public VariableMapLattice(IPropExprFactory /*!*/ propExprFactory, IValueExprFactory /*!*/ valueExprFactory, MicroLattice /*!*/ microLattice, /*maybe null*/ IComparer variableComparer)
: base(valueExprFactory)
{
Contract.Requires(microLattice != null);
Contract.Requires(valueExprFactory != null);
Contract.Requires(propExprFactory != null);
this.propExprFactory = propExprFactory;
this.microLattice = microLattice;
this.variableComparer = variableComparer;
// base(valueExprFactory);
}
public Elt /*!*/ Remove(IVariable /*!*/ var, MicroLattice microLattice)
{
Contract.Requires(var != null);
Contract.Ensures(Contract.Result <Elt>() != null);
if (this.IsBottom)
{
return(this);
}
Contract.Assume(this.constraints != null);
return(new Elt(this.constraints.Remove(var)));
}
/// <summary>
/// Add a new entry in the functional map: var --> value.
/// If the variable is already there, throws an exception
/// </summary>
public Elt /*!*/ Add(IVariable /*!*/ var, Element /*!*/ value, MicroLattice /*!*/ microLattice)
{
Contract.Requires(microLattice != null);
Contract.Requires(value != null);
Contract.Requires(var != null);
Contract.Requires((!this.IsBottom));
Contract.Ensures(Contract.Result <Elt>() != null);
Contract.Assume(this.constraints != null);
Contract.Assert(!this.constraints.Contains(var));
if (microLattice.IsBottom(value))
{
return(Bottom);
}
if (microLattice.IsTop(value))
{
return(this.Remove(var, microLattice));
}
return(new Elt(this.constraints.Add(var, value)));
}
/// <summary>
/// Set the value of the variable in the functional map
/// If the variable is not already there, throws an exception
/// </summary>
public Elt /*!*/ Set(IVariable /*!*/ var, Element /*!*/ value, MicroLattice /*!*/ microLattice)
{
Contract.Requires(microLattice != null);
Contract.Requires(value != null);
Contract.Requires(var != null);
Contract.Ensures(Contract.Result <Elt>() != null);
if (microLattice.IsBottom(value))
{
return(Bottom);
}
if (microLattice.IsTop(value))
{
return(this.Remove(var, microLattice));
}
Contract.Assume(this.constraints != null);
Contract.Assert(this.constraints.Contains(var));
// this.constraints[var] = value;
IFunctionalMap newMap = this.constraints.Set(var, value);
return(new Elt(newMap));
}
public VariableMapLattice(IPropExprFactory/*!*/ propExprFactory, IValueExprFactory/*!*/ valueExprFactory, MicroLattice/*!*/ microLattice, /*maybe null*/IComparer variableComparer)
: base(valueExprFactory) {
Contract.Requires(microLattice != null);
Contract.Requires(valueExprFactory != null);
Contract.Requires(propExprFactory != null);
this.propExprFactory = propExprFactory;
this.microLattice = microLattice;
this.variableComparer = variableComparer;
// base(valueExprFactory);
}
public Elt/*!*/ Rename(IVariable/*!*/ oldName, IVariable/*!*/ newName, MicroLattice/*!*/ microLattice) {
Contract.Requires(microLattice != null);
Contract.Requires(newName != null);
Contract.Requires(oldName != null);
Contract.Requires((!this.IsBottom));
Contract.Ensures(Contract.Result<Elt>() != null);
Element value = this[oldName];
if (value == null) {
return this;
} // 'oldName' isn't in the map, so neither will be 'newName'
Contract.Assume(this.constraints != null);
IFunctionalMap newMap = this.constraints.Remove(oldName);
newMap = newMap.Add(newName, value);
return new Elt(newMap);
}
public Elt/*!*/ Remove(IVariable/*!*/ var, MicroLattice microLattice) {
Contract.Requires(var != null);
Contract.Ensures(Contract.Result<Elt>() != null);
if (this.IsBottom) {
return this;
}
Contract.Assume(this.constraints != null);
return new Elt(this.constraints.Remove(var));
}
/// <summary>
/// Set the value of the variable in the functional map
/// If the variable is not already there, throws an exception
/// </summary>
public Elt/*!*/ Set(IVariable/*!*/ var, Element/*!*/ value, MicroLattice/*!*/ microLattice) {
Contract.Requires(microLattice != null);
Contract.Requires(value != null);
Contract.Requires(var != null);
Contract.Ensures(Contract.Result<Elt>() != null);
if (microLattice.IsBottom(value)) {
return Bottom;
}
if (microLattice.IsTop(value)) {
return this.Remove(var, microLattice);
}
Contract.Assume(this.constraints != null);
Contract.Assert(this.constraints.Contains(var));
// this.constraints[var] = value;
IFunctionalMap newMap = this.constraints.Set(var, value);
return new Elt(newMap);
}
/// <summary>
/// Add a new entry in the functional map: var --> value.
/// If the variable is already there, throws an exception
/// </summary>
public Elt/*!*/ Add(IVariable/*!*/ var, Element/*!*/ value, MicroLattice/*!*/ microLattice) {
Contract.Requires(microLattice != null);
Contract.Requires(value != null);
Contract.Requires(var != null);
Contract.Requires((!this.IsBottom));
Contract.Ensures(Contract.Result<Elt>() != null);
Contract.Assume(this.constraints != null);
Contract.Assert(!this.constraints.Contains(var));
if (microLattice.IsBottom(value)) {
return Bottom;
}
if (microLattice.IsTop(value)) {
return this.Remove(var, microLattice);
}
return new Elt(this.constraints.Add(var, value));
}
public Elt /*!*/ Rename(IVariable /*!*/ oldName, IVariable /*!*/ newName, MicroLattice /*!*/ microLattice)
{
Contract.Requires(microLattice != null);
Contract.Requires(newName != null);
Contract.Requires(oldName != null);
Contract.Requires((!this.IsBottom));
Contract.Ensures(Contract.Result <Elt>() != null);
Element value = this[oldName];
if (value == null)
{
return(this);
} // 'oldName' isn't in the map, so neither will be 'newName'
Contract.Assume(this.constraints != null);
IFunctionalMap newMap = this.constraints.Remove(oldName);
newMap = newMap.Add(newName, value);
return(new Elt(newMap));
}
