OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[Ada] Clarify meaning of local pragma Warnings Off without On

Browse Source 
A local use of pragma Warnings Off to suppress specific messages, when
not followed by a matching pragma Warnings On, extends until the end of
the file.

2018-05-23  Yannick Moy  <moy@adacore.com>

gcc/ada/

	* doc/gnat_rm/implementation_defined_pragmas.rst: Clarify meaning of
	local pragma Warnings Off without On.
	* gnat_rm.texi: Regenerate.

From-SVN: r260589
This commit is contained in:
Yannick Moy 2018-05-23 10:23:14 +00:00 committed by Pierre-Marie de Rodat
parent b682fcf0d9
commit 5e1c231ec7
3 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ada/ChangeLog
View File

@ -1,3 +1,9 @@
2018-05-23 Yannick Moy <moy@adacore.com>
* doc/gnat_rm/implementation_defined_pragmas.rst: Clarify meaning of
local pragma Warnings Off without On.
* gnat_rm.texi: Regenerate.
2018-05-23 Olivier Hainque <hainque@adacore.com>
* libgnat/g-excact.ads (Is_Foreign_Exception): New predicate.

4
gcc/ada/doc/gnat_rm/implementation_defined_pragmas.rst
View File

@ -7456,6 +7456,10 @@ In this usage, the pattern string must match in the Off and On
pragmas, and (if *-gnatw.w* is given) at least one matching
warning must be suppressed.
Note: if the ON form is not found, then the effect of the OFF form extends
until the end of the file (pragma Warnings is purely textual, so its effect
does not stop at the end of the enclosing scope).
Note: to write a string that will match any warning, use the string
``"***"``. It will not work to use a single asterisk or two
asterisks since this looks like an operator name. This form with three

4
gcc/ada/gnat_rm.texi
View File

@ -8893,6 +8893,10 @@ In this usage, the pattern string must match in the Off and On
pragmas, and (if @emph{-gnatw.w} is given) at least one matching
warning must be suppressed.
Note: if the ON form is not found, then the effect of the OFF form extends
until the end of the file (pragma Warnings is purely textual, so its effect
does not stop at the end of the enclosing scope).
Note: to write a string that will match any warning, use the string
@code{"***"}. It will not work to use a single asterisk or two
asterisks since this looks like an operator name. This form with three