public override ValueExpression Evaluate(IParserContext context)
{
object methodObject = _methodExpression.Evaluate(context).Value;
ValueExpression[] parameters = EvaluateExpressionArray(_parameters, context);
Type[] parameterTypes = parameters.ConvertAll(expr => expr.Type);
object[] parameterValues = parameters.ConvertAll(expr => expr.Value);
if (methodObject is MethodDefinition)
{
Type returnType;
return(Exp.Value(TokenPosition, ((MethodDefinition)methodObject).Invoke(parameterTypes, parameterValues, out returnType, new LazyBinder()), returnType));
}
if (methodObject is ConstructorInfo[])
{
ConstructorInfo[] constructors = (ConstructorInfo[])methodObject;
MethodBase method = new LazyBinder().SelectMethod(BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance, constructors, parameterTypes, null);
if (method == null)
{
throw new ExpressionEvaluationException("No match found for constructor " + constructors[0].Name, this);
}
object value = ((ConstructorInfo)method).Invoke(parameterValues);
return(Exp.Value(TokenPosition, value, method.ReflectedType));
}
if (methodObject is Delegate[])
{
Delegate[] delegates = (Delegate[])methodObject;
MethodBase[] methods = delegates.ConvertAll <Delegate, MethodBase>(d => d.Method);
MethodBase method = new LazyBinder().SelectMethod(BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance, methods, parameterTypes, null);
if (method == null)
{
throw new ExpressionEvaluationException("No match found for delegate " + _methodExpression, this);
}
object value = method.Invoke(delegates[Array.IndexOf(methods, method)].Target, parameterValues);
return(Exp.Value(TokenPosition, value, ((MethodInfo)method).ReturnType));
}
if (methodObject is Delegate)
{
Delegate method = (Delegate)methodObject;
object value = method.Method.Invoke(method.Target, parameterValues);
return(new ValueExpression(TokenPosition, value, method.Method.ReturnType));
}
throw new ExpressionEvaluationException(_methodExpression + " is not a function", this);
}
public override ValueExpression Evaluate(IParserContext context)
{
object methodObject = _methodExpression.Evaluate(context).Value;
ValueExpression[] parameters = EvaluateExpressionArray(_parameters, context);
Type[] parameterTypes = parameters.ConvertAll(expr => expr.Type);
object[] parameterValues = parameters.ConvertAll(expr => expr.Value);
if (methodObject is MethodDefinition)
{
Type returnType;
return Exp.Value(TokenPosition, ((MethodDefinition)methodObject).Invoke(parameterTypes, parameterValues, out returnType, new LazyBinder()), returnType);
}
if (methodObject is ConstructorInfo[])
{
ConstructorInfo[] constructors = (ConstructorInfo[]) methodObject;
MethodBase method = new LazyBinder().SelectMethod(BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance, constructors, parameterTypes, null);
if (method == null)
throw new ExpressionEvaluationException("No match found for constructor " + constructors[0].Name, this);
object value = ((ConstructorInfo)method).Invoke(parameterValues);
return Exp.Value(TokenPosition, value, method.ReflectedType);
}
if (methodObject is Delegate[])
{
Delegate[] delegates = (Delegate[]) methodObject;
MethodBase[] methods = delegates.ConvertAll<Delegate, MethodBase>(d => d.Method);
MethodBase method = new LazyBinder().SelectMethod(BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance, methods, parameterTypes, null);
if (method == null)
throw new ExpressionEvaluationException("No match found for delegate " + _methodExpression, this);
object value = method.Invoke(delegates[Array.IndexOf(methods, method)].Target, parameterValues);
return Exp.Value(TokenPosition, value, ((MethodInfo)method).ReturnType);
}
if (methodObject is Delegate)
{
Delegate method = (Delegate) methodObject;
object value = method.Method.Invoke(method.Target, parameterValues);
return new ValueExpression(TokenPosition, value, method.Method.ReturnType);
}
throw new ExpressionEvaluationException(_methodExpression + " is not a function", this);
}