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open LlbcAst
include Charon.LlbcAstUtils
let lookup_fun_sig (fun_id : fun_id) (fun_decls : fun_decl FunDeclId.Map.t) :
fun_sig =
match fun_id with
| Regular id -> (FunDeclId.Map.find id fun_decls).signature
| Assumed aid -> Assumed.get_assumed_sig aid
let lookup_fun_name (fun_id : fun_id) (fun_decls : fun_decl FunDeclId.Map.t) :
Names.fun_name =
match fun_id with
| Regular id -> (FunDeclId.Map.find id fun_decls).name
| Assumed aid -> Assumed.get_assumed_name aid
(** Return the opaque declarations found in the crate.
[filter_assumed]: if [true], do not consider as opaque the external definitions
that we will map to definitions from the standard library.
Remark: the list of functions also contains the list of opaque global bodies.
*)
let crate_get_opaque_decls (k : crate) (filter_assumed : bool) :
T.type_decl list * fun_decl list =
let open ExtractAssumed in
let is_opaque_fun (d : fun_decl) : bool =
let sname = name_to_simple_name d.name in
d.body = None
(* Something to pay attention to: we must ignore trait method *declarations*
(which don't have a body but must not be considered as opaque) *)
&& (match d.kind with TraitMethodDecl _ -> false | _ -> true)
&& ((not filter_assumed)
|| not (SimpleNameMap.mem sname assumed_globals_map))
in
let is_opaque_type (d : T.type_decl) : bool = d.kind = T.Opaque in
(* Note that by checking the function bodies we also the globals *)
( List.filter is_opaque_type (T.TypeDeclId.Map.values k.types),
List.filter is_opaque_fun (FunDeclId.Map.values k.functions) )
(** Return true if the crate contains opaque declarations, ignoring the assumed
definitions. *)
let crate_has_opaque_decls (k : crate) (filter_assumed : bool) : bool =
crate_get_opaque_decls k filter_assumed <> ([], [])
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