/// <summary>
/// Replace the method occurence with its last definition
/// </summary>
/// <param name="methodDeclaration">the overriding method</param>
/// <param name="errorLogger"></param>
public void ReplaceVirtualMethod(MethodDeclaration methodDeclaration, LoggerResult errorLogger)
{
var baseDeclarationMixin = (string)methodDeclaration.GetTag(XenkoTags.BaseDeclarationMixin);
foreach (var dict in VirtualTableGroup.Select(x => x.Value))
{
for (int i = 0; i < dict.Length; ++i)
{
var method = dict[i];
var originalDecl = (string)method.GetTag(XenkoTags.BaseDeclarationMixin);
// TODO: take typedefs into account...
if (originalDecl == baseDeclarationMixin && method.IsSameSignature(methodDeclaration))
{
if (method.Qualifiers.Contains(XenkoStorageQualifier.Stage) && !methodDeclaration.Qualifiers.Contains(XenkoStorageQualifier.Stage))
{
errorLogger.Warning(XenkoMessageCode.WarningMissingStageKeyword, methodDeclaration.Span, methodDeclaration, (methodDeclaration.GetTag(XenkoTags.ShaderScope) as ModuleMixin).MixinName);
methodDeclaration.Qualifiers |= XenkoStorageQualifier.Stage;
}
else if (!method.Qualifiers.Contains(XenkoStorageQualifier.Stage) && methodDeclaration.Qualifiers.Contains(XenkoStorageQualifier.Stage))
{
errorLogger.Error(XenkoMessageCode.ErrorExtraStageKeyword, methodDeclaration.Span, methodDeclaration, method, (methodDeclaration.GetTag(XenkoTags.ShaderScope) as ModuleMixin).MixinName);
methodDeclaration.Qualifiers.Values.Remove(XenkoStorageQualifier.Stage);
}
dict[i] = methodDeclaration;
}
}
}
}
/// <summary>
/// Finds the location of the method in the virtual table of its definition mixin
/// </summary>
/// <param name="methodDeclaration"></param>
/// <returns></returns>
public VTableReference GetBaseDeclaration(MethodDeclaration methodDeclaration)
{
var baseMethodDeclMixin = methodDeclaration.GetTag(XenkoTags.BaseDeclarationMixin) as string;
var slot = -1;
var vt = VirtualTableGroup[baseMethodDeclMixin];
for (int i = 0; i < vt.Length; ++i)
{
if (methodDeclaration.IsSameSignature(vt[i]))
{
slot = i;
break;
}
}
return new VTableReference { Shader = baseMethodDeclMixin, Slot = slot };
}
/// <summary>
/// Find the base definition of the method and override its occurence
/// </summary>
/// <param name="methodDeclaration"></param>
/// <param name="errorLogger"></param>
private void LookForBaseDeclarationMixin(MethodDeclaration methodDeclaration, LoggerResult errorLogger)
{
foreach (var dict in VirtualTableGroup.Select(x => x.Value))
{
for (int i = 0; i < dict.Length; ++i)
{
var method = dict[i];
var baseDeclarationMixin = (string)method.GetTag(XenkoTags.BaseDeclarationMixin);
// TODO: take typedefs into account...
if (method.IsSameSignature(methodDeclaration))
{
var sourceShader = ((ModuleMixin)methodDeclaration.GetTag(XenkoTags.ShaderScope)).MixinName;
// test override
if (methodDeclaration is MethodDefinition && method is MethodDefinition && !methodDeclaration.Qualifiers.Contains(XenkoStorageQualifier.Override))
errorLogger.Error(XenkoMessageCode.ErrorMissingOverride, method.Span, methodDeclaration, sourceShader);
if (!(methodDeclaration is MethodDefinition))
errorLogger.Error(XenkoMessageCode.ErrorOverrindingDeclaration, method.Span, methodDeclaration, sourceShader);
if (method.Qualifiers.Contains(XenkoStorageQualifier.Stage) && !methodDeclaration.Qualifiers.Contains(XenkoStorageQualifier.Stage))
{
errorLogger.Warning(XenkoMessageCode.WarningMissingStageKeyword, methodDeclaration.Span, methodDeclaration, (methodDeclaration.GetTag(XenkoTags.ShaderScope) as ModuleMixin).MixinName);
methodDeclaration.Qualifiers |= XenkoStorageQualifier.Stage;
}
else if (!method.Qualifiers.Contains(XenkoStorageQualifier.Stage) && methodDeclaration.Qualifiers.Contains(XenkoStorageQualifier.Stage))
{
errorLogger.Error(XenkoMessageCode.ErrorExtraStageKeyword, methodDeclaration.Span, methodDeclaration, method, (methodDeclaration.GetTag(XenkoTags.ShaderScope) as ModuleMixin).MixinName);
methodDeclaration.Qualifiers.Values.Remove(XenkoStorageQualifier.Stage);
}
dict[i] = methodDeclaration;
methodDeclaration.SetTag(XenkoTags.BaseDeclarationMixin, baseDeclarationMixin);
}
}
}
}
/// <summary>
/// Get the overloaded method from one of its base declaration
/// </summary>
/// <param name="methodDeclaration">the MethodDeclaration</param>
/// <returns>the overloaded MethodDeclaration</returns>
public MethodDeclaration GetMethodFromDeclaration(MethodDeclaration methodDeclaration)
{
var info = (VTableReference)methodDeclaration.GetTag(ParadoxTags.VirtualTableReference);
return VirtualTable.GetMethod(info.Shader, info.Slot);
}