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| author | Josh Triplett <josh@joshtriplett.org> | 2025-08-10 14:25:43 -0700 |
|---|---|---|
| committer | Josh Triplett <josh@joshtriplett.org> | 2025-08-16 05:28:31 -0700 |
| commit | 1ae4a0cc3487f28b29f36afe8056535afad21e7b (patch) | |
| tree | a408ec3e10388ca37142ab6456a8ec7b83b141c6 /compiler/rustc_codegen_llvm/src | |
| parent | 3507a749b365aae4eefa96ab700a9315d3280ee7 (diff) | |
| download | rust-1ae4a0cc3487f28b29f36afe8056535afad21e7b.tar.gz rust-1ae4a0cc3487f28b29f36afe8056535afad21e7b.zip | |
library: Migrate from `cfg_if` to `cfg_select`
Migrate the standard library from using the external `cfg_if` crate to
using the now-built-in `cfg_select` macro.
This does not yet eliminate the dependency from
`library/std/Cargo.toml`, because while the standard library itself no
longer uses `cfg_if`, it also incorporates the `backtrace` crate, which
does.
Migration assisted by the following vim command (after selecting the
full `cfg_if!` invocation):
```
'<,'>s/\(cfg_if::\)\?cfg_if/cfg_select/ | '<,'>s/^\( *\)} else {/\1}\r\1_ => {/c | '<,'>s/^\( *\)} else if #\[cfg(\(.*\))\] /\1}\r\1\2 => /e | '<,'>s/if #\[cfg(\(.*\))\] {/\1 => {/e
```
This is imperfect, but substantially accelerated the process. This
prompts for confirmation on the `} else {` since that can also appear
inside one of the arms. This also requires manual intervention to handle
any multi-line conditions.
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
0 files changed, 0 insertions, 0 deletions