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 "SynTree/Mutator.h" |
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23 | #include "SynTree/Type.h" |
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24 | #include "SynTree/Expression.h" |
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25 | |
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26 | namespace GenPoly { |
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27 | Type * ScrubTyVars::mutate( TypeInstType *typeInst ) { |
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28 | TyVarMap::const_iterator tyVar = tyVars.find( typeInst->get_name() ); |
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29 | if ( tyVar != tyVars.end() ) { |
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30 | switch ( tyVar->second.kind ) { |
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31 | case TypeDecl::Any: |
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32 | case TypeDecl::Dtype: |
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33 | case TypeDecl::Ttype: |
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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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45 | } |
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46 | |
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47 | Type * ScrubTyVars::mutateAggregateType( Type *ty ) { |
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48 | if ( shouldScrub( ty ) ) { |
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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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55 | |
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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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64 | Expression * ScrubTyVars::mutate( SizeofExpr *szeof ) { |
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65 | // sizeof( T ) => _sizeof_T parameter, which is the size of T |
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66 | if ( Type *dynType = shouldScrub( szeof->get_type() ) ) { |
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67 | Expression *expr = new NameExpr( sizeofName( mangleType( dynType ) ) ); |
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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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72 | } |
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73 | |
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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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76 | if ( Type *dynType = shouldScrub( algnof->get_type() ) ) { |
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77 | Expression *expr = new NameExpr( alignofName( mangleType( dynType ) ) ); |
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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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84 | Type * ScrubTyVars::mutate( PointerType *pointer ) { |
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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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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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105 | return Mutator::mutate( pointer ); |
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106 | } |
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107 | } // namespace GenPoly |
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108 | |
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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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