[42e2ad7] | 1 | #include "RemoveInit.h" |
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| 2 | #include "SynTree/Declaration.h" |
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| 3 | #include "SynTree/Type.h" |
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| 4 | #include "SynTree/Expression.h" |
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| 5 | #include "SynTree/Statement.h" |
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| 6 | #include "SynTree/Initializer.h" |
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| 7 | #include "SynTree/Mutator.h" |
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| 8 | |
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| 9 | namespace InitTweak { |
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| 10 | |
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| 11 | namespace { |
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| 12 | const std::list<Label> noLabels; |
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| 13 | } |
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| 14 | |
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| 15 | void tweak( std::list< Declaration * > translationUnit ) { |
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| 16 | RemoveInit remover; |
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| 17 | mutateAll( translationUnit, remover ); |
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| 18 | } |
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| 19 | |
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| 20 | void RemoveInit::mutateStatementList( std::list< Statement* > &statements ) { |
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| 21 | for( std::list< Statement* >::iterator i = statements.begin(); i != statements.end(); ++i ) { |
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| 22 | if( !stmtsToAddAfter.empty() ) { |
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| 23 | statements.splice( i, stmtsToAddAfter ); |
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| 24 | } |
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| 25 | *i = (*i)->acceptMutator( *this ); |
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| 26 | } |
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| 27 | if( !stmtsToAddAfter.empty() ) { |
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| 28 | statements.splice( statements.end(), stmtsToAddAfter ); |
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| 29 | } |
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| 30 | } |
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| 31 | |
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| 32 | CompoundStmt *RemoveInit::mutate(CompoundStmt *compoundStmt) { |
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| 33 | mutateStatementList( compoundStmt->get_kids() ); |
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| 34 | return compoundStmt; |
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| 35 | } |
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| 36 | |
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| 37 | // in the case where an object has an initializer and a polymorphic type, insert an assignment |
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| 38 | // immediately after the declaration. This will (seemingly) cause the later phases to do the right |
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| 39 | // thing with the assignment |
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| 40 | ObjectDecl *RemoveInit::mutate( ObjectDecl *objDecl ) { |
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| 41 | if (objDecl->get_init() && dynamic_cast<TypeInstType*>(objDecl->get_type())) { |
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| 42 | if (SingleInit * single = dynamic_cast<SingleInit*>(objDecl->get_init())) { |
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| 43 | UntypedExpr *assign = new UntypedExpr( new NameExpr( "?=?" ) ); |
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| 44 | assign->get_args().push_back( new AddressExpr (new NameExpr( objDecl->get_name() ) ) ); |
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| 45 | assign->get_args().push_back( single->get_value()->clone() ); |
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| 46 | stmtsToAddAfter.push_back(new ExprStmt(noLabels, assign)); |
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| 47 | } |
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| 48 | } |
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| 49 | return objDecl; |
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| 50 | } |
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| 51 | } // namespace InitTweak |
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| 52 | |
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