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local parser = require 'parser'
local matcher = require 'matcher'
return function (lsp, params)
local uri = params.textDocument.uri
local text = lsp:loadText(uri)
if not text then
return nil, 'Cannot find file: ' .. uri
end
local start_clock = os.clock()
-- lua是从1开始的,因此都要+1
local pos = parser.calcline.position_utf8(text, params.position.line + 1, params.position.character + 1)
local suc, results, info = matcher.implementation(text, pos)
if not suc then
if info then
log.debug(results, uri)
info.lua = nil
log.debug(table.dump(info))
end
return {}
end
local locations = {}
for i, result in ipairs(results) do
local start, finish = result[1], result[2]
local start_row, start_col = parser.calcline.rowcol_utf8(text, start)
local finish_row, finish_col = parser.calcline.rowcol_utf8(text, finish)
locations[i] = {
uri = uri,
range = {
start = {
line = start_row - 1,
character = start_col - 1,
},
['end'] = {
line = finish_row - 1,
-- 这里不用-1,因为前端期待的是匹配完成后的位置
character = finish_col,
},
}
}
end
local response = locations
local passed_clock = os.clock() - start_clock
if passed_clock >= 0.01 then
log.warn(('[Goto Implementation] takes [%.3f] sec, size [%s] bits.'):format(passed_clock, #text))
end
return response
end
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