Walk the stack in a Pry session
Pry::StackExplorer is a plugin for Pry that allows navigating the call stack.
From the point a Pry session is started, the user can move up the stack through parent frames, examine state, and even evaluate code.
ruby-debug, pry-stack_explorer incurs no runtime cost and
enables navigation right up the call-stack to the birth of the
stack commands are provided. See
Pry's in-session help for more information on any of these commands.
Provides commands available in Pry sessions.
down- Move up or down the call stack
frame [n]- Go to frame n
stack- Show call stack
gem 'pry-stack_explorer', '~> 0.6.0'
gem install pry-stack_explorer
Branches and compatible Ruby versions
- v0.5, v0.6: Ruby 2.6+, Pry 0.13+
- v0.4.11+: Ruby 2.5, Pry 0.12+ (branch
0-4– end-of-life in March 2021)
- v0.4.9.3: Older versions (unsupported)
Here we run the following ruby script:
x = "hello"
We wander around the stack a little bit, and modify the state of a frame above the one we
Output from above is
Goodbye as we changed the
x local inside the
alpha (caller) stack frame.
Released under the MIT License by John Mair (banisterfiend) and contributors
Contributions to this gem are released under the same license.