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CHANGELOG.md

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Changelog

Current version

Fixed

  • Macro type parameters can now be used in defining the macro.

0.0.3 - 2021-12-02

Added

  • Added a Web IDE, with automatically-generated syntax-highlighting.

Fixed

  • Improved the parser somewhat.

0.0.2 - 2021-08-22

Added

  • Added more builtin functions, and the Option<T> type.
  • Added common and reserving to the syntax for grammars.

Fixed

  • Fixed an erratic bug where Form identity was lost.
  • Improved display of parse ambiguities.

0.0.1 - 2021-08-20

Added

  • Added rudimentary multi-file program support.
    • To define a library, introduce the syntax and values that should be exposed, and write capture_language as the program body
    • To use a library write import \[library_definition.unseemly]\. This overwrites the current syntactic environment and extends the runtime environment. (So, only the most recent import provides macros.)
    • You interpret a file in a specific language with unseemly language_definition.unseemly program.lang
  • Introduced string literals and the String type.
  • Introduced sequence literals.
  • Introduced the Cell type for side-effects.
  • Introduced some basic operations on Sequence<T>, String, and Cell types.
  • Introduced value and type "prefabs".
    • (prefab v) produces (imaginary) syntax for an expression that returns v.
    • prefab_type T produces (imaginary) syntax for the type T.
  • Added support for UNSEEMLY_FRESHEN_WATCH.

Fixed

  • Display of multiline error messages now uses newlines instead of "\n".
  • Macros can now be used in the implementation of other macros, not just expanded-to.
  • Values can be captured in macro definitions.

0.0.0 - 2020-02-02

Added

  • Implemented the Unseemly programming language. Usage is described in core_language_basics.md. It's a bit buggy at the moment, and it's missing some features.