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|
(* $Id$ *)
open Tables
open Compile
open Intf
let flag_verbose = ref false
let verbose_string s =
if !flag_verbose then prerr_string s
let verbose_endline s =
if !flag_verbose then prerr_endline s
let input_name = ref "Widgets.src"
let usage () =
prerr_string "Usage: tkcompiler input.src\n";
flush stderr;
exit 1
let prerr_error_header () =
prerr_string "File \""; prerr_string !input_name;
prerr_string "\", line ";
prerr_string (string_of_int !Lexer.current_line);
prerr_string ": "
let parse_file filename =
let ic = open_in_bin filename in
try
let lexbuf = Lexing.from_channel ic in
while true do
Parser.entry Lexer.main lexbuf
done
with
Parsing.Parse_error ->
close_in ic;
prerr_error_header();
prerr_string "Syntax error \n";
exit 1
| Lexer.Lexical_error s ->
close_in ic;
prerr_error_header();
prerr_string "Lexical error (";
prerr_string s;
prerr_string ")\n";
exit 1
| Duplicate_Definition (s,s') ->
close_in ic;
prerr_error_header();
prerr_string s; prerr_string " "; prerr_string s';
prerr_string " is defined twice.\n";
exit 1
| Compiler_Error s ->
close_in ic;
prerr_error_header();
prerr_string "Internal error: "; prerr_string s; prerr_string "\n";
prerr_string "Please report bug\n";
exit 1
| End_of_file ->
close_in ic
(* hack to provoke production of cCAMLtoTKoptions_constrs *)
let option_hack oc =
try
let typdef = Hashtbl.find types_table key:"options" in
let hack =
{ parser_arity = OneToken;
constructors =
List.map typdef.constructors fun:
begin fun c ->
{ component = Constructor;
ml_name = c.ml_name;
var_name = c.var_name; (* as variants *)
template =
begin match c.template with
ListArg (x::_) -> x
| _ -> fatal_error "bogus hack"
end;
result = UserDefined "options_constrs";
safe = true }
end;
subtypes = [];
requires_widget_context = false;
variant = false }
in
write_CAMLtoTK w:(output_string to:oc) "options_constrs" def:hack safetype: false
with Not_found -> ()
let compile () =
verbose_endline "Creating tkgen.ml ...";
let oc = open_out_bin "lib/tkgen.ml" in
let oc' = open_out_bin "lib/tkigen.ml" in
let oc'' = open_out_bin "lib/tkfgen.ml" in
let sorted_types = Tsort.sort types_order in
verbose_endline " writing types ...";
List.iter sorted_types fun:
begin fun typname ->
verbose_string (" "^typname^" ");
try
let typdef = Hashtbl.find types_table key:typname in
verbose_string "type ";
write_type intf:(output_string to:oc)
impl:(output_string to:oc')
typname def:typdef;
verbose_string "C2T ";
write_CAMLtoTK w:(output_string to:oc') typname def:typdef;
verbose_string "T2C ";
if List.mem elt:typname !types_returned then
write_TKtoCAML w:(output_string to:oc') typname def:typdef;
verbose_string "CO ";
write_catch_optionals w:(output_string to:oc') typname def:typdef;
verbose_endline "."
with Not_found ->
if not (List.mem_assoc key:typname !types_external) then
begin
verbose_string "Type ";
verbose_string typname;
verbose_string " is undeclared external or undefined\n"
end
else verbose_endline "."
end;
option_hack oc';
verbose_endline " writing functions ...";
List.iter fun:(write_function w:(output_string to:oc'')) !function_table;
close_out oc;
close_out oc';
close_out oc'';
(* Write the interface for public functions *)
(* this interface is used only for documentation *)
verbose_endline "Creating tkgen.mli ...";
let oc = open_out_bin "lib/tkgen.mli" in
List.iter (sort_components !function_table)
fun:(write_function_type w:(output_string to:oc));
close_out oc;
verbose_endline "Creating other ml, mli ...";
Hashtbl.iter module_table fun:
begin fun key:wname data:wdef ->
verbose_endline (" "^wname);
let modname = wname in
let oc = open_out_bin ("lib/" ^ modname ^ ".ml")
and oc' = open_out_bin ("lib/" ^ modname ^ ".mli") in
begin match wdef.module_type with
Widget -> output_string to:oc' ("(* The "^wname^" widget *)\n")
| Family -> output_string to:oc' ("(* The "^wname^" commands *)\n")
end;
output_string to:oc "open Protocol\n";
List.iter fun:(fun s -> output_string s to:oc; output_string s to:oc')
[ "open Tk\n";
"open Tkintf\n";
"open Widget\n";
"open Textvariable\n"
];
begin match wdef.module_type with
Widget ->
write_create w:(output_string to:oc) wname;
write_create_p w:(output_string to:oc') wname
| Family -> ()
end;
List.iter fun:(write_function w:(output_string to:oc))
(sort_components wdef.commands);
List.iter fun:(write_function_type w:(output_string to:oc'))
(sort_components wdef.commands);
List.iter fun:(write_external w:(output_string to:oc))
(sort_components wdef.externals);
List.iter fun:(write_external_type w:(output_string to:oc'))
(sort_components wdef.externals);
close_out oc;
close_out oc'
end;
(* write the module list for the Makefile *)
(* and hack to death until it works *)
let oc = open_out_bin "lib/modules" in
output_string to:oc "WIDGETOBJS=";
Hashtbl.iter module_table
fun:(fun key:name data:_ ->
output_string to:oc name;
output_string to:oc ".cmo ");
output_string to:oc "\n";
Hashtbl.iter module_table
fun:(fun key:name data:_ ->
output_string to:oc name;
output_string to:oc ".ml ");
output_string to:oc ": tkgen.ml\n\n";
Hashtbl.iter module_table fun:
begin fun key:name data:_ ->
output_string to:oc name;
output_string to:oc ".cmo : ";
output_string to:oc name;
output_string to:oc ".ml\n";
output_string to:oc name;
output_string to:oc ".cmi : ";
output_string to:oc name;
output_string to:oc ".mli\n"
end;
close_out oc
let main () =
Arg.parse
keywords:[ "-verbose", Arg.Unit (fun () -> flag_verbose := true),
"Make output verbose" ]
others:(fun filename -> input_name := filename)
errmsg:"Usage: tkcompiler <source file>" ;
try
verbose_string "Parsing... ";
parse_file !input_name;
verbose_string "Compiling... ";
compile ();
verbose_string "Finished";
exit 0
with
Lexer.Lexical_error s ->
prerr_string "Invalid lexical character: ";
prerr_endline s;
exit 1
| Duplicate_Definition (s,s') ->
prerr_string s; prerr_string " "; prerr_string s';
prerr_endline " is redefined illegally";
exit 1
| Invalid_implicit_constructor c ->
prerr_string "Constructor ";
prerr_string c;
prerr_endline " is used implicitly before defined";
exit 1
| Tsort.Cyclic ->
prerr_endline "Cyclic dependency of types";
exit 1
let () = Printexc.catch main ()
|
