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feat: Catch and print IO errors in REPL #109

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aniva merged 3 commits from repl/io-exception into dev 2024-10-08 23:50:37 -07:00
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1 changed files with 10 additions and 5 deletions
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Main.lean
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@ -33,11 +33,16 @@ partial def loop : MainM Unit := do
-- Using `Lean.Json.compress` here to prevent newline -- Using `Lean.Json.compress` here to prevent newline
IO.println error.compress IO.println error.compress
| .ok command => | .ok command =>
let ret ← execute command try
let str := match state.options.printJsonPretty with let ret ← execute command
| true => ret.pretty let str := match state.options.printJsonPretty with
| false => ret.compress | true => ret.pretty
IO.println str | false => ret.compress
IO.println str
catch e =>
let message ← e.toMessageData.toString
let error := Lean.toJson ({ error := "io", desc := message }: InteractionError)
IO.println error.compress
loop loop