+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- O P T --
--- --
--- B o d y --
--- --
--- $Revision: 1.1.16.1 $
--- --
--- Copyright (C) 1992-2000, 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 2, 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 COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, 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, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
-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.
-
- ----------------------------------
- -- 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;
- end Register_Opt_Config_Switches;
-
- ---------------------------------
- -- Restore_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;
- end Restore_Opt_Config_Switches;
-
- ------------------------------
- -- Save_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;
- end Save_Opt_Config_Switches;
-
- -----------------------------
- -- Set_Opt_Config_Switches --
- -----------------------------
-
- procedure Set_Opt_Config_Switches (Internal_Unit : Boolean) is
- begin
- if Internal_Unit then
- Ada_83 := False;
- Ada_95 := True;
- Dynamic_Elaboration_Checks := False;
- Extensions_Allowed := True;
- External_Name_Exp_Casing := As_Is;
- External_Name_Imp_Casing := Lowercase;
- Use_VADS_Size := False;
-
- else
- Ada_83 := Ada_83_Config;
- Ada_95 := not Ada_83_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;
- Use_VADS_Size := Use_VADS_Size_Config;
- end if;
-
- Polling_Required := Polling_Required_Config;
- end Set_Opt_Config_Switches;
-
- ---------------
- -- Tree_Read --
- ---------------
-
- procedure Tree_Read is
- Tree_Version_String_Len : Nat;
-
- begin
- 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);
- Tree_Read_Bool (Verbose_Mode);
- Tree_Read_Data (Warning_Mode'Address,
- Warning_Mode_Type'Object_Size / Storage_Unit);
- Tree_Read_Bool (Ada_83_Config);
- Tree_Read_Bool (All_Errors_Mode);
- Tree_Read_Bool (Assertions_Enabled);
- Tree_Read_Bool (Full_List);
-
- -- Read and check version string
-
- Tree_Read_Int (Tree_Version_String_Len);
-
- if Tree_Version_String_Len = Tree_Version_String'Length then
- 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;
-
- Tree_Read_Data (Distribution_Stub_Mode'Address,
- Distribution_Stub_Mode_Type'Object_Size / Storage_Unit);
- Tree_Read_Bool (Immediate_Errors);
- Tree_Read_Bool (Inline_Active);
- Tree_Read_Bool (Inline_Processing_Required);
- Tree_Read_Bool (List_Units);
- Tree_Read_Bool (No_Run_Time);
- Tree_Read_Data (Operating_Mode'Address,
- Operating_Mode_Type'Object_Size / Storage_Unit);
- Tree_Read_Bool (Software_Overflow_Checking);
- Tree_Read_Bool (Try_Semantics);
- Tree_Read_Data (Wide_Character_Encoding_Method'Address,
- WC_Encoding_Method'Object_Size / Storage_Unit);
- Tree_Read_Bool (Upper_Half_Encoding);
- Tree_Read_Bool (Force_ALI_Tree_File);
- end Tree_Read;
-
- ----------------
- -- Tree_Write --
- ----------------
-
- procedure Tree_Write is
- begin
- 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);
- Tree_Write_Bool (Verbose_Mode);
- Tree_Write_Data (Warning_Mode'Address,
- Warning_Mode_Type'Object_Size / Storage_Unit);
- Tree_Write_Bool (Ada_83_Config);
- Tree_Write_Bool (All_Errors_Mode);
- Tree_Write_Bool (Assertions_Enabled);
- 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_Data (Distribution_Stub_Mode'Address,
- Distribution_Stub_Mode_Type'Object_Size / Storage_Unit);
- Tree_Write_Bool (Immediate_Errors);
- Tree_Write_Bool (Inline_Active);
- Tree_Write_Bool (Inline_Processing_Required);
- Tree_Write_Bool (List_Units);
- Tree_Write_Bool (No_Run_Time);
- Tree_Write_Data (Operating_Mode'Address,
- Operating_Mode_Type'Object_Size / Storage_Unit);
- Tree_Write_Bool (Software_Overflow_Checking);
- Tree_Write_Bool (Try_Semantics);
- Tree_Write_Data (Wide_Character_Encoding_Method'Address,
- WC_Encoding_Method'Object_Size / Storage_Unit);
- Tree_Write_Bool (Upper_Half_Encoding);
- Tree_Write_Bool (Force_ALI_Tree_File);
- end Tree_Write;
-
-end Opt;
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