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source: src/Common/PassVisitor.impl.h@ 9a0cd9c

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

Last change on this file since 9a0cd9c was 712348a, checked in by Thierry Delisle <tdelisle@…>, 6 years ago
Removed all traces of SubRange which didn't actually exist and made some more fields public
Property mode set to `100644`
File size: 79.3 KB

Rev	Line
[13932f14]	1	#pragma once
[3268a58]	2	// IWYU pragma: private, include "PassVisitor.h"
[13932f14]	3
[3c398b6]	4	#define VISIT_START( node ) \
	5	__attribute__((unused)) \
	6	ChildrenGuard children_guard( get_visit_children_ptr() ); \
	7	__attribute__((unused)) \
[62423350]	8	guard_value_impl guard( at_cleanup_impl(pass, 0) ); \
[3c398b6]	9	call_previsit( node ); \
[6e09f211]	10
	11	#define VISIT_END( node ) \
	12	call_postvisit( node ); \
[9c1600c]	13
[3c398b6]	14	#define MUTATE_START( node ) \
	15	__attribute__((unused)) \
	16	ChildrenGuard children_guard( get_visit_children_ptr() ); \
	17	__attribute__((unused)) \
[62423350]	18	guard_value_impl guard( at_cleanup_impl(pass, 0) ); \
[3c398b6]	19	call_premutate( node ); \
[296b2be]	20
	21	#define MUTATE_END( type, node ) \
[6a625de]	22	auto __return = call_postmutate< type * >( node ); \
	23	assert( __return ); \
	24	return __return;
[296b2be]	25
	26
[3c398b6]	27	#define VISIT_BODY( node ) \
	28	VISIT_START( node ); \
	29	if( children_guard ) { \
	30	Visitor::visit( node ); \
	31	} \
	32	VISIT_END( node ); \
[13932f14]	33
[ab904dc]	34
[3c398b6]	35	#define MUTATE_BODY( type, node ) \
	36	MUTATE_START( node ); \
	37	if( children_guard ) { \
	38	Mutator::mutate( node ); \
	39	} \
	40	MUTATE_END( type, node ); \
[296b2be]	41
[134322e]	42
	43
	44	template<typename T>
	45	static inline bool empty( T * ptr ) {
	46	return !ptr \|\| ptr->empty();
	47	}
	48
[6ca154b]	49	typedef std::list< Statement * > StmtList_t;
	50	typedef std::list< Declaration * > DeclList_t;
	51
	52	template<typename iterator_t>
	53	static inline void splice( iterator_t it, DeclList_t * decls ) {
	54	std::transform(
	55	decls->begin(),
	56	decls->end(),
	57	it,
	58	[](Declaration * decl) -> auto {
[ba3706f]	59	return new DeclStmt( decl );
[6ca154b]	60	}
	61	);
	62	decls->clear();
	63	}
[134322e]	64
	65	template< typename pass_type >
[07c178f0]	66	inline void acceptAll( std::list< Declaration* > &decls, PassVisitor< pass_type >& visitor ) {
[6ca154b]	67	DeclList_t* beforeDecls = visitor.get_beforeDecls();
	68	DeclList_t* afterDecls = visitor.get_afterDecls();
[a16764a6]	69	SemanticErrorException errors;
[134322e]	70
[675716e]	71	pass_visitor_stats.depth++;
	72	pass_visitor_stats.max->push(pass_visitor_stats.depth);
	73	pass_visitor_stats.avg->push(pass_visitor_stats.depth);
[6ca154b]	74	for ( std::list< Declaration* >::iterator i = decls.begin(); ; ++i ) {
[675716e]	75
	76
[6ca154b]	77	// splice in new declarations after previous decl
[d24d4e1]	78	if ( !empty( afterDecls ) ) { decls.splice( i, *afterDecls ); }
[6ca154b]	79
	80	if ( i == decls.end() ) break;
	81
[522363e]	82	try {
	83	// run visitor on declaration
[3c398b6]	84	maybeAccept_impl( *i, visitor );
[a16764a6]	85	} catch( SemanticErrorException &e ) {
[522363e]	86	errors.append( e );
	87	}
[6ca154b]	88
	89	// splice in new declarations before current decl
	90	if ( !empty( beforeDecls ) ) { decls.splice( i, *beforeDecls ); }
[134322e]	91	}
[675716e]	92	pass_visitor_stats.depth--;
[522363e]	93	if ( ! errors.isEmpty() ) {
	94	throw errors;
	95	}
[6ca154b]	96	}
[134322e]	97
[6ca154b]	98	template< typename pass_type >
[07c178f0]	99	inline void mutateAll( std::list< Declaration* > &decls, PassVisitor< pass_type >& mutator ) {
[6ca154b]	100	DeclList_t* beforeDecls = mutator.get_beforeDecls();
	101	DeclList_t* afterDecls = mutator.get_afterDecls();
[a16764a6]	102	SemanticErrorException errors;
[6ca154b]	103
[675716e]	104	pass_visitor_stats.depth++;
	105	pass_visitor_stats.max->push(pass_visitor_stats.depth);
	106	pass_visitor_stats.avg->push(pass_visitor_stats.depth);
[6ca154b]	107	for ( std::list< Declaration* >::iterator i = decls.begin(); ; ++i ) {
	108	// splice in new declarations after previous decl
[d24d4e1]	109	if ( !empty( afterDecls ) ) { decls.splice( i, *afterDecls ); }
[6ca154b]	110
	111	if ( i == decls.end() ) break;
[522363e]	112	try {
	113	// run mutator on declaration
[3c398b6]	114	maybeMutate_impl( *i, mutator );
[a16764a6]	115	} catch( SemanticErrorException &e ) {
[522363e]	116	errors.append( e );
	117	}
[6ca154b]	118
	119	// splice in new declarations before current decl
	120	if ( !empty( beforeDecls ) ) { decls.splice( i, *beforeDecls ); }
	121	}
[675716e]	122	pass_visitor_stats.depth--;
[522363e]	123	if ( ! errors.isEmpty() ) {
	124	throw errors;
	125	}
[134322e]	126	}
	127
[3c398b6]	128	template< typename TreeType, typename pass_type >
	129	inline void maybeAccept_impl( TreeType * tree, PassVisitor< pass_type > & visitor ) {
	130	if ( ! visitor.get_visit_children() ) return;
	131	if ( tree ) {
	132	tree->accept( visitor );
	133	}
	134	}
	135
	136	template< typename Container, typename pass_type >
	137	inline void maybeAccept_impl( Container & container, PassVisitor< pass_type > & visitor ) {
	138	if ( ! visitor.get_visit_children() ) return;
[a16764a6]	139	SemanticErrorException errors;
[675716e]	140
	141	pass_visitor_stats.depth++;
	142	pass_visitor_stats.max->push(pass_visitor_stats.depth);
	143	pass_visitor_stats.avg->push(pass_visitor_stats.depth);
[e0886db]	144	for ( typename Container::iterator i = container.begin(); i != container.end(); ++i ) {
	145	try {
	146	if ( *i ) {
	147	(*i)->accept( visitor );
	148	}
[a16764a6]	149	} catch( SemanticErrorException &e ) {
[e0886db]	150	errors.append( e );
	151	}
	152	}
[675716e]	153	pass_visitor_stats.depth--;
[e0886db]	154	if ( ! errors.isEmpty() ) {
	155	throw errors;
	156	}
	157	}
	158
[3c398b6]	159	template< typename TreeType, typename pass_type >
	160	inline void maybeMutate_impl( TreeType *& tree, PassVisitor< pass_type > & mutator ) {
	161	if ( ! mutator.get_visit_children() ) return;
	162
	163	if ( tree ) {
	164	tree = strict_dynamic_cast< TreeType * >( tree->acceptMutator( mutator ) );
	165	}
	166	}
	167
	168	template< typename Container, typename pass_type >
	169	inline void maybeMutate_impl( Container & container, PassVisitor< pass_type > & mutator ) {
[37e3af4]	170
[3c398b6]	171	if ( ! mutator.get_visit_children() ) return;
[a16764a6]	172	SemanticErrorException errors;
[675716e]	173
	174	pass_visitor_stats.depth++;
	175	pass_visitor_stats.max->push(pass_visitor_stats.depth);
	176	pass_visitor_stats.avg->push(pass_visitor_stats.depth);
[e0886db]	177	for ( typename Container::iterator i = container.begin(); i != container.end(); ++i ) {
	178	try {
	179	if ( *i ) {
	180	i = dynamic_cast< typename Container::value_type >( (i)->acceptMutator( mutator ) );
	181	assert( *i );
	182	} // if
[a16764a6]	183	} catch( SemanticErrorException &e ) {
[e0886db]	184	errors.append( e );
	185	} // try
	186	} // for
[675716e]	187	pass_visitor_stats.depth--;
[e0886db]	188	if ( ! errors.isEmpty() ) {
	189	throw errors;
	190	} // if
	191	}
	192
[296b2be]	193	template< typename pass_type >
[6ca154b]	194	template< typename func_t >
	195	void PassVisitor< pass_type >::handleStatementList( std::list< Statement * > & statements, func_t func ) {
[3c398b6]	196	if ( ! get_visit_children() ) return;
[a16764a6]	197	SemanticErrorException errors;
[296b2be]	198
[2a7b3ca]	199	// don't want statements from outer CompoundStmts to be added to this CompoundStmt
	200	ValueGuardPtr< StmtList_t > oldBeforeStmts( get_beforeStmts() );
	201	ValueGuardPtr< StmtList_t > oldAfterStmts ( get_afterStmts () );
	202	ValueGuardPtr< DeclList_t > oldBeforeDecls( get_beforeDecls() );
	203	ValueGuardPtr< DeclList_t > oldAfterDecls ( get_afterDecls () );
	204
[134322e]	205	StmtList_t* beforeStmts = get_beforeStmts();
	206	StmtList_t* afterStmts = get_afterStmts();
[6ca154b]	207	DeclList_t* beforeDecls = get_beforeDecls();
	208	DeclList_t* afterDecls = get_afterDecls();
[134322e]	209
[675716e]	210	pass_visitor_stats.depth++;
	211	pass_visitor_stats.max->push(pass_visitor_stats.depth);
	212	pass_visitor_stats.avg->push(pass_visitor_stats.depth);
[296b2be]	213	for ( std::list< Statement* >::iterator i = statements.begin(); i != statements.end(); ++i ) {
[6ca154b]	214
	215	if ( !empty( afterDecls ) ) { splice( std::inserter( statements, i ), afterDecls ); }
[134322e]	216	if ( !empty( afterStmts ) ) { statements.splice( i, *afterStmts ); }
[6ca154b]	217
[296b2be]	218	try {
[6ca154b]	219	func( *i );
[37e3af4]	220	assert( *i );
[6ca154b]	221	assert(( empty( beforeStmts ) && empty( afterStmts ))
	222	\|\| ( empty( beforeDecls ) && empty( afterDecls )) );
	223
[a16764a6]	224	} catch ( SemanticErrorException &e ) {
[296b2be]	225	errors.append( e );
[134322e]	226	}
[6ca154b]	227
	228	if ( !empty( beforeDecls ) ) { splice( std::inserter( statements, i ), beforeDecls ); }
[134322e]	229	if ( !empty( beforeStmts ) ) { statements.splice( i, *beforeStmts ); }
[296b2be]	230	}
[675716e]	231	pass_visitor_stats.depth--;
[134322e]	232
[6ca154b]	233	if ( !empty( afterDecls ) ) { splice( std::back_inserter( statements ), afterDecls); }
[134322e]	234	if ( !empty( afterStmts ) ) { statements.splice( statements.end(), *afterStmts ); }
	235	if ( !errors.isEmpty() ) { throw errors; }
[296b2be]	236	}
	237
	238	template< typename pass_type >
[6ca154b]	239	void PassVisitor< pass_type >::visitStatementList( std::list< Statement * > & statements ) {
	240	handleStatementList( statements, [this]( Statement * stmt) {
[3c398b6]	241	maybeAccept_impl( stmt, *this );
[6ca154b]	242	});
	243	}
[134322e]	244
[6ca154b]	245	template< typename pass_type >
	246	void PassVisitor< pass_type >::mutateStatementList( std::list< Statement * > & statements ) {
	247	handleStatementList( statements, [this]( Statement *& stmt) {
[3c398b6]	248	maybeMutate_impl( stmt, *this );
[6ca154b]	249	});
[134322e]	250	}
	251
[6ca154b]	252
[134322e]	253	template< typename pass_type >
[6ca154b]	254	template< typename func_t >
	255	Statement * PassVisitor< pass_type >::handleStatement( Statement * stmt, func_t func ) {
[3c398b6]	256	if ( ! get_visit_children() ) return stmt;
	257
[134322e]	258	// don't want statements from outer CompoundStmts to be added to this CompoundStmt
[02fdb8e]	259	ValueGuardPtr< typename std::remove_pointer<decltype(get_env_ptr())>::type > oldEnv( get_env_ptr() );
[6ca154b]	260	ValueGuardPtr< DeclList_t > oldBeforeDecls( get_beforeDecls() );
	261	ValueGuardPtr< DeclList_t > oldAfterDecls ( get_afterDecls () );
	262	ValueGuardPtr< StmtList_t > oldBeforeStmts( get_beforeStmts() );
	263	ValueGuardPtr< StmtList_t > oldAfterStmts ( get_afterStmts () );
[296b2be]	264
[6ca154b]	265	Statement *newStmt = func( stmt );
[134322e]	266
	267	StmtList_t* beforeStmts = get_beforeStmts();
	268	StmtList_t* afterStmts = get_afterStmts();
[6ca154b]	269	DeclList_t* beforeDecls = get_beforeDecls();
	270	DeclList_t* afterDecls = get_afterDecls();
[134322e]	271
[6ca154b]	272	if( empty(beforeStmts) && empty(afterStmts) && empty(beforeDecls) && empty(afterDecls) ) { return newStmt; }
	273	assert(( empty( beforeStmts ) && empty( afterStmts ))
	274	\|\| ( empty( beforeDecls ) && empty( afterDecls )) );
[134322e]	275
[ba3706f]	276	CompoundStmt *compound = new CompoundStmt();
[6ca154b]	277	if( !empty(beforeDecls) ) { splice( std::back_inserter( compound->get_kids() ), beforeDecls ); }
[134322e]	278	if( !empty(beforeStmts) ) { compound->get_kids().splice( compound->get_kids().end(), *beforeStmts ); }
	279	compound->get_kids().push_back( newStmt );
[6ca154b]	280	if( !empty(afterDecls) ) { splice( std::back_inserter( compound->get_kids() ), afterDecls ); }
[134322e]	281	if( !empty(afterStmts) ) { compound->get_kids().splice( compound->get_kids().end(), *afterStmts ); }
	282	return compound;
	283	}
	284
	285	template< typename pass_type >
[6ca154b]	286	Statement * PassVisitor< pass_type >::visitStatement( Statement * stmt ) {
	287	return handleStatement( stmt, [this]( Statement * stmt ) {
[3c398b6]	288	maybeAccept_impl( stmt, *this );
[6ca154b]	289	return stmt;
	290	});
	291	}
[134322e]	292
[6ca154b]	293	template< typename pass_type >
	294	Statement * PassVisitor< pass_type >::mutateStatement( Statement * stmt ) {
	295	return handleStatement( stmt, [this]( Statement * stmt ) {
[3c398b6]	296	maybeMutate_impl( stmt, *this );
	297	return stmt;
[6ca154b]	298	});
[296b2be]	299	}
	300
	301	template< typename pass_type >
[6ca154b]	302	template< typename func_t >
	303	Expression * PassVisitor< pass_type >::handleExpression( Expression * expr, func_t func ) {
[3c398b6]	304	if ( ! get_visit_children() ) return expr;
[296b2be]	305	if( !expr ) return nullptr;
	306
[134322e]	307	auto env_ptr = get_env_ptr();
	308	if ( env_ptr && expr->get_env() ) {
	309	*env_ptr = expr->get_env();
[296b2be]	310	}
[6ca154b]	311
[3c398b6]	312	// should env be moved onto the result of the mutate?
[6ca154b]	313	return func( expr );
	314	}
	315
	316	template< typename pass_type >
	317	Expression * PassVisitor< pass_type >::visitExpression( Expression * expr ) {
	318	return handleExpression(expr, [this]( Expression * expr ) {
[3c398b6]	319	maybeAccept_impl( expr, *this );
[6ca154b]	320	return expr;
[d24d4e1]	321	});
[296b2be]	322	}
[ab904dc]	323
[6ca154b]	324	template< typename pass_type >
	325	Expression * PassVisitor< pass_type >::mutateExpression( Expression * expr ) {
	326	return handleExpression(expr, [this]( Expression * expr ) {
[3c398b6]	327	maybeMutate_impl( expr, *this );
	328	return expr;
[6ca154b]	329	});
	330	}
[ab904dc]	331
[3c398b6]	332	template< typename TreeType, typename VisitorType >
	333	inline void indexerScopedAccept( TreeType * tree, VisitorType & visitor ) {
	334	if ( ! visitor.get_visit_children() ) return;
	335	auto guard = makeFuncGuard(
	336	[&visitor]() { visitor.indexerScopeEnter(); },
	337	[&visitor]() { visitor.indexerScopeLeave(); }
	338	);
	339	maybeAccept_impl( tree, visitor );
	340	}
	341
	342	template< typename TreeType, typename MutatorType >
	343	inline void indexerScopedMutate( TreeType *& tree, MutatorType & mutator ) {
	344	if ( ! mutator.get_visit_children() ) return;
	345	auto guard = makeFuncGuard(
	346	[&mutator]() { mutator.indexerScopeEnter(); },
	347	[&mutator]() { mutator.indexerScopeLeave(); }
	348	);
	349	maybeMutate_impl( tree, mutator );
	350	}
	351
[296b2be]	352	//------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[e0886db]	353	//========================================================================================================================================================================
	354	//========================================================================================================================================================================
	355	//========================================================================================================================================================================
	356	//========================================================================================================================================================================
	357	//========================================================================================================================================================================
	358	//------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[13932f14]	359
[33a25f9]	360	// A NOTE ON THE ORDER OF TRAVERSAL
	361	//
	362	// Types and typedefs have their base types visited before they are added to the type table. This is ok, since there is
	363	// no such thing as a recursive type or typedef.
	364	//
	365	// typedef struct { T *x; } T; // never allowed
	366	//
	367	// for structs/unions, it is possible to have recursion, so the decl should be added as if it's incomplete to begin, the
	368	// members are traversed, and then the complete type should be added (assuming the type is completed by this particular
	369	// declaration).
	370	//
	371	// struct T { struct T *x; }; // allowed
	372	//
	373	// It is important to add the complete type to the symbol table after the members/base has been traversed, since that
	374	// traversal may modify the definition of the type and these modifications should be visible when the symbol table is
	375	// queried later in this pass.
	376	//
	377	// TODO: figure out whether recursive contexts are sensible/possible/reasonable.
[e0886db]	378
	379	//--------------------------------------------------------------------------
	380	// ObjectDecl
[13932f14]	381	template< typename pass_type >
[ab904dc]	382	void PassVisitor< pass_type >::visit( ObjectDecl * node ) {
[e0886db]	383	VISIT_START( node );
	384
	385	indexerScopedAccept( node->type , *this );
[3c398b6]	386	maybeAccept_impl ( node->init , *this );
	387	maybeAccept_impl ( node->bitfieldWidth, *this );
	388	maybeAccept_impl ( node->attributes , *this );
[e0886db]	389
[2cb70aa]	390	indexerAddId( node );
[e0886db]	391
	392	VISIT_END( node );
	393	}
	394
	395	template< typename pass_type >
	396	DeclarationWithType * PassVisitor< pass_type >::mutate( ObjectDecl * node ) {
	397	MUTATE_START( node );
	398
	399	indexerScopedMutate( node->type , *this );
[3c398b6]	400	maybeMutate_impl ( node->init , *this );
	401	maybeMutate_impl ( node->bitfieldWidth, *this );
	402	maybeMutate_impl ( node->attributes , *this );
[e0886db]	403
[2cb70aa]	404	indexerAddId( node );
[e0886db]	405
	406	MUTATE_END( DeclarationWithType, node );
[13932f14]	407	}
	408
[e0886db]	409	//--------------------------------------------------------------------------
	410	// FunctionDecl
[13932f14]	411	template< typename pass_type >
[ab904dc]	412	void PassVisitor< pass_type >::visit( FunctionDecl * node ) {
[e0886db]	413	VISIT_START( node );
	414
[2cb70aa]	415	indexerAddId( node );
[e0886db]	416
[7aaec67]	417	maybeAccept_impl( node->withExprs, *this );
[e0886db]	418	{
[2cb70aa]	419	// with clause introduces a level of scope (for the with expression members).
	420	// with clause exprs are added to the indexer before parameters so that parameters
	421	// shadow with exprs and not the other way around.
[e0886db]	422	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[0ac366b]	423	indexerAddWith( node->withExprs, node );
[7aaec67]	424	{
	425	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
	426	// implicit add __func__ identifier as specified in the C manual 6.4.2.2
	427	static ObjectDecl func(
	428	"__func__", noStorageClasses, LinkageSpec::C, nullptr,
	429	new ArrayType( Type::Qualifiers(), new BasicType( Type::Qualifiers( Type::Const ), BasicType::Char ), nullptr, true, false ),
	430	nullptr
	431	);
	432	indexerAddId( &func );
	433	maybeAccept_impl( node->type, *this );
[61d9b4b]	434	// function body needs to have the same scope as parameters - CompoundStmt will not enter
	435	// a new scope if inFunction is true
	436	ValueGuard< bool > oldInFunction( inFunction );
	437	inFunction = true;
[7aaec67]	438	maybeAccept_impl( node->statements, *this );
	439	maybeAccept_impl( node->attributes, *this );
	440	}
[e0886db]	441	}
	442
	443	VISIT_END( node );
	444	}
	445
	446	template< typename pass_type >
	447	DeclarationWithType * PassVisitor< pass_type >::mutate( FunctionDecl * node ) {
	448	MUTATE_START( node );
	449
[2cb70aa]	450	indexerAddId( node );
[e0886db]	451
	452	{
[2cb70aa]	453	// with clause introduces a level of scope (for the with expression members).
	454	// with clause exprs are added to the indexer before parameters so that parameters
	455	// shadow with exprs and not the other way around.
[e0886db]	456	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[0ac366b]	457	indexerAddWith( node->withExprs, node );
[7aaec67]	458	{
	459	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
	460	// implicit add __func__ identifier as specified in the C manual 6.4.2.2
	461	static ObjectDecl func(
	462	"__func__", noStorageClasses, LinkageSpec::C, nullptr,
	463	new ArrayType( Type::Qualifiers(), new BasicType( Type::Qualifiers( Type::Const ), BasicType::Char ), nullptr, true, false ),
	464	nullptr
	465	);
	466	indexerAddId( &func );
	467	maybeMutate_impl( node->type, *this );
[61d9b4b]	468	// function body needs to have the same scope as parameters - CompoundStmt will not enter
	469	// a new scope if inFunction is true
	470	ValueGuard< bool > oldInFunction( inFunction );
	471	inFunction = true;
[7aaec67]	472	maybeMutate_impl( node->statements, *this );
	473	maybeMutate_impl( node->attributes, *this );
	474	}
[e0886db]	475	}
	476
	477	MUTATE_END( DeclarationWithType, node );
[13932f14]	478	}
	479
[e0886db]	480	//--------------------------------------------------------------------------
	481	// StructDecl
[13932f14]	482	template< typename pass_type >
[ab904dc]	483	void PassVisitor< pass_type >::visit( StructDecl * node ) {
[e0886db]	484	VISIT_START( node );
	485
	486	// make up a forward declaration and add it before processing the members
	487	// needs to be on the heap because addStruct saves the pointer
	488	indexerAddStructFwd( node );
	489
	490	{
	491	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	492	maybeAccept_impl( node->parameters, *this );
	493	maybeAccept_impl( node->members , *this );
[e0886db]	494	}
	495
	496	// this addition replaces the forward declaration
	497	indexerAddStruct( node );
	498
	499	VISIT_END( node );
	500	}
	501
	502	template< typename pass_type >
	503	Declaration * PassVisitor< pass_type >::mutate( StructDecl * node ) {
	504	MUTATE_START( node );
	505
	506	// make up a forward declaration and add it before processing the members
	507	// needs to be on the heap because addStruct saves the pointer
	508	indexerAddStructFwd( node );
	509
	510	{
	511	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	512	maybeMutate_impl( node->parameters, *this );
	513	maybeMutate_impl( node->members , *this );
[e0886db]	514	}
	515
	516	// this addition replaces the forward declaration
	517	indexerAddStruct( node );
	518
	519	MUTATE_END( Declaration, node );
[13932f14]	520	}
	521
[e0886db]	522	//--------------------------------------------------------------------------
	523	// UnionDecl
[13932f14]	524	template< typename pass_type >
[ab904dc]	525	void PassVisitor< pass_type >::visit( UnionDecl * node ) {
[e0886db]	526	VISIT_START( node );
	527
	528	// make up a forward declaration and add it before processing the members
	529	indexerAddUnionFwd( node );
	530
	531	{
	532	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	533	maybeAccept_impl( node->parameters, *this );
	534	maybeAccept_impl( node->members , *this );
[e0886db]	535	}
	536
	537	indexerAddUnion( node );
	538
	539	VISIT_END( node );
	540	}
	541
	542	template< typename pass_type >
	543	Declaration * PassVisitor< pass_type >::mutate( UnionDecl * node ) {
	544	MUTATE_START( node );
	545
	546	// make up a forward declaration and add it before processing the members
	547	indexerAddUnionFwd( node );
	548
	549	{
	550	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	551	maybeMutate_impl( node->parameters, *this );
	552	maybeMutate_impl( node->members , *this );
[e0886db]	553	}
	554
	555	indexerAddUnion( node );
	556
	557	MUTATE_END( Declaration, node );
[13932f14]	558	}
	559
[e0886db]	560	//--------------------------------------------------------------------------
	561	// EnumDecl
[13932f14]	562	template< typename pass_type >
[ab904dc]	563	void PassVisitor< pass_type >::visit( EnumDecl * node ) {
[e0886db]	564	VISIT_START( node );
	565
	566	indexerAddEnum( node );
	567
[33a25f9]	568	// unlike structs, traits, and unions, enums inject their members into the global scope
[3c398b6]	569	maybeAccept_impl( node->parameters, *this );
	570	maybeAccept_impl( node->members , *this );
[e0886db]	571
	572	VISIT_END( node );
[13932f14]	573	}
	574
[e0886db]	575	template< typename pass_type >
	576	Declaration * PassVisitor< pass_type >::mutate( EnumDecl * node ) {
	577	MUTATE_START( node );
	578
	579	indexerAddEnum( node );
	580
[522363e]	581	// unlike structs, traits, and unions, enums inject their members into the global scope
[3c398b6]	582	maybeMutate_impl( node->parameters, *this );
	583	maybeMutate_impl( node->members , *this );
[e0886db]	584
	585	MUTATE_END( Declaration, node );
	586	}
	587
	588	//--------------------------------------------------------------------------
	589	// TraitDecl
[13932f14]	590	template< typename pass_type >
[ab904dc]	591	void PassVisitor< pass_type >::visit( TraitDecl * node ) {
[e0886db]	592	VISIT_START( node );
	593
	594	{
	595	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	596	maybeAccept_impl( node->parameters, *this );
	597	maybeAccept_impl( node->members , *this );
[e0886db]	598	}
	599
	600	indexerAddTrait( node );
	601
	602	VISIT_END( node );
[13932f14]	603	}
	604
[e0886db]	605	template< typename pass_type >
	606	Declaration * PassVisitor< pass_type >::mutate( TraitDecl * node ) {
	607	MUTATE_START( node );
	608
	609	{
	610	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	611	maybeMutate_impl( node->parameters, *this );
	612	maybeMutate_impl( node->members , *this );
[e0886db]	613	}
	614
	615	indexerAddTrait( node );
	616
	617	MUTATE_END( Declaration, node );
	618	}
	619
	620	//--------------------------------------------------------------------------
	621	// TypeDecl
[13932f14]	622	template< typename pass_type >
[ab904dc]	623	void PassVisitor< pass_type >::visit( TypeDecl * node ) {
[e0886db]	624	VISIT_START( node );
	625
	626	{
	627	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	628	maybeAccept_impl( node->parameters, *this );
	629	maybeAccept_impl( node->base , *this );
[e0886db]	630	}
	631
[33a25f9]	632	// see A NOTE ON THE ORDER OF TRAVERSAL, above
	633	// note that assertions come after the type is added to the symtab, since they are not part of the type proper
	634	// and may depend on the type itself
[e0886db]	635	indexerAddType( node );
	636
[3c398b6]	637	maybeAccept_impl( node->assertions, *this );
[e0886db]	638
	639	indexerScopedAccept( node->init, *this );
	640
	641	VISIT_END( node );
	642	}
	643
	644	template< typename pass_type >
[982832e]	645	Declaration * PassVisitor< pass_type >::mutate( TypeDecl * node ) {
[e0886db]	646	MUTATE_START( node );
	647
	648	{
	649	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	650	maybeMutate_impl( node->parameters, *this );
	651	maybeMutate_impl( node->base , *this );
[e0886db]	652	}
	653
[33a25f9]	654	// see A NOTE ON THE ORDER OF TRAVERSAL, above
	655	// note that assertions come after the type is added to the symtab, since they are not part of the type proper
	656	// and may depend on the type itself
[e0886db]	657	indexerAddType( node );
	658
[3c398b6]	659	maybeMutate_impl( node->assertions, *this );
[e0886db]	660
	661	indexerScopedMutate( node->init, *this );
	662
[982832e]	663	MUTATE_END( Declaration, node );
[13932f14]	664	}
	665
[e0886db]	666	//--------------------------------------------------------------------------
	667	// TypedefDecl
[13932f14]	668	template< typename pass_type >
[ab904dc]	669	void PassVisitor< pass_type >::visit( TypedefDecl * node ) {
[e0886db]	670	VISIT_START( node );
	671
	672	{
	673	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	674	maybeAccept_impl( node->parameters, *this );
	675	maybeAccept_impl( node->base , *this );
[e0886db]	676	}
	677
	678	indexerAddType( node );
	679
[3c398b6]	680	maybeAccept_impl( node->assertions, *this );
[e0886db]	681
	682	VISIT_END( node );
[13932f14]	683	}
	684
	685	template< typename pass_type >
[e0886db]	686	Declaration * PassVisitor< pass_type >::mutate( TypedefDecl * node ) {
	687	MUTATE_START( node );
	688
	689	{
	690	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	691	maybeMutate_impl( node->parameters, *this );
	692	maybeMutate_impl( node->base , *this );
[e0886db]	693	}
	694
	695	indexerAddType( node );
	696
[3c398b6]	697	maybeMutate_impl( node->assertions, *this );
[e0886db]	698
	699	MUTATE_END( Declaration, node );
[13932f14]	700	}
	701
[9c1600c]	702	//--------------------------------------------------------------------------
[e0886db]	703	// AsmDecl
[13932f14]	704	template< typename pass_type >
[e0886db]	705	void PassVisitor< pass_type >::visit( AsmDecl * node ) {
[9c1600c]	706	VISIT_START( node );
	707
[3c398b6]	708	maybeAccept_impl( node->stmt, *this );
[9c1600c]	709
	710	VISIT_END( node );
[13932f14]	711	}
	712
[296b2be]	713	template< typename pass_type >
[e0886db]	714	AsmDecl * PassVisitor< pass_type >::mutate( AsmDecl * node ) {
[296b2be]	715	MUTATE_START( node );
	716
[3c398b6]	717	maybeMutate_impl( node->stmt, *this );
[e0886db]	718
	719	MUTATE_END( AsmDecl, node );
	720	}
	721
[f6e3e34]	722	//--------------------------------------------------------------------------
	723	// StaticAssertDecl
	724	template< typename pass_type >
	725	void PassVisitor< pass_type >::visit( StaticAssertDecl * node ) {
	726	VISIT_START( node );
	727
[842c3d3]	728	node->condition = visitExpression( node->condition );
	729	maybeAccept_impl( node->message, *this );
[f6e3e34]	730
	731	VISIT_END( node );
	732	}
	733
	734	template< typename pass_type >
	735	StaticAssertDecl * PassVisitor< pass_type >::mutate( StaticAssertDecl * node ) {
	736	MUTATE_START( node );
	737
[842c3d3]	738	node->condition = mutateExpression( node->condition );
	739	maybeMutate_impl( node->message, *this );
[f6e3e34]	740
	741	MUTATE_END( StaticAssertDecl, node );
	742	}
	743
[e0886db]	744	//--------------------------------------------------------------------------
	745	// CompoundStmt
	746	template< typename pass_type >
	747	void PassVisitor< pass_type >::visit( CompoundStmt * node ) {
	748	VISIT_START( node );
	749	{
[61d9b4b]	750	// do not enter a new scope if inFunction is true - needs to check old state before the assignment
	751	ValueGuard< bool > oldInFunction( inFunction );
	752	auto guard1 = makeFuncGuard( [this, &oldInFunction]() { if ( ! oldInFunction.old ) indexerScopeEnter(); }, [this, &oldInFunction]() { if ( ! oldInFunction.old ) indexerScopeLeave(); } );
[e0886db]	753	auto guard2 = makeFuncGuard( [this]() { call_beginScope(); }, [this]() { call_endScope(); } );
[61d9b4b]	754	inFunction = false;
[e0886db]	755	visitStatementList( node->kids );
	756	}
	757	VISIT_END( node );
	758	}
[296b2be]	759
[e0886db]	760	template< typename pass_type >
	761	CompoundStmt * PassVisitor< pass_type >::mutate( CompoundStmt * node ) {
	762	MUTATE_START( node );
	763	{
[61d9b4b]	764	// do not enter a new scope if inFunction is true - needs to check old state before the assignment
	765	ValueGuard< bool > oldInFunction( inFunction );
	766	auto guard1 = makeFuncGuard( [this, &oldInFunction]() { if ( ! oldInFunction.old ) indexerScopeEnter(); }, [this, &oldInFunction]() { if ( ! oldInFunction.old ) indexerScopeLeave(); } );
[e0886db]	767	auto guard2 = makeFuncGuard( [this]() { call_beginScope(); }, [this]() { call_endScope(); } );
[61d9b4b]	768	inFunction = false;
[e0886db]	769	mutateStatementList( node->kids );
	770	}
[296b2be]	771	MUTATE_END( CompoundStmt, node );
	772	}
	773
[9c1600c]	774	//--------------------------------------------------------------------------
	775	// ExprStmt
[13932f14]	776	template< typename pass_type >
[ab904dc]	777	void PassVisitor< pass_type >::visit( ExprStmt * node ) {
[9c1600c]	778	VISIT_START( node );
	779
[e0886db]	780	visitExpression( node->expr );
[9c1600c]	781
	782	VISIT_END( node );
[13932f14]	783	}
	784
[296b2be]	785	template< typename pass_type >
	786	Statement * PassVisitor< pass_type >::mutate( ExprStmt * node ) {
	787	MUTATE_START( node );
	788
[e0886db]	789	node->expr = mutateExpression( node->expr );
[296b2be]	790
	791	MUTATE_END( Statement, node );
	792	}
	793
[6ca154b]	794	//--------------------------------------------------------------------------
	795	// AsmStmt
[13932f14]	796	template< typename pass_type >
[ab904dc]	797	void PassVisitor< pass_type >::visit( AsmStmt * node ) {
[bc6f918]	798	VISIT_START( node )
	799
	800	maybeAccept_impl( node->instruction, *this );
	801	maybeAccept_impl( node->output, *this );
	802	maybeAccept_impl( node->input, *this );
	803	maybeAccept_impl( node->clobber, *this );
	804
	805	VISIT_END( node );
[13932f14]	806	}
	807
[6ca154b]	808	template< typename pass_type >
	809	Statement * PassVisitor< pass_type >::mutate( AsmStmt * node ) {
[bc6f918]	810	MUTATE_START( node );
	811
	812	maybeMutate_impl( node->instruction, *this );
	813	maybeMutate_impl( node->output, *this );
	814	maybeMutate_impl( node->input, *this );
	815	maybeMutate_impl( node->clobber, *this );
	816
	817	MUTATE_END( Statement, node );
[6ca154b]	818	}
	819
[cc32d83]	820	//--------------------------------------------------------------------------
	821	// AsmStmt
	822	template< typename pass_type >
	823	void PassVisitor< pass_type >::visit( DirectiveStmt * node ) {
	824	VISIT_START( node )
	825
	826	VISIT_END( node );
	827	}
	828
	829	template< typename pass_type >
	830	Statement * PassVisitor< pass_type >::mutate( DirectiveStmt * node ) {
	831	MUTATE_START( node );
	832
	833	MUTATE_END( Statement, node );
	834	}
	835
[9c1600c]	836	//--------------------------------------------------------------------------
	837	// IfStmt
[13932f14]	838	template< typename pass_type >
[ab904dc]	839	void PassVisitor< pass_type >::visit( IfStmt * node ) {
[4551a6e]	840	VISIT_START( node );
[33a25f9]	841	{
	842	// if statements introduce a level of scope (for the initialization)
	843	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	844	maybeAccept_impl( node->get_initialization(), *this );
	845	visitExpression ( node->condition );
[33a25f9]	846	node->thenPart = visitStatement( node->thenPart );
	847	node->elsePart = visitStatement( node->elsePart );
	848	}
[9c1600c]	849	VISIT_END( node );
[13932f14]	850	}
	851
[296b2be]	852	template< typename pass_type >
	853	Statement * PassVisitor< pass_type >::mutate( IfStmt * node ) {
[4551a6e]	854	MUTATE_START( node );
[e0886db]	855	{
[33a25f9]	856	// if statements introduce a level of scope (for the initialization)
[e0886db]	857	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	858	maybeMutate_impl( node->get_initialization(), *this );
[e0886db]	859	node->condition = mutateExpression( node->condition );
	860	node->thenPart = mutateStatement ( node->thenPart );
	861	node->elsePart = mutateStatement ( node->elsePart );
	862	}
[296b2be]	863	MUTATE_END( Statement, node );
	864	}
	865
[9c1600c]	866	//--------------------------------------------------------------------------
	867	// WhileStmt
[13932f14]	868	template< typename pass_type >
[ab904dc]	869	void PassVisitor< pass_type >::visit( WhileStmt * node ) {
[4551a6e]	870	VISIT_START( node );
[9c1600c]	871
[ee3c93d]	872	{
	873	// while statements introduce a level of scope (for the initialization)
	874	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
	875	maybeAccept_impl( node->initialization, *this );
	876	visitExpression ( node->condition );
	877	node->body = visitStatement( node->body );
	878	}
[9c1600c]	879
	880	VISIT_END( node );
[13932f14]	881	}
	882
[296b2be]	883	template< typename pass_type >
	884	Statement * PassVisitor< pass_type >::mutate( WhileStmt * node ) {
[4551a6e]	885	MUTATE_START( node );
[296b2be]	886
[ee3c93d]	887	{
	888	// while statements introduce a level of scope (for the initialization)
	889	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
	890	maybeMutate_impl( node->initialization, *this );
	891	node->condition = mutateExpression( node->condition );
	892	node->body = mutateStatement ( node->body );
	893	}
	894
[296b2be]	895
	896	MUTATE_END( Statement, node );
	897	}
	898
[9c1600c]	899	//--------------------------------------------------------------------------
[6ca154b]	900	// ForStmt
[13932f14]	901	template< typename pass_type >
[ab904dc]	902	void PassVisitor< pass_type >::visit( ForStmt * node ) {
[4551a6e]	903	VISIT_START( node );
[e0886db]	904	{
[33a25f9]	905	// for statements introduce a level of scope (for the initialization)
[e0886db]	906	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	907	maybeAccept_impl( node->initialization, *this );
[e0886db]	908	visitExpression( node->condition );
	909	visitExpression( node->increment );
	910	node->body = visitStatement( node->body );
	911	}
[9c1600c]	912	VISIT_END( node );
[13932f14]	913	}
	914
[296b2be]	915	template< typename pass_type >
	916	Statement * PassVisitor< pass_type >::mutate( ForStmt * node ) {
[4551a6e]	917	MUTATE_START( node );
[e0886db]	918	{
[33a25f9]	919	// for statements introduce a level of scope (for the initialization)
[e0886db]	920	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	921	maybeMutate_impl( node->initialization, *this );
[e0886db]	922	node->condition = mutateExpression( node->condition );
	923	node->increment = mutateExpression( node->increment );
	924	node->body = mutateStatement ( node->body );
	925	}
[296b2be]	926	MUTATE_END( Statement, node );
	927	}
	928
[9c1600c]	929	//--------------------------------------------------------------------------
	930	// SwitchStmt
[13932f14]	931	template< typename pass_type >
[ab904dc]	932	void PassVisitor< pass_type >::visit( SwitchStmt * node ) {
[4551a6e]	933	VISIT_START( node );
[9c1600c]	934
[e0886db]	935	visitExpression ( node->condition );
	936	visitStatementList( node->statements );
[9c1600c]	937
	938	VISIT_END( node );
[13932f14]	939	}
	940
[296b2be]	941	template< typename pass_type >
	942	Statement * PassVisitor< pass_type >::mutate( SwitchStmt * node ) {
[4551a6e]	943	MUTATE_START( node );
	944
[e0886db]	945	node->condition = mutateExpression( node->condition );
	946	mutateStatementList( node->statements );
[4551a6e]	947
[296b2be]	948	MUTATE_END( Statement, node );
	949	}
	950
[9c1600c]	951	//--------------------------------------------------------------------------
[35df560]	952	// CaseStmt
[13932f14]	953	template< typename pass_type >
[ab904dc]	954	void PassVisitor< pass_type >::visit( CaseStmt * node ) {
[4551a6e]	955	VISIT_START( node );
	956
[e0886db]	957	visitExpression ( node->condition );
	958	visitStatementList( node->stmts );
[4551a6e]	959
[9c1600c]	960	VISIT_END( node );
[13932f14]	961	}
	962
[296b2be]	963	template< typename pass_type >
	964	Statement * PassVisitor< pass_type >::mutate( CaseStmt * node ) {
[4551a6e]	965	MUTATE_START( node );
	966
[e0886db]	967	node->condition = mutateExpression( node->condition );
	968	mutateStatementList( node->stmts );
[4551a6e]	969
[296b2be]	970	MUTATE_END( Statement, node );
	971	}
	972
[6ca154b]	973	//--------------------------------------------------------------------------
	974	// BranchStmt
[13932f14]	975	template< typename pass_type >
[ab904dc]	976	void PassVisitor< pass_type >::visit( BranchStmt * node ) {
[33c0ce8]	977	VISIT_START( node );
	978	VISIT_END( node );
[13932f14]	979	}
	980
[6ca154b]	981	template< typename pass_type >
	982	Statement * PassVisitor< pass_type >::mutate( BranchStmt * node ) {
[33c0ce8]	983	MUTATE_START( node );
	984	MUTATE_END( Statement, node );
[6ca154b]	985	}
	986
[9c1600c]	987	//--------------------------------------------------------------------------
	988	// ReturnStmt
[13932f14]	989	template< typename pass_type >
[ab904dc]	990	void PassVisitor< pass_type >::visit( ReturnStmt * node ) {
[9c1600c]	991	VISIT_START( node );
	992
[e0886db]	993	visitExpression( node->expr );
[9c1600c]	994
	995	VISIT_END( node );
[13932f14]	996	}
	997
[296b2be]	998	template< typename pass_type >
	999	Statement * PassVisitor< pass_type >::mutate( ReturnStmt * node ) {
	1000	MUTATE_START( node );
	1001
[e0886db]	1002	node->expr = mutateExpression( node->expr );
[296b2be]	1003
	1004	MUTATE_END( Statement, node );
	1005	}
	1006
[6e09f211]	1007	//--------------------------------------------------------------------------
	1008	// ThrowStmt
	1009
	1010	template< typename pass_type >
	1011	void PassVisitor< pass_type >::visit( ThrowStmt * node ) {
[33c0ce8]	1012	VISIT_START( node );
	1013
	1014	maybeAccept_impl( node->expr, *this );
	1015	maybeAccept_impl( node->target, *this );
	1016
	1017	VISIT_END( node );
[6e09f211]	1018	}
	1019
	1020	template< typename pass_type >
	1021	Statement * PassVisitor< pass_type >::mutate( ThrowStmt * node ) {
[33c0ce8]	1022	MUTATE_START( node );
	1023
	1024	maybeMutate_impl( node->expr, *this );
	1025	maybeMutate_impl( node->target, *this );
	1026
	1027	MUTATE_END( Statement, node );
[6e09f211]	1028	}
	1029
[9c1600c]	1030	//--------------------------------------------------------------------------
	1031	// TryStmt
[13932f14]	1032	template< typename pass_type >
[ab904dc]	1033	void PassVisitor< pass_type >::visit( TryStmt * node ) {
[9c1600c]	1034	VISIT_START( node );
	1035
[3c398b6]	1036	maybeAccept_impl( node->block , *this );
	1037	maybeAccept_impl( node->handlers , *this );
	1038	maybeAccept_impl( node->finallyBlock, *this );
[9c1600c]	1039
	1040	VISIT_END( node );
[13932f14]	1041	}
	1042
[296b2be]	1043	template< typename pass_type >
	1044	Statement * PassVisitor< pass_type >::mutate( TryStmt * node ) {
	1045	MUTATE_START( node );
	1046
[3c398b6]	1047	maybeMutate_impl( node->block , *this );
	1048	maybeMutate_impl( node->handlers , *this );
	1049	maybeMutate_impl( node->finallyBlock, *this );
[4551a6e]	1050
[296b2be]	1051	MUTATE_END( Statement, node );
	1052	}
	1053
[9c1600c]	1054	//--------------------------------------------------------------------------
	1055	// CatchStmt
[13932f14]	1056	template< typename pass_type >
[ab904dc]	1057	void PassVisitor< pass_type >::visit( CatchStmt * node ) {
[9c1600c]	1058	VISIT_START( node );
[e0886db]	1059	{
[33a25f9]	1060	// catch statements introduce a level of scope (for the caught exception)
[e0886db]	1061	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	1062	maybeAccept_impl( node->decl, *this );
[e0886db]	1063	node->cond = visitExpression( node->cond );
	1064	node->body = visitStatement ( node->body );
	1065	}
[9c1600c]	1066	VISIT_END( node );
[13932f14]	1067	}
	1068
[296b2be]	1069	template< typename pass_type >
	1070	Statement * PassVisitor< pass_type >::mutate( CatchStmt * node ) {
	1071	MUTATE_START( node );
[e0886db]	1072	{
[33a25f9]	1073	// catch statements introduce a level of scope (for the caught exception)
[e0886db]	1074	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	1075	maybeMutate_impl( node->decl, *this );
[e0886db]	1076	node->cond = mutateExpression( node->cond );
	1077	node->body = mutateStatement ( node->body );
	1078	}
[296b2be]	1079	MUTATE_END( Statement, node );
	1080	}
	1081
[2065609]	1082	//--------------------------------------------------------------------------
	1083	// FinallyStmt
[13932f14]	1084	template< typename pass_type >
[ab904dc]	1085	void PassVisitor< pass_type >::visit( FinallyStmt * node ) {
[11b7028]	1086	VISIT_START( node );
	1087
	1088	maybeAccept_impl( node->block, *this );
	1089
	1090	VISIT_END( node );
[13932f14]	1091	}
	1092
[2065609]	1093	template< typename pass_type >
	1094	Statement * PassVisitor< pass_type >::mutate( FinallyStmt * node ) {
[11b7028]	1095	MUTATE_START( node );
	1096
	1097	maybeMutate_impl( node->block, *this );
	1098
	1099	MUTATE_END( Statement, node );
[2065609]	1100	}
	1101
	1102	//--------------------------------------------------------------------------
	1103	// WaitForStmt
	1104	template< typename pass_type >
	1105	void PassVisitor< pass_type >::visit( WaitForStmt * node ) {
[834b892]	1106	VISIT_START( node );
	1107
	1108	for( auto & clause : node->clauses ) {
	1109	maybeAccept_impl( clause.target.function, *this );
	1110	maybeAccept_impl( clause.target.arguments, *this );
	1111
	1112	maybeAccept_impl( clause.statement, *this );
	1113	maybeAccept_impl( clause.condition, *this );
	1114	}
	1115
	1116	maybeAccept_impl( node->timeout.time, *this );
	1117	maybeAccept_impl( node->timeout.statement, *this );
	1118	maybeAccept_impl( node->timeout.condition, *this );
	1119	maybeAccept_impl( node->orelse.statement, *this );
	1120	maybeAccept_impl( node->orelse.condition, *this );
	1121
	1122	VISIT_END( node );
[2065609]	1123	}
	1124
	1125	template< typename pass_type >
	1126	Statement * PassVisitor< pass_type >::mutate( WaitForStmt * node ) {
[834b892]	1127	MUTATE_START( node );
	1128
	1129	for( auto & clause : node->clauses ) {
	1130	maybeMutate_impl( clause.target.function, *this );
	1131	maybeMutate_impl( clause.target.arguments, *this );
	1132
	1133	maybeMutate_impl( clause.statement, *this );
	1134	maybeMutate_impl( clause.condition, *this );
	1135	}
	1136
	1137	maybeMutate_impl( node->timeout.time, *this );
	1138	maybeMutate_impl( node->timeout.statement, *this );
	1139	maybeMutate_impl( node->timeout.condition, *this );
	1140	maybeMutate_impl( node->orelse.statement, *this );
	1141	maybeMutate_impl( node->orelse.condition, *this );
	1142
	1143	MUTATE_END( Statement, node );
[2065609]	1144	}
	1145
[d8893ca]	1146
	1147
[61255ad]	1148	//--------------------------------------------------------------------------
	1149	// NullStmt
	1150	template< typename pass_type >
	1151	void PassVisitor< pass_type >::visit( WithStmt * node ) {
[d8893ca]	1152	VISIT_START( node );
	1153	maybeAccept_impl( node->exprs, *this );
	1154	{
	1155	// catch statements introduce a level of scope (for the caught exception)
	1156	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[0ac366b]	1157	indexerAddWith( node->exprs, node );
[d8893ca]	1158	maybeAccept_impl( node->stmt, *this );
	1159	}
	1160	VISIT_END( node );
[61255ad]	1161	}
	1162
	1163	template< typename pass_type >
	1164	Statement * PassVisitor< pass_type >::mutate( WithStmt * node ) {
[d8893ca]	1165	MUTATE_START( node );
	1166	maybeMutate_impl( node->exprs, *this );
	1167	{
	1168	// catch statements introduce a level of scope (for the caught exception)
	1169	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[0ac366b]	1170	indexerAddWith( node->exprs, node );
[d8893ca]	1171	maybeMutate_impl( node->stmt, *this );
	1172	}
	1173	MUTATE_END( Statement, node );
[61255ad]	1174	}
	1175
[2065609]	1176	//--------------------------------------------------------------------------
	1177	// NullStmt
[13932f14]	1178	template< typename pass_type >
[ab904dc]	1179	void PassVisitor< pass_type >::visit( NullStmt * node ) {
[5964127]	1180	VISIT_START( node );
	1181	VISIT_END( node );
[13932f14]	1182	}
	1183
[2065609]	1184	template< typename pass_type >
	1185	NullStmt * PassVisitor< pass_type >::mutate( NullStmt * node ) {
[5964127]	1186	MUTATE_START( node );
	1187	MUTATE_END( NullStmt, node );
[2065609]	1188	}
	1189
	1190	//--------------------------------------------------------------------------
	1191	// DeclStmt
[13932f14]	1192	template< typename pass_type >
[ab904dc]	1193	void PassVisitor< pass_type >::visit( DeclStmt * node ) {
[5964127]	1194	VISIT_START( node );
	1195
	1196	maybeAccept_impl( node->decl, *this );
	1197
	1198	VISIT_END( node );
[13932f14]	1199	}
	1200
[2065609]	1201	template< typename pass_type >
	1202	Statement * PassVisitor< pass_type >::mutate( DeclStmt * node ) {
[5964127]	1203	MUTATE_START( node );
	1204
	1205	maybeMutate_impl( node->decl, *this );
	1206
	1207	MUTATE_END( Statement, node );
[2065609]	1208	}
	1209
	1210	//--------------------------------------------------------------------------
	1211	// ImplicitCtorDtorStmt
[13932f14]	1212	template< typename pass_type >
[ab904dc]	1213	void PassVisitor< pass_type >::visit( ImplicitCtorDtorStmt * node ) {
[599fbb6]	1214	VISIT_START( node );
	1215
	1216	maybeAccept_impl( node->callStmt, *this );
	1217
	1218	VISIT_END( node );
[13932f14]	1219	}
	1220
[2065609]	1221	template< typename pass_type >
	1222	Statement * PassVisitor< pass_type >::mutate( ImplicitCtorDtorStmt * node ) {
[599fbb6]	1223	MUTATE_START( node );
	1224
	1225	maybeMutate_impl( node->callStmt, *this );
	1226
	1227	MUTATE_END( Statement, node );
[2065609]	1228	}
	1229
	1230	//--------------------------------------------------------------------------
	1231	// ApplicationExpr
[13932f14]	1232	template< typename pass_type >
[ab904dc]	1233	void PassVisitor< pass_type >::visit( ApplicationExpr * node ) {
[e0886db]	1234	VISIT_START( node );
	1235
	1236	indexerScopedAccept( node->result , *this );
[3c398b6]	1237	maybeAccept_impl ( node->function, *this );
	1238	maybeAccept_impl ( node->args , *this );
[e0886db]	1239
	1240	VISIT_END( node );
[13932f14]	1241	}
	1242
[2065609]	1243	template< typename pass_type >
	1244	Expression * PassVisitor< pass_type >::mutate( ApplicationExpr * node ) {
[e0886db]	1245	MUTATE_START( node );
	1246
	1247	indexerScopedMutate( node->env , *this );
	1248	indexerScopedMutate( node->result , *this );
[3c398b6]	1249	maybeMutate_impl ( node->function, *this );
	1250	maybeMutate_impl ( node->args , *this );
[e0886db]	1251
	1252	MUTATE_END( Expression, node );
[2065609]	1253	}
	1254
[9c1600c]	1255	//--------------------------------------------------------------------------
	1256	// UntypedExpr
[13932f14]	1257	template< typename pass_type >
[ab904dc]	1258	void PassVisitor< pass_type >::visit( UntypedExpr * node ) {
[9c1600c]	1259	VISIT_START( node );
	1260
[3c398b6]	1261	// maybeAccept_impl( node->get_env(), *this );
[e0886db]	1262	indexerScopedAccept( node->result, *this );
[2a7b3ca]	1263
[e0886db]	1264	for ( auto expr : node->args ) {
[9c1600c]	1265	visitExpression( expr );
	1266	}
	1267
	1268	VISIT_END( node );
[13932f14]	1269	}
	1270
[296b2be]	1271	template< typename pass_type >
	1272	Expression * PassVisitor< pass_type >::mutate( UntypedExpr * node ) {
	1273	MUTATE_START( node );
	1274
[e0886db]	1275	indexerScopedMutate( node->env , *this );
	1276	indexerScopedMutate( node->result, *this );
[2a7b3ca]	1277
[e0886db]	1278	for ( auto& expr : node->args ) {
[296b2be]	1279	expr = mutateExpression( expr );
	1280	}
	1281
	1282	MUTATE_END( Expression, node );
	1283	}
	1284
[e0886db]	1285	//--------------------------------------------------------------------------
	1286	// NameExpr
[13932f14]	1287	template< typename pass_type >
[ab904dc]	1288	void PassVisitor< pass_type >::visit( NameExpr * node ) {
[e0886db]	1289	VISIT_START( node );
	1290
	1291	indexerScopedAccept( node->result, *this );
	1292
	1293	VISIT_END( node );
[13932f14]	1294	}
	1295
	1296	template< typename pass_type >
[e0886db]	1297	Expression * PassVisitor< pass_type >::mutate( NameExpr * node ) {
	1298	MUTATE_START( node );
	1299
	1300	indexerScopedMutate( node->env , *this );
	1301	indexerScopedMutate( node->result, *this );
	1302
	1303	MUTATE_END( Expression, node );
[13932f14]	1304	}
	1305
[e0886db]	1306	//--------------------------------------------------------------------------
	1307	// CastExpr
[a5f0529]	1308	template< typename pass_type >
[e0886db]	1309	void PassVisitor< pass_type >::visit( CastExpr * node ) {
	1310	VISIT_START( node );
	1311
	1312	indexerScopedAccept( node->result, *this );
[3c398b6]	1313	maybeAccept_impl ( node->arg , *this );
[e0886db]	1314
	1315	VISIT_END( node );
[a5f0529]	1316	}
	1317
[13932f14]	1318	template< typename pass_type >
[e0886db]	1319	Expression * PassVisitor< pass_type >::mutate( CastExpr * node ) {
	1320	MUTATE_START( node );
	1321
	1322	indexerScopedMutate( node->env , *this );
	1323	indexerScopedMutate( node->result, *this );
[3c398b6]	1324	maybeMutate_impl ( node->arg , *this );
[e0886db]	1325
	1326	MUTATE_END( Expression, node );
[13932f14]	1327	}
	1328
[e0886db]	1329	//--------------------------------------------------------------------------
[9a705dc8]	1330	// KeywordCastExpr
	1331	template< typename pass_type >
	1332	void PassVisitor< pass_type >::visit( KeywordCastExpr * node ) {
	1333	VISIT_START( node );
	1334
	1335	indexerScopedAccept( node->result, *this );
	1336	maybeAccept_impl ( node->arg , *this );
	1337
	1338	VISIT_END( node );
	1339	}
	1340
	1341	template< typename pass_type >
	1342	Expression * PassVisitor< pass_type >::mutate( KeywordCastExpr * node ) {
	1343	MUTATE_START( node );
	1344
	1345	indexerScopedMutate( node->env , *this );
	1346	indexerScopedMutate( node->result, *this );
	1347	maybeMutate_impl ( node->arg , *this );
	1348
	1349	MUTATE_END( Expression, node );
	1350	}
	1351
	1352	//--------------------------------------------------------------------------
[e0886db]	1353	// VirtualCastExpr
[13932f14]	1354	template< typename pass_type >
[e0886db]	1355	void PassVisitor< pass_type >::visit( VirtualCastExpr * node ) {
	1356	VISIT_START( node );
	1357
	1358	indexerScopedAccept( node->result, *this );
[3c398b6]	1359	maybeAccept_impl( node->arg, *this );
[e0886db]	1360
	1361	VISIT_END( node );
[13932f14]	1362	}
	1363
	1364	template< typename pass_type >
[e0886db]	1365	Expression * PassVisitor< pass_type >::mutate( VirtualCastExpr * node ) {
	1366	MUTATE_START( node );
	1367
	1368	indexerScopedMutate( node->env , *this );
	1369	indexerScopedMutate( node->result, *this );
[3c398b6]	1370	maybeMutate_impl ( node->arg , *this );
[e0886db]	1371
	1372	MUTATE_END( Expression, node );
[13932f14]	1373	}
	1374
[e0886db]	1375	//--------------------------------------------------------------------------
	1376	// AddressExpr
[13932f14]	1377	template< typename pass_type >
[e0886db]	1378	void PassVisitor< pass_type >::visit( AddressExpr * node ) {
	1379	VISIT_START( node );
	1380
	1381	indexerScopedAccept( node->result, *this );
[3c398b6]	1382	maybeAccept_impl ( node->arg , *this );
[e0886db]	1383
	1384	VISIT_END( node );
[13932f14]	1385	}
	1386
	1387	template< typename pass_type >
[e0886db]	1388	Expression * PassVisitor< pass_type >::mutate( AddressExpr * node ) {
	1389	MUTATE_START( node );
	1390
	1391	indexerScopedMutate( node->env , *this );
	1392	indexerScopedMutate( node->result, *this );
[3c398b6]	1393	maybeMutate_impl ( node->arg , *this );
[e0886db]	1394
	1395	MUTATE_END( Expression, node );
	1396	}
	1397
	1398	//--------------------------------------------------------------------------
	1399	// LabelAddressExpr
	1400	template< typename pass_type >
	1401	void PassVisitor< pass_type >::visit( LabelAddressExpr * node ) {
	1402	VISIT_START( node );
	1403
	1404	indexerScopedAccept( node->result, *this );
	1405
	1406	VISIT_END( node );
	1407	}
	1408
	1409	template< typename pass_type >
	1410	Expression * PassVisitor< pass_type >::mutate( LabelAddressExpr * node ) {
	1411	MUTATE_START( node );
	1412
	1413	indexerScopedMutate( node->env , *this );
	1414	indexerScopedMutate( node->result, *this );
	1415
	1416	MUTATE_END( Expression, node );
	1417	}
	1418
	1419	//--------------------------------------------------------------------------
	1420	// UntypedMemberExpr
	1421	template< typename pass_type >
	1422	void PassVisitor< pass_type >::visit( UntypedMemberExpr * node ) {
	1423	VISIT_START( node );
	1424
	1425	indexerScopedAccept( node->result , *this );
[3c398b6]	1426	maybeAccept_impl ( node->aggregate, *this );
	1427	maybeAccept_impl ( node->member , *this );
[e0886db]	1428
	1429	VISIT_END( node );
[13932f14]	1430	}
	1431
[e0886db]	1432	template< typename pass_type >
	1433	Expression * PassVisitor< pass_type >::mutate( UntypedMemberExpr * node ) {
	1434	MUTATE_START( node );
	1435
	1436	indexerScopedMutate( node->env , *this );
	1437	indexerScopedMutate( node->result , *this );
[3c398b6]	1438	maybeMutate_impl ( node->aggregate, *this );
	1439	maybeMutate_impl ( node->member , *this );
[e0886db]	1440
	1441	MUTATE_END( Expression, node );
	1442	}
	1443
	1444	//--------------------------------------------------------------------------
	1445	// MemberExpr
	1446	template< typename pass_type >
	1447	void PassVisitor< pass_type >::visit( MemberExpr * node ) {
	1448	VISIT_START( node );
	1449
	1450	indexerScopedAccept( node->result , *this );
[3c398b6]	1451	maybeAccept_impl ( node->aggregate, *this );
[e0886db]	1452
	1453	VISIT_END( node );
	1454	}
	1455
	1456	template< typename pass_type >
	1457	Expression * PassVisitor< pass_type >::mutate( MemberExpr * node ) {
	1458	MUTATE_START( node );
	1459
	1460	indexerScopedMutate( node->env , *this );
	1461	indexerScopedMutate( node->result , *this );
[3c398b6]	1462	maybeMutate_impl ( node->aggregate, *this );
[e0886db]	1463
	1464	MUTATE_END( Expression, node );
	1465	}
	1466
	1467	//--------------------------------------------------------------------------
	1468	// VariableExpr
	1469	template< typename pass_type >
	1470	void PassVisitor< pass_type >::visit( VariableExpr * node ) {
	1471	VISIT_START( node );
	1472
	1473	indexerScopedAccept( node->result, *this );
	1474
	1475	VISIT_END( node );
	1476	}
	1477
	1478	template< typename pass_type >
	1479	Expression * PassVisitor< pass_type >::mutate( VariableExpr * node ) {
	1480	MUTATE_START( node );
	1481
	1482	indexerScopedMutate( node->env , *this );
	1483	indexerScopedMutate( node->result, *this );
	1484
	1485	MUTATE_END( Expression, node );
	1486	}
	1487
	1488	//--------------------------------------------------------------------------
	1489	// ConstantExpr
[13932f14]	1490	template< typename pass_type >
[ab904dc]	1491	void PassVisitor< pass_type >::visit( ConstantExpr * node ) {
[e0886db]	1492	VISIT_START( node );
	1493
	1494	indexerScopedAccept( node->result , *this );
[3c398b6]	1495	maybeAccept_impl ( &node->constant, *this );
[e0886db]	1496
	1497	VISIT_END( node );
[13932f14]	1498	}
	1499
[e0886db]	1500	template< typename pass_type >
	1501	Expression * PassVisitor< pass_type >::mutate( ConstantExpr * node ) {
	1502	MUTATE_START( node );
	1503
	1504	indexerScopedMutate( node->env , *this );
	1505	indexerScopedMutate( node->result, *this );
[3c398b6]	1506	Constant * ptr = &node->constant;
	1507	maybeMutate_impl( ptr, *this );
	1508	node->constant = *ptr;
[e0886db]	1509
	1510	MUTATE_END( Expression, node );
	1511	}
	1512
	1513	//--------------------------------------------------------------------------
	1514	// SizeofExpr
[13932f14]	1515	template< typename pass_type >
[ab904dc]	1516	void PassVisitor< pass_type >::visit( SizeofExpr * node ) {
[e0886db]	1517	VISIT_START( node );
	1518
	1519	indexerScopedAccept( node->result, *this );
	1520	if ( node->get_isType() ) {
[3c398b6]	1521	maybeAccept_impl( node->type, *this );
[e0886db]	1522	} else {
[3c398b6]	1523	maybeAccept_impl( node->expr, *this );
[e0886db]	1524	}
	1525
	1526	VISIT_END( node );
[13932f14]	1527	}
	1528
[e0886db]	1529	template< typename pass_type >
	1530	Expression * PassVisitor< pass_type >::mutate( SizeofExpr * node ) {
	1531	MUTATE_START( node );
	1532
	1533	indexerScopedMutate( node->env , *this );
	1534	indexerScopedMutate( node->result, *this );
	1535	if ( node->get_isType() ) {
[3c398b6]	1536	maybeMutate_impl( node->type, *this );
[e0886db]	1537	} else {
[3c398b6]	1538	maybeMutate_impl( node->expr, *this );
[e0886db]	1539	}
	1540
	1541	MUTATE_END( Expression, node );
	1542	}
	1543
	1544	//--------------------------------------------------------------------------
	1545	// AlignofExpr
[13932f14]	1546	template< typename pass_type >
[ab904dc]	1547	void PassVisitor< pass_type >::visit( AlignofExpr * node ) {
[e0886db]	1548	VISIT_START( node );
	1549
	1550	indexerScopedAccept( node->result, *this );
	1551	if ( node->get_isType() ) {
[3c398b6]	1552	maybeAccept_impl( node->type, *this );
[e0886db]	1553	} else {
[3c398b6]	1554	maybeAccept_impl( node->expr, *this );
[e0886db]	1555	}
	1556
	1557	VISIT_END( node );
[13932f14]	1558	}
	1559
[e0886db]	1560	template< typename pass_type >
	1561	Expression * PassVisitor< pass_type >::mutate( AlignofExpr * node ) {
	1562	MUTATE_START( node );
	1563
	1564	indexerScopedMutate( node->env , *this );
	1565	indexerScopedMutate( node->result, *this );
	1566	if ( node->get_isType() ) {
[3c398b6]	1567	maybeMutate_impl( node->type, *this );
[e0886db]	1568	} else {
[3c398b6]	1569	maybeMutate_impl( node->expr, *this );
[e0886db]	1570	}
	1571
	1572	MUTATE_END( Expression, node );
	1573	}
	1574
	1575	//--------------------------------------------------------------------------
	1576	// UntypedOffsetofExpr
[13932f14]	1577	template< typename pass_type >
[ab904dc]	1578	void PassVisitor< pass_type >::visit( UntypedOffsetofExpr * node ) {
[e0886db]	1579	VISIT_START( node );
	1580
	1581	indexerScopedAccept( node->result, *this );
[3c398b6]	1582	maybeAccept_impl ( node->type , *this );
[e0886db]	1583
	1584	VISIT_END( node );
[13932f14]	1585	}
	1586
[e0886db]	1587	template< typename pass_type >
	1588	Expression * PassVisitor< pass_type >::mutate( UntypedOffsetofExpr * node ) {
	1589	MUTATE_START( node );
	1590
	1591	indexerScopedMutate( node->env , *this );
	1592	indexerScopedMutate( node->result, *this );
[3c398b6]	1593	maybeMutate_impl ( node->type , *this );
[e0886db]	1594
	1595	MUTATE_END( Expression, node );
	1596	}
	1597
	1598	//--------------------------------------------------------------------------
	1599	// OffsetofExpr
[13932f14]	1600	template< typename pass_type >
[ab904dc]	1601	void PassVisitor< pass_type >::visit( OffsetofExpr * node ) {
[e0886db]	1602	VISIT_START( node );
	1603
	1604	indexerScopedAccept( node->result, *this );
[3c398b6]	1605	maybeAccept_impl ( node->type , *this );
[e0886db]	1606
	1607	VISIT_END( node );
[13932f14]	1608	}
	1609
[e0886db]	1610	template< typename pass_type >
	1611	Expression * PassVisitor< pass_type >::mutate( OffsetofExpr * node ) {
	1612	MUTATE_START( node );
	1613
	1614	indexerScopedMutate( node->env , *this );
	1615	indexerScopedMutate( node->result, *this );
[3c398b6]	1616	maybeMutate_impl ( node->type , *this );
[e0886db]	1617
	1618	MUTATE_END( Expression, node );
	1619	}
	1620
	1621	//--------------------------------------------------------------------------
	1622	// OffsetPackExpr
[13932f14]	1623	template< typename pass_type >
[ab904dc]	1624	void PassVisitor< pass_type >::visit( OffsetPackExpr * node ) {
[e0886db]	1625	VISIT_START( node );
	1626
	1627	indexerScopedAccept( node->result, *this );
[3c398b6]	1628	maybeAccept_impl ( node->type , *this );
[e0886db]	1629
	1630	VISIT_END( node );
[13932f14]	1631	}
	1632
[e0886db]	1633	template< typename pass_type >
	1634	Expression * PassVisitor< pass_type >::mutate( OffsetPackExpr * node ) {
	1635	MUTATE_START( node );
	1636
	1637	indexerScopedMutate( node->env , *this );
	1638	indexerScopedMutate( node->result, *this );
[3c398b6]	1639	maybeMutate_impl ( node->type , *this );
[e0886db]	1640
	1641	MUTATE_END( Expression, node );
	1642	}
	1643
	1644	//--------------------------------------------------------------------------
	1645	// AttrExpr
[13932f14]	1646	template< typename pass_type >
[ab904dc]	1647	void PassVisitor< pass_type >::visit( AttrExpr * node ) {
[e0886db]	1648	VISIT_START( node );
	1649
	1650	indexerScopedAccept( node->result, *this );
	1651	if ( node->get_isType() ) {
[3c398b6]	1652	maybeAccept_impl( node->type, *this );
[e0886db]	1653	} else {
[3c398b6]	1654	maybeAccept_impl( node->expr, *this );
[e0886db]	1655	}
	1656
	1657	VISIT_END( node );
	1658	}
	1659
	1660	template< typename pass_type >
	1661	Expression * PassVisitor< pass_type >::mutate( AttrExpr * node ) {
	1662	MUTATE_START( node );
	1663
	1664	indexerScopedMutate( node->env , *this );
	1665	indexerScopedMutate( node->result, *this );
	1666	if ( node->get_isType() ) {
[3c398b6]	1667	maybeMutate_impl( node->type, *this );
[e0886db]	1668	} else {
[3c398b6]	1669	maybeMutate_impl( node->expr, *this );
[e0886db]	1670	}
	1671
	1672	MUTATE_END( Expression, node );
[13932f14]	1673	}
	1674
[e0886db]	1675	//--------------------------------------------------------------------------
	1676	// LogicalExpr
[13932f14]	1677	template< typename pass_type >
[ab904dc]	1678	void PassVisitor< pass_type >::visit( LogicalExpr * node ) {
[e0886db]	1679	VISIT_START( node );
	1680
	1681	indexerScopedAccept( node->result, *this );
[3c398b6]	1682	maybeAccept_impl ( node->arg1 , *this );
	1683	maybeAccept_impl ( node->arg2 , *this );
[e0886db]	1684
	1685	VISIT_END( node );
	1686	}
	1687
	1688	template< typename pass_type >
	1689	Expression * PassVisitor< pass_type >::mutate( LogicalExpr * node ) {
	1690	MUTATE_START( node );
	1691
	1692	indexerScopedMutate( node->env , *this );
	1693	indexerScopedMutate( node->result, *this );
[3c398b6]	1694	maybeMutate_impl ( node->arg1 , *this );
	1695	maybeMutate_impl ( node->arg2 , *this );
[e0886db]	1696
	1697	MUTATE_END( Expression, node );
[13932f14]	1698	}
	1699
[e0886db]	1700	//--------------------------------------------------------------------------
	1701	// ConditionalExpr
[13932f14]	1702	template< typename pass_type >
[ab904dc]	1703	void PassVisitor< pass_type >::visit( ConditionalExpr * node ) {
[e0886db]	1704	VISIT_START( node );
	1705
	1706	indexerScopedAccept( node->result, *this );
[3c398b6]	1707	maybeAccept_impl ( node->arg1 , *this );
	1708	maybeAccept_impl ( node->arg2 , *this );
	1709	maybeAccept_impl ( node->arg3 , *this );
[e0886db]	1710
	1711	VISIT_END( node );
[13932f14]	1712	}
	1713
[e0886db]	1714	template< typename pass_type >
	1715	Expression * PassVisitor< pass_type >::mutate( ConditionalExpr * node ) {
	1716	MUTATE_START( node );
	1717
	1718	indexerScopedMutate( node->env , *this );
	1719	indexerScopedMutate( node->result, *this );
[3c398b6]	1720	maybeMutate_impl ( node->arg1 , *this );
	1721	maybeMutate_impl ( node->arg2 , *this );
	1722	maybeMutate_impl ( node->arg3 , *this );
[e0886db]	1723
	1724	MUTATE_END( Expression, node );
	1725	}
	1726
	1727	//--------------------------------------------------------------------------
	1728	// CommaExpr
[13932f14]	1729	template< typename pass_type >
[ab904dc]	1730	void PassVisitor< pass_type >::visit( CommaExpr * node ) {
[e0886db]	1731	VISIT_START( node );
	1732
	1733	indexerScopedAccept( node->result, *this );
[3c398b6]	1734	maybeAccept_impl ( node->arg1 , *this );
	1735	maybeAccept_impl ( node->arg2 , *this );
[e0886db]	1736
	1737	VISIT_END( node );
	1738	}
	1739
	1740	template< typename pass_type >
	1741	Expression * PassVisitor< pass_type >::mutate( CommaExpr * node ) {
	1742	MUTATE_START( node );
	1743
	1744	indexerScopedMutate( node->env , *this );
	1745	indexerScopedMutate( node->result, *this );
[3c398b6]	1746	maybeMutate_impl ( node->arg1 , *this );
	1747	maybeMutate_impl ( node->arg2 , *this );
[e0886db]	1748
	1749	MUTATE_END( Expression, node );
[13932f14]	1750	}
	1751
[e0886db]	1752	//--------------------------------------------------------------------------
	1753	// TypeExpr
[13932f14]	1754	template< typename pass_type >
[ab904dc]	1755	void PassVisitor< pass_type >::visit( TypeExpr * node ) {
[e0886db]	1756	VISIT_START( node );
	1757
	1758	indexerScopedAccept( node->result, *this );
[3c398b6]	1759	maybeAccept_impl ( node->type, *this );
[e0886db]	1760
	1761	VISIT_END( node );
[13932f14]	1762	}
	1763
[e0886db]	1764	template< typename pass_type >
	1765	Expression * PassVisitor< pass_type >::mutate( TypeExpr * node ) {
	1766	MUTATE_START( node );
	1767
	1768	indexerScopedMutate( node->env , *this );
	1769	indexerScopedMutate( node->result, *this );
[3c398b6]	1770	maybeMutate_impl ( node->type , *this );
[e0886db]	1771
	1772	MUTATE_END( Expression, node );
	1773	}
	1774
	1775	//--------------------------------------------------------------------------
	1776	// AsmExpr
[13932f14]	1777	template< typename pass_type >
[ab904dc]	1778	void PassVisitor< pass_type >::visit( AsmExpr * node ) {
[e0886db]	1779	VISIT_START( node );
	1780
	1781	indexerScopedAccept( node->result , *this );
[3c398b6]	1782	maybeAccept_impl ( node->inout , *this );
	1783	maybeAccept_impl ( node->constraint, *this );
	1784	maybeAccept_impl ( node->operand , *this );
[e0886db]	1785
	1786	VISIT_END( node );
[13932f14]	1787	}
	1788
[e0886db]	1789	template< typename pass_type >
	1790	Expression * PassVisitor< pass_type >::mutate( AsmExpr * node ) {
	1791	MUTATE_START( node );
	1792
	1793	indexerScopedMutate( node->env , *this );
	1794	indexerScopedMutate( node->result , *this );
[3c398b6]	1795	maybeMutate_impl ( node->inout , *this );
	1796	maybeMutate_impl ( node->constraint, *this );
	1797	maybeMutate_impl ( node->operand , *this );
[e0886db]	1798
	1799	MUTATE_END( Expression, node );
	1800	}
	1801
	1802	//--------------------------------------------------------------------------
	1803	// ImplicitCopyCtorExpr
[13932f14]	1804	template< typename pass_type >
[ab904dc]	1805	void PassVisitor< pass_type >::visit( ImplicitCopyCtorExpr * node ) {
[e0886db]	1806	VISIT_START( node );
	1807
	1808	indexerScopedAccept( node->result , *this );
[3c398b6]	1809	maybeAccept_impl ( node->callExpr , *this );
	1810	maybeAccept_impl ( node->tempDecls , *this );
	1811	maybeAccept_impl ( node->returnDecls, *this );
	1812	maybeAccept_impl ( node->dtors , *this );
[e0886db]	1813
	1814	VISIT_END( node );
	1815	}
	1816
	1817	template< typename pass_type >
	1818	Expression * PassVisitor< pass_type >::mutate( ImplicitCopyCtorExpr * node ) {
	1819	MUTATE_START( node );
	1820
	1821	indexerScopedMutate( node->env , *this );
	1822	indexerScopedMutate( node->result , *this );
[3c398b6]	1823	maybeMutate_impl ( node->callExpr , *this );
	1824	maybeMutate_impl ( node->tempDecls , *this );
	1825	maybeMutate_impl ( node->returnDecls, *this );
	1826	maybeMutate_impl ( node->dtors , *this );
[e0886db]	1827
	1828	MUTATE_END( Expression, node );
[13932f14]	1829	}
	1830
[e0886db]	1831	//--------------------------------------------------------------------------
	1832	// ConstructorExpr
[13932f14]	1833	template< typename pass_type >
[ab904dc]	1834	void PassVisitor< pass_type >::visit( ConstructorExpr * node ) {
[e0886db]	1835	VISIT_START( node );
	1836
	1837	indexerScopedAccept( node->result , *this );
[3c398b6]	1838	maybeAccept_impl ( node->callExpr, *this );
[e0886db]	1839
	1840	VISIT_END( node );
	1841	}
	1842
	1843	template< typename pass_type >
	1844	Expression * PassVisitor< pass_type >::mutate( ConstructorExpr * node ) {
	1845	MUTATE_START( node );
	1846
	1847	indexerScopedMutate( node->env , *this );
	1848	indexerScopedMutate( node->result , *this );
[3c398b6]	1849	maybeMutate_impl ( node->callExpr, *this );
[e0886db]	1850
	1851	MUTATE_END( Expression, node );
[13932f14]	1852	}
	1853
[e0886db]	1854	//--------------------------------------------------------------------------
	1855	// CompoundLiteralExpr
[13932f14]	1856	template< typename pass_type >
[ab904dc]	1857	void PassVisitor< pass_type >::visit( CompoundLiteralExpr * node ) {
[e0886db]	1858	VISIT_START( node );
	1859
	1860	indexerScopedAccept( node->result , *this );
[3c398b6]	1861	maybeAccept_impl ( node->initializer, *this );
[e0886db]	1862
	1863	VISIT_END( node );
[13932f14]	1864	}
	1865
[e0886db]	1866	template< typename pass_type >
	1867	Expression * PassVisitor< pass_type >::mutate( CompoundLiteralExpr * node ) {
	1868	MUTATE_START( node );
	1869
	1870	indexerScopedMutate( node->env , *this );
	1871	indexerScopedMutate( node->result , *this );
[3c398b6]	1872	maybeMutate_impl ( node->initializer, *this );
[e0886db]	1873
	1874	MUTATE_END( Expression, node );
	1875	}
	1876
	1877	//--------------------------------------------------------------------------
	1878	// RangeExpr
[13932f14]	1879	template< typename pass_type >
[ab904dc]	1880	void PassVisitor< pass_type >::visit( RangeExpr * node ) {
[e0886db]	1881	VISIT_START( node );
	1882
	1883	indexerScopedAccept( node->result, *this );
[3c398b6]	1884	maybeAccept_impl ( node->low , *this );
	1885	maybeAccept_impl ( node->high , *this );
[e0886db]	1886
	1887	VISIT_END( node );
[13932f14]	1888	}
	1889
[e0886db]	1890	template< typename pass_type >
	1891	Expression * PassVisitor< pass_type >::mutate( RangeExpr * node ) {
	1892	MUTATE_START( node );
	1893
	1894	indexerScopedMutate( node->env , *this );
	1895	indexerScopedMutate( node->result, *this );
[3c398b6]	1896	maybeMutate_impl ( node->low , *this );
	1897	maybeMutate_impl ( node->high , *this );
[e0886db]	1898
	1899	MUTATE_END( Expression, node );
	1900	}
	1901
	1902	//--------------------------------------------------------------------------
	1903	// UntypedTupleExpr
[13932f14]	1904	template< typename pass_type >
[ab904dc]	1905	void PassVisitor< pass_type >::visit( UntypedTupleExpr * node ) {
[e0886db]	1906	VISIT_START( node );
	1907
	1908	indexerScopedAccept( node->result, *this );
[3c398b6]	1909	maybeAccept_impl ( node->exprs , *this );
[e0886db]	1910
	1911	VISIT_END( node );
	1912	}
	1913
	1914	template< typename pass_type >
	1915	Expression * PassVisitor< pass_type >::mutate( UntypedTupleExpr * node ) {
	1916	MUTATE_START( node );
	1917
	1918	indexerScopedMutate( node->env , *this );
	1919	indexerScopedMutate( node->result, *this );
[3c398b6]	1920	maybeMutate_impl ( node->exprs , *this );
[e0886db]	1921
	1922	MUTATE_END( Expression, node );
	1923	}
	1924
	1925	//--------------------------------------------------------------------------
	1926	// TupleExpr
	1927	template< typename pass_type >
	1928	void PassVisitor< pass_type >::visit( TupleExpr * node ) {
	1929	VISIT_START( node );
	1930
	1931	indexerScopedAccept( node->result, *this );
[3c398b6]	1932	maybeAccept_impl ( node->exprs , *this );
[e0886db]	1933
	1934	VISIT_END( node );
	1935	}
	1936
	1937	template< typename pass_type >
	1938	Expression * PassVisitor< pass_type >::mutate( TupleExpr * node ) {
	1939	MUTATE_START( node );
	1940
	1941	indexerScopedMutate( node->env , *this );
	1942	indexerScopedMutate( node->result, *this );
[3c398b6]	1943	maybeMutate_impl ( node->exprs , *this );
[e0886db]	1944
	1945	MUTATE_END( Expression, node );
	1946	}
	1947
	1948	//--------------------------------------------------------------------------
	1949	// TupleIndexExpr
	1950	template< typename pass_type >
	1951	void PassVisitor< pass_type >::visit( TupleIndexExpr * node ) {
	1952	VISIT_START( node );
	1953
	1954	indexerScopedAccept( node->result, *this );
[3c398b6]	1955	maybeAccept_impl ( node->tuple , *this );
[e0886db]	1956
	1957	VISIT_END( node );
	1958	}
	1959
	1960	template< typename pass_type >
	1961	Expression * PassVisitor< pass_type >::mutate( TupleIndexExpr * node ) {
	1962	MUTATE_START( node );
	1963
	1964	indexerScopedMutate( node->env , *this );
	1965	indexerScopedMutate( node->result, *this );
[3c398b6]	1966	maybeMutate_impl ( node->tuple , *this );
[e0886db]	1967
	1968	MUTATE_END( Expression, node );
	1969	}
	1970
	1971	//--------------------------------------------------------------------------
	1972	// TupleAssignExpr
	1973	template< typename pass_type >
	1974	void PassVisitor< pass_type >::visit( TupleAssignExpr * node ) {
	1975	VISIT_START( node );
	1976
	1977	indexerScopedAccept( node->result , *this );
[3c398b6]	1978	maybeAccept_impl ( node->stmtExpr, *this );
[e0886db]	1979
	1980	VISIT_END( node );
[13932f14]	1981	}
	1982
	1983	template< typename pass_type >
[e0886db]	1984	Expression * PassVisitor< pass_type >::mutate( TupleAssignExpr * node ) {
	1985	MUTATE_START( node );
[13932f14]	1986
[e0886db]	1987	indexerScopedMutate( node->env , *this );
	1988	indexerScopedMutate( node->result , *this );
[3c398b6]	1989	maybeMutate_impl ( node->stmtExpr, *this );
[13932f14]	1990
[e0886db]	1991	MUTATE_END( Expression, node );
[13932f14]	1992	}
	1993
[9c1600c]	1994	//--------------------------------------------------------------------------
[e0886db]	1995	// StmtExpr
[13932f14]	1996	template< typename pass_type >
[ab904dc]	1997	void PassVisitor< pass_type >::visit( StmtExpr * node ) {
[9c1600c]	1998	VISIT_START( node );
	1999
	2000	// don't want statements from outer CompoundStmts to be added to this StmtExpr
[02fdb8e]	2001	ValueGuardPtr< typename std::remove_pointer<decltype(get_env_ptr())>::type > oldEnv( get_env_ptr() );
[9c1600c]	2002	ValueGuardPtr< std::list< Statement* > > oldBeforeStmts( get_beforeStmts() );
	2003	ValueGuardPtr< std::list< Statement* > > oldAfterStmts ( get_afterStmts () );
	2004
[e0886db]	2005	indexerScopedAccept( node->result , *this );
[3c398b6]	2006	maybeAccept_impl ( node->statements , *this );
	2007	maybeAccept_impl ( node->returnDecls, *this );
	2008	maybeAccept_impl ( node->dtors , *this );
[9c1600c]	2009
	2010	VISIT_END( node );
[13932f14]	2011	}
	2012
[296b2be]	2013	template< typename pass_type >
	2014	Expression * PassVisitor< pass_type >::mutate( StmtExpr * node ) {
	2015	MUTATE_START( node );
[4551a6e]	2016
[296b2be]	2017	// don't want statements from outer CompoundStmts to be added to this StmtExpr
[02fdb8e]	2018	ValueGuardPtr< typename std::remove_pointer<decltype(get_env_ptr())>::type > oldEnv( get_env_ptr() );
[134322e]	2019	ValueGuardPtr< std::list< Statement* > > oldBeforeStmts( get_beforeStmts() );
	2020	ValueGuardPtr< std::list< Statement* > > oldAfterStmts ( get_afterStmts () );
[296b2be]	2021
[e0886db]	2022	indexerScopedMutate( node->result , *this );
[3c398b6]	2023	maybeMutate_impl ( node->statements , *this );
	2024	maybeMutate_impl ( node->returnDecls, *this );
	2025	maybeMutate_impl ( node->dtors , *this );
[296b2be]	2026
	2027	MUTATE_END( Expression, node );
	2028	}
	2029
[e0886db]	2030	//--------------------------------------------------------------------------
	2031	// UniqueExpr
[13932f14]	2032	template< typename pass_type >
[ab904dc]	2033	void PassVisitor< pass_type >::visit( UniqueExpr * node ) {
[e0886db]	2034	VISIT_START( node );
	2035
	2036	indexerScopedAccept( node->result, *this );
[3c398b6]	2037	maybeAccept_impl ( node->expr , *this );
[e0886db]	2038
	2039	VISIT_END( node );
	2040	}
	2041
	2042	template< typename pass_type >
	2043	Expression * PassVisitor< pass_type >::mutate( UniqueExpr * node ) {
	2044	MUTATE_START( node );
	2045
	2046	indexerScopedMutate( node->env , *this );
	2047	indexerScopedMutate( node->result, *this );
[3c398b6]	2048	maybeMutate_impl ( node->expr , *this );
[e0886db]	2049
	2050	MUTATE_END( Expression, node );
[13932f14]	2051	}
	2052
[73367a8]	2053	//--------------------------------------------------------------------------
	2054	// UntypedInitExpr
	2055	template< typename pass_type >
	2056	void PassVisitor< pass_type >::visit( UntypedInitExpr * node ) {
	2057	VISIT_START( node );
	2058
	2059	indexerScopedAccept( node->result, *this );
	2060	maybeAccept_impl ( node->expr , *this );
	2061	// not currently visiting initAlts, but this doesn't matter since this node is only used in the resolver.
	2062
	2063	VISIT_END( node );
	2064	}
	2065
	2066	template< typename pass_type >
	2067	Expression * PassVisitor< pass_type >::mutate( UntypedInitExpr * node ) {
	2068	MUTATE_START( node );
	2069
	2070	indexerScopedMutate( node->env , *this );
	2071	indexerScopedMutate( node->result, *this );
	2072	maybeMutate_impl ( node->expr , *this );
	2073	// not currently visiting initAlts, but this doesn't matter since this node is only used in the resolver.
	2074
	2075	MUTATE_END( Expression, node );
	2076	}
	2077
	2078	//--------------------------------------------------------------------------
	2079	// InitExpr
	2080	template< typename pass_type >
	2081	void PassVisitor< pass_type >::visit( InitExpr * node ) {
	2082	VISIT_START( node );
	2083
	2084	indexerScopedAccept( node->result, *this );
	2085	maybeAccept_impl ( node->expr , *this );
	2086	maybeAccept_impl ( node->designation, *this );
	2087
	2088	VISIT_END( node );
	2089	}
	2090
	2091	template< typename pass_type >
	2092	Expression * PassVisitor< pass_type >::mutate( InitExpr * node ) {
	2093	MUTATE_START( node );
	2094
	2095	indexerScopedMutate( node->env , *this );
	2096	indexerScopedMutate( node->result, *this );
	2097	maybeMutate_impl ( node->expr , *this );
	2098	maybeMutate_impl ( node->designation, *this );
	2099
	2100	MUTATE_END( Expression, node );
	2101	}
	2102
[44b4114]	2103	//--------------------------------------------------------------------------
	2104	// DeletedExpr
	2105	template< typename pass_type >
	2106	void PassVisitor< pass_type >::visit( DeletedExpr * node ) {
	2107	VISIT_START( node );
	2108
	2109	indexerScopedAccept( node->result, *this );
	2110	maybeAccept_impl( node->expr, *this );
	2111	// don't visit deleteStmt, because it is a pointer to somewhere else in the tree.
	2112
	2113	VISIT_END( node );
	2114	}
	2115
	2116	template< typename pass_type >
	2117	Expression * PassVisitor< pass_type >::mutate( DeletedExpr * node ) {
	2118	MUTATE_START( node );
	2119
	2120	indexerScopedMutate( node->env, *this );
	2121	indexerScopedMutate( node->result, *this );
	2122	maybeMutate_impl( node->expr, *this );
	2123
	2124	MUTATE_END( Expression, node );
	2125	}
	2126
[0f79853]	2127	//--------------------------------------------------------------------------
	2128	// DefaultArgExpr
	2129	template< typename pass_type >
	2130	void PassVisitor< pass_type >::visit( DefaultArgExpr * node ) {
	2131	VISIT_START( node );
	2132
	2133	indexerScopedAccept( node->result, *this );
	2134	maybeAccept_impl( node->expr, *this );
	2135
	2136	VISIT_END( node );
	2137	}
	2138
	2139	template< typename pass_type >
	2140	Expression * PassVisitor< pass_type >::mutate( DefaultArgExpr * node ) {
	2141	MUTATE_START( node );
	2142
	2143	indexerScopedMutate( node->env, *this );
	2144	indexerScopedMutate( node->result, *this );
	2145	maybeMutate_impl( node->expr, *this );
	2146
	2147	MUTATE_END( Expression, node );
	2148	}
	2149
[d807ca28]	2150	//--------------------------------------------------------------------------
	2151	// GenericExpr
	2152	template< typename pass_type >
	2153	void PassVisitor< pass_type >::visit( GenericExpr * node ) {
	2154	VISIT_START( node );
	2155
	2156	indexerScopedAccept( node->result, *this );
	2157	maybeAccept_impl( node->control, *this );
	2158	for ( GenericExpr::Association & assoc : node->associations ) {
	2159	indexerScopedAccept( assoc.type, *this );
	2160	maybeAccept_impl( assoc.expr, *this );
	2161	}
	2162
	2163	VISIT_END( node );
	2164	}
	2165
	2166	template< typename pass_type >
	2167	Expression * PassVisitor< pass_type >::mutate( GenericExpr * node ) {
	2168	MUTATE_START( node );
	2169
	2170	indexerScopedMutate( node->env, *this );
	2171	indexerScopedMutate( node->result, *this );
	2172	maybeMutate_impl( node->control, *this );
	2173	for ( GenericExpr::Association & assoc : node->associations ) {
	2174	indexerScopedMutate( assoc.type, *this );
	2175	maybeMutate_impl( assoc.expr, *this );
	2176	}
	2177
	2178	MUTATE_END( Expression, node );
	2179	}
	2180
[17fc7a5]	2181	//--------------------------------------------------------------------------
	2182	// VoidType
[13932f14]	2183	template< typename pass_type >
[ab904dc]	2184	void PassVisitor< pass_type >::visit( VoidType * node ) {
[599fbb6]	2185	VISIT_START( node );
	2186
	2187	maybeAccept_impl( node->forall, *this );
	2188
	2189	VISIT_END( node );
	2190	}
	2191
	2192	template< typename pass_type >
	2193	Type * PassVisitor< pass_type >::mutate( VoidType * node ) {
	2194	MUTATE_START( node );
	2195
	2196	maybeMutate_impl( node->forall, *this );
	2197
	2198	MUTATE_END( Type, node );
[13932f14]	2199	}
	2200
[17fc7a5]	2201	//--------------------------------------------------------------------------
	2202	// BasicType
[13932f14]	2203	template< typename pass_type >
[ab904dc]	2204	void PassVisitor< pass_type >::visit( BasicType * node ) {
[17fc7a5]	2205	VISIT_START( node );
	2206
	2207	maybeAccept_impl( node->forall, *this );
	2208
	2209	VISIT_END( node );
	2210	}
	2211
	2212	template< typename pass_type >
	2213	Type * PassVisitor< pass_type >::mutate( BasicType * node ) {
	2214	MUTATE_START( node );
	2215
	2216	maybeMutate_impl( node->forall, *this );
	2217
	2218	MUTATE_END( Type, node );
[13932f14]	2219	}
	2220
[17fc7a5]	2221	//--------------------------------------------------------------------------
	2222	// PointerType
[13932f14]	2223	template< typename pass_type >
[ab904dc]	2224	void PassVisitor< pass_type >::visit( PointerType * node ) {
[17fc7a5]	2225	VISIT_START( node );
	2226
	2227	maybeAccept_impl( node->forall, *this );
[cfaf9be]	2228	// xxx - should PointerType visit/mutate dimension?
[17fc7a5]	2229	maybeAccept_impl( node->base, *this );
	2230
	2231	VISIT_END( node );
[13932f14]	2232	}
	2233
[17fc7a5]	2234	template< typename pass_type >
	2235	Type * PassVisitor< pass_type >::mutate( PointerType * node ) {
	2236	MUTATE_START( node );
	2237
	2238	maybeMutate_impl( node->forall, *this );
[cfaf9be]	2239	// xxx - should PointerType visit/mutate dimension?
[17fc7a5]	2240	maybeMutate_impl( node->base, *this );
	2241
	2242	MUTATE_END( Type, node );
	2243	}
	2244
	2245	//--------------------------------------------------------------------------
	2246	// ArrayType
[13932f14]	2247	template< typename pass_type >
[ab904dc]	2248	void PassVisitor< pass_type >::visit( ArrayType * node ) {
[17fc7a5]	2249	VISIT_START( node );
	2250
	2251	maybeAccept_impl( node->forall, *this );
	2252	maybeAccept_impl( node->dimension, *this );
	2253	maybeAccept_impl( node->base, *this );
	2254
	2255	VISIT_END( node );
[13932f14]	2256	}
	2257
[17fc7a5]	2258	template< typename pass_type >
	2259	Type * PassVisitor< pass_type >::mutate( ArrayType * node ) {
	2260	MUTATE_START( node );
	2261
	2262	maybeMutate_impl( node->forall, *this );
	2263	maybeMutate_impl( node->dimension, *this );
	2264	maybeMutate_impl( node->base, *this );
	2265
	2266	MUTATE_END( Type, node );
	2267	}
	2268
	2269	//--------------------------------------------------------------------------
	2270	// ReferenceType
[6b9b047]	2271	template< typename pass_type >
	2272	void PassVisitor< pass_type >::visit( ReferenceType * node ) {
[17fc7a5]	2273	VISIT_START( node );
	2274
	2275	maybeAccept_impl( node->forall, *this );
	2276	maybeAccept_impl( node->base, *this );
	2277
	2278	VISIT_END( node );
	2279	}
	2280
	2281	template< typename pass_type >
	2282	Type * PassVisitor< pass_type >::mutate( ReferenceType * node ) {
	2283	MUTATE_START( node );
	2284
	2285	maybeMutate_impl( node->forall, *this );
	2286	maybeMutate_impl( node->base, *this );
	2287
	2288	MUTATE_END( Type, node );
[6b9b047]	2289	}
	2290
[c5d7701]	2291	//--------------------------------------------------------------------------
	2292	// QualifiedType
	2293	template< typename pass_type >
	2294	void PassVisitor< pass_type >::visit( QualifiedType * node ) {
	2295	VISIT_START( node );
	2296
	2297	maybeAccept_impl( node->forall, *this );
[c194661]	2298	maybeAccept_impl( node->parent, *this );
	2299	maybeAccept_impl( node->child, *this );
[c5d7701]	2300
	2301	VISIT_END( node );
	2302	}
	2303
	2304	template< typename pass_type >
	2305	Type * PassVisitor< pass_type >::mutate( QualifiedType * node ) {
	2306	MUTATE_START( node );
	2307
	2308	maybeMutate_impl( node->forall, *this );
[c194661]	2309	maybeMutate_impl( node->parent, *this );
	2310	maybeMutate_impl( node->child, *this );
[c5d7701]	2311
	2312	MUTATE_END( Type, node );
	2313	}
	2314
[17fc7a5]	2315	//--------------------------------------------------------------------------
	2316	// FunctionType
[13932f14]	2317	template< typename pass_type >
[ab904dc]	2318	void PassVisitor< pass_type >::visit( FunctionType * node ) {
[17fc7a5]	2319	VISIT_START( node );
	2320
	2321	maybeAccept_impl( node->forall, *this );
	2322	maybeAccept_impl( node->returnVals, *this );
	2323	maybeAccept_impl( node->parameters, *this );
	2324
	2325	VISIT_END( node );
	2326	}
	2327
	2328	template< typename pass_type >
	2329	Type * PassVisitor< pass_type >::mutate( FunctionType * node ) {
	2330	MUTATE_START( node );
	2331
	2332	maybeMutate_impl( node->forall, *this );
	2333	maybeMutate_impl( node->returnVals, *this );
	2334	maybeMutate_impl( node->parameters, *this );
	2335
	2336	MUTATE_END( Type, node );
[13932f14]	2337	}
	2338
[e0886db]	2339	//--------------------------------------------------------------------------
	2340	// StructInstType
[13932f14]	2341	template< typename pass_type >
[ab904dc]	2342	void PassVisitor< pass_type >::visit( StructInstType * node ) {
[e0886db]	2343	VISIT_START( node );
	2344
	2345	indexerAddStruct( node->name );
	2346
	2347	{
	2348	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	2349	maybeAccept_impl( node->forall , *this );
	2350	maybeAccept_impl( node->parameters, *this );
[e0886db]	2351	}
	2352
	2353	VISIT_END( node );
	2354	}
	2355
	2356	template< typename pass_type >
	2357	Type * PassVisitor< pass_type >::mutate( StructInstType * node ) {
	2358	MUTATE_START( node );
	2359
	2360	indexerAddStruct( node->name );
	2361
	2362	{
	2363	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	2364	maybeMutate_impl( node->forall , *this );
	2365	maybeMutate_impl( node->parameters, *this );
[e0886db]	2366	}
	2367
	2368	MUTATE_END( Type, node );
[13932f14]	2369	}
	2370
[e0886db]	2371	//--------------------------------------------------------------------------
	2372	// UnionInstType
[13932f14]	2373	template< typename pass_type >
[ab904dc]	2374	void PassVisitor< pass_type >::visit( UnionInstType * node ) {
[e0886db]	2375	VISIT_START( node );
	2376
	2377	indexerAddStruct( node->name );
	2378
	2379	{
	2380	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	2381	maybeAccept_impl( node->forall , *this );
	2382	maybeAccept_impl( node->parameters, *this );
[e0886db]	2383	}
	2384
	2385	VISIT_END( node );
	2386	}
	2387
	2388	template< typename pass_type >
	2389	Type * PassVisitor< pass_type >::mutate( UnionInstType * node ) {
	2390	MUTATE_START( node );
	2391
	2392	indexerAddStruct( node->name );
	2393
	2394	{
	2395	auto guard = makeFuncGuard( [this]() { indexerScopeEnter(); }, [this]() { indexerScopeLeave(); } );
[3c398b6]	2396	maybeMutate_impl( node->forall , *this );
	2397	maybeMutate_impl( node->parameters, *this );
[e0886db]	2398	}
	2399
	2400	MUTATE_END( Type, node );
[13932f14]	2401	}
	2402
[e0886db]	2403	//--------------------------------------------------------------------------
	2404	// EnumInstType
[13932f14]	2405	template< typename pass_type >
[ab904dc]	2406	void PassVisitor< pass_type >::visit( EnumInstType * node ) {
[86e84e4]	2407	VISIT_START( node );
	2408
	2409	maybeAccept_impl( node->forall, *this );
	2410	maybeAccept_impl( node->parameters, *this );
	2411
	2412	VISIT_END( node );
[13932f14]	2413	}
	2414
[e0886db]	2415	template< typename pass_type >
	2416	Type * PassVisitor< pass_type >::mutate( EnumInstType * node ) {
[86e84e4]	2417	MUTATE_START( node );
	2418
	2419	maybeMutate_impl( node->forall, *this );
	2420	maybeMutate_impl( node->parameters, *this );
	2421
	2422	MUTATE_END( Type, node );
[e0886db]	2423	}
	2424
	2425	//--------------------------------------------------------------------------
	2426	// TraitInstType
[13932f14]	2427	template< typename pass_type >
[ab904dc]	2428	void PassVisitor< pass_type >::visit( TraitInstType * node ) {
[e0886db]	2429	VISIT_START( node );
	2430
[3c398b6]	2431	maybeAccept_impl( node->forall , *this );
	2432	maybeAccept_impl( node->parameters, *this );
[e0886db]	2433
	2434	VISIT_END( node );
	2435	}
	2436
	2437	template< typename pass_type >
	2438	Type * PassVisitor< pass_type >::mutate( TraitInstType * node ) {
	2439	MUTATE_START( node );
	2440
[3c398b6]	2441	maybeMutate_impl( node->forall , *this );
	2442	maybeMutate_impl( node->parameters, *this );
[e0886db]	2443
	2444	MUTATE_END( Type, node );
[13932f14]	2445	}
	2446
[e0886db]	2447	//--------------------------------------------------------------------------
	2448	// TypeInstType
[13932f14]	2449	template< typename pass_type >
[ab904dc]	2450	void PassVisitor< pass_type >::visit( TypeInstType * node ) {
[86e84e4]	2451	VISIT_START( node );
	2452
	2453	maybeAccept_impl( node->forall , *this );
	2454	maybeAccept_impl( node->parameters, *this );
	2455
	2456	VISIT_END( node );
	2457	}
	2458
	2459	template< typename pass_type >
	2460	Type * PassVisitor< pass_type >::mutate( TypeInstType * node ) {
	2461	MUTATE_START( node );
	2462
	2463	maybeMutate_impl( node->forall , *this );
	2464	maybeMutate_impl( node->parameters, *this );
	2465
	2466	MUTATE_END( Type, node );
[13932f14]	2467	}
	2468
[a8a2b0a]	2469	//--------------------------------------------------------------------------
	2470	// TupleType
[13932f14]	2471	template< typename pass_type >
[ab904dc]	2472	void PassVisitor< pass_type >::visit( TupleType * node ) {
[a8a2b0a]	2473	VISIT_START( node );
	2474
	2475	maybeAccept_impl( node->forall, *this );
	2476	maybeAccept_impl( node->types, *this );
	2477	maybeAccept_impl( node->members, *this );
	2478
	2479	VISIT_END( node );
[13932f14]	2480	}
	2481
[a8a2b0a]	2482	template< typename pass_type >
	2483	Type * PassVisitor< pass_type >::mutate( TupleType * node ) {
	2484	MUTATE_START( node );
	2485
	2486	maybeMutate_impl( node->forall, *this );
	2487	maybeMutate_impl( node->types, *this );
	2488	maybeMutate_impl( node->members, *this );
	2489
	2490	MUTATE_END( Type, node );
	2491	}
	2492
	2493	//--------------------------------------------------------------------------
	2494	// TypeofType
[13932f14]	2495	template< typename pass_type >
[ab904dc]	2496	void PassVisitor< pass_type >::visit( TypeofType * node ) {
[a8a2b0a]	2497	VISIT_START( node );
	2498
	2499	assert( node->expr );
	2500	maybeAccept_impl( node->expr, *this );
	2501
	2502	VISIT_END( node );
[13932f14]	2503	}
	2504
[a8a2b0a]	2505	template< typename pass_type >
	2506	Type * PassVisitor< pass_type >::mutate( TypeofType * node ) {
	2507	MUTATE_START( node );
	2508
	2509	assert( node->expr );
	2510	maybeMutate_impl( node->expr, *this );
	2511
	2512	MUTATE_END( Type, node );
	2513	}
	2514
	2515	//--------------------------------------------------------------------------
	2516	// AttrType
[13932f14]	2517	template< typename pass_type >
[ab904dc]	2518	void PassVisitor< pass_type >::visit( AttrType * node ) {
[a8a2b0a]	2519	VISIT_START( node );
	2520
	2521	if ( node->isType ) {
	2522	assert( node->type );
	2523	maybeAccept_impl( node->type, *this );
	2524	} else {
	2525	assert( node->expr );
	2526	maybeAccept_impl( node->expr, *this );
	2527	} // if
	2528
	2529	VISIT_END( node );
[13932f14]	2530	}
	2531
[a8a2b0a]	2532	template< typename pass_type >
	2533	Type * PassVisitor< pass_type >::mutate( AttrType * node ) {
	2534	MUTATE_START( node );
	2535
	2536	if ( node->isType ) {
	2537	assert( node->type );
	2538	maybeMutate_impl( node->type, *this );
	2539	} else {
	2540	assert( node->expr );
	2541	maybeMutate_impl( node->expr, *this );
	2542	} // if
	2543
	2544	MUTATE_END( Type, node );
	2545	}
	2546
	2547	//--------------------------------------------------------------------------
	2548	// VarArgsType
[13932f14]	2549	template< typename pass_type >
[ab904dc]	2550	void PassVisitor< pass_type >::visit( VarArgsType * node ) {
[a8a2b0a]	2551	VISIT_START( node );
	2552
	2553	maybeAccept_impl( node->forall, *this );
	2554
	2555	VISIT_END( node );
[13932f14]	2556	}
	2557
[a8a2b0a]	2558	template< typename pass_type >
	2559	Type * PassVisitor< pass_type >::mutate( VarArgsType * node ) {
	2560	MUTATE_START( node );
	2561
	2562	maybeMutate_impl( node->forall, *this );
	2563
	2564	MUTATE_END( Type, node );
	2565	}
	2566
	2567	//--------------------------------------------------------------------------
	2568	// ZeroType
[13932f14]	2569	template< typename pass_type >
[ab904dc]	2570	void PassVisitor< pass_type >::visit( ZeroType * node ) {
[a8a2b0a]	2571	VISIT_START( node );
	2572
	2573	maybeAccept_impl( node->forall, *this );
	2574
	2575	VISIT_END( node );
[13932f14]	2576	}
	2577
[a8a2b0a]	2578	template< typename pass_type >
	2579	Type * PassVisitor< pass_type >::mutate( ZeroType * node ) {
	2580	MUTATE_START( node );
	2581
	2582	maybeMutate_impl( node->forall, *this );
	2583
	2584	MUTATE_END( Type, node );
	2585	}
	2586
	2587	//--------------------------------------------------------------------------
	2588	// OneType
[13932f14]	2589	template< typename pass_type >
[ab904dc]	2590	void PassVisitor< pass_type >::visit( OneType * node ) {
[a8a2b0a]	2591	VISIT_START( node );
	2592
	2593	maybeAccept_impl( node->forall, *this );
	2594
	2595	VISIT_END( node );
[13932f14]	2596	}
	2597
[a8a2b0a]	2598	template< typename pass_type >
	2599	Type * PassVisitor< pass_type >::mutate( OneType * node ) {
	2600	MUTATE_START( node );
	2601
	2602	maybeMutate_impl( node->forall, *this );
	2603
	2604	MUTATE_END( Type, node );
	2605	}
	2606
[47498bd]	2607	//--------------------------------------------------------------------------
	2608	// GlobalScopeType
	2609	template< typename pass_type >
	2610	void PassVisitor< pass_type >::visit( GlobalScopeType * node ) {
	2611	VISIT_START( node );
	2612
	2613	maybeAccept_impl( node->forall, *this );
	2614
	2615	VISIT_END( node );
	2616	}
	2617
	2618	template< typename pass_type >
	2619	Type * PassVisitor< pass_type >::mutate( GlobalScopeType * node ) {
	2620	MUTATE_START( node );
	2621
	2622	maybeMutate_impl( node->forall, *this );
	2623
	2624	MUTATE_END( Type, node );
	2625	}
	2626
[a8a2b0a]	2627	//--------------------------------------------------------------------------
	2628	// Designation
[b11d8e2]	2629	template< typename pass_type >
	2630	void PassVisitor< pass_type >::visit( Designation * node ) {
	2631	VISIT_START( node );
	2632
[a8a2b0a]	2633	maybeAccept_impl( node->designators, *this );
[b11d8e2]	2634
	2635	VISIT_END( node );
	2636	}
	2637
	2638	template< typename pass_type >
	2639	Designation * PassVisitor< pass_type >::mutate( Designation * node ) {
	2640	MUTATE_START( node );
	2641
[a8a2b0a]	2642	maybeMutate_impl( node->designators, *this );
[b11d8e2]	2643
	2644	MUTATE_END( Designation, node );
	2645	}
	2646
[9c1600c]	2647	//--------------------------------------------------------------------------
[e0886db]	2648	// SingleInit
[13932f14]	2649	template< typename pass_type >
[ab904dc]	2650	void PassVisitor< pass_type >::visit( SingleInit * node ) {
[9c1600c]	2651	VISIT_START( node );
	2652
[a8a2b0a]	2653	visitExpression( node->value );
[9c1600c]	2654
	2655	VISIT_END( node );
[13932f14]	2656	}
	2657
[296b2be]	2658	template< typename pass_type >
	2659	Initializer * PassVisitor< pass_type >::mutate( SingleInit * node ) {
	2660	MUTATE_START( node );
	2661
[a8a2b0a]	2662	node->value = mutateExpression( node->value );
[296b2be]	2663
	2664	MUTATE_END( Initializer, node );
	2665	}
	2666
[a8a2b0a]	2667	//--------------------------------------------------------------------------
	2668	// ListInit
[13932f14]	2669	template< typename pass_type >
[ab904dc]	2670	void PassVisitor< pass_type >::visit( ListInit * node ) {
[a8a2b0a]	2671	VISIT_START( node );
[13932f14]	2672
[a8a2b0a]	2673	maybeAccept_impl( node->designations, *this );
	2674	maybeAccept_impl( node->initializers, *this );
[13932f14]	2675
[a8a2b0a]	2676	VISIT_END( node );
[13932f14]	2677	}
	2678
	2679	template< typename pass_type >
[a8a2b0a]	2680	Initializer * PassVisitor< pass_type >::mutate( ListInit * node ) {
	2681	MUTATE_START( node );
	2682
	2683	maybeMutate_impl( node->designations, *this );
	2684	maybeMutate_impl( node->initializers, *this );
	2685
	2686	MUTATE_END( Initializer, node );
[13932f14]	2687	}
[ab904dc]	2688
[a8a2b0a]	2689	//--------------------------------------------------------------------------
	2690	// ConstructorInit
[5ea7a22]	2691	template< typename pass_type >
[a8a2b0a]	2692	void PassVisitor< pass_type >::visit( ConstructorInit * node ) {
	2693	VISIT_START( node );
[5ea7a22]	2694
[a8a2b0a]	2695	maybeAccept_impl( node->ctor, *this );
	2696	maybeAccept_impl( node->dtor, *this );
	2697	maybeAccept_impl( node->init, *this );
[ab904dc]	2698
[a8a2b0a]	2699	VISIT_END( node );
[ab904dc]	2700	}
	2701
	2702	template< typename pass_type >
[a8a2b0a]	2703	Initializer * PassVisitor< pass_type >::mutate( ConstructorInit * node ) {
	2704	MUTATE_START( node );
[ab904dc]	2705
[a8a2b0a]	2706	maybeMutate_impl( node->ctor, *this );
	2707	maybeMutate_impl( node->dtor, *this );
	2708	maybeMutate_impl( node->init, *this );
[ab904dc]	2709
[a8a2b0a]	2710	MUTATE_END( Initializer, node );
[ab904dc]	2711	}
	2712
[a8a2b0a]	2713	//--------------------------------------------------------------------------
	2714	// Attribute
[ab904dc]	2715	template< typename pass_type >
[a8a2b0a]	2716	void PassVisitor< pass_type >::visit( Constant * node ) {
	2717	VISIT_START( node );
	2718
	2719	VISIT_END( node );
[ab904dc]	2720	}
	2721
	2722	template< typename pass_type >
[a8a2b0a]	2723	Constant * PassVisitor< pass_type >::mutate( Constant * node ) {
	2724	MUTATE_START( node );
	2725
	2726	MUTATE_END( Constant, node );
[ab904dc]	2727	}
	2728
[a8a2b0a]	2729	//--------------------------------------------------------------------------
	2730	// Attribute
[ab904dc]	2731	template< typename pass_type >
[a8a2b0a]	2732	void PassVisitor< pass_type >::visit( Attribute * node ) {
	2733	VISIT_START( node );
	2734
	2735	maybeAccept_impl( node->parameters, *this );
	2736
	2737	VISIT_END( node );
[4551a6e]	2738	}
[5ea7a22]	2739
	2740	template< typename pass_type >
	2741	Attribute * PassVisitor< pass_type >::mutate( Attribute * node ) {
[a8a2b0a]	2742	MUTATE_START( node );
	2743
	2744	maybeMutate_impl( node->parameters, *this );
	2745
	2746	MUTATE_END( Attribute, node );
[5ea7a22]	2747	}
[447c356]	2748
[a8a2b0a]	2749	//--------------------------------------------------------------------------
	2750	// TypeSubstitution
[447c356]	2751	template< typename pass_type >
	2752	TypeSubstitution * PassVisitor< pass_type >::mutate( TypeSubstitution * node ) {
	2753	MUTATE_START( node );
	2754
	2755	for ( auto & p : node->typeEnv ) {
	2756	indexerScopedMutate( p.second, *this );
	2757	}
	2758	for ( auto & p : node->varEnv ) {
	2759	indexerScopedMutate( p.second, *this );
	2760	}
	2761
	2762	MUTATE_END( TypeSubstitution, node );
	2763	}

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