debug/gdb/printers: prefer yield over custom iterators

debug/gdb/printers.py

@@ -25,7 +25,6 @@ class CoordPrinter(object):
                 yield res
             raise StopIteration()
 
-
     def children(self):
         return self._iterator(self.val['data'])
 
@@ -35,37 +34,28 @@ class ViewPrinter(object):
         self.val = val
 
     def to_string(self):
-        return self.val
+        end = int(self.val["m_end"])
+        begin = int(self.val["m_begin"])
+        size = end - begin
+        return f"{size} elements"
 
     def display_hint(self):
         return 'array'
 
-    class _iterator(object):
-        def __init__(self, first, last):
-            self.cursor = first
-            self.last = last
-            self.index = 0
-
-        def __iter__(self):
-            return self
-
-        def __next__(self):
-            if self.cursor == self.last:
-                raise StopIteration
-
-            val = self.cursor.dereference()
-            res = ("[%d]" % self.index, val)
-
-            self.cursor = self.cursor + 1
-            self.index = self.index + 1
-
-            return res
-
     def children(self):
-        return self._iterator(
+        cursor = self.val["m_begin"]
-            self.val["m_begin"],
+        last = self.val["m_end"]
-            self.val["m_end"]
+        index = 0
-        )
+
+        while cursor != last:
+            val = cursor.dereference()
+            res = ("[%d]" % index, val)
+
+            cursor = cursor + 1
+            index = index + 1
+
+            val = cursor.dereference()
+            yield res
 
 class EndianValuePrinter(object):
     val: gdb.Type