| 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 | // FindFunction.cc -- |
|---|
| 8 | // |
|---|
| 9 | // Author : Richard C. Bilson |
|---|
| 10 | // Created On : Mon May 18 07:44:20 2015 |
|---|
| 11 | // Last Modified By : Peter A. Buhr |
|---|
| 12 | // Last Modified On : Tue May 19 07:35:48 2015 |
|---|
| 13 | // Update Count : 1 |
|---|
| 14 | // |
|---|
| 15 | |
|---|
| 16 | #include "FindFunction.h" |
|---|
| 17 | #include "SynTree/Type.h" |
|---|
| 18 | #include "SynTree/Declaration.h" |
|---|
| 19 | #include "SynTree/Visitor.h" |
|---|
| 20 | |
|---|
| 21 | namespace GenPoly { |
|---|
| 22 | class FindFunction : public Mutator { |
|---|
| 23 | public: |
|---|
| 24 | FindFunction( std::list< FunctionType* > &functions, const TyVarMap &tyVars, bool replaceMode, FindFunctionPredicate predicate ); |
|---|
| 25 | |
|---|
| 26 | virtual Type *mutate( FunctionType *functionType ); |
|---|
| 27 | virtual Type *mutate( PointerType *pointerType ); |
|---|
| 28 | private: |
|---|
| 29 | void handleForall( const std::list< TypeDecl* > &forall ); |
|---|
| 30 | |
|---|
| 31 | std::list< FunctionType* > &functions; |
|---|
| 32 | TyVarMap tyVars; |
|---|
| 33 | bool replaceMode; |
|---|
| 34 | FindFunctionPredicate predicate; |
|---|
| 35 | }; |
|---|
| 36 | |
|---|
| 37 | void findFunction( Type *type, std::list< FunctionType* > &functions, const TyVarMap &tyVars, FindFunctionPredicate predicate ) { |
|---|
| 38 | FindFunction finder( functions, tyVars, false, predicate ); |
|---|
| 39 | type->acceptMutator( finder ); |
|---|
| 40 | } |
|---|
| 41 | |
|---|
| 42 | void findAndReplaceFunction( Type *&type, std::list< FunctionType* > &functions, const TyVarMap &tyVars, FindFunctionPredicate predicate ) { |
|---|
| 43 | FindFunction finder( functions, tyVars, true, predicate ); |
|---|
| 44 | type = type->acceptMutator( finder ); |
|---|
| 45 | } |
|---|
| 46 | |
|---|
| 47 | FindFunction::FindFunction( std::list< FunctionType* > &functions, const TyVarMap &tyVars, bool replaceMode, FindFunctionPredicate predicate ) |
|---|
| 48 | : functions( functions ), tyVars( tyVars ), replaceMode( replaceMode ), predicate( predicate ) { |
|---|
| 49 | } |
|---|
| 50 | |
|---|
| 51 | void FindFunction::handleForall( const std::list< TypeDecl* > &forall ) { |
|---|
| 52 | for ( std::list< TypeDecl* >::const_iterator i = forall.begin(); i != forall.end(); ++i ) { |
|---|
| 53 | TyVarMap::iterator var = tyVars.find( (*i)->get_name() ); |
|---|
| 54 | if ( var != tyVars.end() ) { |
|---|
| 55 | tyVars.erase( var ); |
|---|
| 56 | } // if |
|---|
| 57 | } // for |
|---|
| 58 | } |
|---|
| 59 | |
|---|
| 60 | Type * FindFunction::mutate( FunctionType *functionType ) { |
|---|
| 61 | TyVarMap oldTyVars = tyVars; |
|---|
| 62 | handleForall( functionType->get_forall() ); |
|---|
| 63 | mutateAll( functionType->get_returnVals(), *this ); |
|---|
| 64 | Type *ret = functionType; |
|---|
| 65 | if ( predicate( functionType, tyVars ) ) { |
|---|
| 66 | functions.push_back( functionType ); |
|---|
| 67 | if ( replaceMode ) { |
|---|
| 68 | ret = new FunctionType( Type::Qualifiers(), true ); |
|---|
| 69 | } // if |
|---|
| 70 | } // if |
|---|
| 71 | tyVars = oldTyVars; |
|---|
| 72 | return ret; |
|---|
| 73 | } |
|---|
| 74 | |
|---|
| 75 | Type * FindFunction::mutate( PointerType *pointerType ) { |
|---|
| 76 | TyVarMap oldTyVars = tyVars; |
|---|
| 77 | handleForall( pointerType->get_forall() ); |
|---|
| 78 | Type *ret = Mutator::mutate( pointerType ); |
|---|
| 79 | tyVars = oldTyVars; |
|---|
| 80 | return ret; |
|---|
| 81 | } |
|---|
| 82 | } // namespace GenPoly |
|---|
| 83 | |
|---|
| 84 | // Local Variables: // |
|---|
| 85 | // tab-width: 4 // |
|---|
| 86 | // mode: c++ // |
|---|
| 87 | // compile-command: "make install" // |
|---|
| 88 | // End: // |
|---|
