diff options
Diffstat (limited to 'cparser')
| -rw-r--r-- | cparser/Cutil.ml | 42 | ||||
| -rw-r--r-- | cparser/Cutil.mli | 4 |
2 files changed, 46 insertions, 0 deletions
diff --git a/cparser/Cutil.ml b/cparser/Cutil.ml index 074a0802..a86c779f 100644 --- a/cparser/Cutil.ml +++ b/cparser/Cutil.ml @@ -177,6 +177,48 @@ let remove_attributes_type env attr t = let erase_attributes_type env t = change_attributes_type env (fun a -> []) t +(* Remove all attributes from type that are not contained in attr *) +let strip_attributes_type t attr = + let strip = List.filter (fun a -> List.mem a attr) in + match t with + | TVoid at -> TVoid (strip at) + | TInt (k,at) -> TInt (k,strip at) + | TFloat (k,at) -> TFloat(k,strip at) + | TPtr (t,at) -> TPtr(t,strip at) + | TArray (t,s,at) -> TArray(t,s,strip at) + | TFun (t,arg,v,at) -> TFun(t,arg,v,strip at) + | TNamed (n,at) -> TNamed(n,strip at) + | TStruct (n,at) -> TStruct(n,strip at) + | TUnion (n,at) -> TUnion(n,strip at) + | TEnum (n,at) -> TEnum(n,strip at) + +(* Remove the last attribute from the toplevel and return the changed type *) +let strip_last_attribute typ = + let rec hd_opt l = match l with + [] -> None,[] + | a::rest -> Some a,rest in + match typ with + | TVoid at -> let l,r = hd_opt at in + l,TVoid r + | TInt (k,at) -> let l,r = hd_opt at in + l,TInt (k,r) + | TFloat (k,at) -> let l,r = hd_opt at in + l,TFloat (k,r) + | TPtr (t,at) -> let l,r = hd_opt at in + l,TPtr(t,r) + | TArray (t,s,at) -> let l,r = hd_opt at in + l,TArray(t,s,r) + | TFun (t,arg,v,at) -> let l,r = hd_opt at in + l,TFun(t,arg,v,r) + | TNamed (n,at) -> let l,r = hd_opt at in + l,TNamed(n,r) + | TStruct (n,at) -> let l,r = hd_opt at in + l,TStruct(n,r) + | TUnion (n,at) -> let l,r = hd_opt at in + l,TUnion(n,r) + | TEnum (n,at) -> let l,r = hd_opt at in + l,TEnum(n,r) + (* Extracting alignment value from a set of attributes. Return 0 if none. *) let alignas_attribute al = diff --git a/cparser/Cutil.mli b/cparser/Cutil.mli index ef1266d5..8b6c609b 100644 --- a/cparser/Cutil.mli +++ b/cparser/Cutil.mli @@ -56,6 +56,10 @@ val attr_is_type_related: attribute -> bool (* Is an attribute type-related (true) or variable-related (false)? *) val attr_inherited_by_members: attribute -> bool (* Is an attribute of a composite inherited by members of the composite? *) +val strip_attributes_type: typ -> attribute list -> typ + (* Remove all attributes from the given type that are not contained in the list *) +val strip_last_attribute: typ -> attribute option * typ + (* Remove the last top level attribute and return it *) (* Type compatibility *) |