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public static TypeRefMask CreateMask(TypeRefContext ctx, TypeSymbol t) { Contract.ThrowIfNull(t); switch (t.SpecialType) { case SpecialType.System_Void: return 0; case SpecialType.System_Int64: return ctx.GetLongTypeMask(); case SpecialType.System_String: return ctx.GetStringTypeMask(); case SpecialType.System_Double: return ctx.GetDoubleTypeMask(); case SpecialType.System_Boolean: return ctx.GetBooleanTypeMask(); case SpecialType.None: var containing = t.ContainingAssembly; if (containing != null && containing.IsPchpCorLibrary) { if (t.Name == "PhpValue") return TypeRefMask.AnyType; if (t.Name == "PhpAlias") return TypeRefMask.AnyType.WithRefFlag; if (t.Name == "PhpNumber") return ctx.GetNumberTypeMask(); if (t.Name == "PhpString") return ctx.GetWritableStringTypeMask(); if (t.Name == "PhpArray") return ctx.GetArrayTypeMask(); if (t.Name == "IPhpCallable") return ctx.GetCallableTypeMask(); } break; } return CreateMask(ctx, CreateTypeRef(ctx, t)); }