diff options
Diffstat (limited to 'src/libsyntax')
| -rw-r--r-- | src/libsyntax/feature_gate.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs index 9231d4ad659..13b7944998a 100644 --- a/src/libsyntax/feature_gate.rs +++ b/src/libsyntax/feature_gate.rs @@ -78,6 +78,8 @@ static KNOWN_FEATURES: &'static [(&'static str, Status)] = &[ ("while_let", Accepted), ("plugin", Active), + ("start", Active), + ("main", Active), // A temporary feature gate used to enable parser extensions needed // to bootstrap fix for #5723. @@ -279,6 +281,18 @@ impl<'a, 'v> Visitor<'v> for PostExpansionVisitor<'a> { self.gate_feature("plugin_registrar", i.span, "compiler plugins are experimental and possibly buggy"); } + if attr::contains_name(&i.attrs[], "start") { + self.gate_feature("start", i.span, + "a #[start] function is an experimental \ + feature whose signature may change \ + over time"); + } + if attr::contains_name(&i.attrs[], "main") { + self.gate_feature("main", i.span, + "declaration of a nonstandard #[main] \ + function may change over time, for now \ + a top-level `fn main()` is required"); + } } ast::ItemStruct(..) => { |