mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2026-10-26 10:57:38 +08:00
Gary Guo
3504d1bce9
This parameter is needed currently because doctests want to override the file. Simplify it by changing it to use `file!()`. Have doctests override `file!()` macro to achieve the current behavior. This allows us to remove the `file` helper and associated Kconfig options. Reviewed-by: David Gow <david@davidgow.net> Signed-off-by: Gary Guo <gary@garyguo.net> Link: https://patch.msgid.link/20260902-kunit-v2-1-eda3ed6c00c5@garyguo.net Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
45 lines
1000 B
Rust
45 lines
1000 B
Rust
// SPDX-License-Identifier: GPL-2.0
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use proc_macro2::TokenStream;
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use quote::ToTokens;
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use syn::{
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parse::{
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Parse,
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ParseStream, //
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},
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Attribute,
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Error,
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LitStr,
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Result, //
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};
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/// A string literal that is required to have ASCII value only.
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pub(crate) struct AsciiLitStr(LitStr);
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impl Parse for AsciiLitStr {
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fn parse(input: ParseStream<'_>) -> Result<Self> {
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let s: LitStr = input.parse()?;
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if !s.value().is_ascii() {
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return Err(Error::new_spanned(s, "expected ASCII-only string literal"));
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}
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Ok(Self(s))
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}
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}
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impl ToTokens for AsciiLitStr {
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fn to_tokens(&self, ts: &mut TokenStream) {
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self.0.to_tokens(ts);
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}
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}
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impl AsciiLitStr {
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pub(crate) fn value(&self) -> String {
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self.0.value()
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}
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}
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/// Obtain all `#[cfg]` attributes.
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pub(crate) fn gather_cfg_attrs(attr: &[Attribute]) -> impl Iterator<Item = &Attribute> + '_ {
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attr.iter().filter(|a| a.path().is_ident("cfg"))
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}
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