From a04d318e45ff1e8d1ab322a8e10674dca4163ca1 Mon Sep 17 00:00:00 2001
From: Jacob Signorovitch <jacob.signorovitch@gmail.com>
Date: Mon, 14 Apr 2025 08:58:41 -0400
Subject: [PATCH] Started implementing the linked env scope.

---
 src/ast.c         | 13 +++++++++++++
 src/include/ast.h |  4 ++++
 test/Unity        |  2 +-
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/ast.c b/src/ast.c
index c115f08..8c60e6a 100644
--- a/src/ast.c
+++ b/src/ast.c
@@ -2,6 +2,7 @@
 
 #include "include/ast.h"
 #include "include/dstr.h"
+#include "include/htab.h"
 #include "include/util.h"
 
 extern AST* root;
@@ -22,6 +23,17 @@ AST* ast_init(ASTType type, void* data) {
 
     ast->type = type;
     ast->data = data;
+    ast->scope = NULL;
+
+    return ast;
+}
+
+AST* ast_init_scope(ASTType type, void* data, HTab* scope) {
+    AST* ast = malloc(sizeof(AST));
+
+    ast->type = type;
+    ast->data = data;
+    ast->scope = scope;
 
     return ast;
 }
@@ -42,6 +54,7 @@ void ast_destroy(AST* ast) {
     }
 
     free(ast);
+    htab_destroy(ast->scope);
 }
 
 void ast_print(AST* ast) { ast_print_i(ast, 0); }
diff --git a/src/include/ast.h b/src/include/ast.h
index 00d3051..00da251 100644
--- a/src/include/ast.h
+++ b/src/include/ast.h
@@ -1,6 +1,7 @@
 #ifndef AST_H
 #define AST_H
 
+#include "htab.h"
 #include <stdlib.h>
 
 // The type of an `AST`.
@@ -31,10 +32,13 @@ typedef enum {
 typedef struct {
     ASTType type; // The type of the `AST`.
     void* data;   // The data of the `AST`.
+    HTab* scope;  // The scope of the `AST`.
 } AST;
 
 // Create a new `AST`.
 AST* ast_init(ASTType type, void* data);
+// Create a new `AST` with a specified scope.
+AST* ast_init_scope(ASTType type, void* data, HTab* scope);
 // Destroy an `AST`, recursively.
 void ast_destroy(AST* ast);
 // Print an `AST`, recursively.
diff --git a/test/Unity b/test/Unity
index 73237c5..cdf1d02 160000
--- a/test/Unity
+++ b/test/Unity
@@ -1 +1 @@
-Subproject commit 73237c5d224169c7b4d2ec8321f9ac92e8071708
+Subproject commit cdf1d0297effc2736ee847e557b4275b4f02310b