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-rw-r--r--lib/diameter/doc/src/diameter_dict.xml6
-rw-r--r--lib/diameter/src/compiler/diameter_codegen.erl61
-rw-r--r--lib/diameter/src/compiler/diameter_spec_util.erl50
3 files changed, 84 insertions, 33 deletions
diff --git a/lib/diameter/doc/src/diameter_dict.xml b/lib/diameter/doc/src/diameter_dict.xml
index 749b518a06..e7c530f1b8 100644
--- a/lib/diameter/doc/src/diameter_dict.xml
+++ b/lib/diameter/doc/src/diameter_dict.xml
@@ -371,7 +371,11 @@ Integer values can be prefixed with 0x to be interpreted as
hexidecimal.</p>
<p>
-Can occur 0 or more times (with different values of Name).</p>
+Can occur 0 or more times (with different values of Name).
+The AVP in question can be defined in an inherited dictionary in order
+to introduce additional values.
+An AVP so extended must be referenced by in a <c>@messages</c> or
+<c>@grouped</c> section.</p>
<p>
Example:</p>
diff --git a/lib/diameter/src/compiler/diameter_codegen.erl b/lib/diameter/src/compiler/diameter_codegen.erl
index 6895f38248..30caebc544 100644
--- a/lib/diameter/src/compiler/diameter_codegen.erl
+++ b/lib/diameter/src/compiler/diameter_codegen.erl
@@ -459,9 +459,10 @@ avp(Spec) ->
Native = get_value(avp_types, Spec),
Custom = get_value(custom_types, Spec),
Imported = get_value(import_avps, Spec),
- avp([{N,T} || {N,_,T,_,_} <- Native], Imported, Custom).
+ Enums = get_value(enums, Spec),
+ avp([{N,T} || {N,_,T,_,_} <- Native], Imported, Custom, Enums).
-avp(Native, Imported, Custom) ->
+avp(Native, Imported, Custom, Enums) ->
Dict = orddict:from_list(Native),
report(native, Dict),
@@ -475,8 +476,8 @@ avp(Native, Imported, Custom) ->
false == lists:member(N, CustomNames)
end,
Native))
- ++ lists:flatmap(fun c_imported_avp/1, Imported)
- ++ lists:flatmap(fun(C) -> c_custom_avp(C, Dict) end, Custom).
+ ++ lists:flatmap(fun(I) -> cs_imported_avp(I, Enums) end, Imported)
+ ++ lists:flatmap(fun(C) -> cs_custom_avp(C, Dict) end, Custom).
c_base_avp({AvpName, T}) ->
{?clause, [?VAR('T'), ?VAR('Data'), ?ATOM(AvpName)],
@@ -492,23 +493,35 @@ base_avp(AvpName, 'Grouped') ->
base_avp(_, Type) ->
?APPLY(diameter_types, Type, [?VAR('T'), ?VAR('Data')]).
-c_imported_avp({Mod, Avps}) ->
- lists:map(fun(A) -> imported_avp(Mod, A) end, Avps).
+cs_imported_avp({Mod, Avps}, Enums) ->
+ lists:map(fun(A) -> imported_avp(Mod, A, Enums) end, Avps).
-imported_avp(_Mod, {AvpName, _, 'Grouped' = T, _, _}) ->
+imported_avp(_Mod, {AvpName, _, 'Grouped' = T, _, _}, _) ->
c_base_avp({AvpName, T});
-imported_avp(Mod, {AvpName, _, _, _, _}) ->
+imported_avp(Mod, {AvpName, _, 'Enumerated' = T, _, _}, Enums) ->
+ case lists:keymember(AvpName, 1, Enums) of
+ true ->
+ c_base_avp({AvpName, T});
+ false ->
+ c_imported_avp(Mod, AvpName)
+ end;
+
+imported_avp(Mod, {AvpName, _, _, _, _}, _) ->
+ c_imported_avp(Mod, AvpName).
+
+c_imported_avp(Mod, AvpName) ->
{?clause, [?VAR('T'), ?VAR('Data'), ?ATOM(AvpName)],
[],
[?APPLY(Mod, avp, [?VAR('T'),
?VAR('Data'),
?ATOM(AvpName)])]}.
-c_custom_avp({Mod, Avps}, Dict) ->
- lists:map(fun(N) -> custom_avp(Mod, N, orddict:fetch(N, Dict)) end, Avps).
+cs_custom_avp({Mod, Avps}, Dict) ->
+ lists:map(fun(N) -> c_custom_avp(Mod, N, orddict:fetch(N, Dict)) end,
+ Avps).
-custom_avp(Mod, AvpName, Type) ->
+c_custom_avp(Mod, AvpName, Type) ->
{?clause, [?VAR('T'), ?VAR('Data'), ?ATOM(AvpName)],
[],
[?APPLY(Mod, AvpName, [?VAR('T'), ?ATOM(Type), ?VAR('Data')])]}.
@@ -521,9 +534,25 @@ f_enumerated_avp(Spec) ->
{?function, enumerated_avp, 3, enumerated_avp(Spec) ++ [?UNEXPECTED(3)]}.
enumerated_avp(Spec) ->
- lists:flatmap(fun c_enumerated_avp/1, get_value(enums, Spec)).
+ Enums = get_value(enums, Spec),
+ lists:flatmap(fun cs_enumerated_avp/1, Enums)
+ ++ lists:flatmap(fun({M,Es}) -> enumerated_avp(M, Es, Enums) end,
+ get_value(import_enums, Spec)).
+
+enumerated_avp(Mod, Es, Enums) ->
+ lists:flatmap(fun({N,_}) ->
+ cs_enumerated_avp(lists:keymember(N, 1, Enums),
+ Mod,
+ N)
+ end,
+ Es).
+
+cs_enumerated_avp(true, Mod, Name) ->
+ [c_imported_avp(Mod, Name)];
+cs_enumerated_avp(false, _, _) ->
+ [].
-c_enumerated_avp({AvpName, Values}) ->
+cs_enumerated_avp({AvpName, Values}) ->
lists:flatmap(fun(V) -> c_enumerated_avp(AvpName, V) end, Values).
c_enumerated_avp(AvpName, {I,_}) ->
@@ -625,10 +654,12 @@ f_empty_value(Spec) ->
{?function, empty_value, 1, empty_value(Spec)}.
empty_value(Spec) ->
+ Imported = lists:flatmap(fun avps/1, get_value(import_enums, Spec)),
Groups = get_value(grouped, Spec)
++ lists:flatmap(fun avps/1, get_value(import_groups, Spec)),
- Enums = get_value(enums, Spec)
- ++ lists:flatmap(fun avps/1, get_value(import_enums, Spec)),
+ Enums = [T || {N,_} = T <- get_value(enums, Spec),
+ not lists:keymember(N, 1, Imported)]
+ ++ Imported,
lists:map(fun c_empty_value/1, Groups ++ Enums)
++ [{?clause, [?VAR('Name')], [], [?CALL(empty, [?VAR('Name')])]}].
diff --git a/lib/diameter/src/compiler/diameter_spec_util.erl b/lib/diameter/src/compiler/diameter_spec_util.erl
index 322d53a199..b60886b678 100644
--- a/lib/diameter/src/compiler/diameter_spec_util.erl
+++ b/lib/diameter/src/compiler/diameter_spec_util.erl
@@ -39,11 +39,11 @@ parse(Path, Options) ->
{ok, B} = file:read_file(Path),
Chunks = chunk(B),
Spec = make_spec(Chunks),
- true = enums_defined(Spec), %% sanity checks
- true = groups_defined(Spec), %%
+ true = groups_defined(Spec), %% sanity checks
true = customs_defined(Spec), %%
Full = import_enums(import_groups(import_avps(insert_codes(Spec),
Options))),
+ true = enums_defined(Full), %% sanity checks
true = v_flags_set(Spec),
Full.
@@ -243,35 +243,48 @@ get_value(Key, Spec) ->
%% with an appropriate type.
enums_defined(Spec) ->
- is_defined(Spec, 'Enumerated', enums).
+ Avps = get_value(avp_types, Spec),
+ Import = get_value(import_enums, Spec),
+ lists:all(fun({N,_}) ->
+ true = enum_defined(N, Avps, Import)
+ end,
+ get_value(enums, Spec)).
-groups_defined(Spec) ->
- is_defined(Spec, 'Grouped', grouped).
+enum_defined(Name, Avps, Import) ->
+ case lists:keyfind(Name, 1, Avps) of
+ {Name, _, 'Enumerated', _, _} ->
+ true;
+ {Name, _, T, _, _} ->
+ ?ERROR({avp_has_wrong_type, Name, 'Enumerated', T});
+ false ->
+ lists:any(fun({_,Is}) -> lists:keymember(Name, 1, Is) end, Import)
+ orelse ?ERROR({avp_not_defined, Name, 'Enumerated'})
+ end.
+%% Note that an AVP is imported only if referenced by a message or
+%% grouped AVP, so the final branch will fail if an enum definition is
+%% extended without this being the case.
-is_defined(Spec, Type, Key) ->
+groups_defined(Spec) ->
Avps = get_value(avp_types, Spec),
- lists:all(fun(T) -> true = is_local(name(Key, T), Type, Avps) end,
- get_value(Key, Spec)).
+ lists:all(fun({N,_,_,_}) -> true = group_defined(N, Avps) end,
+ get_value(grouped, Spec)).
-name(enums, {N,_}) -> N;
-name(grouped, {N,_,_,_}) -> N.
-
-is_local(Name, Type, Avps) ->
+group_defined(Name, Avps) ->
case lists:keyfind(Name, 1, Avps) of
- {Name, _, Type, _, _} ->
+ {Name, _, 'Grouped', _, _} ->
true;
{Name, _, T, _, _} ->
- ?ERROR({avp_has_wrong_type, Name, Type, T});
+ ?ERROR({avp_has_wrong_type, Name, 'Grouped', T});
false ->
- ?ERROR({avp_not_defined, Name, Type})
+ ?ERROR({avp_not_defined, Name, 'Grouped'})
end.
customs_defined(Spec) ->
Avps = get_value(avp_types, Spec),
- lists:all(fun(A) -> true = is_local(A, Avps) end,
+ lists:all(fun(A) -> true = custom_defined(A, Avps) end,
lists:flatmap(fun last/1, get_value(custom_types, Spec))).
-is_local(Name, Avps) ->
+custom_defined(Name, Avps) ->
case lists:keyfind(Name, 1, Avps) of
{Name, _, T, _, _} when T == 'Grouped';
T == 'Enumerated' ->
@@ -510,6 +523,9 @@ choose(false, _, X) -> X.
%% ------------------------------------------------------------------------
%% import_groups/1
%% import_enums/1
+%%
+%% For each inherited module, store the content of imported AVP's of
+%% type grouped/enumerated in a new key.
import_groups(Spec) ->
orddict:store(import_groups, import(grouped, Spec), Spec).
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 00:06:59 +0000