[Pyparsing] Unparsed cruft

[Gre7g L. <haf...@ya...>]

My parser seems to parse everything correctly in a
well-formed source file, which is great, but it seems
to stumble a bit if the user's input is imperfect.

Here's an example link: 

http://pastie.textmate.org/163282

This example tries to parse an invalid expression. The
input is "x + 5 y" and it returns [['x', '+', 5]]. So
it's able to handle everything that is well-formed,
but instead of throwing an exception when it hits the
part it can't parse, it just returns.

This would be real problematic for me. If I can't
parse all of the user's program, I need to know that
instead of thinking that compilation was successful.
Is there some way to determine how much of the string
was actually parsed, or to force an exception if the
string cannot be parsed in its entirety?

Thanks,

Gre7g

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