| 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.cc -- |
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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 16:42:42 2015 |
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| 13 | // Update Count : 2 |
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| 14 | // |
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| 15 | |
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| 16 | #include <sstream> |
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| 17 | #include <string> |
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| 18 | |
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| 19 | #include "GenPoly.h" |
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| 20 | #include "ScrubTyVars.h" |
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| 21 | |
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| 22 | #include "SymTab/Mangler.h" |
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| 23 | |
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| 24 | #include "SynTree/Mutator.h" |
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| 25 | #include "SynTree/Type.h" |
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| 26 | #include "SynTree/Expression.h" |
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| 27 | |
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| 28 | namespace GenPoly { |
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| 29 | Type * ScrubTyVars::mutate( TypeInstType *typeInst ) { |
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| 30 | TyVarMap::const_iterator tyVar = tyVars.find( typeInst->get_name() ); |
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| 31 | if ( doAll || tyVar != tyVars.end() ) { |
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| 32 | switch ( tyVar->second ) { |
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| 33 | case TypeDecl::Any: |
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| 34 | case TypeDecl::Dtype: |
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| 35 | { |
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| 36 | PointerType *ret = new PointerType( Type::Qualifiers(), new VoidType( typeInst->get_qualifiers() ) ); |
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| 37 | delete typeInst; |
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| 38 | return ret; |
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| 39 | } |
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| 40 | case TypeDecl::Ftype: |
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| 41 | delete typeInst; |
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| 42 | return new PointerType( Type::Qualifiers(), new FunctionType( Type::Qualifiers(), true ) ); |
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| 43 | } // switch |
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| 44 | } // if |
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| 45 | return typeInst; |
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| 46 | } |
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| 47 | |
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| 48 | Expression * ScrubTyVars::mutate( SizeofExpr *szeof ) { |
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| 49 | // sizeof( T ) => _sizeof_T parameter, which is the size of T |
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| 50 | if ( TypeInstType *typeInst = dynamic_cast< TypeInstType * >( szeof->get_type() ) ) { |
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| 51 | Expression *expr = new NameExpr( sizeofName( typeInst ) ); |
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| 52 | return expr; |
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| 53 | } else { |
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| 54 | return Mutator::mutate( szeof ); |
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| 55 | } // if |
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| 56 | } |
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| 57 | |
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| 58 | Expression * ScrubTyVars::mutate( AlignofExpr *algnof ) { |
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| 59 | // alignof( T ) => _alignof_T parameter, which is the alignment of T |
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| 60 | if ( TypeInstType *typeInst = dynamic_cast< TypeInstType * >( algnof->get_type() ) ) { |
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| 61 | Expression *expr = new NameExpr( alignofName( typeInst ) ); |
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| 62 | return expr; |
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| 63 | } else { |
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| 64 | return Mutator::mutate( algnof ); |
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| 65 | } // if |
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| 66 | } |
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| 67 | |
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| 68 | Type * ScrubTyVars::mutate( PointerType *pointer ) { |
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| 69 | if ( TypeInstType *typeInst = dynamic_cast< TypeInstType * >( pointer->get_base() ) ) { |
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| 70 | if ( doAll || tyVars.find( typeInst->get_name() ) != tyVars.end() ) { |
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| 71 | Type *ret = mutate( typeInst ); |
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| 72 | ret->get_qualifiers() += pointer->get_qualifiers(); |
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| 73 | pointer->set_base( 0 ); |
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| 74 | delete pointer; |
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| 75 | return ret; |
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| 76 | } // if |
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| 77 | } // if |
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| 78 | return Mutator::mutate( pointer ); |
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| 79 | } |
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| 80 | |
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| 81 | std::string sizeofName( Type *ty ) { |
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| 82 | return std::string( "_sizeof_" ) + SymTab::Mangler::mangle( ty, false, false ); |
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| 83 | } |
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| 84 | |
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| 85 | std::string alignofName( Type *ty ) { |
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| 86 | return std::string( "_alignof_" ) + SymTab::Mangler::mangle( ty, false, false ); |
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| 87 | } |
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| 88 | } // namespace GenPoly |
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| 89 | |
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| 90 | // Local Variables: // |
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| 91 | // tab-width: 4 // |
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| 92 | // mode: c++ // |
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| 93 | // compile-command: "make install" // |
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| 94 | // End: // |
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