viewcvs.cgi/driver/cduce.ml

open Location
open Ident

exception InvalidInputFilename of string
exception InvalidObjectFilename of string

(* if set to false toplevel exception aren't cought. 
 * Useful for debugging with OCAMLRUNPARAM="b" *)
let catch_exceptions = true

(* retuns a filename without the suffix suff if any *) 
let prefix filename suff =
  if Filename.check_suffix filename suff then
    try
      Filename.chop_extension filename
    with Invalid_argument filename -> failwith "Not a point in the suffix?"
  else filename

let toplevel = ref false
let verbose = ref false

let typing_env = State.ref "Cduce.typing_env" Builtin.env
let compile_env = State.ref "Cduce.compile_env" Compile.empty

let get_global_value cenv v =
  Eval.var (Compile.find v !compile_env)

let get_global_type v =
  Typer.find_value v !typing_env

let enter_global_value x v t =
  typing_env := Typer.enter_value x t !typing_env;
  compile_env := Compile.enter_global !compile_env x; 
  Eval.push v
  
let rec is_abstraction = function
  | Ast.Abstraction _ -> true
  | Ast.LocatedExpr (_,e) -> is_abstraction e
  | _ -> false

let print_norm ppf d = 
  Location.protect ppf 
    (fun ppf -> Types.Print.print ppf ((*Types.normalize*) d))

let print_sample ppf s =
  Location.protect ppf
    (fun ppf -> Sample.print ppf s)

let print_protect ppf s =
  Location.protect ppf (fun ppf -> Format.fprintf ppf "%s" s)

let print_value ppf v =
  Location.protect ppf (fun ppf -> Value.print ppf v)

let dump_value ppf x t v =
  Format.fprintf ppf "@[val %a : @[%a = %a@]@]@."
    U.print (Id.value x) print_norm t print_value v

let dump_env ppf tenv cenv =
  Format.fprintf ppf "Types:%a@." Typer.dump_types tenv;
  Format.fprintf ppf "Namespace prefixes:@\n%a" Typer.dump_ns tenv;
  Format.fprintf ppf "Namespace prefixes used for pretty-printing:@.%t"
    Ns.InternalPrinter.dump;
  Format.fprintf ppf "Schemas: %s@."
    (String.concat " " (List.map U.get_str (Typer.get_schema_names ())));
  Format.fprintf ppf "Values:@.";
  Typer.iter_values tenv
    (fun x t -> dump_value ppf x t (get_global_value cenv x))

let directive_help ppf =
  Format.fprintf ppf
"Toplevel directives:
  #quit;;                 quit the interpreter
  #env;;                  dump current environment
  #reinit_ns;;            reinitialize namespace processing
  #help;;                 shows this help message
  #dump_value <expr>;;    dump an XML-ish representation of the resulting
                          value of a given expression
  #print_schema <name>;;
  #print_type <name>;;
"

let rec print_exn ppf = function
  | Location (loc, w, exn) ->
      Format.fprintf ppf "Error %a:@." Location.print_loc (loc,w);
      Format.fprintf ppf "%a" Location.html_hilight (loc,w); 
      print_exn ppf exn
  | Value.CDuceExn v ->
      Format.fprintf ppf "Uncaught CDuce exception: @[%a@]@."
        print_value v
  | Typer.WrongLabel (t,l) ->
      Format.fprintf ppf "Wrong record selection; field %a " 
        Label.print (LabelPool.value l);
      Format.fprintf ppf "not present in an expression of type:@.%a@."
        print_norm t
  | Typer.ShouldHave (t,msg) ->
      Format.fprintf ppf "This expression should have type:@.%a@.%a@." 
        print_norm t
        print_protect msg
  | Typer.ShouldHave2 (t1,msg,t2) ->
      Format.fprintf ppf "This expression should have type:@.%a@.%a %a@." 
        print_norm t1
        print_protect msg
        print_norm t2
  | Typer.Error s ->
      Format.fprintf ppf "%a@." print_protect s
  | Typer.Constraint (s,t) ->
      Format.fprintf ppf "This expression should have type:@.%a@." 
        print_norm t;
      Format.fprintf ppf "but its inferred type is:@.%a@." 
        print_norm s;
      Format.fprintf ppf "which is not a subtype, as shown by the sample:@.%a@." 
        print_sample (Sample.get (Types.diff s t))
  | Typer.NonExhaustive t ->
      Format.fprintf ppf "This pattern matching is not exhaustive@.";
      Format.fprintf ppf "Residual type:@.%a@."
        print_norm t;
      Format.fprintf ppf "Sample:@.%a@." print_sample (Sample.get t)
  | Typer.UnboundId (x,tn) ->
      Format.fprintf ppf "Unbound identifier %a%s@." U.print (Id.value x)
        (if tn then " (it is a type name)" else "")
  | Ulexer.Error (i,j,s) ->
      let loc = Location.loc_of_pos (i,j), `Full in
      Format.fprintf ppf "Error %a:@." Location.print_loc loc;
      Format.fprintf ppf "%a%s" Location.html_hilight loc s
  | Parser.Error s | Stream.Error s -> 
      Format.fprintf ppf "Parsing error: %a@." print_protect s
  | Librarian.InconsistentCrc id ->
      Format.fprintf ppf "Link error:@.";
      let name = Encodings.Utf8.to_string (Types.CompUnit.value id) in
      Format.fprintf ppf "Inconsistent checksum (compilation unit: %s)@."
        name
  | Librarian.NoImplementation id ->
      Format.fprintf ppf "Link error:@.";
      let name = Encodings.Utf8.to_string (Types.CompUnit.value id) in
      Format.fprintf ppf "No implementation found for compilation unit: %s@."
        name
  | Librarian.Loop id ->
      Format.fprintf ppf "Compilation error:@.";
      let name = Encodings.Utf8.to_string (Types.CompUnit.value id) in
      Format.fprintf ppf "Loop between compilation unit (compilation unit: %s)@."
        name
  | InvalidInputFilename f ->
      Format.fprintf ppf "Compilation error:@.";
      Format.fprintf ppf "Source filename must have extension .cd@.";
  | InvalidObjectFilename f ->
      Format.fprintf ppf "Compilation error:@.";
      Format.fprintf ppf "Object filename must have extension .cdo and no path@.";
  | Librarian.InvalidObject f ->
      Format.fprintf ppf "Invalid object file %s@." f
  | Librarian.CannotOpen f ->
      Format.fprintf ppf "Cannot open file %s@." f
  | Location.Generic s ->
      Format.fprintf ppf "%a@." print_protect s
  | exn ->
(*      raise exn *)
      Format.fprintf ppf "%a@." print_protect (Printexc.to_string exn)


let eval_quiet tenv cenv e = 
  let (e,_) = Typer.type_expr tenv e in
  let e = Compile.compile_eval cenv e in 
  Eval.expr e

let debug ppf tenv cenv = function
  | `Subtype (t1,t2) ->
      Format.fprintf ppf "[DEBUG:subtype]@.";
      let t1 = Types.descr (Typer.typ tenv t1)
      and t2 = Types.descr (Typer.typ tenv t2) in
      let s = Types.subtype t1 t2 in
      Format.fprintf ppf "%a %a %a : %b@." print_norm t1 print_protect "<=" print_norm t2 s
  | `Sample t ->
      Format.fprintf ppf "[DEBUG:sample]@.";
      (try
         let t = Types.descr (Typer.typ tenv t) in
         Format.fprintf ppf "%a@." print_sample (Sample.get t)
       with Not_found ->
         Format.fprintf ppf "Empty type : no sample !@.")
  | `Filter (t,p) -> 
      Format.fprintf ppf "[DEBUG:filter]@.";
      let t = Typer.typ tenv t
      and p = Typer.pat tenv p in
      let f = Patterns.filter (Types.descr t) p in
      List.iter (fun (x,t) ->
                   Format.fprintf ppf " %a:%a@." U.print (Id.value x)
                     print_norm (Types.descr t)) f
  | `Accept p ->
      Format.fprintf ppf "[DEBUG:accept]@.";
      let p = Typer.pat tenv p in
      let t = Patterns.accept p in
      Format.fprintf ppf " %a@." Types.Print.print (Types.descr t)
  | `Compile (t,pl) ->
      Format.fprintf ppf "[DEBUG:compile]@.";
      let t = Typer.typ tenv t
      and pl = List.map (Typer.pat tenv) pl in
      Patterns.Compile.debug_compile ppf t pl
  | `Explain (t,e) ->
      Format.fprintf ppf "[DEBUG:explain]@.";
      let t = Typer.typ tenv t in
      (match Explain.explain (Types.descr t) (eval_quiet tenv cenv e) with
         | Some p ->
             Format.fprintf ppf "Explanation: @[%a@]@." 
               Explain.print_path p
         | None ->
             Format.fprintf ppf "Explanation: value has given type@.")


let flush_ppf ppf = Format.fprintf ppf "@."

let directive ppf tenv cenv = function
  | `Debug d ->
      debug ppf tenv cenv d
  | `Quit ->
      (if !toplevel then raise End_of_file)
  | `Env ->
      dump_env ppf tenv cenv
  | `Print_schema schema ->
      Schema_common.print_schema ppf (Typer.get_schema schema);
      flush_ppf ppf
  | `Print_type name ->
      Typer.dump_type ppf tenv name;
      flush_ppf ppf
  | `Print_schema_type schema_ref ->
      Typer.dump_schema_type ppf schema_ref;
      flush_ppf ppf
  | `Reinit_ns ->
      Typer.set_ns_table_for_printer tenv
  | `Help ->
      directive_help ppf
  | `Dump pexpr ->
      Value.dump_xml ppf (eval_quiet tenv cenv pexpr);
      flush_ppf ppf

let print_id_opt ppf = function
  | None -> Format.fprintf ppf "-"
  | Some id -> Format.fprintf ppf "val %a" U.print (Id.value id)

let print_value_opt ppf = function
  | None -> ()
  | Some v -> Format.fprintf ppf " = %a" print_value v

let show ppf id t v =
  Format.fprintf ppf "@[%a : @[%a%a@]@]@."
    print_id_opt id 
    print_norm t 
    print_value_opt v

let phrases ppf phs =
  let (tenv,cenv,_) = 
    Compile.comp_unit 
      ~run:true ~show:(show ppf) 
      ~loading:(fun cu -> Librarian.import cu; Librarian.run Value.nil cu)
      ~directive:(directive ppf)
      !typing_env !compile_env phs in
  typing_env := tenv;
  compile_env := cenv

let catch_exn ppf_err exn =
  if not catch_exceptions then raise exn;
  match exn with
  | (End_of_file | Failure _ | Not_found | Invalid_argument _ | Sys.Break) 
      as e -> 
      raise e
  | exn -> 
      print_exn ppf_err exn;
      Format.fprintf ppf_err "@."

let parse rule input =
  try Parser.localize_exn (fun () -> rule input)
  with e -> Parser.sync (); raise e

let run rule ppf ppf_err input =
  try phrases ppf (parse rule input); true
  with exn -> catch_exn ppf_err exn; false

let script = run Parser.prog
let topinput = run Parser.top_phrases

let compile src out_dir =
  try
    if not (Filename.check_suffix src ".cd")
    then raise (InvalidInputFilename src);
    let cu = Filename.chop_suffix (Filename.basename src) ".cd" in
    let out_dir = 
      match out_dir with
        | None -> Filename.dirname src
        | Some x -> x in
    let out = Filename.concat out_dir (cu ^ ".cdo") in
    let id = Types.CompUnit.mk (U.mk_latin1 cu) in
    Librarian.compile !verbose id src;
    Librarian.save id out;
    exit 0
  with exn -> catch_exn Format.err_formatter exn; exit 1
  
let compile_run src argv =
  try
    if not (Filename.check_suffix src ".cd")
    then raise (InvalidInputFilename src);
    let cu = Filename.chop_suffix (Filename.basename src) ".cd" in
    let id = Types.CompUnit.mk (U.mk_latin1 cu) in
    Librarian.compile !verbose id src;
    Librarian.run argv id
  with exn -> catch_exn Format.err_formatter exn; exit 1

let run obj argv =  
  try
    if not (Filename.check_suffix obj ".cdo") || (Filename.basename obj <> obj)
    then raise (InvalidObjectFilename obj);
    let cu = Filename.chop_suffix (Filename.basename obj) ".cdo" in
    let id = Types.CompUnit.mk (U.mk_latin1 cu) in
    Librarian.import id;
    Librarian.run argv id
  with exn -> catch_exn Format.err_formatter exn; exit 1


let dump_env ppf = dump_env ppf !typing_env !compile_env
1	abate	10	open Location
2	abate	225	open Ident
3	abate	10
4	abate	723	exception InvalidInputFilename of string
5			exception InvalidObjectFilename of string
6
7	abate	924	(* if set to false toplevel exception aren't cought.
8			* Useful for debugging with OCAMLRUNPARAM="b" *)
9	abate	746	let catch_exceptions = true
10
11	abate	707	(* retuns a filename without the suffix suff if any *)
12			let prefix filename suff =
13			if Filename.check_suffix filename suff then
14			try
15			Filename.chop_extension filename
16			with Invalid_argument filename -> failwith "Not a point in the suffix?"
17			else filename
18
19	abate	446	let toplevel = ref false
20	abate	926	let verbose = ref false
21	abate	217
22	abate	686	let typing_env = State.ref "Cduce.typing_env" Builtin.env
23	abate	692	let compile_env = State.ref "Cduce.compile_env" Compile.empty
24	abate	431
25	abate	926	let get_global_value cenv v =
26	abate	924	Eval.var (Compile.find v !compile_env)
27	abate	692
28			let get_global_type v =
29			Typer.find_value v !typing_env
30
31	abate	368	let enter_global_value x v t =
32	abate	692	typing_env := Typer.enter_value x t !typing_env;
33	abate	924	compile_env := Compile.enter_global !compile_env x;
34			Eval.push v
35	abate	692
36	abate	332	let rec is_abstraction = function
37			\| Ast.Abstraction _ -> true
38			\| Ast.LocatedExpr (_,e) -> is_abstraction e
39			\| _ -> false
40
41	abate	29	let print_norm ppf d =
42	abate	92	Location.protect ppf
43	abate	367	(fun ppf -> Types.Print.print ppf ((Types.normalize) d))
44	abate	29
45	abate	423	let print_sample ppf s =
46			Location.protect ppf
47			(fun ppf -> Sample.print ppf s)
48
49	abate	541	let print_protect ppf s =
50			Location.protect ppf (fun ppf -> Format.fprintf ppf "%s" s)
51	abate	423
52	abate	92	let print_value ppf v =
53			Location.protect ppf (fun ppf -> Value.print ppf v)
54
55	abate	695	let dump_value ppf x t v =
56			Format.fprintf ppf "@[val %a : @[%a = %a@]@]@."
57			U.print (Id.value x) print_norm t print_value v
58
59	abate	926	let dump_env ppf tenv cenv =
60			Format.fprintf ppf "Types:%a@." Typer.dump_types tenv;
61			Format.fprintf ppf "Namespace prefixes:@\n%a" Typer.dump_ns tenv;
62	abate	553	Format.fprintf ppf "Namespace prefixes used for pretty-printing:@.%t"
63	abate	552	Ns.InternalPrinter.dump;
64	abate	788	Format.fprintf ppf "Schemas: %s@."
65	abate	812	(String.concat " " (List.map U.get_str (Typer.get_schema_names ())));
66	abate	691	Format.fprintf ppf "Values:@.";
67	abate	926	Typer.iter_values tenv
68			(fun x t -> dump_value ppf x t (get_global_value cenv x))
69	abate	107
70	abate	702	let directive_help ppf =
71			Format.fprintf ppf
72			"Toplevel directives:
73	abate	788	#quit;; quit the interpreter
74			#env;; dump current environment
75			#reinit_ns;; reinitialize namespace processing
76			#help;; shows this help message
77			#dump_value <expr>;; dump an XML-ish representation of the resulting
78			value of a given expression
79			#print_schema <name>;;
80			#print_type <name>;;
81	abate	702	"
82
83	abate	10	let rec print_exn ppf = function
84	abate	522	\| Location (loc, w, exn) ->
85			Format.fprintf ppf "Error %a:@." Location.print_loc (loc,w);
86	abate	622	Format.fprintf ppf "%a" Location.html_hilight (loc,w);
87	abate	91	print_exn ppf exn
88	abate	64	\| Value.CDuceExn v ->
89	abate	433	Format.fprintf ppf "Uncaught CDuce exception: @[%a@]@."
90	abate	92	print_value v
91	abate	26	\| Typer.WrongLabel (t,l) ->
92	abate	529	Format.fprintf ppf "Wrong record selection; field %a "
93	abate	542	Label.print (LabelPool.value l);
94	abate	529	Format.fprintf ppf "not present in an expression of type:@.%a@."
95	abate	29	print_norm t
96	abate	19	\| Typer.ShouldHave (t,msg) ->
97	abate	622	Format.fprintf ppf "This expression should have type:@.%a@.%a@."
98	abate	29	print_norm t
99	abate	622	print_protect msg
100	abate	355	\| Typer.ShouldHave2 (t1,msg,t2) ->
101	abate	622	Format.fprintf ppf "This expression should have type:@.%a@.%a %a@."
102	abate	355	print_norm t1
103	abate	622	print_protect msg
104	abate	355	print_norm t2
105	abate	421	\| Typer.Error s ->
106	abate	622	Format.fprintf ppf "%a@." print_protect s
107	abate	421	\| Typer.Constraint (s,t) ->
108	abate	433	Format.fprintf ppf "This expression should have type:@.%a@."
109	abate	29	print_norm t;
110	abate	433	Format.fprintf ppf "but its inferred type is:@.%a@."
111	abate	29	print_norm s;
112	abate	433	Format.fprintf ppf "which is not a subtype, as shown by the sample:@.%a@."
113	abate	423	print_sample (Sample.get (Types.diff s t))
114	abate	17	\| Typer.NonExhaustive t ->
115	abate	433	Format.fprintf ppf "This pattern matching is not exhaustive@.";
116			Format.fprintf ppf "Residual type:@.%a@."
117	abate	29	print_norm t;
118	abate	433	Format.fprintf ppf "Sample:@.%a@." print_sample (Sample.get t)
119	abate	656	\| Typer.UnboundId (x,tn) ->
120			Format.fprintf ppf "Unbound identifier %a%s@." U.print (Id.value x)
121			(if tn then " (it is a type name)" else "")
122	abate	668	\| Ulexer.Error (i,j,s) ->
123			let loc = Location.loc_of_pos (i,j), `Full in
124			Format.fprintf ppf "Error %a:@." Location.print_loc loc;
125			Format.fprintf ppf "%a%s" Location.html_hilight loc s
126	abate	90	\| Parser.Error s \| Stream.Error s ->
127	abate	622	Format.fprintf ppf "Parsing error: %a@." print_protect s
128	abate	723	\| Librarian.InconsistentCrc id ->
129			Format.fprintf ppf "Link error:@.";
130			let name = Encodings.Utf8.to_string (Types.CompUnit.value id) in
131			Format.fprintf ppf "Inconsistent checksum (compilation unit: %s)@."
132			name
133			\| Librarian.NoImplementation id ->
134			Format.fprintf ppf "Link error:@.";
135			let name = Encodings.Utf8.to_string (Types.CompUnit.value id) in
136			Format.fprintf ppf "No implementation found for compilation unit: %s@."
137			name
138			\| Librarian.Loop id ->
139			Format.fprintf ppf "Compilation error:@.";
140			let name = Encodings.Utf8.to_string (Types.CompUnit.value id) in
141			Format.fprintf ppf "Loop between compilation unit (compilation unit: %s)@."
142			name
143			\| InvalidInputFilename f ->
144			Format.fprintf ppf "Compilation error:@.";
145			Format.fprintf ppf "Source filename must have extension .cd@.";
146			\| InvalidObjectFilename f ->
147			Format.fprintf ppf "Compilation error:@.";
148	abate	724	Format.fprintf ppf "Object filename must have extension .cdo and no path@.";
149	abate	723	\| Librarian.InvalidObject f ->
150			Format.fprintf ppf "Invalid object file %s@." f
151			\| Librarian.CannotOpen f ->
152			Format.fprintf ppf "Cannot open file %s@." f
153	abate	91	\| Location.Generic s ->
154	abate	622	Format.fprintf ppf "%a@." print_protect s
155	abate	10	\| exn ->
156	abate	403	(* raise exn *)
157	abate	622	Format.fprintf ppf "%a@." print_protect (Printexc.to_string exn)
158	abate	10
159	abate	694
160	abate	926	let eval_quiet tenv cenv e =
161			let (e,_) = Typer.type_expr tenv e in
162			let e = Compile.compile_eval cenv e in
163	abate	924	Eval.expr e
164
165	abate	926	let debug ppf tenv cenv = function
166	abate	224	\| `Subtype (t1,t2) ->
167	abate	433	Format.fprintf ppf "[DEBUG:subtype]@.";
168	abate	926	let t1 = Types.descr (Typer.typ tenv t1)
169			and t2 = Types.descr (Typer.typ tenv t2) in
170	abate	541	let s = Types.subtype t1 t2 in
171			Format.fprintf ppf "%a %a %a : %b@." print_norm t1 print_protect "<=" print_norm t2 s
172	abate	407	\| `Sample t ->
173	abate	433	Format.fprintf ppf "[DEBUG:sample]@.";
174			(try
175	abate	926	let t = Types.descr (Typer.typ tenv t) in
176	abate	433	Format.fprintf ppf "%a@." print_sample (Sample.get t)
177			with Not_found ->
178			Format.fprintf ppf "Empty type : no sample !@.")
179	abate	43	\| `Filter (t,p) ->
180	abate	433	Format.fprintf ppf "[DEBUG:filter]@.";
181	abate	926	let t = Typer.typ tenv t
182			and p = Typer.pat tenv p in
183	abate	43	let f = Patterns.filter (Types.descr t) p in
184			List.iter (fun (x,t) ->
185	abate	433	Format.fprintf ppf " %a:%a@." U.print (Id.value x)
186	abate	43	print_norm (Types.descr t)) f
187			\| `Accept p ->
188	abate	433	Format.fprintf ppf "[DEBUG:accept]@.";
189	abate	926	let p = Typer.pat tenv p in
190	abate	43	let t = Patterns.accept p in
191	abate	433	Format.fprintf ppf " %a@." Types.Print.print (Types.descr t)
192	abate	43	\| `Compile (t,pl) ->
193	abate	433	Format.fprintf ppf "[DEBUG:compile]@.";
194	abate	926	let t = Typer.typ tenv t
195			and pl = List.map (Typer.pat tenv) pl in
196	abate	149	Patterns.Compile.debug_compile ppf t pl
197	abate	694	\| `Explain (t,e) ->
198			Format.fprintf ppf "[DEBUG:explain]@.";
199	abate	926	let t = Typer.typ tenv t in
200			(match Explain.explain (Types.descr t) (eval_quiet tenv cenv e) with
201	abate	694	\| Some p ->
202			Format.fprintf ppf "Explanation: @[%a@]@."
203			Explain.print_path p
204			\| None ->
205			Format.fprintf ppf "Explanation: value has given type@.")
206	abate	66
207	abate	695
208	abate	926	let flush_ppf ppf = Format.fprintf ppf "@."
209	abate	692
210	abate	926	let directive ppf tenv cenv = function
211			\| `Debug d ->
212			debug ppf tenv cenv d
213			\| `Quit ->
214			(if !toplevel then raise End_of_file)
215			\| `Env ->
216			dump_env ppf tenv cenv
217			\| `Print_schema schema ->
218			Schema_common.print_schema ppf (Typer.get_schema schema);
219			flush_ppf ppf
220			\| `Print_type name ->
221			Typer.dump_type ppf tenv name;
222			flush_ppf ppf
223			\| `Print_schema_type schema_ref ->
224			Typer.dump_schema_type ppf schema_ref;
225			flush_ppf ppf
226			\| `Reinit_ns ->
227			Typer.set_ns_table_for_printer tenv
228			\| `Help ->
229			directive_help ppf
230			\| `Dump pexpr ->
231			Value.dump_xml ppf (eval_quiet tenv cenv pexpr);
232			flush_ppf ppf
233	abate	66
234	abate	926	let print_id_opt ppf = function
235			\| None -> Format.fprintf ppf "-"
236			\| Some id -> Format.fprintf ppf "val %a" U.print (Id.value id)
237	abate	694
238	abate	926	let print_value_opt ppf = function
239			\| None -> ()
240			\| Some v -> Format.fprintf ppf " = %a" print_value v
241	abate	90
242	abate	926	let show ppf id t v =
243			Format.fprintf ppf "@[%a : @[%a%a@]@]@."
244			print_id_opt id
245			print_norm t
246			print_value_opt v
247
248			let phrases ppf phs =
249			let (tenv,cenv,_) =
250			Compile.comp_unit
251			~run:true ~show:(show ppf)
252			~loading:(fun cu -> Librarian.import cu; Librarian.run Value.nil cu)
253			~directive:(directive ppf)
254			!typing_env !compile_env phs in
255			typing_env := tenv;
256			compile_env := cenv
257
258	abate	746	let catch_exn ppf_err exn =
259			if not catch_exceptions then raise exn;
260			match exn with
261	abate	698	\| (End_of_file \| Failure _ \| Not_found \| Invalid_argument _ \| Sys.Break)
262			as e ->
263			raise e
264			\| exn ->
265			print_exn ppf_err exn;
266			Format.fprintf ppf_err "@."
267
268			let parse rule input =
269	abate	792	try Parser.localize_exn (fun () -> rule input)
270			with e -> Parser.sync (); raise e
271	abate	698
272	abate	431	let run rule ppf ppf_err input =
273	abate	792	try phrases ppf (parse rule input); true
274	abate	698	with exn -> catch_exn ppf_err exn; false
275	abate	21
276	abate	431	let script = run Parser.prog
277	abate	446	let topinput = run Parser.top_phrases
278	abate	691
279	abate	723	let compile src out_dir =
280	abate	698	try
281	abate	723	if not (Filename.check_suffix src ".cd")
282			then raise (InvalidInputFilename src);
283			let cu = Filename.chop_suffix (Filename.basename src) ".cd" in
284			let out_dir =
285			match out_dir with
286			\| None -> Filename.dirname src
287			\| Some x -> x in
288			let out = Filename.concat out_dir (cu ^ ".cdo") in
289			let id = Types.CompUnit.mk (U.mk_latin1 cu) in
290	abate	926	Librarian.compile !verbose id src;
291	abate	723	Librarian.save id out;
292	abate	713	exit 0
293	abate	698	with exn -> catch_exn Format.err_formatter exn; exit 1
294
295			let compile_run src argv =
296	abate	713	try
297	abate	723	if not (Filename.check_suffix src ".cd")
298			then raise (InvalidInputFilename src);
299			let cu = Filename.chop_suffix (Filename.basename src) ".cd" in
300			let id = Types.CompUnit.mk (U.mk_latin1 cu) in
301	abate	926	Librarian.compile !verbose id src;
302	abate	713	Librarian.run argv id
303			with exn -> catch_exn Format.err_formatter exn; exit 1
304	abate	698
305			let run obj argv =
306	abate	713	try
307	abate	724	if not (Filename.check_suffix obj ".cdo") \|\| (Filename.basename obj <> obj)
308	abate	723	then raise (InvalidObjectFilename obj);
309			let cu = Filename.chop_suffix (Filename.basename obj) ".cdo" in
310			let id = Types.CompUnit.mk (U.mk_latin1 cu) in
311	abate	713	Librarian.import id;
312			Librarian.run argv id
313			with exn -> catch_exn Format.err_formatter exn; exit 1
314	abate	698
315	abate	926
316			let dump_env ppf = dump_env ppf !typing_env !compile_env