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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- W A R N S W --
-- --
-- B o d y --
-- --
-- Copyright (C) 1999-2022, 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_Anonymous_Allocators := 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_Pedantic_Checks := Setting;
Warn_On_Questionable_Layout := Setting;
Warn_On_Questionable_Missing_Parens := Setting;
Warn_On_Record_Holes := Setting;
Warn_On_Component_Order := 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_Unknown_Compile_Time_Warning := 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_Anonymous_Allocators :=
W.Warn_On_Anonymous_Allocators;
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_Pedantic_Checks :=
W.Warn_On_Pedantic_Checks;
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_Component_Order :=
W.Warn_On_Component_Order;
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_Unknown_Compile_Time_Warning :=
W.Warn_On_Unknown_Compile_Time_Warning;
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_Anonymous_Allocators :=
Warn_On_Anonymous_Allocators;
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_Pedantic_Checks :=
Warn_On_Pedantic_Checks;
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_Component_Order :=
Warn_On_Component_Order;
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_Unknown_Compile_Time_Warning :=
Warn_On_Unknown_Compile_Time_Warning;
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 'a' =>
Warn_On_Anonymous_Allocators := True;
when 'A' =>
Warn_On_Anonymous_Allocators := False;
when 'c' =>
Warn_On_Unknown_Compile_Time_Warning := True;
when 'C' =>
Warn_On_Unknown_Compile_Time_Warning := False;
when 'p' =>
Warn_On_Pedantic_Checks := True;
when 'P' =>
Warn_On_Pedantic_Checks := False;
when 'r' =>
Warn_On_Component_Order := True;
when 'R' =>
Warn_On_Component_Order := 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_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_Anonymous_Allocators := True; -- -gnatw_a
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;