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-rw-r--r--lib/asn1/src/asn1ct_parser2.erl321
1 files changed, 62 insertions, 259 deletions
diff --git a/lib/asn1/src/asn1ct_parser2.erl b/lib/asn1/src/asn1ct_parser2.erl
index 287201dbad..65868642e6 100644
--- a/lib/asn1/src/asn1ct_parser2.erl
+++ b/lib/asn1/src/asn1ct_parser2.erl
@@ -180,10 +180,11 @@ parse_SymbolsFromModuleList(Tokens) ->
parse_SymbolsFromModuleList(Tokens,Acc) ->
{SymbolsFromModule,Rest} = parse_SymbolsFromModule(Tokens),
- case (catch parse_SymbolsFromModule(Rest)) of
+ try parse_SymbolsFromModule(Rest) of
{Sl,_Rest2} when is_record(Sl,'SymbolsFromModule') ->
- parse_SymbolsFromModuleList(Rest,[SymbolsFromModule|Acc]);
- _ ->
+ parse_SymbolsFromModuleList(Rest,[SymbolsFromModule|Acc])
+ catch
+ throw:{asn1_error,_} ->
{lists:reverse([SymbolsFromModule|Acc]),Rest}
end.
@@ -284,15 +285,12 @@ parse_Assignment(Tokens) ->
fun parse_ObjectSetAssignment/1,
fun parse_ParameterizedAssignment/1,
fun parse_ValueSetTypeAssignment/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- {asn1_assignment_error,Reason} ->
- throw({asn1_error,Reason});
- Result ->
+ try parse_or(Tokens, Flist) of
+ {_,_}=Result ->
Result
+ catch
+ throw:{asn1_assignment_error,Reason} ->
+ throw({asn1_error,Reason})
end.
@@ -361,14 +359,7 @@ parse_Type(Tokens) ->
{Tag,Rest31}
end,
Flist = [fun parse_BuiltinType/1,fun parse_ReferencedType/1,fun parse_TypeWithConstraint/1],
- {Type,Rest5} = case (catch parse_or(Rest4,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_Reason} ->
- throw(AsnErr);
- Result ->
- Result
- end,
+ {Type,Rest5} = parse_or(Rest4, Flist),
case Rest5 of
[{'(',_}|_] ->
{Constraints,Rest6} = parse_Constraints(Rest5),
@@ -686,32 +677,21 @@ parse_ReferencedType(Tokens) ->
Flist = [fun parse_DefinedType/1,
fun parse_SelectionType/1,
fun parse_TypeFromObject/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_DefinedType(Tokens=[{typereference,_,_},{'{',_}|_Rest]) ->
parse_ParameterizedType(Tokens);
parse_DefinedType(Tokens=[{typereference,L1,TypeName},
T2={typereference,_,_},T3={'{',_}|Rest]) ->
- case (catch parse_ParameterizedType(Tokens)) of
- {'EXIT',_Reason} ->
- Rest2 = [T2,T3|Rest],
- {#type{def = #'Externaltypereference'{pos=L1,
- module=resolve_module(TypeName),
- type=TypeName}},Rest2};
- {asn1_error,_} ->
+ try parse_ParameterizedType(Tokens) of
+ {_,_}=Result ->
+ Result
+ catch
+ throw:{asn1_error,_} ->
Rest2 = [T2,T3|Rest],
{#type{def = #'Externaltypereference'{pos=L1,
module=resolve_module(TypeName),
- type=TypeName}},Rest2};
- Result ->
- Result
+ type=TypeName}},Rest2}
end;
parse_DefinedType(Tokens=[{typereference,_L1,_Module},{'.',_},
{typereference,_,_TypeName},{'{',_}|_Rest]) ->
@@ -799,14 +779,7 @@ parse_Constraint(Tokens) ->
parse_ConstraintSpec(Tokens) ->
Flist = [fun parse_GeneralConstraint/1,
fun parse_SubtypeConstraint/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- {asn1_error,Reason2} ->
- throw({asn1_error,Reason2});
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_ExceptionSpec([LPar={')',_}|Rest]) ->
{undefined,[LPar|Rest]};
@@ -820,14 +793,7 @@ parse_ExceptionIdentification(Tokens) ->
Flist = [fun parse_SignedNumber/1,
fun parse_DefinedValue/1,
fun parse_TypeColonValue/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- {asn1_error,Reason2} ->
- throw({asn1_error,Reason2});
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_TypeColonValue(Tokens) ->
{Type,Rest} = parse_Type(Tokens),
@@ -952,19 +918,7 @@ parse_Elements(Tokens) ->
% fun parse_Type/1,
fun parse_Object/1,
fun parse_DefinedObjectSet/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- Err = {asn1_error,_} ->
- throw(Err);
- Result = {Val,_} when is_record(Val,type) ->
- Result;
-
- Result ->
- Result
- end.
-
-
+ parse_or(Tokens, Flist).
%% --------------------------
@@ -997,14 +951,7 @@ parse_ObjectClass(Tokens) ->
Flist = [fun parse_DefinedObjectClass/1,
fun parse_ObjectClassDefn/1,
fun parse_ParameterizedObjectClass/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- {asn1_error,Reason2} ->
- throw({asn1_error,Reason2});
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_ObjectClassDefn([{'CLASS',_},{'{',_}|Rest]) ->
{Type,Rest2} = parse_FieldSpec(Rest),
@@ -1025,11 +972,7 @@ parse_FieldSpec(Tokens,Acc) ->
fun parse_VariableTypeValueSetFieldSpec/1,
fun parse_TypeFieldSpec/1,
fun parse_ObjectSetFieldSpec/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
+ case parse_or(Tokens, Flist) of
{Type,[{'}',_}|Rest]} ->
{lists:reverse([Type|Acc]),Rest};
{Type,[{',',_}|Rest2]} ->
@@ -1052,16 +995,10 @@ parse_FieldName(Tokens) ->
{Field,Rest} = parse_PrimitiveFieldName(Tokens),
parse_FieldName(Rest,[Field]).
-parse_FieldName([{'.',_}|Rest],Acc) ->
- case (catch parse_PrimitiveFieldName(Rest)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- {FieldName,Rest2} ->
- parse_FieldName(Rest2,[FieldName|Acc])
- end;
-parse_FieldName(Tokens,Acc) ->
+parse_FieldName([{'.',_}|Rest0],Acc) ->
+ {FieldName,Rest1} = parse_PrimitiveFieldName(Rest0),
+ parse_FieldName(Rest1, [FieldName|Acc]);
+parse_FieldName(Tokens, Acc) ->
{lists:reverse(Acc),Tokens}.
parse_FixedTypeValueFieldSpec([{valuefieldreference,L1,VFieldName}|Rest]) ->
@@ -1243,14 +1180,7 @@ parse_SyntaxList(Tokens,Acc) ->
parse_TokenOrGroupSpec(Tokens) ->
Flist = [fun parse_RequiredToken/1,
fun parse_OptionalGroup/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_RequiredToken([{typereference,L1,WordName}|Rest]) ->
case is_word(WordName) of
@@ -1321,26 +1251,12 @@ parse_Object(Tokens) ->
fun parse_ObjectFromObject/1,
fun parse_ParameterizedObject/1,
fun parse_DefinedObject/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_ObjectDefn(Tokens) ->
Flist=[fun parse_DefaultSyntax/1,
fun parse_DefinedSyntax/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_DefaultSyntax([{'{',_},{'}',_}|Rest]) ->
{{object,defaultsyntax,[]},Rest};
@@ -1393,17 +1309,9 @@ parse_DefinedSyntaxToken([{',',L1}|Rest]) ->
%% Should also be able to parse a parameterized type. It may be
%% impossible to distinguish between a parameterized type and a Literal
%% followed by an object set.
-parse_DefinedSyntaxToken(Tokens=[{typereference,L1,_Name},{T,_}|_Rest])
- when T == '.'; T == '(' ->
- case catch parse_Setting(Tokens) of
- {asn1_error,_} ->
- throw({asn1_error,{L1,get(asn1_module),
- [got,hd(Tokens), expected,['Word',setting]]}});
- {'EXIT',Reason} ->
- exit(Reason);
- Result ->
- Result
- end;
+parse_DefinedSyntaxToken([{typereference,_,_Name},{T,_}|_]=Tokens)
+ when T =:= '.'; T =:= '(' ->
+ parse_Setting(Tokens);
parse_DefinedSyntaxToken(Tokens=[TRef={typereference,L1,Name}|Rest]) ->
case is_word(Name) of
false ->
@@ -1418,13 +1326,12 @@ parse_DefinedSyntaxToken(Tokens=[TRef={typereference,L1,Name}|Rest]) ->
{{word_or_setting,L1,tref2Exttref(TRef)},Rest}
end;
parse_DefinedSyntaxToken(Tokens) ->
- case catch parse_Setting(Tokens) of
- {asn1_error,_} ->
- parse_Word(Tokens);
- {'EXIT',Reason} ->
- exit(Reason);
- Result ->
+ try parse_Setting(Tokens) of
+ {_,_}=Result ->
Result
+ catch
+ throw:{asn1_error,_} ->
+ parse_Word(Tokens)
end.
lookahead_definedsyntax([{typereference,_,Name}|_Rest]) ->
@@ -1451,14 +1358,12 @@ parse_Setting(Tokens) ->
{value_tag,fun parse_Value/1},
{object_tag,fun parse_Object/1},
{objectset_tag,fun parse_ObjectSet/1}],
- case (catch parse_or_tag(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result = {{value_tag,_},_} ->
+ case parse_or_tag(Tokens, Flist) of
+ {{value_tag,_},_}=Result ->
+ %% Keep the value_tag.
Result;
{{Tag,Setting},Rest} when is_atom(Tag) ->
+ %% Remove all other tags.
{Setting,Rest}
end.
@@ -1552,14 +1457,7 @@ parse_ObjectSetElements(Tokens) ->
%fun parse_DefinedObjectSet/1,
fun parse_ObjectSetFromObjects/1,
fun parse_ParameterizedObjectSet/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_ObjectClassFieldType(Tokens) ->
{Class,Rest} = parse_DefinedObjectClass(Tokens),
@@ -1633,14 +1531,7 @@ parse_ReferencedObjects(Tokens) ->
fun parse_DefinedObjectSet/1,
fun parse_ParameterizedObject/1,
fun parse_ParameterizedObjectSet/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_ValueFromObject(Tokens) ->
{Objects,Rest} = parse_ReferencedObjects(Tokens),
@@ -1732,14 +1623,7 @@ parse_GeneralConstraint(Tokens) ->
Flist = [fun parse_UserDefinedConstraint/1,
fun parse_TableConstraint/1,
fun parse_ContentsConstraint/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_UserDefinedConstraint([{'CONSTRAINED',_},{'BY',_},{'{',_},{'}',_}|Rest])->
{{constrained_by,[]},Rest};
@@ -1764,11 +1648,7 @@ parse_UserDefinedConstraintParameter(Tokens) ->
parse_UserDefinedConstraintParameter(Tokens,Acc) ->
Flist = [fun parse_GovernorAndActualParameter/1,
fun parse_ActualParameter/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
+ case parse_or(Tokens, Flist) of
{Result,Rest} ->
case Rest of
[{',',_}|_Rest2] ->
@@ -1792,14 +1672,7 @@ parse_GovernorAndActualParameter(Tokens) ->
parse_TableConstraint(Tokens) ->
Flist = [fun parse_ComponentRelationConstraint/1,
fun parse_SimpleTableConstraint/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_SimpleTableConstraint(Tokens) ->
{ObjectSet,Rest} = parse_ObjectSet(Tokens),
@@ -1885,14 +1758,7 @@ parse_ContentsConstraint(Tokens) ->
parse_Governor(Tokens) ->
Flist = [fun parse_Type/1,
fun parse_DefinedObjectClass/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_ActualParameter(Tokens) ->
Flist = [fun parse_Type/1,
@@ -1901,14 +1767,7 @@ parse_ActualParameter(Tokens) ->
fun parse_DefinedObjectClass/1,
fun parse_Object/1,
fun parse_ObjectSet/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_ParameterizedAssignment(Tokens) ->
Flist = [fun parse_ParameterizedTypeAssignment/1,
@@ -1917,16 +1776,7 @@ parse_ParameterizedAssignment(Tokens) ->
fun parse_ParameterizedObjectClassAssignment/1,
fun parse_ParameterizedObjectAssignment/1,
fun parse_ParameterizedObjectSetAssignment/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- AsnAssErr = {asn1_assignment_error,_} ->
- throw(AsnAssErr);
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
%% parse_ParameterizedTypeAssignment(Tokens) -> Result
%% Result = {#ptypedef{},Rest} | throw()
@@ -2070,14 +1920,7 @@ parse_ParameterList(Tokens,Acc) ->
parse_Parameter(Tokens) ->
Flist = [fun parse_ParamGovAndRef/1,
fun parse_Reference/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_ParamGovAndRef(Tokens) ->
{ParamGov,Rest} = parse_ParamGovernor(Tokens),
@@ -2093,14 +1936,7 @@ parse_ParamGovAndRef(Tokens) ->
parse_ParamGovernor(Tokens) ->
Flist = [fun parse_Governor/1,
fun parse_Reference/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
% parse_ParameterizedReference(Tokens) ->
% {Ref,Rest} = parse_Reference(Tokens),
@@ -2648,11 +2484,7 @@ parse_NamedNumberList(Tokens,Acc) ->
parse_NamedNumber([{identifier,_,Name},{'(',_}|Rest]) ->
Flist = [fun parse_SignedNumber/1,
fun parse_DefinedValue/1],
- case (catch parse_or(Rest,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
+ case parse_or(Rest, Flist) of
{NamedNum,[{')',_}|Rest2]} ->
{{'NamedNumber',Name,NamedNum},Rest2};
_ ->
@@ -2701,15 +2533,7 @@ parse_Value(Tokens) ->
Flist = [fun parse_BuiltinValue/1,
fun parse_ValueFromObject/1,
fun parse_DefinedValue/1],
-
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result ->
- Result
- end.
+ parse_or(Tokens, Flist).
parse_BuiltinValue([{bstring,_,Bstr}|Rest]) ->
{{bstring,Bstr},Rest};
@@ -2722,14 +2546,7 @@ parse_BuiltinValue(Tokens = [{'{',_}|_Rest]) ->
fun parse_SequenceOfValue/1,
fun parse_SequenceValue/1,
fun parse_ObjectIdentifierValue/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- Result ->
- Result
- end;
+ parse_or(Tokens, Flist);
parse_BuiltinValue([{identifier,_,IdName},{':',_}|Rest]) ->
{Value,Rest2} = parse_Value(Rest),
{{'CHOICE',{IdName,Value}},Rest2};
@@ -2841,15 +2658,9 @@ parse_ValueAssignment([{identifier,L1,IdName}|Rest]) ->
case Rest2 of
[{'::=',_}|Rest3] ->
{Value,Rest4} = parse_Value(Rest3),
- case catch lookahead_assignment(Rest4) of
- ok ->
- {#valuedef{pos=L1,name=IdName,type=Type,value=Value,
- module=get(asn1_module)},Rest4};
- Error ->
- throw(Error)
-%% throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module),
-%% [got,get_token(hd(Rest2)),expected,'::=']}})
- end;
+ lookahead_assignment(Rest4),
+ {#valuedef{pos=L1,name=IdName,type=Type,value=Value,
+ module=get(asn1_module)},Rest4};
_ ->
throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module),
[got,get_token(hd(Rest2)),expected,'::=']}})
@@ -2901,12 +2712,8 @@ parse_SubtypeElements(Tokens) ->
fun parse_Value/1,
fun parse_MIN/1,
fun parse_Type/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- {asn1_error,Reason} ->
- throw(Reason);
- Result = {Val,_} when is_record(Val,type) ->
+ case parse_or(Tokens, Flist) of
+ {#type{},_}=Result ->
Result;
{Lower,[{'..',_}|Rest]} ->
{Upper,Rest2} = parse_UpperEndpoint(Rest),
@@ -2937,12 +2744,8 @@ parse_UpperEndpoint(Tokens) ->
parse_UpperEndpoint(Lt,Tokens) ->
Flist = [fun parse_MAX/1,
fun parse_Value/1],
- case (catch parse_or(Tokens,Flist)) of
- {'EXIT',Reason} ->
- exit(Reason);
- AsnErr = {asn1_error,_} ->
- throw(AsnErr);
- {Value,Rest2} when Lt == lt ->
+ case parse_or(Tokens, Flist) of
+ {Value,Rest2} when Lt =:= lt ->
{{lt,Value},Rest2};
{Value,Rest2} ->
{Value,Rest2}
@@ -3083,5 +2886,5 @@ identifier2Extvalueref(#identifier{pos=Pos,val=Name}) ->
lookahead_assignment([{'END',_}|_Rest]) ->
ok;
lookahead_assignment(Tokens) ->
- parse_Assignment(Tokens),
+ {_,_} = parse_Assignment(Tokens),
ok.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 06:34:51 +0000