Function parse_attr_int_value

crates/rustc_codegen_spirv/src/symbols.rs:539–551

(arg: &NestedMetaItem)

}

fn parse_attr_int_value(arg: &NestedMetaItem) -> Result<u32, ParseAttrError> {
    let arg = match arg.meta_item() {
        Some(arg) => arg,
        None => return Err((arg.span(), "attribute must have value".to_string())),
    };
    match arg.name_value_literal() {
        Some(&MetaItemLit {
            kind: LitKind::Int(x, LitIntType::Unsuffixed),
            ..
        }) if x <= u32::MAX as u128 => Ok(x as u32),
        _ => Err((arg.span, "attribute value must be integer".to_string())),
    }
}

fn parse_local_size_attr(arg: &NestedMetaItem) -> Result<[u32; 3], ParseAttrError> {
    let arg = match arg.meta_item() {