From edf75ebe9a8adf1f3500de52baad3fdd5e231fb2 Mon Sep 17 00:00:00 2001
From: Valk Richard Li <48872266+ValKmjolnir@users.noreply.github.com>
Date: Fri, 5 Jun 2020 16:16:32 +0800
Subject: [PATCH] Delete abstract_syntax_tree.h

---
 version0.18/abstract_syntax_tree.h | 243 -----------------------------
 1 file changed, 243 deletions(-)
 delete mode 100644 version0.18/abstract_syntax_tree.h

diff --git a/version0.18/abstract_syntax_tree.h b/version0.18/abstract_syntax_tree.h
deleted file mode 100644
index f67ab08..0000000
--- a/version0.18/abstract_syntax_tree.h
+++ /dev/null
@@ -1,243 +0,0 @@
-#ifndef __ABSTRACT_SYNTAX_TREE_H__
-#define __ABSTRACT_SYNTAX_TREE_H__
-
-class ast_tree_node
-{
-	protected:
-		int line;
-		int type;
-		std::list<ast_tree_node> children;// for node that can be extended
-		
-		double num;       // for number
-		std::string str;   // for string
-	public:
-		ast_tree_node()
-		{
-			line=0;
-			type=__root;
-			children.clear();
-			
-			num=0;
-			str="";
-		}
-		void set_line(int _line)
-		{
-			line=_line;
-			return;
-		}
-		int return_type()
-		{
-			return type;
-		}
-		int return_line()
-		{
-			return line;
-		}
-		double run()
-		{
-			if(type==__number)
-				return num;
-			else if(type==__root)
-			{
-				std::cout<<">>[Result(s)]"<<std::endl;
-				for(std::list<ast_tree_node>::iterator i=children.begin();i!=children.end();++i)
-					std::cout<<i->run()<<std::endl;
-				return 1;
-			}
-			else
-			{
-				std::list<ast_tree_node>::iterator i=children.begin();
-				double left_child=i->run();
-				++i;
-				double right_child=i->run();
-				switch(type)
-				{
-					case __add_operator:return left_child+right_child;break;
-					case __sub_operator:return left_child-right_child;break;
-					case __mul_operator:return left_child*right_child;break;
-					case __div_operator:return left_child/right_child;break;
-				}
-			}
-			return 0;
-		}
-		void add_child(ast_tree_node& new_child)
-		{
-			children.push_back(new_child);
-			return;
-		}
-		ast_tree_node& return_last_child()
-		{
-			std::list<ast_tree_node>::iterator i;
-			for(i=children.begin();i!=children.end();++i)
-				;
-			--i;
-			return *i;
-		}
-		void clear_tree()
-		{
-			line=0;
-			type=__root;
-			children.clear();
-			
-			num=0;
-			str="";
-			return;
-		}
-		int child_num()
-		{
-			int cnt=0;
-			for(std::list<ast_tree_node>::iterator i=children.begin();i!=children.end();++i)
-				++cnt;
-			return cnt;
-		}
-		void print(int tab_num)
-		{
-			for(int i=0;i<tab_num;++i)
-				std::cout<<" ";
-			if(type==__number)
-			{
-				std::cout<<"[ number:";
-				std::cout<<num;
-				std::cout<<" ]"<<std::endl;
-				return;
-			}
-			else if(type==__string)
-			{
-				std::cout<<"[ string:"<<str<<" ]"<<std::endl;
-				return;
-			}
-			std::cout<<"{ [ node type:";
-			print_token(type);
-			std::cout<<" ]"<<std::endl;
-			for(std::list<ast_tree_node>::iterator i=children.begin();i!=children.end();++i)
-				i->print(tab_num+1);
-			for(int i=0;i<tab_num;++i)
-				std::cout<<" ";
-			std::cout<<"}"<<std::endl;
-			return;
-		}
-};
-class definition_expr:public ast_tree_node
-{
-	public:
-		definition_expr():ast_tree_node()
-		{
-			;
-		}
-};
-class assignment_expr:public ast_tree_node
-{
-	public:
-		assignment_expr():ast_tree_node()
-		{
-			;
-		}
-};
-class ifelse_expr:public ast_tree_node
-{
-	public:
-		ifelse_expr():ast_tree_node()
-		{
-			;
-		}
-};
-class loop_expr:public ast_tree_node
-{
-	public:
-		loop_expr():ast_tree_node()
-		{
-			;
-		}
-};
-class function_expr:public ast_tree_node
-{
-	public:
-		function_expr():ast_tree_node()
-		{
-			;
-		}
-};
-class operator_expr:public ast_tree_node
-{
-	public:
-		operator_expr():ast_tree_node()
-		{
-			type=__operator;
-		}
-		void set_operator_type(int oprt_type)
-		{
-			type=oprt_type;
-			return;
-		}
-};
-class number_expr:public ast_tree_node
-{
-	public:
-		number_expr():ast_tree_node()
-		{
-			type=__number;
-		}
-		double return_num()
-		{
-			return num;
-		}
-		void set_number(std::string& str)
-		{
-			type=__number;
-			double is_float=false;
-			int DotPlace=0;
-			for(int i=0;i<(int)str.length();++i)
-				if(str[i]=='.')
-				{
-					is_float=true;
-					DotPlace=i;
-					break;
-				}
-			if(!is_float)
-			{
-				num=0;
-				double acc=1;
-				for(int i=(int)str.length()-1;i>=0;--i)
-				{
-					num+=acc*((double)(str[i]-'0'));
-					acc*=10;
-				}
-			}
-			else
-			{
-				num=0;
-				double acc=1;
-				double aff=0.1;
-				for(int i=DotPlace+1;i<(int)str.length();++i)
-				{
-					num+=aff*((double)(str[i]-'0'));
-					aff*=0.1;
-				}
-				for(int i=DotPlace-1;i>=0;--i)
-				{
-					num+=acc*((double)(str[i]-'0'));
-					acc*=10;
-				}
-			}
-			return;
-		}
-};
-class string_expr:public ast_tree_node
-{
-	public:
-		string_expr():ast_tree_node()
-		{
-			type=__string;
-		}
-		void set_str(std::string& t)
-		{
-			str=t;
-			return;
-		}
-		std::string& return_str()
-		{
-			return str;
-		}
-};
-
-#endif