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View of /branches/vis12-cl/src/compiler/common/strand-util.sml

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Revision 2648 - (download) (annotate)
Thu May 29 18:22:21 2014 UTC (6 years, 5 months ago) by jhr
File size: 1426 byte(s)
  Working on OpenCL support
(* strand-util.sml
 *
 * COPYRIGHT (c) 2011 The Diderot Project (http://diderot-language.cs.uchicago.edu)
 * All rights reserved.
 *
 * Utility definitions for strands.
 *)

structure StrandUtil =
  struct

  (* method names *)
    datatype method_name
      = Update
      | Stabilize

    fun nameToString Update = "Update"
      | nameToString Stabilize = "Stabilize"

  (* program properties *)
    datatype program_prop
      = DynamicSeq			(* present if strands compute dynamic sequences *)
      | StrandsMayDie                   (* present if strands may die *)
      | NewStrands                      (* present if new strands may be created dynamically *)
      | StrandCommunication             (* present if strands read the state of other strands *)
      | GlobalReduce                    (* present if there is a global reduce phase *)

    fun propToString DynamicSeq = "DynamicSeq"
      | propToString StrandsMayDie = "StrandsMayDie"
      | propToString NewStrands = "NewStrands"
      | propToString StrandCommunication = "StrandCommunication"
      | propToString GlobalReduce = "GlobalReduce"

    fun propsToString [] = "none"
      | propsToString [p] = propToString p 
      | propsToString (p::props) = String.concat(
          propToString p
            :: List.foldr (fn (p, l) => "," :: propToString p :: l) [] props)

    fun hasProp (prop : program_prop) = List.exists (fn p => prop = p)

  end

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