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local parser = require 'parser'
local matcher = require 'matcher'
return function (lsp, params)
local start_clock = os.clock()
local uri = params.textDocument.uri
local ast, lines = lsp:loadText(uri)
if not ast then
return nil, '找不到文件：' .. uri
end
-- lua是从1开始的，因此都要+1
local position = lines:position(params.position.line + 1, params.position.character + 1)
local suc, results = matcher.definition(ast, position, 'utf8')
if not suc then
return {}
end
local locations = {}
for i, result in ipairs(results) do
local start, finish = result[1], result[2]
local start_row, start_col = lines:rowcol(start, 'utf8')
local finish_row, finish_col = lines:rowcol(finish, 'utf8')
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(('[转到定义]耗时[%.3f]秒，文件大小[%s]字节'):format(passed_clock, #lines.buf))
end
return response
end
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