libsyntax: De-`@mut` `TtReader::repeat_len`
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@ -37,7 +37,7 @@ pub struct TtReader {
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/* for MBE-style macro transcription */
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priv interpolations: RefCell<HashMap<Ident, @named_match>>,
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priv repeat_idx: RefCell<~[uint]>,
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repeat_len: ~[uint],
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priv repeat_len: RefCell<~[uint]>,
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/* cached: */
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cur_tok: Token,
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cur_span: Span
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@ -64,7 +64,7 @@ pub fn new_tt_reader(sp_diag: @mut SpanHandler,
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Some(x) => RefCell::new(x),
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},
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repeat_idx: RefCell::new(~[]),
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repeat_len: ~[],
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repeat_len: RefCell::new(~[]),
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/* dummy values, never read: */
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cur_tok: EOF,
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cur_span: DUMMY_SP
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@ -189,7 +189,8 @@ pub fn tt_next_token(r: &mut TtReader) -> TokenAndSpan {
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/* done with this set; pop or repeat? */
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if ! r.stack.dotdotdoted || {
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let repeat_idx = r.repeat_idx.borrow();
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*repeat_idx.get().last() == *r.repeat_len.last() - 1
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let repeat_len = r.repeat_len.borrow();
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*repeat_idx.get().last() == *repeat_len.get().last() - 1
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} {
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match r.stack.up {
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@ -201,8 +202,9 @@ pub fn tt_next_token(r: &mut TtReader) -> TokenAndSpan {
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if r.stack.dotdotdoted {
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{
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let mut repeat_idx = r.repeat_idx.borrow_mut();
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let mut repeat_len = r.repeat_len.borrow_mut();
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repeat_idx.get().pop();
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r.repeat_len.pop();
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repeat_len.get().pop();
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}
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}
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@ -275,7 +277,8 @@ pub fn tt_next_token(r: &mut TtReader) -> TokenAndSpan {
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} else {
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{
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let mut repeat_idx = r.repeat_idx.borrow_mut();
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r.repeat_len.push(len);
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let mut repeat_len = r.repeat_len.borrow_mut();
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repeat_len.get().push(len);
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repeat_idx.get().push(0u);
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r.stack = @mut TtFrame {
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forest: tts,
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