From 78f1cd3fbb6b16077de381e0a224bab56943c2f0 Mon Sep 17 00:00:00 2001
From: Partho Bhattacharya <moroseui@gmail.com>
Date: Fri, 14 Mar 2025 20:48:11 -0400
Subject: [PATCH] Got symbol Table largely working (but without certain entries
 being added like functions or records)

---
 src/grammar.y      | 10 +++++++---
 src/symbol_table.c |  6 ++----
 src/symbol_table.h | 10 ++++++++++
 3 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/src/grammar.y b/src/grammar.y
index a153f8e..c9136c4 100644
--- a/src/grammar.y
+++ b/src/grammar.y
@@ -19,6 +19,8 @@
   extern FILE * yyin;
   extern TableNode* funprime;
   extern TableNode* arrayprim;
+  extern TableNode* recprime;
+  extern TableNode* funtypeprime;
   extern TableNode* integ;
   extern TableNode* addr;
   extern TableNode* chara;
@@ -33,6 +35,9 @@
 }
 
 
+
+%type <words> expression
+%type <words> constant
 %type <words> id_or_types
 %type <words> types
 %token <words> ID       101
@@ -150,7 +155,7 @@ declaration_list:
         ;
 
 declaration:
-          id_or_types COLON ID {CreateEntry(cur,$<words>1,$<words>3); }
+          id_or_types COLON ID {CreateEntry(cur,$<words>1,$<words>3,NULL); }
         ;
 
 id_or_types:
@@ -188,8 +193,7 @@ rec_op :
 expression:
 
           constant {printf("constant expression\n");} {$$ = $<words>1;}
-        | SUB_OR_NEG expression {if(strcmp($2,integer) != 0) {printf("cant negate something not an integer at 
-	line %d and column %d\n",@2.first_line,@2.first_column);}} %prec UMINUS {printf("negative expression\n");}
+        | SUB_OR_NEG expression {if(strcmp($2,"integer") != 0) {printf("cant negate something not an integer at line %d and column %d\n",@2.first_line,@2.first_column);}} %prec UMINUS {printf("negative expression\n");}
 
         | NOT expression {printf("not expression\n");}
         | expression ADD expression {printf("add expression\n");}
diff --git a/src/symbol_table.c b/src/symbol_table.c
index 8388578..6f26b89 100644
--- a/src/symbol_table.c
+++ b/src/symbol_table.c
@@ -17,8 +17,6 @@ TableNode* chara;
 TableNode* stri;
 TableNode* boo;
 TableNode* recprime;
-TableNode* funprime;
-TableNode* arrayprime;
 TableNode* funtypeprime;
 
 
@@ -234,7 +232,7 @@ SymbolTable* CreateScope(SymbolTable* ParentScope, int Line, int Column) {
 
 //create entry just for things below top level scope
 SymbolTable* init(SymbolTable* start){
-	if(start->Parent_Scope == NULL){
+	if(start->Parent_Scope != NULL){
 		printf("Cannot initialize a scope that is not the parent scope\n");
 		return NULL;
 	}
@@ -280,7 +278,7 @@ SymbolTable* init(SymbolTable* start){
         funprime->theName= "primitive function";
         funprime->theType=NULL;
         funprime->additionalinfo = NULL;
-        funpprime->next = NULL;
+        funprime->next = NULL;
 
 	//record
         recprime = (TableNode*)malloc(sizeof(TableNode));
diff --git a/src/symbol_table.h b/src/symbol_table.h
index 7639e14..7763305 100644
--- a/src/symbol_table.h
+++ b/src/symbol_table.h
@@ -86,6 +86,16 @@ ListOfTable* getRestOfChildren(ListOfTable* lt);
 TableNode* getFirstEntry(SymbolTable* st);
 TableNode* getNextEntry(TableNode* tn);
 SymbolTable* init(SymbolTable* scope);
+int getPrimSize(TableNode* definition);
+int getNumArrDim(TableNode* definition);
+TableNode* getArrType(TableNode* definition);
+int getRecLength(TableNode* definition);
+TableNode* getRecList(TableNode* definition);
+int getStartLine(TableNode* definition);
+bool getAsKeyword(TableNode* definition);
+TableNode* getParameter(TableNode* definition);
+TableNode* getReturn(TableNode* definition);
+
 char* getType(TableNode* tn);
 char* getName(TableNode* tn);
 int getLine(SymbolTable* st);