diff options
Diffstat (limited to 'gcc/ada/sem_ch10.adb')
| -rw-r--r-- | gcc/ada/sem_ch10.adb | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/gcc/ada/sem_ch10.adb b/gcc/ada/sem_ch10.adb index 323afa4d62c..4fdf9a9a4ca 100644 --- a/gcc/ada/sem_ch10.adb +++ b/gcc/ada/sem_ch10.adb @@ -77,6 +77,7 @@ package body Sem_Ch10 is -- in a limited_with clause. If the package was not previously analyzed -- then it also performs a basic decoration of the real entities; this -- is required to do not pass non-decorated entities to the back-end. + -- Implements Ada0Y (AI-50217). procedure Check_Body_Needed_For_SAL (Unit_Name : Entity_Id); -- Check whether the source for the body of a compilation unit must @@ -95,11 +96,12 @@ package body Sem_Ch10 is -- and not in an inner frame. procedure Expand_Limited_With_Clause (Nam : Node_Id; N : Node_Id); - -- if a child unit appears in a limited_with clause, there are implicit + -- If a child unit appears in a limited_with clause, there are implicit -- limited_with clauses on all parents that are not already visible -- through a regular with clause. This procedure creates the implicit -- limited with_clauses for the parents and loads the corresponding units. -- The shadow entities are created when the inserted clause is analyzed. + -- Implements Ada0Y (AI-50217). procedure Expand_With_Clause (Nam : Node_Id; N : Node_Id); -- When a child unit appears in a context clause, the implicit withs on @@ -127,11 +129,11 @@ package body Sem_Ch10 is procedure Install_Limited_Context_Clauses (N : Node_Id); -- Subsidiary to Install_Context. Process only limited with_clauses - -- for current unit. + -- for current unit. Implements Ada0Y (AI-50217). procedure Install_Limited_Withed_Unit (N : Node_Id); -- Place shadow entities for a limited_with package in the visibility - -- structures for the current compilation. + -- structures for the current compilation. Implements Ada0Y (AI-50217). procedure Install_Withed_Unit (With_Clause : Node_Id); -- If the unit is not a child unit, make unit immediately visible. @@ -174,7 +176,7 @@ package body Sem_Ch10 is procedure Remove_Limited_With_Clause (N : Node_Id); -- Remove from visibility the shadow entities introduced for a package - -- mentioned in a limited_with clause. + -- mentioned in a limited_with clause. Implements Ada0Y (AI-50217). procedure Remove_Parents (Lib_Unit : Node_Id); -- Remove_Parents checks if Lib_Unit is a child spec. If so then the parent @@ -611,6 +613,9 @@ package body Sem_Ch10 is begin Item := First (Context_Items (N)); while Present (Item) loop + + -- Ada0Y (AI-50217): Do not consider limited-withed units + if Nkind (Item) = N_With_Clause and then not Implicit_With (Item) and then not Limited_Present (Item) @@ -788,8 +793,8 @@ package body Sem_Ch10 is -- Loop through context items. This is done is three passes: -- a) The first pass analyze non-limited with-clauses. -- b) The second pass add implicit limited_with clauses for - -- the parents of child units. - -- c) The third pass analyzes limited_with clauses. + -- the parents of child units (Ada0Y: AI-50217) + -- c) The third pass analyzes limited_with clauses (Ada0Y: AI-50217) Item := First (Context_Items (N)); while Present (Item) loop @@ -1590,8 +1595,8 @@ package body Sem_Ch10 is begin if Limited_Present (N) then - - -- Build visibility structures but do not analyze unit + -- Ada0Y (AI-50217): Build visibility structures but do not + -- analyze unit Build_Limited_Views (N); return; @@ -4006,8 +4011,9 @@ package body Sem_Ch10 is Unit_Name : Entity_Id; begin - -- We remove the context clauses in two phases: limited-views first - -- and regular-views later (to maintain the stack model). + -- Ada0Y (AI-50217): We remove the context clauses in two phases: + -- limited-views first and regular-views later (to maintain the + -- stack model). -- First Phase: Remove limited_with context clauses |
