[binutils-gdb] Don't allow multiple request registrations in DAP

[Tom Tromey <tromey@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a4af05ca661f8feb1cbb671d4e4e5e8902892f45

commit a4af05ca661f8feb1cbb671d4e4e5e8902892f45
Author: Tom Tromey <tromey@adacore.com>
Date:   Wed Feb 7 12:46:22 2024 -0700

    Don't allow multiple request registrations in DAP
    
    This changes the DAP code to check that a given request or capability
    is only registered a single time.  This is just a precaution against
    accidentally introducing a second definition of a request somewhere.

Diff:
---
 gdb/python/lib/gdb/dap/server.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gdb/python/lib/gdb/dap/server.py b/gdb/python/lib/gdb/dap/server.py
index e7110660741..6757f2921bf 100644
--- a/gdb/python/lib/gdb/dap/server.py
+++ b/gdb/python/lib/gdb/dap/server.py
@@ -355,6 +355,7 @@ def request(
             cmd = _check_not_running(cmd)
 
         global _commands
+        assert name not in _commands
         _commands[name] = cmd
         return cmd
 
@@ -367,6 +368,7 @@ def capability(name, value=True):
 
     def wrap(func):
         global _capabilities
+        assert name not in _capabilities
         _capabilities[name] = value
         return func