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Luacheck Showcase#4

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Luacheck Showcase#4

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@alexcoderabbitaialexcoderabbitai commentedJul 14, 2025
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Summary by CodeRabbit

  • New Features
    • Introduced a new Lua file with several example functions and global variable assignments, including intentional errors for demonstration purposes.

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coderabbitaibot commentedJul 14, 2025
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📝 Walkthrough

Walkthrough

A new Lua file namedexample.lua has been added. It introduces three functions with intentional errors, several global variable assignments, and some incomplete or syntactically incorrect code blocks. The changes are limited to this single file and focus on error-prone code constructs.

Changes

File(s)Change Summary
example.luaAdded with three functions (divide,nestedError,syntaxError), global variables, and errors.

Poem

In Lua’s land a file appears,
With errors bold and bugs sincere.
Functions trip and globals stray,
Syntax falters on its way.
Let’s debug, explore, and see—
What lessons hide in code’s debris!
🐢💡

Impact Analysis

Introduction of new Lua functions and globals with intentional runtime and syntax errors

🚨 Critical 🔄 Impacts behavior 🔗 Impacts API

The addition of the new Lua file introduces several functions and global variables that contain intentional syntax and runtime errors. Any attempt to execute or import this file will result in immediate failures due to undefined variables, incomplete statements, and syntax errors, breaking normal execution and potentially causing application crashes or unexpected behavior.

Attempt to load and execute the file in various environments to confirm that errors are raised as expected. Test integration points to ensure that these errors do not propagate to or disrupt other modules or user workflows.

🔍 Related Files
  • example.lua
✨ Finishing Touches
  • 📝 Generate Docstrings
🧪 Generate unit tests
  • Create PR with unit tests
  • Post copyable unit tests in a comment
  • Commit unit tests in branchluacheck

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Actionable comments posted: 6

📜 Review details

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

📥 Commits

Reviewing files that changed from the base of the PR and betweenef04b8d andada1102.

📒 Files selected for processing (1)
  • example.lua (1 hunks)
🧰 Additional context used
🪛 Luacheck (1.2.0)
example.lua

[error] 18-18: expected expression near 'end'

(E011)

Comment on lines +13 to +18
local function syntaxError()
if true then
print("This will cause a syntax error")

local missingBracket =
end

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⚠️ Potential issue

Fix syntax errors in function

The function has critical syntax errors that prevent parsing:

  1. Missingend for the if statement
  2. Incomplete assignment on line 17
 local function syntaxError()     if true then         print("This will cause a syntax error")--    local missingBracket =+    end+    local missingBracket = nil  -- or assign appropriate value end
📝 Committable suggestion

‼️IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
localfunctionsyntaxError()
iftruethen
print("This will cause a syntax error")
localmissingBracket=
end
localfunctionsyntaxError()
iftruethen
print("This will cause a syntax error")
end
localmissingBracket=nil-- or assign appropriate value
end
🧰 Tools
🪛 Luacheck (1.2.0)

[error] 18-18: expected expression near 'end'

(E011)

🤖 Prompt for AI Agents
In example.lua around lines 13 to 18, fix the syntax errors by adding themissing 'end' to close the if statement properly and complete or remove theincomplete assignment on line 17 to ensure the function parses correctly.

@coderabbitaicoderabbitai deleted a comment fromcoderabbitaibotJul 14, 2025
@coderabbitaicoderabbitai deleted a comment fromcoderabbitaibotJul 14, 2025
@coderabbitaicoderabbitai deleted a comment fromcoderabbitaibotJul 14, 2025
@coderabbitaicoderabbitai deleted a comment fromcoderabbitaibotJul 14, 2025
@coderabbitaicoderabbitai deleted a comment fromcoderabbitaibotJul 14, 2025
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