Re: [sqlite] Lemon-generated parser gives an assertion failure

On 4/25/17, Kelvin Sherlock wrote: > > I believe the issue is line 4164 which should be … = LEMON_TRUE. Currently, > when i=0, all rules will erroneously be optimized out. > > 4157/* Mark rules that are actually used for reduce actions after all > 4158**

[sqlite] Lemon-generated parser gives an assertion failure

The test case can be simplified to: bug.lemon: --- %include { #include #include #include #include "bug.h" } %code { int main(void) { void *pParser; pParser = ParseAlloc(malloc); if (!pParser) { printf("out of memory\n"); exit(1);

[sqlite] Lemon-generated parser gives an assertion failure

If you use the version of lemon.c and lempar.c in the Fossil repository for SQLite as of 2017-04-16 20:54:23 UTC, take the following Lemon parser, compile it, and run it, it fails with Assertion failed: (yyruleno!=116), function yy_reduce, file mate_grammar.c, line 2165. (It's a