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(* Title: Tools/Code/code_ml.ML 
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Author: Florian Haftmann, TU Muenchen 
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Serializer for SML and OCaml. 

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*) 

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signature CODE_ML = 

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sig 

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val target_SML: string 
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val target_OCaml: string 
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val setup: theory > theory 
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end; 

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structure Code_ML : CODE_ML = 

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struct 

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open Basic_Code_Thingol; 

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open Code_Printer; 

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infixr 5 @@; 

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infixr 5 @; 

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(** generic **) 

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val target_SML = "SML"; 
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val target_OCaml = "OCaml"; 

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datatype ml_binding = 
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ML_Function of string * (typscheme * ((iterm list * iterm) * (thm option * bool)) list) 
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 ML_Instance of string * { class: string, tyco: string, vs: (vname * sort) list, 
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superinsts: (class * (string * (string * dict list list))) list, 
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inst_params: ((string * const) * (thm * bool)) list, 
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superinst_params: ((string * const) * (thm * bool)) list }; 
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datatype ml_stmt = 
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ML_Exc of string * (typscheme * int) 
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 ML_Val of ml_binding 
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 ML_Funs of ml_binding list * string list 
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 ML_Datas of (string * (vname list * ((string * vname list) * itype list) list)) list 
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 ML_Class of string * (vname * ((class * string) list * (string * itype) list)); 
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fun print_product _ [] = NONE 
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 print_product print [x] = SOME (print x) 

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 print_product print xs = (SOME o enum " *" "" "") (map print xs); 
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fun tuplify _ _ [] = NONE 
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 tuplify print fxy [x] = SOME (print fxy x) 

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 tuplify print _ xs = SOME (enum "," "(" ")" (map (print NOBR) xs)); 

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(** SML serializer **) 

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fun print_sml_stmt tyco_syntax const_syntax reserved is_cons deresolve = 
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let 
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fun print_tyco_expr (tyco, []) = (str o deresolve) tyco 
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 print_tyco_expr (tyco, [ty]) = 

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concat [print_typ BR ty, (str o deresolve) tyco] 
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 print_tyco_expr (tyco, tys) = 
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concat [enum "," "(" ")" (map (print_typ BR) tys), (str o deresolve) tyco] 
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and print_typ fxy (tyco `%% tys) = (case tyco_syntax tyco 
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of NONE => print_tyco_expr (tyco, tys) 
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 SOME (_, print) => print print_typ fxy tys) 

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 print_typ fxy (ITyVar v) = str ("'" ^ v); 
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fun print_dicttyp (class, ty) = print_tyco_expr (class, [ty]); 
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fun print_typscheme_prefix (vs, p) = enum " >" "" "" 
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(map_filter (fn (v, sort) => 
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(print_product (fn class => print_dicttyp (class, ITyVar v)) sort)) vs @ p); 

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fun print_typscheme (vs, ty) = print_typscheme_prefix (vs, print_typ NOBR ty); 

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fun print_dicttypscheme (vs, class_ty) = print_typscheme_prefix (vs, print_dicttyp class_ty); 

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fun print_classrels fxy [] ps = brackify fxy ps 
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 print_classrels fxy [classrel] ps = brackify fxy [(str o deresolve) classrel, brackify BR ps] 
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 print_classrels fxy classrels ps = 
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brackify fxy [enum " o" "(" ")" (map (str o deresolve) classrels), brackify BR ps] 
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fun print_dict is_pseudo_fun fxy (Dict (classrels, x)) = 
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print_classrels fxy classrels (print_plain_dict is_pseudo_fun fxy x) 
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and print_plain_dict is_pseudo_fun fxy (Dict_Const (inst, dss)) = 
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((str o deresolve) inst :: 
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(if is_pseudo_fun inst then [str "()"] 
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else map_filter (print_dicts is_pseudo_fun BR) dss)) 

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 print_plain_dict is_pseudo_fun fxy (Dict_Var (v, (i, k))) = 
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[str (if k = 1 then first_upper v ^ "_" 
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else first_upper v ^ string_of_int (i+1) ^ "_")] 
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and print_dicts is_pseudo_fun = tuplify (print_dict is_pseudo_fun); 
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val print_dict_args = map_filter (fn (v, sort) => print_dicts (K false) BR 
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(map_index (fn (i, _) => Dict ([], Dict_Var (v, (i, length sort)))) sort)); 
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fun print_term is_pseudo_fun some_thm vars fxy (IConst const) = 
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print_app is_pseudo_fun some_thm vars fxy (const, []) 
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 print_term is_pseudo_fun some_thm vars fxy (IVar NONE) = 
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str "_" 
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 print_term is_pseudo_fun some_thm vars fxy (IVar (SOME v)) = 
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str (lookup_var vars v) 
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 print_term is_pseudo_fun some_thm vars fxy (t as t1 `$ t2) = 
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(case Code_Thingol.unfold_const_app t 
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of SOME app => print_app is_pseudo_fun some_thm vars fxy app 
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 NONE => brackify fxy [print_term is_pseudo_fun some_thm vars NOBR t1, 
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print_term is_pseudo_fun some_thm vars BR t2]) 

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 print_term is_pseudo_fun some_thm vars fxy (t as _ `=> _) = 

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let 
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val (binds, t') = Code_Thingol.unfold_pat_abs t; 
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fun print_abs (pat, ty) = 
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print_bind is_pseudo_fun some_thm NOBR pat 
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#>> (fn p => concat [str "fn", p, str "=>"]); 
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val (ps, vars') = fold_map print_abs binds vars; 
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in brackets (ps @ [print_term is_pseudo_fun some_thm vars' NOBR t']) end 
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 print_term is_pseudo_fun some_thm vars fxy (ICase case_expr) = 
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(case Code_Thingol.unfold_const_app (#primitive case_expr) 
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of SOME (app as ({ name = c, ... }, _)) => if is_none (const_syntax c) 
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then print_case is_pseudo_fun some_thm vars fxy case_expr 
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else print_app is_pseudo_fun some_thm vars fxy app 
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 NONE => print_case is_pseudo_fun some_thm vars fxy case_expr) 
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and print_app_expr is_pseudo_fun some_thm vars (app as ({ name = c, dicts = dss, dom = dom, ... }, ts)) = 
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if is_cons c then 
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let val k = length dom in 
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if k < 2 orelse length ts = k 
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then (str o deresolve) c 

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:: the_list (tuplify (print_term is_pseudo_fun some_thm vars) BR ts) 
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else [print_term is_pseudo_fun some_thm vars BR (Code_Thingol.eta_expand k app)] 
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end 
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else if is_pseudo_fun c 
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then (str o deresolve) c @@ str "()" 
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else (str o deresolve) c :: map_filter (print_dicts is_pseudo_fun BR) dss 
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@ map (print_term is_pseudo_fun some_thm vars BR) ts 
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and print_app is_pseudo_fun some_thm vars = gen_print_app (print_app_expr is_pseudo_fun) 

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(print_term is_pseudo_fun) const_syntax some_thm vars 
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and print_bind is_pseudo_fun = gen_print_bind (print_term is_pseudo_fun) 
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and print_case is_pseudo_fun some_thm vars fxy { clauses = [], ... } = 
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(concat o map str) ["raise", "Fail", "\"empty case\""] 
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 print_case is_pseudo_fun some_thm vars fxy (case_expr as { clauses = [_], ... }) = 
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let 
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val (binds, body) = Code_Thingol.unfold_let (ICase case_expr); 
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fun print_match ((pat, _), t) vars = 
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vars 
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> print_bind is_pseudo_fun some_thm NOBR pat 
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>> (fn p => semicolon [str "val", p, str "=", 
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print_term is_pseudo_fun some_thm vars NOBR t]) 
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val (ps, vars') = fold_map print_match binds vars; 
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in 
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Pretty.chunks [ 

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Pretty.block [str "let", Pretty.fbrk, Pretty.chunks ps], 
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Pretty.block [str "in", Pretty.fbrk, print_term is_pseudo_fun some_thm vars' NOBR body], 
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str "end" 
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] 
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end 

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 print_case is_pseudo_fun some_thm vars fxy { term = t, typ = ty, clauses = clause :: clauses, ... } = 
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let 
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fun print_select delim (pat, body) = 
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let 
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val (p, vars') = print_bind is_pseudo_fun some_thm NOBR pat vars; 
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in 
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concat [str delim, p, str "=>", print_term is_pseudo_fun some_thm vars' NOBR body] 
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end; 
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in 

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brackets ( 
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str "case" 
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:: print_term is_pseudo_fun some_thm vars NOBR t 
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:: print_select "of" clause 
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:: map (print_select "") clauses 

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) 
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end; 
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fun print_val_decl print_typscheme (name, typscheme) = concat 
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[str "val", str (deresolve name), str ":", print_typscheme typscheme]; 

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fun print_datatype_decl definer (tyco, (vs, cos)) = 

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let 

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fun print_co ((co, _), []) = str (deresolve co) 
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 print_co ((co, _), tys) = concat [str (deresolve co), str "of", 

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enum " *" "" "" (map (print_typ (INFX (2, X))) tys)]; 
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in 
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concat ( 

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str definer 

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:: print_tyco_expr (tyco, map ITyVar vs) 
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:: str "=" 
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:: separate (str "") (map print_co cos) 

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) 

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end; 

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fun print_def is_pseudo_fun needs_typ definer 

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(ML_Function (name, (vs_ty as (vs, ty), eq :: eqs))) = 

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let 
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fun print_eqn definer ((ts, t), (some_thm, _)) = 
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let 
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val consts = fold Code_Thingol.add_constnames (t :: ts) []; 
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val vars = reserved 
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> intro_base_names 
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(is_none o const_syntax) deresolve consts 
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> intro_vars ((fold o Code_Thingol.fold_varnames) 
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(insert (op =)) ts []); 
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val prolog = if needs_typ then 
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concat [str definer, (str o deresolve) name, str ":", print_typ NOBR ty] 
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else (concat o map str) [definer, deresolve name]; 
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in 
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concat ( 
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prolog 
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:: (if is_pseudo_fun name then [str "()"] 
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else print_dict_args vs 
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@ map (print_term is_pseudo_fun some_thm vars BR) ts) 
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@ str "=" 
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@@ print_term is_pseudo_fun some_thm vars NOBR t 
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) 
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end 
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val shift = if null eqs then I else 
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map (Pretty.block o single o Pretty.block o single); 

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in pair 

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(print_val_decl print_typscheme (name, vs_ty)) 

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((Pretty.block o Pretty.fbreaks o shift) ( 

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print_eqn definer eq 

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:: map (print_eqn "") eqs 

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)) 

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end 
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 print_def is_pseudo_fun _ definer 
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(ML_Instance (inst, { class, tyco, vs, superinsts, inst_params, ... })) = 
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let 
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fun print_super_instance (_, (classrel, x)) = 
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concat [ 
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(str o Long_Name.base_name o deresolve) classrel, 
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str "=", 
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print_dict is_pseudo_fun NOBR (Dict ([], Dict_Const x)) 
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]; 
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fun print_classparam_instance ((classparam, const), (thm, _)) = 
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concat [ 
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(str o Long_Name.base_name o deresolve) classparam, 
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str "=", 
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print_app (K false) (SOME thm) reserved NOBR (const, []) 
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]; 
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in pair 
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(print_val_decl print_dicttypscheme 

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(inst, (vs, (class, tyco `%% map (ITyVar o fst) vs)))) 

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(concat ( 

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str definer 
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:: (str o deresolve) inst 
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:: (if is_pseudo_fun inst then [str "()"] 
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else print_dict_args vs) 
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@ str "=" 
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:: enum "," "{" "}" 
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234 
(map print_super_instance superinsts 
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@ map print_classparam_instance inst_params) 
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:: str ":" 
47609  237 
@@ print_tyco_expr (class, [tyco `%% map (ITyVar o fst) vs]) 
33992  238 
)) 
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239 
end; 
33992  240 
fun print_stmt (ML_Exc (name, (vs_ty, n))) = pair 
241 
[print_val_decl print_typscheme (name, vs_ty)] 

242 
((semicolon o map str) ( 

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(if n = 0 then "val" else "fun") 
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:: deresolve name 
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:: replicate n "_" 
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@ "=" 
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:: "raise" 
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:: "Fail" 
33992  249 
@@ (ML_Syntax.print_string o Long_Name.base_name o Long_Name.qualifier) name 
250 
)) 

251 
 print_stmt (ML_Val binding) = 

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let 
33992  253 
val (sig_p, p) = print_def (K false) true "val" binding 
254 
in pair 

255 
[sig_p] 

256 
(semicolon [p]) 

257 
end 

258 
 print_stmt (ML_Funs (binding :: bindings, pseudo_funs)) = 

259 
let 

260 
val print_def' = print_def (member (op =) pseudo_funs) false; 

261 
fun print_pseudo_fun name = concat [ 

29189  262 
str "val", 
263 
(str o deresolve) name, 

264 
str "=", 

265 
(str o deresolve) name, 

266 
str "();" 

267 
]; 

33992  268 
val (sig_ps, (ps, p)) = (apsnd split_last o split_list) 
269 
(print_def' "fun" binding :: map (print_def' "and") bindings); 

270 
val pseudo_ps = map print_pseudo_fun pseudo_funs; 

271 
in pair 

272 
sig_ps 

273 
(Pretty.chunks (ps @ semicolon [p] :: pseudo_ps)) 

274 
end 

275 
 print_stmt (ML_Datas [(tyco, (vs, []))]) = 

276 
let 

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val ty_p = print_tyco_expr (tyco, map ITyVar vs); 
33992  278 
in 
279 
pair 

280 
[concat [str "type", ty_p]] 

281 
(concat [str "datatype", ty_p, str "=", str "EMPTY__"]) 

282 
end 

283 
 print_stmt (ML_Datas (data :: datas)) = 

28054  284 
let 
33992  285 
val sig_ps = print_datatype_decl "datatype" data 
286 
:: map (print_datatype_decl "and") datas; 

287 
val (ps, p) = split_last sig_ps; 

288 
in pair 

289 
sig_ps 

290 
(Pretty.chunks (ps @ semicolon [p])) 

291 
end 

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292 
 print_stmt (ML_Class (class, (v, (super_classes, classparams)))) = 
28054  293 
let 
33992  294 
fun print_field s p = concat [str s, str ":", p]; 
295 
fun print_proj s p = semicolon 

296 
(map str ["val", s, "=", "#" ^ s, ":"] @ p); 

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fun print_super_class_decl (super_class, classrel) = 
33992  298 
print_val_decl print_dicttypscheme 
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(classrel, ([(v, [class])], (super_class, ITyVar v))); 
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fun print_super_class_field (super_class, classrel) = 
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print_field (deresolve classrel) (print_dicttyp (super_class, ITyVar v)); 
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fun print_super_class_proj (super_class, classrel) = 
33992  303 
print_proj (deresolve classrel) 
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304 
(print_dicttypscheme ([(v, [class])], (super_class, ITyVar v))); 
33992  305 
fun print_classparam_decl (classparam, ty) = 
306 
print_val_decl print_typscheme 

307 
(classparam, ([(v, [class])], ty)); 

308 
fun print_classparam_field (classparam, ty) = 

309 
print_field (deresolve classparam) (print_typ NOBR ty); 

310 
fun print_classparam_proj (classparam, ty) = 

311 
print_proj (deresolve classparam) 

312 
(print_typscheme ([(v, [class])], ty)); 

313 
in pair 

314 
(concat [str "type", print_dicttyp (class, ITyVar v)] 

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315 
:: map print_super_class_decl super_classes 
33992  316 
@ map print_classparam_decl classparams) 
317 
(Pretty.chunks ( 

28054  318 
concat [ 
319 
str ("type '" ^ v), 

320 
(str o deresolve) class, 

321 
str "=", 

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enum "," "{" "};" ( 
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323 
map print_super_class_field super_classes 
33992  324 
@ map print_classparam_field classparams 
28054  325 
) 
326 
] 

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327 
:: map print_super_class_proj super_classes 
33992  328 
@ map print_classparam_proj classparams 
329 
)) 

28054  330 
end; 
33992  331 
in print_stmt end; 
28054  332 

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fun print_sml_module name some_decls body = 
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334 
Pretty.chunks2 ( 
33992  335 
Pretty.chunks ( 
336 
str ("structure " ^ name ^ (if is_some some_decls then " : sig" else " =")) 

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337 
:: (the_list o Option.map (indent 2 o Pretty.chunks)) some_decls 
33992  338 
@ (if is_some some_decls then str "end = struct" else str "struct") 
339 
) 

340 
:: body 

341 
@ str ("end; (*struct " ^ name ^ "*)") 

28054  342 
); 
343 

28064  344 
val literals_sml = Literals { 
345 
literal_char = prefix "#" o quote o ML_Syntax.print_char, 

346 
literal_string = quote o translate_string ML_Syntax.print_char, 

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literal_numeral = fn k => "(" ^ string_of_int k ^ " : IntInf.int)", 
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literal_positive_numeral = fn k => "(" ^ string_of_int k ^ " : IntInf.int)", 
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literal_alternative_numeral = fn k => "(" ^ string_of_int k ^ " : IntInf.int)", 
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literal_naive_numeral = string_of_int, 
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351 
literal_list = enum "," "[" "]", 
28064  352 
infix_cons = (7, "::") 
353 
}; 

354 

28054  355 

356 
(** OCaml serializer **) 

357 

47576  358 
fun print_ocaml_stmt tyco_syntax const_syntax reserved is_cons deresolve = 
28054  359 
let 
47609  360 
fun print_tyco_expr (tyco, []) = (str o deresolve) tyco 
361 
 print_tyco_expr (tyco, [ty]) = 

33992  362 
concat [print_typ BR ty, (str o deresolve) tyco] 
47609  363 
 print_tyco_expr (tyco, tys) = 
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364 
concat [enum "," "(" ")" (map (print_typ BR) tys), (str o deresolve) tyco] 
38923  365 
and print_typ fxy (tyco `%% tys) = (case tyco_syntax tyco 
47609  366 
of NONE => print_tyco_expr (tyco, tys) 
47576  367 
 SOME (_, print) => print print_typ fxy tys) 
33992  368 
 print_typ fxy (ITyVar v) = str ("'" ^ v); 
47609  369 
fun print_dicttyp (class, ty) = print_tyco_expr (class, [ty]); 
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fun print_typscheme_prefix (vs, p) = enum " >" "" "" 
33992  371 
(map_filter (fn (v, sort) => 
372 
(print_product (fn class => print_dicttyp (class, ITyVar v)) sort)) vs @ p); 

373 
fun print_typscheme (vs, ty) = print_typscheme_prefix (vs, print_typ NOBR ty); 

374 
fun print_dicttypscheme (vs, class_ty) = print_typscheme_prefix (vs, print_dicttyp class_ty); 

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375 
val print_classrels = 
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376 
fold_rev (fn classrel => fn p => Pretty.block [p, str ".", (str o deresolve) classrel]) 
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377 
fun print_dict is_pseudo_fun fxy (Dict (classrels, x)) = 
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378 
print_plain_dict is_pseudo_fun fxy x 
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379 
> print_classrels classrels 
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380 
and print_plain_dict is_pseudo_fun fxy (Dict_Const (inst, dss)) = 
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381 
brackify BR ((str o deresolve) inst :: 
33992  382 
(if is_pseudo_fun inst then [str "()"] 
383 
else map_filter (print_dicts is_pseudo_fun BR) dss)) 

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384 
 print_plain_dict is_pseudo_fun fxy (Dict_Var (v, (i, k))) = 
33992  385 
str (if k = 1 then "_" ^ first_upper v 
386 
else "_" ^ first_upper v ^ string_of_int (i+1)) 

38922  387 
and print_dicts is_pseudo_fun = tuplify (print_dict is_pseudo_fun); 
33992  388 
val print_dict_args = map_filter (fn (v, sort) => print_dicts (K false) BR 
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389 
(map_index (fn (i, _) => Dict ([], Dict_Var (v, (i, length sort)))) sort)); 
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390 
fun print_term is_pseudo_fun some_thm vars fxy (IConst const) = 
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391 
print_app is_pseudo_fun some_thm vars fxy (const, []) 
35228  392 
 print_term is_pseudo_fun some_thm vars fxy (IVar NONE) = 
31889  393 
str "_" 
35228  394 
 print_term is_pseudo_fun some_thm vars fxy (IVar (SOME v)) = 
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395 
str (lookup_var vars v) 
35228  396 
 print_term is_pseudo_fun some_thm vars fxy (t as t1 `$ t2) = 
28054  397 
(case Code_Thingol.unfold_const_app t 
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398 
of SOME app => print_app is_pseudo_fun some_thm vars fxy app 
35228  399 
 NONE => brackify fxy [print_term is_pseudo_fun some_thm vars NOBR t1, 
400 
print_term is_pseudo_fun some_thm vars BR t2]) 

401 
 print_term is_pseudo_fun some_thm vars fxy (t as _ `=> _) = 

28054  402 
let 
31874  403 
val (binds, t') = Code_Thingol.unfold_pat_abs t; 
35228  404 
val (ps, vars') = fold_map (print_bind is_pseudo_fun some_thm BR o fst) binds vars; 
405 
in brackets (str "fun" :: ps @ str ">" @@ print_term is_pseudo_fun some_thm vars' NOBR t') end 

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406 
 print_term is_pseudo_fun some_thm vars fxy (ICase case_expr) = 
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407 
(case Code_Thingol.unfold_const_app (#primitive case_expr) 
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408 
of SOME (app as ({ name = c, ... }, _)) => if is_none (const_syntax c) 
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409 
then print_case is_pseudo_fun some_thm vars fxy case_expr 
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410 
else print_app is_pseudo_fun some_thm vars fxy app 
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411 
 NONE => print_case is_pseudo_fun some_thm vars fxy case_expr) 
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412 
and print_app_expr is_pseudo_fun some_thm vars (app as ({ name = c, dicts = dss, dom = dom, ... }, ts)) = 
28054  413 
if is_cons c then 
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414 
let val k = length dom in 
33992  415 
if length ts = k 
416 
then (str o deresolve) c 

38922  417 
:: the_list (tuplify (print_term is_pseudo_fun some_thm vars) BR ts) 
35228  418 
else [print_term is_pseudo_fun some_thm vars BR (Code_Thingol.eta_expand k app)] 
33992  419 
end 
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420 
else if is_pseudo_fun c 
29175  421 
then (str o deresolve) c @@ str "()" 
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422 
else (str o deresolve) c :: map_filter (print_dicts is_pseudo_fun BR) dss 
35228  423 
@ map (print_term is_pseudo_fun some_thm vars BR) ts 
424 
and print_app is_pseudo_fun some_thm vars = gen_print_app (print_app_expr is_pseudo_fun) 

38923  425 
(print_term is_pseudo_fun) const_syntax some_thm vars 
33992  426 
and print_bind is_pseudo_fun = gen_print_bind (print_term is_pseudo_fun) 
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427 
and print_case is_pseudo_fun some_thm vars fxy { clauses = [], ... } = 
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428 
(concat o map str) ["failwith", "\"empty case\""] 
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429 
 print_case is_pseudo_fun some_thm vars fxy (case_expr as { clauses = [_], ... }) = 
28054  430 
let 
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431 
val (binds, body) = Code_Thingol.unfold_let (ICase case_expr); 
47576  432 
fun print_let ((pat, _), t) vars = 
28054  433 
vars 
35228  434 
> print_bind is_pseudo_fun some_thm NOBR pat 
28054  435 
>> (fn p => concat 
35228  436 
[str "let", p, str "=", print_term is_pseudo_fun some_thm vars NOBR t, str "in"]) 
33992  437 
val (ps, vars') = fold_map print_let binds vars; 
31665  438 
in 
439 
brackify_block fxy (Pretty.chunks ps) [] 

35228  440 
(print_term is_pseudo_fun some_thm vars' NOBR body) 
31665  441 
end 
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442 
 print_case is_pseudo_fun some_thm vars fxy { term = t, typ = ty, clauses = clause :: clauses, ... } = 
28054  443 
let 
33992  444 
fun print_select delim (pat, body) = 
28054  445 
let 
35228  446 
val (p, vars') = print_bind is_pseudo_fun some_thm NOBR pat vars; 
447 
in concat [str delim, p, str ">", print_term is_pseudo_fun some_thm vars' NOBR body] end; 

28054  448 
in 
31665  449 
brackets ( 
28054  450 
str "match" 
35228  451 
:: print_term is_pseudo_fun some_thm vars NOBR t 
33992  452 
:: print_select "with" clause 
453 
:: map (print_select "") clauses 

28054  454 
) 
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455 
end; 
33992  456 
fun print_val_decl print_typscheme (name, typscheme) = concat 
457 
[str "val", str (deresolve name), str ":", print_typscheme typscheme]; 

458 
fun print_datatype_decl definer (tyco, (vs, cos)) = 

459 
let 

37449  460 
fun print_co ((co, _), []) = str (deresolve co) 
461 
 print_co ((co, _), tys) = concat [str (deresolve co), str "of", 

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462 
enum " *" "" "" (map (print_typ (INFX (2, X))) tys)]; 
33992  463 
in 
464 
concat ( 

465 
str definer 

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466 
:: print_tyco_expr (tyco, map ITyVar vs) 
33992  467 
:: str "=" 
468 
:: separate (str "") (map print_co cos) 

469 
) 

470 
end; 

471 
fun print_def is_pseudo_fun needs_typ definer 

472 
(ML_Function (name, (vs_ty as (vs, ty), eqs))) = 

28054  473 
let 
35228  474 
fun print_eqn ((ts, t), (some_thm, _)) = 
28054  475 
let 
32913  476 
val consts = fold Code_Thingol.add_constnames (t :: ts) []; 
32924
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477 
val vars = reserved 
42599
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478 
> intro_base_names 
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479 
(is_none o const_syntax) deresolve consts 
32924
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480 
> intro_vars ((fold o Code_Thingol.fold_varnames) 
28054  481 
(insert (op =)) ts []); 
482 
in concat [ 

38778  483 
(Pretty.block o commas) 
35228  484 
(map (print_term is_pseudo_fun some_thm vars NOBR) ts), 
28054  485 
str ">", 
35228  486 
print_term is_pseudo_fun some_thm vars NOBR t 
28054  487 
] end; 
35228  488 
fun print_eqns is_pseudo [((ts, t), (some_thm, _))] = 
28054  489 
let 
32913  490 
val consts = fold Code_Thingol.add_constnames (t :: ts) []; 
32924
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491 
val vars = reserved 
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492 
> intro_base_names 
38923  493 
(is_none o const_syntax) deresolve consts 
32924
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494 
> intro_vars ((fold o Code_Thingol.fold_varnames) 
28054  495 
(insert (op =)) ts []); 
496 
in 

497 
concat ( 

29189  498 
(if is_pseudo then [str "()"] 
35228  499 
else map (print_term is_pseudo_fun some_thm vars BR) ts) 
28054  500 
@ str "=" 
35228  501 
@@ print_term is_pseudo_fun some_thm vars NOBR t 
28054  502 
) 
503 
end 

33992  504 
 print_eqns _ ((eq as (([_], _), _)) :: eqs) = 
28054  505 
Pretty.block ( 
506 
str "=" 

507 
:: Pretty.brk 1 

508 
:: str "function" 

509 
:: Pretty.brk 1 

33992  510 
:: print_eqn eq 
28054  511 
:: maps (append [Pretty.fbrk, str "", Pretty.brk 1] 
33992  512 
o single o print_eqn) eqs 
28054  513 
) 
33992  514 
 print_eqns _ (eqs as eq :: eqs') = 
28054  515 
let 
32913  516 
val consts = fold Code_Thingol.add_constnames (map (snd o fst) eqs) []; 
32924
d2e9b2dab760
dropped Code_Printer prefix where feasible; fixed whitespace issues; more coherent terminology
haftmann
parents:
32913
diff
changeset

517 
val vars = reserved 
d2e9b2dab760
dropped Code_Printer prefix where feasible; fixed whitespace issues; more coherent terminology
haftmann
parents:
32913
diff
changeset

518 
> intro_base_names 
38923  519 
(is_none o const_syntax) deresolve consts; 
32924
d2e9b2dab760
dropped Code_Printer prefix where feasible; fixed whitespace issues; more coherent terminology
haftmann
parents:
32913
diff
changeset

520 
val dummy_parms = (map str o aux_params vars o map (fst o fst)) eqs; 
28054  521 
in 
522 
Pretty.block ( 

523 
Pretty.breaks dummy_parms 

524 
@ Pretty.brk 1 

525 
:: str "=" 

526 
:: Pretty.brk 1 

527 
:: str "match" 

528 
:: Pretty.brk 1 

38778  529 
:: (Pretty.block o commas) dummy_parms 
28054  530 
:: Pretty.brk 1 
531 
:: str "with" 

532 
:: Pretty.brk 1 

33992  533 
:: print_eqn eq 
28054  534 
:: maps (append [Pretty.fbrk, str "", Pretty.brk 1] 
33992  535 
o single o print_eqn) eqs' 
28054  536 
) 
537 
end; 

33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

538 
val prolog = if needs_typ then 
33992  539 
concat [str definer, (str o deresolve) name, str ":", print_typ NOBR ty] 
34178
a78b8d5b91cb
take care for destructive print mode properly using dedicated pretty builders
haftmann
parents:
34071
diff
changeset

540 
else (concat o map str) [definer, deresolve name]; 
33992  541 
in pair 
542 
(print_val_decl print_typscheme (name, vs_ty)) 

543 
(concat ( 

33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

544 
prolog 
33992  545 
:: print_dict_args vs 
546 
@ print_eqns (is_pseudo_fun name) eqs 

547 
)) 

33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

548 
end 
37384
5aba26803073
more consistent naming aroud type classes and instances
haftmann
parents:
37242
diff
changeset

549 
 print_def is_pseudo_fun _ definer 
48072
ace701efe203
prefer records with speaking labels over deeply nested tuples
haftmann
parents:
48003
diff
changeset

550 
(ML_Instance (inst, { class, tyco, vs, superinsts, inst_params, ... })) = 
33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

551 
let 
41100
6c0940392fb4
dictionary constants must permit explicit weakening of classes;
haftmann
parents:
40627
diff
changeset

552 
fun print_super_instance (_, (classrel, x)) = 
33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

553 
concat [ 
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

554 
(str o deresolve) classrel, 
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

555 
str "=", 
41118
b290841cd3b0
separated dictionary weakning into separate type
haftmann
parents:
41100
diff
changeset

556 
print_dict is_pseudo_fun NOBR (Dict ([], Dict_Const x)) 
33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

557 
]; 
37384
5aba26803073
more consistent naming aroud type classes and instances
haftmann
parents:
37242
diff
changeset

558 
fun print_classparam_instance ((classparam, const), (thm, _)) = 
33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

559 
concat [ 
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

560 
(str o deresolve) classparam, 
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

561 
str "=", 
37384
5aba26803073
more consistent naming aroud type classes and instances
haftmann
parents:
37242
diff
changeset

562 
print_app (K false) (SOME thm) reserved NOBR (const, []) 
33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

563 
]; 
33992  564 
in pair 
565 
(print_val_decl print_dicttypscheme 

566 
(inst, (vs, (class, tyco `%% map (ITyVar o fst) vs)))) 

567 
(concat ( 

33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

568 
str definer 
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

569 
:: (str o deresolve) inst 
43343
e83695ea0e0a
resolving an issue with class instances that are pseudo functions in the OCaml code serializer
bulwahn
parents:
42599
diff
changeset

570 
:: (if is_pseudo_fun inst then [str "()"] 
e83695ea0e0a
resolving an issue with class instances that are pseudo functions in the OCaml code serializer
bulwahn
parents:
42599
diff
changeset

571 
else print_dict_args vs) 
33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

572 
@ str "=" 
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

573 
@@ brackets [ 
48072
ace701efe203
prefer records with speaking labels over deeply nested tuples
haftmann
parents:
48003
diff
changeset

574 
enum_default "()" ";" "{" "}" (map print_super_instance superinsts 
ace701efe203
prefer records with speaking labels over deeply nested tuples
haftmann
parents:
48003
diff
changeset

575 
@ map print_classparam_instance inst_params), 
33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

576 
str ":", 
47609  577 
print_tyco_expr (class, [tyco `%% map (ITyVar o fst) vs]) 
33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

578 
] 
33992  579 
)) 
33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

580 
end; 
33992  581 
fun print_stmt (ML_Exc (name, (vs_ty, n))) = pair 
582 
[print_val_decl print_typscheme (name, vs_ty)] 

583 
((doublesemicolon o map str) ( 

33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

584 
"let" 
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

585 
:: deresolve name 
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

586 
:: replicate n "_" 
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

587 
@ "=" 
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

588 
:: "failwith" 
33992  589 
@@ (ML_Syntax.print_string o Long_Name.base_name o Long_Name.qualifier) name 
590 
)) 

591 
 print_stmt (ML_Val binding) = 

33636
a9bb3f063773
accomplish mutual recursion between fun and inst
haftmann
parents:
33519
diff
changeset

592 
let 
33992  593 
val (sig_p, p) = print_def (K false) true "let" binding 
594 
in pair 

595 
[sig_p] 

596 
(doublesemicolon [p]) 

597 
end 

598 
 print_stmt (ML_Funs (binding :: bindings, pseudo_funs)) = 

599 
let 

600 
val print_def' = print_def (member (op =) pseudo_funs) false; 

601 
fun print_pseudo_fun name = concat [ 

29189  602 
str "let", 
603 
(str o deresolve) name, 

604 
str "=", 

605 
(str o deresolve) name, 

606 
str "();;" 

607 
]; 

33992  608 
val (sig_ps, (ps, p)) = (apsnd split_last o split_list) 
609 
(print_def' "let rec" binding :: map (print_def' "and") bindings); 

610 
val pseudo_ps = map print_pseudo_fun pseudo_funs; 

611 
in pair 

612 
sig_ps 

613 
(Pretty.chunks (ps @ doublesemicolon [p] :: pseudo_ps)) 

614 
end 

615 
 print_stmt (ML_Datas [(tyco, (vs, []))]) = 

616 
let 

48003
1d11af40b106
dropped sort constraints on datatype specifications
haftmann
parents:
47609
diff
changeset

617 
val ty_p = print_tyco_expr (tyco, map ITyVar vs); 
33992  618 
in 
619 
pair 

620 
[concat [str "type", ty_p]] 

621 
(concat [str "type", ty_p, str "=", str "EMPTY__"]) 

622 
end 

623 
 print_stmt (ML_Datas (data :: datas)) = 

28054  624 
let 
33992  625 
val sig_ps = print_datatype_decl "type" data 
626 
:: map (print_datatype_decl "and") datas; 

627 
val (ps, p) = split_last sig_ps; 

628 
in pair 

629 
sig_ps 

630 
(Pretty.chunks (ps @ doublesemicolon [p])) 

631 
end 

37447
ad3e04f289b6
transitive superclasses were also only a misunderstanding
haftmann
parents:
37446
diff
changeset

632 
 print_stmt (ML_Class (class, (v, (super_classes, classparams)))) = 
28054  633 
let 
33992  634 
fun print_field s p = concat [str s, str ":", p]; 
37384
5aba26803073
more consistent naming aroud type classes and instances
haftmann
parents:
37242
diff
changeset

635 
fun print_super_class_field (super_class, classrel) = 
5aba26803073
more consistent naming aroud type classes and instances
haftmann
parents:
37242
diff
changeset

636 
print_field (deresolve classrel) (print_dicttyp (super_class, ITyVar v)); 
33992  637 
fun print_classparam_decl (classparam, ty) = 
638 
print_val_decl print_typscheme 

639 
(classparam, ([(v, [class])], ty)); 

640 
fun print_classparam_field (classparam, ty) = 

641 
print_field (deresolve classparam) (print_typ NOBR ty); 

32924
d2e9b2dab760
dropped Code_Printer prefix where feasible; fixed whitespace issues; more coherent terminology
haftmann
parents:
32913
diff
changeset

642 
val w = "_" ^ first_upper v; 
33992  643 
fun print_classparam_proj (classparam, _) = 
644 
(concat o map str) ["let", deresolve classparam, w, "=", 

645 
w ^ "." ^ deresolve classparam ^ ";;"]; 

646 
val type_decl_p = concat [ 

647 
str ("type '" ^ v), 

648 
(str o deresolve) class, 

28054  649 
str "=", 
33992  650 
enum_default "unit" ";" "{" "}" ( 
37384
5aba26803073
more consistent naming aroud type classes and instances
haftmann
parents:
37242
diff
changeset

651 
map print_super_class_field super_classes 
33992  652 
@ map print_classparam_field classparams 
653 
) 

28054  654 
]; 
33992  655 
in pair 
656 
(type_decl_p :: map print_classparam_decl classparams) 

657 
(Pretty.chunks ( 

658 
doublesemicolon [type_decl_p] 

659 
:: map print_classparam_proj classparams 

660 
)) 

661 
end; 

662 
in print_stmt end; 

28054  663 

38933
bd77e092f67c
avoid strange special treatment of empty module names
haftmann
parents:
38928
diff
changeset

664 
fun print_ocaml_module name some_decls body = 
bd77e092f67c
avoid strange special treatment of empty module names
haftmann
parents:
38928
diff
changeset

665 
Pretty.chunks2 ( 
33992  666 
Pretty.chunks ( 
667 
str ("module " ^ name ^ (if is_some some_decls then " : sig" else " =")) 

34178
a78b8d5b91cb
take care for destructive print mode properly using dedicated pretty builders
haftmann
parents:
34071
diff
changeset

668 
:: (the_list o Option.map (indent 2 o Pretty.chunks)) some_decls 
33992  669 
@ (if is_some some_decls then str "end = struct" else str "struct") 
670 
) 

671 
:: body 

672 
@ str ("end;; (*struct " ^ name ^ "*)") 

28054  673 
); 
674 

28064  675 
val literals_ocaml = let 
676 
fun chr i = 

677 
let 

678 
val xs = string_of_int i; 

40627
becf5d5187cc
renamed raw "explode" function to "raw_explode" to emphasize its meaning;
wenzelm
parents:
39148
diff
changeset

679 
val ys = replicate_string (3  length (raw_explode xs)) "0"; 
28064  680 
in "\\" ^ ys ^ xs end; 
681 
fun char_ocaml c = 

682 
let 

683 
val i = ord c; 

684 
val s = if i < 32 orelse i = 34 orelse i = 39 orelse i = 92 orelse i > 126 

685 
then chr i else c 

686 
in s end; 

34944
970e1466028d
code literals: distinguish numeral classes by different entries
haftmann
parents:
34246
diff
changeset

687 
fun numeral_ocaml k = if k < 0 
970e1466028d
code literals: distinguish numeral classes by different entries
haftmann
parents:
34246
diff
changeset

688 
then "(Big_int.minus_big_int " ^ numeral_ocaml (~ k) ^ ")" 
970e1466028d
code literals: distinguish numeral classes by different entries
haftmann
parents:
34246
diff
changeset

689 
else if k <= 1073741823 
970e1466028d
code literals: distinguish numeral classes by different entries
haftmann
parents:
34246
diff
changeset

690 
then "(Big_int.big_int_of_int " ^ string_of_int k ^ ")" 
970e1466028d
code literals: distinguish numeral classes by different entries
haftmann
parents:
34246
diff
changeset

691 
else "(Big_int.big_int_of_string " ^ quote (string_of_int k) ^ ")" 
28064  692 
in Literals { 
34178
a78b8d5b91cb
take care for destructive print mode properly using dedicated pretty builders
haftmann
parents:
34071
diff
changeset

693 
literal_char = Library.enclose "'" "'" o char_ocaml, 
28064  694 
literal_string = quote o translate_string char_ocaml, 
34944
970e1466028d
code literals: distinguish numeral classes by different entries
haftmann
parents:
34246
diff
changeset

695 
literal_numeral = numeral_ocaml, 
970e1466028d
code literals: distinguish numeral classes by different entries
haftmann
parents:
34246
diff
changeset

696 
literal_positive_numeral = numeral_ocaml, 
37958
9728342bcd56
another refinement chapter in the neverending numeral story
haftmann
parents:
37822
diff
changeset

697 
literal_alternative_numeral = numeral_ocaml, 
34944
970e1466028d
code literals: distinguish numeral classes by different entries
haftmann
parents:
34246
diff
changeset

698 
literal_naive_numeral = numeral_ocaml, 
34178
a78b8d5b91cb
take care for destructive print mode properly using dedicated pretty builders
haftmann
parents:
34071
diff
changeset

699 
literal_list = enum ";" "[" "]", 
28064  700 
infix_cons = (6, "::") 
701 
} end; 

702 

703 

28054  704 

705 
(** SML/OCaml generic part **) 

706 

39028
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

707 
fun ml_program_of_program labelled_name reserved module_alias program = 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

708 
let 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

709 
fun namify_const upper base (nsp_const, nsp_type) = 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

710 
let 
43326
47cf4bc789aa
simplified Name.variant  discontinued builtin fold_map;
wenzelm
parents:
42599
diff
changeset

711 
val (base', nsp_const') = 
47cf4bc789aa
simplified Name.variant  discontinued builtin fold_map;
wenzelm
parents:
42599
diff
changeset

712 
Name.variant (if upper then first_upper base else base) nsp_const 
39028
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

713 
in (base', (nsp_const', nsp_type)) end; 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

714 
fun namify_type base (nsp_const, nsp_type) = 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

715 
let 
43326
47cf4bc789aa
simplified Name.variant  discontinued builtin fold_map;
wenzelm
parents:
42599
diff
changeset

716 
val (base', nsp_type') = Name.variant base nsp_type 
39028
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

717 
in (base', (nsp_const, nsp_type')) end; 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

718 
fun namify_stmt (Code_Thingol.Fun _) = namify_const false 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

719 
 namify_stmt (Code_Thingol.Datatype _) = namify_type 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

720 
 namify_stmt (Code_Thingol.Datatypecons _) = namify_const true 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

721 
 namify_stmt (Code_Thingol.Class _) = namify_type 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

722 
 namify_stmt (Code_Thingol.Classrel _) = namify_const false 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

723 
 namify_stmt (Code_Thingol.Classparam _) = namify_const false 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

724 
 namify_stmt (Code_Thingol.Classinst _) = namify_const false; 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

725 
fun ml_binding_of_stmt (name, Code_Thingol.Fun (_, ((tysm as (vs, ty), raw_eqs), _))) = 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

726 
let 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

727 
val eqs = filter (snd o snd) raw_eqs; 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

728 
val (eqs', some_value_name) = if null (filter_out (null o snd) vs) then case eqs 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

729 
of [(([], t), some_thm)] => if (not o null o fst o Code_Thingol.unfold_fun) ty 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

730 
then ([(([IVar (SOME "x")], t `$ IVar (SOME "x")), some_thm)], NONE) 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

731 
else (eqs, SOME (name, member (op =) (Code_Thingol.add_constnames t []) name)) 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

732 
 _ => (eqs, NONE) 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

733 
else (eqs, NONE) 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

734 
in (ML_Function (name, (tysm, eqs')), some_value_name) end 
48072
ace701efe203
prefer records with speaking labels over deeply nested tuples
haftmann
parents:
48003
diff
changeset

735 
 ml_binding_of_stmt (name, Code_Thingol.Classinst (stmt as { vs, ... })) = 
39028
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

736 
(ML_Instance (name, stmt), if forall (null o snd) vs then SOME (name, false) else NONE) 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

737 
 ml_binding_of_stmt (name, _) = 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

738 
error ("Binding block containing illegal statement: " ^ labelled_name name) 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

739 
fun modify_fun (name, stmt) = 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

740 
let 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

741 
val (binding, some_value_name) = ml_binding_of_stmt (name, stmt); 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

742 
val ml_stmt = case binding 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

743 
of ML_Function (name, ((vs, ty), [])) => 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

744 
ML_Exc (name, ((vs, ty), 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

745 
(length o filter_out (null o snd)) vs + (length o fst o Code_Thingol.unfold_fun) ty)) 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

746 
 _ => case some_value_name 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

747 
of NONE => ML_Funs ([binding], []) 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

748 
 SOME (name, true) => ML_Funs ([binding], [name]) 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

749 
 SOME (name, false) => ML_Val binding 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

750 
in SOME ml_stmt end; 
39031  751 
fun modify_funs stmts = single (SOME 
752 
(ML_Funs (map_split ml_binding_of_stmt stmts > (apsnd o map_filter o Option.map) fst))) 

753 
fun modify_datatypes stmts = single (SOME 

754 
(ML_Datas (map_filter 

755 
(fn (name, Code_Thingol.Datatype (_, stmt)) => SOME (name, stmt)  _ => NONE) stmts))) 

756 
fun modify_class stmts = single (SOME 

757 
(ML_Class (the_single (map_filter 

758 
(fn (name, Code_Thingol.Class (_, stmt)) => SOME (name, stmt)  _ => NONE) stmts)))) 

47576  759 
fun modify_stmts ([stmt as (_, stmt' as Code_Thingol.Fun _)]) = 
39059
3a11a667af75
restored and added surpression of case combinators
haftmann
parents:
39058
diff
changeset

760 
if Code_Thingol.is_case stmt' then [] else [modify_fun stmt] 
39028
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

761 
 modify_stmts ((stmts as (_, Code_Thingol.Fun _)::_)) = 
39061  762 
modify_funs (filter_out (Code_Thingol.is_case o snd) stmts) 
39028
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

763 
 modify_stmts ((stmts as (_, Code_Thingol.Datatypecons _)::_)) = 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

764 
modify_datatypes stmts 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

765 
 modify_stmts ((stmts as (_, Code_Thingol.Datatype _)::_)) = 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

766 
modify_datatypes stmts 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

767 
 modify_stmts ((stmts as (_, Code_Thingol.Class _)::_)) = 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

768 
modify_class stmts 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

769 
 modify_stmts ((stmts as (_, Code_Thingol.Classrel _)::_)) = 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

770 
modify_class stmts 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

771 
 modify_stmts ((stmts as (_, Code_Thingol.Classparam _)::_)) = 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

772 
modify_class stmts 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

773 
 modify_stmts ([stmt as (_, Code_Thingol.Classinst _)]) = 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

774 
[modify_fun stmt] 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

775 
 modify_stmts ((stmts as (_, Code_Thingol.Classinst _)::_)) = 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

776 
modify_funs stmts 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

777 
 modify_stmts stmts = error ("Illegal mutual dependencies: " ^ 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

778 
(Library.commas o map (labelled_name o fst)) stmts); 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

779 
in 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

780 
Code_Namespace.hierarchical_program labelled_name { module_alias = module_alias, reserved = reserved, 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

781 
empty_nsp = (reserved, reserved), namify_module = pair, namify_stmt = namify_stmt, 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

782 
cyclic_modules = false, empty_data = (), memorize_data = K I, modify_stmts = modify_stmts } program 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

783 
end; 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

784 

47576  785 
fun serialize_ml print_ml_module print_ml_stmt with_signatures 
39142  786 
{ labelled_name, reserved_syms, includes, module_alias, 
41343  787 
class_syntax, tyco_syntax, const_syntax } program = 
28054  788 
let 
39147  789 

790 
(* build program *) 

39028
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

791 
val { deresolver, hierarchical_program = ml_program } = 
0dd6c5a0beef
use code_namespace module for SML and OCaml code
haftmann
parents:
38966
diff
changeset

792 
ml_program_of_program labelled_name (Name.make_context reserved_syms) module_alias program; 
39147  793 

794 
(* print statements *) 

795 
fun print_stmt prefix_fragments (_, stmt) = print_ml_stmt 

47576  796 
tyco_syntax const_syntax (make_vars reserved_syms) 
39147  797 
(Code_Thingol.is_cons program) (deresolver prefix_fragments) stmt 
798 
> apfst SOME; 

799 

800 
(* print modules *) 

47576  801 
fun print_module _ base _ xs = 
39147  802 
let 
803 
val (raw_decls, body) = split_list xs; 

804 
val decls = if with_signatures then SOME (maps these raw_decls) else NONE 

805 
in (NONE, print_ml_module base decls body) end; 

806 

807 
(* serialization *) 

808 
val p = Pretty.chunks2 (map snd includes 

809 
@ map snd (Code_Namespace.print_hierarchical { 

810 
print_module = print_module, print_stmt = print_stmt, 

811 
lift_markup = apsnd } ml_program)); 

39056  812 
fun write width NONE = writeln o format [] width 
813 
 write width (SOME p) = File.write p o format [] width; 

48568  814 
fun prepare names width p = ([("", format names width p)], try (deresolver [])); 
28054  815 
in 
48568  816 
Code_Target.serialization write prepare p 
28054  817 
end; 
818 

38966  819 
val serializer_sml : Code_Target.serializer = 
33992  820 
Code_Target.parse_args (Scan.optional (Args.$$$ "no_signatures" >> K false) true 
47576  821 
>> (fn with_signatures => serialize_ml print_sml_module print_sml_stmt with_signatures)); 
28054  822 

38966  823 
val serializer_ocaml : Code_Target.serializer = 
33992  824 
Code_Target.parse_args (Scan.optional (Args.$$$ "no_signatures" >> K false) true 
47576  825 
>> (fn with_signatures => serialize_ml print_ocaml_module print_ocaml_stmt with_signatures)); 
28054  826 

38966  827 

828 
(** Isar setup **) 

829 

28054  830 
val setup = 
37821  831 
Code_Target.add_target 
38966  832 
(target_SML, { serializer = serializer_sml, literals = literals_sml, 
41940  833 
check = { env_var = "ISABELLE_PROCESS", 
834 
make_destination = fn p => Path.append p (Path.explode "ROOT.ML"), 

50022
286dfcab9833
restored SML code check which got unintentionally broken: must explicitly check for error during compilation;
haftmann
parents:
48568
diff
changeset

835 
make_command = fn _ => 
50113  836 
"\"$ISABELLE_PROCESS\" r q e 'datatype ref = datatype Unsynchronized.ref; use \"ROOT.ML\" handle _ => exit 0' Pure" } }) 
37821  837 
#> Code_Target.add_target 
38966  838 
(target_OCaml, { serializer = serializer_ocaml, literals = literals_ocaml, 
41952
c7297638599b
cleanup of former settings GHC_PATH, EXEC_GHC, EXEC_OCAML, EXEC_SWIPL, EXEC_YAP  discontinued implicit detection;
wenzelm
parents:
41940
diff
changeset

839 
check = { env_var = "ISABELLE_OCAML", 
41940  840 
make_destination = fn p => Path.append p (Path.explode "ROOT.ocaml"), 
41952
c7297638599b
cleanup of former settings GHC_PATH, EXEC_GHC, EXEC_OCAML, EXEC_SWIPL, EXEC_YAP  discontinued implicit detection;
wenzelm
parents:
41940
diff
changeset

841 
make_command = fn _ => "\"$ISABELLE_OCAML\" w pu nums.cma ROOT.ocaml" } }) 
38923  842 
#> Code_Target.add_tyco_syntax target_SML "fun" (SOME (2, fn print_typ => fn fxy => fn [ty1, ty2] => 
37242
97097e589715
brackify_infix etc.: no break before infix operator  eases survival in Scala
haftmann
parents:
36536
diff
changeset

843 
brackify_infix (1, R) fxy ( 
33992  844 
print_typ (INFX (1, X)) ty1, 
28054  845 
str ">", 
33992  846 
print_typ (INFX (1, R)) ty2 
37242
97097e589715
brackify_infix etc.: no break before infix operator  eases survival in Scala
haftmann
parents:
36536
diff
changeset

847 
))) 
38923  848 
#> Code_Target.add_tyco_syntax target_OCaml "fun" (SOME (2, fn print_typ => fn fxy => fn [ty1, ty2] => 
37242
97097e589715
brackify_infix etc.: no break before infix operator  eases survival in Scala
haftmann
parents:
36536
diff
changeset

849 
brackify_infix (1, R) fxy ( 
33992  850 
print_typ (INFX (1, X)) ty1, 
28054  851 
str ">", 
33992  852 
print_typ (INFX (1, R)) ty2 
37242
97097e589715
brackify_infix etc.: no break before infix operator  eases survival in Scala
haftmann
parents:
36536
diff
changeset

853 
))) 
28054  854 
#> fold (Code_Target.add_reserved target_SML) ML_Syntax.reserved_names 
855 
#> fold (Code_Target.add_reserved target_SML) 

38070  856 
["ref" (*rebinding is illegal*), "o" (*dictionary projections use it already*), 
857 
"Fail", "div", "mod" (*standard infixes*), "IntInf"] 

28054  858 
#> fold (Code_Target.add_reserved target_OCaml) [ 
859 
"and", "as", "assert", "begin", "class", 

860 
"constraint", "do", "done", "downto", "else", "end", "exception", 

861 
"external", "false", "for", "fun", "function", "functor", "if", 

862 
"in", "include", "inherit", "initializer", "lazy", "let", "match", "method", 

863 
"module", "mutable", "new", "object", "of", "open", "or", "private", "rec", 

864 
"sig", "struct", "then", "to", "true", "try", "type", "val", 

865 
"virtual", "when", "while", "with" 

866 
] 

34944
970e1466028d
code literals: distinguish numeral classes by different entries
haftmann
parents:
34246
diff
changeset

867 
#> fold (Code_Target.add_reserved target_OCaml) ["failwith", "mod", "Big_int"]; 
28054  868 

869 
end; (*struct*) 