| 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 : 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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| 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( std::list< Label >() );
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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 | } // namespace ControlStruct
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| 48 |
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| 49 | // Local Variables: //
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| 50 | // tab-width: 4 //
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| 51 | // mode: c++ //
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| 52 | // compile-command: "make install" //
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| 53 | // End: //
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