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local files = require 'files'
local guide = require 'parser.guide'
local proto = require 'proto'
local lang = require 'language'
local converter = require 'proto.converter'
local opMap = {
['+'] = true,
['-'] = true,
['*'] = true,
['/'] = true,
['//'] = true,
['^'] = true,
['<<'] = true,
['>>'] = true,
['&'] = true,
['|'] = true,
['~'] = true,
['..'] = true,
}
local literalMap = {
['number'] = true,
['integer'] = true,
['boolean'] = true,
['string'] = true,
['table'] = true,
}
---@async
return function (data)
local uri = data.uri
local text = files.getText(uri)
local ast = files.getState(uri)
if not ast then
return
end
local start, finish = converter.unpackRange(uri, data.range)
local result = guide.eachSourceContain(ast.ast, start, function (source)
if source.start ~= start
or source.finish ~= finish then
return
end
if not source.op or source.op.type ~= 'or' then
return
end
local first = source[1]
local second = source[2]
-- a + b or 0 --> a + (b or 0)
do
if first.op
and opMap[first.op.type]
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 second.op
and opMap[second.op.type]
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
proto.awaitRequest('workspace/applyEdit', {
label = lang.script.COMMAND_REMOVE_SPACE,
edit = {
changes = {
[uri] = {
{
range = converter.packRange(uri, result.start, result.finish),
newText = ('(%s)'):format(text:sub(result.start, result.finish)),
}
},
}
},
})
end
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