bjoernager/rust
bjoernager/rust
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Update a few comments

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Mark Mansi 2018-01-30 16:20:46 -06:00
parent 786b2ca155
commit 549534e438
2 changed files with 4 additions and 1 deletions
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1
src/libsyntax/ext/tt/macro_parser.rs
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@ -471,7 +471,6 @@ fn inner_parse_loop(
// We don't need a separator. Move the "dot" back to the beginning of the matcher // We don't need a separator. Move the "dot" back to the beginning of the matcher
// and try to match again UNLESS we are only allowed to have _one_ repetition. // and try to match again UNLESS we are only allowed to have _one_ repetition.
else if item.seq_op != Some(quoted::KleeneOp::ZeroOrOne) { else if item.seq_op != Some(quoted::KleeneOp::ZeroOrOne) {
// we don't need a separator
item.match_cur = item.match_lo; item.match_cur = item.match_lo;
item.idx = 0; item.idx = 0;
cur_items.push(item); cur_items.push(item);

4
src/libsyntax/ext/tt/quoted.rs
View file

@ -173,6 +173,8 @@ impl TokenTree {
/// `ident` are "matchers". They are not present in the body of a macro rule -- just in the /// `ident` are "matchers". They are not present in the body of a macro rule -- just in the
/// pattern, so we pass a parameter to indicate whether to expect them or not. /// pattern, so we pass a parameter to indicate whether to expect them or not.
/// - `sess`: the parsing session. Any errors will be emitted to this session. /// - `sess`: the parsing session. Any errors will be emitted to this session.
/// - `features`, `attrs`: language feature flags and attributes so that we know whether to use
/// unstable features or not.
/// ///
/// # Returns /// # Returns
/// ///
@ -242,6 +244,8 @@ pub fn parse(
/// converting `tree` /// converting `tree`
/// - `expect_matchers`: same as for `parse` (see above). /// - `expect_matchers`: same as for `parse` (see above).
/// - `sess`: the parsing session. Any errors will be emitted to this session. /// - `sess`: the parsing session. Any errors will be emitted to this session.
/// - `features`, `attrs`: language feature flags and attributes so that we know whether to use
/// unstable features or not.
fn parse_tree<I>( fn parse_tree<I>(
tree: tokenstream::TokenTree, tree: tokenstream::TokenTree,
trees: &mut Peekable<I>, trees: &mut Peekable<I>,