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-rw-r--r--lib/dialyzer/src/dialyzer_callgraph.erl120
1 files changed, 52 insertions, 68 deletions
diff --git a/lib/dialyzer/src/dialyzer_callgraph.erl b/lib/dialyzer/src/dialyzer_callgraph.erl
index 385f5621d6..9eba64dd57 100644
--- a/lib/dialyzer/src/dialyzer_callgraph.erl
+++ b/lib/dialyzer/src/dialyzer_callgraph.erl
@@ -92,12 +92,12 @@
-record(callgraph, {digraph = digraph:new() :: digraph(),
active_digraph :: digraph(),
- esc = sets:new() :: set() | ets:tid(),
- name_map = dict:new() :: dict() | ets:tid(),
- rev_name_map = dict:new() :: dict() | ets:tid(),
- rec_var_map = dict:new() :: dict() | ets:tid(),
- self_rec = sets:new() :: set() | ets:tid(),
- calls = dict:new() :: dict() | ets:tid(),
+ esc :: ets:tid(),
+ name_map :: ets:tid(),
+ rev_name_map :: ets:tid(),
+ rec_var_map :: ets:tid(),
+ self_rec :: ets:tid(),
+ calls :: ets:tid(),
race_detection = false :: boolean(),
race_data_server = new_race_data_server() :: pid()}).
@@ -115,7 +115,16 @@
-spec new() -> callgraph().
new() ->
- #callgraph{}.
+ [ETSEsc, ETSNameMap, ETSRevNameMap, ETSRecVarMap, ETSSelfRec, ETSCalls] =
+ [ets:new(N,[public]) ||
+ N <- [callgraph_esc, callgraph_name_map, callgraph_rev_name_map,
+ callgraph_rec_var_map, callgraph_self_rec, callgraph_calls]],
+ #callgraph{esc = ETSEsc,
+ name_map = ETSNameMap,
+ rev_name_map = ETSRevNameMap,
+ rec_var_map = ETSRecVarMap,
+ self_rec = ETSSelfRec,
+ calls = ETSCalls}.
-spec mini_callgraph(callgraph()) -> callgraph().
@@ -299,32 +308,9 @@ create_module_digraph([], MDG) ->
-spec finalize(callgraph()) -> {[scc()], callgraph()}.
-finalize(#callgraph{digraph = DG,
- esc = Esc,
- name_map = NameMap,
- rev_name_map = RevNameMap,
- rec_var_map = RecVarMap,
- self_rec = SelfRec,
- calls = Calls
- } = CG) ->
- [ETSEsc, ETSNameMap, ETSRevNameMap, ETSRecVarMap, ETSSelfRec, ETSCalls] =
- [ets:new(N,[public]) ||
- N <- [callgraph_esc, callgraph_name_map, callgraph_rev_name_map,
- callgraph_rec_var_map, callgraph_self_rec, callgraph_calls]],
- [true,true] = [ets:insert(ETS, [{E} || E <- sets:to_list(Data)]) ||
- {ETS, Data} <- [{ETSEsc, Esc}, {ETSSelfRec, SelfRec}]],
- [true, true, true, true] =
- [ets:insert(ETS, dict:to_list(Data)) ||
- {ETS, Data} <- [{ETSNameMap, NameMap}, {ETSRevNameMap, RevNameMap},
- {ETSRecVarMap, RecVarMap}, {ETSCalls, Calls}]],
+finalize(#callgraph{digraph = DG} = CG) ->
{ActiveDG, Postorder} = digraph_finalize(DG),
- {Postorder, CG#callgraph{active_digraph = ActiveDG,
- esc = ETSEsc,
- name_map = ETSNameMap,
- rev_name_map = ETSRevNameMap,
- rec_var_map = ETSRecVarMap,
- self_rec = ETSSelfRec,
- calls = ETSCalls}}.
+ {Postorder, CG#callgraph{active_digraph = ActiveDG}}.
-spec reset_from_funs([mfa_or_funlbl()], callgraph()) -> {[scc()], callgraph()}.
@@ -367,34 +353,34 @@ ets_lookup_set(Key, Table) ->
-spec scan_core_tree(cerl:c_module(), callgraph()) -> callgraph().
-scan_core_tree(Tree, #callgraph{calls = OldCalls,
- esc = OldEsc,
- name_map = OldNameMap,
- rec_var_map = OldRecVarMap,
- rev_name_map = OldRevNameMap,
- self_rec = OldSelfRec} = CG) ->
+scan_core_tree(Tree, #callgraph{calls = ETSCalls,
+ esc = ETSEsc,
+ name_map = ETSNameMap,
+ rec_var_map = ETSRecVarMap,
+ rev_name_map = ETSRevNameMap,
+ self_rec = ETSSelfRec} = CG) ->
%% Build name map and recursion variable maps.
- {NewNameMap, NewRevNameMap, NewRecVarMap} =
- build_maps(Tree, OldRecVarMap, OldNameMap, OldRevNameMap),
+ build_maps(Tree, ETSRecVarMap, ETSNameMap, ETSRevNameMap),
%% First find the module-local dependencies.
{Deps0, EscapingFuns, Calls} = dialyzer_dep:analyze(Tree),
- NewCalls = dict:merge(fun(_Key, Val, Val) -> Val end, OldCalls, Calls),
- NewEsc = sets:union(sets:from_list(EscapingFuns), OldEsc),
+ true = ets:insert(ETSCalls, dict:to_list(Calls)),
+ true = ets:insert(ETSEsc, [{E} || E <- EscapingFuns]),
+
LabelEdges = get_edges_from_deps(Deps0),
%% Find the self recursive functions. Named functions get both the
%% key and their name for convenience.
SelfRecs0 = lists:foldl(fun({Key, Key}, Acc) ->
- case dict:find(Key, NewNameMap) of
+ case ets_lookup_dict(Key, ETSNameMap) of
error -> [Key|Acc];
{ok, Name} -> [Key, Name|Acc]
end;
(_, Acc) -> Acc
end, [], LabelEdges),
- SelfRecs = sets:union(sets:from_list(SelfRecs0), OldSelfRec),
+ true = ets:insert(ETSSelfRec, [{S} || S <- SelfRecs0]),
- NamedEdges1 = name_edges(LabelEdges, NewNameMap),
+ NamedEdges1 = name_edges(LabelEdges, ETSNameMap),
%% We need to scan for inter-module calls since these are not tracked
%% by dialyzer_dep. Note that the caller is always recorded as the
@@ -413,27 +399,25 @@ scan_core_tree(Tree, #callgraph{calls = OldCalls,
NewNamedEdges1 =
[E || {From, To} = E <- NamedEdges1, From =/= top, To =/= top],
NamedEdges3 = NewNamedEdges1 ++ NewNamedEdges2,
- CG1 = add_edges(NamedEdges3, Names3, CG),
- CG1#callgraph{calls = NewCalls,
- esc = NewEsc,
- name_map = NewNameMap,
- rec_var_map = NewRecVarMap,
- rev_name_map = NewRevNameMap,
- self_rec = SelfRecs}.
-
-build_maps(Tree, RecVarMap, NameMap, RevNameMap) ->
+ add_edges(NamedEdges3, Names3, CG).
+
+build_maps(Tree, ETSRecVarMap, ETSNameMap, ETSRevNameMap) ->
%% We only care about the named (top level) functions. The anonymous
%% functions will be analysed together with their parents.
Defs = cerl:module_defs(Tree),
Mod = cerl:atom_val(cerl:module_name(Tree)),
- lists:foldl(fun({Var, Function}, {AccNameMap, AccRevNameMap, AccRecVarMap}) ->
- FunName = cerl:fname_id(Var),
- Arity = cerl:fname_arity(Var),
- MFA = {Mod, FunName, Arity},
- {dict:store(get_label(Function), MFA, AccNameMap),
- dict:store(MFA, get_label(Function), AccRevNameMap),
- dict:store(get_label(Var), MFA, AccRecVarMap)}
- end, {NameMap, RevNameMap, RecVarMap}, Defs).
+ Fun =
+ fun({Var, Function}) ->
+ FunName = cerl:fname_id(Var),
+ Arity = cerl:fname_arity(Var),
+ MFA = {Mod, FunName, Arity},
+ FunLabel = get_label(Function),
+ VarLabel = get_label(Var),
+ true = ets:insert(ETSNameMap, {FunLabel, MFA}),
+ true = ets:insert(ETSRevNameMap, {MFA, FunLabel}),
+ true = ets:insert(ETSRecVarMap, {VarLabel, MFA})
+ end,
+ lists:foreach(Fun, Defs).
get_edges_from_deps(Deps) ->
%% Convert the dependencies as produced by dialyzer_dep to a list of
@@ -446,22 +430,22 @@ get_edges_from_deps(Deps) ->
end, [], Deps),
lists:flatten(Edges).
-name_edges(Edges, NameMap) ->
+name_edges(Edges, ETSNameMap) ->
%% If a label is present in the name map it is renamed. Otherwise
%% keep the label as the identity.
MapFun = fun(X) ->
- case dict:find(X, NameMap) of
+ case ets_lookup_dict(X, ETSNameMap) of
error -> X;
{ok, MFA} -> MFA
end
end,
- name_edges(Edges, MapFun, NameMap, []).
+ name_edges(Edges, MapFun, []).
-name_edges([{From, To}|Left], MapFun, NameMap, Acc) ->
+name_edges([{From, To}|Left], MapFun, Acc) ->
NewFrom = MapFun(From),
NewTo = MapFun(To),
- name_edges(Left, MapFun, NameMap, [{NewFrom, NewTo}|Acc]);
-name_edges([], _MapFun, _NameMap, Acc) ->
+ name_edges(Left, MapFun, [{NewFrom, NewTo}|Acc]);
+name_edges([], _MapFun, Acc) ->
Acc.
scan_core_funs(Tree) ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-21 12:54:30 +0000