TypeDeclarationStmt.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.stmt;

import java.util.HashMap;
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.ast.body.TypeDeclaration;
import org.walkmod.javalang.visitors.GenericVisitor;
import org.walkmod.javalang.visitors.VoidVisitor;

/**
 * @author Julio Vilmar Gesser
 */
public final class TypeDeclarationStmt extends Statement implements SymbolDefinition {

   private TypeDeclaration typeDecl;

   public TypeDeclarationStmt() {
   }

   public TypeDeclarationStmt(TypeDeclaration typeDecl) {
      setTypeDeclaration(typeDecl);
   }

   public TypeDeclarationStmt(int beginLine, int beginColumn, int endLine, int endColumn, TypeDeclaration typeDecl) {
      super(beginLine, beginColumn, endLine, endColumn);
      setTypeDeclaration(typeDecl);
   }

   @Override
   public boolean removeChild(Node child) {
      boolean result = false;
      if (child != null) {
         if (child == typeDecl) {
            typeDecl = null;
            result = true;
         }
      }
      if (result) {
         updateReferences(child);
      }
      return result;
   }

   @Override
   public List<Node> getChildren() {
      List<Node> children = super.getChildren();
      if (typeDecl != null) {
         children.add(typeDecl);
      }
      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 TypeDeclaration getTypeDeclaration() {
      return typeDecl;
   }

   public void setTypeDeclaration(TypeDeclaration typeDecl) {
      if (this.typeDecl != null) {
         updateReferences(this.typeDecl);
      }
      this.typeDecl = typeDecl;
      setAsParentNodeOf(typeDecl);
   }

   @Override
   public List<SymbolReference> getUsages() {
      return typeDecl.getUsages();
   }

   @Override
   public void setUsages(List<SymbolReference> usages) {
      typeDecl.setUsages(usages);
   }

   @Override
   public boolean addUsage(SymbolReference usage) {
      return typeDecl.addUsage(usage);
   }

   @Override
   public List<SymbolReference> getBodyReferences() {
      return typeDecl.getBodyReferences();
   }

   @Override
   public void setBodyReferences(List<SymbolReference> bodyReferences) {
      typeDecl.setBodyReferences(bodyReferences);
   }

   @Override
   public boolean addBodyReference(SymbolReference bodyReference) {
      return typeDecl.addBodyReference(bodyReference);
   }

   @Override
   public int getScopeLevel() {
      return typeDecl.getScopeLevel();
   }

   @Override
   public void setScopeLevel(int scopeLevel) {
      typeDecl.setScopeLevel(scopeLevel);
   }

   @Override
   public boolean replaceChildNode(Node oldChild, Node newChild) {
      boolean updated = false;
      if (oldChild == typeDecl) {
         setTypeDeclaration((TypeDeclaration) newChild);
         updated = true;
      }

      return updated;
   }

   @Override
   public TypeDeclarationStmt clone() throws CloneNotSupportedException {
      return new TypeDeclarationStmt(clone(typeDecl));
   }

   @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>();
   }

   @Override
   public String getSymbolName() {
      return null;
   }
}