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| author | Björn Gustavsson <[email protected]> | 2014-12-03 10:49:13 +0100 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2015-01-12 12:22:56 +0100 |
| commit | a19d71091ac0753e4cfd212b5f2686b53fdf355a (patch) | |
| tree | 9372bb53b889b6cb9b948e63844001f00353b597 /lib | |
| parent | ff8b523c9ad18d52c9ff53882bba0056f2ceb679 (diff) | |
| download | otp-a19d71091ac0753e4cfd212b5f2686b53fdf355a.tar.gz otp-a19d71091ac0753e4cfd212b5f2686b53fdf355a.tar.bz2 otp-a19d71091ac0753e4cfd212b5f2686b53fdf355a.zip | |
asn1ct_parser2: Throw an {asn1_error,...} for *all* parse errors
In a future commit, we want to tighten what we catch. Therefore,
legitimate parsing errors should always throw a controlled exception,
instead of arbitrarily crashing.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/asn1/src/asn1ct_parser2.erl | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/lib/asn1/src/asn1ct_parser2.erl b/lib/asn1/src/asn1ct_parser2.erl index d368e149e3..f3a56e1b65 100644 --- a/lib/asn1/src/asn1ct_parser2.erl +++ b/lib/asn1/src/asn1ct_parser2.erl @@ -1392,7 +1392,10 @@ parse_FieldSetting(Tokens) -> {{PrimFieldName,Setting},Rest2}. parse_DefinedSyntax([{'{',_}|Rest]) -> - parse_DefinedSyntax(Rest,[]). + parse_DefinedSyntax(Rest, []); +parse_DefinedSyntax([H|_]) -> + throw({asn1_error,{get_line(H),get(asn1_module), + [got,get_token(H),expected,['{']]}}). parse_DefinedSyntax(Tokens,Acc) -> case Tokens of @@ -2498,7 +2501,11 @@ parse_ComponentTypeLists([{',',L1},{'...',_},{'!',_}|Rest02],Clist0) when Clist0 parse_ComponentTypeLists([{'...',L1}|Rest02],Clist0) -> parse_ComponentTypeLists2(Rest02,Clist0++[#'EXTENSIONMARK'{pos=L1}]); parse_ComponentTypeLists(Tokens = [{'}',_L1}|_Rest02],Clist0) -> - {Clist0,Tokens}. + {Clist0,Tokens}; +parse_ComponentTypeLists(Tokens, _) -> + throw({asn1_error,{get_line(hd(Tokens)),get(asn1_module), + [got,get_token(hd(Tokens)),expected, + identifier]}}). parse_ComponentTypeLists2(Tokens,Clist) -> {ExtAdd,Rest} = parse_ExtensionAdditions(Tokens,Clist), @@ -2916,7 +2923,7 @@ parse_SubtypeElements([{'PATTERN',_}|Tokens]) -> parse_SubtypeElements(Tokens) -> Flist = [fun parse_ContainedSubtype/1, fun parse_Value/1, - fun([{'MIN',_}|T]) -> {'MIN',T} end, + fun parse_MIN/1, fun parse_Type/1], case (catch parse_or(Tokens,Flist)) of {'EXIT',Reason} -> @@ -2952,8 +2959,8 @@ parse_UpperEndpoint(Tokens) -> parse_UpperEndpoint(false,Tokens). parse_UpperEndpoint(Lt,Tokens) -> - Flist = [ fun([{'MAX',_}|T]) -> {'MAX',T} end, - fun parse_Value/1], + Flist = [fun parse_MAX/1, + fun parse_Value/1], case (catch parse_or(Tokens,Flist)) of {'EXIT',Reason} -> exit(Reason); @@ -2965,6 +2972,18 @@ parse_UpperEndpoint(Lt,Tokens) -> {Value,Rest2} end. +parse_MIN([{'MIN',_}|T]) -> + {'MIN',T}; +parse_MIN([H|_]) -> + throw({asn1_error,{get_line(H),get(asn1_module), + [got,get_token(H),expected,'MIN']}}). + +parse_MAX([{'MAX',_}|T]) -> + {'MAX',T}; +parse_MAX([H|_]) -> + throw({asn1_error,{get_line(H),get(asn1_module), + [got,get_token(H),expected,'MAX']}}). + parse_TypeConstraints(Tokens) -> parse_TypeConstraints(Tokens,[]). |