platform/structuralsearch/source/com/intellij/structuralsearch/impl/matcher/handlers/SymbolHandler.java

package com.intellij.structuralsearch.impl.matcher.handlers;

import com.intellij.psi.PsiElement;
import com.intellij.structuralsearch.impl.matcher.MatchContext;

/**
 * Search handler for symbol search
 */
public class SymbolHandler extends MatchingHandler {
  private final SubstitutionHandler handler;

  public SymbolHandler(SubstitutionHandler handler) {
    this.handler = handler;
  }

  public boolean match(PsiElement patternNode, PsiElement matchedNode, MatchContext context) {
    // there is no need to do filtering since this is delegate of Substituion handler

    return handler.handle(matchedNode,context);
  }
}