ADT
arm-eh
ast-experimental
enum
forall-pointer-decay
jacob/cs343-translation
new-ast-unique-expr
pthread-emulation
qualifiedEnum
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Last change
on this file since fec63b2 was ecfd758, checked in by Andrew Beach <ajbeach@…>, 5 years ago |
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Major exception update, seperating type-ids from virtual tables. The major interface changes are done. There is a regression of ?Cancelled(T) to Some?Cancelled. There is some bits of code for the new verion of the ?Cancelled(T) interface already there. Not connected yet but I just reached the limit of what I wanted to do in one commit and then spent over a day cleaning up, so it will replace Some?Cancelled in a future commit.
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File size:
910 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 | #include "assert.h"
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| 18 |
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| 19 | int __cfa__is_parent( struct __cfa__parent_vtable const * parent,
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| 20 | struct __cfa__parent_vtable const * child ) {
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| 21 | assert( child );
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| 22 | do {
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| 23 | if ( parent == child )
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| 24 | return 1;
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| 25 | child = child->parent;
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| 26 | } while ( child );
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| 27 | return 0;
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| 28 | }
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| 29 |
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| 30 | void * __cfa__virtual_cast( struct __cfa__parent_vtable const * parent,
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| 31 | struct __cfa__parent_vtable const * const * child ) {
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| 32 | assert( child );
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| 33 | return (__cfa__is_parent(parent, *child)) ? (void *)child : (void *)0;
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| 34 | }
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