diff options
Diffstat (limited to 'lib/dialyzer/src/dialyzer_callgraph.erl')
-rw-r--r-- | lib/dialyzer/src/dialyzer_callgraph.erl | 48 |
1 files changed, 39 insertions, 9 deletions
diff --git a/lib/dialyzer/src/dialyzer_callgraph.erl b/lib/dialyzer/src/dialyzer_callgraph.erl index a1cd2015ca..ede29b42bc 100644 --- a/lib/dialyzer/src/dialyzer_callgraph.erl +++ b/lib/dialyzer/src/dialyzer_callgraph.erl @@ -2,7 +2,7 @@ %%----------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2014. All Rights Reserved. +%% Copyright Ericsson AB 2006-2015. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -96,15 +96,22 @@ %% whenever applicable. %%----------------------------------------------------------------------------- +%% Types with comment 'race' are due to dialyzer_races.erl. -record(callgraph, {digraph = digraph:new() :: digraph:graph(), - active_digraph :: active_digraph(), - esc :: ets:tid(), - letrec_map :: ets:tid(), + active_digraph :: active_digraph() + | 'undefined', % race + esc :: ets:tid() + | 'undefined', % race + letrec_map :: ets:tid() + | 'undefined', % race name_map :: ets:tid(), rev_name_map :: ets:tid(), - rec_var_map :: ets:tid(), - self_rec :: ets:tid(), - calls :: ets:tid(), + rec_var_map :: ets:tid() + | 'undefined', % race + self_rec :: ets:tid() + | 'undefined', % race + calls :: ets:tid() + | 'undefined', % race race_detection = false :: boolean(), race_data_server = new_race_data_server() :: pid()}). @@ -478,14 +485,37 @@ 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 -> |