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* Namespace packages with "urubu/"EuAndreh2024-12-1014-5568/+0
* Start building test filesEuAndreh2024-12-106-13/+13
* Build and test existing code as isEuAndreh2024-12-025-10/+10
* Add byte position to nodes of a syntax treeRyo Nihei2022-11-134-5/+22
* Fix typoRyo Nihei2022-11-131-10/+10
* Add byte position to tokensRyo Nihei2022-11-132-238/+267
* Set token positions for the EOF symbol•••vartan intentionally had not set positional information for the EOF symbol in a token because the corresponding character does not exist in the source code. However, to be able to include the positional information in a syntax error message when a syntax error occurs due to the detection of the EOF symbol during parsing, this commit sets the position next to the last character in the source code as the position of the EOF symbol. Ryo Nihei2022-11-122-3/+3
* Fix counting of token positions•••The name `unread` gives the impression of operating just the opposite of `read`. However, this commit renames `unread` function to `revert` because it was a function to revert the state to the last acceptance. Ryo Nihei2022-11-121-37/+46
* Import source code of lexer generator•••From: https://github.com/nihei9/maleeni Ryo Nihei2022-11-1014-94/+2125
* Move the skip table from lexer-related data to parser-related dataRyo Nihei2022-11-064-40/+33
* Remove anonymous symbol system•••Remove unimportant features to tidy up the specification. Ryo Nihei2022-11-053-53/+68
* Remove alias system•••Remove unimportant features to tidy up the specification. Ryo Nihei2022-11-055-44/+22
* Prohibit using a pattern in an alternative•••When a syntax error occurs, the parser must provide a user with the names of expected tokens. However, if a pattern appears directly in an alternative, Vartan cannot assign an appropriate name to the pattern. Therefore, this commit prohibits alternatives from containing patterns. Ryo Nihei2022-06-121-6/+8
* Remove the kind field from a node corresponding to an anonymous terminal symbolRyo Nihei2022-06-113-10/+202
* Rename spec package to spec/grammar packageRyo Nihei2022-05-278-8/+8
* Allows a directory to be specified as the --output option for the vartan-comp...Ryo Nihei2022-05-225-5/+5
* Stop supporting SLR(1) and always use LALR(1)Ryo Nihei2022-05-228-76/+53
* Prohibit using escape sequences in string literalsRyo Nihei2022-05-151-0/+24
* Follow golangci-lintRyo Nihei2022-05-101-3/+1
* Make the identifier format strictRyo Nihei2022-05-101-7/+7
* Add ordered symbol notationRyo Nihei2022-05-101-7/+7
* Add #assign directive•••An #assign directive changes only precedence. Ryo Nihei2022-05-101-13/+152
* Change syntax for top-level directives•••%name changes to: #name example; %left and %right change to: #prec ( #left a b #right c d ); Ryo Nihei2022-05-105-52/+70
* Make #prec directive change only precedence and not associativityRyo Nihei2022-05-101-2/+47
* Add --json option to vartan-parse commandRyo Nihei2022-05-102-27/+79
* vartan-show command prints only adopted actions when conflicts occurRyo Nihei2022-04-211-5/+0
* Add tests for driverRyo Nihei2022-04-161-3/+155
* Move compiler tests from driver package to grammar packageRyo Nihei2022-04-141-545/+2
* Allow arbitrary user-defined types for nodes in a syntax treeRyo Nihei2022-04-033-196/+219
* Print a parse tree even if syntax error occur•••A parser can construct a parse tree even if syntax error occur. When there is a parse tree, print it. Ryo Nihei2022-04-011-2/+8
* Allow an alternative to have multiple directivesRyo Nihei2022-03-301-2/+116
* Move directives given to lexical productions•••Move all directives given to lexical productions from alternative directives to production directives. This change aims to ensure consistency with respect to the syntax of definitions of terminal symbols and non-terminal symbols. Ryo Nihei2022-03-294-71/+136
* Change syntax of production directives•••The position of directives given to productions has moved from before a left-hand side value to after a left-hand side value. This change aims to simplify the syntax. However, there is no change in positions of directives given to alternatives. Ryo Nihei2022-03-291-12/+16
* Use IDs and labels as parameters of an #ast directive instead of symbol posit...Ryo Nihei2022-03-291-4/+102
* Add label notationRyo Nihei2022-03-291-0/+60
* Simplify the syntax of #ast directive•••This change allows using the simple syntax of the directive like `#ast $1 $3...` instead of `#ast #(foo $1 $3...)`. Ryo Nihei2022-03-281-19/+4
* Add vartan-go commandRyo Nihei2022-03-278-47/+613
* Use a lexer via interfaceRyo Nihei2022-03-279-91/+183
* Use grammar via an interfaceRyo Nihei2022-03-237-48/+172
* Add name directive to specify a grammar nameRyo Nihei2021-10-285-0/+133
* Use maleeni v0.5.1Ryo Nihei2021-10-274-17/+18
* Pass a token that caused a syntax error to the semantic action APIsRyo Nihei2021-09-073-15/+16
* Call the 'MissError' when input doesn't meet an error productionRyo Nihei2021-09-072-1/+7
* Add the semantic action API 'TrapAndShiftError' instead of 'TrapError' and 'S...Ryo Nihei2021-09-073-52/+35
* Change semantic action APIs•••The driver reports whether it recovered from an error to the semantic action APIs via the argument `recovered`. Ryo Nihei2021-09-073-18/+42
* Add tests for LACRyo Nihei2021-09-031-0/+113
* Make semantic actions user-configurableRyo Nihei2021-09-036-242/+521
* Support LAC (lookahead correction)Ryo Nihei2021-09-021-29/+115
* Remove the expected terminals field from the parsing table•••The driver searches the expected terminals corresponding to each state if necessary. Ryo Nihei2021-08-311-10/+15
* RefactorRyo Nihei2021-08-301-165/+215
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