b371f4b404
Speedup: calculate Item#hash once
2025-07-27 13:48:52 -04:00
5486e5f138
Add \D, \S, \w, \W special character classes
2025-07-26 21:21:29 -04:00
5b243507cf
Show grammar line numbers for regex errors
2025-07-25 21:27:20 -04:00
035bb2fc60
Fix matching lexer patterns containing a negated character class which includes a backslash-escaped sequence that matches more than one character
2025-07-25 16:14:35 -04:00
125c149750
Drop argument to CharacterRangeUnit constructor when possible
2025-07-22 21:53:18 -04:00
8b38ea4261
v2.2.1
2025-04-05 09:53:27 -04:00
839174a635
Generate comments to annotate reduce table entries
2025-04-05 09:50:18 -04:00
207201d589
v2.2.0
2025-03-13 19:25:30 -04:00
eb9d9026fc
Allow multiple lexer modes to be specified for a lexer pattern - close #35
2025-03-11 20:40:10 -04:00
5ebcbb2d6d
v2.1.1
2024-12-28 23:15:45 -05:00
1b4ca59158
Field aliases for AST node fields could alias incorrect field when multiple rule alternatives present for one rule set - close #33
2024-12-28 23:08:53 -05:00
7344554b5f
Version 2.1.0
2024-12-28 09:56:29 -05:00
e098b7e445
Report rule name and line number for conflicting AST node field positions errors - close #32
2024-12-28 09:51:12 -05:00
3ea344a520
v2.0.0
2024-09-25 16:09:27 -04:00
98e10d3d14
Fix named optional rules - close #29
2024-09-24 20:28:19 -04:00
36c74e439e
Log conflicting rules on reduce/reduce conflict - close #31
2024-09-24 20:05:39 -04:00
c24f323ff0
v1.5.1
2024-07-26 22:30:48 -04:00
fec2c28693
Only calculate lookahead tokens when needed - #28
...
Lookahead tokens are only need if either:
(1) There is more than one rule that could be reduced in a given parser
state, or
(2) There are shift actions for a state and at least one rule that could
be reduced in the same state (to warn about shift/reduce conflicts).
2024-07-26 22:08:25 -04:00
61339aeae9
Avoid recalculating reduce_rules - #28
2024-07-26 21:36:41 -04:00
95b3dc6550
Cache ItemSet#next_symbols - #28
2024-07-25 20:33:15 -04:00
74d94fef72
Do not build ItemSet follow sets - #28
2024-07-25 20:02:00 -04:00
588c5e21c7
Cache ItemSet#leading_item_sets return values - #28
2024-07-25 10:42:43 -04:00
343e8a7f9e
v1.5.0
2024-07-22 21:23:38 -04:00
a7348be95d
Add rule field aliases - #24
2024-07-22 20:16:52 -04:00
9746b3f2bf
Document position tracking fields in user guide - #27
2024-07-21 14:04:51 -04:00
3aced70356
Show line numbers of rules upon conflict - close #23
2024-07-14 20:52:52 -04:00
2dd89445fc
Add command line switch to output warnings to stderr - close #26
2024-07-14 15:36:07 -04:00
4ae5ab79b3
Warn on shift/reduce conflicts
2024-07-13 21:35:53 -04:00
69cc8fa67d
Always compute lookahead tokens for reduce rules
...
Even if they won't be needed for the generated parser, they'll be useful
to detect shift/reduce conflicts.
2024-07-13 21:01:44 -04:00
7f3eb8f315
Calculate follow token set for an ItemSet
2024-07-13 20:48:28 -04:00
d76e12fea1
Rename "following" to "next" - #25
...
The term "following" could potentially imply an association with the
"follow set", however it was used in a non-closed manner.
2024-07-08 10:14:09 -04:00
1468946735
v1.4.0
2024-05-11 11:46:28 -04:00
0d1ee74ca6
Give a better error message when a referenced ptype has not been declared
2024-05-09 17:35:27 -04:00
f3e4941ad8
Allow rule terms to be marked as optional
2024-05-09 11:56:13 -04:00
494afb7307
Allow specifying the start rule name
2024-05-05 12:39:00 -04:00
153f9d28f8
Allow user to specify AST node prefix or suffix
...
Add ast_prefix and ast_suffix grammar statements.
2024-05-04 21:49:13 -04:00
d0f542cbd7
v1.3.0
2024-04-23 00:31:56 -04:00
c7a18ef821
Add AST node field name with no suffix when unique - #22
2024-04-22 21:50:26 -04:00
cb06a56f81
Add AST generation - #22
2024-04-22 20:51:27 -04:00
2b28ef622d
Add specs to fully cover cli.rb
2024-04-06 14:37:15 -04:00
3a8dcac55f
v1.2.0
2024-04-02 21:42:33 -04:00
3eaf0d3d49
allow one line user code blocks - close #21
2024-04-02 17:44:15 -04:00
918dc7b2bb
fix generator hang when state transition cycle is present - close #20
2024-04-02 14:27:08 -04:00
5b2cbe53e6
Add backslash escape codes - close #19
2024-03-29 16:45:54 -04:00
fad7f4fb36
Allow user termination from lexer code blocks - close #15
2024-03-29 13:45:08 -04:00
6c847c05b1
v1.1.0
2024-01-07 17:43:06 -05:00
24af3590d1
Allow user to terminate the parser - close #13
2024-01-03 22:32:10 -05:00
af5edaa762
Bump version to 1.0.0
2023-09-25 20:02:02 -04:00
197f126109
Add Assets module to abstract accessing asset files
2023-09-25 16:16:20 -04:00
562c24ce9e
Remove grammar "class" statement
2023-09-24 13:23:44 -04:00
