--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Bison-Flex/CALC/discrete-parser/EUC/node.h	Mon May 09 03:11:59 2011 +0900
@@ -0,0 +1,70 @@
+//
+// ノードクラス
+//
+//	Chihiro.SAKAMOTO
+//
+#ifndef __NODE_H__
+#define	__NODE_H__
+
+#include <string>
+
+// ノードの命令・トークン種別
+enum	{
+	OP_EOF = -1,
+	OP_NEG,
+	OP_PLUS,
+	OP_MINUS,
+	OP_TIMES,
+	OP_DIVIDE,
+	OP_VALUE,
+	OP_CONST,
+	OP_OPAR,
+	OP_CPAR,
+	OP_EQU,
+	OP_NEWLINE,
+	OP_PRINT,
+	OP_LIST,
+	OP_ERROR,
+} ;
+
+// ノード
+
+class calc_driver;
+class cnode {
+  public:
+	cnode(int op, cnode *left, cnode *right=0)
+		: op_(op), left_(left), right_(right), value_(0), string_(0)
+	{
+	}
+	cnode(int op, int value)
+		: op_(op), left_(0), right_(0), value_(value), string_(0)
+	{
+	}
+	cnode(int op, std::string *str)
+		: op_(op), left_(0), right_(0), value_(0), string_(str)
+	{
+	}
+	virtual ~cnode()
+	{
+		delete left_;
+		delete right_;
+		delete string_;
+	}
+
+	int expr(calc_driver *driver) const;
+
+	int op() const { return op_; }
+	int value() const { return value_; }
+	const std::string &string() const { return *string_; }
+	const cnode *left() const { return left_; }
+	const cnode *right() const { return right_; }
+
+  protected:
+	int op_;
+	int value_;
+	std::string *string_;
+	cnode *left_;
+	cnode *right_;
+} ;
+
+#endif