// Path: src/main/java/gov/nasa/jpf/constraints/api/Expression.java
// public abstract class Expression<E> extends AbstractPrintable {
//   
//   
//   public static final int QUOTE_IDENTIFIERS = 1;
//   public static final int INCLUDE_VARIABLE_TYPE = 2;
//   public static final int INCLUDE_BOUND_DECL_TYPE = 4;
//   public static final int SIMPLE_PROP_OPERATORS = 8;
//   
//   public static final int DEFAULT_FLAGS = QUOTE_IDENTIFIERS | INCLUDE_BOUND_DECL_TYPE;
//   
//   public static final int JAVA_COMPAT_FLAGS = SIMPLE_PROP_OPERATORS;
//   
//   public static boolean quoteIdentifiers(int printFlags) {
//     return (printFlags & QUOTE_IDENTIFIERS) == QUOTE_IDENTIFIERS;
//   }
//   
//   public static boolean includeVariableType(int printFlags) {
//     return (printFlags & INCLUDE_VARIABLE_TYPE) == INCLUDE_VARIABLE_TYPE;
//   }
//   
//   public static boolean includeBoundDeclType(int printFlags) {
//     return (printFlags & INCLUDE_BOUND_DECL_TYPE) == INCLUDE_BOUND_DECL_TYPE;
//   }
//   
//   public static Expression<?>[] NO_CHILDREN = new Expression[0];
//   
//     
//   /**
//    * evaluates using the provided values for symbolic variables
//    * 
//    * @param values
//    * @return 
//    */
//   public abstract E evaluate(Valuation values);  
//   
//   /**
//    * collect all symbolic variables
//    * 
//    * @param names 
//    */
//   public abstract void collectFreeVariables(Collection<? super Variable<?>> variables);
//   
//   public abstract <R,D> R accept(ExpressionVisitor<R, D> visitor, D data);
//   
//   
//   public abstract Type<E> getType();
//   
//   public Class<E> getResultType() {
//     return getType().getCanonicalClass();
//   }
//   
//   
//   public abstract Expression<?>[] getChildren();
//   public abstract Expression<?> duplicate(Expression<?>[] newChildren);
//   
//   @SuppressWarnings("unchecked")
//   public <F> Expression<F> as(Type<F> type) {
//     Type<E> thisType = getType();
//     if(!thisType.equals(type))
//       return null;
//     return (Expression<F>)this;
//   }
//   
//   public <F> Expression<F> requireAs(Type<F> type) {
//     Expression<F> exp = as(type);
//     if(exp == null)
//       throw new IllegalArgumentException("Expected type " + type + ", is " + getType());
//     return exp;
//   }
//   
//   public abstract void print(Appendable a, int flags) throws IOException;
// 
//   /**A malformed Expression might contain a null value.
//   This method should only be used in debug environment
//    * @throws java.io.IOExceptions*/
//   public abstract void printMalformedExpression(Appendable a, int flags)
//           throws IOException;
// 
//   public String toString(int flags) {
//     StringBuilder sb = new StringBuilder();
//     try {
//       print(sb, flags);
//       return sb.toString();
//     }
//     catch(IOException ex) {
//       throw new RuntimeException("Unexpected IOException writing to StringBuilder");
//     }
//   }
//   
//   @Override
//   public final void print(Appendable a) throws IOException {
//     print(a, DEFAULT_FLAGS);
//   }
//   
//   public final void printMalformedExpression(Appendable a) throws IOException {
//     printMalformedExpression(a, DEFAULT_FLAGS);
//   }
// 
//   
//   // LEGACY API
//   
//   /**
//    * replace terms according to replace
//    * 
//    * @param replace
//    * @return 
//    */
//   @Deprecated
//   @SuppressWarnings("rawtypes")
//   public Expression replaceTerms(Map<Expression,Expression> replacements) {
//     Expression<?> rep = replacements.get(this);
//     if(rep != null)
//       return rep;
//     Expression<?>[] children = getChildren();
//     
//     boolean changed = false;
//     for(int i = 0; i < children.length; i++) {
//       Expression<?> old = children[i];
//       Expression<?> newExp = old.replaceTerms(replacements);
//       if(old != newExp)
//         changed = true;
//       children[i] = newExp;
//     }
//     
//     if(!changed)
//       return this;
//     
//     return duplicate(children);
//   }
//   
//   @Deprecated
//   @SuppressWarnings("rawtypes")
//   public void getVariables(Set<Variable> variables) {
//     collectFreeVariables(variables);
//   }
//   
// }


import gov.nasa.jpf.constraints.api.Expression;
/*
 * Copyright (C) 2015, United States Government, as represented by the 
 * Administrator of the National Aeronautics and Space Administration.
 * All rights reserved.
 *
 * The PSYCO: A Predicate-based Symbolic Compositional Reasoning environment 
 * platform is licensed under the Apache License, Version 2.0 (the "License"); you 
 * may not use this file except in compliance with the License. You may obtain a 
 * copy of the License at http://www.apache.org/licenses/LICENSE-2.0. 
 *
 * Unless required by applicable law or agreed to in writing, software distributed 
 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the 
 * specific language governing permissions and limitations under the License.
 */
package gov.nasa.jpf.constraints.util;


@Deprecated
public class ExpressionSimplifier {

  public ExpressionSimplifier() {
  }
  
  
  @SuppressWarnings({"rawtypes","unchecked"})
// Path: src/main/java/gov/nasa/jpf/constraints/api/Expression.java
// public abstract class Expression<E> extends AbstractPrintable {
//   
//   
//   public static final int QUOTE_IDENTIFIERS = 1;
//   public static final int INCLUDE_VARIABLE_TYPE = 2;
//   public static final int INCLUDE_BOUND_DECL_TYPE = 4;
//   public static final int SIMPLE_PROP_OPERATORS = 8;
//   
//   public static final int DEFAULT_FLAGS = QUOTE_IDENTIFIERS | INCLUDE_BOUND_DECL_TYPE;
//   
//   public static final int JAVA_COMPAT_FLAGS = SIMPLE_PROP_OPERATORS;
//   
//   public static boolean quoteIdentifiers(int printFlags) {
//     return (printFlags & QUOTE_IDENTIFIERS) == QUOTE_IDENTIFIERS;
//   }
//   
//   public static boolean includeVariableType(int printFlags) {
//     return (printFlags & INCLUDE_VARIABLE_TYPE) == INCLUDE_VARIABLE_TYPE;
//   }
//   
//   public static boolean includeBoundDeclType(int printFlags) {
//     return (printFlags & INCLUDE_BOUND_DECL_TYPE) == INCLUDE_BOUND_DECL_TYPE;
//   }
//   
//   public static Expression<?>[] NO_CHILDREN = new Expression[0];
//   
//     
//   /**
//    * evaluates using the provided values for symbolic variables
//    * 
//    * @param values
//    * @return 
//    */
//   public abstract E evaluate(Valuation values);  
//   
//   /**
//    * collect all symbolic variables
//    * 
//    * @param names 
//    */
//   public abstract void collectFreeVariables(Collection<? super Variable<?>> variables);
//   
//   public abstract <R,D> R accept(ExpressionVisitor<R, D> visitor, D data);
//   
//   
//   public abstract Type<E> getType();
//   
//   public Class<E> getResultType() {
//     return getType().getCanonicalClass();
//   }
//   
//   
//   public abstract Expression<?>[] getChildren();
//   public abstract Expression<?> duplicate(Expression<?>[] newChildren);
//   
//   @SuppressWarnings("unchecked")
//   public <F> Expression<F> as(Type<F> type) {
//     Type<E> thisType = getType();
//     if(!thisType.equals(type))
//       return null;
//     return (Expression<F>)this;
//   }
//   
//   public <F> Expression<F> requireAs(Type<F> type) {
//     Expression<F> exp = as(type);
//     if(exp == null)
//       throw new IllegalArgumentException("Expected type " + type + ", is " + getType());
//     return exp;
//   }
//   
//   public abstract void print(Appendable a, int flags) throws IOException;
// 
//   /**A malformed Expression might contain a null value.
//   This method should only be used in debug environment
//    * @throws java.io.IOExceptions*/
//   public abstract void printMalformedExpression(Appendable a, int flags)
//           throws IOException;
// 
//   public String toString(int flags) {
//     StringBuilder sb = new StringBuilder();
//     try {
//       print(sb, flags);
//       return sb.toString();
//     }
//     catch(IOException ex) {
//       throw new RuntimeException("Unexpected IOException writing to StringBuilder");
//     }
//   }
//   
//   @Override
//   public final void print(Appendable a) throws IOException {
//     print(a, DEFAULT_FLAGS);
//   }
//   
//   public final void printMalformedExpression(Appendable a) throws IOException {
//     printMalformedExpression(a, DEFAULT_FLAGS);
//   }
// 
//   
//   // LEGACY API
//   
//   /**
//    * replace terms according to replace
//    * 
//    * @param replace
//    * @return 
//    */
//   @Deprecated
//   @SuppressWarnings("rawtypes")
//   public Expression replaceTerms(Map<Expression,Expression> replacements) {
//     Expression<?> rep = replacements.get(this);
//     if(rep != null)
//       return rep;
//     Expression<?>[] children = getChildren();
//     
//     boolean changed = false;
//     for(int i = 0; i < children.length; i++) {
//       Expression<?> old = children[i];
//       Expression<?> newExp = old.replaceTerms(replacements);
//       if(old != newExp)
//         changed = true;
//       children[i] = newExp;
//     }
//     
//     if(!changed)
//       return this;
//     
//     return duplicate(children);
//   }
//   
//   @Deprecated
//   @SuppressWarnings("rawtypes")
//   public void getVariables(Set<Variable> variables) {
//     collectFreeVariables(variables);
//   }
//   
// }


// Path: src/main/java/gov/nasa/jpf/constraints/util/ExpressionSimplifier.java
import gov.nasa.jpf.constraints.api.Expression;

/*
 * Copyright (C) 2015, United States Government, as represented by the 
 * Administrator of the National Aeronautics and Space Administration.
 * All rights reserved.
 *
 * The PSYCO: A Predicate-based Symbolic Compositional Reasoning environment 
 * platform is licensed under the Apache License, Version 2.0 (the "License"); you 
 * may not use this file except in compliance with the License. You may obtain a 
 * copy of the License at http://www.apache.org/licenses/LICENSE-2.0. 
 *
 * Unless required by applicable law or agreed to in writing, software distributed 
 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the 
 * specific language governing permissions and limitations under the License.
 */
package gov.nasa.jpf.constraints.util;


@Deprecated
public class ExpressionSimplifier {

  public ExpressionSimplifier() {
  }
  
  
  @SuppressWarnings({"rawtypes","unchecked"})
  public Expression simplify(Expression e) {