summaryrefslogtreecommitdiff
path: root/script/vm/pcall.lua
blob: e5d1e26feb60eaf66255dd905bbae67347a067b3 (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
47
48
49
50
local mt = require 'vm.manager'
local multi = require 'vm.multi'

function mt:callPcall(func, values, source)
    local funcValue = values:first()
    if not funcValue then
        return
    end
    local realFunc = funcValue:getFunction()
    if not realFunc then
        return
    end
    local argList = multi()
    values:eachValue(function (i, v)
        if i >= 2 then
            argList:push(v)
        end
    end)
    self:call(funcValue, argList, source)
    if realFunc ~= func then
        func:setReturn(1, self:createValue('boolean', source))
        realFunc:getReturn():eachValue(function (i, v)
            func:setReturn(i + 1, v)
        end)
    end
end

function mt:callXpcall(func, values, source)
    local funcValue = values:first()
    if not funcValue then
        return
    end
    local realFunc = funcValue:getFunction()
    if not realFunc then
        return
    end
    local argList = multi()
    values:eachValue(function (i, v)
        if i >= 3 then
            argList:push(v)
        end
    end)
    self:call(funcValue, argList, source)
    if realFunc ~= func then
        func:setReturn(1, self:createValue('boolean', source))
        realFunc:getReturn():eachValue(function (i, v)
            func:setReturn(i + 1, v)
        end)
    end
end