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Remove unused argument from nameize.

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Also makes nameize non-public since it's only locally used.
This commit is contained in:
Mark-Simulacrum 2016-11-07 19:16:14 -07:00
parent 568874bc10
commit 7221b07a07
1 changed files with 6 additions and 6 deletions
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12
src/libsyntax/ext/tt/macro_parser.rs
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@ -200,20 +200,20 @@ pub enum NamedMatch {
MatchedNonterminal(Rc<Nonterminal>)
}
pub fn nameize(p_s: &ParseSess, ms: &[TokenTree], res: &[Rc<NamedMatch>])
fn nameize(ms: &[TokenTree], res: &[Rc<NamedMatch>])
-> ParseResult<HashMap<Ident, Rc<NamedMatch>>> {
fn n_rec(p_s: &ParseSess, m: &TokenTree, res: &[Rc<NamedMatch>],
fn n_rec(m: &TokenTree, res: &[Rc<NamedMatch>],
ret_val: &mut HashMap<Ident, Rc<NamedMatch>>, idx: &mut usize)
-> Result<(), (syntax_pos::Span, String)> {
match *m {
TokenTree::Sequence(_, ref seq) => {
for next_m in &seq.tts {
n_rec(p_s, next_m, res, ret_val, idx)?
n_rec(next_m, res, ret_val, idx)?
}
}
TokenTree::Delimited(_, ref delim) => {
for next_m in &delim.tts {
n_rec(p_s, next_m, res, ret_val, idx)?;
n_rec(next_m, res, ret_val, idx)?;
}
}
TokenTree::Token(sp, MatchNt(bind_name, _)) => {
@ -239,7 +239,7 @@ fn n_rec(p_s: &ParseSess, m: &TokenTree, res: &[Rc<NamedMatch>],
let mut ret_val = HashMap::new();
let mut idx = 0;
for m in ms {
match n_rec(p_s, m, res, &mut ret_val, &mut idx) {
match n_rec(m, res, &mut ret_val, &mut idx) {
Ok(_) => {},
Err((sp, msg)) => return Error(sp, msg),
}
@ -425,7 +425,7 @@ pub fn parse(sess: &ParseSess, rdr: TtReader, ms: &[TokenTree]) -> NamedParseRes
if eof_eis.len() == 1 {
let v = eof_eis[0].matches.iter_mut()
.map(|dv| dv.pop().unwrap()).collect::<Vec<_>>();
return nameize(sess, ms, &v[..]);
return nameize(ms, &v[..]);
} else if eof_eis.len() > 1 {
return Error(parser.span, "ambiguity: multiple successful parses".to_string());
} else {