Mercurial > hg > CbC > CbC_gcc
diff gcc/ada/warnsw.adb @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 84e7813d76e9 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/ada/warnsw.adb Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,733 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- W A R N S W -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1999-2017, Free Software Foundation, Inc. -- +-- -- +-- GNAT is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 3, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING3. If not, go to -- +-- http://www.gnu.org/licenses for a complete copy of the license. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +with Err_Vars; use Err_Vars; +with Opt; use Opt; +with Output; use Output; + +package body Warnsw is + + -- Local Subprograms + + procedure All_Warnings (Setting : Boolean); + -- Sets all warnings off if Setting = False, and on if Setting = True + + procedure WA_Warnings; + -- Turn on all warnings set by -gnatwa (also used by -gnatw.g) + + ------------------ + -- All_Warnings -- + ------------------ + + procedure All_Warnings (Setting : Boolean) is + begin + Address_Clause_Overlay_Warnings := Setting; + Check_Unreferenced := Setting; + Check_Unreferenced_Formals := Setting; + Check_Withs := Setting; + Constant_Condition_Warnings := Setting; + Elab_Warnings := Setting; + Implementation_Unit_Warnings := Setting; + Ineffective_Inline_Warnings := Setting; + List_Body_Required_Info := Setting; + List_Inherited_Aspects := Setting; + Warn_On_Ada_2005_Compatibility := Setting; + Warn_On_Ada_2012_Compatibility := Setting; + Warn_On_All_Unread_Out_Parameters := Setting; + Warn_On_Assertion_Failure := Setting; + Warn_On_Assumed_Low_Bound := Setting; + Warn_On_Atomic_Synchronization := Setting; + Warn_On_Bad_Fixed_Value := Setting; + Warn_On_Biased_Representation := Setting; + Warn_On_Constant := Setting; + Warn_On_Deleted_Code := Setting; + Warn_On_Dereference := Setting; + Warn_On_Export_Import := Setting; + Warn_On_Hiding := Setting; + Warn_On_Late_Primitives := Setting; + Warn_On_Modified_Unread := Setting; + Warn_On_No_Value_Assigned := Setting; + Warn_On_Non_Local_Exception := Setting; + Warn_On_Object_Renames_Function := Setting; + Warn_On_Obsolescent_Feature := Setting; + Warn_On_Overlap := Setting; + Warn_On_Overridden_Size := Setting; + Warn_On_Parameter_Order := Setting; + Warn_On_Questionable_Layout := Setting; + Warn_On_Questionable_Missing_Parens := Setting; + Warn_On_Record_Holes := Setting; + Warn_On_Redundant_Constructs := Setting; + Warn_On_Reverse_Bit_Order := Setting; + Warn_On_Size_Alignment := Setting; + Warn_On_Standard_Redefinition := Setting; + Warn_On_Suspicious_Contract := Setting; + Warn_On_Suspicious_Modulus_Value := Setting; + Warn_On_Unchecked_Conversion := Setting; + Warn_On_Unordered_Enumeration_Type := Setting; + Warn_On_Unrecognized_Pragma := Setting; + Warn_On_Unrepped_Components := Setting; + Warn_On_Warnings_Off := Setting; + end All_Warnings; + + ---------------------- + -- Restore_Warnings -- + ---------------------- + + procedure Restore_Warnings (W : Warning_Record) is + begin + Address_Clause_Overlay_Warnings := + W.Address_Clause_Overlay_Warnings; + Check_Unreferenced := + W.Check_Unreferenced; + Check_Unreferenced_Formals := + W.Check_Unreferenced_Formals; + Check_Withs := + W.Check_Withs; + Constant_Condition_Warnings := + W.Constant_Condition_Warnings; + Elab_Warnings := + W.Elab_Warnings; + Elab_Info_Messages := + W.Elab_Info_Messages; + Implementation_Unit_Warnings := + W.Implementation_Unit_Warnings; + Ineffective_Inline_Warnings := + W.Ineffective_Inline_Warnings; + List_Body_Required_Info := + W.List_Body_Required_Info; + List_Inherited_Aspects := + W.List_Inherited_Aspects; + No_Warn_On_Non_Local_Exception := + W.No_Warn_On_Non_Local_Exception; + Warning_Doc_Switch := + W.Warning_Doc_Switch; + Warn_On_Ada_2005_Compatibility := + W.Warn_On_Ada_2005_Compatibility; + Warn_On_Ada_2012_Compatibility := + W.Warn_On_Ada_2012_Compatibility; + Warn_On_All_Unread_Out_Parameters := + W.Warn_On_All_Unread_Out_Parameters; + Warn_On_Assertion_Failure := + W.Warn_On_Assertion_Failure; + Warn_On_Assumed_Low_Bound := + W.Warn_On_Assumed_Low_Bound; + Warn_On_Atomic_Synchronization := + W.Warn_On_Atomic_Synchronization; + Warn_On_Bad_Fixed_Value := + W.Warn_On_Bad_Fixed_Value; + Warn_On_Biased_Representation := + W.Warn_On_Biased_Representation; + Warn_On_Constant := + W.Warn_On_Constant; + Warn_On_Deleted_Code := + W.Warn_On_Deleted_Code; + Warn_On_Dereference := + W.Warn_On_Dereference; + Warn_On_Export_Import := + W.Warn_On_Export_Import; + Warn_On_Hiding := + W.Warn_On_Hiding; + Warn_On_Late_Primitives := + W.Warn_On_Late_Primitives; + Warn_On_Modified_Unread := + W.Warn_On_Modified_Unread; + Warn_On_No_Value_Assigned := + W.Warn_On_No_Value_Assigned; + Warn_On_Non_Local_Exception := + W.Warn_On_Non_Local_Exception; + Warn_On_Object_Renames_Function := + W.Warn_On_Object_Renames_Function; + Warn_On_Obsolescent_Feature := + W.Warn_On_Obsolescent_Feature; + Warn_On_Overlap := + W.Warn_On_Overlap; + Warn_On_Overridden_Size := + W.Warn_On_Overridden_Size; + Warn_On_Parameter_Order := + W.Warn_On_Parameter_Order; + Warn_On_Questionable_Layout := + W.Warn_On_Questionable_Layout; + Warn_On_Questionable_Missing_Parens := + W.Warn_On_Questionable_Missing_Parens; + Warn_On_Record_Holes := + W.Warn_On_Record_Holes; + Warn_On_Redundant_Constructs := + W.Warn_On_Redundant_Constructs; + Warn_On_Reverse_Bit_Order := + W.Warn_On_Reverse_Bit_Order; + Warn_On_Size_Alignment := + W.Warn_On_Size_Alignment; + Warn_On_Standard_Redefinition := + W.Warn_On_Standard_Redefinition; + Warn_On_Suspicious_Contract := + W.Warn_On_Suspicious_Contract; + Warn_On_Unchecked_Conversion := + W.Warn_On_Unchecked_Conversion; + Warn_On_Unordered_Enumeration_Type := + W.Warn_On_Unordered_Enumeration_Type; + Warn_On_Unrecognized_Pragma := + W.Warn_On_Unrecognized_Pragma; + Warn_On_Unrepped_Components := + W.Warn_On_Unrepped_Components; + Warn_On_Warnings_Off := + W.Warn_On_Warnings_Off; + end Restore_Warnings; + + ------------------- + -- Save_Warnings -- + ------------------- + + function Save_Warnings return Warning_Record is + W : Warning_Record; + + begin + W.Address_Clause_Overlay_Warnings := + Address_Clause_Overlay_Warnings; + W.Check_Unreferenced := + Check_Unreferenced; + W.Check_Unreferenced_Formals := + Check_Unreferenced_Formals; + W.Check_Withs := + Check_Withs; + W.Constant_Condition_Warnings := + Constant_Condition_Warnings; + W.Elab_Info_Messages := + Elab_Info_Messages; + W.Elab_Warnings := + Elab_Warnings; + W.Implementation_Unit_Warnings := + Implementation_Unit_Warnings; + W.Ineffective_Inline_Warnings := + Ineffective_Inline_Warnings; + W.List_Body_Required_Info := + List_Body_Required_Info; + W.List_Inherited_Aspects := + List_Inherited_Aspects; + W.No_Warn_On_Non_Local_Exception := + No_Warn_On_Non_Local_Exception; + W.Warning_Doc_Switch := + Warning_Doc_Switch; + W.Warn_On_Ada_2005_Compatibility := + Warn_On_Ada_2005_Compatibility; + W.Warn_On_Ada_2012_Compatibility := + Warn_On_Ada_2012_Compatibility; + W.Warn_On_All_Unread_Out_Parameters := + Warn_On_All_Unread_Out_Parameters; + W.Warn_On_Assertion_Failure := + Warn_On_Assertion_Failure; + W.Warn_On_Assumed_Low_Bound := + Warn_On_Assumed_Low_Bound; + W.Warn_On_Atomic_Synchronization := + Warn_On_Atomic_Synchronization; + W.Warn_On_Bad_Fixed_Value := + Warn_On_Bad_Fixed_Value; + W.Warn_On_Biased_Representation := + Warn_On_Biased_Representation; + W.Warn_On_Constant := + Warn_On_Constant; + W.Warn_On_Deleted_Code := + Warn_On_Deleted_Code; + W.Warn_On_Dereference := + Warn_On_Dereference; + W.Warn_On_Export_Import := + Warn_On_Export_Import; + W.Warn_On_Hiding := + Warn_On_Hiding; + W.Warn_On_Late_Primitives := + Warn_On_Late_Primitives; + W.Warn_On_Modified_Unread := + Warn_On_Modified_Unread; + W.Warn_On_No_Value_Assigned := + Warn_On_No_Value_Assigned; + W.Warn_On_Non_Local_Exception := + Warn_On_Non_Local_Exception; + W.Warn_On_Object_Renames_Function := + Warn_On_Object_Renames_Function; + W.Warn_On_Obsolescent_Feature := + Warn_On_Obsolescent_Feature; + W.Warn_On_Overlap := + Warn_On_Overlap; + W.Warn_On_Overridden_Size := + Warn_On_Overridden_Size; + W.Warn_On_Parameter_Order := + Warn_On_Parameter_Order; + W.Warn_On_Questionable_Layout := + Warn_On_Questionable_Layout; + W.Warn_On_Questionable_Missing_Parens := + Warn_On_Questionable_Missing_Parens; + W.Warn_On_Record_Holes := + Warn_On_Record_Holes; + W.Warn_On_Redundant_Constructs := + Warn_On_Redundant_Constructs; + W.Warn_On_Reverse_Bit_Order := + Warn_On_Reverse_Bit_Order; + W.Warn_On_Size_Alignment := + Warn_On_Size_Alignment; + W.Warn_On_Standard_Redefinition := + Warn_On_Standard_Redefinition; + W.Warn_On_Suspicious_Contract := + Warn_On_Suspicious_Contract; + W.Warn_On_Unchecked_Conversion := + Warn_On_Unchecked_Conversion; + W.Warn_On_Unordered_Enumeration_Type := + Warn_On_Unordered_Enumeration_Type; + W.Warn_On_Unrecognized_Pragma := + Warn_On_Unrecognized_Pragma; + W.Warn_On_Unrepped_Components := + Warn_On_Unrepped_Components; + W.Warn_On_Warnings_Off := + Warn_On_Warnings_Off; + return W; + end Save_Warnings; + + ---------------------------- + -- Set_Dot_Warning_Switch -- + ---------------------------- + + function Set_Dot_Warning_Switch (C : Character) return Boolean is + begin + case C is + when 'a' => + Warn_On_Assertion_Failure := True; + + when 'A' => + Warn_On_Assertion_Failure := False; + + when 'b' => + Warn_On_Biased_Representation := True; + + when 'B' => + Warn_On_Biased_Representation := False; + + when 'c' => + Warn_On_Unrepped_Components := True; + + when 'C' => + Warn_On_Unrepped_Components := False; + + when 'd' => + Warning_Doc_Switch := True; + + when 'D' => + Warning_Doc_Switch := False; + + when 'e' => + All_Warnings (True); + + when 'f' => + Warn_On_Elab_Access := True; + + when 'F' => + Warn_On_Elab_Access := False; + + when 'g' => + Set_GNAT_Mode_Warnings; + + when 'h' => + Warn_On_Record_Holes := True; + + when 'H' => + Warn_On_Record_Holes := False; + + when 'i' => + Warn_On_Overlap := True; + + when 'I' => + Warn_On_Overlap := False; + + when 'j' => + Warn_On_Late_Primitives := True; + + when 'J' => + Warn_On_Late_Primitives := False; + + when 'k' => + Warn_On_Standard_Redefinition := True; + + when 'K' => + Warn_On_Standard_Redefinition := False; + + when 'l' => + List_Inherited_Aspects := True; + + when 'L' => + List_Inherited_Aspects := False; + + when 'm' => + Warn_On_Suspicious_Modulus_Value := True; + + when 'M' => + Warn_On_Suspicious_Modulus_Value := False; + + when 'n' => + Warn_On_Atomic_Synchronization := True; + + when 'N' => + Warn_On_Atomic_Synchronization := False; + + when 'o' => + Warn_On_All_Unread_Out_Parameters := True; + + when 'O' => + Warn_On_All_Unread_Out_Parameters := False; + + when 'p' => + Warn_On_Parameter_Order := True; + + when 'P' => + Warn_On_Parameter_Order := False; + + when 'q' => + Warn_On_Questionable_Layout := True; + + when 'Q' => + Warn_On_Questionable_Layout := False; + + when 'r' => + Warn_On_Object_Renames_Function := True; + + when 'R' => + Warn_On_Object_Renames_Function := False; + + when 's' => + Warn_On_Overridden_Size := True; + + when 'S' => + Warn_On_Overridden_Size := False; + + when 't' => + Warn_On_Suspicious_Contract := True; + + when 'T' => + Warn_On_Suspicious_Contract := False; + + when 'u' => + Warn_On_Unordered_Enumeration_Type := True; + + when 'U' => + Warn_On_Unordered_Enumeration_Type := False; + + when 'v' => + Warn_On_Reverse_Bit_Order := True; + + when 'V' => + Warn_On_Reverse_Bit_Order := False; + + when 'w' => + Warn_On_Warnings_Off := True; + + when 'W' => + Warn_On_Warnings_Off := False; + + when 'x' => + Warn_On_Non_Local_Exception := True; + + when 'X' => + Warn_On_Non_Local_Exception := False; + No_Warn_On_Non_Local_Exception := True; + + when 'y' => + List_Body_Required_Info := True; + + when 'Y' => + List_Body_Required_Info := False; + + when 'z' => + Warn_On_Size_Alignment := True; + + when 'Z' => + Warn_On_Size_Alignment := False; + + when others => + if Ignore_Unrecognized_VWY_Switches then + Write_Line ("unrecognized switch -gnatw." & C & " ignored"); + else + return False; + end if; + end case; + + return True; + end Set_Dot_Warning_Switch; + + ----------------------------------- + -- Set_Underscore_Warning_Switch -- + ----------------------------------- + + function Set_Underscore_Warning_Switch (C : Character) return Boolean is + begin + case C is + when others => + if Ignore_Unrecognized_VWY_Switches then + Write_Line ("unrecognized switch -gnatw_" & C & " ignored"); + else + return False; + end if; + end case; + + return True; + end Set_Underscore_Warning_Switch; + + ---------------------------- + -- Set_GNAT_Mode_Warnings -- + ---------------------------- + + procedure Set_GNAT_Mode_Warnings is + begin + -- Set -gnatwa warnings and no others + + All_Warnings (False); + WA_Warnings; + + -- These warnings are added to the -gnatwa set + + Address_Clause_Overlay_Warnings := True; + Warn_On_Questionable_Layout := True; + Warn_On_Overridden_Size := True; + + -- These warnings are removed from the -gnatwa set + + Implementation_Unit_Warnings := False; + Warn_On_Non_Local_Exception := False; + No_Warn_On_Non_Local_Exception := True; + Warn_On_Reverse_Bit_Order := False; + Warn_On_Size_Alignment := False; + Warn_On_Unrepped_Components := False; + end Set_GNAT_Mode_Warnings; + + ------------------------ + -- Set_Warning_Switch -- + ------------------------ + + function Set_Warning_Switch (C : Character) return Boolean is + begin + case C is + when 'a' => + WA_Warnings; + + when 'A' => + All_Warnings (False); + No_Warn_On_Non_Local_Exception := True; + + when 'b' => + Warn_On_Bad_Fixed_Value := True; + + when 'B' => + Warn_On_Bad_Fixed_Value := False; + + when 'c' => + Constant_Condition_Warnings := True; + + when 'C' => + Constant_Condition_Warnings := False; + + when 'd' => + Warn_On_Dereference := True; + + when 'D' => + Warn_On_Dereference := False; + + when 'e' => + Warning_Mode := Treat_As_Error; + + when 'E' => + Warning_Mode := Treat_Run_Time_Warnings_As_Errors; + + when 'f' => + Check_Unreferenced_Formals := True; + + when 'F' => + Check_Unreferenced_Formals := False; + + when 'g' => + Warn_On_Unrecognized_Pragma := True; + + when 'G' => + Warn_On_Unrecognized_Pragma := False; + + when 'h' => + Warn_On_Hiding := True; + + when 'H' => + Warn_On_Hiding := False; + + when 'i' => + Implementation_Unit_Warnings := True; + + when 'I' => + Implementation_Unit_Warnings := False; + + when 'j' => + Warn_On_Obsolescent_Feature := True; + + when 'J' => + Warn_On_Obsolescent_Feature := False; + + when 'k' => + Warn_On_Constant := True; + + when 'K' => + Warn_On_Constant := False; + + when 'l' => + Elab_Warnings := True; + + when 'L' => + Elab_Warnings := False; + + when 'm' => + Warn_On_Modified_Unread := True; + + when 'M' => + Warn_On_Modified_Unread := False; + + when 'n' => + Warning_Mode := Normal; + + when 'o' => + Address_Clause_Overlay_Warnings := True; + + when 'O' => + Address_Clause_Overlay_Warnings := False; + + when 'p' => + Ineffective_Inline_Warnings := True; + + when 'P' => + Ineffective_Inline_Warnings := False; + + when 'q' => + Warn_On_Questionable_Missing_Parens := True; + + when 'Q' => + Warn_On_Questionable_Missing_Parens := False; + + when 'r' => + Warn_On_Redundant_Constructs := True; + + when 'R' => + Warn_On_Redundant_Constructs := False; + + when 's' => + Warning_Mode := Suppress; + + when 't' => + Warn_On_Deleted_Code := True; + + when 'T' => + Warn_On_Deleted_Code := False; + + when 'u' => + Check_Unreferenced := True; + Check_Withs := True; + Check_Unreferenced_Formals := True; + + when 'U' => + Check_Unreferenced := False; + Check_Withs := False; + Check_Unreferenced_Formals := False; + + when 'v' => + Warn_On_No_Value_Assigned := True; + + when 'V' => + Warn_On_No_Value_Assigned := False; + + when 'w' => + Warn_On_Assumed_Low_Bound := True; + + when 'W' => + Warn_On_Assumed_Low_Bound := False; + + when 'x' => + Warn_On_Export_Import := True; + + when 'X' => + Warn_On_Export_Import := False; + + when 'y' => + Warn_On_Ada_2005_Compatibility := True; + Warn_On_Ada_2012_Compatibility := True; + + when 'Y' => + Warn_On_Ada_2005_Compatibility := False; + Warn_On_Ada_2012_Compatibility := False; + + when 'z' => + Warn_On_Unchecked_Conversion := True; + + when 'Z' => + Warn_On_Unchecked_Conversion := False; + + when others => + if Ignore_Unrecognized_VWY_Switches then + Write_Line ("unrecognized switch -gnatw" & C & " ignored"); + else + return False; + end if; + end case; + + return True; + end Set_Warning_Switch; + + ----------------- + -- WA_Warnings -- + ----------------- + + procedure WA_Warnings is + begin + Check_Unreferenced := True; -- -gnatwf/-gnatwu + Check_Unreferenced_Formals := True; -- -gnatwf/-gnatwu + Check_Withs := True; -- -gnatwu + Constant_Condition_Warnings := True; -- -gnatwc + Implementation_Unit_Warnings := True; -- -gnatwi + Ineffective_Inline_Warnings := True; -- -gnatwp + Warn_On_Ada_2005_Compatibility := True; -- -gnatwy + Warn_On_Ada_2012_Compatibility := True; -- -gnatwy + Warn_On_Assertion_Failure := True; -- -gnatw.a + Warn_On_Assumed_Low_Bound := True; -- -gnatww + Warn_On_Bad_Fixed_Value := True; -- -gnatwb + Warn_On_Biased_Representation := True; -- -gnatw.b + Warn_On_Constant := True; -- -gnatwk + Warn_On_Export_Import := True; -- -gnatwx + Warn_On_Late_Primitives := True; -- -gnatw.j + Warn_On_Modified_Unread := True; -- -gnatwm + Warn_On_No_Value_Assigned := True; -- -gnatwv + Warn_On_Non_Local_Exception := True; -- -gnatw.x + Warn_On_Object_Renames_Function := True; -- -gnatw.r + Warn_On_Obsolescent_Feature := True; -- -gnatwj + Warn_On_Overlap := True; -- -gnatw.i + Warn_On_Parameter_Order := True; -- -gnatw.p + Warn_On_Questionable_Missing_Parens := True; -- -gnatwq + Warn_On_Redundant_Constructs := True; -- -gnatwr + Warn_On_Reverse_Bit_Order := True; -- -gnatw.v + Warn_On_Size_Alignment := True; -- -gnatw.z + Warn_On_Suspicious_Contract := True; -- -gnatw.t + Warn_On_Suspicious_Modulus_Value := True; -- -gnatw.m + Warn_On_Unchecked_Conversion := True; -- -gnatwz + Warn_On_Unrecognized_Pragma := True; -- -gnatwg + Warn_On_Unrepped_Components := True; -- -gnatw.c + end WA_Warnings; + +end Warnsw;