feat: while and for loops support for parser, plus new ASTs, new tokens and fixes inside parser

src/utils/ast/ast_loop.h

@@ -0,0 +1,34 @@
+#ifndef AST_LOOP_H
+#define AST_LOOP_H
+
+#include "ast_base.h"
+
+struct ast_loop
+{
+    // Repeat body while condition is true
+    struct ast *condition;
+    struct ast *body;
+};
+
+/**
+ * Checks if the given AST node is a loop.
+ */
+bool ast_is_loop(struct ast *node);
+
+/**
+ * Retrieves the loop data from the given AST node.
+ * Assumes that the node is of type AST_LOOP.
+ */
+struct ast_loop *ast_get_loop(struct ast *node);
+
+/**
+ * Creates a new AST node representing a loop.
+ */
+struct ast *ast_create_loop(struct ast* condition, struct ast* body);
+
+/*
+ * @brief: frees the given ast_loop and sets the pointer to NULL.
+ */
+void ast_free_loop(struct ast_loop *loop_node);
+
+#endif /* ! AST_LOOP_H */