------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- O P T -- -- -- -- B o d y -- -- -- -- -- -- Copyright (C) 1992-2001, 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 (Enable_Overflow_Checks); 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 (Suppress_Checks); 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 (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_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 (Suppress_Checks); 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;