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Previously I used hash tables, which consume too much memory. Now the
critical parts are replaced by a new hand-written library called
"tuple.h". Now we can easily parse larger inputs. I haven't tested
its limits, though.
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A prototype of BSR is roughly finished.
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Just to save some work.
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Now we have the potential to recognize character classes. But the
most important task for us now is to experiment with ((B)RN)GLR
algorithms, so we leave the character classes at the present state for
a moment.
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Now some problems are fixed.
It can now read grammar correctly (hopefully) from a file, in the BNF
format. And strings (terminals) are handled fine as well. So glad
that there are no leak problems now.
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Now we can read grammars from a file.
But we need to check if it works for reading strings still.
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Now the rough framework is established and the grammar class is sort
of ready.
It remains to write a general input reading mechanism.
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