added more helper functions. still have to update print symbol table function

src/symbol_table.c

@@ -472,17 +472,38 @@ TableNode *CreateEntry(SymbolTable *table, TableNode *typeOf, char *id,
 char *getType(TableNode *tn) {
 	if(tn == NULL){
 		printf("passed a NULL table entry to getType\n");
-		return tn;
+		return "";
 	}
 	if(tn->theType == NULL){
 		printf("type of entry is currently NULL, undefined type \n");
-		return tn;
+		return "";
 	}
 	 return tn->theType->theName; }
 char *getName(TableNode *tn) { return tn->theName; }
 int getLine(SymbolTable *st) { return st->Line_Number; }
 int getColumn(SymbolTable *st) { return st->Column_Number; }
+TableNode* addName(TableNode *tn, char* str){
+       if(tn == NULL){
+               printf("passed a Null table node to the addName function. Invalid./n");
+               return tn;
+               }
+}
 
+SymbolTable* setLineNumber(SymbolTable *st,int line){
+       if(st == NULL){
+               printf("passed a Null Symbol Table to the setLineNumber function. Invalid./n");
+               return st;
+               }
+       st->Line_Number = line;
+       }
+
+SymbolTable* setColumnNumber(SymbolTable *st,int column){
+        if(st == NULL){
+               printf("passed a Null Symbol Table to the setColumnNumber function. Invalid./n");
+                return st;
+                }
+        st->Line_Number = column;
+        }
 /*
 //we use false for type defs and true for functions for parameter of typeOf
 TableNode* Define(SymbolTable* table, bool typeOf, char* id) {