ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc
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Last change
on this file since 1e6e08de was
a5f0529,
checked in by Andrew Beach <ajbeach@…>, 7 years ago
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Virtual casts have been added. They still require a lot of hand coded support to work but for simple cases it should be enough.
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-
Property mode set to
100644
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File size:
854 bytes
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| 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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| 7 | // virtual.c -- |
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| 8 | // |
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| 9 | // Author : Andrew Beach |
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| 10 | // Created On : Tus Jul 11 15:10:00 2017 |
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| 11 | // Last Modified By : Andrew Beach |
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| 12 | // Last Modified On : Wed Jul 26 14:24:00 2017 |
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| 13 | // Update Count : 1 |
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| 14 | // |
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| 15 | |
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| 16 | #include "virtual.h" |
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| 17 | |
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| 18 | int __cfa__is_parent( struct __cfa__parent_vtable const * parent, |
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| 19 | struct __cfa__parent_vtable const * child ) { |
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| 20 | do { |
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| 21 | if ( parent == child ) |
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| 22 | return 1; |
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| 23 | child = child->parent; |
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| 24 | } while ( child ); |
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| 25 | return 0; |
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| 26 | } |
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| 27 | |
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| 28 | void * __cfa__virtual_cast( struct __cfa__parent_vtable const * parent, |
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| 29 | struct __cfa__parent_vtable const * const * child ) { |
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| 30 | return (__cfa__is_parent(parent, *child)) ? (void *)child : (void *)0; |
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| 31 | } |
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