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Fix: [Script] Improve type checking of parameters (#13522)

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This commit is contained in:
Loïc Guilloux
2025-02-13 13:46:21 +01:00
committed by GitHub
parent dc311d7c38
commit b2c5712319
4 changed files with 46 additions and 14 deletions
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16
src/script/squirrel.cpp
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@@ -510,6 +510,22 @@ bool Squirrel::CreateClassInstance(const std::string &class_name, void *real_ins
return Squirrel::CreateClassInstanceVM(this->vm, class_name, real_instance, instance, nullptr);
}
/* static */ SQUserPointer Squirrel::GetRealInstance(HSQUIRRELVM vm, int index, const char *tag)
{
Squirrel *engine = static_cast<Squirrel *>(sq_getforeignptr(vm));
std::string class_name = fmt::format("{}{}", engine->GetAPIName(), tag);
sq_pushroottable(vm);
sq_pushstring(vm, class_name);
sq_get(vm, -2);
sq_push(vm, index);
if (sq_instanceof(vm)) {
sq_pop(vm, 3);
SQUserPointer ptr = nullptr;
if (SQ_SUCCEEDED(sq_getinstanceup(vm, index, &ptr, nullptr))) return ptr;
}
throw sq_throwerror(vm, fmt::format("parameter {} has an invalid type ; expected: '{}'", index - 1, class_name));
}
Squirrel::Squirrel(const char *APIName) :
APIName(APIName), allocator(new ScriptAllocator())
{