bulbazord added inline comments.
================
Comment at:
lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp:1314-1324
+ if (line.startswith("return ")) {
+ llvm::StringRef return_val =
+ line.substr(llvm::StringRef("return ").size());
+ sstr.Printf(" __return_val = %s", return_val.data());
+ } else {
+ sstr.Printf(" %s", line.data());
+ }
----------------
bulbazord wrote:
> I feel like this is subtly wrong. For example, given the user provided
> function:
> ```
> def func(frame, bp_loc, internal_dict):
> if frame.name == "main":
> return True
> return False
> ```
>
> This will be transformed into:
> ```
> def __user_callback():
> nonlocal __return_val
> if frame.name == "main":
> __return_val = True
> __return_val = False
> ```
> Assume frame.name == "main": In the first one, we will return True. In the
> second one, `__return_val` will be False.
>
> Maybe we can insert the input into `__user_callback` as-is and do
> `__return_val = __user_callback()`?
To be clear, I think this will work with `-F` because there's just one `return`
statement inserted a few frames up.
This also may fail with `-o` if you concatenate multiple lines in one. For
example, `-o "print('foo'); return frame.name == 'main'"`. This is one line, so
we'll never set `__return_val` to `frame.name == 'main'`. You might need to do
further processing on the input to break it into multiple lines.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D144688/new/
https://reviews.llvm.org/D144688
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