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Reserve the keyword 'macro'

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This commit is contained in:
Keegan McAllister
2015-01-02 13:39:05 -08:00
parent aa69cbde82
commit c9f0ff3813
12 changed files with 55 additions and 39 deletions
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8
src/libsyntax/fold.rs
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@@ -194,13 +194,13 @@ pub trait Folder : Sized {
noop_fold_local(l, self)
}
fn fold_mac(&mut self, _macro: Mac) -> Mac {
fn fold_mac(&mut self, _mac: Mac) -> Mac {
panic!("fold_mac disabled by default");
// NB: see note about macros above.
// if you really want a folder that
// works on macros, use this
// definition in your trait impl:
// fold::noop_fold_mac(_macro, self)
// fold::noop_fold_mac(_mac, self)
}
fn fold_explicit_self(&mut self, es: ExplicitSelf) -> ExplicitSelf {
@@ -1487,8 +1487,8 @@ mod test {
fn fold_ident(&mut self, _: ast::Ident) -> ast::Ident {
token::str_to_ident("zz")
}
fn fold_mac(&mut self, macro: ast::Mac) -> ast::Mac {
fold::noop_fold_mac(macro, self)
fn fold_mac(&mut self, mac: ast::Mac) -> ast::Mac {
fold::noop_fold_mac(mac, self)
}
}