| [86bd7c1f] | 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 | // iterator.h --
|
|---|
| 8 | //
|
|---|
| 9 | // Author : Richard C. Bilson
|
|---|
| 10 | // Created On : Wed May 27 17:56:53 2015
|
|---|
| 11 | // Last Modified By : Peter A. Buhr
|
|---|
| [e56cfdb0] | 12 | // Last Modified On : Thu Nov 19 17:58:28 2015
|
|---|
| 13 | // Update Count : 6
|
|---|
| [86bd7c1f] | 14 | //
|
|---|
| 15 |
|
|---|
| [51b73452] | 16 | #ifndef ITERATOR_H
|
|---|
| 17 | #define ITERATOR_H
|
|---|
| 18 |
|
|---|
| [134b86a] | 19 | // An iterator can be used to traverse a data structure.
|
|---|
| 20 | context iterator( type iterator_type, type elt_type ) {
|
|---|
| [86bd7c1f] | 21 | // point to the next element
|
|---|
| 22 | // iterator_type ?++( iterator_type * );
|
|---|
| 23 | iterator_type ++?( iterator_type * );
|
|---|
| 24 | iterator_type --?( iterator_type * );
|
|---|
| [134b86a] | 25 |
|
|---|
| [86bd7c1f] | 26 | // can be tested for equality with other iterators
|
|---|
| 27 | int ?==?( iterator_type, iterator_type );
|
|---|
| 28 | int ?!=?( iterator_type, iterator_type );
|
|---|
| [134b86a] | 29 |
|
|---|
| [86bd7c1f] | 30 | // dereference to get the pointed-at element
|
|---|
| 31 | lvalue elt_type *?( iterator_type );
|
|---|
| [51b73452] | 32 | };
|
|---|
| 33 |
|
|---|
| [e56cfdb0] | 34 | context iterator_for( type iterator_type, type collection_type, type elt_type | iterator( iterator_type, elt_type ) ) {
|
|---|
| [86bd7c1f] | 35 | // [ iterator_type begin, iterator_type end ] get_iterators( collection_type );
|
|---|
| 36 | iterator_type begin( collection_type );
|
|---|
| 37 | iterator_type end( collection_type );
|
|---|
| [51b73452] | 38 | };
|
|---|
| 39 |
|
|---|
| 40 | forall( type iterator_type, type elt_type | iterator( iterator_type, elt_type ) )
|
|---|
| 41 | void for_each( iterator_type begin, iterator_type end, void (*func)( elt_type ) );
|
|---|
| 42 |
|
|---|
| [e56cfdb0] | 43 | forall( type iterator_type, type elt_type | iterator( iterator_type, elt_type ) )
|
|---|
| 44 | void for_each_reverse( iterator_type begin, iterator_type end, void (*func)( elt_type ) );
|
|---|
| [134b86a] | 45 |
|
|---|
| 46 | #endif // ITERATOR_H
|
|---|
| [86bd7c1f] | 47 |
|
|---|
| 48 | // Local Variables: //
|
|---|
| 49 | // tab-width: 4 //
|
|---|
| 50 | // compile-command: "cfa iterator.c" //
|
|---|
| 51 | // End: //
|
|---|
