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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

0.7.0 - 2024-11-16

Added

  • builder-loc-info config option which provides location information in the default builder generated AST types. See the discussion at 2 and the docs

0.6.3 - 2024-11-11

Fixed

  • attempt to subtract causes overflow in GLR default builder. See 16. Thanks andrewbaxter@GitHub for the bug report and regression test.
  • reexported dependencies for generated parsers. Now, the only dependency required by the client code is rustemo. See 15. Thanks andrewbaxter@GitHub for the idea

0.6.2 - 2024-10-11

Fixed

  • unwrap panic if rustemo-compiler is built outside of git repo (e.g. from crates.io).

0.6.1 - 2024-10-02

Changed

Fixed

  • Always regenerate _actions.rs in OUT_DIR folder. See 13. Thanks safinaskar@GitHub for reporting.
  • Override coloring during dot export.

0.6.0 - 2024-02-20

Added

  • disable trace log output with switch --notrace or env variable RUSTEMO_NOTRACE. Trace log is sent to std error. Thanks @stevefan1999-personal for reporting. See 4.
  • fancy-regex support. Thanks @stevefan1999-personal. See 8.

Fixed

  • call lexer after reduction in LR parser as the set of possible tokens may change.
  • string escaping in Rustemo grammars

Changed

  • improved debug trace prints.
  • improved LR automata table print output.

0.5.0 - 2024-01-23

Added

  • dot export marks conflict states in red color.
  • More special grammars tests.

Fixed

  • Pager's compatibility test for LALR states merging/splitting. Implemented Menhir's version.

Changed

  • Table type in CLI renamed from lalr-pagerw to lalr-pager.

0.4.0 - 2024-01-14

Added

  • Support for lexical disambiguation strategies. See the docs.

Fixed

  • Bug in GLR in the context of lexical ambiguity
  • Bug in string_difference used in tests.
  • Regex recognizers anchoring which lead to unanchored search when | was used.

Changed

  • Minimal supported Rust version is 1.74.
  • Default parser tables implementation is function-based.

0.3.0 - 2023-12-27

Added

  • Support for Forest iteration (into_iter(), and iter()).
  • Multiple parser table styles generation: array-based, function-based. Different tradeoffs. Can be configured using settings API or rcomp parameter.

Fixed

  • Getting CARGO_WORKSPACE_DIR in local_file!.
  • Correctly report error in GLR parsing.
  • Handle >2 conflicts per state.
  • build.rs to prevent unnecessary rebuilds.

Changed

  • Removed lexer type parameter from the Parser trait.
  • Removed Rc from lexer API.
  • ParserDefinition trait change.

0.2.0 - 2023-10-22

Added

  • GLR parsing based on Right-Nulled GLR algorithm (RNGLR).
    • Base Tomita's algorithm. Shared packed parse forest.
    • Lazy tree extraction from forest.
    • Calling arbitrary builder over extracted tree.
    • Support for EMPTY productions through RN table entries (RNGLR algorithm).

0.1.0 - 2023-06-02

  • Initial release. See the README for the features available in this release.