NormalAnnotationExpr.java

/* 
  Copyright (C) 2013 Raquel Pau and Albert Coroleu.
 
 Walkmod is free software: you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.
 
 Walkmod is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public License
 along with Walkmod.  If not, see <http://www.gnu.org/licenses/>.*/
package org.walkmod.javalang.ast.expr;

import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import org.walkmod.javalang.ast.Node;
import org.walkmod.javalang.ast.ScopeAware;
import org.walkmod.javalang.ast.SymbolDefinition;
import org.walkmod.javalang.visitors.GenericVisitor;
import org.walkmod.javalang.visitors.VoidVisitor;
import org.walkmod.merger.MergeEngine;

/**
 * @author Julio Vilmar Gesser
 */
public final class NormalAnnotationExpr extends AnnotationExpr {

   private List<MemberValuePair> pairs;

   public NormalAnnotationExpr() {
   }

   public NormalAnnotationExpr(NameExpr name, List<MemberValuePair> pairs) {
      setName(name);
      setPairs(pairs);
   }

   public NormalAnnotationExpr(int beginLine, int beginColumn, int endLine, int endColumn, NameExpr name,
         List<MemberValuePair> pairs) {
      super(beginLine, beginColumn, endLine, endColumn);
      setName(name);
      setPairs(pairs);
   }

   @Override
   public boolean removeChild(Node child) {
      boolean result = false;
      if (child != null) {
         result = super.removeChild(child);
         if (!result) {
            if (pairs != null) {
               List<MemberValuePair> pairsAux = new LinkedList<MemberValuePair>(pairs);
               result = pairsAux.remove(child);
               pairs = pairsAux;
            }
         }
      }
      if(result){
         updateReferences(child);
      }
      return result;
   }

   @Override
   public List<Node> getChildren() {
      List<Node> children = super.getChildren();
      if (pairs != null) {
         children.addAll(pairs);
      }

      return children;
   }

   @Override
   public <R, A> R accept(GenericVisitor<R, A> v, A arg) {
      if (!check()) {
         return null;
      }
      return v.visit(this, arg);
   }

   @Override
   public <A> void accept(VoidVisitor<A> v, A arg) {
      if (check()) {
         v.visit(this, arg);
      }
   }

   public List<MemberValuePair> getPairs() {
      return pairs;
   }

   public void setPairs(List<MemberValuePair> pairs) {
      this.pairs = pairs;
      setAsParentNodeOf(pairs);
   }

   @Override
   public void merge(AnnotationExpr t1, MergeEngine configuration) {

      List<MemberValuePair> pairsList = new LinkedList<MemberValuePair>();
      configuration.apply(getPairs(), ((NormalAnnotationExpr) t1).getPairs(), pairsList, MemberValuePair.class);
      if (!pairsList.isEmpty()) {
         setPairs(pairsList);
      } else {
         setPairs(null);
      }

   }

   @Override
   public boolean replaceChildNode(Node oldChild, Node newChild) {
      return replaceChildNodeInList(oldChild, newChild, pairs);
   }

   @Override
   public NormalAnnotationExpr clone() throws CloneNotSupportedException {

      return new NormalAnnotationExpr(clone(name), clone(pairs));
   }
   
   @Override
   public Map<String, SymbolDefinition> getVariableDefinitions(){
      Node parent = getParentNode();
      while (parent != null && parent instanceof ScopeAware) {
         parent = parent.getParentNode();
      }
      if (parent != null && (parent instanceof ScopeAware)) {
         return ((ScopeAware) parent).getVariableDefinitions();
      }
      return new HashMap<String, SymbolDefinition>();
   }
   
   @Override
   public Map<String, List<SymbolDefinition>> getMethodDefinitions(){
      Node parent = getParentNode();
      while (parent != null && parent instanceof ScopeAware) {
         parent = parent.getParentNode();
      }
      if (parent != null && (parent instanceof ScopeAware)) {
         return ((ScopeAware) parent).getMethodDefinitions();
      }
      return new HashMap<String, List<SymbolDefinition>>();
   }

   @Override
   public Map<String, SymbolDefinition> getTypeDefinitions() {
      Node parent = getParentNode();
      while (parent != null && parent instanceof ScopeAware) {
         parent = parent.getParentNode();
      }
      if (parent != null && (parent instanceof ScopeAware)) {
         return ((ScopeAware) parent).getTypeDefinitions();
      }
      return new HashMap<String, SymbolDefinition>();
   }

}