42 lines
1.1 KiB
Standard ML
Executable file
42 lines
1.1 KiB
Standard ML
Executable file
#!/usr/bin/env fun
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/*
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* This file is part of the Fun programming language.
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* https://fun-lang.xyz/
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*
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* Copyright 2025 Johannes Findeisen <you@hanez.org>
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* Licensed under the terms of the Apache-2.0 license.
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* https://opensource.org/license/apache-2-0
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*
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* Added: 2025-10-06
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*/
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// Demonstration of --repl-on-error debugging.
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// Run: fun --repl-on-error examples/repl_on_error.fun
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// When the runtime error occurs, the REPL opens. Try commands:
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// :backtrace
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// :stack
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// :locals
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//
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// This script triggers an index-out-of-range error inside a nested call.
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fun inner()
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a = [1, 2, 3]
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// Out-of-range access to cause a runtime error:
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print(a[10])
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fun outer()
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inner()
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outer()
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/* Expected output (ruuning with --repl-on-error you will end up in the REPL
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* with full stack access; :backtrace, :stack and :locals):
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Runtime error: index out of range
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(at ./examples/repl_on_error.fun:12 in inner, op INDEX_GET @ip 9)
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Entering REPL due to runtime error (code 1)
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(at ./examples/repl_on_error.fun:12 in inner, op INDEX_GET @ip 9)
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Fun 0.25.0 REPL
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Type :help for commands. Submit an empty line to run.
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fun>
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*/
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