Commit 4e0d20ca by Bob Duff Committed by Arnaud Charlet

gnat_ugn.texi, [...]: Add missing documentation for warnings flags.

2009-05-06  Bob Duff  <duff@adacore.com>

	* gnat_ugn.texi, gnat_rm.texi: Add missing documentation for warnings
	flags.

From-SVN: r147161
parent 11795185
2009-05-06 Bob Duff <duff@adacore.com>
* gnat_ugn.texi, gnat_rm.texi: Add missing documentation for warnings
flags.
2009-05-06 Javier Miranda <miranda@adacore.com>
* sem_aggr.adb (Valid_Ancestor_Type): Add support for C++ constructors.
......
......@@ -5147,6 +5147,8 @@ A turn off all optional warnings
.A turn off warnings for failing assertions
b turn on warnings for bad fixed value (not multiple of small)
B* turn off warnings for bad fixed value (not multiple of small)
.b* turn on warnings for biased representation
.B turn off warnings for biased representation
c turn on warnings for constant conditional
C* turn off warnings for constant conditional
.c turn on warnings for unrepped components
......@@ -5154,6 +5156,7 @@ C* turn off warnings for constant conditional
d turn on warnings for implicit dereference
D* turn off warnings for implicit dereference
e treat all warnings as errors
.e turn on every optional warning
f turn on warnings for unreferenced formal
F* turn off warnings for unreferenced formal
g* turn on warnings for unrecognized pragma
......@@ -5177,6 +5180,8 @@ O turn off warnings for address clause overlay
.O* turn off warnings for out parameters assigned but not read
p turn on warnings for ineffective pragma Inline in frontend
P* turn off warnings for ineffective pragma Inline in frontend
.p turn on warnings for parameter ordering
.P* turn off warnings for parameter ordering
q* turn on warnings for questionable missing parentheses
Q turn off warnings for questionable missing parentheses
r turn on warnings for redundant construct
......@@ -5192,6 +5197,8 @@ v* turn on warnings for unassigned variable
V turn off warnings for unassigned variable
w* turn on warnings for wrong low bound assumption
W turn off warnings for wrong low bound assumption
.w turn on warnings for unnecessary Warnings Off pragmas
.W* turn off warnings for unnecessary Warnings Off pragmas
x* turn on warnings for export/import
X turn off warnings for export/import
.x turn on warnings for non-local exceptions
......
......@@ -3345,11 +3345,12 @@ In this case the components DT inherited from the C++ side must be
initialized by a C++ constructor, and the additional Ada components
of type DT are initialized by GNAT. The initialization of such an
object is done either by default, or by means of a function returning
an aggregate of type DT.
an aggregate of type DT, or by means of an extended aggregate.
@smallexample @c ada
Obj5 : DT;
Obj6 : DT := Function_Returning_DT (50);
Obj7 : DT := (Constructor (30,40) with C_Value => 50);
@end smallexample
The declaration of @code{Obj5} invokes the default constructors: the
......@@ -3381,7 +3382,7 @@ non-default C++ constructors specified for the imported components.
For example:
@smallexample @c ada
Obj7 : Rec2 (40);
Obj8 : Rec2 (40);
@end smallexample
Using Ada 2005 we can use limited aggregates to initialize an object
......@@ -3389,13 +3390,13 @@ invoking C++ constructors that differ from those specified in the type
declarations. For example:
@smallexample @c ada
Obj8 : Rec2 := (Rec => (Data1 => Constructor (15, 16),
Obj9 : Rec2 := (Rec => (Data1 => Constructor (15, 16),
others => <>),
others => <>);
@end smallexample
The above declaration uses an Ada 2005 limited aggregate to
initialize @code{Obj8}, and the C++ constructor that has two integer
initialize @code{Obj9}, and the C++ constructor that has two integer
arguments is invoked to initialize the @code{Data1} component instead
of the constructor specified in the declaration of type @code{Rec1}. In
Ada 2005 the box in the aggregate indicates that unspecified components
......@@ -5489,6 +5490,20 @@ The default is that warnings for redundant constructs are not given.
@cindex @option{-gnatwR} (@command{gcc})
This switch suppresses warnings for redundant constructs.
@item -gnatw.r
@emph{Activate warnings for object renaming function.}
@cindex @option{-gnatw.r} (@command{gcc})
This switch activates warnings for an object renaming that renames a
function call, which is equivalent to a constant declaration (as
opposed to renaming the function itself). The default is that these
warnings are given. This warning can also be turned on using
@option{-gnatwa}.
@item -gnatw.R
@emph{Suppress warnings for object renaming function.}
@cindex @option{-gnatwT} (@command{gcc})
This switch suppresses warnings for object renaming function.
@item -gnatws
@emph{Suppress all warnings.}
@cindex @option{-gnatws} (@command{gcc})
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