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authorMatthew Wild <mwild1@gmail.com>2020-08-28 12:40:59 +0100
committerMatthew Wild <mwild1@gmail.com>2020-08-28 12:40:59 +0100
commit75079963714b6633847f05d015e1adcfde11a8f6 (patch)
tree49dea77a4374620ae7617ec9e488b026e23d366f /util/error.lua
parentc340e3ab373d32fd909e5902538031ed30d9585f (diff)
downloadprosody-75079963714b6633847f05d015e1adcfde11a8f6.tar.gz
prosody-75079963714b6633847f05d015e1adcfde11a8f6.zip
util.error: Allow optional tracebacks to be injected on errors
This allows extra debug info to be provided for development purposes.
Diffstat (limited to 'util/error.lua')
-rw-r--r--util/error.lua15
1 files changed, 15 insertions, 0 deletions
diff --git a/util/error.lua b/util/error.lua
index ca960dd9..b83302fa 100644
--- a/util/error.lua
+++ b/util/error.lua
@@ -8,6 +8,14 @@ local function is_err(e)
return getmetatable(e) == error_mt;
end
+local auto_inject_traceback = false;
+
+local function configure(opt)
+ if opt.auto_inject_traceback ~= nil then
+ auto_inject_traceback = opt.auto_inject_traceback;
+ end
+end
+
-- Do we want any more well-known fields?
-- Or could we just copy all fields from `e`?
-- Sometimes you want variable details in the `text`, how to handle that?
@@ -17,6 +25,12 @@ end
local function new(e, context, registry)
local template = (registry and registry[e]) or e or {};
+ context = context or template.context or { _error_id = e };
+
+ if auto_inject_traceback then
+ context.traceback = debug.traceback("error stack", 2);
+ end
+
return setmetatable({
type = template.type or "cancel";
condition = template.condition or "undefined-condition";
@@ -57,4 +71,5 @@ return {
coerce = coerce;
is_err = is_err;
from_stanza = from_stanza;
+ configure = configure;
}