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local rpc = require 'rpc'
local lang = require 'language'
local command = {}
local function isContainPos(obj, start, finish)
if obj.start <= start and obj.finish >= finish then
return true
end
return false
end
local function isInString(vm, start, finish)
return vm:eachSource(function (source)
if source.type == 'string' and isContainPos(source, start, finish) then
return true
end
end)
end
local function posToRange(lines, start, finish)
local start_row, start_col = lines:rowcol(start)
local finish_row, finish_col = lines:rowcol(finish)
return {
start = {
line = start_row - 1,
character = start_col - 1,
},
['end'] = {
line = finish_row - 1,
character = finish_col,
},
}
end
--- @param lsp LSP
--- @param data table
command['lua.removeSpace'] = function (lsp, data)
local uri = data.uri
local vm, lines = lsp:getVM(uri)
if not vm then
return
end
local textEdit = {}
for i = 1, #lines do
local line = lines:line(i)
local pos = line:find '[ \t]+$'
if pos then
local start, finish = lines:range(i)
start = start + pos - 1
if isInString(vm, start, finish) then
goto NEXT_LINE
end
textEdit[#textEdit+1] = {
range = posToRange(lines, start, finish),
newText = '',
}
goto NEXT_LINE
end
::NEXT_LINE::
end
if #textEdit == 0 then
return
end
rpc:request('workspace/applyEdit', {
label = lang.script.COMMAND_REMOVE_SPACE,
edit = {
changes = {
[uri] = textEdit,
}
},
})
end
local opMap = {
['+'] = true,
['-'] = true,
['*'] = true,
['/'] = true,
['//'] = true,
['^'] = true,
['<<'] = true,
['>>'] = true,
['&'] = true,
['|'] = true,
['~'] = true,
['..'] = true,
}
local literalMap = {
['number'] = true,
['boolean'] = true,
['string'] = true,
['table'] = true,
}
--- @param lsp LSP
--- @param data table
command['lua.solve'] = function (lsp, data)
local uri = data.uri
local vm, lines = lsp:getVM(uri)
if not vm then
return
end
local start = lines:position(data.range.start.line + 1, data.range.start.character + 1)
local finish = lines:position(data.range['end'].line + 1, data.range['end'].character)
local result = vm:eachSource(function (source)
if not isContainPos(source, start, finish) then
return
end
if source.op ~= 'or' then
return
end
local first = source[1]
local second = source[2]
-- (a + b) or 0 --> a + (b or 0)
do
if opMap[first.op]
and first.type ~= 'unary'
and not second.op
and literalMap[second.type]
then
return {
start = source[1][2].start,
finish = source[2].finish,
}
end
end
-- a or (b + c) --> (a or b) + c
do
if opMap[second.op]
and second.type ~= 'unary'
and not first.op
and literalMap[second[1].type]
then
return {
start = source[1].start,
finish = source[2][1].finish,
}
end
end
end)
if not result then
return
end
rpc:request('workspace/applyEdit', {
label = lang.script.COMMAND_ADD_BRACKETS,
edit = {
changes = {
[uri] = {
{
range = posToRange(lines, result.start, result.start - 1),
newText = '(',
},
{
range = posToRange(lines, result.finish + 1, result.finish),
newText = ')',
},
}
}
},
})
end
--- @param lsp LSP
--- @param params table
return function (lsp, params)
local name = params.command
if not command[name] then
return
end
local result = command[name](lsp, params.arguments[1])
return result
end
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