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| author | Jakub Jelinek <jakub@redhat.com> | 2021-11-17 17:31:40 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2021-11-17 17:31:40 +0100 |
| commit | 049f0efeaa77b43a508172161ca040feb6bb5622 (patch) | |
| tree | ede32552574c9f51489803abf5e0add7258ca92d | |
| parent | dd159a4167ca19b5ff26e7156333c88e854943bf (diff) | |
| download | gcc-049f0efeaa77b43a508172161ca040feb6bb5622.zip gcc-049f0efeaa77b43a508172161ca040feb6bb5622.tar.gz gcc-049f0efeaa77b43a508172161ca040feb6bb5622.tar.bz2 | |
libcpp: Fix up handling of block comments in -fdirectives-only mode [PR103130]
Normal preprocessing, -fdirectives-only preprocessing before the Nathan's
rewrite, and all other compilers I've tried on godbolt treat even \*/
as end of a block comment, but the new -fdirectives-only handling doesn't.
2021-11-17 Jakub Jelinek <jakub@redhat.com>
PR preprocessor/103130
* lex.c (cpp_directive_only_process): Treat even \*/ as end of block
comment.
* c-c++-common/cpp/dir-only-9.c: New test.
| -rw-r--r-- | gcc/testsuite/c-c++-common/cpp/dir-only-9.c | 13 | ||||
| -rw-r--r-- | libcpp/lex.c | 2 |
2 files changed, 14 insertions, 1 deletions
diff --git a/gcc/testsuite/c-c++-common/cpp/dir-only-9.c b/gcc/testsuite/c-c++-common/cpp/dir-only-9.c new file mode 100644 index 0000000..d11cd97 --- /dev/null +++ b/gcc/testsuite/c-c++-common/cpp/dir-only-9.c @@ -0,0 +1,13 @@ +/* PR preprocessor/103130 */ +/* { dg-do preprocess } */ +/* { dg-options -fdirectives-only } */ + +/*\ + * this is a comment +\*/ + +int +main () +{ + return 0; +} diff --git a/libcpp/lex.c b/libcpp/lex.c index 6a4fbce..8188e33 100644 --- a/libcpp/lex.c +++ b/libcpp/lex.c @@ -4891,7 +4891,7 @@ cpp_directive_only_process (cpp_reader *pfile, break; case '*': - if (pos > peek && !esc) + if (pos > peek) star = is_block; esc = false; break; |