Merge pull request #21154 from clason/vimdoc-injections

feat(help): highlighted codeblocks

runtime/lua/vim/_editor.lua

@@ -123,7 +123,7 @@ do
   --- (such as the |TUI|) pastes text into the editor.
   ---
   --- Example: To remove ANSI color codes when pasting:
-  --- <pre>
+  --- <pre>lua
   --- vim.paste = (function(overridden)
   ---   return function(lines, phase)
   ---     for i,line in ipairs(lines) do
@@ -280,7 +280,7 @@ end
 --- command.
 ---
 --- Example:
---- <pre>
+--- <pre>lua
 ---   vim.cmd('echo 42')
 ---   vim.cmd([[
 ---     augroup My_group
@@ -746,7 +746,7 @@ end
 
 ---Prints given arguments in human-readable format.
 ---Example:
----<pre>
+---<pre>lua
 ---  -- Print highlight group Normal and store it's contents in a variable.
 ---  local hl_normal = vim.pretty_print(vim.api.nvim_get_hl_by_name("Normal", true))
 ---</pre>

runtime/lua/vim/diagnostic.lua

@@ -579,12 +579,12 @@ end
 --- followed by namespace configuration, and finally global configuration.
 ---
 --- For example, if a user enables virtual text globally with
---- <pre>
+--- <pre>lua
 ---   vim.diagnostic.config({ virtual_text = true })
 --- </pre>
 ---
 --- and a diagnostic producer sets diagnostics with
---- <pre>
+--- <pre>lua
 ---   vim.diagnostic.set(ns, 0, diagnostics, { virtual_text = false })
 --- </pre>
 ---
@@ -621,13 +621,13 @@ end
 ---                       * format: (function) A function that takes a diagnostic as input and
 ---                                 returns a string. The return value is the text used to display
 ---                                 the diagnostic. Example:
----                       <pre>
----                       function(diagnostic)
----                         if diagnostic.severity == vim.diagnostic.severity.ERROR then
----                           return string.format("E: %s", diagnostic.message)
+---                       <pre>lua
+---                         function(diagnostic)
+---                           if diagnostic.severity == vim.diagnostic.severity.ERROR then
+---                             return string.format("E: %s", diagnostic.message)
+---                           end
+---                           return diagnostic.message
 ---                         end
----                         return diagnostic.message
----                       end
 ---                       </pre>
 ---       - signs: (default true) Use signs for diagnostics. Options:
 ---                * severity: Only show signs for diagnostics matching the given severity
@@ -1577,11 +1577,11 @@ end
 ---
 --- This can be parsed into a diagnostic |diagnostic-structure|
 --- with:
---- <pre>
---- local s = "WARNING filename:27:3: Variable 'foo' does not exist"
---- local pattern = "^(%w+) %w+:(%d+):(%d+): (.+)$"
---- local groups = { "severity", "lnum", "col", "message" }
---- vim.diagnostic.match(s, pattern, groups, { WARNING = vim.diagnostic.WARN })
+--- <pre>lua
+---   local s = "WARNING filename:27:3: Variable 'foo' does not exist"
+---   local pattern = "^(%w+) %w+:(%d+):(%d+): (.+)$"
+---   local groups = { "severity", "lnum", "col", "message" }
+---   vim.diagnostic.match(s, pattern, groups, { WARNING = vim.diagnostic.WARN })
 --- </pre>
 ---
 ---@param str string String to parse diagnostics from.

runtime/lua/vim/filetype.lua

@@ -2308,7 +2308,7 @@ end
 --- See $VIMRUNTIME/lua/vim/filetype.lua for more examples.
 ---
 --- Example:
---- <pre>
+--- <pre>lua
 ---  vim.filetype.add({
 ---    extension = {
 ---      foo = 'fooscript',
@@ -2344,7 +2344,7 @@ end
 --- </pre>
 ---
 --- To add a fallback match on contents, use
---- <pre>
+--- <pre>lua
 --- vim.filetype.add {
 ---   pattern = {
 ---     ['.*'] = {
@@ -2456,7 +2456,7 @@ end
 --- Each of the three options is specified using a key to the single argument of this function.
 --- Example:
 ---
---- <pre>
+--- <pre>lua
 ---   -- Using a buffer number
 ---   vim.filetype.match({ buf = 42 })
 ---

runtime/lua/vim/fs.lua

@@ -5,7 +5,7 @@ local iswin = vim.loop.os_uname().sysname == 'Windows_NT'
 --- Iterate over all the parents of the given file or directory.
 ---
 --- Example:
---- <pre>
+--- <pre>lua
 --- local root_dir
 --- for dir in vim.fs.parents(vim.api.nvim_buf_get_name(0)) do
 ---   if vim.fn.isdirectory(dir .. "/.git") == 1 then
@@ -119,8 +119,7 @@ end
 ---                       - limit (number, default 1): Stop the search after
 ---                               finding this many matches. Use `math.huge` to
 ---                               place no limit on the number of matches.
----
----@return (table) The normalized paths |vim.fs.normalize()| of all matching files or directories
+---@return (table) Normalized paths |vim.fs.normalize()| of all matching files or directories
 function M.find(names, opts)
   opts = opts or {}
   vim.validate({
@@ -235,15 +234,15 @@ end
 --- variables are also expanded.
 ---
 --- Examples:
---- <pre>
+--- <pre>lua
 ---   vim.fs.normalize('C:\\Users\\jdoe')
----   => 'C:/Users/jdoe'
+---   --> 'C:/Users/jdoe'
 ---
 ---   vim.fs.normalize('~/src/neovim')
----   => '/home/jdoe/src/neovim'
+---   --> '/home/jdoe/src/neovim'
 ---
 ---   vim.fs.normalize('$XDG_CONFIG_HOME/nvim/init.vim')
----   => '/Users/jdoe/.config/nvim/init.vim'
+---   --> '/Users/jdoe/.config/nvim/init.vim'
 --- </pre>
 ---
 ---@param path (string) Path to normalize

runtime/lua/vim/keymap.lua

@@ -2,7 +2,7 @@ local keymap = {}
 
 --- Add a new |mapping|.
 --- Examples:
---- <pre>
+--- <pre>lua
 ---   -- Can add mapping to Lua functions
 ---   vim.keymap.set('n', 'lhs', function() print("real lua function") end)
 ---
@@ -21,13 +21,13 @@ local keymap = {}
 --- </pre>
 ---
 --- Note that in a mapping like:
---- <pre>
+--- <pre>lua
 ---    vim.keymap.set('n', 'asdf', require('jkl').my_fun)
 --- </pre>
 ---
 --- the ``require('jkl')`` gets evaluated during this call in order to access the function.
 --- If you want to avoid this cost at startup you can wrap it in a function, for example:
---- <pre>
+--- <pre>lua
 ---    vim.keymap.set('n', 'asdf', function() return require('jkl').my_fun() end)
 --- </pre>
 ---
@@ -93,7 +93,7 @@ end
 
 --- Remove an existing mapping.
 --- Examples:
---- <pre>
+--- <pre>lua
 ---   vim.keymap.del('n', 'lhs')
 ---
 ---   vim.keymap.del({'n', 'i', 'v'}, '<leader>w', { buffer = 5 })

runtime/lua/vim/lsp.lua

@@ -813,8 +813,7 @@ end
 --- Attaches the current buffer to the client.
 ---
 --- Example:
----
---- <pre>
+--- <pre>lua
 --- vim.lsp.start({
 ---    name = 'my-server-name',
 ---    cmd = {'name-of-language-server-executable'},
@@ -1754,8 +1753,7 @@ end
 ---
 --- You can also use the `stop()` function on a |vim.lsp.client| object.
 --- To stop all clients:
----
---- <pre>
+--- <pre>lua
 --- vim.lsp.stop_client(vim.lsp.get_active_clients())
 --- </pre>
 ---
@@ -2239,7 +2237,7 @@ end
 ---@param fn function Function to run on each client attached to buffer
 ---                   {bufnr}. The function takes the client, client ID, and
 ---                   buffer number as arguments. Example:
----             <pre>
+---             <pre>lua
 ---               vim.lsp.for_each_buffer_client(0, function(client, client_id, bufnr)
 ---                 print(vim.inspect(client))
 ---               end)

runtime/lua/vim/lsp/buf.lua

@@ -162,11 +162,11 @@ end
 ---         Predicate used to filter clients. Receives a client as argument and must return a
 ---         boolean. Clients matching the predicate are included. Example:
 ---
----         <pre>
----         -- Never request typescript-language-server for formatting
----         vim.lsp.buf.format {
----           filter = function(client) return client.name ~= "tsserver" end
----         }
+---         <pre>lua
+---           -- Never request typescript-language-server for formatting
+---           vim.lsp.buf.format {
+---             filter = function(client) return client.name ~= "tsserver" end
+---           }
 ---         </pre>
 ---
 ---     - async boolean|nil
@@ -555,11 +555,10 @@ end
 --- Send request to the server to resolve document highlights for the current
 --- text document position. This request can be triggered by a  key mapping or
 --- by events such as `CursorHold`, e.g.:
----
---- <pre>
---- autocmd CursorHold  <buffer> lua vim.lsp.buf.document_highlight()
---- autocmd CursorHoldI <buffer> lua vim.lsp.buf.document_highlight()
---- autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
+--- <pre>vim
+---   autocmd CursorHold  <buffer> lua vim.lsp.buf.document_highlight()
+---   autocmd CursorHoldI <buffer> lua vim.lsp.buf.document_highlight()
+---   autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
 --- </pre>
 ---
 --- Note: Usage of |vim.lsp.buf.document_highlight()| requires the following highlight groups

runtime/lua/vim/lsp/codelens.lua

@@ -241,7 +241,8 @@ end
 ---
 --- It is recommended to trigger this using an autocmd or via keymap.
 ---
---- <pre>
+--- Example:
+--- <pre>vim
 ---   autocmd BufEnter,CursorHold,InsertLeave <buffer> lua vim.lsp.codelens.refresh()
 --- </pre>
 ---

runtime/lua/vim/lsp/diagnostic.lua

@@ -150,7 +150,7 @@ end
 ---
 --- See |vim.diagnostic.config()| for configuration options. Handler-specific
 --- configuration can be set using |vim.lsp.with()|:
---- <pre>
+--- <pre>lua
 --- vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
 ---   vim.lsp.diagnostic.on_publish_diagnostics, {
 ---     -- Enable underline, use default values

runtime/lua/vim/lsp/handlers.lua

@@ -313,15 +313,15 @@ M['textDocument/completion'] = function(_, result, _, _)
 end
 
 --- |lsp-handler| for the method "textDocument/hover"
---- <pre>
---- vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(
----   vim.lsp.handlers.hover, {
----     -- Use a sharp border with `FloatBorder` highlights
----     border = "single",
----     -- add the title in hover float window
----     title = "hover"
----   }
---- )
+--- <pre>lua
+---   vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(
+---     vim.lsp.handlers.hover, {
+---       -- Use a sharp border with `FloatBorder` highlights
+---       border = "single",
+---       -- add the title in hover float window
+---       title = "hover"
+---     }
+---   )
 --- </pre>
 ---@param config table Configuration table.
 ---     - border:     (default=nil)
@@ -399,13 +399,13 @@ M['textDocument/implementation'] = location_handler
 
 --- |lsp-handler| for the method "textDocument/signatureHelp".
 --- The active parameter is highlighted with |hl-LspSignatureActiveParameter|.
---- <pre>
---- vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(
----   vim.lsp.handlers.signature_help, {
----     -- Use a sharp border with `FloatBorder` highlights
----     border = "single"
----   }
---- )
+--- <pre>lua
+---   vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(
+---     vim.lsp.handlers.signature_help, {
+---       -- Use a sharp border with `FloatBorder` highlights
+---       border = "single"
+---     }
+---   )
 --- </pre>
 ---@param config table Configuration table.
 ---     - border:     (default=nil)

runtime/lua/vim/shared.lua

@@ -102,11 +102,11 @@ end
 --- Splits a string at each instance of a separator.
 ---
 --- Examples:
---- <pre>
----  split(":aa::b:", ":")     => {'','aa','','b',''}
----  split("axaby", "ab?")     => {'','x','y'}
----  split("x*yz*o", "*", {plain=true})  => {'x','yz','o'}
----  split("|x|y|z|", "|", {trimempty=true}) => {'x', 'y', 'z'}
+--- <pre>lua
+---  split(":aa::b:", ":")                   --> {'','aa','','b',''}
+---  split("axaby", "ab?")                   --> {'','x','y'}
+---  split("x*yz*o", "*", {plain=true})      --> {'x','yz','o'}
+---  split("|x|y|z|", "|", {trimempty=true}) --> {'x', 'y', 'z'}
 --- </pre>
 ---
 ---@see |vim.gsplit()|
@@ -383,7 +383,7 @@ end
 --- Return `nil` if the key does not exist.
 ---
 --- Examples:
---- <pre>
+--- <pre>lua
 ---  vim.tbl_get({ key = { nested_key = true }}, 'key', 'nested_key') == true
 ---  vim.tbl_get({ key = {}}, 'key', 'nested_key') == nil
 --- </pre>
@@ -495,9 +495,9 @@ end
 
 --- Counts the number of non-nil values in table `t`.
 ---
---- <pre>
---- vim.tbl_count({ a=1, b=2 }) => 2
---- vim.tbl_count({ 1, 2 }) => 2
+--- <pre>lua
+--- vim.tbl_count({ a=1, b=2 })  --> 2
+--- vim.tbl_count({ 1, 2 })      --> 2
 --- </pre>
 ---
 ---@see https://github.com/Tieske/Penlight/blob/master/lua/pl/tablex.lua
@@ -571,7 +571,7 @@ end
 --- Validates a parameter specification (types and values).
 ---
 --- Usage example:
---- <pre>
+--- <pre>lua
 ---  function user.new(name, age, hobbies)
 ---    vim.validate{
 ---      name={name, 'string'},
@@ -583,24 +583,24 @@ end
 --- </pre>
 ---
 --- Examples with explicit argument values (can be run directly):
---- <pre>
+--- <pre>lua
 ---  vim.validate{arg1={{'foo'}, 'table'}, arg2={'foo', 'string'}}
----     => NOP (success)
+---     --> NOP (success)
 ---
 ---  vim.validate{arg1={1, 'table'}}
----     => error('arg1: expected table, got number')
+---     --> error('arg1: expected table, got number')
 ---
 ---  vim.validate{arg1={3, function(a) return (a % 2) == 0 end, 'even number'}}
----     => error('arg1: expected even number, got 3')
+---     --> error('arg1: expected even number, got 3')
 --- </pre>
 ---
 --- If multiple types are valid they can be given as a list.
---- <pre>
+--- <pre>lua
 ---  vim.validate{arg1={{'foo'}, {'table', 'string'}}, arg2={'foo', {'table', 'string'}}}
----     => NOP (success)
+---     --> NOP (success)
 ---
 ---  vim.validate{arg1={1, {'string', table'}}}
----     => error('arg1: expected string|table, got number')
+---     --> error('arg1: expected string|table, got number')
 ---
 --- </pre>
 ---
@@ -735,7 +735,7 @@ end
 --- If {create} is `nil`, this will create a defaulttable whose constructor function is
 --- this function, effectively allowing to create nested tables on the fly:
 ---
---- <pre>
+--- <pre>lua
 --- local a = vim.defaulttable()
 --- a.b.c = 1
 --- </pre>

runtime/lua/vim/treesitter.lua

@@ -313,7 +313,7 @@ end
 --- In this case, add ``vim.bo.syntax = 'on'`` after the call to `start`.
 ---
 --- Example:
---- <pre>
+--- <pre>lua
 --- vim.api.nvim_create_autocmd( 'FileType', { pattern = 'tex',
 ---     callback = function(args)
 ---         vim.treesitter.start(args.buf, 'latex')

runtime/lua/vim/treesitter/query.lua

@@ -549,7 +549,7 @@ end
 --- The iterator returns three values: a numeric id identifying the capture,
 --- the captured node, and metadata from any directives processing the match.
 --- The following example shows how to get captures by name:
---- <pre>
+--- <pre>lua
 --- for id, node, metadata in query:iter_captures(tree:root(), bufnr, first, last) do
 ---   local name = query.captures[id] -- name of the capture in the query
 ---   -- typically useful info about the node:
@@ -603,7 +603,7 @@ end
 --- If the query has more than one pattern, the capture table might be sparse
 --- and e.g. `pairs()` method should be used over `ipairs`.
 --- Here is an example iterating over all captures in every match:
---- <pre>
+--- <pre>lua
 --- for pattern, match, metadata in cquery:iter_matches(tree:root(), bufnr, first, last) do
 ---   for id, node in pairs(match) do
 ---     local name = query.captures[id]

runtime/lua/vim/ui.lua

@@ -21,7 +21,7 @@ local M = {}
 ---
 ---
 --- Example:
---- <pre>
+--- <pre>lua
 --- vim.ui.select({ 'tabs', 'spaces' }, {
 ---     prompt = 'Select tabs or spaces:',
 ---     format_item = function(item)
@@ -78,7 +78,7 @@ end
 ---               `nil` if the user aborted the dialog.
 ---
 --- Example:
---- <pre>
+--- <pre>lua
 --- vim.ui.input({ prompt = 'Enter value for shiftwidth: ' }, function(input)
 ---     vim.o.shiftwidth = tonumber(input)
 --- end)