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| author | Florian Weimer <fweimer@redhat.com> | 2012-10-04 17:33:11 +0200 |
|---|---|---|
| committer | Florian Weimer <fw@gcc.gnu.org> | 2012-10-04 17:33:11 +0200 |
| commit | f591bd8f507db985a2d194b3b58b5d8b128dce0a (patch) | |
| tree | 3992b4ad76993de282e9b81bbe8d85f5c7834619 /gcc | |
| parent | c62b924434c30cc417df9c1f0bac770e653f0241 (diff) | |
| download | gcc-f591bd8f507db985a2d194b3b58b5d8b128dce0a.zip gcc-f591bd8f507db985a2d194b3b58b5d8b128dce0a.tar.gz gcc-f591bd8f507db985a2d194b3b58b5d8b128dce0a.tar.bz2 | |
Implement #pragma GCC warning/error
2012-10-04 Florian Weimer <fweimer@redhat.com>
* doc/cpp.texi (Pragmas): Document #pragma GCC warning, #pragma
GCC error.
2012-10-04 Florian Weimer <fweimer@redhat.com>
* c-c++-common/cpp/diagnostic-pragma-1.c: New testcase.
2012-10-04 Florian Weimer <fweimer@redhat.com>
* directives.c (do_pragma_warning_or_error): New.
(do_pragma_warning): New.
(do_pragma_error): New.
(_cpp_init_internal_pragmas): Register new pragmas.
From-SVN: r192084
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/doc/cpp.texi | 9 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/c-c++-common/cpp/diagnostic-pragma-1.c | 11 |
4 files changed, 29 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1e030d9..959086c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-10-04 Florian Weimer <fweimer@redhat.com> + + * doc/cpp.texi (Pragmas): Document #pragma GCC warning, #pragma + GCC error. + 2012-10-04 Richard Guenther <rguenther@suse.de> PR middle-end/54735 diff --git a/gcc/doc/cpp.texi b/gcc/doc/cpp.texi index b363db0..fa5989e 100644 --- a/gcc/doc/cpp.texi +++ b/gcc/doc/cpp.texi @@ -3634,6 +3634,15 @@ This pragma takes no arguments. It causes the rest of the code in the current file to be treated as if it came from a system header. @xref{System Headers}. +@item #pragma GCC warning +@itemx #pragma GCC error +@code{#pragma GCC warning "message"} causes the preprocessor to issue +a warning diagnostic with the text @samp{message}. The message +contained in the pragma must be a single string literal. Similarly, +@code{#pragma GCC error "message"} issues an error message. Unlike +the @samp{#warning} and @samp{#error} directives, these pragmas can be +embedded in preprocessor macros using @samp{_Pragma}. + @end ftable @node Other Directives diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 306d277..e058566 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2012-10-04 Florian Weimer <fweimer@redhat.com> + + * c-c++-common/cpp/diagnostic-pragma-1.c: New testcase. + 2012-10-04 Paolo Carlini <paolo.carlini@oracle.com> PR c++/54323 diff --git a/gcc/testsuite/c-c++-common/cpp/diagnostic-pragma-1.c b/gcc/testsuite/c-c++-common/cpp/diagnostic-pragma-1.c new file mode 100644 index 0000000..9867c94 --- /dev/null +++ b/gcc/testsuite/c-c++-common/cpp/diagnostic-pragma-1.c @@ -0,0 +1,11 @@ +// { dg-do compile } + +#pragma GCC warning "warn-a" // { dg-warning warn-a } +#pragma GCC error "err-b" // { dg-error err-b } + +#define CONST1 _Pragma("GCC warning \"warn-c\"") 1 +#define CONST2 _Pragma("GCC error \"err-d\"") 2 + +char a[CONST1]; // { dg-warning warn-c } +char b[CONST2]; // { dg-error err-d } + |