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-rw-r--r--src/Interpreter.ml20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/Interpreter.ml b/src/Interpreter.ml
index 55045cf5..25ba60f5 100644
--- a/src/Interpreter.ml
+++ b/src/Interpreter.ml
@@ -1653,6 +1653,8 @@ let eval_binary_op (config : config) (ctx : eval_ctx) (binop : binop)
match res with Error _ -> Error Panic | Ok v -> Ok (ctx2, v))
| _ -> failwith "Invalid inputs for binop"
+(** Evaluate an rvalue in a given context: return the updated context and
+ the computed value *)
let eval_rvalue (config : config) (ctx : eval_ctx) (rvalue : rvalue) :
(eval_ctx * typed_value) eval_result =
match rvalue with
@@ -1755,3 +1757,21 @@ let eval_rvalue (config : config) (ctx : eval_ctx) (rvalue : rvalue) :
in
let aty = Types.Adt (def_id, regions, types) in
Ok (ctx1, { value = Adt av; ty = aty }))
+
+(** Result of evaluating a statement *)
+type statement_eval_res = Unit | Break of int | Continue of int | Panic
+
+let rec eval_statement (ctx : eval_ctx) (st : statement) :
+ eval_ctx * statement_eval_res =
+ match st with
+ | Assign (p, rvalue) -> raise Unimplemented
+ | FakeRead p -> raise Unimplemented
+ | SetDiscriminant (p, variant_id) -> raise Unimplemented
+ | Drop p -> raise Unimplemented
+ | Assert assertion -> raise Unimplemented
+ | Call call -> raise Unimplemented
+ | Panic -> raise Unimplemented
+ | Return -> raise Unimplemented
+ | Break i -> raise Unimplemented
+ | Continue -> raise Unimplemented
+ | Nop -> (ctx, Unit)