Snapshot idea/138.1029 from git://git.jetbrains.org/idea/community.git

Update from idea/138.538 to idea/138.1029

Change-Id: I828f829a968439a99ec67640990c18ff7c9b58ce

1 files changed, 33 insertions, 0 deletions

diff --git a/plugins/structuralsearch/structuralsearch-java/src/com/intellij/structuralsearch/impl/matcher/predicates/WritePredicate.java b/plugins/structuralsearch/structuralsearch-java/src/com/intellij/structuralsearch/impl/matcher/predicates/WritePredicate.java
new file mode 100644
index 000000000000..e0d86824a920
--- /dev/null
+++ b/plugins/structuralsearch/structuralsearch-java/src/com/intellij/structuralsearch/impl/matcher/predicates/WritePredicate.java
@@ -0,0 +1,33 @@
+package com.intellij.structuralsearch.impl.matcher.predicates;
+
+import com.intellij.psi.*;
+import com.intellij.structuralsearch.impl.matcher.handlers.MatchPredicate;
+import com.intellij.structuralsearch.impl.matcher.MatchContext;
+import com.intellij.structuralsearch.impl.matcher.MatchUtils;
+
+/**
+ * Handler for reading
+ */
+public final class WritePredicate extends MatchPredicate {
+  public boolean match(PsiElement patternNode, PsiElement matchedNode, MatchContext context) {
+    if (matchedNode instanceof PsiIdentifier) {
+      matchedNode = matchedNode.getParent();
+    }
+    if (( matchedNode instanceof PsiReferenceExpression &&
+          matchedNode.getParent() instanceof PsiAssignmentExpression &&
+          ((PsiAssignmentExpression)matchedNode.getParent()).getLExpression() == matchedNode &&
+          MatchUtils.getReferencedElement(matchedNode) instanceof PsiVariable
+        ) ||
+        (
+          matchedNode instanceof PsiVariable &&
+          ((PsiVariable)matchedNode).getInitializer()!=null
+        ) ||
+        matchedNode.getParent() instanceof PsiPostfixExpression ||
+        matchedNode.getParent() instanceof PsiPrefixExpression
+       ) {
+      return true;
+    } else {
+      return false;
+    }
+  }
+}