[Lldb-commits] [PATCH] D68671: Add the ability to pass extra args to a Python breakpoint command function

Pavel Labath via Phabricator via lldb-commits lldb-commits at lists.llvm.org
Mon Oct 14 01:32:59 PDT 2019


labath added subscribers: lawrence_danna, labath.
labath added inline comments.


================
Comment at: lldb/include/lldb/Interpreter/ScriptInterpreter.h:469
+  
+  virtual int GetNumArgumentsForCallable(const char *callable_name) { 
+    return -1;
----------------
In light of varargs functions (`*args, **kwargs`), which are fairly popular in python, the concept of "number of arguments of a callable" does not seem that well defined. The current implementation seems to return the number of fixed arguments, which might be fine, but I think this behavior should be documented. Also, it would be good to modernize this function signature -- have it take a StringRef, and return a `Expected<unsigned (?)>` -- ongoing work by @lawrence_danna will make it possible to return errors from the python interpreter, and this will make it possible to display those, instead of just guessing that this is because the callable was not found (it could in fact be because the named thing is not a callable, of because resolving the name produced an exception, ...).


Repository:
  rLLDB LLDB

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D68671/new/

https://reviews.llvm.org/D68671





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