[Lldb-commits] [lldb] [lldb] Introduce ScriptedFrameProvider for real threads (PR #161870)

[via lldb-commits]

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@@ -0,0 +1,46 @@
+%extend lldb::SBFrameList {
+
+#ifdef SWIGPYTHON
+       %nothreadallow;
+#endif
+       std::string lldb::SBFrameList::__str__ (){
+           lldb::SBStream description;
+           const size_t n = $self->GetSize();
+           if (n)
+           {
+               for (size_t i=0; i<n; ++i)
+                   $self->GetFrameAtIndex(i).GetDescription(description);
+           }
+           else
+           {
+               description.Printf("<empty> lldb.SBFrameList()");
+           }
+           const char *desc = description.GetData();
+           size_t desc_len = description.GetSize();
+           if (desc_len > 0 && (desc[desc_len-1] == '\n' || desc[desc_len-1] == '\r'))
+               --desc_len;
+           return std::string(desc, desc_len);
+       }
+#ifdef SWIGPYTHON
+       %clearnothreadallow;
+#endif
+
+#ifdef SWIGPYTHON
+    %pythoncode %{
+        def __iter__(self):
+            '''Iterate over all frames in a lldb.SBFrameList object.'''
+            return lldb_iter(self, 'GetSize', 'GetFrameAtIndex')
+
+        def __len__(self):
+            return int(self.GetSize())
+
+        def __getitem__(self, key):
+            count = len(self)
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jimingham wrote:

If you need to do that to support negative keys, I'd first check whether key was negative, and only count the frames then.

https://github.com/llvm/llvm-project/pull/161870