[PATCH] python: Add qualified parameter to gdb.Breakpoint

Simon Marchi simon.marchi@ericsson.com
Fri Dec 8 18:27:00 GMT 2017

On 2017-12-08 09:15 AM, Eli Zaretskii wrote:
>> From: Simon Marchi <simon.marchi@ericsson.com>
>> CC: Simon Marchi <simon.marchi@ericsson.com>
>> Date: Thu, 7 Dec 2017 17:33:33 -0500
>> This patch adds the possibility to pass a qualified=True|False parameter
>> when creating a breakpoint in Python.  It is equivalent to using
>> -qualified in a linespec.  The parameter actually accepts any Python
>> value, and converts it to boolean using Python's standard rules for
>> that (https://docs.python.org/3/library/stdtypes.html#truth).
>> Unlike the -source/-line/-function/-label parameters, it is possible to
>> use -qualified with a "normal" (non-explicit) linespec.  Therefore, it
>> is possible (unlike these other parameters) to use this new parameter
>> along with the spec parameter.
>> I updated the py-breakpoint.exp test.  To be able to test multiple
>> locations using a namespace, I had to switch the test case to compile as
>> C++.  If we really wanted to, we could run it as both C and C++, but
>> omit the C++-specific parts when running it as C.
>> gdb/ChangeLog:
>> 	* location.h (string_to_event_location): Add match_type
>> 	parameter.
>> 	* location.c (string_to_event_location): Likewise.
>> 	* python/py-breakpoint.c (bppy_init): Handle qualified
>> 	parameter.
>> gdb/doc/ChangeLog:
>> 	* python.texi (Manipulating breakpoints using Python): Document
>> 	qualified parameter to gdb.Breakpoint.
>> gdb/testsuite/ChangeLog:
>> 	* gdb.python/py-breakpoint.c (foo_ns::multiply): New function.
>> 	* gdb.python/py-breakpoint.exp: Compile the test case as c++,
>> 	call test_bkpt_qualified.
>> 	(test_bkpt_qualified): New proc.
> OK for the documentation part.  (Do we need a NEWS entry?)

A NEWS entry would be good.  I think we can complement the existing one about
-qualified instead of making a new one.  What about this?

diff --git a/gdb/NEWS b/gdb/NEWS
index c6fe297..bd5ae36 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -81,7 +81,9 @@
   GDB interpret the specified function name as a complete
   fully-qualified name instead.  For example, using the same C++
   program, the "break -q B::func" command sets a breakpoint on
-  "B::func", only.
+  "B::func", only.  A parameter has been added to the Python
+  gdb.Breakpoint constructor to achieve the same result when creating
+  a breakpoint from Python.

 * Breakpoints on functions marked with C++ ABI tags

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