diff options
Diffstat (limited to 'gcc/ada')
| -rw-r--r-- | gcc/ada/rtsfind.adb | 41 | ||||
| -rw-r--r-- | gcc/ada/sem_ch6.adb | 2 |
2 files changed, 31 insertions, 12 deletions
diff --git a/gcc/ada/rtsfind.adb b/gcc/ada/rtsfind.adb index 4b8e89e..278797f 100644 --- a/gcc/ada/rtsfind.adb +++ b/gcc/ada/rtsfind.adb @@ -1023,6 +1023,13 @@ package body Rtsfind is U : RT_Unit_Table_Record renames RT_Unit_Table (U_Id); Priv_Par : constant Elist_Id := New_Elmt_List; Lib_Unit : Node_Id; + Saved_GM : constant Ghost_Mode_Type := Ghost_Mode; + Saved_IGR : constant Node_Id := Ignored_Ghost_Region; + Saved_ISMP : constant Boolean := + Ignore_SPARK_Mode_Pragmas_In_Instance; + Saved_SM : constant SPARK_Mode_Type := SPARK_Mode; + Saved_SMP : constant Node_Id := SPARK_Mode_Pragma; + -- Save Ghost and SPARK mode-related data to restore on exit procedure Save_Private_Visibility; -- If the current unit is the body of child unit or the spec of a @@ -1034,6 +1041,9 @@ package body Rtsfind is procedure Restore_Private_Visibility; -- Restore the visibility of ancestors after compiling RTU + procedure Restore_SPARK_Context; + -- Restore Ghost and SPARK mode-related data saved on procedure entry + -------------------------------- -- Restore_Private_Visibility -- -------------------------------- @@ -1075,15 +1085,16 @@ package body Rtsfind is end loop; end Save_Private_Visibility; - -- Local variables + --------------------------- + -- Restore_SPARK_Context -- + --------------------------- - Saved_GM : constant Ghost_Mode_Type := Ghost_Mode; - Saved_IGR : constant Node_Id := Ignored_Ghost_Region; - Saved_ISMP : constant Boolean := - Ignore_SPARK_Mode_Pragmas_In_Instance; - Saved_SM : constant SPARK_Mode_Type := SPARK_Mode; - Saved_SMP : constant Node_Id := SPARK_Mode_Pragma; - -- Save Ghost and SPARK mode-related data to restore on exit + procedure Restore_SPARK_Context is + begin + Ignore_SPARK_Mode_Pragmas_In_Instance := Saved_ISMP; + Restore_Ghost_Region (Saved_GM, Saved_IGR); + Restore_SPARK_Mode (Saved_SM, Saved_SMP); + end Restore_SPARK_Context; -- Start of processing for Load_RTU @@ -1195,9 +1206,17 @@ package body Rtsfind is Set_Is_Potentially_Use_Visible (U.Entity, True); end if; - Ignore_SPARK_Mode_Pragmas_In_Instance := Saved_ISMP; - Restore_Ghost_Region (Saved_GM, Saved_IGR); - Restore_SPARK_Mode (Saved_SM, Saved_SMP); + Restore_SPARK_Context; + + exception + -- The Load_Fail procedure that is called when the result of Load_Unit + -- is not satisfactory raises an exception. As the compiler is able to + -- recover in some cases (i.e. when RE_Not_Available is raised), we need + -- to restore the SPARK/Ghost context correctly. + + when others => + Restore_SPARK_Context; + raise; end Load_RTU; -------------------- diff --git a/gcc/ada/sem_ch6.adb b/gcc/ada/sem_ch6.adb index 992688c..48b363e 100644 --- a/gcc/ada/sem_ch6.adb +++ b/gcc/ada/sem_ch6.adb @@ -2277,7 +2277,7 @@ package body Sem_Ch6 is Mask_Types : Elist_Id := No_Elist; Prot_Typ : Entity_Id := Empty; Spec_Decl : Node_Id := Empty; - Spec_Id : Entity_Id; + Spec_Id : Entity_Id := Empty; Last_Real_Spec_Entity : Entity_Id := Empty; -- When we analyze a separate spec, the entity chain ends up containing |