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Convert new_X_error to use a macro#5814

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youknowone merged 3 commits into
RustPython:mainfrom
ShaharNaveh:define-exception-macro
Jun 22, 2025
Merged

Convert new_X_error to use a macro#5814
youknowone merged 3 commits into
RustPython:mainfrom
ShaharNaveh:define-exception-macro

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@ShaharNaveh

@ShaharNaveh ShaharNaveh commented Jun 22, 2025 •
edited by coderabbitai Bot
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Summary by CodeRabbit

  • Refactor
    • Streamlined internal exception creation methods to reduce code duplication and improve maintainability. No changes to user-facing functionality or error messages.

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coderabbitai Bot commented Jun 22, 2025 •
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Walkthrough

The code refactors the VirtualMachine implementation by removing individually defined exception constructor methods and replacing them with a macro, define_exception_fn!, which generates these functions. This macro-based approach consolidates the creation of exception functions, reducing repetitive code without altering their behavior or logic.

Changes

File(s) Change Summary
vm/src/vm/vm_new.rs Removed explicit exception constructor methods; introduced and used define_exception_fn! macro to generate equivalent functions for various exceptions, including one with a docstring.

Sequence Diagram(s)

sequenceDiagram
    participant Caller
    participant VirtualMachine

    Caller->>VirtualMachine: new_value_error(msg)
    VirtualMachine->>VirtualMachine: Macro-generated function creates ValueError with msg
    VirtualMachine-->>Caller: PyBaseExceptionRef (ValueError)
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Poem

In the warren of code, where exceptions grew tall,
A macro now hops, answering each call.
No more repeating, no more the same—
Just one clever spell to conjure each name.
With every error neat and new,
The VM’s job is easier to do!
🐇✨

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📥 Commits

Reviewing files that changed from the base of the PR and between 6ad177a and 6fa026b.

📒 Files selected for processing (1)
  • vm/src/vm/vm_new.rs (2 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
  • vm/src/vm/vm_new.rs
⏰ Context from checks skipped due to timeout of 90000ms (4)
  • GitHub Check: Run snippets and cpython tests (windows-latest)
  • GitHub Check: Check Rust code with rustfmt and clippy
  • GitHub Check: Ensure compilation on various targets
  • GitHub Check: Run snippets and cpython tests (macos-latest)
✨ Finishing Touches
  • 📝 Generate Docstrings

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youknowone
youknowone requested changes Jun 22, 2025
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Thank you so much!

@ShaharNaveh @youknowone
Update vm/src/vm/vm_new.rs …
6ad177a 
Co-authored-by: Jeong, YunWon <69878+youknowone@users.noreply.github.com>
@ShaharNaveh
Macro now contains doc
6fa026b
@ShaharNaveh ShaharNaveh requested a review from youknowone June 22, 2025 09:07
Hide details View details @youknowone youknowone merged commit e27263a into RustPython:main Jun 22, 2025
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@coderabbitai coderabbitai Bot mentioned this pull request Jun 23, 2025
Merged
@ShaharNaveh ShaharNaveh deleted the define-exception-macro branch June 24, 2025 08:05
@coderabbitai coderabbitai Bot mentioned this pull request Dec 9, 2025
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@coderabbitai coderabbitai Bot mentioned this pull request Dec 30, 2025
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@coderabbitai coderabbitai Bot mentioned this pull request Feb 24, 2026
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@ShaharNaveh @youknowone