248	node->kind,
	249	get<Attribute>().acceptL( node->attributes ),
	250	LinkageSpec::Spec( node->linkage.val )
	251	);
[043a5b6]	252
	253	if ( dtorStruct == node ) {
	254	Validate::dtorStruct = decl;
	255	}
	256
[112fe04]	257	return aggregatePostamble( decl, node );
[74dbbf6]	258	}
	259
[112fe04]	260	const ast::Decl * visit( const ast::UnionDecl * node ) override final {
[b869ec5]	261	if ( inCache( node ) ) return nullptr;
[112fe04]	262	auto decl = new UnionDecl(
	263	node->name,
	264	get<Attribute>().acceptL( node->attributes ),
	265	LinkageSpec::Spec( node->linkage.val )
	266	);
	267	return aggregatePostamble( decl, node );
	268	}
	269
	270	const ast::Decl * visit( const ast::EnumDecl * node ) override final {
[b869ec5]	271	if ( inCache( node ) ) return nullptr;
[112fe04]	272	auto decl = new EnumDecl(
	273	node->name,
	274	get<Attribute>().acceptL( node->attributes ),
	275	LinkageSpec::Spec( node->linkage.val )
	276	);
	277	return aggregatePostamble( decl, node );
	278	}
	279
	280	const ast::Decl * visit( const ast::TraitDecl * node ) override final {
[b869ec5]	281	if ( inCache( node ) ) return nullptr;
[112fe04]	282	auto decl = new TraitDecl(
	283	node->name,
	284	{},
	285	LinkageSpec::Spec( node->linkage.val )
	286	);
	287	return aggregatePostamble( decl, node );
[74dbbf6]	288	}
	289
	290	const ast::AsmDecl * visit( const ast::AsmDecl * node ) override final {
[112fe04]	291	auto decl = new AsmDecl( get<AsmStmt>().accept1( node->stmt ) );
	292	declPostamble( decl, node );
[74dbbf6]	293	return nullptr;
	294	}
	295
	296	const ast::StaticAssertDecl * visit( const ast::StaticAssertDecl * node ) override final {
[112fe04]	297	auto decl = new StaticAssertDecl(
	298	get<Expression>().accept1( node->cond ),
	299	get<ConstantExpr>().accept1( node->msg )
	300	);
	301	declPostamble( decl, node );
[74dbbf6]	302	return nullptr;
	303	}
	304
[112fe04]	305	const ast::Stmt * stmtPostamble( Statement * stmt, const ast::Stmt * node ) {
[f685679]	306	cache.emplace( node, stmt );
[675d816]	307	stmt->location = node->location;
	308	stmt->labels = makeLabelL( stmt, node->labels );
	309	this->node = stmt;
[74dbbf6]	310	return nullptr;
	311	}
	312
[112fe04]	313	const ast::CompoundStmt * visit( const ast::CompoundStmt * node ) override final {
[4073b16]	314	if ( inCache( node ) ) return nullptr;
[112fe04]	315	auto stmt = new CompoundStmt( get<Statement>().acceptL( node->kids ) );
	316	stmtPostamble( stmt, node );
	317	return nullptr;
	318	}
	319
[74dbbf6]	320	const ast::Stmt * visit( const ast::ExprStmt * node ) override final {
[4073b16]	321	if ( inCache( node ) ) return nullptr;
[f685679]	322	auto stmt = new ExprStmt( nullptr );
	323	cache.emplace( node, stmt );
	324	stmt->expr = get<Expression>().accept1( node->expr );
[112fe04]	325	return stmtPostamble( stmt, node );
[74dbbf6]	326	}
	327
	328	const ast::Stmt * visit( const ast::AsmStmt * node ) override final {
[4073b16]	329	if ( inCache( node ) ) return nullptr;
[675d816]	330	auto stmt = new AsmStmt(
	331	node->isVolatile,
	332	get<Expression>().accept1( node->instruction ),
	333	get<Expression>().acceptL( node->output ),
	334	get<Expression>().acceptL( node->input ),
	335	get<ConstantExpr>().acceptL( node->clobber ),
	336	makeLabelL( nullptr, node->gotoLabels ) // What are these labelling?
	337	);
[112fe04]	338	return stmtPostamble( stmt, node );
[74dbbf6]	339	}
	340
	341	const ast::Stmt * visit( const ast::DirectiveStmt * node ) override final {
[4073b16]	342	if ( inCache( node ) ) return nullptr;
[675d816]	343	auto stmt = new DirectiveStmt( node->directive );
[112fe04]	344	return stmtPostamble( stmt, node );
[74dbbf6]	345	}
	346
	347	const ast::Stmt * visit( const ast::IfStmt * node ) override final {
[4073b16]	348	if ( inCache( node ) ) return nullptr;
[675d816]	349	auto stmt = new IfStmt(
	350	get<Expression>().accept1( node->cond ),
	351	get<Statement>().accept1( node->thenPart ),
	352	get<Statement>().accept1( node->elsePart ),
	353	get<Statement>().acceptL( node->inits )
	354	);
[112fe04]	355	return stmtPostamble( stmt, node );
[74dbbf6]	356	}
	357
[675d816]	358	const ast::Stmt * visit( const ast::SwitchStmt * node ) override final {
[4073b16]	359	if ( inCache( node ) ) return nullptr;
[675d816]	360	auto stmt = new SwitchStmt(
	361	get<Expression>().accept1( node->cond ),
	362	get<Statement>().acceptL( node->stmts )
	363	);
[112fe04]	364	return stmtPostamble( stmt, node );
[74dbbf6]	365	}
	366
[675d816]	367	const ast::Stmt * visit( const ast::CaseStmt * node ) override final {
[4073b16]	368	if ( inCache( node ) ) return nullptr;
[675d816]	369	auto stmt = new CaseStmt(
	370	get<Expression>().accept1( node->cond ),
	371	get<Statement>().acceptL( node->stmts ),
	372	node->isDefault()
	373	);
[112fe04]	374	return stmtPostamble( stmt, node );
[74dbbf6]	375	}
	376
[675d816]	377	const ast::Stmt * visit( const ast::WhileStmt * node ) override final {
[4073b16]	378	if ( inCache( node ) ) return nullptr;
[675d816]	379	auto inits = get<Statement>().acceptL( node->inits );
	380	auto stmt = new WhileStmt(
	381	get<Expression>().accept1( node->cond ),
	382	get<Statement>().accept1( node->body ),
	383	inits,
	384	node->isDoWhile
	385	);
[112fe04]	386	return stmtPostamble( stmt, node );
[74dbbf6]	387	}
	388
[675d816]	389	const ast::Stmt * visit( const ast::ForStmt * node ) override final {
[4073b16]	390	if ( inCache( node ) ) return nullptr;
[675d816]	391	auto stmt = new ForStmt(
	392	get<Statement>().acceptL( node->inits ),
	393	get<Expression>().accept1( node->cond ),
	394	get<Expression>().accept1( node->inc ),
	395	get<Statement>().accept1( node->body )
	396	);
[112fe04]	397	return stmtPostamble( stmt, node );
[74dbbf6]	398	}
	399
	400	const ast::Stmt * visit( const ast::BranchStmt * node ) override final {
[4073b16]	401	if ( inCache( node ) ) return nullptr;
[675d816]	402	BranchStmt * stmt;
	403	if (node->computedTarget) {
	404	stmt = new BranchStmt( get<Expression>().accept1( node->computedTarget ),
	405	BranchStmt::Goto );
	406	} else {
	407	BranchStmt::Type type;
	408	switch (node->kind) {
	409	#define CASE(n) \
	410	case ast::BranchStmt::n: \
	411	type = BranchStmt::n; \
	412	break
	413	CASE(Goto);
	414	CASE(Break);
	415	CASE(Continue);
	416	CASE(FallThrough);
	417	CASE(FallThroughDefault);
	418	#undef CASE
	419	default:
	420	assertf(false, "Invalid ast::BranchStmt::Kind: %d\n", node->kind);
	421	}
	422
	423	// The labels here are also weird.
	424	stmt = new BranchStmt( makeLabel( nullptr, node->originalTarget ), type );
	425	stmt->target = makeLabel( stmt, node->target );
	426	}
[112fe04]	427	return stmtPostamble( stmt, node );
[74dbbf6]	428	}
	429
	430	const ast::Stmt * visit( const ast::ReturnStmt * node ) override final {
[4073b16]	431	if ( inCache( node ) ) return nullptr;
[675d816]	432	auto stmt = new ReturnStmt( get<Expression>().accept1( node->expr ) );
[112fe04]	433	return stmtPostamble( stmt, node );
[74dbbf6]	434	}
	435
	436	const ast::Stmt * visit( const ast::ThrowStmt * node ) override final {
[4073b16]	437	if ( inCache( node ) ) return nullptr;
[675d816]	438	ThrowStmt::Kind kind;
	439	switch (node->kind) {
[6f4b7f2]	440	case ast::ExceptionKind::Terminate:
[675d816]	441	kind = ThrowStmt::Terminate;
	442	break;
[6f4b7f2]	443	case ast::ExceptionKind::Resume:
[675d816]	444	kind = ThrowStmt::Resume;
	445	break;
	446	default:
	447	assertf(false, "Invalid ast::ThrowStmt::Kind: %d\n", node->kind);
	448	}
	449	auto stmt = new ThrowStmt(
	450	kind,
	451	get<Expression>().accept1( node->expr ),
	452	get<Expression>().accept1( node->target )
	453	);
[112fe04]	454	return stmtPostamble( stmt, node );
[74dbbf6]	455	}
	456
	457	const ast::Stmt * visit( const ast::TryStmt * node ) override final {
[4073b16]	458	if ( inCache( node ) ) return nullptr;
[675d816]	459	auto handlers = get<CatchStmt>().acceptL( node->handlers );
	460	auto stmt = new TryStmt(
	461	get<CompoundStmt>().accept1( node->body ),
	462	handlers,
	463	get<FinallyStmt>().accept1( node->finally )
	464	);
[112fe04]	465	return stmtPostamble( stmt, node );
[74dbbf6]	466	}
	467
	468	const ast::Stmt * visit( const ast::CatchStmt * node ) override final {
[4073b16]	469	if ( inCache( node ) ) return nullptr;
[675d816]	470	CatchStmt::Kind kind;
	471	switch (node->kind) {
[6f4b7f2]	472	case ast::ExceptionKind::Terminate:
[675d816]	473	kind = CatchStmt::Terminate;
	474	break;
[6f4b7f2]	475	case ast::ExceptionKind::Resume:
[675d816]	476	kind = CatchStmt::Resume;
	477	break;
	478	default:
	479	assertf(false, "Invalid ast::CatchStmt::Kind: %d\n", node->kind);
	480	}
	481	auto stmt = new CatchStmt(
	482	kind,
	483	get<Declaration>().accept1( node->decl ),
	484	get<Expression>().accept1( node->cond ),
	485	get<Statement>().accept1( node->body )
	486	);
[112fe04]	487	return stmtPostamble( stmt, node );
[74dbbf6]	488	}
	489
	490	const ast::Stmt * visit( const ast::FinallyStmt * node ) override final {
[4073b16]	491	if ( inCache( node ) ) return nullptr;
[675d816]	492	auto stmt = new FinallyStmt( get<CompoundStmt>().accept1( node->body ) );
[112fe04]	493	return stmtPostamble( stmt, node );
[74dbbf6]	494	}
	495
	496	const ast::Stmt * visit( const ast::WaitForStmt * node ) override final {
[4073b16]	497	if ( inCache( node ) ) return nullptr;
[675d816]	498	auto stmt = new WaitForStmt;
	499	stmt->clauses.reserve( node->clauses.size() );
	500	for ( auto clause : node->clauses ) {
	501	stmt->clauses.push_back({{
[e0016a5]	502	get<Expression>().accept1( clause.target.func ),
	503	get<Expression>().acceptL( clause.target.args ),
[675d816]	504	},
	505	get<Statement>().accept1( clause.stmt ),
	506	get<Expression>().accept1( clause.cond ),
	507	});
	508	}
	509	stmt->timeout = {
	510	get<Expression>().accept1( node->timeout.time ),
	511	get<Statement>().accept1( node->timeout.stmt ),
	512	get<Expression>().accept1( node->timeout.cond ),
	513	};
	514	stmt->orelse = {
	515	get<Statement>().accept1( node->orElse.stmt ),
	516	get<Expression>().accept1( node->orElse.cond ),
	517	};
[112fe04]	518	return stmtPostamble( stmt, node );
[74dbbf6]	519	}
	520
	521	const ast::Stmt * visit( const ast::WithStmt * node ) override final {
[4073b16]	522	if ( inCache( node ) ) return nullptr;
[675d816]	523	auto stmt = new WithStmt(
	524	get<Expression>().acceptL( node->exprs ),
	525	get<Statement>().accept1( node->stmt )
	526	);
[112fe04]	527	return stmtPostamble( stmt, node );
[74dbbf6]	528	}
	529
	530	const ast::NullStmt * visit( const ast::NullStmt * node ) override final {
[4073b16]	531	if ( inCache( node ) ) return nullptr;
[675d816]	532	auto stmt = new NullStmt();
[112fe04]	533	stmtPostamble( stmt, node );
[74dbbf6]	534	return nullptr;
	535	}
	536
	537	const ast::Stmt * visit( const ast::DeclStmt * node ) override final {
[4073b16]	538	if ( inCache( node ) ) return nullptr;
[675d816]	539	auto stmt = new DeclStmt( get<Declaration>().accept1( node->decl ) );
[112fe04]	540	return stmtPostamble( stmt, node );
[74dbbf6]	541	}
	542
	543	const ast::Stmt * visit( const ast::ImplicitCtorDtorStmt * node ) override final {
[4073b16]	544	if ( inCache( node ) ) return nullptr;
	545	auto stmt = new ImplicitCtorDtorStmt{
	546	get<Statement>().accept1( node->callStmt )
	547	};
	548	return stmtPostamble( stmt, node );
[74dbbf6]	549	}
	550
[19e567dd]	551	TypeSubstitution * convertTypeSubstitution(const ast::TypeSubstitution * src) {
	552
[f685679]	553	if (!src) return nullptr;
	554
[19e567dd]	555	TypeSubstitution *rslt = new TypeSubstitution();
	556
	557	for (decltype(src->begin()) src_i = src->begin(); src_i != src->end(); src_i++) {
	558	rslt->add( src_i->first,
	559	get<Type>().accept1(src_i->second) );
	560	}
	561
	562	for (decltype(src->beginVar()) src_i = src->beginVar(); src_i != src->endVar(); src_i++) {
	563	rslt->addVar( src_i->first,
	564	get<Expression>().accept1(src_i->second) );
	565	}
	566
	567	return rslt;
	568	}
	569
	570	void convertInferUnion(std::map<UniqueId,ParamEntry> &tgtInferParams,
	571	std::vector<UniqueId> &tgtResnSlots,
	572	const ast::Expr::InferUnion &srcInferred ) {
	573
	574	assert( tgtInferParams.empty() );
	575	assert( tgtResnSlots.empty() );
	576
	577	if ( srcInferred.mode == ast::Expr::InferUnion::Params ) {
[60aaa51d]	578	const ast::InferredParams &srcParams = srcInferred.inferParams();
[19e567dd]	579	for (auto srcParam : srcParams) {
	580	tgtInferParams[srcParam.first] = ParamEntry(
	581	srcParam.second.decl,
	582	get<Type>().accept1(srcParam.second.actualType),
	583	get<Type>().accept1(srcParam.second.formalType),
	584	get<Expression>().accept1(srcParam.second.expr)
	585	);
	586	}
	587	} else if ( srcInferred.mode == ast::Expr::InferUnion::Slots ) {
[60aaa51d]	588	const ast::ResnSlots &srcSlots = srcInferred.resnSlots();
[19e567dd]	589	for (auto srcSlot : srcSlots) {
	590	tgtResnSlots.push_back(srcSlot);
	591	}
	592	}
	593	}
	594
[20de6fb]	595	Expression * visitBaseExpr_skipResultType(const ast::Expr * src, Expression * tgt) {
[19e567dd]	596
[20de6fb]	597	tgt->location = src->location;
	598	tgt->env = convertTypeSubstitution(src->env);
[19e567dd]	599	tgt->extension = src->extension;
	600
[20de6fb]	601	convertInferUnion(tgt->inferParams, tgt->resnSlots, src->inferred);
[19e567dd]	602	return tgt;
	603	}
	604
[20de6fb]	605	Expression * visitBaseExpr(const ast::Expr * src, Expression * tgt) {
	606
	607	tgt->result = get<Type>().accept1(src->result);
	608	return visitBaseExpr_skipResultType(src, tgt);
	609	}
	610
[74dbbf6]	611	const ast::Expr * visit( const ast::ApplicationExpr * node ) override final {
[19e567dd]	612	auto expr = visitBaseExpr( node,
	613	new ApplicationExpr(
	614	get<Expression>().accept1(node->func),
	615	get<Expression>().acceptL(node->args)
	616	)
	617	);
	618	this->node = expr;
[74dbbf6]	619	return nullptr;
	620	}
	621
	622	const ast::Expr * visit( const ast::UntypedExpr * node ) override final {
[19e567dd]	623	auto expr = visitBaseExpr( node,
	624	new UntypedExpr(
	625	get<Expression>().accept1(node->func),
	626	get<Expression>().acceptL(node->args)
	627	)
	628	);
	629	this->node = expr;
[74dbbf6]	630	return nullptr;
	631	}
	632
	633	const ast::Expr * visit( const ast::NameExpr * node ) override final {
[19e567dd]	634	auto expr = visitBaseExpr( node,
	635	new NameExpr(
	636	node->name
	637	)
	638	);
	639	this->node = expr;
[74dbbf6]	640	return nullptr;
	641	}
	642
	643	const ast::Expr * visit( const ast::AddressExpr * node ) override final {
[28c89f4]	644	auto expr = visitBaseExpr( node,
	645	new AddressExpr(
	646	get<Expression>().accept1(node->arg)
	647	)
	648	);
	649	this->node = expr;
[74dbbf6]	650	return nullptr;
	651	}
	652
	653	const ast::Expr * visit( const ast::LabelAddressExpr * node ) override final {
[28c89f4]	654	auto expr = visitBaseExpr( node,
	655	new LabelAddressExpr(
	656	makeLabel(nullptr, node->arg)
	657	)
	658	);
	659	this->node = expr;
[74dbbf6]	660	return nullptr;
	661	}
	662
	663	const ast::Expr * visit( const ast::CastExpr * node ) override final {
[28c89f4]	664	auto expr = visitBaseExpr( node,
	665	new CastExpr(
	666	get<Expression>().accept1(node->arg),
	667	(node->isGenerated == ast::GeneratedCast)
	668	)
	669	);
	670	this->node = expr;
[74dbbf6]	671	return nullptr;
	672	}
	673
	674	const ast::Expr * visit( const ast::KeywordCastExpr * node ) override final {
[28c89f4]	675	KeywordCastExpr::Target castTarget = KeywordCastExpr::NUMBER_OF_TARGETS;
	676	switch (node->target) {
	677	case ast::KeywordCastExpr::Coroutine:
	678	castTarget = KeywordCastExpr::Coroutine;
	679	break;
	680	case ast::KeywordCastExpr::Thread:
	681	castTarget = KeywordCastExpr::Thread;
	682	break;
	683	case ast::KeywordCastExpr::Monitor:
	684	castTarget = KeywordCastExpr::Monitor;
	685	break;
	686	default:
	687	break;
	688	}
	689	assert ( castTarget < KeywordCastExpr::NUMBER_OF_TARGETS );
	690	auto expr = visitBaseExpr( node,
	691	new KeywordCastExpr(
	692	get<Expression>().accept1(node->arg),
	693	castTarget
	694	)
	695	);
	696	this->node = expr;
[74dbbf6]	697	return nullptr;
	698	}
	699
	700	const ast::Expr * visit( const ast::VirtualCastExpr * node ) override final {
[20de6fb]	701	auto expr = visitBaseExpr_skipResultType( node,
[28c89f4]	702	new VirtualCastExpr(
	703	get<Expression>().accept1(node->arg),
[20de6fb]	704	get<Type>().accept1(node->result)
[28c89f4]	705	)
	706	);
	707	this->node = expr;
[74dbbf6]	708	return nullptr;
	709	}
	710
	711	const ast::Expr * visit( const ast::UntypedMemberExpr * node ) override final {
[28c89f4]	712	auto expr = visitBaseExpr( node,
	713	new UntypedMemberExpr(
	714	get<Expression>().accept1(node->member),
	715	get<Expression>().accept1(node->aggregate)
	716	)
	717	);
	718	this->node = expr;
[74dbbf6]	719	return nullptr;
	720	}
	721
	722	const ast::Expr * visit( const ast::MemberExpr * node ) override final {
[28c89f4]	723	auto expr = visitBaseExpr( node,
	724	new MemberExpr(
[2a54479]	725	get<DeclarationWithType>().accept1(node->member),
[28c89f4]	726	get<Expression>().accept1(node->aggregate)
	727	)
	728	);
	729	this->node = expr;
[74dbbf6]	730	return nullptr;
	731	}
	732
	733	const ast::Expr * visit( const ast::VariableExpr * node ) override final {
[546e712]	734	auto expr = new VariableExpr();
	735	visitBaseExpr( node, expr );
	736	expr->var = get<DeclarationWithType>().accept1(node->var);
	737	Type * type = expr->var->get_type()->clone();
[0b73f0c]	738	if(FunctionType * ft = dynamic_cast<FunctionType*>(type)) {
	739	if(node->result.as<ast::PointerType>()) {
	740	type = new PointerType({}, ft);
	741	}
	742	}
	743
[546e712]	744	type->set_lvalue( true );
[0b73f0c]	745	expr->result = type ;
[28c89f4]	746	this->node = expr;
[74dbbf6]	747	return nullptr;
	748	}
	749
	750	const ast::Expr * visit( const ast::ConstantExpr * node ) override final {
[28c89f4]	751	ConstantExpr *rslt = nullptr;
[20a5977]	752	switch ( node->kind ) {
	753	case ast::ConstantExpr::Integer:
	754	rslt = new ConstantExpr{Constant{
	755	get<Type>().accept1( node->result ),
[28c89f4]	756	node->rep,
	757	(unsigned long long) node->intValue()
[20a5977]	758	}};
	759	break;
	760	case ast::ConstantExpr::FloatingPoint:
	761	rslt = new ConstantExpr{Constant{
[28c89f4]	762	get<Type>().accept1(node->result),
	763	node->rep,
	764	(double) node->floatValue()
[20a5977]	765	}};
	766	break;
	767	case ast::ConstantExpr::String:
[8568319]	768	rslt = new ConstantExpr{Constant{
	769	get<Type>().accept1( node->result ),
	770	node->rep,
	771	(long long unsigned int)0
	772	}};
[20a5977]	773	break;
[28c89f4]	774	}
	775	assert(rslt);
	776	auto expr = visitBaseExpr( node, rslt );
	777	this->node = expr;
[74dbbf6]	778	return nullptr;
	779	}
	780
	781	const ast::Expr * visit( const ast::SizeofExpr * node ) override final {
[28c89f4]	782	assert (node->expr \|\| node->type);
	783	assert (! (node->expr && node->type));
	784	SizeofExpr *rslt;
	785	if (node->expr) {
	786	rslt = new SizeofExpr(
	787	get<Expression>().accept1(node->expr)
	788	);
	789	assert (!rslt->isType);
	790	}
[0b73f0c]	791	else {
	792	assert(node->type);
[28c89f4]	793	rslt = new SizeofExpr(
	794	get<Type>().accept1(node->type)
	795	);
	796	assert (rslt->isType);
	797	}
	798	auto expr = visitBaseExpr( node, rslt );
	799	this->node = expr;
[74dbbf6]	800	return nullptr;
	801	}
	802
	803	const ast::Expr * visit( const ast::AlignofExpr * node ) override final {
[28c89f4]	804	assert (node->expr \|\| node->type);
	805	assert (! (node->expr && node->type));
	806	AlignofExpr *rslt;
	807	if (node->expr) {
	808	rslt = new AlignofExpr(
	809	get<Expression>().accept1(node->expr)
	810	);
	811	assert (!rslt->isType);
	812	}
[0b73f0c]	813	else {
	814	assert(node->type);
[28c89f4]	815	rslt = new AlignofExpr(
	816	get<Type>().accept1(node->type)
	817	);
	818	assert (rslt->isType);
	819	}
	820	auto expr = visitBaseExpr( node, rslt );
	821	this->node = expr;
[74dbbf6]	822	return nullptr;
	823	}
	824
	825	const ast::Expr * visit( const ast::UntypedOffsetofExpr * node ) override final {
[28c89f4]	826	auto expr = visitBaseExpr( node,
	827	new UntypedOffsetofExpr(
	828	get<Type>().accept1(node->type),
	829	node->member
	830	)
	831	);
	832	this->node = expr;
[74dbbf6]	833	return nullptr;
	834	}
	835
	836	const ast::Expr * visit( const ast::OffsetofExpr * node ) override final {
[28c89f4]	837	auto expr = visitBaseExpr( node,
	838	new OffsetofExpr(
	839	get<Type>().accept1(node->type),
[2a54479]	840	get<DeclarationWithType>().accept1(node->member)
[28c89f4]	841	)
	842	);
	843	this->node = expr;
[74dbbf6]	844	return nullptr;
	845	}
	846
	847	const ast::Expr * visit( const ast::OffsetPackExpr * node ) override final {
[28c89f4]	848	auto expr = visitBaseExpr( node,
	849	new OffsetPackExpr(
	850	get<StructInstType>().accept1(node->type)
	851	)
	852	);
	853	this->node = expr;
[74dbbf6]	854	return nullptr;
	855	}
	856
	857	const ast::Expr * visit( const ast::LogicalExpr * node ) override final {
[28c89f4]	858	assert (node->isAnd == ast::LogicalFlag::AndExpr \|\|
	859	node->isAnd == ast::LogicalFlag::OrExpr );
	860	auto expr = visitBaseExpr( node,
	861	new LogicalExpr(
	862	get<Expression>().accept1(node->arg1),
	863	get<Expression>().accept1(node->arg2),
	864	(node->isAnd == ast::LogicalFlag::AndExpr)
	865	)
	866	);
	867	this->node = expr;
[74dbbf6]	868	return nullptr;
	869	}
	870
	871	const ast::Expr * visit( const ast::ConditionalExpr * node ) override final {
[28c89f4]	872	auto expr = visitBaseExpr( node,
	873	new ConditionalExpr(
	874	get<Expression>().accept1(node->arg1),
	875	get<Expression>().accept1(node->arg2),
	876	get<Expression>().accept1(node->arg3)
	877	)
	878	);
	879	this->node = expr;
[74dbbf6]	880	return nullptr;
	881	}
	882
	883	const ast::Expr * visit( const ast::CommaExpr * node ) override final {
[28c89f4]	884	auto expr = visitBaseExpr( node,
	885	new CommaExpr(
	886	get<Expression>().accept1(node->arg1),
	887	get<Expression>().accept1(node->arg2)
	888	)
	889	);
	890	this->node = expr;
[74dbbf6]	891	return nullptr;
	892	}
	893
	894	const ast::Expr * visit( const ast::TypeExpr * node ) override final {
[20de6fb]	895	auto expr = visitBaseExpr( node,
	896	new TypeExpr(
	897	get<Type>().accept1(node->type)
	898	)
	899	);
	900	this->node = expr;
[74dbbf6]	901	return nullptr;
	902	}
	903
	904	const ast::Expr * visit( const ast::AsmExpr * node ) override final {
[20de6fb]	905	auto expr = visitBaseExpr( node,
	906	new AsmExpr(
	907	get<Expression>().accept1(node->inout),
	908	get<Expression>().accept1(node->constraint),
	909	get<Expression>().accept1(node->operand)
	910	)
	911	);
	912	this->node = expr;
[74dbbf6]	913	return nullptr;
	914	}
	915
	916	const ast::Expr * visit( const ast::ImplicitCopyCtorExpr * node ) override final {
[20de6fb]	917	auto rslt = new ImplicitCopyCtorExpr(
	918	get<ApplicationExpr>().accept1(node->callExpr)
	919	);
	920
	921	auto expr = visitBaseExpr( node, rslt );
	922	this->node = expr;
[74dbbf6]	923	return nullptr;
	924	}
	925
	926	const ast::Expr * visit( const ast::ConstructorExpr * node ) override final {
[20de6fb]	927	auto expr = visitBaseExpr( node,
	928	new ConstructorExpr(
	929	get<Expression>().accept1(node->callExpr)
	930	)
	931	);
	932	this->node = expr;
[74dbbf6]	933	return nullptr;
	934	}
	935
	936	const ast::Expr * visit( const ast::CompoundLiteralExpr * node ) override final {
[20de6fb]	937	auto expr = visitBaseExpr_skipResultType( node,
	938	new CompoundLiteralExpr(
	939	get<Type>().accept1(node->result),
	940	get<Initializer>().accept1(node->init)
	941	)
	942	);
	943	this->node = expr;
[74dbbf6]	944	return nullptr;
	945	}
	946
	947	const ast::Expr * visit( const ast::RangeExpr * node ) override final {
[20de6fb]	948	auto expr = visitBaseExpr( node,
	949	new RangeExpr(
	950	get<Expression>().accept1(node->low),
	951	get<Expression>().accept1(node->high)
	952	)
	953	);
	954	this->node = expr;
[74dbbf6]	955	return nullptr;
	956	}
	957
	958	const ast::Expr * visit( const ast::UntypedTupleExpr * node ) override final {
[20de6fb]	959	auto expr = visitBaseExpr( node,
	960	new UntypedTupleExpr(
	961	get<Expression>().acceptL(node->exprs)
	962	)
	963	);
	964	this->node = expr;
[74dbbf6]	965	return nullptr;
	966	}
	967
	968	const ast::Expr * visit( const ast::TupleExpr * node ) override final {
[20de6fb]	969	auto expr = visitBaseExpr( node,
	970	new UntypedTupleExpr(
	971	get<Expression>().acceptL(node->exprs)
	972	)
	973	);
	974	this->node = expr;
[74dbbf6]	975	return nullptr;
	976	}
	977
	978	const ast::Expr * visit( const ast::TupleIndexExpr * node ) override final {
[20de6fb]	979	auto expr = visitBaseExpr( node,
	980	new TupleIndexExpr(
	981	get<Expression>().accept1(node->tuple),
	982	node->index
	983	)
	984	);
	985	this->node = expr;
[74dbbf6]	986	return nullptr;
	987	}
	988
	989	const ast::Expr * visit( const ast::TupleAssignExpr * node ) override final {
[20de6fb]	990	auto expr = visitBaseExpr( node,
	991	new TupleAssignExpr(
	992	get<StmtExpr>().accept1(node->stmtExpr)
	993	)
	994	);
	995	this->node = expr;
[74dbbf6]	996	return nullptr;
	997	}
	998
	999	const ast::Expr * visit( const ast::StmtExpr * node ) override final {
[20de6fb]	1000	auto rslt = new StmtExpr(
	1001	get<CompoundStmt>().accept1(node->stmts)
	1002	);
	1003
	1004	rslt->returnDecls = get<ObjectDecl>().acceptL(node->returnDecls);
	1005	rslt->dtors = get<Expression>().acceptL(node->dtors);
	1006
	1007	auto expr = visitBaseExpr( node, rslt );
	1008	this->node = expr;
[74dbbf6]	1009	return nullptr;
	1010	}
	1011
	1012	const ast::Expr * visit( const ast::UniqueExpr * node ) override final {
[20de6fb]	1013	auto rslt = new UniqueExpr(
	1014	get<Expression>().accept1(node->expr)
	1015	);
	1016
	1017	rslt->object = get<ObjectDecl> ().accept1(node->object);
	1018	rslt->var = get<VariableExpr>().accept1(node->var);
	1019
	1020	auto expr = visitBaseExpr( node, rslt );
	1021	this->node = expr;
[74dbbf6]	1022	return nullptr;
	1023	}
	1024
	1025	const ast::Expr * visit( const ast::UntypedInitExpr * node ) override final {
[20de6fb]	1026	std::list<InitAlternative> initAlts;
	1027	for (auto ia : node->initAlts) {
	1028	initAlts.push_back(InitAlternative(
	1029	get<Type> ().accept1(ia.type),
	1030	get<Designation>().accept1(ia.designation)
	1031	));
	1032	}
	1033	auto expr = visitBaseExpr( node,
	1034	new UntypedInitExpr(
	1035	get<Expression>().accept1(node->expr),
	1036	initAlts
	1037	)
	1038	);
	1039	this->node = expr;
[74dbbf6]	1040	return nullptr;
	1041	}
	1042
	1043	const ast::Expr * visit( const ast::InitExpr * node ) override final {
[20de6fb]	1044	auto expr = visitBaseExpr( node,
	1045	new InitExpr(
	1046	get<Expression>().accept1(node->expr),
	1047	get<Designation>().accept1(node->designation)
	1048	)
	1049	);
	1050	this->node = expr;
[74dbbf6]	1051	return nullptr;
	1052	}
	1053
	1054	const ast::Expr * visit( const ast::DeletedExpr * node ) override final {
[20de6fb]	1055	auto expr = visitBaseExpr( node,
	1056	new DeletedExpr(
	1057	get<Expression>().accept1(node->expr),
	1058	inCache(node->deleteStmt) ?
	1059	this->node :
	1060	get<BaseSyntaxNode>().accept1(node->deleteStmt)
	1061	)
	1062	);
	1063	this->node = expr;
[74dbbf6]	1064	return nullptr;
	1065	}
	1066
	1067	const ast::Expr * visit( const ast::DefaultArgExpr * node ) override final {
[20de6fb]	1068	auto expr = visitBaseExpr( node,
	1069	new DefaultArgExpr(
	1070	get<Expression>().accept1(node->expr)
	1071	)
	1072	);
	1073	this->node = expr;
[74dbbf6]	1074	return nullptr;
	1075	}
	1076
	1077	const ast::Expr * visit( const ast::GenericExpr * node ) override final {
[20de6fb]	1078	std::list<GenericExpr::Association> associations;
	1079	for (auto association : node->associations) {
	1080	associations.push_back(GenericExpr::Association(
	1081	get<Type> ().accept1(association.type),
	1082	get<Expression>().accept1(association.expr)
	1083	));
	1084	}
	1085	auto expr = visitBaseExpr( node,
	1086	new GenericExpr(
	1087	get<Expression>().accept1(node->control),
	1088	associations
	1089	)
	1090	);
	1091	this->node = expr;
[74dbbf6]	1092	return nullptr;
	1093	}
	1094
	1095	const ast::Type * visit( const ast::VoidType * node ) override final {
[d148778]	1096	this->node = new VoidType{ cv( node ) };
[74dbbf6]	1097	return nullptr;
	1098	}
	1099
	1100	const ast::Type * visit( const ast::BasicType * node ) override final {
[2a54479]	1101	auto type = new BasicType{ cv( node ), (BasicType::Kind)(unsigned)node->kind };
	1102	// I believe this should always be a BasicType.
	1103	if ( sizeType == node ) {
	1104	Validate::SizeType = type;
	1105	}
	1106	this->node = type;
[74dbbf6]	1107	return nullptr;
	1108	}
	1109
	1110	const ast::Type * visit( const ast::PointerType * node ) override final {
[d148778]	1111	this->node = new PointerType{
	1112	cv( node ),
	1113	get<Type>().accept1( node->base ),
	1114	get<Expression>().accept1( node->dimension ),
[746ae82]	1115	(bool)node->isVarLen,
	1116	(bool)node->isStatic
[d148778]	1117	};
[74dbbf6]	1118	return nullptr;
	1119	}
	1120
	1121	const ast::Type * visit( const ast::ArrayType * node ) override final {
[d148778]	1122	this->node = new ArrayType{
	1123	cv( node ),
	1124	get<Type>().accept1( node->base ),
	1125	get<Expression>().accept1( node->dimension ),
[746ae82]	1126	(bool)node->isVarLen,
	1127	(bool)node->isStatic
[d148778]	1128	};
[74dbbf6]	1129	return nullptr;
	1130	}
	1131
	1132	const ast::Type * visit( const ast::ReferenceType * node ) override final {
[d148778]	1133	this->node = new ReferenceType{
	1134	cv( node ),
	1135	get<Type>().accept1( node->base )
	1136	};
[74dbbf6]	1137	return nullptr;
	1138	}
	1139
	1140	const ast::Type * visit( const ast::QualifiedType * node ) override final {
[d148778]	1141	this->node = new QualifiedType{
	1142	cv( node ),
	1143	get<Type>().accept1( node->parent ),
	1144	get<Type>().accept1( node->child )
	1145	};
[74dbbf6]	1146	return nullptr;
	1147	}
	1148
	1149	const ast::Type * visit( const ast::FunctionType * node ) override final {
[746ae82]	1150	auto ty = new FunctionType {
[0b57626]	1151	cv( node ),
[746ae82]	1152	(bool)node->isVarArgs
	1153	};
[d148778]	1154	ty->returnVals = get<DeclarationWithType>().acceptL( node->returns );
	1155	ty->parameters = get<DeclarationWithType>().acceptL( node->params );
	1156	ty->forall = get<TypeDecl>().acceptL( node->forall );
[514a791]	1157	this->node = ty;
[74dbbf6]	1158	return nullptr;
	1159	}
	1160
[b869ec5]	1161	void postvisit( const ast::ReferenceToType * old, ReferenceToType * ty ) {
	1162	ty->forall = get<TypeDecl>().acceptL( old->forall );
	1163	ty->parameters = get<Expression>().acceptL( old->params );
	1164	ty->hoistType = old->hoistType;
	1165	}
	1166
[74dbbf6]	1167	const ast::Type * visit( const ast::StructInstType * node ) override final {
[b869ec5]	1168	StructInstType * ty;
	1169	if ( node->base ) {
	1170	ty = new StructInstType{
	1171	cv( node ),
	1172	get<StructDecl>().accept1( node->base ),
	1173	get<Attribute>().acceptL( node->attributes )
	1174	};
	1175	} else {
	1176	ty = new StructInstType{
	1177	cv( node ),
	1178	node->name,
	1179	get<Attribute>().acceptL( node->attributes )
	1180	};
	1181	}
	1182	postvisit( node, ty );
	1183	this->node = ty;
[74dbbf6]	1184	return nullptr;
	1185	}
	1186
	1187	const ast::Type * visit( const ast::UnionInstType * node ) override final {
[b869ec5]	1188	UnionInstType * ty;
	1189	if ( node->base ) {
	1190	ty = new UnionInstType{
	1191	cv( node ),
	1192	get<UnionDecl>().accept1( node->base ),
	1193	get<Attribute>().acceptL( node->attributes )
	1194	};
	1195	} else {
	1196	ty = new UnionInstType{
	1197	cv( node ),
	1198	node->name,
	1199	get<Attribute>().acceptL( node->attributes )
	1200	};
	1201	}
	1202	postvisit( node, ty );
	1203	this->node = ty;
[74dbbf6]	1204	return nullptr;
	1205	}
	1206
	1207	const ast::Type * visit( const ast::EnumInstType * node ) override final {
[b869ec5]	1208	EnumInstType * ty;
	1209	if ( node->base ) {
	1210	ty = new EnumInstType{
	1211	cv( node ),
	1212	get<EnumDecl>().accept1( node->base ),
	1213	get<Attribute>().acceptL( node->attributes )
	1214	};
	1215	} else {
	1216	ty = new EnumInstType{
	1217	cv( node ),
	1218	node->name,
	1219	get<Attribute>().acceptL( node->attributes )
	1220	};
	1221	}
	1222	postvisit( node, ty );
	1223	this->node = ty;
[74dbbf6]	1224	return nullptr;
	1225	}
	1226
	1227	const ast::Type * visit( const ast::TraitInstType * node ) override final {
[b869ec5]	1228	TraitInstType * ty;
	1229	if ( node->base ) {
	1230	ty = new TraitInstType{
	1231	cv( node ),
	1232	get<TraitDecl>().accept1( node->base ),
	1233	get<Attribute>().acceptL( node->attributes )
	1234	};
	1235	} else {
	1236	ty = new TraitInstType{
	1237	cv( node ),
	1238	node->name,
	1239	get<Attribute>().acceptL( node->attributes )
	1240	};
	1241	}
	1242	postvisit( node, ty );
	1243	this->node = ty;
[74dbbf6]	1244	return nullptr;
	1245	}
	1246
	1247	const ast::Type * visit( const ast::TypeInstType * node ) override final {
[b869ec5]	1248	TypeInstType * ty;
	1249	if ( node->base ) {
	1250	ty = new TypeInstType{
	1251	cv( node ),
	1252	node->name,
	1253	get<TypeDecl>().accept1( node->base ),
	1254	get<Attribute>().acceptL( node->attributes )
	1255	};
	1256	} else {
	1257	ty = new TypeInstType{
	1258	cv( node ),
	1259	node->name,
	1260	node->kind == ast::TypeVar::Ftype,
	1261	get<Attribute>().acceptL( node->attributes )
	1262	};
	1263	}
	1264	postvisit( node, ty );
	1265	this->node = ty;
[74dbbf6]	1266	return nullptr;
	1267	}
	1268
	1269	const ast::Type * visit( const ast::TupleType * node ) override final {
[746ae82]	1270	this->node = new TupleType{
	1271	cv( node ),
	1272	get<Type>().acceptL( node->types )
	1273	// members generated by TupleType c'tor
	1274	};
[74dbbf6]	1275	return nullptr;
	1276	}
	1277
	1278	const ast::Type * visit( const ast::TypeofType * node ) override final {
[746ae82]	1279	this->node = new TypeofType{
	1280	cv( node ),
	1281	get<Expression>().accept1( node->expr ),
	1282	(bool)node->kind
	1283	};
[74dbbf6]	1284	return nullptr;
	1285	}
	1286
	1287	const ast::Type * visit( const ast::VarArgsType * node ) override final {
[746ae82]	1288	this->node = new VarArgsType{ cv( node ) };
[74dbbf6]	1289	return nullptr;
	1290	}
	1291
	1292	const ast::Type * visit( const ast::ZeroType * node ) override final {
[746ae82]	1293	this->node = new ZeroType{ cv( node ) };
[74dbbf6]	1294	return nullptr;
	1295	}
	1296
	1297	const ast::Type * visit( const ast::OneType * node ) override final {
[746ae82]	1298	this->node = new OneType{ cv( node ) };
[74dbbf6]	1299	return nullptr;
	1300	}
	1301
[746ae82]	1302	const ast::Type * visit( const ast::GlobalScopeType * ) override final {
	1303	this->node = new GlobalScopeType{};
[74dbbf6]	1304	return nullptr;
	1305	}
	1306
	1307	const ast::Designation * visit( const ast::Designation * node ) override final {
[74ad8c0]	1308	auto designation = new Designation( get<Expression>().acceptL( node->designators ) );
	1309	designation->location = node->location;
	1310	this->node = designation;
[74dbbf6]	1311	return nullptr;
	1312	}
	1313
	1314	const ast::Init * visit( const ast::SingleInit * node ) override final {
[74ad8c0]	1315	auto init = new SingleInit(
	1316	get<Expression>().accept1( node->value ),
	1317	ast::MaybeConstruct == node->maybeConstructed
	1318	);
	1319	init->location = node->location;
	1320	this->node = init;
[74dbbf6]	1321	return nullptr;
	1322	}
	1323
	1324	const ast::Init * visit( const ast::ListInit * node ) override final {
[74ad8c0]	1325	auto init = new ListInit(
	1326	get<Initializer>().acceptL( node->initializers ),
	1327	get<Designation>().acceptL( node->designations ),
	1328	ast::MaybeConstruct == node->maybeConstructed
	1329	);
	1330	init->location = node->location;
	1331	this->node = init;
[74dbbf6]	1332	return nullptr;
	1333	}
	1334
	1335	const ast::Init * visit( const ast::ConstructorInit * node ) override final {
[74ad8c0]	1336	auto init = new ConstructorInit(
	1337	get<Statement>().accept1( node->ctor ),
	1338	get<Statement>().accept1( node->dtor ),
	1339	get<Initializer>().accept1( node->init )
	1340	);
	1341	init->location = node->location;
	1342	this->node = init;
[74dbbf6]	1343	return nullptr;
	1344	}
	1345
	1346	const ast::Attribute * visit( const ast::Attribute * node ) override final {
[dd6d7c6]	1347	auto attr = new Attribute(
	1348	node->name,
[489bacf]	1349	get<Expression>().acceptL(node->params)
[dd6d7c6]	1350	);
	1351	this->node = attr;
[74dbbf6]	1352	return nullptr;
	1353	}
	1354
	1355	const ast::TypeSubstitution * visit( const ast::TypeSubstitution * node ) override final {
[dd6d7c6]	1356	// Handled by convertTypeSubstitution helper instead.
	1357	// TypeSubstitution is not a node in the old model, so the conversion result wouldn't fit in this->node.
	1358	assert( 0 );
[0b57626]	1359	(void)node;
[74dbbf6]	1360	return nullptr;
	1361	}
[6d51bd7]	1362	};
	1363
[8abee136]	1364	std::list< Declaration * > convert( const std::list< ast::ptr< ast::Decl > > && translationUnit ) {
[74dbbf6]	1365	ConverterNewToOld c;
	1366	std::list< Declaration * > decls;
	1367	for(auto d : translationUnit) {
[675d816]	1368	decls.emplace_back( c.decl( d ) );
[74dbbf6]	1369	}
	1370	return decls;
[6d51bd7]	1371	}
	1372
	1373	//================================================================================================
	1374
	1375	class ConverterOldToNew : public Visitor {
	1376	public:
	1377	ast::Decl * decl() {
	1378	return strict_dynamic_cast< ast::Decl * >( node );
	1379	}
[546e712]	1380
	1381	ConverterOldToNew() = default;
	1382	ConverterOldToNew(const ConverterOldToNew &) = delete;
	1383	ConverterOldToNew(ConverterOldToNew &&) = delete;
[6d51bd7]	1384	private:
[d148778]	1385	/// conversion output
[546e712]	1386	ast::Node * node = nullptr;
[d148778]	1387	/// cache of nodes that might be referenced by readonly<> for de-duplication
[546e712]	1388	std::unordered_map< BaseSyntaxNode , ast::Node > cache = {};
[6d51bd7]	1389
[6f8e87d]	1390	// Local Utilities:
	1391
[546e712]	1392	#define construct(T, key, ...) ({ \
	1393	void * data = ::operator new(sizeof(T)); \
	1394	cache.emplace( key, (T*)data ); \
	1395	new (data) T( __VA_ARGS__ ); \
	1396	})
	1397
[6f8e87d]	1398	template<typename NewT, typename OldT>
	1399	NewT * getAccept1( OldT old ) {
[d148778]	1400	if ( ! old ) return nullptr;
[6f8e87d]	1401	old->accept(*this);
[2c04369]	1402	ast::Node * ret = node;
	1403	node = nullptr;
	1404	return strict_dynamic_cast< NewT * >( ret );
[6f8e87d]	1405	}
	1406
	1407	# define GET_ACCEPT_1(child, type) \
	1408	getAccept1< ast::type, decltype( old->child ) >( old->child )
	1409
	1410	template<typename NewT, typename OldC>
	1411	std::vector< ast::ptr<NewT> > getAcceptV( OldC& old ) {
	1412	std::vector< ast::ptr<NewT> > ret;
	1413	ret.reserve( old.size() );
	1414	for ( auto a : old ) {
	1415	a->accept( *this );
	1416	ret.emplace_back( strict_dynamic_cast< NewT * >(node) );
[2c04369]	1417	node = nullptr;
[6f8e87d]	1418	}
	1419	return ret;
	1420	}
	1421
	1422	# define GET_ACCEPT_V(child, type) \
	1423	getAcceptV< ast::type, decltype( old->child ) >( old->child )
[60aaa51d]	1424
	1425	template<typename NewT, typename OldC>
	1426	std::deque< ast::ptr<NewT> > getAcceptD( OldC& old ) {
	1427	std::deque< ast::ptr<NewT> > ret;
	1428	for ( auto a : old ) {
	1429	a->accept( *this );
	1430	ret.emplace_back( strict_dynamic_cast< NewT * >(node) );
	1431	node = nullptr;
	1432	}
	1433	return ret;
	1434	}
	1435
	1436	# define GET_ACCEPT_D(child, type) \
	1437	getAcceptD< ast::type, decltype( old->child ) >( old->child )
[6f8e87d]	1438
	1439	ast::Label make_label(Label* old) {
	1440	return ast::Label(
	1441	old->labelled->location,
	1442	old->name,
	1443	GET_ACCEPT_V(attributes, Attribute)
	1444	);
	1445	}
	1446
[6d51bd7]	1447	template<template <class...> class C>
	1448	C<ast::Label> make_labels(C<Label> olds) {
	1449	C<ast::Label> ret;
[6f8e87d]	1450	for (auto oldn : olds) {
	1451	ret.push_back( make_label( &oldn ) );
[6d51bd7]	1452	}
	1453	return ret;
	1454	}
	1455
[6f8e87d]	1456	# define GET_LABELS_V(labels) \
	1457	to<std::vector>::from( make_labels( std::move( labels ) ) )
[0b57626]	1458
[d148778]	1459	static ast::CV::Qualifiers cv( Type * ty ) { return { ty->get_qualifiers().val }; }
	1460
[b869ec5]	1461	/// returns true and sets `node` if in cache
	1462	bool inCache( BaseSyntaxNode * old ) {
[d148778]	1463	auto it = cache.find( old );
[b869ec5]	1464	if ( it == cache.end() ) return false;
	1465	node = it->second;
	1466	return true;
[d148778]	1467	}
[6f8e87d]	1468
	1469	// Now all the visit functions:
	1470
[6d51bd7]	1471	virtual void visit( ObjectDecl * old ) override final {
[546e712]	1472	if( old->name == "tmp" ) {
	1473	std::cerr << "building parameters for" << (void*)old << std::endl;
	1474	}
	1475	auto&& type = GET_ACCEPT_1(type, Type);
	1476	auto&& init = GET_ACCEPT_1(init, Init);
	1477	auto&& bfwd = GET_ACCEPT_1(bitfieldWidth, Expr);
	1478	auto&& attr = GET_ACCEPT_V(attributes, Attribute);
	1479	if( old->name == "tmp" ) {
	1480	std::cerr << "checking cache for " << (void*)old << std::endl;
	1481	}
	1482	if ( inCache( old ) ) {
	1483	if( old->name == "tmp" ) {
	1484	std::cerr << (void)old << "(old) in cache " << (void)this->node << "(new)" << std::endl;
	1485	}
	1486	return;
	1487	}
[6d51bd7]	1488	auto decl = new ast::ObjectDecl(
	1489	old->location,
	1490	old->name,
[546e712]	1491	type,
	1492	init,
[6d51bd7]	1493	{ old->get_storageClasses().val },
	1494	{ old->linkage.val },
[546e712]	1495	bfwd,
	1496	std::move(attr),
[6d51bd7]	1497	{ old->get_funcSpec().val }
	1498	);
[546e712]	1499	cache.emplace(old, decl);
	1500	if( old->name == "tmp" ) {
	1501	std::cerr << (void)old << "(old) added to cache with " << (void)decl << "(new)" << std::endl;
	1502	}
	1503	assert(cache.find( old ) != cache.end());
[6d51bd7]	1504	decl->scopeLevel = old->scopeLevel;
	1505	decl->mangleName = old->mangleName;
	1506	decl->isDeleted = old->isDeleted;
	1507	decl->uniqueId = old->uniqueId;
	1508	decl->extension = old->extension;
	1509
	1510	this->node = decl;
[546e712]	1511
	1512	if( old->name == "tmp" ) {
	1513	std::cerr << (void)old << "(old) created " << (void)this->node << "(new)" << std::endl;
	1514	}
[6d51bd7]	1515	}
	1516
[b869ec5]	1517	virtual void visit( FunctionDecl * old ) override final {
	1518	if ( inCache( old ) ) return;
[9a0cd9c]	1519	auto decl = new ast::FunctionDecl{
	1520	old->location,
	1521	old->name,
	1522	GET_ACCEPT_1(type, FunctionType),
[d88f8b3b]	1523	{},
[9a0cd9c]	1524	{ old->storageClasses.val },
	1525	{ old->linkage.val },
	1526	GET_ACCEPT_V(attributes, Attribute),
	1527	{ old->get_funcSpec().val }
	1528	};
[8abee136]	1529	cache.emplace( old, decl );
[d76c588]	1530	decl->withExprs = GET_ACCEPT_V(withExprs, Expr);
[d88f8b3b]	1531	decl->stmts = GET_ACCEPT_1(statements, CompoundStmt);
[9a0cd9c]	1532	decl->scopeLevel = old->scopeLevel;
	1533	decl->mangleName = old->mangleName;
	1534	decl->isDeleted = old->isDeleted;
	1535	decl->uniqueId = old->uniqueId;
	1536	decl->extension = old->extension;
	1537
	1538	this->node = decl;
[157a816]	1539
[0aedb01]	1540	if ( Validate::dereferenceOperator == old ) {
[157a816]	1541	dereferenceOperator = decl;
	1542	}
[043a5b6]	1543
	1544	if ( Validate::dtorStructDestroy == old ) {
	1545	dtorStructDestroy = decl;
	1546	}
[6d51bd7]	1547	}
	1548
	1549	virtual void visit( StructDecl * old ) override final {
[b869ec5]	1550	if ( inCache( old ) ) return;
[6d51bd7]	1551	auto decl = new ast::StructDecl(
	1552	old->location,
	1553	old->name,
	1554	old->kind,
[d66e7b7]	1555	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1556	{ old->linkage.val }
	1557	);
[8abee136]	1558	cache.emplace( old, decl );
[d66e7b7]	1559	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1560	decl->body = old->body;
[d66e7b7]	1561	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1562	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1563	decl->extension = old->extension;
	1564	decl->uniqueId = old->uniqueId;
	1565	decl->storage = { old->storageClasses.val };
	1566
	1567	this->node = decl;
[043a5b6]	1568
	1569	if ( Validate::dtorStruct == old ) {
	1570	dtorStruct = decl;
	1571	}
[6d51bd7]	1572	}
	1573
	1574	virtual void visit( UnionDecl * old ) override final {
[b869ec5]	1575	if ( inCache( old ) ) return;
[6d51bd7]	1576	auto decl = new ast::UnionDecl(
	1577	old->location,
	1578	old->name,
[d66e7b7]	1579	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1580	{ old->linkage.val }
	1581	);
[8abee136]	1582	cache.emplace( old, decl );
[d66e7b7]	1583	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1584	decl->body = old->body;
[d66e7b7]	1585	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1586	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1587	decl->extension = old->extension;
	1588	decl->uniqueId = old->uniqueId;
	1589	decl->storage = { old->storageClasses.val };
	1590
	1591	this->node = decl;
	1592	}
	1593
	1594	virtual void visit( EnumDecl * old ) override final {
[b869ec5]	1595	if ( inCache( old ) ) return;
[157a816]	1596	auto decl = new ast::EnumDecl(
[6d51bd7]	1597	old->location,
	1598	old->name,
[d66e7b7]	1599	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1600	{ old->linkage.val }
	1601	);
[8abee136]	1602	cache.emplace( old, decl );
[d66e7b7]	1603	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1604	decl->body = old->body;
[d66e7b7]	1605	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1606	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1607	decl->extension = old->extension;
	1608	decl->uniqueId = old->uniqueId;
	1609	decl->storage = { old->storageClasses.val };
	1610
	1611	this->node = decl;
	1612	}
	1613
	1614	virtual void visit( TraitDecl * old ) override final {
[b869ec5]	1615	if ( inCache( old ) ) return;
[157a816]	1616	auto decl = new ast::TraitDecl(
[6d51bd7]	1617	old->location,
	1618	old->name,
[d66e7b7]	1619	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1620	{ old->linkage.val }
	1621	);
[8abee136]	1622	cache.emplace( old, decl );
[d66e7b7]	1623	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1624	decl->body = old->body;
[d66e7b7]	1625	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1626	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1627	decl->extension = old->extension;
	1628	decl->uniqueId = old->uniqueId;
	1629	decl->storage = { old->storageClasses.val };
	1630
	1631	this->node = decl;
	1632	}
	1633
[b869ec5]	1634	virtual void visit( TypeDecl * old ) override final {
[0b57626]	1635	if ( inCache( old ) ) return;
[9a0cd9c]	1636	auto decl = new ast::TypeDecl{
	1637	old->location,
	1638	old->name,
	1639	{ old->storageClasses.val },
	1640	GET_ACCEPT_1(base, Type),
	1641	(ast::TypeVar::Kind)(unsigned)old->kind,
	1642	old->sized,
	1643	GET_ACCEPT_1(init, Type)
	1644	};
[8abee136]	1645	cache.emplace( old, decl );
[9a0cd9c]	1646	decl->assertions = GET_ACCEPT_V(assertions, DeclWithType);
	1647	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1648	decl->extension = old->extension;
	1649	decl->uniqueId = old->uniqueId;
	1650
	1651	this->node = decl;
[6d51bd7]	1652	}
	1653
	1654	virtual void visit( TypedefDecl * old ) override final {
	1655	auto decl = new ast::TypedefDecl(
	1656	old->location,
	1657	old->name,
	1658	{ old->storageClasses.val },
[d66e7b7]	1659	GET_ACCEPT_1(base, Type),
[6d51bd7]	1660	{ old->linkage.val }
	1661	);
[d66e7b7]	1662	decl->assertions = GET_ACCEPT_V(assertions, DeclWithType);
	1663	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
[6d51bd7]	1664	decl->extension = old->extension;
	1665	decl->uniqueId = old->uniqueId;
	1666	decl->storage = { old->storageClasses.val };
	1667
	1668	this->node = decl;
	1669	}
	1670
[9a0cd9c]	1671	virtual void visit( AsmDecl * old ) override final {
	1672	auto decl = new ast::AsmDecl{
[0b57626]	1673	old->location,
[9a0cd9c]	1674	GET_ACCEPT_1(stmt, AsmStmt)
	1675	};
	1676	decl->extension = old->extension;
	1677	decl->uniqueId = old->uniqueId;
	1678	decl->storage = { old->storageClasses.val };
[6d51bd7]	1679
[9a0cd9c]	1680	this->node = decl;
[6d51bd7]	1681	}
	1682
[9a0cd9c]	1683	virtual void visit( StaticAssertDecl * old ) override final {
	1684	auto decl = new ast::StaticAssertDecl{
	1685	old->location,
	1686	GET_ACCEPT_1(condition, Expr),
	1687	GET_ACCEPT_1(message, ConstantExpr)
	1688	};
	1689	decl->extension = old->extension;
	1690	decl->uniqueId = old->uniqueId;
	1691	decl->storage = { old->storageClasses.val };
[6d51bd7]	1692
[9a0cd9c]	1693	this->node = decl;
[6d51bd7]	1694	}
	1695
	1696	virtual void visit( CompoundStmt * old ) override final {
[4073b16]	1697	if ( inCache( old ) ) return;
[6d51bd7]	1698	auto stmt = new ast::CompoundStmt(
	1699	old->location,
[d66e7b7]	1700	to<std::list>::from( GET_ACCEPT_V(kids, Stmt) ),
	1701	GET_LABELS_V(old->labels)
[6d51bd7]	1702	);
	1703
	1704	this->node = stmt;
[4073b16]	1705	cache.emplace( old, this->node );
[6d51bd7]	1706	}
	1707
	1708	virtual void visit( ExprStmt * old ) override final {
[4073b16]	1709	if ( inCache( old ) ) return;
[6f8e87d]	1710	this->node = new ast::ExprStmt(
[6d51bd7]	1711	old->location,
[6f8e87d]	1712	GET_ACCEPT_1(expr, Expr),
	1713	GET_LABELS_V(old->labels)
[6d51bd7]	1714	);
[4073b16]	1715	cache.emplace( old, this->node );
[6d51bd7]	1716	}
	1717
[6f8e87d]	1718	virtual void visit( AsmStmt * old ) override final {
[4073b16]	1719	if ( inCache( old ) ) return;
[6f8e87d]	1720	this->node = new ast::AsmStmt(
	1721	old->location,
	1722	old->voltile,
	1723	GET_ACCEPT_1(instruction, Expr),
	1724	GET_ACCEPT_V(output, Expr),
	1725	GET_ACCEPT_V(input, Expr),
	1726	GET_ACCEPT_V(clobber, ConstantExpr),
	1727	GET_LABELS_V(old->gotolabels),
	1728	GET_LABELS_V(old->labels)
	1729	);
[4073b16]	1730	cache.emplace( old, this->node );
[6d51bd7]	1731	}
	1732
[6f8e87d]	1733	virtual void visit( DirectiveStmt * old ) override final {
[4073b16]	1734	if ( inCache( old ) ) return;
[6f8e87d]	1735	this->node = new ast::DirectiveStmt(
	1736	old->location,
	1737	old->directive,
	1738	GET_LABELS_V(old->labels)
	1739	);
[4073b16]	1740	cache.emplace( old, this->node );
[6d51bd7]	1741	}
	1742
[6f8e87d]	1743	virtual void visit( IfStmt * old ) override final {
[4073b16]	1744	if ( inCache( old ) ) return;
[6f8e87d]	1745	this->node = new ast::IfStmt(
	1746	old->location,
	1747	GET_ACCEPT_1(condition, Expr),
	1748	GET_ACCEPT_1(thenPart, Stmt),
	1749	GET_ACCEPT_1(elsePart, Stmt),
	1750	GET_ACCEPT_V(initialization, Stmt),
	1751	GET_LABELS_V(old->labels)
	1752	);
[4073b16]	1753	cache.emplace( old, this->node );
[6d51bd7]	1754	}
	1755
[6f8e87d]	1756	virtual void visit( SwitchStmt * old ) override final {
[4073b16]	1757	if ( inCache( old ) ) return;
[6f8e87d]	1758	this->node = new ast::SwitchStmt(
	1759	old->location,
	1760	GET_ACCEPT_1(condition, Expr),
	1761	GET_ACCEPT_V(statements, Stmt),
	1762	GET_LABELS_V(old->labels)
	1763	);
[4073b16]	1764	cache.emplace( old, this->node );
[6d51bd7]	1765	}
	1766
[6f8e87d]	1767	virtual void visit( CaseStmt * old ) override final {
[4073b16]	1768	if ( inCache( old ) ) return;
[6f8e87d]	1769	this->node = new ast::CaseStmt(
	1770	old->location,
	1771	GET_ACCEPT_1(condition, Expr),
	1772	GET_ACCEPT_V(stmts, Stmt),
	1773	GET_LABELS_V(old->labels)
	1774	);
[4073b16]	1775	cache.emplace( old, this->node );
[6d51bd7]	1776	}
	1777
[6f8e87d]	1778	virtual void visit( WhileStmt * old ) override final {
[4073b16]	1779	if ( inCache( old ) ) return;
[6f8e87d]	1780	this->node = new ast::WhileStmt(
	1781	old->location,
	1782	GET_ACCEPT_1(condition, Expr),
	1783	GET_ACCEPT_1(body, Stmt),
	1784	GET_ACCEPT_V(initialization, Stmt),
	1785	old->isDoWhile,
	1786	GET_LABELS_V(old->labels)
	1787	);
[4073b16]	1788	cache.emplace( old, this->node );
[6d51bd7]	1789	}
	1790
[6f8e87d]	1791	virtual void visit( ForStmt * old ) override final {
[4073b16]	1792	if ( inCache( old ) ) return;
[6f8e87d]	1793	this->node = new ast::ForStmt(
	1794	old->location,
	1795	GET_ACCEPT_V(initialization, Stmt),
	1796	GET_ACCEPT_1(condition, Expr),
	1797	GET_ACCEPT_1(increment, Expr),
	1798	GET_ACCEPT_1(body, Stmt),
	1799	GET_LABELS_V(old->labels)
	1800	);
[4073b16]	1801	cache.emplace( old, this->node );
[6d51bd7]	1802	}
	1803
[6f8e87d]	1804	virtual void visit( BranchStmt * old ) override final {
[4073b16]	1805	if ( inCache( old ) ) return;
[6f8e87d]	1806	if (old->computedTarget) {
	1807	this->node = new ast::BranchStmt(
	1808	old->location,
	1809	GET_ACCEPT_1(computedTarget, Expr),
	1810	GET_LABELS_V(old->labels)
	1811	);
	1812	} else {
	1813	ast::BranchStmt::Kind kind;
	1814	switch (old->type) {
	1815	#define CASE(n) \
	1816	case BranchStmt::n: \
	1817	kind = ast::BranchStmt::n; \
	1818	break
	1819	CASE(Goto);
	1820	CASE(Break);
	1821	CASE(Continue);
	1822	CASE(FallThrough);
	1823	CASE(FallThroughDefault);
	1824	#undef CASE
[d66e7b7]	1825	default:
	1826	assertf(false, "Invalid BranchStmt::Type %d\n", old->type);
[6f8e87d]	1827	}
	1828
	1829	Label label = old->originalTarget;
	1830	auto stmt = new ast::BranchStmt(
	1831	old->location,
	1832	kind,
	1833	make_label(&label),
	1834	GET_LABELS_V(old->labels)
	1835	);
	1836	stmt->target = make_label(&old->target);
	1837	this->node = stmt;
	1838	}
[4073b16]	1839	cache.emplace( old, this->node );
[6d51bd7]	1840	}
	1841
[6f8e87d]	1842	virtual void visit( ReturnStmt * old ) override final {
[4073b16]	1843	if ( inCache( old ) ) return;
[6f8e87d]	1844	this->node = new ast::ReturnStmt(
	1845	old->location,
	1846	GET_ACCEPT_1(expr, Expr),
	1847	GET_LABELS_V(old->labels)
	1848	);
[4073b16]	1849	cache.emplace( old, this->node );
[6d51bd7]	1850	}
	1851
[6f8e87d]	1852	virtual void visit( ThrowStmt * old ) override final {
[4073b16]	1853	if ( inCache( old ) ) return;
[6f4b7f2]	1854	ast::ExceptionKind kind;
[6f8e87d]	1855	switch (old->kind) {
	1856	case ThrowStmt::Terminate:
[6f4b7f2]	1857	kind = ast::ExceptionKind::Terminate;
[6f8e87d]	1858	break;
	1859	case ThrowStmt::Resume:
[6f4b7f2]	1860	kind = ast::ExceptionKind::Resume;
[6f8e87d]	1861	break;
[d66e7b7]	1862	default:
	1863	assertf(false, "Invalid ThrowStmt::Kind %d\n", old->kind);
[6f8e87d]	1864	}
[6d51bd7]	1865
[6f8e87d]	1866	this->node = new ast::ThrowStmt(
	1867	old->location,
	1868	kind,
	1869	GET_ACCEPT_1(expr, Expr),
	1870	GET_ACCEPT_1(target, Expr),
	1871	GET_LABELS_V(old->labels)
	1872	);
[4073b16]	1873	cache.emplace( old, this->node );
[6d51bd7]	1874	}
	1875
[6f8e87d]	1876	virtual void visit( TryStmt * old ) override final {
[4073b16]	1877	if ( inCache( old ) ) return;
[6f8e87d]	1878	this->node = new ast::TryStmt(
	1879	old->location,
	1880	GET_ACCEPT_1(block, CompoundStmt),
	1881	GET_ACCEPT_V(handlers, CatchStmt),
	1882	GET_ACCEPT_1(finallyBlock, FinallyStmt),
	1883	GET_LABELS_V(old->labels)
	1884	);
[4073b16]	1885	cache.emplace( old, this->node );
[6d51bd7]	1886	}
	1887
[6f8e87d]	1888	virtual void visit( CatchStmt * old ) override final {
[4073b16]	1889	if ( inCache( old ) ) return;
[6f4b7f2]	1890	ast::ExceptionKind kind;
[6f8e87d]	1891	switch (old->kind) {
	1892	case CatchStmt::Terminate:
[6f4b7f2]	1893	kind = ast::ExceptionKind::Terminate;
[6f8e87d]	1894	break;
	1895	case CatchStmt::Resume:
[6f4b7f2]	1896	kind = ast::ExceptionKind::Resume;
[6f8e87d]	1897	break;
[d66e7b7]	1898	default:
	1899	assertf(false, "Invalid CatchStmt::Kind %d\n", old->kind);
[6f8e87d]	1900	}
[6d51bd7]	1901
[6f8e87d]	1902	this->node = new ast::CatchStmt(
	1903	old->location,
	1904	kind,
	1905	GET_ACCEPT_1(decl, Decl),
	1906	GET_ACCEPT_1(cond, Expr),
	1907	GET_ACCEPT_1(body, Stmt),
	1908	GET_LABELS_V(old->labels)
	1909	);
[4073b16]	1910	cache.emplace( old, this->node );
[6d51bd7]	1911	}
	1912
[6f8e87d]	1913	virtual void visit( FinallyStmt * old ) override final {
[4073b16]	1914	if ( inCache( old ) ) return;
[6f8e87d]	1915	this->node = new ast::FinallyStmt(
	1916	old->location,
	1917	GET_ACCEPT_1(block, CompoundStmt),
	1918	GET_LABELS_V(old->labels)
	1919	);
[4073b16]	1920	cache.emplace( old, this->node );
[6d51bd7]	1921	}
	1922
[6f8e87d]	1923	virtual void visit( WaitForStmt * old ) override final {
[4073b16]	1924	if ( inCache( old ) ) return;
[6f8e87d]	1925	ast::WaitForStmt * stmt = new ast::WaitForStmt(
	1926	old->location,
	1927	GET_LABELS_V(old->labels)
	1928	);
[6d51bd7]	1929
[6f8e87d]	1930	stmt->clauses.reserve( old->clauses.size() );
	1931	for (size_t i = 0 ; i < old->clauses.size() ; ++i) {
	1932	stmt->clauses.push_back({
	1933	ast::WaitForStmt::Target{
	1934	GET_ACCEPT_1(clauses[i].target.function, Expr),
	1935	GET_ACCEPT_V(clauses[i].target.arguments, Expr)
	1936	},
	1937	GET_ACCEPT_1(clauses[i].statement, Stmt),
	1938	GET_ACCEPT_1(clauses[i].condition, Expr)
	1939	});
	1940	}
	1941	stmt->timeout = {
	1942	GET_ACCEPT_1(timeout.time, Expr),
	1943	GET_ACCEPT_1(timeout.statement, Stmt),
	1944	GET_ACCEPT_1(timeout.condition, Expr),
	1945	};
	1946	stmt->orElse = {
	1947	GET_ACCEPT_1(timeout.statement, Stmt),
	1948	GET_ACCEPT_1(timeout.condition, Expr),
	1949	};
[6d51bd7]	1950
[6f8e87d]	1951	this->node = stmt;
[4073b16]	1952	cache.emplace( old, this->node );
[6f8e87d]	1953	}
[6d51bd7]	1954
[6f8e87d]	1955	virtual void visit( WithStmt * old ) override final {
[4073b16]	1956	if ( inCache( old ) ) return;
[6f8e87d]	1957	this->node = new ast::WithStmt(
	1958	old->location,
	1959	GET_ACCEPT_V(exprs, Expr),
	1960	GET_ACCEPT_1(stmt, Stmt),
	1961	GET_LABELS_V(old->labels)
	1962	);
[4073b16]	1963	cache.emplace( old, this->node );
[6d51bd7]	1964	}
	1965
	1966	virtual void visit( NullStmt * old ) override final {
[4073b16]	1967	if ( inCache( old ) ) return;
[6f8e87d]	1968	this->node = new ast::NullStmt(
[6d51bd7]	1969	old->location,
[6f8e87d]	1970	GET_LABELS_V(old->labels)
[6d51bd7]	1971	);
[4073b16]	1972	cache.emplace( old, this->node );
[6d51bd7]	1973	}
	1974
[6f8e87d]	1975	virtual void visit( DeclStmt * old ) override final {
[4073b16]	1976	if ( inCache( old ) ) return;
[6f8e87d]	1977	this->node = new ast::DeclStmt(
	1978	old->location,
	1979	GET_ACCEPT_1(decl, Decl),
	1980	GET_LABELS_V(old->labels)
	1981	);
[4073b16]	1982	cache.emplace( old, this->node );
[6d51bd7]	1983	}
	1984
[6f8e87d]	1985	virtual void visit( ImplicitCtorDtorStmt * old ) override final {
[4073b16]	1986	if ( inCache( old ) ) return;
[f685679]	1987	auto stmt = new ast::ImplicitCtorDtorStmt(
[6f8e87d]	1988	old->location,
[f685679]	1989	nullptr,
[6f8e87d]	1990	GET_LABELS_V(old->labels)
	1991	);
[2c04369]	1992	cache.emplace( old, stmt );
[f685679]	1993	stmt->callStmt = GET_ACCEPT_1(callStmt, Stmt);
[2c04369]	1994	this->node = stmt;
[6d51bd7]	1995	}
	1996
[172d9342]	1997	ast::TypeSubstitution * convertTypeSubstitution(const TypeSubstitution * old) {
	1998
[8abee136]	1999	if (!old) return nullptr;
	2000
[172d9342]	2001	ast::TypeSubstitution *rslt = new ast::TypeSubstitution();
	2002
	2003	for (decltype(old->begin()) old_i = old->begin(); old_i != old->end(); old_i++) {
	2004	rslt->add( old_i->first,
	2005	getAccept1<ast::Type>(old_i->second) );
	2006	}
[6d51bd7]	2007
[172d9342]	2008	for (decltype(old->beginVar()) old_i = old->beginVar(); old_i != old->endVar(); old_i++) {
	2009	rslt->addVar( old_i->first,
	2010	getAccept1<ast::Expr>(old_i->second) );
	2011	}
[19e567dd]	2012
	2013	return rslt;
[6d51bd7]	2014	}
	2015
[e0016a5]	2016	void convertInferUnion(ast::Expr::InferUnion &newInferred,
[19e567dd]	2017	const std::map<UniqueId,ParamEntry> &oldInferParams,
	2018	const std::vector<UniqueId> &oldResnSlots) {
	2019
	2020	assert( oldInferParams.empty() \|\| oldResnSlots.empty() );
	2021	assert( newInferred.mode == ast::Expr::InferUnion::Empty );
	2022
	2023	if ( !oldInferParams.empty() ) {
	2024	ast::InferredParams &tgt = newInferred.inferParams();
	2025	for (auto old : oldInferParams) {
	2026	tgt[old.first] = ast::ParamEntry(
	2027	old.second.decl,
	2028	getAccept1<ast::Type>(old.second.actualType),
	2029	getAccept1<ast::Type>(old.second.formalType),
	2030	getAccept1<ast::Expr>(old.second.expr)
	2031	);
	2032	}
	2033	} else if ( !oldResnSlots.empty() ) {
	2034	ast::ResnSlots &tgt = newInferred.resnSlots();
	2035	for (auto old : oldResnSlots) {
	2036	tgt.push_back(old);
	2037	}
	2038	}
[172d9342]	2039	}
	2040
[20de6fb]	2041	ast::Expr * visitBaseExpr_SkipResultType(Expression * old, ast::Expr * nw) {
[6d51bd7]	2042
[172d9342]	2043	nw->env = convertTypeSubstitution(old->env);
	2044
	2045	nw->extension = old->extension;
	2046	convertInferUnion(nw->inferred, old->inferParams, old->resnSlots);
	2047
	2048	return nw;
	2049	}
[6d51bd7]	2050
[20de6fb]	2051	ast::Expr * visitBaseExpr(Expression * old, ast::Expr * nw) {
	2052
	2053	nw->result = GET_ACCEPT_1(result, Type);
	2054	return visitBaseExpr_SkipResultType(old, nw);;
	2055	}
	2056
[19e567dd]	2057	virtual void visit( ApplicationExpr * old ) override final {
	2058	this->node = visitBaseExpr( old,
	2059	new ast::ApplicationExpr(
	2060	old->location,
	2061	GET_ACCEPT_1(function, Expr),
	2062	GET_ACCEPT_V(args, Expr)
	2063	)
	2064	);
[6d51bd7]	2065	}
	2066
[19e567dd]	2067	virtual void visit( UntypedExpr * old ) override final {
	2068	this->node = visitBaseExpr( old,
	2069	new ast::UntypedExpr(
	2070	old->location,
	2071	GET_ACCEPT_1(function, Expr),
	2072	GET_ACCEPT_V(args, Expr)
	2073	)
	2074	);
[172d9342]	2075	}
[6d51bd7]	2076
[172d9342]	2077	virtual void visit( NameExpr * old ) override final {
	2078	this->node = visitBaseExpr( old,
	2079	new ast::NameExpr(
	2080	old->location,
	2081	old->get_name()
	2082	)
	2083	);
[6d51bd7]	2084	}
	2085
[19e567dd]	2086	virtual void visit( CastExpr * old ) override final {
	2087	this->node = visitBaseExpr( old,
	2088	new ast::CastExpr(
	2089	old->location,
[28c89f4]	2090	GET_ACCEPT_1(arg, Expr),
[19e567dd]	2091	old->isGenerated ? ast::GeneratedCast : ast::ExplicitCast
	2092	)
	2093	);
[6d51bd7]	2094	}
	2095
[28c89f4]	2096	virtual void visit( KeywordCastExpr * old) override final {
	2097	ast::KeywordCastExpr::Target castTarget = ast::KeywordCastExpr::NUMBER_OF_TARGETS;
	2098	switch (old->target) {
	2099	case KeywordCastExpr::Coroutine:
	2100	castTarget = ast::KeywordCastExpr::Coroutine;
	2101	break;
	2102	case KeywordCastExpr::Thread:
	2103	castTarget = ast::KeywordCastExpr::Thread;
	2104	break;
	2105	case KeywordCastExpr::Monitor:
	2106	castTarget = ast::KeywordCastExpr::Monitor;
	2107	break;
	2108	default:
	2109	break;
	2110	}
	2111	assert ( castTarget < ast::KeywordCastExpr::NUMBER_OF_TARGETS );
	2112	this->node = visitBaseExpr( old,
	2113	new ast::KeywordCastExpr(
	2114	old->location,
	2115	GET_ACCEPT_1(arg, Expr),
	2116	castTarget
	2117	)
	2118	);
[6d51bd7]	2119	}
	2120
[28c89f4]	2121	virtual void visit( VirtualCastExpr * old ) override final {
[20de6fb]	2122	this->node = visitBaseExpr_SkipResultType( old,
[28c89f4]	2123	new ast::VirtualCastExpr(
	2124	old->location,
	2125	GET_ACCEPT_1(arg, Expr),
[20de6fb]	2126	GET_ACCEPT_1(result, Type)
[28c89f4]	2127	)
	2128	);
[6d51bd7]	2129	}
	2130
[28c89f4]	2131	virtual void visit( AddressExpr * old ) override final {
	2132	this->node = visitBaseExpr( old,
	2133	new ast::AddressExpr(
	2134	old->location,
	2135	GET_ACCEPT_1(arg, Expr)
	2136	)
	2137	);
[6d51bd7]	2138	}
	2139
[28c89f4]	2140	virtual void visit( LabelAddressExpr * old ) override final {
	2141	this->node = visitBaseExpr( old,
	2142	new ast::LabelAddressExpr(
	2143	old->location,
	2144	make_label(&old->arg)
	2145	)
	2146	);
[6d51bd7]	2147	}
	2148
[28c89f4]	2149	virtual void visit( UntypedMemberExpr * old ) override final {
	2150	this->node = visitBaseExpr( old,
	2151	new ast::UntypedMemberExpr(
	2152	old->location,
	2153	GET_ACCEPT_1(member, Expr),
	2154	GET_ACCEPT_1(aggregate, Expr)
	2155	)
	2156	);
[6d51bd7]	2157	}
	2158
[28c89f4]	2159	virtual void visit( MemberExpr * old ) override final {
	2160	this->node = visitBaseExpr( old,
	2161	new ast::MemberExpr(
	2162	old->location,
[2a54479]	2163	GET_ACCEPT_1(member, DeclWithType),
[28c89f4]	2164	GET_ACCEPT_1(aggregate, Expr)
	2165	)
	2166	);
[6d51bd7]	2167	}
	2168
[28c89f4]	2169	virtual void visit( VariableExpr * old ) override final {
[546e712]	2170	auto expr = new ast::VariableExpr(
	2171	old->location
	2172	);
	2173
[0b73f0c]	2174	visitBaseExpr_SkipResultType( old,
[546e712]	2175	expr
[28c89f4]	2176	);
[546e712]	2177
	2178	expr->var = GET_ACCEPT_1(var, DeclWithType);
	2179	expr->result = expr->var->get_type();
[0b73f0c]	2180	if(const ast::FunctionType * ft = expr->result.as<ast::FunctionType>()) {
	2181	if(dynamic_cast<PointerType *>(old->result)) {
	2182	expr->result = new ast::PointerType(ft);
	2183	}
	2184	}
[546e712]	2185	add_qualifiers( expr->result, ast::CV::Lvalue );
	2186	this->node = expr;
[6d51bd7]	2187	}
	2188
[28c89f4]	2189	bool isIntlikeConstantType(const Type *t) {
	2190	if ( const BasicType * basicType = dynamic_cast< const BasicType * >( t ) ) {
	2191	if ( basicType->isInteger() ) {
	2192	return true;
	2193	}
	2194	} else if ( dynamic_cast< const OneType * >( t ) ) {
	2195	return true;
	2196	} else if ( dynamic_cast< const ZeroType * >( t ) ) {
	2197	return true;
	2198	} else if ( dynamic_cast< const PointerType * >( t ) ) {
	2199	// null pointer constants, with zero int-values
	2200	return true;
	2201	}
	2202	return false;
[6d51bd7]	2203	}
	2204
[28c89f4]	2205	int isFloatlikeConstantType(const Type *t) {
	2206	if ( const BasicType * bty = dynamic_cast< const BasicType * >( t ) ) {
	2207	if ( ! bty->isInteger() ) {
	2208	return true;
	2209	}
	2210	}
	2211	return false;
[6d51bd7]	2212	}
	2213
[28c89f4]	2214	int isStringlikeConstantType(const Type *t) {
	2215	if ( const ArrayType * aty = dynamic_cast< const ArrayType * >( t ) ) {
	2216	if ( const BasicType * bty = dynamic_cast< const BasicType * >( aty->base ) ) {
	2217	if ( bty->kind == BasicType::Kind::Char ) {
	2218	return true;
	2219	}
	2220	}
	2221	}
	2222	return false;
[6d51bd7]	2223	}
	2224
[28c89f4]	2225	virtual void visit( ConstantExpr * old ) override final {
	2226	ast::ConstantExpr *rslt = nullptr;
	2227	if (isIntlikeConstantType(old->result)) {
	2228	rslt = new ast::ConstantExpr(
	2229	old->location,
	2230	GET_ACCEPT_1(result, Type),
	2231	old->constant.get_value(),
[8568319]	2232	(unsigned long long) old->intValue(),
	2233	ast::ConstantExpr::Kind::Integer
[28c89f4]	2234	);
	2235	} else if (isFloatlikeConstantType(old->result)) {
	2236	rslt = new ast::ConstantExpr(
	2237	old->location,
[0b57626]	2238	GET_ACCEPT_1(result, Type),
	2239	old->constant.get_value(),
[28c89f4]	2240	(double) old->constant.get_dval()
	2241	);
	2242	} else if (isStringlikeConstantType(old->result)) {
[8568319]	2243	rslt = new ast::ConstantExpr(
[28c89f4]	2244	old->location,
[8568319]	2245	GET_ACCEPT_1(result, Type),
	2246	old->constant.get_value(),
	2247	0,
	2248	ast::ConstantExpr::Kind::String
[28c89f4]	2249	);
	2250	}
	2251	assert(rslt);
	2252	this->node = visitBaseExpr( old, rslt );
	2253	}
	2254
	2255	virtual void visit( SizeofExpr * old ) override final {
	2256	assert (old->expr \|\| old->type);
	2257	assert (! (old->expr && old->type));
	2258	ast::SizeofExpr *rslt;
	2259	if (old->expr) {
	2260	assert(!old->isType);
	2261	rslt = new ast::SizeofExpr(
[0b57626]	2262	old->location,
[28c89f4]	2263	GET_ACCEPT_1(expr, Expr)
	2264	);
	2265	}
	2266	if (old->type) {
	2267	assert(old->isType);
	2268	rslt = new ast::SizeofExpr(
[0b57626]	2269	old->location,
[28c89f4]	2270	GET_ACCEPT_1(type, Type)
	2271	);
	2272	}
	2273	this->node = visitBaseExpr( old, rslt );
	2274	}
	2275
	2276	virtual void visit( AlignofExpr * old ) override final {
	2277	assert (old->expr \|\| old->type);
	2278	assert (! (old->expr && old->type));
	2279	ast::AlignofExpr *rslt;
	2280	if (old->expr) {
	2281	assert(!old->isType);
	2282	rslt = new ast::AlignofExpr(
[0b57626]	2283	old->location,
[28c89f4]	2284	GET_ACCEPT_1(expr, Expr)
	2285	);
	2286	}
	2287	if (old->type) {
	2288	assert(old->isType);
	2289	rslt = new ast::AlignofExpr(
[0b57626]	2290	old->location,
[28c89f4]	2291	GET_ACCEPT_1(type, Type)
	2292	);
	2293	}
	2294	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2295	}
	2296
[28c89f4]	2297	virtual void visit( UntypedOffsetofExpr * old ) override final {
	2298	this->node = visitBaseExpr( old,
	2299	new ast::UntypedOffsetofExpr(
	2300	old->location,
	2301	GET_ACCEPT_1(type, Type),
	2302	old->member
	2303	)
	2304	);
[6d51bd7]	2305	}
	2306
[28c89f4]	2307	virtual void visit( OffsetofExpr * old ) override final {
	2308	this->node = visitBaseExpr( old,
	2309	new ast::OffsetofExpr(
	2310	old->location,
	2311	GET_ACCEPT_1(type, Type),
[2a54479]	2312	GET_ACCEPT_1(member, DeclWithType)
[28c89f4]	2313	)
	2314	);
[6d51bd7]	2315	}
	2316
[28c89f4]	2317	virtual void visit( OffsetPackExpr * old ) override final {
	2318	this->node = visitBaseExpr( old,
	2319	new ast::OffsetPackExpr(
	2320	old->location,
	2321	GET_ACCEPT_1(type, StructInstType)
	2322	)
	2323	);
[6d51bd7]	2324	}
	2325
[28c89f4]	2326	virtual void visit( LogicalExpr * old ) override final {
	2327	this->node = visitBaseExpr( old,
	2328	new ast::LogicalExpr(
	2329	old->location,
	2330	GET_ACCEPT_1(arg1, Expr),
	2331	GET_ACCEPT_1(arg2, Expr),
[0b57626]	2332	old->get_isAnd() ?
[28c89f4]	2333	ast::LogicalFlag::AndExpr :
	2334	ast::LogicalFlag::OrExpr
	2335	)
	2336	);
[6d51bd7]	2337	}
	2338
[28c89f4]	2339	virtual void visit( ConditionalExpr * old ) override final {
	2340	this->node = visitBaseExpr( old,
	2341	new ast::ConditionalExpr(
	2342	old->location,
	2343	GET_ACCEPT_1(arg1, Expr),
	2344	GET_ACCEPT_1(arg2, Expr),
	2345	GET_ACCEPT_1(arg3, Expr)
	2346	)
	2347	);
	2348	}
[6d51bd7]	2349
[28c89f4]	2350	virtual void visit( CommaExpr * old ) override final {
	2351	this->node = visitBaseExpr( old,
	2352	new ast::CommaExpr(
	2353	old->location,
	2354	GET_ACCEPT_1(arg1, Expr),
	2355	GET_ACCEPT_1(arg2, Expr)
	2356	)
	2357	);
[6d51bd7]	2358	}
	2359
[20de6fb]	2360	virtual void visit( TypeExpr * old ) override final {
	2361	this->node = visitBaseExpr( old,
	2362	new ast::TypeExpr(
	2363	old->location,
	2364	GET_ACCEPT_1(type, Type)
	2365	)
	2366	);
[6d51bd7]	2367	}
	2368
[20de6fb]	2369	virtual void visit( AsmExpr * old ) override final {
	2370	this->node = visitBaseExpr( old,
	2371	new ast::AsmExpr(
	2372	old->location,
	2373	GET_ACCEPT_1(inout, Expr),
	2374	GET_ACCEPT_1(constraint, Expr),
	2375	GET_ACCEPT_1(operand, Expr)
	2376	)
	2377	);
[6d51bd7]	2378	}
	2379
[20de6fb]	2380	virtual void visit( ImplicitCopyCtorExpr * old ) override final {
	2381	auto rslt = new ast::ImplicitCopyCtorExpr(
	2382	old->location,
	2383	GET_ACCEPT_1(callExpr, ApplicationExpr)
	2384	);
[6d51bd7]	2385
[20de6fb]	2386	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2387	}
	2388
[20de6fb]	2389	virtual void visit( ConstructorExpr * old ) override final {
	2390	this->node = visitBaseExpr( old,
	2391	new ast::ConstructorExpr(
	2392	old->location,
	2393	GET_ACCEPT_1(callExpr, Expr)
	2394	)
	2395	);
[6d51bd7]	2396	}
	2397
[20de6fb]	2398	virtual void visit( CompoundLiteralExpr * old ) override final {
	2399	this->node = visitBaseExpr_SkipResultType( old,
	2400	new ast::CompoundLiteralExpr(
	2401	old->location,
	2402	GET_ACCEPT_1(result, Type),
	2403	GET_ACCEPT_1(initializer, Init)
	2404	)
	2405	);
[6d51bd7]	2406	}
	2407
[20de6fb]	2408	virtual void visit( RangeExpr * old ) override final {
	2409	this->node = visitBaseExpr( old,
	2410	new ast::RangeExpr(
	2411	old->location,
	2412	GET_ACCEPT_1(low, Expr),
	2413	GET_ACCEPT_1(high, Expr)
	2414	)
	2415	);
[6d51bd7]	2416	}
	2417
[20de6fb]	2418	virtual void visit( UntypedTupleExpr * old ) override final {
	2419	this->node = visitBaseExpr( old,
	2420	new ast::UntypedTupleExpr(
	2421	old->location,
	2422	GET_ACCEPT_V(exprs, Expr)
	2423	)
	2424	);
[6d51bd7]	2425	}
	2426
[20de6fb]	2427	virtual void visit( TupleExpr * old ) override final {
	2428	this->node = visitBaseExpr( old,
	2429	new ast::TupleExpr(
	2430	old->location,
	2431	GET_ACCEPT_V(exprs, Expr)
	2432	)
	2433	);
[6d51bd7]	2434	}
	2435
[20de6fb]	2436	virtual void visit( TupleIndexExpr * old ) override final {
	2437	this->node = visitBaseExpr( old,
	2438	new ast::TupleIndexExpr(
	2439	old->location,
	2440	GET_ACCEPT_1(tuple, Expr),
	2441	old->index
	2442	)
	2443	);
[6d51bd7]	2444	}
	2445
[20de6fb]	2446	virtual void visit( TupleAssignExpr * old ) override final {
	2447	this->node = visitBaseExpr_SkipResultType( old,
	2448	new ast::TupleAssignExpr(
	2449	old->location,
	2450	GET_ACCEPT_1(result, Type),
	2451	GET_ACCEPT_1(stmtExpr, StmtExpr)
	2452	)
	2453	);
[6d51bd7]	2454	}
	2455
[20de6fb]	2456	virtual void visit( StmtExpr * old ) override final {
	2457	auto rslt = new ast::StmtExpr(
	2458	old->location,
	2459	GET_ACCEPT_1(statements, CompoundStmt)
	2460	);
	2461	rslt->returnDecls = GET_ACCEPT_V(returnDecls, ObjectDecl);
	2462	rslt->dtors = GET_ACCEPT_V(dtors , Expr);
[6d51bd7]	2463
[20de6fb]	2464	this->node = visitBaseExpr_SkipResultType( old, rslt );
[6d51bd7]	2465	}
	2466
[20de6fb]	2467	virtual void visit( UniqueExpr * old ) override final {
	2468	auto rslt = new ast::UniqueExpr(
	2469	old->location,
	2470	GET_ACCEPT_1(expr, Expr)
	2471	);
	2472	rslt->object = GET_ACCEPT_1(object, ObjectDecl);
	2473	rslt->var = GET_ACCEPT_1(var , VariableExpr);
[6d51bd7]	2474
[20de6fb]	2475	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2476	}
	2477
[20de6fb]	2478	virtual void visit( UntypedInitExpr * old ) override final {
[60aaa51d]	2479	std::deque<ast::InitAlternative> initAlts;
[20de6fb]	2480	for (auto ia : old->initAlts) {
	2481	initAlts.push_back(ast::InitAlternative(
	2482	getAccept1< ast::Type, Type * >( ia.type ),
	2483	getAccept1< ast::Designation, Designation * >( ia.designation )
	2484	));
	2485	}
	2486	this->node = visitBaseExpr( old,
	2487	new ast::UntypedInitExpr(
	2488	old->location,
	2489	GET_ACCEPT_1(expr, Expr),
	2490	std::move(initAlts)
	2491	)
	2492	);
[6d51bd7]	2493	}
	2494
[20de6fb]	2495	virtual void visit( InitExpr * old ) override final {
	2496	this->node = visitBaseExpr( old,
	2497	new ast::InitExpr(
	2498	old->location,
	2499	GET_ACCEPT_1(expr, Expr),
	2500	GET_ACCEPT_1(designation, Designation)
	2501	)
	2502	);
[6d51bd7]	2503	}
	2504
[20de6fb]	2505	virtual void visit( DeletedExpr * old ) override final {
	2506	this->node = visitBaseExpr( old,
	2507	new ast::DeletedExpr(
	2508	old->location,
	2509	GET_ACCEPT_1(expr, Expr),
	2510	inCache(old->deleteStmt) ?
	2511	this->node :
	2512	GET_ACCEPT_1(deleteStmt, Node)
	2513	)
	2514	);
[6d51bd7]	2515	}
	2516
[20de6fb]	2517	virtual void visit( DefaultArgExpr * old ) override final {
	2518	this->node = visitBaseExpr( old,
	2519	new ast::DefaultArgExpr(
	2520	old->location,
	2521	GET_ACCEPT_1(expr, Expr)
	2522	)
	2523	);
	2524	}
[6d51bd7]	2525
[20de6fb]	2526	virtual void visit( GenericExpr * old ) override final {
	2527	std::vector<ast::GenericExpr::Association> associations;
	2528	for (auto association : old->associations) {
	2529	associations.push_back(ast::GenericExpr::Association(
	2530	getAccept1< ast::Type, Type * >( association.type ),
	2531	getAccept1< ast::Expr, Expression * >( association.expr )
	2532	));
	2533	}
	2534	this->node = visitBaseExpr( old,
	2535	new ast::GenericExpr(
	2536	old->location,
	2537	GET_ACCEPT_1(control, Expr),
	2538	std::move(associations)
	2539	)
	2540	);
[6d51bd7]	2541	}
	2542
[d148778]	2543	virtual void visit( VoidType * old ) override final {
	2544	this->node = new ast::VoidType{ cv( old ) };
[6d51bd7]	2545	}
	2546
[d148778]	2547	virtual void visit( BasicType * old ) override final {
[2a54479]	2548	auto type = new ast::BasicType{ (ast::BasicType::Kind)(unsigned)old->kind, cv( old ) };
	2549	// I believe this should always be a BasicType.
	2550	if ( Validate::SizeType == old ) {
	2551	sizeType = type;
	2552	}
	2553	this->node = type;
[6d51bd7]	2554	}
	2555
[d148778]	2556	virtual void visit( PointerType * old ) override final {
	2557	this->node = new ast::PointerType{
	2558	GET_ACCEPT_1( base, Type ),
	2559	GET_ACCEPT_1( dimension, Expr ),
	2560	(ast::LengthFlag)old->isVarLen,
	2561	(ast::DimensionFlag)old->isStatic,
	2562	cv( old )
	2563	};
[6d51bd7]	2564	}
	2565
[d148778]	2566	virtual void visit( ArrayType * old ) override final {
	2567	this->node = new ast::ArrayType{
	2568	GET_ACCEPT_1( base, Type ),
	2569	GET_ACCEPT_1( dimension, Expr ),
	2570	(ast::LengthFlag)old->isVarLen,
	2571	(ast::DimensionFlag)old->isStatic,
	2572	cv( old )
	2573	};
[6d51bd7]	2574	}
	2575
[d148778]	2576	virtual void visit( ReferenceType * old ) override final {
	2577	this->node = new ast::ReferenceType{
	2578	GET_ACCEPT_1( base, Type ),
	2579	cv( old )
	2580	};
[6d51bd7]	2581	}
	2582
[d148778]	2583	virtual void visit( QualifiedType * old ) override final {
	2584	this->node = new ast::QualifiedType{
	2585	GET_ACCEPT_1( parent, Type ),
	2586	GET_ACCEPT_1( child, Type ),
	2587	cv( old )
	2588	};
[6d51bd7]	2589	}
	2590
[d148778]	2591	virtual void visit( FunctionType * old ) override final {
	2592	auto ty = new ast::FunctionType {
	2593	(ast::ArgumentFlag)old->isVarArgs,
	2594	cv( old )
	2595	};
	2596	ty->returns = GET_ACCEPT_V( returnVals, DeclWithType );
	2597	ty->params = GET_ACCEPT_V( parameters, DeclWithType );
	2598	ty->forall = GET_ACCEPT_V( forall, TypeDecl );
	2599	this->node = ty;
[6d51bd7]	2600	}
	2601
[d148778]	2602	void postvisit( ReferenceToType * old, ast::ReferenceToType * ty ) {
	2603	ty->forall = GET_ACCEPT_V( forall, TypeDecl );
	2604	ty->params = GET_ACCEPT_V( parameters, Expr );
	2605	ty->hoistType = old->hoistType;
[6d51bd7]	2606	}
	2607
[d148778]	2608	virtual void visit( StructInstType * old ) override final {
[b869ec5]	2609	ast::StructInstType * ty;
	2610	if ( old->baseStruct ) {
	2611	ty = new ast::StructInstType{
	2612	GET_ACCEPT_1( baseStruct, StructDecl ),
	2613	cv( old ),
	2614	GET_ACCEPT_V( attributes, Attribute )
	2615	};
	2616	} else {
	2617	ty = new ast::StructInstType{
	2618	old->name,
	2619	cv( old ),
	2620	GET_ACCEPT_V( attributes, Attribute )
	2621	};
	2622	}
[d148778]	2623	postvisit( old, ty );
	2624	this->node = ty;
[6d51bd7]	2625	}
	2626
[d148778]	2627	virtual void visit( UnionInstType * old ) override final {
[b869ec5]	2628	ast::UnionInstType * ty;
	2629	if ( old->baseUnion ) {
	2630	ty = new ast::UnionInstType{
	2631	GET_ACCEPT_1( baseUnion, UnionDecl ),
	2632	cv( old ),
	2633	GET_ACCEPT_V( attributes, Attribute )
	2634	};
	2635	} else {
	2636	ty = new ast::UnionInstType{
	2637	old->name,
	2638	cv( old ),
	2639	GET_ACCEPT_V( attributes, Attribute )
	2640	};
	2641	}
[d148778]	2642	postvisit( old, ty );
	2643	this->node = ty;
[6d51bd7]	2644	}
	2645
[d148778]	2646	virtual void visit( EnumInstType * old ) override final {
[b869ec5]	2647	ast::EnumInstType * ty;
	2648	if ( old->baseEnum ) {
	2649	ty = new ast::EnumInstType{
	2650	GET_ACCEPT_1( baseEnum, EnumDecl ),
	2651	cv( old ),
	2652	GET_ACCEPT_V( attributes, Attribute )
	2653	};
	2654	} else {
	2655	ty = new ast::EnumInstType{
	2656	old->name,
	2657	cv( old ),
	2658	GET_ACCEPT_V( attributes, Attribute )
	2659	};
	2660	}
[d148778]	2661	postvisit( old, ty );
	2662	this->node = ty;
[6d51bd7]	2663	}
	2664
[d148778]	2665	virtual void visit( TraitInstType * old ) override final {
[b869ec5]	2666	ast::TraitInstType * ty;
	2667	if ( old->baseTrait ) {
	2668	ty = new ast::TraitInstType{
	2669	GET_ACCEPT_1( baseTrait, TraitDecl ),
	2670	cv( old ),
	2671	GET_ACCEPT_V( attributes, Attribute )
	2672	};
	2673	} else {
	2674	ty = new ast::TraitInstType{
	2675	old->name,
	2676	cv( old ),
	2677	GET_ACCEPT_V( attributes, Attribute )
	2678	};
	2679	}
[d148778]	2680	postvisit( old, ty );
	2681	this->node = ty;
	2682	}
[6d51bd7]	2683
[d148778]	2684	virtual void visit( TypeInstType * old ) override final {
[514a791]	2685	ast::TypeInstType * ty;
	2686	if ( old->baseType ) {
	2687	ty = new ast::TypeInstType{
	2688	old->name,
[b869ec5]	2689	GET_ACCEPT_1( baseType, TypeDecl ),
[514a791]	2690	cv( old ),
	2691	GET_ACCEPT_V( attributes, Attribute )
	2692	};
	2693	} else {
	2694	ty = new ast::TypeInstType{
	2695	old->name,
	2696	old->isFtype ? ast::TypeVar::Ftype : ast::TypeVar::Dtype,
	2697	cv( old ),
	2698	GET_ACCEPT_V( attributes, Attribute )
	2699	};
	2700	}
[d148778]	2701	postvisit( old, ty );
	2702	this->node = ty;
[6d51bd7]	2703	}
	2704
[746ae82]	2705	virtual void visit( TupleType * old ) override final {
	2706	this->node = new ast::TupleType{
	2707	GET_ACCEPT_V( types, Type ),
	2708	// members generated by TupleType c'tor
	2709	cv( old )
	2710	};
[6d51bd7]	2711	}
	2712
[746ae82]	2713	virtual void visit( TypeofType * old ) override final {
	2714	this->node = new ast::TypeofType{
	2715	GET_ACCEPT_1( expr, Expr ),
	2716	(ast::TypeofType::Kind)old->is_basetypeof,
	2717	cv( old )
	2718	};
[6d51bd7]	2719	}
	2720
	2721	virtual void visit( AttrType * ) override final {
[746ae82]	2722	assertf( false, "AttrType deprecated in new AST." );
[6d51bd7]	2723	}
	2724
[746ae82]	2725	virtual void visit( VarArgsType * old ) override final {
	2726	this->node = new ast::VarArgsType{ cv( old ) };
[6d51bd7]	2727	}
	2728
[746ae82]	2729	virtual void visit( ZeroType * old ) override final {
	2730	this->node = new ast::ZeroType{ cv( old ) };
[6d51bd7]	2731	}
	2732
[746ae82]	2733	virtual void visit( OneType * old ) override final {
	2734	this->node = new ast::OneType{ cv( old ) };
[6d51bd7]	2735	}
	2736
	2737	virtual void visit( GlobalScopeType * ) override final {
[746ae82]	2738	this->node = new ast::GlobalScopeType{};
[6d51bd7]	2739	}
	2740
[74ad8c0]	2741	virtual void visit( Designation * old ) override final {
	2742	this->node = new ast::Designation(
	2743	old->location,
[60aaa51d]	2744	GET_ACCEPT_D(designators, Expr)
[74ad8c0]	2745	);
[6d51bd7]	2746	}
	2747
[74ad8c0]	2748	virtual void visit( SingleInit * old ) override final {
	2749	this->node = new ast::SingleInit(
	2750	old->location,
	2751	GET_ACCEPT_1(value, Expr),
	2752	(old->get_maybeConstructed()) ? ast::MaybeConstruct : ast::DoConstruct
	2753	);
[6d51bd7]	2754	}
	2755
[74ad8c0]	2756	virtual void visit( ListInit * old ) override final {
	2757	this->node = new ast::ListInit(
	2758	old->location,
	2759	GET_ACCEPT_V(initializers, Init),
	2760	GET_ACCEPT_V(designations, Designation),
	2761	(old->get_maybeConstructed()) ? ast::MaybeConstruct : ast::DoConstruct
	2762	);
[6d51bd7]	2763	}
	2764
[74ad8c0]	2765	virtual void visit( ConstructorInit * old ) override final {
	2766	this->node = new ast::ConstructorInit(
	2767	old->location,
	2768	GET_ACCEPT_1(ctor, Stmt),
	2769	GET_ACCEPT_1(dtor, Stmt),
	2770	GET_ACCEPT_1(init, Init)
	2771	);
[6d51bd7]	2772	}
	2773
	2774	virtual void visit( Constant * ) override final {
[dd6d7c6]	2775	// Handled in visit( ConstantEpxr * ).
	2776	// In the new tree, Constant fields are inlined into containing ConstantExpression.
	2777	assert( 0 );
[6d51bd7]	2778	}
	2779
[dd6d7c6]	2780	virtual void visit( Attribute * old ) override final {
	2781	this->node = new ast::Attribute(
	2782	old->name,
	2783	GET_ACCEPT_V( parameters, Expr )
	2784	);
[6d51bd7]	2785	}
[b336af9]	2786
	2787	virtual void visit( AttrExpr * ) override final {
[dd6d7c6]	2788	assertf( false, "AttrExpr deprecated in new AST." );
[b336af9]	2789	}
[6d51bd7]	2790	};
	2791
[6f8e87d]	2792	#undef GET_LABELS_V
	2793	#undef GET_ACCEPT_V
	2794	#undef GET_ACCEPT_1
	2795
[74dbbf6]	2796	std::list< ast::ptr< ast::Decl > > convert( const std::list< Declaration * > && translationUnit ) {
[6d51bd7]	2797	ConverterOldToNew c;
	2798	std::list< ast::ptr< ast::Decl > > decls;
	2799	for(auto d : translationUnit) {
	2800	d->accept( c );
	2801	decls.emplace_back( c.decl() );
	2802	}
[8abee136]	2803	deleteAll(translationUnit);
[6d51bd7]	2804	return decls;
[6f8e87d]	2805	}

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