(* Title: HOL/Library/Code_Char.thy
ID: $Id$
Author: Florian Haftmann
*)
header {* Code generation of pretty characters (and strings) *}
theory Code_Char
imports Plain "~~/src/HOL/List" "~~/src/HOL/Code_Eval"
begin
declare char.recs [code func del] char.cases [code func del]
code_type char
(SML "char")
(OCaml "char")
(Haskell "Char")
setup {*
fold (fn target => add_literal_char target) ["SML", "OCaml", "Haskell"]
#> add_literal_list_string "Haskell"
*}
code_instance char :: eq
(Haskell -)
code_reserved SML
char
code_reserved OCaml
char
code_const "op = \<Colon> char \<Rightarrow> char \<Rightarrow> bool"
(SML "!((_ : char) = _)")
(OCaml "!((_ : char) = _)")
(Haskell infixl 4 "==")
lemma [code func, code func del]:
"(Code_Eval.term_of :: char \<Rightarrow> term) = Code_Eval.term_of" ..
code_const "Code_Eval.term_of \<Colon> char \<Rightarrow> term"
(SML "HOLogic.mk'_char/ (IntInf.fromInt/ (Char.ord/ _))")
end