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/*******************************************************************************
* Copyright (c) 2009 Elliott Baron
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Elliott Baron - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.codan.extension;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IVariable;
public class SymbolicState {
private Set<PropertyState> propertyStates;
private ExecutionState executionState;
private Set<IASTNode> errorCauses;
public SymbolicState(Set<PropertyState> propertyStates, ExecutionState executionState) {
this.propertyStates = propertyStates;
this.executionState = executionState;
errorCauses = new HashSet<IASTNode>();
}
public ExecutionState getExecutionState() {
return executionState;
}
public void setExecutionState(ExecutionState es) {
executionState = es;
}
public Set<PropertyState> getPropertyStates() {
return Collections.unmodifiableSet(propertyStates);
}
public void setPropertyStates(Set<PropertyState> ps) {
propertyStates = ps;
}
public SymbolicState copy() {
Set<PropertyState> ps = new HashSet<PropertyState>(propertyStates);
ExecutionState es = executionState.copy();
Map<IVariable, TruthAssignment> truthAssignments = new HashMap<IVariable, TruthAssignment>(executionState.getTruthAssignments());
es.setTruthAssignments(truthAssignments);
SymbolicState ret = new SymbolicState(ps, es);
ret.errorCauses = new HashSet<IASTNode>(errorCauses);
return ret;
}
public Set<IASTNode> getErrorCauses() {
return errorCauses;
}
@Override
public String toString() {
StringBuffer buf = new StringBuffer();
buf.append("[");
buf.append(propertyStates);
buf.append(", ");
buf.append(executionState);
buf.append("]");
return buf.toString();
}
@Override
public boolean equals(Object obj) {
if (obj instanceof SymbolicState) {
SymbolicState other = (SymbolicState) obj;
return propertyStates.equals(other.getPropertyStates()) && executionState.equals(other.getExecutionState());
}
return false;
}
@Override
public int hashCode() {
return propertyStates.hashCode() + executionState.hashCode();
}
}
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