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author | Tor Norbye <tnorbye@google.com> | 2014-08-21 00:31:02 +0000 |
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committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2014-08-16 04:55:08 +0000 |
commit | 9cde0e3c015174898df8b8f3672185941fad4786 (patch) | |
tree | 80a55c7b59c38377216daaada4e8bc47b69ceb9a /java/java-psi-api/src/com/intellij/psi/util/RedundantCastUtil.java | |
parent | 3b37877a2561bf9fbe072253a18688807d523505 (diff) | |
parent | d76e3920c56d37c942092b7dca20fcaded81c0a5 (diff) | |
download | idea-9cde0e3c015174898df8b8f3672185941fad4786.tar.gz |
Merge "Merge remote-tracking branch 'aosp/upstream-master' into merge"
Diffstat (limited to 'java/java-psi-api/src/com/intellij/psi/util/RedundantCastUtil.java')
-rw-r--r-- | java/java-psi-api/src/com/intellij/psi/util/RedundantCastUtil.java | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/java/java-psi-api/src/com/intellij/psi/util/RedundantCastUtil.java b/java/java-psi-api/src/com/intellij/psi/util/RedundantCastUtil.java index d4382b40db7a..ccb606d51376 100644 --- a/java/java-psi-api/src/com/intellij/psi/util/RedundantCastUtil.java +++ b/java/java-psi-api/src/com/intellij/psi/util/RedundantCastUtil.java @@ -541,8 +541,17 @@ public class RedundantCastUtil { } } } - if (parent instanceof PsiInstanceOfExpression || (TypeConversionUtil.isAssignable(castTo, opType, false) && - (expectedTypeByParent == null || TypeConversionUtil.isAssignable(expectedTypeByParent, opType, false)))) { + if (parent instanceof PsiInstanceOfExpression) { + //15.20.2. Type Comparison Operator instanceof: + //If a cast (ยง15.16) of the RelationalExpression to the ReferenceType would be rejected as a compile-time error, + //then the instanceof relational expression likewise produces a compile-time error. + final PsiTypeElement checkTypeElement = ((PsiInstanceOfExpression)parent).getCheckType(); + if (checkTypeElement != null && TypeConversionUtil.areTypesConvertible(opType, checkTypeElement.getType())) { + addToResults(typeCast); + } + } + else if (TypeConversionUtil.isAssignable(castTo, opType, false) && + (expectedTypeByParent == null || TypeConversionUtil.isAssignable(expectedTypeByParent, opType, false))) { addToResults(typeCast); } } |