Catching Errors in Polyglot Shell #117
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fniephaus
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Jun 16, 2020
- Add support for InteropLibrary's isException/throwException.
- Change default for headless option to true (headless should only be false if TruffleSqueak is started through its launcher).
- Throw SmalltalkExceptions as SqueakInteropException in case another language has triggered the code execution. This makes it possible to catch exceptions in other languages (e.g. JS: `try { Polyglot.eval("smalltalk", "1/0") } catch (error) { console.error("Got:", error) }`)
- Update in-image code to include an appropriate test
Closes #117
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When running Smalltalk in the Polyglot Shell
When an error occurs, e.g. by simply running
1 shouldNotImplementThe Shell freezes and in some cases even cannot be terminated with Ctrl+C
As a developer I would expect an error message to be printed to the Shell and then be able to use the Shell again.
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