fixed most symbol table structure issues. Working on print symbol table

Makefile

@@ -55,4 +55,4 @@ clean:
 	rm -f *.st
 	rm -rf out
 	rm -rf tmp
-	rm -f parser
+	rm -f parser

src/symbol_table.c

@@ -479,7 +479,17 @@ char *getType(TableNode *tn) {
 		return "";
 	}
 	 return tn->theType->theName; }
-char *getName(TableNode *tn) { return tn->theName; }
+char *getName(TableNode *tn) {
+        if(tn == NULL){
+                printf("passed a NULL table entry to getName\n");
+                return "";
+        }
+        if(tn->theType == NULL){
+                printf("name of entry is currently NULL, undefined \n");
+                return "";
+        }
+ 	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){
@@ -563,7 +573,6 @@ TableNode *look_up(SymbolTable *table, char *x) {
 
 void print_symbol_table(SymbolTable *table, FILE *file_ptr) {
 	
-	return;
         if (table->Parent_Scope == NULL) {
                 fprintf(file_ptr, "%-17s: %-6s : %-6s : %-21s: %-28s\n", "NAME",
                         "SCOPE", "PARENT", "TYPE", "Extra annotation");
@@ -586,17 +595,16 @@ void print_symbol_table(SymbolTable *table, FILE *file_ptr) {
                 fprintf(file_ptr, "%-17s: %06d : %06d : %-21s: %-28s\n", "",
                         current_scope, parant_scope, "", "Empty Scope");
         }
-        for (entrie != NULL; entrie = entrie->next;) {
+        for (;entrie != NULL; entrie = entrie->next) {
+		if (getAdInfoType(entrie) == TYPE_ARRAY){
                 if (parant_scope == 0) {
-                        /*have to update*/ if (strcmp(entrie->theType->theName,
-                                                      "function primitive") ||
-                                               strcmp(entrie->theType->theName,
-                                                      "array")) {
-                        }
+       
                         fprintf(file_ptr,
-                                "%-17s: %06d :        : %-21s: %-28s\n",
+                                "%-17s: %06d :        : %-21d -> %-21s: %-28s\n",
                                 entrie->theName, current_scope,
-                                entrie->theType->theName, "Extra annotation");
+                                entrie->additionalinfo->ArrayAdInfo->numofdimensions, 
+				entrie->additionalinfo->ArrayAdInfo->typeofarray->theName,
+				 "Type of Array");
                 } else {
                         fprintf(file_ptr, "%-17s: %06d : %06d : %-21s: %-28s\n",
                                 entrie->theName, current_scope, parant_scope,
@@ -617,6 +625,10 @@ void print_symbol_table(SymbolTable *table, FILE *file_ptr) {
 }
 //get top most symbol table
 SymbolTable *getAncestor(SymbolTable *table) {
+	if(table == NULL){
+		printf("passing a NULL reference to getAncestor. Invalid.\n");
+		return NULL;
+	}
         if (table->Parent_Scope == NULL) {
                 // if table has no parent, return itself
                 return table;