nixos/lua-lsp/script/core/command/autoRequire.lua

160 lines
4.1 KiB
Lua

local files = require 'files'
local furi = require 'file-uri'
local config = require 'config'
local rpath = require 'workspace.require-path'
local client = require 'client'
local lang = require 'language'
local guide = require 'parser.guide'
local function inComment(state, pos)
for _, comm in ipairs(state.comms) do
if comm.start <= pos and comm.finish >= pos then
return true
end
if comm.start > pos then
break
end
end
return false
end
local function findInsertRow(uri)
local text = files.getText(uri)
local state = files.getState(uri)
if not state or not text then
return
end
local lines = state.lines
local fmt = {
pair = false,
quot = '"',
col = nil,
}
local row
for i = 0, #lines do
if inComment(state, guide.positionOf(i, 0)) then
goto CONTINUE
end
local ln = lines[i]
local lnText = text:match('[^\r\n]*', ln)
if not lnText:find('require', 1, true) then
if row then
break
end
if not lnText:match '^local%s'
and not lnText:match '^%s*$'
and not lnText:match '^%-%-' then
break
end
else
row = i + 1
local lpPos = lnText:find '%('
if lpPos then
fmt.pair = true
else
fmt.pair = false
end
local quot = lnText:match [=[(['"])]=]
fmt.quot = quot or fmt.quot
local eqPos = lnText:find '='
if eqPos then
fmt.col = eqPos
end
end
::CONTINUE::
end
return row or 0, fmt
end
---@async
local function askAutoRequire(uri, visiblePaths)
local selects = {}
local nameMap = {}
for _, visible in ipairs(visiblePaths) do
local expect = visible.name
local select = lang.script(expect)
if not nameMap[select] then
nameMap[select] = expect
selects[#selects+1] = select
end
end
local disable = lang.script.COMPLETION_DISABLE_AUTO_REQUIRE
selects[#selects+1] = disable
local result = client.awaitRequestMessage('Info'
, lang.script.COMPLETION_ASK_AUTO_REQUIRE
, selects
)
if not result then
return
end
if result == disable then
client.setConfig {
{
key = 'Lua.completion.autoRequire',
action = 'set',
value = false,
uri = uri,
}
}
return
end
return nameMap[result]
end
local function applyAutoRequire(uri, row, name, result, fmt)
local quotedResult = ('%q'):format(result)
if fmt.quot == "'" then
quotedResult = ([['%s']]):format(quotedResult:sub(2, -2)
:gsub([[']], [[\']])
:gsub([[\"]], [["]])
)
end
if fmt.pair then
quotedResult = ('(%s)'):format(quotedResult)
else
quotedResult = (' %s'):format(quotedResult)
end
local sp = ' '
local text = ('local %s'):format(name)
if fmt.col and fmt.col > #text then
sp = (' '):rep(fmt.col - #text - 1)
end
text = ('local %s%s= require%s\n'):format(name, sp, quotedResult)
client.editText(uri, {
{
start = guide.positionOf(row, 0),
finish = guide.positionOf(row, 0),
text = text,
}
})
end
---@async
return function (data)
local uri = data.uri
local target = data.target
local name = data.name
local state = files.getState(uri)
if not state then
return
end
local path = furi.decode(target)
local visiblePaths = rpath.getVisiblePath(uri, path)
if not visiblePaths or #visiblePaths == 0 then
return
end
table.sort(visiblePaths, function (a, b)
return #a.name < #b.name
end)
local result = askAutoRequire(uri, visiblePaths)
if not result then
return
end
local offset, fmt = findInsertRow(uri)
applyAutoRequire(uri, offset, name, result, fmt)
end