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It is a very basic and simple hash table. It is so simple that I
hesitate to call it a hash table. Anyways, I think it suffices for my
purposes here.
* Makefile.am: Add necessary files.
* grammar.c (new_tnt_string): Formatting.
* ht.c (new_ht): Constructor
(destroy_ht): Destructor
(ht_expand): Rehash
(ht_insert, ht_delete, ht_find): Main functions.
* list.c (add_to_list, list_assure_size): Modify the use of realloc.
* test/check_ht.c: Ensure this is working correctly.
* util.c (read_entire_file): Modify the use of realloc.
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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 we can read grammars from a file.
But we need to check if it works for reading strings still.
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The current representation of the grammar is the most primitive BNF.
This is the simplest to implement, but is difficult to cope with user
requirements. Moreover, I find another paper describing the GLR
algorithm, so I need to think about the representation of the grammar
more. In particular, I would like the generation of the grammar to be
incremental, so per chance its data type should be adapted
accordingly.
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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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