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#ifndef SkScriptCallBack_DEFINED
#define SkScriptCallBack_DEFINED
#include "SkOperand2.h"
#include "SkTDArray_Experimental.h"
class SkScriptCallBack {
public:
enum Type {
kBox,
kFunction,
kMember,
kMemberFunction,
kProperty,
kUnbox
};
virtual bool getReference(const char* , size_t len, SkScriptValue2* result) { return false; }
virtual SkOperand2::OpType getReturnType(size_t ref, SkOperand2*) {
return SkOperand2::kS32; }
virtual Type getType() const = 0;
};
class SkScriptCallBackConvert : public SkScriptCallBack {
public:
virtual bool convert(SkOperand2::OpType type, SkOperand2* operand) = 0;
};
class SkScriptCallBackFunction : public SkScriptCallBack {
public:
virtual void getParamTypes(SkIntArray(SkOperand2::OpType)* types) = 0;
virtual Type getType() const { return kFunction; }
virtual bool invoke(size_t ref, SkOpArray* params, SkOperand2* value) = 0;
};
class SkScriptCallBackMember: public SkScriptCallBack {
public:
bool getMemberReference(const char* , size_t len, void* object, SkScriptValue2* ref);
virtual Type getType() const { return kMember; }
virtual bool invoke(size_t ref, void* object, SkOperand2* value) = 0;
};
class SkScriptCallBackMemberFunction : public SkScriptCallBack {
public:
bool getMemberReference(const char* , size_t len, void* object, SkScriptValue2* ref);
virtual void getParamTypes(SkIntArray(SkOperand2::OpType)* types) = 0;
virtual Type getType() const { return kMemberFunction; }
virtual bool invoke(size_t ref, void* object, SkOpArray* params, SkOperand2* value) = 0;
};
class SkScriptCallBackProperty : public SkScriptCallBack {
public:
virtual bool getConstValue(const char* name, size_t len, SkOperand2* value) { return false; }
virtual bool getResult(size_t ref, SkOperand2* answer) { return false; }
virtual Type getType() const { return kProperty; }
};
#endif // SkScriptCallBack_DEFINED
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