src/Tools/Metis/PortableIsabelle.sml

avoid showing semantic aspects of Unicode -- Isabelle/Scala merely (ab)uses the low-level rendering model (codepoint + font);

(*  Title:      Tools/Metis/PortableIsabelle.sml
    Author:     Jasmin Blanchette, TU Muenchen
    Copyright   2010

Isabelle-specific setup for Metis. Based on "src/PortablePolyml.sml".
*)

structure Portable :> Portable =
struct

val ml = "isabelle"

fun pointerEqual (x : 'a, y : 'a) = pointer_eq (x, y)

fun critical e () = NAMED_CRITICAL "metis" e

val randomWord = Random.nextWord
val randomBool = Random.nextBool
val randomInt = Random.nextInt
val randomReal = Random.nextReal

fun time f x = f x (* dummy *)

end

datatype 'a frag = QUOTE of string | ANTIQUOTE of 'a