LuaLS / LuaLS/lua-language-server
The type is not determined after the bitwise operation
Nobody has claimed this yet.
- Dominant language
- Lua
- Stars
- 4.4k
- Forks
- 442
- PR merge metrics
- No merged PRs in 30d
Description
### How are you using the lua-language-server?
Visual Studio Code Extension (sumneko.lua)
### Which OS are you using?
Windows
### What is the issue affecting?
Type Checking
### Expected Behaviour
### Actual Behaviour
### Reproduction steps
```lua
local PACK_YZ = 1 << 20; -- okey
local PACK_X = PACK_YZ << 1; --- not okey
```
### Additional Notes
_No response_
### Log File
_No response_
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the Lua reproduction in the issue and trace the language server's type-checking path for chained bitwise left-shift expressions. No source files or tests are named; done means the second assignment receives the expected inferred type and the relevant regression coverage passes.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- lua
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100