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source: src/AST/Convert.cpp@ 9802f4c

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

Last change on this file since 9802f4c was 9802f4c, checked in by Thierry Delisle <tdelisle@…>, 6 years ago
Merge branch 'master' into new-ast
Property mode set to `100644`
File size: 72.5 KB

Rev	Line
[6d51bd7]	1	//
	2	// Cforall Version 1.0.0 Copyright (C) 2019 University of Waterloo
	3	//
	4	// The contents of this file are covered under the licence agreement in the
	5	// file "LICENCE" distributed with Cforall.
	6	//
[74dbbf6]	7	// Convert.cpp -- Convert between the new and old syntax trees.
[6d51bd7]	8	//
	9	// Author : Thierry Delisle
	10	// Created On : Thu May 09 15::37::05 2019
[033ff37]	11	// Last Modified By : Peter A. Buhr
	12	// Last Modified On : Thu Jul 25 22:21:46 2019
	13	// Update Count : 13
[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) {
[a62749f]	94	// This probably will leak memory, but only until we get rid of the old tree.
	95	if ( nullptr == labelled && label.location.isSet() ) {
	96	labelled = new NullStmt();
	97	labelled->location = label.location;
	98	}
[675d816]	99	return Label(
	100	label.name,
	101	labelled,
	102	get<Attribute>().acceptL(label.attributes)
	103	);
	104	}
	105
	106	template<template <class...> class C>
	107	std::list<Label> makeLabelL(Statement * labelled, const C<ast::Label>& labels) {
	108	std::list<Label> ret;
	109	for (auto label : labels) {
	110	ret.push_back( makeLabel(labelled, label) );
	111	}
[74dbbf6]	112	return ret;
	113	}
	114
[d148778]	115	/// get new qualifiers from old type
	116	Type::Qualifiers cv( const ast::Type * ty ) { return { ty->qualifiers.val }; }
	117
[b869ec5]	118	/// returns true and sets `node` if in cache
	119	bool inCache( const ast::Node * node ) {
	120	auto it = cache.find( node );
	121	if ( it == cache.end() ) return false;
	122	this->node = it->second;
	123	return true;
[d148778]	124	}
	125
[675d816]	126	public:
	127	Declaration * decl( const ast::Decl * declNode ) {
	128	return get<Declaration>().accept1( ast::ptr<ast::Decl>( declNode ) );
	129	}
[74dbbf6]	130
[675d816]	131	private:
[112fe04]	132	void declPostamble( Declaration * decl, const ast::Decl * node ) {
	133	decl->location = node->location;
	134	// name comes from constructor
	135	// linkage comes from constructor
	136	decl->extension = node->extension;
	137	decl->uniqueId = node->uniqueId;
	138	// storageClasses comes from constructor
	139	this->node = decl;
	140	}
	141
	142	const ast::DeclWithType * declWithTypePostamble (
	143	DeclarationWithType * decl, const ast::DeclWithType * node ) {
[f685679]	144	cache.emplace( node, decl );
[112fe04]	145	decl->mangleName = node->mangleName;
	146	decl->scopeLevel = node->scopeLevel;
	147	decl->asmName = get<Expression>().accept1( node->asmName );
	148	// attributes comes from constructor
	149	decl->isDeleted = node->isDeleted;
	150	// fs comes from constructor
[f685679]	151	declPostamble( decl, node );
[74dbbf6]	152	return nullptr;
	153	}
	154
[112fe04]	155	const ast::DeclWithType * visit( const ast::ObjectDecl * node ) override final {
[546e712]	156	auto&& bfwd = get<Expression>().accept1( node->bitfieldWidth );
	157	auto&& type = get<Type>().accept1( node->type );
	158	auto&& init = get<Initializer>().accept1( node->init );
	159	auto&& attr = get<Attribute>().acceptL( node->attributes );
	160	if ( inCache( node ) ) {
	161	return nullptr;
	162	}
[112fe04]	163	auto decl = new ObjectDecl(
	164	node->name,
	165	Type::StorageClasses( node->storage.val ),
	166	LinkageSpec::Spec( node->linkage.val ),
[546e712]	167	bfwd,
	168	type,
	169	init,
	170	attr,
[112fe04]	171	Type::FuncSpecifiers( node->funcSpec.val )
	172	);
	173	return declWithTypePostamble( decl, node );
	174	}
	175
[74dbbf6]	176	const ast::DeclWithType * visit( const ast::FunctionDecl * node ) override final {
[b869ec5]	177	if ( inCache( node ) ) return nullptr;
[112fe04]	178	auto decl = new FunctionDecl(
	179	node->name,
	180	Type::StorageClasses( node->storage.val ),
	181	LinkageSpec::Spec( node->linkage.val ),
	182	get<FunctionType>().accept1( node->type ),
[d88f8b3b]	183	{},
[112fe04]	184	get<Attribute>().acceptL( node->attributes ),
	185	Type::FuncSpecifiers( node->funcSpec.val )
	186	);
[d88f8b3b]	187	cache.emplace( node, decl );
	188	decl->statements = get<CompoundStmt>().accept1( node->stmts );
[112fe04]	189	decl->withExprs = get<Expression>().acceptL( node->withExprs );
[157a816]	190	if ( dereferenceOperator == node ) {
[0aedb01]	191	Validate::dereferenceOperator = decl;
[157a816]	192	}
[043a5b6]	193	if ( dtorStructDestroy == node ) {
	194	Validate::dtorStructDestroy = decl;
	195	}
[112fe04]	196	return declWithTypePostamble( decl, node );
[74dbbf6]	197	}
	198
[112fe04]	199	const ast::Decl * namedTypePostamble( NamedTypeDecl * decl, const ast::NamedTypeDecl * node ) {
	200	// base comes from constructor
	201	decl->parameters = get<TypeDecl>().acceptL( node->params );
	202	decl->assertions = get<DeclarationWithType>().acceptL( node->assertions );
[f685679]	203	declPostamble( decl, node );
[74dbbf6]	204	return nullptr;
	205	}
	206
[112fe04]	207	const ast::Decl * visit( const ast::TypeDecl * node ) override final {
[b869ec5]	208	if ( inCache( node ) ) return nullptr;
[112fe04]	209	auto decl = new TypeDecl(
	210	node->name,
	211	Type::StorageClasses( node->storage.val ),
	212	get<Type>().accept1( node->base ),
[b869ec5]	213	(TypeDecl::Kind)(unsigned)node->kind,
[112fe04]	214	node->sized,
	215	get<Type>().accept1( node->init )
	216	);
[b869ec5]	217	cache.emplace( node, decl );
[112fe04]	218	return namedTypePostamble( decl, node );
[74dbbf6]	219	}
	220
[112fe04]	221	const ast::Decl * visit( const ast::TypedefDecl * node ) override final {
	222	auto decl = new TypedefDecl(
	223	node->name,
	224	node->location,
	225	Type::StorageClasses( node->storage.val ),
	226	get<Type>().accept1( node->base ),
	227	LinkageSpec::Spec( node->linkage.val )
	228	);
	229	return namedTypePostamble( decl, node );
[74dbbf6]	230	}
	231
[112fe04]	232	const ast::Decl * aggregatePostamble( AggregateDecl * decl, const ast::AggregateDecl * node ) {
[f685679]	233	cache.emplace( node, decl );
[112fe04]	234	decl->members = get<Declaration>().acceptL( node->members );
	235	decl->parameters = get<TypeDecl>().acceptL( node->params );
	236	decl->body = node->body;
	237	// attributes come from constructor
[b869ec5]	238	decl->parent = get<AggregateDecl>().accept1( node->parent );
[f685679]	239	declPostamble( decl, node );
[74dbbf6]	240	return nullptr;
	241	}
	242
[112fe04]	243	const ast::Decl * visit( const ast::StructDecl * node ) override final {
[b869ec5]	244	if ( inCache( node ) ) return nullptr;
[112fe04]	245	auto decl = new StructDecl(
	246	node->name,
	247	node->kind,
	248	get<Attribute>().acceptL( node->attributes ),
	249	LinkageSpec::Spec( node->linkage.val )
	250	);
[043a5b6]	251
	252	if ( dtorStruct == node ) {
	253	Validate::dtorStruct = decl;
	254	}
	255
[112fe04]	256	return aggregatePostamble( decl, node );
[74dbbf6]	257	}
	258
[112fe04]	259	const ast::Decl * visit( const ast::UnionDecl * node ) override final {
[b869ec5]	260	if ( inCache( node ) ) return nullptr;
[112fe04]	261	auto decl = new UnionDecl(
	262	node->name,
	263	get<Attribute>().acceptL( node->attributes ),
	264	LinkageSpec::Spec( node->linkage.val )
	265	);
	266	return aggregatePostamble( decl, node );
	267	}
	268
	269	const ast::Decl * visit( const ast::EnumDecl * node ) override final {
[b869ec5]	270	if ( inCache( node ) ) return nullptr;
[112fe04]	271	auto decl = new EnumDecl(
	272	node->name,
	273	get<Attribute>().acceptL( node->attributes ),
	274	LinkageSpec::Spec( node->linkage.val )
	275	);
	276	return aggregatePostamble( decl, node );
	277	}
	278
	279	const ast::Decl * visit( const ast::TraitDecl * node ) override final {
[b869ec5]	280	if ( inCache( node ) ) return nullptr;
[112fe04]	281	auto decl = new TraitDecl(
	282	node->name,
	283	{},
	284	LinkageSpec::Spec( node->linkage.val )
	285	);
	286	return aggregatePostamble( decl, node );
[74dbbf6]	287	}
	288
	289	const ast::AsmDecl * visit( const ast::AsmDecl * node ) override final {
[112fe04]	290	auto decl = new AsmDecl( get<AsmStmt>().accept1( node->stmt ) );
	291	declPostamble( decl, node );
[74dbbf6]	292	return nullptr;
	293	}
	294
	295	const ast::StaticAssertDecl * visit( const ast::StaticAssertDecl * node ) override final {
[112fe04]	296	auto decl = new StaticAssertDecl(
	297	get<Expression>().accept1( node->cond ),
	298	get<ConstantExpr>().accept1( node->msg )
	299	);
	300	declPostamble( decl, node );
[74dbbf6]	301	return nullptr;
	302	}
	303
[112fe04]	304	const ast::Stmt * stmtPostamble( Statement * stmt, const ast::Stmt * node ) {
[f685679]	305	cache.emplace( node, stmt );
[675d816]	306	stmt->location = node->location;
	307	stmt->labels = makeLabelL( stmt, node->labels );
	308	this->node = stmt;
[74dbbf6]	309	return nullptr;
	310	}
	311
[112fe04]	312	const ast::CompoundStmt * visit( const ast::CompoundStmt * node ) override final {
[4073b16]	313	if ( inCache( node ) ) return nullptr;
[112fe04]	314	auto stmt = new CompoundStmt( get<Statement>().acceptL( node->kids ) );
	315	stmtPostamble( stmt, node );
	316	return nullptr;
	317	}
	318
[74dbbf6]	319	const ast::Stmt * visit( const ast::ExprStmt * node ) override final {
[4073b16]	320	if ( inCache( node ) ) return nullptr;
[f685679]	321	auto stmt = new ExprStmt( nullptr );
	322	cache.emplace( node, stmt );
	323	stmt->expr = get<Expression>().accept1( node->expr );
[112fe04]	324	return stmtPostamble( stmt, node );
[74dbbf6]	325	}
	326
	327	const ast::Stmt * visit( const ast::AsmStmt * node ) override final {
[4073b16]	328	if ( inCache( node ) ) return nullptr;
[675d816]	329	auto stmt = new AsmStmt(
	330	node->isVolatile,
	331	get<Expression>().accept1( node->instruction ),
	332	get<Expression>().acceptL( node->output ),
	333	get<Expression>().acceptL( node->input ),
	334	get<ConstantExpr>().acceptL( node->clobber ),
	335	makeLabelL( nullptr, node->gotoLabels ) // What are these labelling?
	336	);
[112fe04]	337	return stmtPostamble( stmt, node );
[74dbbf6]	338	}
	339
	340	const ast::Stmt * visit( const ast::DirectiveStmt * node ) override final {
[4073b16]	341	if ( inCache( node ) ) return nullptr;
[675d816]	342	auto stmt = new DirectiveStmt( node->directive );
[112fe04]	343	return stmtPostamble( stmt, node );
[74dbbf6]	344	}
	345
	346	const ast::Stmt * visit( const ast::IfStmt * node ) override final {
[4073b16]	347	if ( inCache( node ) ) return nullptr;
[675d816]	348	auto stmt = new IfStmt(
	349	get<Expression>().accept1( node->cond ),
	350	get<Statement>().accept1( node->thenPart ),
	351	get<Statement>().accept1( node->elsePart ),
	352	get<Statement>().acceptL( node->inits )
	353	);
[112fe04]	354	return stmtPostamble( stmt, node );
[74dbbf6]	355	}
	356
[675d816]	357	const ast::Stmt * visit( const ast::SwitchStmt * node ) override final {
[4073b16]	358	if ( inCache( node ) ) return nullptr;
[675d816]	359	auto stmt = new SwitchStmt(
	360	get<Expression>().accept1( node->cond ),
	361	get<Statement>().acceptL( node->stmts )
	362	);
[112fe04]	363	return stmtPostamble( stmt, node );
[74dbbf6]	364	}
	365
[675d816]	366	const ast::Stmt * visit( const ast::CaseStmt * node ) override final {
[4073b16]	367	if ( inCache( node ) ) return nullptr;
[675d816]	368	auto stmt = new CaseStmt(
	369	get<Expression>().accept1( node->cond ),
	370	get<Statement>().acceptL( node->stmts ),
	371	node->isDefault()
	372	);
[112fe04]	373	return stmtPostamble( stmt, node );
[74dbbf6]	374	}
	375
[675d816]	376	const ast::Stmt * visit( const ast::WhileStmt * node ) override final {
[4073b16]	377	if ( inCache( node ) ) return nullptr;
[675d816]	378	auto inits = get<Statement>().acceptL( node->inits );
	379	auto stmt = new WhileStmt(
	380	get<Expression>().accept1( node->cond ),
	381	get<Statement>().accept1( node->body ),
	382	inits,
	383	node->isDoWhile
	384	);
[112fe04]	385	return stmtPostamble( stmt, node );
[74dbbf6]	386	}
	387
[675d816]	388	const ast::Stmt * visit( const ast::ForStmt * node ) override final {
[4073b16]	389	if ( inCache( node ) ) return nullptr;
[675d816]	390	auto stmt = new ForStmt(
	391	get<Statement>().acceptL( node->inits ),
	392	get<Expression>().accept1( node->cond ),
	393	get<Expression>().accept1( node->inc ),
	394	get<Statement>().accept1( node->body )
	395	);
[112fe04]	396	return stmtPostamble( stmt, node );
[74dbbf6]	397	}
	398
	399	const ast::Stmt * visit( const ast::BranchStmt * node ) override final {
[4073b16]	400	if ( inCache( node ) ) return nullptr;
[675d816]	401	BranchStmt * stmt;
	402	if (node->computedTarget) {
	403	stmt = new BranchStmt( get<Expression>().accept1( node->computedTarget ),
	404	BranchStmt::Goto );
	405	} else {
	406	BranchStmt::Type type;
	407	switch (node->kind) {
	408	#define CASE(n) \
	409	case ast::BranchStmt::n: \
	410	type = BranchStmt::n; \
	411	break
	412	CASE(Goto);
	413	CASE(Break);
	414	CASE(Continue);
	415	CASE(FallThrough);
	416	CASE(FallThroughDefault);
	417	#undef CASE
	418	default:
	419	assertf(false, "Invalid ast::BranchStmt::Kind: %d\n", node->kind);
	420	}
	421
	422	// The labels here are also weird.
	423	stmt = new BranchStmt( makeLabel( nullptr, node->originalTarget ), type );
	424	stmt->target = makeLabel( stmt, node->target );
	425	}
[112fe04]	426	return stmtPostamble( stmt, node );
[74dbbf6]	427	}
	428
	429	const ast::Stmt * visit( const ast::ReturnStmt * node ) override final {
[4073b16]	430	if ( inCache( node ) ) return nullptr;
[675d816]	431	auto stmt = new ReturnStmt( get<Expression>().accept1( node->expr ) );
[112fe04]	432	return stmtPostamble( stmt, node );
[74dbbf6]	433	}
	434
	435	const ast::Stmt * visit( const ast::ThrowStmt * node ) override final {
[4073b16]	436	if ( inCache( node ) ) return nullptr;
[675d816]	437	ThrowStmt::Kind kind;
	438	switch (node->kind) {
[6f4b7f2]	439	case ast::ExceptionKind::Terminate:
[675d816]	440	kind = ThrowStmt::Terminate;
	441	break;
[6f4b7f2]	442	case ast::ExceptionKind::Resume:
[675d816]	443	kind = ThrowStmt::Resume;
	444	break;
	445	default:
	446	assertf(false, "Invalid ast::ThrowStmt::Kind: %d\n", node->kind);
	447	}
	448	auto stmt = new ThrowStmt(
	449	kind,
	450	get<Expression>().accept1( node->expr ),
	451	get<Expression>().accept1( node->target )
	452	);
[112fe04]	453	return stmtPostamble( stmt, node );
[74dbbf6]	454	}
	455
	456	const ast::Stmt * visit( const ast::TryStmt * node ) override final {
[4073b16]	457	if ( inCache( node ) ) return nullptr;
[675d816]	458	auto handlers = get<CatchStmt>().acceptL( node->handlers );
	459	auto stmt = new TryStmt(
	460	get<CompoundStmt>().accept1( node->body ),
	461	handlers,
	462	get<FinallyStmt>().accept1( node->finally )
	463	);
[112fe04]	464	return stmtPostamble( stmt, node );
[74dbbf6]	465	}
	466
	467	const ast::Stmt * visit( const ast::CatchStmt * node ) override final {
[4073b16]	468	if ( inCache( node ) ) return nullptr;
[675d816]	469	CatchStmt::Kind kind;
	470	switch (node->kind) {
[6f4b7f2]	471	case ast::ExceptionKind::Terminate:
[675d816]	472	kind = CatchStmt::Terminate;
	473	break;
[6f4b7f2]	474	case ast::ExceptionKind::Resume:
[675d816]	475	kind = CatchStmt::Resume;
	476	break;
	477	default:
	478	assertf(false, "Invalid ast::CatchStmt::Kind: %d\n", node->kind);
	479	}
	480	auto stmt = new CatchStmt(
	481	kind,
	482	get<Declaration>().accept1( node->decl ),
	483	get<Expression>().accept1( node->cond ),
	484	get<Statement>().accept1( node->body )
	485	);
[112fe04]	486	return stmtPostamble( stmt, node );
[74dbbf6]	487	}
	488
	489	const ast::Stmt * visit( const ast::FinallyStmt * node ) override final {
[4073b16]	490	if ( inCache( node ) ) return nullptr;
[675d816]	491	auto stmt = new FinallyStmt( get<CompoundStmt>().accept1( node->body ) );
[112fe04]	492	return stmtPostamble( stmt, node );
[74dbbf6]	493	}
	494
	495	const ast::Stmt * visit( const ast::WaitForStmt * node ) override final {
[4073b16]	496	if ( inCache( node ) ) return nullptr;
[675d816]	497	auto stmt = new WaitForStmt;
	498	stmt->clauses.reserve( node->clauses.size() );
	499	for ( auto clause : node->clauses ) {
	500	stmt->clauses.push_back({{
[e0016a5]	501	get<Expression>().accept1( clause.target.func ),
	502	get<Expression>().acceptL( clause.target.args ),
[675d816]	503	},
	504	get<Statement>().accept1( clause.stmt ),
	505	get<Expression>().accept1( clause.cond ),
	506	});
	507	}
	508	stmt->timeout = {
	509	get<Expression>().accept1( node->timeout.time ),
	510	get<Statement>().accept1( node->timeout.stmt ),
	511	get<Expression>().accept1( node->timeout.cond ),
	512	};
	513	stmt->orelse = {
	514	get<Statement>().accept1( node->orElse.stmt ),
	515	get<Expression>().accept1( node->orElse.cond ),
	516	};
[112fe04]	517	return stmtPostamble( stmt, node );
[74dbbf6]	518	}
	519
[e67991f]	520	const ast::Decl * visit( const ast::WithStmt * node ) override final {
[4073b16]	521	if ( inCache( node ) ) return nullptr;
[675d816]	522	auto stmt = new WithStmt(
	523	get<Expression>().acceptL( node->exprs ),
	524	get<Statement>().accept1( node->stmt )
	525	);
[e67991f]	526	declPostamble( stmt, node );
	527	return nullptr;
[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();
[8b34df0]	579	for (auto & srcParam : srcParams) {
	580	auto res = tgtInferParams.emplace(srcParam.first, ParamEntry(
[19e567dd]	581	srcParam.second.decl,
[aaeacf4]	582	get<Declaration>().accept1(srcParam.second.declptr),
[19e567dd]	583	get<Type>().accept1(srcParam.second.actualType),
	584	get<Type>().accept1(srcParam.second.formalType),
	585	get<Expression>().accept1(srcParam.second.expr)
[8b34df0]	586	));
	587	assert(res.second);
[19e567dd]	588	}
	589	} else if ( srcInferred.mode == ast::Expr::InferUnion::Slots ) {
[60aaa51d]	590	const ast::ResnSlots &srcSlots = srcInferred.resnSlots();
[19e567dd]	591	for (auto srcSlot : srcSlots) {
	592	tgtResnSlots.push_back(srcSlot);
	593	}
	594	}
	595	}
	596
[20de6fb]	597	Expression * visitBaseExpr_skipResultType(const ast::Expr * src, Expression * tgt) {
[19e567dd]	598
[20de6fb]	599	tgt->location = src->location;
	600	tgt->env = convertTypeSubstitution(src->env);
[19e567dd]	601	tgt->extension = src->extension;
	602
[20de6fb]	603	convertInferUnion(tgt->inferParams, tgt->resnSlots, src->inferred);
[19e567dd]	604	return tgt;
	605	}
	606
[20de6fb]	607	Expression * visitBaseExpr(const ast::Expr * src, Expression * tgt) {
	608
	609	tgt->result = get<Type>().accept1(src->result);
[f6cc734e]	610	// Unconditionally use a clone of the result type.
	611	// We know this will leak some objects: much of the immediate conversion result.
	612	// In some cases, using the conversion result directly gives unintended object sharing.
	613	// A parameter (ObjectDecl, a child of a FunctionType) is shared by the weak-ref cache.
	614	// But tgt->result must be fully owned privately by tgt.
	615	// Applying these conservative copies here means
	616	// - weak references point at the declaration's copy, not these expr.result copies (good)
	617	// - we copy more objects than really needed (bad, tolerated)
	618	if (tgt->result) {
	619	tgt->result = tgt->result->clone();
	620	}
[20de6fb]	621	return visitBaseExpr_skipResultType(src, tgt);
	622	}
	623
[74dbbf6]	624	const ast::Expr * visit( const ast::ApplicationExpr * node ) override final {
[19e567dd]	625	auto expr = visitBaseExpr( node,
	626	new ApplicationExpr(
	627	get<Expression>().accept1(node->func),
	628	get<Expression>().acceptL(node->args)
	629	)
	630	);
	631	this->node = expr;
[74dbbf6]	632	return nullptr;
	633	}
	634
	635	const ast::Expr * visit( const ast::UntypedExpr * node ) override final {
[19e567dd]	636	auto expr = visitBaseExpr( node,
	637	new UntypedExpr(
	638	get<Expression>().accept1(node->func),
	639	get<Expression>().acceptL(node->args)
	640	)
	641	);
	642	this->node = expr;
[74dbbf6]	643	return nullptr;
	644	}
	645
	646	const ast::Expr * visit( const ast::NameExpr * node ) override final {
[19e567dd]	647	auto expr = visitBaseExpr( node,
	648	new NameExpr(
	649	node->name
	650	)
	651	);
	652	this->node = expr;
[74dbbf6]	653	return nullptr;
	654	}
	655
	656	const ast::Expr * visit( const ast::AddressExpr * node ) override final {
[28c89f4]	657	auto expr = visitBaseExpr( node,
	658	new AddressExpr(
	659	get<Expression>().accept1(node->arg)
	660	)
	661	);
	662	this->node = expr;
[74dbbf6]	663	return nullptr;
	664	}
	665
	666	const ast::Expr * visit( const ast::LabelAddressExpr * node ) override final {
[28c89f4]	667	auto expr = visitBaseExpr( node,
	668	new LabelAddressExpr(
	669	makeLabel(nullptr, node->arg)
	670	)
	671	);
	672	this->node = expr;
[74dbbf6]	673	return nullptr;
	674	}
	675
	676	const ast::Expr * visit( const ast::CastExpr * node ) override final {
[28c89f4]	677	auto expr = visitBaseExpr( node,
	678	new CastExpr(
	679	get<Expression>().accept1(node->arg),
	680	(node->isGenerated == ast::GeneratedCast)
	681	)
	682	);
	683	this->node = expr;
[74dbbf6]	684	return nullptr;
	685	}
	686
	687	const ast::Expr * visit( const ast::KeywordCastExpr * node ) override final {
[28c89f4]	688	KeywordCastExpr::Target castTarget = KeywordCastExpr::NUMBER_OF_TARGETS;
	689	switch (node->target) {
	690	case ast::KeywordCastExpr::Coroutine:
	691	castTarget = KeywordCastExpr::Coroutine;
	692	break;
	693	case ast::KeywordCastExpr::Thread:
	694	castTarget = KeywordCastExpr::Thread;
	695	break;
	696	case ast::KeywordCastExpr::Monitor:
	697	castTarget = KeywordCastExpr::Monitor;
	698	break;
	699	default:
	700	break;
	701	}
	702	assert ( castTarget < KeywordCastExpr::NUMBER_OF_TARGETS );
	703	auto expr = visitBaseExpr( node,
	704	new KeywordCastExpr(
	705	get<Expression>().accept1(node->arg),
	706	castTarget
	707	)
	708	);
	709	this->node = expr;
[74dbbf6]	710	return nullptr;
	711	}
	712
	713	const ast::Expr * visit( const ast::VirtualCastExpr * node ) override final {
[20de6fb]	714	auto expr = visitBaseExpr_skipResultType( node,
[28c89f4]	715	new VirtualCastExpr(
	716	get<Expression>().accept1(node->arg),
[20de6fb]	717	get<Type>().accept1(node->result)
[28c89f4]	718	)
	719	);
	720	this->node = expr;
[74dbbf6]	721	return nullptr;
	722	}
	723
	724	const ast::Expr * visit( const ast::UntypedMemberExpr * node ) override final {
[28c89f4]	725	auto expr = visitBaseExpr( node,
	726	new UntypedMemberExpr(
	727	get<Expression>().accept1(node->member),
	728	get<Expression>().accept1(node->aggregate)
	729	)
	730	);
	731	this->node = expr;
[74dbbf6]	732	return nullptr;
	733	}
	734
	735	const ast::Expr * visit( const ast::MemberExpr * node ) override final {
[28c89f4]	736	auto expr = visitBaseExpr( node,
	737	new MemberExpr(
[2a54479]	738	get<DeclarationWithType>().accept1(node->member),
[28c89f4]	739	get<Expression>().accept1(node->aggregate)
	740	)
	741	);
	742	this->node = expr;
[74dbbf6]	743	return nullptr;
	744	}
	745
	746	const ast::Expr * visit( const ast::VariableExpr * node ) override final {
[546e712]	747	auto expr = new VariableExpr();
	748	expr->var = get<DeclarationWithType>().accept1(node->var);
[6896548]	749	visitBaseExpr( node, expr );
[28c89f4]	750	this->node = expr;
[74dbbf6]	751	return nullptr;
	752	}
	753
	754	const ast::Expr * visit( const ast::ConstantExpr * node ) override final {
[c36298d]	755	// Old world: two types: rslt->constant.type, rslt->result
	756	// New workd: one public type: node->result, plus node->underlyer only to support roundtrip conversion
	757	// preserving underlyer because the correct type for string literals is complicated to construct,
	758	// and distinguishing a string from other literals using the type is hard to do accurately
	759	// Both worlds: the outer, expression-level type can change during resolution
	760	// for a string, that's char[k] before-resolve and char * after
	761	// Old world: the inner Constant type stays what it was built with
	762	// for a string, that's char[k] always
	763	// Both worlds: the "rep" field of a constant is the C source file fragment that compiles to the desired value
	764	// for a string, that includes outer quotes, backslashes, et al cases from the Literals test
	765	ConstantExpr *rslt = new ConstantExpr(Constant(
	766	get<Type>().accept1(node->underlyer),
	767	node->rep,
	768	node->ival));
[28c89f4]	769	auto expr = visitBaseExpr( node, rslt );
	770	this->node = expr;
[74dbbf6]	771	return nullptr;
	772	}
	773
	774	const ast::Expr * visit( const ast::SizeofExpr * node ) override final {
[28c89f4]	775	assert (node->expr \|\| node->type);
	776	assert (! (node->expr && node->type));
	777	SizeofExpr *rslt;
	778	if (node->expr) {
	779	rslt = new SizeofExpr(
	780	get<Expression>().accept1(node->expr)
	781	);
	782	assert (!rslt->isType);
	783	}
[0b73f0c]	784	else {
	785	assert(node->type);
[28c89f4]	786	rslt = new SizeofExpr(
	787	get<Type>().accept1(node->type)
	788	);
	789	assert (rslt->isType);
	790	}
	791	auto expr = visitBaseExpr( node, rslt );
	792	this->node = expr;
[74dbbf6]	793	return nullptr;
	794	}
	795
	796	const ast::Expr * visit( const ast::AlignofExpr * node ) override final {
[28c89f4]	797	assert (node->expr \|\| node->type);
	798	assert (! (node->expr && node->type));
	799	AlignofExpr *rslt;
	800	if (node->expr) {
	801	rslt = new AlignofExpr(
	802	get<Expression>().accept1(node->expr)
	803	);
	804	assert (!rslt->isType);
	805	}
[0b73f0c]	806	else {
	807	assert(node->type);
[28c89f4]	808	rslt = new AlignofExpr(
	809	get<Type>().accept1(node->type)
	810	);
	811	assert (rslt->isType);
	812	}
	813	auto expr = visitBaseExpr( node, rslt );
	814	this->node = expr;
[74dbbf6]	815	return nullptr;
	816	}
	817
	818	const ast::Expr * visit( const ast::UntypedOffsetofExpr * node ) override final {
[28c89f4]	819	auto expr = visitBaseExpr( node,
	820	new UntypedOffsetofExpr(
	821	get<Type>().accept1(node->type),
	822	node->member
	823	)
	824	);
	825	this->node = expr;
[74dbbf6]	826	return nullptr;
	827	}
	828
	829	const ast::Expr * visit( const ast::OffsetofExpr * node ) override final {
[28c89f4]	830	auto expr = visitBaseExpr( node,
	831	new OffsetofExpr(
	832	get<Type>().accept1(node->type),
[2a54479]	833	get<DeclarationWithType>().accept1(node->member)
[28c89f4]	834	)
	835	);
	836	this->node = expr;
[74dbbf6]	837	return nullptr;
	838	}
	839
	840	const ast::Expr * visit( const ast::OffsetPackExpr * node ) override final {
[28c89f4]	841	auto expr = visitBaseExpr( node,
	842	new OffsetPackExpr(
	843	get<StructInstType>().accept1(node->type)
	844	)
	845	);
	846	this->node = expr;
[74dbbf6]	847	return nullptr;
	848	}
	849
	850	const ast::Expr * visit( const ast::LogicalExpr * node ) override final {
[28c89f4]	851	assert (node->isAnd == ast::LogicalFlag::AndExpr \|\|
	852	node->isAnd == ast::LogicalFlag::OrExpr );
	853	auto expr = visitBaseExpr( node,
	854	new LogicalExpr(
	855	get<Expression>().accept1(node->arg1),
	856	get<Expression>().accept1(node->arg2),
	857	(node->isAnd == ast::LogicalFlag::AndExpr)
	858	)
	859	);
	860	this->node = expr;
[74dbbf6]	861	return nullptr;
	862	}
	863
	864	const ast::Expr * visit( const ast::ConditionalExpr * node ) override final {
[28c89f4]	865	auto expr = visitBaseExpr( node,
	866	new ConditionalExpr(
	867	get<Expression>().accept1(node->arg1),
	868	get<Expression>().accept1(node->arg2),
	869	get<Expression>().accept1(node->arg3)
	870	)
	871	);
	872	this->node = expr;
[74dbbf6]	873	return nullptr;
	874	}
	875
	876	const ast::Expr * visit( const ast::CommaExpr * node ) override final {
[28c89f4]	877	auto expr = visitBaseExpr( node,
	878	new CommaExpr(
	879	get<Expression>().accept1(node->arg1),
	880	get<Expression>().accept1(node->arg2)
	881	)
	882	);
	883	this->node = expr;
[74dbbf6]	884	return nullptr;
	885	}
	886
	887	const ast::Expr * visit( const ast::TypeExpr * node ) override final {
[20de6fb]	888	auto expr = visitBaseExpr( node,
	889	new TypeExpr(
	890	get<Type>().accept1(node->type)
	891	)
	892	);
	893	this->node = expr;
[74dbbf6]	894	return nullptr;
	895	}
	896
	897	const ast::Expr * visit( const ast::AsmExpr * node ) override final {
[20de6fb]	898	auto expr = visitBaseExpr( node,
	899	new AsmExpr(
[665f432]	900	new std::string(node->inout),
[20de6fb]	901	get<Expression>().accept1(node->constraint),
	902	get<Expression>().accept1(node->operand)
	903	)
	904	);
	905	this->node = expr;
[74dbbf6]	906	return nullptr;
	907	}
	908
	909	const ast::Expr * visit( const ast::ImplicitCopyCtorExpr * node ) override final {
[20de6fb]	910	auto rslt = new ImplicitCopyCtorExpr(
	911	get<ApplicationExpr>().accept1(node->callExpr)
	912	);
	913
	914	auto expr = visitBaseExpr( node, rslt );
	915	this->node = expr;
[74dbbf6]	916	return nullptr;
	917	}
	918
	919	const ast::Expr * visit( const ast::ConstructorExpr * node ) override final {
[20de6fb]	920	auto expr = visitBaseExpr( node,
	921	new ConstructorExpr(
	922	get<Expression>().accept1(node->callExpr)
	923	)
	924	);
	925	this->node = expr;
[74dbbf6]	926	return nullptr;
	927	}
	928
	929	const ast::Expr * visit( const ast::CompoundLiteralExpr * node ) override final {
[20de6fb]	930	auto expr = visitBaseExpr_skipResultType( node,
	931	new CompoundLiteralExpr(
	932	get<Type>().accept1(node->result),
	933	get<Initializer>().accept1(node->init)
	934	)
	935	);
	936	this->node = expr;
[74dbbf6]	937	return nullptr;
	938	}
	939
	940	const ast::Expr * visit( const ast::RangeExpr * node ) override final {
[20de6fb]	941	auto expr = visitBaseExpr( node,
	942	new RangeExpr(
	943	get<Expression>().accept1(node->low),
	944	get<Expression>().accept1(node->high)
	945	)
	946	);
	947	this->node = expr;
[74dbbf6]	948	return nullptr;
	949	}
	950
	951	const ast::Expr * visit( const ast::UntypedTupleExpr * node ) override final {
[20de6fb]	952	auto expr = visitBaseExpr( node,
	953	new UntypedTupleExpr(
	954	get<Expression>().acceptL(node->exprs)
	955	)
	956	);
	957	this->node = expr;
[74dbbf6]	958	return nullptr;
	959	}
	960
	961	const ast::Expr * visit( const ast::TupleExpr * node ) override final {
[20de6fb]	962	auto expr = visitBaseExpr( node,
[6e55240]	963	new TupleExpr(
[20de6fb]	964	get<Expression>().acceptL(node->exprs)
	965	)
	966	);
	967	this->node = expr;
[74dbbf6]	968	return nullptr;
	969	}
	970
	971	const ast::Expr * visit( const ast::TupleIndexExpr * node ) override final {
[20de6fb]	972	auto expr = visitBaseExpr( node,
	973	new TupleIndexExpr(
	974	get<Expression>().accept1(node->tuple),
	975	node->index
	976	)
	977	);
	978	this->node = expr;
[74dbbf6]	979	return nullptr;
	980	}
	981
	982	const ast::Expr * visit( const ast::TupleAssignExpr * node ) override final {
[20de6fb]	983	auto expr = visitBaseExpr( node,
	984	new TupleAssignExpr(
	985	get<StmtExpr>().accept1(node->stmtExpr)
	986	)
	987	);
	988	this->node = expr;
[74dbbf6]	989	return nullptr;
	990	}
	991
	992	const ast::Expr * visit( const ast::StmtExpr * node ) override final {
[20de6fb]	993	auto rslt = new StmtExpr(
	994	get<CompoundStmt>().accept1(node->stmts)
	995	);
	996
	997	rslt->returnDecls = get<ObjectDecl>().acceptL(node->returnDecls);
	998	rslt->dtors = get<Expression>().acceptL(node->dtors);
	999
	1000	auto expr = visitBaseExpr( node, rslt );
	1001	this->node = expr;
[74dbbf6]	1002	return nullptr;
	1003	}
	1004
	1005	const ast::Expr * visit( const ast::UniqueExpr * node ) override final {
[20de6fb]	1006	auto rslt = new UniqueExpr(
[a2a85658]	1007	get<Expression>().accept1(node->expr),
	1008	node->id
[20de6fb]	1009	);
	1010
	1011	rslt->object = get<ObjectDecl> ().accept1(node->object);
	1012	rslt->var = get<VariableExpr>().accept1(node->var);
	1013
	1014	auto expr = visitBaseExpr( node, rslt );
	1015	this->node = expr;
[74dbbf6]	1016	return nullptr;
	1017	}
	1018
	1019	const ast::Expr * visit( const ast::UntypedInitExpr * node ) override final {
[20de6fb]	1020	std::list<InitAlternative> initAlts;
	1021	for (auto ia : node->initAlts) {
	1022	initAlts.push_back(InitAlternative(
	1023	get<Type> ().accept1(ia.type),
	1024	get<Designation>().accept1(ia.designation)
	1025	));
	1026	}
	1027	auto expr = visitBaseExpr( node,
	1028	new UntypedInitExpr(
	1029	get<Expression>().accept1(node->expr),
	1030	initAlts
	1031	)
	1032	);
	1033	this->node = expr;
[74dbbf6]	1034	return nullptr;
	1035	}
	1036
	1037	const ast::Expr * visit( const ast::InitExpr * node ) override final {
[20de6fb]	1038	auto expr = visitBaseExpr( node,
	1039	new InitExpr(
	1040	get<Expression>().accept1(node->expr),
	1041	get<Designation>().accept1(node->designation)
	1042	)
	1043	);
	1044	this->node = expr;
[74dbbf6]	1045	return nullptr;
	1046	}
	1047
	1048	const ast::Expr * visit( const ast::DeletedExpr * node ) override final {
[20de6fb]	1049	auto expr = visitBaseExpr( node,
	1050	new DeletedExpr(
	1051	get<Expression>().accept1(node->expr),
	1052	inCache(node->deleteStmt) ?
[e67991f]	1053	strict_dynamic_cast<Declaration*>(this->node) :
	1054	get<Declaration>().accept1(node->deleteStmt)
[20de6fb]	1055	)
	1056	);
	1057	this->node = expr;
[74dbbf6]	1058	return nullptr;
	1059	}
	1060
	1061	const ast::Expr * visit( const ast::DefaultArgExpr * node ) override final {
[20de6fb]	1062	auto expr = visitBaseExpr( node,
	1063	new DefaultArgExpr(
	1064	get<Expression>().accept1(node->expr)
	1065	)
	1066	);
	1067	this->node = expr;
[74dbbf6]	1068	return nullptr;
	1069	}
	1070
	1071	const ast::Expr * visit( const ast::GenericExpr * node ) override final {
[20de6fb]	1072	std::list<GenericExpr::Association> associations;
	1073	for (auto association : node->associations) {
	1074	associations.push_back(GenericExpr::Association(
	1075	get<Type> ().accept1(association.type),
	1076	get<Expression>().accept1(association.expr)
	1077	));
	1078	}
	1079	auto expr = visitBaseExpr( node,
	1080	new GenericExpr(
	1081	get<Expression>().accept1(node->control),
	1082	associations
	1083	)
	1084	);
	1085	this->node = expr;
[74dbbf6]	1086	return nullptr;
	1087	}
	1088
[1ae47de]	1089	const ast::Type * visitType( const ast::Type * node, Type * type ) {
	1090	// Some types do this in their constructor so add a check.
	1091	if ( !node->attributes.empty() && type->attributes.empty() ) {
	1092	type->attributes = get<Attribute>().acceptL( node->attributes );
	1093	}
	1094	this->node = type;
[74dbbf6]	1095	return nullptr;
	1096	}
	1097
[1ae47de]	1098	const ast::Type * visit( const ast::VoidType * node ) override final {
	1099	return visitType( node, new VoidType{ cv( node ) } );
	1100	}
	1101
[74dbbf6]	1102	const ast::Type * visit( const ast::BasicType * node ) override final {
[2a54479]	1103	auto type = new BasicType{ cv( node ), (BasicType::Kind)(unsigned)node->kind };
	1104	// I believe this should always be a BasicType.
	1105	if ( sizeType == node ) {
	1106	Validate::SizeType = type;
	1107	}
[1ae47de]	1108	return visitType( node, type );
[74dbbf6]	1109	}
	1110
	1111	const ast::Type * visit( const ast::PointerType * node ) override final {
[1ae47de]	1112	return visitType( node, new PointerType{
[d148778]	1113	cv( node ),
	1114	get<Type>().accept1( node->base ),
	1115	get<Expression>().accept1( node->dimension ),
[746ae82]	1116	(bool)node->isVarLen,
	1117	(bool)node->isStatic
[1ae47de]	1118	} );
[74dbbf6]	1119	}
	1120
	1121	const ast::Type * visit( const ast::ArrayType * node ) override final {
[1ae47de]	1122	return visitType( node, new ArrayType{
[d148778]	1123	cv( node ),
	1124	get<Type>().accept1( node->base ),
	1125	get<Expression>().accept1( node->dimension ),
[746ae82]	1126	(bool)node->isVarLen,
	1127	(bool)node->isStatic
[1ae47de]	1128	} );
[74dbbf6]	1129	}
	1130
	1131	const ast::Type * visit( const ast::ReferenceType * node ) override final {
[1ae47de]	1132	return visitType( node, new ReferenceType{
[d148778]	1133	cv( node ),
	1134	get<Type>().accept1( node->base )
[1ae47de]	1135	} );
[74dbbf6]	1136	}
	1137
	1138	const ast::Type * visit( const ast::QualifiedType * node ) override final {
[1ae47de]	1139	return visitType( node, new QualifiedType{
[d148778]	1140	cv( node ),
	1141	get<Type>().accept1( node->parent ),
	1142	get<Type>().accept1( node->child )
[1ae47de]	1143	} );
[74dbbf6]	1144	}
	1145
	1146	const ast::Type * visit( const ast::FunctionType * node ) override final {
[746ae82]	1147	auto ty = new FunctionType {
[0b57626]	1148	cv( node ),
[746ae82]	1149	(bool)node->isVarArgs
	1150	};
[d148778]	1151	ty->returnVals = get<DeclarationWithType>().acceptL( node->returns );
	1152	ty->parameters = get<DeclarationWithType>().acceptL( node->params );
	1153	ty->forall = get<TypeDecl>().acceptL( node->forall );
[1ae47de]	1154	return visitType( node, ty );
[74dbbf6]	1155	}
	1156
[1ae47de]	1157	const ast::Type * postvisit( const ast::ReferenceToType * old, ReferenceToType * ty ) {
[b869ec5]	1158	ty->forall = get<TypeDecl>().acceptL( old->forall );
	1159	ty->parameters = get<Expression>().acceptL( old->params );
	1160	ty->hoistType = old->hoistType;
[1ae47de]	1161	return visitType( old, ty );
[b869ec5]	1162	}
	1163
[74dbbf6]	1164	const ast::Type * visit( const ast::StructInstType * node ) override final {
[b869ec5]	1165	StructInstType * ty;
	1166	if ( node->base ) {
	1167	ty = new StructInstType{
	1168	cv( node ),
	1169	get<StructDecl>().accept1( node->base ),
	1170	get<Attribute>().acceptL( node->attributes )
	1171	};
	1172	} else {
	1173	ty = new StructInstType{
	1174	cv( node ),
	1175	node->name,
	1176	get<Attribute>().acceptL( node->attributes )
	1177	};
	1178	}
[1ae47de]	1179	return postvisit( node, ty );
[74dbbf6]	1180	}
	1181
	1182	const ast::Type * visit( const ast::UnionInstType * node ) override final {
[b869ec5]	1183	UnionInstType * ty;
	1184	if ( node->base ) {
	1185	ty = new UnionInstType{
	1186	cv( node ),
	1187	get<UnionDecl>().accept1( node->base ),
	1188	get<Attribute>().acceptL( node->attributes )
	1189	};
	1190	} else {
	1191	ty = new UnionInstType{
	1192	cv( node ),
	1193	node->name,
	1194	get<Attribute>().acceptL( node->attributes )
	1195	};
	1196	}
[1ae47de]	1197	return postvisit( node, ty );
[74dbbf6]	1198	}
	1199
	1200	const ast::Type * visit( const ast::EnumInstType * node ) override final {
[b869ec5]	1201	EnumInstType * ty;
	1202	if ( node->base ) {
	1203	ty = new EnumInstType{
	1204	cv( node ),
	1205	get<EnumDecl>().accept1( node->base ),
	1206	get<Attribute>().acceptL( node->attributes )
	1207	};
	1208	} else {
	1209	ty = new EnumInstType{
	1210	cv( node ),
	1211	node->name,
	1212	get<Attribute>().acceptL( node->attributes )
	1213	};
	1214	}
[1ae47de]	1215	return postvisit( node, ty );
[74dbbf6]	1216	}
	1217
	1218	const ast::Type * visit( const ast::TraitInstType * node ) override final {
[b869ec5]	1219	TraitInstType * ty;
	1220	if ( node->base ) {
	1221	ty = new TraitInstType{
	1222	cv( node ),
	1223	get<TraitDecl>().accept1( node->base ),
	1224	get<Attribute>().acceptL( node->attributes )
	1225	};
	1226	} else {
	1227	ty = new TraitInstType{
	1228	cv( node ),
	1229	node->name,
	1230	get<Attribute>().acceptL( node->attributes )
	1231	};
	1232	}
[1ae47de]	1233	return postvisit( node, ty );
[74dbbf6]	1234	}
	1235
	1236	const ast::Type * visit( const ast::TypeInstType * node ) override final {
[b869ec5]	1237	TypeInstType * ty;
	1238	if ( node->base ) {
	1239	ty = new TypeInstType{
	1240	cv( node ),
	1241	node->name,
	1242	get<TypeDecl>().accept1( node->base ),
	1243	get<Attribute>().acceptL( node->attributes )
	1244	};
	1245	} else {
	1246	ty = new TypeInstType{
	1247	cv( node ),
	1248	node->name,
	1249	node->kind == ast::TypeVar::Ftype,
	1250	get<Attribute>().acceptL( node->attributes )
	1251	};
	1252	}
[1ae47de]	1253	return postvisit( node, ty );
[74dbbf6]	1254	}
	1255
	1256	const ast::Type * visit( const ast::TupleType * node ) override final {
[1ae47de]	1257	return visitType( node, new TupleType{
[746ae82]	1258	cv( node ),
	1259	get<Type>().acceptL( node->types )
	1260	// members generated by TupleType c'tor
[1ae47de]	1261	} );
[74dbbf6]	1262	}
	1263
	1264	const ast::Type * visit( const ast::TypeofType * node ) override final {
[1ae47de]	1265	return visitType( node, new TypeofType{
[746ae82]	1266	cv( node ),
	1267	get<Expression>().accept1( node->expr ),
	1268	(bool)node->kind
[1ae47de]	1269	} );
[74dbbf6]	1270	}
	1271
	1272	const ast::Type * visit( const ast::VarArgsType * node ) override final {
[1ae47de]	1273	return visitType( node, new VarArgsType{ cv( node ) } );
[74dbbf6]	1274	}
	1275
	1276	const ast::Type * visit( const ast::ZeroType * node ) override final {
[1ae47de]	1277	return visitType( node, new ZeroType{ cv( node ) } );
[74dbbf6]	1278	}
	1279
	1280	const ast::Type * visit( const ast::OneType * node ) override final {
[1ae47de]	1281	return visitType( node, new OneType{ cv( node ) } );
[74dbbf6]	1282	}
	1283
[1ae47de]	1284	const ast::Type * visit( const ast::GlobalScopeType * node ) override final {
	1285	return visitType( node, new GlobalScopeType{} );
[74dbbf6]	1286	}
	1287
	1288	const ast::Designation * visit( const ast::Designation * node ) override final {
[74ad8c0]	1289	auto designation = new Designation( get<Expression>().acceptL( node->designators ) );
	1290	designation->location = node->location;
	1291	this->node = designation;
[74dbbf6]	1292	return nullptr;
	1293	}
	1294
	1295	const ast::Init * visit( const ast::SingleInit * node ) override final {
[74ad8c0]	1296	auto init = new SingleInit(
	1297	get<Expression>().accept1( node->value ),
	1298	ast::MaybeConstruct == node->maybeConstructed
	1299	);
	1300	init->location = node->location;
	1301	this->node = init;
[74dbbf6]	1302	return nullptr;
	1303	}
	1304
	1305	const ast::Init * visit( const ast::ListInit * node ) override final {
[74ad8c0]	1306	auto init = new ListInit(
	1307	get<Initializer>().acceptL( node->initializers ),
	1308	get<Designation>().acceptL( node->designations ),
	1309	ast::MaybeConstruct == node->maybeConstructed
	1310	);
	1311	init->location = node->location;
	1312	this->node = init;
[74dbbf6]	1313	return nullptr;
	1314	}
	1315
	1316	const ast::Init * visit( const ast::ConstructorInit * node ) override final {
[74ad8c0]	1317	auto init = new ConstructorInit(
	1318	get<Statement>().accept1( node->ctor ),
	1319	get<Statement>().accept1( node->dtor ),
	1320	get<Initializer>().accept1( node->init )
	1321	);
	1322	init->location = node->location;
	1323	this->node = init;
[74dbbf6]	1324	return nullptr;
	1325	}
	1326
	1327	const ast::Attribute * visit( const ast::Attribute * node ) override final {
[dd6d7c6]	1328	auto attr = new Attribute(
	1329	node->name,
[489bacf]	1330	get<Expression>().acceptL(node->params)
[dd6d7c6]	1331	);
	1332	this->node = attr;
[74dbbf6]	1333	return nullptr;
	1334	}
	1335
	1336	const ast::TypeSubstitution * visit( const ast::TypeSubstitution * node ) override final {
[dd6d7c6]	1337	// Handled by convertTypeSubstitution helper instead.
	1338	// TypeSubstitution is not a node in the old model, so the conversion result wouldn't fit in this->node.
	1339	assert( 0 );
[0b57626]	1340	(void)node;
[74dbbf6]	1341	return nullptr;
	1342	}
[6d51bd7]	1343	};
	1344
[8abee136]	1345	std::list< Declaration * > convert( const std::list< ast::ptr< ast::Decl > > && translationUnit ) {
[74dbbf6]	1346	ConverterNewToOld c;
	1347	std::list< Declaration * > decls;
	1348	for(auto d : translationUnit) {
[675d816]	1349	decls.emplace_back( c.decl( d ) );
[74dbbf6]	1350	}
	1351	return decls;
[6d51bd7]	1352	}
	1353
	1354	//================================================================================================
	1355
	1356	class ConverterOldToNew : public Visitor {
	1357	public:
	1358	ast::Decl * decl() {
	1359	return strict_dynamic_cast< ast::Decl * >( node );
	1360	}
[546e712]	1361
	1362	ConverterOldToNew() = default;
	1363	ConverterOldToNew(const ConverterOldToNew &) = delete;
	1364	ConverterOldToNew(ConverterOldToNew &&) = delete;
[6d51bd7]	1365	private:
[d148778]	1366	/// conversion output
[546e712]	1367	ast::Node * node = nullptr;
[d148778]	1368	/// cache of nodes that might be referenced by readonly<> for de-duplication
[7870799]	1369	std::unordered_map< const BaseSyntaxNode , ast::Node > cache = {};
[6d51bd7]	1370
[6f8e87d]	1371	// Local Utilities:
	1372
	1373	template<typename NewT, typename OldT>
	1374	NewT * getAccept1( OldT old ) {
[d148778]	1375	if ( ! old ) return nullptr;
[6f8e87d]	1376	old->accept(*this);
[2c04369]	1377	ast::Node * ret = node;
	1378	node = nullptr;
	1379	return strict_dynamic_cast< NewT * >( ret );
[6f8e87d]	1380	}
	1381
	1382	# define GET_ACCEPT_1(child, type) \
	1383	getAccept1< ast::type, decltype( old->child ) >( old->child )
	1384
	1385	template<typename NewT, typename OldC>
[a62749f]	1386	std::vector< ast::ptr<NewT> > getAcceptV( const OldC& old ) {
[6f8e87d]	1387	std::vector< ast::ptr<NewT> > ret;
	1388	ret.reserve( old.size() );
	1389	for ( auto a : old ) {
	1390	a->accept( *this );
	1391	ret.emplace_back( strict_dynamic_cast< NewT * >(node) );
[2c04369]	1392	node = nullptr;
[6f8e87d]	1393	}
	1394	return ret;
	1395	}
	1396
	1397	# define GET_ACCEPT_V(child, type) \
	1398	getAcceptV< ast::type, decltype( old->child ) >( old->child )
[6355ba7]	1399
[60aaa51d]	1400	template<typename NewT, typename OldC>
[a62749f]	1401	std::deque< ast::ptr<NewT> > getAcceptD( const OldC& old ) {
[60aaa51d]	1402	std::deque< ast::ptr<NewT> > ret;
	1403	for ( auto a : old ) {
	1404	a->accept( *this );
	1405	ret.emplace_back( strict_dynamic_cast< NewT * >(node) );
	1406	node = nullptr;
	1407	}
	1408	return ret;
	1409	}
	1410
	1411	# define GET_ACCEPT_D(child, type) \
	1412	getAcceptD< ast::type, decltype( old->child ) >( old->child )
[6f8e87d]	1413
[a62749f]	1414	ast::Label make_label(const Label* old) {
	1415	CodeLocation const & location =
	1416	( old->labelled ) ? old->labelled->location : CodeLocation();
[6f8e87d]	1417	return ast::Label(
[a62749f]	1418	location,
[6f8e87d]	1419	old->name,
	1420	GET_ACCEPT_V(attributes, Attribute)
	1421	);
	1422	}
	1423
[6d51bd7]	1424	template<template <class...> class C>
	1425	C<ast::Label> make_labels(C<Label> olds) {
	1426	C<ast::Label> ret;
[6f8e87d]	1427	for (auto oldn : olds) {
	1428	ret.push_back( make_label( &oldn ) );
[6d51bd7]	1429	}
	1430	return ret;
	1431	}
	1432
[6f8e87d]	1433	# define GET_LABELS_V(labels) \
	1434	to<std::vector>::from( make_labels( std::move( labels ) ) )
[0b57626]	1435
[7870799]	1436	static ast::CV::Qualifiers cv( const Type * ty ) { return { ty->tq.val }; }
[d148778]	1437
[b869ec5]	1438	/// returns true and sets `node` if in cache
[7870799]	1439	bool inCache( const BaseSyntaxNode * old ) {
[d148778]	1440	auto it = cache.find( old );
[b869ec5]	1441	if ( it == cache.end() ) return false;
	1442	node = it->second;
	1443	return true;
[d148778]	1444	}
[6f8e87d]	1445
	1446	// Now all the visit functions:
	1447
[7870799]	1448	virtual void visit( const ObjectDecl * old ) override final {
[546e712]	1449	auto&& type = GET_ACCEPT_1(type, Type);
	1450	auto&& init = GET_ACCEPT_1(init, Init);
	1451	auto&& bfwd = GET_ACCEPT_1(bitfieldWidth, Expr);
	1452	auto&& attr = GET_ACCEPT_V(attributes, Attribute);
	1453	if ( inCache( old ) ) {
	1454	return;
	1455	}
[6d51bd7]	1456	auto decl = new ast::ObjectDecl(
	1457	old->location,
	1458	old->name,
[546e712]	1459	type,
	1460	init,
[6d51bd7]	1461	{ old->get_storageClasses().val },
	1462	{ old->linkage.val },
[546e712]	1463	bfwd,
	1464	std::move(attr),
[6d51bd7]	1465	{ old->get_funcSpec().val }
	1466	);
[546e712]	1467	cache.emplace(old, decl);
	1468	assert(cache.find( old ) != cache.end());
[6d51bd7]	1469	decl->scopeLevel = old->scopeLevel;
	1470	decl->mangleName = old->mangleName;
	1471	decl->isDeleted = old->isDeleted;
[e6faef4]	1472	decl->asmName = GET_ACCEPT_1(asmName, Expr);
[6d51bd7]	1473	decl->uniqueId = old->uniqueId;
	1474	decl->extension = old->extension;
	1475
	1476	this->node = decl;
	1477	}
	1478
[7870799]	1479	virtual void visit( const FunctionDecl * old ) override final {
[b869ec5]	1480	if ( inCache( old ) ) return;
[9a0cd9c]	1481	auto decl = new ast::FunctionDecl{
	1482	old->location,
	1483	old->name,
	1484	GET_ACCEPT_1(type, FunctionType),
[d88f8b3b]	1485	{},
[9a0cd9c]	1486	{ old->storageClasses.val },
	1487	{ old->linkage.val },
	1488	GET_ACCEPT_V(attributes, Attribute),
	1489	{ old->get_funcSpec().val }
	1490	};
[8abee136]	1491	cache.emplace( old, decl );
[d76c588]	1492	decl->withExprs = GET_ACCEPT_V(withExprs, Expr);
[d88f8b3b]	1493	decl->stmts = GET_ACCEPT_1(statements, CompoundStmt);
[9a0cd9c]	1494	decl->scopeLevel = old->scopeLevel;
	1495	decl->mangleName = old->mangleName;
	1496	decl->isDeleted = old->isDeleted;
[e6faef4]	1497	decl->asmName = GET_ACCEPT_1(asmName, Expr);
[9a0cd9c]	1498	decl->uniqueId = old->uniqueId;
	1499	decl->extension = old->extension;
	1500
	1501	this->node = decl;
[157a816]	1502
[0aedb01]	1503	if ( Validate::dereferenceOperator == old ) {
[157a816]	1504	dereferenceOperator = decl;
	1505	}
[043a5b6]	1506
	1507	if ( Validate::dtorStructDestroy == old ) {
	1508	dtorStructDestroy = decl;
	1509	}
[6d51bd7]	1510	}
	1511
[7870799]	1512	virtual void visit( const StructDecl * old ) override final {
[b869ec5]	1513	if ( inCache( old ) ) return;
[6d51bd7]	1514	auto decl = new ast::StructDecl(
	1515	old->location,
	1516	old->name,
	1517	old->kind,
[d66e7b7]	1518	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1519	{ old->linkage.val }
	1520	);
[8abee136]	1521	cache.emplace( old, decl );
[d66e7b7]	1522	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1523	decl->body = old->body;
[d66e7b7]	1524	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1525	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1526	decl->extension = old->extension;
	1527	decl->uniqueId = old->uniqueId;
	1528	decl->storage = { old->storageClasses.val };
	1529
	1530	this->node = decl;
[043a5b6]	1531
	1532	if ( Validate::dtorStruct == old ) {
	1533	dtorStruct = decl;
	1534	}
[6d51bd7]	1535	}
	1536
[7870799]	1537	virtual void visit( const UnionDecl * old ) override final {
[b869ec5]	1538	if ( inCache( old ) ) return;
[6d51bd7]	1539	auto decl = new ast::UnionDecl(
	1540	old->location,
	1541	old->name,
[d66e7b7]	1542	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1543	{ old->linkage.val }
	1544	);
[8abee136]	1545	cache.emplace( old, decl );
[d66e7b7]	1546	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1547	decl->body = old->body;
[d66e7b7]	1548	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1549	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1550	decl->extension = old->extension;
	1551	decl->uniqueId = old->uniqueId;
	1552	decl->storage = { old->storageClasses.val };
	1553
	1554	this->node = decl;
	1555	}
	1556
[7870799]	1557	virtual void visit( const EnumDecl * old ) override final {
[b869ec5]	1558	if ( inCache( old ) ) return;
[157a816]	1559	auto decl = new ast::EnumDecl(
[6d51bd7]	1560	old->location,
	1561	old->name,
[d66e7b7]	1562	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1563	{ old->linkage.val }
	1564	);
[8abee136]	1565	cache.emplace( old, decl );
[d66e7b7]	1566	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1567	decl->body = old->body;
[d66e7b7]	1568	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1569	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1570	decl->extension = old->extension;
	1571	decl->uniqueId = old->uniqueId;
	1572	decl->storage = { old->storageClasses.val };
	1573
	1574	this->node = decl;
	1575	}
	1576
[7870799]	1577	virtual void visit( const TraitDecl * old ) override final {
[b869ec5]	1578	if ( inCache( old ) ) return;
[157a816]	1579	auto decl = new ast::TraitDecl(
[6d51bd7]	1580	old->location,
	1581	old->name,
[d66e7b7]	1582	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1583	{ old->linkage.val }
	1584	);
[8abee136]	1585	cache.emplace( old, decl );
[d66e7b7]	1586	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1587	decl->body = old->body;
[d66e7b7]	1588	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1589	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1590	decl->extension = old->extension;
	1591	decl->uniqueId = old->uniqueId;
	1592	decl->storage = { old->storageClasses.val };
	1593
	1594	this->node = decl;
	1595	}
	1596
[7870799]	1597	virtual void visit( const TypeDecl * old ) override final {
[0b57626]	1598	if ( inCache( old ) ) return;
[9a0cd9c]	1599	auto decl = new ast::TypeDecl{
	1600	old->location,
	1601	old->name,
	1602	{ old->storageClasses.val },
	1603	GET_ACCEPT_1(base, Type),
	1604	(ast::TypeVar::Kind)(unsigned)old->kind,
	1605	old->sized,
	1606	GET_ACCEPT_1(init, Type)
	1607	};
[8abee136]	1608	cache.emplace( old, decl );
[9a0cd9c]	1609	decl->assertions = GET_ACCEPT_V(assertions, DeclWithType);
	1610	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1611	decl->extension = old->extension;
	1612	decl->uniqueId = old->uniqueId;
	1613
	1614	this->node = decl;
[6d51bd7]	1615	}
	1616
[7870799]	1617	virtual void visit( const TypedefDecl * old ) override final {
[6d51bd7]	1618	auto decl = new ast::TypedefDecl(
	1619	old->location,
	1620	old->name,
	1621	{ old->storageClasses.val },
[d66e7b7]	1622	GET_ACCEPT_1(base, Type),
[6d51bd7]	1623	{ old->linkage.val }
	1624	);
[d66e7b7]	1625	decl->assertions = GET_ACCEPT_V(assertions, DeclWithType);
	1626	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
[6d51bd7]	1627	decl->extension = old->extension;
	1628	decl->uniqueId = old->uniqueId;
	1629	decl->storage = { old->storageClasses.val };
	1630
	1631	this->node = decl;
	1632	}
	1633
[7870799]	1634	virtual void visit( const AsmDecl * old ) override final {
[9a0cd9c]	1635	auto decl = new ast::AsmDecl{
[0b57626]	1636	old->location,
[9a0cd9c]	1637	GET_ACCEPT_1(stmt, AsmStmt)
	1638	};
	1639	decl->extension = old->extension;
	1640	decl->uniqueId = old->uniqueId;
	1641	decl->storage = { old->storageClasses.val };
[6d51bd7]	1642
[9a0cd9c]	1643	this->node = decl;
[6d51bd7]	1644	}
	1645
[7870799]	1646	virtual void visit( const StaticAssertDecl * old ) override final {
[9a0cd9c]	1647	auto decl = new ast::StaticAssertDecl{
	1648	old->location,
	1649	GET_ACCEPT_1(condition, Expr),
	1650	GET_ACCEPT_1(message, ConstantExpr)
	1651	};
	1652	decl->extension = old->extension;
	1653	decl->uniqueId = old->uniqueId;
	1654	decl->storage = { old->storageClasses.val };
[6d51bd7]	1655
[9a0cd9c]	1656	this->node = decl;
[6d51bd7]	1657	}
	1658
[7870799]	1659	virtual void visit( const CompoundStmt * old ) override final {
[4073b16]	1660	if ( inCache( old ) ) return;
[6d51bd7]	1661	auto stmt = new ast::CompoundStmt(
	1662	old->location,
[d66e7b7]	1663	to<std::list>::from( GET_ACCEPT_V(kids, Stmt) ),
	1664	GET_LABELS_V(old->labels)
[6d51bd7]	1665	);
	1666
	1667	this->node = stmt;
[4073b16]	1668	cache.emplace( old, this->node );
[6d51bd7]	1669	}
	1670
[7870799]	1671	virtual void visit( const ExprStmt * old ) override final {
[4073b16]	1672	if ( inCache( old ) ) return;
[6f8e87d]	1673	this->node = new ast::ExprStmt(
[6d51bd7]	1674	old->location,
[6f8e87d]	1675	GET_ACCEPT_1(expr, Expr),
	1676	GET_LABELS_V(old->labels)
[6d51bd7]	1677	);
[4073b16]	1678	cache.emplace( old, this->node );
[6d51bd7]	1679	}
	1680
[7870799]	1681	virtual void visit( const AsmStmt * old ) override final {
[4073b16]	1682	if ( inCache( old ) ) return;
[6f8e87d]	1683	this->node = new ast::AsmStmt(
	1684	old->location,
	1685	old->voltile,
	1686	GET_ACCEPT_1(instruction, Expr),
	1687	GET_ACCEPT_V(output, Expr),
	1688	GET_ACCEPT_V(input, Expr),
	1689	GET_ACCEPT_V(clobber, ConstantExpr),
	1690	GET_LABELS_V(old->gotolabels),
	1691	GET_LABELS_V(old->labels)
	1692	);
[4073b16]	1693	cache.emplace( old, this->node );
[6d51bd7]	1694	}
	1695
[7870799]	1696	virtual void visit( const DirectiveStmt * old ) override final {
[4073b16]	1697	if ( inCache( old ) ) return;
[6f8e87d]	1698	this->node = new ast::DirectiveStmt(
	1699	old->location,
	1700	old->directive,
	1701	GET_LABELS_V(old->labels)
	1702	);
[4073b16]	1703	cache.emplace( old, this->node );
[6d51bd7]	1704	}
	1705
[7870799]	1706	virtual void visit( const IfStmt * old ) override final {
[4073b16]	1707	if ( inCache( old ) ) return;
[6f8e87d]	1708	this->node = new ast::IfStmt(
	1709	old->location,
	1710	GET_ACCEPT_1(condition, Expr),
	1711	GET_ACCEPT_1(thenPart, Stmt),
	1712	GET_ACCEPT_1(elsePart, Stmt),
	1713	GET_ACCEPT_V(initialization, Stmt),
	1714	GET_LABELS_V(old->labels)
	1715	);
[4073b16]	1716	cache.emplace( old, this->node );
[6d51bd7]	1717	}
	1718
[7870799]	1719	virtual void visit( const SwitchStmt * old ) override final {
[4073b16]	1720	if ( inCache( old ) ) return;
[6f8e87d]	1721	this->node = new ast::SwitchStmt(
	1722	old->location,
	1723	GET_ACCEPT_1(condition, Expr),
	1724	GET_ACCEPT_V(statements, Stmt),
	1725	GET_LABELS_V(old->labels)
	1726	);
[4073b16]	1727	cache.emplace( old, this->node );
[6d51bd7]	1728	}
	1729
[7870799]	1730	virtual void visit( const CaseStmt * old ) override final {
[4073b16]	1731	if ( inCache( old ) ) return;
[6f8e87d]	1732	this->node = new ast::CaseStmt(
	1733	old->location,
	1734	GET_ACCEPT_1(condition, Expr),
	1735	GET_ACCEPT_V(stmts, Stmt),
	1736	GET_LABELS_V(old->labels)
	1737	);
[4073b16]	1738	cache.emplace( old, this->node );
[6d51bd7]	1739	}
	1740
[7870799]	1741	virtual void visit( const WhileStmt * old ) override final {
[4073b16]	1742	if ( inCache( old ) ) return;
[6f8e87d]	1743	this->node = new ast::WhileStmt(
	1744	old->location,
	1745	GET_ACCEPT_1(condition, Expr),
	1746	GET_ACCEPT_1(body, Stmt),
	1747	GET_ACCEPT_V(initialization, Stmt),
	1748	old->isDoWhile,
	1749	GET_LABELS_V(old->labels)
	1750	);
[4073b16]	1751	cache.emplace( old, this->node );
[6d51bd7]	1752	}
	1753
[7870799]	1754	virtual void visit( const ForStmt * old ) override final {
[4073b16]	1755	if ( inCache( old ) ) return;
[6f8e87d]	1756	this->node = new ast::ForStmt(
	1757	old->location,
	1758	GET_ACCEPT_V(initialization, Stmt),
	1759	GET_ACCEPT_1(condition, Expr),
	1760	GET_ACCEPT_1(increment, Expr),
	1761	GET_ACCEPT_1(body, Stmt),
	1762	GET_LABELS_V(old->labels)
	1763	);
[4073b16]	1764	cache.emplace( old, this->node );
[6d51bd7]	1765	}
	1766
[7870799]	1767	virtual void visit( const BranchStmt * old ) override final {
[4073b16]	1768	if ( inCache( old ) ) return;
[6f8e87d]	1769	if (old->computedTarget) {
	1770	this->node = new ast::BranchStmt(
	1771	old->location,
	1772	GET_ACCEPT_1(computedTarget, Expr),
	1773	GET_LABELS_V(old->labels)
	1774	);
	1775	} else {
	1776	ast::BranchStmt::Kind kind;
	1777	switch (old->type) {
	1778	#define CASE(n) \
	1779	case BranchStmt::n: \
	1780	kind = ast::BranchStmt::n; \
	1781	break
	1782	CASE(Goto);
	1783	CASE(Break);
	1784	CASE(Continue);
	1785	CASE(FallThrough);
	1786	CASE(FallThroughDefault);
	1787	#undef CASE
[d66e7b7]	1788	default:
	1789	assertf(false, "Invalid BranchStmt::Type %d\n", old->type);
[6f8e87d]	1790	}
	1791
	1792	auto stmt = new ast::BranchStmt(
	1793	old->location,
	1794	kind,
[a62749f]	1795	make_label(&old->originalTarget),
[6f8e87d]	1796	GET_LABELS_V(old->labels)
	1797	);
	1798	stmt->target = make_label(&old->target);
	1799	this->node = stmt;
	1800	}
[4073b16]	1801	cache.emplace( old, this->node );
[6d51bd7]	1802	}
	1803
[7870799]	1804	virtual void visit( const ReturnStmt * old ) override final {
[4073b16]	1805	if ( inCache( old ) ) return;
[6f8e87d]	1806	this->node = new ast::ReturnStmt(
	1807	old->location,
	1808	GET_ACCEPT_1(expr, Expr),
	1809	GET_LABELS_V(old->labels)
	1810	);
[4073b16]	1811	cache.emplace( old, this->node );
[6d51bd7]	1812	}
	1813
[7870799]	1814	virtual void visit( const ThrowStmt * old ) override final {
[4073b16]	1815	if ( inCache( old ) ) return;
[6f4b7f2]	1816	ast::ExceptionKind kind;
[6f8e87d]	1817	switch (old->kind) {
	1818	case ThrowStmt::Terminate:
[6f4b7f2]	1819	kind = ast::ExceptionKind::Terminate;
[6f8e87d]	1820	break;
	1821	case ThrowStmt::Resume:
[6f4b7f2]	1822	kind = ast::ExceptionKind::Resume;
[6f8e87d]	1823	break;
[d66e7b7]	1824	default:
	1825	assertf(false, "Invalid ThrowStmt::Kind %d\n", old->kind);
[6f8e87d]	1826	}
[6d51bd7]	1827
[6f8e87d]	1828	this->node = new ast::ThrowStmt(
	1829	old->location,
	1830	kind,
	1831	GET_ACCEPT_1(expr, Expr),
	1832	GET_ACCEPT_1(target, Expr),
	1833	GET_LABELS_V(old->labels)
	1834	);
[4073b16]	1835	cache.emplace( old, this->node );
[6d51bd7]	1836	}
	1837
[7870799]	1838	virtual void visit( const TryStmt * old ) override final {
[4073b16]	1839	if ( inCache( old ) ) return;
[6f8e87d]	1840	this->node = new ast::TryStmt(
	1841	old->location,
	1842	GET_ACCEPT_1(block, CompoundStmt),
	1843	GET_ACCEPT_V(handlers, CatchStmt),
	1844	GET_ACCEPT_1(finallyBlock, FinallyStmt),
	1845	GET_LABELS_V(old->labels)
	1846	);
[4073b16]	1847	cache.emplace( old, this->node );
[6d51bd7]	1848	}
	1849
[7870799]	1850	virtual void visit( const CatchStmt * old ) override final {
[4073b16]	1851	if ( inCache( old ) ) return;
[6f4b7f2]	1852	ast::ExceptionKind kind;
[6f8e87d]	1853	switch (old->kind) {
	1854	case CatchStmt::Terminate:
[6f4b7f2]	1855	kind = ast::ExceptionKind::Terminate;
[6f8e87d]	1856	break;
	1857	case CatchStmt::Resume:
[6f4b7f2]	1858	kind = ast::ExceptionKind::Resume;
[6f8e87d]	1859	break;
[d66e7b7]	1860	default:
	1861	assertf(false, "Invalid CatchStmt::Kind %d\n", old->kind);
[6f8e87d]	1862	}
[6d51bd7]	1863
[6f8e87d]	1864	this->node = new ast::CatchStmt(
	1865	old->location,
	1866	kind,
	1867	GET_ACCEPT_1(decl, Decl),
	1868	GET_ACCEPT_1(cond, Expr),
	1869	GET_ACCEPT_1(body, Stmt),
	1870	GET_LABELS_V(old->labels)
	1871	);
[4073b16]	1872	cache.emplace( old, this->node );
[6d51bd7]	1873	}
	1874
[7870799]	1875	virtual void visit( const FinallyStmt * old ) override final {
[4073b16]	1876	if ( inCache( old ) ) return;
[6f8e87d]	1877	this->node = new ast::FinallyStmt(
	1878	old->location,
	1879	GET_ACCEPT_1(block, CompoundStmt),
	1880	GET_LABELS_V(old->labels)
	1881	);
[4073b16]	1882	cache.emplace( old, this->node );
[6d51bd7]	1883	}
	1884
[7870799]	1885	virtual void visit( const WaitForStmt * old ) override final {
[4073b16]	1886	if ( inCache( old ) ) return;
[6f8e87d]	1887	ast::WaitForStmt * stmt = new ast::WaitForStmt(
	1888	old->location,
	1889	GET_LABELS_V(old->labels)
	1890	);
[6d51bd7]	1891
[6f8e87d]	1892	stmt->clauses.reserve( old->clauses.size() );
	1893	for (size_t i = 0 ; i < old->clauses.size() ; ++i) {
	1894	stmt->clauses.push_back({
	1895	ast::WaitForStmt::Target{
	1896	GET_ACCEPT_1(clauses[i].target.function, Expr),
	1897	GET_ACCEPT_V(clauses[i].target.arguments, Expr)
	1898	},
	1899	GET_ACCEPT_1(clauses[i].statement, Stmt),
	1900	GET_ACCEPT_1(clauses[i].condition, Expr)
	1901	});
	1902	}
	1903	stmt->timeout = {
	1904	GET_ACCEPT_1(timeout.time, Expr),
	1905	GET_ACCEPT_1(timeout.statement, Stmt),
	1906	GET_ACCEPT_1(timeout.condition, Expr),
	1907	};
	1908	stmt->orElse = {
[1e5dedc4]	1909	GET_ACCEPT_1(orelse.statement, Stmt),
	1910	GET_ACCEPT_1(orelse.condition, Expr),
[6f8e87d]	1911	};
[6d51bd7]	1912
[6f8e87d]	1913	this->node = stmt;
[4073b16]	1914	cache.emplace( old, this->node );
[6f8e87d]	1915	}
[6d51bd7]	1916
[7870799]	1917	virtual void visit( const WithStmt * old ) override final {
[4073b16]	1918	if ( inCache( old ) ) return;
[6f8e87d]	1919	this->node = new ast::WithStmt(
	1920	old->location,
	1921	GET_ACCEPT_V(exprs, Expr),
[e67991f]	1922	GET_ACCEPT_1(stmt, Stmt)
[6f8e87d]	1923	);
[4073b16]	1924	cache.emplace( old, this->node );
[6d51bd7]	1925	}
	1926
[7870799]	1927	virtual void visit( const NullStmt * old ) override final {
[4073b16]	1928	if ( inCache( old ) ) return;
[6f8e87d]	1929	this->node = new ast::NullStmt(
[6d51bd7]	1930	old->location,
[6f8e87d]	1931	GET_LABELS_V(old->labels)
[6d51bd7]	1932	);
[4073b16]	1933	cache.emplace( old, this->node );
[6d51bd7]	1934	}
	1935
[7870799]	1936	virtual void visit( const DeclStmt * old ) override final {
[4073b16]	1937	if ( inCache( old ) ) return;
[6f8e87d]	1938	this->node = new ast::DeclStmt(
	1939	old->location,
	1940	GET_ACCEPT_1(decl, Decl),
	1941	GET_LABELS_V(old->labels)
	1942	);
[4073b16]	1943	cache.emplace( old, this->node );
[6d51bd7]	1944	}
	1945
[7870799]	1946	virtual void visit( const ImplicitCtorDtorStmt * old ) override final {
[4073b16]	1947	if ( inCache( old ) ) return;
[f685679]	1948	auto stmt = new ast::ImplicitCtorDtorStmt(
[6f8e87d]	1949	old->location,
[f685679]	1950	nullptr,
[6f8e87d]	1951	GET_LABELS_V(old->labels)
	1952	);
[2c04369]	1953	cache.emplace( old, stmt );
[f685679]	1954	stmt->callStmt = GET_ACCEPT_1(callStmt, Stmt);
[2c04369]	1955	this->node = stmt;
[6d51bd7]	1956	}
	1957
[172d9342]	1958	ast::TypeSubstitution * convertTypeSubstitution(const TypeSubstitution * old) {
	1959
[8abee136]	1960	if (!old) return nullptr;
	1961
[172d9342]	1962	ast::TypeSubstitution *rslt = new ast::TypeSubstitution();
	1963
	1964	for (decltype(old->begin()) old_i = old->begin(); old_i != old->end(); old_i++) {
	1965	rslt->add( old_i->first,
	1966	getAccept1<ast::Type>(old_i->second) );
	1967	}
[6d51bd7]	1968
[172d9342]	1969	for (decltype(old->beginVar()) old_i = old->beginVar(); old_i != old->endVar(); old_i++) {
	1970	rslt->addVar( old_i->first,
	1971	getAccept1<ast::Expr>(old_i->second) );
	1972	}
[19e567dd]	1973
	1974	return rslt;
[6d51bd7]	1975	}
	1976
[e0016a5]	1977	void convertInferUnion(ast::Expr::InferUnion &newInferred,
[19e567dd]	1978	const std::map<UniqueId,ParamEntry> &oldInferParams,
	1979	const std::vector<UniqueId> &oldResnSlots) {
	1980
	1981	assert( oldInferParams.empty() \|\| oldResnSlots.empty() );
	1982	assert( newInferred.mode == ast::Expr::InferUnion::Empty );
	1983
	1984	if ( !oldInferParams.empty() ) {
	1985	ast::InferredParams &tgt = newInferred.inferParams();
[8b34df0]	1986	for (auto & old : oldInferParams) {
[19e567dd]	1987	tgt[old.first] = ast::ParamEntry(
	1988	old.second.decl,
[aaeacf4]	1989	getAccept1<ast::Decl>(old.second.declptr),
[19e567dd]	1990	getAccept1<ast::Type>(old.second.actualType),
	1991	getAccept1<ast::Type>(old.second.formalType),
	1992	getAccept1<ast::Expr>(old.second.expr)
	1993	);
	1994	}
	1995	} else if ( !oldResnSlots.empty() ) {
	1996	ast::ResnSlots &tgt = newInferred.resnSlots();
	1997	for (auto old : oldResnSlots) {
	1998	tgt.push_back(old);
	1999	}
	2000	}
[172d9342]	2001	}
	2002
[7870799]	2003	ast::Expr * visitBaseExpr_SkipResultType( const Expression * old, ast::Expr * nw) {
[6d51bd7]	2004
[172d9342]	2005	nw->env = convertTypeSubstitution(old->env);
	2006
	2007	nw->extension = old->extension;
	2008	convertInferUnion(nw->inferred, old->inferParams, old->resnSlots);
	2009
	2010	return nw;
	2011	}
[6d51bd7]	2012
[7870799]	2013	ast::Expr * visitBaseExpr( const Expression * old, ast::Expr * nw) {
[20de6fb]	2014
	2015	nw->result = GET_ACCEPT_1(result, Type);
	2016	return visitBaseExpr_SkipResultType(old, nw);;
	2017	}
	2018
[7870799]	2019	virtual void visit( const ApplicationExpr * old ) override final {
[19e567dd]	2020	this->node = visitBaseExpr( old,
	2021	new ast::ApplicationExpr(
	2022	old->location,
	2023	GET_ACCEPT_1(function, Expr),
	2024	GET_ACCEPT_V(args, Expr)
	2025	)
	2026	);
[6d51bd7]	2027	}
	2028
[7870799]	2029	virtual void visit( const UntypedExpr * old ) override final {
[19e567dd]	2030	this->node = visitBaseExpr( old,
	2031	new ast::UntypedExpr(
	2032	old->location,
	2033	GET_ACCEPT_1(function, Expr),
	2034	GET_ACCEPT_V(args, Expr)
	2035	)
	2036	);
[172d9342]	2037	}
[6d51bd7]	2038
[7870799]	2039	virtual void visit( const NameExpr * old ) override final {
[172d9342]	2040	this->node = visitBaseExpr( old,
	2041	new ast::NameExpr(
	2042	old->location,
	2043	old->get_name()
	2044	)
	2045	);
[6d51bd7]	2046	}
	2047
[7870799]	2048	virtual void visit( const CastExpr * old ) override final {
[19e567dd]	2049	this->node = visitBaseExpr( old,
	2050	new ast::CastExpr(
	2051	old->location,
[28c89f4]	2052	GET_ACCEPT_1(arg, Expr),
[19e567dd]	2053	old->isGenerated ? ast::GeneratedCast : ast::ExplicitCast
	2054	)
	2055	);
[6d51bd7]	2056	}
	2057
[7870799]	2058	virtual void visit( const KeywordCastExpr * old) override final {
[28c89f4]	2059	ast::KeywordCastExpr::Target castTarget = ast::KeywordCastExpr::NUMBER_OF_TARGETS;
	2060	switch (old->target) {
	2061	case KeywordCastExpr::Coroutine:
	2062	castTarget = ast::KeywordCastExpr::Coroutine;
	2063	break;
	2064	case KeywordCastExpr::Thread:
	2065	castTarget = ast::KeywordCastExpr::Thread;
	2066	break;
	2067	case KeywordCastExpr::Monitor:
	2068	castTarget = ast::KeywordCastExpr::Monitor;
	2069	break;
	2070	default:
	2071	break;
	2072	}
	2073	assert ( castTarget < ast::KeywordCastExpr::NUMBER_OF_TARGETS );
	2074	this->node = visitBaseExpr( old,
	2075	new ast::KeywordCastExpr(
	2076	old->location,
	2077	GET_ACCEPT_1(arg, Expr),
	2078	castTarget
	2079	)
	2080	);
[6d51bd7]	2081	}
	2082
[7870799]	2083	virtual void visit( const VirtualCastExpr * old ) override final {
[20de6fb]	2084	this->node = visitBaseExpr_SkipResultType( old,
[28c89f4]	2085	new ast::VirtualCastExpr(
	2086	old->location,
	2087	GET_ACCEPT_1(arg, Expr),
[20de6fb]	2088	GET_ACCEPT_1(result, Type)
[28c89f4]	2089	)
	2090	);
[6d51bd7]	2091	}
	2092
[7870799]	2093	virtual void visit( const AddressExpr * old ) override final {
[28c89f4]	2094	this->node = visitBaseExpr( old,
	2095	new ast::AddressExpr(
	2096	old->location,
	2097	GET_ACCEPT_1(arg, Expr)
	2098	)
	2099	);
[6d51bd7]	2100	}
	2101
[7870799]	2102	virtual void visit( const LabelAddressExpr * old ) override final {
[28c89f4]	2103	this->node = visitBaseExpr( old,
	2104	new ast::LabelAddressExpr(
	2105	old->location,
	2106	make_label(&old->arg)
	2107	)
	2108	);
[6d51bd7]	2109	}
	2110
[7870799]	2111	virtual void visit( const UntypedMemberExpr * old ) override final {
[28c89f4]	2112	this->node = visitBaseExpr( old,
	2113	new ast::UntypedMemberExpr(
	2114	old->location,
	2115	GET_ACCEPT_1(member, Expr),
	2116	GET_ACCEPT_1(aggregate, Expr)
	2117	)
	2118	);
[6d51bd7]	2119	}
	2120
[7870799]	2121	virtual void visit( const MemberExpr * old ) override final {
[28c89f4]	2122	this->node = visitBaseExpr( old,
	2123	new ast::MemberExpr(
	2124	old->location,
[2a54479]	2125	GET_ACCEPT_1(member, DeclWithType),
[ae265b55]	2126	GET_ACCEPT_1(aggregate, Expr),
	2127	ast::MemberExpr::NoOpConstructionChosen
[28c89f4]	2128	)
	2129	);
[6d51bd7]	2130	}
	2131
[7870799]	2132	virtual void visit( const VariableExpr * old ) override final {
[546e712]	2133	auto expr = new ast::VariableExpr(
	2134	old->location
	2135	);
	2136
	2137	expr->var = GET_ACCEPT_1(var, DeclWithType);
[6896548]	2138	visitBaseExpr( old, expr );
[6d51bd7]	2139
[546e712]	2140	this->node = expr;
[6d51bd7]	2141	}
	2142
[7870799]	2143	virtual void visit( const ConstantExpr * old ) override final {
[c36298d]	2144	ast::ConstantExpr *rslt = new ast::ConstantExpr(
	2145	old->location,
	2146	GET_ACCEPT_1(result, Type),
[7870799]	2147	old->constant.rep,
[c36298d]	2148	old->constant.ival
	2149	);
[7870799]	2150	rslt->underlyer = getAccept1< ast::Type, Type* >( old->constant.type );
[28c89f4]	2151	this->node = visitBaseExpr( old, rslt );
	2152	}
	2153
[7870799]	2154	virtual void visit( const SizeofExpr * old ) override final {
[28c89f4]	2155	assert (old->expr \|\| old->type);
	2156	assert (! (old->expr && old->type));
	2157	ast::SizeofExpr *rslt;
	2158	if (old->expr) {
	2159	assert(!old->isType);
	2160	rslt = new ast::SizeofExpr(
[0b57626]	2161	old->location,
[28c89f4]	2162	GET_ACCEPT_1(expr, Expr)
	2163	);
	2164	}
	2165	if (old->type) {
	2166	assert(old->isType);
	2167	rslt = new ast::SizeofExpr(
[0b57626]	2168	old->location,
[28c89f4]	2169	GET_ACCEPT_1(type, Type)
	2170	);
	2171	}
	2172	this->node = visitBaseExpr( old, rslt );
	2173	}
	2174
[7870799]	2175	virtual void visit( const AlignofExpr * old ) override final {
[28c89f4]	2176	assert (old->expr \|\| old->type);
	2177	assert (! (old->expr && old->type));
	2178	ast::AlignofExpr *rslt;
	2179	if (old->expr) {
	2180	assert(!old->isType);
	2181	rslt = new ast::AlignofExpr(
[0b57626]	2182	old->location,
[28c89f4]	2183	GET_ACCEPT_1(expr, Expr)
	2184	);
	2185	}
	2186	if (old->type) {
	2187	assert(old->isType);
	2188	rslt = new ast::AlignofExpr(
[0b57626]	2189	old->location,
[28c89f4]	2190	GET_ACCEPT_1(type, Type)
	2191	);
	2192	}
	2193	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2194	}
	2195
[7870799]	2196	virtual void visit( const UntypedOffsetofExpr * old ) override final {
[28c89f4]	2197	this->node = visitBaseExpr( old,
	2198	new ast::UntypedOffsetofExpr(
	2199	old->location,
	2200	GET_ACCEPT_1(type, Type),
	2201	old->member
	2202	)
	2203	);
[6d51bd7]	2204	}
	2205
[7870799]	2206	virtual void visit( const OffsetofExpr * old ) override final {
[28c89f4]	2207	this->node = visitBaseExpr( old,
	2208	new ast::OffsetofExpr(
	2209	old->location,
	2210	GET_ACCEPT_1(type, Type),
[2a54479]	2211	GET_ACCEPT_1(member, DeclWithType)
[28c89f4]	2212	)
	2213	);
[6d51bd7]	2214	}
	2215
[7870799]	2216	virtual void visit( const OffsetPackExpr * old ) override final {
[28c89f4]	2217	this->node = visitBaseExpr( old,
	2218	new ast::OffsetPackExpr(
	2219	old->location,
	2220	GET_ACCEPT_1(type, StructInstType)
	2221	)
	2222	);
[6d51bd7]	2223	}
	2224
[7870799]	2225	virtual void visit( const LogicalExpr * old ) override final {
[28c89f4]	2226	this->node = visitBaseExpr( old,
	2227	new ast::LogicalExpr(
	2228	old->location,
	2229	GET_ACCEPT_1(arg1, Expr),
	2230	GET_ACCEPT_1(arg2, Expr),
[0b57626]	2231	old->get_isAnd() ?
[28c89f4]	2232	ast::LogicalFlag::AndExpr :
	2233	ast::LogicalFlag::OrExpr
	2234	)
	2235	);
[6d51bd7]	2236	}
	2237
[7870799]	2238	virtual void visit( const ConditionalExpr * old ) override final {
[28c89f4]	2239	this->node = visitBaseExpr( old,
	2240	new ast::ConditionalExpr(
	2241	old->location,
	2242	GET_ACCEPT_1(arg1, Expr),
	2243	GET_ACCEPT_1(arg2, Expr),
	2244	GET_ACCEPT_1(arg3, Expr)
	2245	)
	2246	);
	2247	}
[6d51bd7]	2248
[7870799]	2249	virtual void visit( const CommaExpr * old ) override final {
[28c89f4]	2250	this->node = visitBaseExpr( old,
	2251	new ast::CommaExpr(
	2252	old->location,
	2253	GET_ACCEPT_1(arg1, Expr),
	2254	GET_ACCEPT_1(arg2, Expr)
	2255	)
	2256	);
[6d51bd7]	2257	}
	2258
[7870799]	2259	virtual void visit( const TypeExpr * old ) override final {
[20de6fb]	2260	this->node = visitBaseExpr( old,
	2261	new ast::TypeExpr(
	2262	old->location,
	2263	GET_ACCEPT_1(type, Type)
	2264	)
	2265	);
[6d51bd7]	2266	}
	2267
[7870799]	2268	virtual void visit( const AsmExpr * old ) override final {
[20de6fb]	2269	this->node = visitBaseExpr( old,
	2270	new ast::AsmExpr(
	2271	old->location,
[665f432]	2272	old->inout,
[20de6fb]	2273	GET_ACCEPT_1(constraint, Expr),
	2274	GET_ACCEPT_1(operand, Expr)
	2275	)
	2276	);
[6d51bd7]	2277	}
	2278
[7870799]	2279	virtual void visit( const ImplicitCopyCtorExpr * old ) override final {
[20de6fb]	2280	auto rslt = new ast::ImplicitCopyCtorExpr(
	2281	old->location,
	2282	GET_ACCEPT_1(callExpr, ApplicationExpr)
	2283	);
[6d51bd7]	2284
[20de6fb]	2285	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2286	}
	2287
[7870799]	2288	virtual void visit( const ConstructorExpr * old ) override final {
[20de6fb]	2289	this->node = visitBaseExpr( old,
	2290	new ast::ConstructorExpr(
	2291	old->location,
	2292	GET_ACCEPT_1(callExpr, Expr)
	2293	)
	2294	);
[6d51bd7]	2295	}
	2296
[7870799]	2297	virtual void visit( const CompoundLiteralExpr * old ) override final {
[20de6fb]	2298	this->node = visitBaseExpr_SkipResultType( old,
	2299	new ast::CompoundLiteralExpr(
	2300	old->location,
	2301	GET_ACCEPT_1(result, Type),
	2302	GET_ACCEPT_1(initializer, Init)
	2303	)
	2304	);
[6d51bd7]	2305	}
	2306
[7870799]	2307	virtual void visit( const RangeExpr * old ) override final {
[20de6fb]	2308	this->node = visitBaseExpr( old,
	2309	new ast::RangeExpr(
	2310	old->location,
	2311	GET_ACCEPT_1(low, Expr),
	2312	GET_ACCEPT_1(high, Expr)
	2313	)
	2314	);
[6d51bd7]	2315	}
	2316
[7870799]	2317	virtual void visit( const UntypedTupleExpr * old ) override final {
[20de6fb]	2318	this->node = visitBaseExpr( old,
	2319	new ast::UntypedTupleExpr(
	2320	old->location,
	2321	GET_ACCEPT_V(exprs, Expr)
	2322	)
	2323	);
[6d51bd7]	2324	}
	2325
[7870799]	2326	virtual void visit( const TupleExpr * old ) override final {
[20de6fb]	2327	this->node = visitBaseExpr( old,
	2328	new ast::TupleExpr(
	2329	old->location,
	2330	GET_ACCEPT_V(exprs, Expr)
	2331	)
	2332	);
[6d51bd7]	2333	}
	2334
[7870799]	2335	virtual void visit( const TupleIndexExpr * old ) override final {
[20de6fb]	2336	this->node = visitBaseExpr( old,
	2337	new ast::TupleIndexExpr(
	2338	old->location,
	2339	GET_ACCEPT_1(tuple, Expr),
	2340	old->index
	2341	)
	2342	);
[6d51bd7]	2343	}
	2344
[7870799]	2345	virtual void visit( const TupleAssignExpr * old ) override final {
[20de6fb]	2346	this->node = visitBaseExpr_SkipResultType( old,
	2347	new ast::TupleAssignExpr(
	2348	old->location,
	2349	GET_ACCEPT_1(result, Type),
	2350	GET_ACCEPT_1(stmtExpr, StmtExpr)
	2351	)
	2352	);
[6d51bd7]	2353	}
	2354
[7870799]	2355	virtual void visit( const StmtExpr * old ) override final {
[20de6fb]	2356	auto rslt = new ast::StmtExpr(
	2357	old->location,
	2358	GET_ACCEPT_1(statements, CompoundStmt)
	2359	);
	2360	rslt->returnDecls = GET_ACCEPT_V(returnDecls, ObjectDecl);
	2361	rslt->dtors = GET_ACCEPT_V(dtors , Expr);
[6d51bd7]	2362
[20de6fb]	2363	this->node = visitBaseExpr_SkipResultType( old, rslt );
[6d51bd7]	2364	}
	2365
[7870799]	2366	virtual void visit( const UniqueExpr * old ) override final {
[20de6fb]	2367	auto rslt = new ast::UniqueExpr(
	2368	old->location,
[a2a85658]	2369	GET_ACCEPT_1(expr, Expr),
	2370	old->get_id()
[20de6fb]	2371	);
	2372	rslt->object = GET_ACCEPT_1(object, ObjectDecl);
	2373	rslt->var = GET_ACCEPT_1(var , VariableExpr);
[6d51bd7]	2374
[20de6fb]	2375	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2376	}
	2377
[7870799]	2378	virtual void visit( const UntypedInitExpr * old ) override final {
[60aaa51d]	2379	std::deque<ast::InitAlternative> initAlts;
[20de6fb]	2380	for (auto ia : old->initAlts) {
	2381	initAlts.push_back(ast::InitAlternative(
	2382	getAccept1< ast::Type, Type * >( ia.type ),
	2383	getAccept1< ast::Designation, Designation * >( ia.designation )
	2384	));
	2385	}
	2386	this->node = visitBaseExpr( old,
	2387	new ast::UntypedInitExpr(
	2388	old->location,
	2389	GET_ACCEPT_1(expr, Expr),
	2390	std::move(initAlts)
	2391	)
	2392	);
[6d51bd7]	2393	}
	2394
[7870799]	2395	virtual void visit( const InitExpr * old ) override final {
[20de6fb]	2396	this->node = visitBaseExpr( old,
	2397	new ast::InitExpr(
	2398	old->location,
	2399	GET_ACCEPT_1(expr, Expr),
	2400	GET_ACCEPT_1(designation, Designation)
	2401	)
	2402	);
[6d51bd7]	2403	}
	2404
[7870799]	2405	virtual void visit( const DeletedExpr * old ) override final {
[20de6fb]	2406	this->node = visitBaseExpr( old,
	2407	new ast::DeletedExpr(
	2408	old->location,
	2409	GET_ACCEPT_1(expr, Expr),
	2410	inCache(old->deleteStmt) ?
[e67991f]	2411	strict_dynamic_cast<ast::Decl*>(this->node) :
	2412	GET_ACCEPT_1(deleteStmt, Decl)
[20de6fb]	2413	)
	2414	);
[6d51bd7]	2415	}
	2416
[7870799]	2417	virtual void visit( const DefaultArgExpr * old ) override final {
[20de6fb]	2418	this->node = visitBaseExpr( old,
	2419	new ast::DefaultArgExpr(
	2420	old->location,
	2421	GET_ACCEPT_1(expr, Expr)
	2422	)
	2423	);
	2424	}
[6d51bd7]	2425
[7870799]	2426	virtual void visit( const GenericExpr * old ) override final {
[20de6fb]	2427	std::vector<ast::GenericExpr::Association> associations;
	2428	for (auto association : old->associations) {
	2429	associations.push_back(ast::GenericExpr::Association(
	2430	getAccept1< ast::Type, Type * >( association.type ),
	2431	getAccept1< ast::Expr, Expression * >( association.expr )
	2432	));
	2433	}
	2434	this->node = visitBaseExpr( old,
	2435	new ast::GenericExpr(
	2436	old->location,
	2437	GET_ACCEPT_1(control, Expr),
	2438	std::move(associations)
	2439	)
	2440	);
[6d51bd7]	2441	}
	2442
[7870799]	2443	void visitType( const Type * old, ast::Type * type ) {
[1ae47de]	2444	// Some types do this in their constructor so add a check.
	2445	if ( !old->attributes.empty() && type->attributes.empty() ) {
	2446	type->attributes = GET_ACCEPT_V(attributes, Attribute);
	2447	}
	2448	this->node = type;
	2449	}
	2450
[7870799]	2451	virtual void visit( const VoidType * old ) override final {
[1ae47de]	2452	visitType( old, new ast::VoidType{ cv( old ) } );
[6d51bd7]	2453	}
	2454
[7870799]	2455	virtual void visit( const BasicType * old ) override final {
[2a54479]	2456	auto type = new ast::BasicType{ (ast::BasicType::Kind)(unsigned)old->kind, cv( old ) };
	2457	// I believe this should always be a BasicType.
	2458	if ( Validate::SizeType == old ) {
	2459	sizeType = type;
	2460	}
[1ae47de]	2461	visitType( old, type );
[6d51bd7]	2462	}
	2463
[7870799]	2464	virtual void visit( const PointerType * old ) override final {
[1ae47de]	2465	visitType( old, new ast::PointerType{
[d148778]	2466	GET_ACCEPT_1( base, Type ),
	2467	GET_ACCEPT_1( dimension, Expr ),
	2468	(ast::LengthFlag)old->isVarLen,
	2469	(ast::DimensionFlag)old->isStatic,
	2470	cv( old )
[1ae47de]	2471	} );
[6d51bd7]	2472	}
	2473
[7870799]	2474	virtual void visit( const ArrayType * old ) override final {
[1ae47de]	2475	visitType( old, new ast::ArrayType{
[d148778]	2476	GET_ACCEPT_1( base, Type ),
	2477	GET_ACCEPT_1( dimension, Expr ),
	2478	(ast::LengthFlag)old->isVarLen,
	2479	(ast::DimensionFlag)old->isStatic,
	2480	cv( old )
[1ae47de]	2481	} );
[6d51bd7]	2482	}
	2483
[7870799]	2484	virtual void visit( const ReferenceType * old ) override final {
[1ae47de]	2485	visitType( old, new ast::ReferenceType{
[d148778]	2486	GET_ACCEPT_1( base, Type ),
	2487	cv( old )
[1ae47de]	2488	} );
[6d51bd7]	2489	}
	2490
[7870799]	2491	virtual void visit( const QualifiedType * old ) override final {
[1ae47de]	2492	visitType( old, new ast::QualifiedType{
[d148778]	2493	GET_ACCEPT_1( parent, Type ),
	2494	GET_ACCEPT_1( child, Type ),
	2495	cv( old )
[1ae47de]	2496	} );
[6d51bd7]	2497	}
	2498
[7870799]	2499	virtual void visit( const FunctionType * old ) override final {
[d148778]	2500	auto ty = new ast::FunctionType {
	2501	(ast::ArgumentFlag)old->isVarArgs,
	2502	cv( old )
	2503	};
	2504	ty->returns = GET_ACCEPT_V( returnVals, DeclWithType );
	2505	ty->params = GET_ACCEPT_V( parameters, DeclWithType );
	2506	ty->forall = GET_ACCEPT_V( forall, TypeDecl );
[1ae47de]	2507	visitType( old, ty );
[6d51bd7]	2508	}
	2509
[7870799]	2510	void postvisit( const ReferenceToType * old, ast::ReferenceToType * ty ) {
[d148778]	2511	ty->forall = GET_ACCEPT_V( forall, TypeDecl );
	2512	ty->params = GET_ACCEPT_V( parameters, Expr );
	2513	ty->hoistType = old->hoistType;
[1ae47de]	2514	visitType( old, ty );
[6d51bd7]	2515	}
	2516
[7870799]	2517	virtual void visit( const StructInstType * old ) override final {
[b869ec5]	2518	ast::StructInstType * ty;
	2519	if ( old->baseStruct ) {
	2520	ty = new ast::StructInstType{
	2521	GET_ACCEPT_1( baseStruct, StructDecl ),
	2522	cv( old ),
	2523	GET_ACCEPT_V( attributes, Attribute )
	2524	};
	2525	} else {
	2526	ty = new ast::StructInstType{
	2527	old->name,
	2528	cv( old ),
	2529	GET_ACCEPT_V( attributes, Attribute )
	2530	};
	2531	}
[d148778]	2532	postvisit( old, ty );
[6d51bd7]	2533	}
	2534
[7870799]	2535	virtual void visit( const UnionInstType * old ) override final {
[b869ec5]	2536	ast::UnionInstType * ty;
	2537	if ( old->baseUnion ) {
	2538	ty = new ast::UnionInstType{
	2539	GET_ACCEPT_1( baseUnion, UnionDecl ),
	2540	cv( old ),
	2541	GET_ACCEPT_V( attributes, Attribute )
	2542	};
	2543	} else {
	2544	ty = new ast::UnionInstType{
	2545	old->name,
	2546	cv( old ),
	2547	GET_ACCEPT_V( attributes, Attribute )
	2548	};
	2549	}
[d148778]	2550	postvisit( old, ty );
[6d51bd7]	2551	}
	2552
[7870799]	2553	virtual void visit( const EnumInstType * old ) override final {
[b869ec5]	2554	ast::EnumInstType * ty;
	2555	if ( old->baseEnum ) {
	2556	ty = new ast::EnumInstType{
	2557	GET_ACCEPT_1( baseEnum, EnumDecl ),
	2558	cv( old ),
	2559	GET_ACCEPT_V( attributes, Attribute )
	2560	};
	2561	} else {
	2562	ty = new ast::EnumInstType{
	2563	old->name,
	2564	cv( old ),
	2565	GET_ACCEPT_V( attributes, Attribute )
	2566	};
	2567	}
[d148778]	2568	postvisit( old, ty );
[6d51bd7]	2569	}
	2570
[7870799]	2571	virtual void visit( const TraitInstType * old ) override final {
[b869ec5]	2572	ast::TraitInstType * ty;
	2573	if ( old->baseTrait ) {
	2574	ty = new ast::TraitInstType{
	2575	GET_ACCEPT_1( baseTrait, TraitDecl ),
	2576	cv( old ),
	2577	GET_ACCEPT_V( attributes, Attribute )
	2578	};
	2579	} else {
	2580	ty = new ast::TraitInstType{
	2581	old->name,
	2582	cv( old ),
	2583	GET_ACCEPT_V( attributes, Attribute )
	2584	};
	2585	}
[d148778]	2586	postvisit( old, ty );
	2587	}
[6d51bd7]	2588
[7870799]	2589	virtual void visit( const TypeInstType * old ) override final {
[514a791]	2590	ast::TypeInstType * ty;
	2591	if ( old->baseType ) {
	2592	ty = new ast::TypeInstType{
	2593	old->name,
[b869ec5]	2594	GET_ACCEPT_1( baseType, TypeDecl ),
[514a791]	2595	cv( old ),
	2596	GET_ACCEPT_V( attributes, Attribute )
	2597	};
	2598	} else {
	2599	ty = new ast::TypeInstType{
	2600	old->name,
	2601	old->isFtype ? ast::TypeVar::Ftype : ast::TypeVar::Dtype,
	2602	cv( old ),
	2603	GET_ACCEPT_V( attributes, Attribute )
	2604	};
	2605	}
[d148778]	2606	postvisit( old, ty );
[6d51bd7]	2607	}
	2608
[7870799]	2609	virtual void visit( const TupleType * old ) override final {
[1ae47de]	2610	visitType( old, new ast::TupleType{
[746ae82]	2611	GET_ACCEPT_V( types, Type ),
	2612	// members generated by TupleType c'tor
	2613	cv( old )
[1ae47de]	2614	} );
[6d51bd7]	2615	}
	2616
[7870799]	2617	virtual void visit( const TypeofType * old ) override final {
[1ae47de]	2618	visitType( old, new ast::TypeofType{
[746ae82]	2619	GET_ACCEPT_1( expr, Expr ),
	2620	(ast::TypeofType::Kind)old->is_basetypeof,
	2621	cv( old )
[1ae47de]	2622	} );
[6d51bd7]	2623	}
	2624
[7870799]	2625	virtual void visit( const AttrType * ) override final {
[746ae82]	2626	assertf( false, "AttrType deprecated in new AST." );
[6d51bd7]	2627	}
	2628
[7870799]	2629	virtual void visit( const VarArgsType * old ) override final {
[1ae47de]	2630	visitType( old, new ast::VarArgsType{ cv( old ) } );
[6d51bd7]	2631	}
	2632
[7870799]	2633	virtual void visit( const ZeroType * old ) override final {
[1ae47de]	2634	visitType( old, new ast::ZeroType{ cv( old ) } );
[6d51bd7]	2635	}
	2636
[7870799]	2637	virtual void visit( const OneType * old ) override final {
[1ae47de]	2638	visitType( old, new ast::OneType{ cv( old ) } );
[6d51bd7]	2639	}
	2640
[7870799]	2641	virtual void visit( const GlobalScopeType * old ) override final {
[1ae47de]	2642	visitType( old, new ast::GlobalScopeType{} );
[6d51bd7]	2643	}
	2644
[7870799]	2645	virtual void visit( const Designation * old ) override final {
[74ad8c0]	2646	this->node = new ast::Designation(
	2647	old->location,
[60aaa51d]	2648	GET_ACCEPT_D(designators, Expr)
[74ad8c0]	2649	);
[6d51bd7]	2650	}
	2651
[7870799]	2652	virtual void visit( const SingleInit * old ) override final {
[74ad8c0]	2653	this->node = new ast::SingleInit(
	2654	old->location,
	2655	GET_ACCEPT_1(value, Expr),
	2656	(old->get_maybeConstructed()) ? ast::MaybeConstruct : ast::DoConstruct
	2657	);
[6d51bd7]	2658	}
	2659
[7870799]	2660	virtual void visit( const ListInit * old ) override final {
[74ad8c0]	2661	this->node = new ast::ListInit(
	2662	old->location,
	2663	GET_ACCEPT_V(initializers, Init),
	2664	GET_ACCEPT_V(designations, Designation),
	2665	(old->get_maybeConstructed()) ? ast::MaybeConstruct : ast::DoConstruct
	2666	);
[6d51bd7]	2667	}
	2668
[7870799]	2669	virtual void visit( const ConstructorInit * old ) override final {
[74ad8c0]	2670	this->node = new ast::ConstructorInit(
	2671	old->location,
	2672	GET_ACCEPT_1(ctor, Stmt),
	2673	GET_ACCEPT_1(dtor, Stmt),
	2674	GET_ACCEPT_1(init, Init)
	2675	);
[6d51bd7]	2676	}
	2677
[7870799]	2678	virtual void visit( const Constant * ) override final {
[dd6d7c6]	2679	// Handled in visit( ConstantEpxr * ).
	2680	// In the new tree, Constant fields are inlined into containing ConstantExpression.
	2681	assert( 0 );
[6d51bd7]	2682	}
	2683
[7870799]	2684	virtual void visit( const Attribute * old ) override final {
[dd6d7c6]	2685	this->node = new ast::Attribute(
	2686	old->name,
	2687	GET_ACCEPT_V( parameters, Expr )
	2688	);
[6d51bd7]	2689	}
	2690	};
	2691
[6f8e87d]	2692	#undef GET_LABELS_V
	2693	#undef GET_ACCEPT_V
	2694	#undef GET_ACCEPT_1
	2695
[74dbbf6]	2696	std::list< ast::ptr< ast::Decl > > convert( const std::list< Declaration * > && translationUnit ) {
[6d51bd7]	2697	ConverterOldToNew c;
	2698	std::list< ast::ptr< ast::Decl > > decls;
	2699	for(auto d : translationUnit) {
	2700	d->accept( c );
	2701	decls.emplace_back( c.decl() );
	2702	}
[8abee136]	2703	deleteAll(translationUnit);
[6d51bd7]	2704	return decls;
[6f8e87d]	2705	}

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