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-rw-r--r--lib/diameter/src/compiler/diameter_spec_scan.erl157
1 files changed, 0 insertions, 157 deletions
diff --git a/lib/diameter/src/compiler/diameter_spec_scan.erl b/lib/diameter/src/compiler/diameter_spec_scan.erl
deleted file mode 100644
index bc0448882a..0000000000
--- a/lib/diameter/src/compiler/diameter_spec_scan.erl
+++ /dev/null
@@ -1,157 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2010-2011. All Rights Reserved.
-%%
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
-%%
-%% %CopyrightEnd%
-%%
-
--module(diameter_spec_scan).
-
-%%
-%% Functions used by the spec file parser in diameter_spec_util.
-%%
-
--export([split/1,
- split/2,
- parse/1]).
-
-%%% -----------------------------------------------------------
-%%% # parse/1
-%%%
-%%% Output: list of Token
-%%%
-%%% Token = '{' | '}' | '<' | '>' | '[' | ']'
-%%% | '*' | '::=' | ':' | ',' | '-'
-%%% | {name, string()}
-%%% | {tag, atom()}
-%%% | {number, integer() >= 0}
-%%%
-%%% Tokenize a string. Fails if the string does not parse.
-%%% -----------------------------------------------------------
-
-parse(S) ->
- parse(S, []).
-
-%% parse/2
-
-parse(S, Acc) ->
- acc(split(S), Acc).
-
-acc({T, Rest}, Acc) ->
- parse(Rest, [T | Acc]);
-acc("", Acc) ->
- lists:reverse(Acc).
-
-%%% -----------------------------------------------------------
-%%% # split/2
-%%%
-%%% Output: {list() of Token, Rest}
-%%%
-%%% Extract a specified number of tokens from a string. Returns a list
-%%% of length less than the specified number if there are less than
-%%% this number of tokens to be parsed.
-%%% -----------------------------------------------------------
-
-split(Str, N)
- when N >= 0 ->
- split(N, Str, []).
-
-split(0, Str, Acc) ->
- {lists:reverse(Acc), Str};
-
-split(N, Str, Acc) ->
- case split(Str) of
- {T, Rest} ->
- split(N-1, Rest, [T|Acc]);
- "" = Rest ->
- {lists:reverse(Acc), Rest}
- end.
-
-%%% -----------------------------------------------------------
-%%% # split/1
-%%%
-%%% Output: {Token, Rest} | ""
-%%%
-%%% Extract the next token from a string.
-%%% -----------------------------------------------------------
-
-split("" = Rest) ->
- Rest;
-
-split("::=" ++ T) ->
- {'::=', T};
-
-split([H|T])
- when H == ${; H == $};
- H == $<; H == $>;
- H == $[; H == $];
- H == $*; H == $:; H == $,; H == $- ->
- {list_to_atom([H]), T};
-
-split([H|T]) when $A =< H, H =< $Z;
- $0 =< H, H =< $9 ->
- {P, Rest} = splitwith(fun is_name_ch/1, [H], T),
- Tok = try
- {number, read_int(P)}
- catch
- error:_ ->
- {name, P}
- end,
- {Tok, Rest};
-
-split([H|T]) when $a =< H, H =< $z ->
- {P, Rest} = splitwith(fun is_name_ch/1, [H], T),
- {{tag, list_to_atom(P)}, Rest};
-
-split([H|T]) when H == $\t;
- H == $\s;
- H == $\n ->
- split(T).
-
-%% read_int/1
-
-read_int([$0,X|S])
- when X == $X;
- X == $x ->
- {ok, [N], []} = io_lib:fread("~16u", S),
- N;
-
-read_int(S) ->
- list_to_integer(S).
-
-%% splitwith/3
-
-splitwith(Fun, Acc, S) ->
- split([] /= S andalso Fun(hd(S)), Fun, Acc, S).
-
-split(true, Fun, Acc, [H|T]) ->
- splitwith(Fun, [H|Acc], T);
-split(false, _, Acc, S) ->
- {lists:reverse(Acc), S}.
-
-is_name_ch(C) ->
- is_alphanum(C) orelse C == $- orelse C == $_.
-
-is_alphanum(C) ->
- is_lower(C) orelse is_upper(C) orelse is_digit(C).
-
-is_lower(C) ->
- $a =< C andalso C =< $z.
-
-is_upper(C) ->
- $A =< C andalso C =< $Z.
-
-is_digit(C) ->
- $0 =< C andalso C =< $9.