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-rw-r--r--lib/asn1/src/asn1ct_gen_check.erl191
1 files changed, 129 insertions, 62 deletions
diff --git a/lib/asn1/src/asn1ct_gen_check.erl b/lib/asn1/src/asn1ct_gen_check.erl
index abe77dd0cb..ccc62a3ce3 100644
--- a/lib/asn1/src/asn1ct_gen_check.erl
+++ b/lib/asn1/src/asn1ct_gen_check.erl
@@ -21,45 +21,51 @@
%%
-module(asn1ct_gen_check).
--export([emit/3]).
+-export([emit/4]).
-import(asn1ct_gen, [emit/1]).
-include("asn1_records.hrl").
-emit(Type, Default, Value) ->
+emit(Gen, Type, Default, Value) ->
Key = {Type,Default},
- Gen = fun(Fd, Name) ->
- file:write(Fd, gen(Name, Type, Default))
- end,
+ DoGen = fun(Fd, Name) ->
+ file:write(Fd, gen(Gen, Name, Type, Default))
+ end,
emit(" case "),
- asn1ct_func:call_gen("is_default_", Key, Gen, [Value]),
+ asn1ct_func:call_gen("is_default_", Key, DoGen, [Value]),
emit([" of",nl,
"true -> {[],0};",nl,
"false ->",nl]).
-gen(Name, #type{def=T}, Default) ->
+gen(#gen{pack=Pack}=Gen, Name, #type{def=T}, Default) ->
+ DefMarker = case Pack of
+ record -> "asn1_DEFAULT";
+ map -> atom_to_list(?MISSING_IN_MAP)
+ end,
NameStr = atom_to_list(Name),
- [NameStr,"(asn1_DEFAULT) ->\n",
- "true;\n"|case do_gen(T, Default) of
- {literal,Literal} ->
- [NameStr,"(",term2str(Literal),") ->\n","true;\n",
- NameStr,"(_) ->\n","false.\n\n"];
- {exception,Func,Args} ->
- [NameStr,"(Value) ->\n",
- "try ",Func,"(Value",arg2str(Args),") of\n",
- "_ -> true\n"
- "catch throw:false -> false\n"
- "end.\n\n"]
- end].
+ [NameStr,"(",DefMarker,") ->\n",
+ "true;\n"|
+ case do_gen(Gen, T, Default) of
+ {literal,Literal} ->
+ [NameStr,"(Def) when Def =:= ",term2str(Literal)," ->\n",
+ "true;\n",
+ NameStr,"(_) ->\n","false.\n\n"];
+ {exception,Func,Args} ->
+ [NameStr,"(Value) ->\n",
+ "try ",Func,"(Value",arg2str(Args),") of\n",
+ "_ -> true\n"
+ "catch throw:false -> false\n"
+ "end.\n\n"]
+ end].
-do_gen(_, asn1_NOVALUE) ->
+do_gen(_Gen, _, asn1_NOVALUE) ->
{literal,asn1_NOVALUE};
-do_gen(#'Externaltypereference'{module=M,type=T}, Default) ->
+do_gen(Gen, #'Externaltypereference'{module=M,type=T}, Default) ->
#typedef{typespec=#type{def=Td}} = asn1_db:dbget(M, T),
- do_gen(Td, Default);
-do_gen('BOOLEAN', Default) ->
+ do_gen(Gen, Td, Default);
+do_gen(_Gen, 'BOOLEAN', Default) ->
{literal,Default};
-do_gen({'BIT STRING',[]}, Default) ->
+do_gen(_Gen, {'BIT STRING',[]}, Default) ->
true = is_bitstring(Default), %Assertion.
case asn1ct:use_legacy_types() of
false ->
@@ -67,17 +73,17 @@ do_gen({'BIT STRING',[]}, Default) ->
true ->
{exception,need(check_legacy_bitstring, 2),[Default]}
end;
-do_gen({'BIT STRING',[_|_]=NBL}, Default) ->
+do_gen(_Gen, {'BIT STRING',[_|_]=NBL}, Default) ->
do_named_bitstring(NBL, Default);
-do_gen({'ENUMERATED',_}, Default) ->
+do_gen(_Gen, {'ENUMERATED',_}, Default) ->
{literal,Default};
-do_gen('INTEGER', Default) ->
+do_gen(_Gen, 'INTEGER', Default) ->
{literal,Default};
-do_gen({'INTEGER',NNL}, Default) ->
+do_gen(_Gen, {'INTEGER',NNL}, Default) ->
{exception,need(check_int, 3),[Default,NNL]};
-do_gen('NULL', Default) ->
+do_gen(_Gen, 'NULL', Default) ->
{literal,Default};
-do_gen('OCTET STRING', Default) ->
+do_gen(_Gen, 'OCTET STRING', Default) ->
true = is_binary(Default), %Assertion.
case asn1ct:use_legacy_types() of
false ->
@@ -85,34 +91,34 @@ do_gen('OCTET STRING', Default) ->
true ->
{exception,need(check_octetstring, 2),[Default]}
end;
-do_gen('OBJECT IDENTIFIER', Default0) ->
+do_gen(_Gen, 'OBJECT IDENTIFIER', Default0) ->
Default = pre_process_oid(Default0),
{exception,need(check_objectidentifier, 2),[Default]};
-do_gen({'CHOICE',Cs}, Default) ->
+do_gen(Gen, {'CHOICE',Cs}, Default) ->
{Tag,Value} = Default,
[Type] = [Type || #'ComponentType'{name=T,typespec=Type} <- Cs,
T =:= Tag],
- case do_gen(Type#type.def, Value) of
+ case do_gen(Gen, Type#type.def, Value) of
{literal,Lit} ->
{literal,{Tag,Lit}};
{exception,Func0,Args} ->
Key = {Tag,Func0,Args},
- Gen = fun(Fd, Name) ->
- S = gen_choice(Name, Tag, Func0, Args),
- ok = file:write(Fd, S)
+ DoGen = fun(Fd, Name) ->
+ S = gen_choice(Name, Tag, Func0, Args),
+ ok = file:write(Fd, S)
end,
- Func = asn1ct_func:call_gen("is_default_choice", Key, Gen),
+ Func = asn1ct_func:call_gen("is_default_choice", Key, DoGen),
{exception,atom_to_list(Func),[]}
end;
-do_gen(#'SEQUENCE'{components=Cs}, Default) ->
- do_seq_set(Cs, Default);
-do_gen({'SEQUENCE OF',Type}, Default) ->
- do_sof(Type, Default);
-do_gen(#'SET'{components=Cs}, Default) ->
- do_seq_set(Cs, Default);
-do_gen({'SET OF',Type}, Default) ->
- do_sof(Type, Default);
-do_gen(Type, Default) ->
+do_gen(Gen, #'SEQUENCE'{components=Cs}, Default) ->
+ do_seq_set(Gen, Cs, Default);
+do_gen(Gen, {'SEQUENCE OF',Type}, Default) ->
+ do_sof(Gen, Type, Default);
+do_gen(Gen, #'SET'{components=Cs}, Default) ->
+ do_seq_set(Gen, Cs, Default);
+do_gen(Gen, {'SET OF',Type}, Default) ->
+ do_sof(Gen, Type, Default);
+do_gen(_Gen, Type, Default) ->
case asn1ct_gen:unify_if_string(Type) of
restrictedstring ->
{exception,need(check_restrictedstring, 2),[Default]};
@@ -136,39 +142,58 @@ do_named_bitstring(_, Default) when is_bitstring(Default) ->
end,
{exception,need(Func, 3),[Default,bit_size(Default)]}.
-do_seq_set(Cs0, Default) ->
+do_seq_set(#gen{pack=record}=Gen, Cs0, Default) ->
Tag = element(1, Default),
Cs1 = [T || #'ComponentType'{typespec=T} <- Cs0],
- Cs = components(Cs1, tl(tuple_to_list(Default))),
+ Cs = components(Gen, Cs1, tl(tuple_to_list(Default))),
case are_all_literals(Cs) of
true ->
Literal = list_to_tuple([Tag|[L || {literal,L} <- Cs]]),
{literal,Literal};
false ->
Key = {Cs,Default},
- Gen = fun(Fd, Name) ->
- S = gen_components(Name, Tag, Cs),
- ok = file:write(Fd, S)
- end,
- Func = asn1ct_func:call_gen("is_default_cs_", Key, Gen),
+ DoGen = fun(Fd, Name) ->
+ S = gen_components(Name, Tag, Cs),
+ ok = file:write(Fd, S)
+ end,
+ Func = asn1ct_func:call_gen("is_default_cs_", Key, DoGen),
+ {exception,atom_to_list(Func),[]}
+ end;
+do_seq_set(#gen{pack=map}=Gen, Cs0, Default) ->
+ Cs1 = [{N,T} || #'ComponentType'{name=N,typespec=T} <- Cs0],
+ Cs = map_components(Gen, Cs1, Default),
+ AllLiterals = lists:all(fun({_,{literal,_}}) -> true;
+ ({_,_}) -> false
+ end, Cs),
+ case AllLiterals of
+ true ->
+ L = [{Name,Lit} || {Name,{literal,Lit}} <- Cs],
+ {literal,maps:from_list(L)};
+ false ->
+ Key = {Cs,Default},
+ DoGen = fun(Fd, Name) ->
+ S = gen_map_components(Name, Cs),
+ ok = file:write(Fd, S)
+ end,
+ Func = asn1ct_func:call_gen("is_default_cs_", Key, DoGen),
{exception,atom_to_list(Func),[]}
end.
-do_sof(Type, Default0) ->
+do_sof(Gen, Type, Default0) ->
Default = lists:sort(Default0),
Cs0 = lists:duplicate(length(Default), Type),
- Cs = components(Cs0, Default),
+ Cs = components(Gen, Cs0, Default),
case are_all_literals(Cs) of
true ->
Literal = [Lit || {literal,Lit} <- Cs],
{exception,need(check_literal_sof, 2),[Literal]};
false ->
Key = Cs,
- Gen = fun(Fd, Name) ->
- S = gen_sof(Name, Cs),
- ok = file:write(Fd, S)
+ DoGen = fun(Fd, Name) ->
+ S = gen_sof(Name, Cs),
+ ok = file:write(Fd, S)
end,
- Func = asn1ct_func:call_gen("is_default_sof", Key, Gen),
+ Func = asn1ct_func:call_gen("is_default_sof", Key, DoGen),
{exception,atom_to_list(Func),[]}
end.
@@ -199,6 +224,39 @@ gen_cs_2([], _) ->
"throw(false)\n"
"end.\n"].
+gen_map_components(Name, Cs) ->
+ [atom_to_list(Name),"(Value) ->\n",
+ "case Value of\n",
+ "#{"|gen_map_cs_1(Cs, 1, "", [])].
+
+gen_map_cs_1([{Name,{literal,Lit}}|T], I, Sep, Acc) ->
+ Var = "E"++integer_to_list(I),
+ G = Var ++ " =:= " ++ term2str(Lit),
+ [Sep,term2str(Name),":=",Var|
+ gen_map_cs_1(T, I+1, ",\n", [{guard,G}|Acc])];
+gen_map_cs_1([{Name,Exc}|T], I, Sep, Acc) ->
+ Var = "E"++integer_to_list(I),
+ [Sep,term2str(Name),":=",Var|
+ gen_map_cs_1(T, I+1, ",\n", [{exc,{Var,Exc}}|Acc])];
+gen_map_cs_1([], _, _, Acc) ->
+ G = lists:join(", ", [S || {guard,S} <- Acc]),
+ Exc = [E || {exc,E} <- Acc],
+ Body = gen_map_cs_2(Exc, ""),
+ case G of
+ [] ->
+ ["} ->\n"|Body];
+ [_|_] ->
+ ["} when ",G," ->\n"|Body]
+ end.
+
+gen_map_cs_2([{Var,{exception,Func,Args}}|T], Sep) ->
+ [Sep,Func,"(",Var,arg2str(Args),")"|gen_map_cs_2(T, ",\n")];
+gen_map_cs_2([], _) ->
+ [";\n",
+ "_ ->\n"
+ "throw(false)\n"
+ "end.\n"].
+
gen_sof(Name, Cs) ->
[atom_to_list(Name),"(Value) ->\n",
"case length(Value) of\n",
@@ -221,9 +279,18 @@ gen_sof_1([{exception,Func,Args}|Cs], I) ->
gen_sof_1([], _) ->
".\n".
-components([#type{def=Def}|Ts], [V|Vs]) ->
- [do_gen(Def, V)|components(Ts, Vs)];
-components([], []) -> [].
+components(Gen, [#type{def=Def}|Ts], [V|Vs]) ->
+ [do_gen(Gen, Def, V)|components(Gen, Ts, Vs)];
+components(_Gen, [], []) -> [].
+
+map_components(Gen, [{Name,#type{def=Def}}|Ts], Value) ->
+ case maps:find(Name, Value) of
+ {ok,V} ->
+ [{Name,do_gen(Gen, Def, V)}|map_components(Gen, Ts, Value)];
+ error ->
+ map_components(Gen, Ts, Value)
+ end;
+map_components(_Gen, [], _Value) -> [].
gen_choice(Name, Tag, Func, Args) ->
NameStr = atom_to_list(Name),