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