ParameterDeclaration CreateParameterForCurrentRangeVariable()
{
var param = new ParameterDeclaration();
if (currentTransparentType.Count == 1)
{
var clonedRangeVariable = (Identifier)currentTransparentType[0].Item1.Clone();
if (!rangeVariables.ContainsKey(currentTransparentType[0].Item1))
{
rangeVariables[currentTransparentType[0].Item1] = param;
}
param.AddChild(clonedRangeVariable, Roles.Identifier);
}
else
{
param.AddChild(Identifier.Create(string.Format(CultureInfo.InvariantCulture, TransparentParameterNameTemplate, currentTransparentParameter++)), Roles.Identifier);
}
return(param);
}
Expression VisitNested(Expression node, ParameterDeclaration transparentParameter)
{
var oldRangeVariableSubstitutions = activeRangeVariableSubstitutions;
try {
if (transparentParameter != null && currentTransparentType.Count > 1)
{
activeRangeVariableSubstitutions = new Dictionary <string, Expression>(activeRangeVariableSubstitutions);
foreach (var t in currentTransparentType)
{
activeRangeVariableSubstitutions[t.Item1.Name] = MakeNestedMemberAccess(new IdentifierExpression(transparentParameter.Name), t.Item2);
}
}
var result = node.AcceptVisitor(this);
return((Expression)(result ?? node.Clone()));
}
finally {
activeRangeVariableSubstitutions = oldRangeVariableSubstitutions;
}
}
Expression AddMemberToCurrentTransparentType(ParameterDeclaration param, Identifier name, Expression value, bool namedExpression)
{
Expression newAssignment = VisitNested(value, param);
if (namedExpression)
{
newAssignment = new NamedExpression(name.Name, VisitNested(value, param));
if (!rangeVariables.ContainsKey(name))
{
rangeVariables[name] = ((NamedExpression)newAssignment).NameToken;
}
}
foreach (var t in currentTransparentType)
{
t.Item2.Insert(0, param.Name);
}
currentTransparentType.Add(Tuple.Create(name, new List <string> {
name.Name
}));
return(new AnonymousTypeCreateExpression(new[] { new IdentifierExpression(param.Name), newAssignment }));
}
void IAstVisitor.VisitParameterDeclaration(ParameterDeclaration parameterDeclaration)
{
Visit(EnterParameterDeclaration, LeaveParameterDeclaration, parameterDeclaration);
}
