package p4spectec

  1. Overview
  2. Docs
P4-SpecTec: A mechanization toolchain for the P4 Programming Language

Install 

dune-project
 Dependency

github.com Readme Edit opam file Versions (2)

Authors

  1. K
    KAIST PLRG

Maintainers

  1. 9
    99jaehyunlee@kaist.ac.kr

Sources

v0.1.2.tar.gz
md5=1a3bc0a385fe1ecf403c019f49aa6de6
sha512=5d20b5821f33e2a3a5419b208606f27c01511994c2b3b1e1cdf4c077056dfd0aa81682af0720e1060ee2bfb0341918fcc4c53159820205a2bc32b725e5c1a714

doc/src/p4spectec.backend_sim/extern.ml.html

Source file extern.ml

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module Value = Runtime.Value
module Typ = Runtime.Type.Typ
module Run = Runtime.Dynamic_Runner.Signature
open Error
open Util.Source

module type IMPL = sig
  val eval_extern_init : Value.t list -> Value.t
  val eval_extern_func_lctk_call : Value.t list -> Value.t list
  val eval_extern_func_call : Value.t list -> Value.t list
  val eval_extern_method_call : Value.t list -> Value.t list
  val init_arch_state : Value.t
end

module Make (A : IMPL) : Run.EXTERN = struct
  let init_mode _ = ()
  let checkpoint () : int = 0
  let seff (before : int) (after : int) : bool = before <> after
  let clear () = ()

  module Cache = struct
    let cache_on () = ()
    let cache_off () = ()
  end

  let eval_extern_rel (name : string) (values_input : Value.t list) :
      Run.rel_result =
    try
      Run.Pass
        (match name with
        | "ExternFunctionCall_eval_lctk" ->
            A.eval_extern_func_lctk_call values_input
        | "ExternFunctionCall_eval" -> A.eval_extern_func_call values_input
        | "ExternMethodCall_eval" -> A.eval_extern_method_call values_input
        | _ ->
            error no_region
              (Format.asprintf "unimplemented extern relation: %s" name))
    with Util.Error.ExternError (at, msg) -> Run.Fail (at, msg)

  let eval_extern_func (name : string) (_typs : Typ.t list)
      (values_input : Value.t list) : Run.func_result =
    try
      Run.Pass
        (match name with
        | "init_objectState" -> A.eval_extern_init values_input
        | "init_archState" -> A.init_arch_state
        | _ ->
            error no_region
              (Format.asprintf "unimplemented extern function: %s" name))
    with Util.Error.ExternError (at, msg) -> Run.Fail (at, msg)
end