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source: src/AST/Convert.cpp @ 546e712

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

Last change on this file since 546e712 was 546e712, checked in by Thierry Delisle <tdelisle@…>, 5 years ago
Fix for 1 bug of N
Property mode set to `100644`
File size: 72.2 KB

Rev	Line
[6d51bd7]	1	//
	2	// Cforall Version 1.0.0 Copyright (C) 2019 University of Waterloo
	3	//
	4	// The contents of this file are covered under the licence agreement in the
	5	// file "LICENCE" distributed with Cforall.
	6	//
[74dbbf6]	7	// Convert.cpp -- Convert between the new and old syntax trees.
[6d51bd7]	8	//
	9	// Author : Thierry Delisle
	10	// Created On : Thu May 09 15::37::05 2019
[6f8e87d]	11	// Last Modified By : Andrew Beach
[2a54479]	12	// Last Modified On : Thu May 06 19:51:00 2019
	13	// Update Count : 10
[6d51bd7]	14	//
	15
	16	#include "Convert.hpp"
	17
[d148778]	18	#include <unordered_map>
	19
[6d51bd7]	20	#include "AST/Attribute.hpp"
	21	#include "AST/Decl.hpp"
	22	#include "AST/Expr.hpp"
	23	#include "AST/Init.hpp"
	24	#include "AST/Stmt.hpp"
[172d9342]	25	#include "AST/TypeSubstitution.hpp"
[6d51bd7]	26
[157a816]	27	#include "SymTab/Autogen.h"
[6d51bd7]	28	#include "SynTree/Attribute.h"
	29	#include "SynTree/Declaration.h"
[172d9342]	30	#include "SynTree/TypeSubstitution.h"
[6d51bd7]	31
[0aedb01]	32	#include "Validate/FindSpecialDecls.h"
	33
[6d51bd7]	34	//================================================================================================
	35	// Utilities
	36	template<template <class...> class C>
	37	struct to {
	38	template<typename T>
	39	static auto from( T && v ) -> C< typename T::value_type > {
	40	C< typename T::value_type > l;
	41	std::move(std::begin(v), std::end(v), std::back_inserter(l));
	42	return l;
	43	}
	44	};
	45
[157a816]	46	//================================================================================================
	47	namespace {
	48
[043a5b6]	49	// This is to preserve the FindSpecialDecls hack. It does not (and perhaps should not)
[157a816]	50	// allow us to use the same stratagy in the new ast.
[2a54479]	51	ast::Type * sizeType = nullptr;
[157a816]	52	ast::FunctionDecl * dereferenceOperator = nullptr;
[043a5b6]	53	ast::StructDecl * dtorStruct = nullptr;
	54	ast::FunctionDecl * dtorStructDestroy = nullptr;
[157a816]	55
	56	}
	57
[6d51bd7]	58	//================================================================================================
[74dbbf6]	59	class ConverterNewToOld : public ast::Visitor {
[675d816]	60	BaseSyntaxNode * node = nullptr;
[b869ec5]	61	using Cache = std::unordered_map< const ast::Node , BaseSyntaxNode >;
	62	Cache cache;
[675d816]	63
[74dbbf6]	64	template<typename T>
[675d816]	65	struct Getter {
	66	ConverterNewToOld & visitor;
	67
[514a791]	68	template<typename U, enum ast::Node::ref_type R>
	69	T * accept1( const ast::ptr_base<U, R> & ptr ) {
[d148778]	70	if ( ! ptr ) return nullptr;
[675d816]	71	ptr->accept( visitor );
	72	T * ret = strict_dynamic_cast< T * >( visitor.node );
	73	visitor.node = nullptr;
	74	return ret;
	75	}
	76
	77	template<typename U>
	78	std::list< T * > acceptL( const U & container ) {
	79	std::list< T * > ret;
[d76c588]	80	for ( auto ptr : container ) {
[675d816]	81	ret.emplace_back( accept1( ptr ) );
	82	}
	83	return ret;
	84	}
	85	};
	86
	87	template<typename T>
	88	Getter<T> get() {
	89	return Getter<T>{ *this };
	90	}
	91
	92	Label makeLabel(Statement * labelled, const ast::Label& label) {
	93	return Label(
	94	label.name,
	95	labelled,
	96	get<Attribute>().acceptL(label.attributes)
	97	);
	98	}
	99
	100	template<template <class...> class C>
	101	std::list<Label> makeLabelL(Statement * labelled, const C<ast::Label>& labels) {
	102	std::list<Label> ret;
	103	for (auto label : labels) {
	104	ret.push_back( makeLabel(labelled, label) );
	105	}
[74dbbf6]	106	return ret;
	107	}
	108
[d148778]	109	/// get new qualifiers from old type
	110	Type::Qualifiers cv( const ast::Type * ty ) { return { ty->qualifiers.val }; }
	111
[b869ec5]	112	/// returns true and sets `node` if in cache
	113	bool inCache( const ast::Node * node ) {
	114	auto it = cache.find( node );
	115	if ( it == cache.end() ) return false;
	116	this->node = it->second;
	117	return true;
[d148778]	118	}
	119
[675d816]	120	public:
	121	Declaration * decl( const ast::Decl * declNode ) {
	122	return get<Declaration>().accept1( ast::ptr<ast::Decl>( declNode ) );
	123	}
[74dbbf6]	124
[675d816]	125	private:
[112fe04]	126	void declPostamble( Declaration * decl, const ast::Decl * node ) {
	127	decl->location = node->location;
	128	// name comes from constructor
	129	// linkage comes from constructor
	130	decl->extension = node->extension;
	131	decl->uniqueId = node->uniqueId;
	132	// storageClasses comes from constructor
	133	this->node = decl;
	134	}
	135
	136	const ast::DeclWithType * declWithTypePostamble (
	137	DeclarationWithType * decl, const ast::DeclWithType * node ) {
[f685679]	138	cache.emplace( node, decl );
[112fe04]	139	decl->mangleName = node->mangleName;
	140	decl->scopeLevel = node->scopeLevel;
	141	decl->asmName = get<Expression>().accept1( node->asmName );
	142	// attributes comes from constructor
	143	decl->isDeleted = node->isDeleted;
	144	// fs comes from constructor
[f685679]	145	declPostamble( decl, node );
[74dbbf6]	146	return nullptr;
	147	}
	148
[112fe04]	149	const ast::DeclWithType * visit( const ast::ObjectDecl * node ) override final {
[546e712]	150	auto&& bfwd = get<Expression>().accept1( node->bitfieldWidth );
	151	auto&& type = get<Type>().accept1( node->type );
	152	auto&& init = get<Initializer>().accept1( node->init );
	153	auto&& attr = get<Attribute>().acceptL( node->attributes );
	154	if ( inCache( node ) ) {
	155	if(node->name == "tmp") {
	156	std::cerr << (void)node << "(new) in cache " << (void)this->node << "(old)" << std::endl;
	157	}
	158	return nullptr;
	159	}
[112fe04]	160	auto decl = new ObjectDecl(
	161	node->name,
	162	Type::StorageClasses( node->storage.val ),
	163	LinkageSpec::Spec( node->linkage.val ),
[546e712]	164	bfwd,
	165	type,
	166	init,
	167	attr,
[112fe04]	168	Type::FuncSpecifiers( node->funcSpec.val )
	169	);
[546e712]	170	if(node->name == "tmp") {
	171	std::cerr << (void)node << "(new) created " << (void)decl << "(old)" << std::endl;
	172	}
[112fe04]	173	return declWithTypePostamble( decl, node );
	174	}
	175
[74dbbf6]	176	const ast::DeclWithType * visit( const ast::FunctionDecl * node ) override final {
[b869ec5]	177	if ( inCache( node ) ) return nullptr;
[112fe04]	178	auto decl = new FunctionDecl(
	179	node->name,
	180	Type::StorageClasses( node->storage.val ),
	181	LinkageSpec::Spec( node->linkage.val ),
	182	get<FunctionType>().accept1( node->type ),
[d88f8b3b]	183	{},
[112fe04]	184	get<Attribute>().acceptL( node->attributes ),
	185	Type::FuncSpecifiers( node->funcSpec.val )
	186	);
[d88f8b3b]	187	cache.emplace( node, decl );
	188	decl->statements = get<CompoundStmt>().accept1( node->stmts );
[112fe04]	189	decl->withExprs = get<Expression>().acceptL( node->withExprs );
[157a816]	190	if ( dereferenceOperator == node ) {
[0aedb01]	191	Validate::dereferenceOperator = decl;
[157a816]	192	}
[043a5b6]	193	if ( dtorStructDestroy == node ) {
	194	Validate::dtorStructDestroy = decl;
	195	}
[112fe04]	196	return declWithTypePostamble( decl, node );
[74dbbf6]	197	}
	198
[112fe04]	199	const ast::Decl * namedTypePostamble( NamedTypeDecl * decl, const ast::NamedTypeDecl * node ) {
	200	// base comes from constructor
	201	decl->parameters = get<TypeDecl>().acceptL( node->params );
	202	decl->assertions = get<DeclarationWithType>().acceptL( node->assertions );
[f685679]	203	declPostamble( decl, node );
[74dbbf6]	204	return nullptr;
	205	}
	206
[112fe04]	207	const ast::Decl * visit( const ast::TypeDecl * node ) override final {
[b869ec5]	208	if ( inCache( node ) ) return nullptr;
[112fe04]	209	auto decl = new TypeDecl(
	210	node->name,
	211	Type::StorageClasses( node->storage.val ),
	212	get<Type>().accept1( node->base ),
[b869ec5]	213	(TypeDecl::Kind)(unsigned)node->kind,
[112fe04]	214	node->sized,
	215	get<Type>().accept1( node->init )
	216	);
[b869ec5]	217	cache.emplace( node, decl );
[112fe04]	218	return namedTypePostamble( decl, node );
[74dbbf6]	219	}
	220
[112fe04]	221	const ast::Decl * visit( const ast::TypedefDecl * node ) override final {
	222	auto decl = new TypedefDecl(
	223	node->name,
	224	node->location,
	225	Type::StorageClasses( node->storage.val ),
	226	get<Type>().accept1( node->base ),
	227	LinkageSpec::Spec( node->linkage.val )
	228	);
	229	return namedTypePostamble( decl, node );
[74dbbf6]	230	}
	231
[112fe04]	232	const ast::Decl * aggregatePostamble( AggregateDecl * decl, const ast::AggregateDecl * node ) {
[f685679]	233	cache.emplace( node, decl );
[112fe04]	234	decl->members = get<Declaration>().acceptL( node->members );
	235	decl->parameters = get<TypeDecl>().acceptL( node->params );
	236	decl->body = node->body;
	237	// attributes come from constructor
[b869ec5]	238	decl->parent = get<AggregateDecl>().accept1( node->parent );
[f685679]	239	declPostamble( decl, node );
[74dbbf6]	240	return nullptr;
	241	}
	242
[112fe04]	243	const ast::Decl * visit( const ast::StructDecl * node ) override final {
[b869ec5]	244	if ( inCache( node ) ) return nullptr;
[112fe04]	245	auto decl = new StructDecl(
	246	node->name,
	247	node->kind,
	248	get<Attribute>().acceptL( node->attributes ),
	249	LinkageSpec::Spec( node->linkage.val )
	250	);
[043a5b6]	251
	252	if ( dtorStruct == node ) {
	253	Validate::dtorStruct = decl;
	254	}
	255
[112fe04]	256	return aggregatePostamble( decl, node );
[74dbbf6]	257	}
	258
[112fe04]	259	const ast::Decl * visit( const ast::UnionDecl * node ) override final {
[b869ec5]	260	if ( inCache( node ) ) return nullptr;
[112fe04]	261	auto decl = new UnionDecl(
	262	node->name,
	263	get<Attribute>().acceptL( node->attributes ),
	264	LinkageSpec::Spec( node->linkage.val )
	265	);
	266	return aggregatePostamble( decl, node );
	267	}
	268
	269	const ast::Decl * visit( const ast::EnumDecl * node ) override final {
[b869ec5]	270	if ( inCache( node ) ) return nullptr;
[112fe04]	271	auto decl = new EnumDecl(
	272	node->name,
	273	get<Attribute>().acceptL( node->attributes ),
	274	LinkageSpec::Spec( node->linkage.val )
	275	);
	276	return aggregatePostamble( decl, node );
	277	}
	278
	279	const ast::Decl * visit( const ast::TraitDecl * node ) override final {
[b869ec5]	280	if ( inCache( node ) ) return nullptr;
[112fe04]	281	auto decl = new TraitDecl(
	282	node->name,
	283	{},
	284	LinkageSpec::Spec( node->linkage.val )
	285	);
	286	return aggregatePostamble( decl, node );
[74dbbf6]	287	}
	288
	289	const ast::AsmDecl * visit( const ast::AsmDecl * node ) override final {
[112fe04]	290	auto decl = new AsmDecl( get<AsmStmt>().accept1( node->stmt ) );
	291	declPostamble( decl, node );
[74dbbf6]	292	return nullptr;
	293	}
	294
	295	const ast::StaticAssertDecl * visit( const ast::StaticAssertDecl * node ) override final {
[112fe04]	296	auto decl = new StaticAssertDecl(
	297	get<Expression>().accept1( node->cond ),
	298	get<ConstantExpr>().accept1( node->msg )
	299	);
	300	declPostamble( decl, node );
[74dbbf6]	301	return nullptr;
	302	}
	303
[112fe04]	304	const ast::Stmt * stmtPostamble( Statement * stmt, const ast::Stmt * node ) {
[f685679]	305	cache.emplace( node, stmt );
[675d816]	306	stmt->location = node->location;
	307	stmt->labels = makeLabelL( stmt, node->labels );
	308	this->node = stmt;
[74dbbf6]	309	return nullptr;
	310	}
	311
[112fe04]	312	const ast::CompoundStmt * visit( const ast::CompoundStmt * node ) override final {
[4073b16]	313	if ( inCache( node ) ) return nullptr;
[112fe04]	314	auto stmt = new CompoundStmt( get<Statement>().acceptL( node->kids ) );
	315	stmtPostamble( stmt, node );
	316	return nullptr;
	317	}
	318
[74dbbf6]	319	const ast::Stmt * visit( const ast::ExprStmt * node ) override final {
[4073b16]	320	if ( inCache( node ) ) return nullptr;
[f685679]	321	auto stmt = new ExprStmt( nullptr );
	322	cache.emplace( node, stmt );
	323	stmt->expr = get<Expression>().accept1( node->expr );
[112fe04]	324	return stmtPostamble( stmt, node );
[74dbbf6]	325	}
	326
	327	const ast::Stmt * visit( const ast::AsmStmt * node ) override final {
[4073b16]	328	if ( inCache( node ) ) return nullptr;
[675d816]	329	auto stmt = new AsmStmt(
	330	node->isVolatile,
	331	get<Expression>().accept1( node->instruction ),
	332	get<Expression>().acceptL( node->output ),
	333	get<Expression>().acceptL( node->input ),
	334	get<ConstantExpr>().acceptL( node->clobber ),
	335	makeLabelL( nullptr, node->gotoLabels ) // What are these labelling?
	336	);
[112fe04]	337	return stmtPostamble( stmt, node );
[74dbbf6]	338	}
	339
	340	const ast::Stmt * visit( const ast::DirectiveStmt * node ) override final {
[4073b16]	341	if ( inCache( node ) ) return nullptr;
[675d816]	342	auto stmt = new DirectiveStmt( node->directive );
[112fe04]	343	return stmtPostamble( stmt, node );
[74dbbf6]	344	}
	345
	346	const ast::Stmt * visit( const ast::IfStmt * node ) override final {
[4073b16]	347	if ( inCache( node ) ) return nullptr;
[675d816]	348	auto stmt = new IfStmt(
	349	get<Expression>().accept1( node->cond ),
	350	get<Statement>().accept1( node->thenPart ),
	351	get<Statement>().accept1( node->elsePart ),
	352	get<Statement>().acceptL( node->inits )
	353	);
[112fe04]	354	return stmtPostamble( stmt, node );
[74dbbf6]	355	}
	356
[675d816]	357	const ast::Stmt * visit( const ast::SwitchStmt * node ) override final {
[4073b16]	358	if ( inCache( node ) ) return nullptr;
[675d816]	359	auto stmt = new SwitchStmt(
	360	get<Expression>().accept1( node->cond ),
	361	get<Statement>().acceptL( node->stmts )
	362	);
[112fe04]	363	return stmtPostamble( stmt, node );
[74dbbf6]	364	}
	365
[675d816]	366	const ast::Stmt * visit( const ast::CaseStmt * node ) override final {
[4073b16]	367	if ( inCache( node ) ) return nullptr;
[675d816]	368	auto stmt = new CaseStmt(
	369	get<Expression>().accept1( node->cond ),
	370	get<Statement>().acceptL( node->stmts ),
	371	node->isDefault()
	372	);
[112fe04]	373	return stmtPostamble( stmt, node );
[74dbbf6]	374	}
	375
[675d816]	376	const ast::Stmt * visit( const ast::WhileStmt * node ) override final {
[4073b16]	377	if ( inCache( node ) ) return nullptr;
[675d816]	378	auto inits = get<Statement>().acceptL( node->inits );
	379	auto stmt = new WhileStmt(
	380	get<Expression>().accept1( node->cond ),
	381	get<Statement>().accept1( node->body ),
	382	inits,
	383	node->isDoWhile
	384	);
[112fe04]	385	return stmtPostamble( stmt, node );
[74dbbf6]	386	}
	387
[675d816]	388	const ast::Stmt * visit( const ast::ForStmt * node ) override final {
[4073b16]	389	if ( inCache( node ) ) return nullptr;
[675d816]	390	auto stmt = new ForStmt(
	391	get<Statement>().acceptL( node->inits ),
	392	get<Expression>().accept1( node->cond ),
	393	get<Expression>().accept1( node->inc ),
	394	get<Statement>().accept1( node->body )
	395	);
[112fe04]	396	return stmtPostamble( stmt, node );
[74dbbf6]	397	}
	398
	399	const ast::Stmt * visit( const ast::BranchStmt * node ) override final {
[4073b16]	400	if ( inCache( node ) ) return nullptr;
[675d816]	401	BranchStmt * stmt;
	402	if (node->computedTarget) {
	403	stmt = new BranchStmt( get<Expression>().accept1( node->computedTarget ),
	404	BranchStmt::Goto );
	405	} else {
	406	BranchStmt::Type type;
	407	switch (node->kind) {
	408	#define CASE(n) \
	409	case ast::BranchStmt::n: \
	410	type = BranchStmt::n; \
	411	break
	412	CASE(Goto);
	413	CASE(Break);
	414	CASE(Continue);
	415	CASE(FallThrough);
	416	CASE(FallThroughDefault);
	417	#undef CASE
	418	default:
	419	assertf(false, "Invalid ast::BranchStmt::Kind: %d\n", node->kind);
	420	}
	421
	422	// The labels here are also weird.
	423	stmt = new BranchStmt( makeLabel( nullptr, node->originalTarget ), type );
	424	stmt->target = makeLabel( stmt, node->target );
	425	}
[112fe04]	426	return stmtPostamble( stmt, node );
[74dbbf6]	427	}
	428
	429	const ast::Stmt * visit( const ast::ReturnStmt * node ) override final {
[4073b16]	430	if ( inCache( node ) ) return nullptr;
[675d816]	431	auto stmt = new ReturnStmt( get<Expression>().accept1( node->expr ) );
[112fe04]	432	return stmtPostamble( stmt, node );
[74dbbf6]	433	}
	434
	435	const ast::Stmt * visit( const ast::ThrowStmt * node ) override final {
[4073b16]	436	if ( inCache( node ) ) return nullptr;
[675d816]	437	ThrowStmt::Kind kind;
	438	switch (node->kind) {
[6f4b7f2]	439	case ast::ExceptionKind::Terminate:
[675d816]	440	kind = ThrowStmt::Terminate;
	441	break;
[6f4b7f2]	442	case ast::ExceptionKind::Resume:
[675d816]	443	kind = ThrowStmt::Resume;
	444	break;
	445	default:
	446	assertf(false, "Invalid ast::ThrowStmt::Kind: %d\n", node->kind);
	447	}
	448	auto stmt = new ThrowStmt(
	449	kind,
	450	get<Expression>().accept1( node->expr ),
	451	get<Expression>().accept1( node->target )
	452	);
[112fe04]	453	return stmtPostamble( stmt, node );
[74dbbf6]	454	}
	455
	456	const ast::Stmt * visit( const ast::TryStmt * node ) override final {
[4073b16]	457	if ( inCache( node ) ) return nullptr;
[675d816]	458	auto handlers = get<CatchStmt>().acceptL( node->handlers );
	459	auto stmt = new TryStmt(
	460	get<CompoundStmt>().accept1( node->body ),
	461	handlers,
	462	get<FinallyStmt>().accept1( node->finally )
	463	);
[112fe04]	464	return stmtPostamble( stmt, node );
[74dbbf6]	465	}
	466
	467	const ast::Stmt * visit( const ast::CatchStmt * node ) override final {
[4073b16]	468	if ( inCache( node ) ) return nullptr;
[675d816]	469	CatchStmt::Kind kind;
	470	switch (node->kind) {
[6f4b7f2]	471	case ast::ExceptionKind::Terminate:
[675d816]	472	kind = CatchStmt::Terminate;
	473	break;
[6f4b7f2]	474	case ast::ExceptionKind::Resume:
[675d816]	475	kind = CatchStmt::Resume;
	476	break;
	477	default:
	478	assertf(false, "Invalid ast::CatchStmt::Kind: %d\n", node->kind);
	479	}
	480	auto stmt = new CatchStmt(
	481	kind,
	482	get<Declaration>().accept1( node->decl ),
	483	get<Expression>().accept1( node->cond ),
	484	get<Statement>().accept1( node->body )
	485	);
[112fe04]	486	return stmtPostamble( stmt, node );
[74dbbf6]	487	}
	488
	489	const ast::Stmt * visit( const ast::FinallyStmt * node ) override final {
[4073b16]	490	if ( inCache( node ) ) return nullptr;
[675d816]	491	auto stmt = new FinallyStmt( get<CompoundStmt>().accept1( node->body ) );
[112fe04]	492	return stmtPostamble( stmt, node );
[74dbbf6]	493	}
	494
	495	const ast::Stmt * visit( const ast::WaitForStmt * node ) override final {
[4073b16]	496	if ( inCache( node ) ) return nullptr;
[675d816]	497	auto stmt = new WaitForStmt;
	498	stmt->clauses.reserve( node->clauses.size() );
	499	for ( auto clause : node->clauses ) {
	500	stmt->clauses.push_back({{
[e0016a5]	501	get<Expression>().accept1( clause.target.func ),
	502	get<Expression>().acceptL( clause.target.args ),
[675d816]	503	},
	504	get<Statement>().accept1( clause.stmt ),
	505	get<Expression>().accept1( clause.cond ),
	506	});
	507	}
	508	stmt->timeout = {
	509	get<Expression>().accept1( node->timeout.time ),
	510	get<Statement>().accept1( node->timeout.stmt ),
	511	get<Expression>().accept1( node->timeout.cond ),
	512	};
	513	stmt->orelse = {
	514	get<Statement>().accept1( node->orElse.stmt ),
	515	get<Expression>().accept1( node->orElse.cond ),
	516	};
[112fe04]	517	return stmtPostamble( stmt, node );
[74dbbf6]	518	}
	519
	520	const ast::Stmt * visit( const ast::WithStmt * node ) override final {
[4073b16]	521	if ( inCache( node ) ) return nullptr;
[675d816]	522	auto stmt = new WithStmt(
	523	get<Expression>().acceptL( node->exprs ),
	524	get<Statement>().accept1( node->stmt )
	525	);
[112fe04]	526	return stmtPostamble( stmt, node );
[74dbbf6]	527	}
	528
	529	const ast::NullStmt * visit( const ast::NullStmt * node ) override final {
[4073b16]	530	if ( inCache( node ) ) return nullptr;
[675d816]	531	auto stmt = new NullStmt();
[112fe04]	532	stmtPostamble( stmt, node );
[74dbbf6]	533	return nullptr;
	534	}
	535
	536	const ast::Stmt * visit( const ast::DeclStmt * node ) override final {
[4073b16]	537	if ( inCache( node ) ) return nullptr;
[675d816]	538	auto stmt = new DeclStmt( get<Declaration>().accept1( node->decl ) );
[112fe04]	539	return stmtPostamble( stmt, node );
[74dbbf6]	540	}
	541
	542	const ast::Stmt * visit( const ast::ImplicitCtorDtorStmt * node ) override final {
[4073b16]	543	if ( inCache( node ) ) return nullptr;
	544	auto stmt = new ImplicitCtorDtorStmt{
	545	get<Statement>().accept1( node->callStmt )
	546	};
	547	return stmtPostamble( stmt, node );
[74dbbf6]	548	}
	549
[19e567dd]	550	TypeSubstitution * convertTypeSubstitution(const ast::TypeSubstitution * src) {
	551
[f685679]	552	if (!src) return nullptr;
	553
[19e567dd]	554	TypeSubstitution *rslt = new TypeSubstitution();
	555
	556	for (decltype(src->begin()) src_i = src->begin(); src_i != src->end(); src_i++) {
	557	rslt->add( src_i->first,
	558	get<Type>().accept1(src_i->second) );
	559	}
	560
	561	for (decltype(src->beginVar()) src_i = src->beginVar(); src_i != src->endVar(); src_i++) {
	562	rslt->addVar( src_i->first,
	563	get<Expression>().accept1(src_i->second) );
	564	}
	565
	566	return rslt;
	567	}
	568
	569	void convertInferUnion(std::map<UniqueId,ParamEntry> &tgtInferParams,
	570	std::vector<UniqueId> &tgtResnSlots,
	571	const ast::Expr::InferUnion &srcInferred ) {
	572
	573	assert( tgtInferParams.empty() );
	574	assert( tgtResnSlots.empty() );
	575
	576	if ( srcInferred.mode == ast::Expr::InferUnion::Params ) {
	577	const ast::InferredParams &srcParams = srcInferred.inferParamsConst();
	578	for (auto srcParam : srcParams) {
	579	tgtInferParams[srcParam.first] = ParamEntry(
	580	srcParam.second.decl,
	581	get<Type>().accept1(srcParam.second.actualType),
	582	get<Type>().accept1(srcParam.second.formalType),
	583	get<Expression>().accept1(srcParam.second.expr)
	584	);
	585	}
	586	} else if ( srcInferred.mode == ast::Expr::InferUnion::Slots ) {
	587	const ast::ResnSlots &srcSlots = srcInferred.resnSlotsConst();
	588	for (auto srcSlot : srcSlots) {
	589	tgtResnSlots.push_back(srcSlot);
	590	}
	591	}
	592	}
	593
[20de6fb]	594	Expression * visitBaseExpr_skipResultType(const ast::Expr * src, Expression * tgt) {
[19e567dd]	595
[20de6fb]	596	tgt->location = src->location;
	597	tgt->env = convertTypeSubstitution(src->env);
[19e567dd]	598	tgt->extension = src->extension;
	599
[20de6fb]	600	convertInferUnion(tgt->inferParams, tgt->resnSlots, src->inferred);
[19e567dd]	601	return tgt;
	602	}
	603
[20de6fb]	604	Expression * visitBaseExpr(const ast::Expr * src, Expression * tgt) {
	605
	606	tgt->result = get<Type>().accept1(src->result);
	607	return visitBaseExpr_skipResultType(src, tgt);
	608	}
	609
[74dbbf6]	610	const ast::Expr * visit( const ast::ApplicationExpr * node ) override final {
[19e567dd]	611	auto expr = visitBaseExpr( node,
	612	new ApplicationExpr(
	613	get<Expression>().accept1(node->func),
	614	get<Expression>().acceptL(node->args)
	615	)
	616	);
	617	this->node = expr;
[74dbbf6]	618	return nullptr;
	619	}
	620
	621	const ast::Expr * visit( const ast::UntypedExpr * node ) override final {
[19e567dd]	622	auto expr = visitBaseExpr( node,
	623	new UntypedExpr(
	624	get<Expression>().accept1(node->func),
	625	get<Expression>().acceptL(node->args)
	626	)
	627	);
	628	this->node = expr;
[74dbbf6]	629	return nullptr;
	630	}
	631
	632	const ast::Expr * visit( const ast::NameExpr * node ) override final {
[19e567dd]	633	auto expr = visitBaseExpr( node,
	634	new NameExpr(
	635	node->name
	636	)
	637	);
	638	this->node = expr;
[74dbbf6]	639	return nullptr;
	640	}
	641
	642	const ast::Expr * visit( const ast::AddressExpr * node ) override final {
[28c89f4]	643	auto expr = visitBaseExpr( node,
	644	new AddressExpr(
	645	get<Expression>().accept1(node->arg)
	646	)
	647	);
	648	this->node = expr;
[74dbbf6]	649	return nullptr;
	650	}
	651
	652	const ast::Expr * visit( const ast::LabelAddressExpr * node ) override final {
[28c89f4]	653	auto expr = visitBaseExpr( node,
	654	new LabelAddressExpr(
	655	makeLabel(nullptr, node->arg)
	656	)
	657	);
	658	this->node = expr;
[74dbbf6]	659	return nullptr;
	660	}
	661
	662	const ast::Expr * visit( const ast::CastExpr * node ) override final {
[28c89f4]	663	auto expr = visitBaseExpr( node,
	664	new CastExpr(
	665	get<Expression>().accept1(node->arg),
	666	(node->isGenerated == ast::GeneratedCast)
	667	)
	668	);
	669	this->node = expr;
[74dbbf6]	670	return nullptr;
	671	}
	672
	673	const ast::Expr * visit( const ast::KeywordCastExpr * node ) override final {
[28c89f4]	674	KeywordCastExpr::Target castTarget = KeywordCastExpr::NUMBER_OF_TARGETS;
	675	switch (node->target) {
	676	case ast::KeywordCastExpr::Coroutine:
	677	castTarget = KeywordCastExpr::Coroutine;
	678	break;
	679	case ast::KeywordCastExpr::Thread:
	680	castTarget = KeywordCastExpr::Thread;
	681	break;
	682	case ast::KeywordCastExpr::Monitor:
	683	castTarget = KeywordCastExpr::Monitor;
	684	break;
	685	default:
	686	break;
	687	}
	688	assert ( castTarget < KeywordCastExpr::NUMBER_OF_TARGETS );
	689	auto expr = visitBaseExpr( node,
	690	new KeywordCastExpr(
	691	get<Expression>().accept1(node->arg),
	692	castTarget
	693	)
	694	);
	695	this->node = expr;
[74dbbf6]	696	return nullptr;
	697	}
	698
	699	const ast::Expr * visit( const ast::VirtualCastExpr * node ) override final {
[20de6fb]	700	auto expr = visitBaseExpr_skipResultType( node,
[28c89f4]	701	new VirtualCastExpr(
	702	get<Expression>().accept1(node->arg),
[20de6fb]	703	get<Type>().accept1(node->result)
[28c89f4]	704	)
	705	);
	706	this->node = expr;
[74dbbf6]	707	return nullptr;
	708	}
	709
	710	const ast::Expr * visit( const ast::UntypedMemberExpr * node ) override final {
[28c89f4]	711	auto expr = visitBaseExpr( node,
	712	new UntypedMemberExpr(
	713	get<Expression>().accept1(node->member),
	714	get<Expression>().accept1(node->aggregate)
	715	)
	716	);
	717	this->node = expr;
[74dbbf6]	718	return nullptr;
	719	}
	720
	721	const ast::Expr * visit( const ast::MemberExpr * node ) override final {
[28c89f4]	722	auto expr = visitBaseExpr( node,
	723	new MemberExpr(
[2a54479]	724	get<DeclarationWithType>().accept1(node->member),
[28c89f4]	725	get<Expression>().accept1(node->aggregate)
	726	)
	727	);
	728	this->node = expr;
[74dbbf6]	729	return nullptr;
	730	}
	731
	732	const ast::Expr * visit( const ast::VariableExpr * node ) override final {
[546e712]	733	auto expr = new VariableExpr();
	734	visitBaseExpr( node, expr );
	735	expr->var = get<DeclarationWithType>().accept1(node->var);
	736	Type * type = expr->var->get_type()->clone();
	737	type->set_lvalue( true );
	738	expr->set_result( type );
[28c89f4]	739	this->node = expr;
[74dbbf6]	740	return nullptr;
	741	}
	742
	743	const ast::Expr * visit( const ast::ConstantExpr * node ) override final {
[28c89f4]	744	ConstantExpr *rslt = nullptr;
[20a5977]	745	switch ( node->kind ) {
	746	case ast::ConstantExpr::Integer:
	747	rslt = new ConstantExpr{Constant{
	748	get<Type>().accept1( node->result ),
[28c89f4]	749	node->rep,
	750	(unsigned long long) node->intValue()
[20a5977]	751	}};
	752	break;
	753	case ast::ConstantExpr::FloatingPoint:
	754	rslt = new ConstantExpr{Constant{
[28c89f4]	755	get<Type>().accept1(node->result),
	756	node->rep,
	757	(double) node->floatValue()
[20a5977]	758	}};
	759	break;
	760	case ast::ConstantExpr::String:
[8568319]	761	rslt = new ConstantExpr{Constant{
	762	get<Type>().accept1( node->result ),
	763	node->rep,
	764	(long long unsigned int)0
	765	}};
[20a5977]	766	break;
[28c89f4]	767	}
	768	assert(rslt);
	769	auto expr = visitBaseExpr( node, rslt );
	770	this->node = expr;
[74dbbf6]	771	return nullptr;
	772	}
	773
	774	const ast::Expr * visit( const ast::SizeofExpr * node ) override final {
[28c89f4]	775	assert (node->expr \|\| node->type);
	776	assert (! (node->expr && node->type));
	777	SizeofExpr *rslt;
	778	if (node->expr) {
	779	rslt = new SizeofExpr(
	780	get<Expression>().accept1(node->expr)
	781	);
	782	assert (!rslt->isType);
	783	}
	784	if (node->type) {
	785	rslt = new SizeofExpr(
	786	get<Type>().accept1(node->type)
	787	);
	788	assert (rslt->isType);
	789	}
	790	auto expr = visitBaseExpr( node, rslt );
	791	this->node = expr;
[74dbbf6]	792	return nullptr;
	793	}
	794
	795	const ast::Expr * visit( const ast::AlignofExpr * node ) override final {
[28c89f4]	796	assert (node->expr \|\| node->type);
	797	assert (! (node->expr && node->type));
	798	AlignofExpr *rslt;
	799	if (node->expr) {
	800	rslt = new AlignofExpr(
	801	get<Expression>().accept1(node->expr)
	802	);
	803	assert (!rslt->isType);
	804	}
	805	if (node->type) {
	806	rslt = new AlignofExpr(
	807	get<Type>().accept1(node->type)
	808	);
	809	assert (rslt->isType);
	810	}
	811	auto expr = visitBaseExpr( node, rslt );
	812	this->node = expr;
[74dbbf6]	813	return nullptr;
	814	}
	815
	816	const ast::Expr * visit( const ast::UntypedOffsetofExpr * node ) override final {
[28c89f4]	817	auto expr = visitBaseExpr( node,
	818	new UntypedOffsetofExpr(
	819	get<Type>().accept1(node->type),
	820	node->member
	821	)
	822	);
	823	this->node = expr;
[74dbbf6]	824	return nullptr;
	825	}
	826
	827	const ast::Expr * visit( const ast::OffsetofExpr * node ) override final {
[28c89f4]	828	auto expr = visitBaseExpr( node,
	829	new OffsetofExpr(
	830	get<Type>().accept1(node->type),
[2a54479]	831	get<DeclarationWithType>().accept1(node->member)
[28c89f4]	832	)
	833	);
	834	this->node = expr;
[74dbbf6]	835	return nullptr;
	836	}
	837
	838	const ast::Expr * visit( const ast::OffsetPackExpr * node ) override final {
[28c89f4]	839	auto expr = visitBaseExpr( node,
	840	new OffsetPackExpr(
	841	get<StructInstType>().accept1(node->type)
	842	)
	843	);
	844	this->node = expr;
[74dbbf6]	845	return nullptr;
	846	}
	847
	848	const ast::Expr * visit( const ast::LogicalExpr * node ) override final {
[28c89f4]	849	assert (node->isAnd == ast::LogicalFlag::AndExpr \|\|
	850	node->isAnd == ast::LogicalFlag::OrExpr );
	851	auto expr = visitBaseExpr( node,
	852	new LogicalExpr(
	853	get<Expression>().accept1(node->arg1),
	854	get<Expression>().accept1(node->arg2),
	855	(node->isAnd == ast::LogicalFlag::AndExpr)
	856	)
	857	);
	858	this->node = expr;
[74dbbf6]	859	return nullptr;
	860	}
	861
	862	const ast::Expr * visit( const ast::ConditionalExpr * node ) override final {
[28c89f4]	863	auto expr = visitBaseExpr( node,
	864	new ConditionalExpr(
	865	get<Expression>().accept1(node->arg1),
	866	get<Expression>().accept1(node->arg2),
	867	get<Expression>().accept1(node->arg3)
	868	)
	869	);
	870	this->node = expr;
[74dbbf6]	871	return nullptr;
	872	}
	873
	874	const ast::Expr * visit( const ast::CommaExpr * node ) override final {
[28c89f4]	875	auto expr = visitBaseExpr( node,
	876	new CommaExpr(
	877	get<Expression>().accept1(node->arg1),
	878	get<Expression>().accept1(node->arg2)
	879	)
	880	);
	881	this->node = expr;
[74dbbf6]	882	return nullptr;
	883	}
	884
	885	const ast::Expr * visit( const ast::TypeExpr * node ) override final {
[20de6fb]	886	auto expr = visitBaseExpr( node,
	887	new TypeExpr(
	888	get<Type>().accept1(node->type)
	889	)
	890	);
	891	this->node = expr;
[74dbbf6]	892	return nullptr;
	893	}
	894
	895	const ast::Expr * visit( const ast::AsmExpr * node ) override final {
[20de6fb]	896	auto expr = visitBaseExpr( node,
	897	new AsmExpr(
	898	get<Expression>().accept1(node->inout),
	899	get<Expression>().accept1(node->constraint),
	900	get<Expression>().accept1(node->operand)
	901	)
	902	);
	903	this->node = expr;
[74dbbf6]	904	return nullptr;
	905	}
	906
	907	const ast::Expr * visit( const ast::ImplicitCopyCtorExpr * node ) override final {
[20de6fb]	908	auto rslt = new ImplicitCopyCtorExpr(
	909	get<ApplicationExpr>().accept1(node->callExpr)
	910	);
	911
	912	auto expr = visitBaseExpr( node, rslt );
	913	this->node = expr;
[74dbbf6]	914	return nullptr;
	915	}
	916
	917	const ast::Expr * visit( const ast::ConstructorExpr * node ) override final {
[20de6fb]	918	auto expr = visitBaseExpr( node,
	919	new ConstructorExpr(
	920	get<Expression>().accept1(node->callExpr)
	921	)
	922	);
	923	this->node = expr;
[74dbbf6]	924	return nullptr;
	925	}
	926
	927	const ast::Expr * visit( const ast::CompoundLiteralExpr * node ) override final {
[20de6fb]	928	auto expr = visitBaseExpr_skipResultType( node,
	929	new CompoundLiteralExpr(
	930	get<Type>().accept1(node->result),
	931	get<Initializer>().accept1(node->init)
	932	)
	933	);
	934	this->node = expr;
[74dbbf6]	935	return nullptr;
	936	}
	937
	938	const ast::Expr * visit( const ast::RangeExpr * node ) override final {
[20de6fb]	939	auto expr = visitBaseExpr( node,
	940	new RangeExpr(
	941	get<Expression>().accept1(node->low),
	942	get<Expression>().accept1(node->high)
	943	)
	944	);
	945	this->node = expr;
[74dbbf6]	946	return nullptr;
	947	}
	948
	949	const ast::Expr * visit( const ast::UntypedTupleExpr * node ) override final {
[20de6fb]	950	auto expr = visitBaseExpr( node,
	951	new UntypedTupleExpr(
	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::TupleExpr * node ) override final {
[20de6fb]	960	auto expr = visitBaseExpr( node,
	961	new UntypedTupleExpr(
	962	get<Expression>().acceptL(node->exprs)
	963	)
	964	);
	965	this->node = expr;
[74dbbf6]	966	return nullptr;
	967	}
	968
	969	const ast::Expr * visit( const ast::TupleIndexExpr * node ) override final {
[20de6fb]	970	auto expr = visitBaseExpr( node,
	971	new TupleIndexExpr(
	972	get<Expression>().accept1(node->tuple),
	973	node->index
	974	)
	975	);
	976	this->node = expr;
[74dbbf6]	977	return nullptr;
	978	}
	979
	980	const ast::Expr * visit( const ast::TupleAssignExpr * node ) override final {
[20de6fb]	981	auto expr = visitBaseExpr( node,
	982	new TupleAssignExpr(
	983	get<StmtExpr>().accept1(node->stmtExpr)
	984	)
	985	);
	986	this->node = expr;
[74dbbf6]	987	return nullptr;
	988	}
	989
	990	const ast::Expr * visit( const ast::StmtExpr * node ) override final {
[20de6fb]	991	auto rslt = new StmtExpr(
	992	get<CompoundStmt>().accept1(node->stmts)
	993	);
	994
	995	rslt->returnDecls = get<ObjectDecl>().acceptL(node->returnDecls);
	996	rslt->dtors = get<Expression>().acceptL(node->dtors);
	997
	998	auto expr = visitBaseExpr( node, rslt );
	999	this->node = expr;
[74dbbf6]	1000	return nullptr;
	1001	}
	1002
	1003	const ast::Expr * visit( const ast::UniqueExpr * node ) override final {
[20de6fb]	1004	auto rslt = new UniqueExpr(
	1005	get<Expression>().accept1(node->expr)
	1006	);
	1007
	1008	rslt->object = get<ObjectDecl> ().accept1(node->object);
	1009	rslt->var = get<VariableExpr>().accept1(node->var);
	1010
	1011	auto expr = visitBaseExpr( node, rslt );
	1012	this->node = expr;
[74dbbf6]	1013	return nullptr;
	1014	}
	1015
	1016	const ast::Expr * visit( const ast::UntypedInitExpr * node ) override final {
[20de6fb]	1017	std::list<InitAlternative> initAlts;
	1018	for (auto ia : node->initAlts) {
	1019	initAlts.push_back(InitAlternative(
	1020	get<Type> ().accept1(ia.type),
	1021	get<Designation>().accept1(ia.designation)
	1022	));
	1023	}
	1024	auto expr = visitBaseExpr( node,
	1025	new UntypedInitExpr(
	1026	get<Expression>().accept1(node->expr),
	1027	initAlts
	1028	)
	1029	);
	1030	this->node = expr;
[74dbbf6]	1031	return nullptr;
	1032	}
	1033
	1034	const ast::Expr * visit( const ast::InitExpr * node ) override final {
[20de6fb]	1035	auto expr = visitBaseExpr( node,
	1036	new InitExpr(
	1037	get<Expression>().accept1(node->expr),
	1038	get<Designation>().accept1(node->designation)
	1039	)
	1040	);
	1041	this->node = expr;
[74dbbf6]	1042	return nullptr;
	1043	}
	1044
	1045	const ast::Expr * visit( const ast::DeletedExpr * node ) override final {
[20de6fb]	1046	auto expr = visitBaseExpr( node,
	1047	new DeletedExpr(
	1048	get<Expression>().accept1(node->expr),
	1049	inCache(node->deleteStmt) ?
	1050	this->node :
	1051	get<BaseSyntaxNode>().accept1(node->deleteStmt)
	1052	)
	1053	);
	1054	this->node = expr;
[74dbbf6]	1055	return nullptr;
	1056	}
	1057
	1058	const ast::Expr * visit( const ast::DefaultArgExpr * node ) override final {
[20de6fb]	1059	auto expr = visitBaseExpr( node,
	1060	new DefaultArgExpr(
	1061	get<Expression>().accept1(node->expr)
	1062	)
	1063	);
	1064	this->node = expr;
[74dbbf6]	1065	return nullptr;
	1066	}
	1067
	1068	const ast::Expr * visit( const ast::GenericExpr * node ) override final {
[20de6fb]	1069	std::list<GenericExpr::Association> associations;
	1070	for (auto association : node->associations) {
	1071	associations.push_back(GenericExpr::Association(
	1072	get<Type> ().accept1(association.type),
	1073	get<Expression>().accept1(association.expr)
	1074	));
	1075	}
	1076	auto expr = visitBaseExpr( node,
	1077	new GenericExpr(
	1078	get<Expression>().accept1(node->control),
	1079	associations
	1080	)
	1081	);
	1082	this->node = expr;
[74dbbf6]	1083	return nullptr;
	1084	}
	1085
	1086	const ast::Type * visit( const ast::VoidType * node ) override final {
[d148778]	1087	this->node = new VoidType{ cv( node ) };
[74dbbf6]	1088	return nullptr;
	1089	}
	1090
	1091	const ast::Type * visit( const ast::BasicType * node ) override final {
[2a54479]	1092	auto type = new BasicType{ cv( node ), (BasicType::Kind)(unsigned)node->kind };
	1093	// I believe this should always be a BasicType.
	1094	if ( sizeType == node ) {
	1095	Validate::SizeType = type;
	1096	}
	1097	this->node = type;
[74dbbf6]	1098	return nullptr;
	1099	}
	1100
	1101	const ast::Type * visit( const ast::PointerType * node ) override final {
[d148778]	1102	this->node = new PointerType{
	1103	cv( node ),
	1104	get<Type>().accept1( node->base ),
	1105	get<Expression>().accept1( node->dimension ),
[746ae82]	1106	(bool)node->isVarLen,
	1107	(bool)node->isStatic
[d148778]	1108	};
[74dbbf6]	1109	return nullptr;
	1110	}
	1111
	1112	const ast::Type * visit( const ast::ArrayType * node ) override final {
[d148778]	1113	this->node = new ArrayType{
	1114	cv( node ),
	1115	get<Type>().accept1( node->base ),
	1116	get<Expression>().accept1( node->dimension ),
[746ae82]	1117	(bool)node->isVarLen,
	1118	(bool)node->isStatic
[d148778]	1119	};
[74dbbf6]	1120	return nullptr;
	1121	}
	1122
	1123	const ast::Type * visit( const ast::ReferenceType * node ) override final {
[d148778]	1124	this->node = new ReferenceType{
	1125	cv( node ),
	1126	get<Type>().accept1( node->base )
	1127	};
[74dbbf6]	1128	return nullptr;
	1129	}
	1130
	1131	const ast::Type * visit( const ast::QualifiedType * node ) override final {
[d148778]	1132	this->node = new QualifiedType{
	1133	cv( node ),
	1134	get<Type>().accept1( node->parent ),
	1135	get<Type>().accept1( node->child )
	1136	};
[74dbbf6]	1137	return nullptr;
	1138	}
	1139
	1140	const ast::Type * visit( const ast::FunctionType * node ) override final {
[746ae82]	1141	auto ty = new FunctionType {
[0b57626]	1142	cv( node ),
[746ae82]	1143	(bool)node->isVarArgs
	1144	};
[d148778]	1145	ty->returnVals = get<DeclarationWithType>().acceptL( node->returns );
	1146	ty->parameters = get<DeclarationWithType>().acceptL( node->params );
	1147	ty->forall = get<TypeDecl>().acceptL( node->forall );
[514a791]	1148	this->node = ty;
[74dbbf6]	1149	return nullptr;
	1150	}
	1151
[b869ec5]	1152	void postvisit( const ast::ReferenceToType * old, ReferenceToType * ty ) {
	1153	ty->forall = get<TypeDecl>().acceptL( old->forall );
	1154	ty->parameters = get<Expression>().acceptL( old->params );
	1155	ty->hoistType = old->hoistType;
	1156	}
	1157
[74dbbf6]	1158	const ast::Type * visit( const ast::StructInstType * node ) override final {
[b869ec5]	1159	StructInstType * ty;
	1160	if ( node->base ) {
	1161	ty = new StructInstType{
	1162	cv( node ),
	1163	get<StructDecl>().accept1( node->base ),
	1164	get<Attribute>().acceptL( node->attributes )
	1165	};
	1166	} else {
	1167	ty = new StructInstType{
	1168	cv( node ),
	1169	node->name,
	1170	get<Attribute>().acceptL( node->attributes )
	1171	};
	1172	}
	1173	postvisit( node, ty );
	1174	this->node = ty;
[74dbbf6]	1175	return nullptr;
	1176	}
	1177
	1178	const ast::Type * visit( const ast::UnionInstType * node ) override final {
[b869ec5]	1179	UnionInstType * ty;
	1180	if ( node->base ) {
	1181	ty = new UnionInstType{
	1182	cv( node ),
	1183	get<UnionDecl>().accept1( node->base ),
	1184	get<Attribute>().acceptL( node->attributes )
	1185	};
	1186	} else {
	1187	ty = new UnionInstType{
	1188	cv( node ),
	1189	node->name,
	1190	get<Attribute>().acceptL( node->attributes )
	1191	};
	1192	}
	1193	postvisit( node, ty );
	1194	this->node = ty;
[74dbbf6]	1195	return nullptr;
	1196	}
	1197
	1198	const ast::Type * visit( const ast::EnumInstType * node ) override final {
[b869ec5]	1199	EnumInstType * ty;
	1200	if ( node->base ) {
	1201	ty = new EnumInstType{
	1202	cv( node ),
	1203	get<EnumDecl>().accept1( node->base ),
	1204	get<Attribute>().acceptL( node->attributes )
	1205	};
	1206	} else {
	1207	ty = new EnumInstType{
	1208	cv( node ),
	1209	node->name,
	1210	get<Attribute>().acceptL( node->attributes )
	1211	};
	1212	}
	1213	postvisit( node, ty );
	1214	this->node = ty;
[74dbbf6]	1215	return nullptr;
	1216	}
	1217
	1218	const ast::Type * visit( const ast::TraitInstType * node ) override final {
[b869ec5]	1219	TraitInstType * ty;
	1220	if ( node->base ) {
	1221	ty = new TraitInstType{
	1222	cv( node ),
	1223	get<TraitDecl>().accept1( node->base ),
	1224	get<Attribute>().acceptL( node->attributes )
	1225	};
	1226	} else {
	1227	ty = new TraitInstType{
	1228	cv( node ),
	1229	node->name,
	1230	get<Attribute>().acceptL( node->attributes )
	1231	};
	1232	}
	1233	postvisit( node, ty );
	1234	this->node = ty;
[74dbbf6]	1235	return nullptr;
	1236	}
	1237
	1238	const ast::Type * visit( const ast::TypeInstType * node ) override final {
[b869ec5]	1239	TypeInstType * ty;
	1240	if ( node->base ) {
	1241	ty = new TypeInstType{
	1242	cv( node ),
	1243	node->name,
	1244	get<TypeDecl>().accept1( node->base ),
	1245	get<Attribute>().acceptL( node->attributes )
	1246	};
	1247	} else {
	1248	ty = new TypeInstType{
	1249	cv( node ),
	1250	node->name,
	1251	node->kind == ast::TypeVar::Ftype,
	1252	get<Attribute>().acceptL( node->attributes )
	1253	};
	1254	}
	1255	postvisit( node, ty );
	1256	this->node = ty;
[74dbbf6]	1257	return nullptr;
	1258	}
	1259
	1260	const ast::Type * visit( const ast::TupleType * node ) override final {
[746ae82]	1261	this->node = new TupleType{
	1262	cv( node ),
	1263	get<Type>().acceptL( node->types )
	1264	// members generated by TupleType c'tor
	1265	};
[74dbbf6]	1266	return nullptr;
	1267	}
	1268
	1269	const ast::Type * visit( const ast::TypeofType * node ) override final {
[746ae82]	1270	this->node = new TypeofType{
	1271	cv( node ),
	1272	get<Expression>().accept1( node->expr ),
	1273	(bool)node->kind
	1274	};
[74dbbf6]	1275	return nullptr;
	1276	}
	1277
	1278	const ast::Type * visit( const ast::VarArgsType * node ) override final {
[746ae82]	1279	this->node = new VarArgsType{ cv( node ) };
[74dbbf6]	1280	return nullptr;
	1281	}
	1282
	1283	const ast::Type * visit( const ast::ZeroType * node ) override final {
[746ae82]	1284	this->node = new ZeroType{ cv( node ) };
[74dbbf6]	1285	return nullptr;
	1286	}
	1287
	1288	const ast::Type * visit( const ast::OneType * node ) override final {
[746ae82]	1289	this->node = new OneType{ cv( node ) };
[74dbbf6]	1290	return nullptr;
	1291	}
	1292
[746ae82]	1293	const ast::Type * visit( const ast::GlobalScopeType * ) override final {
	1294	this->node = new GlobalScopeType{};
[74dbbf6]	1295	return nullptr;
	1296	}
	1297
	1298	const ast::Designation * visit( const ast::Designation * node ) override final {
[74ad8c0]	1299	auto designation = new Designation( get<Expression>().acceptL( node->designators ) );
	1300	designation->location = node->location;
	1301	this->node = designation;
[74dbbf6]	1302	return nullptr;
	1303	}
	1304
	1305	const ast::Init * visit( const ast::SingleInit * node ) override final {
[74ad8c0]	1306	auto init = new SingleInit(
	1307	get<Expression>().accept1( node->value ),
	1308	ast::MaybeConstruct == node->maybeConstructed
	1309	);
	1310	init->location = node->location;
	1311	this->node = init;
[74dbbf6]	1312	return nullptr;
	1313	}
	1314
	1315	const ast::Init * visit( const ast::ListInit * node ) override final {
[74ad8c0]	1316	auto init = new ListInit(
	1317	get<Initializer>().acceptL( node->initializers ),
	1318	get<Designation>().acceptL( node->designations ),
	1319	ast::MaybeConstruct == node->maybeConstructed
	1320	);
	1321	init->location = node->location;
	1322	this->node = init;
[74dbbf6]	1323	return nullptr;
	1324	}
	1325
	1326	const ast::Init * visit( const ast::ConstructorInit * node ) override final {
[74ad8c0]	1327	auto init = new ConstructorInit(
	1328	get<Statement>().accept1( node->ctor ),
	1329	get<Statement>().accept1( node->dtor ),
	1330	get<Initializer>().accept1( node->init )
	1331	);
	1332	init->location = node->location;
	1333	this->node = init;
[74dbbf6]	1334	return nullptr;
	1335	}
	1336
	1337	const ast::Attribute * visit( const ast::Attribute * node ) override final {
[dd6d7c6]	1338	auto attr = new Attribute(
	1339	node->name,
[489bacf]	1340	get<Expression>().acceptL(node->params)
[dd6d7c6]	1341	);
	1342	this->node = attr;
[74dbbf6]	1343	return nullptr;
	1344	}
	1345
	1346	const ast::TypeSubstitution * visit( const ast::TypeSubstitution * node ) override final {
[dd6d7c6]	1347	// Handled by convertTypeSubstitution helper instead.
	1348	// TypeSubstitution is not a node in the old model, so the conversion result wouldn't fit in this->node.
	1349	assert( 0 );
[0b57626]	1350	(void)node;
[74dbbf6]	1351	return nullptr;
	1352	}
[6d51bd7]	1353	};
	1354
[8abee136]	1355	std::list< Declaration * > convert( const std::list< ast::ptr< ast::Decl > > && translationUnit ) {
[74dbbf6]	1356	ConverterNewToOld c;
	1357	std::list< Declaration * > decls;
	1358	for(auto d : translationUnit) {
[675d816]	1359	decls.emplace_back( c.decl( d ) );
[74dbbf6]	1360	}
	1361	return decls;
[6d51bd7]	1362	}
	1363
	1364	//================================================================================================
	1365
	1366	class ConverterOldToNew : public Visitor {
	1367	public:
	1368	ast::Decl * decl() {
	1369	return strict_dynamic_cast< ast::Decl * >( node );
	1370	}
[546e712]	1371
	1372	ConverterOldToNew() = default;
	1373	ConverterOldToNew(const ConverterOldToNew &) = delete;
	1374	ConverterOldToNew(ConverterOldToNew &&) = delete;
[6d51bd7]	1375	private:
[d148778]	1376	/// conversion output
[546e712]	1377	ast::Node * node = nullptr;
[d148778]	1378	/// cache of nodes that might be referenced by readonly<> for de-duplication
[546e712]	1379	std::unordered_map< BaseSyntaxNode , ast::Node > cache = {};
[6d51bd7]	1380
[6f8e87d]	1381	// Local Utilities:
	1382
[546e712]	1383	#define construct(T, key, ...) ({ \
	1384	void * data = ::operator new(sizeof(T)); \
	1385	cache.emplace( key, (T*)data ); \
	1386	new (data) T( __VA_ARGS__ ); \
	1387	})
	1388
[6f8e87d]	1389	template<typename NewT, typename OldT>
	1390	NewT * getAccept1( OldT old ) {
[d148778]	1391	if ( ! old ) return nullptr;
[6f8e87d]	1392	old->accept(*this);
[2c04369]	1393	ast::Node * ret = node;
	1394	node = nullptr;
	1395	return strict_dynamic_cast< NewT * >( ret );
[6f8e87d]	1396	}
	1397
	1398	# define GET_ACCEPT_1(child, type) \
	1399	getAccept1< ast::type, decltype( old->child ) >( old->child )
	1400
	1401	template<typename NewT, typename OldC>
	1402	std::vector< ast::ptr<NewT> > getAcceptV( OldC& old ) {
	1403	std::vector< ast::ptr<NewT> > ret;
	1404	ret.reserve( old.size() );
	1405	for ( auto a : old ) {
	1406	a->accept( *this );
	1407	ret.emplace_back( strict_dynamic_cast< NewT * >(node) );
[2c04369]	1408	node = nullptr;
[6f8e87d]	1409	}
	1410	return ret;
	1411	}
	1412
	1413	# define GET_ACCEPT_V(child, type) \
	1414	getAcceptV< ast::type, decltype( old->child ) >( old->child )
	1415
	1416	ast::Label make_label(Label* old) {
	1417	return ast::Label(
	1418	old->labelled->location,
	1419	old->name,
	1420	GET_ACCEPT_V(attributes, Attribute)
	1421	);
	1422	}
	1423
[6d51bd7]	1424	template<template <class...> class C>
	1425	C<ast::Label> make_labels(C<Label> olds) {
	1426	C<ast::Label> ret;
[6f8e87d]	1427	for (auto oldn : olds) {
	1428	ret.push_back( make_label( &oldn ) );
[6d51bd7]	1429	}
	1430	return ret;
	1431	}
	1432
[6f8e87d]	1433	# define GET_LABELS_V(labels) \
	1434	to<std::vector>::from( make_labels( std::move( labels ) ) )
[0b57626]	1435
[d148778]	1436	static ast::CV::Qualifiers cv( Type * ty ) { return { ty->get_qualifiers().val }; }
	1437
[b869ec5]	1438	/// returns true and sets `node` if in cache
	1439	bool inCache( BaseSyntaxNode * old ) {
[d148778]	1440	auto it = cache.find( old );
[b869ec5]	1441	if ( it == cache.end() ) return false;
	1442	node = it->second;
	1443	return true;
[d148778]	1444	}
[6f8e87d]	1445
	1446	// Now all the visit functions:
	1447
[6d51bd7]	1448	virtual void visit( ObjectDecl * old ) override final {
[546e712]	1449	if( old->name == "tmp" ) {
	1450	std::cerr << "building parameters for" << (void*)old << std::endl;
	1451	}
	1452	auto&& type = GET_ACCEPT_1(type, Type);
	1453	auto&& init = GET_ACCEPT_1(init, Init);
	1454	auto&& bfwd = GET_ACCEPT_1(bitfieldWidth, Expr);
	1455	auto&& attr = GET_ACCEPT_V(attributes, Attribute);
	1456	if( old->name == "tmp" ) {
	1457	std::cerr << "checking cache for " << (void*)old << std::endl;
	1458	}
	1459	if ( inCache( old ) ) {
	1460	if( old->name == "tmp" ) {
	1461	std::cerr << (void)old << "(old) in cache " << (void)this->node << "(new)" << std::endl;
	1462	}
	1463	return;
	1464	}
[6d51bd7]	1465	auto decl = new ast::ObjectDecl(
	1466	old->location,
	1467	old->name,
[546e712]	1468	type,
	1469	init,
[6d51bd7]	1470	{ old->get_storageClasses().val },
	1471	{ old->linkage.val },
[546e712]	1472	bfwd,
	1473	std::move(attr),
[6d51bd7]	1474	{ old->get_funcSpec().val }
	1475	);
[546e712]	1476	cache.emplace(old, decl);
	1477	if( old->name == "tmp" ) {
	1478	std::cerr << (void)old << "(old) added to cache with " << (void)decl << "(new)" << std::endl;
	1479	}
	1480	assert(cache.find( old ) != cache.end());
[6d51bd7]	1481	decl->scopeLevel = old->scopeLevel;
	1482	decl->mangleName = old->mangleName;
	1483	decl->isDeleted = old->isDeleted;
	1484	decl->uniqueId = old->uniqueId;
	1485	decl->extension = old->extension;
	1486
	1487	this->node = decl;
[546e712]	1488
	1489	if( old->name == "tmp" ) {
	1490	std::cerr << (void)old << "(old) created " << (void)this->node << "(new)" << std::endl;
	1491	}
[6d51bd7]	1492	}
	1493
[b869ec5]	1494	virtual void visit( FunctionDecl * old ) override final {
	1495	if ( inCache( old ) ) return;
[9a0cd9c]	1496	auto decl = new ast::FunctionDecl{
	1497	old->location,
	1498	old->name,
	1499	GET_ACCEPT_1(type, FunctionType),
[d88f8b3b]	1500	{},
[9a0cd9c]	1501	{ old->storageClasses.val },
	1502	{ old->linkage.val },
	1503	GET_ACCEPT_V(attributes, Attribute),
	1504	{ old->get_funcSpec().val }
	1505	};
[8abee136]	1506	cache.emplace( old, decl );
[d76c588]	1507	decl->withExprs = GET_ACCEPT_V(withExprs, Expr);
[d88f8b3b]	1508	decl->stmts = GET_ACCEPT_1(statements, CompoundStmt);
[9a0cd9c]	1509	decl->scopeLevel = old->scopeLevel;
	1510	decl->mangleName = old->mangleName;
	1511	decl->isDeleted = old->isDeleted;
	1512	decl->uniqueId = old->uniqueId;
	1513	decl->extension = old->extension;
	1514
	1515	this->node = decl;
[157a816]	1516
[0aedb01]	1517	if ( Validate::dereferenceOperator == old ) {
[157a816]	1518	dereferenceOperator = decl;
	1519	}
[043a5b6]	1520
	1521	if ( Validate::dtorStructDestroy == old ) {
	1522	dtorStructDestroy = decl;
	1523	}
[6d51bd7]	1524	}
	1525
	1526	virtual void visit( StructDecl * old ) override final {
[b869ec5]	1527	if ( inCache( old ) ) return;
[6d51bd7]	1528	auto decl = new ast::StructDecl(
	1529	old->location,
	1530	old->name,
	1531	old->kind,
[d66e7b7]	1532	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1533	{ old->linkage.val }
	1534	);
[8abee136]	1535	cache.emplace( old, decl );
[d66e7b7]	1536	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1537	decl->body = old->body;
[d66e7b7]	1538	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1539	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1540	decl->extension = old->extension;
	1541	decl->uniqueId = old->uniqueId;
	1542	decl->storage = { old->storageClasses.val };
	1543
	1544	this->node = decl;
[043a5b6]	1545
	1546	if ( Validate::dtorStruct == old ) {
	1547	dtorStruct = decl;
	1548	}
[6d51bd7]	1549	}
	1550
	1551	virtual void visit( UnionDecl * old ) override final {
[b869ec5]	1552	if ( inCache( old ) ) return;
[6d51bd7]	1553	auto decl = new ast::UnionDecl(
	1554	old->location,
	1555	old->name,
[d66e7b7]	1556	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1557	{ old->linkage.val }
	1558	);
[8abee136]	1559	cache.emplace( old, decl );
[d66e7b7]	1560	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1561	decl->body = old->body;
[d66e7b7]	1562	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1563	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1564	decl->extension = old->extension;
	1565	decl->uniqueId = old->uniqueId;
	1566	decl->storage = { old->storageClasses.val };
	1567
	1568	this->node = decl;
	1569	}
	1570
	1571	virtual void visit( EnumDecl * old ) override final {
[b869ec5]	1572	if ( inCache( old ) ) return;
[157a816]	1573	auto decl = new ast::EnumDecl(
[6d51bd7]	1574	old->location,
	1575	old->name,
[d66e7b7]	1576	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1577	{ old->linkage.val }
	1578	);
[8abee136]	1579	cache.emplace( old, decl );
[d66e7b7]	1580	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1581	decl->body = old->body;
[d66e7b7]	1582	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1583	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1584	decl->extension = old->extension;
	1585	decl->uniqueId = old->uniqueId;
	1586	decl->storage = { old->storageClasses.val };
	1587
	1588	this->node = decl;
	1589	}
	1590
	1591	virtual void visit( TraitDecl * old ) override final {
[b869ec5]	1592	if ( inCache( old ) ) return;
[157a816]	1593	auto decl = new ast::TraitDecl(
[6d51bd7]	1594	old->location,
	1595	old->name,
[d66e7b7]	1596	GET_ACCEPT_V(attributes, Attribute),
[6d51bd7]	1597	{ old->linkage.val }
	1598	);
[8abee136]	1599	cache.emplace( old, decl );
[d66e7b7]	1600	decl->parent = GET_ACCEPT_1(parent, AggregateDecl);
[6d51bd7]	1601	decl->body = old->body;
[d66e7b7]	1602	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1603	decl->members = GET_ACCEPT_V(members, Decl);
[6d51bd7]	1604	decl->extension = old->extension;
	1605	decl->uniqueId = old->uniqueId;
	1606	decl->storage = { old->storageClasses.val };
	1607
	1608	this->node = decl;
	1609	}
	1610
[b869ec5]	1611	virtual void visit( TypeDecl * old ) override final {
[0b57626]	1612	if ( inCache( old ) ) return;
[9a0cd9c]	1613	auto decl = new ast::TypeDecl{
	1614	old->location,
	1615	old->name,
	1616	{ old->storageClasses.val },
	1617	GET_ACCEPT_1(base, Type),
	1618	(ast::TypeVar::Kind)(unsigned)old->kind,
	1619	old->sized,
	1620	GET_ACCEPT_1(init, Type)
	1621	};
[8abee136]	1622	cache.emplace( old, decl );
[9a0cd9c]	1623	decl->assertions = GET_ACCEPT_V(assertions, DeclWithType);
	1624	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
	1625	decl->extension = old->extension;
	1626	decl->uniqueId = old->uniqueId;
	1627
	1628	this->node = decl;
[6d51bd7]	1629	}
	1630
	1631	virtual void visit( TypedefDecl * old ) override final {
	1632	auto decl = new ast::TypedefDecl(
	1633	old->location,
	1634	old->name,
	1635	{ old->storageClasses.val },
[d66e7b7]	1636	GET_ACCEPT_1(base, Type),
[6d51bd7]	1637	{ old->linkage.val }
	1638	);
[d66e7b7]	1639	decl->assertions = GET_ACCEPT_V(assertions, DeclWithType);
	1640	decl->params = GET_ACCEPT_V(parameters, TypeDecl);
[6d51bd7]	1641	decl->extension = old->extension;
	1642	decl->uniqueId = old->uniqueId;
	1643	decl->storage = { old->storageClasses.val };
	1644
	1645	this->node = decl;
	1646	}
	1647
[9a0cd9c]	1648	virtual void visit( AsmDecl * old ) override final {
	1649	auto decl = new ast::AsmDecl{
[0b57626]	1650	old->location,
[9a0cd9c]	1651	GET_ACCEPT_1(stmt, AsmStmt)
	1652	};
	1653	decl->extension = old->extension;
	1654	decl->uniqueId = old->uniqueId;
	1655	decl->storage = { old->storageClasses.val };
[6d51bd7]	1656
[9a0cd9c]	1657	this->node = decl;
[6d51bd7]	1658	}
	1659
[9a0cd9c]	1660	virtual void visit( StaticAssertDecl * old ) override final {
	1661	auto decl = new ast::StaticAssertDecl{
	1662	old->location,
	1663	GET_ACCEPT_1(condition, Expr),
	1664	GET_ACCEPT_1(message, ConstantExpr)
	1665	};
	1666	decl->extension = old->extension;
	1667	decl->uniqueId = old->uniqueId;
	1668	decl->storage = { old->storageClasses.val };
[6d51bd7]	1669
[9a0cd9c]	1670	this->node = decl;
[6d51bd7]	1671	}
	1672
	1673	virtual void visit( CompoundStmt * old ) override final {
[4073b16]	1674	if ( inCache( old ) ) return;
[6d51bd7]	1675	auto stmt = new ast::CompoundStmt(
	1676	old->location,
[d66e7b7]	1677	to<std::list>::from( GET_ACCEPT_V(kids, Stmt) ),
	1678	GET_LABELS_V(old->labels)
[6d51bd7]	1679	);
	1680
	1681	this->node = stmt;
[4073b16]	1682	cache.emplace( old, this->node );
[6d51bd7]	1683	}
	1684
	1685	virtual void visit( ExprStmt * old ) override final {
[4073b16]	1686	if ( inCache( old ) ) return;
[6f8e87d]	1687	this->node = new ast::ExprStmt(
[6d51bd7]	1688	old->location,
[6f8e87d]	1689	GET_ACCEPT_1(expr, Expr),
	1690	GET_LABELS_V(old->labels)
[6d51bd7]	1691	);
[4073b16]	1692	cache.emplace( old, this->node );
[6d51bd7]	1693	}
	1694
[6f8e87d]	1695	virtual void visit( AsmStmt * old ) override final {
[4073b16]	1696	if ( inCache( old ) ) return;
[6f8e87d]	1697	this->node = new ast::AsmStmt(
	1698	old->location,
	1699	old->voltile,
	1700	GET_ACCEPT_1(instruction, Expr),
	1701	GET_ACCEPT_V(output, Expr),
	1702	GET_ACCEPT_V(input, Expr),
	1703	GET_ACCEPT_V(clobber, ConstantExpr),
	1704	GET_LABELS_V(old->gotolabels),
	1705	GET_LABELS_V(old->labels)
	1706	);
[4073b16]	1707	cache.emplace( old, this->node );
[6d51bd7]	1708	}
	1709
[6f8e87d]	1710	virtual void visit( DirectiveStmt * old ) override final {
[4073b16]	1711	if ( inCache( old ) ) return;
[6f8e87d]	1712	this->node = new ast::DirectiveStmt(
	1713	old->location,
	1714	old->directive,
	1715	GET_LABELS_V(old->labels)
	1716	);
[4073b16]	1717	cache.emplace( old, this->node );
[6d51bd7]	1718	}
	1719
[6f8e87d]	1720	virtual void visit( IfStmt * old ) override final {
[4073b16]	1721	if ( inCache( old ) ) return;
[6f8e87d]	1722	this->node = new ast::IfStmt(
	1723	old->location,
	1724	GET_ACCEPT_1(condition, Expr),
	1725	GET_ACCEPT_1(thenPart, Stmt),
	1726	GET_ACCEPT_1(elsePart, Stmt),
	1727	GET_ACCEPT_V(initialization, Stmt),
	1728	GET_LABELS_V(old->labels)
	1729	);
[4073b16]	1730	cache.emplace( old, this->node );
[6d51bd7]	1731	}
	1732
[6f8e87d]	1733	virtual void visit( SwitchStmt * old ) override final {
[4073b16]	1734	if ( inCache( old ) ) return;
[6f8e87d]	1735	this->node = new ast::SwitchStmt(
	1736	old->location,
	1737	GET_ACCEPT_1(condition, Expr),
	1738	GET_ACCEPT_V(statements, Stmt),
	1739	GET_LABELS_V(old->labels)
	1740	);
[4073b16]	1741	cache.emplace( old, this->node );
[6d51bd7]	1742	}
	1743
[6f8e87d]	1744	virtual void visit( CaseStmt * old ) override final {
[4073b16]	1745	if ( inCache( old ) ) return;
[6f8e87d]	1746	this->node = new ast::CaseStmt(
	1747	old->location,
	1748	GET_ACCEPT_1(condition, Expr),
	1749	GET_ACCEPT_V(stmts, Stmt),
	1750	GET_LABELS_V(old->labels)
	1751	);
[4073b16]	1752	cache.emplace( old, this->node );
[6d51bd7]	1753	}
	1754
[6f8e87d]	1755	virtual void visit( WhileStmt * old ) override final {
[4073b16]	1756	if ( inCache( old ) ) return;
[6f8e87d]	1757	this->node = new ast::WhileStmt(
	1758	old->location,
	1759	GET_ACCEPT_1(condition, Expr),
	1760	GET_ACCEPT_1(body, Stmt),
	1761	GET_ACCEPT_V(initialization, Stmt),
	1762	old->isDoWhile,
	1763	GET_LABELS_V(old->labels)
	1764	);
[4073b16]	1765	cache.emplace( old, this->node );
[6d51bd7]	1766	}
	1767
[6f8e87d]	1768	virtual void visit( ForStmt * old ) override final {
[4073b16]	1769	if ( inCache( old ) ) return;
[6f8e87d]	1770	this->node = new ast::ForStmt(
	1771	old->location,
	1772	GET_ACCEPT_V(initialization, Stmt),
	1773	GET_ACCEPT_1(condition, Expr),
	1774	GET_ACCEPT_1(increment, Expr),
	1775	GET_ACCEPT_1(body, Stmt),
	1776	GET_LABELS_V(old->labels)
	1777	);
[4073b16]	1778	cache.emplace( old, this->node );
[6d51bd7]	1779	}
	1780
[6f8e87d]	1781	virtual void visit( BranchStmt * old ) override final {
[4073b16]	1782	if ( inCache( old ) ) return;
[6f8e87d]	1783	if (old->computedTarget) {
	1784	this->node = new ast::BranchStmt(
	1785	old->location,
	1786	GET_ACCEPT_1(computedTarget, Expr),
	1787	GET_LABELS_V(old->labels)
	1788	);
	1789	} else {
	1790	ast::BranchStmt::Kind kind;
	1791	switch (old->type) {
	1792	#define CASE(n) \
	1793	case BranchStmt::n: \
	1794	kind = ast::BranchStmt::n; \
	1795	break
	1796	CASE(Goto);
	1797	CASE(Break);
	1798	CASE(Continue);
	1799	CASE(FallThrough);
	1800	CASE(FallThroughDefault);
	1801	#undef CASE
[d66e7b7]	1802	default:
	1803	assertf(false, "Invalid BranchStmt::Type %d\n", old->type);
[6f8e87d]	1804	}
	1805
	1806	Label label = old->originalTarget;
	1807	auto stmt = new ast::BranchStmt(
	1808	old->location,
	1809	kind,
	1810	make_label(&label),
	1811	GET_LABELS_V(old->labels)
	1812	);
	1813	stmt->target = make_label(&old->target);
	1814	this->node = stmt;
	1815	}
[4073b16]	1816	cache.emplace( old, this->node );
[6d51bd7]	1817	}
	1818
[6f8e87d]	1819	virtual void visit( ReturnStmt * old ) override final {
[4073b16]	1820	if ( inCache( old ) ) return;
[6f8e87d]	1821	this->node = new ast::ReturnStmt(
	1822	old->location,
	1823	GET_ACCEPT_1(expr, Expr),
	1824	GET_LABELS_V(old->labels)
	1825	);
[4073b16]	1826	cache.emplace( old, this->node );
[6d51bd7]	1827	}
	1828
[6f8e87d]	1829	virtual void visit( ThrowStmt * old ) override final {
[4073b16]	1830	if ( inCache( old ) ) return;
[6f4b7f2]	1831	ast::ExceptionKind kind;
[6f8e87d]	1832	switch (old->kind) {
	1833	case ThrowStmt::Terminate:
[6f4b7f2]	1834	kind = ast::ExceptionKind::Terminate;
[6f8e87d]	1835	break;
	1836	case ThrowStmt::Resume:
[6f4b7f2]	1837	kind = ast::ExceptionKind::Resume;
[6f8e87d]	1838	break;
[d66e7b7]	1839	default:
	1840	assertf(false, "Invalid ThrowStmt::Kind %d\n", old->kind);
[6f8e87d]	1841	}
[6d51bd7]	1842
[6f8e87d]	1843	this->node = new ast::ThrowStmt(
	1844	old->location,
	1845	kind,
	1846	GET_ACCEPT_1(expr, Expr),
	1847	GET_ACCEPT_1(target, Expr),
	1848	GET_LABELS_V(old->labels)
	1849	);
[4073b16]	1850	cache.emplace( old, this->node );
[6d51bd7]	1851	}
	1852
[6f8e87d]	1853	virtual void visit( TryStmt * old ) override final {
[4073b16]	1854	if ( inCache( old ) ) return;
[6f8e87d]	1855	this->node = new ast::TryStmt(
	1856	old->location,
	1857	GET_ACCEPT_1(block, CompoundStmt),
	1858	GET_ACCEPT_V(handlers, CatchStmt),
	1859	GET_ACCEPT_1(finallyBlock, FinallyStmt),
	1860	GET_LABELS_V(old->labels)
	1861	);
[4073b16]	1862	cache.emplace( old, this->node );
[6d51bd7]	1863	}
	1864
[6f8e87d]	1865	virtual void visit( CatchStmt * old ) override final {
[4073b16]	1866	if ( inCache( old ) ) return;
[6f4b7f2]	1867	ast::ExceptionKind kind;
[6f8e87d]	1868	switch (old->kind) {
	1869	case CatchStmt::Terminate:
[6f4b7f2]	1870	kind = ast::ExceptionKind::Terminate;
[6f8e87d]	1871	break;
	1872	case CatchStmt::Resume:
[6f4b7f2]	1873	kind = ast::ExceptionKind::Resume;
[6f8e87d]	1874	break;
[d66e7b7]	1875	default:
	1876	assertf(false, "Invalid CatchStmt::Kind %d\n", old->kind);
[6f8e87d]	1877	}
[6d51bd7]	1878
[6f8e87d]	1879	this->node = new ast::CatchStmt(
	1880	old->location,
	1881	kind,
	1882	GET_ACCEPT_1(decl, Decl),
	1883	GET_ACCEPT_1(cond, Expr),
	1884	GET_ACCEPT_1(body, Stmt),
	1885	GET_LABELS_V(old->labels)
	1886	);
[4073b16]	1887	cache.emplace( old, this->node );
[6d51bd7]	1888	}
	1889
[6f8e87d]	1890	virtual void visit( FinallyStmt * old ) override final {
[4073b16]	1891	if ( inCache( old ) ) return;
[6f8e87d]	1892	this->node = new ast::FinallyStmt(
	1893	old->location,
	1894	GET_ACCEPT_1(block, CompoundStmt),
	1895	GET_LABELS_V(old->labels)
	1896	);
[4073b16]	1897	cache.emplace( old, this->node );
[6d51bd7]	1898	}
	1899
[6f8e87d]	1900	virtual void visit( WaitForStmt * old ) override final {
[4073b16]	1901	if ( inCache( old ) ) return;
[6f8e87d]	1902	ast::WaitForStmt * stmt = new ast::WaitForStmt(
	1903	old->location,
	1904	GET_LABELS_V(old->labels)
	1905	);
[6d51bd7]	1906
[6f8e87d]	1907	stmt->clauses.reserve( old->clauses.size() );
	1908	for (size_t i = 0 ; i < old->clauses.size() ; ++i) {
	1909	stmt->clauses.push_back({
	1910	ast::WaitForStmt::Target{
	1911	GET_ACCEPT_1(clauses[i].target.function, Expr),
	1912	GET_ACCEPT_V(clauses[i].target.arguments, Expr)
	1913	},
	1914	GET_ACCEPT_1(clauses[i].statement, Stmt),
	1915	GET_ACCEPT_1(clauses[i].condition, Expr)
	1916	});
	1917	}
	1918	stmt->timeout = {
	1919	GET_ACCEPT_1(timeout.time, Expr),
	1920	GET_ACCEPT_1(timeout.statement, Stmt),
	1921	GET_ACCEPT_1(timeout.condition, Expr),
	1922	};
	1923	stmt->orElse = {
	1924	GET_ACCEPT_1(timeout.statement, Stmt),
	1925	GET_ACCEPT_1(timeout.condition, Expr),
	1926	};
[6d51bd7]	1927
[6f8e87d]	1928	this->node = stmt;
[4073b16]	1929	cache.emplace( old, this->node );
[6f8e87d]	1930	}
[6d51bd7]	1931
[6f8e87d]	1932	virtual void visit( WithStmt * old ) override final {
[4073b16]	1933	if ( inCache( old ) ) return;
[6f8e87d]	1934	this->node = new ast::WithStmt(
	1935	old->location,
	1936	GET_ACCEPT_V(exprs, Expr),
	1937	GET_ACCEPT_1(stmt, Stmt),
	1938	GET_LABELS_V(old->labels)
	1939	);
[4073b16]	1940	cache.emplace( old, this->node );
[6d51bd7]	1941	}
	1942
	1943	virtual void visit( NullStmt * old ) override final {
[4073b16]	1944	if ( inCache( old ) ) return;
[6f8e87d]	1945	this->node = new ast::NullStmt(
[6d51bd7]	1946	old->location,
[6f8e87d]	1947	GET_LABELS_V(old->labels)
[6d51bd7]	1948	);
[4073b16]	1949	cache.emplace( old, this->node );
[6d51bd7]	1950	}
	1951
[6f8e87d]	1952	virtual void visit( DeclStmt * old ) override final {
[4073b16]	1953	if ( inCache( old ) ) return;
[6f8e87d]	1954	this->node = new ast::DeclStmt(
	1955	old->location,
	1956	GET_ACCEPT_1(decl, Decl),
	1957	GET_LABELS_V(old->labels)
	1958	);
[4073b16]	1959	cache.emplace( old, this->node );
[6d51bd7]	1960	}
	1961
[6f8e87d]	1962	virtual void visit( ImplicitCtorDtorStmt * old ) override final {
[4073b16]	1963	if ( inCache( old ) ) return;
[f685679]	1964	auto stmt = new ast::ImplicitCtorDtorStmt(
[6f8e87d]	1965	old->location,
[f685679]	1966	nullptr,
[6f8e87d]	1967	GET_LABELS_V(old->labels)
	1968	);
[2c04369]	1969	cache.emplace( old, stmt );
[f685679]	1970	stmt->callStmt = GET_ACCEPT_1(callStmt, Stmt);
[2c04369]	1971	this->node = stmt;
[6d51bd7]	1972	}
	1973
[172d9342]	1974	ast::TypeSubstitution * convertTypeSubstitution(const TypeSubstitution * old) {
	1975
[8abee136]	1976	if (!old) return nullptr;
	1977
[172d9342]	1978	ast::TypeSubstitution *rslt = new ast::TypeSubstitution();
	1979
	1980	for (decltype(old->begin()) old_i = old->begin(); old_i != old->end(); old_i++) {
	1981	rslt->add( old_i->first,
	1982	getAccept1<ast::Type>(old_i->second) );
	1983	}
[6d51bd7]	1984
[172d9342]	1985	for (decltype(old->beginVar()) old_i = old->beginVar(); old_i != old->endVar(); old_i++) {
	1986	rslt->addVar( old_i->first,
	1987	getAccept1<ast::Expr>(old_i->second) );
	1988	}
[19e567dd]	1989
	1990	return rslt;
[6d51bd7]	1991	}
	1992
[e0016a5]	1993	void convertInferUnion(ast::Expr::InferUnion &newInferred,
[19e567dd]	1994	const std::map<UniqueId,ParamEntry> &oldInferParams,
	1995	const std::vector<UniqueId> &oldResnSlots) {
	1996
	1997	assert( oldInferParams.empty() \|\| oldResnSlots.empty() );
	1998	assert( newInferred.mode == ast::Expr::InferUnion::Empty );
	1999
	2000	if ( !oldInferParams.empty() ) {
	2001	ast::InferredParams &tgt = newInferred.inferParams();
	2002	for (auto old : oldInferParams) {
	2003	tgt[old.first] = ast::ParamEntry(
	2004	old.second.decl,
	2005	getAccept1<ast::Type>(old.second.actualType),
	2006	getAccept1<ast::Type>(old.second.formalType),
	2007	getAccept1<ast::Expr>(old.second.expr)
	2008	);
	2009	}
	2010	} else if ( !oldResnSlots.empty() ) {
	2011	ast::ResnSlots &tgt = newInferred.resnSlots();
	2012	for (auto old : oldResnSlots) {
	2013	tgt.push_back(old);
	2014	}
	2015	}
[172d9342]	2016	}
	2017
[20de6fb]	2018	ast::Expr * visitBaseExpr_SkipResultType(Expression * old, ast::Expr * nw) {
[6d51bd7]	2019
[172d9342]	2020	nw->env = convertTypeSubstitution(old->env);
	2021
	2022	nw->extension = old->extension;
	2023	convertInferUnion(nw->inferred, old->inferParams, old->resnSlots);
	2024
	2025	return nw;
	2026	}
[6d51bd7]	2027
[20de6fb]	2028	ast::Expr * visitBaseExpr(Expression * old, ast::Expr * nw) {
	2029
	2030	nw->result = GET_ACCEPT_1(result, Type);
	2031	return visitBaseExpr_SkipResultType(old, nw);;
	2032	}
	2033
[19e567dd]	2034	virtual void visit( ApplicationExpr * old ) override final {
	2035	this->node = visitBaseExpr( old,
	2036	new ast::ApplicationExpr(
	2037	old->location,
	2038	GET_ACCEPT_1(function, Expr),
	2039	GET_ACCEPT_V(args, Expr)
	2040	)
	2041	);
[6d51bd7]	2042	}
	2043
[19e567dd]	2044	virtual void visit( UntypedExpr * old ) override final {
	2045	this->node = visitBaseExpr( old,
	2046	new ast::UntypedExpr(
	2047	old->location,
	2048	GET_ACCEPT_1(function, Expr),
	2049	GET_ACCEPT_V(args, Expr)
	2050	)
	2051	);
[172d9342]	2052	}
[6d51bd7]	2053
[172d9342]	2054	virtual void visit( NameExpr * old ) override final {
	2055	this->node = visitBaseExpr( old,
	2056	new ast::NameExpr(
	2057	old->location,
	2058	old->get_name()
	2059	)
	2060	);
[6d51bd7]	2061	}
	2062
[19e567dd]	2063	virtual void visit( CastExpr * old ) override final {
	2064	this->node = visitBaseExpr( old,
	2065	new ast::CastExpr(
	2066	old->location,
[28c89f4]	2067	GET_ACCEPT_1(arg, Expr),
[19e567dd]	2068	old->isGenerated ? ast::GeneratedCast : ast::ExplicitCast
	2069	)
	2070	);
[6d51bd7]	2071	}
	2072
[28c89f4]	2073	virtual void visit( KeywordCastExpr * old) override final {
	2074	ast::KeywordCastExpr::Target castTarget = ast::KeywordCastExpr::NUMBER_OF_TARGETS;
	2075	switch (old->target) {
	2076	case KeywordCastExpr::Coroutine:
	2077	castTarget = ast::KeywordCastExpr::Coroutine;
	2078	break;
	2079	case KeywordCastExpr::Thread:
	2080	castTarget = ast::KeywordCastExpr::Thread;
	2081	break;
	2082	case KeywordCastExpr::Monitor:
	2083	castTarget = ast::KeywordCastExpr::Monitor;
	2084	break;
	2085	default:
	2086	break;
	2087	}
	2088	assert ( castTarget < ast::KeywordCastExpr::NUMBER_OF_TARGETS );
	2089	this->node = visitBaseExpr( old,
	2090	new ast::KeywordCastExpr(
	2091	old->location,
	2092	GET_ACCEPT_1(arg, Expr),
	2093	castTarget
	2094	)
	2095	);
[6d51bd7]	2096	}
	2097
[28c89f4]	2098	virtual void visit( VirtualCastExpr * old ) override final {
[20de6fb]	2099	this->node = visitBaseExpr_SkipResultType( old,
[28c89f4]	2100	new ast::VirtualCastExpr(
	2101	old->location,
	2102	GET_ACCEPT_1(arg, Expr),
[20de6fb]	2103	GET_ACCEPT_1(result, Type)
[28c89f4]	2104	)
	2105	);
[6d51bd7]	2106	}
	2107
[28c89f4]	2108	virtual void visit( AddressExpr * old ) override final {
	2109	this->node = visitBaseExpr( old,
	2110	new ast::AddressExpr(
	2111	old->location,
	2112	GET_ACCEPT_1(arg, Expr)
	2113	)
	2114	);
[6d51bd7]	2115	}
	2116
[28c89f4]	2117	virtual void visit( LabelAddressExpr * old ) override final {
	2118	this->node = visitBaseExpr( old,
	2119	new ast::LabelAddressExpr(
	2120	old->location,
	2121	make_label(&old->arg)
	2122	)
	2123	);
[6d51bd7]	2124	}
	2125
[28c89f4]	2126	virtual void visit( UntypedMemberExpr * old ) override final {
	2127	this->node = visitBaseExpr( old,
	2128	new ast::UntypedMemberExpr(
	2129	old->location,
	2130	GET_ACCEPT_1(member, Expr),
	2131	GET_ACCEPT_1(aggregate, Expr)
	2132	)
	2133	);
[6d51bd7]	2134	}
	2135
[28c89f4]	2136	virtual void visit( MemberExpr * old ) override final {
	2137	this->node = visitBaseExpr( old,
	2138	new ast::MemberExpr(
	2139	old->location,
[2a54479]	2140	GET_ACCEPT_1(member, DeclWithType),
[28c89f4]	2141	GET_ACCEPT_1(aggregate, Expr)
	2142	)
	2143	);
[6d51bd7]	2144	}
	2145
[28c89f4]	2146	virtual void visit( VariableExpr * old ) override final {
[546e712]	2147	auto expr = new ast::VariableExpr(
	2148	old->location
	2149	);
	2150
	2151	visitBaseExpr( old,
	2152	expr
[28c89f4]	2153	);
[546e712]	2154
	2155	expr->var = GET_ACCEPT_1(var, DeclWithType);
	2156	expr->result = expr->var->get_type();
	2157	add_qualifiers( expr->result, ast::CV::Lvalue );
	2158	this->node = expr;
[6d51bd7]	2159	}
	2160
[28c89f4]	2161	bool isIntlikeConstantType(const Type *t) {
	2162	if ( const BasicType * basicType = dynamic_cast< const BasicType * >( t ) ) {
	2163	if ( basicType->isInteger() ) {
	2164	return true;
	2165	}
	2166	} else if ( dynamic_cast< const OneType * >( t ) ) {
	2167	return true;
	2168	} else if ( dynamic_cast< const ZeroType * >( t ) ) {
	2169	return true;
	2170	} else if ( dynamic_cast< const PointerType * >( t ) ) {
	2171	// null pointer constants, with zero int-values
	2172	return true;
	2173	}
	2174	return false;
[6d51bd7]	2175	}
	2176
[28c89f4]	2177	int isFloatlikeConstantType(const Type *t) {
	2178	if ( const BasicType * bty = dynamic_cast< const BasicType * >( t ) ) {
	2179	if ( ! bty->isInteger() ) {
	2180	return true;
	2181	}
	2182	}
	2183	return false;
[6d51bd7]	2184	}
	2185
[28c89f4]	2186	int isStringlikeConstantType(const Type *t) {
	2187	if ( const ArrayType * aty = dynamic_cast< const ArrayType * >( t ) ) {
	2188	if ( const BasicType * bty = dynamic_cast< const BasicType * >( aty->base ) ) {
	2189	if ( bty->kind == BasicType::Kind::Char ) {
	2190	return true;
	2191	}
	2192	}
	2193	}
	2194	return false;
[6d51bd7]	2195	}
	2196
[28c89f4]	2197	virtual void visit( ConstantExpr * old ) override final {
	2198	ast::ConstantExpr *rslt = nullptr;
	2199	if (isIntlikeConstantType(old->result)) {
	2200	rslt = new ast::ConstantExpr(
	2201	old->location,
	2202	GET_ACCEPT_1(result, Type),
	2203	old->constant.get_value(),
[8568319]	2204	(unsigned long long) old->intValue(),
	2205	ast::ConstantExpr::Kind::Integer
[28c89f4]	2206	);
	2207	} else if (isFloatlikeConstantType(old->result)) {
	2208	rslt = new ast::ConstantExpr(
	2209	old->location,
[0b57626]	2210	GET_ACCEPT_1(result, Type),
	2211	old->constant.get_value(),
[28c89f4]	2212	(double) old->constant.get_dval()
	2213	);
	2214	} else if (isStringlikeConstantType(old->result)) {
[8568319]	2215	rslt = new ast::ConstantExpr(
[28c89f4]	2216	old->location,
[8568319]	2217	GET_ACCEPT_1(result, Type),
	2218	old->constant.get_value(),
	2219	0,
	2220	ast::ConstantExpr::Kind::String
[28c89f4]	2221	);
	2222	}
	2223	assert(rslt);
	2224	this->node = visitBaseExpr( old, rslt );
	2225	}
	2226
	2227	virtual void visit( SizeofExpr * old ) override final {
	2228	assert (old->expr \|\| old->type);
	2229	assert (! (old->expr && old->type));
	2230	ast::SizeofExpr *rslt;
	2231	if (old->expr) {
	2232	assert(!old->isType);
	2233	rslt = new ast::SizeofExpr(
[0b57626]	2234	old->location,
[28c89f4]	2235	GET_ACCEPT_1(expr, Expr)
	2236	);
	2237	}
	2238	if (old->type) {
	2239	assert(old->isType);
	2240	rslt = new ast::SizeofExpr(
[0b57626]	2241	old->location,
[28c89f4]	2242	GET_ACCEPT_1(type, Type)
	2243	);
	2244	}
	2245	this->node = visitBaseExpr( old, rslt );
	2246	}
	2247
	2248	virtual void visit( AlignofExpr * old ) override final {
	2249	assert (old->expr \|\| old->type);
	2250	assert (! (old->expr && old->type));
	2251	ast::AlignofExpr *rslt;
	2252	if (old->expr) {
	2253	assert(!old->isType);
	2254	rslt = new ast::AlignofExpr(
[0b57626]	2255	old->location,
[28c89f4]	2256	GET_ACCEPT_1(expr, Expr)
	2257	);
	2258	}
	2259	if (old->type) {
	2260	assert(old->isType);
	2261	rslt = new ast::AlignofExpr(
[0b57626]	2262	old->location,
[28c89f4]	2263	GET_ACCEPT_1(type, Type)
	2264	);
	2265	}
	2266	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2267	}
	2268
[28c89f4]	2269	virtual void visit( UntypedOffsetofExpr * old ) override final {
	2270	this->node = visitBaseExpr( old,
	2271	new ast::UntypedOffsetofExpr(
	2272	old->location,
	2273	GET_ACCEPT_1(type, Type),
	2274	old->member
	2275	)
	2276	);
[6d51bd7]	2277	}
	2278
[28c89f4]	2279	virtual void visit( OffsetofExpr * old ) override final {
	2280	this->node = visitBaseExpr( old,
	2281	new ast::OffsetofExpr(
	2282	old->location,
	2283	GET_ACCEPT_1(type, Type),
[2a54479]	2284	GET_ACCEPT_1(member, DeclWithType)
[28c89f4]	2285	)
	2286	);
[6d51bd7]	2287	}
	2288
[28c89f4]	2289	virtual void visit( OffsetPackExpr * old ) override final {
	2290	this->node = visitBaseExpr( old,
	2291	new ast::OffsetPackExpr(
	2292	old->location,
	2293	GET_ACCEPT_1(type, StructInstType)
	2294	)
	2295	);
[6d51bd7]	2296	}
	2297
[28c89f4]	2298	virtual void visit( LogicalExpr * old ) override final {
	2299	this->node = visitBaseExpr( old,
	2300	new ast::LogicalExpr(
	2301	old->location,
	2302	GET_ACCEPT_1(arg1, Expr),
	2303	GET_ACCEPT_1(arg2, Expr),
[0b57626]	2304	old->get_isAnd() ?
[28c89f4]	2305	ast::LogicalFlag::AndExpr :
	2306	ast::LogicalFlag::OrExpr
	2307	)
	2308	);
[6d51bd7]	2309	}
	2310
[28c89f4]	2311	virtual void visit( ConditionalExpr * old ) override final {
	2312	this->node = visitBaseExpr( old,
	2313	new ast::ConditionalExpr(
	2314	old->location,
	2315	GET_ACCEPT_1(arg1, Expr),
	2316	GET_ACCEPT_1(arg2, Expr),
	2317	GET_ACCEPT_1(arg3, Expr)
	2318	)
	2319	);
	2320	}
[6d51bd7]	2321
[28c89f4]	2322	virtual void visit( CommaExpr * old ) override final {
	2323	this->node = visitBaseExpr( old,
	2324	new ast::CommaExpr(
	2325	old->location,
	2326	GET_ACCEPT_1(arg1, Expr),
	2327	GET_ACCEPT_1(arg2, Expr)
	2328	)
	2329	);
[6d51bd7]	2330	}
	2331
[20de6fb]	2332	virtual void visit( TypeExpr * old ) override final {
	2333	this->node = visitBaseExpr( old,
	2334	new ast::TypeExpr(
	2335	old->location,
	2336	GET_ACCEPT_1(type, Type)
	2337	)
	2338	);
[6d51bd7]	2339	}
	2340
[20de6fb]	2341	virtual void visit( AsmExpr * old ) override final {
	2342	this->node = visitBaseExpr( old,
	2343	new ast::AsmExpr(
	2344	old->location,
	2345	GET_ACCEPT_1(inout, Expr),
	2346	GET_ACCEPT_1(constraint, Expr),
	2347	GET_ACCEPT_1(operand, Expr)
	2348	)
	2349	);
[6d51bd7]	2350	}
	2351
[20de6fb]	2352	virtual void visit( ImplicitCopyCtorExpr * old ) override final {
	2353	auto rslt = new ast::ImplicitCopyCtorExpr(
	2354	old->location,
	2355	GET_ACCEPT_1(callExpr, ApplicationExpr)
	2356	);
[6d51bd7]	2357
[20de6fb]	2358	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2359	}
	2360
[20de6fb]	2361	virtual void visit( ConstructorExpr * old ) override final {
	2362	this->node = visitBaseExpr( old,
	2363	new ast::ConstructorExpr(
	2364	old->location,
	2365	GET_ACCEPT_1(callExpr, Expr)
	2366	)
	2367	);
[6d51bd7]	2368	}
	2369
[20de6fb]	2370	virtual void visit( CompoundLiteralExpr * old ) override final {
	2371	this->node = visitBaseExpr_SkipResultType( old,
	2372	new ast::CompoundLiteralExpr(
	2373	old->location,
	2374	GET_ACCEPT_1(result, Type),
	2375	GET_ACCEPT_1(initializer, Init)
	2376	)
	2377	);
[6d51bd7]	2378	}
	2379
[20de6fb]	2380	virtual void visit( RangeExpr * old ) override final {
	2381	this->node = visitBaseExpr( old,
	2382	new ast::RangeExpr(
	2383	old->location,
	2384	GET_ACCEPT_1(low, Expr),
	2385	GET_ACCEPT_1(high, Expr)
	2386	)
	2387	);
[6d51bd7]	2388	}
	2389
[20de6fb]	2390	virtual void visit( UntypedTupleExpr * old ) override final {
	2391	this->node = visitBaseExpr( old,
	2392	new ast::UntypedTupleExpr(
	2393	old->location,
	2394	GET_ACCEPT_V(exprs, Expr)
	2395	)
	2396	);
[6d51bd7]	2397	}
	2398
[20de6fb]	2399	virtual void visit( TupleExpr * old ) override final {
	2400	this->node = visitBaseExpr( old,
	2401	new ast::TupleExpr(
	2402	old->location,
	2403	GET_ACCEPT_V(exprs, Expr)
	2404	)
	2405	);
[6d51bd7]	2406	}
	2407
[20de6fb]	2408	virtual void visit( TupleIndexExpr * old ) override final {
	2409	this->node = visitBaseExpr( old,
	2410	new ast::TupleIndexExpr(
	2411	old->location,
	2412	GET_ACCEPT_1(tuple, Expr),
	2413	old->index
	2414	)
	2415	);
[6d51bd7]	2416	}
	2417
[20de6fb]	2418	virtual void visit( TupleAssignExpr * old ) override final {
	2419	this->node = visitBaseExpr_SkipResultType( old,
	2420	new ast::TupleAssignExpr(
	2421	old->location,
	2422	GET_ACCEPT_1(result, Type),
	2423	GET_ACCEPT_1(stmtExpr, StmtExpr)
	2424	)
	2425	);
[6d51bd7]	2426	}
	2427
[20de6fb]	2428	virtual void visit( StmtExpr * old ) override final {
	2429	auto rslt = new ast::StmtExpr(
	2430	old->location,
	2431	GET_ACCEPT_1(statements, CompoundStmt)
	2432	);
	2433	rslt->returnDecls = GET_ACCEPT_V(returnDecls, ObjectDecl);
	2434	rslt->dtors = GET_ACCEPT_V(dtors , Expr);
[6d51bd7]	2435
[20de6fb]	2436	this->node = visitBaseExpr_SkipResultType( old, rslt );
[6d51bd7]	2437	}
	2438
[20de6fb]	2439	virtual void visit( UniqueExpr * old ) override final {
	2440	auto rslt = new ast::UniqueExpr(
	2441	old->location,
	2442	GET_ACCEPT_1(expr, Expr)
	2443	);
	2444	rslt->object = GET_ACCEPT_1(object, ObjectDecl);
	2445	rslt->var = GET_ACCEPT_1(var , VariableExpr);
[6d51bd7]	2446
[20de6fb]	2447	this->node = visitBaseExpr( old, rslt );
[6d51bd7]	2448	}
	2449
[20de6fb]	2450	virtual void visit( UntypedInitExpr * old ) override final {
	2451	std::vector<ast::InitAlternative> initAlts;
	2452	for (auto ia : old->initAlts) {
	2453	initAlts.push_back(ast::InitAlternative(
	2454	getAccept1< ast::Type, Type * >( ia.type ),
	2455	getAccept1< ast::Designation, Designation * >( ia.designation )
	2456	));
	2457	}
	2458	this->node = visitBaseExpr( old,
	2459	new ast::UntypedInitExpr(
	2460	old->location,
	2461	GET_ACCEPT_1(expr, Expr),
	2462	std::move(initAlts)
	2463	)
	2464	);
[6d51bd7]	2465	}
	2466
[20de6fb]	2467	virtual void visit( InitExpr * old ) override final {
	2468	this->node = visitBaseExpr( old,
	2469	new ast::InitExpr(
	2470	old->location,
	2471	GET_ACCEPT_1(expr, Expr),
	2472	GET_ACCEPT_1(designation, Designation)
	2473	)
	2474	);
[6d51bd7]	2475	}
	2476
[20de6fb]	2477	virtual void visit( DeletedExpr * old ) override final {
	2478	this->node = visitBaseExpr( old,
	2479	new ast::DeletedExpr(
	2480	old->location,
	2481	GET_ACCEPT_1(expr, Expr),
	2482	inCache(old->deleteStmt) ?
	2483	this->node :
	2484	GET_ACCEPT_1(deleteStmt, Node)
	2485	)
	2486	);
[6d51bd7]	2487	}
	2488
[20de6fb]	2489	virtual void visit( DefaultArgExpr * old ) override final {
	2490	this->node = visitBaseExpr( old,
	2491	new ast::DefaultArgExpr(
	2492	old->location,
	2493	GET_ACCEPT_1(expr, Expr)
	2494	)
	2495	);
	2496	}
[6d51bd7]	2497
[20de6fb]	2498	virtual void visit( GenericExpr * old ) override final {
	2499	std::vector<ast::GenericExpr::Association> associations;
	2500	for (auto association : old->associations) {
	2501	associations.push_back(ast::GenericExpr::Association(
	2502	getAccept1< ast::Type, Type * >( association.type ),
	2503	getAccept1< ast::Expr, Expression * >( association.expr )
	2504	));
	2505	}
	2506	this->node = visitBaseExpr( old,
	2507	new ast::GenericExpr(
	2508	old->location,
	2509	GET_ACCEPT_1(control, Expr),
	2510	std::move(associations)
	2511	)
	2512	);
[6d51bd7]	2513	}
	2514
[d148778]	2515	virtual void visit( VoidType * old ) override final {
	2516	this->node = new ast::VoidType{ cv( old ) };
[6d51bd7]	2517	}
	2518
[d148778]	2519	virtual void visit( BasicType * old ) override final {
[2a54479]	2520	auto type = new ast::BasicType{ (ast::BasicType::Kind)(unsigned)old->kind, cv( old ) };
	2521	// I believe this should always be a BasicType.
	2522	if ( Validate::SizeType == old ) {
	2523	sizeType = type;
	2524	}
	2525	this->node = type;
[6d51bd7]	2526	}
	2527
[d148778]	2528	virtual void visit( PointerType * old ) override final {
	2529	this->node = new ast::PointerType{
	2530	GET_ACCEPT_1( base, Type ),
	2531	GET_ACCEPT_1( dimension, Expr ),
	2532	(ast::LengthFlag)old->isVarLen,
	2533	(ast::DimensionFlag)old->isStatic,
	2534	cv( old )
	2535	};
[6d51bd7]	2536	}
	2537
[d148778]	2538	virtual void visit( ArrayType * old ) override final {
	2539	this->node = new ast::ArrayType{
	2540	GET_ACCEPT_1( base, Type ),
	2541	GET_ACCEPT_1( dimension, Expr ),
	2542	(ast::LengthFlag)old->isVarLen,
	2543	(ast::DimensionFlag)old->isStatic,
	2544	cv( old )
	2545	};
[6d51bd7]	2546	}
	2547
[d148778]	2548	virtual void visit( ReferenceType * old ) override final {
	2549	this->node = new ast::ReferenceType{
	2550	GET_ACCEPT_1( base, Type ),
	2551	cv( old )
	2552	};
[6d51bd7]	2553	}
	2554
[d148778]	2555	virtual void visit( QualifiedType * old ) override final {
	2556	this->node = new ast::QualifiedType{
	2557	GET_ACCEPT_1( parent, Type ),
	2558	GET_ACCEPT_1( child, Type ),
	2559	cv( old )
	2560	};
[6d51bd7]	2561	}
	2562
[d148778]	2563	virtual void visit( FunctionType * old ) override final {
	2564	auto ty = new ast::FunctionType {
	2565	(ast::ArgumentFlag)old->isVarArgs,
	2566	cv( old )
	2567	};
	2568	ty->returns = GET_ACCEPT_V( returnVals, DeclWithType );
	2569	ty->params = GET_ACCEPT_V( parameters, DeclWithType );
	2570	ty->forall = GET_ACCEPT_V( forall, TypeDecl );
	2571	this->node = ty;
[6d51bd7]	2572	}
	2573
[d148778]	2574	void postvisit( ReferenceToType * old, ast::ReferenceToType * ty ) {
	2575	ty->forall = GET_ACCEPT_V( forall, TypeDecl );
	2576	ty->params = GET_ACCEPT_V( parameters, Expr );
	2577	ty->hoistType = old->hoistType;
[6d51bd7]	2578	}
	2579
[d148778]	2580	virtual void visit( StructInstType * old ) override final {
[b869ec5]	2581	ast::StructInstType * ty;
	2582	if ( old->baseStruct ) {
	2583	ty = new ast::StructInstType{
	2584	GET_ACCEPT_1( baseStruct, StructDecl ),
	2585	cv( old ),
	2586	GET_ACCEPT_V( attributes, Attribute )
	2587	};
	2588	} else {
	2589	ty = new ast::StructInstType{
	2590	old->name,
	2591	cv( old ),
	2592	GET_ACCEPT_V( attributes, Attribute )
	2593	};
	2594	}
[d148778]	2595	postvisit( old, ty );
	2596	this->node = ty;
[6d51bd7]	2597	}
	2598
[d148778]	2599	virtual void visit( UnionInstType * old ) override final {
[b869ec5]	2600	ast::UnionInstType * ty;
	2601	if ( old->baseUnion ) {
	2602	ty = new ast::UnionInstType{
	2603	GET_ACCEPT_1( baseUnion, UnionDecl ),
	2604	cv( old ),
	2605	GET_ACCEPT_V( attributes, Attribute )
	2606	};
	2607	} else {
	2608	ty = new ast::UnionInstType{
	2609	old->name,
	2610	cv( old ),
	2611	GET_ACCEPT_V( attributes, Attribute )
	2612	};
	2613	}
[d148778]	2614	postvisit( old, ty );
	2615	this->node = ty;
[6d51bd7]	2616	}
	2617
[d148778]	2618	virtual void visit( EnumInstType * old ) override final {
[b869ec5]	2619	ast::EnumInstType * ty;
	2620	if ( old->baseEnum ) {
	2621	ty = new ast::EnumInstType{
	2622	GET_ACCEPT_1( baseEnum, EnumDecl ),
	2623	cv( old ),
	2624	GET_ACCEPT_V( attributes, Attribute )
	2625	};
	2626	} else {
	2627	ty = new ast::EnumInstType{
	2628	old->name,
	2629	cv( old ),
	2630	GET_ACCEPT_V( attributes, Attribute )
	2631	};
	2632	}
[d148778]	2633	postvisit( old, ty );
	2634	this->node = ty;
[6d51bd7]	2635	}
	2636
[d148778]	2637	virtual void visit( TraitInstType * old ) override final {
[b869ec5]	2638	ast::TraitInstType * ty;
	2639	if ( old->baseTrait ) {
	2640	ty = new ast::TraitInstType{
	2641	GET_ACCEPT_1( baseTrait, TraitDecl ),
	2642	cv( old ),
	2643	GET_ACCEPT_V( attributes, Attribute )
	2644	};
	2645	} else {
	2646	ty = new ast::TraitInstType{
	2647	old->name,
	2648	cv( old ),
	2649	GET_ACCEPT_V( attributes, Attribute )
	2650	};
	2651	}
[d148778]	2652	postvisit( old, ty );
	2653	this->node = ty;
	2654	}
[6d51bd7]	2655
[d148778]	2656	virtual void visit( TypeInstType * old ) override final {
[514a791]	2657	ast::TypeInstType * ty;
	2658	if ( old->baseType ) {
	2659	ty = new ast::TypeInstType{
	2660	old->name,
[b869ec5]	2661	GET_ACCEPT_1( baseType, TypeDecl ),
[514a791]	2662	cv( old ),
	2663	GET_ACCEPT_V( attributes, Attribute )
	2664	};
	2665	} else {
	2666	ty = new ast::TypeInstType{
	2667	old->name,
	2668	old->isFtype ? ast::TypeVar::Ftype : ast::TypeVar::Dtype,
	2669	cv( old ),
	2670	GET_ACCEPT_V( attributes, Attribute )
	2671	};
	2672	}
[d148778]	2673	postvisit( old, ty );
	2674	this->node = ty;
[6d51bd7]	2675	}
	2676
[746ae82]	2677	virtual void visit( TupleType * old ) override final {
	2678	this->node = new ast::TupleType{
	2679	GET_ACCEPT_V( types, Type ),
	2680	// members generated by TupleType c'tor
	2681	cv( old )
	2682	};
[6d51bd7]	2683	}
	2684
[746ae82]	2685	virtual void visit( TypeofType * old ) override final {
	2686	this->node = new ast::TypeofType{
	2687	GET_ACCEPT_1( expr, Expr ),
	2688	(ast::TypeofType::Kind)old->is_basetypeof,
	2689	cv( old )
	2690	};
[6d51bd7]	2691	}
	2692
	2693	virtual void visit( AttrType * ) override final {
[746ae82]	2694	assertf( false, "AttrType deprecated in new AST." );
[6d51bd7]	2695	}
	2696
[746ae82]	2697	virtual void visit( VarArgsType * old ) override final {
	2698	this->node = new ast::VarArgsType{ cv( old ) };
[6d51bd7]	2699	}
	2700
[746ae82]	2701	virtual void visit( ZeroType * old ) override final {
	2702	this->node = new ast::ZeroType{ cv( old ) };
[6d51bd7]	2703	}
	2704
[746ae82]	2705	virtual void visit( OneType * old ) override final {
	2706	this->node = new ast::OneType{ cv( old ) };
[6d51bd7]	2707	}
	2708
	2709	virtual void visit( GlobalScopeType * ) override final {
[746ae82]	2710	this->node = new ast::GlobalScopeType{};
[6d51bd7]	2711	}
	2712
[74ad8c0]	2713	virtual void visit( Designation * old ) override final {
	2714	this->node = new ast::Designation(
	2715	old->location,
	2716	GET_ACCEPT_V(designators, Expr)
	2717	);
[6d51bd7]	2718	}
	2719
[74ad8c0]	2720	virtual void visit( SingleInit * old ) override final {
	2721	this->node = new ast::SingleInit(
	2722	old->location,
	2723	GET_ACCEPT_1(value, Expr),
	2724	(old->get_maybeConstructed()) ? ast::MaybeConstruct : ast::DoConstruct
	2725	);
[6d51bd7]	2726	}
	2727
[74ad8c0]	2728	virtual void visit( ListInit * old ) override final {
	2729	this->node = new ast::ListInit(
	2730	old->location,
	2731	GET_ACCEPT_V(initializers, Init),
	2732	GET_ACCEPT_V(designations, Designation),
	2733	(old->get_maybeConstructed()) ? ast::MaybeConstruct : ast::DoConstruct
	2734	);
[6d51bd7]	2735	}
	2736
[74ad8c0]	2737	virtual void visit( ConstructorInit * old ) override final {
	2738	this->node = new ast::ConstructorInit(
	2739	old->location,
	2740	GET_ACCEPT_1(ctor, Stmt),
	2741	GET_ACCEPT_1(dtor, Stmt),
	2742	GET_ACCEPT_1(init, Init)
	2743	);
[6d51bd7]	2744	}
	2745
	2746	virtual void visit( Constant * ) override final {
[dd6d7c6]	2747	// Handled in visit( ConstantEpxr * ).
	2748	// In the new tree, Constant fields are inlined into containing ConstantExpression.
	2749	assert( 0 );
[6d51bd7]	2750	}
	2751
[dd6d7c6]	2752	virtual void visit( Attribute * old ) override final {
	2753	this->node = new ast::Attribute(
	2754	old->name,
	2755	GET_ACCEPT_V( parameters, Expr )
	2756	);
[6d51bd7]	2757	}
[b336af9]	2758
	2759	virtual void visit( AttrExpr * ) override final {
[dd6d7c6]	2760	assertf( false, "AttrExpr deprecated in new AST." );
[b336af9]	2761	}
[6d51bd7]	2762	};
	2763
[6f8e87d]	2764	#undef GET_LABELS_V
	2765	#undef GET_ACCEPT_V
	2766	#undef GET_ACCEPT_1
	2767
[74dbbf6]	2768	std::list< ast::ptr< ast::Decl > > convert( const std::list< Declaration * > && translationUnit ) {
[6d51bd7]	2769	ConverterOldToNew c;
	2770	std::list< ast::ptr< ast::Decl > > decls;
	2771	for(auto d : translationUnit) {
	2772	d->accept( c );
	2773	decls.emplace_back( c.decl() );
	2774	}
[8abee136]	2775	deleteAll(translationUnit);
[6d51bd7]	2776	return decls;
[6f8e87d]	2777	}

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