| 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 | // ForExprMutator.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 : Mon Mar 11 22:26:52 2019 |
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| 13 | // Update Count : 14 |
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| 14 | // |
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| 15 | |
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| 16 | #include <list> // for list, _List_iterator, list<>::iterator |
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| 17 | |
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| 18 | #include "ForExprMutator.h" |
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| 19 | #include "SynTree/Label.h" // for Label |
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| 20 | #include "SynTree/Statement.h" // for Statement (ptr only), ForStmt, Compou... |
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| 21 | |
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| 22 | namespace ControlStruct { |
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| 23 | Statement * hoist( Statement * originalStmt, std::list<Statement *> & init ) { |
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| 24 | // If no hoisting is needed, skip: |
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| 25 | if ( 0 == init.size() ) { |
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| 26 | return originalStmt; |
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| 27 | } |
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| 28 | |
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| 29 | // Create compound statement, move initializers outside, |
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| 30 | // the resut of the original stays as is. |
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| 31 | CompoundStmt * block = new CompoundStmt(); |
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| 32 | std::list<Statement *> & stmts = block->get_kids(); |
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| 33 | stmts.splice( stmts.end(), init ); |
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| 34 | |
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| 35 | // Add for to the new block. |
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| 36 | stmts.push_back( originalStmt ); |
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| 37 | return block; |
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| 38 | } |
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| 39 | |
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| 40 | Statement * ForExprMutator::postmutate( IfStmt * ifStmt ) { |
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| 41 | return hoist( ifStmt, ifStmt->initialization ); |
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| 42 | } |
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| 43 | Statement * ForExprMutator::postmutate( ForStmt * forStmt ) { |
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| 44 | // hoist any initializer declarations to make them C89 (rather than C99) |
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| 45 | return hoist( forStmt, forStmt->initialization ); |
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| 46 | } |
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| 47 | Statement * ForExprMutator::postmutate( WhileStmt * whileStmt ) { |
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| 48 | return hoist( whileStmt, whileStmt->initialization ); |
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| 49 | } |
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| 50 | } // namespace ControlStruct |
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| 51 | |
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| 52 | // Local Variables: // |
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| 53 | // tab-width: 4 // |
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| 54 | // mode: c++ // |
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| 55 | // compile-command: "make install" // |
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| 56 | // End: // |
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