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src/HOL/Library/Code_Char.thy
author wenzelm
Tue, 14 Jul 2009 12:18:52 +0200
changeset 32004 6ef7056e5215
parent 31053 b7e1c065b6e4
child 32657 5f13912245ff
permissions -rw-r--r--
removed obsolete/unused legacy_unvarify;

(*  Title:      HOL/Library/Code_Char.thy
    Author:     Florian Haftmann
*)

header {* Code generation of pretty characters (and strings) *}

theory Code_Char
imports List Code_Eval Main
begin

code_type char
  (SML "char")
  (OCaml "char")
  (Haskell "Char")

setup {*
  fold String_Code.add_literal_char ["SML", "OCaml", "Haskell"] 
  #> String_Code.add_literal_list_string "Haskell"
*}

code_instance char :: eq
  (Haskell -)

code_reserved SML
  char

code_reserved OCaml
  char

code_const "eq_class.eq \<Colon> char \<Rightarrow> char \<Rightarrow> bool"
  (SML "!((_ : char) = _)")
  (OCaml "!((_ : char) = _)")
  (Haskell infixl 4 "==")

code_const "Code_Eval.term_of \<Colon> char \<Rightarrow> term"
  (Eval "HOLogic.mk'_char/ (IntInf.fromInt/ (Char.ord/ _))")

end
isabelle