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free_vars_in_core_type and fold_{left,right}_type_decl now use string loc #159

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merged 1 commit into from
Nov 17, 2017

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@gasche gasche commented Nov 13, 2017

Since 4.05.0, many base functions on type variables expect located
strings instead of raw strings. This is also the more informative
API -- locations can always be stripped out, but not regained.

I have mixed feelings about the choice of reusing the same function
names with a different API, which sort of enforces conditional
compilation on users as well. On the other hand, this choice was
designed to reduce the amount of conditional compilation required by
providing, for all OCaml versions, the right type for many client
usage patterns -- see

ocaml-ppx/ppx_deriving_yojson#64

…g loc`

Since 4.05.0, many base functions on type variables expect located
strings instead of raw strings. This is also the more informative
API -- locations can always be stripped out, but not regained.

I have mixed feelings about the choice of reusing the same function
names with a different API, which sort of enforces conditional
compilation on users as well. On the other hand, this choice was
designed to *reduce* the amount of conditional compilation required by
providing, for all OCaml versions, the right type for many client
usage patterns -- see

  ocaml-ppx/ppx_deriving_yojson#64
@gasche gasche merged commit 27665d8 into ocaml-ppx:4.1-maintenance Nov 17, 2017
gasche added a commit to gasche/opam-repository that referenced this pull request Nov 21, 2017
This is a minor release on top of 4.2 (instead of a minor release on
top of 4.1 as was originally discussed). The goal is to release this
first, ask user feedback on whether it solves their issues, and make
a 4.1 maintenance release if the issues with driverification are still
there.

The changelog is as follows

  * Add support for OCaml 4.06.0
    ocaml-ppx/ppx_deriving#154, ocaml-ppx/ppx_deriving#155, ocaml-ppx/ppx_deriving#156, ocaml-ppx/ppx_deriving#159
    (Gabriel Scherer, Fabian, Leonid Rozenberg)
  * Consider { with_path = false } when printing record fields
    ocaml-ppx/ppx_deriving#157
    (François Pottier)
gasche added a commit to gasche/opam-repository that referenced this pull request Nov 21, 2017
This is a minor release on top of 4.2 (instead of a minor release on
top of 4.1 as was originally discussed). The goal is to release this
first, ask user feedback on whether it solves their issues, and make
a 4.1 maintenance release if the issues with driverification are still
there.

The changelog is as follows

  * Add support for OCaml 4.06.0
    ocaml-ppx/ppx_deriving#154, ocaml-ppx/ppx_deriving#155, ocaml-ppx/ppx_deriving#156, ocaml-ppx/ppx_deriving#159
    (Gabriel Scherer, Fabian, Leonid Rozenberg)
  * Consider { with_path = false } when printing record fields
    ocaml-ppx/ppx_deriving#157
    (François Pottier)
gasche added a commit to gasche/opam-repository that referenced this pull request Nov 25, 2017
4.1.5 is a maintenance release to include support for OCaml 4.05 and
OCaml 4.06 in the ppx_deriving 4.1 branch, which does not contain the
driverization work that has been causing issues for some users.

  * Add support for OCaml 4.05.0 and 4.06.0 (ocaml-ppx/ppx_deriving#154, ocaml-ppx/ppx_deriving#155, ocaml-ppx/ppx_deriving#156, ocaml-ppx/ppx_deriving#159).
  * Consider { with_path = false } when printing record fields (ocaml-ppx/ppx_deriving#157).
  * Fix comparison order of fields in records (ocaml-ppx/ppx_deriving#136).
  * Silence an `unused rec flag` warning in generated code (ocaml-ppx/ppx_deriving#137).
  * Monomorphize comparison function for builtin types (ocaml-ppx/ppx_deriving#115)
  * Raise an error when `type nonrec` is encountered (ocaml-ppx/ppx_deriving#116).
  * Display an error message when dynamic package loading fails.
  * Add a `with_path` option to `@@deriving` to skip the module path
    in generated code (ocaml-ppx/ppx_deriving#120).
kit-ty-kate added a commit to kit-ty-kate/opam-repository that referenced this pull request Oct 26, 2020
CHANGES:

5.0 (26/10/2020)
----------------

* Migrate to ppxlib ocaml-ppx/ppx_deriving#206, ocaml-ppx/ppx_deriving#210
  (Anton Kochkov, Gabriel Scherer, Thierry Martinez)

4.5
---

* Add support for OCaml 4.11.
  - `Ppx_deriving.string_of_{constant,expression}_opt` to destruct
    `Pconst_string` in a version-independent way
  ocaml-ppx/ppx_deriving#220, ocaml-ppx/ppx_deriving#222
  (Kate Deplaix, Thierry Martinez, review by Gabriel Scherer)

* Stronger type equalities in `Ppx_deriving_runtime` (for instance,
  `Ppx_deriving_runtime.result` and `Result.result` are now compatible with
  all OCaml versions)
  ocaml-ppx/ppx_deriving#223, ocaml-ppx/ppx_deriving#225
  (Thierry Martinez, review by Gabriel Scherer)

* `Ppx_deriving_runtime.Option` compatibility module
  ocaml-ppx/ppx_deriving#222
  (Thierry Martinez, review by Gabriel Scherer)

4.4.1
-----

* Add support for OCaml 4.10
  ocaml-ppx/ppx_deriving#211
  (Kate Deplaix, review by Gabriel Scherer)

4.4
---

* Restore support for OCaml 4.02.3
  ocaml-ppx/ppx_deriving#188
  (ELLIOTTCABLE)
* workaround Location.input_filename being empty
  when using reason-language-server
  ocaml-ppx/ppx_deriving#196
  (Ryan Artecona)
* Add support for OCaml 4.08.0
  ocaml-ppx/ppx_deriving#193, ocaml-ppx/ppx_deriving#197, ocaml-ppx/ppx_deriving#200
  (Gabriel Scherer)

4.3
---

* use Format through Ppx_deriving_runtime to avoid deprecation warning
  for users of JaneStreet Base
  (Stephen Bastians and Gabriel Scherer, review by whitequark)
* silence a ambiguous-field warning (41) in generated code
  ocaml-ppx/ppx_deriving#163
  (Étienne Millon, review by Gabriel Scherer)
* use dune
  ocaml-ppx/ppx_deriving#170
  (Rudi Grinberg, Jérémie Dimino)
* silence an unused-value warning for show
  ocaml-ppx/ppx_deriving#179
  (Nathan Rebours)

4.2.1
-----

  * Add support for OCaml 4.06.0
    ocaml-ppx/ppx_deriving#154, ocaml-ppx/ppx_deriving#155, ocaml-ppx/ppx_deriving#156, ocaml-ppx/ppx_deriving#159
    (Gabriel Scherer, Fabian, Leonid Rozenberg)
  * Consider { with_path = false } when printing record fields
    ocaml-ppx/ppx_deriving#157
    (François Pottier)

4.2
---

  * Add support for OCaml 4.05.0.
  * Use the `ocaml-migrate-parsetree` library to support multiple
    versions of OCaml.
  * Fix comparison order of fields in records (ocaml-ppx/ppx_deriving#136).
  * Silence an `unused rec flag` warning in generated code (ocaml-ppx/ppx_deriving#137).
  * Monomorphize comparison function for builtin types (ocaml-ppx/ppx_deriving#115)
  * Raise an error when `type nonrec` is encountered (ocaml-ppx/ppx_deriving#116).
  * Display an error message when dynamic package loading fails.
  * Add a `with_path` option to `@@deriving` to skip the module path
    in generated code (ocaml-ppx/ppx_deriving#120).

The homepage for the project has now moved to:
<https://github.com/ocaml-ppx/ppx_deriving>

4.1
---

  * Fix type error with inheritied polymorphic variant type in
    [@@deriving map].
  * Fix incorrect handling of multi-argument constructors in
    [@@deriving show].
  * Add API hooks for ppx_type_conv.

4.0
---

  * Show, eq, ord, map, iter, fold: add support for `Result.result`.
  * Ppx_deriving.Arg: use Result.result instead of polymorphic variants.
  * Ppx_deriving.sanitize: parameterize over an opened module.
  * Add support for `[@@deriving]` in module type declarations.
  * Add support for loading findlib packages instead of just files in
    ppx_deriving_main.
  * Treat types explicitly qualified with Pervasives also as builtin.
  * Compatibility with statically linked ppx drivers.

3.1
---

  * Show, eq, ord: hygienically invoke functions from referenced modules
    (such as X.pp for X.t when deriving show) to coexist with modules
    shadowing ones from standard library.
  * Iter, map, fold: hygienically invoke List and Array functions.

3.0
---

  * Implement hygiene: Ppx_deriving.{create_quoter,quote,sanitize,with_quoter}.
  * Show, eq, ord: add support for `lazy_t`.
  * Add support for `[@nobuiltin]` attribute.
  * Add Ppx_deriving.hash_variant.
  * Remove allow_std_type_shadowing option.
  * Remove Ppx_deriving.extract_typename_of_type_group.

2.1
---

  * Fix breakage occurring with 4.02.2 w.r.t record labels
  * Fix prefixed attribute names (`[@deriving.foo.attr]` and `[@foo.attr]`).
  * Add allow_std_type_shadowing option for eq and show.

2.0
---

  * Add support for open types.

1.1
---

  * New plugin: create.
  * Show, eq, ord: handle `_`.
  * Show, eq, ord, map, iter, fold: handle inheriting from a parametric
    polymorphic variant type.
  * Make `Ppx_deriving.poly_{fun,arrow}_of_type_decl` construct functions
    in correct order. This also fixes all derivers with types with
    more than one parameter.
  * Add `Ppx_deriving.fold_{left,right}_type_decl`.

1.0
---

  * Make deriver names lowercase.
  * Remove Findlib+dynlink integration. All derivers must now be
    explicitly required.
  * Allow shortening [%derive.x:] to [%x:] when deriver x exists.
  * Make `Ppx_deriving.core_type` field optional to allow ignoring
    unsupported [%x:] shorthands.
  * Add support for [@@deriving foo { optional = true }] that does
    not error out if foo is missing, useful for optional dependencies.
  * Rename ~name and ~prefix of `Ppx_deriving.attr` and
    `Ppx_deriving.Arg.payload` to `~deriver`.
  * Renamed `Ppx_deriving.Arg.payload` to `get_attr`.
  * Add `Ppx_deriving.Arg.get_expr` and `get_flag`.

0.3
---

  * Show, Eq, Ord, Iter, Fold: handle ref.
  * Show: handle functions.
  * Show: include break hints in format strings.
  * Show: pull fprintf into local environment.
  * Show: add `[@polyprinter]` and `[@opaque]`.
  * Add `Ppx_deriving.Arg.expr`.

0.2
---

  * New plugins: Enum, Iter, Map, Fold.
  * All plugins: don't concatenate affix if type is named `t`.
  * Add `[%derive.Foo:]` shorthand.
  * Show, Eq, Ord: add support for list, array, option.
  * Show: include full module path in output, including for types with manifest.
  * A lot of changes in `Ppx_deriving interface`.

0.1
---

  * Initial release.
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