Changes in / [803deb1:421edab]
- Location:
- src
- Files:
-
- 1 added
- 25 edited
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src/CodeGen/CodeGenerator.cc
r803deb1 r421edab 5 5 // file "LICENCE" distributed with Cforall. 6 6 // 7 // CodeGenerator.cc -- 7 // CodeGenerator.cc -- 8 8 // 9 9 // Author : Richard C. Bilson … … 98 98 handleStorageClass( objectDecl ); 99 99 output << genType( objectDecl->get_type(), mangleName( objectDecl ) ); 100 100 101 101 if ( objectDecl->get_init() ) { 102 102 output << " = "; … … 112 112 if ( aggDecl->get_name() != "" ) 113 113 output << aggDecl->get_name(); 114 114 115 115 std::list< Declaration * > &memb = aggDecl->get_members(); 116 116 … … 118 118 output << " {" << endl; 119 119 120 cur_indent += CodeGenerator::tabsize; 120 cur_indent += CodeGenerator::tabsize; 121 121 for ( std::list< Declaration* >::iterator i = memb.begin(); i != memb.end(); i++) { 122 output << indent; 122 output << indent; 123 123 (*i)->accept( *this ); 124 124 output << ";" << endl; 125 125 } 126 126 127 cur_indent -= CodeGenerator::tabsize; 127 cur_indent -= CodeGenerator::tabsize; 128 128 129 129 output << indent << "}"; … … 140 140 handleAggregate( aggregateDecl ); 141 141 } 142 142 143 143 void CodeGenerator::visit( EnumDecl *aggDecl ) { 144 144 output << "enum "; … … 146 146 if ( aggDecl->get_name() != "" ) 147 147 output << aggDecl->get_name(); 148 148 149 149 std::list< Declaration* > &memb = aggDecl->get_members(); 150 150 … … 152 152 output << " {" << endl; 153 153 154 cur_indent += CodeGenerator::tabsize; 154 cur_indent += CodeGenerator::tabsize; 155 155 for ( std::list< Declaration* >::iterator i = memb.begin(); i != memb.end(); i++) { 156 156 ObjectDecl *obj = dynamic_cast< ObjectDecl* >( *i ); 157 157 assert( obj ); 158 output << indent << mangleName( obj ); 158 output << indent << mangleName( obj ); 159 159 if ( obj->get_init() ) { 160 160 output << " = "; … … 164 164 } // for 165 165 166 cur_indent -= CodeGenerator::tabsize; 166 cur_indent -= CodeGenerator::tabsize; 167 167 168 168 output << indent << "}"; 169 169 } // if 170 170 } 171 171 172 172 void CodeGenerator::visit( ContextDecl *aggregateDecl ) {} 173 173 174 174 void CodeGenerator::visit( TypedefDecl *typeDecl ) { 175 175 output << "typedef "; 176 176 output << genType( typeDecl->get_base(), typeDecl->get_name() ); 177 177 } 178 178 179 179 void CodeGenerator::visit( TypeDecl *typeDecl ) { 180 180 // really, we should mutate this into something that isn't a TypeDecl but that requires large-scale changes, … … 216 216 } 217 217 218 void CodeGenerator::visit( Constant *constant ) { 218 void CodeGenerator::visit( Constant *constant ) { 219 219 output << constant->get_value() ; 220 220 } … … 233 233 assert( arg != applicationExpr->get_args().end() ); 234 234 if ( AddressExpr *addrExpr = dynamic_cast< AddressExpr * >( *arg ) ) { 235 235 236 236 *arg = addrExpr->get_arg(); 237 237 } else { … … 242 242 break; 243 243 } 244 244 245 245 default: 246 246 // do nothing 247 247 ; 248 248 } 249 249 250 250 switch ( opInfo.type ) { 251 251 case OT_INDEX: … … 256 256 output << "]"; 257 257 break; 258 258 259 259 case OT_CALL: 260 260 // there are no intrinsic definitions of the function call operator 261 261 assert( false ); 262 262 break; 263 263 264 264 case OT_PREFIX: 265 265 case OT_PREFIXASSIGN: … … 270 270 output << ")"; 271 271 break; 272 272 273 273 case OT_POSTFIX: 274 274 case OT_POSTFIXASSIGN: … … 287 287 output << ")"; 288 288 break; 289 289 290 290 case OT_CONSTANT: 291 291 case OT_LABELADDRESS: … … 306 306 } // if 307 307 } 308 308 309 309 void CodeGenerator::visit( UntypedExpr *untypedExpr ) { 310 310 if ( NameExpr *nameExpr = dynamic_cast< NameExpr* >( untypedExpr->get_function() ) ) { … … 320 320 output << "]"; 321 321 break; 322 322 323 323 case OT_CALL: 324 324 assert( false ); 325 325 break; 326 326 327 327 case OT_PREFIX: 328 328 case OT_PREFIXASSIGN: … … 334 334 output << ")"; 335 335 break; 336 336 337 337 case OT_POSTFIX: 338 338 case OT_POSTFIXASSIGN: … … 341 341 output << opInfo.symbol; 342 342 break; 343 343 344 344 case OT_INFIX: 345 345 case OT_INFIXASSIGN: … … 351 351 output << ")"; 352 352 break; 353 353 354 354 case OT_CONSTANT: 355 355 // there are no intrinsic definitions of 0 or 1 as functions … … 369 369 } // if 370 370 } 371 371 372 372 void CodeGenerator::visit( NameExpr *nameExpr ) { 373 373 OperatorInfo opInfo; … … 379 379 } // if 380 380 } 381 381 382 382 void CodeGenerator::visit( AddressExpr *addressExpr ) { 383 383 output << "(&"; … … 408 408 output << ")"; 409 409 } 410 410 411 411 void CodeGenerator::visit( UntypedMemberExpr *memberExpr ) { 412 412 assert( false ); 413 413 } 414 414 415 415 void CodeGenerator::visit( MemberExpr *memberExpr ) { 416 416 memberExpr->get_aggregate()->accept( *this ); 417 417 output << "." << mangleName( memberExpr->get_member() ); 418 418 } 419 419 420 420 void CodeGenerator::visit( VariableExpr *variableExpr ) { 421 421 OperatorInfo opInfo; … … 426 426 } // if 427 427 } 428 428 429 429 void CodeGenerator::visit( ConstantExpr *constantExpr ) { 430 430 assert( constantExpr->get_constant() ); 431 431 constantExpr->get_constant()->accept( *this ); 432 432 } 433 433 434 434 void CodeGenerator::visit( SizeofExpr *sizeofExpr ) { 435 435 output << "sizeof("; … … 442 442 } 443 443 444 void CodeGenerator::visit( AlignofExpr * sizeofExpr ) {444 void CodeGenerator::visit( AlignofExpr *alignofExpr ) { 445 445 // use GCC extension to avoid bumping std to C11 446 446 output << "__alignof__("; 447 if ( sizeofExpr->get_isType() ) {448 output << genType( sizeofExpr->get_type(), "" );449 } else { 450 sizeofExpr->get_expr()->accept( *this );447 if ( alignofExpr->get_isType() ) { 448 output << genType( alignofExpr->get_type(), "" ); 449 } else { 450 alignofExpr->get_expr()->accept( *this ); 451 451 } // if 452 452 output << ")"; 453 453 } 454 454 455 void CodeGenerator::visit( OffsetofExpr *offsetofExpr ) { 456 // use GCC builtin 457 output << "__builtin_offsetof("; 458 output << genType( offsetofExpr->get_type(), "" ); 459 output << ", " << mangleName( offsetofExpr->get_member() ); 460 output << ")"; 461 } 462 455 463 void CodeGenerator::visit( LogicalExpr *logicalExpr ) { 456 464 output << "("; … … 464 472 output << ")"; 465 473 } 466 474 467 475 void CodeGenerator::visit( ConditionalExpr *conditionalExpr ) { 468 476 output << "("; … … 474 482 output << ")"; 475 483 } 476 484 477 485 void CodeGenerator::visit( CommaExpr *commaExpr ) { 478 486 output << "("; … … 482 490 output << ")"; 483 491 } 484 492 485 493 void CodeGenerator::visit( TupleExpr *tupleExpr ) {} 486 494 487 495 void CodeGenerator::visit( TypeExpr *typeExpr ) {} 488 496 … … 515 523 } 516 524 } 517 cur_indent -= CodeGenerator::tabsize; 525 cur_indent -= CodeGenerator::tabsize; 518 526 519 527 output << indent << "}"; … … 521 529 522 530 void CodeGenerator::visit( ExprStmt *exprStmt ) { 523 // I don't see why this check is necessary. 524 // If this starts to cause problems then put it back in, 531 // I don't see why this check is necessary. 532 // If this starts to cause problems then put it back in, 525 533 // with an explanation 526 534 assert( exprStmt ); … … 572 580 switchStmt->get_condition()->accept( *this ); 573 581 output << " ) "; 574 582 575 583 output << "{" << std::endl; 576 584 cur_indent += CodeGenerator::tabsize; … … 592 600 } // if 593 601 output << ":\n"; 594 602 595 603 std::list<Statement *> sts = caseStmt->get_statements(); 596 604 … … 609 617 if ( ! branchStmt->get_target().empty() ) 610 618 output << "goto " << branchStmt->get_target(); 611 else { 619 else { 612 620 if ( branchStmt->get_computedTarget() != 0 ) { 613 621 output << "goto *"; … … 660 668 661 669 void CodeGenerator::visit( ForStmt *forStmt ) { 662 // initialization is always hoisted, so don't 663 // bother doing anything with that 670 // initialization is always hoisted, so don't 671 // bother doing anything with that 664 672 output << "for (;"; 665 673 … … 685 693 void CodeGenerator::visit( DeclStmt *declStmt ) { 686 694 declStmt->get_decl()->accept( *this ); 687 695 688 696 if ( doSemicolon( declStmt->get_decl() ) ) { 689 697 output << ";"; -
src/CodeGen/CodeGenerator.h
r803deb1 r421edab 61 61 virtual void visit( SizeofExpr *sizeofExpr ); 62 62 virtual void visit( AlignofExpr *alignofExpr ); 63 virtual void visit( OffsetofExpr *offsetofExpr ); 63 64 virtual void visit( LogicalExpr *logicalExpr ); 64 65 virtual void visit( ConditionalExpr *conditionalExpr ); -
src/GenPoly/Box.cc
r803deb1 r421edab 22 22 23 23 #include "Box.h" 24 #include "InstantiateGeneric.h" 24 25 #include "PolyMutator.h" 25 26 #include "FindFunction.h" 27 #include "ScopedMap.h" 26 28 #include "ScrubTyVars.h" 27 29 … … 69 71 virtual void doEndScope(); 70 72 private: 73 /// Makes a new temporary array holding the offsets of the fields of `type`, and returns a new variable expression referencing it 74 Expression *makeOffsetArray( StructInstType *type ); 75 /// passes extra type parameters into a polymorphic function application 71 76 void passTypeVars( ApplicationExpr *appExpr, std::list< Expression *>::iterator &arg, const TyVarMap &exprTyVars ); 77 /// wraps a function application with a new temporary for the out-parameter return value 72 78 Expression *addRetParam( ApplicationExpr *appExpr, FunctionType *function, Type *retType, std::list< Expression *>::iterator &arg ); 73 Expression *addPolyRetParam( ApplicationExpr *appExpr, FunctionType *function, std::string typeName, std::list< Expression *>::iterator &arg ); 79 /// Replaces all the type parameters of a generic type with their concrete equivalents under the current environment 80 void replaceParametersWithConcrete( ApplicationExpr *appExpr, std::list< Expression* >& params ); 81 /// Replaces a polymorphic type with its concrete equivalant under the current environment (returns itself if concrete). 82 /// If `doClone` is set to false, will not clone interior types 83 Type *replaceWithConcrete( ApplicationExpr *appExpr, Type *type, bool doClone = true ); 84 /// wraps a function application returning a polymorphic type with a new temporary for the out-parameter return value 85 Expression *addPolyRetParam( ApplicationExpr *appExpr, FunctionType *function, ReferenceToType *polyType, std::list< Expression *>::iterator &arg ); 74 86 Expression *applyAdapter( ApplicationExpr *appExpr, FunctionType *function, std::list< Expression *>::iterator &arg, const TyVarMap &exprTyVars ); 75 87 void boxParam( Type *formal, Expression *&arg, const TyVarMap &exprTyVars ); 76 88 void boxParams( ApplicationExpr *appExpr, FunctionType *function, std::list< Expression *>::iterator &arg, const TyVarMap &exprTyVars ); 77 89 void addInferredParams( ApplicationExpr *appExpr, FunctionType *functionType, std::list< Expression *>::iterator &arg, const TyVarMap &tyVars ); 90 /// Stores assignment operators from assertion list in local map of assignment operations 78 91 void findAssignOps( const std::list< TypeDecl *> &forall ); 79 92 void passAdapters( ApplicationExpr *appExpr, FunctionType *functionType, const TyVarMap &exprTyVars ); 80 93 FunctionDecl *makeAdapter( FunctionType *adaptee, FunctionType *realType, const std::string &mangleName, const TyVarMap &tyVars ); 94 /// Replaces intrinsic operator functions with their arithmetic desugaring 81 95 Expression *handleIntrinsics( ApplicationExpr *appExpr ); 96 /// Inserts a new temporary variable into the current scope with an auto-generated name 82 97 ObjectDecl *makeTemporary( Type *type ); 83 98 84 99 typedef std::map< std::string, DeclarationWithType *> AdapterMap; 85 100 std::map< std::string, DeclarationWithType *> assignOps; 101 ScopedMap< std::string, DeclarationWithType *> scopedAssignOps; 86 102 std::stack< AdapterMap > adapters; 87 103 DeclarationWithType *retval; … … 107 123 }; 108 124 109 /// Replaces initialization of polymorphic values with alloca, declaration of dtype/ftype with appropriate void expression, and sizeof expressions of polymorphic types with the proper variable110 class Pass3: public PolyMutator {125 /// Replaces member expressions for polymorphic types with calculated add-field-offset-and-dereference 126 class MemberExprFixer : public PolyMutator { 111 127 public: 112 128 template< typename DeclClass > … … 119 135 virtual Type *mutate( PointerType *pointerType ); 120 136 virtual Type *mutate( FunctionType *funcType ); 137 virtual Expression *mutate( MemberExpr *memberExpr ); 138 }; 139 140 /// Replaces initialization of polymorphic values with alloca, declaration of dtype/ftype with appropriate void expression, and sizeof expressions of polymorphic types with the proper variable 141 class Pass3 : public PolyMutator { 142 public: 143 template< typename DeclClass > 144 DeclClass *handleDecl( DeclClass *decl, Type *type ); 145 virtual DeclarationWithType *mutate( FunctionDecl *functionDecl ); 146 virtual ObjectDecl *mutate( ObjectDecl *objectDecl ); 147 virtual TypedefDecl *mutate( TypedefDecl *objectDecl ); 148 virtual TypeDecl *mutate( TypeDecl *objectDecl ); 149 virtual Type *mutate( PointerType *pointerType ); 150 virtual Type *mutate( FunctionType *funcType ); 121 151 private: 122 152 }; … … 133 163 } 134 164 165 /// version of mutateAll with special handling for translation unit so you can check the end of the prelude when debugging 166 template< typename MutatorType > 167 inline void mutateTranslationUnit( std::list< Declaration* > &translationUnit, MutatorType &mutator ) { 168 bool seenIntrinsic = false; 169 SemanticError errors; 170 for ( typename std::list< Declaration* >::iterator i = translationUnit.begin(); i != translationUnit.end(); ++i ) { 171 try { 172 if ( *i ) { 173 if ( (*i)->get_linkage() == LinkageSpec::Intrinsic ) { 174 seenIntrinsic = true; 175 } else if ( seenIntrinsic ) { 176 seenIntrinsic = false; // break on this line when debugging for end of prelude 177 } 178 179 *i = dynamic_cast< Declaration* >( (*i)->acceptMutator( mutator ) ); 180 assert( *i ); 181 } // if 182 } catch( SemanticError &e ) { 183 errors.append( e ); 184 } // try 185 } // for 186 if ( ! errors.isEmpty() ) { 187 throw errors; 188 } // if 189 } 190 135 191 void box( std::list< Declaration *>& translationUnit ) { 136 192 Pass1 pass1; 137 193 Pass2 pass2; 194 MemberExprFixer memberFixer; 138 195 Pass3 pass3; 139 mutateAll( translationUnit, pass1 ); 140 mutateAll( translationUnit, pass2 ); 141 mutateAll( translationUnit, pass3 ); 196 mutateTranslationUnit/*All*/( translationUnit, pass1 ); 197 mutateTranslationUnit/*All*/( translationUnit, pass2 ); 198 instantiateGeneric( translationUnit ); 199 mutateTranslationUnit/*All*/( translationUnit, memberFixer ); 200 mutateTranslationUnit/*All*/( translationUnit, pass3 ); 142 201 } 143 202 … … 185 244 } 186 245 187 // returns true if the given declaration is: (*?=?)(T *, T) for some T (return not checked, but maybe should be)188 bool checkAssignment( DeclarationWithType *decl, std::string &name) {246 /// returns T if the given declaration is: (*?=?)(T *, T) for some T (return not checked, but maybe should be), NULL otherwise 247 ReferenceToType *isAssignment( DeclarationWithType *decl ) { 189 248 if ( decl->get_name() == "?=?" ) { 190 if ( PointerType *ptrType = dynamic_cast< PointerType *>( decl->get_type() ) ) { 191 if ( FunctionType *funType = dynamic_cast< FunctionType *>( ptrType->get_base() ) ) { 192 if ( funType->get_parameters().size() == 2 ) { 193 if ( PointerType *pointer = dynamic_cast< PointerType *>( funType->get_parameters().front()->get_type() ) ) { 194 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType *>( pointer->get_base() ) ) { 195 if ( TypeInstType *typeInst2 = dynamic_cast< TypeInstType *>( funType->get_parameters().back()->get_type() ) ) { 196 if ( typeInst->get_name() == typeInst2->get_name() ) { 197 name = typeInst->get_name(); 198 return true; 199 } // if 249 if ( FunctionType *funType = getFunctionType( decl->get_type() ) ) { 250 if ( funType->get_parameters().size() == 2 ) { 251 if ( PointerType *pointer = dynamic_cast< PointerType *>( funType->get_parameters().front()->get_type() ) ) { 252 if ( ReferenceToType *refType = dynamic_cast< ReferenceToType *>( pointer->get_base() ) ) { 253 if ( ReferenceToType *refType2 = dynamic_cast< ReferenceToType *>( funType->get_parameters().back()->get_type() ) ) { 254 if ( refType->get_name() == refType2->get_name() ) { 255 return refType; 200 256 } // if 201 257 } // if … … 205 261 } // if 206 262 } // if 207 return false;263 return 0; 208 264 } 209 265 … … 214 270 for ( std::list< DeclarationWithType *>::const_iterator assert = (*i)->get_assertions().begin(); assert != (*i)->get_assertions().end(); ++assert ) { 215 271 std::string typeName; 216 if ( checkAssignment( *assert, typeName) ) {217 assignOps[ type Name] = *assert;272 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType* >( isAssignment( *assert ) ) ) { 273 assignOps[ typeInst->get_name() ] = *assert; 218 274 } // if 219 275 } // for … … 222 278 223 279 DeclarationWithType *Pass1::mutate( FunctionDecl *functionDecl ) { 280 // if this is a polymorphic assignment function, put it in the map for this scope 281 if ( ReferenceToType *refType = isAssignment( functionDecl ) ) { 282 if ( ! dynamic_cast< TypeInstType* >( refType ) ) { 283 scopedAssignOps.insert( refType->get_name(), functionDecl ); 284 } 285 } 286 224 287 if ( functionDecl->get_statements() ) { // empty routine body ? 225 288 doBeginScope(); … … 231 294 // process polymorphic return value 232 295 retval = 0; 233 std::string typeName; 234 if ( isPolyRet( functionDecl->get_functionType(), typeName ) && functionDecl->get_linkage() == LinkageSpec::Cforall ) { 296 if ( isPolyRet( functionDecl->get_functionType() ) && functionDecl->get_linkage() == LinkageSpec::Cforall ) { 235 297 retval = functionDecl->get_functionType()->get_returnVals().front(); 236 298 … … 256 318 findFunction( (*arg)->get_type(), functions, scopeTyVars, needsAdapter ); 257 319 } // for 320 258 321 AdapterMap & adapters = Pass1::adapters.top(); 259 322 for ( std::list< FunctionType *>::iterator funType = functions.begin(); funType != functions.end(); ++funType ) { … … 306 369 } 307 370 371 Expression *Pass1::makeOffsetArray( StructInstType *ty ) { 372 // make a new temporary array 373 Type *offsetType = new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ); 374 ObjectDecl *arrayTemp = makeTemporary( new PointerType( Type::Qualifiers(), offsetType ) ); 375 376 // build initializer list for temporary 377 std::list< Initializer* > inits; 378 StructDecl *tyBase = ty->get_baseStruct(); 379 for ( std::list< Declaration* >::const_iterator member = tyBase->get_members().begin(); member != tyBase->get_members().end(); ++member ) { 380 DeclarationWithType *memberDecl; 381 if ( DeclarationWithType *origMember = dynamic_cast< DeclarationWithType* >( *member ) ) { 382 memberDecl = origMember->clone(); 383 } else { 384 memberDecl = new ObjectDecl( (*member)->get_name(), DeclarationNode::NoStorageClass, LinkageSpec::Cforall, 0, offsetType->clone(), 0 ); 385 } 386 inits.push_back( new SingleInit( new OffsetofExpr( ty->clone(), memberDecl ) ) ); 387 } 388 arrayTemp->set_init( new ListInit( inits ) ); 389 390 // return variable pointing to temporary 391 return new VariableExpr( arrayTemp ); 392 } 393 308 394 void Pass1::passTypeVars( ApplicationExpr *appExpr, std::list< Expression *>::iterator &arg, const TyVarMap &exprTyVars ) { 309 395 // pass size/align for type variables … … 325 411 326 412 // add size/align for generic types to parameter list 327 //assert( ! appExpr->get_function()->get_results().empty() );328 413 if ( appExpr->get_function()->get_results().empty() ) return; 329 414 FunctionType *funcType = getFunctionType( appExpr->get_function()->get_results().front() ); … … 345 430 arg = appExpr->get_args().insert( arg, new AlignofExpr( argType->clone() ) ); 346 431 arg++; 432 if ( dynamic_cast< StructInstType* >( parmType ) ) { 433 if ( StructInstType *argStructType = dynamic_cast< StructInstType* >( argType ) ) { 434 arg = appExpr->get_args().insert( arg, makeOffsetArray( argStructType ) ); 435 arg++; 436 } else { 437 throw SemanticError( "Cannot pass non-struct type for generic struct" ); 438 } 439 } 347 440 348 441 seenTypes.insert( sizeName ); … … 386 479 } 387 480 388 Expression *Pass1::addPolyRetParam( ApplicationExpr *appExpr, FunctionType *function, std::string typeName, std::list< Expression *>::iterator &arg ) { 389 ResolvExpr::EqvClass eqvClass; 481 void Pass1::replaceParametersWithConcrete( ApplicationExpr *appExpr, std::list< Expression* >& params ) { 482 for ( std::list< Expression* >::iterator param = params.begin(); param != params.end(); ++param ) { 483 TypeExpr *paramType = dynamic_cast< TypeExpr* >( *param ); 484 assert(paramType && "Aggregate parameters should be type expressions"); 485 paramType->set_type( replaceWithConcrete( appExpr, paramType->get_type(), false ) ); 486 } 487 } 488 489 Type *Pass1::replaceWithConcrete( ApplicationExpr *appExpr, Type *type, bool doClone ) { 490 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType * >( type ) ) { 491 Type *concrete = env->lookup( typeInst->get_name() ); 492 if ( concrete == 0 ) { 493 throw SemanticError( "Unbound type variable " + typeInst->get_name() + " in ", appExpr ); 494 } // if 495 return concrete; 496 } else if ( StructInstType *structType = dynamic_cast< StructInstType* >( type ) ) { 497 if ( doClone ) { 498 structType = structType->clone(); 499 } 500 replaceParametersWithConcrete( appExpr, structType->get_parameters() ); 501 return structType; 502 } else if ( UnionInstType *unionType = dynamic_cast< UnionInstType* >( type ) ) { 503 if ( doClone ) { 504 unionType = unionType->clone(); 505 } 506 replaceParametersWithConcrete( appExpr, unionType->get_parameters() ); 507 return unionType; 508 } 509 return type; 510 } 511 512 Expression *Pass1::addPolyRetParam( ApplicationExpr *appExpr, FunctionType *function, ReferenceToType *polyType, std::list< Expression *>::iterator &arg ) { 390 513 assert( env ); 391 Type *concrete = env->lookup( typeName ); 392 if ( concrete == 0 ) { 393 throw SemanticError( "Unbound type variable " + typeName + " in ", appExpr ); 394 } // if 514 Type *concrete = replaceWithConcrete( appExpr, polyType ); 395 515 return addRetParam( appExpr, function, concrete, arg ); 396 516 } … … 492 612 assert( arg ); 493 613 if ( isPolyType( realParam->get_type(), tyVars ) ) { 494 // if ( dynamic_cast< PointerType *>( arg->get_type() ) ) {495 // return new CastExpr( new VariableExpr( param ), arg->get_type()->clone() );496 // } else {497 614 if ( dynamic_cast<TypeInstType *>(arg->get_type()) == NULL ) { 498 615 UntypedExpr *deref = new UntypedExpr( new NameExpr( "*?" ) ); … … 501 618 return deref; 502 619 } // if 503 // }504 620 } // if 505 621 return new VariableExpr( param ); … … 791 907 std::list< Expression *>::iterator paramBegin = appExpr->get_args().begin(); 792 908 793 std::string typeName; 794 if ( isPolyRet( function, typeName ) ) { 795 ret = addPolyRetParam( appExpr, function, typeName, arg ); 909 if ( ReferenceToType *polyType = isPolyRet( function ) ) { 910 ret = addPolyRetParam( appExpr, function, polyType, arg ); 796 911 } else if ( needsAdapter( function, scopeTyVars ) ) { 797 912 // std::cerr << "needs adapter: "; … … 880 995 delete castExpr; 881 996 } //while 882 TypeInstType *typeInst = dynamic_cast< TypeInstType *>( retval->get_type() ); 883 assert( typeInst ); 884 std::map< std::string, DeclarationWithType *>::const_iterator assignIter = assignOps.find( typeInst->get_name() ); 885 if ( assignIter == assignOps.end() ) { 886 throw SemanticError( "Attempt to return dtype or ftype object in ", returnStmt->get_expr() ); 887 } // if 888 ApplicationExpr *assignExpr = new ApplicationExpr( new VariableExpr( assignIter->second ) ); 997 998 // find assignment operator for (polymorphic) return type 999 DeclarationWithType *assignDecl = 0; 1000 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType *>( retval->get_type() ) ) { 1001 std::map< std::string, DeclarationWithType *>::const_iterator assignIter = assignOps.find( typeInst->get_name() ); 1002 if ( assignIter == assignOps.end() ) { 1003 throw SemanticError( "Attempt to return dtype or ftype object in ", returnStmt->get_expr() ); 1004 } // if 1005 assignDecl = assignIter->second; 1006 } else if ( ReferenceToType *refType = dynamic_cast< ReferenceToType *>( retval->get_type() ) ) { 1007 ScopedMap< std::string, DeclarationWithType *>::const_iterator assignIter = scopedAssignOps.find( refType->get_name() ); 1008 if ( assignIter == scopedAssignOps.end() ) { 1009 throw SemanticError( "Attempt to return dtype or ftype generic object in ", returnStmt->get_expr() ); 1010 } 1011 DeclarationWithType *functionDecl = assignIter->second; 1012 // line below cloned from FixFunction.cc 1013 assignDecl = new ObjectDecl( functionDecl->get_name(), functionDecl->get_storageClass(), functionDecl->get_linkage(), 0, 1014 new PointerType( Type::Qualifiers(), functionDecl->get_type()->clone() ), 0 ); 1015 assignDecl->set_mangleName( functionDecl->get_mangleName() ); 1016 } 1017 assert( assignDecl ); 1018 1019 // replace return statement with appropriate assignment to out parameter 1020 ApplicationExpr *assignExpr = new ApplicationExpr( new VariableExpr( assignDecl ) ); 889 1021 Expression *retParm = new NameExpr( retval->get_name() ); 890 1022 retParm->get_results().push_back( new PointerType( Type::Qualifiers(), retval->get_type()->clone() ) ); … … 927 1059 // push a copy of the current map 928 1060 adapters.push(adapters.top()); 1061 scopedAssignOps.beginScope(); 929 1062 } 930 1063 931 1064 void Pass1::doEndScope() { 932 1065 adapters.pop(); 1066 scopedAssignOps.endScope(); 933 1067 } 934 1068 … … 998 1132 999 1133 // move polymorphic return type to parameter list 1000 std::string typeName; 1001 if ( isPolyRet( funcType, typeName ) ) { 1134 if ( isPolyRet( funcType ) ) { 1002 1135 DeclarationWithType *ret = funcType->get_returnVals().front(); 1003 1136 ret->set_type( new PointerType( Type::Qualifiers(), ret->get_type() ) ); … … 1010 1143 std::list< DeclarationWithType *> inferredParams; 1011 1144 ObjectDecl newObj( "", DeclarationNode::NoStorageClass, LinkageSpec::C, 0, new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ), 0 ); 1145 ObjectDecl newPtr( "", DeclarationNode::NoStorageClass, LinkageSpec::C, 0, 1146 new PointerType( Type::Qualifiers(), new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ), 0 ); 1012 1147 // ObjectDecl *newFunPtr = new ObjectDecl( "", DeclarationNode::NoStorageClass, LinkageSpec::Cforall, 0, new PointerType( Type::Qualifiers(), new FunctionType( Type::Qualifiers(), true ) ), 0 ); 1013 1148 for ( std::list< TypeDecl *>::const_iterator tyParm = funcType->get_forall().begin(); tyParm != funcType->get_forall().end(); ++tyParm ) { … … 1036 1171 1037 1172 // add size/align for generic types to parameter list 1038 std::set< std::string > seenTypes; // <sizeofName for generic types we've seen1173 std::set< std::string > seenTypes; // sizeofName for generic types we've seen 1039 1174 for ( std::list< DeclarationWithType* >::const_iterator fnParm = last; fnParm != funcType->get_parameters().end(); ++fnParm ) { 1040 1175 Type *parmType = (*fnParm)->get_type(); … … 1043 1178 if ( seenTypes.count( sizeName ) ) continue; 1044 1179 1045 ObjectDecl *sizeParm, *alignParm ;1180 ObjectDecl *sizeParm, *alignParm, *offsetParm; 1046 1181 sizeParm = newObj.clone(); 1047 1182 sizeParm->set_name( sizeName ); … … 1053 1188 last = funcType->get_parameters().insert( last, alignParm ); 1054 1189 ++last; 1190 1191 if ( dynamic_cast< StructInstType* >( parmType ) ) { 1192 offsetParm = newPtr.clone(); 1193 offsetParm->set_name( offsetofName( parmType ) ); 1194 last = funcType->get_parameters().insert( last, offsetParm ); 1195 ++last; 1196 } 1055 1197 1056 1198 seenTypes.insert( sizeName ); … … 1066 1208 scopeTyVars = oldtyVars; 1067 1209 return funcType; 1210 } 1211 1212 ////////////////////////////////////////// MemberExprFixer //////////////////////////////////////////////////// 1213 1214 template< typename DeclClass > 1215 DeclClass * MemberExprFixer::handleDecl( DeclClass *decl, Type *type ) { 1216 TyVarMap oldtyVars = scopeTyVars; 1217 makeTyVarMap( type, scopeTyVars ); 1218 1219 DeclClass *ret = static_cast< DeclClass *>( Mutator::mutate( decl ) ); 1220 1221 scopeTyVars = oldtyVars; 1222 return ret; 1223 } 1224 1225 ObjectDecl * MemberExprFixer::mutate( ObjectDecl *objectDecl ) { 1226 return handleDecl( objectDecl, objectDecl->get_type() ); 1227 } 1228 1229 DeclarationWithType * MemberExprFixer::mutate( FunctionDecl *functionDecl ) { 1230 return handleDecl( functionDecl, functionDecl->get_functionType() ); 1231 } 1232 1233 TypedefDecl * MemberExprFixer::mutate( TypedefDecl *typedefDecl ) { 1234 return handleDecl( typedefDecl, typedefDecl->get_base() ); 1235 } 1236 1237 TypeDecl * MemberExprFixer::mutate( TypeDecl *typeDecl ) { 1238 scopeTyVars[ typeDecl->get_name() ] = typeDecl->get_kind(); 1239 return Mutator::mutate( typeDecl ); 1240 } 1241 1242 Type * MemberExprFixer::mutate( PointerType *pointerType ) { 1243 TyVarMap oldtyVars = scopeTyVars; 1244 makeTyVarMap( pointerType, scopeTyVars ); 1245 1246 Type *ret = Mutator::mutate( pointerType ); 1247 1248 scopeTyVars = oldtyVars; 1249 return ret; 1250 } 1251 1252 Type * MemberExprFixer::mutate( FunctionType *functionType ) { 1253 TyVarMap oldtyVars = scopeTyVars; 1254 makeTyVarMap( functionType, scopeTyVars ); 1255 1256 Type *ret = Mutator::mutate( functionType ); 1257 1258 scopeTyVars = oldtyVars; 1259 return ret; 1260 } 1261 1262 Statement *MemberExprFixer::mutate( DeclStmt *declStmt ) { 1263 if ( ObjectDecl *objectDecl = dynamic_cast< ObjectDecl *>( declStmt->get_decl() ) ) { 1264 if ( isPolyType( objectDecl->get_type(), scopeTyVars ) ) { 1265 // change initialization of a polymorphic value object 1266 // to allocate storage with alloca 1267 Type *declType = objectDecl->get_type(); 1268 UntypedExpr *alloc = new UntypedExpr( new NameExpr( "__builtin_alloca" ) ); 1269 alloc->get_args().push_back( new NameExpr( sizeofName( declType ) ) ); 1270 1271 delete objectDecl->get_init(); 1272 1273 std::list<Expression*> designators; 1274 objectDecl->set_init( new SingleInit( alloc, designators ) ); 1275 } 1276 } 1277 return Mutator::mutate( declStmt ); 1278 } 1279 1280 Expression *MemberExprFixer::mutate( MemberExpr *memberExpr ) { 1281 // mutate, exiting early if no longer MemberExpr 1282 Expression *expr = Mutator::mutate( memberExpr ); 1283 memberExpr = dynamic_cast< MemberExpr* >( expr ); 1284 if ( ! memberExpr ) return expr; 1285 1286 // get declaration for base struct, exiting early if not found 1287 VariableExpr *varExpr = getBaseVar( memberExpr->get_aggregate() ); 1288 if ( ! varExpr ) return memberExpr; 1289 ObjectDecl *objectDecl = dynamic_cast< ObjectDecl* >( varExpr->get_var() ); 1290 if ( ! objectDecl ) return memberExpr; 1291 1292 // only mutate member expressions for polymorphic types 1293 Type *objectType = hasPolyBase( objectDecl->get_type(), scopeTyVars ); 1294 if ( ! objectType ) return memberExpr; 1295 1296 // get base aggregate for type so members can be looked up 1297 AggregateDecl *memberBase = 0; 1298 if ( StructInstType *structType = dynamic_cast< StructInstType* >( objectType ) ) { 1299 memberBase = structType->get_baseStruct(); 1300 } else if ( UnionInstType *unionType = dynamic_cast< UnionInstType* >( objectType ) ) { 1301 memberBase = unionType->get_baseUnion(); 1302 } else return memberExpr; 1303 1304 // look up numeric index of member in base aggregate 1305 DeclarationWithType *memberDecl = memberExpr->get_member(); 1306 std::list< Declaration* > &baseDecls = memberBase->get_members(); 1307 std::list< Declaration* >::const_iterator decl = baseDecls.begin(); 1308 unsigned long i = 0; 1309 for( ; decl != baseDecls.end(); ++decl, ++i ) { 1310 if ( memberDecl->get_name() != (*decl)->get_name() ) continue; 1311 1312 if ( DeclarationWithType *declWithType = dynamic_cast< DeclarationWithType* >( *decl ) ) { 1313 if ( memberDecl->get_mangleName() == declWithType->get_mangleName() ) break; 1314 else continue; 1315 } else break; 1316 } 1317 if ( decl == baseDecls.end() ) return memberExpr; 1318 1319 // replace member expression with dereference of pointer offset 1320 std::stringstream offset_namer; 1321 offset_namer << i; 1322 ConstantExpr *fieldIndex = new ConstantExpr( Constant( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ), offset_namer.str() ) ); 1323 UntypedExpr *fieldOffset = new UntypedExpr( new NameExpr( "?[?]" ) ); 1324 fieldOffset->get_args().push_back( new NameExpr( offsetofName( objectType ) ) ); 1325 fieldOffset->get_args().push_back( fieldIndex ); 1326 UntypedExpr *fieldLoc = new UntypedExpr( new NameExpr( "?+?" ) ); 1327 fieldLoc->get_args().push_back( memberExpr->get_aggregate() ); 1328 fieldLoc->get_args().push_back( fieldOffset ); 1329 UntypedExpr *ret = new UntypedExpr( new NameExpr( "*?" ) ); 1330 ret->get_args().push_back( fieldLoc ); 1331 1332 memberExpr->set_aggregate( 0 ); 1333 delete memberExpr; 1334 return ret; 1068 1335 } 1069 1336 … … 1126 1393 return ret; 1127 1394 } 1128 1129 Statement *Pass3::mutate( DeclStmt *declStmt ) {1130 if ( ObjectDecl *objectDecl = dynamic_cast< ObjectDecl *>( declStmt->get_decl() ) ) {1131 if ( isPolyType( objectDecl->get_type(), scopeTyVars ) ) {1132 // change initialization of a polymorphic value object1133 // to allocate storage with alloca1134 Type *declType = objectDecl->get_type();1135 UntypedExpr *alloc = new UntypedExpr( new NameExpr( "__builtin_alloca" ) );1136 alloc->get_args().push_back( new NameExpr( sizeofName( declType ) ) );1137 1138 delete objectDecl->get_init();1139 1140 std::list<Expression*> designators;1141 objectDecl->set_init( new SingleInit( alloc, designators ) );1142 }1143 }1144 return Mutator::mutate( declStmt );1145 }1146 1395 } // anonymous namespace 1147 1396 } // namespace GenPoly -
src/GenPoly/GenPoly.cc
r803deb1 r421edab 36 36 } 37 37 38 bool isPolyRet( FunctionType *function, std::string &name, const TyVarMap &otherTyVars ) { 39 bool doTransform = false; 38 ReferenceToType *isPolyRet( FunctionType *function ) { 40 39 if ( ! function->get_returnVals().empty() ) { 41 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType *>( function->get_returnVals().front()->get_type() ) ) { 42 43 // figure out if the return type is specified by a type parameter 44 for ( std::list< TypeDecl *>::const_iterator tyVar = function->get_forall().begin(); tyVar != function->get_forall().end(); ++tyVar ) { 45 if ( (*tyVar)->get_name() == typeInst->get_name() ) { 46 doTransform = true; 47 name = typeInst->get_name(); 48 break; 49 } // if 50 } // for 51 if ( ! doTransform && otherTyVars.find( typeInst->get_name() ) != otherTyVars.end() ) { 52 doTransform = true; 53 } // if 54 } // if 55 } // if 56 return doTransform; 57 } 58 59 bool isPolyRet( FunctionType *function, std::string &name ) { 60 TyVarMap dummyTyVars; 61 return isPolyRet( function, name, dummyTyVars ); 62 } 63 64 bool isPolyRet( FunctionType *function, const TyVarMap &otherTyVars ) { 65 std::string dummyString; 66 return isPolyRet( function, dummyString, otherTyVars ); 40 TyVarMap forallTypes; 41 makeTyVarMap( function, forallTypes ); 42 return (ReferenceToType*)isPolyType( function->get_returnVals().front()->get_type(), forallTypes ); 43 } // if 44 return 0; 67 45 } 68 46 … … 149 127 } 150 128 129 Type *hasPolyBase( Type *type, const TypeSubstitution *env ) { 130 if ( PointerType *ptr = dynamic_cast< PointerType *>( type ) ) { 131 return hasPolyBase( ptr->get_base(), env ); 132 } else if ( env ) { 133 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType *>( type ) ) { 134 if ( Type *newType = env->lookup( typeInst->get_name() ) ) { 135 return hasPolyBase( newType, env ); 136 } // if 137 } // if 138 } 139 140 return isPolyType( type, env ); 141 } 142 143 Type *hasPolyBase( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env ) { 144 if ( PointerType *ptr = dynamic_cast< PointerType *>( type ) ) { 145 return hasPolyBase( ptr->get_base(), tyVars, env ); 146 } else if ( env ) { 147 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType *>( type ) ) { 148 if ( Type *newType = env->lookup( typeInst->get_name() ) ) { 149 return hasPolyBase( newType, tyVars, env ); 150 } // if 151 } // if 152 } 153 154 return isPolyType( type, tyVars, env ); 155 } 156 151 157 FunctionType * getFunctionType( Type *ty ) { 152 158 PointerType *ptrType; … … 158 164 } 159 165 166 VariableExpr *getBaseVar( Expression *expr ) { 167 if ( VariableExpr *varExpr = dynamic_cast< VariableExpr* >( expr ) ) { 168 // found the variable directly 169 return varExpr; 170 } else if ( UntypedExpr *untypedExpr = dynamic_cast< UntypedExpr* >( expr ) ) { 171 // look for compiler-inserted dereference operator 172 NameExpr *fn = dynamic_cast< NameExpr* >( untypedExpr->get_function() ); 173 if ( ! fn || fn->get_name() != std::string("*?") ) return 0; 174 return getBaseVar( *untypedExpr->begin_args() ); 175 } else return 0; 176 } 177 178 void makeTyVarMap( Type *type, TyVarMap &tyVarMap ) { 179 for ( std::list< TypeDecl* >::const_iterator tyVar = type->get_forall().begin(); tyVar != type->get_forall().end(); ++tyVar ) { 180 assert( *tyVar ); 181 tyVarMap[ (*tyVar)->get_name() ] = (*tyVar)->get_kind(); 182 } 183 if ( PointerType *pointer = dynamic_cast< PointerType* >( type ) ) { 184 makeTyVarMap( pointer->get_base(), tyVarMap ); 185 } 186 } 187 160 188 void printTyVarMap( std::ostream &os, const TyVarMap &tyVarMap ) { 161 189 for ( TyVarMap::const_iterator i = tyVarMap.begin(); i != tyVarMap.end(); ++i ) { … … 172 200 return std::string( "_alignof_" ) + SymTab::Mangler::mangleType( ty ); 173 201 } 202 203 std::string offsetofName( Type* ty ) { 204 return std::string( "_offsetof_" ) + SymTab::Mangler::mangleType( ty ); 205 } 206 174 207 } // namespace GenPoly 175 208 -
src/GenPoly/GenPoly.h
r803deb1 r421edab 22 22 23 23 #include "SynTree/Declaration.h" 24 #include "SynTree/Type.h" 24 25 #include "SynTree/TypeSubstitution.h" 25 26 … … 32 33 33 34 /// true iff function has polymorphic return type 34 bool isPolyRet( FunctionType *function, std::string &name, const TyVarMap &otherTyVars ); 35 bool isPolyRet( FunctionType *function, std::string &name ); 36 bool isPolyRet( FunctionType *function, const TyVarMap &otherTyVars ); 35 ReferenceToType *isPolyRet( FunctionType *function ); 37 36 38 37 /// returns polymorphic type if is polymorphic type, NULL otherwise; will look up substitution in env if provided … … 48 47 Type *isPolyPtr( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env = 0 ); 49 48 49 /// returns polymorphic base type if the base type (after dereferencing any number of pointers) is a polymorphic type, NULL otherwise; 50 /// will look up substitution in env if provided 51 Type *hasPolyBase( Type *type, const TypeSubstitution *env = 0 ); 52 53 /// returns polymorphic base type if the base type (after dereferencing any number of pointers) is a polymorphic type in tyVars, NULL otherwise; 54 /// will look up substitution in env if provided 55 Type *hasPolyBase( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env = 0 ); 56 50 57 /// Returns a pointer to the base FunctionType if ty is the type of a function (or pointer to one), NULL otherwise 51 FunctionType * 58 FunctionType *getFunctionType( Type *ty ); 52 59 60 /// Returns the base variable (possibly repeatedly dereferenced) for an expression, NULL if none found 61 VariableExpr *getBaseVar( Expression *expr ); 62 63 /// Adds the declarations in the forall list of type (and its pointed-to type if it's a pointer type) to `tyVarMap` 64 void makeTyVarMap( Type *type, TyVarMap &tyVarMap ); 65 53 66 /// Prints type variable map 54 67 void printTyVarMap( std::ostream &os, const TyVarMap &tyVarMap ); … … 59 72 /// Gets the name of the alignof parameter for the type 60 73 std::string alignofName( Type *ty ); 74 75 /// Gets the name of the offsetof parameter for the type 76 std::string offsetofName( Type *ty ); 61 77 } // namespace GenPoly 62 78 -
src/GenPoly/PolyMutator.cc
r803deb1 r421edab 152 152 } 153 153 154 155 /* static class method */156 void PolyMutator::makeTyVarMap( Type *type, TyVarMap &tyVarMap ) {157 for ( std::list< TypeDecl* >::const_iterator tyVar = type->get_forall().begin(); tyVar != type->get_forall().end(); ++tyVar ) {158 assert( *tyVar );159 tyVarMap[ (*tyVar)->get_name() ] = (*tyVar)->get_kind();160 }161 if ( PointerType *pointer = dynamic_cast< PointerType* >( type ) ) {162 makeTyVarMap( pointer->get_base(), tyVarMap );163 }164 }165 154 } // namespace GenPoly 166 155 -
src/GenPoly/PolyMutator.h
r803deb1 r421edab 51 51 virtual void doBeginScope() {} 52 52 virtual void doEndScope() {} 53 54 static void makeTyVarMap( Type *type, TyVarMap &tyVarMap );55 53 protected: 56 54 void mutateStatementList( std::list< Statement* > &statements ); -
src/GenPoly/ScrubTyVars.cc
r803deb1 r421edab 27 27 Type * ScrubTyVars::mutate( TypeInstType *typeInst ) { 28 28 TyVarMap::const_iterator tyVar = tyVars.find( typeInst->get_name() ); 29 if ( doAll ||tyVar != tyVars.end() ) {29 if ( tyVar != tyVars.end() ) { 30 30 switch ( tyVar->second ) { 31 31 case TypeDecl::Any: … … 42 42 } // if 43 43 return typeInst; 44 } 45 46 Type * ScrubTyVars::mutateAggregateType( Type *ty ) { 47 if ( isPolyType( ty, tyVars ) ) { 48 PointerType *ret = new PointerType( Type::Qualifiers(), new VoidType( ty->get_qualifiers() ) ); 49 delete ty; 50 return ret; 51 } 52 return ty; 53 } 54 55 Type * ScrubTyVars::mutate( StructInstType *structInst ) { 56 return mutateAggregateType( structInst ); 57 } 58 59 Type * ScrubTyVars::mutate( UnionInstType *unionInst ) { 60 return mutateAggregateType( unionInst ); 44 61 } 45 62 … … 66 83 Type * ScrubTyVars::mutate( PointerType *pointer ) { 67 84 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType * >( pointer->get_base() ) ) { 68 if ( doAll ||tyVars.find( typeInst->get_name() ) != tyVars.end() ) {85 if ( tyVars.find( typeInst->get_name() ) != tyVars.end() ) { 69 86 Type *ret = mutate( typeInst ); 70 87 ret->get_qualifiers() += pointer->get_qualifiers(); -
src/GenPoly/ScrubTyVars.h
r803deb1 r421edab 27 27 class ScrubTyVars : public Mutator { 28 28 public: 29 ScrubTyVars( bool doAll, const TyVarMap &tyVars ): doAll( doAll ),tyVars( tyVars ) {}29 ScrubTyVars( const TyVarMap &tyVars ): tyVars( tyVars ) {} 30 30 31 /// Like scrub( SynTreeClass* ), but only applies to type variables in `tyVars` 31 /// For all polymorphic types with type variables in `tyVars`, replaces generic types, dtypes, and ftypes with the appropriate void type, 32 /// and sizeof/alignof expressions with the proper variable 32 33 template< typename SynTreeClass > 33 34 static SynTreeClass *scrub( SynTreeClass *target, const TyVarMap &tyVars ); 34 /// Replaces dtypes and ftypes with the appropriate void type, and sizeof expressions of polymorphic types with the proper variable 35 template< typename SynTreeClass > 36 static SynTreeClass *scrub( SynTreeClass *target ); 37 35 38 36 virtual Type* mutate( TypeInstType *typeInst ); 39 Expression* mutate( SizeofExpr *szeof ); 40 Expression* mutate( AlignofExpr *algnof ); 37 virtual Type* mutate( StructInstType *structInst ); 38 virtual Type* mutate( UnionInstType *unionInst ); 39 virtual Expression* mutate( SizeofExpr *szeof ); 40 virtual Expression* mutate( AlignofExpr *algnof ); 41 41 virtual Type* mutate( PointerType *pointer ); 42 42 43 private: 43 bool doAll; 44 /// Mutates (possibly generic) aggregate types appropriately 45 Type* mutateAggregateType( Type *ty ); 46 44 47 const TyVarMap &tyVars; 45 48 }; … … 48 51 template< typename SynTreeClass > 49 52 SynTreeClass * ScrubTyVars::scrub( SynTreeClass *target, const TyVarMap &tyVars ) { 50 ScrubTyVars scrubber( false,tyVars );53 ScrubTyVars scrubber( tyVars ); 51 54 return static_cast< SynTreeClass * >( target->acceptMutator( scrubber ) ); 52 55 } 53 56 54 /* static class method */55 template< typename SynTreeClass >56 SynTreeClass * ScrubTyVars::scrub( SynTreeClass *target ) {57 TyVarMap tyVars;58 ScrubTyVars scrubber( true, tyVars );59 return static_cast< SynTreeClass* >( target->acceptMutator( scrubber ) );60 }61 57 } // namespace GenPoly 62 58 -
src/InitTweak/InitModel.h
r803deb1 r421edab 73 73 void visit( SizeofExpr * ) { throw 0; } 74 74 void visit( AlignofExpr * ) { throw 0; } 75 void visit( OffsetofExpr * ) { throw 0; } 75 76 void visit( AttrExpr * ) { throw 0; } 76 77 void visit( LogicalExpr * ) { throw 0; } -
src/ResolvExpr/AlternativeFinder.cc
r803deb1 r421edab 811 811 } 812 812 813 void AlternativeFinder::visit( OffsetofExpr *offsetofExpr ) { 814 alternatives.push_back( Alternative( offsetofExpr->clone(), env, Cost::zero ) ); 815 } 816 813 817 void AlternativeFinder::resolveAttr( DeclarationWithType *funcDecl, FunctionType *function, Type *argType, const TypeEnvironment &env ) { 814 818 // assume no polymorphism -
src/ResolvExpr/AlternativeFinder.h
r803deb1 r421edab 56 56 virtual void visit( ConstantExpr *constantExpr ); 57 57 virtual void visit( SizeofExpr *sizeofExpr ); 58 virtual void visit( AlignofExpr *sizeofExpr ); 58 virtual void visit( AlignofExpr *alignofExpr ); 59 virtual void visit( OffsetofExpr *offsetofExpr ); 59 60 virtual void visit( AttrExpr *attrExpr ); 60 61 virtual void visit( LogicalExpr *logicalExpr ); -
src/SymTab/Indexer.cc
r803deb1 r421edab 225 225 maybeAccept( alignofExpr->get_expr(), *this ); 226 226 } 227 } 228 229 void Indexer::visit( OffsetofExpr *offsetofExpr ) { 230 acceptAllNewScope( offsetofExpr->get_results(), *this ); 231 maybeAccept( offsetofExpr->get_type(), *this ); 232 maybeAccept( offsetofExpr->get_member(), *this ); 227 233 } 228 234 -
src/SymTab/Indexer.h
r803deb1 r421edab 55 55 virtual void visit( SizeofExpr *sizeofExpr ); 56 56 virtual void visit( AlignofExpr *alignofExpr ); 57 virtual void visit( OffsetofExpr *offsetofExpr ); 57 58 virtual void visit( AttrExpr *attrExpr ); 58 59 virtual void visit( LogicalExpr *logicalExpr ); -
src/SynTree/Expression.cc
r803deb1 r421edab 103 103 SizeofExpr::SizeofExpr( Expression *expr_, Expression *_aname ) : 104 104 Expression( _aname ), expr(expr_), type(0), isType(false) { 105 add_result( new BasicType( Type::Qualifiers(), BasicType:: UnsignedInt ) );105 add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); 106 106 } 107 107 108 108 SizeofExpr::SizeofExpr( Type *type_, Expression *_aname ) : 109 109 Expression( _aname ), expr(0), type(type_), isType(true) { 110 add_result( new BasicType( Type::Qualifiers(), BasicType:: UnsignedInt ) );110 add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); 111 111 } 112 112 … … 134 134 AlignofExpr::AlignofExpr( Expression *expr_, Expression *_aname ) : 135 135 Expression( _aname ), expr(expr_), type(0), isType(false) { 136 add_result( new BasicType( Type::Qualifiers(), BasicType:: UnsignedInt ) );136 add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); 137 137 } 138 138 139 139 AlignofExpr::AlignofExpr( Type *type_, Expression *_aname ) : 140 140 Expression( _aname ), expr(0), type(type_), isType(true) { 141 add_result( new BasicType( Type::Qualifiers(), BasicType:: UnsignedInt ) );141 add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); 142 142 } 143 143 … … 158 158 else 159 159 expr->print(os, indent + 2); 160 161 os << std::endl; 162 Expression::print( os, indent ); 163 } 164 165 OffsetofExpr::OffsetofExpr( Type *type_, DeclarationWithType *member_, Expression *_aname ) : 166 Expression( _aname ), type(type_), member(member_) { 167 add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); 168 } 169 170 OffsetofExpr::OffsetofExpr( const OffsetofExpr &other ) : 171 Expression( other ), type( maybeClone( other.type ) ), member( maybeClone( other.member ) ) {} 172 173 OffsetofExpr::~OffsetofExpr() { 174 delete type; 175 delete member; 176 } 177 178 void OffsetofExpr::print( std::ostream &os, int indent) const { 179 os << std::string( indent, ' ' ) << "Offsetof Expression on member "; 180 181 if ( member ) { 182 os << member->get_name(); 183 } else { 184 os << "<NULL>"; 185 } 186 187 os << " of "; 188 189 if ( type ) { 190 type->print(os, indent + 2); 191 } else { 192 os << "<NULL>"; 193 } 160 194 161 195 os << std::endl; -
src/SynTree/Expression.h
r803deb1 r421edab 319 319 }; 320 320 321 /// OffsetofExpr represents an offsetof expression 322 class OffsetofExpr : public Expression { 323 public: 324 OffsetofExpr( Type *type, DeclarationWithType *member, Expression *_aname = 0 ); 325 OffsetofExpr( const OffsetofExpr &other ); 326 virtual ~OffsetofExpr(); 327 328 Type *get_type() const { return type; } 329 void set_type( Type *newValue ) { type = newValue; } 330 DeclarationWithType *get_member() const { return member; } 331 void set_member( DeclarationWithType *newValue ) { member = newValue; } 332 333 virtual OffsetofExpr *clone() const { return new OffsetofExpr( *this ); } 334 virtual void accept( Visitor &v ) { v.visit( this ); } 335 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } 336 virtual void print( std::ostream &os, int indent = 0 ) const; 337 private: 338 Type *type; 339 DeclarationWithType *member; 340 }; 341 321 342 /// AttrExpr represents an @attribute expression (like sizeof, but user-defined) 322 343 class AttrExpr : public Expression { -
src/SynTree/Initializer.h
r803deb1 r421edab 55 55 class SingleInit : public Initializer { 56 56 public: 57 SingleInit( Expression *value, std::list< Expression *> &designators );57 SingleInit( Expression *value, std::list< Expression *> &designators = *(new std::list<Expression *>()) ); 58 58 SingleInit( const SingleInit &other ); 59 59 virtual ~SingleInit(); -
src/SynTree/Mutator.cc
r803deb1 r421edab 261 261 } 262 262 263 Expression *Mutator::mutate( OffsetofExpr *offsetofExpr ) { 264 mutateAll( offsetofExpr->get_results(), *this ); 265 offsetofExpr->set_type( maybeMutate( offsetofExpr->get_type(), *this ) ); 266 offsetofExpr->set_member( maybeMutate( offsetofExpr->get_member(), *this ) ); 267 return offsetofExpr; 268 } 269 263 270 Expression *Mutator::mutate( AttrExpr *attrExpr ) { 264 271 mutateAll( attrExpr->get_results(), *this ); -
src/SynTree/Mutator.h
r803deb1 r421edab 65 65 virtual Expression* mutate( SizeofExpr *sizeofExpr ); 66 66 virtual Expression* mutate( AlignofExpr *alignofExpr ); 67 virtual Expression* mutate( OffsetofExpr *offsetofExpr ); 67 68 virtual Expression* mutate( AttrExpr *attrExpr ); 68 69 virtual Expression* mutate( LogicalExpr *logicalExpr ); -
src/SynTree/SynTree.h
r803deb1 r421edab 70 70 class SizeofExpr; 71 71 class AlignofExpr; 72 class OffsetofExpr; 72 73 class AttrExpr; 73 74 class LogicalExpr; -
src/SynTree/Visitor.cc
r803deb1 r421edab 219 219 } 220 220 221 void Visitor::visit( OffsetofExpr *offsetofExpr ) { 222 acceptAll( offsetofExpr->get_results(), *this ); 223 maybeAccept( offsetofExpr->get_type(), *this ); 224 maybeAccept( offsetofExpr->get_member(), *this ); 225 } 226 221 227 void Visitor::visit( AttrExpr *attrExpr ) { 222 228 acceptAll( attrExpr->get_results(), *this ); -
src/SynTree/Visitor.h
r803deb1 r421edab 65 65 virtual void visit( SizeofExpr *sizeofExpr ); 66 66 virtual void visit( AlignofExpr *alignofExpr ); 67 virtual void visit( OffsetofExpr *offsetofExpr ); 67 68 virtual void visit( AttrExpr *attrExpr ); 68 69 virtual void visit( LogicalExpr *logicalExpr ); -
src/Tuples/FlattenTuple.cc
r803deb1 r421edab 47 47 void FlattenTuple::CollectArgs::visit( SizeofExpr *expr ) { currentArgs.insert( currentArgs.end(), expr ); } 48 48 void FlattenTuple::CollectArgs::visit( AlignofExpr *expr ) { currentArgs.insert( currentArgs.end(), expr ); } 49 void FlattenTuple::CollectArgs::visit( OffsetofExpr *expr ) { currentArgs.insert( currentArgs.end(), expr ); } 49 50 void FlattenTuple::CollectArgs::visit( AttrExpr *expr ) { currentArgs.insert( currentArgs.end(), expr ); } 50 51 void FlattenTuple::CollectArgs::visit( LogicalExpr *expr ) { currentArgs.insert( currentArgs.end(), expr ); } -
src/Tuples/FlattenTuple.h
r803deb1 r421edab 43 43 virtual void visit( SizeofExpr * ); 44 44 virtual void visit( AlignofExpr * ); 45 virtual void visit( OffsetofExpr * ); 45 46 virtual void visit( AttrExpr * ); 46 47 virtual void visit( LogicalExpr * ); -
src/main.cc
r803deb1 r421edab 24 24 #include "SynTree/Declaration.h" 25 25 #include "SynTree/Visitor.h" 26 #include "GenPoly/InstantiateGeneric.h"27 26 #include "GenPoly/Lvalue.h" 28 27 #include "GenPoly/Specialize.h" … … 265 264 } 266 265 267 OPTPRINT( "instantiateGeneric" )268 GenPoly::instantiateGeneric( translationUnit );269 266 OPTPRINT( "copyParams" ); 270 267 GenPoly::copyParams( translationUnit ); … … 275 272 OPTPRINT( "box" ) 276 273 GenPoly::box( translationUnit ); 277 274 278 275 // print tree right before code generation 279 276 if ( codegenp ) {
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