基本稳定

includes/ast/__init__.vp

@@ -17,7 +17,7 @@ from .base import (
     _init_ast, _copy_str, _set_pos, _inherit_pos, _set_parent_list,
     _binop_from_op, _augop_from_op, _cmpop_from_op,
     _emit, _emit_str, _emit_int, _dump_list,
-    dump,
+    dump, _op_name,
 )
 # 语句节点
 from .stmts import (

includes/ast/lexer.vp

@@ -553,6 +553,14 @@ def _read_string(lx: Lexer | t.CPtr):
                         conv_buf[wpos] = '\t'
                     elif next_ch == 'r':
                         conv_buf[wpos] = '\r'
+                    elif next_ch == 'f':
+                        conv_buf[wpos] = '\f'
+                    elif next_ch == 'v':
+                        conv_buf[wpos] = '\v'
+                    elif next_ch == 'a':
+                        conv_buf[wpos] = '\a'
+                    elif next_ch == 'b':
+                        conv_buf[wpos] = '\b'
                     elif next_ch == '\\':
                         conv_buf[wpos] = '\\'
                     elif next_ch == '\'':