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| author | Nick Clifton <nickc@redhat.com> | 2018-06-15 15:25:16 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@gcc.gnu.org> | 2018-06-15 15:25:16 +0000 |
| commit | 490cced415071d4c2ea5ef9833c4ab61367471eb (patch) | |
| tree | d032e0e439bf1d005b9dede218d85db79cbe223c /gcc/doc/invoke.texi | |
| parent | 7f93abd805763ef3827fce9194b0adcd2419a45c (diff) | |
| download | gcc-490cced415071d4c2ea5ef9833c4ab61367471eb.zip gcc-490cced415071d4c2ea5ef9833c4ab61367471eb.tar.gz gcc-490cced415071d4c2ea5ef9833c4ab61367471eb.tar.bz2 | |
Force user provided warning and error messages to only occupy one line.
PR 84195
gcc: * tree.c (escaped_string): New class. Converts an unescaped
string into its escaped equivalent.
(warn_deprecated_use): Use the new class to convert the
deprecation message, if present.
(test_escaped_strings): New self test.
(test_c_tests): Add test_escaped_strings.
* doc/extend.texi (deprecated): Add a note that the
deprecation message is affected by the -fmessage-length
option, and that control characters will be escaped.
(#pragma GCC error): Document this pragma.
(#pragma GCC warning): Likewise.
* doc/invoke.texi (-fmessage-length): Document this option's
effect on the #warning and #error preprocessor directives and
the deprecated attribute.
testsuite;
* gcc.c-torture/compile/pr84195.c: New test.
From-SVN: r261633
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 940b846..3c279ff 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -3536,6 +3536,11 @@ Try to format error messages so that they fit on lines of about done; each error message appears on a single line. This is the default for all front ends. +Note - this option also affects the display of the @samp{#error} and +@samp{#warning} pre-processor directives, and the @samp{deprecated} +function/type/variable attribute. It does not however affect the +@samp{pragma GCC warning} and @samp{pragma GCC error} pragmas. + @item -fdiagnostics-show-location=once @opindex fdiagnostics-show-location Only meaningful in line-wrapping mode. Instructs the diagnostic messages |