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dearblue cf20687ee7 mruby-eval: unify f_instance_eval and f_class_eval

Their bodies were nearly identical: same argument parsing,
same proc creation, same target-class plumbing. The only
differences are which method to delegate to in the block-given
case (mrb_obj_instance_eval vs. mrb_mod_module_eval) and
which class to use as the target (singleton vs. self-as-class).

Extract the shared logic into object_eval(self, class_eval).
The two top-level dispatchers become one-line wrappers.

Closes #6579, picked from PR by dearblue.

Co-authored-by: Claude <noreply@anthropic.com>

2026-05-08 11:51:25 +09:00

src

mruby-eval: unify f_instance_eval and f_class_eval

2026-05-08 11:51:25 +09:00

test

Fixed visibility at method definition

2025-04-11 21:36:26 +09:00

mrbgem.rake

Integrate mruby-binding-eval into mruby-eval

2023-04-16 21:44:00 +09:00

README.md

mruby-eval fix license link in README

2025-07-29 01:27:49 +10:00

README.md

mruby-eval

This mrbgem provides methods for evaluating Ruby code from strings in mruby.

Features

The mruby-eval gem implements the following methods:

eval: Evaluates a string as Ruby code. This is a private method on Kernel.
instance_eval: Evaluates a string or a block within the context of an object. This is a method on BasicObject.
class_eval / module_eval: Evaluates a string or a block within the context of a class or module. This is a method on Module.
Binding#eval: Evaluates a string within the context of a Binding object.

Usage

For detailed usage and examples, please refer to the standard Ruby documentation for these methods. The mruby implementation aims to be compatible with the behavior of these methods in CRuby.

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

mruby-eval is released under the MIT License. See the LICENSE file in the main mruby repository for details.