void SetExpressions()
{
var objParam = Expression.Parameter(typeof(object), "obj");
var getterExpr = GetterExpression.GetBody(Expression.Convert(objParam, TypeAccessor.Type));
var getter = Expression.Lambda <Func <object, object> >(Expression.Convert(getterExpr, typeof(object)), objParam);
Getter = getter.Compile();
var valueParam = Expression.Parameter(typeof(object), "value");
var setterExpr = SetterExpression.GetBody(
Expression.Convert(objParam, TypeAccessor.Type),
Expression.Convert(valueParam, Type));
var setter = Expression.Lambda <Action <object, object> >(setterExpr, objParam, valueParam);
Setter = setter.Compile();
}
void SetExpressions()
{
var objParam = Expression.Parameter(typeof(object), "obj");
var getterExpr = GetterExpression.GetBody(Expression.Convert(objParam, TypeAccessor.Type));
var getter = Expression.Lambda <Func <object, object?> >(Expression.Convert(getterExpr, typeof(object)), objParam);
try
{
Getter = getter.Compile();
}
catch (Exception e)
{
ThrowCompileException(getter, e, true);
}
var valueParam = Expression.Parameter(typeof(object), "value");
if (SetterExpression != null)
{
var setterExpr = SetterExpression.GetBody(
Expression.Convert(objParam, TypeAccessor.Type),
Expression.Convert(valueParam, Type));
var setter = Expression.Lambda <Action <object, object?> >(setterExpr, objParam, valueParam);
try
{
Setter = setter.Compile();
}
catch (Exception e)
{
ThrowCompileException(setter, e, false);
}
}
void ThrowCompileException(Expression expression, Exception e, bool isGetter)
{
string message = String.Format("Failed to compile {0} expression for '{1}'. Expression: {2}",
(isGetter ? "Getter" : "Setter"), this.Name, expression.ToString()
);
throw new InvalidOperationException(message, e);
}
}
