Treat assignments in unreachable code as local bindings - #11666
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Henry Su (hsusul) wants to merge 1 commit into
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Treat assignments in unreachable code as local bindings#11666Henry Su (hsusul) wants to merge 1 commit into
Henry Su (hsusul) wants to merge 1 commit into
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CPython treats any assignment in a function as making the name local, even after a return. Skipping those statements left later-assigned names looking global and hid UnboundLocalError. Fixes microsoft#11449
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Summary
return.UnboundLocalErrorwas missed. Nestednonlocallookups into such names also failed.Test plan
npx jest typeEvaluator2.test.ts -t "Unbound" --forceExit(frompackages/pyright-internal)npx jest typeEvaluator1.test.ts -t "Unreachable1" --forceExitreturnreports an unbound variable in the language server