[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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[540de412] | 7 | // GenPoly.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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[ca35c51] | 11 | // Last Modified By : Peter A. Buhr |
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| 12 | // Last Modified On : Wed Jun 29 21:45:53 2016 |
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| 13 | // Update Count : 14 |
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[51587aa] | 14 | // |
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[51b7345] | 15 | |
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| 16 | #include "GenPoly.h" |
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[5a3ac84] | 17 | #include "assert.h" |
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[ffad73a] | 18 | |
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| 19 | #include "SynTree/Expression.h" |
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[51b7345] | 20 | #include "SynTree/Type.h" |
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[5a3ac84] | 21 | #include "ResolvExpr/typeops.h" |
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[51b7345] | 22 | |
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[b1a6d6b] | 23 | #include <iostream> |
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[5a3ac84] | 24 | #include <iterator> |
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| 25 | #include <list> |
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| 26 | #include <typeindex> |
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| 27 | #include <typeinfo> |
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| 28 | #include <vector> |
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[b1a6d6b] | 29 | using namespace std; |
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[51b7345] | 30 | |
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| 31 | namespace GenPoly { |
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[ffad73a] | 32 | namespace { |
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[0f889a77] | 33 | /// Checks a parameter list for polymorphic parameters; will substitute according to env if present |
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| 34 | bool hasPolyParams( std::list< Expression* >& params, const TypeSubstitution *env ) { |
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| 35 | for ( std::list< Expression* >::iterator param = params.begin(); param != params.end(); ++param ) { |
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| 36 | TypeExpr *paramType = dynamic_cast< TypeExpr* >( *param ); |
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[7350ff97] | 37 | assertf(paramType, "Aggregate parameters should be type expressions"); |
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[0f889a77] | 38 | if ( isPolyType( paramType->get_type(), env ) ) return true; |
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| 39 | } |
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| 40 | return false; |
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| 41 | } |
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| 42 | |
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| 43 | /// Checks a parameter list for polymorphic parameters from tyVars; will substitute according to env if present |
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[ffad73a] | 44 | bool hasPolyParams( std::list< Expression* >& params, const TyVarMap &tyVars, const TypeSubstitution *env ) { |
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| 45 | for ( std::list< Expression* >::iterator param = params.begin(); param != params.end(); ++param ) { |
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| 46 | TypeExpr *paramType = dynamic_cast< TypeExpr* >( *param ); |
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[5a3ac84] | 47 | assertf(paramType, "Aggregate parameters should be type expressions"); |
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[ffad73a] | 48 | if ( isPolyType( paramType->get_type(), tyVars, env ) ) return true; |
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| 49 | } |
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| 50 | return false; |
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| 51 | } |
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[3bb195cb] | 52 | |
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| 53 | /// Checks a parameter list for dynamic-layout parameters from tyVars; will substitute according to env if present |
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| 54 | bool hasDynParams( std::list< Expression* >& params, const TyVarMap &tyVars, const TypeSubstitution *env ) { |
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| 55 | for ( std::list< Expression* >::iterator param = params.begin(); param != params.end(); ++param ) { |
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| 56 | TypeExpr *paramType = dynamic_cast< TypeExpr* >( *param ); |
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[5a3ac84] | 57 | assertf(paramType, "Aggregate parameters should be type expressions"); |
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[3bb195cb] | 58 | if ( isDynType( paramType->get_type(), tyVars, env ) ) return true; |
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| 59 | } |
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| 60 | return false; |
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| 61 | } |
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[5a3ac84] | 62 | |
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| 63 | /// Checks a parameter list for inclusion of polymorphic parameters; will substitute according to env if present |
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| 64 | bool includesPolyParams( std::list< Expression* >& params, const TypeSubstitution *env ) { |
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| 65 | for ( std::list< Expression* >::iterator param = params.begin(); param != params.end(); ++param ) { |
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| 66 | TypeExpr *paramType = dynamic_cast< TypeExpr* >( *param ); |
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| 67 | assertf(paramType, "Aggregate parameters should be type expressions"); |
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| 68 | if ( includesPolyType( paramType->get_type(), env ) ) return true; |
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| 69 | } |
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| 70 | return false; |
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| 71 | } |
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| 72 | |
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| 73 | /// Checks a parameter list for inclusion of polymorphic parameters from tyVars; will substitute according to env if present |
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| 74 | bool includesPolyParams( std::list< Expression* >& params, const TyVarMap &tyVars, const TypeSubstitution *env ) { |
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| 75 | for ( std::list< Expression* >::iterator param = params.begin(); param != params.end(); ++param ) { |
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| 76 | TypeExpr *paramType = dynamic_cast< TypeExpr* >( *param ); |
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| 77 | assertf(paramType, "Aggregate parameters should be type expressions"); |
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| 78 | if ( includesPolyType( paramType->get_type(), tyVars, env ) ) return true; |
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| 79 | } |
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| 80 | return false; |
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| 81 | } |
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[c2ad3c9] | 82 | } |
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[83de11e] | 83 | |
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[c2ad3c9] | 84 | Type* replaceTypeInst( Type* type, const TypeSubstitution* env ) { |
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| 85 | if ( ! env ) return type; |
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| 86 | if ( TypeInstType *typeInst = dynamic_cast< TypeInstType* >( type ) ) { |
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| 87 | Type *newType = env->lookup( typeInst->get_name() ); |
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| 88 | if ( newType ) return newType; |
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[e24955a] | 89 | } |
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[c2ad3c9] | 90 | return type; |
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[ffad73a] | 91 | } |
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[0f889a77] | 92 | |
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| 93 | Type *isPolyType( Type *type, const TypeSubstitution *env ) { |
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[e24955a] | 94 | type = replaceTypeInst( type, env ); |
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[83de11e] | 95 | |
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[ca35c51] | 96 | if ( dynamic_cast< TypeInstType * >( type ) ) { |
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[0f889a77] | 97 | return type; |
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| 98 | } else if ( StructInstType *structType = dynamic_cast< StructInstType* >( type ) ) { |
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| 99 | if ( hasPolyParams( structType->get_parameters(), env ) ) return type; |
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| 100 | } else if ( UnionInstType *unionType = dynamic_cast< UnionInstType* >( type ) ) { |
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| 101 | if ( hasPolyParams( unionType->get_parameters(), env ) ) return type; |
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| 102 | } |
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| 103 | return 0; |
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| 104 | } |
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[540de412] | 105 | |
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[ffad73a] | 106 | Type *isPolyType( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env ) { |
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[e24955a] | 107 | type = replaceTypeInst( type, env ); |
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[83de11e] | 108 | |
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[e56cfdb0] | 109 | if ( TypeInstType *typeInst = dynamic_cast< TypeInstType * >( type ) ) { |
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[ffad73a] | 110 | if ( tyVars.find( typeInst->get_name() ) != tyVars.end() ) { |
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| 111 | return type; |
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[0f889a77] | 112 | } |
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[ffad73a] | 113 | } else if ( StructInstType *structType = dynamic_cast< StructInstType* >( type ) ) { |
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| 114 | if ( hasPolyParams( structType->get_parameters(), tyVars, env ) ) return type; |
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| 115 | } else if ( UnionInstType *unionType = dynamic_cast< UnionInstType* >( type ) ) { |
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| 116 | if ( hasPolyParams( unionType->get_parameters(), tyVars, env ) ) return type; |
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| 117 | } |
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| 118 | return 0; |
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[01aeade] | 119 | } |
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[b1a6d6b] | 120 | |
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[33a7b6d] | 121 | ReferenceToType *isDynType( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env ) { |
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[3bb195cb] | 122 | type = replaceTypeInst( type, env ); |
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| 123 | |
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| 124 | if ( TypeInstType *typeInst = dynamic_cast< TypeInstType * >( type ) ) { |
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| 125 | auto var = tyVars.find( typeInst->get_name() ); |
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[2c57025] | 126 | if ( var != tyVars.end() && var->second.isComplete ) { |
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[33a7b6d] | 127 | return typeInst; |
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[3bb195cb] | 128 | } |
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| 129 | } else if ( StructInstType *structType = dynamic_cast< StructInstType* >( type ) ) { |
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[33a7b6d] | 130 | if ( hasDynParams( structType->get_parameters(), tyVars, env ) ) return structType; |
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[3bb195cb] | 131 | } else if ( UnionInstType *unionType = dynamic_cast< UnionInstType* >( type ) ) { |
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[33a7b6d] | 132 | if ( hasDynParams( unionType->get_parameters(), tyVars, env ) ) return unionType; |
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[3bb195cb] | 133 | } |
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| 134 | return 0; |
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| 135 | } |
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| 136 | |
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| 137 | ReferenceToType *isDynRet( FunctionType *function, const TyVarMap &forallTypes ) { |
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| 138 | if ( function->get_returnVals().empty() ) return 0; |
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[8c49c0e] | 139 | |
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[3bb195cb] | 140 | return (ReferenceToType*)isDynType( function->get_returnVals().front()->get_type(), forallTypes ); |
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| 141 | } |
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| 142 | |
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| 143 | ReferenceToType *isDynRet( FunctionType *function ) { |
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| 144 | if ( function->get_returnVals().empty() ) return 0; |
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| 145 | |
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[2c57025] | 146 | TyVarMap forallTypes( TypeDecl::Data{} ); |
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[3bb195cb] | 147 | makeTyVarMap( function, forallTypes ); |
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| 148 | return (ReferenceToType*)isDynType( function->get_returnVals().front()->get_type(), forallTypes ); |
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| 149 | } |
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| 150 | |
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| 151 | bool needsAdapter( FunctionType *adaptee, const TyVarMap &tyVars ) { |
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| 152 | // if ( ! adaptee->get_returnVals().empty() && isPolyType( adaptee->get_returnVals().front()->get_type(), tyVars ) ) { |
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| 153 | // return true; |
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| 154 | // } // if |
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| 155 | if ( isDynRet( adaptee, tyVars ) ) return true; |
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[8c49c0e] | 156 | |
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[3bb195cb] | 157 | for ( std::list< DeclarationWithType* >::const_iterator innerArg = adaptee->get_parameters().begin(); innerArg != adaptee->get_parameters().end(); ++innerArg ) { |
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| 158 | // if ( isPolyType( (*innerArg)->get_type(), tyVars ) ) { |
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| 159 | if ( isDynType( (*innerArg)->get_type(), tyVars ) ) { |
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| 160 | return true; |
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| 161 | } // if |
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| 162 | } // for |
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| 163 | return false; |
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| 164 | } |
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| 165 | |
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[0f889a77] | 166 | Type *isPolyPtr( Type *type, const TypeSubstitution *env ) { |
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[e24955a] | 167 | type = replaceTypeInst( type, env ); |
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[83de11e] | 168 | |
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[0f889a77] | 169 | if ( PointerType *ptr = dynamic_cast< PointerType *>( type ) ) { |
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| 170 | return isPolyType( ptr->get_base(), env ); |
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[e24955a] | 171 | } |
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[0f889a77] | 172 | return 0; |
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| 173 | } |
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[540de412] | 174 | |
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[ffad73a] | 175 | Type *isPolyPtr( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env ) { |
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[e24955a] | 176 | type = replaceTypeInst( type, env ); |
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[83de11e] | 177 | |
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[ffad73a] | 178 | if ( PointerType *ptr = dynamic_cast< PointerType *>( type ) ) { |
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| 179 | return isPolyType( ptr->get_base(), tyVars, env ); |
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[e24955a] | 180 | } |
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[ffad73a] | 181 | return 0; |
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[bdf1954] | 182 | } |
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| 183 | |
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[8488c715] | 184 | Type * hasPolyBase( Type *type, int *levels, const TypeSubstitution *env ) { |
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| 185 | int dummy; |
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| 186 | if ( ! levels ) { levels = &dummy; } |
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| 187 | *levels = 0; |
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| 188 | |
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| 189 | while ( true ) { |
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[e24955a] | 190 | type = replaceTypeInst( type, env ); |
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[83de11e] | 191 | |
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[8488c715] | 192 | if ( PointerType *ptr = dynamic_cast< PointerType *>( type ) ) { |
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| 193 | type = ptr->get_base(); |
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| 194 | ++(*levels); |
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| 195 | } else break; |
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[05d47278] | 196 | } |
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| 197 | |
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| 198 | return isPolyType( type, env ); |
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| 199 | } |
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[540de412] | 200 | |
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[8488c715] | 201 | Type * hasPolyBase( Type *type, const TyVarMap &tyVars, int *levels, const TypeSubstitution *env ) { |
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| 202 | int dummy; |
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| 203 | if ( ! levels ) { levels = &dummy; } |
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| 204 | *levels = 0; |
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| 205 | |
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| 206 | while ( true ) { |
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[e24955a] | 207 | type = replaceTypeInst( type, env ); |
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[83de11e] | 208 | |
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[8488c715] | 209 | if ( PointerType *ptr = dynamic_cast< PointerType *>( type ) ) { |
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| 210 | type = ptr->get_base(); |
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| 211 | ++(*levels); |
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| 212 | } else break; |
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[05d47278] | 213 | } |
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| 214 | |
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| 215 | return isPolyType( type, tyVars, env ); |
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| 216 | } |
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| 217 | |
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[5a3ac84] | 218 | bool includesPolyType( Type *type, const TypeSubstitution *env ) { |
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| 219 | type = replaceTypeInst( type, env ); |
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| 220 | |
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| 221 | if ( dynamic_cast< TypeInstType * >( type ) ) { |
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| 222 | return true; |
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| 223 | } else if ( PointerType *pointerType = dynamic_cast< PointerType* >( type ) ) { |
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| 224 | if ( includesPolyType( pointerType->get_base(), env ) ) return true; |
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| 225 | } else if ( StructInstType *structType = dynamic_cast< StructInstType* >( type ) ) { |
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| 226 | if ( includesPolyParams( structType->get_parameters(), env ) ) return true; |
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| 227 | } else if ( UnionInstType *unionType = dynamic_cast< UnionInstType* >( type ) ) { |
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| 228 | if ( includesPolyParams( unionType->get_parameters(), env ) ) return true; |
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| 229 | } |
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| 230 | return false; |
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| 231 | } |
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| 232 | |
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| 233 | bool includesPolyType( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env ) { |
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| 234 | type = replaceTypeInst( type, env ); |
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| 235 | |
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| 236 | if ( TypeInstType *typeInstType = dynamic_cast< TypeInstType * >( type ) ) { |
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| 237 | if ( tyVars.find( typeInstType->get_name() ) != tyVars.end() ) { |
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| 238 | return true; |
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| 239 | } |
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| 240 | } else if ( PointerType *pointerType = dynamic_cast< PointerType* >( type ) ) { |
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| 241 | if ( includesPolyType( pointerType->get_base(), tyVars, env ) ) return true; |
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| 242 | } else if ( StructInstType *structType = dynamic_cast< StructInstType* >( type ) ) { |
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| 243 | if ( includesPolyParams( structType->get_parameters(), tyVars, env ) ) return true; |
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| 244 | } else if ( UnionInstType *unionType = dynamic_cast< UnionInstType* >( type ) ) { |
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| 245 | if ( includesPolyParams( unionType->get_parameters(), tyVars, env ) ) return true; |
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| 246 | } |
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| 247 | return false; |
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| 248 | } |
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| 249 | |
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[7754cde] | 250 | FunctionType * getFunctionType( Type *ty ) { |
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| 251 | PointerType *ptrType; |
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| 252 | if ( ( ptrType = dynamic_cast< PointerType* >( ty ) ) ) { |
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| 253 | return dynamic_cast< FunctionType* >( ptrType->get_base() ); // pointer if FunctionType, NULL otherwise |
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| 254 | } else { |
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| 255 | return dynamic_cast< FunctionType* >( ty ); // pointer if FunctionType, NULL otherwise |
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| 256 | } |
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| 257 | } |
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| 258 | |
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[8488c715] | 259 | VariableExpr * getBaseVar( Expression *expr, int *levels ) { |
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| 260 | int dummy; |
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| 261 | if ( ! levels ) { levels = &dummy; } |
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| 262 | *levels = 0; |
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| 263 | |
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| 264 | while ( true ) { |
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| 265 | if ( VariableExpr *varExpr = dynamic_cast< VariableExpr* >( expr ) ) { |
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| 266 | return varExpr; |
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[d9f1b2d] | 267 | } else if ( MemberExpr *memberExpr = dynamic_cast< MemberExpr* >( expr ) ) { |
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| 268 | expr = memberExpr->get_aggregate(); |
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[8488c715] | 269 | } else if ( AddressExpr *addressExpr = dynamic_cast< AddressExpr* >( expr ) ) { |
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| 270 | expr = addressExpr->get_arg(); |
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| 271 | } else if ( UntypedExpr *untypedExpr = dynamic_cast< UntypedExpr* >( expr ) ) { |
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| 272 | // look for compiler-inserted dereference operator |
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| 273 | NameExpr *fn = dynamic_cast< NameExpr* >( untypedExpr->get_function() ); |
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| 274 | if ( ! fn || fn->get_name() != std::string("*?") ) return 0; |
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| 275 | expr = *untypedExpr->begin_args(); |
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[540de412] | 276 | } else if ( CommaExpr *commaExpr = dynamic_cast< CommaExpr* >( expr ) ) { |
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| 277 | // copy constructors insert comma exprs, look at second argument which contains the variable |
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| 278 | expr = commaExpr->get_arg2(); |
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| 279 | continue; |
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[1aa4b71] | 280 | } else if ( ConditionalExpr * condExpr = dynamic_cast< ConditionalExpr * >( expr ) ) { |
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| 281 | int lvl1; |
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| 282 | int lvl2; |
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| 283 | VariableExpr * var1 = getBaseVar( condExpr->get_arg2(), &lvl1 ); |
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| 284 | VariableExpr * var2 = getBaseVar( condExpr->get_arg3(), &lvl2 ); |
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| 285 | if ( lvl1 == lvl2 && var1 && var2 && var1->get_var() == var2->get_var() ) { |
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| 286 | *levels = lvl1; |
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| 287 | return var1; |
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| 288 | } |
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| 289 | break; |
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[8488c715] | 290 | } else break; |
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| 291 | |
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| 292 | ++(*levels); |
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| 293 | } |
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| 294 | |
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| 295 | return 0; |
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[05d47278] | 296 | } |
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| 297 | |
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[5a3ac84] | 298 | namespace { |
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| 299 | /// Checks if is a pointer to D |
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| 300 | template<typename D, typename B> |
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| 301 | bool is( const B* p ) { return type_index{typeid(D)} == type_index{typeid(*p)}; } |
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| 302 | |
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| 303 | /// Converts to a pointer to D without checking for safety |
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| 304 | template<typename D, typename B> |
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| 305 | inline D* as( B* p ) { return reinterpret_cast<D*>(p); } |
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| 306 | |
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| 307 | /// Flattens a declaration list |
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| 308 | template<typename Output> |
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| 309 | void flattenList( list< DeclarationWithType* > src, Output out ) { |
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| 310 | for ( DeclarationWithType* decl : src ) { |
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| 311 | ResolvExpr::flatten( decl->get_type(), out ); |
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| 312 | } |
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| 313 | } |
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| 314 | |
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| 315 | /// Flattens a list of types |
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| 316 | template<typename Output> |
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| 317 | void flattenList( list< Type* > src, Output out ) { |
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| 318 | for ( Type* ty : src ) { |
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| 319 | ResolvExpr::flatten( ty, out ); |
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| 320 | } |
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| 321 | } |
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| 322 | |
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| 323 | /// Checks if two lists of parameters are equal up to polymorphic substitution. |
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| 324 | bool paramListsPolyCompatible( const list< Expression* >& aparams, const list< Expression* >& bparams ) { |
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| 325 | if ( aparams.size() != bparams.size() ) return false; |
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| 326 | |
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| 327 | for ( list< Expression* >::const_iterator at = aparams.begin(), bt = bparams.begin(); |
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| 328 | at != aparams.end(); ++at, ++bt ) { |
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| 329 | TypeExpr *aparam = dynamic_cast< TypeExpr* >(*at); |
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| 330 | assertf(aparam, "Aggregate parameters should be type expressions"); |
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| 331 | TypeExpr *bparam = dynamic_cast< TypeExpr* >(*bt); |
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| 332 | assertf(bparam, "Aggregate parameters should be type expressions"); |
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| 333 | |
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| 334 | // xxx - might need to let VoidType be a wildcard here too; could have some voids |
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| 335 | // stuffed in for dtype-statics. |
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| 336 | // if ( is<VoidType>( aparam->get_type() ) || is<VoidType>( bparam->get_type() ) ) continue; |
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| 337 | if ( ! typesPolyCompatible( aparam->get_type(), bparam->get_type() ) ) return false; |
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| 338 | } |
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| 339 | |
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| 340 | return true; |
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| 341 | } |
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| 342 | } |
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| 343 | |
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| 344 | bool typesPolyCompatible( Type *a, Type *b ) { |
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| 345 | type_index aid{ typeid(*a) }; |
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| 346 | // polymorphic types always match |
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| 347 | if ( aid == type_index{typeid(TypeInstType)} ) return true; |
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| 348 | |
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| 349 | type_index bid{ typeid(*b) }; |
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| 350 | // polymorphic types always match |
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| 351 | if ( bid == type_index{typeid(TypeInstType)} ) return true; |
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| 352 | |
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| 353 | // can't match otherwise if different types |
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| 354 | if ( aid != bid ) return false; |
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| 355 | |
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| 356 | // recurse through type structure (conditions borrowed from Unify.cc) |
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| 357 | if ( aid == type_index{typeid(BasicType)} ) { |
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| 358 | return as<BasicType>(a)->get_kind() == as<BasicType>(b)->get_kind(); |
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| 359 | } else if ( aid == type_index{typeid(PointerType)} ) { |
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| 360 | PointerType *ap = as<PointerType>(a), *bp = as<PointerType>(b); |
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| 361 | |
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| 362 | // void pointers should match any other pointer type |
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| 363 | return is<VoidType>( ap->get_base() ) || is<VoidType>( bp->get_base() ) |
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| 364 | || typesPolyCompatible( ap->get_base(), bp->get_base() ); |
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| 365 | } else if ( aid == type_index{typeid(ArrayType)} ) { |
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| 366 | ArrayType *aa = as<ArrayType>(a), *ba = as<ArrayType>(b); |
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| 367 | |
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| 368 | if ( aa->get_isVarLen() ) { |
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| 369 | if ( ! ba->get_isVarLen() ) return false; |
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| 370 | } else { |
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| 371 | if ( ba->get_isVarLen() ) return false; |
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| 372 | |
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| 373 | ConstantExpr *ad = dynamic_cast<ConstantExpr*>( aa->get_dimension() ); |
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| 374 | ConstantExpr *bd = dynamic_cast<ConstantExpr*>( ba->get_dimension() ); |
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| 375 | if ( ad && bd |
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| 376 | && ad->get_constant()->get_value() != bd->get_constant()->get_value() ) |
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| 377 | return false; |
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| 378 | } |
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| 379 | |
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| 380 | return typesPolyCompatible( aa->get_base(), ba->get_base() ); |
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| 381 | } else if ( aid == type_index{typeid(FunctionType)} ) { |
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| 382 | FunctionType *af = as<FunctionType>(a), *bf = as<FunctionType>(b); |
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| 383 | |
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| 384 | vector<Type*> aparams, bparams; |
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| 385 | flattenList( af->get_parameters(), back_inserter( aparams ) ); |
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| 386 | flattenList( bf->get_parameters(), back_inserter( bparams ) ); |
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| 387 | if ( aparams.size() != bparams.size() ) return false; |
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| 388 | |
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| 389 | vector<Type*> areturns, breturns; |
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| 390 | flattenList( af->get_returnVals(), back_inserter( areturns ) ); |
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| 391 | flattenList( bf->get_returnVals(), back_inserter( breturns ) ); |
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| 392 | if ( areturns.size() != breturns.size() ) return false; |
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| 393 | |
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| 394 | for ( unsigned i = 0; i < aparams.size(); ++i ) { |
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| 395 | if ( ! typesPolyCompatible( aparams[i], bparams[i] ) ) return false; |
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| 396 | } |
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| 397 | for ( unsigned i = 0; i < areturns.size(); ++i ) { |
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| 398 | if ( ! typesPolyCompatible( areturns[i], breturns[i] ) ) return false; |
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| 399 | } |
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| 400 | return true; |
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| 401 | } else if ( aid == type_index{typeid(StructInstType)} ) { |
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| 402 | StructInstType *aa = as<StructInstType>(a), *ba = as<StructInstType>(b); |
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| 403 | |
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| 404 | if ( aa->get_name() != ba->get_name() ) return false; |
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| 405 | return paramListsPolyCompatible( aa->get_parameters(), ba->get_parameters() ); |
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| 406 | } else if ( aid == type_index{typeid(UnionInstType)} ) { |
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| 407 | UnionInstType *aa = as<UnionInstType>(a), *ba = as<UnionInstType>(b); |
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| 408 | |
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| 409 | if ( aa->get_name() != ba->get_name() ) return false; |
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| 410 | return paramListsPolyCompatible( aa->get_parameters(), ba->get_parameters() ); |
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| 411 | } else if ( aid == type_index{typeid(EnumInstType)} ) { |
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| 412 | return as<EnumInstType>(a)->get_name() == as<EnumInstType>(b)->get_name(); |
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| 413 | } else if ( aid == type_index{typeid(TraitInstType)} ) { |
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| 414 | return as<TraitInstType>(a)->get_name() == as<TraitInstType>(b)->get_name(); |
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| 415 | } else if ( aid == type_index{typeid(TupleType)} ) { |
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| 416 | TupleType *at = as<TupleType>(a), *bt = as<TupleType>(b); |
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| 417 | |
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| 418 | vector<Type*> atypes, btypes; |
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| 419 | flattenList( at->get_types(), back_inserter( atypes ) ); |
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| 420 | flattenList( bt->get_types(), back_inserter( btypes ) ); |
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| 421 | if ( atypes.size() != btypes.size() ) return false; |
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| 422 | |
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| 423 | for ( unsigned i = 0; i < atypes.size(); ++i ) { |
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| 424 | if ( ! typesPolyCompatible( atypes[i], btypes[i] ) ) return false; |
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| 425 | } |
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| 426 | return true; |
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| 427 | } else return true; // VoidType, VarArgsType, ZeroType & OneType just need the same type |
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| 428 | } |
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| 429 | |
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[2c57025] | 430 | void addToTyVarMap( TypeDecl * tyVar, TyVarMap &tyVarMap ) { |
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| 431 | tyVarMap[ tyVar->get_name() ] = TypeDecl::Data{ tyVar }; |
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| 432 | } |
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| 433 | |
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[aadc9a4] | 434 | void makeTyVarMap( Type *type, TyVarMap &tyVarMap ) { |
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[8c49c0e] | 435 | for ( Type::ForallList::const_iterator tyVar = type->get_forall().begin(); tyVar != type->get_forall().end(); ++tyVar ) { |
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[aadc9a4] | 436 | assert( *tyVar ); |
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[2c57025] | 437 | addToTyVarMap( *tyVar, tyVarMap ); |
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[aadc9a4] | 438 | } |
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| 439 | if ( PointerType *pointer = dynamic_cast< PointerType* >( type ) ) { |
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| 440 | makeTyVarMap( pointer->get_base(), tyVarMap ); |
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| 441 | } |
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| 442 | } |
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[540de412] | 443 | |
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[01aeade] | 444 | void printTyVarMap( std::ostream &os, const TyVarMap &tyVarMap ) { |
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| 445 | for ( TyVarMap::const_iterator i = tyVarMap.begin(); i != tyVarMap.end(); ++i ) { |
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| 446 | os << i->first << " (" << i->second << ") "; |
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| 447 | } // for |
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| 448 | os << std::endl; |
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| 449 | } |
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[ffad73a] | 450 | |
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[51b7345] | 451 | } // namespace GenPoly |
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[01aeade] | 452 | |
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[51587aa] | 453 | // Local Variables: // |
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| 454 | // tab-width: 4 // |
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| 455 | // mode: c++ // |
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| 456 | // compile-command: "make install" // |
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| 457 | // End: // |
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