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diff --git a/gcc-4.7/gcc/ada/opt.ads b/gcc-4.7/gcc/ada/opt.ads deleted file mode 100644 index 555283c62..000000000 --- a/gcc-4.7/gcc/ada/opt.ads +++ /dev/null @@ -1,1960 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT COMPILER COMPONENTS -- --- -- --- O P T -- --- -- --- S p e c -- --- -- --- Copyright (C) 1992-2011, 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. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - --- This package contains global flags set by the initialization routine from --- the command line and referenced throughout the compiler, the binder, or --- other GNAT tools. The comments indicate which options are used by which --- programs (GNAT, GNATBIND, GNATLINK, GNATMAKE, GPRMAKE, etc). - --- Some flags are labelled "PROJECT MANAGER". These are used by tools that --- use the Project Manager. These tools include gnatmake, gnatname, the gnat --- driver, gnatclean, gprbuild and gprclean. - -with Hostparm; use Hostparm; -with Types; use Types; - -pragma Warnings (Off); --- This package is used also by gnatcoll -with System.Strings; use System.Strings; -with System.WCh_Con; use System.WCh_Con; -pragma Warnings (On); - -package Opt is - - ---------------------- - -- Checksum Control -- - ---------------------- - - -- Checksums are computed for sources to check for sources being the same - -- from a compilation point of view (e.g. spelling of identifiers and - -- white space layout do not count in this computation). - - -- The way the checksum is computed has evolved across the various versions - -- of GNAT. When gprbuild is called with -m, the checksums must be computed - -- the same way in gprbuild as it was in the GNAT version of the compiler. - -- The different ways are - - -- Version 6.4 and later: - - -- The Accumulate_Token_Checksum procedure is called after each numeric - -- literal and each identifier/keyword. For keywords, Tok_Identifier is - -- used in the call to Accumulate_Token_Checksum. - - -- Versions 5.04 to 6.3: - - -- For keywords, the token value were used in the call to procedure - -- Accumulate_Token_Checksum. Type Token_Type did not include Tok_Some. - - -- Versions 5.03: - - -- For keywords, the token value were used in the call to - -- Accumulate_Token_Checksum. Type Token_Type did not include - -- Tok_Interface, Tok_Overriding, Tok_Synchronized and Tok_Some. - - -- Versions 5.02 and before: - - -- No calls to procedure Accumulate_Token_Checksum (the checksum - -- mechanism was introduced in version 5.03). - - -- To signal to the scanner whether Accumulate_Token_Checksum needs to be - -- called and what versions to call, the following Boolean flags are used: - - Checksum_Accumulate_Token_Checksum : Boolean := True; - -- GPRBUILD - -- Set to False by gprbuild when the version of GNAT is 5.02 or before. If - -- this switch is False, then we do not call Accumulate_Token_Checksum, so - -- the setting of the following two flags is irrelevant. - - Checksum_GNAT_6_3 : Boolean := False; - -- GPRBUILD - -- Set to True by gprbuild when the version of GNAT is 6.3 or before. - - Checksum_GNAT_5_03 : Boolean := False; - -- GPRBUILD - -- Set to True by gprbuild when the version of GNAT is 5.03 or before. - - ---------------------------------------------- - -- Settings of Modes for Current Processing -- - ---------------------------------------------- - - -- The following mode values represent the current state of processing. - -- The values set here are the default values. Unless otherwise noted, - -- the value may be reset in Switch-? with an appropriate switch. In - -- some cases, the values can also be modified by pragmas, and in the - -- case of some binder variables, Gnatbind.Scan_Bind_Arg may modify - -- the default values. - - type Ada_Version_Type is (Ada_83, Ada_95, Ada_2005, Ada_2012); - pragma Ordered (Ada_Version_Type); - -- Versions of Ada for Ada_Version below. Note that these are ordered, - -- so that tests like Ada_Version >= Ada_95 are legitimate and useful. - -- Think twice before using "="; Ada_Version >= Ada_2012 is more likely - -- what you want, because it will apply to future versions of the language. - - Ada_Version_Default : constant Ada_Version_Type := Ada_2005; - pragma Warnings (Off, Ada_Version_Default); - -- GNAT - -- Default Ada version if no switch given. The Warnings off is to kill - -- constant condition warnings. - -- - -- WARNING: some scripts rely on the format of this line of code. Any - -- change must be coordinated with the scripts requirements. - - Ada_Version : Ada_Version_Type := Ada_Version_Default; - -- GNAT - -- Current Ada version for compiler, as set by configuration pragmas, - -- compiler switches, or implicitly (to Ada_Version_Runtime) when a - -- predefined or internal file is compiled. - - Ada_Version_Explicit : Ada_Version_Type := Ada_Version_Default; - -- GNAT - -- Like Ada_Version, but does not get set implicitly for predefined - -- or internal units, so it reflects the Ada version explicitly set - -- using configuration pragmas or compiler switches (or if neither - -- appears, it remains set to Ada_Version_Default). This is used in - -- the rare cases (notably for pragmas Preelaborate_05 and Pure_05/12) - -- where in the run-time we want the explicit version set. - - Ada_Version_Runtime : Ada_Version_Type := Ada_2012; - -- GNAT - -- Ada version used to compile the runtime. Used to set Ada_Version (but - -- not Ada_Version_Explicit) when compiling predefined or internal units. - - 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"; - Ada_Init_Name : String_Ptr := new String'("ada" & Ada_Init_Suffix); - -- GNATBIND - -- The name of the procedure that performs initialization at the start - -- of execution. This variable may be modified by Gnatbind.Scan_Bind_Arg. - - Ada_Main_Name_Suffix : constant String := "main"; - -- GNATBIND - -- The suffix for Ada_Main_Name. Defined as a constant here so that it - -- can be referenced in a uniform manner to create either the default - -- value of Ada_Main_Name (declared below), or the non-default name - -- set by Gnatbind.Scan_Bind_Arg. - - Ada_Main_Name : String_Ptr := new String'("ada_" & Ada_Main_Name_Suffix); - -- GNATBIND - -- The name of the Ada package generated by the binder (when in Ada mode). - -- This variable may be modified by Gnatbind.Scan_Bind_Arg. - - Address_Clause_Overlay_Warnings : Boolean := True; - -- 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 - -- also repeated error messages for references to undefined identifiers - -- and certain other repeated error messages. Set by use of -gnatf. - - All_Sources : Boolean := False; - -- GNATBIND - -- Set to True to require all source files to be present. This flag is - -- 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. - - 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 cannot do back annotation). - - Assertions_Enabled : Boolean := False; - -- GNAT - -- Enable assertions made using pragma Assert - - Assume_No_Invalid_Values : Boolean := False; - -- GNAT - -- Normally, in accordance with (RM 13.9.1 (9-11)) the front end assumes - -- that values could have invalid representations, unless it can clearly - -- prove that the values are valid. If this switch is set (by -gnatB or by - -- pragma Assume_No_Invalid_Values (Off)), then the compiler assumes values - -- are valid and in range of their representations. This feature is now - -- fully enabled in the compiler. - - Back_Annotate_Rep_Info : Boolean := False; - -- GNAT - -- 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. - - Back_End_Handles_Limited_Types : Boolean; - -- This flag is set true if the back end can properly handle limited or - -- other by reference types, and avoid copies. If this flag is False, then - -- the front end does special expansion for conditional expressions to make - -- sure that no copy occurs. If the flag is True, then the expansion for - -- conditional expressions relies on the back end properly handling things. - -- Currently the default is False for all cases (set in gnat1drv). The - -- default can be modified using -gnatd.L (sets the flag True). - - Bind_Alternate_Main_Name : Boolean := False; - -- GNATBIND - -- 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 False if not binding main Ada program - - Bind_For_Library : Boolean := False; - -- GNATBIND - -- Set to True if the binder needs to generate a file designed for building - -- a library. May be set to True by Gnatbind.Scan_Bind_Arg. - - Bind_Only : Boolean := False; - -- GNATMAKE, GPRMAKE, GPRBUILD - -- 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 - -- 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 normally do need to check source - -- consistencies in gnatmake. - - Check_Only : Boolean := False; - -- GNATBIND - -- Set to True to do checks only, no output of binder file - - Check_Policy_List : Node_Id := Empty; - -- GNAT - -- This points to the list of N_Pragma nodes for Check_Policy pragmas - -- that are linked through the Next_Pragma fields, with the list being - -- terminated by Empty. The order is most recently processed first. Note - -- that Push_Scope and Pop_Scope in Sem_Ch8 save and restore the value - -- of this variable, implementing the required scope control for pragmas - -- appearing a declarative part. - - Check_Readonly_Files : Boolean := False; - -- GNATMAKE - -- Set to True to check readonly files during the make process - - Check_Source_Files : Boolean := True; - -- 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 - -- directly modified by gnatmake, to affect the shared binder routines. - - Check_Switches : Boolean := False; - -- GNATMAKE, GPRMAKE, GPBUILD - -- Set to True to check compiler options during the make process - - Check_Unreferenced : Boolean := False; - -- GNAT - -- 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. - - CodePeer_Mode : Boolean := False; - -- GNAT, GNATBIND - -- Enable full CodePeer mode (SCIL generation, disable switches that - -- interact badly with it, etc...). - - Commands_To_Stdout : Boolean := False; - -- GNATMAKE - -- True if echoed commands to be written to stdout instead of stderr - - Comment_Deleted_Lines : Boolean := False; - -- GNATPREP - -- True if source lines removed by the preprocessor should be commented - -- in the output file. - - Compile_Only : Boolean := False; - -- GNATMAKE, GNATCLEAN, GPRMAKE, GPBUILD, GPRCLEAN - -- GNATMAKE, GPRMAKE, GPRMAKE: - -- set to True to skip bind and link steps (except when Bind_Only is - -- True). - -- GNATCLEAN, GPRCLEAN: - -- set to True to delete only the files produced by the compiler but not - -- the library files or the executable files. - - Config_File : Boolean := True; - -- GNAT - -- Set to False to inhibit reading and processing of gnat.adc file - - Config_File_Names : String_List_Access := null; - -- GNAT - -- 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, GPRMAKE - -- Set to True (-C switch) to indicate that the compiler will be invoked - -- with a mapping file (-gnatem compiler switch). - - Debug_Pragmas_Enabled : Boolean := False; - -- GNAT - -- Enable debug statements from pragma Debug - - Debug_Pragmas_Disabled : Boolean := False; - -- GNAT - -- Debug pragmas completely disabled (no semantic checking) - - 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 still true ??? - - Debug_Generated_Code : Boolean := False; - -- GNAT - -- Set True (-gnatD switch) to debug generated expanded code instead - -- 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_Stack_Size : Int := -1; - -- GNATBIND - -- Set to default primary stack size in units of bytes. Set by - -- the -dnnn switch for the binder. A value of -1 indicates that no - -- default was set by the binder. - - Default_Sec_Stack_Size : Int := -1; - -- GNATBIND - -- Set to default secondary stack size in units of bytes. 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. - - Default_Pool : Node_Id := Empty; - -- GNAT - -- Used to record the storage pool name (or null literal) that is the - -- argument of an applicable pragma Default_Storage_Pool. - -- Empty: No pragma Default_Storage_Pool applies. - -- N_Null node: "pragma Default_Storage_Pool (null);" applies. - -- otherwise: "pragma Default_Storage_Pool (X);" applies, and - -- this points to the name X. - -- Push_Scope and Pop_Scope in Sem_Ch8 save and restore this value. - - 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, GPRMAKE, GPRBUILD - -- Set True (-d switch) to display information on progress while compiling - -- files. Internal flag to be used in conjunction with an IDE (e.g GPS). - - type Distribution_Stub_Mode_Type is - -- GNAT - (No_Stubs, - -- Normal mode, no generation/compilation of distribution stubs - - Generate_Receiver_Stub_Body, - -- The unit being compiled is the RCI body, and the compiler will - -- generate the body for the receiver stubs and compile it. - - Generate_Caller_Stub_Body); - -- The unit being compiled is the RCI spec, and the compiler will - -- generate the body for the caller stubs and compile it. - - Distribution_Stub_Mode : Distribution_Stub_Mode_Type := No_Stubs; - -- GNAT - -- This enumeration variable indicates the five states of distribution - -- annex stub generation/compilation. - - Do_Not_Execute : Boolean := False; - -- GNATMAKE - -- Set to True if no actual compilations should be undertaken. - - Dump_Source_Text : Boolean := False; - -- GNAT - -- Set to True (by -gnatL) to dump source text intermingled with generated - -- code. Effective only if either of Debug/Print_Generated_Code is true. - - Dynamic_Elaboration_Checks : Boolean := False; - -- GNAT - -- Set True for dynamic elaboration checking mode, as set by the -gnatE - -- switch or by the use of pragma Elaboration_Checks (Dynamic). - - Dynamic_Stack_Measurement : Boolean := False; - -- GNATBIND - -- Set True to enable dynamic stack measurement (-u flag for gnatbind) - - Dynamic_Stack_Measurement_Array_Size : Nat := 100; - -- GNATBIND - -- Number of measurements we want to store during dynamic stack analysis. - -- When the buffer is full, non-storable results will be output on the fly. - -- The value is relevant only if Dynamic_Stack_Measurement is set. Set - -- by processing of -u flag for gnatbind. - - Elab_Dependency_Output : Boolean := False; - -- GNATBIND - -- Set to True to output complete list of elaboration constraints - - Elab_Order_Output : Boolean := False; - -- GNATBIND - -- Set to True to output chosen elaboration order - - Elab_Warnings : Boolean := False; - -- GNAT - -- Set to True to generate full elaboration warnings (-gnatwl) - - Enable_Overflow_Checks : Boolean := False; - -- GNAT - -- Set to True if -gnato (enable overflow checks) switch is set, - -- but not -gnatp. - - Error_Msg_Line_Length : Nat := 0; - -- GNAT - -- Records the error message line length limit. If this is set to zero, - -- then we get the old style behavior, in which each call to the error - -- message routines generates one line of output as a separate message. - -- If it is set to a non-zero value, then continuation lines are folded - -- to make a single long message, and then this message is split up into - -- multiple lines not exceeding the specified length. Set by -gnatj=nn. - - Exception_Handler_Encountered : Boolean := False; - -- GNAT - -- This flag is set true if the parser encounters an exception handler. - -- It is used to set Warn_On_Exception_Propagation True if the restriction - -- No_Exception_Propagation is set. - - Exception_Extra_Info : Boolean := False; - -- GNAT - -- True when switch -gnateE is used. When True, generate extra information - -- associated with exception messages (in particular range and index - -- checks). - - Exception_Locations_Suppressed : Boolean := False; - -- GNAT - -- Set to 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. - - Back_End_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. - 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). The C convention is there to make this - -- variable accessible to gigi. - - Exception_Tracebacks : Boolean := False; - -- GNATBIND - -- Set to True to store tracebacks in exception occurrences (-E) - - Extensions_Allowed : Boolean := False; - -- GNAT - -- Set to True by switch -gnatX if GNAT specific language extensions - -- are allowed. For example, the use of 'Constrained with objects of - -- generic types is a GNAT extension. - - type External_Casing_Type is ( - As_Is, -- External names cased as they appear in the Ada source - Uppercase, -- External names forced to all uppercase letters - Lowercase); -- External names forced to all lowercase letters - - External_Name_Imp_Casing : External_Casing_Type := Lowercase; - -- 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 - -- identifier. The As_Is setting is not permitted here (since this would - -- create Ada source programs that were case sensitive). - - External_Name_Exp_Casing : External_Casing_Type := As_Is; - -- 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 - -- lowercase or all uppercase letters as appropriate. Note that this - -- setting has no effect if the external name is given using an identifier - -- in the case of extended DEC import/export pragmas (in this case the - -- casing is controlled by External_Name_Imp_Casing), and also has no - -- 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. - - Fast_Math : Boolean := False; - -- GNAT - -- Indicates the current setting of Fast_Math mode, as set by the use - -- of a Fast_Math pragma (set on by Fast_Math (On)). - - Float_Format : Character := ' '; - -- GNAT - -- A non-blank value indicates that a Float_Format pragma has been - -- processed, in which case this variable is set to 'I' for IEEE or - -- to 'V' for VAX. The setting of 'V' is only possible on OpenVMS - -- versions of GNAT. - - Float_Format_Long : Character := ' '; - -- GNAT - -- A non-blank value indicates that a Long_Float pragma has been - -- processed (this pragma is recognized only in OpenVMS versions - -- of GNAT), in which case this variable is set to D or G for - -- D_Float or G_Float. - - Force_ALI_Tree_File : Boolean := False; - -- GNAT - -- Force generation of ALI file even if errors are encountered. - -- Also forces generation of tree file if -gnatt is also set. - - Disable_ALI_File : Boolean := False; - -- GNAT - -- Disable generation of ALI file - - 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, GPRMAKE, GPRBUILD - -- Set to force recompilations even when the objects are up-to-date. - - Full_Path_Name_For_Brief_Errors : Boolean := False; - -- PROJECT MANAGER - -- 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 - - Full_List_File_Name : String_Ptr := null; - -- GNAT - -- Set to file name to generate full source listing to named file (or if - -- the name is of the form .xxx, then to name.xxx where name is the source - -- file name with extension stripped. - - Generate_Processed_File : Boolean := False; - -- GNAT - -- True when switch -gnateG is used. When True, create in a file - -- <source>.prep, if the source is preprocessed. - - Generate_SCO : Boolean := False; - -- GNAT - -- True when switch -gnateS is used. When True, Source Coverage Obligation - -- (SCO) information is generated and output in the ALI file. See unit - -- Par_SCO for full details. - - Generating_Code : Boolean := False; - -- GNAT - -- True if the frontend finished its work and has called the backend to - -- process the tree and generate the object file. - - Global_Discard_Names : Boolean := False; - -- GNAT, GNATBIND - -- True if a pragma Discard_Names appeared as a configuration pragma for - -- the current compilation unit. - - GNAT_Mode : Boolean := False; - -- GNAT - -- True if compiling in GNAT system mode (-gnatg switch) - - Heap_Size : Nat := 0; - -- GNATBIND - -- Heap size for memory allocations. Valid values are 32 and 64. Only - -- available on VMS. - - HLO_Active : Boolean := False; - -- GNAT - -- True if High Level Optimizer is activated (-gnatH switch) - - Identifier_Character_Set : Character; - -- GNAT - -- This variable indicates the character set to be used for identifiers. - -- The possible settings are: - -- '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) - -- 'w' Latin-1 plus wide characters allowed in identifiers - -- - -- The setting affects the set of letters allowed in identifiers and the - -- upper/lower case equivalences. It does not affect the interpretation of - -- character and string literals, which are always stored using the actual - -- coding in the source program. This variable is initialized to the - -- default value appropriate to the system (in Osint.Initialize), and then - -- reset if a command line switch is used to change the setting. - - Ignore_Rep_Clauses : Boolean := False; - -- GNAT - -- Set True to ignore all representation clauses. Useful when compiling - -- code from foreign compilers for checking or ASIS purposes. Can be - -- set True by use of -gnatI. - - Implementation_Unit_Warnings : Boolean := True; - -- GNAT - -- Set True to active warnings for use of implementation internal units. - -- Can be controlled by use of -gnatwi/-gnatwI. - - Implicit_Packing : Boolean := False; - -- GNAT - -- If set True, then a Size attribute clause on an array is allowed to - -- cause implicit packing instead of generating an error message. Set by - -- use of pragma Implicit_Packing. - - Ineffective_Inline_Warnings : Boolean := False; - -- GNAT - -- Set True to activate warnings if front-end inlining (-gnatN) is not - -- able to actually inline a particular call (or all calls). Can be - -- controlled by use of -gnatwp/-gnatwP. - - Init_Or_Norm_Scalars : Boolean := False; - -- GNAT, GANTBIND - -- Set True if a pragma Initialize_Scalars applies to the current unit. - -- Also set True if a pragma Normalize_Scalars applies. - - Initialize_Scalars : Boolean := False; - -- GNAT - -- 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_Mode1 : Character := 'I'; - Initialize_Scalars_Mode2 : Character := 'N'; - -- GNATBIND - -- 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. - - Generate_SCIL : Boolean := False; - -- GNAT - -- Set True to activate SCIL code generation. - - Invalid_Value_Used : Boolean := False; - -- GNAT - -- Set True if a valid Invalid_Value attribute is encountered - - Follow_Links_For_Files : Boolean := False; - -- PROJECT MANAGER - -- Set to True (-eL) to process the project files in trusted mode. If - -- Follow_Links is False, it is assumed that the project doesn't contain - -- any file duplicated through symbolic links (although the latter are - -- still valid if they point to a file which is outside of the project), - -- and that no directory has a name which is a valid source name. - - Follow_Links_For_Dirs : Boolean := False; - -- PROJECT MANAGER - -- Set to True if directories can be links in this project, and therefore - -- additional system calls must be performed to ensure that we always see - -- the same full name for each directory. - - Front_End_Inlining : Boolean := False; - -- GNAT - -- Set True to activate inlining by front-end expansion - - Inline_Processing_Required : Boolean := False; - -- GNAT - -- Set True if inline processing is required. Inline processing is required - -- if an active Inline pragma is processed. The flag is set for a pragma - -- Inline or Inline_Always that is actually active. - - In_Place_Mode : Boolean := False; - -- GNATMAKE - -- Set True to store ALI and object files in place i.e. in the object - -- directory if these files already exist or in the source directory - -- if not. - - Keep_Going : Boolean := False; - -- GNATMAKE, GPRMAKE, GPRBUILD - -- When True signals 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. - - Leap_Seconds_Support : Boolean := False; - -- GNATBIND - -- Set to True to enable leap seconds support in Ada.Calendar and its - -- children. - - Link_Only : Boolean := False; - -- GNATMAKE, GPRMAKE, GPRBUILD - -- Set to True to skip compile and bind steps (except when Bind_Only is - -- set to True). - - List_Inherited_Aspects : Boolean := False; - -- GNAT - -- List inherited invariants, preconditions, and postconditions from - -- Invariant'Class, Pre'Class, and Post'Class aspects. Also list inherited - -- subtype predicates. Set True by use of -gnatw.l and False by use of - -- -gnatw.L. - - 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 for a compilation (-gnatu switch) - - List_Closure : Boolean := False; - -- GNATBIND - -- List all sources in the closure of a main (-R gnatbind switch) - - List_Dependencies : Boolean := False; - -- GNATMAKE - -- When True gnatmake verifies that the objects are up to date and - -- 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 non-zero by -gnatR switch to list representation information. - -- The settings are as follows: - -- - -- 0 = no listing of representation information (default as above) - -- 1 = list rep info for user defined record and array types - -- 2 = list rep info for all user defined types and objects - -- 3 = like 2, but variable fields are decoded symbolically - - 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 Create_Repinfo_File_Proc is access procedure (Src : String); - type Write_Repinfo_Line_Proc is access procedure (Info : String); - type Close_Repinfo_File_Proc is access procedure; - -- Types used for procedure addresses below - - Create_Repinfo_File_Access : Create_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-C. The reason for this - -- slightly strange interface is to stop Repinfo from dragging in Osint in - -- ASIS mode, which would include lots of unwanted units in the ASIS build. - - type Create_List_File_Proc is access procedure (S : String); - type Write_List_Info_Proc is access procedure (S : String); - type Close_List_File_Proc is access procedure; - -- Types used for procedure addresses below - - Create_List_File_Access : Create_List_File_Proc := null; - Write_List_Info_Access : Write_List_Info_Proc := null; - Close_List_File_Access : Close_List_File_Proc := null; - -- GNAT - -- These three locations are left null when operating in non-compiler - -- (e.g. from the binder), but when operating in compiler mode, they are - -- set to point to the three corresponding procedures in Osint-C. The - -- reason for this slightly strange interface is to prevent Repinfo - -- from dragging in Osint-C in the binder, which would include unwanted - -- units in the binder. - - 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, 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. - -- (given by switch -gnatem) - - Maximum_Messages : Int := 9999; - -- GNAT, GNATBIND - -- Maximum default number of errors before compilation is terminated, or in - -- the case of GNAT, maximum number of warnings before further warnings are - -- suppressed. Can be overridden by -gnatm (GNAT) or -m (GNATBIND) switch. - - Maximum_File_Name_Length : Int; - -- GNAT, GNATBIND - -- Maximum number of characters allowed in a file name, not counting the - -- extension, as set by the appropriate switch. If no switch is given, - -- then this value is initialized by Osint to the appropriate value. - - Maximum_Processes : Positive := 1; - -- GNATMAKE, GPRMAKE, GPRBUILD - -- Maximum number of processes that should be spawned to carry out - -- compilations. - - Minimal_Recompilation : Boolean := False; - -- GNATMAKE - -- Set to True if minimal recompilation mode requested - - Special_Exception_Package_Used : Boolean := False; - -- GNAT - -- Set to True if either of the unit GNAT.Most_Recent_Exception or - -- GNAT.Exception_Traces is with'ed. Used to inhibit transformation of - -- local raise statements into gotos in the presence of either package. - - 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. - - 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_Split_Units : Boolean := False; - -- GPRBUILD - -- Set to True with switch --no-split-units. When True, unit sources, spec, - -- body and subunits, must all be in the same project.This is checked after - -- each compilation. - - 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. - - Object_Directory_Present : Boolean := False; - -- GNATMAKE - -- Set to True when an object directory is specified with option -D - - One_Compilation_Per_Obj_Dir : Boolean := False; - -- GNATMAKE, GPRBUILD - -- Set to True with switch --single-compile-per-obj-dir. When True, there - -- cannot be simultaneous compilations with the object files in the same - -- object directory, if project files are used. - - type Operating_Mode_Type is (Check_Syntax, Check_Semantics, Generate_Code); - Operating_Mode : Operating_Mode_Type := Generate_Code; - -- GNAT - -- Indicates the operating mode of the compiler. The default is generate - -- 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 serious - -- error is detected then this flag is reset from Generate_Code to - -- Check_Semantics after generating an error message. - - Optimize_Alignment : Character := 'O'; - -- Setting of Optimize_Alignment, set to T/S/O for time/space/off. Can - -- be modified by use of pragma Optimize_Alignment. - - Optimize_Alignment_Local : Boolean := False; - -- Set True if Optimize_Alignment mode is set by a local configuration - -- pragma that overrides the gnat.adc (or other configuration file) default - -- so that the unit is not dependent on the default setting. Also always - -- set True for internal units, since these always have a default setting - -- of Optimize_Alignment (Off) that is enforced (essentially equivalent to - -- them all having such an explicit pragma in each unit). - - 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"); - -- Constant reflecting the optimization level (0,1,2,3 for -O0,-O1,-O2,-O3) - -- See jmissing.c and aamissing.c for definitions for dotnet/jgnat and - -- GNAAMP back ends. - - Optimize_Size : Int; - pragma Import (C, Optimize_Size, "optimize_size"); - -- Constant reflecting setting of -Os (optimize for size). Set to nonzero - -- in -Os mode and set to zero otherwise. See jmissing.c and aamissing.c - -- for definitions of "optimize_size" for dotnet/jgnat and GNAAMP backends - - Output_File_Name_Present : Boolean := False; - -- GNATBIND, GNAT, GNATMAKE, GPRMAKE - -- Set to True when the output C file name is given with option -o 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 or GPRMAKE. - - Output_Linker_Option_List : Boolean := False; - -- GNATBIND - -- True if output of list of linker options is requested (-K switch set) - - Output_ALI_List : Boolean := False; - ALI_List_Filename : String_Ptr; - -- GNATBIND - -- True if output of list of ALIs is requested (-A switch set). List is - -- output under the given filename, or standard output if not specified. - - Output_Object_List : Boolean := False; - Object_List_Filename : String_Ptr; - -- GNATBIND - -- True if output of list of objects is requested (-O switch set). List is - -- output under the given filename, or standard output if not specified. - - Overflow_Checks_Unsuppressed : Boolean := False; - -- GNAT - -- Set to True if at least one occurrence of pragma Unsuppress - -- (All_Checks|Overflow_Checks) has been processed. - - Persistent_BSS_Mode : Boolean := False; - -- GNAT - -- True if a Persistent_BSS configuration pragma is in effect, causing - -- potentially persistent data to be placed in the persistent_bss section. - - Pessimistic_Elab_Order : Boolean := False; - -- GNATBIND - -- True if pessimistic elaboration order is to be chosen (-p switch set) - - Polling_Required : Boolean := False; - -- GNAT - -- 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 preprocessing data file. - - Preprocessing_Symbol_Defs : String_List_Access := new String_List (1 .. 4); - -- An extensible array to temporarily stores symbol definitions specified - -- on the command line with -gnateD switches. - -- What is this magic constant 4 ??? - -- What is extensible about this fixed length array ??? - - Preprocessing_Symbol_Last : Natural := 0; - -- Index of last symbol definition in array Symbol_Definitions - - 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. - - type Usage is (Unknown, Not_In_Use, In_Use); - Project_File_In_Use : Usage := Unknown; - -- GNAT - -- 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, GNATCLEAN, GPRMAKE, GPRBUILD, GPRCLEAN - -- Set to True if the tool should not have any output if there are no - -- errors or warnings. - - Replace_In_Comments : Boolean := False; - -- GNATPREP - -- Set to True if -C switch used - - 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 - - Search_Directory_Present : Boolean := False; - -- GNAT - -- Set to True when argument is -I. Reset to False when next argument, a - -- search directory path is taken into account. Note that this is quite - -- different from other switches in this section in that it is only set in - -- a transitory manner as a result of scanning a -I switch with no file - -- name, and if set, is an indication that the next argument is to be - -- treated as a file name. - - 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 flag is set by Gnatbind.Scan_Bind_Arg. - - Short_Circuit_And_Or : Boolean := False; - -- GNAT - -- Set True if a pragma Short_Circuit_And_Or applies to the current unit. - - Short_Descriptors : Boolean := False; - -- GNAT - -- Set True if a pragma Short_Descriptors applies to the current unit. - - Sprint_Line_Limit : Nat := 72; - -- GNAT - -- Limit values for chopping long lines in Sprint output, can be reset - -- by use of NNN parameter with -gnatG or -gnatD switches. - - Stack_Checking_Enabled : Boolean; - -- GNAT - -- Set to indicate if -fstack-check switch is set for the compilation. True - -- means that the switch is set, so that stack checking is enabled. False - -- means that the switch is not set (no stack checking). This value is - -- obtained from the external imported value flag_stack_check in the gcc - -- backend (see Frontend) and may be referenced throughout the compilation - -- phases. - - Style_Check : Boolean := False; - -- GNAT - -- Set True to perform style checks. Activates checks carried out in - -- package Style (see body of this package for details of checks). This - -- flag is set True by either the -gnatg or -gnaty switches. - - Suppress_All_Inlining : Boolean := False; - -- GNAT - -- Set by -fno-inline. Suppresses all inlining, both front end and back end - -- regardless of any other switches that are set. - - Suppress_Control_Flow_Optimizations : Boolean := False; - -- GNAT - -- Set by -fpreserve-control-flow. Suppresses control flow optimizations - -- that interfere with coverage analysis based on the object code. - - System_Extend_Pragma_Arg : Node_Id := Empty; - -- GNAT - -- Set non-empty if and only if a correct Extend_System pragma was present - -- 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_Arg. - - 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_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 value, - -- multiplied by the factor given here. The default value is used if no - -- -gnatT switch appears. - - Tagged_Type_Expansion : Boolean := True; - -- GNAT - -- Set True if tagged types and interfaces should be expanded by the - -- front-end. If False, the original tree is left unexpanded for tagged - -- types and dispatching calls, assuming the underlying target supports - -- it (e.g. in the JVM case). - - Task_Dispatching_Policy : Character := ' '; - -- 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. - - Time_Slice_Set : Boolean := False; - -- GNATBIND - -- Set True if a pragma Time_Slice is processed in the main unit, or - -- 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 - -- 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 can also be set with the -gnatTnn switch. - - Tolerate_Consistency_Errors : Boolean := False; - -- GNATBIND - -- Tolerate time stamp and other consistency errors. If this flag is set to - -- True (-t), then inconsistencies result in warnings rather than errors. - - Treat_Categorization_Errors_As_Warnings : Boolean := False; - -- Normally categorization errors are true illegalities. If this switch - -- is set, then such errors result in warning messages rather than error - -- messages. Set True by -gnateP (P for Pure/Preelaborate). - - Treat_Restrictions_As_Warnings : Boolean := False; - -- GNAT - -- Set True to treat pragma Restrictions as Restriction_Warnings. Set by - -- -gnatr switch. - - Tree_Output : Boolean := False; - -- GNAT - -- Set to True (-gnatt) to generate output tree file - - True_VMS_Target : Boolean := False; - -- Set True if we are on a VMS target. The setting of this flag reflects - -- the true state of the compile, unlike Targparm.OpenVMS_On_Target which - -- can also be true when debug flag m is set (-gnatdm). This is used in the - -- few cases where we do NOT want -gnatdm to trigger the VMS behavior. - - 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. This flag is set to True by -gnatq or -gnatQ. - - Unchecked_Shared_Lib_Imports : Boolean := False; - -- GPRBUILD - -- Set to True when shared library projects are allowed to import projects - -- that are not shared library projects. Set by switch - -- --unchecked-shared-lib-imports. - - 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 pragma - -- appears anywhere in the main unit for GNAT, or if any ALI file has the - -- corresponding attribute set in GNATBIND. - - Upper_Half_Encoding : Boolean := False; - -- GNAT, GNATBIND - -- Normally set False, indicating that upper half ISO 8859-1 characters are - -- used in the normal way to represent themselves. If the wide character - -- encoding method uses the upper bit for this encoding, then this flag is - -- set True, and upper half characters in the source indicate the start of - -- a wide character sequence. Set by -gnatW or -W switches. - - Use_Include_Path_File : Boolean := False; - -- GNATMAKE, GPRBUILD - -- When True, create a source search path file, even when a mapping file - -- is used. - - Usage_Requested : Boolean := False; - -- GNAT, GNATBIND, GNATMAKE - -- Set to True if -h (-gnath for the compiler) switch encountered - -- requesting usage information - - Use_Expression_With_Actions : Boolean; - -- The N_Expression_With_Actions node has been introduced relatively - -- recently, and not all back ends are prepared to handle it yet. So - -- we use this flag to suppress its use during a transitional period. - -- Currently the default is False for all cases (set in gnat1drv). - -- The default can be modified using -gnatd.X/-gnatd.Y. - - Use_Pragma_Linker_Constructor : Boolean := False; - -- GNATBIND - -- True if pragma Linker_Constructor applies to adainit - - 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 Validsw. The Validity_Checks_On 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 flag set to False. This flag is - -- set to False by the -gnatp switch. - - Verbose_Mode : Boolean := False; - -- GNAT, GNATBIND, GNATMAKE, GNATLINK, GNATLS, GNATNAME, GNATCLEAN, - -- GPRMAKE, GPRBUILD, GPRCLEAN - -- Set to True to get verbose mode (full error message text and location - -- information sent to standard output, also header, copyright and summary) - - type Verbosity_Level_Type is (None, Low, Medium, High); - pragma Ordered (Verbosity_Level_Type); - Verbosity_Level : Verbosity_Level_Type := High; - -- GNATMAKE, GPRMAKE - -- Modified by gnatmake or gprmake switches -v, -vl, -vm, -vh. Indicates - -- the level of verbosity of informational messages: - -- - -- In Low Verbosity, the reasons why a source is recompiled, the name - -- of the executable and the reason it must be rebuilt is output. - -- - -- In Medium Verbosity, additional lines are output for each ALI file - -- that is checked. - -- - -- In High Verbosity, additional lines are output when the ALI file - -- is part of an Ada library, is read-only or is part of the runtime. - - Warn_On_Ada_2005_Compatibility : Boolean := True; - -- GNAT - -- Set to True to generate all warnings on Ada 2005 compatibility issues, - -- including warnings on Ada 2005 obsolescent features used in Ada 2005 - -- mode. Set False by -gnatwY. - - Warn_On_Ada_2012_Compatibility : Boolean := True; - -- GNAT - -- Set to True to generate all warnings on Ada 2012 compatibility issues, - -- including warnings on Ada 2012 obsolescent features used in Ada 2012 - -- mode. Set False by -gnatwY. - - Warn_On_All_Unread_Out_Parameters : Boolean := False; - -- GNAT - -- Set to True to generate warnings in all cases where a variable is - -- modified by being passed as to an OUT formal, but the resulting value is - -- never read. The default is that this warning is suppressed, except in - -- the case of - - Warn_On_Assertion_Failure : Boolean := True; - -- GNAT - -- Set to True to activate warnings on assertions that can be determined - -- at compile time will always fail. Set false by -gnatw.A. - - Warn_On_Assumed_Low_Bound : Boolean := True; - -- GNAT - -- Set to True to activate warnings for string parameters that are indexed - -- with literals or S'Length, presumably assuming a lower bound of one. Set - -- False by -gnatwW. - - Warn_On_Atomic_Synchronization : Boolean := False; - -- GNAT - -- Set to True to generate information messages for atomic synchronization. - -- Set True by use of -gnatw.n. - - 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_Biased_Representation : Boolean := True; - -- GNAT - -- Set to True to generate warnings for size clauses, component clauses - -- and component_size clauses that force biased representation. Set False - -- by -gnatw.B. - - 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_Deleted_Code : Boolean := False; - -- GNAT - -- Set to True to generate warnings for code deleted by the front end - -- for conditional statements whose outcome is known at compile time. - -- Modified by use of -gnatwt/T. - - Warn_On_Dereference : Boolean := False; - -- GNAT - -- 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. Also controls warnings for similar cases involving out parameters, - -- but only if there is only one out parameter for the procedure involved. - -- 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_Non_Local_Exception : Boolean := False; - -- GNAT - -- Set to True to generate warnings for non-local exception raises and also - -- handlers that can never handle a local raise. This warning is only ever - -- generated if pragma Restrictions (No_Exception_Propagation) is set. The - -- default is not to generate the warnings except that if the source has - -- at least one exception handler, and this restriction is set, and the - -- warning was not explicitly turned off, then it is turned on by default. - - No_Warn_On_Non_Local_Exception : Boolean := False; - -- GNAT - -- This is set to True if the above warning is explicitly suppressed. We - -- use this to avoid turning it on by default when No_Exception_Propagation - -- restriction is set and an exception handler is present. - - Warn_On_Object_Renames_Function : Boolean := False; - -- GNAT - -- Set to True to generate warnings when a function result is renamed as - -- an object. The default is that this warning is disabled. - - Warn_On_Obsolescent_Feature : Boolean := False; - -- GNAT - -- Set to True to generate warnings on use of any feature in Annex or if a - -- subprogram is called for which a pragma Obsolescent applies. - - Warn_On_Overlap : Boolean := False; - -- GNAT - -- Set to True to generate warnings when a writable actual which is not - -- a by-copy type overlaps with another actual in a subprogram call. - - Warn_On_Questionable_Missing_Parens : Boolean := True; - -- GNAT - -- Set to True to generate warnings for cases where parentheses are missing - -- and the usage is questionable, because the intent is unclear. - - Warn_On_Parameter_Order : Boolean := False; - -- GNAT - -- Set to True to generate warnings for cases where the argument list for - -- a call is a sequence of identifiers that match the formal identifiers, - -- but are in the wrong order. - - 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_Reverse_Bit_Order : Boolean := True; - -- GNAT - -- Set to True to generate warning (informational) messages for component - -- clauses that are affected by non-standard bit-order. The default is - -- that this warning is enabled. - - Warn_On_Suspicious_Contract : Boolean := False; - -- GNAT - -- Set to True to generate warnings for suspicious contracts expressed as - -- pragmas or aspects precondition and postcondition. The default is that - -- this warning is disabled. - - Warn_On_Suspicious_Modulus_Value : Boolean := True; - -- GNAT - -- Set to True to generate warnings for suspicious modulus values. The - -- default is that this warning is enabled. - - 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_Unordered_Enumeration_Type : Boolean := False; - -- GNAT - -- Set to True to generate warnings for inappropriate uses (comparisons - -- and explicit ranges) on unordered enumeration types (which includes - -- all enumeration types for which pragma Ordered is not given). The - -- default is that this warning is disabled. - - Warn_On_Unrecognized_Pragma : Boolean := True; - -- GNAT - -- Set to True to generate warnings for unrecognized pragmas. The default - -- is that this warning is enabled. - - Warn_On_Unrepped_Components : Boolean := False; - -- GNAT - -- Set to True to generate warnings for the case of components of record - -- which have a record representation clause but this component does not - -- have a component clause. The default is that this warning is disabled. - - Warn_On_Warnings_Off : Boolean := False; - -- GNAT - -- Set to True to generate warnings for use of Pragma Warnings (Off, ent), - -- where either the pragma is never used, or it could be replaced by a - -- pragma Unmodified or Unreferenced. - - type Warning_Mode_Type is (Suppress, Normal, Treat_As_Error); - Warning_Mode : Warning_Mode_Type := Normal; - -- GNAT, GNATBIND - -- Controls treatment of warning messages. If set to Suppress, warning - -- messages are not generated at all. In Normal mode, they are generated - -- but do not count as errors. In Treat_As_Error mode, warning messages - -- are generated and are treated as errors. - - Wide_Character_Encoding_Method : WC_Encoding_Method := WCEM_Brackets; - -- GNAT, GNATBIND - -- Method used for encoding wide characters in the source program. See - -- description of type in unit System.WCh_Con for a list of the methods - -- that are currently supported. Note that brackets notation is always - -- 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 is used to provide - -- the default for encoding [Wide_[Wide_]]Text_IO files. For the binder, - -- the value set here overrides this main unit default. - - Wide_Character_Encoding_Method_Specified : Boolean := False; - -- GNAT, GNATBIND - -- Set True if the value in Wide_Character_Encoding_Method was set as - -- a result of an explicit -gnatW? or -W? switch. False otherwise. - - Xref_Active : Boolean := True; - -- GNAT - -- Set if cross-referencing is enabled (i.e. xref info in ALI files) - - Zero_Formatting : Boolean := False; - -- GNATBIND - -- Do no formatting (no title, no leading spaces, no empty lines) in - -- auxiliary outputs (-e, -K, -l, -R). - - ---------------------------- - -- Configuration Settings -- - ---------------------------- - - -- These are settings that are used to establish the mode at the start of - -- each unit. The values defined below can be affected either by command - -- line switches, or by the use of appropriate configuration pragmas in a - -- configuration pragma file. - - Ada_Version_Config : Ada_Version_Type; - -- GNAT - -- 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_*. 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 the most up to date - -- version of Ada). - - Ada_Version_Explicit_Config : Ada_Version_Type; - -- GNAT - -- This is set in the same manner as Ada_Version_Config. The difference is - -- that the setting of this flag is not ignored for internal and predefined - -- units, which for some purposes do indeed access this value, regardless - -- of the fact that they are compiled the most up to date ada version). - - Assertions_Enabled_Config : Boolean; - -- GNAT - -- This is the value of the configuration switch for assertions enabled - -- mode, as possibly set by the command line switch -gnata, and possibly - -- modified by the use of the configuration pragma Assertion_Policy. - - Assume_No_Invalid_Values_Config : Boolean; - -- GNAT - -- This is the value of the configuration switch for assuming "no invalid - -- values enabled" mode, as possibly set by the command line switch - -- -gnatB, and possibly modified by the use of the configuration pragma - -- Assume_No_Invalid_Values. - - Check_Policy_List_Config : Node_Id; - -- GNAT - -- This points to the list of N_Pragma nodes for Check_Policy pragmas - -- that are linked through the Next_Pragma fields, with the list being - -- terminated by Empty. The order is most recently processed first. This - -- list includes only those pragmas in configuration pragma files. - - Debug_Pragmas_Disabled_Config : Boolean; - -- GNAT - -- This is the value of the configuration switch for debug pragmas disabled - -- mode, as possibly set by use of the configuration pragma Debug_Policy. - - Debug_Pragmas_Enabled_Config : Boolean; - -- GNAT - -- This is the value of the configuration switch for debug pragmas enabled - -- mode, as possibly set by the command line switch -gnata and possibly - -- modified by the use of the configuration pragma Debug_Policy. - - Default_Pool_Config : Node_Id := Empty; - -- GNAT - -- Same as Default_Pool above, except this is only for Default_Storage_Pool - -- pragmas that are configuration pragmas. - - 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 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 permitted in such - -- units. - - External_Name_Exp_Casing_Config : External_Casing_Type; - -- GNAT - -- This is the value of the configuration switch that controls casing 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 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 flag is ignored for internal and - -- predefined units (which are always compiled with As_Is mode). - - External_Name_Imp_Casing_Config : External_Casing_Type; - -- GNAT - -- This is the value of the configuration switch that controls casing 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 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 flag is ignored for internal and - -- predefined units (which are always compiled with Lowercase mode). - - Fast_Math_Config : Boolean; - -- GNAT - -- This is the value of the configuration switch that controls Fast_Math - -- mode, as set by a Fast_Math pragma in configuration pragmas. It is - -- used to set the initial value of Fast_Math at the start of each new - -- compilation unit. - - Initialize_Scalars_Config : Boolean; - -- GNAT - -- This is the value of the configuration switch that is set by the - -- pragma Initialize_Scalars when it appears in the gnat.adc file. - -- This switch is not set when the pragma appears ahead of a given - -- unit, so it does not affect the compilation of other units. - - Optimize_Alignment_Config : Character; - -- GNAT - -- This is the value of the configuration switch that controls the - -- alignment optimization mode, as set by an Optimize_Alignment pragma. - -- It is used to set the initial value of Optimize_Alignment at the start - -- of each new compilation unit, except that it is always set to 'O' (off) - -- for internal units. - - Persistent_BSS_Mode_Config : Boolean; - -- GNAT - -- This is the value of the configuration switch that controls whether - -- potentially persistent data is to be placed in the persistent_bss - -- section. It can be set True by use of the pragma Persistent_BSS. - -- This flag is used to set the initial value of Persistent_BSS_Mode - -- at the start of each compilation unit, except that it is always - -- set False for predefined units. - - Polling_Required_Config : Boolean; - -- GNAT - -- 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 - -- flag is used to set the initial value for Polling_Required at the start - -- of analyzing each unit. - - Short_Descriptors_Config : Boolean; - -- GNAT - -- This is the value of the configuration switch that controls the use of - -- Short_Descriptors for setting descriptor default sizes. It can be set - -- True by the use of the pragma Short_Descriptors in the gnat.adc file. - -- This flag is used to set the initial value for Short_Descriptors at the - -- start of analyzing each unit. - - Use_VADS_Size_Config : Boolean; - -- GNAT - -- This is the value of the configuration switch that controls the use of - -- VADS_Size instead of Size wherever 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 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 flag - -- is ignored for internal and predefined units (which are always compiled - -- with the standard Size semantics). - - type Config_Switches_Type is private; - -- Type used to save values of the switches set from Config values - - procedure Save_Opt_Config_Switches (Save : out Config_Switches_Type); - -- This procedure saves the current values of the switches which are - -- initialized from the above Config values, and then resets these switches - -- according to the Config value settings. - - procedure Set_Opt_Config_Switches - (Internal_Unit : Boolean; - Main_Unit : Boolean); - -- This procedure sets the switches to the appropriate initial values. The - -- parameter Internal_Unit is True for an internal or predefined unit, and - -- affects the way the switches are set (see above). Main_Unit is true if - -- switches are being set for the main unit (this affects setting of the - -- assert/debug pragma switches, which are normally set false by default - -- for an internal unit, except when the internal unit is the main unit, - -- in which case we use the command line settings). - - procedure Restore_Opt_Config_Switches (Save : Config_Switches_Type); - -- This procedure restores a set of switch values previously saved by a - -- call to Save_Opt_Switches. - - procedure Register_Opt_Config_Switches; - -- This procedure is called after processing the gnat.adc file and other - -- configuration pragma files to record the values of the Config switches, - -- as possibly modified by the use of command line switches and pragmas - -- appearing in these files. - - ------------------------ - -- Other Global Flags -- - ------------------------ - - Expander_Active : Boolean := False; - -- A flag that indicates if expansion is active (True) or deactivated - -- (False). When expansion is deactivated all calls to expander routines - -- have no effect. Note that the initial setting of False is merely to - -- prevent saving of an undefined value for an initial call to the - -- Expander_Mode_Save_And_Set procedure. For more information on the use of - -- this flag, see package Expander. Indeed this flag might more logically - -- be in the spec of Expander, but it is referenced by Errout, and it - -- really seems wrong for Errout to depend on Expander. - -- - -- Note: for many purposes, it is more appropriate to test the flag - -- Full_Expander_Active, which also checks that Alfa mode is not active. - - Static_Dispatch_Tables : Boolean := True; - -- This flag indicates if the backend supports generation of statically - -- allocated dispatch tables. If it is True, then the front end will - -- generate static aggregates for dispatch tables that contain forward - -- references to addresses of subprograms not seen yet, and the back end - -- must be prepared to handle this case. If it is False, then the front - -- end generates assignments to initialize the dispatch table, and there - -- are no such forward references. By default we build statically allocated - -- dispatch tables for all library level tagged types in all platforms.This - -- behavior can be disabled using switch -gnatd.t which will set this flag - -- to False and revert to the previous dynamic behavior. - - ----------------------- - -- Tree I/O Routines -- - ----------------------- - - procedure Tree_Read; - -- Reads switch settings from current tree file using Tree_Read - - 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 Tree_IO and Gnatvsn packages which also are a part of ASIS - -- implementation. - - Tree_Version_String : String_Access; - -- Used to store the compiler version string read from a tree file to check - -- if it is from the same date as stored in the version string in Gnatvsn. - -- We require that ASIS Pro can be used only with GNAT Pro, but we allow - -- non-Pro ASIS and ASIS-based tools to be used with any version of the - -- GNAT compiler. Therefore, we need the possibility to compare the dates - -- of the corresponding source sets, using version strings that may be - -- of different lengths. - - 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 Tree_IO. - - ----------------------------------- - -- Modes for Formal Verification -- - ----------------------------------- - - Alfa_Mode : Boolean := False; - -- Specific compiling mode targeting formal verification through the - -- generation of Why code for those parts of the input code that belong to - -- the Alfa subset of Ada. Set by debug flag -gnatd.F. - - Strict_Alfa_Mode : Boolean := False; - -- Interpret compiler permissions as strictly as possible. E.g. base ranges - -- for integers are limited to the strict minimum with this option. Set by - -- debug flag -gnatd.D. - - function Full_Expander_Active return Boolean; - pragma Inline (Full_Expander_Active); - -- Returns the value of (Expander_Active and not Alfa_Mode). This "flag" - -- indicates that expansion is fully active, that is, not in the reduced - -- mode for Alfa (True) or that expansion is either deactivated, or active - -- in the reduced mode for Alfa (False). For more information on full - -- expansion, see package Expander. For more information on reduced - -- Alfa expansion, see package Exp_Alfa. - -private - - -- The following type is used to save and restore settings of switches in - -- Opt that represent the configuration (i.e. result of config pragmas). - - -- Note that Ada_Version_Explicit is not included, since this is a sticky - -- flag that once set does not get reset, since the whole idea of this flag - -- is to record the setting for the main unit. - - type Config_Switches_Type is record - Ada_Version : Ada_Version_Type; - Ada_Version_Explicit : Ada_Version_Type; - Assertions_Enabled : Boolean; - Assume_No_Invalid_Values : Boolean; - Check_Policy_List : Node_Id; - Debug_Pragmas_Disabled : Boolean; - Debug_Pragmas_Enabled : Boolean; - Default_Pool : Node_Id; - 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; - Fast_Math : Boolean; - Initialize_Scalars : Boolean; - Normalize_Scalars : Boolean; - Optimize_Alignment : Character; - Optimize_Alignment_Local : Boolean; - Persistent_BSS_Mode : Boolean; - Polling_Required : Boolean; - Short_Descriptors : Boolean; - Use_VADS_Size : Boolean; - end record; - - -- The following declarations are for GCC version dependent flags. We do - -- not let client code in the compiler test GCC_Version directly, but - -- instead use deferred constants for relevant feature tags. - - -- Note: there currently are no such constants defined in this section, - -- since the compiler front end is currently entirely independent of the - -- GCC version, which is a desirable state of affairs. - - 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 (3 = 3.x, 4 = 4.x). Note that - -- gcc 2.8.1 (which used to be a value of 2) is no longer supported. - -end Opt; |