1 files changed, 42 insertions, 0 deletions
diff --git a/java/structuralsearch-java/src/com/intellij/structuralsearch/impl/matcher/strategies/MatchingStrategyBase.java b/java/structuralsearch-java/src/com/intellij/structuralsearch/impl/matcher/strategies/MatchingStrategyBase.java
new file mode 100644
index 000000000000..df6e0fd46832
--- /dev/null
+++ b/java/structuralsearch-java/src/com/intellij/structuralsearch/impl/matcher/strategies/MatchingStrategyBase.java
@@ -0,0 +1,42 @@
+package com.intellij.structuralsearch.impl.matcher.strategies;
+
+import com.intellij.dupLocator.util.NodeFilter;
+import com.intellij.psi.*;
+
+/**
+ * Base filtering strategy to find statements
+ */
+public class MatchingStrategyBase extends JavaElementVisitor implements MatchingStrategy, NodeFilter {
+  protected boolean result;
+
+  @Override public void visitReferenceExpression(final PsiReferenceExpression psiReferenceExpression) {
+    visitExpression(psiReferenceExpression);
+  }
+
+  @Override public void visitCodeBlock(final PsiCodeBlock block) {
+    result = true;
+  }
+  
+  @Override public void visitCatchSection(final PsiCatchSection section) {
+    result = true;
+  }
+
+  @Override public void visitStatement(final PsiStatement statement) {
+    result = true;
+  }
+
+  public boolean continueMatching(final PsiElement start) {
+    return accepts(start);
+  }
+
+  @Override
+  public boolean shouldSkip(PsiElement element, PsiElement elementToMatchWith) {
+    return false;
+  }
+
+  public boolean accepts(PsiElement element) {
+    result = false;
+    if (element!=null) element.accept(this);
+    return result;
+  }
+}