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authorArnaud Charlet <charlet@gcc.gnu.org>2012-12-05 12:11:28 +0100
committerArnaud Charlet <charlet@gcc.gnu.org>2012-12-05 12:11:28 +0100
commitaf31bd57502fd7fef4891658c74cb5fdb3c160e4 (patch)
treec8dd05dbdd00dad1308438f3cbe9bce27eadebaf /gcc/ada/par-ch5.adb
parent7b55fea6d7c6e40c769d04fc4ed42d6c556941df (diff)
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[multiple changes]
2012-12-05 Robert Dewar <dewar@adacore.com> * atree.ads, par-ch4.adb, sem_attr.adb, sem_ch13.adb: Minor reformatting. 2012-12-05 Eric Botcazou <ebotcazou@adacore.com> * gnat_ugn.texi (Switches for gcc): Document -flto and reorder. 2012-12-05 Ed Schonberg <schonberg@adacore.com> * par-ch5.adb (P_Condition): Handle properly Ada 2012 expressions that must be parenthesized before checking for redundant parentheses when that check is enabled. From-SVN: r194210
Diffstat (limited to 'gcc/ada/par-ch5.adb')
-rw-r--r--gcc/ada/par-ch5.adb20
1 files changed, 14 insertions, 6 deletions
diff --git a/gcc/ada/par-ch5.adb b/gcc/ada/par-ch5.adb
index e86f01c..d6d6b2f 100644
--- a/gcc/ada/par-ch5.adb
+++ b/gcc/ada/par-ch5.adb
@@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
--- Copyright (C) 1992-2011, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2012, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
@@ -1276,13 +1276,21 @@ package body Ch5 is
return Cond;
- -- Otherwise check for redundant parens
+ -- Otherwise check for redundant parentheses
+
+ -- If the condition is a conditional or a quantified expression, it is
+ -- parenthesized in the context of a condition, because of a separate
+ -- syntax rule.
else
- if Style_Check
- and then Paren_Count (Cond) > 0
- then
- Style.Check_Xtra_Parens (First_Sloc (Cond));
+ if Style_Check and then Paren_Count (Cond) > 0 then
+ if not Nkind_In (Cond, N_If_Expression,
+ N_Case_Expression,
+ N_Quantified_Expression)
+ or else Paren_Count (Cond) > 1
+ then
+ Style.Check_Xtra_Parens (First_Sloc (Cond));
+ end if;
end if;
-- And return the result