feat(redirections): ast commands now have a field for the list of redirections + redirections implemented in parser

src/parser/grammar_basic.c

@@ -171,6 +171,7 @@ struct ast *parse_command(struct lexer_context *ctx)
 struct ast *parse_simple_command(struct lexer_context *ctx)
 {
     struct list *command_elements = NULL;
+    struct list *redirections = NULL; // list of redirection ASTs
 
     // WORD
     struct token *token = POP_TOKEN();
@@ -204,15 +205,15 @@ struct ast *parse_simple_command(struct lexer_context *ctx)
         }
         else if (ast_is_redir(element))
         {
-            // TODO
-            perror("NOT IMPLEMENTED");
-            return NULL;
+            // append redirections to the list of redirections
+            redirections = list_append(redirections, element);
         }
         else
         {
             perror("Internal error: unexpected return value from parse_element "
                    "in parse_simple_command");
             list_deep_destroy(command_elements);
+            list_deep_destroy(redirections);
             return NULL;
         }
 
@@ -221,10 +222,11 @@ struct ast *parse_simple_command(struct lexer_context *ctx)
     }
 
     // Result
-    struct ast *result = ast_create_command(command_elements);
+    struct ast *result = ast_create_command(command_elements, redirections);
     if (result == NULL)
     {
         list_deep_destroy(command_elements);
+        list_deep_destroy(redirections);
         return NULL;
     }
     return result;