bjoernager/rust
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Fix bad line printing for parse errors

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The code that extracted lines from partially-parsed files
was broken.

Closes #1848
This commit is contained in:
Marijn Haverbeke 2012-02-15 10:19:51 +01:00
parent 6627890f6b
commit 9ff5ba085d
3 changed files with 20 additions and 12 deletions
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14
src/libcore/str.rs
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@ -68,6 +68,7 @@ export
// Searching
index,
byte_index,
rindex,
find,
find_bytes,
@ -852,6 +853,19 @@ fn index(ss: str, cc: char) -> option<uint> {
ret option::none;
}
// Function: byte_index
//
// Returns the index of the first matching byte
// (as option some/none)
fn byte_index(s: str, b: u8, start: uint) -> option<uint> {
let i = start, l = len_bytes(s);
while i < l {
if s[i] == b { ret some(i); }
i += 1u;
}
ret none;
}
// Function: rindex
//
// Returns the index of the first matching char