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path: root/server/src/method/textDocument/documentSymbol.lua
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local core = require 'core'

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

local function convertRange(lines, symbol)
    symbol.range = posToRange(lines, symbol.range[1], symbol.range[2])
    symbol.selectionRange = posToRange(lines, symbol.selectionRange[1], symbol.selectionRange[2])

    if symbol.children then
        for _, child in ipairs(symbol.children) do
            convertRange(lines, child)
        end
    end
end

return function (lsp, params)
    local uri = params.textDocument.uri
    local vm, lines = lsp:loadVM(uri)
    if not vm then
        return nil
    end

    local symbols = core.documentSymbol(vm)

    for _, symbol in ipairs(symbols) do
        convertRange(lines, symbol)
    end

    return symbols
end