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| author | Luca Favatella <[email protected]> | 2015-10-16 00:31:11 +0100 |
|---|---|---|
| committer | Luca Favatella <[email protected]> | 2015-10-27 22:17:53 +0000 |
| commit | 33ddd3f0699cbb4aa9aea2ec7fcf690d5c498c53 (patch) | |
| tree | f1467326cbb4e3c616a04aba5ddac6f3f40617a3 /lib/dialyzer | |
| parent | 7dc9eefa341fbfae0ebc55a88b96a375c611e3a4 (diff) | |
| download | otp-33ddd3f0699cbb4aa9aea2ec7fcf690d5c498c53.tar.gz otp-33ddd3f0699cbb4aa9aea2ec7fcf690d5c498c53.tar.bz2 otp-33ddd3f0699cbb4aa9aea2ec7fcf690d5c498c53.zip | |
Teach Dialyzer call to funs `M:F/A` (literal M, F, A)
Diffstat (limited to 'lib/dialyzer')
| -rw-r--r-- | lib/dialyzer/src/dialyzer_analysis_callgraph.erl | 22 | ||||
| -rw-r--r-- | lib/dialyzer/src/dialyzer_callgraph.erl | 27 | ||||
| -rw-r--r-- | lib/dialyzer/test/small_SUITE_data/results/fun_arity | 2 | ||||
| -rw-r--r-- | lib/dialyzer/test/small_SUITE_data/results/non_existing | 1 |
4 files changed, 50 insertions, 2 deletions
diff --git a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl index c57a22129c..826ac51775 100644 --- a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl +++ b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl @@ -624,6 +624,28 @@ find_call_file_and_line(Tree, MFA) -> MFA -> Ann = cerl:get_ann(SubTree), [{get_file(Ann), get_line(Ann)}|Acc]; + {erlang, make_fun, 3} -> + [CA1, CA2, CA3] = cerl:call_args(SubTree), + case + cerl:is_c_atom(CA1) andalso + cerl:is_c_atom(CA2) andalso + cerl:is_c_int(CA3) + of + true -> + case + {cerl:concrete(CA1), + cerl:concrete(CA2), + cerl:concrete(CA3)} + of + MFA -> + Ann = cerl:get_ann(SubTree), + [{get_file(Ann), get_line(Ann)}|Acc]; + _ -> + Acc + end; + false -> + Acc + end; _ -> Acc end; false -> Acc diff --git a/lib/dialyzer/src/dialyzer_callgraph.erl b/lib/dialyzer/src/dialyzer_callgraph.erl index a1cd2015ca..9e53e171c0 100644 --- a/lib/dialyzer/src/dialyzer_callgraph.erl +++ b/lib/dialyzer/src/dialyzer_callgraph.erl @@ -478,14 +478,37 @@ scan_one_core_fun(TopTree, FunName) -> call -> CalleeM = cerl:call_module(Tree), CalleeF = cerl:call_name(Tree), - A = length(cerl:call_args(Tree)), + CalleeArgs = cerl:call_args(Tree), + A = length(CalleeArgs), case (cerl:is_c_atom(CalleeM) andalso cerl:is_c_atom(CalleeF)) of true -> M = cerl:atom_val(CalleeM), F = cerl:atom_val(CalleeF), case erl_bif_types:is_known(M, F, A) of - true -> Acc; + true -> + case {M, F, A} of + {erlang, make_fun, 3} -> + [CA1, CA2, CA3] = CalleeArgs, + case + cerl:is_c_atom(CA1) andalso + cerl:is_c_atom(CA2) andalso + cerl:is_c_int(CA3) + of + true -> + MM = cerl:atom_val(CA1), + FF = cerl:atom_val(CA2), + AA = cerl:int_val(CA3), + case erl_bif_types:is_known(MM, FF, AA) of + true -> Acc; + false -> [{FunName, {MM, FF, AA}}|Acc] + end; + false -> + Acc + end; + _ -> + Acc + end; false -> [{FunName, {M, F, A}}|Acc] end; false -> diff --git a/lib/dialyzer/test/small_SUITE_data/results/fun_arity b/lib/dialyzer/test/small_SUITE_data/results/fun_arity index 280f5490d0..cc9db65152 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/fun_arity +++ b/lib/dialyzer/test/small_SUITE_data/results/fun_arity @@ -31,5 +31,7 @@ fun_arity.erl:81: Function mfa_ne_1_ko/0 has no local return fun_arity.erl:83: Function mf_ne/1 will never be called fun_arity.erl:89: Fun application will fail since _cor0 :: fun(() -> any()) is not a function of arity 1 fun_arity.erl:89: Function mfa_nd_0_ko/0 has no local return +fun_arity.erl:90: Call to missing or unexported function fun_arity:mf_nd/0 fun_arity.erl:93: Fun application will fail since _cor0 :: fun((_) -> any()) is not a function of arity 0 fun_arity.erl:93: Function mfa_nd_1_ko/0 has no local return +fun_arity.erl:94: Call to missing or unexported function fun_arity:mf_nd/1 diff --git a/lib/dialyzer/test/small_SUITE_data/results/non_existing b/lib/dialyzer/test/small_SUITE_data/results/non_existing index 58da2bfc8b..b0da5998c7 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/non_existing +++ b/lib/dialyzer/test/small_SUITE_data/results/non_existing @@ -1,2 +1,3 @@ +non_existing.erl:12: Call to missing or unexported function lists:non_existing_fun/1 non_existing.erl:9: Call to missing or unexported function lists:non_existing_call/1 |