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#ifndef FUNCTION_H_
#define FUNCTION_H_
#include "value.h"
#include <string>
#include <vector>
class AbstractFunction
{
public:
virtual ~AbstractFunction();
virtual Value evaluate(const class Context *ctx, const std::vector<std::string> &call_argnames, const std::vector<Value> &call_argvalues) const;
virtual std::string dump(const std::string &indent, const std::string &name) const;
};
class BuiltinFunction : public AbstractFunction
{
public:
typedef Value (*eval_func_t)(const Context *ctx, const std::vector<std::string> &argnames, const std::vector<Value> &args);
eval_func_t eval_func;
BuiltinFunction(eval_func_t f) : eval_func(f) { }
virtual ~BuiltinFunction();
virtual Value evaluate(const Context *ctx, const std::vector<std::string> &call_argnames, const std::vector<Value> &call_argvalues) const;
virtual std::string dump(const std::string &indent, const std::string &name) const;
};
class Function : public AbstractFunction
{
public:
std::vector<std::string> argnames;
std::vector<class Expression*> argexpr;
Expression *expr;
Function() { }
virtual ~Function();
virtual Value evaluate(const Context *ctx, const std::vector<std::string> &call_argnames, const std::vector<Value> &call_argvalues) const;
virtual std::string dump(const std::string &indent, const std::string &name) const;
};
#endif
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