Input test case

Any sv file.

Describe what is wrong or missing

As far as I can tell, the verible-verilog-kythe-extractor tool cannot directly write its output into a file.
The issue is that it force having a potentially huge buffer in memory.

It would be nice to have the capability to output the result of the kythe extraction directly to an output file without having to rely on

Bison has %expect declarations which tell the parsing system "I know there are n conflicts, please don't warn me if you find n too". Although undocumented in http://dinosaur.compilertools.net/yacc/index.html, Berkeley Yacc seems to support %expect too, so I think grmtools should add that. See section 3.7.9 of https://www.gnu.org/software/bison/manual/bison.html for more details.

Bison a

厉害哦