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authorStavros Aronis <[email protected]>2012-03-13 17:27:50 +0100
committerStavros Aronis <[email protected]>2012-03-14 23:33:29 +0100
commit3cc9dc31c5935168051286d524618b2b64795498 (patch)
tree1e9e98ede5098929ee7bbbc5bb47d0bcb687e2ff /lib/dialyzer
parentc6a8074bf0e81a97cdd924943f1ad53ea2a05520 (diff)
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Ensure that -on_load functions are not reported as unused
Diffstat (limited to 'lib/dialyzer')
-rw-r--r--lib/dialyzer/src/dialyzer_analysis_callgraph.erl8
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/on_load.erl11
2 files changed, 16 insertions, 3 deletions
diff --git a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
index 9b279b012d..5be870d78f 100644
--- a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
+++ b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
@@ -365,9 +365,11 @@ abs_get_nowarn(Abs, M) ->
false ->
[{M, F, A} || {function, _, F, A, _} <- Abs]; % all functions
true ->
- [{M, F, A} ||
- {nowarn_unused_function, FAs} <- Opts,
- {F, A} <- lists:flatten([FAs])]
+ OnLoad =
+ lists:flatten([{M, F, A} || {attribute, _, on_load, {F, A}} <- Abs]),
+ OnLoad ++ [{M, F, A} ||
+ {nowarn_unused_function, FAs} <- Opts,
+ {F, A} <- lists:flatten([FAs])]
end.
get_exported_types_from_core(Core) ->
diff --git a/lib/dialyzer/test/small_SUITE_data/src/on_load.erl b/lib/dialyzer/test/small_SUITE_data/src/on_load.erl
new file mode 100644
index 0000000000..16533a9caa
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/on_load.erl
@@ -0,0 +1,11 @@
+%%% This is to ensure that "on_load" functions are never reported as unused.
+
+-module(on_load).
+
+-export([foo/0]).
+
+-on_load(bar/0).
+
+foo() -> ok.
+
+bar() -> ok.