352 lines
9.4 KiB
Lua
352 lines
9.4 KiB
Lua
local util = require("util")
|
|
|
|
local GROUP = vim.api.nvim_create_augroup("ow.lsp.codelens", { clear = true })
|
|
local NS = vim.api.nvim_create_namespace("ow.lsp.codelens")
|
|
local REFRESH_DEBOUNCE_MS = 200
|
|
|
|
local M = {}
|
|
|
|
---@alias ow.lsp.codelens.Position "eol" | "right_align" | "inline" | "above"
|
|
|
|
---@type ow.lsp.codelens.Position
|
|
local position = "above"
|
|
local separator = " | "
|
|
|
|
---@type table<integer, ow.lsp.codelens.State>
|
|
local state_by_buf = {}
|
|
|
|
local refresh_debounced = util.debounce(function(buf)
|
|
local state = state_by_buf[buf]
|
|
if state then
|
|
state:refresh()
|
|
end
|
|
end, REFRESH_DEBOUNCE_MS)
|
|
|
|
---@class ow.lsp.codelens.Row
|
|
---@field row integer
|
|
---@field ready lsp.CodeLens[]
|
|
---@field pending integer
|
|
local Row = {}
|
|
Row.__index = Row
|
|
|
|
---@param row integer
|
|
---@return ow.lsp.codelens.Row
|
|
function Row.new(row)
|
|
return setmetatable({ row = row, ready = {}, pending = 0 }, Row)
|
|
end
|
|
|
|
---@param lens lsp.CodeLens
|
|
function Row:add(lens)
|
|
table.insert(self.ready, lens)
|
|
end
|
|
|
|
function Row:await()
|
|
self.pending = self.pending + 1
|
|
end
|
|
|
|
---@param resolved? lsp.CodeLens
|
|
function Row:resolved(resolved)
|
|
self.pending = self.pending - 1
|
|
if resolved then
|
|
table.insert(self.ready, resolved)
|
|
end
|
|
end
|
|
|
|
---@param buf integer
|
|
function Row:render(buf)
|
|
if not vim.api.nvim_buf_is_valid(buf) then
|
|
return
|
|
end
|
|
if self.pending > 0 or #self.ready == 0 then
|
|
return
|
|
end
|
|
|
|
table.sort(self.ready, function(a, b)
|
|
return a.range.start.character < b.range.start.character
|
|
end)
|
|
local parts = {}
|
|
for i, lens in ipairs(self.ready) do
|
|
table.insert(parts, { lens.command.title, "LspCodeLens" })
|
|
if i < #self.ready then
|
|
table.insert(parts, { separator, "LspCodeLensSeparator" })
|
|
end
|
|
end
|
|
|
|
local col, opts
|
|
if position == "above" then
|
|
local line = vim.api.nvim_buf_get_lines(
|
|
buf,
|
|
self.row,
|
|
self.row + 1,
|
|
false
|
|
)[1] or ""
|
|
local indent = line:match("^%s*") or ""
|
|
local chunks = parts
|
|
if indent ~= "" then
|
|
chunks = { { indent, "LspCodeLensSeparator" } }
|
|
vim.list_extend(chunks, parts)
|
|
end
|
|
col = 0
|
|
opts = {
|
|
virt_lines = { chunks },
|
|
virt_lines_above = true,
|
|
hl_mode = "combine",
|
|
}
|
|
else
|
|
col = position == "inline" and self.ready[1].range.start.character or 0
|
|
opts = {
|
|
virt_text = parts,
|
|
virt_text_pos = position,
|
|
hl_mode = "combine",
|
|
}
|
|
end
|
|
|
|
-- One extmark per row. Extmarks auto-shift with edits, so multiple from
|
|
-- prior refreshes can end up on the same row; pick the first and drop
|
|
-- the rest, then reuse its id for an atomic update.
|
|
local marks = vim.api.nvim_buf_get_extmarks(
|
|
buf,
|
|
NS,
|
|
{ self.row, 0 },
|
|
{ self.row, -1 },
|
|
{ details = true }
|
|
)
|
|
local primary
|
|
for i, mark in ipairs(marks) do
|
|
if i == 1 then
|
|
primary = { id = mark[1], col = mark[3], details = mark[4] }
|
|
else
|
|
vim.api.nvim_buf_del_extmark(buf, NS, mark[1])
|
|
end
|
|
end
|
|
|
|
if primary and primary.col == col and primary.details then
|
|
local d = primary.details --[[@as vim.api.keyset.extmark_details]]
|
|
local same = opts.virt_lines
|
|
and vim.deep_equal(d.virt_lines, opts.virt_lines)
|
|
and d.virt_lines_above == opts.virt_lines_above
|
|
or not opts.virt_lines
|
|
and d.virt_text_pos == opts.virt_text_pos
|
|
and vim.deep_equal(d.virt_text, opts.virt_text)
|
|
if same then
|
|
return
|
|
end
|
|
end
|
|
|
|
opts.id = primary and primary.id or nil
|
|
vim.api.nvim_buf_set_extmark(buf, NS, self.row, col, opts)
|
|
end
|
|
|
|
---@class ow.lsp.codelens.State
|
|
---@field buf integer
|
|
---@field enabled boolean
|
|
---@field attached boolean
|
|
---@field generation integer
|
|
---@field rows table<integer, ow.lsp.codelens.Row>
|
|
local State = {}
|
|
State.__index = State
|
|
|
|
---@param buf integer
|
|
---@return ow.lsp.codelens.State
|
|
function State.new(buf)
|
|
return setmetatable({
|
|
buf = buf,
|
|
enabled = false,
|
|
attached = false,
|
|
generation = 0,
|
|
rows = {},
|
|
}, State)
|
|
end
|
|
|
|
function State:render()
|
|
if not vim.api.nvim_buf_is_valid(self.buf) then
|
|
return
|
|
end
|
|
if not self.enabled then
|
|
vim.api.nvim_buf_clear_namespace(self.buf, NS, 0, -1)
|
|
return
|
|
end
|
|
|
|
for _, row in pairs(self.rows) do
|
|
row:render(self.buf)
|
|
end
|
|
|
|
for _, mark in
|
|
ipairs(vim.api.nvim_buf_get_extmarks(self.buf, NS, 0, -1, {}))
|
|
do
|
|
if not self.rows[mark[2]] then
|
|
vim.api.nvim_buf_del_extmark(self.buf, NS, mark[1])
|
|
end
|
|
end
|
|
end
|
|
|
|
function State:refresh()
|
|
if not self.enabled then
|
|
return
|
|
end
|
|
|
|
self.generation = self.generation + 1
|
|
local gen = self.generation
|
|
local params = {
|
|
textDocument = vim.lsp.util.make_text_document_params(self.buf),
|
|
}
|
|
local new_rows = {}
|
|
|
|
vim.lsp.buf_request_all(
|
|
self.buf,
|
|
vim.lsp.protocol.Methods.textDocument_codeLens,
|
|
params,
|
|
function(results)
|
|
if self.generation ~= gen then
|
|
return
|
|
end
|
|
for client_id, response in pairs(results) do
|
|
if not response.err and type(response.result) == "table" then
|
|
local client = vim.lsp.get_client_by_id(client_id)
|
|
for _, lens in ipairs(response.result) do
|
|
local row_num = lens.range.start.line
|
|
local row = new_rows[row_num]
|
|
if not row then
|
|
row = Row.new(row_num)
|
|
new_rows[row_num] = row
|
|
end
|
|
if lens.command then
|
|
row:add(lens)
|
|
elseif
|
|
client
|
|
and client:supports_method(
|
|
vim.lsp.protocol.Methods.codeLens_resolve
|
|
)
|
|
then
|
|
row:await()
|
|
client:request(
|
|
vim.lsp.protocol.Methods.codeLens_resolve,
|
|
lens,
|
|
function(_, resolved)
|
|
if self.generation ~= gen then
|
|
return
|
|
end
|
|
row:resolved(
|
|
type(resolved) == "table" and resolved
|
|
or nil
|
|
)
|
|
row:render(self.buf)
|
|
end,
|
|
self.buf
|
|
)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
self.rows = new_rows
|
|
self:render()
|
|
end
|
|
)
|
|
end
|
|
|
|
function State:attach()
|
|
if self.attached then
|
|
return
|
|
end
|
|
self.attached = true
|
|
vim.api.nvim_buf_attach(self.buf, false, {
|
|
on_lines = function()
|
|
if not self.enabled then
|
|
self.attached = false
|
|
return true
|
|
end
|
|
refresh_debounced:call(self.buf)
|
|
end,
|
|
on_reload = function()
|
|
if self.enabled then
|
|
refresh_debounced:call(self.buf)
|
|
end
|
|
end,
|
|
on_detach = function()
|
|
self.attached = false
|
|
end,
|
|
})
|
|
end
|
|
|
|
---@param value boolean
|
|
function State:enable(value)
|
|
self.enabled = value
|
|
if value then
|
|
self:attach()
|
|
self:refresh()
|
|
else
|
|
refresh_debounced:cancel(self.buf)
|
|
self:render()
|
|
end
|
|
end
|
|
|
|
function State:toggle()
|
|
self:enable(not self.enabled)
|
|
end
|
|
|
|
---@param buf integer
|
|
---@return ow.lsp.codelens.State
|
|
local function get_state(buf)
|
|
state_by_buf[buf] = state_by_buf[buf] or State.new(buf)
|
|
return state_by_buf[buf]
|
|
end
|
|
|
|
---@param buf? integer
|
|
---@return boolean
|
|
function M.is_enabled(buf)
|
|
buf = buf or vim.api.nvim_get_current_buf()
|
|
local state = state_by_buf[buf]
|
|
return state ~= nil and state.enabled
|
|
end
|
|
|
|
---@param value? boolean
|
|
---@param buf? integer
|
|
function M.enable(value, buf)
|
|
if value == nil then
|
|
value = true
|
|
end
|
|
buf = buf or vim.api.nvim_get_current_buf()
|
|
get_state(buf):enable(value)
|
|
end
|
|
|
|
---@param buf? integer
|
|
function M.toggle(buf)
|
|
buf = buf or vim.api.nvim_get_current_buf()
|
|
get_state(buf):toggle()
|
|
end
|
|
|
|
---@class ow.lsp.codelens.SetupOpts
|
|
---@field position? ow.lsp.codelens.Position
|
|
---@field separator? string
|
|
|
|
---@param opts? ow.lsp.codelens.SetupOpts
|
|
function M.setup(opts)
|
|
opts = opts or {}
|
|
if opts.position ~= nil then
|
|
position = opts.position
|
|
end
|
|
if opts.separator ~= nil then
|
|
separator = opts.separator
|
|
end
|
|
|
|
vim.api.nvim_create_autocmd({ "BufEnter", "LspAttach" }, {
|
|
group = GROUP,
|
|
callback = function(ev)
|
|
local state = state_by_buf[ev.buf]
|
|
if state and state.enabled then
|
|
state:refresh()
|
|
end
|
|
end,
|
|
})
|
|
|
|
vim.api.nvim_create_autocmd({ "BufDelete", "BufWipeout" }, {
|
|
group = GROUP,
|
|
callback = function(ev)
|
|
refresh_debounced:cancel(ev.buf)
|
|
state_by_buf[ev.buf] = nil
|
|
end,
|
|
})
|
|
end
|
|
|
|
return M
|