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| author | Neil Booth <neil@daikokuya.demon.co.uk> | 2001-08-05 21:31:30 +0000 |
|---|---|---|
| committer | Neil Booth <neil@gcc.gnu.org> | 2001-08-05 21:31:30 +0000 |
| commit | 6604e6f38d99e2e38f997d3ddb56a8fef06818b2 (patch) | |
| tree | ba4516faab4daa3b5f2b20d3f9b83a34c0baede5 /gcc/line-map.c | |
| parent | 67821e3a9e007c34a85bbc3b934031b57eafc903 (diff) | |
| download | gcc-6604e6f38d99e2e38f997d3ddb56a8fef06818b2.zip gcc-6604e6f38d99e2e38f997d3ddb56a8fef06818b2.tar.gz gcc-6604e6f38d99e2e38f997d3ddb56a8fef06818b2.tar.bz2 | |
re PR preprocessor/3824 (With -traditional, CPP 0xffffffff > 0 but C 0xffffffff < 0)
PR preprocessor/3824
* line-map.c: Update comments.
* line-map.h: Update comments.
* tradcif.y: Don't consider large numbers unsigned.
* gcc.dg/cpp/tr-sign.c: New testcase.
From-SVN: r44651
Diffstat (limited to 'gcc/line-map.c')
| -rw-r--r-- | gcc/line-map.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/line-map.c b/gcc/line-map.c index a67191d..27bcf2f 100644 --- a/gcc/line-map.c +++ b/gcc/line-map.c @@ -93,7 +93,10 @@ add_line_map (set, reason, from_line, to_file, to_line) return map; } -/* Translate a logical line number into a (source file, line) pair. */ +/* Given a logical line, returns the map from which the corresponding + (source file, line) pair can be deduced. Since the set is built + chronologically, the logical lines are monotonic increasing, and so + the list is sorted and we can use a binary search. */ struct line_map * lookup_line (set, line) |