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On 22/10/2013 18:50, Mark Janssen wrote:
>>> So which of you is confused?  I ask that in the inclusive (not
>>> exclusive OR) sense.... ;^)  <-- face says "both".
>>
>> Could you please be less snarky?  We're trying to communicate here, and it
>> is not at all clear yet who is confused and who is not.  If you are
>> interested in discussing technical topics, then discuss them.
>
> Okay.  The purpose of BNF (at least as I envision it) is to
> produce/specify a *context-free* "grammar".  A lexer parses the tokens
> specified in the BNF into an Abstract Syntax Tree.  If one can produce
> such a tree for any given source, the language, in theory, can be
> compiled by GCC into an executable.
>
> Boom.
>
But you still need to specify the semantics.