Started trying to improve AST

Include/Frontend/Parser/AST/Nodes/BurstASTNode.h

@@ -10,39 +10,37 @@
 #include <string.h>
 #include <stdbool.h>
 
-#include <assert.h>
-
 #include "BurstCommons.h"
 #include "BurstErrorCodes.h"
 #include "BurstErrorMessages.h"
 
-#define BURST_VARIABLE_DECLARATION_NODE  0x00
-#define BURST_VALUE_EXPRESSION_NODE      0x01
-#define BURST_LITERAL_EXPRESSION_NODE    0x02
-#define BURST_ARITHMETIC_EXPRESSION_NODE 0x03
-#define BURST_REFERENCE_EXPRESSION_NODE  0x04
-#define BURST_FUNCTION_DECLARATION_NODE  0x05
+#define BURST_AST_GENERIC_NODE            0x00
+#define BURST_AST_LITERAL_EXPRESSION_NODE 0x01
 
+// The 'BurstASTNode' struct is a generic AST node, designed to store
+//  information about other AST nodes.
+//
+// The information contained within this struct, will be the type of AST node
+//  being contained, as well as a pointer to said AST node.
+//
+// We take this approach, as it allows us to have one central node that we can
+//  use to reference other AST nodes with. The usefulness of this will
+//  [hopefully] become more apparent in the future.
 struct burstASTNode;
 typedef struct burstASTNode
 {
     int nodeType;
     void *pNode;
 } BurstASTNode;
 
-// These are placed below the definition of the 'BurstASTNode' type, because
-//  there's a chance that one of the following files might require the use of
-//  that type.
-#include "BurstVariableDeclarationNode.h"
-#include "BurstValueExpressionNode.h"
+// These includes are placed below the definition of the 'BurstASTNode' type, as
+//  there's a good chance that one of the following files might require the use
+//  of the aforementioned type.
 #include "BurstLiteralExpressionNode.h"
-#include "BurstArithmeticExpressionNode.h"
-#include "BurstReferenceExpressionNode.h"
-#include "BurstFunctionDeclarationNode.h"
 
 int ast_node_create
 (
-    int astNodeType,         // IN
+    int nodeType,            // IN
     void *pNode,             // IN
     BurstASTNode **ppASTNode // OUT
 );

Include/Frontend/Parser/AST/Nodes/BurstLiteralExpressionNode.h

@@ -10,8 +10,6 @@
 #include <string.h>
 #include <stdbool.h>
 
-#include <assert.h>
-
 #include "BurstCommons.h"
 #include "BurstErrorCodes.h"
 #include "BurstErrorMessages.h"
@@ -21,14 +19,9 @@
 struct burstLiteralExpressionNode;
 typedef struct burstLiteralExpressionNode
 {
-    // TODO: Value Type
-
+    // TODO (Giga): Figure out how to accurately represent different datatypes
+    //  within literal expressions.
     char *pValueString;
-
-    int (*destroy)
-    (
-        struct burstLiteralExpressionNode *pNode
-    );
 } BurstLiteralExpressionNode;
 
 int literal_expression_node_create