add something new in class var

process_stack.h

@@ -11,8 +11,10 @@ namespace nasal
 struct process_stack_unit
 {
 	int line;           //place the unit first appear
-	std::string content;//content of the unit or name of the var/class/function
+	std::string Name;//content of the unit or name of the var/class/function
 	std::string type;   //var class function
+	var unitdata;
+	bool global;
 	process_stack_unit *next;
 	process_stack_unit *last;
 };
@@ -25,8 +27,15 @@ class process_stack
 	public:
 		process_stack()
 		{
+			head=new process_stack_unit;
 			head->line=0;
-			head->content="# Nasal language for FlightGear.";
+			head->Name="InterpreterInfo";
+			head->global=false;
+			head->type="information";
+			head->unitdata.Type="string";
+			head->unitdata.data=new std::string;
+			*((std::string *)head->unitdata.data)="# Nasal language for FlightGear.";
+			
 			head->last=NULL;
 			head->next=NULL;
 			ptr=NULL;
@@ -48,18 +57,67 @@ class process_stack
 			process_stack_unit *last_node;
 			while(temp->next)
 			{
-				if(!temp->next->next)
-					last_node=temp;
 				temp=temp->next;
 			}
-			if(temp==head)
-				last_node=head;
-			temp=new process_stack_unit;
+			temp->next=new process_stack_unit;
+			
+			last_node=temp;
+			temp=temp->next;
+			
 			temp->last=last_node;
+			last_node->next=temp;
 			temp->next=NULL;
-			temp->content=p.content;
-			temp->line=p.last;
+			
+			temp->Name=p.Name;
+			temp->line=p.line;
 			temp->type=p.type;
+			temp->global=p.global;
+			temp->unitdata=p.unitdata;
+			
+			return;
+		}
+		void stack_print(bool reverse_mode_used)
+		{
+			process_stack_unit *temp=head;
+			std::cout<<"In stack: "<<std::endl;
+			std::cout<<temp->line<<": |"<<temp->type<<"| \""<<temp->Name<<"\""<<std::endl;
+			while(temp->next)
+			{
+				temp=temp->next;
+				std::cout<<temp->line<<": |"<<temp->type<<"| \""<<temp->Name<<"\""<<std::endl;
+			}
+			if(reverse_mode_used)
+				while(temp->last)
+				{
+					std::cout<<temp->line<<": |"<<temp->type<<"| \""<<temp->Name<<"\""<<std::endl;
+					temp=temp->last;
+				}
+			std::cout<<"End."<<std::endl;
+			return;
+		}
+		bool check_stack(std::string &ElementName)
+		{
+			process_stack_unit *temp=head;
+			while(temp->next)
+			{
+				temp=temp->next;
+				if(temp->Name==ElementName)
+					return true;
+			}
+			return false;
+		}
+		void stack_content_print(std::string &ElementName)
+		{
+			process_stack_unit *temp=head;
+			while(temp->next)
+			{
+				temp=temp->next;
+				if(temp->Name==ElementName)
+				{
+					temp->unitdata.Print();
+					return;
+				}
+			}
 			return;
 		}
 };