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librustc: Stop parsing modes and remove them entirely from the language

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This commit is contained in:
Patrick Walton 2013-05-07 14:20:56 -07:00
parent 99daec602f
commit 49a66a5c5a
22 changed files with 78 additions and 73 deletions
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15
src/libsyntax/parse/parser.rs
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@ -390,8 +390,8 @@ pub impl Parser {
// parse a ty_closure type
fn parse_ty_closure(&self,
sigil: ast::Sigil,
region: Option<@ast::Lifetime>) -> ty_
{
region: Option<@ast::Lifetime>)
-> ty_ {
/*
(&|~|@) ['r] [pure|unsafe] [once] fn <'lt> (S) -> T
@ -773,20 +773,17 @@ pub impl Parser {
return ty_rptr(opt_lifetime, mt);
}
// parse an optional mode.
// XXX: Remove after snapshot.
// parse an optional, obsolete argument mode.
fn parse_arg_mode(&self) {
if self.eat(&token::BINOP(token::MINUS)) {
self.obsolete(*self.span, ObsoleteMode);
} else if self.eat(&token::ANDAND) {
// Ignore.
self.obsolete(*self.span, ObsoleteMode);
} else if self.eat(&token::BINOP(token::PLUS)) {
if self.eat(&token::BINOP(token::PLUS)) {
// ++ mode is obsolete, but we need a snapshot
// to stop parsing it.
// Ignore.
self.obsolete(*self.span, ObsoleteMode);
} else {
// Ignore.
self.obsolete(*self.span, ObsoleteMode);
}
} else {
// Ignore.