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Fix typo in numeric-label-parsing loop.

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This commit is contained in:
Graydon Hoare 2010-11-25 16:53:17 -08:00
parent f0abe8f568
commit 416d9bc0fd
1 changed files with 11 additions and 4 deletions
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15
src/comp/middle/typeck.rs
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@ -408,18 +408,25 @@ fn field_num(session.session sess, &span sp, &ast.ident id) -> uint {
let uint i = 0u; let uint i = 0u;
for (u8 c in id) { for (u8 c in id) {
if (i == 0u) { if (i == 0u) {
if (c != '_' as u8) { if (c != ('_' as u8)) {
sess.span_err(sp, "bad numeric field on tuple"); sess.span_err(sp,
"bad numeric field on tuple: "
+ "missing leading underscore");
} }
} else { } else {
i += 1u;
if (('0' as u8) <= c && c <= ('9' as u8)) { if (('0' as u8) <= c && c <= ('9' as u8)) {
accum *= 10u; accum *= 10u;
accum += (c as uint) - ('0' as uint); accum += (c as uint) - ('0' as uint);
} else { } else {
sess.span_err(sp, "bad numeric field on tuple"); auto s = "";
s += c;
sess.span_err(sp,
"bad numeric field on tuple: "
+ " non-digit character: "
+ s);
} }
} }
i += 1u;
} }
ret accum; ret accum;
} }