xeinfo.adb: Remove warnings

2007-12-06  Robert Dewar  <dewar@adacore.com>

	* xeinfo.adb: Remove warnings
	* xnmake.adb: Remove warnings
	* xsinfo.adb: Remove warnings
	* xtreeprs.adb: Remove warnings
	* xsnames.adb: Remove warnings

	* a-ngcoar.adb: Fix typo.
	* s-interr.adb: Minor reformatting
	* env.c: Minor reformatting.
	* g-bytswa.adb: Minor reformatting.
	* g-rannum.ads: Minor documentation improvements
	* s-tasinf-mingw.adb: Minor header fix
	* a-clrefi.adb: Minor reformatting
	* g-sttsne.ads: Minor documentation improvement
	* g-sttsne-locking.ads: Minor documentation improvement
	* g-soliop-solaris.ads: Minor documentation improvement
	* g-soliop-mingw.ads: Minor documentation improvement
	* g-soliop.ads: Minor documentation improvement
	* exp_aggr.ads: Minor reformatting
	* debug.adb: Add documentation for the gprbuild debug flags
	* exp_ch2.adb: Use Nkind_In to simplify code throughout
	* exp_pakd.adb: Minor reformatting

	* g-altive.ads, g-alleve.adb: Remove assertions.
	Add comment about minor differences between targets regarding
	floating-point operations.

	* g-thread.adb: Remove pragma unreferenced.
	* lib.ads: Minor reformatting
	* par-ch9.adb: Minor reformatting of error messages
	* sem_case.adb: Minor reformatting
	* s-fileio.adb: Minor reformattinng
	* s-vmexta.ads: Minor typo
	* vxaddr2line.adb: 
	Take into account 'Success' value as per new GNAT warning.

From-SVN: r130870

1 files changed, 33 insertions, 28 deletions

diff --git a/gcc/ada/xtreeprs.adb b/gcc/ada/xtreeprs.adb
index 13b382a..4d73529 100644
--- a/gcc/ada/xtreeprs.adb
+++ b/gcc/ada/xtreeprs.adb
@@ -59,21 +59,26 @@ procedure XTreeprs is
    Err : exception;
    --  Raised on fatal error
 
-   A          : VString := Nul;
-   Ffield     : VString := Nul;
-   Field      : VString := Nul;
-   Fieldno    : VString := Nul;
-   Flagno     : VString := Nul;
-   Line       : VString := Nul;
-   Name       : VString := Nul;
-   Node       : VString := Nul;
-   Outstring  : VString := Nul;
-   Prefix     : VString := Nul;
-   S          : VString := Nul;
-   S1         : VString := Nul;
-   Syn        : VString := Nul;
-   Synonym    : VString := Nul;
-   Term       : VString := Nul;
+   pragma Warnings (Off);
+   --  Following variables are assigned by * operator
+
+   A         : VString := Nul;
+   Ffield    : VString := Nul;
+   Field     : VString := Nul;
+   Fieldno   : VString := Nul;
+   Flagno    : VString := Nul;
+   Line      : VString := Nul;
+   Name      : VString := Nul;
+   Node      : VString := Nul;
+   Outstring : VString := Nul;
+   Prefix    : VString := Nul;
+   S         : VString := Nul;
+   S1        : VString := Nul;
+   Syn       : VString := Nul;
+   Synonym   : VString := Nul;
+   Term      : VString := Nul;
+
+   pragma Warnings (On);
 
    subtype Sfile is Ada.Streams.Stream_IO.File_Type;
 
@@ -123,19 +128,19 @@ procedure XTreeprs is
    Sp : aliased Natural;
    --  Space left on line for Pchars output
 
-   wsp : Pattern := Span (' ' & ASCII.HT);
-
-   Is_Temp  : Pattern := BreakX ('T') * A & "T e m p l a t e";
-   Get_Node : Pattern := wsp & "--  N_" & Rest * Node;
-   Tst_Punc : Pattern := Break (" ,.");
-   Get_Syn  : Pattern := Span (' ') & "--  " & Break (' ') * Synonym
-                & " (" & Break (')') * Field;
-   Brk_Min  : Pattern := Break ('-') * Ffield;
-   Is_Flag  : Pattern := "Flag" & Rest * Flagno;
-   Is_Field : Pattern := Rtab (1) & Len (1) * Fieldno;
-   Is_Syn   : Pattern := wsp & "N_" & Break (",)") * Syn & Len (1) * Term;
-   Brk_Node : Pattern := Break (' ') * Node & ' ';
-   Chop_SP  : Pattern := Len (Sp'Unrestricted_Access) * S1;
+   wsp      : constant Pattern := Span (' ' & ASCII.HT);
+   Is_Temp  : constant Pattern := BreakX ('T') * A & "T e m p l a t e";
+   Get_Node : constant Pattern := wsp & "--  N_" & Rest * Node;
+   Tst_Punc : constant Pattern := Break (" ,.");
+   Get_Syn  : constant Pattern := Span (' ') & "--  " & Break (' ') * Synonym
+                                  & " (" & Break (')') * Field;
+   Brk_Min  : constant Pattern := Break ('-') * Ffield;
+   Is_Flag  : constant Pattern := "Flag" & Rest * Flagno;
+   Is_Field : constant Pattern := Rtab (1) & Len (1) * Fieldno;
+   Is_Syn   : constant Pattern := wsp & "N_" & Break (",)") * Syn
+                                  & Len (1) * Term;
+   Brk_Node : constant Pattern := Break (' ') * Node & ' ';
+   Chop_SP  : constant Pattern := Len (Sp'Unrestricted_Access) * S1;
 
    M : Match_Result;