Commit Graph
158 Commits
Author SHA1 Message Date
josh ffccc659aa Clean up Lexer.State a bit 2023-03-14 19:38:42 -04:00
josh e432f62b05 Add UserCodeID struct to represent user code IDs 2023-03-13 21:56:18 -04:00
josh f402315201 Name internally generated tokens with double-underscore 2023-03-13 14:13:13 -04:00
josh d10e982fc8 Reserve double-underscore identifiers for internal use 2023-03-13 14:12:12 -04:00
josh b92679e0c2 Replace LexedToken with Result struct 2023-03-11 21:16:55 -05:00
josh 2e48921bb1 Fix $n expansion for rules to use rule component ptype 2022-11-14 21:00:49 -05:00
josh c6ea4f83c2 Store parser values according to the rule/pattern type 2022-11-13 22:20:30 -05:00
josh e4a160f918 Allow defining multiple parser types and assigning parser types to tokens and rules 2022-11-13 13:35:19 -05:00
josh 8dc27686aa Rename result_type to ptype, parser result to pvalue 2022-11-12 13:29:10 -05:00
josh bca0a14371 Allow storing a result value for a token from a lexer code block 2022-10-16 21:40:25 -04:00
josh 727c8cd1ea Execute rule user code blocks when reducing the rule 2022-10-13 04:56:50 -04:00
josh 31970522de Store parse result; add result_type grammar keyword 2022-10-12 20:56:14 -04:00
josh 02be6de48e Add lexer modes and $mode() code expansion 2022-10-09 22:49:01 -04:00
josh b2d11321fe Add grammar syntax to specify lexer mode for tokens and patterns 2022-10-04 22:23:39 -04:00
josh 6bd9d4a09b Remove _TOKEN_NONE and use _TOKEN_COUNT instead 2022-10-03 21:40:34 -04:00
josh ced5a56424 Support global user code blocks 2022-10-03 21:24:13 -04:00
josh 66d654b6b9 Add $token() user code block expansion 2022-10-02 10:43:47 -04:00
josh f46b5b3f4d Remove TOKEN_EOF; define EOF token and start rule in Generator 2022-10-02 10:07:44 -04:00
josh 150be33826 Assign pattern code IDs in Generator instead of Grammar 2022-10-01 10:36:35 -04:00
josh e7e30c4f28 Add pattern statement 2022-09-30 21:05:18 -04:00
josh 04367db0ac Add forward slashes around patterns and parse more robustly 2022-09-28 23:05:01 -04:00
josh 1547528ecf Split grammar statement parsing into separate methods 2022-09-27 18:49:04 -04:00
josh 62cb5c03f2 Refactor grammar parsing a bit 2022-09-27 15:28:39 -04:00
josh 48704295bb Rename lexer state "accepts" to "token" 2022-09-25 14:57:46 -04:00
josh 4d716f6c10 Remove Token#c_name; use given token case in token constants 2022-09-25 14:48:49 -04:00
josh 672098ad32 Execute user code blocks assigned to tokens 2022-09-24 17:31:40 -04:00
josh 92ce30f354 Add tokenid keyword 2022-09-19 22:16:57 -04:00
josh 38ae5ac7a1 Split Token class into Token/Pattern 2022-09-15 22:46:44 -04:00
josh b682c72b17 Add semicolon to end of all grammar statements 2022-07-23 22:09:19 -04:00
josh 30f4cfcc99 Write parser log file
Fix bug of skipping rule set IDs.
Remove unneeded out_sets from ItemSet class.
2022-06-26 11:06:55 -04:00
josh f2cc5b112e Handle shifting states after reducing 2022-06-25 16:16:20 -04:00
josh 84c4a16ce6 Start on Parser.parse() 2022-06-21 23:03:00 -04:00
josh f17efe8c82 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.
2022-06-21 20:07:27 -04:00
josh 60e2818075 Determine the reduce actions for each parser state 2022-06-17 01:45:48 -04:00
josh 5af3179ff2 Add RuleSet#start_token_set 2022-06-17 01:35:02 -04:00
josh 11ea02fb86 Determine the possibly-empty RuleSets 2022-06-17 01:35:02 -04:00
josh 8f38d0b017 Clean up ItemSet#close! 2022-06-17 01:35:02 -04:00
josh a91bf2f250 Clean up parser ItemSet processing 2022-06-14 22:57:07 -04:00
josh 0f1c00d1a6 Add RuleSet#could_be_empty? 2022-06-14 07:35:58 -04:00
josh 291509f005 Add Rule#empty? 2022-06-14 07:35:38 -04:00
josh c1769503a8 Add Item#complete? 2022-06-14 07:35:07 -04:00
josh 8b152abaa7 Add ItemSet#leading_item_sets 2022-06-14 07:34:35 -04:00
josh d6e5c4325d Add new start rule ending with EOF token rather than appending EOF token to all user-specified start rules 2022-06-07 22:25:31 -04:00
josh 2837dfda6b Add Rule#id 2022-06-06 22:30:53 -04:00
josh 9d850294a9 Clean up and comment Item and ItemSet 2022-06-05 18:12:14 -04:00
josh df8088c3c6 Clean up rule format in grammar files 2022-06-05 16:28:35 -04:00
josh ba74d0a20a Reduce maximum code point value to not interfere with magic code point values used by parser 2022-06-05 15:24:40 -04:00
josh c42c3576a5 Remove RuleSet creation from Grammar 2022-06-05 15:16:41 -04:00
josh ca6a93a4c5 Move generation logic to new Generator class 2022-06-05 14:57:58 -04:00
josh b1d5cddab4 Change Token constructor to take a Hash of all parameters 2022-06-05 14:40:41 -04:00