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 | // RemoveInit.cc -- |
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8 | // |
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9 | // Author : Rodolfo G. Esteves |
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10 | // Created On : Mon May 18 07:44:20 2015 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Tue May 19 16:39:32 2015 |
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13 | // Update Count : 1 |
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14 | // |
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15 | |
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16 | #include "RemoveInit.h" |
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17 | #include "SynTree/Declaration.h" |
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18 | #include "SynTree/Type.h" |
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19 | #include "SynTree/Expression.h" |
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20 | #include "SynTree/Statement.h" |
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21 | #include "SynTree/Initializer.h" |
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22 | #include "SynTree/Mutator.h" |
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23 | |
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24 | namespace InitTweak { |
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25 | namespace { |
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26 | const std::list<Label> noLabels; |
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27 | } |
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28 | |
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29 | void tweak( std::list< Declaration * > translationUnit ) { |
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30 | RemoveInit remover; |
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31 | mutateAll( translationUnit, remover ); |
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32 | } |
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33 | |
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34 | void RemoveInit::mutateStatementList( std::list< Statement* > &statements ) { |
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35 | for ( std::list< Statement* >::iterator i = statements.begin(); i != statements.end(); ++i ) { |
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36 | if ( ! stmtsToAddAfter.empty() ) { |
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37 | statements.splice( i, stmtsToAddAfter ); |
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38 | } // if |
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39 | *i = (*i)->acceptMutator( *this ); |
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40 | } // for |
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41 | if ( ! stmtsToAddAfter.empty() ) { |
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42 | statements.splice( statements.end(), stmtsToAddAfter ); |
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43 | } // if |
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44 | } |
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45 | |
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46 | CompoundStmt *RemoveInit::mutate(CompoundStmt *compoundStmt) { |
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47 | mutateStatementList( compoundStmt->get_kids() ); |
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48 | return compoundStmt; |
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49 | } |
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50 | |
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51 | // in the case where an object has an initializer and a polymorphic type, insert an assignment |
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52 | // immediately after the declaration. This will (seemingly) cause the later phases to do the right |
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53 | // thing with the assignment |
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54 | ObjectDecl *RemoveInit::mutate( ObjectDecl *objDecl ) { |
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55 | if (objDecl->get_init() && dynamic_cast<TypeInstType*>(objDecl->get_type())) { |
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56 | if (SingleInit * single = dynamic_cast<SingleInit*>(objDecl->get_init())) { |
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57 | UntypedExpr *assign = new UntypedExpr( new NameExpr( "?=?" ) ); |
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58 | assign->get_args().push_back( new AddressExpr (new NameExpr( objDecl->get_name() ) ) ); |
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59 | assign->get_args().push_back( single->get_value()->clone() ); |
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60 | stmtsToAddAfter.push_back(new ExprStmt(noLabels, assign)); |
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61 | } // if |
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62 | } // if |
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63 | return objDecl; |
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64 | } |
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65 | } // namespace InitTweak |
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66 | |
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67 | // Local Variables: // |
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68 | // tab-width: 4 // |
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69 | // mode: c++ // |
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70 | // compile-command: "make install" // |
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71 | // End: // |
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