ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc
Last change
on this file since 64fc0ba was
64fc0ba,
checked in by Thierry Delisle <tdelisle@…>, 7 years ago
|
Added maybe and result to libcfa makefiles and made some minor fixes
|
-
Property mode set to
100644
|
File size:
1.3 KB
|
Rev | Line | |
---|
[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 | // maybe.c -- May contain a value. |
---|
| 8 | // |
---|
| 9 | // Author : Andrew Beach |
---|
| 10 | // Created On : Wed May 25 15:40:00 2017 |
---|
| 11 | // Last Modified By : Andrew Beach |
---|
| 12 | // Last Modified On : Wed May 25 17:00:00 2017 |
---|
| 13 | // Update Count : 1 |
---|
| 14 | // |
---|
| 15 | |
---|
| 16 | #include <containers/maybe> |
---|
| 17 | #include <assert> |
---|
| 18 | |
---|
| 19 | |
---|
| 20 | forall(otype T) |
---|
| 21 | void ?{}(maybe(T) * this) { |
---|
| 22 | this->has_value = false; |
---|
| 23 | } |
---|
| 24 | |
---|
| 25 | forall(otype T) |
---|
| 26 | void ?{}(maybe(T) * this, T value) { |
---|
| 27 | this->has_value = true; |
---|
| 28 | this->value = value; |
---|
| 29 | } |
---|
| 30 | |
---|
| 31 | forall(otype T) |
---|
| 32 | void ?{}(maybe(T) * this, maybe(T) other) { |
---|
| 33 | this->has_value = other.has_value; |
---|
| 34 | if (other.has_value) { |
---|
| 35 | this->value = other.value; |
---|
| 36 | } |
---|
| 37 | } |
---|
| 38 | |
---|
| 39 | forall(otype T) |
---|
| 40 | void ^?{}(maybe(T) * this) { |
---|
| 41 | if (this->has_value) { |
---|
[64fc0ba] | 42 | ^(&this->value){}; |
---|
[79308c8e] | 43 | } |
---|
| 44 | } |
---|
| 45 | |
---|
| 46 | forall(otype T) |
---|
[64fc0ba] | 47 | bool ?!=?(maybe(T) this, zero_t) { |
---|
| 48 | return !this.has_value; |
---|
[79308c8e] | 49 | } |
---|
| 50 | |
---|
| 51 | forall(otype T) |
---|
| 52 | maybe(T) maybe_value(T value) { |
---|
[64fc0ba] | 53 | return (maybe(T)){value}; |
---|
[79308c8e] | 54 | } |
---|
| 55 | |
---|
| 56 | forall(otype T) |
---|
| 57 | maybe(T) maybe_none() { |
---|
[64fc0ba] | 58 | return (maybe(T)){}; |
---|
[79308c8e] | 59 | } |
---|
| 60 | |
---|
| 61 | forall(otype T) |
---|
[64fc0ba] | 62 | bool has_value(maybe(T) * this) { |
---|
[79308c8e] | 63 | return this->has_value; |
---|
| 64 | } |
---|
| 65 | |
---|
| 66 | forall(otype T) |
---|
| 67 | T get(maybe(T) * this) { |
---|
| 68 | assertf(this->has_value, "attempt to get from maybe without value"); |
---|
| 69 | return this->value; |
---|
| 70 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.