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|
(***********************************************************************)
(* *)
(* MLTk, Tcl/Tk interface of OCaml *)
(* *)
(* Francois Rouaix, Francois Pessaux, Jun Furuse and Pierre Weis *)
(* projet Cristal, INRIA Rocquencourt *)
(* Jacques Garrigue, Kyoto University RIMS *)
(* *)
(* Copyright 2002 Institut National de Recherche en Informatique et *)
(* en Automatique and Kyoto University. All rights reserved. *)
(* This file is distributed under the terms of the GNU Library *)
(* General Public License, with the special exception on linking *)
(* described in file LICENSE found in the OCaml source tree. *)
(* *)
(***********************************************************************)
open Tables;;
open Format;;
let escape_string s =
let more = ref 0 in
for i = 0 to String.length s - 1 do
match s.[i] with
| '\\' | '"' -> incr more
| _ -> ()
done;
if !more = 0 then s else
let res = String.create (String.length s + !more) in
let j = ref 0 in
for i = 0 to String.length s - 1 do
let c = s.[i] in
match c with
| '\\' | '"' -> res.[!j] <- '\\'; incr j; res.[!j] <- c; incr j
| _ -> res.[!j] <- c; incr j
done;
res;;
let escape_char c = if c = '\'' then "\\'" else String.make 1 c;;
let print_quoted_string s = printf "\"%s\"" (escape_string s);;
let print_quoted_char c = printf "'%s'" (escape_char c);;
let print_quoted_int i =
if i < 0 then printf "(%d)" i else printf "%d" i;;
let print_quoted_float f =
if f <= 0.0 then printf "(%f)" f else printf "%f" f;;
(* Iterators *)
let print_list f l =
printf "@[<1>[";
let rec pl = function
| [] -> printf "@;<0 -1>]@]"
| [x] -> f x; pl []
| x :: xs -> f x; printf ";@ "; pl xs in
pl l;;
let print_array f v =
printf "@[<2>[|";
let l = Array.length v in
if l >= 1 then f v.(0);
if l >= 2 then
for i = 1 to l - 1 do
printf ";@ "; f v.(i)
done;
printf "@;<0 -1>|]@]";;
let print_option f = function
| None -> print_string "None"
| Some x -> printf "@[<1>Some@ "; f x; printf "@]";;
let print_bool = function
| true -> print_string "true" | _ -> print_string "false";;
let print_poly x = print_string "<poly>";;
(* Types of the description language *)
let rec print_mltype = function
| Unit -> printf "Unit" | Int -> printf "Int" | Float -> printf "Float"
| Bool -> printf "Bool" | Char -> printf "Char" | String -> printf "String"
| List m -> printf "@[<1>(%s@ " "List"; print_mltype m; printf ")@]"
| Product l_m ->
printf "@[<1>(%s@ " "Product"; print_list print_mltype l_m; printf ")@]"
| Record l_t_s_m ->
printf "@[<1>(%s@ " "Record";
print_list
(function (s, m) ->
printf "@[<1>("; print_quoted_string s; printf ",@ "; print_mltype m;
printf ")@]")
l_t_s_m;
printf ")@]"
| UserDefined s ->
printf "@[<1>(%s@ " "UserDefined"; print_quoted_string s; printf ")@]"
| Subtype (s, s0) ->
printf "@[<1>(%s@ " "Subtype"; printf "@[<1>("; print_quoted_string s;
printf ",@ "; print_quoted_string s0; printf ")@]"; printf ")@]"
| Function m ->
printf "@[<1>(%s@ " "Function"; print_mltype m; printf ")@]"
| As (m, s) ->
printf "@[<1>(%s@ " "As"; printf "@[<1>("; print_mltype m; printf ",@ ";
print_quoted_string s; printf ")@]"; printf ")@]";;
let rec print_template = function
| StringArg s ->
printf "@[<1>(%s@ " "StringArg"; print_quoted_string s; printf ")@]"
| TypeArg (s, m) ->
printf "@[<1>(%s@ " "TypeArg"; printf "@[<1>("; print_quoted_string s;
printf ",@ "; print_mltype m; printf ")@]"; printf ")@]"
| ListArg l_t ->
printf "@[<1>(%s@ " "ListArg"; print_list print_template l_t;
printf ")@]"
| OptionalArgs (s, l_t, l_t0) ->
printf "@[<1>(%s@ " "OptionalArgs"; printf "@[<1>(";
print_quoted_string s; printf ",@ "; print_list print_template l_t;
printf ",@ "; print_list print_template l_t0; printf ")@]"; printf ")@]";;
(* Sorts of components *)
let rec print_component_type = function
| Constructor -> printf "Constructor" | Command -> printf "Command"
| External -> printf "External";;
(* Full definition of a component *)
let rec print_fullcomponent = function
{component = c; ml_name = s; var_name = s0; template = t; result = m;
safe = b;
} ->
printf "@[<1>{"; printf "@[<1>component =@ "; print_component_type c;
printf ";@]@ "; printf "@[<1>ml_name =@ "; print_quoted_string s;
printf ";@]@ "; printf "@[<1>var_name =@ "; print_quoted_string s0;
printf ";@]@ "; printf "@[<1>template =@ "; print_template t;
printf ";@]@ "; printf "@[<1>result =@ "; print_mltype m; printf ";@]@ ";
printf "@[<1>safe =@ "; print_bool b; printf ";@]@ "; printf "@,}@]";;
(* components are given either in full or abbreviated *)
let rec print_component = function
| Full f -> printf "@[<1>(%s@ " "Full"; print_fullcomponent f; printf ")@]"
| Abbrev s ->
printf "@[<1>(%s@ " "Abbrev"; print_quoted_string s; printf ")@]";;
(* A type definition *)
(*
requires_widget_context: the converter of the type MUST be passed
an additional argument of type Widget.
*)
let rec print_parser_arity = function
| OneToken -> printf "OneToken" | MultipleToken -> printf "MultipleToken";;
let rec print_type_def = function
{parser_arity = p; constructors = l_f; subtypes = l_t_s_l_f;
requires_widget_context = b; variant = b0;
} ->
printf "@[<1>{"; printf "@[<1>parser_arity =@ "; print_parser_arity p;
printf ";@]@ "; printf "@[<1>constructors =@ ";
print_list print_fullcomponent l_f; printf ";@]@ ";
printf "@[<1>subtypes =@ ";
print_list
(function (s, l_f0) ->
printf "@[<1>("; print_quoted_string s; printf ",@ ";
print_list print_fullcomponent l_f0; printf ")@]")
l_t_s_l_f;
printf ";@]@ "; printf "@[<1>requires_widget_context =@ "; print_bool b;
printf ";@]@ "; printf "@[<1>variant =@ "; print_bool b0; printf ";@]@ ";
printf "@,}@]";;
let rec print_module_type = function
| Widget -> printf "Widget" | Family -> printf "Family";;
let rec print_module_def = function
{module_type = m; commands = l_f; externals = l_f0; } ->
printf "@[<1>{"; printf "@[<1>module_type =@ "; print_module_type m;
printf ";@]@ "; printf "@[<1>commands =@ ";
print_list print_fullcomponent l_f; printf ";@]@ ";
printf "@[<1>externals =@ "; print_list print_fullcomponent l_f0;
printf ";@]@ "; printf "@,}@]";;
|
