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