NameExpr.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.ast.SymbolReference;
import org.walkmod.javalang.visitors.GenericVisitor;
import org.walkmod.javalang.visitors.VoidVisitor;

/**
 * @author Julio Vilmar Gesser
 */
public class NameExpr extends Expression implements SymbolReference {

   private String name;

   private SymbolDefinition symbolDefinition;

   public NameExpr() {
   }

   public NameExpr(String name) {
      this.name = name;
   }

   public NameExpr(int beginLine, int beginColumn, int endLine, int endColumn, String name) {
      super(beginLine, beginColumn, endLine, endColumn);
      this.name = name;
   }

   @Override
   public boolean removeChild(Node child) {
      return false;
   }

   @Override
   public List<Node> getChildren() {
      return new LinkedList<Node>();
   }

   @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 final String getName() {
      return name;
   }

   public final void setName(String name) {
      this.name = name;
   }

   @Override
   public SymbolDefinition getSymbolDefinition() {
      return symbolDefinition;
   }

   @Override
   public void setSymbolDefinition(SymbolDefinition symbolDefinition) {
      this.symbolDefinition = symbolDefinition;
   }

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

   @Override
   public NameExpr clone() throws CloneNotSupportedException {
      return new NameExpr(name);
   }

   @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>();
   }

}