| 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 | // XXX.cc -- |
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| 8 | // |
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| 9 | // Author : Richard C. Bilson |
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| 10 | // Created On : Mon May 18 07:44:20 2015 |
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| 11 | // Last Modified By : |
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| 12 | // Last Modified On : |
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| 13 | // Update Count : 0 |
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| 14 | // |
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| 15 | #include <list> |
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| 16 | |
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| 17 | #include "SynTree/Statement.h" |
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| 18 | #include "ChooseMutator.h" |
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| 19 | |
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| 20 | namespace ControlStruct { |
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| 21 | Statement *ChooseMutator::mutate( ChooseStmt *chooseStmt) { |
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| 22 | bool enclosingChoose = insideChoose; |
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| 23 | insideChoose = true; |
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| 24 | mutateAll( chooseStmt->get_branches(), *this ); |
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| 25 | insideChoose = enclosingChoose; |
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| 26 | return new SwitchStmt( chooseStmt->get_labels(), chooseStmt->get_condition(), chooseStmt->get_branches() ); |
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| 27 | } |
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| 28 | |
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| 29 | Statement *ChooseMutator::mutate( SwitchStmt *switchStmt ) { |
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| 30 | bool enclosingChoose = insideChoose; |
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| 31 | insideChoose = false; |
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| 32 | mutateAll( switchStmt->get_branches(), *this ); |
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| 33 | insideChoose = enclosingChoose; |
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| 34 | return switchStmt; |
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| 35 | } |
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| 36 | |
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| 37 | Statement *ChooseMutator::mutate( FallthruStmt *fallthruStmt ) { |
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| 38 | delete fallthruStmt; |
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| 39 | return new NullStmt(); |
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| 40 | } |
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| 41 | |
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| 42 | Statement* ChooseMutator::mutate(CaseStmt *caseStmt) { |
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| 43 | std::list< Statement * > &stmts = caseStmt->get_statements(); |
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| 44 | |
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| 45 | if ( insideChoose ) { |
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| 46 | BranchStmt *posBrk; |
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| 47 | if ( (( posBrk = dynamic_cast< BranchStmt * > ( stmts.back() ) ) && |
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| 48 | ( posBrk->get_type() == BranchStmt::Break )) // last statement in the list is a (superfluous) 'break' |
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| 49 | || dynamic_cast< FallthruStmt * > ( stmts.back() ) ) |
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| 50 | ; |
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| 51 | else { |
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| 52 | stmts.push_back( new BranchStmt( std::list< Label >(), "", BranchStmt::Break ) ); |
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| 53 | } // if |
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| 54 | } // if |
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| 55 | |
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| 56 | mutateAll ( stmts, *this ); |
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| 57 | return caseStmt; |
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| 58 | } |
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| 59 | } // namespace ControlStruct |
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| 60 | // Local Variables: // |
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| 61 | // tab-width: 4 // |
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| 62 | // mode: c++ // |
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| 63 | // compile-command: "make install" // |
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| 64 | // End: // |
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