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Added missing ivar access functions.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@32939 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
David Chisnall 2011-04-28 18:41:01 +00:00
parent ff0b5abd62
commit a95b18e430
1 changed files with 31 additions and 0 deletions
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31
Source/ObjectiveC2/runtime.c
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@ -436,6 +436,37 @@ class_getInstanceVariable(Class cls, const char *name)
return NULL;
}
void object_setIvar(id object, Ivar ivar, id value)
{
char *addr = (char*)&object;
addr += ivar_getOffset(ivar);
*(id*)addr = value;
}
Ivar object_setInstanceVariable(id obj, const char *name, void *value)
{
Ivar ivar = class_getInstanceVariable(object_getClass(obj), name);
object_setIvar(obj, ivar, value);
return ivar;
}
id object_getIvar(id object, Ivar ivar)
{
return *(id*)(((char*)&object) + ivar_getOffset(ivar));
}
Ivar object_getInstanceVariable(id obj, const char *name, void **outValue)
{
Ivar ivar = class_getInstanceVariable(object_getClass(obj), name);
if (NULL != outValue)
{
*outValue = object_getIvar(obj, ivar);
}
return ivar;
}
// The format of the char* is undocumented. This function is only ever used in
// conjunction with class_setIvarLayout().
const char *