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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

1.6.4 - 2023-03-11

Fixed

  • Fix the DOWNLOAD_EXTRACT_TIMESTAMP CMake warning (issue #15).

1.6.3 - 2022-05-15

Fixed

  • Generation of binding variables when compiling on C++ (issue #14).

1.6.2 - 2022-01-02

Fixed

  • Initialise .data.dummy to '\0' for empty variants. Previously, it was uninitialised.

1.6.1 - 2021-12-09

Fixed

  • Specify C as the project language in CMakeLists.txt. Previously, CMake detected C++ and required a C++ compiler to compile the project.
  • Require CMake v3.11.4.

1.6.0 - 2021-12-01

Added

1.5.2 - 2021-11-09

Fixed

  • The derive attribute was made into a macro (see issue #12).

1.5.1 - 2021-10-06

Fixed

  • Previously, shortcuts referring to functional macros were object-like. To avoid nasty compilation errors, now they are function-like too:
    • datatype(...)
    • record(...)
    • match(val)
    • MATCHES(val, tag)
    • matches(val, tag)
    • ifLet(val, tag, ...)
    • of(...)

1.5.0 - 2021-08-27

Added

  • DATATYPE99_VERSION_COMPATIBLE to check for a SemVer-compatible version.
  • DATATYPE99_VERSION_EQ to check for an exact version.

1.4.0 - 2021-08-13

Added

  • MATCHES/MATCHES99 to know where is a macro and where is a function.

Deprecated

  • matches/matches99; use MATCHES/MATCHES99 instead.

1.3.0 - 2021-07-27

Added

  • An empty record -- record(Foo).

1.2.0 - 2021-06-06

Added

  • record, DATATYPE99_record, DATATYPE99_RECORD_DERIVE_ to generate a record type.
  • The dummy deriver for record types.

Fixed

  • Add the missing arity specifier for DATATYPE99_datatype.
  • Make Datatype99 work on TCC (see issue #10).

1.1.0 - 2021-04-24

Added

  • A mechanism for deriving: datatype now can be specified with derive(...).
  • Manipulation of attributes:
    • DATATYPE99_attrIsPresent/DATATYPE99_ATTR_IS_PRESENT to check the presence of an attribute.
    • DATATYPE99_attrValue/DATATYPE99_ATTR_VALUE to extract an attribute's value.
    • DATATYPE99_assertAttrIsPresent to assert a mandatory attribute.
  • A deriver dummy which generates nothing.
  • Metalang99-compliant counterparts: DATATYPE99_of, DATATYPE99_ifLet.

Changed

  • Do not suppress -Wmisleading-indentation (GCC) automatically in match.

Fixed

  • #pragma GCC diagnostic inside functions error on GCC older than 4.6 (issue #8).
  • Inconsistent suppression of -Wreturn-type (issue #9).
  • Suppress Clang's -Wcast-qual in ifLet.

1.0.0 - 2021-03-28

Added

  • DATATYPE99_MAJOR, DATATYPE99_MINOR, DATATYPE99_PATCH.

Changed

  • Unit => UnitT, unit => unit_v (less likely to conflict with user-defined identifiers).

Fixed

  • Suppress Clang's -Wcast-qual in match.

0.4.0 - 2021-03-27

Added

  • ifLet to match only a single variant.

Changed

  • <datatype-name>Data => <datatype-name>Variants (less likely to conflict with user-defined types).

Fixed

  • Avoid using METALANG99_semicolon because it turned out to be dangerous.
  • Clang's -Wused-but-marked-unused in of.
  • The specification now requires an lvalue for match.

0.3.1 - 2021-02-28

Added

  • Generate <datatype-name>Tag and <datatype-name>Data.

Fixed

  • Suppress -Wmisleading-indentation only when __GNUC__ >= 6.
  • Suppress -Wreturn-type for Clang too.
  • Make it work on C++11.

0.3.0 - 2021-02-26

Changed

  • Force users to download Metalang99 as well, i.e. don't use it as a Git submodule.
  • Annotate value constructors with __attribute__((warn_unused_result)) and __attribute__((const)) if supported.

Added

  • Generate typedef struct <datatype-name> <datatype-name>; beforehand so <datatype-name> * can be used instead of struct <datatype-name> * inside variants.
  • The reserved _ identifier for of.
  • Error reporting about an unparenthesised variant like Bar(int).
  • Unit and unit.

0.2.0 - 2021-02-05

Changed

  • Replace Epilepsy with Metalang99 (more neutral).

0.1.0 - 2021-02-04

Added

  • This excellent project.