[79308c8e] | 1 | // |
---|
| 2 | // Cforall Version 1.0.0 Copyright (C) 2016 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 | // result -- Contains the expected value or an error value. |
---|
| 8 | // |
---|
| 9 | // Author : Andrew Beach |
---|
[58daf53] | 10 | // Created On : Wed May 24 14:45:00 2017 |
---|
[79308c8e] | 11 | // Last Modified By : Andrew Beach |
---|
[20877d2] | 12 | // Last Modified On : Fri Jun 16 15:41:00 2017 |
---|
| 13 | // Update Count : 2 |
---|
[79308c8e] | 14 | // |
---|
| 15 | |
---|
| 16 | |
---|
| 17 | #ifndef RESULT_H |
---|
| 18 | #define RESULT_H |
---|
| 19 | |
---|
[64fc0ba] | 20 | #include <stdbool.h> |
---|
[79308c8e] | 21 | |
---|
| 22 | // DO NOT USE DIRECTLY! |
---|
[64fc0ba] | 23 | forall(otype T, otype E) |
---|
| 24 | union inner_result{ |
---|
| 25 | T value; |
---|
| 26 | E error; |
---|
| 27 | }; |
---|
| 28 | |
---|
[79308c8e] | 29 | forall(otype T, otype E) |
---|
| 30 | struct result { |
---|
[64fc0ba] | 31 | bool has_value; |
---|
| 32 | inner_result(T, E); |
---|
[79308c8e] | 33 | }; |
---|
| 34 | |
---|
| 35 | |
---|
| 36 | forall(otype T, otype E) |
---|
| 37 | void ?{}(result(T, E) * this); |
---|
| 38 | |
---|
| 39 | forall(otype T, otype E) |
---|
| 40 | void ?{}(result(T, E) * this, one_t, T value); |
---|
| 41 | |
---|
| 42 | forall(otype T, otype E) |
---|
| 43 | void ?{}(result(T, E) * this, zero_t, E error); |
---|
| 44 | |
---|
| 45 | forall(otype T, otype E) |
---|
| 46 | void ?{}(result(T, E) * this, result(T, E) other); |
---|
| 47 | |
---|
| 48 | forall(otype T, otype E) |
---|
| 49 | void ^?{}(result(T, E) * this); |
---|
| 50 | |
---|
[58daf53] | 51 | forall(otype T, otype E) |
---|
| 52 | result(T, E) ?=?(result(T, E) * this, result(T, E) other); |
---|
| 53 | |
---|
[79308c8e] | 54 | forall(otype T, otype E) |
---|
[64fc0ba] | 55 | bool ?!=?(result(T, E) this, zero_t); |
---|
[79308c8e] | 56 | |
---|
[20877d2] | 57 | /* Wating for bug#11 to be fixed. |
---|
[79308c8e] | 58 | forall(otype T, otype E) |
---|
| 59 | result(T, E) result_value(T value); |
---|
| 60 | |
---|
| 61 | forall(otype T, otype E) |
---|
| 62 | result(T, E) result_error(E error); |
---|
[20877d2] | 63 | */ |
---|
[79308c8e] | 64 | |
---|
| 65 | forall(otype T, otype E) |
---|
[64fc0ba] | 66 | bool has_value(result(T, E) * this); |
---|
[79308c8e] | 67 | |
---|
| 68 | forall(otype T, otype E) |
---|
| 69 | T get(result(T, E) * this); |
---|
| 70 | |
---|
| 71 | forall(otype T, otype E) |
---|
| 72 | E get_error(result(T, E) * this); |
---|
| 73 | |
---|
[58daf53] | 74 | forall(otype T, otype E) |
---|
| 75 | void set(result(T, E) * this, T value); |
---|
| 76 | |
---|
| 77 | forall(otype T, otype E) |
---|
| 78 | void set_error(result(T, E) * this, E error); |
---|
| 79 | |
---|
[79308c8e] | 80 | #endif // RESULT_H |
---|