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Convert portions of rustc to istrs. Recover a lot of performance.

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Issue #855
This commit is contained in:
Brian Anderson 2011-08-24 22:13:16 -07:00
parent fcc031c5b4
commit b2408d57f0
8 changed files with 66 additions and 60 deletions
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6
src/comp/util/ppaux.rs
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@ -147,13 +147,13 @@ fn ty_to_str(cx: &ctxt, typ: &t) -> str {
ty_param(id, _) {
"'" + str::unsafe_from_bytes([('a' as u8) + (id as u8)])
}
_ { ty_to_short_str(cx, typ) }
_ { istr::to_estr(ty_to_short_str(cx, typ)) }
}
}
fn ty_to_short_str(cx: &ctxt, typ: t) -> str {
fn ty_to_short_str(cx: &ctxt, typ: t) -> istr {
let s = encoder::encoded_ty(cx, typ);
if str::byte_len(s) >= 32u { s = str::substr(s, 0u, 32u); }
if istr::byte_len(s) >= 32u { s = istr::substr(s, 0u, 32u); }
ret s;
}