1 | /* |
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2 | * This file is part of the Cforall project |
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3 | * |
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4 | * $Id: ResolveTypeof.cc,v 1.2 2005/08/29 20:14:16 rcbilson Exp $ |
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5 | * |
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6 | */ |
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7 | |
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8 | #include "ResolveTypeof.h" |
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9 | #include "Alternative.h" |
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10 | #include "AlternativeFinder.h" |
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11 | #include "Resolver.h" |
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12 | #include "TypeEnvironment.h" |
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13 | #include "SynTree/Expression.h" |
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14 | #include "SynTree/Type.h" |
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15 | |
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16 | namespace ResolvExpr { |
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17 | |
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18 | namespace { |
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19 | #if 0 |
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20 | void |
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21 | printAlts( const AltList &list, std::ostream &os, int indent = 0 ) |
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22 | { |
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23 | for( AltList::const_iterator i = list.begin(); i != list.end(); ++i ) { |
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24 | i->print( os, indent ); |
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25 | os << std::endl; |
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26 | } |
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27 | } |
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28 | #endif |
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29 | } |
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30 | |
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31 | class ResolveTypeof : public Mutator |
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32 | { |
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33 | public: |
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34 | ResolveTypeof( const SymTab::Indexer &indexer ) : indexer( indexer ) {} |
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35 | Type *mutate( TypeofType *typeofType ); |
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36 | |
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37 | private: |
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38 | const SymTab::Indexer &indexer; |
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39 | }; |
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40 | |
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41 | Type * |
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42 | resolveTypeof( Type *type, const SymTab::Indexer &indexer ) |
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43 | { |
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44 | ResolveTypeof mutator( indexer ); |
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45 | return type->acceptMutator( mutator ); |
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46 | } |
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47 | |
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48 | Type * |
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49 | ResolveTypeof::mutate( TypeofType *typeofType ) |
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50 | { |
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51 | /// std::cout << "resolving typeof: "; |
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52 | /// typeofType->print( std::cout ); |
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53 | /// std::cout << std::endl; |
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54 | if( typeofType->get_expr() ) { |
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55 | Expression *newExpr = resolveInVoidContext( typeofType->get_expr(), indexer ); |
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56 | assert( newExpr->get_results().size() > 0 ); |
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57 | Type *newType; |
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58 | if( newExpr->get_results().size() > 1 ) { |
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59 | TupleType *tupleType = new TupleType( Type::Qualifiers() ); |
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60 | cloneAll( newExpr->get_results(), tupleType->get_types() ); |
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61 | newType = tupleType; |
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62 | } else { |
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63 | newType = newExpr->get_results().front()->clone(); |
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64 | } |
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65 | delete typeofType; |
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66 | return newType; |
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67 | } |
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68 | return typeofType; |
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69 | } |
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70 | |
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71 | } // namespace ResolvExpr |
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