diff options
| author | Vincent Laporte | 2019-06-25 09:10:44 +0000 |
|---|---|---|
| committer | Vincent Laporte | 2019-07-22 12:17:53 +0000 |
| commit | c878a5e2c0c2a01512e263d3ed2dfdd8e611086f (patch) | |
| tree | 90191993778dcf27e3ecaf5c43040cd57a69646d /doc | |
| parent | 033021860b2ea6fee901f6c760dcd8292ed07fe5 (diff) | |
[Extraction] Add support for primitive integers
The ExtrOCamlInt63 module can be required to map primitives from the Int63
module to their OCaml implementation (module Uint63 from the kernel).
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/changelog/08-tools/10430-extraction-int63.rst | 5 | ||||
| -rw-r--r-- | doc/sphinx/language/gallina-extensions.rst | 19 | ||||
| -rw-r--r-- | doc/stdlib/hidden-files | 1 |
3 files changed, 20 insertions, 5 deletions
diff --git a/doc/changelog/08-tools/10430-extraction-int63.rst b/doc/changelog/08-tools/10430-extraction-int63.rst new file mode 100644 index 0000000000..68ae4591a4 --- /dev/null +++ b/doc/changelog/08-tools/10430-extraction-int63.rst @@ -0,0 +1,5 @@ +- Fix extraction to OCaml of primitive machine integers; + see :ref:`primitive-integers` + (`#10430 <https://github.com/coq/coq/pull/10430>`_, + fixes `#10361 <https://github.com/coq/coq/issues/10361>`_, + by Vincent Laporte). diff --git a/doc/sphinx/language/gallina-extensions.rst b/doc/sphinx/language/gallina-extensions.rst index c93984661e..070fc44775 100644 --- a/doc/sphinx/language/gallina-extensions.rst +++ b/doc/sphinx/language/gallina-extensions.rst @@ -2443,11 +2443,20 @@ The reduction machines (:tacn:`vm_compute`, :tacn:`native_compute`) implement dedicated, efficient, rules to reduce the applications of these primitive operations. -These primitives, when extracted to OCaml (see :ref:`extraction`), are mapped to -types and functions of a :g:`Uint63` module. Said module is not produced by -extraction. Instead, it has to be provided by the user (if they want to compile -or execute the extracted code). For instance, an implementation of this module -can be taken from the kernel of Coq. +The extraction of these primitives can be customized similarly to the extraction +of regular axioms (see :ref:`extraction`). Nonetheless, the :g:`ExtrOCamlInt63` +module can be used when extracting to OCaml: it maps the Coq primitives to types +and functions of a :g:`Uint63` module (excepted :g:`addc`, :g:`addcarryc`, +:g:`subc`, :g:`subcarryc`, and :g:`diveucl` whose implementation in OCaml is +left to the reader). Said OCaml module is not produced by extraction. Instead, +it has to be provided by the user (if they want to compile or execute the +extracted code). For instance, an implementation of this module can be taken +from the kernel of Coq. + +Literal values (at type :g:`Int63.int`) are extracted to literal OCaml values +wrapped into the :g:`Uint63.of_int` (resp. :g:`Uint63.of_int64`) constructor on +64-bit (resp. 32-bit) platforms. Currently, this cannot be customized (see the +function :g:`Uint63.compile` from the kernel). Bidirectionality hints ---------------------- diff --git a/doc/stdlib/hidden-files b/doc/stdlib/hidden-files index b25104ddb9..46175e37ed 100644 --- a/doc/stdlib/hidden-files +++ b/doc/stdlib/hidden-files @@ -12,6 +12,7 @@ plugins/extraction/ExtrHaskellZInteger.v plugins/extraction/ExtrHaskellZNum.v plugins/extraction/ExtrOcamlBasic.v plugins/extraction/ExtrOcamlBigIntConv.v +plugins/extraction/ExtrOCamlInt63.v plugins/extraction/ExtrOcamlIntConv.v plugins/extraction/ExtrOcamlNatBigInt.v plugins/extraction/ExtrOcamlNatInt.v |