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-rw-r--r--lib/edoc/src/edoc_scanner.erl22
1 files changed, 15 insertions, 7 deletions
diff --git a/lib/edoc/src/edoc_scanner.erl b/lib/edoc/src/edoc_scanner.erl
index d3dff64682..9d2e6f3aed 100644
--- a/lib/edoc/src/edoc_scanner.erl
+++ b/lib/edoc/src/edoc_scanner.erl
@@ -3,24 +3,24 @@
%% 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 via the world wide web 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.
-%%
+%%
%% The Initial Developer of the Original Code is Ericsson Utvecklings
%% AB. Portions created by Ericsson are Copyright 1999, Ericsson
%% Utvecklings AB. All Rights Reserved.''
%%
-%% $Id$
+%% $Id: $
%%
%% @private
%% @copyright Richard Carlsson 2001-2003. Portions created by Ericsson
%% are Copyright 1999, Ericsson Utvecklings AB. All Rights Reserved.
%% @author Richard Carlsson <[email protected]>
%% @see edoc
-%% @end
+%% @end
%% @doc Tokeniser for EDoc. Based on the Erlang standard library module
%% {@link //stdlib/erl_scan}.
@@ -139,13 +139,21 @@ scan1([$"|Cs0], Toks, Pos) -> % String
scan_error({illegal, string}, Pos)
end;
%% Punctuation characters and operators, first recognise multiples.
+scan1([$<,$<|Cs], Toks, Pos) ->
+ scan1(Cs, [{'<<',Pos}|Toks], Pos);
+scan1([$>,$>|Cs], Toks, Pos) ->
+ scan1(Cs, [{'>>',Pos}|Toks], Pos);
scan1([$-,$>|Cs], Toks, Pos) ->
scan1(Cs, [{'->',Pos}|Toks], Pos);
scan1([$:,$:|Cs], Toks, Pos) ->
scan1(Cs, [{'::',Pos}|Toks], Pos);
scan1([$/,$/|Cs], Toks, Pos) ->
scan1(Cs, [{'//',Pos}|Toks], Pos);
-scan1([C|Cs], Toks, Pos) -> % Punctuation character
+scan1([$.,$.,$.|Cs], Toks, Pos) ->
+ scan1(Cs, [{'...',Pos}|Toks], Pos);
+scan1([$.,$.|Cs], Toks, Pos) ->
+ scan1(Cs, [{'..',Pos}|Toks], Pos);
+scan1([C|Cs], Toks, Pos) -> % Punctuation character
P = list_to_atom([C]),
scan1(Cs, [{P,Pos}|Toks], Pos);
scan1([], Toks0, _Pos) ->
@@ -158,7 +166,7 @@ scan_variable(C, Cs, Toks, Pos) ->
W = [C|reverse(Wcs)],
case W of
"_" ->
- scan_error({illegal,token}, Pos);
+ scan1(Cs1, [{an_var,Pos,'_'}|Toks], Pos);
_ ->
case catch list_to_atom(W) of
A when is_atom(A) ->
@@ -318,7 +326,7 @@ scan_integer(Cs, Stack, Pos) ->
scan_after_int([$.,C|Cs0], Ncs0, Toks, SPos, CPos) when C >= $0, C =< $9 ->
{Ncs,Cs,CPos1} = scan_integer(Cs0, [C,$.|Ncs0], CPos),
- scan_after_fraction(Cs, Ncs, Toks, SPos, CPos1);
+ scan_after_fraction(Cs, Ncs, Toks, SPos, CPos1);
scan_after_int(Cs, Ncs, Toks, SPos, CPos) ->
N = list_to_integer(reverse(Ncs)),
scan1(Cs, [{integer,SPos,N}|Toks], CPos).