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complete all types of var

process_stack.h

@@ -0,0 +1,72 @@
+#ifndef __PROCESS_STACK_H__
+#define __PROCESS_STACK_H__
+
+#include <iostream>
+#include <cstring>
+#include "nasal.h"
+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 type;   //var class function
+	process_stack_unit *next;
+	process_stack_unit *last;
+};
+
+class process_stack
+{
+	private:
+		process_stack_unit *head;
+		process_stack_unit *ptr;
+	public:
+		process_stack()
+		{
+			head->line=0;
+			head->content="# Nasal language for FlightGear.";
+			head->last=NULL;
+			head->next=NULL;
+			ptr=NULL;
+		}
+		~process_stack()
+		{
+			process_stack_unit *temp=head;
+			while(temp->next)
+			{
+				temp=temp->next;
+				delete head;
+				head=temp;
+			}
+			delete head;
+		}
+		void stack_append(process_stack_unit &p)
+		{
+			process_stack_unit *temp=head;
+			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->last=last_node;
+			temp->next=NULL;
+			temp->content=p.content;
+			temp->line=p.last;
+			temp->type=p.type;
+			return;
+		}
+};
+
+
+
+
+}
+
+#endif