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KT-12019 Highlighting of redundant 'if' statements (#871)

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This commit is contained in:
Vladislav Golub
2016-05-23 21:02:38 +03:00
committed by Dmitry Jemerov
parent cf56ac0305
commit bb32c2d350
12 changed files with 180 additions and 2 deletions
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compiler/frontend/src/org/jetbrains/kotlin/psi/KtPsiUtil.java
+9 -2
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@@ -333,8 +333,15 @@ public class KtPsiUtil {
}
public static boolean isTrueConstant(@Nullable KtExpression condition) {
return (condition != null && condition.getNode().getElementType() == KtNodeTypes.BOOLEAN_CONSTANT &&
condition.getNode().findChildByType(KtTokens.TRUE_KEYWORD) != null);
return isBooleanConstant(condition) && condition.getNode().findChildByType(KtTokens.TRUE_KEYWORD) != null;
}
public static boolean isFalseConstant(@Nullable KtExpression condition) {
return isBooleanConstant(condition) && condition.getNode().findChildByType(KtTokens.FALSE_KEYWORD) != null;
}
private static boolean isBooleanConstant(@Nullable KtExpression condition) {
return condition != null && condition.getNode().getElementType() == KtNodeTypes.BOOLEAN_CONSTANT;
}
public static boolean isAbstract(@NotNull KtDeclarationWithBody declaration) {