diff options
Diffstat (limited to 'java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/DfaMemoryState.java')
| -rw-r--r-- | java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/DfaMemoryState.java | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/DfaMemoryState.java b/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/DfaMemoryState.java index 8309670020ab..106267affda4 100644 --- a/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/DfaMemoryState.java +++ b/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/DfaMemoryState.java @@ -59,4 +59,13 @@ public interface DfaMemoryState { @Nullable DfaConstValue getConstantValue(DfaVariableValue value); + + /** + * Ephemeral means a state that was created when considering a method contract and checking if one of its arguments is null. + * With explicit null check, that would result in any non-annotated variable being treated as nullable and producing possible NPE warnings later. + * With contracts, we don't want this. So the state where this variable is null is marked ephemeral and no NPE warnings are issued for such states. + */ + void markEphemeral(); + + boolean isEphemeral(); } |