rust/macros/helpers.rs

Source file repositories/reference/linux-study-clean/rust/macros/helpers.rs

File Facts

System
Linux kernel
Corpus path
rust/macros/helpers.rs
Extension
.rs
Size
1331 bytes
Lines
61
Domain
Rust Kernel Layer
Bucket
Rust API Membrane
Inferred role
Rust Kernel Layer: implementation source
Status
source implementation candidate

Why This File Exists

Rust-side wrappers and abstractions around kernel C APIs, ownership contracts, allocation, synchronization, and module integration.

Dependency Surface

Detected Declarations

Annotated Snippet

fn to_tokens(&self, ts: &mut TokenStream) {
        self.0.to_tokens(ts);
    }
}

impl AsciiLitStr {
    pub(crate) fn value(&self) -> String {
        self.0.value()
    }
}

pub(crate) fn file() -> String {
    #[cfg(not(CONFIG_RUSTC_HAS_SPAN_FILE))]
    {
        proc_macro::Span::call_site()
            .source_file()
            .path()
            .to_string_lossy()
            .into_owned()
    }

    #[cfg(CONFIG_RUSTC_HAS_SPAN_FILE)]
    {
        proc_macro::Span::call_site().file()
    }
}

/// Obtain all `#[cfg]` attributes.
pub(crate) fn gather_cfg_attrs(attr: &[Attribute]) -> impl Iterator<Item = &Attribute> + '_ {
    attr.iter().filter(|a| a.path().is_ident("cfg"))
}

Annotation

Implementation Notes