修正了部分代码的表达方式，最后可用版本，mlirlite 已基本完善

viperio.vp

@@ -3,12 +3,12 @@ from stdint import *
 
 
 class Buf:
-    data: t.CChar | t.CPtr
-    length: t.CSizeT
-    capacity: t.CSizeT
+    data: char | t.CPtr
+    length: sizet
+    capacity: sizet
     owned: bool
 
-    def __init__(self, data: t.CChar | t.CPtr, capacity: t.CSizeT, length: t.CSizeT = 0, owned: bool = False):
+    def __init__(self, data: char | t.CPtr, capacity: sizet, length: sizet = 0, owned: bool = False):
         self.data = data
         self.capacity = capacity
         self.length = length
@@ -19,14 +19,14 @@ class Buf:
         if self.data != None and self.capacity > 0:
             self.data[0] = 0
 
-    def write(self, src: t.CChar | t.CPtr, count: t.CSizeT) -> t.CSizeT:
+    def write(self, src: char | t.CPtr, count: sizet) -> sizet:
         if self.data == None: return 0
         if src == None: return 0
         if count == 0: return 0
-        avail: t.CSizeT = self.capacity - self.length
+        avail: sizet = self.capacity - self.length
         if avail <= 0: return 0
-        n: t.CSizeT = count if count < avail else avail
-        i: t.CSizeT = 0
+        n: sizet = count if count < avail else avail
+        i: sizet = 0
         while i < n:
             self.data[self.length + i] = src[i]
             i += 1
@@ -36,7 +36,7 @@ class Buf:
             self.data[self.length] = 0
         return n
 
-    def cstr(self) -> t.CChar | t.CPtr:
+    def cstr(self) -> char | t.CPtr:
         return self.data
 
     def reset(self):