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View of /trunk/src/compiler/common/strand-util.sml

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Revision 2356 - (download) (annotate)
Sun Apr 7 14:45:25 2013 UTC (6 years, 3 months ago) by jhr
File size: 1075 byte(s)
  Merging in bug fixes and language enhancements from the vis12 branch (via staging).
  Features include type promotion, the curl and colon operator, transpose, and functions.
(* 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
      = 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 StrandsMayDie = "StrandsMayDie"
      | propToString NewStrands = "NewStrands"
      | propToString StrandCommunication = "StrandCommunication"
      | propToString GlobalReduce = "GlobalReduce"

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

  end

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