| 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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| 7 | // ScrubTyVars.h -- |
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| 8 | // |
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| 9 | // Author : Richard C. Bilson |
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| 10 | // Created On : Mon May 18 07:44:20 2015 |
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| 11 | // Last Modified By : Peter A. Buhr |
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| 12 | // Last Modified On : Tue May 19 07:48:14 2015 |
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| 13 | // Update Count : 1 |
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| 14 | // |
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| 15 | |
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| 16 | #ifndef _SCRUBTYVARS_H |
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| 17 | #define _SCRUBTYVARS_H |
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| 18 | |
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| 19 | #include <string> |
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| 20 | |
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| 21 | #include "GenPoly.h" |
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| 22 | |
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| 23 | #include "SynTree/SynTree.h" |
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| 24 | #include "SynTree/Mutator.h" |
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| 25 | |
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| 26 | namespace GenPoly { |
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| 27 | class ScrubTyVars : public Mutator { |
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| 28 | public: |
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| 29 | ScrubTyVars( bool doAll, const TyVarMap &tyVars ): doAll( doAll ), tyVars( tyVars ) {} |
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| 30 | |
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| 31 | /// Like scrub( SynTreeClass* ), but only applies to type variables in `tyVars` |
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| 32 | template< typename SynTreeClass > |
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| 33 | static SynTreeClass *scrub( SynTreeClass *target, const TyVarMap &tyVars ); |
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| 34 | /// Replaces dtypes and ftypes with the appropriate void type, and sizeof expressions of polymorphic types with the proper variable |
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| 35 | template< typename SynTreeClass > |
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| 36 | static SynTreeClass *scrub( SynTreeClass *target ); |
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| 37 | |
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| 38 | virtual Type* mutate( TypeInstType *typeInst ); |
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| 39 | virtual Type* mutate( StructInstType *structInst ); |
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| 40 | virtual Type* mutate( UnionInstType *unionInst ); |
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| 41 | virtual Expression* mutate( SizeofExpr *szeof ); |
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| 42 | virtual Expression* mutate( AlignofExpr *algnof ); |
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| 43 | virtual Type* mutate( PointerType *pointer ); |
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| 44 | |
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| 45 | private: |
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| 46 | /// Mutates (possibly generic) aggregate types appropriately |
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| 47 | Type* mutateAggregateType( Type *ty ); |
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| 48 | |
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| 49 | bool doAll; |
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| 50 | const TyVarMap &tyVars; |
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| 51 | }; |
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| 52 | |
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| 53 | /* static class method */ |
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| 54 | template< typename SynTreeClass > |
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| 55 | SynTreeClass * ScrubTyVars::scrub( SynTreeClass *target, const TyVarMap &tyVars ) { |
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| 56 | ScrubTyVars scrubber( false, tyVars ); |
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| 57 | return static_cast< SynTreeClass * >( target->acceptMutator( scrubber ) ); |
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| 58 | } |
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| 59 | |
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| 60 | /* static class method */ |
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| 61 | template< typename SynTreeClass > |
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| 62 | SynTreeClass * ScrubTyVars::scrub( SynTreeClass *target ) { |
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| 63 | TyVarMap tyVars; |
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| 64 | ScrubTyVars scrubber( true, tyVars ); |
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| 65 | return static_cast< SynTreeClass* >( target->acceptMutator( scrubber ) ); |
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| 66 | } |
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| 67 | } // namespace GenPoly |
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| 68 | |
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| 69 | #endif // _SCRUBTYVARS_H |
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| 70 | |
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| 71 | // Local Variables: // |
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| 72 | // tab-width: 4 // |
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| 73 | // mode: c++ // |
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| 74 | // compile-command: "make install" // |
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| 75 | // End: // |
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