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| author | Tom de Vries <tom@codesourcery.com> | 2017-05-23 16:38:31 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2017-05-23 16:38:31 +0000 |
| commit | 1b4b1fc7cab09c63681cd4deeddcb81a4ee90d1b (patch) | |
| tree | b31b285f2dc0168e05cf66b61ea3946b4a10d8d4 | |
| parent | d2db2e6b0563787bcc40c025ae5888020ded364f (diff) | |
| download | gcc-1b4b1fc7cab09c63681cd4deeddcb81a4ee90d1b.zip gcc-1b4b1fc7cab09c63681cd4deeddcb81a4ee90d1b.tar.gz gcc-1b4b1fc7cab09c63681cd4deeddcb81a4ee90d1b.tar.bz2 | |
Document dg-line directive
2017-05-23 Tom de Vries <tom@codesourcery.com>
* doc/sourcebuild.texi (Directives, Verify compiler message): Document
dg-line directive.
From-SVN: r248376
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/doc/sourcebuild.texi | 12 |
2 files changed, 17 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 57849a8..a24c369 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2017-05-23 Tom de Vries <tom@codesourcery.com> + + * doc/sourcebuild.texi (Directives, Verify compiler message): Document + dg-line directive. + 2017-05-23 Jan Hubicka <hubicka@ucw.cz> * cgraphunit.c (symbol_table::process_new_functions): Update. diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi index ab2f8b6..bb5b6b9 100644 --- a/gcc/doc/sourcebuild.texi +++ b/gcc/doc/sourcebuild.texi @@ -1180,6 +1180,18 @@ associated with the bogus message. It is usually used with @samp{xfail} to indicate that the message is a known problem for a particular set of targets. +@item @{ dg-line @var{linenumvar} @} +This DejaGnu directive sets the variable @var{linenumvar} to the line number of +the source line. The variable @var{linenumvar} can then be used in subsequent +@code{dg-error}, @code{dg-warning}, @code{dg-message} and @code{dg-bogus} +directives. For example: + +@smallexample +int a; /* @{ dg-line first_def_a @} */ +float a; /* @{ dg-error "conflicting types of" @} */ +/* @{ dg-message "previous declaration of" "" @{ target *-*-* @} first_def_a @} */ +@end smallexample + @item @{ dg-excess-errors @var{comment} [@{ target/xfail @var{selector} @}] @} This DejaGnu directive indicates that the test is expected to fail due to compiler messages that are not handled by @samp{dg-error}, |