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-rw-r--r--runtime/lua/vim/lsp/semantic_tokens.lua90
1 files changed, 55 insertions, 35 deletions
diff --git a/runtime/lua/vim/lsp/semantic_tokens.lua b/runtime/lua/vim/lsp/semantic_tokens.lua
index a5831c0beb..20ac0a125f 100644
--- a/runtime/lua/vim/lsp/semantic_tokens.lua
+++ b/runtime/lua/vim/lsp/semantic_tokens.lua
@@ -1,35 +1,34 @@
local api = vim.api
local bit = require('bit')
-local handlers = require('vim.lsp.handlers')
local ms = require('vim.lsp.protocol').Methods
local util = require('vim.lsp.util')
local uv = vim.uv
---- @class STTokenRange
+--- @class (private) STTokenRange
--- @field line integer line number 0-based
--- @field start_col integer start column 0-based
--- @field end_col integer end column 0-based
--- @field type string token type as string
---- @field modifiers table token modifiers as a set. E.g., { static = true, readonly = true }
+--- @field modifiers table<string,boolean> token modifiers as a set. E.g., { static = true, readonly = true }
--- @field marked boolean whether this token has had extmarks applied
---
---- @class STCurrentResult
+--- @class (private) STCurrentResult
--- @field version? integer document version associated with this result
--- @field result_id? string resultId from the server; used with delta requests
--- @field highlights? STTokenRange[] cache of highlight ranges for this document version
--- @field tokens? integer[] raw token array as received by the server. used for calculating delta responses
--- @field namespace_cleared? boolean whether the namespace was cleared for this result yet
---
---- @class STActiveRequest
---- @field request_id integer the LSP request ID of the most recent request sent to the server
---- @field version integer the document version associated with the most recent request
+--- @class (private) STActiveRequest
+--- @field request_id? integer the LSP request ID of the most recent request sent to the server
+--- @field version? integer the document version associated with the most recent request
---
---- @class STClientState
+--- @class (private) STClientState
--- @field namespace integer
--- @field active_request STActiveRequest
--- @field current_result STCurrentResult
----@class STHighlighter
+---@class (private) STHighlighter
---@field active table<integer, STHighlighter>
---@field bufnr integer
---@field augroup integer augroup for buffer events
@@ -72,9 +71,11 @@ end
--- Extracts modifier strings from the encoded number in the token array
---
+---@param x integer
+---@param modifiers_table table<integer,string>
---@return table<string, boolean>
local function modifiers_from_number(x, modifiers_table)
- local modifiers = {}
+ local modifiers = {} ---@type table<string,boolean>
local idx = 1
while x > 0 do
if bit.band(x, 1) == 1 then
@@ -89,20 +90,24 @@ end
--- Converts a raw token list to a list of highlight ranges used by the on_win callback
---
+---@param data integer[]
+---@param bufnr integer
+---@param client vim.lsp.Client
+---@param request STActiveRequest
---@return STTokenRange[]
local function tokens_to_ranges(data, bufnr, client, request)
local legend = client.server_capabilities.semanticTokensProvider.legend
local token_types = legend.tokenTypes
local token_modifiers = legend.tokenModifiers
local lines = api.nvim_buf_get_lines(bufnr, 0, -1, false)
- local ranges = {}
+ local ranges = {} ---@type STTokenRange[]
local start = uv.hrtime()
local ms_to_ns = 1000 * 1000
local yield_interval_ns = 5 * ms_to_ns
local co, is_main = coroutine.running()
- local line
+ local line ---@type integer?
local start_char = 0
for i = 1, #data, 5 do
-- if this function is called from the main coroutine, let it run to completion with no yield
@@ -167,6 +172,7 @@ end
---
---@private
---@param bufnr integer
+---@return STHighlighter
function STHighlighter.new(bufnr)
local self = setmetatable({}, { __index = STHighlighter })
@@ -221,7 +227,7 @@ function STHighlighter.new(bufnr)
return self
end
----@private
+---@package
function STHighlighter:destroy()
for client_id, _ in pairs(self.client_state) do
self:detach(client_id)
@@ -231,7 +237,7 @@ function STHighlighter:destroy()
STHighlighter.active[self.bufnr] = nil
end
----@private
+---@package
function STHighlighter:attach(client_id)
local state = self.client_state[client_id]
if not state then
@@ -244,7 +250,7 @@ function STHighlighter:attach(client_id)
end
end
----@private
+---@package
function STHighlighter:detach(client_id)
local state = self.client_state[client_id]
if state then
@@ -267,7 +273,7 @@ end
--- Finally, if the request was successful, the requestId and document version
--- are saved to facilitate document synchronization in the response.
---
----@private
+---@package
function STHighlighter:send_request()
local version = util.buf_versions[self.bufnr]
@@ -303,7 +309,8 @@ function STHighlighter:send_request()
-- look client up again using ctx.client_id instead of using a captured
-- client object
local c = vim.lsp.get_client_by_id(ctx.client_id)
- local highlighter = STHighlighter.active[ctx.bufnr]
+ local bufnr = assert(ctx.bufnr)
+ local highlighter = STHighlighter.active[bufnr]
if not err and c and highlighter then
coroutine.wrap(STHighlighter.process_response)(highlighter, response, c, version)
end
@@ -328,6 +335,7 @@ end
--- Finally, a redraw command is issued to force nvim to redraw the screen to
--- pick up changed highlight tokens.
---
+---@param response lsp.SemanticTokens|lsp.SemanticTokensDelta
---@private
function STHighlighter:process_response(response, client, version)
local state = self.client_state[client.id]
@@ -348,15 +356,15 @@ function STHighlighter:process_response(response, client, version)
-- if we have a response to a delta request, update the state of our tokens
-- appropriately. if it's a full response, just use that
- local tokens
+ local tokens ---@type integer[]
local token_edits = response.edits
if token_edits then
table.sort(token_edits, function(a, b)
return a.start < b.start
end)
- tokens = {}
- local old_tokens = state.current_result.tokens
+ tokens = {} --- @type integer[]
+ local old_tokens = assert(state.current_result.tokens)
local idx = 1
for _, token_edit in ipairs(token_edits) do
vim.list_extend(tokens, old_tokens, idx, token_edit.start)
@@ -404,7 +412,9 @@ end
--- handler to avoid the "blink" that occurs due to the timing between the
--- response handler and the actual redraw.
---
----@private
+---@package
+---@param topline integer
+---@param botline integer
function STHighlighter:on_win(topline, botline)
for client_id, state in pairs(self.client_state) do
local current_result = state.current_result
@@ -450,7 +460,7 @@ function STHighlighter:on_win(topline, botline)
end
local ft = vim.bo[self.bufnr].filetype
- local highlights = current_result.highlights
+ local highlights = assert(current_result.highlights)
local first = lower_bound(highlights, topline, 1, #highlights + 1)
local last = upper_bound(highlights, botline, first, #highlights + 1) - 1
@@ -480,7 +490,7 @@ end
--- Reset the buffer's highlighting state and clears the extmark highlights.
---
----@private
+---@package
function STHighlighter:reset()
for client_id, state in pairs(self.client_state) do
api.nvim_buf_clear_namespace(self.bufnr, state.namespace, 0, -1)
@@ -499,7 +509,7 @@ end
--- in the on_win callback. The rest of the current results are saved
--- in case the server supports delta requests.
---
----@private
+---@package
---@param client_id integer
function STHighlighter:mark_dirty(client_id)
local state = self.client_state[client_id]
@@ -521,7 +531,7 @@ function STHighlighter:mark_dirty(client_id)
end
end
----@private
+---@package
function STHighlighter:on_change()
self:reset_timer()
if self.debounce > 0 then
@@ -562,7 +572,7 @@ local M = {}
---
---@param bufnr integer
---@param client_id integer
----@param opts (nil|table) Optional keyword arguments
+---@param opts? table Optional keyword arguments
--- - debounce (integer, default: 200): Debounce token requests
--- to the server by the given number in milliseconds
function M.start(bufnr, client_id, opts)
@@ -636,6 +646,10 @@ function M.stop(bufnr, client_id)
end
end
+--- @nodoc
+--- @class STTokenRangeInspect : STTokenRange
+--- @field client_id integer
+
--- Return the semantic token(s) at the given position.
--- If called without arguments, returns the token under the cursor.
---
@@ -643,13 +657,14 @@ end
---@param row integer|nil Position row (default cursor position)
---@param col integer|nil Position column (default cursor position)
---
----@return table|nil (table|nil) List of tokens at position. Each token has
+---@return STTokenRangeInspect[]|nil (table|nil) List of tokens at position. Each token has
--- the following fields:
--- - line (integer) line number, 0-based
--- - start_col (integer) start column, 0-based
--- - end_col (integer) end column, 0-based
--- - type (string) token type as string, e.g. "variable"
--- - modifiers (table) token modifiers as a set. E.g., { static = true, readonly = true }
+--- - client_id (integer)
function M.get_at_pos(bufnr, row, col)
if bufnr == nil or bufnr == 0 then
bufnr = api.nvim_get_current_buf()
@@ -665,13 +680,14 @@ function M.get_at_pos(bufnr, row, col)
row, col = cursor[1] - 1, cursor[2]
end
- local tokens = {}
+ local tokens = {} --- @type STTokenRangeInspect[]
for client_id, client in pairs(highlighter.client_state) do
local highlights = client.current_result.highlights
if highlights then
local idx = lower_bound(highlights, row, 1, #highlights + 1)
for i = idx, #highlights do
local token = highlights[i]
+ --- @cast token STTokenRangeInspect
if token.line > row then
break
@@ -712,6 +728,13 @@ function M.force_refresh(bufnr)
end
end
+--- @class vim.lsp.semantic_tokens.highlight_token.Opts
+--- @inlinedoc
+---
+--- Priority for the applied extmark.
+--- (Default: `vim.highlight.priorities.semantic_tokens + 3`)
+--- @field priority? integer
+
--- Highlight a semantic token.
---
--- Apply an extmark with a given highlight group for a semantic token. The
@@ -720,11 +743,9 @@ end
--- use inside |LspTokenUpdate| callbacks.
---@param token (table) a semantic token, found as `args.data.token` in |LspTokenUpdate|.
---@param bufnr (integer) the buffer to highlight
----@param client_id (integer) The ID of the |vim.lsp.client|
+---@param client_id (integer) The ID of the |vim.lsp.Client|
---@param hl_group (string) Highlight group name
----@param opts (table|nil) Optional parameters.
---- - priority: (integer|nil) Priority for the applied extmark. Defaults
---- to `vim.highlight.priorities.semantic_tokens + 3`
+---@param opts? vim.lsp.semantic_tokens.highlight_token.Opts Optional parameters:
function M.highlight_token(token, bufnr, client_id, hl_group, opts)
local highlighter = STHighlighter.active[bufnr]
if not highlighter then
@@ -747,6 +768,7 @@ function M.highlight_token(token, bufnr, client_id, hl_group, opts)
})
end
+--- @package
--- |lsp-handler| for the method `workspace/semanticTokens/refresh`
---
--- Refresh requests are sent by the server to indicate a project-wide change
@@ -754,9 +776,7 @@ end
--- invalidate the current results of all buffers and automatically kick off a
--- new request for buffers that are displayed in a window. For those that aren't, a
--- the BufWinEnter event should take care of it next time it's displayed.
----
----@see https://microsoft.github.io/language-server-protocol/specifications/specification-current/#semanticTokens_refreshRequest
-handlers[ms.workspace_semanticTokens_refresh] = function(err, _, ctx)
+function M._refresh(err, _, ctx)
if err then
return vim.NIL
end