| 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 | if ( const EqvClass *eqvClass = tenv.lookup( typeInst->name ) ) {
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| 42 | if ( eqvClass->type ) {
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| 43 | if ( TypeInstType * otherTypeInst = dynamic_cast< TypeInstType* >( eqvClass->type ) ) {
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| 44 | if ( indexer.lookupType( otherTypeInst->name ) ) {
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| 45 | // bound to opaque type
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| 46 | result += 1;
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| 47 | } // if
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| 48 | } else {
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| 49 | // bound to concrete type
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| 50 | result += 1;
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| 51 | } // if
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| 52 | } // if
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| 53 | } // if
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| 54 | }
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| 55 |
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| 56 | } // namespace ResolvExpr
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| 57 |
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| 58 | // Local Variables: //
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| 59 | // tab-width: 4 //
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| 60 | // mode: c++ //
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| 61 | // compile-command: "make install" //
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| 62 | // End: //
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