private ParameterVar ReplaceParameterVar(
ParameterVar oldVar,
Func <TypeUsage, TypeUsage> generateReplacementType)
{
ParameterVar parameterVar = new ParameterVar(this.NewVarId(), generateReplacementType(oldVar.Type), oldVar.ParameterName);
this.m_parameterMap[oldVar.ParameterName] = parameterVar;
this.m_vars.Add((Var)parameterVar);
return(parameterVar);
}
internal virtual ParameterVar CreateParameterVar(
string parameterName,
TypeUsage parameterType)
{
if (this.m_parameterMap.ContainsKey(parameterName))
{
throw new ArgumentException(Strings.DuplicateParameterName((object)parameterName));
}
ParameterVar parameterVar = new ParameterVar(this.NewVarId(), parameterType, parameterName);
this.m_vars.Add((Var)parameterVar);
this.m_parameterMap[parameterName] = parameterVar;
return(parameterVar);
}
internal virtual ParameterVar ReplaceStrongSpatialParameterVar(ParameterVar oldVar)
{
return(this.ReplaceParameterVar(oldVar, (Func <TypeUsage, TypeUsage>)(t => TypeHelpers.CreateSpatialUnionTypeUsage(t))));
}
internal virtual ParameterVar ReplaceEnumParameterVar(ParameterVar oldVar)
{
return(this.ReplaceParameterVar(oldVar, (Func <TypeUsage, TypeUsage>)(t => TypeHelpers.CreateEnumUnderlyingTypeUsage(t))));
}
// <summary>
// Creates a variable for the given spatial parameter variable and replaces it in parameter map.
// </summary>
// <param name="oldVar"> Spatial parameter variable that needs to replaced. </param>
// <returns>
// A new ParameterVar instance created of <paramref name="oldVar" /> .
// </returns>
// <remarks>
// This method should be used only to replace external strong spatial parameter with a counterpart whose
// type is the appropriate union type for <paramref name="oldVar" />.
// The operation invalidates the <paramref name="oldVar" />. After the operation has completed
// the <paramref name="oldVar" />) is invalidated internally and should no longer be used.
// </remarks>
internal virtual ParameterVar ReplaceStrongSpatialParameterVar(ParameterVar oldVar)
{
return ReplaceParameterVar(oldVar, t => TypeHelpers.CreateSpatialUnionTypeUsage(t));
}
// <summary>
// Creates a variable for the given enum parameter variable and replaces it in parameter map.
// </summary>
// <param name="oldVar"> Enum parameter variable that needs to replaced. </param>
// <returns>
// A new ParameterVar instance created of <paramref name="oldVar" /> .
// </returns>
// <remarks>
// This method should be used only to replace external enum parameter with a counterpart whose
// type is the underlying type of the enum type of the <paramref name="oldVar" />.
// The operation invalidates the <paramref name="oldVar" />. After the operation has completed
// the <paramref name="oldVar" />) is invalidated internally and should no longer be used.
// </remarks>
internal virtual ParameterVar ReplaceEnumParameterVar(ParameterVar oldVar)
{
return ReplaceParameterVar(oldVar, t => TypeHelpers.CreateEnumUnderlyingTypeUsage(t));
}
// <summary>
// Creates a variable for the given parameter variable and replaces it in parameter map.
// </summary>
// <param name="oldVar"> Parameter variable that needs to replaced. </param>
// <param name="generateReplacementType"> Delegate that generates the replacement parameter's type. </param>
// <returns>
// A new ParameterVar instance created of <paramref name="oldVar" /> .
// </returns>
// <remarks>
// This method should be used only to replace external enum or strong spatial parameters with a counterpart whose
// type is the underlying type of the enum type, or the union type contating the strong spatial type of the
// <paramref
// name="oldVar" />
// .
// The operation invalidates the <paramref name="oldVar" />. After the operation has completed
// the <paramref name="oldVar" />) is invalidated internally and should no longer be used.
// </remarks>
private ParameterVar ReplaceParameterVar(ParameterVar oldVar, Func<TypeUsage, TypeUsage> generateReplacementType)
{
DebugCheck.NotNull(oldVar);
Debug.Assert(m_vars.Contains(oldVar));
var v = new ParameterVar(NewVarId(), generateReplacementType(oldVar.Type), oldVar.ParameterName);
m_parameterMap[oldVar.ParameterName] = v;
m_vars.Add(v);
return v;
}
// <summary>
// Creates a variable for a parameter in the query
// </summary>
// <param name="parameterName"> The name of the parameter for which to create the var </param>
// <param name="parameterType"> The type of the parameter, and therefore the new var </param>
// <returns> A new ParameterVar instance with the specified name and type </returns>
internal virtual ParameterVar CreateParameterVar(
string parameterName,
TypeUsage parameterType)
{
if (m_parameterMap.ContainsKey(parameterName))
{
throw new ArgumentException(Strings.DuplicateParameterName(parameterName));
}
var v = new ParameterVar(NewVarId(), parameterType, parameterName);
m_vars.Add(v);
m_parameterMap[parameterName] = v;
return v;
}