// -------------------------------------------------------------------------
/// Generates the function call prefix code fragment.
///
/// @param memberInfo The member information of the function to call.
/// @param node Visual script function call node.
/// @return The code fragment to prepend to the function call.
///
protected string FunctionCallPrefix(iCS_EditorObject node)
{
var result = new StringBuilder(32);
if (IsStatic())
{
if (!GraphInfo.IsLocalType(VSObject))
{
result.Append(ToTypeName(node.RuntimeType));
result.Append(".");
}
}
else
{
var thisPort = GraphInfo.GetTargetPort(node);
if (thisPort != null)
{
// result.Append(GetExpressionFor(thisPort));
// result.Append(".");
// -- Prepend target code producer if optimized. --
if (myTargetCode != null)
{
result.Append(myTargetCode.GenerateBody(0));
result.Append(".");
return(result.ToString());
}
var producerPort = GraphInfo.GetProducerPort(thisPort);
var producerType = Context.GetRuntimeTypeFor(producerPort);
var producerCode = Context.GetCodeFor(producerPort);
if (producerCode is FunctionDefinitionParameter)
{
var producerPortName = GetNameFor(producerPort);
if (producerPortName == null || producerPortName == "null")
{
Debug.LogWarning("producer port is null: " + producerPort.CodeName);
}
result.Append(GetNameFor(producerPort));
result.Append(".");
}
else if (producerCode is LocalVariableDefinition)
{
var producerPortName = Parent.GetLocalVariableName(producerPort);
if (producerPortName == null || producerPortName == "null")
{
Debug.LogWarning("producer port is null: " + producerPort.CodeName);
}
result.Append(producerPortName);
result.Append(".");
}
else if (producerPort.IsOwner)
{
if (producerType == typeof(Transform))
{
result.Append("transform.");
}
else if (producerType == typeof(GameObject))
{
result.Append("gameObject.");
}
}
else if (producerPort != thisPort)
{
var desiredType = VSObject.RuntimeType;
var desiredTypeName = ToTypeName(desiredType);
var isUpcastNeeded = producerType != desiredType && iCS_Types.IsA(producerType, desiredType);
if (isUpcastNeeded)
{
result.Append("(");
}
var producerNode = producerPort.ParentNode;
if (producerNode.IsConstructor)
{
result.Append(GetNameFor(producerNode));
}
else
{
result.Append(GetNameFor(producerPort));
}
if (isUpcastNeeded)
{
result.Append(" as ");
result.Append(desiredTypeName);
result.Append(")");
}
result.Append(".");
}
}
}
return(result.ToString());
}
