![]() Experiment with removing built-in Racket functions in stack traces to make the trace less noisy. "Built-in" is defined as code that exists in the built-in modules. On CS, built-in code is detected as residing in the static generation. (Also, on CS, the code must have a name but no source location or detailed debugging information to be suppressed.) On BC, a code object has a bit set if it's loaded at boot time. This change makes stack traces look more like Racket BC traces before the macro expander was implemented in Racket. The frames for built-in functions have been useful for implementing the expander and Racket CS, but probably they're just noise for most users most of the time. Set the `PLT_SHOW_BUILTIN_CONTEXT` environment variable to preserve all available frames in the stack trace. |
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README.md |
Racket is a general-purpose programming language and an ecosystem for language-oriented programming.
This repository holds the source code for the core of Racket plus some related packages. The rest of the Racket distribution source code is in other repositories, mostly under the Racket GitHub organization.
Quick Start
Pre-built versions of Racket for a variety of operating systems and architectures, as well as convenient source distributions are available at
https://download.racket-lang.org
Racket comes with extensive documentation, including several tutorials. You can read all of this documentation, as well as documentation for third-party packages at
Building from Source
For information on building Racket from this repository, see the Build Guide.
Contributing
Contribute to Racket by submitting a pull request, joining the development mailing list, or visiting the IRC or Slack channels.
By making a contribution, you are agreeing that your contribution is licensed under the LGPLv3, Apache 2.0, and MIT licenses. Those licenses are available in this repository in the files racket/src/LICENSE-LGPL.txt, racket/src/LICENSE-APACHE.txt, and racket/src/LICENSE-MIT.txt.
See the Racket Build Guide for more guidance on contributing.
The Friendly Environment Policy contains guidelines on expected behavior within the Racket community.
License
Racket is free software; see LICENSE for more details.