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-rw-r--r--lib/dialyzer/doc/src/notes.xml26
-rw-r--r--lib/dialyzer/src/dialyzer_contracts.erl4
-rw-r--r--lib/dialyzer/test/r9c_SUITE_data/src/mnesia/mnesia_tm.erl2
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/chars6
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/extra_range4
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/chars.erl18
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/extra_range.erl59
-rw-r--r--lib/dialyzer/vsn.mk2
8 files changed, 111 insertions, 10 deletions
diff --git a/lib/dialyzer/doc/src/notes.xml b/lib/dialyzer/doc/src/notes.xml
index a1eecfb3fe..8d11252bff 100644
--- a/lib/dialyzer/doc/src/notes.xml
+++ b/lib/dialyzer/doc/src/notes.xml
@@ -32,6 +32,32 @@
<p>This document describes the changes made to the Dialyzer
application.</p>
+<section><title>Dialyzer 3.2.4</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p> Fix bugs concerning <c>erlang:abs/1</c> and
+ <c>erlang:bsl/2</c>. </p>
+ <p>
+ Own Id: OTP-14858 Aux Id: ERL-551 </p>
+ </item>
+ <item>
+ <p> Fix a bug that caused Dialyzer to crash instead of
+ emitting a warning. </p>
+ <p>
+ Own Id: OTP-14911</p>
+ </item>
+ <item>
+ <p> Fix a bug concerning parameterized opaque types. </p>
+ <p>
+ Own Id: OTP-14925 Aux Id: ERL-565 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Dialyzer 3.2.3</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl
index e72c1aecfc..0df15e55f9 100644
--- a/lib/dialyzer/src/dialyzer_contracts.erl
+++ b/lib/dialyzer/src/dialyzer_contracts.erl
@@ -197,6 +197,10 @@ check_contracts(Contracts, Callgraph, FunTypes, ModOpaques) ->
false ->
[{MFA, Contract}|NewContracts]
end;
+ {error, {extra_range, _, _}} ->
+ %% do not treat extra range as an error in this check
+ %% since that prevents discovering other actual errors
+ [{MFA, Contract}|NewContracts];
{error, _Error} -> NewContracts
end;
error -> NewContracts
diff --git a/lib/dialyzer/test/r9c_SUITE_data/src/mnesia/mnesia_tm.erl b/lib/dialyzer/test/r9c_SUITE_data/src/mnesia/mnesia_tm.erl
index 09e310530d..af49ceff72 100644
--- a/lib/dialyzer/test/r9c_SUITE_data/src/mnesia/mnesia_tm.erl
+++ b/lib/dialyzer/test/r9c_SUITE_data/src/mnesia/mnesia_tm.erl
@@ -2051,7 +2051,7 @@ display_pid_info(Pid) ->
Other
end,
Reds = fetch(reductions, Info),
- LM = length(fetch(messages, Info)),
+ LM = fetch(message_queue_len, Info),
pformat(io_lib:format("~p", [Pid]),
io_lib:format("~p", [Call]),
io_lib:format("~p", [Curr]), Reds, LM)
diff --git a/lib/dialyzer/test/small_SUITE_data/results/chars b/lib/dialyzer/test/small_SUITE_data/results/chars
index 2c1f8f8d17..72fbdb4528 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/chars
+++ b/lib/dialyzer/test/small_SUITE_data/results/chars
@@ -1,4 +1,4 @@
-chars.erl:29: Invalid type specification for function chars:f/1. The success typing is (#{'b':=50}) -> 'ok'
-chars.erl:32: Function t1/0 has no local return
-chars.erl:32: The call chars:f(#{'b':=50}) breaks the contract (#{'a':=49,'b'=>50,'c'=>51}) -> 'ok'
+chars.erl:37: Invalid type specification for function chars:f/1. The success typing is (#{'b':=50}) -> 'ok'
+chars.erl:40: Function t1/0 has no local return
+chars.erl:40: The call chars:f(#{'b':=50}) breaks the contract (#{'a':=49,'b'=>50,'c'=>51}) -> 'ok'
diff --git a/lib/dialyzer/test/small_SUITE_data/results/extra_range b/lib/dialyzer/test/small_SUITE_data/results/extra_range
new file mode 100644
index 0000000000..ec50c95c4e
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/results/extra_range
@@ -0,0 +1,4 @@
+
+extra_range.erl:29: The pattern 'ok' can never match the type 'error'
+extra_range.erl:43: The pattern 'no' can never match the type 'maybe' | 'yes'
+extra_range.erl:58: The pattern 'maybe' can never match the type 'no' | 'yes'
diff --git a/lib/dialyzer/test/small_SUITE_data/src/chars.erl b/lib/dialyzer/test/small_SUITE_data/src/chars.erl
index 1e9c8ab6b9..62b90cf54d 100644
--- a/lib/dialyzer/test/small_SUITE_data/src/chars.erl
+++ b/lib/dialyzer/test/small_SUITE_data/src/chars.erl
@@ -12,17 +12,25 @@
-spec t() -> $0-$0..$9-$0| $?.
t() ->
- c(#r{f = $z - 3}),
+ r(#r{f = $z - 3}),
+ r(#r{f = 97}),
+ c($/),
c($z - 3),
c($B).
-spec c(cs()) -> $3-$0..$9-$0.
-
-c($A + 1) -> 2;
+c($A + 1) -> $9-$0;
c(C) ->
case C of
- $z - 3 -> 3;
- #r{f = $z - 3} -> 7
+ $z - 3 -> $3-$0;
+ _ -> $7-$0
+ end.
+
+-spec r(#r{f :: $a..$z}) -> ok | error.
+r(R) ->
+ case R of
+ #r{f = $z - 3} -> error;
+ _ -> ok
end.
%% Display contract with character in warning:
diff --git a/lib/dialyzer/test/small_SUITE_data/src/extra_range.erl b/lib/dialyzer/test/small_SUITE_data/src/extra_range.erl
new file mode 100644
index 0000000000..9d6ba89c95
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/extra_range.erl
@@ -0,0 +1,59 @@
+%% Test that a spec containing more items than actually returned
+%% (whether by accident or by benign overspeccing) does not prevent
+%% detection of impossible matches.
+
+-module(extra_range).
+
+-export([t1/2, t2/2, t3/2, t4/2]).
+
+-dialyzer([no_return]).
+
+%% this spec matches the behaviour of the code
+-spec normal(integer()) -> ok | error.
+normal(1) -> ok;
+normal(2) -> error.
+
+t1(X, Y) when is_integer(X), is_integer(Y) ->
+ ok = normal(X),
+ error = normal(Y),
+ ok.
+
+
+%% this spec has a typo, which should cause anyone trying to match on
+%% `ok = typo(X)' to get a warning, because `ok' is not in the spec
+-spec typo(integer()) -> ook | error.
+typo(1) -> ok;
+typo(2) -> error.
+
+t2(X, Y) when is_integer(X), is_integer(Y) ->
+ ok = typo(X), % warning expected - not allowed according to spec
+ error = typo(Y),
+ ok.
+
+
+%% this is overspecified, and should cause a warning for trying
+%% to match on `no = over(X)', because it cannot succeed and either
+%% the spec should be updated or the code should be extended
+-spec over(integer()) -> yes | no | maybe.
+over(1) -> yes;
+over(_) -> maybe.
+
+t3(X, Y) when is_integer(X), is_integer(Y) ->
+ yes = over(X),
+ no = over(Y), % warning expected - spec or code needs fixing
+ maybe = over(X + Y),
+ ok.
+
+
+%% this is underspecified, which should cause anyone trying to match on
+%% `maybe = under(X)' to get a warning, because `maybe' is not in the spec
+-spec under(integer()) -> yes | no.
+under(1) -> yes;
+under(2) -> no;
+under(_) -> maybe.
+
+t4(X, Y) when is_integer(X), is_integer(Y) ->
+ yes = under(X),
+ no = under(Y),
+ maybe = under(X + Y), % warning expected - not in spec
+ ok.
diff --git a/lib/dialyzer/vsn.mk b/lib/dialyzer/vsn.mk
index 1b46f66602..fa58adc2db 100644
--- a/lib/dialyzer/vsn.mk
+++ b/lib/dialyzer/vsn.mk
@@ -1 +1 @@
-DIALYZER_VSN = 3.2.3
+DIALYZER_VSN = 3.2.4
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 10:26:51 +0000