Add --backend=dev support to roc test#9173
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Allow users to choose the dev backend (native code generation) for test evaluation via `roc test --backend=dev`, as an alternative to the default interpreter. This is useful when the interpreter has bugs (e.g. TypeMismatch errors) that the dev backend doesn't have. The dev path uses DevEvaluator to generate and execute native code for each expect expression. Unsupported expressions are reported as COMPILER_ERROR (yellow) to clearly indicate when the compiler can't handle an expression yet. Crashes are reported as failures. Test reporting now supports a three-state result (passed/failed/compiler_error). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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needs rebasing, but keep open until roc test supports the dev backends |
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Summary
--backend=<interpreter|dev>flag toroc test, allowing users to choose the dev backend (native code generation) for test evaluation--backend=dev, unsupported expressions are reported as COMPILER_ERROR (yellow) rather than failing, giving clear visibility into what the dev backend can't handle yet--backend=interpreter) is unchangedThis is useful when the interpreter has bugs (e.g.
TypeMismatcherrors) that the dev backend doesn't have, letting tests pass that otherwise couldn't.🤖 Generated with Claude Code