source: src/GenPoly/Box.cc@ 28a8cf9

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors ctor deferred_resn demangler enum forall-pointer-decay gc_noraii jacob/cs343-translation jenkins-sandbox memory new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new string with_gc
Last change on this file since 28a8cf9 was f6d7e0f, checked in by Rob Schluntz <rschlunt@…>, 10 years ago

label fix, enumeration assignment first attempt
  • Property mode set to 100644
File size: 44.6 KB
Line 
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//
7// Box.cc --
8//
9// Author : Richard C. Bilson
10// Created On : Mon May 18 07:44:20 2015
11// Last Modified By : Rob Schluntz
12// Last Modified On : Wed Jun 24 16:19:07 2015
13// Update Count : 10
14//
15
16#include <set>
17#include <stack>
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 "Parser/ParseNode.h"
29
30#include "SynTree/Type.h"
31#include "SynTree/Expression.h"
32#include "SynTree/Initializer.h"
33#include "SynTree/Statement.h"
34#include "SynTree/Mutator.h"
35
36#include "ResolvExpr/TypeEnvironment.h"
37
38#include "SymTab/Mangler.h"
39
40#include "SemanticError.h"
41#include "UniqueName.h"
42#include "utility.h"
43
44#include <ext/functional> // temporary
45
46namespace GenPoly {
47 namespace {
48 const std::list<Label> noLabels;
49
50 class Pass1 : public PolyMutator {
51 public:
52 Pass1();
53 virtual Expression *mutate( ApplicationExpr *appExpr );
54 virtual Expression *mutate( AddressExpr *addrExpr );
55 virtual Expression *mutate( UntypedExpr *expr );
56 virtual DeclarationWithType* mutate( FunctionDecl *functionDecl );
57 virtual TypeDecl *mutate( TypeDecl *typeDecl );
58 virtual Expression *mutate( CommaExpr *commaExpr );
59 virtual Expression *mutate( ConditionalExpr *condExpr );
60 virtual Statement *mutate(ReturnStmt *catchStmt);
61 virtual Type *mutate( PointerType *pointerType );
62 virtual Type *mutate( FunctionType *pointerType );
63
64 virtual void doBeginScope();
65 virtual void doEndScope();
66 private:
67 void passTypeVars( ApplicationExpr *appExpr, std::list< Expression *>::iterator &arg, const TyVarMap &exprTyVars );
68 Expression *addRetParam( ApplicationExpr *appExpr, FunctionType *function, Type *retType, std::list< Expression *>::iterator &arg );
69 Expression *addPolyRetParam( ApplicationExpr *appExpr, FunctionType *function, std::string typeName, std::list< Expression *>::iterator &arg );
70 Expression *applyAdapter( ApplicationExpr *appExpr, FunctionType *function, std::list< Expression *>::iterator &arg, const TyVarMap &exprTyVars );
71 void boxParam( Type *formal, Expression *&arg, const TyVarMap &exprTyVars );
72 void boxParams( ApplicationExpr *appExpr, FunctionType *function, std::list< Expression *>::iterator &arg, const TyVarMap &exprTyVars );
73 void addInferredParams( ApplicationExpr *appExpr, FunctionType *functionType, std::list< Expression *>::iterator &arg, const TyVarMap &tyVars );
74 void findAssignOps( const std::list< TypeDecl *> &forall );
75 void passAdapters( ApplicationExpr *appExpr, FunctionType *functionType, const TyVarMap &exprTyVars );
76 FunctionDecl *makeAdapter( FunctionType *adaptee, FunctionType *realType, const std::string &mangleName, const TyVarMap &tyVars );
77 Expression *handleIntrinsics( ApplicationExpr *appExpr );
78 ObjectDecl *makeTemporary( Type *type );
79
80 std::map< std::string, DeclarationWithType *> assignOps;
81 typedef std::map< std::string, FunctionDecl *> AdapterMap;
82 std::stack< AdapterMap > adapters;
83 DeclarationWithType *retval;
84 bool useRetval;
85 UniqueName tempNamer;
86 };
87
88 class Pass2 : public PolyMutator {
89 public:
90 Pass2();
91 template< typename DeclClass >
92 DeclClass *handleDecl( DeclClass *decl, Type *type );
93 virtual DeclarationWithType *mutate( FunctionDecl *functionDecl );
94 virtual ObjectDecl *mutate( ObjectDecl *objectDecl );
95 virtual TypeDecl *mutate( TypeDecl *typeDecl );
96 virtual TypedefDecl *mutate( TypedefDecl *typedefDecl );
97 virtual Type *mutate( PointerType *pointerType );
98 virtual Type *mutate( FunctionType *funcType );
99 private:
100 void addAdapters( FunctionType *functionType );
101
102 std::map< UniqueId, std::string > adapterName;
103 };
104
105 class Pass3 : public PolyMutator {
106 public:
107 template< typename DeclClass >
108 DeclClass *handleDecl( DeclClass *decl, Type *type );
109 virtual DeclarationWithType *mutate( FunctionDecl *functionDecl );
110 virtual ObjectDecl *mutate( ObjectDecl *objectDecl );
111 virtual TypedefDecl *mutate( TypedefDecl *objectDecl );
112 virtual TypeDecl *mutate( TypeDecl *objectDecl );
113 virtual Statement *mutate( DeclStmt *declStmt );
114 virtual Type *mutate( PointerType *pointerType );
115 virtual Type *mutate( FunctionType *funcType );
116 private:
117 };
118
119 } // anonymous namespace
120
121 void printAllNotBuiltin( const std::list< Declaration *>& translationUnit, std::ostream &os ) {
122 for ( std::list< Declaration *>::const_iterator i = translationUnit.begin(); i != translationUnit.end(); ++i ) {
123 if ( ! LinkageSpec::isBuiltin( (*i)->get_linkage() ) ) {
124 (*i)->print( os );
125 os << std::endl;
126 } // if
127 } // for
128 }
129
130 void box( std::list< Declaration *>& translationUnit ) {
131 Pass1 pass1;
132 Pass2 pass2;
133 Pass3 pass3;
134 mutateAll( translationUnit, pass1 );
135 mutateAll( translationUnit, pass2 );
136 mutateAll( translationUnit, pass3 );
137 }
138
139 ////////////////////////////////////////// Pass1 ////////////////////////////////////////////////////
140
141 namespace {
142 std::string makeAdapterName( const std::string &mangleName ) {
143 return "_adapter" + mangleName;
144 }
145
146 bool isPolyRet( FunctionType *function, std::string &name, const TyVarMap &otherTyVars ) {
147 bool doTransform = false;
148 if ( ! function->get_returnVals().empty() ) {
149 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType *>( function->get_returnVals().front()->get_type() ) ) {
150
151 // figure out if the return type is specified by a type parameter
152 for ( std::list< TypeDecl *>::const_iterator tyVar = function->get_forall().begin(); tyVar != function->get_forall().end(); ++tyVar ) {
153 if ( (*tyVar)->get_name() == typeInst->get_name() ) {
154 doTransform = true;
155 name = typeInst->get_name();
156 break;
157 } // if
158 } // for
159 if ( ! doTransform && otherTyVars.find( typeInst->get_name() ) != otherTyVars.end() ) {
160 doTransform = true;
161 } // if
162 } // if
163 } // if
164 return doTransform;
165 }
166
167 bool isPolyRet( FunctionType *function, std::string &name ) {
168 TyVarMap dummyTyVars;
169 return isPolyRet( function, name, dummyTyVars );
170 }
171
172 Pass1::Pass1()
173 : useRetval( false ), tempNamer( "_temp" ) {
174 }
175
176 bool checkAssignment( DeclarationWithType *decl, std::string &name ) {
177 if ( decl->get_name() == "?=?" ) {
178 if ( PointerType *ptrType = dynamic_cast< PointerType *>( decl->get_type() ) ) {
179 if ( FunctionType *funType = dynamic_cast< FunctionType *>( ptrType->get_base() ) ) {
180 if ( funType->get_parameters().size() == 2 ) {
181 if ( PointerType *pointer = dynamic_cast< PointerType *>( funType->get_parameters().front()->get_type() ) ) {
182 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType *>( pointer->get_base() ) ) {
183 name = typeInst->get_name();
184 return true;
185 } // if
186 } // if
187 } // if
188 } // if
189 } // if
190 } // if
191 return false;
192 }
193
194 void Pass1::findAssignOps( const std::list< TypeDecl *> &forall ) {
195 assignOps.clear();
196 for ( std::list< TypeDecl *>::const_iterator i = forall.begin(); i != forall.end(); ++i ) {
197 for ( std::list< DeclarationWithType *>::const_iterator assert = (*i)->get_assertions().begin(); assert != (*i)->get_assertions().end(); ++assert ) {
198 std::string typeName;
199 if ( checkAssignment( *assert, typeName ) ) {
200 assignOps[ typeName ] = *assert;
201 } // if
202 } // for
203 } // for
204 }
205
206 DeclarationWithType *
207 Pass1::mutate( FunctionDecl *functionDecl ) {
208 if ( functionDecl->get_statements() ) {
209 TyVarMap oldtyVars = scopeTyVars;
210 DeclarationWithType *oldRetval = retval;
211 bool oldUseRetval = useRetval;
212
213 retval = 0;
214 std::string typeName;
215 if ( isPolyRet( functionDecl->get_functionType(), typeName ) && functionDecl->get_linkage() == LinkageSpec::Cforall ) {
216 retval = functionDecl->get_functionType()->get_returnVals().front();
217
218 // give names to unnamed return values
219 if ( retval->get_name() == "" ) {
220 retval->set_name( "_retparm" );
221 retval->set_linkage( LinkageSpec::C );
222 } // if
223 } // if
224
225 scopeTyVars.clear();
226/// std::cerr << "clear\n";
227 makeTyVarMap( functionDecl->get_functionType(), scopeTyVars );
228 findAssignOps( functionDecl->get_functionType()->get_forall() );
229 functionDecl->set_statements( functionDecl->get_statements()->acceptMutator( *this ) );
230
231 scopeTyVars = oldtyVars;
232/// std::cerr << "end FunctionDecl: ";
233/// for ( TyVarMap::iterator i = scopeTyVars.begin(); i != scopeTyVars.end(); ++i ) {
234/// std::cerr << i->first << " ";
235/// }
236/// std::cerr << "\n";
237 retval = oldRetval;
238 useRetval = oldUseRetval;
239 // doEndScope();
240 } // if
241 return functionDecl;
242 }
243
244 TypeDecl *Pass1::mutate( TypeDecl *typeDecl ) {
245/// std::cerr << "add " << typeDecl->get_name() << "\n";
246 scopeTyVars[ typeDecl->get_name() ] = typeDecl->get_kind();
247 return Mutator::mutate( typeDecl );
248 }
249
250 Expression *Pass1::mutate( CommaExpr *commaExpr ) {
251 bool oldUseRetval = useRetval;
252 useRetval = false;
253 commaExpr->set_arg1( maybeMutate( commaExpr->get_arg1(), *this ) );
254 useRetval = oldUseRetval;
255 commaExpr->set_arg2( maybeMutate( commaExpr->get_arg2(), *this ) );
256 return commaExpr;
257 }
258
259 Expression *Pass1::mutate( ConditionalExpr *condExpr ) {
260 bool oldUseRetval = useRetval;
261 useRetval = false;
262 condExpr->set_arg1( maybeMutate( condExpr->get_arg1(), *this ) );
263 useRetval = oldUseRetval;
264 condExpr->set_arg2( maybeMutate( condExpr->get_arg2(), *this ) );
265 condExpr->set_arg3( maybeMutate( condExpr->get_arg3(), *this ) );
266 return condExpr;
267
268 }
269
270 void Pass1::passTypeVars( ApplicationExpr *appExpr, std::list< Expression *>::iterator &arg, const TyVarMap &exprTyVars ) {
271 for ( TyVarMap::const_iterator tyParm = exprTyVars.begin(); tyParm != exprTyVars.end(); ++tyParm ) {
272 ResolvExpr::EqvClass eqvClass;
273 assert( env );
274 if ( tyParm->second == TypeDecl::Any ) {
275 Type *concrete = env->lookup( tyParm->first );
276 if ( concrete ) {
277 arg = appExpr->get_args().insert( arg, new SizeofExpr( concrete->clone() ) );
278 arg++;
279 } else {
280 throw SemanticError( "unbound type variable in application ", appExpr );
281 } // if
282 } // if
283 } // for
284 }
285
286 ObjectDecl *Pass1::makeTemporary( Type *type ) {
287 ObjectDecl *newObj = new ObjectDecl( tempNamer.newName(), DeclarationNode::NoStorageClass, LinkageSpec::C, 0, type, 0 );
288 stmtsToAdd.push_back( new DeclStmt( noLabels, newObj ) );
289 return newObj;
290 }
291
292 TypeInstType *isPolyType( Type *type, const TypeSubstitution *env, const TyVarMap &tyVars ) {
293 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType *>( type ) ) {
294 if ( env ) {
295 if ( Type *newType = env->lookup( typeInst->get_name() ) ) {
296 return isPolyType( newType, env, tyVars );
297 } // if
298 } // if
299 if ( tyVars.find( typeInst->get_name() ) != tyVars.end() ) {
300 return typeInst;
301 } else {
302 return 0;
303 } // if
304 } else {
305 return 0;
306 } // if
307 }
308
309 Expression *Pass1::addRetParam( ApplicationExpr *appExpr, FunctionType *function, Type *retType, std::list< Expression *>::iterator &arg ) {
310 if ( useRetval ) {
311 assert( retval );
312 arg = appExpr->get_args().insert( arg, new VariableExpr( retval ) );
313 arg++;
314 } else {
315 ObjectDecl *newObj = makeTemporary( retType->clone() );
316 Expression *paramExpr = new VariableExpr( newObj );
317 if ( ! isPolyType( newObj->get_type(), env, scopeTyVars ) ) {
318 paramExpr = new AddressExpr( paramExpr );
319 } // if
320 arg = appExpr->get_args().insert( arg, paramExpr );
321 arg++;
322/// stmtsToAdd.push_back( new ExprStmt( noLabels, appExpr ) );
323 CommaExpr *commaExpr = new CommaExpr( appExpr, new VariableExpr( newObj ) );
324 commaExpr->set_env( appExpr->get_env() );
325 appExpr->set_env( 0 );
326 return commaExpr;
327 } // if
328 return appExpr;
329 }
330
331 Expression *Pass1::addPolyRetParam( ApplicationExpr *appExpr, FunctionType *function, std::string typeName, std::list< Expression *>::iterator &arg ) {
332 ResolvExpr::EqvClass eqvClass;
333 assert( env );
334 Type *concrete = env->lookup( typeName );
335 if ( concrete == 0 ) {
336 throw SemanticError( "Unbound type variable " + typeName + " in ", appExpr );
337 } // if
338 return addRetParam( appExpr, function, concrete, arg );
339 }
340
341 Expression *Pass1::applyAdapter( ApplicationExpr *appExpr, FunctionType *function, std::list< Expression *>::iterator &arg, const TyVarMap &tyVars ) {
342 Expression *ret = appExpr;
343 if ( ! function->get_returnVals().empty() && isPolyVal( function->get_returnVals().front()->get_type(), tyVars ) ) {
344 ret = addRetParam( appExpr, function, function->get_returnVals().front()->get_type(), arg );
345 } // if
346 std::string mangleName = SymTab::Mangler::mangle( function );
347 std::string adapterName = makeAdapterName( mangleName );
348
349 appExpr->get_args().push_front( appExpr->get_function() );
350 appExpr->set_function( new NameExpr( adapterName ) );
351
352 return ret;
353 }
354
355 void Pass1::boxParam( Type *param, Expression *&arg, const TyVarMap &exprTyVars ) {
356 assert( ! arg->get_results().empty() );
357/// if ( ! dynamic_cast< PointerType *>( arg->get_results().front() ) ) {
358 TypeInstType *typeInst = dynamic_cast< TypeInstType *>( param );
359 if ( typeInst && exprTyVars.find( typeInst->get_name() ) != exprTyVars.end() ) {
360 if ( dynamic_cast< TypeInstType *>( arg->get_results().front() ) ) {
361 // if the argument's type is a type parameter, we don't need to box again!
362 return;
363 } else if ( arg->get_results().front()->get_isLvalue() ) {
364 // VariableExpr and MemberExpr are lvalues
365 arg = new AddressExpr( arg );
366 } else {
367 ObjectDecl *newObj = new ObjectDecl( tempNamer.newName(), DeclarationNode::NoStorageClass, LinkageSpec::C, 0, arg->get_results().front()->clone(), 0 );
368 newObj->get_type()->get_qualifiers() = Type::Qualifiers(); // TODO: is this right???
369 stmtsToAdd.push_back( new DeclStmt( noLabels, newObj ) );
370 UntypedExpr *assign = new UntypedExpr( new NameExpr( "?=?" ) );
371 assign->get_args().push_back( new VariableExpr( newObj ) );
372 assign->get_args().push_back( arg );
373 stmtsToAdd.push_back( new ExprStmt( noLabels, assign ) );
374 arg = new AddressExpr( new VariableExpr( newObj ) );
375 } // if
376 } // if
377/// }
378 }
379
380 void addCast( Expression *&actual, Type *formal, const TyVarMap &tyVars ) {
381 Type *newType = formal->clone();
382 std::list< FunctionType *> functions;
383 // instead of functions needing adapters, this really ought to look for
384 // any function mentioning a polymorphic type
385 findAndReplaceFunction( newType, functions, tyVars, needsAdapter );
386 if ( ! functions.empty() ) {
387 actual = new CastExpr( actual, newType );
388 } else {
389 delete newType;
390 } // if
391 }
392
393 void Pass1::boxParams( ApplicationExpr *appExpr, FunctionType *function, std::list< Expression *>::iterator &arg, const TyVarMap &exprTyVars ) {
394/// std::cout << "function is ";
395/// function->print( std::cout );
396 for ( std::list< DeclarationWithType *>::const_iterator param = function->get_parameters().begin(); param != function->get_parameters().end(); ++param, ++arg ) {
397/// std::cout << "parameter is ";
398/// (*param)->print( std::fcout );
399/// std::cout << std::endl << "argument is ";
400/// (*arg)->print( std::cout );
401 assert( arg != appExpr->get_args().end() );
402 addCast( *arg, (*param)->get_type(), exprTyVars );
403 boxParam( (*param)->get_type(), *arg, exprTyVars );
404 } // for
405 }
406
407 void Pass1::addInferredParams( ApplicationExpr *appExpr, FunctionType *functionType, std::list< Expression *>::iterator &arg, const TyVarMap &tyVars ) {
408 std::list< Expression *>::iterator cur = arg;
409 for ( std::list< TypeDecl *>::iterator tyVar = functionType->get_forall().begin(); tyVar != functionType->get_forall().end(); ++tyVar ) {
410 for ( std::list< DeclarationWithType *>::iterator assert = (*tyVar)->get_assertions().begin(); assert != (*tyVar)->get_assertions().end(); ++assert ) {
411 InferredParams::const_iterator inferParam = appExpr->get_inferParams().find( (*assert)->get_uniqueId() );
412 assert( inferParam != appExpr->get_inferParams().end() );
413 Expression *newExpr = inferParam->second.expr->clone();
414 addCast( newExpr, (*assert)->get_type(), tyVars );
415 boxParam( (*assert)->get_type(), newExpr, tyVars );
416 appExpr->get_args().insert( cur, newExpr );
417 } // for
418 } // for
419 }
420
421 void makeRetParm( FunctionType *funcType ) {
422 DeclarationWithType *retParm = funcType->get_returnVals().front();
423
424 // make a new parameter that is a pointer to the type of the old return value
425 retParm->set_type( new PointerType( Type::Qualifiers(), retParm->get_type() ) );
426 funcType->get_parameters().push_front( retParm );
427
428 // we don't need the return value any more
429 funcType->get_returnVals().clear();
430 }
431
432 FunctionType *makeAdapterType( FunctionType *adaptee, const TyVarMap &tyVars ) {
433 // actually make the adapter type
434 FunctionType *adapter = adaptee->clone();
435 if ( ! adapter->get_returnVals().empty() && isPolyVal( adapter->get_returnVals().front()->get_type(), tyVars ) ) {
436 makeRetParm( adapter );
437 } // if
438 adapter->get_parameters().push_front( new ObjectDecl( "", DeclarationNode::NoStorageClass, LinkageSpec::C, 0, new PointerType( Type::Qualifiers(), new FunctionType( Type::Qualifiers(), true ) ), 0 ) );
439 return adapter;
440 }
441
442 Expression *makeAdapterArg( DeclarationWithType *param, DeclarationWithType *arg, DeclarationWithType *realParam, const TyVarMap &tyVars ) {
443 assert( param );
444 assert( arg );
445/// std::cout << "arg type is ";
446/// arg->get_type()->print( std::cout );
447/// std::cout << "param type is ";
448/// param->get_type()->print( std::cout );
449/// std::cout << " tyVars are: ";
450/// printTyVarMap( std::cout, tyVars );
451 if ( isPolyVal( realParam->get_type(), tyVars ) ) {
452/// if ( dynamic_cast< PointerType *>( arg->get_type() ) ) {
453/// return new CastExpr( new VariableExpr( param ), arg->get_type()->clone() );
454/// } else {
455 UntypedExpr *deref = new UntypedExpr( new NameExpr( "*?" ) );
456 deref->get_args().push_back( new CastExpr( new VariableExpr( param ), new PointerType( Type::Qualifiers(), arg->get_type()->clone() ) ) );
457 deref->get_results().push_back( arg->get_type()->clone() );
458 return deref;
459/// }
460 } // if
461 return new VariableExpr( param );
462 }
463
464 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 ) {
465 UniqueName paramNamer( "_p" );
466 for ( ; param != paramEnd; ++param, ++arg, ++realParam ) {
467 if ( (*param)->get_name() == "" ) {
468 (*param)->set_name( paramNamer.newName() );
469 (*param)->set_linkage( LinkageSpec::C );
470 } // if
471 adapteeApp->get_args().push_back( makeAdapterArg( *param, *arg, *realParam, tyVars ) );
472 } // for
473 }
474
475
476
477 FunctionDecl *Pass1::makeAdapter( FunctionType *adaptee, FunctionType *realType, const std::string &mangleName, const TyVarMap &tyVars ) {
478 FunctionType *adapterType = makeAdapterType( adaptee, tyVars );
479 adapterType = ScrubTyVars::scrub( adapterType, tyVars );
480 DeclarationWithType *adapteeDecl = adapterType->get_parameters().front();
481 adapteeDecl->set_name( "_adaptee" );
482 ApplicationExpr *adapteeApp = new ApplicationExpr( new CastExpr( new VariableExpr( adapteeDecl ), new PointerType( Type::Qualifiers(), realType ) ) );
483 Statement *bodyStmt;
484
485 std::list< TypeDecl *>::iterator tyArg = realType->get_forall().begin();
486 std::list< TypeDecl *>::iterator tyParam = adapterType->get_forall().begin();
487 std::list< TypeDecl *>::iterator realTyParam = adaptee->get_forall().begin();
488 for ( ; tyParam != adapterType->get_forall().end(); ++tyArg, ++tyParam, ++realTyParam ) {
489 assert( tyArg != realType->get_forall().end() );
490 std::list< DeclarationWithType *>::iterator assertArg = (*tyArg)->get_assertions().begin();
491 std::list< DeclarationWithType *>::iterator assertParam = (*tyParam)->get_assertions().begin();
492 std::list< DeclarationWithType *>::iterator realAssertParam = (*realTyParam)->get_assertions().begin();
493 for ( ; assertParam != (*tyParam)->get_assertions().end(); ++assertArg, ++assertParam, ++realAssertParam ) {
494 assert( assertArg != (*tyArg)->get_assertions().end() );
495 adapteeApp->get_args().push_back( makeAdapterArg( *assertParam, *assertArg, *realAssertParam, tyVars ) );
496 } // for
497 } // for
498
499 std::list< DeclarationWithType *>::iterator arg = realType->get_parameters().begin();
500 std::list< DeclarationWithType *>::iterator param = adapterType->get_parameters().begin();
501 std::list< DeclarationWithType *>::iterator realParam = adaptee->get_parameters().begin();
502 param++; // skip adaptee parameter
503 if ( realType->get_returnVals().empty() ) {
504 addAdapterParams( adapteeApp, arg, param, adapterType->get_parameters().end(), realParam, tyVars );
505 bodyStmt = new ExprStmt( noLabels, adapteeApp );
506 } else if ( isPolyVal( adaptee->get_returnVals().front()->get_type(), tyVars ) ) {
507 if ( (*param)->get_name() == "" ) {
508 (*param)->set_name( "_ret" );
509 (*param)->set_linkage( LinkageSpec::C );
510 } // if
511 UntypedExpr *assign = new UntypedExpr( new NameExpr( "?=?" ) );
512 UntypedExpr *deref = new UntypedExpr( new NameExpr( "*?" ) );
513 deref->get_args().push_back( new CastExpr( new VariableExpr( *param++ ), new PointerType( Type::Qualifiers(), realType->get_returnVals().front()->get_type()->clone() ) ) );
514 assign->get_args().push_back( deref );
515 addAdapterParams( adapteeApp, arg, param, adapterType->get_parameters().end(), realParam, tyVars );
516 assign->get_args().push_back( adapteeApp );
517 bodyStmt = new ExprStmt( noLabels, assign );
518 } else {
519 // adapter for a function that returns a monomorphic value
520 addAdapterParams( adapteeApp, arg, param, adapterType->get_parameters().end(), realParam, tyVars );
521 bodyStmt = new ReturnStmt( noLabels, adapteeApp );
522 } // if
523 CompoundStmt *adapterBody = new CompoundStmt( noLabels );
524 adapterBody->get_kids().push_back( bodyStmt );
525 std::string adapterName = makeAdapterName( mangleName );
526 return new FunctionDecl( adapterName, DeclarationNode::NoStorageClass, LinkageSpec::C, adapterType, adapterBody, false, false );
527 }
528
529 void Pass1::passAdapters( ApplicationExpr *appExpr, FunctionType *functionType, const TyVarMap &exprTyVars ) {
530 std::list< DeclarationWithType *> &paramList = functionType->get_parameters();
531 std::list< FunctionType *> functions;
532 for ( std::list< TypeDecl *>::iterator tyVar = functionType->get_forall().begin(); tyVar != functionType->get_forall().end(); ++tyVar ) {
533 for ( std::list< DeclarationWithType *>::iterator assert = (*tyVar)->get_assertions().begin(); assert != (*tyVar)->get_assertions().end(); ++assert ) {
534 findFunction( (*assert)->get_type(), functions, exprTyVars, needsAdapter );
535 } // for
536 } // for
537 for ( std::list< DeclarationWithType *>::iterator arg = paramList.begin(); arg != paramList.end(); ++arg ) {
538 findFunction( (*arg)->get_type(), functions, exprTyVars, needsAdapter );
539 } // for
540 std::set< std::string > adaptersDone;
541 for ( std::list< FunctionType *>::iterator funType = functions.begin(); funType != functions.end(); ++funType ) {
542 FunctionType *realFunction = (*funType)->clone();
543 assert( env );
544 env->apply( realFunction );
545
546 std::string mangleName = SymTab::Mangler::mangle( realFunction );
547 if ( adaptersDone.find( mangleName ) == adaptersDone.end() ) {
548 AdapterMap & adapters = Pass1::adapters.top();
549 AdapterMap::iterator adapter = adapters.find( mangleName );
550
551 if ( needsAdapter( realFunction, exprTyVars, true ) ) {
552 // the function still contains type variables, which means we are in a polymorphic
553 // context and the adapter function is a parameter - call the parameter and don't
554 // create a new adapter.
555 appExpr->get_args().push_front( new NameExpr( makeAdapterName ( mangleName ) ) );
556 continue;
557 } else if ( adapter == adapters.end() ) {
558 FunctionDecl *newAdapter = makeAdapter( *funType, realFunction, mangleName, exprTyVars );
559 adapter = adapters.insert( adapters.begin(), std::pair< std::string, FunctionDecl *>( mangleName, newAdapter ) );
560 stmtsToAdd.push_back( new DeclStmt( noLabels, newAdapter ) );
561 } // if
562 assert( adapter != adapters.end() );
563 appExpr->get_args().push_front( new VariableExpr( adapter->second ) );
564 // appExpr->get_args().push_front( new NameExpr( makeAdapterName ( mangleName ) ) );
565 adaptersDone.insert( adaptersDone.begin(), mangleName );
566 } // if
567 } // for
568 }
569
570 TypeInstType *isPolyPtr( Type *type, const TypeSubstitution *env, const TyVarMap &tyVars ) {
571 if ( PointerType *ptr = dynamic_cast< PointerType *>( type ) ) {
572 return isPolyType( ptr->get_base(), env, tyVars );
573 } else if ( env ) {
574 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType *>( type ) ) {
575 if ( Type *newType = env->lookup( typeInst->get_name() ) ) {
576 return isPolyPtr( newType, env, tyVars );
577 } // if
578 } // if
579 } // if
580 return 0;
581 }
582
583 TypeInstType *isPolyPtrPtr( Type *type, const TypeSubstitution *env, const TyVarMap &tyVars ) {
584 if ( PointerType *ptr = dynamic_cast< PointerType *>( type ) ) {
585 return isPolyPtr( ptr->get_base(), env, tyVars );
586 } else if ( env ) {
587 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType *>( type ) ) {
588 if ( Type *newType = env->lookup( typeInst->get_name() ) ) {
589 return isPolyPtrPtr( newType, env, tyVars );
590 } // if
591 } // if
592 } // if
593 return 0;
594 }
595
596 Expression *makeIncrDecrExpr( ApplicationExpr *appExpr, std::string polyName, bool isIncr ) {
597 NameExpr *opExpr;
598 if ( isIncr ) {
599 opExpr = new NameExpr( "?+=?" );
600 } else {
601 opExpr = new NameExpr( "?-=?" );
602 } // if
603 UntypedExpr *addAssign = new UntypedExpr( opExpr );
604 if ( AddressExpr *address = dynamic_cast< AddressExpr *>( appExpr->get_args().front() ) ) {
605 addAssign->get_args().push_back( address->get_arg() );
606 } else {
607 addAssign->get_args().push_back( appExpr->get_args().front() );
608 } // if
609 addAssign->get_args().push_back( new NameExpr( polyName ) );
610 addAssign->get_results().front() = appExpr->get_results().front()->clone();
611 if ( appExpr->get_env() ) {
612 addAssign->set_env( appExpr->get_env() );
613 appExpr->set_env( 0 );
614 } // if
615 appExpr->get_args().clear();
616 delete appExpr;
617 return addAssign;
618 }
619
620 Expression *Pass1::handleIntrinsics( ApplicationExpr *appExpr ) {
621 if ( VariableExpr *varExpr = dynamic_cast< VariableExpr *>( appExpr->get_function() ) ) {
622 if ( varExpr->get_var()->get_linkage() == LinkageSpec::Intrinsic ) {
623 if ( varExpr->get_var()->get_name() == "?[?]" ) {
624 assert( ! appExpr->get_results().empty() );
625 assert( appExpr->get_args().size() == 2 );
626 TypeInstType *typeInst1 = isPolyPtr( appExpr->get_args().front()->get_results().front(), env, scopeTyVars );
627 TypeInstType *typeInst2 = isPolyPtr( appExpr->get_args().back()->get_results().front(), env, scopeTyVars );
628 assert( ! typeInst1 || ! typeInst2 );
629 UntypedExpr *ret = 0;
630 if ( typeInst1 || typeInst2 ) {
631 ret = new UntypedExpr( new NameExpr( "?+?" ) );
632 } // if
633 if ( typeInst1 ) {
634 UntypedExpr *multiply = new UntypedExpr( new NameExpr( "?*?" ) );
635 multiply->get_args().push_back( appExpr->get_args().back() );
636 multiply->get_args().push_back( new NameExpr( typeInst1->get_name() ) );
637 ret->get_args().push_back( appExpr->get_args().front() );
638 ret->get_args().push_back( multiply );
639 } else if ( typeInst2 ) {
640 UntypedExpr *multiply = new UntypedExpr( new NameExpr( "?*?" ) );
641 multiply->get_args().push_back( appExpr->get_args().front() );
642 multiply->get_args().push_back( new NameExpr( typeInst2->get_name() ) );
643 ret->get_args().push_back( multiply );
644 ret->get_args().push_back( appExpr->get_args().back() );
645 } // if
646 if ( typeInst1 || typeInst2 ) {
647 ret->get_results().push_front( appExpr->get_results().front()->clone() );
648 if ( appExpr->get_env() ) {
649 ret->set_env( appExpr->get_env() );
650 appExpr->set_env( 0 );
651 } // if
652 appExpr->get_args().clear();
653 delete appExpr;
654 return ret;
655 } // if
656 } else if ( varExpr->get_var()->get_name() == "*?" ) {
657 assert( ! appExpr->get_results().empty() );
658 assert( ! appExpr->get_args().empty() );
659 if ( isPolyType( appExpr->get_results().front(), env, scopeTyVars ) ) {
660 Expression *ret = appExpr->get_args().front();
661 delete ret->get_results().front();
662 ret->get_results().front() = appExpr->get_results().front()->clone();
663 if ( appExpr->get_env() ) {
664 ret->set_env( appExpr->get_env() );
665 appExpr->set_env( 0 );
666 } // if
667 appExpr->get_args().clear();
668 delete appExpr;
669 return ret;
670 } // if
671 } else if ( varExpr->get_var()->get_name() == "?++" || varExpr->get_var()->get_name() == "?--" ) {
672 assert( ! appExpr->get_results().empty() );
673 assert( appExpr->get_args().size() == 1 );
674 if ( TypeInstType *typeInst = isPolyPtr( appExpr->get_results().front(), env, scopeTyVars ) ) {
675 Type *tempType = appExpr->get_results().front()->clone();
676 if ( env ) {
677 env->apply( tempType );
678 } // if
679 ObjectDecl *newObj = makeTemporary( tempType );
680 VariableExpr *tempExpr = new VariableExpr( newObj );
681 UntypedExpr *assignExpr = new UntypedExpr( new NameExpr( "?=?" ) );
682 assignExpr->get_args().push_back( tempExpr->clone() );
683 if ( AddressExpr *address = dynamic_cast< AddressExpr *>( appExpr->get_args().front() ) ) {
684 assignExpr->get_args().push_back( address->get_arg()->clone() );
685 } else {
686 assignExpr->get_args().push_back( appExpr->get_args().front()->clone() );
687 } // if
688 CommaExpr *firstComma = new CommaExpr( assignExpr, makeIncrDecrExpr( appExpr, typeInst->get_name(), varExpr->get_var()->get_name() == "?++" ) );
689 return new CommaExpr( firstComma, tempExpr );
690 } // if
691 } else if ( varExpr->get_var()->get_name() == "++?" || varExpr->get_var()->get_name() == "--?" ) {
692 assert( ! appExpr->get_results().empty() );
693 assert( appExpr->get_args().size() == 1 );
694 if ( TypeInstType *typeInst = isPolyPtr( appExpr->get_results().front(), env, scopeTyVars ) ) {
695 return makeIncrDecrExpr( appExpr, typeInst->get_name(), varExpr->get_var()->get_name() == "++?" );
696 } // if
697 } else if ( varExpr->get_var()->get_name() == "?+?" || varExpr->get_var()->get_name() == "?-?" ) {
698 assert( ! appExpr->get_results().empty() );
699 assert( appExpr->get_args().size() == 2 );
700 TypeInstType *typeInst1 = isPolyPtr( appExpr->get_args().front()->get_results().front(), env, scopeTyVars );
701 TypeInstType *typeInst2 = isPolyPtr( appExpr->get_args().back()->get_results().front(), env, scopeTyVars );
702 if ( typeInst1 && typeInst2 ) {
703 UntypedExpr *divide = new UntypedExpr( new NameExpr( "?/?" ) );
704 divide->get_args().push_back( appExpr );
705 divide->get_args().push_back( new NameExpr( typeInst1->get_name() ) );
706 divide->get_results().push_front( appExpr->get_results().front()->clone() );
707 if ( appExpr->get_env() ) {
708 divide->set_env( appExpr->get_env() );
709 appExpr->set_env( 0 );
710 } // if
711 return divide;
712 } else if ( typeInst1 ) {
713 UntypedExpr *multiply = new UntypedExpr( new NameExpr( "?*?" ) );
714 multiply->get_args().push_back( appExpr->get_args().back() );
715 multiply->get_args().push_back( new NameExpr( typeInst1->get_name() ) );
716 appExpr->get_args().back() = multiply;
717 } else if ( typeInst2 ) {
718 UntypedExpr *multiply = new UntypedExpr( new NameExpr( "?*?" ) );
719 multiply->get_args().push_back( appExpr->get_args().front() );
720 multiply->get_args().push_back( new NameExpr( typeInst2->get_name() ) );
721 appExpr->get_args().front() = multiply;
722 } // if
723 } else if ( varExpr->get_var()->get_name() == "?+=?" || varExpr->get_var()->get_name() == "?-=?" ) {
724 assert( ! appExpr->get_results().empty() );
725 assert( appExpr->get_args().size() == 2 );
726 TypeInstType *typeInst = isPolyPtr( appExpr->get_results().front(), env, scopeTyVars );
727 if ( typeInst ) {
728 UntypedExpr *multiply = new UntypedExpr( new NameExpr( "?*?" ) );
729 multiply->get_args().push_back( appExpr->get_args().back() );
730 multiply->get_args().push_back( new NameExpr( typeInst->get_name() ) );
731 appExpr->get_args().back() = multiply;
732 } // if
733 } // if
734 return appExpr;
735 } // if
736 } // if
737 return 0;
738 }
739
740 Expression *Pass1::mutate( ApplicationExpr *appExpr ) {
741/// std::cerr << "mutate appExpr: ";
742/// for ( TyVarMap::iterator i = scopeTyVars.begin(); i != scopeTyVars.end(); ++i ) {
743/// std::cerr << i->first << " ";
744/// }
745/// std::cerr << "\n";
746 bool oldUseRetval = useRetval;
747 useRetval = false;
748 appExpr->get_function()->acceptMutator( *this );
749 mutateAll( appExpr->get_args(), *this );
750 useRetval = oldUseRetval;
751
752 assert( ! appExpr->get_function()->get_results().empty() );
753 PointerType *pointer = dynamic_cast< PointerType *>( appExpr->get_function()->get_results().front() );
754 assert( pointer );
755 FunctionType *function = dynamic_cast< FunctionType *>( pointer->get_base() );
756 assert( function );
757
758 if ( Expression *newExpr = handleIntrinsics( appExpr ) ) {
759 return newExpr;
760 } // if
761
762 Expression *ret = appExpr;
763
764 std::list< Expression *>::iterator arg = appExpr->get_args().begin();
765 std::list< Expression *>::iterator paramBegin = appExpr->get_args().begin();
766
767 std::string typeName;
768 if ( isPolyRet( function, typeName ) ) {
769 ret = addPolyRetParam( appExpr, function, typeName, arg );
770 } else if ( needsAdapter( function, scopeTyVars ) ) {
771/// std::cerr << "needs adapter: ";
772/// for ( TyVarMap::iterator i = scopeTyVars.begin(); i != scopeTyVars.end(); ++i ) {
773/// std::cerr << i->first << " ";
774/// }
775/// std::cerr << "\n";
776 // change the application so it calls the adapter rather than the passed function
777 ret = applyAdapter( appExpr, function, arg, scopeTyVars );
778 } // if
779 arg = appExpr->get_args().begin();
780
781 TyVarMap exprTyVars;
782 makeTyVarMap( function, exprTyVars );
783
784 passTypeVars( appExpr, arg, exprTyVars );
785 addInferredParams( appExpr, function, arg, exprTyVars );
786
787 arg = paramBegin;
788
789 boxParams( appExpr, function, arg, exprTyVars );
790
791 passAdapters( appExpr, function, exprTyVars );
792
793 return ret;
794 }
795
796 Expression *Pass1::mutate( UntypedExpr *expr ) {
797 if ( ! expr->get_results().empty() && isPolyType( expr->get_results().front(), env, scopeTyVars ) ) {
798 if ( NameExpr *name = dynamic_cast< NameExpr *>( expr->get_function() ) ) {
799 if ( name->get_name() == "*?" ) {
800 Expression *ret = expr->get_args().front();
801 expr->get_args().clear();
802 delete expr;
803 return ret->acceptMutator( *this );
804 } // if
805 } // if
806 } // if
807 return PolyMutator::mutate( expr );
808 }
809
810 Expression *Pass1::mutate( AddressExpr *addrExpr ) {
811 assert( ! addrExpr->get_arg()->get_results().empty() );
812 addrExpr->set_arg( mutateExpression( addrExpr->get_arg() ) );
813 if ( isPolyType( addrExpr->get_arg()->get_results().front(), env, scopeTyVars ) ) {
814 Expression *ret = addrExpr->get_arg();
815 delete ret->get_results().front();
816 ret->get_results().front() = addrExpr->get_results().front()->clone();
817 addrExpr->set_arg( 0 );
818 delete addrExpr;
819 return ret;
820 } else {
821 return addrExpr;
822 } // if
823 }
824
825 Statement * Pass1::mutate(ReturnStmt *retStmt) {
826 // a cast expr on a polymorphic return value is either redundant or invalid
827 while ( CastExpr *castExpr = dynamic_cast< CastExpr *>( retStmt->get_expr() ) ) {
828 retStmt->set_expr( castExpr->get_arg() );
829 retStmt->get_expr()->set_env( castExpr->get_env() );
830 castExpr->set_env( 0 );
831 castExpr->set_arg( 0 );
832 delete castExpr;
833 }
834 if ( retval && retStmt->get_expr() ) {
835 assert( ! retStmt->get_expr()->get_results().empty() );
836 if ( retStmt->get_expr()->get_results().front()->get_isLvalue() ) {
837/// retStmt->set_expr( mutateExpression( retStmt->get_expr() ) );
838 TypeInstType *typeInst = dynamic_cast< TypeInstType *>( retval->get_type() );
839 assert( typeInst );
840 std::map< std::string, DeclarationWithType *>::const_iterator assignIter = assignOps.find( typeInst->get_name() );
841 if ( assignIter == assignOps.end() ) {
842 throw SemanticError( "Attempt to return dtype or ftype object in ", retStmt->get_expr() );
843 } // if
844 ApplicationExpr *assignExpr = new ApplicationExpr( new VariableExpr( assignIter->second ) );
845 Expression *retParm = new NameExpr( retval->get_name() );
846 retParm->get_results().push_back( new PointerType( Type::Qualifiers(), retval->get_type()->clone() ) );
847 assignExpr->get_args().push_back( retParm );
848 assignExpr->get_args().push_back( retStmt->get_expr() );
849 stmtsToAdd.push_back( new ExprStmt( noLabels, mutateExpression( assignExpr ) ) );
850 } else {
851 useRetval = true;
852 stmtsToAdd.push_back( new ExprStmt( noLabels, mutateExpression( retStmt->get_expr() ) ) );
853 useRetval = false;
854 } // if
855 retStmt->set_expr( 0 );
856 } else {
857 retStmt->set_expr( mutateExpression( retStmt->get_expr() ) );
858 } // if
859 return retStmt;
860 }
861
862 Type * Pass1::mutate( PointerType *pointerType ) {
863 TyVarMap oldtyVars = scopeTyVars;
864 makeTyVarMap( pointerType, scopeTyVars );
865
866 Type *ret = Mutator::mutate( pointerType );
867
868 scopeTyVars = oldtyVars;
869 return ret;
870 }
871
872 Type * Pass1::mutate( FunctionType *functionType ) {
873 TyVarMap oldtyVars = scopeTyVars;
874 makeTyVarMap( functionType, scopeTyVars );
875
876 Type *ret = Mutator::mutate( functionType );
877
878 scopeTyVars = oldtyVars;
879 return ret;
880 }
881
882 void Pass1::doBeginScope() {
883 adapters.push(AdapterMap());
884 }
885
886 void Pass1::doEndScope() {
887 adapters.pop();
888 }
889
890////////////////////////////////////////// Pass2 ////////////////////////////////////////////////////
891
892 Pass2::Pass2() {}
893
894 void Pass2::addAdapters( FunctionType *functionType ) {
895 std::list< DeclarationWithType *> &paramList = functionType->get_parameters();
896 std::list< FunctionType *> functions;
897 for ( std::list< DeclarationWithType *>::iterator arg = paramList.begin(); arg != paramList.end(); ++arg ) {
898 Type *orig = (*arg)->get_type();
899 findAndReplaceFunction( orig, functions, scopeTyVars, needsAdapter );
900 (*arg)->set_type( orig );
901 }
902 std::set< std::string > adaptersDone;
903 for ( std::list< FunctionType *>::iterator funType = functions.begin(); funType != functions.end(); ++funType ) {
904 std::string mangleName = SymTab::Mangler::mangle( *funType );
905 if ( adaptersDone.find( mangleName ) == adaptersDone.end() ) {
906 std::string adapterName = makeAdapterName( mangleName );
907 paramList.push_front( new ObjectDecl( adapterName, DeclarationNode::NoStorageClass, LinkageSpec::C, 0, new PointerType( Type::Qualifiers(), makeAdapterType( *funType, scopeTyVars ) ), 0 ) );
908 adaptersDone.insert( adaptersDone.begin(), mangleName );
909 }
910 }
911/// deleteAll( functions );
912 }
913
914 template< typename DeclClass >
915 DeclClass * Pass2::handleDecl( DeclClass *decl, Type *type ) {
916 DeclClass *ret = static_cast< DeclClass *>( Mutator::mutate( decl ) );
917
918 return ret;
919 }
920
921 DeclarationWithType * Pass2::mutate( FunctionDecl *functionDecl ) {
922 return handleDecl( functionDecl, functionDecl->get_functionType() );
923 }
924
925 ObjectDecl * Pass2::mutate( ObjectDecl *objectDecl ) {
926 return handleDecl( objectDecl, objectDecl->get_type() );
927 }
928
929 TypeDecl * Pass2::mutate( TypeDecl *typeDecl ) {
930 scopeTyVars[ typeDecl->get_name() ] = typeDecl->get_kind();
931 if ( typeDecl->get_base() ) {
932 return handleDecl( typeDecl, typeDecl->get_base() );
933 } else {
934 return Mutator::mutate( typeDecl );
935 }
936 }
937
938 TypedefDecl * Pass2::mutate( TypedefDecl *typedefDecl ) {
939 return handleDecl( typedefDecl, typedefDecl->get_base() );
940 }
941
942 Type * Pass2::mutate( PointerType *pointerType ) {
943 TyVarMap oldtyVars = scopeTyVars;
944 makeTyVarMap( pointerType, scopeTyVars );
945
946 Type *ret = Mutator::mutate( pointerType );
947
948 scopeTyVars = oldtyVars;
949 return ret;
950 }
951
952 Type *Pass2::mutate( FunctionType *funcType ) {
953 TyVarMap oldtyVars = scopeTyVars;
954 makeTyVarMap( funcType, scopeTyVars );
955
956 std::string typeName;
957 if ( isPolyRet( funcType, typeName ) ) {
958 DeclarationWithType *ret = funcType->get_returnVals().front();
959 ret->set_type( new PointerType( Type::Qualifiers(), ret->get_type() ) );
960 funcType->get_parameters().push_front( ret );
961 funcType->get_returnVals().pop_front();
962 }
963
964 std::list< DeclarationWithType *>::iterator last = funcType->get_parameters().begin();
965 std::list< DeclarationWithType *> inferredParams;
966 ObjectDecl *newObj = new ObjectDecl( "", DeclarationNode::NoStorageClass, LinkageSpec::C, 0, new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ), 0 );
967/// ObjectDecl *newFunPtr = new ObjectDecl( "", DeclarationNode::NoStorageClass, LinkageSpec::Cforall, 0, new PointerType( Type::Qualifiers(), new FunctionType( Type::Qualifiers(), true ) ), 0 );
968 for ( std::list< TypeDecl *>::const_iterator tyParm = funcType->get_forall().begin(); tyParm != funcType->get_forall().end(); ++tyParm ) {
969 ObjectDecl *thisParm;
970 if ( (*tyParm)->get_kind() == TypeDecl::Any ) {
971 thisParm = newObj->clone();
972 thisParm->set_name( (*tyParm)->get_name() );
973 last = funcType->get_parameters().insert( last, thisParm );
974 ++last;
975 }
976 for ( std::list< DeclarationWithType *>::iterator assert = (*tyParm)->get_assertions().begin(); assert != (*tyParm)->get_assertions().end(); ++assert ) {
977/// *assert = (*assert)->acceptMutator( *this );
978 inferredParams.push_back( *assert );
979 }
980 (*tyParm)->get_assertions().clear();
981 }
982 delete newObj;
983 funcType->get_parameters().splice( last, inferredParams );
984 addAdapters( funcType );
985 mutateAll( funcType->get_returnVals(), *this );
986 mutateAll( funcType->get_parameters(), *this );
987
988 scopeTyVars = oldtyVars;
989 return funcType;
990 }
991
992////////////////////////////////////////// Pass3 ////////////////////////////////////////////////////
993
994 template< typename DeclClass >
995 DeclClass * Pass3::handleDecl( DeclClass *decl, Type *type ) {
996 TyVarMap oldtyVars = scopeTyVars;
997 makeTyVarMap( type, scopeTyVars );
998
999 DeclClass *ret = static_cast< DeclClass *>( Mutator::mutate( decl ) );
1000 ScrubTyVars::scrub( decl, scopeTyVars );
1001
1002 scopeTyVars = oldtyVars;
1003 return ret;
1004 }
1005
1006 ObjectDecl * Pass3::mutate( ObjectDecl *objectDecl ) {
1007 return handleDecl( objectDecl, objectDecl->get_type() );
1008 }
1009
1010 DeclarationWithType * Pass3::mutate( FunctionDecl *functionDecl ) {
1011 return handleDecl( functionDecl, functionDecl->get_functionType() );
1012 }
1013
1014 TypedefDecl * Pass3::mutate( TypedefDecl *typedefDecl ) {
1015 return handleDecl( typedefDecl, typedefDecl->get_base() );
1016 }
1017
1018 TypeDecl * Pass3::mutate( TypeDecl *typeDecl ) {
1019/// Initializer *init = 0;
1020/// std::list< Expression *> designators;
1021/// scopeTyVars[ typeDecl->get_name() ] = typeDecl->get_kind();
1022/// if ( typeDecl->get_base() ) {
1023/// init = new SimpleInit( new SizeofExpr( handleDecl( typeDecl, typeDecl->get_base() ) ), designators );
1024/// }
1025/// return new ObjectDecl( typeDecl->get_name(), Declaration::Extern, LinkageSpec::C, 0, new BasicType( Type::Qualifiers(), BasicType::UnsignedInt ), init );
1026
1027 scopeTyVars[ typeDecl->get_name() ] = typeDecl->get_kind();
1028 return Mutator::mutate( typeDecl );
1029 }
1030
1031 Type * Pass3::mutate( PointerType *pointerType ) {
1032 TyVarMap oldtyVars = scopeTyVars;
1033 makeTyVarMap( pointerType, scopeTyVars );
1034
1035 Type *ret = Mutator::mutate( pointerType );
1036
1037 scopeTyVars = oldtyVars;
1038 return ret;
1039 }
1040
1041 Type * Pass3::mutate( FunctionType *functionType ) {
1042 TyVarMap oldtyVars = scopeTyVars;
1043 makeTyVarMap( functionType, scopeTyVars );
1044
1045 Type *ret = Mutator::mutate( functionType );
1046
1047 scopeTyVars = oldtyVars;
1048 return ret;
1049 }
1050
1051 Statement *Pass3::mutate( DeclStmt *declStmt ) {
1052 if ( ObjectDecl *objectDecl = dynamic_cast< ObjectDecl *>( declStmt->get_decl() ) ) {
1053 if ( isPolyVal( objectDecl->get_type(), scopeTyVars ) ) {
1054 TypeInstType *typeInst = dynamic_cast< TypeInstType *>( objectDecl->get_type() );
1055 assert( typeInst );
1056 UntypedExpr *alloc = new UntypedExpr( new NameExpr( "__builtin_alloca" ) );
1057 alloc->get_args().push_back( new NameExpr( typeInst->get_name() ) );
1058 UntypedExpr *assign = new UntypedExpr( new NameExpr( "?=?" ) );
1059 assign->get_args().push_back( new VariableExpr( objectDecl ) );
1060 assign->get_args().push_back( alloc );
1061 stmtsToAddAfter.push_back( new ExprStmt( noLabels, assign ) );
1062 }
1063 }
1064 return Mutator::mutate( declStmt );
1065 }
1066 } // anonymous namespace
1067} // namespace GenPoly
1068
1069// Local Variables: //
1070// tab-width: 4 //
1071// mode: c++ //
1072// compile-command: "make install" //
1073// End: //
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