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显示table的value时也尝试一下__tostring #337

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显示table的value时也尝试一下__tostring #337

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73 changes: 45 additions & 28 deletions extension/script/backend/worker/variables.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -339,6 +339,40 @@ local function varGetName(v)
return ("%s: %s"):format(type, value)
end

local function varGetStringValueFromMetaMethod(value, tp, allow_lazy)
local meta = rdebug.getmetatablev(value)
if meta == nil then return nil end

local fn = rdebug.fieldv(meta, '__debugger_tostring')
if fn ~= nil then
local ok, res = rdebug.eval(fn, value)
if ok then
return res, tp
else
return "__debugger_tostring error: "..res, tp
end
end

fn = rdebug.fieldv(meta, '__tostring')
if fn ~= nil then
if allow_lazy then
return tp, tp, true
else
local ok, res = rdebug.eval(fn, value)
if ok then
return res, tp
else
return "__tostring error: "..res, tp
end
end
end

local name = rdebug.fieldv(meta, '__name')
if name ~= nil then
return rdebug.tostring(name), tp
end
end

local function varGetShortUserdata(value)
local meta = rdebug.getmetatablev(value)
if meta ~= nil then
Expand Down Expand Up @@ -388,6 +422,13 @@ local function varGetShortValue(v)
end

local function varGetTableValue(t)
do
local ret1, ret2 = varGetStringValueFromMetaMethod(t, "table")
if ret1 then
return ret1, ret2
end
end

local str = ''
do
local loct = rdebug.tablearrayv(t, 1 - arrayBase, SHORT_TABLE_ARRAY)
Expand Down Expand Up @@ -482,35 +523,11 @@ local function varGetFunctionCode(v, value)
end

local function varGetUserdata(value, allow_lazy)
local meta = rdebug.getmetatablev(value)
if meta ~= nil then
local fn = rdebug.fieldv(meta, '__debugger_tostring')
if fn ~= nil then
local ok, res = rdebug.eval(fn, value)
if ok then
return res, "userdata"
else
return "__debugger_tostring error: "..res, "userdata"
end
end
local fn = rdebug.fieldv(meta, '__tostring')
if fn ~= nil then
if allow_lazy then
return 'userdata', "userdata", true
else
local ok, res = rdebug.eval(fn, value)
if ok then
return res, "userdata"
else
return "__tostring error: "..res, "userdata"
end
end
end
local name = rdebug.fieldv(meta, '__name')
if name ~= nil then
return rdebug.tostring(name), "userdata"
end
local ret1, ret2 = varGetStringValueFromMetaMethod(value, "userdata", allow_lazy)
if ret1 then
return ret1, ret2
Comment on lines +526 to +528
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@actboy168 actboy168 Jan 16, 2026

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varGetUserdata会有三个返回值

end

return 'userdata', "userdata"
end

Expand Down