(removed experimental file)
authorhaftmann
Fri, 17 Jun 2005 17:40:51 +0200
changeset 16420 51ef215499cb
parent 16419 0c3db621bbbd
child 16421 650ef3c13c4d
(removed experimental file)
src/Pure/codegen_axclass.ML
--- a/src/Pure/codegen_axclass.ML	Fri Jun 17 17:06:11 2005 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,102 +0,0 @@
-(*  Title:      Pure/codegen.ML
-    ID:         $Id$
-    Author:     Florian Haftmann, TU Muenchen
-
-Stub code generator for (axiomatic) type classes
-*)
-
-(*!!! for now, only experimental scratch code !!!*)
-
-type theory = unit;
-type constname = string;
-type typerepr = string;
-type clsname = string;
-type typname = string;
-type defname = string;
-type constdef = constname * typerepr;
-type instdecl = typname * clsname list * defname list;
-
-signature CODEGEN_AXCLASS =
-sig
-  val gen_clsdict_typ: theory -> clsname -> clsname list -> constdef list -> string; 
-  val gen_clsdict_insts: theory -> clsname -> clsname list -> instdecl list -> constdef list -> string; 
-  val gen_clsdicts: theory -> clsname -> clsname list -> instdecl list -> constdef list -> string -> string; 
-end;
-
-structure CodegenAxclass : CODEGEN_AXCLASS =
-struct
-
-fun enumerate ls = "  " ^ (space_implode ",\n  " ls) ^ "\n"
-
-fun get_dictidf thy cls = cls ^ "_dict";
-
-fun get_dictidf_inst thy cls ty = cls ^ "_" ^ ty ^ "_dict";
-
-fun get_clsidf thy cls = cls ^ "_class";
-
-fun get_memidf thy const = const;
-
-fun gen_clsdict_typ thy cls supclss consts =
-  "type 'a " ^ (get_dictidf thy cls) ^ " = {\n"
-  ^ (((supclss |> map (fn supcls => (get_clsidf thy supcls) ^ ": 'a " ^ (get_dictidf thy supcls)))
-      @ (consts |> map (fn (cname, ctyp) => (get_memidf thy cname) ^ ": " ^ ctyp)))
-      |> enumerate)
-  ^ "};\n";
-
-fun gen_clsdict_mem thy cls consts =
-  consts |> map (fn (cname, _) =>
-    "fun " ^ (get_memidf thy cname) ^ " (cdict:'a " ^ (get_dictidf thy cls) ^ ") = #" ^ (get_memidf thy cname) ^ " cdict;\n")
-  |> space_implode "";
-
-fun gen_clsdict_inst thy cls supclss (ty, clsargs, constdefs) consts =
-  "val " ^ (get_dictidf_inst thy cls ty) ^ " = {\n"
-  ^ (((supclss |> map (fn supcls => (get_clsidf thy cls) ^ " = " ^ (get_dictidf_inst thy supcls ty)))
-      @ ((fst (split_list consts) ~~ constdefs) |>
-        map (fn (cname, dname) => (get_memidf thy cname) ^ " = " ^ dname)))
-      |> enumerate)
-  ^ "};\n";
-
-fun gen_clsdict_insts thy cls supclss insts consts =
-  insts |> map (fn inst => gen_clsdict_inst thy cls supclss inst consts) |> cat_lines
-
-fun gen_clsdicts thy cls supclss insts consts constdefs =
-  gen_clsdict_typ thy cls supclss consts ^ "\n"
-  ^ gen_clsdict_mem thy cls consts ^ "\n"
-  ^ constdefs ^ "\n"
-  ^ (insts |> map (fn inst => gen_clsdict_inst thy cls supclss inst consts) |> cat_lines);
-
-end;
-
-open CodegenAxclass;
-
-val ex_list =
-"fun list_le _ _ [] _  = true\n" ^ 
-"  | list_le _ _ _  [] = false\n" ^ 
-"  | list_le (cdict:'a list ord_dict) (cdict1:'a ord_dict) (x::xs) (y::ys) = #lt cdict1 x y orelse #eq (#eq_class cdict1) x y andalso list_le cdict cdict1 xs ys;\n\n" ^
-"fun list_lt _ _ [] [] = false\n" ^ 
-"  | list_lt _ _ [] _  = true\n" ^ 
-"  | list_lt _ _ _  [] = false\n" ^ 
-"  | list_lt (cdict:'a list ord_dict) (cdict1:'a ord_dict) (x::xs) (y::ys) = #lt cdict1 x y orelse #eq (#eq_class cdict1) x y andalso list_lt cdict cdict1 xs ys;\n\n"
-
-val ex_eq = gen_clsdicts ()
-    "eq" []
-    [("int", [], ["(op =)"]),
-     ("char", [], ["(op =)"]),
-     ("list", [], ["(op =)"])]
-    [("eq", "'a -> 'a -> bool")]
-    "";
-
-val ex_ord = gen_clsdicts ()
-    "ord" ["eq"]
-    [("int", [], ["(op <=)", "(op <)"]),
-     ("char", [], ["(op <=)", "(op <)"]),
-     ("list", ["ord"], ["list_le", "list_lt"])]
-    [("le", "'a -> 'a -> bool"), ("lt", "'a -> 'a -> bool")]
-    ex_list;
-
-fun ex _ = TextIO.output (TextIO.stdOut, cat_lines [ex_eq, ex_ord]);
-
-(* TODO:
-- Dependency: dicttypdecl, members, (instancedef, instance)+
-- Nahtstelle ausfindig machen
-*)
\ No newline at end of file