From 88272a4f2421fdf095ee3573517ce6d9f654fedc Mon Sep 17 00:00:00 2001 From: Brian Anderson Date: Wed, 25 Sep 2013 17:56:54 -0700 Subject: Add 'continue' as a synonym for 'loop' --- src/libsyntax/parse/parser.rs | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'src/libsyntax/parse/parser.rs') diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs index 74447b5dae1..d9fb53b4677 100644 --- a/src/libsyntax/parse/parser.rs +++ b/src/libsyntax/parse/parser.rs @@ -1786,6 +1786,17 @@ impl Parser { } } else if self.eat_keyword(keywords::Loop) { return self.parse_loop_expr(None); + } else if self.eat_keyword(keywords::Continue) { + let lo = self.span.lo; + let ex = if self.token_is_lifetime(&*self.token) { + let lifetime = self.get_lifetime(&*self.token); + self.bump(); + ExprAgain(Some(lifetime.name)) + } else { + ExprAgain(None) + }; + let hi = self.span.hi; + return self.mk_expr(lo, hi, ex); } else if self.eat_keyword(keywords::Match) { return self.parse_match_expr(); } else if self.eat_keyword(keywords::Unsafe) { @@ -2578,6 +2589,7 @@ impl Parser { return self.mk_expr(lo, hi, ExprLoop(body, opt_ident)); } else { // This is a 'continue' expression + // FIXME #9467 rm support for 'loop' here after snapshot if opt_ident.is_some() { self.span_err(*self.last_span, "a label may not be used with a `loop` expression"); -- cgit 1.4.1-3-g733a5