shithub: martian9

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closer

--- a/macro.ml

+++ b/macro.ml

@@ -231,12 +231,13 @@

   let symbol = (Printer.print sym true) in

   let variants = ref Types.M9map.empty in

   let rec register_variants clauses =

+    let new_sym = gen_sym symbol in

     match clauses with

     | [ pattern ] ->

-       variants := Types.M9map.add (gen_sym symbol) pattern !variants;

+       variants := Types.M9map.add new_sym pattern !variants;

        !variants

     | pattern :: rest ->

-       variants := Types.M9map.add (gen_sym symbol) pattern !variants;

+       variants := Types.M9map.add new_sym pattern !variants;

        register_variants rest

     | _ -> raise (Utils.Syntax_error "macro pattern registration botch")

   in

--- a/reader.ml

+++ b/reader.ml

@@ -42,6 +42,22 @@

     raise End_of_file)

 ;;

+let fix_pattern sym pattern =

+  let tokenized_pattern = tokenize pattern in

+  let new_pattern = ref [] in

+  let rec replace_token tokens =

+    match tokens with

+    | token :: [] -> let t = if token = "_" then (Printer.print sym true) else token in

+                     new_pattern := !new_pattern @ [t];

+                     !new_pattern

+    | token :: rest -> let t = if token = "_" then (Printer.print sym true) else token in

+                       new_pattern := !new_pattern @ [t];

+                       replace_token rest

+    | _ -> raise (Utils.Syntax_error "unable to fix pattern")

+  in

+  replace_token tokenized_pattern

+;;

+

 let read_atom token =

   match token with

   | "null" -> T.Nil

@@ -121,7 +137,10 @@

         print_endline ("    variants: " ^ (Printer.print (Types.map variants) true));

         let macro_entry = Types.macro sym literals (Types.list clauses) variants in

         Env.set registered_macros sym macro_entry;

-        Types.M9map.iter (fun k v -> print_endline ("  >> " ^ Printer.print k true ^ ":  " ^ Printer.print v true)) variants;

+        Types.M9map.iter (fun k v ->

+            print_endline ("   >>> " ^ String.concat " " (fix_pattern k (Printer.print v true)));

+            print_endline ("  >> " ^ Printer.print k true ^ ":  " ^ Printer.print v true))

+          variants;

         print_endline(" >>>>>> MACRO: " ^ Printer.print macro_entry true)

      | _ -> raise (Utils.Syntax_error "read_macro botch"))

   | _ as x -> print_endline ("  rest: " ^ Printer.dump x));