/// <summary>
/// Check the name conflict between the two virtual tables
/// </summary>
public bool CheckNameConflict(MixinVirtualTable virtualTable, LoggerResult log)
{
var conflict = false;
// Note: we allow conflicts for static variables
foreach (var variable in virtualTable.Variables.Where(variable => !variable.Variable.Qualifiers.Contains(Xenko.Core.Shaders.Ast.Hlsl.StorageQualifier.Static) && Variables.Any(x => x.Variable.Name.Text == variable.Variable.Name.Text)))
{
log.Error(XenkoMessageCode.ErrorVariableNameConflict, variable.Variable.Span, variable.Variable, "");
conflict = true;
}
return(conflict);
}
/// <summary>
/// Merge with a local virtual table = need to check override keywords
/// </summary>
/// <param name="virtualTable">the virtual table to add</param>
/// <param name="mixinName">the name of the mixin</param>
/// <param name="log">the error logger</param>
public void MergeWithLocalVirtualTable(MixinVirtualTable virtualTable, string mixinName, LoggerResult log)
{
foreach (var method in virtualTable.Methods)
{
var methodDecl = Methods.LastOrDefault(x => x.Method.IsSameSignature(method.Method));
if (methodDecl != null)
{
var isBaseMethod = method.Shader.BaseClasses.Any(x => x.Name.Text == methodDecl.Shader.Name.Text);
if (isBaseMethod)
{
if (methodDecl.Method is MethodDefinition)
{
if (!method.Method.Qualifiers.Contains(XenkoStorageQualifier.Override))
{
log.Error(XenkoMessageCode.ErrorMissingOverride, method.Method.Span, method.Method, mixinName);
continue;
}
}
else if (method.Method.Qualifiers.Contains(XenkoStorageQualifier.Override))
{
log.Error(XenkoMessageCode.ErrorOverrideDeclaration, method.Method.Span, method.Method, mixinName);
continue;
}
}
Methods.Remove(methodDecl);
}
else
{
if (method.Method.Qualifiers.Contains(XenkoStorageQualifier.Override))
{
log.Error(XenkoMessageCode.ErrorNoMethodToOverride, method.Method.Span, method.Method, mixinName);
continue;
}
}
Methods.Add(method);
// TODO: handle declarations vs definitions
}
Variables.UnionWith(virtualTable.Variables.Where(x => !Variables.Contains(x)));
StructureTypes.AddRange(virtualTable.StructureTypes.Where(x => !StructureTypes.Contains(x)));
Typedefs.AddRange(virtualTable.Typedefs.Where(x => !Typedefs.Contains(x)));
}