summaryrefslogtreecommitdiff
path: root/server/src/method/textDocument/definition.lua
blob: 3a17b4636ca22a9ebdc11664dabcfd1d15f7b300 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
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, '找不到文件:' .. 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, start, finish = matcher.definition(text, pos)
    if not suc then
        if finish then
            log.debug(start, uri)
            finish.lua = nil
            log.debug(table.dump(finish))
        end
        return {}
    end

    local start_row,  start_col  = parser.calcline.rowcol_utf8(text, start)
    local finish_row, finish_col = parser.calcline.rowcol_utf8(text, finish)

    local response = {
        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,
            },
        },
    }
    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, #text))
    end

    return response
end