diff --git a/balloon/balloon_parse.h b/balloon/balloon_parse.h
deleted file mode 100644
index a0c7074..0000000
--- a/balloon/balloon_parse.h
+++ /dev/null
@@ -1,1103 +0,0 @@
-#ifndef __BALLOON_PARSE_H__
-#define __BALLOON_PARSE_H__
-
-class balloon_parse
-{
-	private:
-		std::stack<token> parse;
-		token this_token;
-		int error;
-		int warning;
-		abstract_syntax_tree root;
-	public:
-		void get_token()
-		{
-			if(!parse.empty())
-			{
-				this_token=parse.top();
-				parse.pop();
-			}
-			else
-				this_token.type=0;
-			return;
-		}
-		void get_detail_token_stream(std::list<token>& tk_list)
-		{
-			root.set_clear();
-			while(!parse.empty())
-				parse.pop();
-			if(tk_list.empty())
-				return;
-			std::stack<token> temp;
-			for(std::list<token>::iterator i=tk_list.begin();i!=tk_list.end();++i)
-				temp.push(*i);
-			while(!temp.empty())
-			{
-				parse.push(temp.top());
-				temp.pop();
-			}
-			return;
-		}
-		void print_parse_stack()
-		{
-			if(parse.empty())
-				return;
-			std::stack<token> temp;
-			int line=parse.top().line;
-			std::cout<<line<<"	";
-			while(!parse.empty())
-			{
-				if(parse.top().line!=line)
-				{
-					line=parse.top().line;
-					std::cout<<std::endl<<line<<"	";
-				}
-				temp.push(parse.top());
-				std::cout<<" ";
-				print_detail_token(temp.top().type);
-				parse.pop();
-			}
-			while(!temp.empty())
-			{
-				parse.push(temp.top());
-				temp.pop();
-			}
-			std::cout<<std::endl;
-			return;
-		}
-		int get_error()
-		{
-			return error;
-		}
-		void print_generated_tree()
-		{
-			std::cout<<">>[Abstract-syntax-tree]"<<std::endl;
-			root.print_tree(1);
-			return;
-		}
-		void run_tree()
-		{
-			std::cout<<">>[Runtime] process begins at addr:"<<(void*)(&root)<<"."<<std::endl;
-			root.run_root();
-			return;
-		}
-		/*
-			ret: return expression
-			choose: if-else expression
-			loop: while/for/forindex/foreach expression
-			definition
-			assignment
-			block: set of expressions
-			generate:
-				array
-				hash
-				number
-				string
-				function
-			block
-			scalar:
-				calculation:
-				calculation_or:
-				calculation_and:
-				calculation_cmp:
-				calculation_additive:
-				calculation_multive:
-					call_identifier
-					unary expression
-					->generate
-			semi: check if the statements is ended with semi
-			parse_main: main process
-		*/
-		abstract_syntax_tree ret();
-		abstract_syntax_tree choose();
-		abstract_syntax_tree loop();
-		abstract_syntax_tree definition();
-		abstract_syntax_tree assignment();
-		abstract_syntax_tree block();
-		
-		abstract_syntax_tree array_generate();
-		abstract_syntax_tree hash_generate();
-		abstract_syntax_tree func_generate();
-		abstract_syntax_tree check_number();
-		abstract_syntax_tree check_string();
-		
-		abstract_syntax_tree scalar();
-		
-		abstract_syntax_tree call_identifier();
-		abstract_syntax_tree check_unary();
-		
-		abstract_syntax_tree calculation();
-		abstract_syntax_tree calculation_or();
-		abstract_syntax_tree calculation_and();
-		abstract_syntax_tree calculation_cmp();
-		abstract_syntax_tree calculation_additive();
-		abstract_syntax_tree calculation_multive();
-		
-		void check_semi();
-		void parse_main();
-};
-
-abstract_syntax_tree balloon_parse::ret()
-{
-	abstract_syntax_tree new_node;
-	new_node.set_type(__return);
-	get_token();
-	if(this_token.type!=__return)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": must use \'return\' here."<<std::endl;
-		return new_node;
-	}
-	new_node.set_line(this_token.line);
-	get_token();
-	if(this_token.type==__semi)
-		parse.push(this_token);
-	else
-	{
-		parse.push(this_token);
-		new_node.add_child(scalar());
-	}
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::choose()
-{
-	abstract_syntax_tree new_node;
-	abstract_syntax_tree temp;
-	new_node.set_type(__ifelse);
-	temp.set_type(__if);
-	get_token();
-	if(this_token.type!=__if)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": must use \'if\' when generating an if-else statement."<<std::endl;
-		return new_node;
-	}
-	new_node.set_line(this_token.line);
-	temp.set_line(this_token.line);
-	get_token();
-	if(this_token.type!=__left_curve)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \'(\'."<<std::endl;
-		return new_node;
-	}
-	temp.add_child(scalar());
-	get_token();
-	if(this_token.type!=__right_curve)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \')\'."<<std::endl;
-		return new_node;
-	}
-	temp.add_child(block());
-	new_node.add_child(temp);
-	while(1)
-	{
-		temp.set_clear();
-		get_token();
-		if(this_token.type!=__elsif && this_token.type!=__else)
-		{
-			parse.push(this_token);
-			break;
-		}
-		if(this_token.type==__else)
-		{
-			get_token();
-			if(this_token.type==__if)// else if
-			{
-				temp.set_type(__elsif);
-				temp.set_line(this_token.line);
-				get_token();
-				if(this_token.type!=__left_curve)
-				{
-					++error;
-					std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \'(\'."<<std::endl;
-					return new_node;
-				}
-				temp.add_child(scalar());
-				get_token();
-				if(this_token.type!=__right_curve)
-				{
-					++error;
-					std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \')\'."<<std::endl;
-					return new_node;
-				}
-				temp.add_child(block());
-				new_node.add_child(temp);
-			}
-			else// real else
-			{
-				temp.set_type(__else);
-				temp.set_line(this_token.line);
-				parse.push(this_token);
-				temp.add_child(block());
-				new_node.add_child(temp);
-				break;
-			}
-		}
-		else if(this_token.type==__elsif)
-		{
-			temp.set_type(__elsif);
-			temp.set_line(this_token.line);
-			get_token();
-			if(this_token.type!=__left_curve)
-			{
-				++error;
-				std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \'(\'."<<std::endl;
-				return new_node;
-			}
-			temp.add_child(scalar());
-			get_token();
-			if(this_token.type!=__right_curve)
-			{
-				++error;
-				std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \')\'."<<std::endl;
-				return new_node;
-			}
-			temp.add_child(block());
-			new_node.add_child(temp);
-		}
-	}
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::loop()
-{
-	abstract_syntax_tree new_node;
-	
-	get_token();
-	if(this_token.type!=__while && this_token.type!=__for)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": must use \'while\' or \'for\' when generating a loop."<<std::endl;
-		return new_node;
-	}
-	new_node.set_type(this_token.type);
-	new_node.set_line(this_token.line);
-	if(this_token.type==__while)
-	{
-		get_token();
-		if(this_token.type!=__left_curve)
-		{
-			++error;
-			std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \'(\'."<<std::endl;
-			return new_node;
-		}
-		new_node.add_child(scalar());
-		get_token();
-		if(this_token.type!=__right_curve)
-		{
-			++error;
-			std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \')\'."<<std::endl;
-			return new_node;
-		}
-	}
-	else if(this_token.type==__for)
-	{
-		get_token();
-		if(this_token.type!=__left_curve)
-		{
-			++error;
-			std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \'(\'."<<std::endl;
-			return new_node;
-		}
-		abstract_syntax_tree nullnode;
-		nullnode.set_type(__null_node);
-		nullnode.set_line(this_token.line);
-		get_token();
-		if(this_token.type!=__semi)
-		{
-			if(this_token.type==__var)
-			{
-				parse.push(this_token);
-				new_node.add_child(definition());
-			}
-			else if(this_token.type==__id)
-			{
-				parse.push(this_token);
-				new_node.add_child(call_identifier());
-			}
-			else
-			{
-				++error;
-				std::cout<<">>[Parse-error] line "<<this_token.line<<": must use definition or assignment or nothing here."<<std::endl;
-				return new_node;
-			}
-		}
-		else
-		{
-			parse.push(this_token);
-			new_node.add_child(nullnode);
-		}
-		check_semi();
-		get_token();
-		if(this_token.type!=__semi)
-		{
-			parse.push(this_token);
-			new_node.add_child(scalar());
-		}
-		else
-		{
-			parse.push(this_token);
-			new_node.add_child(nullnode);
-		}
-		check_semi();
-		get_token();
-		if(this_token.type!=__semi && this_token.type!=__right_curve)
-		{
-			parse.push(this_token);
-			new_node.add_child(scalar());
-		}
-		else
-		{
-			parse.push(this_token);
-			new_node.add_child(nullnode);
-		}
-		get_token();
-		if(this_token.type!=__right_curve)
-		{
-			++error;
-			std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \')\'."<<std::endl;
-			return new_node;
-		}
-	}
-	new_node.add_child(block());
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::definition()
-{
-	abstract_syntax_tree new_node;
-	abstract_syntax_tree temp;
-	new_node.set_type(__definition);
-	temp.set_type(__id);
-	get_token();
-	if(this_token.type!=__var)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \'var\' here."<<std::endl;
-		return new_node;
-	}
-	new_node.set_line(this_token.line);
-	temp.set_line(this_token.line);
-	get_token();
-	if(this_token.type!=__id)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": expect an identifier here."<<std::endl;
-		return new_node;
-	}
-	temp.set_name(this_token.str);
-	new_node.add_child(temp);
-	get_token();
-	if(this_token.type!=__equal)
-	{
-		++warning;
-		std::cout<<">>[Parse-warning] line "<<this_token.line<<": every new var should be initialized."<<std::endl;
-		parse.push(this_token);
-		return new_node;
-	}
-	new_node.add_child(scalar());
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::assignment()
-{
-	abstract_syntax_tree new_node;
-	get_token();
-	if(!(this_token.type==__equal || this_token.type==__add_equal
-	|| this_token.type==__sub_equal || this_token.type==__mul_equal
-	|| this_token.type==__div_equal || this_token.type==__link_equal))
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": expect an operator for assignment here."<<std::endl;
-		return new_node;
-	}
-	new_node.set_line(this_token.line);
-	new_node.set_type(this_token.type);
-	new_node.add_child(scalar());
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::array_generate()
-{
-	abstract_syntax_tree new_node;
-	new_node.set_type(__array);
-	get_token();
-	if(this_token.type!=__left_bracket)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \'[\' here."<<std::endl;
-		return new_node;
-	}
-	new_node.set_line(this_token.line);
-	while(1)
-	{
-		get_token();
-		switch(this_token.type)
-		{
-			case __func:
-			case __left_curve:
-			case __left_bracket:
-			case __left_brace:
-			case __nor_operator:
-			case __sub_operator:
-			case __number:
-			case __string:
-			case __id:parse.push(this_token);new_node.add_child(scalar());break;
-			case __right_bracket:parse.push(this_token);break;
-			default:
-				++error;
-				std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a scalar or \']\' here."<<std::endl;
-				return new_node;
-				break;
-		}
-		get_token();
-		if(this_token.type!=__comma && this_token.type!=__right_bracket)
-		{
-			++error;
-			std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \',\' or \']\' here."<<std::endl;
-			return new_node;
-		}
-		else if(this_token.type==__right_bracket)
-			break;
-	}
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::hash_generate()
-{
-	abstract_syntax_tree new_node;
-	abstract_syntax_tree temp;
-	new_node.set_type(__hash);
-	get_token();
-	if(this_token.type!=__left_brace)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \'{\' here."<<std::endl;
-		return new_node;
-	}
-	new_node.set_line(this_token.line);
-	get_token();
-	if(this_token.type!=__right_brace)
-		parse.push(this_token);
-	while(this_token.type!=__right_brace)
-	{
-		temp.set_clear();
-		temp.set_type(__id);
-		get_token();
-		if(this_token.type!=__id)
-		{
-			++error;
-			std::cout<<">>[Parse-error] line "<<this_token.line<<": expect an identifier here."<<std::endl;
-			return new_node;
-		}
-		temp.set_line(this_token.line);
-		temp.set_name(this_token.str);
-		get_token();
-		if(this_token.type!=__colon)
-		{
-			++error;
-			std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \':\' here."<<std::endl;
-			return new_node;
-		}
-		get_token();
-		switch(this_token.type)
-		{
-			case __func:
-			case __left_curve:
-			case __left_bracket:
-			case __left_brace:
-			case __nor_operator:
-			case __sub_operator:
-			case __number:
-			case __string:
-			case __id:parse.push(this_token);temp.add_child(scalar());break;
-			case __right_brace:parse.push(this_token);break;
-			default:
-				++error;
-				std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a scalar or \'}\' here."<<std::endl;
-				return new_node;
-				break;
-		}
-		new_node.add_child(temp);
-		get_token();
-		if(this_token.type!=__comma && this_token.type!=__right_brace)
-		{
-			++error;
-			std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \',\' or \'}\' here."<<std::endl;
-			return new_node;
-		}
-	}
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::check_number()
-{
-	abstract_syntax_tree new_node;
-	new_node.set_type(__number);
-	get_token();
-	if(this_token.type!=__number)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a number here."<<std::endl;
-		return new_node;
-	}
-	new_node.set_line(this_token.line);
-	new_node.set_number(this_token.str);
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::check_string()
-{
-	abstract_syntax_tree new_node;
-	new_node.set_type(__string);
-	get_token();
-	if(this_token.type!=__string)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a string here."<<std::endl;
-		return new_node;
-	}
-	new_node.set_line(this_token.line);
-	new_node.set_string(this_token.str);
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::check_unary()
-{
-	abstract_syntax_tree new_node;
-	get_token();
-	if(this_token.type!=__nor_operator && this_token.type!=__sub_operator)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a unary operator here."<<std::endl;
-		return new_node;
-	}
-	new_node.set_line(this_token.line);
-	new_node.set_type(this_token.type);
-	get_token();
-	switch(this_token.type)
-	{
-		case __number:parse.push(this_token);new_node.add_child(check_number());break;
-		case __string:parse.push(this_token);new_node.add_child(check_string());break;
-		case __id:parse.push(this_token);new_node.add_child(call_identifier());break;
-		case __left_curve:parse.push(this_token);new_node.add_child(scalar());break;
-		case __nor_operator:parse.push(this_token);new_node.add_child(check_unary());break;
-		default:++error;std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a scalar here."<<std::endl;break;
-	}
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::block()
-{
-	abstract_syntax_tree new_node;
-	abstract_syntax_tree temp;
-	new_node.set_type(__normal_block);
-	get_token();
-	if(this_token.type!=__left_brace)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \'{\' ."<<std::endl;
-		return new_node;
-	}
-	new_node.set_line(this_token.line);
-	while(1)
-	{
-		get_token();
-		switch(this_token.type)
-		{
-			case __var:parse.push(this_token);new_node.add_child(definition());check_semi();break;
-			case __left_curve:
-			case __left_bracket:
-			case __left_brace:
-			case __nor_operator:
-			case __sub_operator:
-			case __number:
-			case __string:
-			case __id:parse.push(this_token);new_node.add_child(scalar());check_semi();break;
-			case __if:parse.push(this_token);new_node.add_child(choose());break;
-			case __for:
-			case __forindex:
-			case __foreach:
-			case __while:parse.push(this_token);new_node.add_child(loop());break;
-			case __semi:break;
-			case __continue:
-			case __break:temp.set_clear();temp.set_type(this_token.type);new_node.add_child(temp);check_semi();break;
-			case __return:parse.push(this_token);new_node.add_child(ret());check_semi();break;
-			case __right_brace:parse.push(this_token);break;
-			default:
-				++error;
-				std::cout<<">>[Parse-error] line "<<this_token.line<<": \'";
-				print_detail_token(this_token.type);
-				std::cout<<"\' should not appear in this scope."<<std::endl;
-				return new_node;
-				break;
-		}
-		get_token();
-		if(this_token.type==__right_brace)
-			break;
-		else
-			parse.push(this_token);
-	}
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::func_generate()
-{
-	abstract_syntax_tree new_node;
-	abstract_syntax_tree para;
-	abstract_syntax_tree temp;
-	new_node.set_type(__function);
-	para.set_type(__parameter);
-	get_token();
-	if(this_token.type!=__func)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \'func\' here."<<std::endl;
-		return new_node;
-	}
-	new_node.set_line(this_token.line);
-	para.set_line(this_token.line);
-	get_token();
-	if(this_token.type==__left_curve)
-	{
-		get_token();
-		if(this_token.type!=__right_curve)
-			parse.push(this_token);
-		while(this_token.type!=__right_curve)
-		{
-			get_token();
-			if(this_token.type!=__id && this_token.type!=__dynamic_id)
-			{
-				++error;
-				std::cout<<">>[Parse-error] line "<<this_token.line<<": expect identifier when declaring a new function."<<std::endl;
-				return new_node;
-			}
-			temp.set_clear();
-			temp.set_line(this_token.line);
-			temp.set_type(this_token.type);
-			if(this_token.type==__dynamic_id)
-			{
-				std::string tempstr="";
-				for(int i=0;i<this_token.str.length()-3;++i)
-					tempstr+=this_token.str[i];
-				temp.set_name(tempstr);
-			}
-			else
-				temp.set_name(this_token.str);
-			para.add_child(temp);
-			if(this_token.type==__dynamic_id)
-			{
-				get_token();
-				if(this_token.type!=__right_curve)
-				{
-					++error;
-					std::cout<<">>[Parse-error] line "<<this_token.line<<": dynamic identifier should have \')\' behind it ."<<std::endl;
-					return new_node;
-				}
-			}
-			else
-			{
-				get_token();
-				if(this_token.type!=__comma && this_token.type!=__right_curve)
-				{
-					++error;
-					std::cout<<">>[Parse-error] line "<<this_token.line<<": expect \',\' or \')\' here."<<std::endl;	
-					return new_node;
-				}
-			}
-		}
-	}
-	else
-		parse.push(this_token);
-	new_node.add_child(para);
-	new_node.add_child(block());
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::call_identifier()
-{
-	abstract_syntax_tree new_node;
-	abstract_syntax_tree temp;
-	get_token();
-	if(this_token.type!=__id)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": must have an identifier here."<<std::endl;
-		return new_node;
-	}
-	new_node.set_line(this_token.line);
-	new_node.set_type(__id);
-	new_node.set_name(this_token.str);
-	while(1)
-	{
-		get_token();
-		if(this_token.type==__left_curve)
-		{
-			temp.set_clear();
-			temp.set_line(this_token.line);
-			temp.set_type(__call_function);
-			get_token();
-			if(this_token.type!=__right_curve)
-				parse.push(this_token);
-			while(this_token.type!=__right_curve)
-			{
-				temp.add_child(scalar());
-				get_token();
-				if(this_token.type!=__comma && this_token.type!=__right_curve)
-				{
-					++error;
-					std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \',\' or \')\' here."<<std::endl;
-					return new_node;
-				}
-			}
-			new_node.add_child(temp);
-		}
-		else if(this_token.type==__left_bracket)
-		{
-			temp.set_clear();
-			temp.set_line(this_token.line);
-			temp.set_type(__call_array);
-			temp.add_child(scalar());
-			get_token();
-			if(this_token.type!=__right_bracket)
-			{
-				++error;
-				std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \']\' ."<<std::endl;
-				return new_node;
-			}
-			new_node.add_child(temp);
-		}
-		else if(this_token.type==__dot)
-		{
-			get_token();
-			if(this_token.type!=__id)
-			{
-				++error;
-				std::cout<<">>[Parse-error] line "<<this_token.line<<": expect an identifier when calling hash."<<std::endl;
-				return new_node;
-			}
-			temp.set_clear();
-			temp.set_line(this_token.line);
-			temp.set_type(__call_hash);
-			temp.set_name(this_token.str);
-			new_node.add_child(temp);
-		}
-		else
-		{
-			parse.push(this_token);
-			break;
-		}
-	}
-	get_token();
-	if(this_token.type==__equal || this_token.type==__add_equal
-	|| this_token.type==__sub_equal || this_token.type==__mul_equal
-	|| this_token.type==__div_equal || this_token.type==__link_equal)
-	{
-		parse.push(this_token);
-		temp=new_node;
-		new_node=assignment();
-		new_node.set_line(this_token.line);
-		new_node.get_children().push_front(temp);
-	}
-	else
-		parse.push(this_token);
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::calculation()
-{
-	abstract_syntax_tree new_node;
-	new_node=calculation_or();
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::calculation_or()
-{
-	abstract_syntax_tree new_node;
-	abstract_syntax_tree temp;
-	new_node=calculation_and();
-	get_token();
-	if(this_token.type!=__or_operator)
-	{
-		parse.push(this_token);
-		return new_node;
-	}
-	temp.set_line(this_token.line);
-	temp.set_type(__or_operator);
-	temp.add_child(new_node);
-	while(1)
-	{
-		temp.add_child(calculation_and());
-		new_node=temp;
-		temp.set_clear();
-		get_token();
-		if(this_token.type!=__or_operator)
-		{
-			parse.push(this_token);
-			break;
-		}
-		temp.set_line(this_token.line);
-		temp.set_type(__or_operator);
-		temp.add_child(new_node);
-	}
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::calculation_and()
-{
-	abstract_syntax_tree new_node;
-	abstract_syntax_tree temp;
-	new_node=calculation_cmp();
-	get_token();
-	if(this_token.type!=__and_operator)
-	{
-		parse.push(this_token);
-		return new_node;
-	}
-	temp.set_line(this_token.line);
-	temp.set_type(__and_operator);
-	temp.add_child(new_node);
-	while(1)
-	{
-		temp.add_child(calculation_cmp());
-		new_node=temp;
-		temp.set_clear();
-		get_token();
-		if(this_token.type!=__and_operator)
-		{
-			parse.push(this_token);
-			break;
-		}
-		temp.set_line(this_token.line);
-		temp.set_type(__and_operator);
-		temp.add_child(new_node);
-	}
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::calculation_cmp()
-{
-	abstract_syntax_tree new_node;
-	abstract_syntax_tree temp;
-	new_node=calculation_additive();
-	get_token();
-	if(this_token.type!=__cmp_equal && this_token.type!=__cmp_not_equal
-		&& this_token.type!=__cmp_less && this_token.type!=__cmp_less_or_equal
-		&& this_token.type!=__cmp_more && this_token.type!=__cmp_more_or_equal)
-	{
-		parse.push(this_token);
-		return new_node;
-	}
-	temp.set_line(this_token.line);
-	temp.set_type(this_token.type);
-	temp.add_child(new_node);
-	while(1)
-	{
-		temp.add_child(calculation_additive());
-		new_node=temp;
-		temp.set_clear();
-		get_token();
-		if(this_token.type!=__cmp_equal && this_token.type!=__cmp_not_equal
-		&& this_token.type!=__cmp_less && this_token.type!=__cmp_less_or_equal
-		&& this_token.type!=__cmp_more && this_token.type!=__cmp_more_or_equal)
-		{
-			parse.push(this_token);
-			break;
-		}
-		temp.set_line(this_token.line);
-		temp.set_type(this_token.type);
-		temp.add_child(new_node);
-	}
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::calculation_additive()
-{
-	abstract_syntax_tree new_node;
-	abstract_syntax_tree temp;
-	new_node=calculation_multive();
-	get_token();
-	if(this_token.type!=__add_operator && this_token.type!=__sub_operator && this_token.type!=__link_operator)
-	{
-		parse.push(this_token);
-		return new_node;
-	}
-	temp.set_line(this_token.line);
-	temp.set_type(this_token.type);
-	temp.add_child(new_node);
-	while(1)
-	{
-		temp.add_child(calculation_multive());
-		new_node=temp;
-		temp.set_clear();
-		get_token();
-		if(this_token.type!=__add_operator && this_token.type!=__sub_operator && this_token.type!=__link_operator)
-		{
-			parse.push(this_token);
-			break;
-		}
-		temp.set_line(this_token.line);
-		temp.set_type(this_token.type);
-		temp.add_child(new_node);
-	}
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::calculation_multive()
-{
-	abstract_syntax_tree new_node;
-	abstract_syntax_tree temp;
-	get_token();
-	new_node.set_line(this_token.line);
-	switch(this_token.type)
-	{
-		case __left_curve:
-			new_node=scalar();get_token();
-			if(this_token.type!=__right_curve)
-			{
-				++error;
-				std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \')\' here."<<std::endl;
-				return new_node;
-			}
-			break;
-		case __number:parse.push(this_token);new_node=check_number();break;
-		case __string:parse.push(this_token);new_node=check_string();break;
-		case __id:parse.push(this_token);new_node=call_identifier();break;
-		case __nor_operator:
-		case __sub_operator:parse.push(this_token);new_node=check_unary();break;
-		default:
-			++error;
-			std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a scalar here."<<std::endl;
-			return new_node;
-			break;
-	}
-	
-	get_token();
-	if(this_token.type!=__mul_operator && this_token.type!=__div_operator)
-	{
-		parse.push(this_token);
-		return new_node;
-	}
-	temp.set_line(this_token.line);
-	temp.set_type(this_token.type);
-	temp.add_child(new_node);
-	while(1)
-	{
-		get_token();
-		switch(this_token.type)
-		{
-			case __left_curve:
-				temp.add_child(scalar());get_token();
-				if(this_token.type!=__right_curve)
-				{
-					++error;
-					std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \')\' here."<<std::endl;
-					return new_node;
-				}
-				break;
-			case __number:parse.push(this_token);temp.add_child(check_number());break;
-			case __string:parse.push(this_token);temp.add_child(check_string());break;
-			case __id:parse.push(this_token);temp.add_child(call_identifier());break;
-			case __nor_operator:
-			case __sub_operator:parse.push(this_token);temp.add_child(check_unary());break;
-			default:
-				++error;
-				std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a scalar here."<<std::endl;
-				return new_node;
-				break;
-		}
-		new_node=temp;
-		temp.set_clear();
-		get_token();
-		if(this_token.type!=__mul_operator && this_token.type!=__div_operator)
-		{
-			parse.push(this_token);
-			break;
-		}
-		temp.set_line(this_token.line);
-		temp.set_type(this_token.type);
-		temp.add_child(new_node);
-	}
-	return new_node;
-}
-
-abstract_syntax_tree balloon_parse::scalar()
-{
-	abstract_syntax_tree new_node;
-	get_token();
-	new_node.set_line(this_token.line);
-	switch(this_token.type)
-	{
-		case __func:parse.push(this_token);new_node=func_generate();break;
-		case __left_bracket:parse.push(this_token);new_node=array_generate();break;
-		case __left_brace:parse.push(this_token);new_node=hash_generate();break;
-		case __left_curve:
-		case __nor_operator:
-		case __sub_operator:
-		case __number:
-		case __string:
-		case __id:parse.push(this_token);new_node=calculation();break;
-		default:
-			++error;
-			std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a scalar at this place."<<std::endl;
-			parse.push(this_token);
-			break;
-	}
-	return new_node;
-}
-
-void balloon_parse::check_semi()
-{
-	get_token();
-	if(this_token.type!=__semi)
-	{
-		++error;
-		std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \';\' ."<<std::endl;
-	}
-	return;
-}
-
-void balloon_parse::parse_main()
-{
-	root.set_clear();
-	root.set_type(__root);
-	root.set_line(1);
-	error=0;
-	warning=0;
-	
-	while(!parse.empty())
-	{
-		get_token();
-		switch(this_token.type)
-		{
-			case __var:parse.push(this_token);root.add_child(definition());check_semi();break;
-			case __left_curve:
-			case __left_bracket:
-			case __left_brace:
-			case __nor_operator:
-			case __sub_operator:
-			case __number:
-			case __string:
-			case __id:parse.push(this_token);root.add_child(scalar());check_semi();break;
-			case __if:parse.push(this_token);root.add_child(choose());break;
-			case __for:
-			case __forindex:
-			case __foreach:
-			case __while:parse.push(this_token);root.add_child(loop());break;
-			case __semi:break;
-			case 0:break;// avoid some cases in which the parse has been empty but because of push() the zero token is pushed in.
-			default:
-				++error;
-				std::cout<<">>[Parse-error] line "<<this_token.line<<": \'";
-				print_detail_token(this_token.type);
-				std::cout<<"\' should not appear in this scope."<<std::endl;
-				break;
-		}
-	}
-	std::cout<<">>[Parse] complete generating."<<error<<" error(s),"<<warning<<" warning(s)."<<std::endl;
-	return;
-}
-#endif