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authorBjörn Gustavsson <[email protected]>2014-12-03 10:49:13 +0100
committerBjörn Gustavsson <[email protected]>2015-01-12 12:22:56 +0100
commita19d71091ac0753e4cfd212b5f2686b53fdf355a (patch)
tree9372bb53b889b6cb9b948e63844001f00353b597 /lib/asn1/src
parentff8b523c9ad18d52c9ff53882bba0056f2ceb679 (diff)
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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/asn1/src')
-rw-r--r--lib/asn1/src/asn1ct_parser2.erl29
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,[]).