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source: src/AST/Convert.cpp @ 3d2852a

ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum

Last change on this file since 3d2852a was 37cdd97, checked in by Thierry Delisle <tdelisle@…>, 4 years ago
Added a ast node for suspend statements
Property mode set to `100644`
File size: 72.4 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
[07de76b]	12	// Last Modified On : Wed Dec 11 21:39:32 2019
	13	// Update Count : 33
[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,
[312029a]	247	(AggregateDecl::Aggregate)node->kind,
[112fe04]	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
[37cdd97]	495	const ast::Stmt * visit(const ast::SuspendStmt * node ) override final {
	496	if ( inCache( node ) ) return nullptr;
	497	auto stmt = new SuspendStmt();
	498	stmt->then = get<CompoundStmt>().accept1( node->then );
	499	switch(node->type) {
	500	case ast::SuspendStmt::None : stmt->type = SuspendStmt::None ; break;
	501	case ast::SuspendStmt::Coroutine: stmt->type = SuspendStmt::Coroutine; break;
	502	case ast::SuspendStmt::Generator: stmt->type = SuspendStmt::Generator; break;
	503	}
	504	return stmtPostamble( stmt, node );
	505	}
	506
[74dbbf6]	507	const ast::Stmt * visit( const ast::WaitForStmt * node ) override final {
[4073b16]	508	if ( inCache( node ) ) return nullptr;
[675d816]	509	auto stmt = new WaitForStmt;
	510	stmt->clauses.reserve( node->clauses.size() );
	511	for ( auto clause : node->clauses ) {
	512	stmt->clauses.push_back({{
[e0016a5]	513	get<Expression>().accept1( clause.target.func ),
	514	get<Expression>().acceptL( clause.target.args ),
[675d816]	515	},
	516	get<Statement>().accept1( clause.stmt ),
	517	get<Expression>().accept1( clause.cond ),
	518	});
	519	}
	520	stmt->timeout = {
	521	get<Expression>().accept1( node->timeout.time ),
	522	get<Statement>().accept1( node->timeout.stmt ),
	523	get<Expression>().accept1( node->timeout.cond ),
	524	};
	525	stmt->orelse = {
	526	get<Statement>().accept1( node->orElse.stmt ),
	527	get<Expression>().accept1( node->orElse.cond ),
	528	};
[112fe04]	529	return stmtPostamble( stmt, node );
[74dbbf6]	530	}
	531
[e67991f]	532	const ast::Decl * visit( const ast::WithStmt * node ) override final {
[4073b16]	533	if ( inCache( node ) ) return nullptr;
[675d816]	534	auto stmt = new WithStmt(
	535	get<Expression>().acceptL( node->exprs ),
	536	get<Statement>().accept1( node->stmt )
	537	);
[e67991f]	538	declPostamble( stmt, node );
	539	return nullptr;
[74dbbf6]	540	}
	541
	542	const ast::NullStmt * visit( const ast::NullStmt * node ) override final {
[4073b16]	543	if ( inCache( node ) ) return nullptr;
[675d816]	544	auto stmt = new NullStmt();
[112fe04]	545	stmtPostamble( stmt, node );
[74dbbf6]	546	return nullptr;
	547	}
	548
	549	const ast::Stmt * visit( const ast::DeclStmt * node ) override final {
[4073b16]	550	if ( inCache( node ) ) return nullptr;
[675d816]	551	auto stmt = new DeclStmt( get<Declaration>().accept1( node->decl ) );
[112fe04]	552	return stmtPostamble( stmt, node );
[74dbbf6]	553	}
	554
	555	const ast::Stmt * visit( const ast::ImplicitCtorDtorStmt * node ) override final {
[4073b16]	556	if ( inCache( node ) ) return nullptr;
	557	auto stmt = new ImplicitCtorDtorStmt{
	558	get<Statement>().accept1( node->callStmt )
	559	};
	560	return stmtPostamble( stmt, node );
[74dbbf6]	561	}
	562
[19e567dd]	563	TypeSubstitution * convertTypeSubstitution(const ast::TypeSubstitution * src) {
	564
[f685679]	565	if (!src) return nullptr;
	566
[19e567dd]	567	TypeSubstitution *rslt = new TypeSubstitution();
	568
	569	for (decltype(src->begin()) src_i = src->begin(); src_i != src->end(); src_i++) {
	570	rslt->add( src_i->first,
	571	get<Type>().accept1(src_i->second) );
	572	}
	573
	574	for (decltype(src->beginVar()) src_i = src->beginVar(); src_i != src->endVar(); src_i++) {
	575	rslt->addVar( src_i->first,
	576	get<Expression>().accept1(src_i->second) );
	577	}
	578
	579	return rslt;
	580	}
	581
	582	void convertInferUnion(std::map<UniqueId,ParamEntry> &tgtInferParams,
	583	std::vector<UniqueId> &tgtResnSlots,
	584	const ast::Expr::InferUnion &srcInferred ) {
	585
	586	assert( tgtInferParams.empty() );
	587	assert( tgtResnSlots.empty() );
	588
	589	if ( srcInferred.mode == ast::Expr::InferUnion::Params ) {
[60aaa51d]	590	const ast::InferredParams &srcParams = srcInferred.inferParams();
[8b34df0]	591	for (auto & srcParam : srcParams) {
	592	auto res = tgtInferParams.emplace(srcParam.first, ParamEntry(
[19e567dd]	593	srcParam.second.decl,
[aaeacf4]	594	get<Declaration>().accept1(srcParam.second.declptr),
[19e567dd]	595	get<Type>().accept1(srcParam.second.actualType),
	596	get<Type>().accept1(srcParam.second.formalType),
	597	get<Expression>().accept1(srcParam.second.expr)
[8b34df0]	598	));
	599	assert(res.second);
[19e567dd]	600	}
	601	} else if ( srcInferred.mode == ast::Expr::InferUnion::Slots ) {
[60aaa51d]	602	const ast::ResnSlots &srcSlots = srcInferred.resnSlots();
[19e567dd]	603	for (auto srcSlot : srcSlots) {
	604	tgtResnSlots.push_back(srcSlot);
	605	}
	606	}
	607	}
	608
[20de6fb]	609	Expression * visitBaseExpr_skipResultType(const ast::Expr * src, Expression * tgt) {
[19e567dd]	610
[20de6fb]	611	tgt->location = src->location;
	612	tgt->env = convertTypeSubstitution(src->env);
[19e567dd]	613	tgt->extension = src->extension;
	614
[20de6fb]	615	convertInferUnion(tgt->inferParams, tgt->resnSlots, src->inferred);
[19e567dd]	616	return tgt;
	617	}
	618
[20de6fb]	619	Expression * visitBaseExpr(const ast::Expr * src, Expression * tgt) {
	620
	621	tgt->result = get<Type>().accept1(src->result);
	622	return visitBaseExpr_skipResultType(src, tgt);
	623	}
	624
[74dbbf6]	625	const ast::Expr * visit( const ast::ApplicationExpr * node ) override final {
[19e567dd]	626	auto expr = visitBaseExpr( node,
	627	new ApplicationExpr(
	628	get<Expression>().accept1(node->func),
	629	get<Expression>().acceptL(node->args)
	630	)
	631	);
	632	this->node = expr;
[74dbbf6]	633	return nullptr;
	634	}
	635
	636	const ast::Expr * visit( const ast::UntypedExpr * node ) override final {
[19e567dd]	637	auto expr = visitBaseExpr( node,
	638	new UntypedExpr(
	639	get<Expression>().accept1(node->func),
	640	get<Expression>().acceptL(node->args)
	641	)
	642	);
	643	this->node = expr;
[74dbbf6]	644	return nullptr;
	645	}
	646
	647	const ast::Expr * visit( const ast::NameExpr * node ) override final {
[19e567dd]	648	auto expr = visitBaseExpr( node,
	649	new NameExpr(
	650	node->name
	651	)
	652	);
	653	this->node = expr;
[74dbbf6]	654	return nullptr;
	655	}
	656
	657	const ast::Expr * visit( const ast::AddressExpr * node ) override final {
[28c89f4]	658	auto expr = visitBaseExpr( node,
	659	new AddressExpr(
	660	get<Expression>().accept1(node->arg)
	661	)
	662	);
	663	this->node = expr;
[74dbbf6]	664	return nullptr;
	665	}
	666
	667	const ast::Expr * visit( const ast::LabelAddressExpr * node ) override final {
[28c89f4]	668	auto expr = visitBaseExpr( node,
	669	new LabelAddressExpr(
	670	makeLabel(nullptr, node->arg)
	671	)
	672	);
	673	this->node = expr;
[74dbbf6]	674	return nullptr;
	675	}
	676
	677	const ast::Expr * visit( const ast::CastExpr * node ) override final {
[28c89f4]	678	auto expr = visitBaseExpr( node,
	679	new CastExpr(
	680	get<Expression>().accept1(node->arg),
	681	(node->isGenerated == ast::GeneratedCast)
	682	)
	683	);
	684	this->node = expr;
[74dbbf6]	685	return nullptr;
	686	}
	687
	688	const ast::Expr * visit( const ast::KeywordCastExpr * node ) override final {
[312029a]	689	AggregateDecl::Aggregate castTarget = (AggregateDecl::Aggregate)node->target;
	690	assert( AggregateDecl::Generator <= castTarget && castTarget <= AggregateDecl::Thread );
[28c89f4]	691	auto expr = visitBaseExpr( node,
	692	new KeywordCastExpr(
	693	get<Expression>().accept1(node->arg),
	694	castTarget
	695	)
	696	);
	697	this->node = expr;
[74dbbf6]	698	return nullptr;
	699	}
	700
	701	const ast::Expr * visit( const ast::VirtualCastExpr * node ) override final {
[20de6fb]	702	auto expr = visitBaseExpr_skipResultType( node,
[28c89f4]	703	new VirtualCastExpr(
	704	get<Expression>().accept1(node->arg),
[20de6fb]	705	get<Type>().accept1(node->result)
[28c89f4]	706	)
	707	);
	708	this->node = expr;
[74dbbf6]	709	return nullptr;
	710	}
	711
	712	const ast::Expr * visit( const ast::UntypedMemberExpr * node ) override final {
[28c89f4]	713	auto expr = visitBaseExpr( node,
	714	new UntypedMemberExpr(
	715	get<Expression>().accept1(node->member),
	716	get<Expression>().accept1(node->aggregate)
	717	)
	718	);
	719	this->node = expr;
[74dbbf6]	720	return nullptr;
	721	}
	722
	723	const ast::Expr * visit( const ast::MemberExpr * node ) override final {
[28c89f4]	724	auto expr = visitBaseExpr( node,
	725	new MemberExpr(
[2a54479]	726	get<DeclarationWithType>().accept1(node->member),
[28c89f4]	727	get<Expression>().accept1(node->aggregate)
	728	)
	729	);
	730	this->node = expr;
[74dbbf6]	731	return nullptr;
	732	}
	733
	734	const ast::Expr * visit( const ast::VariableExpr * node ) override final {
[546e712]	735	auto expr = new VariableExpr();
	736	expr->var = get<DeclarationWithType>().accept1(node->var);
[6896548]	737	visitBaseExpr( node, expr );
[28c89f4]	738	this->node = expr;
[74dbbf6]	739	return nullptr;
	740	}
	741
	742	const ast::Expr * visit( const ast::ConstantExpr * node ) override final {
[c36298d]	743	// Old world: two types: rslt->constant.type, rslt->result
	744	// New workd: one public type: node->result, plus node->underlyer only to support roundtrip conversion
	745	// preserving underlyer because the correct type for string literals is complicated to construct,
	746	// and distinguishing a string from other literals using the type is hard to do accurately
	747	// Both worlds: the outer, expression-level type can change during resolution
	748	// for a string, that's char[k] before-resolve and char * after
	749	// Old world: the inner Constant type stays what it was built with
	750	// for a string, that's char[k] always
	751	// Both worlds: the "rep" field of a constant is the C source file fragment that compiles to the desired value
	752	// for a string, that includes outer quotes, backslashes, et al cases from the Literals test
	753	ConstantExpr *rslt = new ConstantExpr(Constant(
	754	get<Type>().accept1(node->underlyer),
	755	node->rep,
	756	node->ival));
[28c89f4]	757	auto expr = visitBaseExpr( node, rslt );
	758	this->node = expr;
[74dbbf6]	759	return nullptr;
	760	}
	761
	762	const ast::Expr * visit( const ast::SizeofExpr * node ) override final {
[28c89f4]	763	assert (node->expr \|\| node->type);
	764	assert (! (node->expr && node->type));
	765	SizeofExpr *rslt;
	766	if (node->expr) {
	767	rslt = new SizeofExpr(
	768	get<Expression>().accept1(node->expr)
	769	);
	770	assert (!rslt->isType);
	771	}
[0b73f0c]	772	else {
	773	assert(node->type);
[28c89f4]	774	rslt = new SizeofExpr(
	775	get<Type>().accept1(node->type)
	776	);
	777	assert (rslt->isType);
	778	}
	779	auto expr = visitBaseExpr( node, rslt );
	780	this->node = expr;
[74dbbf6]	781	return nullptr;
	782	}
	783
	784	const ast::Expr * visit( const ast::AlignofExpr * node ) override final {
[28c89f4]	785	assert (node->expr \|\| node->type);
	786	assert (! (node->expr && node->type));
	787	AlignofExpr *rslt;
	788	if (node->expr) {
	789	rslt = new AlignofExpr(
	790	get<Expression>().accept1(node->expr)
	791	);
	792	assert (!rslt->isType);
	793	}
[0b73f0c]	794	else {
	795	assert(node->type);
[28c89f4]	796	rslt = new AlignofExpr(
	797	get<Type>().accept1(node->type)
	798	);
	799	assert (rslt->isType);
	800	}
	801	auto expr = visitBaseExpr( node, rslt );
	802	this->node = expr;
[74dbbf6]	803	return nullptr;
	804	}
	805
	806	const ast::Expr * visit( const ast::UntypedOffsetofExpr * node ) override final {
[28c89f4]	807	auto expr = visitBaseExpr( node,
	808	new UntypedOffsetofExpr(
	809	get<Type>().accept1(node->type),
	810	node->member
	811	)
	812	);
	813	this->node = expr;
[74dbbf6]	814	return nullptr;
	815	}
	816
	817	const ast::Expr * visit( const ast::OffsetofExpr * node ) override final {
[28c89f4]	818	auto expr = visitBaseExpr( node,
	819	new OffsetofExpr(
	820	get<Type>().accept1(node->type),
[2a54479]	821	get<DeclarationWithType>().accept1(node->member)
[28c89f4]	822	)
	823	);
	824	this->node = expr;
[74dbbf6]	825	return nullptr;
	826	}
	827
	828	const ast::Expr * visit( const ast::OffsetPackExpr * node ) override final {
[28c89f4]	829	auto expr = visitBaseExpr( node,
	830	new OffsetPackExpr(
	831	get<StructInstType>().accept1(node->type)
	832	)
	833	);
	834	this->node = expr;
[74dbbf6]	835	return nullptr;
	836	}
	837
	838	const ast::Expr * visit( const ast::LogicalExpr * node ) override final {
[28c89f4]	839	assert (node->isAnd == ast::LogicalFlag::AndExpr \|\|
	840	node->isAnd == ast::LogicalFlag::OrExpr );
	841	auto expr = visitBaseExpr( node,
	842	new LogicalExpr(
	843	get<Expression>().accept1(node->arg1),
	844	get<Expression>().accept1(node->arg2),
	845	(node->isAnd == ast::LogicalFlag::AndExpr)
	846	)
	847	);
	848	this->node = expr;
[74dbbf6]	849	return nullptr;
	850	}
	851
	852	const ast::Expr * visit( const ast::ConditionalExpr * node ) override final {
[28c89f4]	853	auto expr = visitBaseExpr( node,
	854	new ConditionalExpr(
	855	get<Expression>().accept1(node->arg1),
	856	get<Expression>().accept1(node->arg2),
	857	get<Expression>().accept1(node->arg3)
	858	)
	859	);
	860	this->node = expr;
[74dbbf6]	861	return nullptr;
	862	}
	863
	864	const ast::Expr * visit( const ast::CommaExpr * node ) override final {
[28c89f4]	865	auto expr = visitBaseExpr( node,
	866	new CommaExpr(
	867	get<Expression>().accept1(node->arg1),
	868	get<Expression>().accept1(node->arg2)
	869	)
	870	);
	871	this->node = expr;
[74dbbf6]	872	return nullptr;
	873	}
	874
	875	const ast::Expr * visit( const ast::TypeExpr * node ) override final {
[20de6fb]	876	auto expr = visitBaseExpr( node,
	877	new TypeExpr(
	878	get<Type>().accept1(node->type)
	879	)
	880	);
	881	this->node = expr;
[74dbbf6]	882	return nullptr;
	883	}
	884
	885	const ast::Expr * visit( const ast::AsmExpr * node ) override final {
[20de6fb]	886	auto expr = visitBaseExpr( node,
	887	new AsmExpr(
[665f432]	888	new std::string(node->inout),
[20de6fb]	889	get<Expression>().accept1(node->constraint),
	890	get<Expression>().accept1(node->operand)
	891	)
	892	);
	893	this->node = expr;
[74dbbf6]	894	return nullptr;
	895	}
	896
	897	const ast::Expr * visit( const ast::ImplicitCopyCtorExpr * node ) override final {
[20de6fb]	898	auto rslt = new ImplicitCopyCtorExpr(
	899	get<ApplicationExpr>().accept1(node->callExpr)
	900	);
	901
	902	auto expr = visitBaseExpr( node, rslt );
	903	this->node = expr;
[74dbbf6]	904	return nullptr;
	905	}
	906
	907	const ast::Expr * visit( const ast::ConstructorExpr * node ) override final {
[20de6fb]	908	auto expr = visitBaseExpr( node,
	909	new ConstructorExpr(
	910	get<Expression>().accept1(node->callExpr)
	911	)
	912	);
	913	this->node = expr;
[74dbbf6]	914	return nullptr;
	915	}
	916
	917	const ast::Expr * visit( const ast::CompoundLiteralExpr * node ) override final {
[20de6fb]	918	auto expr = visitBaseExpr_skipResultType( node,
	919	new CompoundLiteralExpr(
	920	get<Type>().accept1(node->result),
	921	get<Initializer>().accept1(node->init)
	922	)
	923	);
	924	this->node = expr;
[74dbbf6]	925	return nullptr;
	926	}
	927
	928	const ast::Expr * visit( const ast::RangeExpr * node ) override final {
[20de6fb]	929	auto expr = visitBaseExpr( node,
	930	new RangeExpr(
	931	get<Expression>().accept1(node->low),
	932	get<Expression>().accept1(node->high)
	933	)
	934	);
	935	this->node = expr;
[74dbbf6]	936	return nullptr;
	937	}
	938
	939	const ast::Expr * visit( const ast::UntypedTupleExpr * node ) override final {
[20de6fb]	940	auto expr = visitBaseExpr( node,
	941	new UntypedTupleExpr(
	942	get<Expression>().acceptL(node->exprs)
	943	)
	944	);
	945	this->node = expr;
[74dbbf6]	946	return nullptr;
	947	}
	948
	949	const ast::Expr * visit( const ast::TupleExpr * node ) override final {
[20de6fb]	950	auto expr = visitBaseExpr( node,
[6e55240]	951	new TupleExpr(
[20de6fb]	952	get<Expression>().acceptL(node->exprs)
	953	)
	954	);
	955	this->node = expr;
[74dbbf6]	956	return nullptr;
	957	}
	958
	959	const ast::Expr * visit( const ast::TupleIndexExpr * node ) override final {
[20de6fb]	960	auto expr = visitBaseExpr( node,
	961	new TupleIndexExpr(
	962	get<Expression>().accept1(node->tuple),
	963	node->index
	964	)
	965	);
	966	this->node = expr;
[74dbbf6]	967	return nullptr;
	968	}
	969
	970	const ast::Expr * visit( const ast::TupleAssignExpr * node ) override final {
[20de6fb]	971	auto expr = visitBaseExpr( node,
	972	new TupleAssignExpr(
	973	get<StmtExpr>().accept1(node->stmtExpr)
	974	)
	975	);
	976	this->node = expr;
[74dbbf6]	977	return nullptr;
	978	}
	979
	980	const ast::Expr * visit( const ast::StmtExpr * node ) override final {
[20de6fb]	981	auto rslt = new StmtExpr(
	982	get<CompoundStmt>().accept1(node->stmts)
	983	);
	984
	985	rslt->returnDecls = get<ObjectDecl>().acceptL(node->returnDecls);
	986	rslt->dtors = get<Expression>().acceptL(node->dtors);
	987
	988	auto expr = visitBaseExpr( node, rslt );
	989	this->node = expr;
[74dbbf6]	990	return nullptr;
	991	}
	992
	993	const ast::Expr * visit( const ast::UniqueExpr * node ) override final {
[20de6fb]	994	auto rslt = new UniqueExpr(
[a2a85658]	995	get<Expression>().accept1(node->expr),
	996	node->id
[20de6fb]	997	);
	998
	999	rslt->object = get<ObjectDecl> ().accept1(node->object);
	1000	rslt->var = get<VariableExpr>().accept1(node->var);
	1001
	1002	auto expr = visitBaseExpr( node, rslt );
	1003	this->node = expr;
[74dbbf6]	1004	return nullptr;
	1005	}
	1006
	1007	const ast::Expr * visit( const ast::UntypedInitExpr * node ) override final {
[20de6fb]	1008	std::list<InitAlternative> initAlts;
	1009	for (auto ia : node->initAlts) {
	1010	initAlts.push_back(InitAlternative(
	1011	get<Type> ().accept1(ia.type),
	1012	get<Designation>().accept1(ia.designation)
	1013	));
	1014	}
	1015	auto expr = visitBaseExpr( node,
	1016	new UntypedInitExpr(
	1017	get<Expression>().accept1(node->expr),
	1018	initAlts
	1019	)
	1020	);
	1021	this->node = expr;
[74dbbf6]	1022	return nullptr;
	1023	}
	1024
	1025	const ast::Expr * visit( const ast::InitExpr * node ) override final {
[20de6fb]	1026	auto expr = visitBaseExpr( node,
	1027	new InitExpr(
	1028	get<Expression>().accept1(node->expr),
	1029	get<Designation>().accept1(node->designation)
	1030	)
	1031	);
	1032	this->node = expr;
[74dbbf6]	1033	return nullptr;
	1034	}
	1035
	1036	const ast::Expr * visit( const ast::DeletedExpr * node ) override final {
[20de6fb]	1037	auto expr = visitBaseExpr( node,
	1038	new DeletedExpr(
	1039	get<Expression>().accept1(node->expr),
	1040	inCache(node->deleteStmt) ?
[e67991f]	1041	strict_dynamic_cast<Declaration*>(this->node) :
	1042	get<Declaration>().accept1(node->deleteStmt)
[20de6fb]	1043	)
	1044	);
	1045	this->node = expr;
[74dbbf6]	1046	return nullptr;
	1047	}
	1048
	1049	const ast::Expr * visit( const ast::DefaultArgExpr * node ) override final {
[20de6fb]	1050	auto expr = visitBaseExpr( node,
	1051	new DefaultArgExpr(
	1052	get<Expression>().accept1(node->expr)
	1053	)
	1054	);
	1055	this->node = expr;
[74dbbf6]	1056	return nullptr;
	1057	}
	1058
	1059	const ast::Expr * visit( const ast::GenericExpr * node ) override final {
[20de6fb]	1060	std::list<GenericExpr::Association> associations;
	1061	for (auto association : node->associations) {
	1062	associations.push_back(GenericExpr::Association(
	1063	get<Type> ().accept1(association.type),
	1064	get<Expression>().accept1(association.expr)
	1065	));
	1066	}
	1067	auto expr = visitBaseExpr( node,
	1068	new GenericExpr(
	1069	get<Expression>().accept1(node->control),
	1070	associations
	1071	)
	1072	);
	1073	this->node = expr;
[74dbbf6]	1074	return nullptr;
	1075	}
	1076
[1ae47de]	1077	const ast::Type * visitType( const ast::Type * node, Type * type ) {
	1078	// Some types do this in their constructor so add a check.
	1079	if ( !node->attributes.empty() && type->attributes.empty() ) {
	1080	type->attributes = get<Attribute>().acceptL( node->attributes );
	1081	}
	1082	this->node = type;
[74dbbf6]	1083	return nullptr;
	1084	}
	1085
[1ae47de]	1086	const ast::Type * visit( const ast::VoidType * node ) override final {
	1087	return visitType( node, new VoidType{ cv( node ) } );
	1088	}
	1089
[74dbbf6]	1090	const ast::Type * visit( const ast::BasicType * node ) override final {
[2a54479]	1091	auto type = new BasicType{ cv( node ), (BasicType::Kind)(unsigned)node->kind };
	1092	// I believe this should always be a BasicType.
	1093	if ( sizeType == node ) {
	1094	Validate::SizeType = type;
	1095	}
[1ae47de]	1096	return visitType( node, type );
[74dbbf6]	1097	}
	1098
	1099	const ast::Type * visit( const ast::PointerType * node ) override final {
[1ae47de]	1100	return visitType( node, new PointerType{
[d148778]	1101	cv( node ),
	1102	get<Type>().accept1( node->base ),
	1103	get<Expression>().accept1( node->dimension ),
[746ae82]	1104	(bool)node->isVarLen,
	1105	(bool)node->isStatic
[1ae47de]	1106	} );
[74dbbf6]	1107	}
	1108
	1109	const ast::Type * visit( const ast::ArrayType * node ) override final {
[1ae47de]	1110	return visitType( node, new ArrayType{
[d148778]	1111	cv( node ),
	1112	get<Type>().accept1( node->base ),
	1113	get<Expression>().accept1( node->dimension ),
[746ae82]	1114	(bool)node->isVarLen,
	1115	(bool)node->isStatic
[1ae47de]	1116	} );
[74dbbf6]	1117	}
	1118
	1119	const ast::Type * visit( const ast::ReferenceType * node ) override final {
[1ae47de]	1120	return visitType( node, new ReferenceType{
[d148778]	1121	cv( node ),
	1122	get<Type>().accept1( node->base )
[1ae47de]	1123	} );
[74dbbf6]	1124	}
	1125
	1126	const ast::Type * visit( const ast::QualifiedType * node ) override final {
[1ae47de]	1127	return visitType( node, new QualifiedType{
[d148778]	1128	cv( node ),
	1129	get<Type>().accept1( node->parent ),
	1130	get<Type>().accept1( node->child )
[1ae47de]	1131	} );
[74dbbf6]	1132	}
	1133
	1134	const ast::Type * visit( const ast::FunctionType * node ) override final {
[746ae82]	1135	auto ty = new FunctionType {
[0b57626]	1136	cv( node ),
[746ae82]	1137	(bool)node->isVarArgs
	1138	};
[d148778]	1139	ty->returnVals = get<DeclarationWithType>().acceptL( node->returns );
	1140	ty->parameters = get<DeclarationWithType>().acceptL( node->params );
	1141	ty->forall = get<TypeDecl>().acceptL( node->forall );
[1ae47de]	1142	return visitType( node, ty );
[74dbbf6]	1143	}
	1144
[1ae47de]	1145	const ast::Type * postvisit( const ast::ReferenceToType * old, ReferenceToType * ty ) {
[b869ec5]	1146	ty->forall = get<TypeDecl>().acceptL( old->forall );
	1147	ty->parameters = get<Expression>().acceptL( old->params );
	1148	ty->hoistType = old->hoistType;
[1ae47de]	1149	return visitType( old, ty );
[b869ec5]	1150	}
	1151
[74dbbf6]	1152	const ast::Type * visit( const ast::StructInstType * node ) override final {
[b869ec5]	1153	StructInstType * ty;
	1154	if ( node->base ) {
	1155	ty = new StructInstType{
	1156	cv( node ),
	1157	get<StructDecl>().accept1( node->base ),
	1158	get<Attribute>().acceptL( node->attributes )
	1159	};
	1160	} else {
	1161	ty = new StructInstType{
	1162	cv( node ),
	1163	node->name,
	1164	get<Attribute>().acceptL( node->attributes )
	1165	};
	1166	}
[1ae47de]	1167	return postvisit( node, ty );
[74dbbf6]	1168	}
	1169
	1170	const ast::Type * visit( const ast::UnionInstType * node ) override final {
[b869ec5]	1171	UnionInstType * ty;
	1172	if ( node->base ) {
	1173	ty = new UnionInstType{
	1174	cv( node ),
	1175	get<UnionDecl>().accept1( node->base ),
	1176	get<Attribute>().acceptL( node->attributes )
	1177	};
	1178	} else {
	1179	ty = new UnionInstType{
	1180	cv( node ),
	1181	node->name,
	1182	get<Attribute>().acceptL( node->attributes )
	1183	};
	1184	}
[1ae47de]	1185	return postvisit( node, ty );
[74dbbf6]	1186	}
	1187
	1188	const ast::Type * visit( const ast::EnumInstType * node ) override final {
[b869ec5]	1189	EnumInstType * ty;
	1190	if ( node->base ) {
	1191	ty = new EnumInstType{
	1192	cv( node ),
	1193	get<EnumDecl>().accept1( node->base ),
	1194	get<Attribute>().acceptL( node->attributes )
	1195	};
	1196	} else {
	1197	ty = new EnumInstType{
	1198	cv( node ),
	1199	node->name,
	1200	get<Attribute>().acceptL( node->attributes )
	1201	};
	1202	}
[1ae47de]	1203	return postvisit( node, ty );
[74dbbf6]	1204	}
	1205
	1206	const ast::Type * visit( const ast::TraitInstType * node ) override final {
[b869ec5]	1207	TraitInstType * ty;
	1208	if ( node->base ) {
	1209	ty = new TraitInstType{
	1210	cv( node ),
	1211	get<TraitDecl>().accept1( node->base ),
	1212	get<Attribute>().acceptL( node->attributes )
	1213	};
	1214	} else {
	1215	ty = new TraitInstType{
	1216	cv( node ),
	1217	node->name,
	1218	get<Attribute>().acceptL( node->attributes )
	1219	};
	1220	}
[1ae47de]	1221	return postvisit( node, ty );
[74dbbf6]	1222	}
	1223
	1224	const ast::Type * visit( const ast::TypeInstType * node ) override final {
[b869ec5]	1225	TypeInstType * ty;
	1226	if ( node->base ) {
	1227	ty = new TypeInstType{
	1228	cv( node ),
	1229	node->name,
	1230	get<TypeDecl>().accept1( node->base ),
	1231	get<Attribute>().acceptL( node->attributes )
	1232	};
	1233	} else {
	1234	ty = new TypeInstType{
	1235	cv( node ),
	1236	node->name,
[07de76b]	1237	node->kind == ast::TypeDecl::Ftype,
[b869ec5]	1238	get<Attribute>().acceptL( node->attributes )
	1239	};
	1240	}
[1ae47de]	1241	return postvisit( node, ty );
[74dbbf6]	1242	}
	1243
	1244	const ast::Type * visit( const ast::TupleType * node ) override final {
[1ae47de]	1245	return visitType( node, new TupleType{
[746ae82]	1246	cv( node ),
	1247	get<Type>().acceptL( node->types )
	1248	// members generated by TupleType c'tor
[1ae47de]	1249	} );
[74dbbf6]	1250	}
	1251
	1252	const ast::Type * visit( const ast::TypeofType * node ) override final {
[1ae47de]	1253	return visitType( node, new TypeofType{
[746ae82]	1254	cv( node ),
	1255	get<Expression>().accept1( node->expr ),
	1256	(bool)node->kind
[1ae47de]	1257	} );
[74dbbf6]	1258	}
	1259
	1260	const ast::Type * visit( const ast::VarArgsType * node ) override final {
[1ae47de]	1261	return visitType( node, new VarArgsType{ cv( node ) } );
[74dbbf6]	1262	}
	1263
	1264	const ast::Type * visit( const ast::ZeroType * node ) override final {
[1ae47de]	1265	return visitType( node, new ZeroType{ cv( node ) } );
[74dbbf6]	1266	}
	1267
	1268	const ast::Type * visit( const ast::OneType * node ) override final {
[1ae47de]	1269	return visitType( node, new OneType{ cv( node ) } );
[74dbbf6]	1270	}
	1271
[1ae47de]	1272	const ast::Type * visit( const ast::GlobalScopeType * node ) override final {
	1273	return visitType( node, new GlobalScopeType{} );
[74dbbf6]	1274	}
	1275
	1276	const ast::Designation * visit( const ast::Designation * node ) override final {
[74ad8c0]	1277	auto designation = new Designation( get<Expression>().acceptL( node->designators ) );
	1278	designation->location = node->location;
	1279	this->node = designation;
[74dbbf6]	1280	return nullptr;
	1281	}
	1282
	1283	const ast::Init * visit( const ast::SingleInit * node ) override final {
[74ad8c0]	1284	auto init = new SingleInit(
	1285	get<Expression>().accept1( node->value ),
	1286	ast::MaybeConstruct == node->maybeConstructed
	1287	);
	1288	init->location = node->location;
	1289	this->node = init;
[74dbbf6]	1290	return nullptr;
	1291	}
	1292
	1293	const ast::Init * visit( const ast::ListInit * node ) override final {
[74ad8c0]	1294	auto init = new ListInit(
	1295	get<Initializer>().acceptL( node->initializers ),
	1296	get<Designation>().acceptL( node->designations ),
	1297	ast::MaybeConstruct == node->maybeConstructed
	1298	);
	1299	init->location = node->location;
	1300	this->node = init;
[74dbbf6]	1301	return nullptr;
	1302	}
	1303
	1304	const ast::Init * visit( const ast::ConstructorInit * node ) override final {
[74ad8c0]	1305	auto init = new ConstructorInit(
	1306	get<Statement>().accept1( node->ctor ),
	1307	get<Statement>().accept1( node->dtor ),
	1308	get<Initializer>().accept1( node->init )
	1309	);
	1310	init->location = node->location;
	1311	this->node = init;
[74dbbf6]	1312	return nullptr;
	1313	}
	1314
	1315	const ast::Attribute * visit( const ast::Attribute * node ) override final {
[dd6d7c6]	1316	auto attr = new Attribute(
	1317	node->name,
[489bacf]	1318	get<Expression>().acceptL(node->params)
[dd6d7c6]	1319	);
	1320	this->node = attr;
[74dbbf6]	1321	return nullptr;
	1322	}
	1323
	1324	const ast::TypeSubstitution * visit( const ast::TypeSubstitution * node ) override final {
[dd6d7c6]	1325	// Handled by convertTypeSubstitution helper instead.
	1326	// TypeSubstitution is not a node in the old model, so the conversion result wouldn't fit in this->node.
	1327	assert( 0 );
[0b57626]	1328	(void)node;
[74dbbf6]	1329	return nullptr;
	1330	}
[6d51bd7]	1331	};
	1332
[8abee136]	1333	std::list< Declaration * > convert( const std::list< ast::ptr< ast::Decl > > && translationUnit ) {
[74dbbf6]	1334	ConverterNewToOld c;
	1335	std::list< Declaration * > decls;
	1336	for(auto d : translationUnit) {
[675d816]	1337	decls.emplace_back( c.decl( d ) );
[74dbbf6]	1338	}
	1339	return decls;
[6d51bd7]	1340	}
	1341
	1342	//================================================================================================
	1343
	1344	class ConverterOldToNew : public Visitor {
	1345	public:
	1346	ast::Decl * decl() {
	1347	return strict_dynamic_cast< ast::Decl * >( node );
	1348	}
[546e712]	1349
	1350	ConverterOldToNew() = default;
	1351	ConverterOldToNew(const ConverterOldToNew &) = delete;
	1352	ConverterOldToNew(ConverterOldToNew &&) = delete;
[6d51bd7]	1353	private:
[d148778]	1354	/// conversion output
[546e712]	1355	ast::Node * node = nullptr;
[d148778]	1356	/// cache of nodes that might be referenced by readonly<> for de-duplication
[7870799]	1357	std::unordered_map< const BaseSyntaxNode , ast::Node > cache = {};
[6d51bd7]	1358
[6f8e87d]	1359	// Local Utilities:
	1360
	1361	template<typename NewT, typename OldT>
	1362	NewT * getAccept1( OldT old ) {
[d148778]	1363	if ( ! old ) return nullptr;
[6f8e87d]	1364	old->accept(*this);
[2c04369]	1365	ast::Node * ret = node;
	1366	node = nullptr;
	1367	return strict_dynamic_cast< NewT * >( ret );
[6f8e87d]	1368	}
	1369
	1370	# define GET_ACCEPT_1(child, type) \
	1371	getAccept1< ast::type, decltype( old->child ) >( old->child )
	1372
	1373	template<typename NewT, typename OldC>
[a62749f]	1374	std::vector< ast::ptr<NewT> > getAcceptV( const OldC& old ) {
[6f8e87d]	1375	std::vector< ast::ptr<NewT> > ret;
	1376	ret.reserve( old.size() );
	1377	for ( auto a : old ) {
	1378	a->accept( *this );
	1379	ret.emplace_back( strict_dynamic_cast< NewT * >(node) );
[2c04369]	1380	node = nullptr;
[6f8e87d]	1381	}
	1382	return ret;
	1383	}
	1384
	1385	# define GET_ACCEPT_V(child, type) \
	1386	getAcceptV< ast::type, decltype( old->child ) >( old->child )
[6355ba7]	1387
[60aaa51d]	1388	template<typename NewT, typename OldC>
[a62749f]	1389	std::deque< ast::ptr<NewT> > getAcceptD( const OldC& old ) {
[60aaa51d]	1390	std::deque< ast::ptr<NewT> > ret;
	1391	for ( auto a : old ) {
	1392	a->accept( *this );
	1393	ret.emplace_back( strict_dynamic_cast< NewT * >(node) );
	1394	node = nullptr;
	1395	}
	1396	return ret;
	1397	}
	1398
	1399	# define GET_ACCEPT_D(child, type) \
	1400	getAcceptD< ast::type, decltype( old->child ) >( old->child )
[6f8e87d]	1401
[a62749f]	1402	ast::Label make_label(const Label* old) {
	1403	CodeLocation const & location =
	1404	( old->labelled ) ? old->labelled->location : CodeLocation();
[6f8e87d]	1405	return ast::Label(
[a62749f]	1406	location,
[6f8e87d]	1407	old->name,
	1408	GET_ACCEPT_V(attributes, Attribute)
	1409	);
	1410	}
	1411
[6d51bd7]	1412	template<template <class...> class C>
	1413	C<ast::Label> make_labels(C<Label> olds) {
	1414	C<ast::Label> ret;
[6f8e87d]	1415	for (auto oldn : olds) {
	1416	ret.push_back( make_label( &oldn ) );
[6d51bd7]	1417	}
	1418	return ret;
	1419	}
	1420
[6f8e87d]	1421	# define GET_LABELS_V(labels) \
	1422	to<std::vector>::from( make_labels( std::move( labels ) ) )
[0b57626]	1423
[7870799]	1424	static ast::CV::Qualifiers cv( const Type * ty ) { return { ty->tq.val }; }
[d148778]	1425
[b869ec5]	1426	/// returns true and sets `node` if in cache
[7870799]	1427	bool inCache( const BaseSyntaxNode * old ) {
[d148778]	1428	auto it = cache.find( old );
[b869ec5]	1429	if ( it == cache.end() ) return false;
	1430	node = it->second;
	1431	return true;
[d148778]	1432	}
[6f8e87d]	1433
	1434	// Now all the visit functions:
	1435
[7870799]	1436	virtual void visit( const ObjectDecl * old ) override final {
[546e712]	1437	auto&& type = GET_ACCEPT_1(type, Type);
	1438	auto&& init = GET_ACCEPT_1(init, Init);
	1439	auto&& bfwd = GET_ACCEPT_1(bitfieldWidth, Expr);
	1440	auto&& attr = GET_ACCEPT_V(attributes, Attribute);
	1441	if ( inCache( old ) ) {
	1442	return;
	1443	}
[6d51bd7]	1444	auto decl = new ast::ObjectDecl(
	1445	old->location,
	1446	old->name,
[546e712]	1447	type,
	1448	init,
[6d51bd7]	1449	{ old->get_storageClasses().val },
	1450	{ old->linkage.val },
[546e712]	1451	bfwd,
	1452	std::move(attr),
[6d51bd7]	1453	{ old->get_funcSpec().val }
	1454	);
[546e712]	1455	cache.emplace(old, decl);
	1456	assert(cache.find( old ) != cache.end());
[6d51bd7]	1457	decl->scopeLevel = old->scopeLevel;
	1458	decl->mangleName = old->mangleName;
	1459	decl->isDeleted = old->isDeleted;
[e6faef4]	1460	decl->asmName = GET_ACCEPT_1(asmName, Expr);
[6d51bd7]	1461	decl->uniqueId = old->uniqueId;
	1462	decl->extension = old->extension;
	1463
	1464	this->node = decl;
	1465	}
	1466
[7870799]	1467	virtual void visit( const FunctionDecl * old ) override final {
[b869ec5]	1468	if ( inCache( old ) ) return;
[9a0cd9c]	1469	auto decl = new ast::FunctionDecl{
	1470	old->location,
	1471	old->name,
	1472	GET_ACCEPT_1(type, FunctionType),
[d88f8b3b]	1473	{},
[9a0cd9c]	1474	{ old->storageClasses.val },
	1475	{ old->linkage.val },
	1476	GET_ACCEPT_V(attributes, Attribute),
	1477	{ old->get_funcSpec().val }
	1478	};
[8abee136]	1479	cache.emplace( old, decl );
[d76c588]	1480	decl->withExprs = GET_ACCEPT_V(withExprs, Expr);
[d88f8b3b]	1481	decl->stmts = GET_ACCEPT_1(statements, CompoundStmt);
[9a0cd9c]	1482	decl->scopeLevel = old->scopeLevel;
	1483	decl->mangleName = old->mangleName;
	1484	decl->isDeleted = old->isDeleted;
[e6faef4]	1485	decl->asmName = GET_ACCEPT_1(asmName, Expr);
[9a0cd9c]	1486	decl->uniqueId = old->uniqueId;
	1487	decl->extension = old->extension;
	1488
	1489	this->node = decl;
[157a816]	1490
[0aedb01]	1491	if ( Validate::dereferenceOperator == old ) {
[157a816]	1492	dereferenceOperator = decl;
	1493	}
[043a5b6]	1494
	1495	if ( Validate::dtorStructDestroy == old ) {
	1496	dtorStructDestroy = decl;
	1497	}
[6d51bd7]	1498	}
	1499
[7870799]	1500	virtual void visit( const StructDecl * old ) override final {
[b869ec5]	1501	if ( inCache( old ) ) return;
[6d51bd7]	1502	auto decl = new ast::StructDecl(
	1503	old->location,
	1504	old->name,
[312029a]	1505	(ast::AggregateDecl::Aggregate)old->kind,
[d66e7b7]	1506	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1507	{ old->linkage.val }
	1508	);
[8abee136]	1509	cache.emplace( old, decl );
[d66e7b7]	1510	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1511	decl->body = old->body;
[d66e7b7]	1512	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1513	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1514	decl->extension = old->extension;
	1515	decl->uniqueId = old->uniqueId;
	1516	decl->storage = { old->storageClasses.val };
	1517
	1518	this->node = decl;
[043a5b6]	1519
	1520	if ( Validate::dtorStruct == old ) {
	1521	dtorStruct = decl;
	1522	}
[6d51bd7]	1523	}
	1524
[7870799]	1525	virtual void visit( const UnionDecl * old ) override final {
[b869ec5]	1526	if ( inCache( old ) ) return;
[6d51bd7]	1527	auto decl = new ast::UnionDecl(
	1528	old->location,
	1529	old->name,
[d66e7b7]	1530	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1531	{ old->linkage.val }
	1532	);
[8abee136]	1533	cache.emplace( old, decl );
[d66e7b7]	1534	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1535	decl->body = old->body;
[d66e7b7]	1536	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1537	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1538	decl->extension = old->extension;
	1539	decl->uniqueId = old->uniqueId;
	1540	decl->storage = { old->storageClasses.val };
	1541
	1542	this->node = decl;
	1543	}
	1544
[7870799]	1545	virtual void visit( const EnumDecl * old ) override final {
[b869ec5]	1546	if ( inCache( old ) ) return;
[157a816]	1547	auto decl = new ast::EnumDecl(
[6d51bd7]	1548	old->location,
	1549	old->name,
[d66e7b7]	1550	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1551	{ old->linkage.val }
	1552	);
[8abee136]	1553	cache.emplace( old, decl );
[d66e7b7]	1554	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1555	decl->body = old->body;
[d66e7b7]	1556	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1557	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1558	decl->extension = old->extension;
	1559	decl->uniqueId = old->uniqueId;
	1560	decl->storage = { old->storageClasses.val };
	1561
	1562	this->node = decl;
	1563	}
	1564
[7870799]	1565	virtual void visit( const TraitDecl * old ) override final {
[b869ec5]	1566	if ( inCache( old ) ) return;
[157a816]	1567	auto decl = new ast::TraitDecl(
[6d51bd7]	1568	old->location,
	1569	old->name,
[d66e7b7]	1570	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1571	{ old->linkage.val }
	1572	);
[8abee136]	1573	cache.emplace( old, decl );
[d66e7b7]	1574	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1575	decl->body = old->body;
[d66e7b7]	1576	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1577	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1578	decl->extension = old->extension;
	1579	decl->uniqueId = old->uniqueId;
	1580	decl->storage = { old->storageClasses.val };
	1581
	1582	this->node = decl;
	1583	}
	1584
[7870799]	1585	virtual void visit( const TypeDecl * old ) override final {
[0b57626]	1586	if ( inCache( old ) ) return;
[9a0cd9c]	1587	auto decl = new ast::TypeDecl{
	1588	old->location,
	1589	old->name,
	1590	{ old->storageClasses.val },
	1591	GET_ACCEPT_1(base, Type),
[07de76b]	1592	(ast::TypeDecl::Kind)(unsigned)old->kind,
[9a0cd9c]	1593	old->sized,
	1594	GET_ACCEPT_1(init, Type)
	1595	};
[8abee136]	1596	cache.emplace( old, decl );
[9a0cd9c]	1597	decl->assertions = GET_ACCEPT_V(assertions, DeclWithType);
	1598	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1599	decl->extension = old->extension;
	1600	decl->uniqueId = old->uniqueId;
	1601
	1602	this->node = decl;
[6d51bd7]	1603	}
	1604
[7870799]	1605	virtual void visit( const TypedefDecl * old ) override final {
[6d51bd7]	1606	auto decl = new ast::TypedefDecl(
	1607	old->location,
	1608	old->name,
	1609	{ old->storageClasses.val },
[d66e7b7]	1610	GET_ACCEPT_1(base, Type),
[6d51bd7]	1611	{ old->linkage.val }
	1612	);
[d66e7b7]	1613	decl->assertions = GET_ACCEPT_V(assertions, DeclWithType);
	1614	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
[6d51bd7]	1615	decl->extension = old->extension;
	1616	decl->uniqueId = old->uniqueId;
	1617	decl->storage = { old->storageClasses.val };
	1618
	1619	this->node = decl;
	1620	}
	1621
[7870799]	1622	virtual void visit( const AsmDecl * old ) override final {
[9a0cd9c]	1623	auto decl = new ast::AsmDecl{
[0b57626]	1624	old->location,
[9a0cd9c]	1625	GET_ACCEPT_1(stmt, AsmStmt)
	1626	};
	1627	decl->extension = old->extension;
	1628	decl->uniqueId = old->uniqueId;
	1629	decl->storage = { old->storageClasses.val };
[6d51bd7]	1630
[9a0cd9c]	1631	this->node = decl;
[6d51bd7]	1632	}
	1633
[7870799]	1634	virtual void visit( const StaticAssertDecl * old ) override final {
[9a0cd9c]	1635	auto decl = new ast::StaticAssertDecl{
	1636	old->location,
	1637	GET_ACCEPT_1(condition, Expr),
	1638	GET_ACCEPT_1(message, ConstantExpr)
	1639	};
	1640	decl->extension = old->extension;
	1641	decl->uniqueId = old->uniqueId;
	1642	decl->storage = { old->storageClasses.val };
[6d51bd7]	1643
[9a0cd9c]	1644	this->node = decl;
[6d51bd7]	1645	}
	1646
[7870799]	1647	virtual void visit( const CompoundStmt * old ) override final {
[4073b16]	1648	if ( inCache( old ) ) return;
[6d51bd7]	1649	auto stmt = new ast::CompoundStmt(
	1650	old->location,
[d66e7b7]	1651	to<std::list>::from( GET_ACCEPT_V(kids, Stmt) ),
	1652	GET_LABELS_V(old->labels)
[6d51bd7]	1653	);
	1654
	1655	this->node = stmt;
[4073b16]	1656	cache.emplace( old, this->node );
[6d51bd7]	1657	}
	1658
[7870799]	1659	virtual void visit( const ExprStmt * old ) override final {
[4073b16]	1660	if ( inCache( old ) ) return;
[6f8e87d]	1661	this->node = new ast::ExprStmt(
[6d51bd7]	1662	old->location,
[6f8e87d]	1663	GET_ACCEPT_1(expr, Expr),
	1664	GET_LABELS_V(old->labels)
[6d51bd7]	1665	);
[4073b16]	1666	cache.emplace( old, this->node );
[6d51bd7]	1667	}
	1668
[7870799]	1669	virtual void visit( const AsmStmt * old ) override final {
[4073b16]	1670	if ( inCache( old ) ) return;
[6f8e87d]	1671	this->node = new ast::AsmStmt(
	1672	old->location,
	1673	old->voltile,
	1674	GET_ACCEPT_1(instruction, Expr),
	1675	GET_ACCEPT_V(output, Expr),
	1676	GET_ACCEPT_V(input, Expr),
	1677	GET_ACCEPT_V(clobber, ConstantExpr),
	1678	GET_LABELS_V(old->gotolabels),
	1679	GET_LABELS_V(old->labels)
	1680	);
[4073b16]	1681	cache.emplace( old, this->node );
[6d51bd7]	1682	}
	1683
[7870799]	1684	virtual void visit( const DirectiveStmt * old ) override final {
[4073b16]	1685	if ( inCache( old ) ) return;
[6f8e87d]	1686	this->node = new ast::DirectiveStmt(
	1687	old->location,
	1688	old->directive,
	1689	GET_LABELS_V(old->labels)
	1690	);
[4073b16]	1691	cache.emplace( old, this->node );
[6d51bd7]	1692	}
	1693
[7870799]	1694	virtual void visit( const IfStmt * old ) override final {
[4073b16]	1695	if ( inCache( old ) ) return;
[6f8e87d]	1696	this->node = new ast::IfStmt(
	1697	old->location,
	1698	GET_ACCEPT_1(condition, Expr),
	1699	GET_ACCEPT_1(thenPart, Stmt),
	1700	GET_ACCEPT_1(elsePart, Stmt),
	1701	GET_ACCEPT_V(initialization, Stmt),
	1702	GET_LABELS_V(old->labels)
	1703	);
[4073b16]	1704	cache.emplace( old, this->node );
[6d51bd7]	1705	}
	1706
[7870799]	1707	virtual void visit( const SwitchStmt * old ) override final {
[4073b16]	1708	if ( inCache( old ) ) return;
[6f8e87d]	1709	this->node = new ast::SwitchStmt(
	1710	old->location,
	1711	GET_ACCEPT_1(condition, Expr),
	1712	GET_ACCEPT_V(statements, Stmt),
	1713	GET_LABELS_V(old->labels)
	1714	);
[4073b16]	1715	cache.emplace( old, this->node );
[6d51bd7]	1716	}
	1717
[7870799]	1718	virtual void visit( const CaseStmt * old ) override final {
[4073b16]	1719	if ( inCache( old ) ) return;
[6f8e87d]	1720	this->node = new ast::CaseStmt(
	1721	old->location,
	1722	GET_ACCEPT_1(condition, Expr),
	1723	GET_ACCEPT_V(stmts, Stmt),
	1724	GET_LABELS_V(old->labels)
	1725	);
[4073b16]	1726	cache.emplace( old, this->node );
[6d51bd7]	1727	}
	1728
[7870799]	1729	virtual void visit( const WhileStmt * old ) override final {
[4073b16]	1730	if ( inCache( old ) ) return;
[6f8e87d]	1731	this->node = new ast::WhileStmt(
	1732	old->location,
	1733	GET_ACCEPT_1(condition, Expr),
	1734	GET_ACCEPT_1(body, Stmt),
	1735	GET_ACCEPT_V(initialization, Stmt),
	1736	old->isDoWhile,
	1737	GET_LABELS_V(old->labels)
	1738	);
[4073b16]	1739	cache.emplace( old, this->node );
[6d51bd7]	1740	}
	1741
[7870799]	1742	virtual void visit( const ForStmt * old ) override final {
[4073b16]	1743	if ( inCache( old ) ) return;
[6f8e87d]	1744	this->node = new ast::ForStmt(
	1745	old->location,
	1746	GET_ACCEPT_V(initialization, Stmt),
	1747	GET_ACCEPT_1(condition, Expr),
	1748	GET_ACCEPT_1(increment, Expr),
	1749	GET_ACCEPT_1(body, Stmt),
	1750	GET_LABELS_V(old->labels)
	1751	);
[4073b16]	1752	cache.emplace( old, this->node );
[6d51bd7]	1753	}
	1754
[7870799]	1755	virtual void visit( const BranchStmt * old ) override final {
[4073b16]	1756	if ( inCache( old ) ) return;
[6f8e87d]	1757	if (old->computedTarget) {
	1758	this->node = new ast::BranchStmt(
	1759	old->location,
	1760	GET_ACCEPT_1(computedTarget, Expr),
	1761	GET_LABELS_V(old->labels)
	1762	);
	1763	} else {
	1764	ast::BranchStmt::Kind kind;
	1765	switch (old->type) {
	1766	#define CASE(n) \
	1767	case BranchStmt::n: \
	1768	kind = ast::BranchStmt::n; \
	1769	break
	1770	CASE(Goto);
	1771	CASE(Break);
	1772	CASE(Continue);
	1773	CASE(FallThrough);
	1774	CASE(FallThroughDefault);
	1775	#undef CASE
[d66e7b7]	1776	default:
	1777	assertf(false, "Invalid BranchStmt::Type %d\n", old->type);
[6f8e87d]	1778	}
	1779
	1780	auto stmt = new ast::BranchStmt(
	1781	old->location,
	1782	kind,
[a62749f]	1783	make_label(&old->originalTarget),
[6f8e87d]	1784	GET_LABELS_V(old->labels)
	1785	);
	1786	stmt->target = make_label(&old->target);
	1787	this->node = stmt;
	1788	}
[4073b16]	1789	cache.emplace( old, this->node );
[6d51bd7]	1790	}
	1791
[7870799]	1792	virtual void visit( const ReturnStmt * old ) override final {
[4073b16]	1793	if ( inCache( old ) ) return;
[6f8e87d]	1794	this->node = new ast::ReturnStmt(
	1795	old->location,
	1796	GET_ACCEPT_1(expr, Expr),
	1797	GET_LABELS_V(old->labels)
	1798	);
[4073b16]	1799	cache.emplace( old, this->node );
[6d51bd7]	1800	}
	1801
[7870799]	1802	virtual void visit( const ThrowStmt * old ) override final {
[4073b16]	1803	if ( inCache( old ) ) return;
[6f4b7f2]	1804	ast::ExceptionKind kind;
[6f8e87d]	1805	switch (old->kind) {
	1806	case ThrowStmt::Terminate:
[6f4b7f2]	1807	kind = ast::ExceptionKind::Terminate;
[6f8e87d]	1808	break;
	1809	case ThrowStmt::Resume:
[6f4b7f2]	1810	kind = ast::ExceptionKind::Resume;
[6f8e87d]	1811	break;
[d66e7b7]	1812	default:
	1813	assertf(false, "Invalid ThrowStmt::Kind %d\n", old->kind);
[6f8e87d]	1814	}
[6d51bd7]	1815
[6f8e87d]	1816	this->node = new ast::ThrowStmt(
	1817	old->location,
	1818	kind,
	1819	GET_ACCEPT_1(expr, Expr),
	1820	GET_ACCEPT_1(target, Expr),
	1821	GET_LABELS_V(old->labels)
	1822	);
[4073b16]	1823	cache.emplace( old, this->node );
[6d51bd7]	1824	}
	1825
[7870799]	1826	virtual void visit( const TryStmt * old ) override final {
[4073b16]	1827	if ( inCache( old ) ) return;
[6f8e87d]	1828	this->node = new ast::TryStmt(
	1829	old->location,
	1830	GET_ACCEPT_1(block, CompoundStmt),
	1831	GET_ACCEPT_V(handlers, CatchStmt),
	1832	GET_ACCEPT_1(finallyBlock, FinallyStmt),
	1833	GET_LABELS_V(old->labels)
	1834	);
[4073b16]	1835	cache.emplace( old, this->node );
[6d51bd7]	1836	}
	1837
[7870799]	1838	virtual void visit( const CatchStmt * old ) override final {
[4073b16]	1839	if ( inCache( old ) ) return;
[6f4b7f2]	1840	ast::ExceptionKind kind;
[6f8e87d]	1841	switch (old->kind) {
	1842	case CatchStmt::Terminate:
[6f4b7f2]	1843	kind = ast::ExceptionKind::Terminate;
[6f8e87d]	1844	break;
	1845	case CatchStmt::Resume:
[6f4b7f2]	1846	kind = ast::ExceptionKind::Resume;
[6f8e87d]	1847	break;
[d66e7b7]	1848	default:
	1849	assertf(false, "Invalid CatchStmt::Kind %d\n", old->kind);
[6f8e87d]	1850	}
[6d51bd7]	1851
[6f8e87d]	1852	this->node = new ast::CatchStmt(
	1853	old->location,
	1854	kind,
	1855	GET_ACCEPT_1(decl, Decl),
	1856	GET_ACCEPT_1(cond, Expr),
	1857	GET_ACCEPT_1(body, Stmt),
	1858	GET_LABELS_V(old->labels)
	1859	);
[4073b16]	1860	cache.emplace( old, this->node );
[6d51bd7]	1861	}
	1862
[7870799]	1863	virtual void visit( const FinallyStmt * old ) override final {
[4073b16]	1864	if ( inCache( old ) ) return;
[6f8e87d]	1865	this->node = new ast::FinallyStmt(
	1866	old->location,
	1867	GET_ACCEPT_1(block, CompoundStmt),
	1868	GET_LABELS_V(old->labels)
	1869	);
[37cdd97]	1870	cache.emplace( old, this->node );
	1871	}
	1872
	1873	virtual void visit( const SuspendStmt * old ) override final {
	1874	if ( inCache( old ) ) return;
	1875	ast::SuspendStmt::Type type;
	1876	switch (old->type) {
	1877	case SuspendStmt::Coroutine: type = ast::SuspendStmt::Coroutine; break;
	1878	case SuspendStmt::Generator: type = ast::SuspendStmt::Generator; break;
	1879	case SuspendStmt::None : type = ast::SuspendStmt::None ; break;
	1880	default: abort();
	1881	}
	1882	this->node = new ast::SuspendStmt(
	1883	old->location,
	1884	GET_ACCEPT_1(then , CompoundStmt),
	1885	type,
	1886	GET_LABELS_V(old->labels)
	1887	);
[4073b16]	1888	cache.emplace( old, this->node );
[6d51bd7]	1889	}
	1890
[7870799]	1891	virtual void visit( const WaitForStmt * old ) override final {
[4073b16]	1892	if ( inCache( old ) ) return;
[6f8e87d]	1893	ast::WaitForStmt * stmt = new ast::WaitForStmt(
	1894	old->location,
	1895	GET_LABELS_V(old->labels)
	1896	);
[6d51bd7]	1897
[6f8e87d]	1898	stmt->clauses.reserve( old->clauses.size() );
	1899	for (size_t i = 0 ; i < old->clauses.size() ; ++i) {
	1900	stmt->clauses.push_back({
	1901	ast::WaitForStmt::Target{
	1902	GET_ACCEPT_1(clauses[i].target.function, Expr),
	1903	GET_ACCEPT_V(clauses[i].target.arguments, Expr)
	1904	},
	1905	GET_ACCEPT_1(clauses[i].statement, Stmt),
	1906	GET_ACCEPT_1(clauses[i].condition, Expr)
	1907	});
	1908	}
	1909	stmt->timeout = {
	1910	GET_ACCEPT_1(timeout.time, Expr),
	1911	GET_ACCEPT_1(timeout.statement, Stmt),
	1912	GET_ACCEPT_1(timeout.condition, Expr),
	1913	};
	1914	stmt->orElse = {
[1e5dedc4]	1915	GET_ACCEPT_1(orelse.statement, Stmt),
	1916	GET_ACCEPT_1(orelse.condition, Expr),
[6f8e87d]	1917	};
[6d51bd7]	1918
[6f8e87d]	1919	this->node = stmt;
[4073b16]	1920	cache.emplace( old, this->node );
[6f8e87d]	1921	}
[6d51bd7]	1922
[7870799]	1923	virtual void visit( const WithStmt * old ) override final {
[4073b16]	1924	if ( inCache( old ) ) return;
[6f8e87d]	1925	this->node = new ast::WithStmt(
	1926	old->location,
	1927	GET_ACCEPT_V(exprs, Expr),
[e67991f]	1928	GET_ACCEPT_1(stmt, Stmt)
[6f8e87d]	1929	);
[4073b16]	1930	cache.emplace( old, this->node );
[6d51bd7]	1931	}
	1932
[7870799]	1933	virtual void visit( const NullStmt * old ) override final {
[4073b16]	1934	if ( inCache( old ) ) return;
[6f8e87d]	1935	this->node = new ast::NullStmt(
[6d51bd7]	1936	old->location,
[6f8e87d]	1937	GET_LABELS_V(old->labels)
[6d51bd7]	1938	);
[4073b16]	1939	cache.emplace( old, this->node );
[6d51bd7]	1940	}
	1941
[7870799]	1942	virtual void visit( const DeclStmt * old ) override final {
[4073b16]	1943	if ( inCache( old ) ) return;
[6f8e87d]	1944	this->node = new ast::DeclStmt(
	1945	old->location,
	1946	GET_ACCEPT_1(decl, Decl),
	1947	GET_LABELS_V(old->labels)
	1948	);
[4073b16]	1949	cache.emplace( old, this->node );
[6d51bd7]	1950	}
	1951
[7870799]	1952	virtual void visit( const ImplicitCtorDtorStmt * old ) override final {
[4073b16]	1953	if ( inCache( old ) ) return;
[f685679]	1954	auto stmt = new ast::ImplicitCtorDtorStmt(
[6f8e87d]	1955	old->location,
[f685679]	1956	nullptr,
[6f8e87d]	1957	GET_LABELS_V(old->labels)
	1958	);
[2c04369]	1959	cache.emplace( old, stmt );
[f685679]	1960	stmt->callStmt = GET_ACCEPT_1(callStmt, Stmt);
[2c04369]	1961	this->node = stmt;
[6d51bd7]	1962	}
	1963
[172d9342]	1964	ast::TypeSubstitution * convertTypeSubstitution(const TypeSubstitution * old) {
	1965
[8abee136]	1966	if (!old) return nullptr;
	1967
[172d9342]	1968	ast::TypeSubstitution *rslt = new ast::TypeSubstitution();
	1969
	1970	for (decltype(old->begin()) old_i = old->begin(); old_i != old->end(); old_i++) {
	1971	rslt->add( old_i->first,
	1972	getAccept1<ast::Type>(old_i->second) );
	1973	}
[6d51bd7]	1974
[172d9342]	1975	for (decltype(old->beginVar()) old_i = old->beginVar(); old_i != old->endVar(); old_i++) {
	1976	rslt->addVar( old_i->first,
	1977	getAccept1<ast::Expr>(old_i->second) );
	1978	}
[19e567dd]	1979
	1980	return rslt;
[6d51bd7]	1981	}
	1982
[e0016a5]	1983	void convertInferUnion(ast::Expr::InferUnion &newInferred,
[19e567dd]	1984	const std::map<UniqueId,ParamEntry> &oldInferParams,
	1985	const std::vector<UniqueId> &oldResnSlots) {
	1986
	1987	assert( oldInferParams.empty() \|\| oldResnSlots.empty() );
	1988	assert( newInferred.mode == ast::Expr::InferUnion::Empty );
	1989
	1990	if ( !oldInferParams.empty() ) {
	1991	ast::InferredParams &tgt = newInferred.inferParams();
[8b34df0]	1992	for (auto & old : oldInferParams) {
[19e567dd]	1993	tgt[old.first] = ast::ParamEntry(
	1994	old.second.decl,
[aaeacf4]	1995	getAccept1<ast::Decl>(old.second.declptr),
[19e567dd]	1996	getAccept1<ast::Type>(old.second.actualType),
	1997	getAccept1<ast::Type>(old.second.formalType),
	1998	getAccept1<ast::Expr>(old.second.expr)
	1999	);
	2000	}
	2001	} else if ( !oldResnSlots.empty() ) {
	2002	ast::ResnSlots &tgt = newInferred.resnSlots();
	2003	for (auto old : oldResnSlots) {
	2004	tgt.push_back(old);
	2005	}
	2006	}
[172d9342]	2007	}
	2008
[7870799]	2009	ast::Expr * visitBaseExpr_SkipResultType( const Expression * old, ast::Expr * nw) {
[6d51bd7]	2010
[172d9342]	2011	nw->env = convertTypeSubstitution(old->env);
	2012
	2013	nw->extension = old->extension;
	2014	convertInferUnion(nw->inferred, old->inferParams, old->resnSlots);
	2015
	2016	return nw;
	2017	}
[6d51bd7]	2018
[7870799]	2019	ast::Expr * visitBaseExpr( const Expression * old, ast::Expr * nw) {
[20de6fb]	2020
	2021	nw->result = GET_ACCEPT_1(result, Type);
	2022	return visitBaseExpr_SkipResultType(old, nw);;
	2023	}
	2024
[7870799]	2025	virtual void visit( const ApplicationExpr * old ) override final {
[19e567dd]	2026	this->node = visitBaseExpr( old,
	2027	new ast::ApplicationExpr(
	2028	old->location,
	2029	GET_ACCEPT_1(function, Expr),
	2030	GET_ACCEPT_V(args, Expr)
	2031	)
	2032	);
[6d51bd7]	2033	}
	2034
[7870799]	2035	virtual void visit( const UntypedExpr * old ) override final {
[19e567dd]	2036	this->node = visitBaseExpr( old,
	2037	new ast::UntypedExpr(
	2038	old->location,
	2039	GET_ACCEPT_1(function, Expr),
	2040	GET_ACCEPT_V(args, Expr)
	2041	)
	2042	);
[172d9342]	2043	}
[6d51bd7]	2044
[7870799]	2045	virtual void visit( const NameExpr * old ) override final {
[172d9342]	2046	this->node = visitBaseExpr( old,
	2047	new ast::NameExpr(
	2048	old->location,
	2049	old->get_name()
	2050	)
	2051	);
[6d51bd7]	2052	}
	2053
[7870799]	2054	virtual void visit( const CastExpr * old ) override final {
[19e567dd]	2055	this->node = visitBaseExpr( old,
	2056	new ast::CastExpr(
	2057	old->location,
[28c89f4]	2058	GET_ACCEPT_1(arg, Expr),
[19e567dd]	2059	old->isGenerated ? ast::GeneratedCast : ast::ExplicitCast
	2060	)
	2061	);
[6d51bd7]	2062	}
	2063
[312029a]	2064	virtual void visit( const KeywordCastExpr * old ) override final {
	2065	ast::AggregateDecl::Aggregate castTarget = (ast::AggregateDecl::Aggregate)old->target;
	2066	assert( ast::AggregateDecl::Generator <= castTarget && castTarget <= ast::AggregateDecl::Thread );
[28c89f4]	2067	this->node = visitBaseExpr( old,
	2068	new ast::KeywordCastExpr(
	2069	old->location,
	2070	GET_ACCEPT_1(arg, Expr),
	2071	castTarget
	2072	)
	2073	);
[6d51bd7]	2074	}
	2075
[7870799]	2076	virtual void visit( const VirtualCastExpr * old ) override final {
[20de6fb]	2077	this->node = visitBaseExpr_SkipResultType( old,
[28c89f4]	2078	new ast::VirtualCastExpr(
	2079	old->location,
	2080	GET_ACCEPT_1(arg, Expr),
[20de6fb]	2081	GET_ACCEPT_1(result, Type)
[28c89f4]	2082	)
	2083	);
[6d51bd7]	2084	}
	2085
[7870799]	2086	virtual void visit( const AddressExpr * old ) override final {
[28c89f4]	2087	this->node = visitBaseExpr( old,
	2088	new ast::AddressExpr(
	2089	old->location,
	2090	GET_ACCEPT_1(arg, Expr)
	2091	)
	2092	);
[6d51bd7]	2093	}
	2094
[7870799]	2095	virtual void visit( const LabelAddressExpr * old ) override final {
[28c89f4]	2096	this->node = visitBaseExpr( old,
	2097	new ast::LabelAddressExpr(
	2098	old->location,
	2099	make_label(&old->arg)
	2100	)
	2101	);
[6d51bd7]	2102	}
	2103
[7870799]	2104	virtual void visit( const UntypedMemberExpr * old ) override final {
[28c89f4]	2105	this->node = visitBaseExpr( old,
	2106	new ast::UntypedMemberExpr(
	2107	old->location,
	2108	GET_ACCEPT_1(member, Expr),
	2109	GET_ACCEPT_1(aggregate, Expr)
	2110	)
	2111	);
[6d51bd7]	2112	}
	2113
[7870799]	2114	virtual void visit( const MemberExpr * old ) override final {
[28c89f4]	2115	this->node = visitBaseExpr( old,
	2116	new ast::MemberExpr(
	2117	old->location,
[2a54479]	2118	GET_ACCEPT_1(member, DeclWithType),
[28c89f4]	2119	GET_ACCEPT_1(aggregate, Expr)
	2120	)
	2121	);
[6d51bd7]	2122	}
	2123
[7870799]	2124	virtual void visit( const VariableExpr * old ) override final {
[546e712]	2125	auto expr = new ast::VariableExpr(
	2126	old->location
	2127	);
	2128
	2129	expr->var = GET_ACCEPT_1(var, DeclWithType);
[6896548]	2130	visitBaseExpr( old, expr );
[6d51bd7]	2131
[546e712]	2132	this->node = expr;
[6d51bd7]	2133	}
	2134
[7870799]	2135	virtual void visit( const ConstantExpr * old ) override final {
[c36298d]	2136	ast::ConstantExpr *rslt = new ast::ConstantExpr(
	2137	old->location,
	2138	GET_ACCEPT_1(result, Type),
[7870799]	2139	old->constant.rep,
[c36298d]	2140	old->constant.ival
	2141	);
[7870799]	2142	rslt->underlyer = getAccept1< ast::Type, Type* >( old->constant.type );
[28c89f4]	2143	this->node = visitBaseExpr( old, rslt );
	2144	}
	2145
[7870799]	2146	virtual void visit( const SizeofExpr * old ) override final {
[28c89f4]	2147	assert (old->expr \|\| old->type);
	2148	assert (! (old->expr && old->type));
	2149	ast::SizeofExpr *rslt;
	2150	if (old->expr) {
	2151	assert(!old->isType);
	2152	rslt = new ast::SizeofExpr(
[0b57626]	2153	old->location,
[28c89f4]	2154	GET_ACCEPT_1(expr, Expr)
	2155	);
	2156	}
	2157	if (old->type) {
	2158	assert(old->isType);
	2159	rslt = new ast::SizeofExpr(
[0b57626]	2160	old->location,
[28c89f4]	2161	GET_ACCEPT_1(type, Type)
	2162	);
	2163	}
	2164	this->node = visitBaseExpr( old, rslt );
	2165	}
	2166
[7870799]	2167	virtual void visit( const AlignofExpr * old ) override final {
[28c89f4]	2168	assert (old->expr \|\| old->type);
	2169	assert (! (old->expr && old->type));
	2170	ast::AlignofExpr *rslt;
	2171	if (old->expr) {
	2172	assert(!old->isType);
	2173	rslt = new ast::AlignofExpr(
[0b57626]	2174	old->location,
[28c89f4]	2175	GET_ACCEPT_1(expr, Expr)
	2176	);
	2177	}
	2178	if (old->type) {
	2179	assert(old->isType);
	2180	rslt = new ast::AlignofExpr(
[0b57626]	2181	old->location,
[28c89f4]	2182	GET_ACCEPT_1(type, Type)
	2183	);
	2184	}
	2185	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2186	}
	2187
[7870799]	2188	virtual void visit( const UntypedOffsetofExpr * old ) override final {
[28c89f4]	2189	this->node = visitBaseExpr( old,
	2190	new ast::UntypedOffsetofExpr(
	2191	old->location,
	2192	GET_ACCEPT_1(type, Type),
	2193	old->member
	2194	)
	2195	);
[6d51bd7]	2196	}
	2197
[7870799]	2198	virtual void visit( const OffsetofExpr * old ) override final {
[28c89f4]	2199	this->node = visitBaseExpr( old,
	2200	new ast::OffsetofExpr(
	2201	old->location,
	2202	GET_ACCEPT_1(type, Type),
[2a54479]	2203	GET_ACCEPT_1(member, DeclWithType)
[28c89f4]	2204	)
	2205	);
[6d51bd7]	2206	}
	2207
[7870799]	2208	virtual void visit( const OffsetPackExpr * old ) override final {
[28c89f4]	2209	this->node = visitBaseExpr( old,
	2210	new ast::OffsetPackExpr(
	2211	old->location,
	2212	GET_ACCEPT_1(type, StructInstType)
	2213	)
	2214	);
[6d51bd7]	2215	}
	2216
[7870799]	2217	virtual void visit( const LogicalExpr * old ) override final {
[28c89f4]	2218	this->node = visitBaseExpr( old,
	2219	new ast::LogicalExpr(
	2220	old->location,
	2221	GET_ACCEPT_1(arg1, Expr),
	2222	GET_ACCEPT_1(arg2, Expr),
[0b57626]	2223	old->get_isAnd() ?
[28c89f4]	2224	ast::LogicalFlag::AndExpr :
	2225	ast::LogicalFlag::OrExpr
	2226	)
	2227	);
[6d51bd7]	2228	}
	2229
[7870799]	2230	virtual void visit( const ConditionalExpr * old ) override final {
[28c89f4]	2231	this->node = visitBaseExpr( old,
	2232	new ast::ConditionalExpr(
	2233	old->location,
	2234	GET_ACCEPT_1(arg1, Expr),
	2235	GET_ACCEPT_1(arg2, Expr),
	2236	GET_ACCEPT_1(arg3, Expr)
	2237	)
	2238	);
	2239	}
[6d51bd7]	2240
[7870799]	2241	virtual void visit( const CommaExpr * old ) override final {
[28c89f4]	2242	this->node = visitBaseExpr( old,
	2243	new ast::CommaExpr(
	2244	old->location,
	2245	GET_ACCEPT_1(arg1, Expr),
	2246	GET_ACCEPT_1(arg2, Expr)
	2247	)
	2248	);
[6d51bd7]	2249	}
	2250
[7870799]	2251	virtual void visit( const TypeExpr * old ) override final {
[20de6fb]	2252	this->node = visitBaseExpr( old,
	2253	new ast::TypeExpr(
	2254	old->location,
	2255	GET_ACCEPT_1(type, Type)
	2256	)
	2257	);
[6d51bd7]	2258	}
	2259
[7870799]	2260	virtual void visit( const AsmExpr * old ) override final {
[20de6fb]	2261	this->node = visitBaseExpr( old,
	2262	new ast::AsmExpr(
	2263	old->location,
[665f432]	2264	old->inout,
[20de6fb]	2265	GET_ACCEPT_1(constraint, Expr),
	2266	GET_ACCEPT_1(operand, Expr)
	2267	)
	2268	);
[6d51bd7]	2269	}
	2270
[7870799]	2271	virtual void visit( const ImplicitCopyCtorExpr * old ) override final {
[20de6fb]	2272	auto rslt = new ast::ImplicitCopyCtorExpr(
	2273	old->location,
	2274	GET_ACCEPT_1(callExpr, ApplicationExpr)
	2275	);
[6d51bd7]	2276
[20de6fb]	2277	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2278	}
	2279
[7870799]	2280	virtual void visit( const ConstructorExpr * old ) override final {
[20de6fb]	2281	this->node = visitBaseExpr( old,
	2282	new ast::ConstructorExpr(
	2283	old->location,
	2284	GET_ACCEPT_1(callExpr, Expr)
	2285	)
	2286	);
[6d51bd7]	2287	}
	2288
[7870799]	2289	virtual void visit( const CompoundLiteralExpr * old ) override final {
[20de6fb]	2290	this->node = visitBaseExpr_SkipResultType( old,
	2291	new ast::CompoundLiteralExpr(
	2292	old->location,
	2293	GET_ACCEPT_1(result, Type),
	2294	GET_ACCEPT_1(initializer, Init)
	2295	)
	2296	);
[6d51bd7]	2297	}
	2298
[7870799]	2299	virtual void visit( const RangeExpr * old ) override final {
[20de6fb]	2300	this->node = visitBaseExpr( old,
	2301	new ast::RangeExpr(
	2302	old->location,
	2303	GET_ACCEPT_1(low, Expr),
	2304	GET_ACCEPT_1(high, Expr)
	2305	)
	2306	);
[6d51bd7]	2307	}
	2308
[7870799]	2309	virtual void visit( const UntypedTupleExpr * old ) override final {
[20de6fb]	2310	this->node = visitBaseExpr( old,
	2311	new ast::UntypedTupleExpr(
	2312	old->location,
	2313	GET_ACCEPT_V(exprs, Expr)
	2314	)
	2315	);
[6d51bd7]	2316	}
	2317
[7870799]	2318	virtual void visit( const TupleExpr * old ) override final {
[20de6fb]	2319	this->node = visitBaseExpr( old,
	2320	new ast::TupleExpr(
	2321	old->location,
	2322	GET_ACCEPT_V(exprs, Expr)
	2323	)
	2324	);
[6d51bd7]	2325	}
	2326
[7870799]	2327	virtual void visit( const TupleIndexExpr * old ) override final {
[20de6fb]	2328	this->node = visitBaseExpr( old,
	2329	new ast::TupleIndexExpr(
	2330	old->location,
	2331	GET_ACCEPT_1(tuple, Expr),
	2332	old->index
	2333	)
	2334	);
[6d51bd7]	2335	}
	2336
[7870799]	2337	virtual void visit( const TupleAssignExpr * old ) override final {
[20de6fb]	2338	this->node = visitBaseExpr_SkipResultType( old,
	2339	new ast::TupleAssignExpr(
	2340	old->location,
	2341	GET_ACCEPT_1(result, Type),
	2342	GET_ACCEPT_1(stmtExpr, StmtExpr)
	2343	)
	2344	);
[6d51bd7]	2345	}
	2346
[7870799]	2347	virtual void visit( const StmtExpr * old ) override final {
[20de6fb]	2348	auto rslt = new ast::StmtExpr(
	2349	old->location,
	2350	GET_ACCEPT_1(statements, CompoundStmt)
	2351	);
	2352	rslt->returnDecls = GET_ACCEPT_V(returnDecls, ObjectDecl);
	2353	rslt->dtors = GET_ACCEPT_V(dtors , Expr);
[6d51bd7]	2354
[20de6fb]	2355	this->node = visitBaseExpr_SkipResultType( old, rslt );
[6d51bd7]	2356	}
	2357
[7870799]	2358	virtual void visit( const UniqueExpr * old ) override final {
[20de6fb]	2359	auto rslt = new ast::UniqueExpr(
	2360	old->location,
[a2a85658]	2361	GET_ACCEPT_1(expr, Expr),
	2362	old->get_id()
[20de6fb]	2363	);
	2364	rslt->object = GET_ACCEPT_1(object, ObjectDecl);
	2365	rslt->var = GET_ACCEPT_1(var , VariableExpr);
[6d51bd7]	2366
[20de6fb]	2367	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2368	}
	2369
[7870799]	2370	virtual void visit( const UntypedInitExpr * old ) override final {
[60aaa51d]	2371	std::deque<ast::InitAlternative> initAlts;
[20de6fb]	2372	for (auto ia : old->initAlts) {
	2373	initAlts.push_back(ast::InitAlternative(
	2374	getAccept1< ast::Type, Type * >( ia.type ),
	2375	getAccept1< ast::Designation, Designation * >( ia.designation )
	2376	));
	2377	}
	2378	this->node = visitBaseExpr( old,
	2379	new ast::UntypedInitExpr(
	2380	old->location,
	2381	GET_ACCEPT_1(expr, Expr),
	2382	std::move(initAlts)
	2383	)
	2384	);
[6d51bd7]	2385	}
	2386
[7870799]	2387	virtual void visit( const InitExpr * old ) override final {
[20de6fb]	2388	this->node = visitBaseExpr( old,
	2389	new ast::InitExpr(
	2390	old->location,
	2391	GET_ACCEPT_1(expr, Expr),
	2392	GET_ACCEPT_1(designation, Designation)
	2393	)
	2394	);
[6d51bd7]	2395	}
	2396
[7870799]	2397	virtual void visit( const DeletedExpr * old ) override final {
[20de6fb]	2398	this->node = visitBaseExpr( old,
	2399	new ast::DeletedExpr(
	2400	old->location,
	2401	GET_ACCEPT_1(expr, Expr),
	2402	inCache(old->deleteStmt) ?
[e67991f]	2403	strict_dynamic_cast<ast::Decl*>(this->node) :
	2404	GET_ACCEPT_1(deleteStmt, Decl)
[20de6fb]	2405	)
	2406	);
[6d51bd7]	2407	}
	2408
[7870799]	2409	virtual void visit( const DefaultArgExpr * old ) override final {
[20de6fb]	2410	this->node = visitBaseExpr( old,
	2411	new ast::DefaultArgExpr(
	2412	old->location,
	2413	GET_ACCEPT_1(expr, Expr)
	2414	)
	2415	);
	2416	}
[6d51bd7]	2417
[7870799]	2418	virtual void visit( const GenericExpr * old ) override final {
[20de6fb]	2419	std::vector<ast::GenericExpr::Association> associations;
	2420	for (auto association : old->associations) {
	2421	associations.push_back(ast::GenericExpr::Association(
	2422	getAccept1< ast::Type, Type * >( association.type ),
	2423	getAccept1< ast::Expr, Expression * >( association.expr )
	2424	));
	2425	}
	2426	this->node = visitBaseExpr( old,
	2427	new ast::GenericExpr(
	2428	old->location,
	2429	GET_ACCEPT_1(control, Expr),
	2430	std::move(associations)
	2431	)
	2432	);
[6d51bd7]	2433	}
	2434
[7870799]	2435	void visitType( const Type * old, ast::Type * type ) {
[1ae47de]	2436	// Some types do this in their constructor so add a check.
	2437	if ( !old->attributes.empty() && type->attributes.empty() ) {
	2438	type->attributes = GET_ACCEPT_V(attributes, Attribute);
	2439	}
	2440	this->node = type;
	2441	}
	2442
[7870799]	2443	virtual void visit( const VoidType * old ) override final {
[1ae47de]	2444	visitType( old, new ast::VoidType{ cv( old ) } );
[6d51bd7]	2445	}
	2446
[7870799]	2447	virtual void visit( const BasicType * old ) override final {
[2a54479]	2448	auto type = new ast::BasicType{ (ast::BasicType::Kind)(unsigned)old->kind, cv( old ) };
	2449	// I believe this should always be a BasicType.
	2450	if ( Validate::SizeType == old ) {
	2451	sizeType = type;
	2452	}
[1ae47de]	2453	visitType( old, type );
[6d51bd7]	2454	}
	2455
[7870799]	2456	virtual void visit( const PointerType * old ) override final {
[1ae47de]	2457	visitType( old, new ast::PointerType{
[d148778]	2458	GET_ACCEPT_1( base, Type ),
	2459	GET_ACCEPT_1( dimension, Expr ),
	2460	(ast::LengthFlag)old->isVarLen,
	2461	(ast::DimensionFlag)old->isStatic,
	2462	cv( old )
[1ae47de]	2463	} );
[6d51bd7]	2464	}
	2465
[7870799]	2466	virtual void visit( const ArrayType * old ) override final {
[1ae47de]	2467	visitType( old, new ast::ArrayType{
[d148778]	2468	GET_ACCEPT_1( base, Type ),
	2469	GET_ACCEPT_1( dimension, Expr ),
	2470	(ast::LengthFlag)old->isVarLen,
	2471	(ast::DimensionFlag)old->isStatic,
	2472	cv( old )
[1ae47de]	2473	} );
[6d51bd7]	2474	}
	2475
[7870799]	2476	virtual void visit( const ReferenceType * old ) override final {
[1ae47de]	2477	visitType( old, new ast::ReferenceType{
[d148778]	2478	GET_ACCEPT_1( base, Type ),
	2479	cv( old )
[1ae47de]	2480	} );
[6d51bd7]	2481	}
	2482
[7870799]	2483	virtual void visit( const QualifiedType * old ) override final {
[1ae47de]	2484	visitType( old, new ast::QualifiedType{
[d148778]	2485	GET_ACCEPT_1( parent, Type ),
	2486	GET_ACCEPT_1( child, Type ),
	2487	cv( old )
[1ae47de]	2488	} );
[6d51bd7]	2489	}
	2490
[7870799]	2491	virtual void visit( const FunctionType * old ) override final {
[d148778]	2492	auto ty = new ast::FunctionType {
	2493	(ast::ArgumentFlag)old->isVarArgs,
	2494	cv( old )
	2495	};
	2496	ty->returns = GET_ACCEPT_V( returnVals, DeclWithType );
	2497	ty->params = GET_ACCEPT_V( parameters, DeclWithType );
	2498	ty->forall = GET_ACCEPT_V( forall, TypeDecl );
[1ae47de]	2499	visitType( old, ty );
[6d51bd7]	2500	}
	2501
[7870799]	2502	void postvisit( const ReferenceToType * old, ast::ReferenceToType * ty ) {
[d148778]	2503	ty->forall = GET_ACCEPT_V( forall, TypeDecl );
	2504	ty->params = GET_ACCEPT_V( parameters, Expr );
	2505	ty->hoistType = old->hoistType;
[1ae47de]	2506	visitType( old, ty );
[6d51bd7]	2507	}
	2508
[7870799]	2509	virtual void visit( const StructInstType * old ) override final {
[b869ec5]	2510	ast::StructInstType * ty;
	2511	if ( old->baseStruct ) {
	2512	ty = new ast::StructInstType{
	2513	GET_ACCEPT_1( baseStruct, StructDecl ),
	2514	cv( old ),
	2515	GET_ACCEPT_V( attributes, Attribute )
	2516	};
	2517	} else {
	2518	ty = new ast::StructInstType{
	2519	old->name,
	2520	cv( old ),
	2521	GET_ACCEPT_V( attributes, Attribute )
	2522	};
	2523	}
[d148778]	2524	postvisit( old, ty );
[6d51bd7]	2525	}
	2526
[7870799]	2527	virtual void visit( const UnionInstType * old ) override final {
[b869ec5]	2528	ast::UnionInstType * ty;
	2529	if ( old->baseUnion ) {
	2530	ty = new ast::UnionInstType{
	2531	GET_ACCEPT_1( baseUnion, UnionDecl ),
	2532	cv( old ),
	2533	GET_ACCEPT_V( attributes, Attribute )
	2534	};
	2535	} else {
	2536	ty = new ast::UnionInstType{
	2537	old->name,
	2538	cv( old ),
	2539	GET_ACCEPT_V( attributes, Attribute )
	2540	};
	2541	}
[d148778]	2542	postvisit( old, ty );
[6d51bd7]	2543	}
	2544
[7870799]	2545	virtual void visit( const EnumInstType * old ) override final {
[b869ec5]	2546	ast::EnumInstType * ty;
	2547	if ( old->baseEnum ) {
	2548	ty = new ast::EnumInstType{
	2549	GET_ACCEPT_1( baseEnum, EnumDecl ),
	2550	cv( old ),
	2551	GET_ACCEPT_V( attributes, Attribute )
	2552	};
	2553	} else {
	2554	ty = new ast::EnumInstType{
	2555	old->name,
	2556	cv( old ),
	2557	GET_ACCEPT_V( attributes, Attribute )
	2558	};
	2559	}
[d148778]	2560	postvisit( old, ty );
[6d51bd7]	2561	}
	2562
[7870799]	2563	virtual void visit( const TraitInstType * old ) override final {
[b869ec5]	2564	ast::TraitInstType * ty;
	2565	if ( old->baseTrait ) {
	2566	ty = new ast::TraitInstType{
	2567	GET_ACCEPT_1( baseTrait, TraitDecl ),
	2568	cv( old ),
	2569	GET_ACCEPT_V( attributes, Attribute )
	2570	};
	2571	} else {
	2572	ty = new ast::TraitInstType{
	2573	old->name,
	2574	cv( old ),
	2575	GET_ACCEPT_V( attributes, Attribute )
	2576	};
	2577	}
[d148778]	2578	postvisit( old, ty );
	2579	}
[6d51bd7]	2580
[7870799]	2581	virtual void visit( const TypeInstType * old ) override final {
[514a791]	2582	ast::TypeInstType * ty;
	2583	if ( old->baseType ) {
	2584	ty = new ast::TypeInstType{
	2585	old->name,
[b869ec5]	2586	GET_ACCEPT_1( baseType, TypeDecl ),
[514a791]	2587	cv( old ),
	2588	GET_ACCEPT_V( attributes, Attribute )
	2589	};
	2590	} else {
	2591	ty = new ast::TypeInstType{
	2592	old->name,
[07de76b]	2593	old->isFtype ? ast::TypeDecl::Ftype : ast::TypeDecl::Dtype,
[514a791]	2594	cv( old ),
	2595	GET_ACCEPT_V( attributes, Attribute )
	2596	};
	2597	}
[d148778]	2598	postvisit( old, ty );
[6d51bd7]	2599	}
	2600
[7870799]	2601	virtual void visit( const TupleType * old ) override final {
[1ae47de]	2602	visitType( old, new ast::TupleType{
[746ae82]	2603	GET_ACCEPT_V( types, Type ),
	2604	// members generated by TupleType c'tor
	2605	cv( old )
[1ae47de]	2606	} );
[6d51bd7]	2607	}
	2608
[7870799]	2609	virtual void visit( const TypeofType * old ) override final {
[1ae47de]	2610	visitType( old, new ast::TypeofType{
[746ae82]	2611	GET_ACCEPT_1( expr, Expr ),
	2612	(ast::TypeofType::Kind)old->is_basetypeof,
	2613	cv( old )
[1ae47de]	2614	} );
[6d51bd7]	2615	}
	2616
[7870799]	2617	virtual void visit( const AttrType * ) override final {
[746ae82]	2618	assertf( false, "AttrType deprecated in new AST." );
[6d51bd7]	2619	}
	2620
[7870799]	2621	virtual void visit( const VarArgsType * old ) override final {
[1ae47de]	2622	visitType( old, new ast::VarArgsType{ cv( old ) } );
[6d51bd7]	2623	}
	2624
[7870799]	2625	virtual void visit( const ZeroType * old ) override final {
[1ae47de]	2626	visitType( old, new ast::ZeroType{ cv( old ) } );
[6d51bd7]	2627	}
	2628
[7870799]	2629	virtual void visit( const OneType * old ) override final {
[1ae47de]	2630	visitType( old, new ast::OneType{ cv( old ) } );
[6d51bd7]	2631	}
	2632
[7870799]	2633	virtual void visit( const GlobalScopeType * old ) override final {
[1ae47de]	2634	visitType( old, new ast::GlobalScopeType{} );
[6d51bd7]	2635	}
	2636
[7870799]	2637	virtual void visit( const Designation * old ) override final {
[74ad8c0]	2638	this->node = new ast::Designation(
	2639	old->location,
[60aaa51d]	2640	GET_ACCEPT_D(designators, Expr)
[74ad8c0]	2641	);
[6d51bd7]	2642	}
	2643
[7870799]	2644	virtual void visit( const SingleInit * old ) override final {
[74ad8c0]	2645	this->node = new ast::SingleInit(
	2646	old->location,
	2647	GET_ACCEPT_1(value, Expr),
	2648	(old->get_maybeConstructed()) ? ast::MaybeConstruct : ast::DoConstruct
	2649	);
[6d51bd7]	2650	}
	2651
[7870799]	2652	virtual void visit( const ListInit * old ) override final {
[74ad8c0]	2653	this->node = new ast::ListInit(
	2654	old->location,
	2655	GET_ACCEPT_V(initializers, Init),
	2656	GET_ACCEPT_V(designations, Designation),
	2657	(old->get_maybeConstructed()) ? ast::MaybeConstruct : ast::DoConstruct
	2658	);
[6d51bd7]	2659	}
	2660
[7870799]	2661	virtual void visit( const ConstructorInit * old ) override final {
[74ad8c0]	2662	this->node = new ast::ConstructorInit(
	2663	old->location,
	2664	GET_ACCEPT_1(ctor, Stmt),
	2665	GET_ACCEPT_1(dtor, Stmt),
	2666	GET_ACCEPT_1(init, Init)
	2667	);
[6d51bd7]	2668	}
	2669
[7870799]	2670	virtual void visit( const Constant * ) override final {
[dd6d7c6]	2671	// Handled in visit( ConstantEpxr * ).
	2672	// In the new tree, Constant fields are inlined into containing ConstantExpression.
	2673	assert( 0 );
[6d51bd7]	2674	}
	2675
[7870799]	2676	virtual void visit( const Attribute * old ) override final {
[dd6d7c6]	2677	this->node = new ast::Attribute(
	2678	old->name,
	2679	GET_ACCEPT_V( parameters, Expr )
	2680	);
[6d51bd7]	2681	}
	2682	};
	2683
[6f8e87d]	2684	#undef GET_LABELS_V
	2685	#undef GET_ACCEPT_V
	2686	#undef GET_ACCEPT_1
	2687
[74dbbf6]	2688	std::list< ast::ptr< ast::Decl > > convert( const std::list< Declaration * > && translationUnit ) {
[6d51bd7]	2689	ConverterOldToNew c;
	2690	std::list< ast::ptr< ast::Decl > > decls;
	2691	for(auto d : translationUnit) {
	2692	d->accept( c );
	2693	decls.emplace_back( c.decl() );
	2694	}
[8abee136]	2695	deleteAll(translationUnit);
[6d51bd7]	2696	return decls;
[6f8e87d]	2697	}

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