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| author | Joseph Myers <joseph@codesourcery.com> | 2009-04-18 18:36:28 +0100 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2009-04-18 18:36:28 +0100 |
| commit | c7f9c0b9835fc77208bddffec0ba71d33fb425fa (patch) | |
| tree | 59684b555702b1b2456e3b64f86fd190e1b48332 /libcpp/line-map.c | |
| parent | b8add5942c0ce71990233b594d5f0bdec31d73c8 (diff) | |
| download | gcc-c7f9c0b9835fc77208bddffec0ba71d33fb425fa.zip gcc-c7f9c0b9835fc77208bddffec0ba71d33fb425fa.tar.gz gcc-c7f9c0b9835fc77208bddffec0ba71d33fb425fa.tar.bz2 | |
re PR preprocessor/39646 (__FILE__ breaks for empty file name)
libcpp:
PR preprocessor/39646
* include/line-map.h (enum lc_reason): Add LC_RENAME_VERBATIM.
* line-map.c (linemap_add): Handle LC_RENAME_VERBATIM.
* directives.c (do_line, do_linemarker): Use LC_RENAME_VERBATIM in
place of LC_RENAME.
gcc/testsuite:
* gcc.dg/cpp/line8.c: New test.
From-SVN: r146319
Diffstat (limited to 'libcpp/line-map.c')
| -rw-r--r-- | libcpp/line-map.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libcpp/line-map.c b/libcpp/line-map.c index cce699f..553cc2a 100644 --- a/libcpp/line-map.c +++ b/libcpp/line-map.c @@ -109,9 +109,12 @@ linemap_add (struct line_maps *set, enum lc_reason reason, map = &set->maps[set->used]; - if (to_file && *to_file == '\0') + if (to_file && *to_file == '\0' && reason != LC_RENAME_VERBATIM) to_file = "<stdin>"; + if (reason == LC_RENAME_VERBATIM) + reason = LC_RENAME; + /* If we don't keep our line maps consistent, we can easily segfault. Don't rely on the client to do it for us. */ if (set->depth == 0) |