vscode-cpptools
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microsoft
Sized enums still aren't supported
Type: Bug
Step 0: Set your "C Standard" to at least c23 (I have it on gnu23).
Step 1: Declare a sized enum:
enum: uint32_t {
foo = 0xDEADBEEF,
bar = 0x12345678,
baz
}
Step 2: Distinct lack of profit.
Even with #7471 being closed, I still have this issue with Intellisense, though the code compiles fine.
Extension version: 1.26.1 VS Code version: Code 1.100.3 (258e40fedc6cb8edf399a463ce3a9d32e7e1f6f3, 2025-06-02T13:30:54.273Z) OS version: Linux x64 6.8.0-60-generic Modes:
System Info
| Item | Value |
|---|---|
| CPUs | Intel(R) Core(TM) i5-10210U CPU @ 1.60GHz (8 x 2599) |
| GPU Status | 2d_canvas: enabled canvas_oop_rasterization: enabled_on direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_graphite: disabled_off video_decode: enabled video_encode: disabled_software vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: disabled_off webnn: disabled_off |
| Load (avg) | 1, 1, 1 |
| Memory (System) | 15.34GB (9.25GB free) |
| Process Argv | --crash-reporter-id 3cdbf6ce-6d27-475a-ae69-ae7116a9bb80 |
| Screen Reader | no |
| VM | 22% |
| DESKTOP_SESSION | ubuntu |
| XDG_CURRENT_DESKTOP | Unity |
| XDG_SESSION_DESKTOP | ubuntu |
| XDG_SESSION_TYPE | x11 |
A/B Experiments
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pylancecolor:31314202
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generatesymbolt:31295002
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@cD1rtX3 This is not implemented by our our parser yet -- you can track the progress in the EDG column at https://en.cppreference.com/w/c/compiler_support/23 row "Enumerations with fixed underlying types".
The root c23 issue is at https://github.com/microsoft/vscode-cpptools/issues/10696, but we can use this issue to track this specific feature.
@sean-mcmanus: According to the progress spreadsheet (row 193), this feature was recently added to EDG as of release 6.8. Can you please provide an ETA as to when this will make its way into vscode-cpptools?
@jleveque Yeah, we plan to add that when it's available and integrated into our code -- I don't have any insider knowledge on this but I'm guessing 6.8 might not be done yet and the progress is just showing what is pending and they have more stuff to add and test before releasing it? So I don't have an ETA yet.
Why do we use EDG? Is there a way to use GCC's lexer/parser, since it already supports everything?
@cD1rtX3 Because EDG has support for enumulating different versions of gcc, clang, and msvc (and our implementation isn't integrated with a gcc front end parser). But this will be available in 1.29.0 later this week (from EDG).
Fixed with https://github.com/microsoft/vscode-cpptools/releases/tag/v1.29.0 (pre-release)