Always return Elixir exception even there is no Zig stack trace

[jackalcooper]

Summary by CodeRabbit

• Bug Fixes
  • Improved error handling logic to enhance code clarity and maintainability.
  • Simplified exception generation and raising mechanisms.
  • Resolved potential scoping issues in error trace handling.
• Chores
  • Updated CI configuration to run on Ubuntu 22.04 for improved environment consistency.

[coderabbitai]

Walkthrough

The pull request modifies error handling logic in the src/beam.zig file, specifically focusing on the make_exception and raise_exception functions. The changes improve the clarity and maintainability of exception handling by restructuring variable declarations and simplifying conditional logic. The modifications ensure that stack trace variables are consistently accessible and reduce the complexity of error trace processing. Additionally, the GitHub Actions workflow for Elixir CI is updated to run on Ubuntu 22.04 instead of the latest version.

Changes

File	Change Summary
src/beam.zig	- Restructured make_exception function to declare stack_trace at broader scope - Simplified error trace handling logic - Streamlined raise_exception function to directly return exception result
.github/workflows/elixir.yml	- Updated runs-on configuration from ubuntu-latest to ubuntu-22.04 in CI workflow

Poem

🐰 In the realm of Zig, where errors dance and play,
A rabbit hops through code, refactoring the way,
Traces now flow smoother, conditions untwined,
Exception handling, elegantly redesigned!
Hop, hop, hurray! 🎉

---

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[coderabbitai]

Actionable comments posted: 1

🧹 Nitpick comments (1)

src/beam.zig (1)

1376-1385: LGTM! Consider using a more standard environment variable name.

The stack trace handling logic is well-structured with proper fallbacks. However, the environment variable name KINDA_DUMP_STACK_TRACE could be more standardized.

Consider renaming the environment variable to something more conventional like BEAM_DUMP_STACK_TRACE or ZIG_DUMP_STACK_TRACE:

-        if (std.posix.getenv("KINDA_DUMP_STACK_TRACE")) |KINDA_DUMP_STACK_TRACE| {
-            if (std.mem.eql(u8, KINDA_DUMP_STACK_TRACE, "1")) {
+        if (std.posix.getenv("ZIG_DUMP_STACK_TRACE")) |ZIG_DUMP_STACK_TRACE| {
+            if (std.mem.eql(u8, ZIG_DUMP_STACK_TRACE, "1")) {

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 6d86fad and 23a5f2c.

📒 Files selected for processing (1)

• src/beam.zig (1 hunks)

⏰ Context from checks skipped due to timeout of 90000ms (3)

• GitHub Check: otp25.0-ex1.18.0 / ubuntu-latest
• GitHub Check: otp25.0-ex1.16.2 / ubuntu-latest
• GitHub Check: otp25.0-ex1.13.0 / ubuntu-latest

🔇 Additional comments (1)

src/beam.zig (1)

1400-1400: LGTM! Clean and straightforward implementation.

The exception raising logic is simple and correctly uses the BEAM's native exception mechanism.

[coderabbitai]

Actionable comments posted: 0

🧹 Nitpick comments (1)

.github/workflows/elixir.yml (1)

24-24: Good choice pinning the Ubuntu version!

Pinning to Ubuntu 22.04 LTS improves CI stability and reproducibility by preventing unexpected issues from automatic updates. Consider:

1. Adding a comment explaining why the version is pinned
2. Setting up a reminder (e.g., GitHub issue) to periodically review and update the Ubuntu version

        runs-on: [
-         "ubuntu-22.04"
+         # Pinned to LTS version for stability and reproducibility
+         "ubuntu-22.04"  # TODO: Review and update periodically
        ]

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 23a5f2c and a326b62.

📒 Files selected for processing (1)

• .github/workflows/elixir.yml (1 hunks)