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Convert `new_X_error` to use a macro by ShaharNaveh · Pull Request #5814 · RustPython/RustPython

ShaharNaveh

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!
🐇✨

📜 Recent review details

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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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