D:/Projekt/ECF_trunk/ECF/tree/Primitive.h

#ifndef Primitive_h
#define Primitive_h


namespace Tree {

#define DBL_PREFIX "D_" 
#define INT_PREFIX "I_" 
#define BOOL_PREFIX "B_"
#define CHR_PREFIX "C_" 
#define STR_PREFIX "S_" 

class Tree;
namespace Primitives {


enum terminal_type
{ Double, Int, Bool, Char, String };

class Primitive;
typedef boost::shared_ptr<Primitive> PrimitiveP;

class Primitive
{
public:
    Primitive();
    virtual ~Primitive();

    virtual void execute(void* result, Tree& tree) = 0; 
    virtual bool initialize(StateP state);
    virtual void setValue(void* value);
    virtual void getValue(void* value);
    virtual PrimitiveP copyWithNode(PrimitiveP);
    virtual PrimitiveP assignToNode(PrimitiveP);
    void getNextArgument(void* result, Tree& tree);
    void skipNextArgument(Tree& tree);
    int getNumberOfArguments();
    void setName(std::string name);
    std::string getName();
    std::string getComplementName();

    StateP state_;

protected:
    std::string name_;
    int nArguments_;
    std::string complementName_;
};

}
typedef boost::shared_ptr<Primitives::Primitive> PrimitiveP;
}

#endif