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widl: Only duplicate a type if absolutely necessary. 

Document how much of hack duplicating a type in order to change its
pointer type is.
This commit is contained in:
Rob Shearman 2009-02-14 18:11:26 +00:00 committed by Alexandre Julliard
parent e054c52cd1
commit 8f87eddd39
1 changed files with 13 additions and 3 deletions
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16
tools/widl/parser.y
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@ -1446,9 +1446,19 @@ static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl,
}
if (ptr && is_ptr(ptr) && (ptr_attr || top))
{
/* duplicate type to avoid changing original type */
*pt = duptype(*pt, 1);
(*pt)->type = ptr_attr ? ptr_attr : RPC_FC_RP;
if (!ptr_attr)
ptr_attr = RPC_FC_RP;
if (ptr_attr != (*pt)->type)
{
/* create new type to avoid changing original type */
/* FIXME: this is a horrible hack - we might be changing the pointer
* type of an alias here, so we also need corresponding hacks in
* get_pointer_fc to handle this. The type of pointer that the type
* ends up having is context sensitive and so we shouldn't be
* setting it here, but rather determining it when it is used. */
*pt = duptype(*pt, 1);
(*pt)->type = ptr_attr;
}
}
else if (ptr_attr)
error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);