I'm just about to write a yylex wrapper to let me push back a token so
that Bison can re-read it. Before I do this, can anyone tell me if
there's a better way to handle this?
My problem is that I need to write a partial parser, which ignores large
chunks of a language. The chunks are delimited by known tokens, so I
need to do something like
ignore_block
: STARTBLOCK {
// check yylex input for ENDBLOCK, push it back
} ENDBLOCK ;
ie. something like a flex exclusive start state, but initiated from Bison.
Thanks -
Evan
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