-- --
-- B o d y --
-- --
--- Copyright (C) 1992-2001, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2007, 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- --
-- 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 COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
+-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
+-- Boston, MA 02110-1301, USA. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- --
------------------------------------------------------------------------------
-with Ada.Exceptions; use Ada.Exceptions;
with Gnatvsn; use Gnatvsn;
with System; use System;
with Tree_IO; use Tree_IO;
package body Opt is
- Tree_Version_String : String (Gnat_Version_String'Range);
- -- Used to store the compiler version string read from a tree file to
- -- check if it is the same as stored in the version ctring in Gnatvsn.
- -- Therefore its length is taken directly from the version string in
- -- Gnatvsn. If the length of the version string stored in the three is
- -- different, then versions are for sure different.
-
- Immediate_Errors : Boolean := True;
- -- This is an obsolete flag that is no longer present in opt.ads. We
- -- retain it here because this flag was written to the tree and there
- -- is no point in making trees incomaptible just for the sake of saving
- -- one byte of data. The value written is ignored.
+ SU : constant := Storage_Unit;
+ -- Shorthand for System.Storage_Unit
----------------------------------
-- Register_Opt_Config_Switches --
procedure Register_Opt_Config_Switches is
begin
- Ada_83_Config := Ada_83;
- Dynamic_Elaboration_Checks_Config := Dynamic_Elaboration_Checks;
- Extensions_Allowed_Config := Extensions_Allowed;
- External_Name_Exp_Casing_Config := External_Name_Exp_Casing;
- External_Name_Imp_Casing_Config := External_Name_Imp_Casing;
- Polling_Required_Config := Polling_Required;
- Use_VADS_Size_Config := Use_VADS_Size;
+ Ada_Version_Config := Ada_Version;
+ Ada_Version_Explicit_Config := Ada_Version_Explicit;
+ Assertions_Enabled_Config := Assertions_Enabled;
+ Debug_Pragmas_Enabled_Config := Debug_Pragmas_Enabled;
+ Dynamic_Elaboration_Checks_Config := Dynamic_Elaboration_Checks;
+ Exception_Locations_Suppressed_Config := Exception_Locations_Suppressed;
+ Extensions_Allowed_Config := Extensions_Allowed;
+ External_Name_Exp_Casing_Config := External_Name_Exp_Casing;
+ External_Name_Imp_Casing_Config := External_Name_Imp_Casing;
+ Persistent_BSS_Mode_Config := Persistent_BSS_Mode;
+ Polling_Required_Config := Polling_Required;
+ Use_VADS_Size_Config := Use_VADS_Size;
end Register_Opt_Config_Switches;
---------------------------------
procedure Restore_Opt_Config_Switches (Save : Config_Switches_Type) is
begin
- Ada_83 := Save.Ada_83;
- Ada_95 := not Ada_83;
- Dynamic_Elaboration_Checks := Save.Dynamic_Elaboration_Checks;
- Extensions_Allowed := Save.Extensions_Allowed;
- External_Name_Exp_Casing := Save.External_Name_Exp_Casing;
- External_Name_Imp_Casing := Save.External_Name_Imp_Casing;
- Polling_Required := Save.Polling_Required;
- Use_VADS_Size := Save.Use_VADS_Size;
+ Ada_Version := Save.Ada_Version;
+ Ada_Version_Explicit := Save.Ada_Version_Explicit;
+ Assertions_Enabled := Save.Assertions_Enabled;
+ Debug_Pragmas_Enabled := Save.Debug_Pragmas_Enabled;
+ Dynamic_Elaboration_Checks := Save.Dynamic_Elaboration_Checks;
+ Exception_Locations_Suppressed := Save.Exception_Locations_Suppressed;
+ Extensions_Allowed := Save.Extensions_Allowed;
+ External_Name_Exp_Casing := Save.External_Name_Exp_Casing;
+ External_Name_Imp_Casing := Save.External_Name_Imp_Casing;
+ Persistent_BSS_Mode := Save.Persistent_BSS_Mode;
+ Polling_Required := Save.Polling_Required;
+ Use_VADS_Size := Save.Use_VADS_Size;
end Restore_Opt_Config_Switches;
------------------------------
procedure Save_Opt_Config_Switches (Save : out Config_Switches_Type) is
begin
- Save.Ada_83 := Ada_83;
- Save.Dynamic_Elaboration_Checks := Dynamic_Elaboration_Checks;
- Save.Extensions_Allowed := Extensions_Allowed;
- Save.External_Name_Exp_Casing := External_Name_Exp_Casing;
- Save.External_Name_Imp_Casing := External_Name_Imp_Casing;
- Save.Polling_Required := Polling_Required;
- Save.Use_VADS_Size := Use_VADS_Size;
+ Save.Ada_Version := Ada_Version;
+ Save.Ada_Version_Explicit := Ada_Version_Explicit;
+ Save.Assertions_Enabled := Assertions_Enabled;
+ Save.Debug_Pragmas_Enabled := Debug_Pragmas_Enabled;
+ Save.Dynamic_Elaboration_Checks := Dynamic_Elaboration_Checks;
+ Save.Exception_Locations_Suppressed := Exception_Locations_Suppressed;
+ Save.Extensions_Allowed := Extensions_Allowed;
+ Save.External_Name_Exp_Casing := External_Name_Exp_Casing;
+ Save.External_Name_Imp_Casing := External_Name_Imp_Casing;
+ Save.Persistent_BSS_Mode := Persistent_BSS_Mode;
+ Save.Polling_Required := Polling_Required;
+ Save.Use_VADS_Size := Use_VADS_Size;
end Save_Opt_Config_Switches;
-----------------------------
-- Set_Opt_Config_Switches --
-----------------------------
- procedure Set_Opt_Config_Switches (Internal_Unit : Boolean) is
+ procedure Set_Opt_Config_Switches
+ (Internal_Unit : Boolean;
+ Main_Unit : Boolean)
+ is
begin
+ -- Case of internal unit
+
if Internal_Unit then
- Ada_83 := False;
- Ada_95 := True;
+
+ -- Set standard switches. Note we do NOT set Ada_Version_Explicit
+ -- since the whole point of this is that it still properly indicates
+ -- the configuration setting even in a run time unit.
+
+ Ada_Version := Ada_Version_Runtime;
Dynamic_Elaboration_Checks := False;
Extensions_Allowed := True;
External_Name_Exp_Casing := As_Is;
External_Name_Imp_Casing := Lowercase;
+ Persistent_BSS_Mode := False;
Use_VADS_Size := False;
+ -- For an internal unit, assertions/debug pragmas are off unless this
+ -- is the main unit and they were explicitly enabled.
+
+ if Main_Unit then
+ Assertions_Enabled := Assertions_Enabled_Config;
+ Debug_Pragmas_Enabled := Debug_Pragmas_Enabled_Config;
+ else
+ Assertions_Enabled := False;
+ Debug_Pragmas_Enabled := False;
+ end if;
+
+ -- Case of non-internal unit
+
else
- Ada_83 := Ada_83_Config;
- Ada_95 := not Ada_83_Config;
+ Ada_Version := Ada_Version_Config;
+ Ada_Version_Explicit := Ada_Version_Explicit_Config;
+ Assertions_Enabled := Assertions_Enabled_Config;
+ Debug_Pragmas_Enabled := Debug_Pragmas_Enabled_Config;
Dynamic_Elaboration_Checks := Dynamic_Elaboration_Checks_Config;
Extensions_Allowed := Extensions_Allowed_Config;
External_Name_Exp_Casing := External_Name_Exp_Casing_Config;
External_Name_Imp_Casing := External_Name_Imp_Casing_Config;
+ Persistent_BSS_Mode := Persistent_BSS_Mode_Config;
Use_VADS_Size := Use_VADS_Size_Config;
end if;
- Polling_Required := Polling_Required_Config;
+ Exception_Locations_Suppressed := Exception_Locations_Suppressed_Config;
+ Polling_Required := Polling_Required_Config;
end Set_Opt_Config_Switches;
---------------
---------------
procedure Tree_Read is
- Tree_Version_String_Len : Nat;
+ Tree_Version_String_Len : Nat;
+ Ada_Version_Config_Val : Nat;
+ Ada_Version_Explicit_Config_Val : Nat;
+ Assertions_Enabled_Config_Val : Nat;
begin
+ Tree_Read_Int (Tree_ASIS_Version_Number);
Tree_Read_Bool (Brief_Output);
Tree_Read_Bool (GNAT_Mode);
Tree_Read_Char (Identifier_Character_Set);
Tree_Read_Int (Maximum_File_Name_Length);
Tree_Read_Data (Suppress_Options'Address,
- Suppress_Record'Object_Size / Storage_Unit);
+ (Suppress_Options'Size + SU - 1) / SU);
Tree_Read_Bool (Verbose_Mode);
Tree_Read_Data (Warning_Mode'Address,
- Warning_Mode_Type'Object_Size / Storage_Unit);
- Tree_Read_Bool (Ada_83_Config);
+ (Warning_Mode'Size + SU - 1) / SU);
+ Tree_Read_Int (Ada_Version_Config_Val);
+ Tree_Read_Int (Ada_Version_Explicit_Config_Val);
+ Tree_Read_Int (Assertions_Enabled_Config_Val);
Tree_Read_Bool (All_Errors_Mode);
Tree_Read_Bool (Assertions_Enabled);
+ Tree_Read_Bool (Debug_Pragmas_Enabled);
Tree_Read_Bool (Enable_Overflow_Checks);
Tree_Read_Bool (Full_List);
- -- Read and check version string
+ Ada_Version_Config :=
+ Ada_Version_Type'Val (Ada_Version_Config_Val);
+ Ada_Version_Explicit_Config :=
+ Ada_Version_Type'Val (Ada_Version_Explicit_Config_Val);
+ Assertions_Enabled_Config :=
+ Boolean'Val (Assertions_Enabled_Config_Val);
+
+ -- Read version string: we have to get the length first
Tree_Read_Int (Tree_Version_String_Len);
- if Tree_Version_String_Len = Tree_Version_String'Length then
+ declare
+ Tmp : String (1 .. Integer (Tree_Version_String_Len));
+ begin
Tree_Read_Data
- (Tree_Version_String'Address, Tree_Version_String'Length);
- end if;
-
- if Tree_Version_String_Len /= Tree_Version_String'Length
- or else Tree_Version_String /= Gnat_Version_String
- then
- Raise_Exception
- (Program_Error'Identity, "Inconsistent versions of GNAT and ASIS");
- end if;
+ (Tmp'Address, Tree_Version_String_Len);
+ System.Strings.Free (Tree_Version_String);
+ Free (Tree_Version_String);
+ Tree_Version_String := new String'(Tmp);
+ end;
Tree_Read_Data (Distribution_Stub_Mode'Address,
- Distribution_Stub_Mode_Type'Object_Size / Storage_Unit);
- Tree_Read_Bool (Immediate_Errors);
+ (Distribution_Stub_Mode'Size + SU - 1) / Storage_Unit);
Tree_Read_Bool (Inline_Active);
Tree_Read_Bool (Inline_Processing_Required);
Tree_Read_Bool (List_Units);
- Tree_Read_Bool (No_Run_Time);
+ Tree_Read_Bool (Configurable_Run_Time_Mode);
Tree_Read_Data (Operating_Mode'Address,
- Operating_Mode_Type'Object_Size / Storage_Unit);
+ (Operating_Mode'Size + SU - 1) / Storage_Unit);
Tree_Read_Bool (Suppress_Checks);
Tree_Read_Bool (Try_Semantics);
Tree_Read_Data (Wide_Character_Encoding_Method'Address,
- WC_Encoding_Method'Object_Size / Storage_Unit);
+ (Wide_Character_Encoding_Method'Size + SU - 1) / SU);
Tree_Read_Bool (Upper_Half_Encoding);
Tree_Read_Bool (Force_ALI_Tree_File);
end Tree_Read;
----------------
procedure Tree_Write is
+ Version_String : String := Gnat_Version_String;
+
begin
+ Tree_Write_Int (ASIS_Version_Number);
Tree_Write_Bool (Brief_Output);
Tree_Write_Bool (GNAT_Mode);
Tree_Write_Char (Identifier_Character_Set);
Tree_Write_Int (Maximum_File_Name_Length);
Tree_Write_Data (Suppress_Options'Address,
- Suppress_Record'Object_Size / Storage_Unit);
+ (Suppress_Options'Size + SU - 1) / SU);
Tree_Write_Bool (Verbose_Mode);
Tree_Write_Data (Warning_Mode'Address,
- Warning_Mode_Type'Object_Size / Storage_Unit);
- Tree_Write_Bool (Ada_83_Config);
+ (Warning_Mode'Size + SU - 1) / Storage_Unit);
+ Tree_Write_Int (Ada_Version_Type'Pos (Ada_Version_Config));
+ Tree_Write_Int (Ada_Version_Type'Pos (Ada_Version_Explicit_Config));
+ Tree_Write_Int (Boolean'Pos (Assertions_Enabled_Config));
Tree_Write_Bool (All_Errors_Mode);
Tree_Write_Bool (Assertions_Enabled);
+ Tree_Write_Bool (Debug_Pragmas_Enabled);
Tree_Write_Bool (Enable_Overflow_Checks);
Tree_Write_Bool (Full_List);
- Tree_Write_Int (Int (Gnat_Version_String'Length));
- Tree_Write_Data (Gnat_Version_String'Address,
- Gnat_Version_String'Length);
+ Tree_Write_Int (Int (Version_String'Length));
+ Tree_Write_Data (Version_String'Address, Version_String'Length);
Tree_Write_Data (Distribution_Stub_Mode'Address,
- Distribution_Stub_Mode_Type'Object_Size / Storage_Unit);
- Tree_Write_Bool (Immediate_Errors);
+ (Distribution_Stub_Mode'Size + SU - 1) / SU);
Tree_Write_Bool (Inline_Active);
Tree_Write_Bool (Inline_Processing_Required);
Tree_Write_Bool (List_Units);
- Tree_Write_Bool (No_Run_Time);
+ Tree_Write_Bool (Configurable_Run_Time_Mode);
Tree_Write_Data (Operating_Mode'Address,
- Operating_Mode_Type'Object_Size / Storage_Unit);
+ (Operating_Mode'Size + SU - 1) / SU);
Tree_Write_Bool (Suppress_Checks);
Tree_Write_Bool (Try_Semantics);
Tree_Write_Data (Wide_Character_Encoding_Method'Address,
- WC_Encoding_Method'Object_Size / Storage_Unit);
+ (Wide_Character_Encoding_Method'Size + SU - 1) / SU);
Tree_Write_Bool (Upper_Half_Encoding);
Tree_Write_Bool (Force_ALI_Tree_File);
end Tree_Write;
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