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Add documentation

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Camelid 2020-06-16 18:10:26 -07:00
parent 8fe6710b4d
commit db9d3769b4
1 changed files with 9 additions and 0 deletions
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9
src/librustc_builtin_macros/asm.rs
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@ -283,6 +283,10 @@ fn parse_args<'a>(
Ok(args)
}
/// Report a duplicate option error.
///
/// This function must be called immediately after the option token is parsed.
/// Otherwise, the suggestion will be incorrect.
fn err_duplicate_option<'a>(p: &mut Parser<'a>, symbol: Symbol, span: Span) {
let mut err = p
.sess
@ -305,6 +309,11 @@ fn err_duplicate_option<'a>(p: &mut Parser<'a>, symbol: Symbol, span: Span) {
err.emit();
}
/// Try to set the provided option in the provided `AsmArgs`.
/// If it is already set, report a duplicate option error.
///
/// This function must be called immediately after the option token is parsed.
/// Otherwise, the error will not point to the correct spot.
fn try_set_option<'a>(
p: &mut Parser<'a>,
args: &mut AsmArgs,