refactor(ast): one file per ast_type -- UNSTABLE

src/utils/ast/ast_command.h

@@ -0,0 +1,30 @@
+#ifndef AST_COMMAND_H
+#define AST_COMMAND_H
+
+#include <stdbool.h>
+
+#include "../lists/lists.h"
+#include "utils/ast/ast.h"
+
+struct ast_cmd
+{
+    struct list *cmd; // A list of words (char*)
+};
+
+/**
+ * Checks if the given AST node is a command.
+ */
+bool ast_is_cmd(struct ast *node);
+
+/**
+ * Retrieves the command data from the given AST node.
+ * Assumes that the node is of type AST_CMD.
+ */
+struct ast_cmd *ast_get_cmd(struct ast *node);
+
+/**
+ * Creates a new AST node representing a command.
+ */
+struct ast *ast_create_cmd(struct list *cmd);
+
+#endif /* ! AST_COMMAND_H */