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source: src/GenPoly/Box.cc @ 451665cc

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsctordeferred_resndemanglerenumforall-pointer-decaygc_noraiijacob/cs343-translationjenkins-sandboxmemorynew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newstringwith_gc

Last change on this file since 451665cc was 843054c2, checked in by Peter A. Buhr <pabuhr@…>, 9 years ago
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Rev	Line
[51587aa]	1	//
	2	// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
	3	//
	4	// The contents of this file are covered under the licence agreement in the
	5	// file "LICENCE" distributed with Cforall.
	6	//
[01aeade]	7	// Box.cc --
[51587aa]	8	//
	9	// Author : Richard C. Bilson
	10	// Created On : Mon May 18 07:44:20 2015
[01aeade]	11	// Last Modified By : Peter A. Buhr
	12	// Last Modified On : Tue May 19 07:31:41 2015
	13	// Update Count : 1
[51587aa]	14	//
[51b7345]	15
	16	#include <set>
[b1a6d6b]	17	#include <stack>
[51b7345]	18	#include <string>
	19	#include <iterator>
	20	#include <algorithm>
	21	#include <cassert>
	22
	23	#include "Box.h"
	24	#include "PolyMutator.h"
	25	#include "FindFunction.h"
	26	#include "ScrubTyVars.h"
	27
	28	#include "SynTree/Declaration.h"
	29	#include "SynTree/Type.h"
	30	#include "SynTree/Expression.h"
	31	#include "SynTree/Initializer.h"
	32	#include "SynTree/Statement.h"
	33	#include "SynTree/Mutator.h"
	34	#include "ResolvExpr/TypeEnvironment.h"
	35	#include "SymTab/Mangler.h"
	36
	37	#include "SemanticError.h"
	38	#include "UniqueName.h"
	39	#include "utility.h"
	40
	41	#include <ext/functional> // temporary
	42
	43	namespace GenPoly {
[01aeade]	44	namespace {
	45	const std::list<Label> noLabels;
	46
	47	class Pass1 : public PolyMutator {
	48	public:
	49	Pass1();
	50	virtual Expression mutate( ApplicationExpr appExpr );
	51	virtual Expression mutate( AddressExpr addrExpr );
	52	virtual Expression mutate( UntypedExpr expr );
	53	virtual DeclarationWithType* mutate( FunctionDecl *functionDecl );
	54	virtual TypeDecl mutate( TypeDecl typeDecl );
	55	virtual Expression mutate( CommaExpr commaExpr );
	56	virtual Expression mutate( ConditionalExpr condExpr );
	57	virtual Statement mutate(ReturnStmt catchStmt);
	58	virtual Type mutate( PointerType pointerType );
	59	virtual Type mutate( FunctionType pointerType );
[51b7345]	60
[01aeade]	61	virtual void doBeginScope();
	62	virtual void doEndScope();
	63	private:
	64	void passTypeVars( ApplicationExpr appExpr, std::list< Expression >::iterator &arg, const TyVarMap &exprTyVars );
	65	Expression addRetParam( ApplicationExpr appExpr, FunctionType function, Type retType, std::list< Expression *>::iterator &arg );
	66	Expression addPolyRetParam( ApplicationExpr appExpr, FunctionType function, std::string typeName, std::list< Expression >::iterator &arg );
	67	Expression applyAdapter( ApplicationExpr appExpr, FunctionType function, std::list< Expression >::iterator &arg, const TyVarMap &exprTyVars );
	68	void boxParam( Type formal, Expression &arg, const TyVarMap &exprTyVars );
	69	void boxParams( ApplicationExpr appExpr, FunctionType function, std::list< Expression *>::iterator &arg, const TyVarMap &exprTyVars );
	70	void addInferredParams( ApplicationExpr appExpr, FunctionType functionType, std::list< Expression *>::iterator &arg, const TyVarMap &tyVars );
	71	void findAssignOps( const std::list< TypeDecl *> &forall );
	72	void passAdapters( ApplicationExpr appExpr, FunctionType functionType, const TyVarMap &exprTyVars );
	73	FunctionDecl makeAdapter( FunctionType adaptee, FunctionType *realType, const std::string &mangleName, const TyVarMap &tyVars );
	74	Expression handleIntrinsics( ApplicationExpr appExpr );
	75	ObjectDecl makeTemporary( Type type );
[51b7345]	76
[01aeade]	77	std::map< std::string, DeclarationWithType *> assignOps;
	78	typedef std::map< std::string, FunctionDecl *> AdapterMap;
	79	std::stack< AdapterMap > adapters;
	80	DeclarationWithType *retval;
	81	bool useRetval;
	82	UniqueName tempNamer;
	83	};
	84
	85	class Pass2 : public PolyMutator {
	86	public:
	87	Pass2();
	88	template< typename DeclClass >
	89	DeclClass handleDecl( DeclClass decl, Type *type );
	90	virtual DeclarationWithType mutate( FunctionDecl functionDecl );
	91	virtual ObjectDecl mutate( ObjectDecl objectDecl );
	92	virtual TypeDecl mutate( TypeDecl typeDecl );
	93	virtual TypedefDecl mutate( TypedefDecl typedefDecl );
	94	virtual Type mutate( PointerType pointerType );
	95	virtual Type mutate( FunctionType funcType );
	96	private:
	97	void addAdapters( FunctionType *functionType );
[51b7345]	98
[01aeade]	99	std::map< UniqueId, std::string > adapterName;
	100	};
	101
	102	class Pass3 : public PolyMutator {
	103	public:
	104	template< typename DeclClass >
	105	DeclClass handleDecl( DeclClass decl, Type *type );
	106	virtual DeclarationWithType mutate( FunctionDecl functionDecl );
	107	virtual ObjectDecl mutate( ObjectDecl objectDecl );
	108	virtual TypedefDecl mutate( TypedefDecl objectDecl );
	109	virtual TypeDecl mutate( TypeDecl objectDecl );
	110	virtual Statement mutate( DeclStmt declStmt );
	111	virtual Type mutate( PointerType pointerType );
	112	virtual Type mutate( FunctionType funcType );
	113	private:
	114	};
	115
	116	} // anonymous namespace
	117
	118	void printAllNotBuiltin( const std::list< Declaration *>& translationUnit, std::ostream &os ) {
	119	for ( std::list< Declaration *>::const_iterator i = translationUnit.begin(); i != translationUnit.end(); ++i ) {
	120	if ( ! LinkageSpec::isBuiltin( (*i)->get_linkage() ) ) {
	121	(*i)->print( os );
	122	os << std::endl;
[6c3744e]	123	} // if
[01aeade]	124	} // for
[6c3744e]	125	}
	126
[01aeade]	127	void box( std::list< Declaration *>& translationUnit ) {
	128	Pass1 pass1;
	129	Pass2 pass2;
	130	Pass3 pass3;
	131	mutateAll( translationUnit, pass1 );
	132	mutateAll( translationUnit, pass2 );
	133	mutateAll( translationUnit, pass3 );
[6c3744e]	134	}
	135
[01aeade]	136	////////////////////////////////////////// Pass1 ////////////////////////////////////////////////////
	137
	138	namespace {
	139	std::string makeAdapterName( const std::string &mangleName ) {
	140	return "_adapter" + mangleName;
	141	}
[6c3744e]	142
[01aeade]	143	bool isPolyRet( FunctionType *function, std::string &name, const TyVarMap &otherTyVars ) {
	144	bool doTransform = false;
	145	if ( ! function->get_returnVals().empty() ) {
	146	if ( TypeInstType typeInst = dynamic_cast< TypeInstType >( function->get_returnVals().front()->get_type() ) ) {
	147
	148	// figure out if the return type is specified by a type parameter
	149	for ( std::list< TypeDecl *>::const_iterator tyVar = function->get_forall().begin(); tyVar != function->get_forall().end(); ++tyVar ) {
	150	if ( (*tyVar)->get_name() == typeInst->get_name() ) {
	151	doTransform = true;
	152	name = typeInst->get_name();
	153	break;
	154	} // if
	155	} // for
	156	if ( ! doTransform && otherTyVars.find( typeInst->get_name() ) != otherTyVars.end() ) {
	157	doTransform = true;
	158	} // if
[6c3744e]	159	} // if
	160	} // if
[01aeade]	161	return doTransform;
	162	}
[6c3744e]	163
[01aeade]	164	bool isPolyRet( FunctionType *function, std::string &name ) {
	165	TyVarMap dummyTyVars;
	166	return isPolyRet( function, name, dummyTyVars );
	167	}
[6c3744e]	168
[01aeade]	169	Pass1::Pass1()
	170	: useRetval( false ), tempNamer( "_temp" ) {
	171	}
	172
	173	bool checkAssignment( DeclarationWithType *decl, std::string &name ) {
	174	if ( decl->get_name() == "?=?" ) {
	175	if ( PointerType ptrType = dynamic_cast< PointerType >( decl->get_type() ) ) {
	176	if ( FunctionType funType = dynamic_cast< FunctionType >( ptrType->get_base() ) ) {
	177	if ( funType->get_parameters().size() == 2 ) {
	178	if ( PointerType pointer = dynamic_cast< PointerType >( funType->get_parameters().front()->get_type() ) ) {
	179	if ( TypeInstType typeInst = dynamic_cast< TypeInstType >( pointer->get_base() ) ) {
	180	name = typeInst->get_name();
	181	return true;
	182	} // if
	183	} // if
	184	} // if
	185	} // if
	186	} // if
	187	} // if
	188	return false;
	189	}
	190
	191	void Pass1::findAssignOps( const std::list< TypeDecl *> &forall ) {
	192	assignOps.clear();
	193	for ( std::list< TypeDecl *>::const_iterator i = forall.begin(); i != forall.end(); ++i ) {
	194	for ( std::list< DeclarationWithType >::const_iterator assert = (i)->get_assertions().begin(); assert != (*i)->get_assertions().end(); ++assert ) {
	195	std::string typeName;
	196	if ( checkAssignment( *assert, typeName ) ) {
	197	assignOps[ typeName ] = *assert;
	198	} // if
	199	} // for
	200	} // for
	201	}
	202
	203	DeclarationWithType *
	204	Pass1::mutate( FunctionDecl *functionDecl ) {
	205	if ( functionDecl->get_statements() ) {
	206	TyVarMap oldtyVars = scopeTyVars;
	207	DeclarationWithType *oldRetval = retval;
	208	bool oldUseRetval = useRetval;
	209
	210	retval = 0;
	211	std::string typeName;
	212	if ( isPolyRet( functionDecl->get_functionType(), typeName ) && functionDecl->get_linkage() == LinkageSpec::Cforall ) {
	213	retval = functionDecl->get_functionType()->get_returnVals().front();
[51b7345]	214
[01aeade]	215	// give names to unnamed return values
	216	if ( retval->get_name() == "" ) {
	217	retval->set_name( "_retparm" );
	218	retval->set_linkage( LinkageSpec::C );
	219	} // if
	220	} // if
	221
	222	scopeTyVars.clear();
[51b7345]	223	/// std::cerr << "clear\n";
[01aeade]	224	makeTyVarMap( functionDecl->get_functionType(), scopeTyVars );
	225	findAssignOps( functionDecl->get_functionType()->get_forall() );
	226	functionDecl->set_statements( functionDecl->get_statements()->acceptMutator( *this ) );
[51b7345]	227
[01aeade]	228	scopeTyVars = oldtyVars;
[51b7345]	229	/// std::cerr << "end FunctionDecl: ";
[6c3744e]	230	/// for ( TyVarMap::iterator i = scopeTyVars.begin(); i != scopeTyVars.end(); ++i ) {
[51b7345]	231	/// std::cerr << i->first << " ";
	232	/// }
	233	/// std::cerr << "\n";
[01aeade]	234	retval = oldRetval;
	235	useRetval = oldUseRetval;
	236	// doEndScope();
	237	} // if
	238	return functionDecl;
	239	}
[6c3744e]	240
[01aeade]	241	TypeDecl Pass1::mutate( TypeDecl typeDecl ) {
[51b7345]	242	/// std::cerr << "add " << typeDecl->get_name() << "\n";
[01aeade]	243	scopeTyVars[ typeDecl->get_name() ] = typeDecl->get_kind();
	244	return Mutator::mutate( typeDecl );
	245	}
[6c3744e]	246
[01aeade]	247	Expression Pass1::mutate( CommaExpr commaExpr ) {
	248	bool oldUseRetval = useRetval;
	249	useRetval = false;
	250	commaExpr->set_arg1( maybeMutate( commaExpr->get_arg1(), *this ) );
	251	useRetval = oldUseRetval;
	252	commaExpr->set_arg2( maybeMutate( commaExpr->get_arg2(), *this ) );
	253	return commaExpr;
	254	}
[6c3744e]	255
[01aeade]	256	Expression Pass1::mutate( ConditionalExpr condExpr ) {
	257	bool oldUseRetval = useRetval;
	258	useRetval = false;
	259	condExpr->set_arg1( maybeMutate( condExpr->get_arg1(), *this ) );
	260	useRetval = oldUseRetval;
	261	condExpr->set_arg2( maybeMutate( condExpr->get_arg2(), *this ) );
	262	condExpr->set_arg3( maybeMutate( condExpr->get_arg3(), *this ) );
	263	return condExpr;
[6c3744e]	264
[01aeade]	265	}
[6c3744e]	266
[01aeade]	267	void Pass1::passTypeVars( ApplicationExpr appExpr, std::list< Expression >::iterator &arg, const TyVarMap &exprTyVars ) {
	268	for ( TyVarMap::const_iterator tyParm = exprTyVars.begin(); tyParm != exprTyVars.end(); ++tyParm ) {
	269	ResolvExpr::EqvClass eqvClass;
	270	assert( env );
	271	if ( tyParm->second == TypeDecl::Any ) {
	272	Type *concrete = env->lookup( tyParm->first );
	273	if ( concrete ) {
	274	arg = appExpr->get_args().insert( arg, new SizeofExpr( concrete->clone() ) );
	275	arg++;
	276	} else {
	277	throw SemanticError( "unbound type variable in application ", appExpr );
	278	} // if
	279	} // if
	280	} // for
	281	}
[6c3744e]	282
[01aeade]	283	ObjectDecl Pass1::makeTemporary( Type type ) {
	284	ObjectDecl *newObj = new ObjectDecl( tempNamer.newName(), Declaration::NoStorageClass, LinkageSpec::C, 0, type, 0 );
	285	stmtsToAdd.push_back( new DeclStmt( noLabels, newObj ) );
	286	return newObj;
	287	}
[6c3744e]	288
[01aeade]	289	TypeInstType isPolyType( Type type, const TypeSubstitution *env, const TyVarMap &tyVars ) {
	290	if ( TypeInstType typeInst = dynamic_cast< TypeInstType >( type ) ) {
	291	if ( env ) {
	292	if ( Type *newType = env->lookup( typeInst->get_name() ) ) {
	293	return isPolyType( newType, env, tyVars );
	294	} // if
	295	} // if
	296	if ( tyVars.find( typeInst->get_name() ) != tyVars.end() ) {
	297	return typeInst;
	298	} else {
	299	return 0;
	300	} // if
	301	} else {
	302	return 0;
	303	} // if
	304	}
[6c3744e]	305
[01aeade]	306	Expression Pass1::addRetParam( ApplicationExpr appExpr, FunctionType function, Type retType, std::list< Expression *>::iterator &arg ) {
	307	if ( useRetval ) {
	308	assert( retval );
	309	arg = appExpr->get_args().insert( arg, new VariableExpr( retval ) );
	310	arg++;
	311	} else {
	312	ObjectDecl *newObj = makeTemporary( retType->clone() );
	313	Expression *paramExpr = new VariableExpr( newObj );
	314	if ( ! isPolyType( newObj->get_type(), env, scopeTyVars ) ) {
	315	paramExpr = new AddressExpr( paramExpr );
	316	} // if
	317	arg = appExpr->get_args().insert( arg, paramExpr );
	318	arg++;
[51b7345]	319	/// stmtsToAdd.push_back( new ExprStmt( noLabels, appExpr ) );
[01aeade]	320	CommaExpr *commaExpr = new CommaExpr( appExpr, new VariableExpr( newObj ) );
	321	commaExpr->set_env( appExpr->get_env() );
	322	appExpr->set_env( 0 );
	323	return commaExpr;
	324	} // if
	325	return appExpr;
	326	}
[6c3744e]	327
[01aeade]	328	Expression Pass1::addPolyRetParam( ApplicationExpr appExpr, FunctionType function, std::string typeName, std::list< Expression >::iterator &arg ) {
	329	ResolvExpr::EqvClass eqvClass;
	330	assert( env );
	331	Type *concrete = env->lookup( typeName );
	332	if ( concrete == 0 ) {
	333	throw SemanticError( "Unbound type variable " + typeName + " in ", appExpr );
	334	} // if
	335	return addRetParam( appExpr, function, concrete, arg );
	336	}
[6c3744e]	337
[01aeade]	338	Expression Pass1::applyAdapter( ApplicationExpr appExpr, FunctionType function, std::list< Expression >::iterator &arg, const TyVarMap &tyVars ) {
	339	Expression *ret = appExpr;
	340	if ( ! function->get_returnVals().empty() && isPolyVal( function->get_returnVals().front()->get_type(), tyVars ) ) {
	341	ret = addRetParam( appExpr, function, function->get_returnVals().front()->get_type(), arg );
	342	} // if
	343	std::string mangleName = SymTab::Mangler::mangle( function );
	344	std::string adapterName = makeAdapterName( mangleName );
[b1a6d6b]	345
[01aeade]	346	appExpr->get_args().push_front( appExpr->get_function() );
	347	appExpr->set_function( new NameExpr( adapterName ) );
[51b7345]	348
[01aeade]	349	return ret;
	350	}
[6c3744e]	351
[01aeade]	352	void Pass1::boxParam( Type param, Expression &arg, const TyVarMap &exprTyVars ) {
	353	assert( ! arg->get_results().empty() );
[a32b204]	354	/// if ( ! dynamic_cast< PointerType *>( arg->get_results().front() ) ) {
[01aeade]	355	TypeInstType typeInst = dynamic_cast< TypeInstType >( param );
	356	if ( typeInst && exprTyVars.find( typeInst->get_name() ) != exprTyVars.end() ) {
	357	if ( dynamic_cast< TypeInstType *>( arg->get_results().front() ) ) {
	358	// if the argument's type is a type parameter, we don't need to box again!
	359	return;
	360	} else if ( arg->get_results().front()->get_isLvalue() ) {
	361	// VariableExpr and MemberExpr are lvalues
	362	arg = new AddressExpr( arg );
	363	} else {
	364	ObjectDecl *newObj = new ObjectDecl( tempNamer.newName(), Declaration::NoStorageClass, LinkageSpec::C, 0, arg->get_results().front()->clone(), 0 );
	365	newObj->get_type()->get_qualifiers() = Type::Qualifiers();
	366	stmtsToAdd.push_back( new DeclStmt( noLabels, newObj ) );
	367	UntypedExpr *assign = new UntypedExpr( new NameExpr( "?=?" ) );
	368	assign->get_args().push_back( new VariableExpr( newObj ) );
	369	assign->get_args().push_back( arg );
	370	stmtsToAdd.push_back( new ExprStmt( noLabels, assign ) );
	371	arg = new AddressExpr( new VariableExpr( newObj ) );
	372	} // if
	373	} // if
[51b7345]	374	/// }
[01aeade]	375	}
[6c3744e]	376
[01aeade]	377	void addCast( Expression &actual, Type formal, const TyVarMap &tyVars ) {
	378	Type *newType = formal->clone();
	379	std::list< FunctionType *> functions;
	380	// instead of functions needing adapters, this really ought to look for
	381	// any function mentioning a polymorphic type
	382	findAndReplaceFunction( newType, functions, tyVars, needsAdapter );
	383	if ( ! functions.empty() ) {
	384	actual = new CastExpr( actual, newType );
	385	} else {
	386	delete newType;
	387	} // if
	388	}
[6c3744e]	389
[01aeade]	390	void Pass1::boxParams( ApplicationExpr appExpr, FunctionType function, std::list< Expression *>::iterator &arg, const TyVarMap &exprTyVars ) {
[51b7345]	391	/// std::cout << "function is ";
	392	/// function->print( std::cout );
[01aeade]	393	for ( std::list< DeclarationWithType *>::const_iterator param = function->get_parameters().begin(); param != function->get_parameters().end(); ++param, ++arg ) {
[51b7345]	394	/// std::cout << "parameter is ";
[b1a6d6b]	395	/// (*param)->print( std::fcout );
[51b7345]	396	/// std::cout << std::endl << "argument is ";
	397	/// (*arg)->print( std::cout );
[01aeade]	398	assert( arg != appExpr->get_args().end() );
	399	addCast( arg, (param)->get_type(), exprTyVars );
	400	boxParam( (param)->get_type(), arg, exprTyVars );
	401	} // for
	402	}
[6c3744e]	403
[01aeade]	404	void Pass1::addInferredParams( ApplicationExpr appExpr, FunctionType functionType, std::list< Expression *>::iterator &arg, const TyVarMap &tyVars ) {
	405	std::list< Expression *>::iterator cur = arg;
	406	for ( std::list< TypeDecl *>::iterator tyVar = functionType->get_forall().begin(); tyVar != functionType->get_forall().end(); ++tyVar ) {
	407	for ( std::list< DeclarationWithType >::iterator assert = (tyVar)->get_assertions().begin(); assert != (*tyVar)->get_assertions().end(); ++assert ) {
	408	InferredParams::const_iterator inferParam = appExpr->get_inferParams().find( (*assert)->get_uniqueId() );
	409	assert( inferParam != appExpr->get_inferParams().end() );
	410	Expression *newExpr = inferParam->second.expr->clone();
	411	addCast( newExpr, (*assert)->get_type(), tyVars );
	412	boxParam( (*assert)->get_type(), newExpr, tyVars );
	413	appExpr->get_args().insert( cur, newExpr );
	414	} // for
	415	} // for
	416	}
[6c3744e]	417
[01aeade]	418	void makeRetParm( FunctionType *funcType ) {
	419	DeclarationWithType *retParm = funcType->get_returnVals().front();
[6c3744e]	420
[01aeade]	421	// make a new parameter that is a pointer to the type of the old return value
	422	retParm->set_type( new PointerType( Type::Qualifiers(), retParm->get_type() ) );
	423	funcType->get_parameters().push_front( retParm );
[6c3744e]	424
[01aeade]	425	// we don't need the return value any more
	426	funcType->get_returnVals().clear();
	427	}
[6c3744e]	428
[01aeade]	429	FunctionType makeAdapterType( FunctionType adaptee, const TyVarMap &tyVars ) {
	430	// actually make the adapter type
	431	FunctionType *adapter = adaptee->clone();
	432	if ( ! adapter->get_returnVals().empty() && isPolyVal( adapter->get_returnVals().front()->get_type(), tyVars ) ) {
	433	makeRetParm( adapter );
	434	} // if
	435	adapter->get_parameters().push_front( new ObjectDecl( "", Declaration::NoStorageClass, LinkageSpec::C, 0, new PointerType( Type::Qualifiers(), new FunctionType( Type::Qualifiers(), true ) ), 0 ) );
	436	return adapter;
	437	}
[6c3744e]	438
[01aeade]	439	Expression makeAdapterArg( DeclarationWithType param, DeclarationWithType arg, DeclarationWithType realParam, const TyVarMap &tyVars ) {
	440	assert( param );
	441	assert( arg );
[51b7345]	442	/// std::cout << "arg type is ";
	443	/// arg->get_type()->print( std::cout );
	444	/// std::cout << "param type is ";
	445	/// param->get_type()->print( std::cout );
	446	/// std::cout << " tyVars are: ";
	447	/// printTyVarMap( std::cout, tyVars );
[01aeade]	448	if ( isPolyVal( realParam->get_type(), tyVars ) ) {
[6c3744e]	449	/// if ( dynamic_cast< PointerType *>( arg->get_type() ) ) {
[51b7345]	450	/// return new CastExpr( new VariableExpr( param ), arg->get_type()->clone() );
	451	/// } else {
[01aeade]	452	UntypedExpr deref = new UntypedExpr( new NameExpr( "?" ) );
	453	deref->get_args().push_back( new CastExpr( new VariableExpr( param ), new PointerType( Type::Qualifiers(), arg->get_type()->clone() ) ) );
	454	deref->get_results().push_back( arg->get_type()->clone() );
	455	return deref;
[51b7345]	456	/// }
[01aeade]	457	} // if
	458	return new VariableExpr( param );
	459	}
[6c3744e]	460
[01aeade]	461	void addAdapterParams( ApplicationExpr adapteeApp, std::list< DeclarationWithType >::iterator arg, std::list< DeclarationWithType >::iterator param, std::list< DeclarationWithType >::iterator paramEnd, std::list< DeclarationWithType *>::iterator realParam, const TyVarMap &tyVars ) {
	462	UniqueName paramNamer( "_p" );
	463	for ( ; param != paramEnd; ++param, ++arg, ++realParam ) {
	464	if ( (*param)->get_name() == "" ) {
	465	(*param)->set_name( paramNamer.newName() );
	466	(*param)->set_linkage( LinkageSpec::C );
	467	} // if
	468	adapteeApp->get_args().push_back( makeAdapterArg( param, arg, *realParam, tyVars ) );
	469	} // for
	470	}
[6c3744e]	471
[b1a6d6b]	472
	473
[01aeade]	474	FunctionDecl Pass1::makeAdapter( FunctionType adaptee, FunctionType *realType, const std::string &mangleName, const TyVarMap &tyVars ) {
	475	FunctionType *adapterType = makeAdapterType( adaptee, tyVars );
	476	adapterType = ScrubTyVars::scrub( adapterType, tyVars );
	477	DeclarationWithType *adapteeDecl = adapterType->get_parameters().front();
	478	adapteeDecl->set_name( "_adaptee" );
	479	ApplicationExpr *adapteeApp = new ApplicationExpr( new CastExpr( new VariableExpr( adapteeDecl ), new PointerType( Type::Qualifiers(), realType ) ) );
	480	Statement *bodyStmt;
[51b7345]	481
[01aeade]	482	std::list< TypeDecl *>::iterator tyArg = realType->get_forall().begin();
	483	std::list< TypeDecl *>::iterator tyParam = adapterType->get_forall().begin();
	484	std::list< TypeDecl *>::iterator realTyParam = adaptee->get_forall().begin();
	485	for ( ; tyParam != adapterType->get_forall().end(); ++tyArg, ++tyParam, ++realTyParam ) {
	486	assert( tyArg != realType->get_forall().end() );
	487	std::list< DeclarationWithType >::iterator assertArg = (tyArg)->get_assertions().begin();
	488	std::list< DeclarationWithType >::iterator assertParam = (tyParam)->get_assertions().begin();
	489	std::list< DeclarationWithType >::iterator realAssertParam = (realTyParam)->get_assertions().begin();
	490	for ( ; assertParam != (*tyParam)->get_assertions().end(); ++assertArg, ++assertParam, ++realAssertParam ) {
	491	assert( assertArg != (*tyArg)->get_assertions().end() );
	492	adapteeApp->get_args().push_back( makeAdapterArg( assertParam, assertArg, *realAssertParam, tyVars ) );
	493	} // for
	494	} // for
[51b7345]	495
[01aeade]	496	std::list< DeclarationWithType *>::iterator arg = realType->get_parameters().begin();
	497	std::list< DeclarationWithType *>::iterator param = adapterType->get_parameters().begin();
	498	std::list< DeclarationWithType *>::iterator realParam = adaptee->get_parameters().begin();
	499	param++; // skip adaptee parameter
	500	if ( realType->get_returnVals().empty() ) {
	501	addAdapterParams( adapteeApp, arg, param, adapterType->get_parameters().end(), realParam, tyVars );
	502	bodyStmt = new ExprStmt( noLabels, adapteeApp );
	503	} else if ( isPolyVal( adaptee->get_returnVals().front()->get_type(), tyVars ) ) {
	504	if ( (*param)->get_name() == "" ) {
	505	(*param)->set_name( "_ret" );
	506	(*param)->set_linkage( LinkageSpec::C );
	507	} // if
	508	UntypedExpr *assign = new UntypedExpr( new NameExpr( "?=?" ) );
	509	UntypedExpr deref = new UntypedExpr( new NameExpr( "?" ) );
	510	deref->get_args().push_back( new CastExpr( new VariableExpr( *param++ ), new PointerType( Type::Qualifiers(), realType->get_returnVals().front()->get_type()->clone() ) ) );
	511	assign->get_args().push_back( deref );
	512	addAdapterParams( adapteeApp, arg, param, adapterType->get_parameters().end(), realParam, tyVars );
	513	assign->get_args().push_back( adapteeApp );
	514	bodyStmt = new ExprStmt( noLabels, assign );
	515	} else {
	516	// adapter for a function that returns a monomorphic value
	517	addAdapterParams( adapteeApp, arg, param, adapterType->get_parameters().end(), realParam, tyVars );
	518	bodyStmt = new ReturnStmt( noLabels, adapteeApp );
	519	} // if
	520	CompoundStmt *adapterBody = new CompoundStmt( noLabels );
	521	adapterBody->get_kids().push_back( bodyStmt );
	522	std::string adapterName = makeAdapterName( mangleName );
	523	return new FunctionDecl( adapterName, Declaration::NoStorageClass, LinkageSpec::C, adapterType, adapterBody, false );
	524	}
[6c3744e]	525
[01aeade]	526	void Pass1::passAdapters( ApplicationExpr appExpr, FunctionType functionType, const TyVarMap &exprTyVars ) {
	527	std::list< DeclarationWithType *> &paramList = functionType->get_parameters();
	528	std::list< FunctionType *> functions;
	529	for ( std::list< TypeDecl *>::iterator tyVar = functionType->get_forall().begin(); tyVar != functionType->get_forall().end(); ++tyVar ) {
	530	for ( std::list< DeclarationWithType >::iterator assert = (tyVar)->get_assertions().begin(); assert != (*tyVar)->get_assertions().end(); ++assert ) {
	531	findFunction( (*assert)->get_type(), functions, exprTyVars, needsAdapter );
	532	} // for
	533	} // for
	534	for ( std::list< DeclarationWithType *>::iterator arg = paramList.begin(); arg != paramList.end(); ++arg ) {
	535	findFunction( (*arg)->get_type(), functions, exprTyVars, needsAdapter );
	536	} // for
	537	std::set< std::string > adaptersDone;
	538	for ( std::list< FunctionType *>::iterator funType = functions.begin(); funType != functions.end(); ++funType ) {
	539	FunctionType realFunction = (funType)->clone();
	540	assert( env );
	541	env->apply( realFunction );
	542
	543	std::string mangleName = SymTab::Mangler::mangle( realFunction );
	544	if ( adaptersDone.find( mangleName ) == adaptersDone.end() ) {
	545	AdapterMap & adapters = Pass1::adapters.top();
	546	AdapterMap::iterator adapter = adapters.find( mangleName );
	547
	548	if ( needsAdapter( realFunction, exprTyVars, true ) ) {
	549	// the function still contains type variables, which means we are in a polymorphic
	550	// context and the adapter function is a parameter - call the parameter and don't
	551	// create a new adapter.
	552	appExpr->get_args().push_front( new NameExpr( makeAdapterName ( mangleName ) ) );
	553	continue;
	554	} else if ( adapter == adapters.end() ) {
	555	FunctionDecl newAdapter = makeAdapter( funType, realFunction, mangleName, exprTyVars );
	556	adapter = adapters.insert( adapters.begin(), std::pair< std::string, FunctionDecl *>( mangleName, newAdapter ) );
	557	stmtsToAdd.push_back( new DeclStmt( noLabels, newAdapter ) );
	558	} // if
	559	assert( adapter != adapters.end() );
	560	appExpr->get_args().push_front( new VariableExpr( adapter->second ) );
	561	// appExpr->get_args().push_front( new NameExpr( makeAdapterName ( mangleName ) ) );
	562	adaptersDone.insert( adaptersDone.begin(), mangleName );
	563	} // if
	564	} // for
	565	}
[6c3744e]	566
[01aeade]	567	TypeInstType isPolyPtr( Type type, const TypeSubstitution *env, const TyVarMap &tyVars ) {
	568	if ( PointerType ptr = dynamic_cast< PointerType >( type ) ) {
	569	return isPolyType( ptr->get_base(), env, tyVars );
	570	} else if ( env ) {
	571	if ( TypeInstType typeInst = dynamic_cast< TypeInstType >( type ) ) {
	572	if ( Type *newType = env->lookup( typeInst->get_name() ) ) {
	573	return isPolyPtr( newType, env, tyVars );
	574	} // if
	575	} // if
[6c3744e]	576	} // if
[01aeade]	577	return 0;
	578	}
	579
	580	TypeInstType isPolyPtrPtr( Type type, const TypeSubstitution *env, const TyVarMap &tyVars ) {
	581	if ( PointerType ptr = dynamic_cast< PointerType >( type ) ) {
	582	return isPolyPtr( ptr->get_base(), env, tyVars );
	583	} else if ( env ) {
	584	if ( TypeInstType typeInst = dynamic_cast< TypeInstType >( type ) ) {
	585	if ( Type *newType = env->lookup( typeInst->get_name() ) ) {
	586	return isPolyPtrPtr( newType, env, tyVars );
	587	} // if
	588	} // if
[6c3744e]	589	} // if
[01aeade]	590	return 0;
	591	}
	592
	593	Expression makeIncrDecrExpr( ApplicationExpr appExpr, std::string polyName, bool isIncr ) {
	594	NameExpr *opExpr;
	595	if ( isIncr ) {
	596	opExpr = new NameExpr( "?+=?" );
	597	} else {
	598	opExpr = new NameExpr( "?-=?" );
[6c3744e]	599	} // if
[01aeade]	600	UntypedExpr *addAssign = new UntypedExpr( opExpr );
	601	if ( AddressExpr address = dynamic_cast< AddressExpr >( appExpr->get_args().front() ) ) {
	602	addAssign->get_args().push_back( address->get_arg() );
	603	} else {
	604	addAssign->get_args().push_back( appExpr->get_args().front() );
[6c3744e]	605	} // if
[01aeade]	606	addAssign->get_args().push_back( new NameExpr( polyName ) );
	607	addAssign->get_results().front() = appExpr->get_results().front()->clone();
	608	if ( appExpr->get_env() ) {
	609	addAssign->set_env( appExpr->get_env() );
[6c3744e]	610	appExpr->set_env( 0 );
	611	} // if
[01aeade]	612	appExpr->get_args().clear();
	613	delete appExpr;
	614	return addAssign;
	615	}
	616
	617	Expression Pass1::handleIntrinsics( ApplicationExpr appExpr ) {
	618	if ( VariableExpr varExpr = dynamic_cast< VariableExpr >( appExpr->get_function() ) ) {
	619	if ( varExpr->get_var()->get_linkage() == LinkageSpec::Intrinsic ) {
	620	if ( varExpr->get_var()->get_name() == "?[?]" ) {
	621	assert( ! appExpr->get_results().empty() );
	622	assert( appExpr->get_args().size() == 2 );
	623	TypeInstType *typeInst1 = isPolyPtr( appExpr->get_args().front()->get_results().front(), env, scopeTyVars );
	624	TypeInstType *typeInst2 = isPolyPtr( appExpr->get_args().back()->get_results().front(), env, scopeTyVars );
	625	assert( ! typeInst1 \|\| ! typeInst2 );
	626	UntypedExpr *ret = 0;
	627	if ( typeInst1 \|\| typeInst2 ) {
	628	ret = new UntypedExpr( new NameExpr( "?+?" ) );
	629	} // if
	630	if ( typeInst1 ) {
	631	UntypedExpr multiply = new UntypedExpr( new NameExpr( "??" ) );
	632	multiply->get_args().push_back( appExpr->get_args().back() );
	633	multiply->get_args().push_back( new NameExpr( typeInst1->get_name() ) );
	634	ret->get_args().push_back( appExpr->get_args().front() );
	635	ret->get_args().push_back( multiply );
	636	} else if ( typeInst2 ) {
	637	UntypedExpr multiply = new UntypedExpr( new NameExpr( "??" ) );
	638	multiply->get_args().push_back( appExpr->get_args().front() );
	639	multiply->get_args().push_back( new NameExpr( typeInst2->get_name() ) );
	640	ret->get_args().push_back( multiply );
	641	ret->get_args().push_back( appExpr->get_args().back() );
	642	} // if
	643	if ( typeInst1 \|\| typeInst2 ) {
	644	ret->get_results().push_front( appExpr->get_results().front()->clone() );
	645	if ( appExpr->get_env() ) {
	646	ret->set_env( appExpr->get_env() );
	647	appExpr->set_env( 0 );
	648	} // if
	649	appExpr->get_args().clear();
	650	delete appExpr;
	651	return ret;
	652	} // if
	653	} else if ( varExpr->get_var()->get_name() == "*?" ) {
	654	assert( ! appExpr->get_results().empty() );
	655	assert( ! appExpr->get_args().empty() );
	656	if ( isPolyType( appExpr->get_results().front(), env, scopeTyVars ) ) {
	657	Expression *ret = appExpr->get_args().front();
	658	delete ret->get_results().front();
	659	ret->get_results().front() = appExpr->get_results().front()->clone();
	660	if ( appExpr->get_env() ) {
	661	ret->set_env( appExpr->get_env() );
	662	appExpr->set_env( 0 );
	663	} // if
	664	appExpr->get_args().clear();
	665	delete appExpr;
	666	return ret;
	667	} // if
	668	} else if ( varExpr->get_var()->get_name() == "?++" \|\| varExpr->get_var()->get_name() == "?--" ) {
	669	assert( ! appExpr->get_results().empty() );
	670	assert( appExpr->get_args().size() == 1 );
	671	if ( TypeInstType *typeInst = isPolyPtr( appExpr->get_results().front(), env, scopeTyVars ) ) {
	672	Type *tempType = appExpr->get_results().front()->clone();
	673	if ( env ) {
	674	env->apply( tempType );
	675	} // if
	676	ObjectDecl *newObj = makeTemporary( tempType );
	677	VariableExpr *tempExpr = new VariableExpr( newObj );
	678	UntypedExpr *assignExpr = new UntypedExpr( new NameExpr( "?=?" ) );
	679	assignExpr->get_args().push_back( tempExpr->clone() );
	680	if ( AddressExpr address = dynamic_cast< AddressExpr >( appExpr->get_args().front() ) ) {
	681	assignExpr->get_args().push_back( address->get_arg()->clone() );
	682	} else {
	683	assignExpr->get_args().push_back( appExpr->get_args().front()->clone() );
	684	} // if
	685	CommaExpr *firstComma = new CommaExpr( assignExpr, makeIncrDecrExpr( appExpr, typeInst->get_name(), varExpr->get_var()->get_name() == "?++" ) );
	686	return new CommaExpr( firstComma, tempExpr );
	687	} // if
	688	} else if ( varExpr->get_var()->get_name() == "++?" \|\| varExpr->get_var()->get_name() == "--?" ) {
	689	assert( ! appExpr->get_results().empty() );
	690	assert( appExpr->get_args().size() == 1 );
	691	if ( TypeInstType *typeInst = isPolyPtr( appExpr->get_results().front(), env, scopeTyVars ) ) {
	692	return makeIncrDecrExpr( appExpr, typeInst->get_name(), varExpr->get_var()->get_name() == "++?" );
	693	} // if
	694	} else if ( varExpr->get_var()->get_name() == "?+?" \|\| varExpr->get_var()->get_name() == "?-?" ) {
	695	assert( ! appExpr->get_results().empty() );
	696	assert( appExpr->get_args().size() == 2 );
	697	TypeInstType *typeInst1 = isPolyPtr( appExpr->get_args().front()->get_results().front(), env, scopeTyVars );
	698	TypeInstType *typeInst2 = isPolyPtr( appExpr->get_args().back()->get_results().front(), env, scopeTyVars );
	699	if ( typeInst1 && typeInst2 ) {
	700	UntypedExpr *divide = new UntypedExpr( new NameExpr( "?/?" ) );
	701	divide->get_args().push_back( appExpr );
	702	divide->get_args().push_back( new NameExpr( typeInst1->get_name() ) );
	703	divide->get_results().push_front( appExpr->get_results().front()->clone() );
	704	if ( appExpr->get_env() ) {
	705	divide->set_env( appExpr->get_env() );
	706	appExpr->set_env( 0 );
	707	} // if
	708	return divide;
	709	} else if ( typeInst1 ) {
	710	UntypedExpr multiply = new UntypedExpr( new NameExpr( "??" ) );
	711	multiply->get_args().push_back( appExpr->get_args().back() );
	712	multiply->get_args().push_back( new NameExpr( typeInst1->get_name() ) );
	713	appExpr->get_args().back() = multiply;
	714	} else if ( typeInst2 ) {
	715	UntypedExpr multiply = new UntypedExpr( new NameExpr( "??" ) );
	716	multiply->get_args().push_back( appExpr->get_args().front() );
	717	multiply->get_args().push_back( new NameExpr( typeInst2->get_name() ) );
	718	appExpr->get_args().front() = multiply;
	719	} // if
	720	} else if ( varExpr->get_var()->get_name() == "?+=?" \|\| varExpr->get_var()->get_name() == "?-=?" ) {
	721	assert( ! appExpr->get_results().empty() );
	722	assert( appExpr->get_args().size() == 2 );
	723	TypeInstType *typeInst = isPolyPtr( appExpr->get_results().front(), env, scopeTyVars );
	724	if ( typeInst ) {
	725	UntypedExpr multiply = new UntypedExpr( new NameExpr( "??" ) );
	726	multiply->get_args().push_back( appExpr->get_args().back() );
	727	multiply->get_args().push_back( new NameExpr( typeInst->get_name() ) );
	728	appExpr->get_args().back() = multiply;
	729	} // if
	730	} // if
	731	return appExpr;
	732	} // if
[6c3744e]	733	} // if
[01aeade]	734	return 0;
	735	}
[6c3744e]	736
[01aeade]	737	Expression Pass1::mutate( ApplicationExpr appExpr ) {
[51b7345]	738	/// std::cerr << "mutate appExpr: ";
[6c3744e]	739	/// for ( TyVarMap::iterator i = scopeTyVars.begin(); i != scopeTyVars.end(); ++i ) {
[51b7345]	740	/// std::cerr << i->first << " ";
	741	/// }
	742	/// std::cerr << "\n";
[01aeade]	743	bool oldUseRetval = useRetval;
	744	useRetval = false;
	745	appExpr->get_function()->acceptMutator( *this );
	746	mutateAll( appExpr->get_args(), *this );
	747	useRetval = oldUseRetval;
[51b7345]	748
[01aeade]	749	assert( ! appExpr->get_function()->get_results().empty() );
	750	PointerType pointer = dynamic_cast< PointerType >( appExpr->get_function()->get_results().front() );
	751	assert( pointer );
	752	FunctionType function = dynamic_cast< FunctionType >( pointer->get_base() );
	753	assert( function );
[51b7345]	754
[01aeade]	755	if ( Expression *newExpr = handleIntrinsics( appExpr ) ) {
	756	return newExpr;
	757	} // if
[51b7345]	758
[01aeade]	759	Expression *ret = appExpr;
[51b7345]	760
[01aeade]	761	std::list< Expression *>::iterator arg = appExpr->get_args().begin();
	762	std::list< Expression *>::iterator paramBegin = appExpr->get_args().begin();
[51b7345]	763
[01aeade]	764	std::string typeName;
	765	if ( isPolyRet( function, typeName ) ) {
	766	ret = addPolyRetParam( appExpr, function, typeName, arg );
	767	} else if ( needsAdapter( function, scopeTyVars ) ) {
[51b7345]	768	/// std::cerr << "needs adapter: ";
[6c3744e]	769	/// for ( TyVarMap::iterator i = scopeTyVars.begin(); i != scopeTyVars.end(); ++i ) {
[51b7345]	770	/// std::cerr << i->first << " ";
	771	/// }
	772	/// std::cerr << "\n";
[01aeade]	773	// change the application so it calls the adapter rather than the passed function
	774	ret = applyAdapter( appExpr, function, arg, scopeTyVars );
	775	} // if
	776	arg = appExpr->get_args().begin();
[51b7345]	777
[01aeade]	778	TyVarMap exprTyVars;
	779	makeTyVarMap( function, exprTyVars );
[51b7345]	780
[01aeade]	781	passTypeVars( appExpr, arg, exprTyVars );
	782	addInferredParams( appExpr, function, arg, exprTyVars );
[51b7345]	783
[01aeade]	784	arg = paramBegin;
[51b7345]	785
[01aeade]	786	boxParams( appExpr, function, arg, exprTyVars );
[6c3744e]	787
[01aeade]	788	passAdapters( appExpr, function, exprTyVars );
[6c3744e]	789
[01aeade]	790	return ret;
	791	}
[6c3744e]	792
[01aeade]	793	Expression Pass1::mutate( UntypedExpr expr ) {
	794	if ( ! expr->get_results().empty() && isPolyType( expr->get_results().front(), env, scopeTyVars ) ) {
	795	if ( NameExpr name = dynamic_cast< NameExpr >( expr->get_function() ) ) {
	796	if ( name->get_name() == "*?" ) {
	797	Expression *ret = expr->get_args().front();
	798	expr->get_args().clear();
	799	delete expr;
	800	return ret->acceptMutator( *this );
	801	} // if
	802	} // if
	803	} // if
	804	return PolyMutator::mutate( expr );
	805	}
[6c3744e]	806
[01aeade]	807	Expression Pass1::mutate( AddressExpr addrExpr ) {
	808	assert( ! addrExpr->get_arg()->get_results().empty() );
	809	addrExpr->set_arg( mutateExpression( addrExpr->get_arg() ) );
	810	if ( isPolyType( addrExpr->get_arg()->get_results().front(), env, scopeTyVars ) ) {
	811	Expression *ret = addrExpr->get_arg();
	812	delete ret->get_results().front();
	813	ret->get_results().front() = addrExpr->get_results().front()->clone();
	814	addrExpr->set_arg( 0 );
	815	delete addrExpr;
	816	return ret;
	817	} else {
	818	return addrExpr;
	819	} // if
	820	}
[6c3744e]	821
[01aeade]	822	Statement * Pass1::mutate(ReturnStmt *retStmt) {
	823	// a cast expr on a polymorphic return value is either redundant or invalid
	824	while ( CastExpr castExpr = dynamic_cast< CastExpr >( retStmt->get_expr() ) ) {
	825	retStmt->set_expr( castExpr->get_arg() );
	826	retStmt->get_expr()->set_env( castExpr->get_env() );
	827	castExpr->set_env( 0 );
	828	castExpr->set_arg( 0 );
	829	delete castExpr;
	830	}
	831	if ( retval && retStmt->get_expr() ) {
	832	assert( ! retStmt->get_expr()->get_results().empty() );
	833	if ( retStmt->get_expr()->get_results().front()->get_isLvalue() ) {
[51b7345]	834	/// retStmt->set_expr( mutateExpression( retStmt->get_expr() ) );
[01aeade]	835	TypeInstType typeInst = dynamic_cast< TypeInstType >( retval->get_type() );
	836	assert( typeInst );
	837	std::map< std::string, DeclarationWithType *>::const_iterator assignIter = assignOps.find( typeInst->get_name() );
	838	if ( assignIter == assignOps.end() ) {
	839	throw SemanticError( "Attempt to return dtype or ftype object in ", retStmt->get_expr() );
	840	} // if
	841	ApplicationExpr *assignExpr = new ApplicationExpr( new VariableExpr( assignIter->second ) );
	842	Expression *retParm = new NameExpr( retval->get_name() );
	843	retParm->get_results().push_back( new PointerType( Type::Qualifiers(), retval->get_type()->clone() ) );
	844	assignExpr->get_args().push_back( retParm );
	845	assignExpr->get_args().push_back( retStmt->get_expr() );
	846	stmtsToAdd.push_back( new ExprStmt( noLabels, mutateExpression( assignExpr ) ) );
	847	} else {
	848	useRetval = true;
	849	stmtsToAdd.push_back( new ExprStmt( noLabels, mutateExpression( retStmt->get_expr() ) ) );
	850	useRetval = false;
	851	} // if
	852	retStmt->set_expr( 0 );
	853	} else {
	854	retStmt->set_expr( mutateExpression( retStmt->get_expr() ) );
	855	} // if
	856	return retStmt;
	857	}
[6c3744e]	858
[01aeade]	859	Type * Pass1::mutate( PointerType *pointerType ) {
	860	TyVarMap oldtyVars = scopeTyVars;
	861	makeTyVarMap( pointerType, scopeTyVars );
[51b7345]	862
[01aeade]	863	Type *ret = Mutator::mutate( pointerType );
[51b7345]	864
[01aeade]	865	scopeTyVars = oldtyVars;
	866	return ret;
	867	}
[6c3744e]	868
[01aeade]	869	Type * Pass1::mutate( FunctionType *functionType ) {
	870	TyVarMap oldtyVars = scopeTyVars;
	871	makeTyVarMap( functionType, scopeTyVars );
[51b7345]	872
[01aeade]	873	Type *ret = Mutator::mutate( functionType );
[51b7345]	874
[01aeade]	875	scopeTyVars = oldtyVars;
	876	return ret;
	877	}
[51b7345]	878
[01aeade]	879	void Pass1::doBeginScope() {
	880	adapters.push(AdapterMap());
	881	}
[b1a6d6b]	882
[01aeade]	883	void Pass1::doEndScope() {
	884	adapters.pop();
	885	}
[51b7345]	886
	887	////////////////////////////////////////// Pass2 ////////////////////////////////////////////////////
	888
[01aeade]	889	Pass2::Pass2() {}
	890
	891	void Pass2::addAdapters( FunctionType *functionType ) {
	892	std::list< DeclarationWithType *> &paramList = functionType->get_parameters();
	893	std::list< FunctionType *> functions;
	894	for ( std::list< DeclarationWithType *>::iterator arg = paramList.begin(); arg != paramList.end(); ++arg ) {
	895	Type orig = (arg)->get_type();
	896	findAndReplaceFunction( orig, functions, scopeTyVars, needsAdapter );
	897	(*arg)->set_type( orig );
	898	}
	899	std::set< std::string > adaptersDone;
	900	for ( std::list< FunctionType *>::iterator funType = functions.begin(); funType != functions.end(); ++funType ) {
	901	std::string mangleName = SymTab::Mangler::mangle( *funType );
	902	if ( adaptersDone.find( mangleName ) == adaptersDone.end() ) {
	903	std::string adapterName = makeAdapterName( mangleName );
	904	paramList.push_front( new ObjectDecl( adapterName, Declaration::NoStorageClass, LinkageSpec::C, 0, new PointerType( Type::Qualifiers(), makeAdapterType( *funType, scopeTyVars ) ), 0 ) );
	905	adaptersDone.insert( adaptersDone.begin(), mangleName );
	906	}
	907	}
[51b7345]	908	/// deleteAll( functions );
[01aeade]	909	}
[6c3744e]	910
[01aeade]	911	template< typename DeclClass >
	912	DeclClass * Pass2::handleDecl( DeclClass decl, Type type ) {
	913	DeclClass ret = static_cast< DeclClass >( Mutator::mutate( decl ) );
[6c3744e]	914
[01aeade]	915	return ret;
	916	}
[6c3744e]	917
[01aeade]	918	DeclarationWithType * Pass2::mutate( FunctionDecl *functionDecl ) {
	919	return handleDecl( functionDecl, functionDecl->get_functionType() );
	920	}
[6c3744e]	921
[01aeade]	922	ObjectDecl * Pass2::mutate( ObjectDecl *objectDecl ) {
	923	return handleDecl( objectDecl, objectDecl->get_type() );
	924	}
[6c3744e]	925
[01aeade]	926	TypeDecl * Pass2::mutate( TypeDecl *typeDecl ) {
	927	scopeTyVars[ typeDecl->get_name() ] = typeDecl->get_kind();
	928	if ( typeDecl->get_base() ) {
	929	return handleDecl( typeDecl, typeDecl->get_base() );
	930	} else {
	931	return Mutator::mutate( typeDecl );
	932	}
	933	}
[6c3744e]	934
[01aeade]	935	TypedefDecl * Pass2::mutate( TypedefDecl *typedefDecl ) {
	936	return handleDecl( typedefDecl, typedefDecl->get_base() );
	937	}
[6c3744e]	938
[01aeade]	939	Type * Pass2::mutate( PointerType *pointerType ) {
	940	TyVarMap oldtyVars = scopeTyVars;
	941	makeTyVarMap( pointerType, scopeTyVars );
[51b7345]	942
[01aeade]	943	Type *ret = Mutator::mutate( pointerType );
[51b7345]	944
[01aeade]	945	scopeTyVars = oldtyVars;
	946	return ret;
	947	}
[6c3744e]	948
[01aeade]	949	Type Pass2::mutate( FunctionType funcType ) {
	950	TyVarMap oldtyVars = scopeTyVars;
	951	makeTyVarMap( funcType, scopeTyVars );
[51b7345]	952
[01aeade]	953	std::string typeName;
	954	if ( isPolyRet( funcType, typeName ) ) {
	955	DeclarationWithType *ret = funcType->get_returnVals().front();
	956	ret->set_type( new PointerType( Type::Qualifiers(), ret->get_type() ) );
	957	funcType->get_parameters().push_front( ret );
	958	funcType->get_returnVals().pop_front();
	959	}
[51b7345]	960
[01aeade]	961	std::list< DeclarationWithType *>::iterator last = funcType->get_parameters().begin();
	962	std::list< DeclarationWithType *> inferredParams;
	963	ObjectDecl *newObj = new ObjectDecl( "", Declaration::NoStorageClass, LinkageSpec::C, 0, new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ), 0 );
[51b7345]	964	/// ObjectDecl *newFunPtr = new ObjectDecl( "", Declaration::NoStorageClass, LinkageSpec::Cforall, 0, new PointerType( Type::Qualifiers(), new FunctionType( Type::Qualifiers(), true ) ), 0 );
[01aeade]	965	for ( std::list< TypeDecl *>::const_iterator tyParm = funcType->get_forall().begin(); tyParm != funcType->get_forall().end(); ++tyParm ) {
	966	ObjectDecl *thisParm;
	967	if ( (*tyParm)->get_kind() == TypeDecl::Any ) {
	968	thisParm = newObj->clone();
	969	thisParm->set_name( (*tyParm)->get_name() );
	970	last = funcType->get_parameters().insert( last, thisParm );
	971	++last;
	972	}
	973	for ( std::list< DeclarationWithType >::iterator assert = (tyParm)->get_assertions().begin(); assert != (*tyParm)->get_assertions().end(); ++assert ) {
[6c3744e]	974	/// assert = (assert)->acceptMutator( *this );
[01aeade]	975	inferredParams.push_back( *assert );
	976	}
	977	(*tyParm)->get_assertions().clear();
	978	}
	979	delete newObj;
	980	funcType->get_parameters().splice( last, inferredParams );
	981	addAdapters( funcType );
	982	mutateAll( funcType->get_returnVals(), *this );
	983	mutateAll( funcType->get_parameters(), *this );
[51b7345]	984
[01aeade]	985	scopeTyVars = oldtyVars;
	986	return funcType;
	987	}
[51b7345]	988
	989	////////////////////////////////////////// Pass3 ////////////////////////////////////////////////////
	990
[01aeade]	991	template< typename DeclClass >
	992	DeclClass * Pass3::handleDecl( DeclClass decl, Type type ) {
	993	TyVarMap oldtyVars = scopeTyVars;
	994	makeTyVarMap( type, scopeTyVars );
[51b7345]	995
[01aeade]	996	DeclClass ret = static_cast< DeclClass >( Mutator::mutate( decl ) );
	997	ScrubTyVars::scrub( decl, scopeTyVars );
[6c3744e]	998
[01aeade]	999	scopeTyVars = oldtyVars;
	1000	return ret;
	1001	}
[6c3744e]	1002
[01aeade]	1003	ObjectDecl * Pass3::mutate( ObjectDecl *objectDecl ) {
	1004	return handleDecl( objectDecl, objectDecl->get_type() );
	1005	}
[6c3744e]	1006
[01aeade]	1007	DeclarationWithType * Pass3::mutate( FunctionDecl *functionDecl ) {
	1008	return handleDecl( functionDecl, functionDecl->get_functionType() );
	1009	}
[6c3744e]	1010
[01aeade]	1011	TypedefDecl * Pass3::mutate( TypedefDecl *typedefDecl ) {
	1012	return handleDecl( typedefDecl, typedefDecl->get_base() );
	1013	}
[6c3744e]	1014
[01aeade]	1015	TypeDecl * Pass3::mutate( TypeDecl *typeDecl ) {
[51b7345]	1016	/// Initializer *init = 0;
	1017	/// std::list< Expression *> designators;
	1018	/// scopeTyVars[ typeDecl->get_name() ] = typeDecl->get_kind();
[6c3744e]	1019	/// if ( typeDecl->get_base() ) {
[51b7345]	1020	/// init = new SimpleInit( new SizeofExpr( handleDecl( typeDecl, typeDecl->get_base() ) ), designators );
	1021	/// }
	1022	/// return new ObjectDecl( typeDecl->get_name(), Declaration::Extern, LinkageSpec::C, 0, new BasicType( Type::Qualifiers(), BasicType::UnsignedInt ), init );
	1023
[01aeade]	1024	scopeTyVars[ typeDecl->get_name() ] = typeDecl->get_kind();
	1025	return Mutator::mutate( typeDecl );
	1026	}
[51b7345]	1027
[01aeade]	1028	Type * Pass3::mutate( PointerType *pointerType ) {
	1029	TyVarMap oldtyVars = scopeTyVars;
	1030	makeTyVarMap( pointerType, scopeTyVars );
[51b7345]	1031
[01aeade]	1032	Type *ret = Mutator::mutate( pointerType );
[51b7345]	1033
[01aeade]	1034	scopeTyVars = oldtyVars;
	1035	return ret;
	1036	}
[6c3744e]	1037
[01aeade]	1038	Type * Pass3::mutate( FunctionType *functionType ) {
	1039	TyVarMap oldtyVars = scopeTyVars;
	1040	makeTyVarMap( functionType, scopeTyVars );
[51b7345]	1041
[01aeade]	1042	Type *ret = Mutator::mutate( functionType );
[51b7345]	1043
[01aeade]	1044	scopeTyVars = oldtyVars;
	1045	return ret;
[6c3744e]	1046	}
[51b7345]	1047
[01aeade]	1048	Statement Pass3::mutate( DeclStmt declStmt ) {
	1049	if ( ObjectDecl objectDecl = dynamic_cast< ObjectDecl >( declStmt->get_decl() ) ) {
	1050	if ( isPolyVal( objectDecl->get_type(), scopeTyVars ) ) {
	1051	TypeInstType typeInst = dynamic_cast< TypeInstType >( objectDecl->get_type() );
	1052	assert( typeInst );
	1053	UntypedExpr *alloc = new UntypedExpr( new NameExpr( "__builtin_alloca" ) );
	1054	alloc->get_args().push_back( new NameExpr( typeInst->get_name() ) );
	1055	UntypedExpr *assign = new UntypedExpr( new NameExpr( "?=?" ) );
	1056	assign->get_args().push_back( new VariableExpr( objectDecl ) );
	1057	assign->get_args().push_back( alloc );
	1058	stmtsToAddAfter.push_back( new ExprStmt( noLabels, assign ) );
	1059	}
	1060	}
	1061	return Mutator::mutate( declStmt );
	1062	}
	1063	} // anonymous namespace
[51b7345]	1064	} // namespace GenPoly
[01aeade]	1065
[51587aa]	1066	// Local Variables: //
	1067	// tab-width: 4 //
	1068	// mode: c++ //
	1069	// compile-command: "make install" //
	1070	// End: //

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