 josh
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84c4a16ce6
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Start on Parser.parse()
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2022-06-21 23:03:00 -04:00 |
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josh
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f17efe8c82
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Add RuleSet#id to use when reducing
Parser will know what state to go to after reducing a Rule based on the
RuleSet ID.
Start on Parser class.
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2022-06-21 20:07:27 -04:00 |
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josh
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60e2818075
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Determine the reduce actions for each parser state
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2022-06-17 01:45:48 -04:00 |
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josh
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5af3179ff2
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Add RuleSet#start_token_set
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2022-06-17 01:35:02 -04:00 |
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josh
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11ea02fb86
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Determine the possibly-empty RuleSets
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2022-06-17 01:35:02 -04:00 |
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josh
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8f38d0b017
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Clean up ItemSet#close!
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2022-06-17 01:35:02 -04:00 |
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josh
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a91bf2f250
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Clean up parser ItemSet processing
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2022-06-14 22:57:07 -04:00 |
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josh
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0f1c00d1a6
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Add RuleSet#could_be_empty?
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2022-06-14 07:35:58 -04:00 |
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josh
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291509f005
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Add Rule#empty?
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2022-06-14 07:35:38 -04:00 |
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josh
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c1769503a8
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Add Item#complete?
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2022-06-14 07:35:07 -04:00 |
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josh
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8b152abaa7
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Add ItemSet#leading_item_sets
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2022-06-14 07:34:35 -04:00 |
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josh
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d6e5c4325d
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Add new start rule ending with EOF token rather than appending EOF token to all user-specified start rules
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2022-06-07 22:25:31 -04:00 |
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josh
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2837dfda6b
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Add Rule#id
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2022-06-06 22:30:53 -04:00 |
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josh
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9d850294a9
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Clean up and comment Item and ItemSet
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2022-06-05 18:12:14 -04:00 |
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josh
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df8088c3c6
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Clean up rule format in grammar files
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2022-06-05 16:28:35 -04:00 |
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josh
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ba74d0a20a
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Reduce maximum code point value to not interfere with magic code point values used by parser
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2022-06-05 15:24:40 -04:00 |
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josh
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fe607291f4
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Use .propane extension for test grammars
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2022-06-05 15:18:55 -04:00 |
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josh
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c42c3576a5
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Remove RuleSet creation from Grammar
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2022-06-05 15:16:41 -04:00 |
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josh
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ca6a93a4c5
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Move generation logic to new Generator class
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2022-06-05 14:57:58 -04:00 |
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josh
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b1d5cddab4
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Change Token constructor to take a Hash of all parameters
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2022-06-05 14:40:41 -04:00 |
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josh
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f37801ec9e
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Store tokens and drop tokens separately
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2022-06-05 14:36:19 -04:00 |
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josh
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6f1ce32775
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Move Lexer::DFA#build_tables to Lexer
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2022-06-05 14:18:35 -04:00 |
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josh
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57a3e9d9f6
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Move grammar parsing into new Grammar class
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2022-06-05 10:23:34 -04:00 |
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josh
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34eb1370ff
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Move RuleSet::Patern to top-level Rule class
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2022-06-04 17:50:26 -04:00 |
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josh
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7598c589fe
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Detect other invalid UTF-8 encodings
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2022-05-31 22:26:09 -04:00 |
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josh
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a0af8b0d7c
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Rename Rule to RuleSet
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2022-05-30 15:49:12 -04:00 |
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josh
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164a4854fb
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Update README
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2022-05-30 15:40:31 -04:00 |
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josh
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ddadc2008b
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Rename to propane
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2022-05-28 20:20:03 -04:00 |
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josh
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fbd215098b
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Update license years
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2022-05-27 21:49:54 -04:00 |
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josh
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bfe2916165
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Update bundler
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2022-05-27 00:15:03 -04:00 |
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josh
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c9bc4832f4
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bundle update
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2022-05-27 00:14:26 -04:00 |
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josh
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6dfef8573f
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Fix ERB constructor call for Ruby 3.2 warnings
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2022-05-27 00:12:40 -04:00 |
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josh
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f3ed678fe1
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Store tokens in Hash by name
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2021-09-27 21:40:12 -04:00 |
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josh
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280b749e38
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Track Rule IDs
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2021-09-27 21:29:44 -04:00 |
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josh
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d6779aef00
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Start on Parser#build_tables
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2021-09-22 23:26:36 -04:00 |
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josh
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746ec89be8
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Add test for a rule that can be arrived at from multiple states
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2021-09-21 21:40:11 -04:00 |
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josh
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997f34a1e4
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Keep track of item set in-links
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2021-09-21 21:32:18 -04:00 |
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josh
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a2795bb531
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Keep track of follow item sets by symbol for each item set
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2021-09-21 17:09:53 -04:00 |
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josh
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850e639e3a
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update identical rule spec to use lookahead symbol
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2021-09-06 20:18:17 -04:00 |
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josh
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5f7e548fe3
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Remove Rule::Pattern, Item stores a Rule reference
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2021-09-06 19:41:29 -04:00 |
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josh
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bdb10e7afc
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test duplicate rules
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2021-09-05 09:50:04 -04:00 |
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josh
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7bdaf7cdbc
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Do not create item set following EOF token
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2021-09-05 07:51:59 -04:00 |
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josh
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08e3516ad9
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Add wikipedia LR(0) parser example test
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2021-09-04 22:33:34 -04:00 |
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josh
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2c8f3c6e9a
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Avoid infinite loop with self-referential rules
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2021-09-04 22:29:10 -04:00 |
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josh
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9dffa3c41a
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Recursively build item sets
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2021-08-29 12:38:44 -04:00 |
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josh
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ceb7e9ee32
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Add EOF token to Start rule patterns
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2021-08-29 11:48:49 -04:00 |
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josh
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6026bf1514
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Start building following item sets
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2021-08-29 09:41:00 -04:00 |
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josh
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9cc1890ddc
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One Rule object stores all alternative patterns
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2021-08-28 10:28:50 -04:00 |
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josh
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e4f2fffe50
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add Item#closed_items
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2021-08-28 09:47:01 -04:00 |
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josh
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d931bcb513
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Do not expand rules
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2021-08-28 09:23:08 -04:00 |
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josh
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2e16b0bd6e
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Start on Item and ItemSet
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2021-08-28 09:02:19 -04:00 |
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josh
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6ce94e15af
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Expand rules
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2021-08-28 08:11:06 -04:00 |
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josh
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3f92ae46c4
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Map rule components to Token/Rule references
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2021-08-22 21:21:41 -04:00 |
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josh
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00016f16b3
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Combine Grammar and Generator into top-level Imbecile class
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2021-08-22 21:04:46 -04:00 |
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josh
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9273bfccf6
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Move Token/Rule out of Grammar class
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2021-08-19 20:00:40 -04:00 |
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josh
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f295acb593
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Generator builds a Lexer, not a Lexer::DFA
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2021-08-19 13:11:12 -04:00 |
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josh
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51a31317a6
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Move FA#build_tables to Lexer::DFA
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2021-08-19 11:55:34 -04:00 |
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josh
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9459883e74
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Add Lexer class; Move LexerDFA to Lexer::DFA
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2021-08-18 17:09:45 -04:00 |
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josh
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28591907c1
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Move FA class out of Regex class
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2021-08-18 17:05:03 -04:00 |
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josh
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37d6917b49
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Rework Rule constructor
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2021-07-27 21:22:46 -04:00 |
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josh
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2685c05360
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Change rule syntax
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2021-07-19 21:55:08 -04:00 |
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josh
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c0c3353fd7
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Test lexing empty null string returns EOF
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2021-07-06 12:06:07 -04:00 |
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josh
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3158e51059
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Add length field to LexedToken
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2021-07-06 11:59:35 -04:00 |
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josh
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d9e4f64d2e
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Fix returning TOKEN_EOF when lexing at EOF
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2021-07-06 11:55:44 -04:00 |
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josh
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ec2dcf9a72
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Fix not progressing through input while lexing a token
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2021-07-06 11:47:33 -04:00 |
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josh
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578e165e2d
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Fix off-by-one error in state IDs
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2021-07-06 11:44:03 -04:00 |
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josh
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e8df4296cc
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Begin testing lexer
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2021-07-06 11:09:39 -04:00 |
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josh
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230c324209
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Fix iterating through all transitions in a state
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2021-07-06 11:09:13 -04:00 |
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josh
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1271e19b50
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Test multi-byte code point decoding
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2021-07-06 11:02:43 -04:00 |
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josh
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12e11399af
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Add decoder tests
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2021-07-06 10:57:06 -04:00 |
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josh
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24fab8515d
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Decoder.decode_code_point returns struct with code point and length together
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2021-07-06 10:50:32 -04:00 |
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josh
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1dcdd87a28
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Generate token constants and names to top-level parser class
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2021-07-06 10:28:35 -04:00 |
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josh
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8aec7ec0de
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Lexer class can be used standalone
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2021-07-06 10:15:07 -04:00 |
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josh
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c96d55b031
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Fix class name
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2021-07-06 10:14:14 -04:00 |
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josh
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ca7d4862f9
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Run test executable; build with unit tests
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2021-07-06 10:03:42 -04:00 |
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josh
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3c874ae4c1
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Compile generated parser with a test file
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2021-07-05 23:05:55 -04:00 |
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josh
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748c219625
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Do not return dropped tokens from Lexer.lex_token()
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2021-07-05 22:53:58 -04:00 |
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josh
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71ee7de9f9
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Remove obsolete lex() and lex_token() methods
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2021-07-05 22:49:50 -04:00 |
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josh
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2121acc87e
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Complete Lexer.lex_token()
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2021-07-05 22:41:09 -04:00 |
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josh
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f2563cf255
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Work on Lexer.lex_token()
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2021-07-05 22:02:27 -04:00 |
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josh
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24d12be3b9
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Add TOKEN enum entries for EOF, decode error, drop, and none
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2021-07-05 20:11:55 -04:00 |
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josh
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91d6ee25ea
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Add Lexer class
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2021-07-05 19:13:41 -04:00 |
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josh
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2f1cb47bea
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Add Decoder class to decode code points
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2021-07-05 18:47:10 -04:00 |
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josh
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651461c570
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Start on decode_code_point()
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2021-06-29 23:17:44 -04:00 |
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josh
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3ce54bd303
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Start on lex()/lex_token()
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2021-06-29 23:10:40 -04:00 |
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josh
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15454f926a
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Add TokenNames array
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2021-06-29 22:54:24 -04:00 |
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josh
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4beb3d2016
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Add some token constants
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2021-06-27 23:09:42 -04:00 |
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josh
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aae7bc188c
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Use unsigned literals
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2021-06-26 18:11:20 -04:00 |
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josh
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a716dedeb6
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Start on test framework to compile and run generated parser
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2021-06-26 16:17:24 -04:00 |
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josh
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93cb25df62
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Do not generate token names for drop tokens
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2021-06-26 16:16:18 -04:00 |
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josh
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61dd5bc5a0
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Move imbecile_spec to lexer_dfa_spec
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2021-06-26 16:01:49 -04:00 |
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josh
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10a8ef5eb4
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Update generated lexer state and transition tables
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2021-06-26 15:58:36 -04:00 |
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josh
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98584ce07a
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Add FA#build_tables
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2021-06-24 15:06:10 -04:00 |
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josh
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2122ca02fe
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Start generating lexer states and transitions
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2021-06-23 23:15:02 -04:00 |
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josh
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5881f13380
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Generate enum of token identifiers
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2021-06-23 22:22:45 -04:00 |
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josh
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ebc1d8f001
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Fix FA#to_s to show correct destination state
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2021-06-23 22:21:53 -04:00 |
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josh
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5fecd5c6a2
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Refactor into FA#enumerate
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2021-06-22 22:01:39 -04:00 |
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josh
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5b688b090d
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Add some attr_readers
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2021-06-21 22:52:27 -04:00 |
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josh
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f77218801f
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Error if Start rule not found
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2021-06-21 22:48:17 -04:00 |
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josh
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70118dd019
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Check for duplicate token/rule names in Generator
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2021-06-21 22:34:43 -04:00 |
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