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[orc-rt] Prevent RTTIExtends from being used for errors. (#172250)

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Custom error types (ErrorInfoBase subclasses) should use ErrorExtends as
of 8f51da369e6. Adding a static_assert allows us to enforce that at
compile-time.
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Lang Hames 2025-12-15 17:21:25 +11:00 committed by GitHub
parent 5a581acb29
commit 61908c5957
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8
orc-rt/include/orc-rt/RTTI.h
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@ -52,8 +52,12 @@
#ifndef ORC_RT_RTTI_H
#define ORC_RT_RTTI_H
#include <type_traits>
namespace orc_rt {
class ErrorInfoBase;
template <typename ThisT, typename ParentT> class RTTIExtends;
/// Base class for the extensible RTTI hierarchy.
@ -107,6 +111,10 @@ private:
///
template <typename ThisT, typename ParentT> class RTTIExtends : public ParentT {
public:
static_assert(!std::is_base_of_v<ErrorInfoBase, ParentT>,
"RTTIExtends should not be used to define orc_rt custom error "
"types, use ErrorExtends instead");
// Inherit constructors and isA methods from ParentT.
using ParentT::isA;
using ParentT::ParentT;