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-rw-r--r--lib/stdlib/src/qlc.erl45
-rw-r--r--lib/stdlib/test/qlc_SUITE.erl85
2 files changed, 92 insertions, 38 deletions
diff --git a/lib/stdlib/src/qlc.erl b/lib/stdlib/src/qlc.erl
index 8c4d835432..20aaa2638c 100644
--- a/lib/stdlib/src/qlc.erl
+++ b/lib/stdlib/src/qlc.erl
@@ -635,14 +635,25 @@ string_to_handle(Str, Options, Bindings) when is_list(Str) ->
badarg ->
erlang:error(badarg, [Str, Options, Bindings]);
[Unique, Cache, MaxLookup, Join, Lookup] ->
- case erl_scan:string(Str) of
+ case erl_scan:string(Str, 1, [text]) of
{ok, Tokens, _} ->
- case erl_parse:parse_exprs(Tokens) of
- {ok, [Expr]} ->
- case qlc_pt:transform_expression(Expr, Bindings) of
+ ScanRes =
+ case lib:extended_parse_exprs(Tokens) of
+ {ok, [Expr0], SBs} ->
+ {ok, Expr0, SBs};
+ {ok, _ExprList, _SBs} ->
+ erlang:error(badarg,
+ [Str, Options, Bindings]);
+ E ->
+ E
+ end,
+ case ScanRes of
+ {ok, Expr, XBs} ->
+ Bs1 = merge_binding_structs(Bindings, XBs),
+ case qlc_pt:transform_expression(Expr, Bs1) of
{ok, {call, _, _QlcQ, Handle}} ->
{value, QLC_lc, _} =
- erl_eval:exprs(Handle, Bindings),
+ erl_eval:exprs(Handle, Bs1),
O = #qlc_opt{unique = Unique,
cache = Cache,
max_lookup = MaxLookup,
@@ -652,8 +663,6 @@ string_to_handle(Str, Options, Bindings) when is_list(Str) ->
{not_ok, [{error, Error} | _]} ->
error(Error)
end;
- {ok, _ExprList} ->
- erlang:error(badarg, [Str, Options, Bindings]);
{error, ErrorInfo} ->
error(ErrorInfo)
end;
@@ -770,6 +779,10 @@ all_selections([{I,Cs} | ICs]) ->
%%% Local functions
%%%
+merge_binding_structs(Bs1, Bs2) ->
+ lists:foldl(fun({N, V}, Bs) -> erl_eval:add_binding(N, V, Bs)
+ end, Bs1, erl_eval:bindings(Bs2)).
+
aux_name1(Name, N, AllNames) ->
SN = name_suffix(Name, N),
case sets:is_element(SN, AllNames) of
@@ -1180,9 +1193,12 @@ abstract1({table, {M, F, As0}}, _NElements, _Depth, Anno)
abstract1({table, TableDesc}, _NElements, _Depth, _A) ->
case io_lib:deep_char_list(TableDesc) of
true ->
- {ok, Tokens, _} = erl_scan:string(lists:flatten(TableDesc++".")),
- {ok, [Expr]} = erl_parse:parse_exprs(Tokens),
- Expr;
+ {ok, Tokens, _} =
+ erl_scan:string(lists:flatten(TableDesc++"."), 1, [text]),
+ {ok, Es, Bs} =
+ lib:extended_parse_exprs(Tokens),
+ [Expr] = lib:subst_values_for_vars(Es, Bs),
+ special(Expr);
false -> % abstract expression
TableDesc
end;
@@ -1210,6 +1226,15 @@ abstract1({list, L}, NElements, Depth, _A) when NElements =:= infinity;
abstract1({list, L}, NElements, Depth, _A) ->
abstract_term(depth(lists:sublist(L, NElements), Depth) ++ '...', 1).
+special({value, _, Thing}) ->
+ abstract_term(Thing);
+special(Tuple) when is_tuple(Tuple) ->
+ list_to_tuple(special(tuple_to_list(Tuple)));
+special([E|Es]) ->
+ [special(E)|special(Es)];
+special(Expr) ->
+ Expr.
+
depth(List, infinity) ->
List;
depth(List, Depth) ->
diff --git a/lib/stdlib/test/qlc_SUITE.erl b/lib/stdlib/test/qlc_SUITE.erl
index 2b5d52287e..5e9e03e410 100644
--- a/lib/stdlib/test/qlc_SUITE.erl
+++ b/lib/stdlib/test/qlc_SUITE.erl
@@ -1240,6 +1240,17 @@ string_to_handle(Config) when is_list(Config) ->
{'EXIT', {no_lookup_to_carry_out, _}} =
(catch qlc:e(qlc:string_to_handle(Q, {lookup,true}, Bs2))),
ets:delete(Ets),
+
+ %% References can be scanned and parsed.
+ E2 = ets:new(test, [bag]),
+ Ref = make_ref(),
+ true = ets:insert(E2, [{Ref,Ref}]),
+ S2 = "[{Val1} || {Ref1, Val1} <- ets:table("++io_lib:write(E2)++"),"
+ "Ref1 =:= Ref].",
+ Bs = erl_eval:add_binding('Ref', Ref, erl_eval:new_bindings()),
+ [{Ref}] = qlc:e(qlc:string_to_handle(S2, [], Bs)),
+ ets:delete(E2),
+
ok.
%% table
@@ -4321,7 +4332,18 @@ ets(Config) when is_list(Config) ->
R = qlc:e(Q),
ets:delete(E),
[] = R">>]
- end
+ end,
+
+ <<"E2 = ets:new(test, [bag]),
+ Ref = make_ref(),
+ true = ets:insert(E2, [{Ref,Ref}]),
+ Q2 = qlc:q([{Val1} ||
+ {Ref1, Val1} <- ets:table(E2),
+ Ref1 =:= Ref]),
+ S = qlc:info(Q2),
+ true = is_list(S),
+ [{Ref}] = qlc:e(Q2),
+ ets:delete(E2)">>
],
@@ -7071,7 +7093,7 @@ otp_12946(Config) when is_list(Config) ->
%% Examples from qlc(3).
manpage(Config) when is_list(Config) ->
-
+ dets:start(),
ok = compile_gb_table(Config),
Ts = [
@@ -7138,11 +7160,14 @@ manpage(Config) when is_list(Config) ->
\" [{X,Z}|{W,Y}] <- V2\n\"
\" ])\n\"
\"end\",
- Info =
+ Info1 =
re:replace(qlc:info(Q),
- \"table\\\\(-*[0-9]*\",
+ \"table\\\\(#Ref<[\\.0-9]*>\",
\"table(_\", [{return,list},global]),
- L = Info,
+ F = fun(C) -> C =/= $\n andalso C =/= $\s end,
+ Info = lists:filter(F, Info1),
+ L1 = lists:filter(F, L),
+ L1 = Info,
ets:delete(E1),
ets:delete(E2)">>,
@@ -7445,10 +7470,10 @@ etsc(F, Opts, Objs) ->
V.
join_info(H) ->
- {qlc, S, Options} = strip_qlc_call(H),
+ {{qlc, S, Options}, Bs} = strip_qlc_call2(H),
%% "Hide" the call to qlc_pt from the test in run_test().
LoadedPT = code:is_loaded(qlc_pt),
- QH = qlc:string_to_handle(S, Options),
+ QH = qlc:string_to_handle(S, Options, Bs),
_ = [unload_pt() || false <- [LoadedPT]], % doesn't take long...
case {join_info_count(H), join_info_count(QH)} of
{N, N} ->
@@ -7458,30 +7483,34 @@ join_info(H) ->
end.
strip_qlc_call(H) ->
+ {Expr, _Bs} = strip_qlc_call2(H),
+ Expr.
+
+strip_qlc_call2(H) ->
S = qlc:info(H, {flat, false}),
- {ok, Tokens, _EndLine} = erl_scan:string(S++"."),
- {ok, [Expr]} = erl_parse:parse_exprs(Tokens),
- case Expr of
- {call,_,{remote,_,{atom,_,qlc},{atom,_,q}},[LC]} ->
- {qlc, lists:flatten([erl_pp:expr(LC), "."]), []};
- {call,_,{remote,_,{atom,_,qlc},{atom,_,q}},[LC, Opts]} ->
- {qlc, lists:flatten([erl_pp:expr(LC), "."]),
- erl_parse:normalise(Opts)};
- {call,_,{remote,_,{atom,_,ets},{atom,_,match_spec_run}},_} ->
- {match_spec, Expr};
- {call,_,{remote,_,{atom,_,M},{atom,_,table}},_} ->
- {table, M, Expr};
- _ ->
- []
- end.
+ {ok, Tokens, _EndLine} = erl_scan:string(S++".", 1, [text]),
+ {ok, [Expr], Bs} = lib:extended_parse_exprs(Tokens),
+ {case Expr of
+ {call,_,{remote,_,{atom,_,qlc},{atom,_,q}},[LC]} ->
+ {qlc, lists:flatten([erl_pp:expr(LC), "."]), []};
+ {call,_,{remote,_,{atom,_,qlc},{atom,_,q}},[LC, Opts]} ->
+ {qlc, lists:flatten([erl_pp:expr(LC), "."]),
+ erl_parse:normalise(Opts)};
+ {call,_,{remote,_,{atom,_,ets},{atom,_,match_spec_run}},_} ->
+ {match_spec, Expr};
+ {call,_,{remote,_,{atom,_,M},{atom,_,table}},_} ->
+ {table, M, Expr};
+ _ ->
+ []
+ end, Bs}.
-record(ji, {nmerge = 0, nlookup = 0, nnested_loop = 0, nkeysort = 0}).
%% Counts join options and (all) calls to qlc:keysort().
join_info_count(H) ->
S = qlc:info(H, {flat, false}),
- {ok, Tokens, _EndLine} = erl_scan:string(S++"."),
- {ok, [Expr]} = erl_parse:parse_exprs(Tokens),
+ {ok, Tokens, _EndLine} = erl_scan:string(S++".", 1, [text]),
+ {ok, [Expr], _Bs} = lib:extended_parse_exprs(Tokens),
#ji{nmerge = Nmerge, nlookup = Nlookup,
nkeysort = NKeysort, nnested_loop = Nnested_loop} =
ji(Expr, #ji{}),
@@ -7524,8 +7553,8 @@ lookup_keys({list,Q,_}, L) ->
lookup_keys({generate,_,Q}, L) ->
lookup_keys(Q, L);
lookup_keys({table,Chars}, L) when is_list(Chars) ->
- {ok, Tokens, _} = erl_scan:string(lists:flatten(Chars++".")),
- {ok, [Expr]} = erl_parse:parse_exprs(Tokens),
+ {ok, Tokens, _} = erl_scan:string(lists:flatten(Chars++"."), 1, [text]),
+ {ok, [Expr], _Bs} = lib:extended_parse_exprs(Tokens),
case Expr of
{call,_,_,[_fun,AKs]} ->
case erl_parse:normalise(AKs) of
@@ -7842,7 +7871,7 @@ run_test(Config, Extra, {cres, Body, Opts, ExpectedCompileReturn}) ->
{module, _} = code:load_abs(AbsFile, Mod),
Ms0 = erlang:process_info(self(),messages),
- Before = {{get(), ets:all(), Ms0}, pps()},
+ Before = {{get(), lists:sort(ets:all()), Ms0}, pps()},
%% Prepare the check that the qlc module does not call qlc_pt.
_ = [unload_pt() || {file, Name} <- [code:is_loaded(qlc_pt)],
@@ -7874,7 +7903,7 @@ run_test(Config, Extra, Body) ->
wait_for_expected(R, {Strict0,PPS0}=Before, SourceFile, Wait) ->
Ms = erlang:process_info(self(),messages),
- After = {_,PPS1} = {{get(), ets:all(), Ms}, pps()},
+ After = {_,PPS1} = {{get(), lists:sort(ets:all()), Ms}, pps()},
case {R, After} of
{ok, Before} ->
ok;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 00:14:31 +0000