waldemar at google.com
Mon Feb 6 15:26:02 PST 2012
On 02/03/2012 08:07 PM, Mark S. Miller wrote:
> On Fri, Feb 3, 2012 at 12:58 PM, Waldemar Horwat <waldemar at google.com <mailto:waldemar at google.com>> wrote:
> On 02/02/2012 06:27 PM, Waldemar Horwat wrote:
> Note that this is more complex than just having the parser switch modes for the treatment of / as division vs. regexp. Here comments and white space are also affected, which can in turn the structure of the lexer upside down. The kinds of cases I'm thinking of are:
> (here we have a /**/ comment and a // comment)
> There is no valid quasiHole above, so the whole thing matches a QuasiOnly. The QuasiOnly includes all characters between the backticks. Nothing is taken to be a comment, just like it wouldn't be if it appeared within a string.
According to which lexical grammar? According to the one you provided earlier in this thread, `abc$ is a QuasiOpen token:
` QuasiChar* $
Parsing further, /*comment*/identifier is a single identifier token as far as the syntactic grammar is concerned.
More information about the es-discuss