Max Brunsfeld
5ce55ce26f
Improve stream method for Items
2014-02-13 13:12:00 -08:00
Max Brunsfeld
812f27f43a
Clean up using statements
2014-02-12 23:06:26 -08:00
Max Brunsfeld
a8588cd4d3
Split up item set transition functions
2014-02-12 22:56:44 -08:00
Max Brunsfeld
27f305d556
Put rule_can_be_blank function in its own file
2014-02-11 13:21:45 -08:00
Max Brunsfeld
5ed5ae7514
In LR(1) items, only store consumed symbols as booleans
...
the booleans represent the symbols point to auxiliary tokens
or not. This is all we need to know for the purpose of building
parse tables. Any other information just leads to redundant
parse states.
2014-01-31 00:13:05 -08:00
Max Brunsfeld
7d297f2f9e
Remove auxiliary rules from syntax tree
2014-01-28 22:09:37 -08:00
Max Brunsfeld
ca33c3942a
In parse table, store symbols as Symbol objects, not strings
2014-01-27 13:40:10 -08:00
Max Brunsfeld
67fa81d079
Convert repeat rules into pairs of recursive rules
2014-01-24 18:27:29 -08:00
Max Brunsfeld
3c42de1718
Fix errors in item set transition computation
2014-01-21 23:45:02 -08:00
Max Brunsfeld
1bf216b796
Rename next_{terminals,non_terminals} to first_set and follow_sets
...
This is to prepare for keeping track of lookahead symbols as part
of computing follow sets
2014-01-19 01:49:56 -08:00
Max Brunsfeld
289992344e
Make separate Item classes for parsing and lexing
2014-01-18 09:47:26 -08:00
Max Brunsfeld
d015d57a53
Remove ItemSet class; just use a set
2014-01-13 18:47:57 -08:00
Max Brunsfeld
8881214f0d
Separate table building operations from Item, ItemSet value objects
2014-01-11 16:49:57 -08:00
Max Brunsfeld
92cec5758f
Reorganize compiler directory
2014-01-11 15:14:17 -08:00