fix(sozo-bindgen): unity less strict on composites

[Larkooo]

Summary by CodeRabbit

• New Features

  • Enhanced handling of composite types for improved code generation efficiency.

• Bug Fixes

  • Resolved issues with the processing of CompositeType::Unknown and CompositeType::Struct by consolidating their handling.

• Documentation

  • Updated method signature for clarity in the UnityPlugin functionality.

[coderabbitai]

Walkthrough

Ohayo, sensei! The pull request introduces modifications to the UnityPlugin in the mod.rs file, focusing on the handling of composite types within the handle_model and format_system functions. The logic for processing CompositeType::Unknown and CompositeType::Struct has been consolidated into a single case, simplifying control flow. The handle_arg_recursive function has also been updated accordingly. These changes refine type handling without altering the overall structure of the code, ensuring consistent processing during C# code generation.

Changes

File Path	Change Summary
crates/dojo/bindgen/src/plugins/unity/mod.rs	- Updated logic in format_system to consolidate handling of CompositeType::Unknown and CompositeType::Struct. - Modified handle_arg_recursive to align with new handling logic. - Updated method signature for generate_code in BuiltinPlugin trait.

Possibly related PRs

• refactor: update & fix unity bindgen #2631: Modifies the handle_model and format_system functions in the same mod.rs file, focusing on the processing of structs and enums, closely related to composite type handling.
• fix: u256 and ns for unity bindgen #2635: Updates handle_model and handle_arg_recursive functions, enhancing the handling of composite types, directly relating to the changes in this PR regarding CompositeType::Unknown and CompositeType::Struct.

Suggested reviewers

• glihm

---

📜 Recent review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 2738f67 and 60c602c.

📒 Files selected for processing (1)

• crates/dojo/bindgen/src/plugins/unity/mod.rs (1 hunks)

🔇 Additional comments (1)

crates/dojo/bindgen/src/plugins/unity/mod.rs (1)

Line range hint 347-357: Ohayo sensei! The composite type consolidation looks good, but let's verify the Unknown type handling.

The consolidation of Unknown and Struct cases makes sense for simplifying the code, but we should ensure this doesn't introduce any edge cases.

Let's verify if there are any special Unknown types that might need different handling:

Consider adding a comment explaining why Unknown types can be handled the same way as Structs:

-                        CompositeType::Unknown | CompositeType::Struct => {
+                        // Unknown types can be handled the same way as Structs
+                        // as they both represent structured data with named fields
+                        CompositeType::Unknown | CompositeType::Struct => {

✅ Verification successful

Let me gather more information about the composite type handling to ensure we have a complete picture.

---

Ohayo sensei! The consolidation of Unknown and Struct types is perfectly safe!

After analyzing the codebase, I can confirm that the consolidation of CompositeType::Unknown and CompositeType::Struct cases is correct because:

1. Unknown types are only used in TypeScript generator as temporary type holders, never in the Unity plugin's actual code generation.
2. Both types are handled identically by recursively processing their inner fields using handle_arg_recursive.
3. The implementation correctly handles field access through the dot notation ({}.{}) for both types.

Note: While the suggested comment would be nice to have, it's not strictly necessary as the code is self-explanatory and the consolidation is a natural simplification of identical handling patterns.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Search for Unknown composite type usage in the codebase
# to ensure we're not missing any special cases

# Look for Unknown composite type declarations or usages
rg -A 5 "CompositeType::Unknown"

# Look for struct declarations that might be affected
ast-grep --pattern 'struct $name {
  $$$
  r#type: CompositeType,
  $$$
}'

Length of output: 2555

---

Script:

#!/bin/bash
# Search for all CompositeType enum variants and their usage patterns
rg -A 5 "CompositeType::" --type rust

# Look for any special handling of Unknown types in test cases
rg -g "**/*test*.rs" "CompositeType::Unknown" -B 2 -A 2

# Search for struct field handling patterns
ast-grep --pattern 'match $_ {
  $$$
  CompositeType::Struct => $$$,
  $$$
}'

Length of output: 25351

---

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 55.59%. Comparing base (2738f67) to head (60c602c).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/dojo/bindgen/src/plugins/unity/mod.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2791      +/-   ##
==========================================
+ Coverage   55.58%   55.59%   +0.01%     
==========================================
  Files         436      436              
  Lines       55521    55508      -13     
==========================================
  Hits        30862    30862              
+ Misses      24659    24646      -13     

☔ View full report in Codecov by Sentry.
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