-- --
-- S p e c --
-- --
--- $Revision$
--- --
--- Copyright (C) 1992-2001, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2005, 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- --
-- covered by the GNU Public License. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
--- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
--- This package contains global switches set by the initialization
+-- This package contains global flags set by the initialization
-- routine from the command line and referenced throughout the compiler,
--- the binder or gnatmake. The comments indicate which options are used by
--- which programs (GNAT, GNATBIND, GNATMAKE).
+-- the binder, gnatmake or other GNAT tools. The comments indicate which
+-- options are used by which programs (GNAT, GNATBIND, GNATMAKE, etc).
+
+with Gnatvsn; use Gnatvsn;
+with Hostparm; use Hostparm;
+with Types; use Types;
-with Hostparm; use Hostparm;
-with Types; use Types;
with System.WCh_Con; use System.WCh_Con;
+with GNAT.Strings; use GNAT.Strings;
package Opt is
-- the default values.
Ada_Bind_File : Boolean := True;
- -- GNATBIND
+ -- GNATBIND, GNATLINK
-- Set True if binder file to be generated in Ada rather than C
- Ada_95 : Boolean := True;
+ type Ada_Version_Type is (Ada_83, Ada_95, Ada_05);
+ -- Versions of Ada for Ada_Version below. Note that these are ordered,
+ -- so that tests like Ada_Version >= Ada_95 are legitimate and useful.
+
+ Ada_Version_Default : Ada_Version_Type := Ada_95;
-- GNAT
- -- Set True if operating in Ada 95 mode
- -- Set False if operating in Ada 83 mode
+ -- Default Ada version if no switch given
- Ada_83 : Boolean := False;
+ Ada_Version : Ada_Version_Type := Ada_Version_Default;
-- GNAT
- -- Set True if operating in Ada 83 mode
- -- Set False if operating in Ada 95 mode
+ -- Current Ada version for compiler
- Ada_Final_Suffix : constant String := "final";
- -- GNATBIND
- -- The suffix of the name of the finalization procedure. This variable
- -- may be modified by Gnatbind.Scan_Bind_Arg.
+ Ada_Version_Runtime : Ada_Version_Type := Ada_05;
+ -- GNAT
+ -- Ada version used to compile the runtime
+ Ada_Final_Suffix : constant String := "final";
Ada_Final_Name : String_Ptr := new String'("ada" & Ada_Final_Suffix);
-- GNATBIND
-- The name of the procedure that performs the finalization at the end of
-- execution. This variable may be modified by Gnatbind.Scan_Bind_Arg.
Ada_Init_Suffix : constant String := "init";
- -- GNATBIND
- -- The suffix of the name of the initialization procedure. This variable
- -- may be modified by Gnatbind.Scan_Bind_Arg.
-
Ada_Init_Name : String_Ptr := new String'("ada" & Ada_Init_Suffix);
-- GNATBIND
-- The name of the procedure that performs initialization at the start
-- GNAT
-- Set False to disable address clause warnings
+ Address_Is_Private : Boolean := False;
+ -- GNAT, GNATBIND
+ -- Set True if package System has the line "type Address is private;"
+
All_Errors_Mode : Boolean := False;
-- GNAT
-- Flag set to force display of multiple errors on a single line and
-- directly modified by gnatmake to affect the shared binder routines.
Alternate_Main_Name : String_Ptr := null;
+ -- GNATBIND
-- Set to non null when Bind_Alternate_Main_Name is True. This value
-- is modified as needed by Gnatbind.Scan_Bind_Arg.
-- GNAT
-- Enable assertions made using pragma Assert.
+ ASIS_Mode : Boolean := False;
+ -- GNAT
+ -- Enable semantic checks and tree transformations that are important
+ -- for ASIS but that are usually skipped if Operating_Mode is set to
+ -- Check_Semantics. This flag does not have the corresponding option to set
+ -- it ON. It is set ON when Tree_Output is set ON, it can also be set ON
+ -- from the code of GNSA-based tool (a client may need to set ON the
+ -- Back_Annotate_Rep_Info flag in this case. At the moment this does not
+ -- make very much sense, because GNSA can not do back annotation).
+
Back_Annotate_Rep_Info : Boolean := False;
-- GNAT
- -- If set True (by use of -gnatB), enables back annotation of
- -- representation information by gigi, even in -gnatc mode.
+ -- If set True, enables back annotation of representation information
+ -- by gigi, even in -gnatc mode. This is set True by the use of -gnatR
+ -- (list representation information) or -gnatt (generate tree). It is
+ -- also set true if certain Unchecked_Conversion instantiations require
+ -- checking based on annotated values.
Bind_Alternate_Main_Name : Boolean := False;
-- GNATBIND
- -- Set to True if main should be called Alternate_Main_Name.all. This
- -- variable may be set to True by Gnatbind.Scan_Bind_Arg.
+ -- True if main should be called Alternate_Main_Name.all.
+ -- This variable may be set to True by Gnatbind.Scan_Bind_Arg.
Bind_Main_Program : Boolean := True;
-- GNATBIND
-- Set to True to skip compile and link steps
-- (except when Compile_Only and/or Link_Only are True).
+ Blank_Deleted_Lines : Boolean := False;
+ -- GNAT, GNATPREP
+ -- Output empty lines for each line of preprocessed input that is deleted
+ -- in the output, including preprocessor lines starting with a '#'.
+
Brief_Output : Boolean := False;
-- GNAT, GNATBIND
-- Force brief error messages to standard error, even if verbose mode is
-- set (so that main error messages go to standard output).
+ Build_Bind_And_Link_Full_Project : Boolean := False;
+ -- GNATMAKE
+ -- Set to True to build, bind and link all the sources of a project file
+ -- (switch -B)
+
Check_Object_Consistency : Boolean := False;
-- GNATBIND, GNATMAKE
-- Set to True to check whether every object file is consistent with
- -- with its corresponding ada library information (ali) file. An object
- -- file is inconsistent with the corresponding ali file if the object
- -- file does not exist or if it has an older time stamp than the ali file.
+ -- its corresponding ada library information (ALI) file. An object
+ -- file is inconsistent with the corresponding ALI file if the object
+ -- file does not exist or if it has an older time stamp than the ALI file.
-- Default above is for GNATBIND. GNATMAKE overrides this default to
- -- True (see Make.Initialize) since we do not need to check source
- -- consistencies in gnatmake in this sense.
+ -- True (see Make.Initialize) since we normally do need to check source
+ -- consistencies in gnatmake.
Check_Only : Boolean := False;
-- GNATBIND
-- Set to True to check readonly files during the make process.
Check_Source_Files : Boolean := True;
- -- GNATBIND
+ -- GNATBIND, GNATMAKE
-- Set to True to enable consistency checking for any source files that
-- are present (i.e. date must match the date in the library info file).
-- Set to False for object file consistency check only. This flag is
Check_Unreferenced : Boolean := False;
-- GNAT
- -- Set to True to enable checking for unreferenced variables
+ -- Set to True to enable checking for unreferenced entities other
+ -- than formal parameters (for which see Check_Unreferenced_Formals)
+
+ Check_Unreferenced_Formals : Boolean := False;
+ -- GNAT
+ -- Set True to check for unreferenced formals. This is turned
+ -- on by -gnatwa/wf/wu and turned off by -gnatwA/wF/wU.
Check_Withs : Boolean := False;
-- GNAT
-- Set to True to enable checking for unused withs, and also the case
-- of withing a package and using none of the entities in the package.
- Compile_Only : Boolean := False;
- -- GNATMAKE
- -- Set to True to skip bind and link steps (except when Bind_Only is True)
+ Comment_Deleted_Lines : Boolean := False;
+ -- GNATPREP
+ -- True if source lines removed by the preprocessor should be commented
+ -- in the output file.
- Compress_Debug_Names : Boolean := False;
- -- GNATMAKE
- -- Set to True if the option to compress debug information is set (-gnatC)
+ Compile_Only : Boolean := False;
+ -- GNATMAKE, GNATCLEAN
+ -- GNATMAKE: set to True to skip bind and link steps (except when
+ -- Bind_Only is True).
+ -- GNATCLEAN: set to True to only the files produced by the compiler are to
+ -- be deleted, but not the library files or executable files.
Config_File : Boolean := True;
-- GNAT
-- Set to False to inhibit reading and processing of gnat.adc file
- Config_File_Name : String_Ptr := null;
+ Config_File_Names : String_List_Access := null;
-- GNAT
- -- File name of configuration pragmas file (given by switch -gnatec)
+ -- Names of configuration pragmas files (given by switches -gnatec)
+
+ Configurable_Run_Time_Mode : Boolean := False;
+ -- GNAT, GNATBIND
+ -- Set True if the compiler is operating in configurable run-time mode.
+ -- This happens if the flag Targparm.Configurable_Run_TimeMode_On_Target
+ -- is set True, or if pragma No_Run_Time is used. See the spec of Rtsfind
+ -- for details on the handling of the latter pragma.
Constant_Condition_Warnings : Boolean := False;
-- GNAT
-- Set to True to activate warnings on constant conditions
+ Create_Mapping_File : Boolean := False;
+ -- GNATMAKE
+ -- Set to True (-C switch) to indicate that gnatmake will invoke
+ -- the compiler with a mapping file (-gnatem compiler switch).
+
subtype Debug_Level_Value is Nat range 0 .. 3;
Debugger_Level : Debug_Level_Value := 0;
-- GNATBIND
- -- The value given to the -g parameter.
- -- The default value for -g with no value is 2
- -- This is usually ignored by GNATBIND, except in the VMS version
- -- where it is passed as an argument to __gnat_initialize to trigger
- -- the activation of the remote debugging interface (is this true???).
+ -- The value given to the -g parameter. The default value for -g with
+ -- no value is 2. This is usually ignored by GNATBIND, except in the
+ -- VMS version where it is passed as an argument to __gnat_initialize
+ -- to trigger the activation of the remote debugging interface.
+ -- Is this still true ???
Debug_Generated_Code : Boolean := False;
-- GNAT
-- of the original source code. Causes debugging information to be
-- written with respect to the generated code file that is written.
+ Default_Exit_Status : Int := 0;
+ -- GNATBIND
+ -- Set the default exit status value. Set by the -Xnnn switch for the
+ -- binder.
+
+ Default_Sec_Stack_Size : Int := -1;
+ -- GNATBIND
+ -- Set to default secondary stack size in units of kilobytes. Set by
+ -- the -Dnnn switch for the binder. A value of -1 indicates that no
+ -- default was set by the binder, and that the default should be the
+ -- initial value of System.Secondary_Stack.Default_Secondary_Stack_Size.
+
+ Detect_Blocking : Boolean := False;
+ -- GNAT
+ -- Set True to force the run time to raise Program_Error if calls to
+ -- potentially blocking operations are detected from protected actions.
+
Display_Compilation_Progress : Boolean := False;
-- GNATMAKE
-- Set True (-d switch) to display information on progress while compiling
- -- files. Internal switch to be used in conjunction with an IDE such as
- -- Glide.
+ -- files. Internal flag to be used in conjunction with an IDE (e.g GPS).
type Distribution_Stub_Mode_Type is
-- GNAT
-- GNAT
-- Set to True to generate full elaboration warnings (-gnatwl)
- type Exception_Mechanism_Type is (Setjmp_Longjmp, Front_End_ZCX, GCC_ZCX);
- Exception_Mechanism : Exception_Mechanism_Type := Setjmp_Longjmp;
+ Enable_Overflow_Checks : Boolean := False;
+ -- GNAT
+ -- Set to True if -gnato (enable overflow checks) switch is set,
+ -- but not -gnatp.
+
+ Exception_Locations_Suppressed : Boolean := False;
+ -- GNAT
+ -- This flag is set True if a Suppress_Exception_Locations configuration
+ -- pragma is currently active.
+
+ type Exception_Mechanism_Type is
+ -- Determines the handling of exceptions. See Exp_Ch11 for details
+ --
+ (Front_End_Setjmp_Longjmp_Exceptions,
+ -- Exceptions use setjmp/longjmp generated explicitly by the
+ -- front end (this includes gigi or other equivalent parts of
+ -- the code generator). AT END handlers are converted into
+ -- exception handlers by the front end in this mode.
+
+ Front_End_ZCX_Exceptions,
+ -- Exceptions use the zero cost table mechanism with explicit
+ -- tables and exception regions generated by the front end.
+ -- AT END handlers are converted into exception handlers by
+ -- the front end in this mode.
+
+ Back_End_ZCX_Exceptions);
+ -- Exceptions are handled by the back end. The front end simply
+ -- generates the handlers as they appear in the source, and AT
+ -- END handlers are left untouched (they are not converted into
+ -- exception handlers when operating in this mode. Note that the
+ -- name includes ZCX, since the expectation is that the back end
+ -- mechanism will in fact be a ZCX approach, but nothing in the
+ -- compiler depends on this, so for example if GNAT is run with
+ -- a version of GCC configured for setjmp/longjmp exception handling,
+ -- then everything will work fine.
+ pragma Convention (C, Exception_Mechanism_Type);
+
+ Exception_Mechanism : Exception_Mechanism_Type :=
+ Front_End_Setjmp_Longjmp_Exceptions;
-- GNAT
-- Set to the appropriate value depending on the default as given in
-- system.ads (ZCX_By_Default, GCC_ZCX_Support, Front_End_ZCX_Support)
- -- and the use of -gnatL -gnatZ (and -gnatdX)
+ -- and the use of -gnatL -gnatZ (and -gnatdX). The C convention is
+ -- there to make this variable accessible to gigi.
Exception_Tracebacks : Boolean := False;
-- GNATBIND
Extensions_Allowed : Boolean := False;
-- GNAT
+ -- Set to True by switch -gnatX if GNAT specific language extensions
+ -- are allowed. For example, "limited with" is a GNAT extension.
type External_Casing_Type is (
As_Is, -- External names cased as they appear in the Ada source
Lowercase); -- External names forced to all lowercase letters
External_Name_Imp_Casing : External_Casing_Type := Lowercase;
- -- The setting of this switch determines the casing of external names
+ -- GNAT
+ -- The setting of this flag determines the casing of external names
-- when the name is implicitly derived from an entity name (i.e. either
-- no explicit External_Name or Link_Name argument is used, or, in the
-- case of extended DEC pragmas, the external name is given using an
-- create Ada source programs that were case sensitive).
External_Name_Exp_Casing : External_Casing_Type := As_Is;
- -- The setting of this switch determines the casing of an external name
+ -- GNAT
+ -- The setting of this flag determines the casing of an external name
-- specified explicitly with a string literal. As_Is means the string
-- literal is used as given with no modification to the casing. If
-- Lowercase or Uppercase is set, then the string is forced to all
-- effect if an explicit Link_Name is supplied (a link name is always
-- used exactly as given).
+ External_Unit_Compilation_Allowed : Boolean := False;
+ -- GNATMAKE
+ -- When True (set by gnatmake switch -x), allow compilation of sources
+ -- that are not part of any project file.
+
Float_Format : Character := ' ';
-- GNAT
-- A non-blank value indicates that a Float_Format pragma has been
Force_ALI_Tree_File : Boolean := False;
-- GNAT
- -- Force generation of ali file even if errors are encountered.
+ -- Force generation of ALI file even if errors are encountered.
-- Also forces generation of tree file if -gnatt is also set.
+ Force_Checking_Of_Elaboration_Flags : Boolean := False;
+ -- GNATBIND
+ -- True if binding with forced checking of the elaboration flags
+ -- (-F switch set).
+
Force_Compilations : Boolean := False;
-- GNATMAKE
-- Set to force recompilations even when the objects are up-to-date.
-- GNATBIND
-- True if binding with forced RM elaboration order (-f switch set)
-- Note: this is considered an obsolescent option, to be removed in
- -- some future release. it is no longer documented. The proper way
+ -- some future release. It is no longer documented. The proper way
-- to get this effect is to use -gnatE and suppress elab checks.
+ Full_Path_Name_For_Brief_Errors : Boolean := False;
+ -- GNAT, GNATMAKE, GNATCLEAN
+ -- When True, in Brief_Output mode, each error message line
+ -- will start with the full path name of the source.
+ -- When False, only the file name without directory information
+ -- is used.
+
Full_List : Boolean := False;
-- GNAT
-- Set True to generate full source listing with embedded errors
+ function get_gcc_version return Int;
+ pragma Import (C, get_gcc_version, "get_gcc_version");
+
+ GCC_Version : constant Nat := get_gcc_version;
+ -- GNATMAKE
+ -- Indicates which version of gcc is in use (2 = 2.8.1, 3 = 3.x).
+
Global_Discard_Names : Boolean := False;
- -- GNAT
+ -- GNAT, GNATBIND
-- Set true if a pragma Discard_Names applies to the current unit
GNAT_Mode : Boolean := False;
-- GNAT
- -- True if compiling in GNAT system mode (-g switch set)
+ -- True if compiling in GNAT system mode (-gnatg switch)
HLO_Active : Boolean := False;
-- GNAT
- -- True if High Level Optimizer is activated
+ -- True if High Level Optimizer is activated (-gnatH switch)
Implementation_Unit_Warnings : Boolean := True;
-- GNAT
-- GNAT
-- This variable indicates the character set to be used for identifiers.
-- The possible settings are:
- -- '1' Latin-1
- -- '2' Latin-2
- -- '3' Latin-3
- -- '4' Latin-4
+ -- '1' Latin-5 (ISO-8859-1)
+ -- '2' Latin-5 (ISO-8859-2)
+ -- '3' Latin-5 (ISO-8859-3)
+ -- '4' Latin-5 (ISO-8859-4)
+ -- '5' Latin-5 (ISO-8859-5, Cyrillic)
+ -- '9' Latin-5 (ISO-8859-9)
-- 'p' PC (US, IBM page 437)
-- '8' PC (European, IBM page 850)
-- 'f' Full upper set (all distinct)
- -- 'n' No upper characters (Ada/83 rules)
+ -- 'n' No upper characters (Ada 83 rules)
-- 'w' Latin-1 plus wide characters allowed in identifiers
--
-- The setting affects the set of letters allowed in identifiers and the
-- controlled by use of -gnatwp/-gnatwP.
Init_Or_Norm_Scalars : Boolean := False;
- -- GNAT
+ -- GNAT, GANTBIND
-- Set True if a pragma Initialize_Scalars applies to the current unit.
-- Also set True if a pragma Normalize_Scalars applies.
-- Set True if a pragma Initialize_Scalars applies to the current unit.
-- Note that Init_Or_Norm_Scalars is also set to True if this is True.
- Initialize_Scalars_Mode : Character := 'I';
- -- GNATBIND
- -- Set to 'I' for -Sin (default), 'L' for -Slo, 'H' for -Shi, 'X' for -Sxx
-
- Initialize_Scalars_Val : String (1 .. 2);
+ Initialize_Scalars_Mode1 : Character := 'I';
+ Initialize_Scalars_Mode2 : Character := 'N';
-- GNATBIND
- -- Valid only if Initialize_Scalars_Mode is set to 'X' (-Shh). Contains
- -- the two hex bytes from the -Shh switch.
+ -- Set to two characters from -S switch (IN/LO/HI/EV/xx). The default
+ -- is IN (invalid values), used if no -S switch is used.
Inline_Active : Boolean := False;
-- GNAT
-- Set True to activate pragma Inline processing across modules. Default
-- for now is not to inline across module boundaries.
+ Interface_Library_Unit : Boolean := False;
+ -- GNATBIND
+ -- Set to True to indicate that at least one ALI file is an interface ALI:
+ -- then elaboration flag checks are to be generated in the binder
+ -- generated file.
+
+ Follow_Links : Boolean := False;
+ -- GNATMAKE
+ -- Set to True (-eL) to process the project files in trusted mode
+
Front_End_Inlining : Boolean := False;
-- GNAT
-- Set True to activate inlining by front-end expansion.
-- When True signals gnatmake to ignore compilation errors and keep
-- processing sources until there is no more work.
+ Keep_Temporary_Files : Boolean := False;
+ -- GNATCMD
+ -- When True the temporary files created by the GNAT driver are not
+ -- deleted. Set by switch -dn or qualifier /KEEP_TEMPORARY_FILES.
+
Link_Only : Boolean := False;
-- GNATMAKE
-- Set to True to skip compile and bind steps
-- (except when Bind_Only is set to True).
+ List_Restrictions : Boolean := False;
+ -- GNATBIND
+ -- Set to True to list restrictions pragmas that could apply to partition
+
List_Units : Boolean := False;
-- GNAT
- -- List units in the active library
+ -- List units in the active library for a compilation (-gnatu switch)
List_Dependencies : Boolean := False;
-- GNATMAKE
-- When True gnatmake verifies that the objects are up to date and
- -- outputs the list of object dependencies. This list can be used
- -- directly in a Makefile.
+ -- outputs the list of object dependencies (-M switch).
+ -- Output depends if -a switch is used or not.
+ -- This list can be used directly in a Makefile.
List_Representation_Info : Int range 0 .. 3 := 0;
-- GNAT
- -- Set true by -gnatR switch to list representation information.
+ -- Set non-zero by -gnatR switch to list representation information.
-- The settings are as follows:
--
-- 0 = no listing of representation information (default as above)
-- 2 = list rep info for all user defined types and objects
-- 3 = like 2, but variable fields are decoded symbolically
- Locking_Policy : Character := ' ';
+ List_Representation_Info_To_File : Boolean := False;
+ -- GNAT
+ -- Set true by -gnatRs switch. Causes information from -gnatR/1/2/3
+ -- to be written to file.rep (where file is the name of the source
+ -- file) instead of stdout. For example, if file x.adb is compiled
+ -- using -gnatR2s then representation info is written to x.adb.ref.
+
+ List_Representation_Info_Mechanisms : Boolean := False;
-- GNAT
+ -- Set true by -gnatRm switch. Causes information on mechanisms to
+ -- be included in the representation output information.
+
+ List_Preprocessing_Symbols : Boolean := False;
+ -- GNAT, GNATPREP
+ -- Set to True if symbols for preprocessing a source are to be listed
+ -- before preprocessing occurs. Set to True by switch -s of gnatprep
+ -- or -s in preprocessing data file for the compiler.
+
+ type Creat_Repinfo_File_Proc is access procedure (Src : File_Name_Type);
+ type Write_Repinfo_Line_Proc is access procedure (Info : String);
+ type Close_Repinfo_File_Proc is access procedure;
+ -- Types used for procedure addresses below
+
+ Creat_Repinfo_File_Access : Creat_Repinfo_File_Proc := null;
+ Write_Repinfo_Line_Access : Write_Repinfo_Line_Proc := null;
+ Close_Repinfo_File_Access : Close_Repinfo_File_Proc := null;
+ -- GNAT
+ -- These three locations are left null when operating in non-compiler
+ -- (e.g. ASIS mode), but when operating in compiler mode, they are
+ -- set to point to the three corresponding procedures in Osint. The
+ -- reason for this slightly strange interface is to prevent Repinfo
+ -- from dragging in Osint in ASIS mode, which would include a lot of
+ -- unwanted units in the ASIS build.
+
+ Locking_Policy : Character := ' ';
+ -- GNAT, GNATBIND
-- Set to ' ' for the default case (no locking policy specified).
-- Reset to first character (uppercase) of locking policy name if a
-- valid pragma Locking_Policy is encountered.
+ Locking_Policy_Sloc : Source_Ptr := No_Location;
+ -- GNAT, GNATBIND
+ -- Remember location of previous Locking_Policy pragma. This is used
+ -- for inconsistency error messages. A value of System_Location is
+ -- used if the policy is set in package System.
+
Look_In_Primary_Dir : Boolean := True;
- -- GNAT, GNATBIND, GNATMAKE
+ -- GNAT, GNATBIND, GNATMAKE, GNATCLEAN
-- Set to False if a -I- was present on the command line.
-- When True we are allowed to look in the primary directory to locate
-- other source or library files.
+ Make_Steps : Boolean := False;
+ -- GNATMAKE
+ -- Set to True when either Compile_Only, Bind_Only or Link_Only is
+ -- set to True.
+
+ Main_Index : Int := 0;
+ -- GNATMAKE
+ -- This is set to non-zero by gnatmake switch -eInnn to indicate that
+ -- the main program is the nnn unit in a multi-unit source file.
+
Mapping_File_Name : String_Ptr := null;
-- GNAT
-- File name of mapping between unit names, file names and path names.
Maximum_Errors : Int := 9999;
-- GNAT, GNATBIND
- -- Maximum number of errors before compilation is terminated
+ -- Maximum default number of errors before compilation is terminated.
+ -- Can be overridden using -gnatm (GNAT) or -m (GNATBIND) switch.
Maximum_File_Name_Length : Int;
-- GNAT, GNATBIND
-- extension, as set by the appropriate switch. If no switch is given,
-- then this value is initialized by Osint to the appropriate value.
+ Max_Line_Length : Int := Hostparm.Max_Line_Length;
+ -- This is a copy of Max_Line_Length used by the scanner. It is usually
+ -- set to be a copy of Hostparm.Max_Line_Length, and is used to check
+ -- the maximum line length in the scanner when style checking is inactive.
+ -- The only time it is set to a different value is during the scanning of
+ -- configuration pragma files, where we want to turn off all checking and
+ -- in particular we want to allow long lines. So we reset this value to
+ -- Column_Number'Last during scanning of configuration pragma files.
+
Maximum_Processes : Positive := 1;
-- GNATMAKE
-- Maximum number of processes that should be spawned to carry out
-- GNATMAKE
-- Set to True if minimal recompilation mode requested.
- No_Stdlib : Boolean := False;
- -- GNATMAKE
- -- Set to True if no default library search dirs added to search list.
-
- No_Stdinc : Boolean := False;
- -- GNATMAKE
- -- Set to True if no default source search dirs added to search list.
+ Multiple_Unit_Index : Int;
+ -- GNAT
+ -- This is set non-zero if the current unit is being compiled in multiple
+ -- unit per file mode, meaning that the current unit is selected from the
+ -- sequence of units in the current source file, using the value stored
+ -- in this variable (e.g. 2 = select second unit in file). A value of
+ -- zero indicates that we are in normal (one unit per file) mode.
No_Main_Subprogram : Boolean := False;
-- GNATMAKE, GNATBIND
-- Set to True if compilation/binding of a program without main
-- subprogram requested.
- Normalize_Scalars : Boolean := False;
+ No_Run_Time_Mode : Boolean := False;
+ -- GNAT, GNATBIND
+ -- This flag is set True if a No_Run_Time pragma is encountered. See
+ -- spec of Rtsfind for a full description of handling of this pragma.
+
+ No_Stdinc : Boolean := False;
+ -- GNAT, GNATBIND, GNATMAKE, GNATFIND, GNATXREF
+ -- Set to True if no default source search dirs added to search list
+
+ No_Stdlib : Boolean := False;
+ -- GNATMAKE, GNATBIND, GNATFIND, GNATXREF
+ -- Set to True if no default library search dirs added to search list
+
+ No_Strict_Aliasing : Boolean := False;
-- GNAT
+ -- Set True if pragma No_Strict_Aliasing with no parameters encountered
+
+ Normalize_Scalars : Boolean := False;
+ -- GNAT, GNATBIND
-- Set True if a pragma Normalize_Scalars applies to the current unit.
-- Note that Init_Or_Norm_Scalars is also set to True if this is True.
- No_Run_Time : Boolean := False;
- -- GNAT
- -- Set True if a valid pragma No_Run_Time is processed or if the
- -- flag Targparm.High_Integrity_Mode_On_Target is set True.
+ Object_Directory_Present : Boolean := False;
+ -- GNATMAKE
+ -- Set to True when an object directory is specified with option -D
type Operating_Mode_Type is (Check_Syntax, Check_Semantics, Generate_Code);
Operating_Mode : Operating_Mode_Type := Generate_Code;
-- code, which runs the parser, semantics and backend. Switches can be
-- used to set syntax checking only mode, or syntax and semantics checking
-- only mode. Operating_Mode can also be modified as a result of detecting
- -- errors during the compilation process. In particular if any error is
- -- detected then this flag is reset from Generate_Code to Check_Semantics
- -- after generating an error message.
+ -- errors during the compilation process. In particular if any serious
+ -- error is detected then this flag is reset from Generate_Code to
+ -- Check_Semantics after generating an error message.
+
+ Original_Operating_Mode : Operating_Mode_Type := Generate_Code;
+ -- GNAT
+ -- Indicates the original operating mode of the compiler as set by
+ -- compiler options. This is identical to Operating_Mode except that
+ -- this is not affected by errors.
+
+ Optimization_Level : Int;
+ pragma Import (C, Optimization_Level, "optimize");
+ -- This constant reflects the optimization level (0,1,2 for -O0,-O1,-O2)
Output_File_Name_Present : Boolean := False;
- -- GNATBIND, GNAT
+ -- GNATBIND, GNAT, GNATMAKE
-- Set to True when the output C file name is given with option -o
- -- for GNATBIND or when the object file name is given with option
- -- -gnatO for GNAT.
+ -- for GNATBIND, when the object file name is given with option
+ -- -gnatO for GNAT or when the executable is given with option -o
+ -- for GNATMAKE.
Output_Linker_Option_List : Boolean := False;
-- GNATBIND
-- Set to True if polling for asynchronous abort is enabled by using
-- the -gnatP option for GNAT.
+ Preprocessing_Data_File : String_Ptr := null;
+ -- GNAT
+ -- Set by switch -gnatep=. The file name of the prepocessing data file.
+
Print_Generated_Code : Boolean := False;
-- GNAT
-- Set to True to enable output of generated code in source form. This
-- flag is set by the -gnatG switch.
+ Print_Standard : Boolean := False;
+ -- GNAT
+ -- Set to true to enable printing of package standard in source form.
+ -- This flag is set by the -gnatS switch
+
Propagate_Exceptions : Boolean := False;
-- GNAT
-- Indicates if subprogram descriptor exception tables should be
-- built for imported subprograms. Set True if a Propagate_Exceptions
-- pragma applies to the extended main unit.
- Queuing_Policy : Character := ' ';
+ type Usage is (Unknown, Not_In_Use, In_Use);
+ Project_File_In_Use : Usage := Unknown;
-- GNAT
- -- Set to ' ' for the default case (no queuing policy specified). Reset to
+ -- Indicates if a project file is used or not.
+ -- Set to In_Use by the first SFNP pragma.
+
+ Queuing_Policy : Character := ' ';
+ -- GNAT, GNATBIND
+ -- Set to ' ' for the default case (no queuing policy specified).
-- Reset to first character (uppercase) of locking policy name if a valid
-- Queuing_Policy pragma is encountered.
+ Queuing_Policy_Sloc : Source_Ptr := No_Location;
+ -- GNAT, GNATBIND
+ -- Remember location of previous Queuing_Policy pragma. This is used
+ -- for inconsistency error messages. A value of System_Location is
+ -- used if the policy is set in package System.
+
Quiet_Output : Boolean := False;
- -- GNATMAKE
- -- Set to True if the list of compilation commands should not be output.
+ -- GNATMAKE, GNATCLEAN, GPR2MAKE
+ -- Set to True if the tool should not have any output if there are no
+ -- errors or warnings.
+
+ RTS_Lib_Path_Name : String_Ptr := null;
+ RTS_Src_Path_Name : String_Ptr := null;
+ -- GNAT
+ -- Set to the "adalib" and "adainclude" directories of the run time
+ -- specified by --RTS=.
+
+ RTS_Switch : Boolean := False;
+ -- GNAT, GNATMAKE, GNATBIND, GNATLS, GNATFIND, GNATXREF
+ -- Set to True when the --RTS switch is set
+
+ Run_Path_Option : Boolean := True;
+ -- GNATMAKE, GNATLINK
+ -- Set to False when no run_path_option should be issued to the linker
+
+ Sec_Stack_Used : Boolean := False;
+ -- GNAT, GBATBIND
+ -- Set True if generated code uses the System.Secondary_Stack package.
+ -- For the binder, set if any unit uses the secondary stack package.
+
+ Setup_Projects : Boolean := False;
+ -- GNAT DRIVER
+ -- Set to True for GNAT SETUP: the Project Manager creates non existing
+ -- object, library and exec directories.
Shared_Libgnat : Boolean;
-- GNATBIND
-- Set to True if a shared libgnat is requested by using the -shared
-- option for GNATBIND and to False when using the -static option. The
- -- value of this switch is set by Gnatbind.Scan_Bind_Arg.
-
- Software_Overflow_Checking : Boolean;
- -- GNAT
- -- Set to True by Osint.Initialize if the target requires the software
- -- approach to integer arithmetic overflow checking (i.e. the use of
- -- double length arithmetic followed by a range check). Set to False
- -- if the target implements hardware overflow checking.
+ -- value of this flag is set by Gnatbind.Scan_Bind_Arg.
Stack_Checking_Enabled : Boolean;
-- GNAT
-- in the gcc backend (see Frontend) and may be referenced throughout
-- the compilation phases.
- Strict_Math : aliased Boolean := False;
- -- GNAT
- -- This switch is set True if the current unit is to be compiled in
- -- strict math mode. The effect is to cause certain library file name
- -- substitutions to implement strict math semantics. See the routine
- -- Adjust_File_Name_For_Configuration, and also the configuration
- -- in the body of Opt.
- --
- -- Note: currently this switch is always False. Eventually it will be
- -- settable by a switch and a configuration pragma.
-
Style_Check : Boolean := False;
-- GNAT
-- Set True to perform style checks. Activates checks carried out
-- in which case it points to the argument of the pragma, and the name can
-- be located as Chars (Expression (System_Extend_Pragma_Arg)).
+ System_Extend_Unit : Node_Id := Empty;
+ -- GNAT
+ -- This is set to Empty if GNAT_Mode is set, since pragma Extend_System
+ -- is never appropriate in GNAT_Mode (and causes troubles, including
+ -- bogus circularities, if we try to compile the run-time library with
+ -- a System extension). If GNAT_Mode is not set, then System_Extend_Unit
+ -- is a copy of the value set in System_Extend_Pragma_Ary.
+
Subunits_Missing : Boolean := False;
+ -- GNAT
-- This flag is set true if missing subunits are detected with code
-- generation active. This causes code generation to be skipped.
- Suppress_Options : Suppress_Record;
+ Suppress_Checks : Boolean := False;
+ -- GNAT
+ -- Set to True if -gnatp (suppress all checks) switch present.
+
+ Suppress_Options : Suppress_Array;
-- GNAT
-- Flags set True to suppress corresponding check, i.e. add an implicit
-- pragma Suppress at the outer level of each unit compiled. Note that
-- these suppress actions can be overridden by the use of the Unsuppress
-- pragma. This variable is initialized by Osint.Initialize.
+ Suppress_Back_Annotation : Boolean := False;
+ -- GNAT
+ -- This flag is set True if back annotation of representation information
+ -- is to be suppressed. This is set if neither -gnatt or -gnatR0-3 is set.
+ -- This avoids unnecessary time being spent on back annotation.
+
Table_Factor : Int := 1;
+ -- GNAT
-- Factor by which all initial table sizes set in Alloc are multiplied.
-- Used in Table to calculate initial table sizes (the initial table
-- size is the value in Alloc, used as the Table_Initial parameter
-- used if no -gnatT switch appears.
Task_Dispatching_Policy : Character := ' ';
- -- GNAT
+ -- GNAT, GNATBIND
-- Set to ' ' for the default case (no task dispatching policy specified).
-- Reset to first character (uppercase) of task dispatching policy name
-- if a valid Task_Dispatching_Policy pragma is encountered.
+ Task_Dispatching_Policy_Sloc : Source_Ptr := No_Location;
+ -- GNAT, GNATBIND
+ -- Remember location of previous Task_Dispatching_Policy pragma. This is
+ -- used for inconsistency error messages. A value of System_Location is
+ -- used if the policy is set in package System.
+
Tasking_Used : Boolean := False;
-- Set True if any tasking construct is encountered. Used to activate the
- -- output of the Q, L and T lines in ali files.
+ -- output of the Q, L and T lines in ALI files.
Time_Slice_Set : Boolean := False;
+ -- GNATBIND
-- Set True if a pragma Time_Slice is processed in the main unit, or
- -- if the T switch is present to set a time slice value.
+ -- if the -gnatTnn switch is present to set a time slice value.
Time_Slice_Value : Nat;
+ -- GNATBIND
-- Time slice value. Valid only if Time_Slice_Set is True, i.e. if a
-- Time_Slice pragma has been processed. Set to the time slice value
-- in microseconds. Negative values are stored as zero, and the value
-- is not larger than 1_000_000_000 (1000 seconds). Values larger than
- -- this are reset to this maximum.
+ -- this are reset to this maximum. This can also be set with the -gnatTnn
+ -- switch.
Tolerate_Consistency_Errors : Boolean := False;
-- GNATBIND
- -- Tolerate time stamp and other consistency errors. If this switch is
- -- set true, then inconsistencies result in warnings rather than errors.
+ -- Tolerate time stamp and other consistency errors. If this flag is
+ -- set to True (-t), then inconsistencies result in warnings rather than
+ -- errors.
Tree_Output : Boolean := False;
-- GNAT
- -- Set True to generate output tree file
+ -- Set to True (-gnatt) to generate output tree file
Try_Semantics : Boolean := False;
-- GNAT
-- Flag set to force attempt at semantic analysis, even if parser errors
-- occur. This will probably cause blowups at this stage in the game. On
-- the other hand, most such blowups will be caught cleanly and simply
- -- say compilation abandoned.
+ -- say compilation abandoned. This flag is set to True by -gnatq or -gnatQ.
+
+ Undefined_Symbols_Are_False : Boolean := False;
+ -- GNAT, GNATPREP
+ -- Set to True by switch -u of gnatprep or -u in the preprocessing data
+ -- file for the compiler. Indicates that while preprocessing sources,
+ -- symbols that are not defined have the value FALSE.
Unique_Error_Tag : Boolean := Tag_Errors;
-- GNAT
-- Indicates if error messages are to be prefixed by the string error:
-- Initialized from Tag_Errors, can be forced on with the -gnatU switch.
+ Universal_Addressing_On_AAMP : Boolean := False;
+ -- GNAAMP
+ -- Indicates if library-level objects should be accessed and updated
+ -- using universal addressing instructions on the AAMP architecture.
+ -- This flag is set to True when pragma Universal_Data is given as
+ -- a configuration pragma.
+
Unreserve_All_Interrupts : Boolean := False;
-- GNAT, GNATBIND
-- Normally set False, set True if a valid Unreserve_All_Interrupts
Usage_Requested : Boolean := False;
-- GNAT, GNATBIND, GNATMAKE
- -- Set to True if h switch encountered requesting usage information
+ -- Set to True if -h (-gnath for the compiler) switch encountered
+ -- requesting usage information
Use_VADS_Size : Boolean := False;
-- GNAT
-- Set to True if a valid pragma Use_VADS_Size is processed
Validity_Checks_On : Boolean := True;
+ -- GNAT
-- This flag determines if validity checking is on or off. The initial
-- state is on, and the required default validity checks are active. The
-- actual set of checks that is performed if Validity_Checks_On is set
-- is defined by the switches in package Sem_Val. The Validity_Checks_On
- -- switch is controlled by pragma Validity_Checks (On | Off), and also
+ -- flag is controlled by pragma Validity_Checks (On | Off), and also
-- some generated compiler code (typically code that has to do with
- -- validity check generation) is compiled with this switch set to False.
+ -- validity check generation) is compiled with this flag set to False.
+ -- This flag is set to False by the -gnatp switch.
Verbose_Mode : Boolean := False;
- -- GNAT, GNATBIND
+ -- GNAT, GNATBIND, GNATMAKE, GNATLINK, GNATLS, GNATCHOP, GNATNAME,
+ -- GNATCLEAN
-- Set to True to get verbose mode (full error message text and location
-- information sent to standard output, also header, copyright and summary)
- Warn_On_Biased_Rounding : Boolean := False;
+ Warn_On_Bad_Fixed_Value : Boolean := False;
+ -- GNAT
+ -- Set to True to generate warnings for static fixed-point expression
+ -- values that are not an exact multiple of the small value of the type.
+
+ Warn_On_Constant : Boolean := False;
+ -- GNAT
+ -- Set to True to generate warnings for variables that could be declared
+ -- as constants. Modified by use of -gnatwk/K.
+
+ Warn_On_Dereference : Boolean := False;
-- GNAT
- -- Set to True to generate warnings for static constants that are rounded
- -- in a manner inconsistent with unbiased rounding (round to even). Can
- -- be modified by use of -gnatwb/B.
+ -- Set to True to generate warnings for implicit dereferences for array
+ -- indexing and record component access. Modified by use of -gnatwd/D.
+
+ Warn_On_Export_Import : Boolean := True;
+ -- GNAT
+ -- Set to True to generate warnings for suspicious use of export or
+ -- import pragmas. Modified by use of -gnatwx/X.
Warn_On_Hiding : Boolean := False;
-- GNAT
-- Set to True to generate warnings if a declared entity hides another
-- entity. The default is that this warning is suppressed.
+ Warn_On_Modified_Unread : Boolean := False;
+ -- GNAT
+ -- Set to True to generate warnings if a variable is assigned but is
+ -- never read. The default is that this warning is suppressed.
+
+ Warn_On_No_Value_Assigned : Boolean := True;
+ -- GNAT
+ -- Set to True to generate warnings if no value is ever assigned to a
+ -- variable that is at least partially uninitialized. Set to false to
+ -- suppress such warnings. The default is that such warnings are enabled.
+
+ Warn_On_Obsolescent_Feature : Boolean := False;
+ -- GNAT
+ -- Set to True to generate warnings on use of any feature in Annex J
+ -- or if a subprogram is called for which a pragma Obsolescent applies.
+
Warn_On_Redundant_Constructs : Boolean := False;
-- GNAT
-- Set to True to generate warnings for redundant constructs (e.g. useless
-- assignments/conversions). The default is that this warning is disabled.
+ Warn_On_Unchecked_Conversion : Boolean := True;
+ -- GNAT
+ -- Set to True to generate warnings for unchecked conversions that may have
+ -- non-portable semantics (e.g. because sizes of types differ). The default
+ -- is that this warning is enabled.
+
+ Warn_On_Unrecognized_Pragma : Boolean := True;
+ -- GNAT
+ -- Set to True to generate warnings for unrecognized pragmas. The default
+ -- is that this warning is enabled.
+
type Warning_Mode_Type is (Suppress, Normal, Treat_As_Error);
Warning_Mode : Warning_Mode_Type := Normal;
-- GNAT, GNATBIND
-- recognized in source programs regardless of the setting of this
-- variable. The default setting causes only the brackets notation
-- to be recognized. If this is the main unit, this setting also
- -- controls the output of the W=? parameter in the ali file, which
+ -- controls the output of the W=? parameter in the ALI file, which
-- is used to provide the default for Wide_Text_IO files.
Xref_Active : Boolean := True;
-- GNAT
- -- Set if cross-referencing is enabled (i.e. xref info in ali files)
+ -- Set if cross-referencing is enabled (i.e. xref info in ALI files)
Zero_Cost_Exceptions_Val : Boolean;
Zero_Cost_Exceptions_Set : Boolean := False;
-- handling mode set by argument switches (-gnatZ/-gnatL). If the
-- value is set by one of these switches, then Zero_Cost_Exceptions_Set
-- is set to True, and Zero_Cost_Exceptions_Val indicates the setting.
- -- This value is used to reset ZCX_By_Default_On_Target.
----------------------------
-- Configuration Settings --
-- command line switches, or by the use of appropriate configuration
-- pragmas in the gnat.adc file.
- Ada_83_Config : Boolean;
+ Ada_Version_Config : Ada_Version_Type;
-- GNAT
- -- This is the value of the configuration switch for Ada 83 mode, as set
- -- by the command line switch -gnat83, and possibly modified by the use
- -- of configuration pragmas Ada_95 and Ada_83 in the gnat.adc file. This
- -- switch is used to set the initial value for Ada_83 mode at the start
- -- of analysis of a unit. Note however, that the setting of this switch
+ -- This is the value of the configuration switch for the Ada 83 mode, as
+ -- set by the command line switches -gnat83/95/05, and possibly modified
+ -- by the use of configuration pragmas Ada_83/Ada95/Ada05. This switch
+ -- is used to set the initial value for Ada_Version mode at the start
+ -- of analysis of a unit. Note however, that the setting of this flag
-- is ignored for internal and predefined units (which are always compiled
- -- in Ada 95 mode).
+ -- in the most up to date version of Ada).
Dynamic_Elaboration_Checks_Config : Boolean := False;
-- GNAT
-- Set True for dynamic elaboration checking mode, as set by the -gnatE
-- switch or by the use of pragma Elaboration_Checking (Dynamic).
+ Exception_Locations_Suppressed_Config : Boolean := False;
+ -- GNAT
+ -- Set True by use of the configuration pragma Suppress_Exception_Messages
+
Extensions_Allowed_Config : Boolean;
-- GNAT
- -- This is the switch that indicates whether extensions are allowed.
+ -- This is the flag that indicates whether extensions are allowed.
-- It can be set True either by use of the -gnatX switch, or by use
-- of the configuration pragma Extensions_Allowed (On). It is always
-- set to True for internal GNAT units, since extensions are always
-- of external symbols for which an explicit external name is given. It
-- can be set to Uppercase by the command line switch -gnatF, and further
-- modified by the use of the configuration pragma External_Name_Casing
- -- in the gnat.adc file. This switch is used to set the initial value
+ -- in the gnat.adc file. This flag is used to set the initial value
-- for External_Name_Exp_Casing at the start of analyzing each unit.
- -- Note however that the setting of this switch is ignored for internal
+ -- Note however that the setting of this flag is ignored for internal
-- and predefined units (which are always compiled with As_Is mode).
External_Name_Imp_Casing_Config : External_Casing_Type;
-- of external symbols where the external name is implicitly given. It
-- can be set to Uppercase by the command line switch -gnatF, and further
-- modified by the use of the configuration pragma External_Name_Casing
- -- in the gnat.adc file. This switch is used to set the initial value
+ -- in the gnat.adc file. This flag is used to set the initial value
-- for External_Name_Imp_Casing at the start of analyzing each unit.
- -- Note however that the setting of this switch is ignored for internal
+ -- Note however that the setting of this flag is ignored for internal
-- and predefined units (which are always compiled with Lowercase mode).
Polling_Required_Config : Boolean;
-- This is the value of the configuration switch that controls polling
-- mode. It can be set True by the command line switch -gnatP, and then
-- further modified by the use of pragma Polling in the gnat.adc file.
- -- This switch is used to set the initial value for Polling_Required
+ -- This flag is used to set the initial value for Polling_Required
-- at the start of analyzing each unit.
Use_VADS_Size_Config : Boolean;
-- This is the value of the configuration switch that controls the use
-- of VADS_Size instead of Size whereever the attribute Size is used.
-- It can be set True by the use of the pragma Use_VADS_Size in the
- -- gnat.adc file. This switch is used to set the initial value for
+ -- gnat.adc file. This flag is used to set the initial value for
-- Use_VADS_Size at the start of analyzing each unit. Note however that
- -- the setting of this switch is ignored for internal and predefined
+ -- the setting of this flag is ignored for internal and predefined
-- units (which are always compiled with the standard Size semantics).
type Config_Switches_Type is private;
procedure Tree_Write;
-- Writes out switch settings to current tree file using Tree_Write
+ --------------------------
+ -- ASIS Version Control --
+ --------------------------
+
+ -- These two variables (Tree_Version_String and Tree_ASIS_Version_Number)
+ -- are supposed to be used in the GNAT/ASIS version check performed in
+ -- the ASIS code (this package is also a part of the ASIS implementation).
+ -- They are set by Tree_Read procedure, so they represent the version
+ -- number (and the version string) of the compiler which has created the
+ -- tree, and they are supposed to be compared with the corresponding values
+ -- from the Gnatvsn package which is a part of ASIS implementation.
+
+ 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 string in Gnatvsn.
+ -- Therefore its length is taken directly from the version string in
+ -- Gnatvsn. If the length of the version string stored in the tree is
+ -- different, then versions are for sure different, and a string containing
+ -- '?' characters is assigned to this variable as a result of tree read.
+
+ Tree_ASIS_Version_Number : Int;
+ -- Used to store the ASIS version number read from a tree file to check if
+ -- it is the same as stored in the ASIS version number in Gnatvsn.
+
private
type Config_Switches_Type is record
- Ada_83 : Boolean;
- Dynamic_Elaboration_Checks : Boolean;
- Extensions_Allowed : Boolean;
- External_Name_Exp_Casing : External_Casing_Type;
- External_Name_Imp_Casing : External_Casing_Type;
- Polling_Required : Boolean;
- Use_VADS_Size : Boolean;
+ Ada_Version : Ada_Version_Type;
+ Dynamic_Elaboration_Checks : Boolean;
+ Exception_Locations_Suppressed : Boolean;
+ Extensions_Allowed : Boolean;
+ External_Name_Exp_Casing : External_Casing_Type;
+ External_Name_Imp_Casing : External_Casing_Type;
+ Polling_Required : Boolean;
+ Use_VADS_Size : Boolean;
end record;
end Opt;
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