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| author | Mark Mansi <markm@cs.wisc.edu> | 2018-01-30 16:20:46 -0600 |
|---|---|---|
| committer | Mark Mansi <markm@cs.wisc.edu> | 2018-01-30 16:20:46 -0600 |
| commit | 549534e438e40439aa43e6580fe31509ea31376f (patch) | |
| tree | 3007d07d9a912504415700b23ee0ea4a81ae9441 /src/libsyntax/ext | |
| parent | 786b2ca1556de6d589bfb7d07e4a98e8fdcc6498 (diff) | |
| download | rust-549534e438e40439aa43e6580fe31509ea31376f.tar.gz rust-549534e438e40439aa43e6580fe31509ea31376f.zip | |
Update a few comments
Diffstat (limited to 'src/libsyntax/ext')
| -rw-r--r-- | src/libsyntax/ext/tt/macro_parser.rs | 1 | ||||
| -rw-r--r-- | src/libsyntax/ext/tt/quoted.rs | 4 |
2 files changed, 4 insertions, 1 deletions
diff --git a/src/libsyntax/ext/tt/macro_parser.rs b/src/libsyntax/ext/tt/macro_parser.rs index 2a3b96ebcb5..0621f728e2a 100644 --- a/src/libsyntax/ext/tt/macro_parser.rs +++ b/src/libsyntax/ext/tt/macro_parser.rs @@ -471,7 +471,6 @@ fn inner_parse_loop( // 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. else if item.seq_op != Some(quoted::KleeneOp::ZeroOrOne) { - // we don't need a separator item.match_cur = item.match_lo; item.idx = 0; cur_items.push(item); diff --git a/src/libsyntax/ext/tt/quoted.rs b/src/libsyntax/ext/tt/quoted.rs index bde1010b523..982b60b81e4 100644 --- a/src/libsyntax/ext/tt/quoted.rs +++ b/src/libsyntax/ext/tt/quoted.rs @@ -173,6 +173,8 @@ impl TokenTree { /// `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. /// - `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 /// @@ -242,6 +244,8 @@ pub fn parse( /// converting `tree` /// - `expect_matchers`: same as for `parse` (see above). /// - `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>( tree: tokenstream::TokenTree, trees: &mut Peekable<I>, |