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[ruby/irb] Avoid locking the debug UI to a single thread

Browse Source 
(https://github.com/ruby/irb/pull/725)

Since `debug` stores and updates the target thread via its Session's
`@tc` variable, we don't need to and shouldn't lock the UI to the thread
that activates the integration.

https://github.com/ruby/irb/commit/202efdbf0c
This commit is contained in:
Stan Lo 2023-10-11 15:16:32 +01:00 committed by git
parent 380c25f89f
commit cc311e1c45
2 changed files with 4 additions and 8 deletions
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7
lib/irb/debug.rb
View File

@ -32,17 +32,14 @@ module IRB
end
DEBUGGER__::CONFIG.set_config
configure_irb_for_debugger(irb)
thread = Thread.current
DEBUGGER__.initialize_session{ IRB::Debug::UI.new(thread, irb) }
DEBUGGER__.initialize_session{ IRB::Debug::UI.new(irb) }
end
# When debug session was previously started but not by IRB
if defined?(DEBUGGER__::SESSION) && !irb.context.with_debugger
configure_irb_for_debugger(irb)
thread = Thread.current
DEBUGGER__::SESSION.reset_ui(IRB::Debug::UI.new(thread, irb))
DEBUGGER__::SESSION.reset_ui(IRB::Debug::UI.new(irb))
end
# Apply patches to debug gem so it skips IRB frames

5
lib/irb/debug/ui.rb
View File

@ -4,8 +4,7 @@ require 'debug/console'
module IRB
module Debug
class UI < DEBUGGER__::UI_Base
def initialize(thread, irb)
@thread = thread
def initialize(irb)
@irb = irb
end
@ -56,7 +55,7 @@ module IRB
def readline _
setup_interrupt do
tc = DEBUGGER__::SESSION.get_thread_client(@thread)
tc = DEBUGGER__::SESSION.instance_variable_get(:@tc)
cmd = @irb.debug_readline(tc.current_frame.binding || TOPLEVEL_BINDING)
case cmd