public AttributeDeclaration Visit(AttributeDeclaration attribute)
{
if (ParadoxAttributes.AvailableAttributes.Contains(attribute.Name))
return null;
return attribute;
}
public override Node Visit(AttributeDeclaration attribute)
{
if (XenkoAttributes.AvailableAttributes.Contains(attribute.Name))
return null;
return attribute;
}
public static void Parse(IList<ShaderStreamOutputDeclarationEntry> entries, out int[] strides, AttributeDeclaration streamOutputAttribute, IList<Variable> fields)
{
var streamStrings = streamOutputAttribute.Parameters
.TakeWhile(x => x.Value is string)
.Select(x => x.Value as string)
.ToArray();
Parse(entries, out strides, streamStrings, fields);
}
public override void Visit(AttributeDeclaration attributeDeclaration)
{
}
/// <summary>
/// Rename the links of the variables
/// </summary>
/// <param name="mixin">the current mixin</param>
/// <param name="context">the string to append</param>
/// <param name="visitedMixins">list of already visited mixin</param>
private void LinkVariables(ModuleMixin mixin, string context, List<ModuleMixin> visitedMixins)
{
if (visitedMixins.Contains(mixin))
return;
visitedMixins.Add(mixin);
foreach (var variable in mixin.LocalVirtualTable.Variables.Select(x => x.Variable))
{
if (variable.Qualifiers.Contains(XenkoStorageQualifier.Extern))
{
List<ModuleMixin> mixins;
if (CompositionsPerVariable.TryGetValue(variable, out mixins))
{
if (variable.Type is ArrayType)
{
for (var i = 0; i < mixins.Count; ++i)
{
var baselink = "." + variable.Name.Text + "[" + i + "]" + context;
LinkVariables(mixins[i], baselink, visitedMixins);
}
}
else
{
var baselink = "." + variable.Name.Text + context;
LinkVariables(mixins[0], baselink, visitedMixins);
}
}
}
if (!(variable.Qualifiers.Values.Contains(XenkoStorageQualifier.Stream)
|| variable.Qualifiers.Values.Contains(XenkoStorageQualifier.PatchStream)
|| variable.Qualifiers.Values.Contains(XenkoStorageQualifier.Extern)))
{
var attribute = variable.Attributes.OfType<AttributeDeclaration>().FirstOrDefault(x => x.Name == "Link");
if (attribute == null)
{
// Try to get class name before generics
//string baseClassName;
//if (!genericTypeDefinitions.TryGetValue(baseClass, out baseClassName))
// baseClassName = baseClass.Name;
// TODO: class name before renaming if generics
string linkName;
// Use Map attribute (if it exists)
var mapAttribute = variable.Attributes.OfType<AttributeDeclaration>().FirstOrDefault(x => x.Name == "Map");
if (mapAttribute != null)
{
linkName = (string)mapAttribute.Parameters[0].Value;
// Remove "Keys" from class name (or maybe we should just include it in key name to avoid issues?)
linkName = linkName.Replace("Keys.", ".");
}
else
{
linkName = mixin.MixinGenericName + "." + variable.Name.Text;
}
attribute = new AttributeDeclaration { Name = new Identifier("Link"), Parameters = new List<Literal> { new Literal(linkName) } };
variable.Attributes.Add(attribute);
}
// Append location to key in case it is a local variable
if (!variable.Qualifiers.Values.Contains(XenkoStorageQualifier.Stage))
{
attribute.Parameters[0].SubLiterals = null; // set to null to avoid conflict with the member Value
attribute.Parameters[0].Value = (string)attribute.Parameters[0].Value + context;
}
}
}
foreach (var variable in mixin.StaticReferences.VariablesReferences.Select(x => x.Key))
{
var attribute = variable.Attributes.OfType<AttributeDeclaration>().FirstOrDefault(x => x.Name == "Link");
if (attribute == null)
{
var baseClassName = (variable.GetTag(XenkoTags.ShaderScope) as ModuleMixin).MixinGenericName;
attribute = new AttributeDeclaration { Name = new Identifier("Link"), Parameters = new List<Literal> { new Literal(baseClassName + "." + variable.Name.Text) } };
variable.Attributes.Add(attribute);
}
}
mixin.InheritanceList.ForEach(x => LinkVariables(x, context, visitedMixins));
}
/// <summary>
/// Visits the specified attribute declaration.
/// </summary>
/// <param name="attributeDeclaration">The attribute declaration.</param>
public override void Visit(AttributeDeclaration attributeDeclaration)
{
Write("[").Write(attributeDeclaration.Name);
if (attributeDeclaration.Parameters.Count > 0)
{
Write("(");
for (int i = 0; i < attributeDeclaration.Parameters.Count; i++)
{
var parameter = attributeDeclaration.Parameters[i];
if (i > 0)
{
Write(",").WriteSpace();
}
VisitDynamic(parameter);
}
Write(")");
}
WriteLine("]");
}