diff options
Diffstat (limited to 'src/libsyntax')
| -rw-r--r-- | src/libsyntax/parse/parser.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs index 46a8960c3be..4bc8be599ad 100644 --- a/src/libsyntax/parse/parser.rs +++ b/src/libsyntax/parse/parser.rs @@ -125,7 +125,11 @@ enum ItemOrViewItem { IoviViewItem(ViewItem) } -/* The expr situation is not as complex as I thought it would be. + +// Possibly accept an `INTERPOLATED` expression (a pre-parsed expression +// dropped into the token stream, which happens while parsing the +// result of macro expansion) +/* Placement of these is not as complex as I feared it would be. The important thing is to make sure that lookahead doesn't balk at INTERPOLATED tokens */ macro_rules! maybe_whole_expr ( @@ -156,6 +160,7 @@ macro_rules! maybe_whole_expr ( ) ) +// As above, but for things other than expressions macro_rules! maybe_whole ( ($p:expr, $constructor:ident) => ( { |