172 lines
6.5 KiB
OCaml
172 lines
6.5 KiB
OCaml
(*************************************************************************)
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(* *)
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(* Objective Caml LablTk library *)
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(* *)
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(* Pierre Weis, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 2000 Institut National de Recherche en Informatique et *)
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(* en Automatique and Kyoto University. All rights reserved. *)
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(* This file is distributed under the terms of the GNU Library *)
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(* General Public License, with the special exception on linking *)
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(* described in file ../../../LICENSE. *)
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(* *)
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(*************************************************************************)
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open Tables;;
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open Format;;
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let escape_string s =
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let more = ref 0 in
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for i = 0 to String.length s - 1 do
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match s.[i] with
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| '\\' | '"' -> incr more
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| _ -> ()
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done;
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if !more = 0 then s else
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let res = String.create (String.length s + !more) in
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let j = ref 0 in
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for i = 0 to String.length s - 1 do
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let c = s.[i] in
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match c with
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| '\\' | '"' -> res.[!j] <- '\\'; incr j; res.[!j] <- c; incr j
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| _ -> res.[!j] <- c; incr j
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done;
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res;;
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let escape_char c = if c = '\'' then "\\'" else String.make 1 c;;
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let print_quoted_string s = printf "\"%s\"" (escape_string s);;
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let print_quoted_char c = printf "'%s'" (escape_char c);;
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let print_quoted_int i =
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if i < 0 then printf "(%d)" i else printf "%d" i;;
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let print_quoted_float f =
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if f <= 0.0 then printf "(%f)" f else printf "%f" f;;
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(* Iterators *)
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let print_list f l =
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printf "@[<1>[";
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let rec pl = function
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| [] -> printf "@;<0 -1>]@]"
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| [x] -> f x; pl []
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| x :: xs -> f x; printf ";@ "; pl xs in
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pl l;;
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let print_array f v =
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printf "@[<2>[|";
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let l = Array.length v in
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if l >= 1 then f v.(0);
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if l >= 2 then
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for i = 1 to l - 1 do
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printf ";@ "; f v.(i)
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done;
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printf "@;<0 -1>|]@]";;
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let print_option f = function
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| None -> print_string "None"
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| Some x -> printf "@[<1>Some@ "; f x; printf "@]";;
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let print_bool = function
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| true -> print_string "true" | _ -> print_string "false";;
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let print_poly x = print_string "<poly>";;
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(* Types of the description language *)
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let rec print_mltype = function
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| Unit -> printf "Unit" | Int -> printf "Int" | Float -> printf "Float"
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| Bool -> printf "Bool" | Char -> printf "Char" | String -> printf "String"
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| List m -> printf "@[<1>(%s@ " "List"; print_mltype m; printf ")@]"
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| Product l_m ->
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printf "@[<1>(%s@ " "Product"; print_list print_mltype l_m; printf ")@]"
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| Record l_t_s_m ->
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printf "@[<1>(%s@ " "Record";
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print_list
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(function (s, m) ->
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printf "@[<1>("; print_quoted_string s; printf ",@ "; print_mltype m;
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printf ")@]")
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l_t_s_m;
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printf ")@]"
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| UserDefined s ->
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printf "@[<1>(%s@ " "UserDefined"; print_quoted_string s; printf ")@]"
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| Subtype (s, s0) ->
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printf "@[<1>(%s@ " "Subtype"; printf "@[<1>("; print_quoted_string s;
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printf ",@ "; print_quoted_string s0; printf ")@]"; printf ")@]"
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| Function m ->
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printf "@[<1>(%s@ " "Function"; print_mltype m; printf ")@]"
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| As (m, s) ->
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printf "@[<1>(%s@ " "As"; printf "@[<1>("; print_mltype m; printf ",@ ";
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print_quoted_string s; printf ")@]"; printf ")@]";;
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let rec print_template = function
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| StringArg s ->
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printf "@[<1>(%s@ " "StringArg"; print_quoted_string s; printf ")@]"
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| TypeArg (s, m) ->
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printf "@[<1>(%s@ " "TypeArg"; printf "@[<1>("; print_quoted_string s;
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printf ",@ "; print_mltype m; printf ")@]"; printf ")@]"
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| ListArg l_t ->
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printf "@[<1>(%s@ " "ListArg"; print_list print_template l_t;
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printf ")@]"
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| OptionalArgs (s, l_t, l_t0) ->
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printf "@[<1>(%s@ " "OptionalArgs"; printf "@[<1>(";
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print_quoted_string s; printf ",@ "; print_list print_template l_t;
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printf ",@ "; print_list print_template l_t0; printf ")@]"; printf ")@]";;
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(* Sorts of components *)
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let rec print_component_type = function
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| Constructor -> printf "Constructor" | Command -> printf "Command"
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| External -> printf "External";;
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(* Full definition of a component *)
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let rec print_fullcomponent = function
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{component = c; ml_name = s; var_name = s0; template = t; result = m;
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safe = b;
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} ->
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printf "@[<1>{"; printf "@[<1>component =@ "; print_component_type c;
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printf ";@]@ "; printf "@[<1>ml_name =@ "; print_quoted_string s;
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printf ";@]@ "; printf "@[<1>var_name =@ "; print_quoted_string s0;
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printf ";@]@ "; printf "@[<1>template =@ "; print_template t;
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printf ";@]@ "; printf "@[<1>result =@ "; print_mltype m; printf ";@]@ ";
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printf "@[<1>safe =@ "; print_bool b; printf ";@]@ "; printf "@,}@]";;
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(* components are given either in full or abbreviated *)
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let rec print_component = function
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| Full f -> printf "@[<1>(%s@ " "Full"; print_fullcomponent f; printf ")@]"
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| Abbrev s ->
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printf "@[<1>(%s@ " "Abbrev"; print_quoted_string s; printf ")@]";;
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(* A type definition *)
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(*
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requires_widget_context: the converter of the type MUST be passed
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an additional argument of type Widget.
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*)
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let rec print_parser_arity = function
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| OneToken -> printf "OneToken" | MultipleToken -> printf "MultipleToken";;
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let rec print_type_def = function
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{parser_arity = p; constructors = l_f; subtypes = l_t_s_l_f;
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requires_widget_context = b; variant = b0;
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} ->
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printf "@[<1>{"; printf "@[<1>parser_arity =@ "; print_parser_arity p;
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printf ";@]@ "; printf "@[<1>constructors =@ ";
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print_list print_fullcomponent l_f; printf ";@]@ ";
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printf "@[<1>subtypes =@ ";
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print_list
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(function (s, l_f0) ->
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printf "@[<1>("; print_quoted_string s; printf ",@ ";
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print_list print_fullcomponent l_f0; printf ")@]")
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l_t_s_l_f;
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printf ";@]@ "; printf "@[<1>requires_widget_context =@ "; print_bool b;
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printf ";@]@ "; printf "@[<1>variant =@ "; print_bool b0; printf ";@]@ ";
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printf "@,}@]";;
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let rec print_module_type = function
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| Widget -> printf "Widget" | Family -> printf "Family";;
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let rec print_module_def = function
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{module_type = m; commands = l_f; externals = l_f0; } ->
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printf "@[<1>{"; printf "@[<1>module_type =@ "; print_module_type m;
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printf ";@]@ "; printf "@[<1>commands =@ ";
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print_list print_fullcomponent l_f; printf ";@]@ ";
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printf "@[<1>externals =@ "; print_list print_fullcomponent l_f0;
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printf ";@]@ "; printf "@,}@]";;
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