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author | Kenneth Lundin <kenneth@erlang.org> | 2010-02-19 14:01:57 +0000 |
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committer | Erlang/OTP <otp@erlang.org> | 2010-02-19 14:01:57 +0000 |
commit | 18bd1239bee04427340a44f57f993ea92c264e41 (patch) | |
tree | dbb3031dcd2e446eb457ff7ac5229949517d7557 /lib/asn1/src/asn1ct_parser2.erl | |
parent | 729565dc3f8bcf8829508136498aef6a542840f4 (diff) | |
download | otp-18bd1239bee04427340a44f57f993ea92c264e41.tar.gz otp-18bd1239bee04427340a44f57f993ea92c264e41.tar.bz2 otp-18bd1239bee04427340a44f57f993ea92c264e41.zip |
OTP-8463 Support for EXTENSIBILITY IMPLIED and SET/SEQ OF NamedType is
added.
Diffstat (limited to 'lib/asn1/src/asn1ct_parser2.erl')
-rw-r--r-- | lib/asn1/src/asn1ct_parser2.erl | 232 |
1 files changed, 156 insertions, 76 deletions
diff --git a/lib/asn1/src/asn1ct_parser2.erl b/lib/asn1/src/asn1ct_parser2.erl index 9d2df72f5b..46d7ad6fdb 100644 --- a/lib/asn1/src/asn1ct_parser2.erl +++ b/lib/asn1/src/asn1ct_parser2.erl @@ -1,19 +1,19 @@ %% %% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2000-2009. All Rights Reserved. -%% +%% +%% Copyright Ericsson AB 2000-2010. All Rights Reserved. +%% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in %% compliance with the License. You should have received a copy of the %% Erlang Public License along with this software. If not, it can be %% retrieved online at http://www.erlang.org/. -%% +%% %% Software distributed under the License is distributed on an "AS IS" %% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See %% the License for the specific language governing rights and limitations %% under the License. -%% +%% %% %CopyrightEnd% %% %% @@ -74,8 +74,9 @@ parse_ModuleDefinition([{typereference,L1,ModuleIdentifier}|Rest0]) -> {ExtensionDefault,Rest3} = case Rest2 of [{'EXTENSIBILITY',_L5}, {'IMPLIED',_L6}|Rest21] -> - {'IMPLIED',Rest21}; - _ -> {false,Rest2} + put(extensiondefault,'IMPLIED'),{'IMPLIED',Rest21}; + _ -> + put(extensiondefault,undefined),{undefined,Rest2} end, case Rest3 of [{'::=',_L7}, {'BEGIN',_L8}|Rest4] -> @@ -416,7 +417,7 @@ parse_BuiltinType([{'CHARACTER',_},{'STRING',_}|Rest]) -> {#type{def='CHARACTER STRING'},Rest}; parse_BuiltinType([{'CHOICE',_},{'{',_}|Rest]) -> - {AlternativeTypeLists,Rest2} = parse_AlternativeTypeLists(Rest), + {AlternativeTypeLists,Rest2} = parse_AlternativeTypeLists(Rest,get(extensiondefault)), case Rest2 of [{'}',_}|Rest3] -> {#type{def={'CHOICE',AlternativeTypeLists}},Rest3}; @@ -427,7 +428,7 @@ parse_BuiltinType([{'CHOICE',_},{'{',_}|Rest]) -> parse_BuiltinType([{'EMBEDDED',_},{'PDV',_}|Rest]) -> {#type{def='EMBEDDED PDV'},Rest}; parse_BuiltinType([{'ENUMERATED',_},{'{',_}|Rest]) -> - {Enumerations,Rest2} = parse_Enumerations(Rest), + {Enumerations,Rest2} = parse_Enumerations(Rest,get(extensiondefault)), case Rest2 of [{'}',_}|Rest3] -> {#type{def={'ENUMERATED',Enumerations}},Rest3}; @@ -490,7 +491,8 @@ parse_BuiltinType([{'SEQUENCE',_},{'{',_},{'...',Line},{'!',_}|Rest]) -> ExceptionIdentification}]}}, Rest3}; _ -> - {ComponentTypeLists,Rest3}=parse_ComponentTypeLists2(Rest2,[#'EXTENSIONMARK'{pos=Line}]), + {ComponentTypeLists,Rest3}= + parse_ComponentTypeLists2(Rest2,[#'EXTENSIONMARK'{pos=Line}]), case Rest3 of [{'}',_}|Rest4] -> {#type{def=#'SEQUENCE'{components=ComponentTypeLists}},Rest4}; @@ -506,11 +508,29 @@ parse_BuiltinType([{'SEQUENCE',_},{'{',_}|Rest]) -> {ComponentTypeLists,Rest2} = parse_ComponentTypeLists(Rest), case Rest2 of [{'}',_}|Rest3] -> - {#type{def=#'SEQUENCE'{components=ComponentTypeLists}},Rest3}; + ComponentTypeLists2 = + case {[Ext||Ext = #'EXTENSIONMARK'{} <- ComponentTypeLists], + get(extensiondefault)} of + {[],'IMPLIED'} -> ComponentTypeLists ++ [#'EXTENSIONMARK'{}]; + _ -> ComponentTypeLists + end, + {#type{def=#'SEQUENCE'{components = ComponentTypeLists2}}, + Rest3}; _ -> throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), [got,get_token(hd(Rest2)),expected,'}']}}) end; + +parse_BuiltinType([{'SEQUENCE',_},{'OF',_},Id={identifier,_,_},Lt={'<',_}|Rest]) -> +%% TODO: take care of the identifier for something useful + {Type,Rest2} = parse_SelectionType([Id,Lt|Rest]), + {#type{def={'SEQUENCE OF',#type{def=Type,tag=[]}}},Rest2}; + +parse_BuiltinType([{'SEQUENCE',_},{'OF',_},{identifier,_,_} |Rest]) -> +%% TODO: take care of the identifier for something useful + {Type,Rest2} = parse_Type(Rest), + {#type{def={'SEQUENCE OF',Type}},Rest2}; + parse_BuiltinType([{'SEQUENCE',_},{'OF',_}|Rest]) -> {Type,Rest2} = parse_Type(Rest), {#type{def={'SEQUENCE OF',Type}},Rest2}; @@ -533,11 +553,30 @@ parse_BuiltinType([{'SET',_},{'{',_}|Rest]) -> {ComponentTypeLists,Rest2} = parse_ComponentTypeLists(Rest), case Rest2 of [{'}',_}|Rest3] -> - {#type{def=#'SET'{components=ComponentTypeLists}},Rest3}; + ComponentTypeLists2 = + case {[Ext||Ext = #'EXTENSIONMARK'{} <- ComponentTypeLists], + get(extensiondefault)} of + {[],'IMPLIED'} -> ComponentTypeLists ++ [#'EXTENSIONMARK'{}]; + _ -> ComponentTypeLists + end, + {#type{def=#'SET'{components = ComponentTypeLists2}}, + Rest3}; _ -> throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), [got,get_token(hd(Rest2)),expected,'}']}}) end; + +parse_BuiltinType([{'SET',_},{'OF',_},Id={identifier,_,_},Lt={'<',_}|Rest]) -> +%% TODO: take care of the identifier for something useful + {Type,Rest2} = parse_SelectionType([Id,Lt|Rest]), + {#type{def={'SET OF',#type{def=Type,tag=[]}}},Rest2}; + + +parse_BuiltinType([{'SET',_},{'OF',_},{identifier,_,_}|Rest]) -> +%%TODO: take care of the identifier for something useful + {Type,Rest2} = parse_Type(Rest), + {#type{def={'SET OF',Type}},Rest2}; + parse_BuiltinType([{'SET',_},{'OF',_}|Rest]) -> {Type,Rest2} = parse_Type(Rest), {#type{def={'SET OF',Type}},Rest2}; @@ -563,48 +602,74 @@ parse_BuiltinType(Tokens) -> parse_TypeWithConstraint([{'SEQUENCE',_},Lpar = {'(',_}|Rest]) -> {Constraint,Rest2} = parse_Constraint([Lpar|Rest]), - case Rest2 of - [{'OF',_}|Rest3] -> - {Type,Rest4} = parse_Type(Rest3), - {#type{def = {'SEQUENCE OF',Type}, constraint = merge_constraints([Constraint])},Rest4}; - _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'OF']}}) - end; + Rest4 = case Rest2 of + [{'OF',_}, {identifier,_,_Id}|Rest3] -> +%%% TODO: make some use of the identifier, maybe useful in the XML mapping + Rest3; + [{'OF',_}|Rest3] -> + Rest3; + _ -> + throw({asn1_error, + {get_line(hd(Rest2)),get(asn1_module), + [got,get_token(hd(Rest2)),expected,'OF']}}) + end, + {Type,Rest5} = parse_Type(Rest4), + {#type{def = {'SEQUENCE OF',Type}, + constraint = merge_constraints([Constraint])},Rest5}; + parse_TypeWithConstraint([{'SEQUENCE',_},{'SIZE',_},Lpar = {'(',_}|Rest]) -> {Constraint,Rest2} = parse_Constraint([Lpar|Rest]), #constraint{c=C} = Constraint, Constraint2 = Constraint#constraint{c={'SizeConstraint',C}}, - case Rest2 of - [{'OF',_}|Rest3] -> - {Type,Rest4} = parse_Type(Rest3), - {#type{def = {'SEQUENCE OF',Type}, constraint = merge_constraints([Constraint2])},Rest4}; - _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'OF']}}) - end; + Rest4 = case Rest2 of + [{'OF',_}, {identifier,_,_Id}|Rest3] -> +%%% TODO: make some use of the identifier, maybe useful in the XML mapping + Rest3; + [{'OF',_}|Rest3] -> + Rest3; + _ -> + throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), + [got,get_token(hd(Rest2)),expected,'OF']}}) + end, + {Type,Rest5} = parse_Type(Rest4), + {#type{def = {'SEQUENCE OF',Type}, constraint = merge_constraints([Constraint2])},Rest5}; + parse_TypeWithConstraint([{'SET',_},Lpar = {'(',_}|Rest]) -> {Constraint,Rest2} = parse_Constraint([Lpar|Rest]), - case Rest2 of - [{'OF',_}|Rest3] -> - {Type,Rest4} = parse_Type(Rest3), - {#type{def = {'SET OF',Type}, constraint = merge_constraints([Constraint])},Rest4}; - _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'OF']}}) - end; + Rest4 = case Rest2 of + [{'OF',_}, {identifier,_,_Id}|Rest3] -> +%%% TODO: make some use of the identifier, maybe useful in the XML mapping + Rest3; + [{'OF',_}|Rest3] -> + Rest3; + _ -> + throw({asn1_error, + {get_line(hd(Rest2)),get(asn1_module), + [got,get_token(hd(Rest2)),expected,'OF']}}) + end, + {Type,Rest5} = parse_Type(Rest4), + {#type{def = {'SET OF',Type}, + constraint = merge_constraints([Constraint])},Rest5}; + parse_TypeWithConstraint([{'SET',_},{'SIZE',_},Lpar = {'(',_}|Rest]) -> {Constraint,Rest2} = parse_Constraint([Lpar|Rest]), #constraint{c=C} = Constraint, Constraint2 = Constraint#constraint{c={'SizeConstraint',C}}, - case Rest2 of - [{'OF',_}|Rest3] -> - {Type,Rest4} = parse_Type(Rest3), - {#type{def = {'SET OF',Type}, constraint = merge_constraints([Constraint2])},Rest4}; - _ -> - throw({asn1_error,{get_line(hd(Rest2)),get(asn1_module), - [got,get_token(hd(Rest2)),expected,'OF']}}) - end; + Rest4 = case Rest2 of + [{'OF',_}, {identifier,_,_Id}|Rest3] -> +%%% TODO: make some use of the identifier, maybe useful in the XML mapping + Rest3; + [{'OF',_}|Rest3] -> + Rest3; + _ -> + throw({asn1_error, + {get_line(hd(Rest2)),get(asn1_module), + [got,get_token(hd(Rest2)),expected,'OF']}}) + end, + {Type,Rest5} = parse_Type(Rest4), + {#type{def = {'SET OF',Type}, + constraint = merge_constraints([Constraint2])},Rest5}; + parse_TypeWithConstraint(Tokens) -> throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), [got,get_token(hd(Tokens)),expected, @@ -2259,8 +2324,8 @@ to_set(V) -> ordsets:from_list([V]). -parse_AlternativeTypeLists(Tokens) -> - {AlternativeTypeList,Rest1} = parse_AlternativeTypeList(Tokens), +parse_AlternativeTypeLists(Tokens,ExtensionDefault) -> + {AltTypeList,Rest1} = parse_AlternativeTypeList(Tokens), {ExtensionAndException,Rest2} = case Rest1 of [{',',_},{'...',L1},{'!',_}|Rest12] -> @@ -2272,26 +2337,36 @@ parse_AlternativeTypeLists(Tokens) -> _ -> {[],Rest1} end, - case ExtensionAndException of - [] -> - {AlternativeTypeList,Rest2}; - _ -> - {ExtensionAddition,Rest3} = - case Rest2 of - [{',',_}|Rest23] -> - parse_ExtensionAdditionAlternativeList(Rest23); - _ -> - {[],Rest2} - end, - {OptionalExtensionMarker,Rest4} = - case Rest3 of - [{',',_},{'...',L3}|Rest31] -> - {[#'EXTENSIONMARK'{pos=L3}],Rest31}; - _ -> - {[],Rest3} - end, - {AlternativeTypeList ++ ExtensionAndException ++ ExtensionAddition ++ OptionalExtensionMarker, Rest4} - end. + {AltTypeList2,Rest5} = + case ExtensionAndException of + [] -> + {AltTypeList,Rest2}; + _ -> + {ExtensionAddition,Rest3} = + case Rest2 of + [{',',_}|Rest23] -> + parse_ExtensionAdditionAlternativeList(Rest23); + _ -> + {[],Rest2} + end, + {OptionalExtensionMarker,Rest4} = + case Rest3 of + [{',',_},{'...',L3}|Rest31] -> + {[#'EXTENSIONMARK'{pos=L3}],Rest31}; + _ -> + {[],Rest3} + end, + {AltTypeList ++ ExtensionAndException ++ + ExtensionAddition ++ OptionalExtensionMarker, Rest4} + end, + AltTypeList3 = + case [X || X=#'EXTENSIONMARK'{} <- AltTypeList2] of + [] when ExtensionDefault == 'IMPLIED' -> + AltTypeList2 ++ [#'EXTENSIONMARK'{}]; + _ -> + AltTypeList2 + end, + {AltTypeList3,Rest5}. parse_AlternativeTypeList(Tokens) -> @@ -2512,35 +2587,39 @@ parse_SignedNumber(Tokens) -> [got,get_token(hd(Tokens)),expected, [number,'-number']]}}). -parse_Enumerations(Tokens=[{identifier,_,_}|_Rest]) -> - parse_Enumerations(Tokens,[]); -parse_Enumerations([H|_T]) -> +parse_Enumerations(Tokens=[{identifier,_,_}|_Rest],ExtensionDefault) -> + parse_Enumerations(Tokens,[],ExtensionDefault); +parse_Enumerations([H|_T],_) -> throw({asn1_error,{get_line(H),get(asn1_module), [got,get_token(H),expected,identifier]}}). -parse_Enumerations(Tokens = [{identifier,_,_},{'(',_}|_Rest], Acc) -> +parse_Enumerations(Tokens = [{identifier,_,_},{'(',_}|_Rest], Acc, ExtensionDefault) -> {NamedNumber,Rest2} = parse_NamedNumber(Tokens), case Rest2 of [{',',_}|Rest3] -> - parse_Enumerations(Rest3,[NamedNumber|Acc]); + parse_Enumerations(Rest3,[NamedNumber|Acc], ExtensionDefault); + _ when ExtensionDefault == 'IMPLIED'-> + {lists:reverse(['EXTENSIONMARK',NamedNumber|Acc]),Rest2}; _ -> {lists:reverse([NamedNumber|Acc]),Rest2} end; -parse_Enumerations([{identifier,_,Id}|Rest], Acc) -> +parse_Enumerations([{identifier,_,Id}|Rest], Acc, ExtensionDefault) -> case Rest of [{',',_}|Rest2] -> - parse_Enumerations(Rest2,[Id|Acc]); + parse_Enumerations(Rest2,[Id|Acc], ExtensionDefault); + _ when ExtensionDefault == 'IMPLIED' -> + {lists:reverse(['EXTENSIONMARK', Id |Acc]),Rest}; _ -> {lists:reverse([Id|Acc]),Rest} end; -parse_Enumerations([{'...',_}|Rest], Acc) -> +parse_Enumerations([{'...',_}|Rest], Acc, _ExtensionDefault) -> case Rest of [{',',_}|Rest2] -> - parse_Enumerations(Rest2,['EXTENSIONMARK'|Acc]); + parse_Enumerations(Rest2,['EXTENSIONMARK'|Acc],undefined); _ -> {lists:reverse(['EXTENSIONMARK'|Acc]),Rest} end; -parse_Enumerations([H|_T],_) -> +parse_Enumerations([H|_T],_,_) -> throw({asn1_error,{get_line(H),get(asn1_module), [got,get_token(H),expected,identifier]}}). @@ -2915,6 +2994,7 @@ merge_constraints([],Cacc,Eacc) -> %% lists:flatten(Cacc) ++ [{'Errors',Eacc}]. lists:reverse(Cacc) ++ [{'Errors',Eacc}]. + fixup_constraint(C) -> case C of {'SingleValue',SubType} when element(1,SubType) == 'ContainedSubtype' -> |