aboutsummaryrefslogtreecommitdiffstats
path: root/lib/tools
diff options
context:
space:
mode:
Diffstat (limited to 'lib/tools')
-rw-r--r--lib/tools/src/xref_reader.erl25
-rw-r--r--lib/tools/test/cover_SUITE.erl31
-rw-r--r--lib/tools/test/cover_SUITE_data/otp_6115/f1.erl11
-rw-r--r--lib/tools/test/xref_SUITE.erl87
-rw-r--r--lib/tools/test/xref_SUITE_data/fun_mfa_r14.beambin0 -> 1116 bytes
-rw-r--r--lib/tools/test/xref_SUITE_data/fun_mfa_r14.erl18
6 files changed, 134 insertions, 38 deletions
diff --git a/lib/tools/src/xref_reader.erl b/lib/tools/src/xref_reader.erl
index d22f0df164..92f0c45c7b 100644
--- a/lib/tools/src/xref_reader.erl
+++ b/lib/tools/src/xref_reader.erl
@@ -158,15 +158,20 @@ expr({'try',_Line,Es,Scs,Ccs,As}, S) ->
S2 = clauses(Scs, S1),
S3 = clauses(Ccs, S2),
expr(As, S3);
-expr({call, Line,
- {remote, _, {atom,_,erlang}, {atom,_,make_fun}},
- [{atom,_,Mod}, {atom,_,Fun}, {integer,_,Arity}]}, S) ->
- %% Added in R10B-6. M:F/A.
- expr({'fun', Line, {function, Mod, Fun, Arity}}, S);
-expr({'fun', Line, {function, Mod, Name, Arity}}, S) ->
- %% Added in R10B-6. M:F/A.
+expr({'fun', Line, {function, {atom,_,Mod},
+ {atom,_,Name},
+ {integer,_,Arity}}}, S) ->
+ %% New format in R15. M:F/A (literals).
As = lists:duplicate(Arity, {atom, Line, foo}),
external_call(Mod, Name, As, Line, false, S);
+expr({'fun', Line, {function, Mod, Name, {integer,_,Arity}}}, S) ->
+ %% New format in R15. M:F/A (one or more variables).
+ As = lists:duplicate(Arity, {atom, Line, foo}),
+ external_call(erlang, apply, [Mod, Name, list2term(As)], Line, true, S);
+expr({'fun', Line, {function, Mod, Name, _Arity}}, S) ->
+ %% New format in R15. M:F/A (one or more variables).
+ As = {var, Line, '_'},
+ external_call(erlang, apply, [Mod, Name, As], Line, true, S);
expr({'fun', Line, {function, Name, Arity}, _Extra}, S) ->
%% Added in R8.
handle_call(local, S#xrefr.module, Name, Arity, Line, S);
@@ -286,10 +291,10 @@ check_funarg(W, ArgsList, Line, S) ->
expr(ArgsList, S1).
funarg({'fun', _, _Clauses, _Extra}, _S) -> true;
-funarg({var, _, Var}, S) -> member(Var, S#xrefr.funvars);
-funarg({call,_,{remote,_,{atom,_,erlang},{atom,_,make_fun}},_MFA}, _S) ->
- %% R10B-6. M:F/A.
+funarg({'fun', _, {function,_,_,_}}, _S) ->
+ %% New abstract format for fun M:F/A in R15.
true;
+funarg({var, _, Var}, S) -> member(Var, S#xrefr.funvars);
funarg(_, _S) -> false.
fun_args(apply2, [FunArg, Args]) -> {FunArg, Args};
diff --git a/lib/tools/test/cover_SUITE.erl b/lib/tools/test/cover_SUITE.erl
index fe7f92de78..881a3c2997 100644
--- a/lib/tools/test/cover_SUITE.erl
+++ b/lib/tools/test/cover_SUITE.erl
@@ -583,21 +583,14 @@ otp_6115_1(Config) ->
%% called -- running cover compiled code when there is no cover
%% server and thus no ets tables to bump counters in, makes no
%% sense.
- ?line Pid1 = f1:start_fail(),
-
- %% If f1 is cover compiled, a process P is started with a
- %% reference to the fun created in start_ok/0, and
- %% cover:stop() is called, then P should survive.
- %% This is because (the fun held by) P always references the current
- %% version of the module, and is thus not affected by the cover
- %% compiled version being unloaded.
- ?line Pid2 = f1:start_ok(),
+ Pid1 = f1:start_a(),
+ Pid2 = f1:start_b(),
%% Now stop cover
?line cover:stop(),
- %% Ensure that f1 is loaded (and not cover compiled), that Pid1
- %% is dead and Pid2 is alive, but with no reference to old code
+ %% Ensure that f1 is loaded (and not cover compiled), and that
+ %% both Pid1 and Pid2 are dead.
case code:which(f1) of
Beam when is_list(Beam) ->
ok;
@@ -608,19 +601,15 @@ otp_6115_1(Config) ->
undefined ->
ok;
_PI1 ->
- RefToOldP = erlang:check_process_code(Pid1, f1),
- ?line ?t:fail({"Pid1 still alive", RefToOldP})
+ RefToOldP1 = erlang:check_process_code(Pid1, f1),
+ ?t:fail({"Pid1 still alive", RefToOldP1})
end,
case process_info(Pid2) of
- PI2 when is_list(PI2) ->
- case erlang:check_process_code(Pid2, f2) of
- false ->
- ok;
- true ->
- ?line ?t:fail("Pid2 has ref to old code")
- end;
undefined ->
- ?line ?t:fail("Pid2 has died")
+ ok;
+ _PI2 ->
+ RefToOldP2 = erlang:check_process_code(Pid1, f2),
+ ?t:fail({"Pid2 still alive", RefToOldP2})
end,
?line file:set_cwd(CWD),
diff --git a/lib/tools/test/cover_SUITE_data/otp_6115/f1.erl b/lib/tools/test/cover_SUITE_data/otp_6115/f1.erl
index b659e5d818..5399b33f19 100644
--- a/lib/tools/test/cover_SUITE_data/otp_6115/f1.erl
+++ b/lib/tools/test/cover_SUITE_data/otp_6115/f1.erl
@@ -1,12 +1,13 @@
-module(f1).
--export([start_fail/0, start_ok/0]).
+-export([start_a/0, start_b/0]).
-start_fail() ->
+start_a() ->
f2:start(fun() ->
- io:format("this does not work\n",[])
+ ok
end).
-start_ok() ->
+start_b() ->
f2:start(fun fun1/0).
+
fun1() ->
- io:format("this works\n",[]).
+ ok.
diff --git a/lib/tools/test/xref_SUITE.erl b/lib/tools/test/xref_SUITE.erl
index 2f83ab4995..e0876381ca 100644
--- a/lib/tools/test/xref_SUITE.erl
+++ b/lib/tools/test/xref_SUITE.erl
@@ -46,7 +46,8 @@
-export([
add/1, default/1, info/1, lib/1, read/1, read2/1, remove/1,
replace/1, update/1, deprecated/1, trycatch/1,
- abstract_modules/1, fun_mfa/1, qlc/1]).
+ abstract_modules/1, fun_mfa/1, fun_mfa_r14/1,
+ fun_mfa_vars/1, qlc/1]).
-export([
analyze/1, basic/1, md/1, q/1, variables/1, unused_locals/1]).
@@ -82,7 +83,7 @@ groups() ->
{files, [],
[add, default, info, lib, read, read2, remove, replace,
update, deprecated, trycatch, abstract_modules, fun_mfa,
- qlc]},
+ fun_mfa_r14, fun_mfa_vars, qlc]},
{analyses, [],
[analyze, basic, md, q, variables, unused_locals]},
{misc, [], [format_error, otp_7423, otp_7831]}].
@@ -1771,6 +1772,88 @@ fun_mfa(Conf) when is_list(Conf) ->
?line ok = file:delete(Beam),
ok.
+%% Same as the previous test case, except that we use a BEAM file
+%% that was compiled by an R14 compiler to test backward compatibility.
+fun_mfa_r14(Conf) when is_list(Conf) ->
+ Dir = ?config(data_dir, Conf),
+ MFile = fname(Dir, "fun_mfa_r14"),
+
+ A = fun_mfa_r14,
+ {ok, _} = xref:start(s),
+ {ok, A} = xref:add_module(s, MFile, {warnings,false}),
+ {ok, [{{{A,t,0},{'$M_EXPR','$F_EXPR',0}},[7]},
+ {{{A,t,0},{A,t,0}},[6]},
+ {{{A,t1,0},{'$M_EXPR','$F_EXPR',0}},[11]},
+ {{{A,t1,0},{A,t,0}},[10]},
+ {{{A,t2,0},{A,t,0}},[14]},
+ {{{A,t3,0},{A,t3,0}},[17]}]} =
+ xref:q(s, "(Lin) E"),
+
+ ok = check_state(s),
+ xref:stop(s),
+
+ ok.
+
+%% fun M:F/A with varibles.
+fun_mfa_vars(Conf) when is_list(Conf) ->
+ Dir = ?copydir,
+ File = fname(Dir, "fun_mfa_vars.erl"),
+ MFile = fname(Dir, "fun_mfa_vars"),
+ Beam = fname(Dir, "fun_mfa_vars.beam"),
+ Test = <<"-module(fun_mfa_vars).
+
+ -export([t/1, t1/1, t2/3]).
+
+ t(Mod) ->
+ F = fun Mod:bar/2,
+ (F)(a, b).
+
+ t1(Name) ->
+ F = fun ?MODULE:Name/1,
+ (F)(a).
+
+ t2(Mod, Name, Arity) ->
+ F = fun Mod:Name/Arity,
+ (F)(a).
+
+ t3(Arity) ->
+ F = fun ?MODULE:t/Arity,
+ (F)(1, 2, 3).
+
+ t4(Mod, Name) ->
+ F = fun Mod:Name/3,
+ (F)(a, b, c).
+
+ t5(Mod, Arity) ->
+ F = fun Mod:t/Arity,
+ (F)().
+ ">>,
+
+ ok = file:write_file(File, Test),
+ A = fun_mfa_vars,
+ {ok, A} = compile:file(File, [report,debug_info,{outdir,Dir}]),
+ {ok, _} = xref:start(s),
+ {ok, A} = xref:add_module(s, MFile, {warnings,false}),
+ {ok, [{{{A,t,1},{'$M_EXPR','$F_EXPR',2}},[7]},
+ {{{A,t,1},{'$M_EXPR',bar,2}},[6]},
+ {{{A,t1,1},{'$M_EXPR','$F_EXPR',1}},[11]},
+ {{{A,t1,1},{A,'$F_EXPR',1}},[10]},
+ {{{A,t2,3},{'$M_EXPR','$F_EXPR',-1}},[14]},
+ {{{A,t2,3},{'$M_EXPR','$F_EXPR',1}},[15]},
+ {{{A,t3,1},{'$M_EXPR','$F_EXPR',3}},[19]},
+ {{{A,t3,1},{fun_mfa_vars,t,-1}},[18]},
+ {{{A,t4,2},{'$M_EXPR','$F_EXPR',3}},[22,23]},
+ {{{A,t5,2},{'$M_EXPR','$F_EXPR',0}},[27]},
+ {{{A,t5,2},{'$M_EXPR',t,-1}},[26]}]} =
+ xref:q(s, "(Lin) E"),
+
+ ok = check_state(s),
+ xref:stop(s),
+
+ ok = file:delete(File),
+ ok = file:delete(Beam),
+ ok.
+
qlc(suite) -> [];
qlc(doc) -> ["OTP-5195: A bug fix when using qlc:q/1,2."];
qlc(Conf) when is_list(Conf) ->
diff --git a/lib/tools/test/xref_SUITE_data/fun_mfa_r14.beam b/lib/tools/test/xref_SUITE_data/fun_mfa_r14.beam
new file mode 100644
index 0000000000..4645525690
--- /dev/null
+++ b/lib/tools/test/xref_SUITE_data/fun_mfa_r14.beam
Binary files differ
diff --git a/lib/tools/test/xref_SUITE_data/fun_mfa_r14.erl b/lib/tools/test/xref_SUITE_data/fun_mfa_r14.erl
new file mode 100644
index 0000000000..293bd83a8b
--- /dev/null
+++ b/lib/tools/test/xref_SUITE_data/fun_mfa_r14.erl
@@ -0,0 +1,18 @@
+-module(fun_mfa_r14).
+
+-export([t/0, t1/0, t2/0, t3/0]).
+
+t() ->
+ F = fun ?MODULE:t/0,
+ (F)().
+
+t1() ->
+ F = fun t/0,
+ (F)().
+
+t2() ->
+ fun ?MODULE:t/0().
+
+t3() ->
+ fun t3/0().
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-19 09:17:04 +0000