1 files changed, 43 insertions, 0 deletions
diff --git a/src/function.h b/src/function.h
new file mode 100644
index 0000000..31ca2d6
--- /dev/null
+++ b/src/function.h
@@ -0,0 +1,43 @@
+#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 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