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 | // PolyCost.cc -- |
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8 | // |
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9 | // Author : Richard C. Bilson |
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10 | // Created On : Sun May 17 09:50:12 2015 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Sun May 17 09:52:02 2015 |
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13 | // Update Count : 3 |
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14 | // |
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15 | |
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16 | #include "Common/PassVisitor.h" |
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17 | #include "SymTab/Indexer.h" // for Indexer |
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18 | #include "SynTree/Type.h" // for TypeInstType, Type |
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19 | #include "TypeEnvironment.h" // for EqvClass, TypeEnvironment |
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20 | |
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21 | namespace ResolvExpr { |
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22 | struct PolyCost { |
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23 | PolyCost( const TypeEnvironment &env, const SymTab::Indexer &indexer ); |
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24 | |
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25 | void previsit( TypeInstType * aggregateUseType ); |
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26 | int result; |
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27 | const TypeEnvironment &tenv; |
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28 | const SymTab::Indexer &indexer; |
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29 | }; |
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30 | |
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31 | int polyCost( Type *type, const TypeEnvironment & env, const SymTab::Indexer &indexer ) { |
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32 | PassVisitor<PolyCost> coster( env, indexer ); |
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33 | type->accept( coster ); |
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34 | return coster.pass.result; |
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35 | } |
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36 | |
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37 | PolyCost::PolyCost( const TypeEnvironment & env, const SymTab::Indexer & indexer ) : result( 0 ), tenv( env ), indexer( indexer ) { |
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38 | } |
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39 | |
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40 | void PolyCost::previsit(TypeInstType * typeInst) { |
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41 | EqvClass eqvClass; |
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42 | if ( tenv.lookup( typeInst->name, eqvClass ) ) { |
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43 | if ( eqvClass.type ) { |
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44 | if ( TypeInstType * otherTypeInst = dynamic_cast< TypeInstType* >( eqvClass.type ) ) { |
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45 | if ( indexer.lookupType( otherTypeInst->name ) ) { |
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46 | // bound to opaque type |
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47 | result += 1; |
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48 | } // if |
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49 | } else { |
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50 | // bound to concrete type |
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51 | result += 1; |
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52 | } // if |
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53 | } // if |
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54 | } // if |
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55 | } |
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56 | |
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57 | } // namespace ResolvExpr |
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58 | |
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59 | // Local Variables: // |
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60 | // tab-width: 4 // |
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61 | // mode: c++ // |
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62 | // compile-command: "make install" // |
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63 | // End: // |
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