1 files changed, 0 insertions, 148 deletions
diff --git a/stdlib/parsing.ml b/stdlib/parsing.ml
deleted file mode 100644
index 0ddf431e79..0000000000
--- a/stdlib/parsing.ml
+++ /dev/null
@@ -1,148 +0,0 @@
-(* The parsing engine *)
-
-type parse_tables =
-  { actions : (unit -> Obj.t) array;
-    transl : int array;
-    lhs : string;
-    len : string;
-    defred : string;
-    dgoto : string;
-    sindex : string;
-    rindex : string;
-    gindex : string;
-    tablesize : int;
-    table : string;
-    check : string }
-
-exception YYexit of Obj.t
-exception Parse_error
-
-open Lexing
-
-(* Internal interface to the parsing engine *)
-
-type parser_env =
-  { mutable s_stack : int array;        (* States *)
-    mutable v_stack : Obj.t array;      (* Semantic attributes *)
-    mutable symb_start_stack : int array; (* Start positions *)
-    mutable symb_end_stack : int array;   (* End positions *)
-    mutable stacksize : int;            (* Size of the stacks *)
-    mutable curr_char : int;            (* Last token read *)
-    mutable lval : Obj.t;               (* Its semantic attribute *)
-    mutable symb_start : int;           (* Start pos. of the current symbol*)
-    mutable symb_end : int;             (* End pos. of the current symbol *)
-    mutable asp : int;                  (* The stack pointer for attributes *)
-    mutable rule_len : int;             (* Number of rhs items in the rule *)
-    mutable rule_number : int;          (* Rule number to reduce by *)
-    mutable sp : int;                   (* Saved sp for parse_engine *)
-    mutable state : int }               (* Saved state for parse_engine *)
-
-type parser_input =
-    Start
-  | Token_read
-  | Stacks_grown_1
-  | Stacks_grown_2
-  | Semantic_action_computed
-
-type parser_output =
-    Read_token
-  | Raise_parse_error
-  | Grow_stacks_1
-  | Grow_stacks_2
-  | Compute_semantic_action
-
-external parse_engine :
-    parse_tables -> parser_env -> parser_input -> Obj.t -> parser_output
-    = "parse_engine"
-
-let env =
-  { s_stack = Array.new 100 0;
-    v_stack = Array.new 100 (Obj.repr ());
-    symb_start_stack = Array.new 100 0;
-    symb_end_stack = Array.new 100 0;
-    stacksize = 100;
-    curr_char = 0;
-    lval = Obj.repr ();
-    symb_start = 0;
-    symb_end = 0;
-    asp = 0;
-    rule_len = 0;
-    rule_number = 0;
-    sp = 0;
-    state = 0 }
-
-let grow_stacks() =
-  let oldsize = env.stacksize in
-  let newsize = oldsize * 2 in
-  let new_s = Array.new newsize 0
-  and new_v = Array.new newsize (Obj.repr ())
-  and new_start = Array.new newsize 0
-  and new_end = Array.new newsize 0 in
-    Array.blit env.s_stack 0 new_s 0 oldsize;
-    env.s_stack <- new_s;
-    Array.blit env.v_stack 0 new_v 0 oldsize;
-    env.v_stack <- new_v;
-    Array.blit env.symb_start_stack 0 new_start 0 oldsize;
-    env.symb_start_stack <- new_start;
-    Array.blit env.symb_end_stack 0 new_end 0 oldsize;
-    env.symb_end_stack <- new_end;
-    env.stacksize <- newsize
-
-let clear_parser() =
-  Array.fill env.v_stack 0 env.stacksize (Obj.repr ());
-  env.lval <- Obj.repr ()
-
-let current_lookahead_fun = ref (fun (x: Obj.t) -> false)
-
-let yyparse tables start lexer lexbuf =
-  let rec loop cmd arg =
-    match parse_engine tables env cmd arg with
-      Read_token ->
-        let t = Obj.repr(lexer lexbuf) in
-        env.symb_start <- lexbuf.lex_abs_pos + lexbuf.lex_start_pos;
-        env.symb_end   <- lexbuf.lex_abs_pos + lexbuf.lex_curr_pos;
-        loop Token_read t
-    | Raise_parse_error ->
-        raise Parse_error
-    | Compute_semantic_action ->
-        loop Semantic_action_computed (tables.actions.(env.rule_number) ())
-    | Grow_stacks_1 ->
-        grow_stacks(); loop Stacks_grown_1 (Obj.repr ())
-    | Grow_stacks_2 ->
-        grow_stacks(); loop Stacks_grown_2 (Obj.repr ()) in
-  let init_asp = env.asp
-  and init_sp = env.sp
-  and init_state = env.state
-  and init_curr_char = env.curr_char in
-  env.curr_char <- start;
-  try
-    loop Start (Obj.repr ())
-  with exn ->
-    let curr_char = env.curr_char in
-    env.asp <- init_asp;
-    env.sp <- init_sp;
-    env.state <- init_state;
-    env.curr_char <- init_curr_char;
-    match exn with
-      YYexit v ->
-        Obj.magic v
-    | _ ->
-        current_lookahead_fun :=
-          (fun tok -> tables.transl.(Obj.tag tok) = curr_char);
-        raise exn
-
-let peek_val n =
-  Obj.magic env.v_stack.(env.asp - n)
-
-let symbol_start () =
-  env.symb_start_stack.(env.asp - env.rule_len + 1)
-let symbol_end () =
-  env.symb_end_stack.(env.asp)
-
-let rhs_start n =
-  env.symb_start_stack.(env.asp - (env.rule_len - n))
-let rhs_end n =
-  env.symb_end_stack.(env.asp - (env.rule_len - n))
-
-let is_current_lookahead tok =
-  (!current_lookahead_fun)(Obj.repr tok)