update

version0.2/nasal.h

@@ -25,6 +25,8 @@ namespace nasal
 //#include "nasal_func_stack.h"
 #include "nasal_functional.cpp"
 
+#include "nasal_lexer.h"
+
 }
 
 #endif

version0.2/nasal_functional.cpp

@@ -108,5 +108,360 @@ func& func::operator=(const func& temp)
 	}
 	return *this;
 }
+void func::append_var(var& p)
+{
+	parameter *parameter_temp=parameter_head;
+	while(parameter_temp->next)
+		parameter_temp=parameter_temp->next;
+	parameter_temp->next=new parameter;
+	parameter_temp=parameter_temp->next;
+	parameter_temp->param_var=p;
+	parameter_temp->next=NULL;
+	return;
+}
+void func::append_token(const int _line,const int _type,std::string &_content)
+{
+	token_unit *statement_temp=statement_head;
+	while(statement_temp->next)
+		statement_temp=statement_temp->next;
+	statement_temp->next=new token_unit;
+	statement_temp=statement_temp->next;
+	statement_temp->line=_line;
+	statement_temp->type=_type;
+	statement_temp->content=_content;
+	statement_temp->next=NULL;
+	return;
+}
+
+token_list::token_list()
+{
+	head=new token_unit;
+	head->type=FUNC_BEGIN;
+	head->content="__process_begin";
+	head->line=0;
+	head->next=NULL;
+}
+token_list::~token_list()
+{
+	token_unit *temp=head;
+	token_unit *this_node=NULL;
+	while(temp->next)
+	{
+		this_node=temp;
+		temp=temp->next;
+		delete this_node;
+	}
+	delete temp;
+}
+void token_list::print_line_token(const int _line)
+{
+	std::cout<<"line "<<_line<<": ";
+	token_unit *temp=head;
+	while(temp->next)
+	{
+		temp=temp->next;
+		if(temp->line==_line)
+			std::cout<<temp->content<<" ";
+		else if(temp->line>_line)
+			break;
+	}
+	std::cout<<std::endl;
+	return;
+}
+void token_list::delete_all()
+{
+	if(!head->next)
+		return;
+	token_unit *temp=head;
+	token_unit *this_node=NULL;
+	temp=temp->next;
+	head->next=NULL;
+	while(temp->next)
+	{
+		this_node=temp;
+		temp=temp->next;
+		delete this_node;
+	}
+	delete temp;
+	return;
+}
+void token_list::append(const int _line,const int _type,std::string &_content)
+{
+	token_unit *temp=head;
+	while(temp->next)
+		temp=temp->next;
+	temp->next=new token_unit;
+	temp=temp->next;
+	temp->next=NULL;
+	temp->type=_type;
+	temp->line=_line;
+	temp->content=_content;
+	return;
+}
+void token_list::print()
+{
+	token_unit *temp=head;
+	std::cout<<"line "<<temp->line<<": "<<"( ProcessBegin | "<<temp->content<<" )"<<std::endl;
+	if(!head->next)
+		return;
+	while(temp->next)
+	{
+		temp=temp->next;
+		std::cout<<"line "<<temp->line<<": ";
+		if(temp->type==FUNC_OPERATOR)
+			std::cout<<"( Operator     | ";
+		else if(temp->type==FUNC_IDENTIFIER)
+			std::cout<<"( Identifier   | ";
+		else if(temp->type==FUNC_NUMBER)
+			std::cout<<"( Number       | ";
+		else if(temp->type==FUNC_RESERVEWORD)
+			std::cout<<"( ReserveWord  | ";
+		else if(temp->type==FUNC_STRING)
+			std::cout<<"( String       | ";
+		std::cout<<temp->content<<" )"<<std::endl;
+	}
+	return;
+}
+/*
+void token_list::run()
+{
+	nasal_var_stack.delete_all();
+	nasal_func_stack.delete_all();
+	token_unit *temp=head;
+	if(!head->next)
+	{
+		std::cout<<">> Running complete."<<std::endl;
+		return;
+	}
+	
+	while(temp->next)
+	{
+		temp=temp->next;
+		if(temp->type=="Operator")
+		{
+			;
+		}
+		else if(temp->type=="Identifier")
+		{
+			;
+		}
+		else if(temp->type=="Number")
+		{
+			print_line_token(temp->line);
+			std::cout<<"line "<<temp->line<<": "<<"[Error] Number without any tokens."<<std::endl;
+			return;
+		}
+		else if(temp->type=="ReserveWord")
+		{
+			if(temp->content=="var")
+			{
+				if(temp->next)
+					temp=temp->next;
+				else
+				{
+					print_line_token(temp->line);
+					std::cout<<"line "<<temp->line<<": "<<"[Error] Missing elements after \"var\"."<<std::endl;
+					return;
+				}
+				//end identifier
+				std::string name_of_var;
+				if(temp->type=="Identifier")
+					name_of_var=temp->content;
+				else
+				{
+					print_line_token(temp->line);
+					std::cout<<"line "<<temp->line<<": "<<"[Error] Missing identifier after \"var\"."<<std::endl;
+					return;
+				}
+				if(temp->next)
+					temp=temp->next;
+				else
+				{
+					print_line_token(temp->line);
+					std::cout<<"line "<<temp->line<<": "<<"[Error] Missing operator \"=\" after identifier."<<std::endl;
+					return;
+				}
+				if(temp->content!="=")
+				{
+					print_line_token(temp->line);
+					std::cout<<"line "<<temp->line<<": "<<"[Error] Missing operator \"=\" after identifier."<<std::endl;
+					return;
+				}
+				if(temp->next)
+					temp=temp->next;
+				else
+				{
+					print_line_token(temp->line);
+					std::cout<<"line "<<temp->line<<": "<<"[Error] Missing value after operator \"=\" ."<<std::endl;
+					return;
+				}
+				if(temp->type=="Number")
+				{
+					temp_var.isGlobal=true;
+					if(isFloat(temp->content))
+					{
+						temp_var.Type="double";
+						temp_var.data=new double;
+						*((double *)temp_var.data)=double_Str2Num(temp->content);
+						nasal_var_stack.append_var(name_of_var,temp_var);
+						delete (double *)temp_var.data;
+						temp_var.data=NULL;
+					}
+					else
+					{
+						temp_var.Type="long long int";
+						temp_var.data=new long long int;
+						*((long long int *)temp_var.data)=int_Str2Num(temp->content);
+						nasal_var_stack.append_var(name_of_var,temp_var);
+						delete (long long int *)temp_var.data;
+						temp_var.data=NULL;
+					}
+				}
+				else if(temp->type=="String")
+				{
+					temp_var.isGlobal=true;
+					temp_var.Type="string";
+					temp_var.data=new std::string;
+					std::string temp_string="";
+					for(int i=1;i<(int)temp->content.length()-1;++i)
+						temp_string+=temp->content[i];
+					*((std::string *)temp_var.data)=temp_string;
+					nasal_var_stack.append_var(name_of_var,temp_var);
+					delete (std::string *)temp_var.data;
+					temp_var.data=NULL;
+				}
+				else if(temp->type=="Operator" && temp->content=="{")
+				{
+					bool make_pair=false;
+					int cnt=1;
+					while(temp->next)
+					{
+						temp=temp->next;
+						if(temp->type=="Operator" && temp->content=="}")
+						{
+							--cnt;
+							if(!cnt)
+							{
+								make_pair=true;
+								break;
+							}
+						}
+						else if(temp->type=="Operator" && temp->content=="{")
+							++cnt;
+					}
+					if(!make_pair)
+					{
+						print_line_token(temp->line);
+						std::cout<<"line "<<temp->line<<": "<<"[Error] Expect a \"}\"."<<std::endl;
+						return;
+					}
+				}
+				else if(temp->type=="Operator" && temp->content=="[")
+				{
+					bool make_pair=false;
+					int cnt=1;
+					while(temp->next)
+					{
+						temp=temp->next;
+						if(temp->type=="Operator" && temp->content=="]")
+						{
+							--cnt;
+							if(!cnt)
+							{
+								make_pair=true;
+								break;
+							}
+						}
+						else if(temp->type=="Operator" && temp->content=="[")
+							++cnt;
+					}
+					if(!make_pair)
+					{
+						print_line_token(temp->line);
+						std::cout<<"line "<<temp->line<<": "<<"[Error] Expect a \"]\"."<<std::endl;
+						return;
+					}
+				}
+				else
+				{
+					print_line_token(temp->line);
+					std::cout<<"line "<<temp->line<<": "<<"[Error] Missing value after operator \"=\" ."<<std::endl;
+					return;
+				}
+						
+				if(!(temp->next && temp->next->content==";"))
+				{
+					print_line_token(temp->line);
+					std::cout<<"line "<<temp->line<<": "<<"[Error] Expect a \";\" at the end of the statement."<<std::endl;
+					nasal_var_stack.pop_var();
+					return; 
+				} 
+				else
+					temp=temp->next;
+			//end var
+			}
+			else if(temp->content=="print")
+			{
+				if(temp->next && temp->next->content=="(")
+				{
+					temp=temp->next;
+					while(temp->next)
+					{
+						temp=temp->next;
+						if(temp->type=="String")
+						{
+							std::string temp_string="";
+							for(int i=1;i<(int)temp->content.length()-1;++i)
+								temp_string+=temp->content[i];
+							PrintString(temp_string);
+						}
+						else if(temp->type=="Identifier")
+							PrintVar(nasal_var_stack.SearchVar(temp->content));
+						else if(temp->type=="Operator" && temp->content==")")
+						{
+							if(!temp->next)
+							{
+								print_line_token(temp->line);
+								std::cout<<"line "<<temp->line<<": "<<"[Error] Expect a \";\" at the end of the statement."<<std::endl;
+								return;
+							}
+							break;
+						}
+						else if(temp->type=="Operator" && temp->content==";")
+						{
+							print_line_token(temp->line);
+							std::cout<<"line "<<temp->line<<": "<<"[Error] Expect a \")\" at the end of print."<<std::endl;
+							return;
+						}
+					}
+				}
+				else
+				{
+					print_line_token(temp->line);
+					std::cout<<"line "<<temp->line<<": "<<"[Error] Expect a \"(\" after function print."<<std::endl;
+					return;
+				}
+				if(!(temp->next && temp->next->content==";"))
+				{
+					print_line_token(temp->line);
+					std::cout<<"line "<<temp->line<<": "<<"[Error] Expect a \";\" at the end of the statement."<<std::endl;
+					return;
+				}
+			}
+		}
+		else if(temp->type=="String")
+		{
+			print_line_token(temp->line);
+			std::cout<<"line "<<temp->line<<": "<<"[Error] String without any tokens."<<std::endl;
+			return;
+		}
+	}
+	//nasal_var_stack.print_var(); //for debug mode
+	//nasal_func_stack.print_function(); //for debug mode
+	nasal_var_stack.delete_all();
+	nasal_func_stack.delete_all();
+	std::cout<<">> Running complete."<<std::endl;
+	return;
+}*/
 
 #endif

version0.2/nasal_functional.h

@@ -3,6 +3,7 @@
 
 #include "nasal_var.h"
 
+//for function
 #define FUNC_BEGIN       0
 #define FUNC_OPERATOR    1
 #define FUNC_IDENTIFIER  2
@@ -10,6 +11,13 @@
 #define FUNC_RESERVEWORD 4
 #define FUNC_STRING      5
 
+//for token and lexer
+#define OPERATOR    1 //界符 or 运算符 
+#define IDENTIFIER  2 //自定义标识符 
+#define NUMBER      3 //数字 
+#define RESERVEWORD 4 //关键字 
+#define STRING      5 //字符串类型 
+
 struct token_unit
 {
 	int type;
@@ -34,6 +42,8 @@ class func
 		func(const func&);
 		~func();
 		func& operator=(const func&);
+		void append_var(var&);
+		void append_token(const int,const int,std::string &);
 };
 
 class token_list
@@ -41,336 +51,12 @@ class token_list
 	private:
 		token_unit *head;
 	public:
-		token_list()
-		{
-			head=new token_unit;
-			head->type=FUNC_BEGIN;
-			head->content="__process_begin";
-			head->line=0;
-			head->next=NULL;
-		}
-		~token_list()
-		{
-			token_unit *temp=head;
-			token_unit *this_node=NULL;
-			while(temp->next)
-			{
-				this_node=temp;
-				temp=temp->next;
-				delete this_node;
-			}
-			delete temp;
-		}
-		void print_line_token(const int _line)
-		{
-			std::cout<<"line "<<_line<<": ";
-			token_unit *temp=head;
-			while(temp->next)
-			{
-				temp=temp->next;
-				if(temp->line==_line)
-					std::cout<<temp->content<<" ";
-				else if(temp->line>_line)
-					break;
-			}
-			std::cout<<std::endl;
-			return;
-		}
-		void delete_all()
-		{
-			if(!head->next)
-				return;
-			token_unit *temp=head;
-			token_unit *this_node=NULL;
-			temp=temp->next;
-			head->next=NULL;
-			while(temp->next)
-			{
-				this_node=temp;
-				temp=temp->next;
-				delete this_node;
-			}
-			delete temp;
-			return;
-		}
-		void append(const int _type,std::string &_content,const int _line)
-		{
-			token_unit *temp=head;
-			while(temp->next)
-				temp=temp->next;
-			temp->next=new token_unit;
-			temp=temp->next;
-			temp->next=NULL;
-			temp->type=_type;
-			temp->line=_line;
-			temp->content=_content;
-			return;
-		}
-		void print()
-		{
-			token_unit *temp=head;
-			std::cout<<"line "<<temp->line<<": "<<"( ProcessBegin | "<<temp->content<<" )"<<std::endl;
-			if(!head->next)
-				return;
-			while(temp->next)
-			{
-				temp=temp->next;
-				std::cout<<"line "<<temp->line<<": ";
-				if(temp->type==FUNC_OPERATOR)
-					std::cout<<"( Operator     | ";
-				else if(temp->type==FUNC_IDENTIFIER)
-					std::cout<<"( Identifier   | ";
-				else if(temp->type==FUNC_NUMBER)
-					std::cout<<"( Number       | ";
-				else if(temp->type==FUNC_RESERVEWORD)
-					std::cout<<"( ReserveWord  | ";
-				else if(temp->type==FUNC_STRING)
-					std::cout<<"( String       | ";
-				std::cout<<temp->content<<" )"<<std::endl;
-			}
-			return;
-		}
-		/*
-		void run()
-		{
-			nasal_var_stack.delete_all();
-			nasal_func_stack.delete_all();
-			token_unit *temp=head;
-			if(!head->next)
-			{
-				std::cout<<">> Running complete."<<std::endl;
-				return;
-			}
-			
-			while(temp->next)
-			{
-				temp=temp->next;
-				if(temp->type=="Operator")
-				{
-					;
-				}
-				else if(temp->type=="Identifier")
-				{
-					;
-				}
-				else if(temp->type=="Number")
-				{
-					print_line_token(temp->line);
-					std::cout<<"line "<<temp->line<<": "<<"[Error] Number without any tokens."<<std::endl;
-					return;
-				}
-				else if(temp->type=="ReserveWord")
-				{
-					if(temp->content=="var")
-					{
-						if(temp->next)
-							temp=temp->next;
-						else
-						{
-							print_line_token(temp->line);
-							std::cout<<"line "<<temp->line<<": "<<"[Error] Missing elements after \"var\"."<<std::endl;
-							return;
-						}
-						//end identifier
-						std::string name_of_var;
-						if(temp->type=="Identifier")
-							name_of_var=temp->content;
-						else
-						{
-							print_line_token(temp->line);
-							std::cout<<"line "<<temp->line<<": "<<"[Error] Missing identifier after \"var\"."<<std::endl;
-							return;
-						}
-						if(temp->next)
-							temp=temp->next;
-						else
-						{
-							print_line_token(temp->line);
-							std::cout<<"line "<<temp->line<<": "<<"[Error] Missing operator \"=\" after identifier."<<std::endl;
-							return;
-						}
-						if(temp->content!="=")
-						{
-							print_line_token(temp->line);
-							std::cout<<"line "<<temp->line<<": "<<"[Error] Missing operator \"=\" after identifier."<<std::endl;
-							return;
-						}
-						if(temp->next)
-							temp=temp->next;
-						else
-						{
-							print_line_token(temp->line);
-							std::cout<<"line "<<temp->line<<": "<<"[Error] Missing value after operator \"=\" ."<<std::endl;
-							return;
-						}
-						if(temp->type=="Number")
-						{
-							temp_var.isGlobal=true;
-							if(isFloat(temp->content))
-							{
-								temp_var.Type="double";
-								temp_var.data=new double;
-								*((double *)temp_var.data)=double_Str2Num(temp->content);
-								nasal_var_stack.append_var(name_of_var,temp_var);
-								delete (double *)temp_var.data;
-								temp_var.data=NULL;
-							}
-							else
-							{
-								temp_var.Type="long long int";
-								temp_var.data=new long long int;
-								*((long long int *)temp_var.data)=int_Str2Num(temp->content);
-								nasal_var_stack.append_var(name_of_var,temp_var);
-								delete (long long int *)temp_var.data;
-								temp_var.data=NULL;
-							}
-						}
-						else if(temp->type=="String")
-						{
-							temp_var.isGlobal=true;
-							temp_var.Type="string";
-							temp_var.data=new std::string;
-							std::string temp_string="";
-							for(int i=1;i<(int)temp->content.length()-1;++i)
-								temp_string+=temp->content[i];
-							*((std::string *)temp_var.data)=temp_string;
-							nasal_var_stack.append_var(name_of_var,temp_var);
-							delete (std::string *)temp_var.data;
-							temp_var.data=NULL;
-						}
-						else if(temp->type=="Operator" && temp->content=="{")
-						{
-							bool make_pair=false;
-							int cnt=1;
-							while(temp->next)
-							{
-								temp=temp->next;
-								if(temp->type=="Operator" && temp->content=="}")
-								{
-									--cnt;
-									if(!cnt)
-									{
-										make_pair=true;
-										break;
-									}
-								}
-								else if(temp->type=="Operator" && temp->content=="{")
-									++cnt;
-							}
-							if(!make_pair)
-							{
-								print_line_token(temp->line);
-								std::cout<<"line "<<temp->line<<": "<<"[Error] Expect a \"}\"."<<std::endl;
-								return;
-							}
-						}
-						else if(temp->type=="Operator" && temp->content=="[")
-						{
-							bool make_pair=false;
-							int cnt=1;
-							while(temp->next)
-							{
-								temp=temp->next;
-								if(temp->type=="Operator" && temp->content=="]")
-								{
-									--cnt;
-									if(!cnt)
-									{
-										make_pair=true;
-										break;
-									}
-								}
-								else if(temp->type=="Operator" && temp->content=="[")
-									++cnt;
-							}
-							if(!make_pair)
-							{
-								print_line_token(temp->line);
-								std::cout<<"line "<<temp->line<<": "<<"[Error] Expect a \"]\"."<<std::endl;
-								return;
-							}
-						}
-						else
-						{
-							print_line_token(temp->line);
-							std::cout<<"line "<<temp->line<<": "<<"[Error] Missing value after operator \"=\" ."<<std::endl;
-							return;
-						}
-								
-						if(!(temp->next && temp->next->content==";"))
-						{
-							print_line_token(temp->line);
-							std::cout<<"line "<<temp->line<<": "<<"[Error] Expect a \";\" at the end of the statement."<<std::endl;
-							nasal_var_stack.pop_var();
-							return; 
-						} 
-						else
-							temp=temp->next;
-					//end var
-					}
-					else if(temp->content=="print")
-					{
-						if(temp->next && temp->next->content=="(")
-						{
-							temp=temp->next;
-							while(temp->next)
-							{
-								temp=temp->next;
-								if(temp->type=="String")
-								{
-									std::string temp_string="";
-									for(int i=1;i<(int)temp->content.length()-1;++i)
-										temp_string+=temp->content[i];
-									PrintString(temp_string);
-								}
-								else if(temp->type=="Identifier")
-									PrintVar(nasal_var_stack.SearchVar(temp->content));
-								else if(temp->type=="Operator" && temp->content==")")
-								{
-									if(!temp->next)
-									{
-										print_line_token(temp->line);
-										std::cout<<"line "<<temp->line<<": "<<"[Error] Expect a \";\" at the end of the statement."<<std::endl;
-										return;
-									}
-									break;
-								}
-								else if(temp->type=="Operator" && temp->content==";")
-								{
-									print_line_token(temp->line);
-									std::cout<<"line "<<temp->line<<": "<<"[Error] Expect a \")\" at the end of print."<<std::endl;
-									return;
-								}
-							}
-						}
-						else
-						{
-							print_line_token(temp->line);
-							std::cout<<"line "<<temp->line<<": "<<"[Error] Expect a \"(\" after function print."<<std::endl;
-							return;
-						}
-						if(!(temp->next && temp->next->content==";"))
-						{
-							print_line_token(temp->line);
-							std::cout<<"line "<<temp->line<<": "<<"[Error] Expect a \";\" at the end of the statement."<<std::endl;
-							return;
-						}
-					}
-				}
-				else if(temp->type=="String")
-				{
-					print_line_token(temp->line);
-					std::cout<<"line "<<temp->line<<": "<<"[Error] String without any tokens."<<std::endl;
-					return;
-				}
-			}
-			//nasal_var_stack.print_var(); //for debug mode
-			//nasal_func_stack.print_function(); //for debug mode
-			nasal_var_stack.delete_all();
-			nasal_func_stack.delete_all();
-			std::cout<<">> Running complete."<<std::endl;
-			return;
-		}*/
+		token_list();
+		~token_list();
+		void print_line_token(const int);
+		void delete_all();
+		void append(const int,const int,std::string&);
+		void print();
 };
 
 #endif

version0.2/nasal_interpreter.cpp

@@ -5,15 +5,6 @@
 
 int main()
 {
-	nasal::nasal_list m;
-	nasal::nasal_hash n;
-	nasal::var k;
-	k.type=VAR_STRING;
-	k.data=new std::string;
-	*((std::string *)k.data)="hello";
-	m.append(k);
-	m.pop();
-	
 	std::string command;
 	std::cout<<">> input \"help\" to find help."<<std::endl;
 	while(1)
@@ -22,22 +13,31 @@ int main()
 		std::cin>>command;
 		if(command=="help")
 		{
-			std::cout<<">> 1.input file name to run the nasal script."<<std::endl;
-			std::cout<<">> 2.command cls to clear the screen."<<std::endl;
-			std::cout<<">> 3.command exit to shut down the program."<<std::endl;
+			std::cout<<">> 1. input file name to run the nasal script."<<std::endl;
+			std::cout<<">> 2. command cls to clear the screen."<<std::endl;
+			std::cout<<">> 3. command exit to shut down the program."<<std::endl;
+			std::cout<<">> 4. command lexer to see tokens in stack."<<std::endl;
+			std::cout<<">> 5. command del to delete all elements in stack."<<std::endl;
+			std::cout<<">> 6. command run to run the programme in stack."<<std::endl;
 		}
 		else if(command=="cls")
 		{
 			system("cls");
 			//linux system("clear");
-			//macOS system(clear");
+			//macOS system("clear");
 		}
 		else if(command=="exit")
 			break;
-		else
+		else if(command=="lexer")
+			nasal::nasal_lexer.print();
+		else if(command=="del")
+			nasal::nasal_lexer.delete_all();
+		else if(command=="run")
 		{
 			;
 		}
+		else
+			nasal::RunProcess(command);
 	}
 	return 0;
 }

version0.2/nasal_lexer.h

@@ -7,18 +7,9 @@
 #include <cstring>
 #include "nasal_functional.h"
 
-
-namespace nasal
-{
-
-#define IDENTIFIER  -1 //自定义标识符 
-#define OPERATOR    -2 //界符 or 运算符 
-#define NUMBER      -3 //数字 
-#define RESERVEWORD -4 //关键字 
-#define STRING      -5 //字符串类型 
-#define FAIL        -6 //失败 
-#define SCANEND     -7 //扫描完成 
-#define ERRORFOUND  -8 //异常错误 
+#define FAIL        -1 //失败 
+#define SCANEND     -2 //扫描完成 
+#define ERRORFOUND  -3 //异常错误 
 
 std::string ReserveWord[26]=
 {
@@ -256,24 +247,12 @@ void RunProcess(std::string &FileName)
 	while(Syn!=SCANEND && Syn!=ERRORFOUND)
 	{
 		Scanner(Syn,ResourcePrograme,token,Ptr,line);
-		if(Syn==OPERATOR)
-			nasal_lexer.append("Operator",token,line);
-		else if(Syn==IDENTIFIER)
-			nasal_lexer.append("Identifier",token,line);
-		else if(Syn==NUMBER)
-			nasal_lexer.append("Number",token,line);
-		else if(Syn==RESERVEWORD)
-			nasal_lexer.append("ReserveWord",token,line);
-		else if(Syn==STRING)
-			nasal_lexer.append("String",token,line);
+		if(Syn>0)//all Syn type is larger than zero
+			nasal_lexer.append(line,Syn,token);
 	}
 	//nasal_lexer.print(); //for debug mode
 	std::cout<<">> Complete scanning \""<<FileName<<"\"."<<std::endl;
 	return;
 }
 
-
-
-
-}
 #endif