| [51587aa] | 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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| [0db6fc0] | 7 | // ForExprMutator.cc -- |
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| [51587aa] | 8 | // |
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| [843054c2] | 9 | // Author : Rodolfo G. Esteves |
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| [51587aa] | 10 | // Created On : Mon May 18 07:44:20 2015 |
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| [8bafacc] | 11 | // Last Modified By : Andrew Beach |
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| 12 | // Last Modified On : Fri Aug 18 10:22:00 2017 |
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| 13 | // Update Count : 12 |
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| [51587aa] | 14 | // |
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| [a08ba92] | 15 | |
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| [d180746] | 16 | #include <list> // for list, _List_iterator, list<>::iterator |
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| 17 | |
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| [51b7345] | 18 | #include "ForExprMutator.h" |
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| [d180746] | 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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| [51b7345] | 21 | |
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| 22 | namespace ControlStruct { |
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| [8bafacc] | 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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| [ba3706f] | 31 | CompoundStmt *block = new CompoundStmt(); |
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| [6d49ea3] | 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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| [8bafacc] | 35 | // Add for to the new block. |
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| 36 | stmts.push_back( originalStmt ); |
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| [6d49ea3] | 37 | return block; |
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| 38 | } |
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| 39 | |
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| [8bafacc] | 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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| [0db6fc0] | 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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| [8bafacc] | 45 | return hoist( forStmt, forStmt->initialization ); |
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| [a08ba92] | 46 | } |
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| [ee3c93d] | 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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| [51b7345] | 50 | } // namespace ControlStruct |
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| [a08ba92] | 51 | |
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| [51587aa] | 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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