diff --git a/abstract_syntax_tree.h b/abstract_syntax_tree.h
deleted file mode 100644
index 93cefb0..0000000
--- a/abstract_syntax_tree.h
+++ /dev/null
@@ -1,214 +0,0 @@
-#ifndef __ABSTRACT_SYNTAX_TREE_H__
-#define __ABSTRACT_SYNTAX_TREE_H__
-
-class var;
-
-class abstract_syntax_tree
-{
-	protected:
-		int type;
-		int line;
-		double number;
-		std::string str;
-		std::string name;
-		std::list<abstract_syntax_tree> children;
-	public:
-		abstract_syntax_tree()
-		{
-			type=0;
-			line=0;
-			number=0;
-			str="";
-			name="";
-			children.clear();
-			return;
-		}
-		abstract_syntax_tree(const abstract_syntax_tree& p)
-		{
-			type=p.type;
-			line=p.line;
-			number=p.number;
-			str=p.str;
-			name=p.name;
-			children=p.children;
-			return;
-		}
-		~abstract_syntax_tree()
-		{
-			children.clear();
-			return;
-		}
-		abstract_syntax_tree& operator=(const abstract_syntax_tree& p)
-		{
-			type=p.type;
-			line=p.line;
-			number=p.number;
-			str=p.str;
-			name=p.name;
-			children.clear();
-			children=p.children;
-			return *this;
-		}
-		void set_clear()
-		{
-			type=0;
-			line=0;
-			number=0;
-			str="";
-			name="";
-			children.clear();
-			return;
-		}
-		void print_tree(const int n)
-		{
-			std::string _str="";
-			for(int i=0;i<n;++i)
-				_str+="| ";
-			std::cout<<_str;
-			print_detail_token(type);
-			switch(type)
-			{
-				case __number:std::cout<<": "<<number;break;
-				case __string:std::cout<<": "<<str;break;
-				case __id:
-				case __call_array:
-				case __call_hash:
-				case __call_function:std::cout<<": "<<name;break;
-			}
-			std::cout<<std::endl;
-			if(!children.empty())
-			{
-				for(auto i=children.begin();i!=children.end();++i)
-					i->print_tree(n+1);
-			}
-			return;
-		}
-		void set_type(const int _type)
-		{
-			type=_type;
-			return;
-		}
-		void set_line(const int _line)
-		{
-			line=_line;
-			return;
-		}
-		void set_string(std::string _str)
-		{
-			str=_str;
-			return;
-		}
-		void set_number(std::string _str)
-		{
-			if(_str=="nil")
-			{
-				number=0;
-				return;
-			}
-			if((int)_str.length()>2 && (_str[1]=='x' || _str[1]=='o'))
-			{
-				double num=0;
-				double pw=1;
-				if(_str[1]=='x')
-					for(int i=(int)_str.length()-1;i>1;--i)
-					{
-						if('0'<=_str[i] && _str[i]<='9')
-							num+=(_str[i]-'0')*pw;
-						else if('a'<=_str[i] && _str[i]<='f')
-							num+=(10+_str[i]-'a')*pw;
-						else if('A'<=_str[i] && _str[i]<='F')
-							num+=(10+_str[i]-'A')*pw;
-						pw*=16;
-					}
-				else
-					for(int i=(int)_str.length()-1;i>1;--i)
-					{
-						num+=(_str[i]-'0')*pw;
-						pw*=8;
-					}
-				number=num;
-				return;
-			}
-			int dot_place=-1;
-			for(int i=0;i<(int)_str.length();++i)
-				if(_str[i]=='.')
-				{
-					dot_place=i;
-					break;
-				}
-			if(dot_place==-1)
-			{
-				number=0;
-				double pw=1;
-				for(int i=(int)_str.length()-1;i>=0;--i)
-				{
-					number+=(_str[i]-'0')*pw;
-					pw*=10;
-				}
-			}
-			else
-			{
-				number=0;
-				double pw=0.1;
-				for(int i=dot_place+1;i<(int)_str.length();++i)
-				{
-					number+=(_str[i]-'0')*pw;
-					pw/=10;
-				}
-				pw=1;
-				for(int i=dot_place-1;i>=0;--i)
-				{
-					number+=(_str[i]-'0')*pw;
-					pw*=10;
-				}
-			}
-			return;
-		}
-		void set_name(std::string _str)
-		{
-			name=_str;
-			return;
-		}
-		void add_child(abstract_syntax_tree p)
-		{
-			children.push_back(p);
-			return;
-		}
-		int get_type()
-		{
-			return type;
-		}
-		int get_line()
-		{
-			return line;
-		}
-		double get_number()
-		{
-			return number;
-		}
-		std::string get_string()
-		{
-			return str;
-		}
-		std::string get_name()
-		{
-			return name;
-		}
-		std::list<abstract_syntax_tree>& get_children()
-		{
-			return children;
-		}
-		var calculation();
-		bool condition_check();
-		var call_identifier();
-		var array_generation();
-		var hash_generation();
-		var get_value();
-		void run_root();
-		int run_loop();
-		int run_ifelse();
-		var run_func();
-		int run_block();
-};
-
-#endif