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libsyntax: De-`@mut` `TtFrame`

This commit is contained in:
Patrick Walton 2013-12-27 15:11:45 -08:00
parent a7f7482e79
commit d347d5a762
1 changed files with 7 additions and 7 deletions
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14
src/libsyntax/ext/tt/transcribe.rs
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@ -27,13 +27,13 @@ struct TtFrame {
idx: Cell<uint>,
dotdotdoted: bool,
sep: Option<Token>,
up: Option<@mut TtFrame>,
up: Option<@TtFrame>,
}
pub struct TtReader {
sp_diag: @SpanHandler,
// the unzipped tree:
priv stack: RefCell<@mut TtFrame>,
priv stack: RefCell<@TtFrame>,
/* for MBE-style macro transcription */
priv interpolations: RefCell<HashMap<Ident, @named_match>>,
priv repeat_idx: RefCell<~[uint]>,
@ -52,7 +52,7 @@ pub fn new_tt_reader(sp_diag: @SpanHandler,
-> @TtReader {
let r = @TtReader {
sp_diag: sp_diag,
stack: RefCell::new(@mut TtFrame {
stack: RefCell::new(@TtFrame {
forest: @src,
idx: Cell::new(0u),
dotdotdoted: false,
@ -73,8 +73,8 @@ pub fn new_tt_reader(sp_diag: @SpanHandler,
return r;
}
fn dup_tt_frame(f: @mut TtFrame) -> @mut TtFrame {
@mut TtFrame {
fn dup_tt_frame(f: @TtFrame) -> @TtFrame {
@TtFrame {
forest: @(*f.forest).clone(),
idx: f.idx.clone(),
dotdotdoted: f.dotdotdoted,
@ -233,7 +233,7 @@ pub fn tt_next_token(r: &TtReader) -> TokenAndSpan {
// XXX(pcwalton): Bad copy.
match r.stack.get().forest[r.stack.get().idx.get()].clone() {
tt_delim(tts) => {
r.stack.set(@mut TtFrame {
r.stack.set(@TtFrame {
forest: tts,
idx: Cell::new(0u),
dotdotdoted: false,
@ -280,7 +280,7 @@ pub fn tt_next_token(r: &TtReader) -> TokenAndSpan {
let mut repeat_len = r.repeat_len.borrow_mut();
repeat_len.get().push(len);
repeat_idx.get().push(0u);
r.stack.set(@mut TtFrame {
r.stack.set(@TtFrame {
forest: tts,
idx: Cell::new(0u),
dotdotdoted: true,