[Ada] Minor reformatting

2018-05-24  Hristian Kirtchev  <kirtchev@adacore.com>

gcc/ada/

	* exp_ch7.adb, sem_ch3.adb, sem_res.adb: Minor reformatting.

From-SVN: r260658

gcc/ada/ChangeLog

+2018-05-24  Hristian Kirtchev  <kirtchev@adacore.com>
+
+	* exp_ch7.adb, sem_ch3.adb, sem_res.adb: Minor reformatting.
+
 2018-05-24  Ed Schonberg  <schonberg@adacore.com>
 
 	* exp_aggr.adb (Flatten): Add a warning on an others clause in an array

gcc/ada/exp_ch7.adb

@@ -1781,15 +1781,20 @@ package body Exp_Ch7 is
 
          if Present (Mark_Id) then
             declare
-               Release : Node_Id :=
-                 Build_SS_Release_Call (Loc, Mark_Id);
+               Release : Node_Id := Build_SS_Release_Call (Loc, Mark_Id);
+
             begin
-               --  If this is a build-in-place function, then we need to
-               --  release the secondary stack, unless we are returning on the
-               --  secondary stack. We wrap the release call in:
-               --    if BIP_Alloc_Form /= Secondary_Stack then ...
-               --  If we are returning on the secondary stack, then releasing
-               --  is the caller's responsibility (or caller's caller, or ...).
+               --  If the context is a build-in-place function, the secondary
+               --  stack must be released, unless the build-in-place function
+               --  itself is returning on the secondary stack. Generate:
+               --
+               --    if BIP_Alloc_Form /= Secondary_Stack then
+               --       SS_Release (Mark_Id);
+               --    end if;
+               --
+               --  Note that if the function returns on the secondary stack,
+               --  then the responsibility of reclaiming the space is always
+               --  left to the caller (recursively if needed).
 
                if Nkind (N) = N_Subprogram_Body then
                   declare
@@ -1802,7 +1807,7 @@ package body Exp_Ch7 is
                      if BIP_SS then
                         Release :=
                           Make_If_Statement (Loc,
-                            Condition =>
+                            Condition       =>
                               Make_Op_Ne (Loc,
                                 Left_Opnd  =>
                                   New_Occurrence_Of
@@ -1810,8 +1815,9 @@ package body Exp_Ch7 is
                                       (Spec_Id, BIP_Alloc_Form), Loc),
                                 Right_Opnd =>
                                   Make_Integer_Literal (Loc,
-                                    UI_From_Int (BIP_Allocation_Form'Pos
-                                                   (Secondary_Stack)))),
+                                    UI_From_Int
+                                      (BIP_Allocation_Form'Pos
+                                        (Secondary_Stack)))),
 
                             Then_Statements => New_List (Release));
                      end if;

gcc/ada/sem_ch3.adb

@@ -7862,7 +7862,7 @@ package body Sem_Ch3 is
 
          if Present (Full_View (Parent_Type))
            and then not Is_Itype (Derived_Type)
-           and then not (Is_Concurrent_Type (Full_View (Parent_Type)))
+           and then not Is_Concurrent_Type (Full_View (Parent_Type))
          then
             declare
                Der_Base   : constant Entity_Id := Base_Type (Derived_Type);
@@ -13444,7 +13444,7 @@ package body Sem_Ch3 is
          if Is_Itype (Def_Id) and then Has_Predicates (T) then
             Inherit_Predicate_Flags (Def_Id, T);
 
-            --  Indicate where the predicate function may be found.
+            --  Indicate where the predicate function may be found
 
             if Is_Itype (T) then
                if Present (Predicate_Function (Def_Id)) then
@@ -21759,7 +21759,7 @@ package body Sem_Ch3 is
          if Has_Predicates (Subtype_Mark_Id) then
             Inherit_Predicate_Flags (Def_Id, Subtype_Mark_Id);
 
-            --  Indicate where the predicate function may be found.
+            --  Indicate where the predicate function may be found
 
             if No (Predicate_Function (Def_Id)) then
                Set_Predicated_Parent (Def_Id, Subtype_Mark_Id);

gcc/ada/sem_res.adb

@@ -7293,9 +7293,9 @@ package body Sem_Res is
          end if;
       end if;
 
-      --  We may be resolving an entity within expanded code, so a reference
-      --  to an entity should be ignored when calculating effective use clauses
-      --  to avoid inappropriate marking.
+      --  We may be resolving an entity within expanded code, so a reference to
+      --  an entity should be ignored when calculating effective use clauses to
+      --  avoid inappropriate marking.
 
       if Comes_From_Source (N) then
          Mark_Use_Clauses (E);