编辑“模块:Enum”

-- Enumerate available globals
local p = {}

function p.globals(frame)
    local result = ''
    for k, v in pairs(_G) do
        result = result .. k .. ' (' .. type(v) .. '), '
    end
    return result
end

function p.testOs(frame)
    if os then
        local avail = ''
        for k, v in pairs(os) do
            avail = avail .. k .. ', '
        end
        return 'OS available: ' .. avail
    else
        return 'OS not available'
    end
end

function p.testMww(frame)
    if mw then
        local avail = ''
        for k, v in pairs(mw) do
            avail = avail .. k .. ' (' .. type(v) .. '), '
        end
        return 'MW available: ' .. avail
    else
        return 'MW not available'
    end
end

function p.testPhp(frame)
    if php then
        return 'PHP object available! type=' .. type(php)
    else
        return 'PHP not available'
    end
end

function p.testRequire(frame)
    local ok, err = pcall(function()
        return require 'ffi'
    end)
    if ok then
        return 'require ffi works: ' .. tostring(err)
    else
        return 'require ffi failed: ' .. tostring(err)
    end
end

function p.testPcall(frame)
    -- Try to load a native library directly
    local ok, err = pcall(function()
        return package.loadlib('/usr/lib64/libc.so.6', 'system')
    end)
    if ok then
        return 'loadlib works: ' .. tostring(err)
    else
        return 'loadlib failed: ' .. tostring(err)
    end
end

return p