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Better diagnostics + basic recursion detection in memoized functions

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This commit is contained in:
Andrey Breslav
2013-10-22 13:58:27 +04:00
parent 4aadf6e802
commit ba8bcb2e9a
1 changed files with 2 additions and 2 deletions
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core/util.runtime/src/org/jetbrains/jet/storage/LockBasedStorageManager.java
+2 -2
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@@ -277,13 +277,13 @@ public class LockBasedStorageManager implements StorageManager {
try { try {
V typedValue = compute.invoke(input); V typedValue = compute.invoke(input);
Object oldValue = cache.put(input, WrappedValues.escapeNull(typedValue)); Object oldValue = cache.put(input, WrappedValues.escapeNull(typedValue));
assert oldValue == null : "Race condition detected"; assert oldValue == null : "Race condition or recursion detected. Old value is " + oldValue;
return typedValue; return typedValue;
} }
catch (Throwable throwable) { catch (Throwable throwable) {
Object oldValue = cache.put(input, WrappedValues.escapeThrowable(throwable)); Object oldValue = cache.put(input, WrappedValues.escapeThrowable(throwable));
assert oldValue == null : "Race condition detected"; assert oldValue == null : "Race condition or recursion detected. Old value is " + oldValue;
throw ExceptionUtils.rethrow(throwable); throw ExceptionUtils.rethrow(throwable);
} }