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Diffstat (limited to 'new-luxc/source/luxc/lang.lux')
| -rw-r--r-- | new-luxc/source/luxc/lang.lux | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/new-luxc/source/luxc/lang.lux b/new-luxc/source/luxc/lang.lux index 4aa47754a..b85409fb9 100644 --- a/new-luxc/source/luxc/lang.lux +++ b/new-luxc/source/luxc/lang.lux @@ -243,3 +243,15 @@ (if (n.= underflow idx) output (recur (n.dec idx) (format (|> (text;nth idx name) maybe;assume normalize-char) output))))) + +(exception: #export Error) + +(def: #export (with-error-tracking action) + (All [a] (-> (Meta a) (Meta a))) + (function [compiler] + (case (action compiler) + (#e;Error error) + ((throw Error error) compiler) + + output + output))) |