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authorRui Abreu Ferreira <rap-ep@gmx.com>2016-09-25 18:46:37 +0100
committerJustin M. Keyes <justinkz@gmail.com>2016-10-26 14:23:50 +0200
commitf25797f86976cbccf697d6df953154c5e59656e6 (patch)
treef8f979f07c99e9d5e5db66af1b4ff6b5695dcc2c /runtime
parent90bf31c7421f6bc32703dd8d8a19cd29f06cc63d (diff)
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api: Nvim version, API level #5386
The API level is disconnected from the NVIM version. The API metadata holds the current API level, and the lowest backwards-compatible level supported by this instance. Release 0.1.6 will be the first release reporting the Nvim version and API level. metadata['version'] = { major: 0, minor: 1, patch: 6, prerelease: true, api_level: 1, api_compatible: 0, } The API level may remain unchanged across Neovim releases if the API has not changed. When changing the API the CMake variable NVIM_API_PRERELEASE is set to true, and NVIM_API_CURRENT/NVIM_API_COMPATIBILITY are incremented accordingly. The functional tests check the API table against fixtures of past versions of Neovim. It compares all the functions in the old table with the new one, it does ignore some metadata attributes that do not alter the function signature or were removed since 0.1.5. Currently the only fixture is 0.mpack, generated from Neovim 0.1.5 with nvim --api-info.
Diffstat (limited to 'runtime')
-rw-r--r--runtime/doc/api.txt1
-rw-r--r--runtime/doc/msgpack_rpc.txt3
2 files changed, 4 insertions, 0 deletions
diff --git a/runtime/doc/api.txt b/runtime/doc/api.txt
index c3d7fdb35b..dd48a0c2a5 100644
--- a/runtime/doc/api.txt
+++ b/runtime/doc/api.txt
@@ -51,6 +51,7 @@ Tabpage -> enum value kObjectTypeTabpage
Nvim exposes metadata about the API as a Dictionary with the following keys:
+api_level API version compatibility information
functions calling signature of the API functions
types The custom handle types defined by Nvim
error_types The possible kinds of errors an API function can exit with.
diff --git a/runtime/doc/msgpack_rpc.txt b/runtime/doc/msgpack_rpc.txt
index b3fed9e756..bfd4100f15 100644
--- a/runtime/doc/msgpack_rpc.txt
+++ b/runtime/doc/msgpack_rpc.txt
@@ -168,6 +168,9 @@ API metadata object ~
API clients exist to hide msgpack-rpc details. The API metadata object
contains information that makes this task easier (see also |rpc-types|):
+ - The "api_level" key contais API compatibility information. The "current"
+ key holds the API version supported Neovim. The "compatibility" key holds
+ the oldest supported API version.
- The "functions" key contains a list of metadata objects for individual
functions.
- Each function metadata object has |rpc-types| information about the return