| 1 | // |
|---|
| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
|---|
| 3 | // |
|---|
| 4 | // The contents of this file are covered under the licence agreement in the |
|---|
| 5 | // file "LICENCE" distributed with Cforall. |
|---|
| 6 | // |
|---|
| 7 | // ChooseMutator.cc -- |
|---|
| 8 | // |
|---|
| 9 | // Author : Rodolfo G. Esteves |
|---|
| 10 | // Created On : Mon May 18 07:44:20 2015 |
|---|
| 11 | // Last Modified By : Peter A. Buhr |
|---|
| 12 | // Last Modified On : Tue May 19 15:31:39 2015 |
|---|
| 13 | // Update Count : 2 |
|---|
| 14 | // |
|---|
| 15 | |
|---|
| 16 | #include <list> |
|---|
| 17 | |
|---|
| 18 | #include "SynTree/Statement.h" |
|---|
| 19 | #include "ChooseMutator.h" |
|---|
| 20 | |
|---|
| 21 | namespace ControlStruct { |
|---|
| 22 | Statement *ChooseMutator::mutate( ChooseStmt *chooseStmt ) { |
|---|
| 23 | bool enclosingChoose = insideChoose; |
|---|
| 24 | insideChoose = true; |
|---|
| 25 | mutateAll( chooseStmt->get_branches(), *this ); |
|---|
| 26 | insideChoose = enclosingChoose; |
|---|
| 27 | return new SwitchStmt( chooseStmt->get_labels(), chooseStmt->get_condition(), chooseStmt->get_branches() ); |
|---|
| 28 | } |
|---|
| 29 | |
|---|
| 30 | Statement *ChooseMutator::mutate( SwitchStmt *switchStmt ) { |
|---|
| 31 | bool enclosingChoose = insideChoose; |
|---|
| 32 | insideChoose = false; |
|---|
| 33 | mutateAll( switchStmt->get_branches(), *this ); |
|---|
| 34 | insideChoose = enclosingChoose; |
|---|
| 35 | return switchStmt; |
|---|
| 36 | } |
|---|
| 37 | |
|---|
| 38 | Statement *ChooseMutator::mutate( FallthruStmt *fallthruStmt ) { |
|---|
| 39 | delete fallthruStmt; |
|---|
| 40 | return new NullStmt(); |
|---|
| 41 | } |
|---|
| 42 | |
|---|
| 43 | Statement* ChooseMutator::mutate( CaseStmt *caseStmt ) { |
|---|
| 44 | std::list< Statement * > &stmts = caseStmt->get_statements(); |
|---|
| 45 | |
|---|
| 46 | if ( insideChoose ) { |
|---|
| 47 | BranchStmt *posBrk; |
|---|
| 48 | if ( (( posBrk = dynamic_cast< BranchStmt * > ( stmts.back() ) ) && |
|---|
| 49 | ( posBrk->get_type() == BranchStmt::Break )) // last statement in the list is a (superfluous) 'break' |
|---|
| 50 | || dynamic_cast< FallthruStmt * > ( stmts.back() ) ) |
|---|
| 51 | ; |
|---|
| 52 | else { |
|---|
| 53 | stmts.push_back( new BranchStmt( std::list< Label >(), "", BranchStmt::Break ) ); |
|---|
| 54 | } // if |
|---|
| 55 | } // if |
|---|
| 56 | |
|---|
| 57 | mutateAll ( stmts, *this ); |
|---|
| 58 | return caseStmt; |
|---|
| 59 | } |
|---|
| 60 | } // namespace ControlStruct |
|---|
| 61 | |
|---|
| 62 | // Local Variables: // |
|---|
| 63 | // tab-width: 4 // |
|---|
| 64 | // mode: c++ // |
|---|
| 65 | // compile-command: "make install" // |
|---|
| 66 | // End: // |
|---|
