| 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 | // array.h -- | 
|---|
| 8 | // | 
|---|
| 9 | // Author           : Richard C. Bilson | 
|---|
| 10 | // Created On       : Wed May 27 17:56:53 2015 | 
|---|
| 11 | // Last Modified By : Peter A. Buhr | 
|---|
| 12 | // Last Modified On : Sat Jul 22 10:04:20 2017 | 
|---|
| 13 | // Update Count     : 6 | 
|---|
| 14 | // | 
|---|
| 15 |  | 
|---|
| 16 | #pragma once | 
|---|
| 17 |  | 
|---|
| 18 | //#include <iterator> | 
|---|
| 19 |  | 
|---|
| 20 | // An array has contiguous elements accessible in any order using integer indicies. The first | 
|---|
| 21 | // element has index 0. | 
|---|
| 22 | trait array( otype array_type, otype elt_type ) { | 
|---|
| 23 | elt_type & ?[?]( array_type, int ); | 
|---|
| 24 | }; | 
|---|
| 25 |  | 
|---|
| 26 | // A bounded array is an array that carries its maximum index with it. | 
|---|
| 27 | trait bounded_array( otype array_type, otype elt_type | array( array_type *, elt_type ) ) { | 
|---|
| 28 | int last( array_type * ); | 
|---|
| 29 | }; | 
|---|
| 30 |  | 
|---|
| 31 | // implement iterator_for | 
|---|
| 32 |  | 
|---|
| 33 | forall( otype array_type, otype elt_type | bounded_array( array_type, elt_type ) ) | 
|---|
| 34 | [ elt_type * begin, elt_type * end ] get_iterators( array_type * ); | 
|---|
| 35 |  | 
|---|
| 36 |  | 
|---|
| 37 | // A bounded array can be iterated over by using a pointer to the element type. These functions | 
|---|
| 38 | // return iterators corresponding to the first element and the one-past-the-end element, STL-style. | 
|---|
| 39 | forall( otype array_type, otype elt_type | bounded_array( array_type, elt_type ) ) | 
|---|
| 40 | elt_type * begin( array_type * array ); | 
|---|
| 41 |  | 
|---|
| 42 | // The end iterator should point one past the last element. | 
|---|
| 43 | forall( otype array_type, otype elt_type | bounded_array( array_type, elt_type ) ) | 
|---|
| 44 | elt_type * end( array_type * array ); | 
|---|
| 45 |  | 
|---|
| 46 | // Local Variables: // | 
|---|
| 47 | // tab-width: 4 // | 
|---|
| 48 | // compile-command: "cfa array.c" // | 
|---|
| 49 | // End: // | 
|---|