protected bool GetNativeExternName(IMethodSymbol method, NativeTarget target, out string name)
{
var attribute = GetNativeExternAttribute(method, target);
if (attribute != null)
{
var constant = attribute.ConstructorArguments[1];
if (constant.Value == null)
{
name = method.Name;
}
else
{
name = constant.Value.ToString();
}
return(true);
}
else if (!IsInternalCall(method))
{
throw new NotSupportedException("Unsupported extern method invoke: " + method.FullName());
}
name = null;
return(false);
}
protected AttributeData GetCS2XAttribute(ISymbol symbol, NativeTarget target, string attributeTypeName)
{
foreach (var attribute in symbol.GetAttributes())
{
var type = attribute.AttributeClass;
if (type.ContainingNamespace.Name == "CS2X" && type.Name == attributeTypeName)
{
if (!attribute.ConstructorArguments.Any(x => ((int)x.Value & 1) == (int)target))
{
throw new NotImplementedException($"NativeTarget not set for '{target}': " + symbol.FullName());
}
return(attribute);
}
}
return(null);
}
protected bool GetNativeTypeName(ITypeSymbol type, NativeTarget target, out string name)
{
if (GetNativeTypeAttribute(type, target, out var attribute))
{
var constant = attribute.ConstructorArguments[1];
if (constant.Value == null)
{
name = type.Name;
}
else
{
name = constant.Value.ToString();
}
return(true);
}
name = null;
return(false);
}
protected bool GetNativeExternName(IMethodSymbol method, NativeTarget target, out string name)
{
if (GetNativeExternAttribute(method, target, out var nativeExternAttribute))
{
var constant = nativeExternAttribute.ConstructorArguments[1];
if (constant.Value == null)
{
name = method.Name;
}
else
{
name = constant.Value.ToString();
}
return(true);
}
name = null;
return(false);
}
protected bool GetNativeTypeAttribute(ITypeSymbol type, NativeTarget target, out AttributeData attribute)
{
return(GetCS2XAttribute(type, target, "NativeTypeAttribute", out attribute));
}
protected bool GetNativeExternAttribute(IMethodSymbol method, NativeTarget target, out AttributeData attribute)
{
return(GetCS2XAttribute(method, target, "NativeExternAttribute", out attribute));
}
protected AttributeData GetNativeTypeAttribute(ITypeSymbol type, NativeTarget target)
{
return(GetCS2XAttribute(type, target, "NativeTypeAttribute"));
}
protected AttributeData GetNativeExternAttribute(IMethodSymbol method, NativeTarget target)
{
return(GetCS2XAttribute(method, target, "NativeExternAttribute"));
}
public NativeExternAttribute(NativeTarget target, string methodName = null)
{
this.target = target;
this.methodName = methodName;
}
public NativeTypeAttribute(NativeTarget target, string typeName = null)
{
this.target = target;
this.typeName = typeName;
}
