| [51587aa] | 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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| [2c57025] | 7 | // ScrubTyVars.cc -- |
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| [51587aa] | 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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| [01aeade] | 11 | // Last Modified By : Peter A. Buhr |
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| [a08ba92] | 12 | // Last Modified On : Tue May 19 16:42:42 2015 |
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| 13 | // Update Count : 2 |
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| [51587aa] | 14 | // |
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| [01aeade] | 15 | |
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| [78dd0da] | 16 | #include <sstream> |
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| [db0b3ce] | 17 | #include <string> |
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| 18 | |
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| [51b7345] | 19 | #include "GenPoly.h" |
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| 20 | #include "ScrubTyVars.h" |
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| 21 | |
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| 22 | #include "SynTree/Mutator.h" |
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| 23 | #include "SynTree/Type.h" |
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| [bdd516a] | 24 | #include "SynTree/Expression.h" |
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| [51b7345] | 25 | |
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| 26 | namespace GenPoly { |
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| [a08ba92] | 27 | Type * ScrubTyVars::mutate( TypeInstType *typeInst ) { |
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| [01aeade] | 28 | TyVarMap::const_iterator tyVar = tyVars.find( typeInst->get_name() ); |
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| [ebe9b3a] | 29 | if ( tyVar != tyVars.end() ) { |
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| [2c57025] | 30 | switch ( tyVar->second.kind ) { |
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| [01aeade] | 31 | case TypeDecl::Any: |
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| 32 | case TypeDecl::Dtype: |
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| [8f60f0b] | 33 | case TypeDecl::Ttype: |
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| [01aeade] | 34 | { |
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| 35 | PointerType *ret = new PointerType( Type::Qualifiers(), new VoidType( typeInst->get_qualifiers() ) ); |
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| 36 | delete typeInst; |
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| 37 | return ret; |
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| 38 | } |
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| 39 | case TypeDecl::Ftype: |
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| 40 | delete typeInst; |
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| 41 | return new PointerType( Type::Qualifiers(), new FunctionType( Type::Qualifiers(), true ) ); |
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| 42 | } // switch |
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| 43 | } // if |
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| 44 | return typeInst; |
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| [a08ba92] | 45 | } |
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| [51b7345] | 46 | |
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| [b18b0b5] | 47 | Type * ScrubTyVars::mutateAggregateType( Type *ty ) { |
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| [3bb195cb] | 48 | if ( shouldScrub( ty ) ) { |
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| [b18b0b5] | 49 | PointerType *ret = new PointerType( Type::Qualifiers(), new VoidType( ty->get_qualifiers() ) ); |
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| 50 | delete ty; |
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| 51 | return ret; |
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| 52 | } |
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| 53 | return ty; |
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| 54 | } |
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| [2c57025] | 55 | |
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| [b18b0b5] | 56 | Type * ScrubTyVars::mutate( StructInstType *structInst ) { |
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| 57 | return mutateAggregateType( structInst ); |
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| 58 | } |
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| 59 | |
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| 60 | Type * ScrubTyVars::mutate( UnionInstType *unionInst ) { |
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| 61 | return mutateAggregateType( unionInst ); |
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| 62 | } |
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| 63 | |
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| [a08ba92] | 64 | Expression * ScrubTyVars::mutate( SizeofExpr *szeof ) { |
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| [db0b3ce] | 65 | // sizeof( T ) => _sizeof_T parameter, which is the size of T |
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| [3bb195cb] | 66 | if ( Type *dynType = shouldScrub( szeof->get_type() ) ) { |
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| 67 | Expression *expr = new NameExpr( sizeofName( mangleType( dynType ) ) ); |
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| [01aeade] | 68 | return expr; |
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| 69 | } else { |
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| 70 | return Mutator::mutate( szeof ); |
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| 71 | } // if |
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| [a08ba92] | 72 | } |
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| [51b7345] | 73 | |
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| [db0b3ce] | 74 | Expression * ScrubTyVars::mutate( AlignofExpr *algnof ) { |
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| 75 | // alignof( T ) => _alignof_T parameter, which is the alignment of T |
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| [3bb195cb] | 76 | if ( Type *dynType = shouldScrub( algnof->get_type() ) ) { |
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| 77 | Expression *expr = new NameExpr( alignofName( mangleType( dynType ) ) ); |
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| [db0b3ce] | 78 | return expr; |
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| 79 | } else { |
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| 80 | return Mutator::mutate( algnof ); |
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| 81 | } // if |
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| 82 | } |
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| 83 | |
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| [a08ba92] | 84 | Type * ScrubTyVars::mutate( PointerType *pointer ) { |
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| [3bb195cb] | 85 | // // special case of shouldScrub that takes all TypeInstType pointer bases, even if they're not dynamic |
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| 86 | // Type *base = pointer->get_base(); |
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| 87 | // Type *dynType = 0; |
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| 88 | // if ( dynamicOnly ) { |
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| 89 | // if ( TypeInstType *typeInst = dynamic_cast< TypeInstType* >( base ) ) { |
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| 90 | // if ( tyVars.find( typeInst->get_name() ) != tyVars.end() ) { dynType = typeInst; } |
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| 91 | // } else { |
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| 92 | // dynType = isDynType( base, tyVars ); |
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| 93 | // } |
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| 94 | // } else { |
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| 95 | // dynType = isPolyType( base, tyVars ); |
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| 96 | // } |
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| 97 | // if ( dynType ) { |
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| 98 | if ( Type *dynType = shouldScrub( pointer->get_base() ) ) { |
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| 99 | Type *ret = dynType->acceptMutator( *this ); |
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| [6d160d7] | 100 | ret->get_qualifiers() += pointer->get_qualifiers(); |
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| 101 | pointer->set_base( 0 ); |
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| 102 | delete pointer; |
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| 103 | return ret; |
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| 104 | } |
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| [01aeade] | 105 | return Mutator::mutate( pointer ); |
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| [a08ba92] | 106 | } |
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| [51b7345] | 107 | } // namespace GenPoly |
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| [01aeade] | 108 | |
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| [51587aa] | 109 | // Local Variables: // |
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| 110 | // tab-width: 4 // |
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| 111 | // mode: c++ // |
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| 112 | // compile-command: "make install" // |
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| 113 | // End: // |
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