The ECLM2006 convinced me to start working on my parser generator again, and after lots of grammar-debugging it is “done”. Well done in the sense that it successfully parses the grammar of the grammars it is supposed to accept. The parser had just one bug, it was mainly the grammar which needed debugging. It is however totally unoptimized and not well tested. Creating a parser in SBCL takes unbearable long, which I guess is due to SBCLs compile-everything strategy. In CLISP and CMUCL creating a parser takes almost no time and compiling the created parser is a lot faster than in SBCL.
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