polserver/pol-core/bscript/bclassinstance.h
Kevin Eady ffbb5a8674 Add BClassInstanceRef; better error messages on bad method calls (#709)
* Add BClassInstanceRef

* Better error messages on bad method calls
2024-10-10 18:06:04 +02:00

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2.9 KiB
C++

#pragma once
#include <map>
#include <set>
#include "bstruct.h"
namespace Pol::Bscript
{
class BFunctionRef;
class BClassInstance final : public BStruct
{
typedef BStruct base;
public:
BClassInstance( ref_ptr<EScriptProgram> program, int index,
std::shared_ptr<ValueStackCont> globals );
BClassInstance( const BClassInstance& B );
~BClassInstance() = default;
public:
virtual size_t sizeEstimate() const override;
ref_ptr<EScriptProgram> prog() const;
unsigned index() const;
// returns nullptr if no function found
BFunctionRef* makeMethod( const char* method_name );
// Inherited from BStruct
virtual const char* typetag() const override;
std::set<unsigned> constructors_called;
public: // Class Machinery
virtual const char* typeOf() const override;
virtual u8 typeOfInt() const override;
virtual BObjectImp* copy() const override;
virtual bool isTrue() const override;
virtual BObjectImp* call_method( const char* methodname, Executor& ex ) override;
virtual BObjectImp* call_method_id( const int id, Executor& ex,
bool forcebuiltin = false ) override;
virtual BObjectRef get_member_id( const int id ) override;
virtual void packonto( std::ostream& os ) const override;
virtual std::string getStringRep() const override;
private:
ref_ptr<EScriptProgram> prog_;
unsigned int index_;
public:
std::shared_ptr<ValueStackCont> globals;
};
class BClassInstanceRef final : public BObjectImp
{
public:
BClassInstanceRef( BClassInstance* );
private:
~BClassInstanceRef() = default;
public: // Class Machinery
virtual size_t sizeEstimate() const override;
virtual const char* typeOf() const override;
virtual u8 typeOfInt() const override;
virtual BObjectImp* copy() const override;
virtual bool isTrue() const override;
virtual BObjectImp* call_method( const char* methodname, Executor& ex ) override;
virtual BObjectImp* call_method_id( const int id, Executor& ex,
bool forcebuiltin = false ) override;
virtual BObjectRef get_member_id( const int id ) override;
virtual std::string getStringRep() const override;
virtual ContIterator* createIterator( BObject* pIterVal ) override;
virtual BObjectRef OperSubscript( const BObject& obj ) override;
virtual BObjectRef set_member( const char* membername, BObjectImp* value, bool copy ) override;
virtual BObjectRef get_member( const char* membername ) override;
virtual BObjectRef operDotPlus( const char* name ) override;
virtual BObjectRef operDotMinus( const char* name ) override;
virtual BObjectRef operDotQMark( const char* name ) override;
virtual BObjectImp* array_assign( BObjectImp* idx, BObjectImp* target, bool copy ) override;
inline BClassInstance* instance() const { return class_instance_.get(); }
private:
ref_ptr<BClassInstance> class_instance_;
};
} // namespace Pol::Bscript