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Include stack trace in effect errors

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Olaroll 2026-09-23 14:37:18 +03:00 • committed by centau
parent f3bfc65607
commit 4b467a9b30
1 changed files with 10 additions and 3 deletions
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13
src/graph.luau
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@ -31,7 +31,14 @@ local function efn(err: string)
end
trace ..= "\nsource update stacktrace:"
return trace
return trace
end
local function effect_traceback(err: unknown): string
local message = tostring(err)
-- Nested effect error already has full thread stack
if string.find(message, "^effect error:\n") then return message end
return `effect error:\n{debug.traceback(message, 2)}`
end
local function ycall<T, U>(fn: (T) -> U, arg: T): (boolean, string|U)
@ -181,13 +188,13 @@ local function evaluate_node<T>(node: Node<T>)
destroy_owned(node)
push_scope(node)
local ok, new_value = pcall(node.effect :: (T) -> T, node.cache)
local ok, new_value = xpcall(node.effect :: (T) -> T, effect_traceback, node.cache)
pop_scope()
if not ok then
table.clear(update_queue)
update_queue.n = 0
error(`effect error:\n{new_value}\n`, 0)
error(new_value, 0)
end
node.cache = new_value