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Add template for lua_State* properties in namespaces #326

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Merged
dmitry-t merged 1 commit into from
Sep 30, 2025
Merged

Add template for lua_State* properties in namespaces #326

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34 changes: 34 additions & 0 deletions Source/LuaBridge/detail/Namespace.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1226,6 +1226,40 @@ class Namespace : public detail::Registrar
return *this;
}

//--------------------------------------------------------------------------
/**
Add or replace a property member.
Custom property for lua_State
*/
template<class TG, class TS = TG>
Namespace& addProperty(char const* name, TG (*get)(lua_State*), void (*set)(TS, lua_State*) = 0)
{
if (m_stackSize == 1)
{
throw std::logic_error("addProperty () called on global namespace");
}

typedef TG (*get_t)(lua_State*);
lua_pushlightuserdata(L, reinterpret_cast<void*>(get));
lua_pushcclosure(L, &CFunc::Call<get_t>::f, 1);
CFunc::addGetter(L, name, -2);

if (set != 0)
{
typedef void (*set_t)(TS, lua_State*);
lua_pushlightuserdata(L, reinterpret_cast<void*>(set));
lua_pushcclosure(L, &CFunc::Call<set_t>::f, 1);
}
else
{
lua_pushstring(L, name);
lua_pushcclosure(L, &CFunc::readOnlyError, 1);
}
CFunc::addSetter(L, name, -2);

return *this;
}

//----------------------------------------------------------------------------
/**
Add or replace a property.
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