package p4spectec

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  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/inst/value_dependency.ml.html

Source file value_dependency.ml

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module Value = Runtime.Value
module Dep = Runtime.Testgen_neg.Dep

let make_deriving ~(cache_on : unit -> unit) ~(cache_off : unit -> unit) =
  (* Value dependency graph and a reader for it *)
  let vdg = ref (Dep.Graph.empty ()) in
  let read () = !vdg in
  (* Instruction coverage measurement handler *)
  let module H : Handler.HANDLER = struct
    include Handler.Default

    let init_spec (_spec : Handler.spec) : unit = cache_off ()
    let finish () : unit = cache_on ()

    let on_program (value_program : Value.t) : unit =
      vdg := Dep.Graph.assemble_graph value_program

    let on_value (value : Value.t) : unit =
      Dep.Graph.add_node ~taint:false !vdg value

    let on_value_dependency (value : Value.t) (value_dep : Value.t)
        (label : Dep.Edges.label) : unit =
      Dep.Graph.add_edge !vdg value value_dep label
  end in
  (* Return the handler and the reader *)
  ((module H : Handler.HANDLER), read)

let make_non_deriving () =
  (* Value dependency graph and a reader for it *)
  let vdg = ref (Dep.Graph.empty ()) in
  let read () = !vdg in
  (* Instruction coverage measurement handler *)
  let module H : Handler.HANDLER = struct
    include Handler.Default

    let on_program (value_program : Value.t) : unit =
      vdg := Dep.Graph.assemble_graph value_program
  end in
  (* Return the handler and the reader *)
  ((module H : Handler.HANDLER), read)

let make ~(derive : bool) ~(cache_on : unit -> unit) ~(cache_off : unit -> unit)
    =
  if derive then make_deriving ~cache_on ~cache_off else make_non_deriving ()