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+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- S W I T C H - C --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 2001-2006, Free Software Foundation, Inc. --
+-- --
+-- GNAT is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 2, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNAT; see file COPYING. If not, write --
+-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
+-- Boston, MA 02110-1301, USA. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+with GNAT.OS_Lib; use GNAT.OS_Lib;
+
+with Debug; use Debug;
+with Lib; use Lib;
+with Osint; use Osint;
+with Opt; use Opt;
+with Prepcomp; use Prepcomp;
+with Validsw; use Validsw;
+with Sem_Warn; use Sem_Warn;
+with Stylesw; use Stylesw;
+
+with System.WCh_Con; use System.WCh_Con;
+
+package body Switch.C is
+
+ RTS_Specified : String_Access := null;
+ -- Used to detect multiple use of --RTS= flag
+
+ -----------------------------
+ -- Scan_Front_End_Switches --
+ -----------------------------
+
+ procedure Scan_Front_End_Switches (Switch_Chars : String) is
+ Switch_Starts_With_Gnat : Boolean;
+ -- True if first four switch characters are "gnat"
+
+ First_Switch : Boolean := True;
+ -- False for all but first switch
+
+ Ptr : Integer := Switch_Chars'First;
+ Max : constant Integer := Switch_Chars'Last;
+ C : Character := ' ';
+ Dot : Boolean;
+
+ Store_Switch : Boolean := True;
+ First_Char : Integer := Ptr;
+ Storing : String := Switch_Chars;
+ First_Stored : Positive := Ptr + 1;
+ -- The above need comments ???
+
+ begin
+ -- Skip past the initial character (must be the switch character)
+
+ if Ptr = Max then
+ Bad_Switch (C);
+ else
+ Ptr := Ptr + 1;
+ end if;
+
+ -- Remove "gnat" from the switch, if present
+
+ Switch_Starts_With_Gnat :=
+ Ptr + 3 <= Max and then Switch_Chars (Ptr .. Ptr + 3) = "gnat";
+
+ if Switch_Starts_With_Gnat then
+ Ptr := Ptr + 4;
+ First_Stored := Ptr;
+ end if;
+
+ -- Loop to scan through switches given in switch string
+
+ while Ptr <= Max loop
+ Store_Switch := True;
+ First_Char := Ptr;
+ C := Switch_Chars (Ptr);
+
+ -- Processing for a switch
+
+ case Switch_Starts_With_Gnat is
+
+ when False =>
+
+ -- There are few front-end switches that
+ -- do not start with -gnat: -I, --RTS
+
+ if Switch_Chars (Ptr) = 'I' then
+ Store_Switch := False;
+
+ -- Set flag Search_Directory_Present if switch is "-I" only:
+ -- the directory will be the next argument.
+
+ if Ptr = Max then
+ Search_Directory_Present := True;
+ return;
+ end if;
+
+ Ptr := Ptr + 1;
+
+ -- Find out whether this is a -I- or regular -Ixxx switch
+
+ if Ptr = Max and then Switch_Chars (Ptr) = '-' then
+ Look_In_Primary_Dir := False;
+
+ else
+ Add_Src_Search_Dir (Switch_Chars (Ptr .. Max));
+ end if;
+
+ Ptr := Max + 1;
+
+ -- Processing of the --RTS switch. --RTS has been modified by
+ -- gcc and is now of the form -fRTS
+
+ elsif Ptr + 3 <= Max
+ and then Switch_Chars (Ptr .. Ptr + 3) = "fRTS"
+ then
+ Ptr := Ptr + 1;
+
+ if Ptr + 4 > Max
+ or else Switch_Chars (Ptr + 3) /= '='
+ then
+ Osint.Fail ("missing path for --RTS");
+ else
+ -- Check that this is the first time --RTS is specified
+ -- or if it is not the first time, the same path has
+ -- been specified.
+
+ if RTS_Specified = null then
+ RTS_Specified :=
+ new String'(Switch_Chars (Ptr + 4 .. Max));
+
+ elsif
+ RTS_Specified.all /= Switch_Chars (Ptr + 4 .. Max)
+ then
+ Osint.Fail
+ ("--RTS cannot be specified multiple times");
+ end if;
+
+ -- Valid --RTS switch
+
+ Opt.No_Stdinc := True;
+ Opt.RTS_Switch := True;
+
+ RTS_Src_Path_Name := Get_RTS_Search_Dir
+ (Switch_Chars (Ptr + 4 .. Max),
+ Include);
+ RTS_Lib_Path_Name := Get_RTS_Search_Dir
+ (Switch_Chars (Ptr + 4 .. Max),
+ Objects);
+
+ if RTS_Src_Path_Name /= null and then
+ RTS_Lib_Path_Name /= null
+ then
+ Ptr := Max + 1;
+
+ elsif RTS_Src_Path_Name = null and then
+ RTS_Lib_Path_Name = null
+ then
+ Osint.Fail ("RTS path not valid: missing " &
+ "adainclude and adalib directories");
+
+ elsif RTS_Src_Path_Name = null then
+ Osint.Fail ("RTS path not valid: missing " &
+ "adainclude directory");
+
+ elsif RTS_Lib_Path_Name = null then
+ Osint.Fail ("RTS path not valid: missing " &
+ "adalib directory");
+ end if;
+ end if;
+ else
+ Bad_Switch (C);
+ end if;
+
+ when True =>
+
+ -- Process -gnat* options
+
+ case C is
+
+ when 'a' =>
+ Ptr := Ptr + 1;
+ Assertions_Enabled := True;
+ Debug_Pragmas_Enabled := True;
+
+ -- Processing for A switch
+
+ when 'A' =>
+ Ptr := Ptr + 1;
+ Config_File := False;
+
+ -- Processing for b switch
+
+ when 'b' =>
+ Ptr := Ptr + 1;
+ Brief_Output := True;
+
+ -- Processing for c switch
+
+ when 'c' =>
+ if not First_Switch then
+ Osint.Fail
+ ("-gnatc must be first if combined with other switches");
+ end if;
+
+ Ptr := Ptr + 1;
+ Operating_Mode := Check_Semantics;
+
+ if Tree_Output then
+ ASIS_Mode := True;
+ end if;
+
+ -- Processing for d switch
+
+ when 'd' =>
+ Store_Switch := False;
+ Storing (First_Stored) := 'd';
+ Dot := False;
+
+ -- Note: for the debug switch, the remaining characters in this
+ -- switch field must all be debug flags, since all valid switch
+ -- characters are also valid debug characters.
+
+ -- Loop to scan out debug flags
+
+ while Ptr < Max loop
+ Ptr := Ptr + 1;
+ C := Switch_Chars (Ptr);
+ exit when C = ASCII.NUL or else C = '/' or else C = '-';
+
+ if C in '1' .. '9' or else
+ C in 'a' .. 'z' or else
+ C in 'A' .. 'Z'
+ then
+ if Dot then
+ Set_Dotted_Debug_Flag (C);
+ Storing (First_Stored + 1) := '.';
+ Storing (First_Stored + 2) := C;
+ Store_Compilation_Switch
+ (Storing (Storing'First .. First_Stored + 2));
+ Dot := False;
+
+ else
+ Set_Debug_Flag (C);
+ Storing (First_Stored + 1) := C;
+ Store_Compilation_Switch
+ (Storing (Storing'First .. First_Stored + 1));
+ end if;
+
+ elsif C = '.' then
+ Dot := True;
+
+ else
+ Bad_Switch (C);
+ end if;
+ end loop;
+
+ return;
+
+ -- Processing for D switch
+
+ when 'D' =>
+ Ptr := Ptr + 1;
+
+ -- Note: -gnatD also sets -gnatx (to turn off cross-reference
+ -- generation in the ali file) since otherwise this generation
+ -- gets confused by the "wrong" Sloc values put in the tree.
+
+ Debug_Generated_Code := True;
+ Xref_Active := False;
+ Set_Debug_Flag ('g');
+
+ -- -gnate? (extended switches)
+
+ when 'e' =>
+ Ptr := Ptr + 1;
+
+ -- The -gnate? switches are all double character switches
+ -- so we must always have a character after the e.
+
+ if Ptr > Max then
+ Bad_Switch (C);
+ end if;
+
+ case Switch_Chars (Ptr) is
+
+ -- -gnatec (configuration pragmas)
+
+ when 'c' =>
+ Store_Switch := False;
+ Ptr := Ptr + 1;
+
+ -- There may be an equal sign between -gnatec and
+ -- the path name of the config file.
+
+ if Ptr <= Max and then Switch_Chars (Ptr) = '=' then
+ Ptr := Ptr + 1;
+ end if;
+
+ if Ptr > Max then
+ Bad_Switch (C);
+ end if;
+
+ declare
+ Config_File_Name : constant String_Access :=
+ new String'
+ (Switch_Chars (Ptr .. Max));
+
+ begin
+ if Config_File_Names = null then
+ Config_File_Names :=
+ new String_List'(1 => Config_File_Name);
+
+ else
+ declare
+ New_Names : constant String_List_Access :=
+ new String_List
+ (1 ..
+ Config_File_Names'Length + 1);
+
+ begin
+ for Index in Config_File_Names'Range loop
+ New_Names (Index) :=
+ Config_File_Names (Index);
+ Config_File_Names (Index) := null;
+ end loop;
+
+ New_Names (New_Names'Last) := Config_File_Name;
+ Free (Config_File_Names);
+ Config_File_Names := New_Names;
+ end;
+ end if;
+ end;
+
+ return;
+
+ -- -gnateD switch (symbol definition)
+
+ when 'D' =>
+ Store_Switch := False;
+ Ptr := Ptr + 1;
+
+ if Ptr > Max then
+ Bad_Switch (C);
+ end if;
+
+ Add_Symbol_Definition (Switch_Chars (Ptr .. Max));
+
+ -- Store the switch
+
+ Storing (First_Stored .. First_Stored + 1) := "eD";
+ Storing
+ (First_Stored + 2 .. First_Stored + Max - Ptr + 2) :=
+ Switch_Chars (Ptr .. Max);
+ Store_Compilation_Switch (Storing
+ (Storing'First .. First_Stored + Max - Ptr + 2));
+ return;
+
+ -- -gnatef (full source path for brief error messages)
+
+ when 'f' =>
+ Store_Switch := False;
+ Ptr := Ptr + 1;
+ Full_Path_Name_For_Brief_Errors := True;
+ return;
+
+ -- -gnateI (index of unit in multi-unit source)
+
+ when 'I' =>
+ Ptr := Ptr + 1;
+ Scan_Pos
+ (Switch_Chars, Max, Ptr, Multiple_Unit_Index, C);
+
+ -- -gnatem (mapping file)
+
+ when 'm' =>
+ Store_Switch := False;
+ Ptr := Ptr + 1;
+
+ -- There may be an equal sign between -gnatem and
+ -- the path name of the mapping file.
+
+ if Ptr <= Max and then Switch_Chars (Ptr) = '=' then
+ Ptr := Ptr + 1;
+ end if;
+
+ if Ptr > Max then
+ Bad_Switch (C);
+ end if;
+
+ Mapping_File_Name :=
+ new String'(Switch_Chars (Ptr .. Max));
+ return;
+
+ -- -gnatep (preprocessing data file)
+
+ when 'p' =>
+ Store_Switch := False;
+ Ptr := Ptr + 1;
+
+ -- There may be an equal sign between -gnatep and
+ -- the path name of the mapping file.
+
+ if Ptr <= Max and then Switch_Chars (Ptr) = '=' then
+ Ptr := Ptr + 1;
+ end if;
+
+ if Ptr > Max then
+ Bad_Switch (C);
+ end if;
+
+ Preprocessing_Data_File :=
+ new String'(Switch_Chars (Ptr .. Max));
+
+ -- Store the switch.
+ -- Because we may store a longer switch (we normalize
+ -- to -gnatep=), use a local variable.
+
+ declare
+ To_Store : String
+ (1 .. Preprocessing_Data_File'Length + 8);
+
+ begin
+ To_Store (1 .. 8) := "-gnatep=";
+ To_Store (9 .. Preprocessing_Data_File'Length + 8) :=
+ Preprocessing_Data_File.all;
+ Store_Compilation_Switch (To_Store);
+ end;
+
+ return;
+
+ when 'z' =>
+ Store_Switch := False;
+ Disable_Switch_Storing;
+ Ptr := Ptr + 1;
+
+ -- All other -gnate? switches are unassigned
+
+ when others =>
+ Bad_Switch (C);
+ end case;
+
+ -- -gnatE (dynamic elaboration checks)
+
+ when 'E' =>
+ Ptr := Ptr + 1;
+ Dynamic_Elaboration_Checks := True;
+
+ -- -gnatf (full error messages)
+
+ when 'f' =>
+ Ptr := Ptr + 1;
+ All_Errors_Mode := True;
+
+ -- Processing for F switch
+
+ when 'F' =>
+ Ptr := Ptr + 1;
+ External_Name_Exp_Casing := Uppercase;
+ External_Name_Imp_Casing := Uppercase;
+
+ -- Processing for g switch
+
+ when 'g' =>
+ Ptr := Ptr + 1;
+ GNAT_Mode := True;
+ Identifier_Character_Set := 'n';
+ System_Extend_Unit := Empty;
+ Warning_Mode := Treat_As_Error;
+
+ -- Set Ada 2005 mode explicitly. We don't want to rely on the
+ -- implicit setting here, since for example, we want
+ -- Preelaborate_05 treated as Preelaborate
+
+ Ada_Version := Ada_05;
+ Ada_Version_Explicit := Ada_Version;
+
+ -- Set default warnings for -gnatg (same set as -gnatwa)
+
+ Check_Unreferenced := True;
+ Check_Unreferenced_Formals := True;
+ Check_Withs := True;
+ Constant_Condition_Warnings := True;
+ Implementation_Unit_Warnings := True;
+ Ineffective_Inline_Warnings := True;
+ Warn_On_Bad_Fixed_Value := True;
+ Warn_On_Constant := True;
+ Warn_On_Export_Import := True;
+ Warn_On_Modified_Unread := True;
+ Warn_On_No_Value_Assigned := True;
+ Warn_On_Obsolescent_Feature := True;
+ Warn_On_Redundant_Constructs := True;
+ Warn_On_Unchecked_Conversion := True;
+ Warn_On_Unrecognized_Pragma := True;
+
+ Set_Style_Check_Options ("3abcdefhiklmnprstux");
+
+ -- Processing for G switch
+
+ when 'G' =>
+ Ptr := Ptr + 1;
+ Print_Generated_Code := True;
+
+ -- Processing for h switch
+
+ when 'h' =>
+ Ptr := Ptr + 1;
+ Usage_Requested := True;
+
+ -- Processing for H switch
+
+ when 'H' =>
+ Ptr := Ptr + 1;
+ HLO_Active := True;
+
+ -- Processing for i switch
+
+ when 'i' =>
+ if Ptr = Max then
+ Bad_Switch (C);
+ end if;
+
+ Ptr := Ptr + 1;
+ C := Switch_Chars (Ptr);
+
+ if C in '1' .. '5'
+ or else C = '8'
+ or else C = '9'
+ or else C = 'p'
+ or else C = 'f'
+ or else C = 'n'
+ or else C = 'w'
+ then
+ Identifier_Character_Set := C;
+ Ptr := Ptr + 1;
+
+ else
+ Bad_Switch (C);
+ end if;
+
+ -- Processing for k switch
+
+ when 'k' =>
+ Ptr := Ptr + 1;
+ Scan_Pos
+ (Switch_Chars, Max, Ptr, Maximum_File_Name_Length, C);
+
+ -- Processing for l switch
+
+ when 'l' =>
+ Ptr := Ptr + 1;
+ Full_List := True;
+
+ -- Processing for L switch
+
+ when 'L' =>
+ Ptr := Ptr + 1;
+ Osint.Fail
+ ("-gnatL is no longer supported: consider using --RTS=sjlj");
+
+ -- Processing for m switch
+
+ when 'm' =>
+ Ptr := Ptr + 1;
+
+ -- There may be an equal sign between -gnatm and the value
+
+ if Ptr <= Max and then Switch_Chars (Ptr) = '=' then
+ Ptr := Ptr + 1;
+ end if;
+
+ Scan_Pos (Switch_Chars, Max, Ptr, Maximum_Errors, C);
+
+ -- Processing for n switch
+
+ when 'n' =>
+ Ptr := Ptr + 1;
+ Inline_Active := True;
+
+ -- Processing for N switch
+
+ when 'N' =>
+ Ptr := Ptr + 1;
+ Inline_Active := True;
+ Front_End_Inlining := True;
+
+ -- Processing for o switch
+
+ when 'o' =>
+ Ptr := Ptr + 1;
+ Suppress_Options (Overflow_Check) := False;
+ Opt.Enable_Overflow_Checks := True;
+
+ -- Processing for O switch
+
+ when 'O' =>
+ Store_Switch := False;
+ Ptr := Ptr + 1;
+ Output_File_Name_Present := True;
+
+ -- Processing for p switch
+
+ when 'p' =>
+ Ptr := Ptr + 1;
+
+ -- Set all specific options as well as All_Checks in the
+ -- Suppress_Options array, excluding Elaboration_Check, since
+ -- this is treated specially because we do not want -gnatp to
+ -- disable static elaboration processing.
+
+ for J in Suppress_Options'Range loop
+ if J /= Elaboration_Check then
+ Suppress_Options (J) := True;
+ end if;
+ end loop;
+
+ Validity_Checks_On := False;
+ Opt.Suppress_Checks := True;
+ Opt.Enable_Overflow_Checks := False;
+
+ -- Processing for P switch
+
+ when 'P' =>
+ Ptr := Ptr + 1;
+ Polling_Required := True;
+
+ -- Processing for q switch
+
+ when 'q' =>
+ Ptr := Ptr + 1;
+ Try_Semantics := True;
+
+ -- Processing for q switch
+
+ when 'Q' =>
+ Ptr := Ptr + 1;
+ Force_ALI_Tree_File := True;
+ Try_Semantics := True;
+
+ -- Processing for R switch
+
+ when 'R' =>
+ Ptr := Ptr + 1;
+ Back_Annotate_Rep_Info := True;
+ List_Representation_Info := 1;
+
+ while Ptr <= Max loop
+ C := Switch_Chars (Ptr);
+
+ if C in '1' .. '3' then
+ List_Representation_Info :=
+ Character'Pos (C) - Character'Pos ('0');
+
+ elsif Switch_Chars (Ptr) = 's' then
+ List_Representation_Info_To_File := True;
+
+ elsif Switch_Chars (Ptr) = 'm' then
+ List_Representation_Info_Mechanisms := True;
+
+ else
+ Bad_Switch (C);
+ end if;
+
+ Ptr := Ptr + 1;
+ end loop;
+
+ -- Processing for s switch
+
+ when 's' =>
+ if not First_Switch then
+ Osint.Fail
+ ("-gnats must be first if combined with other switches");
+ end if;
+
+ Ptr := Ptr + 1;
+ Operating_Mode := Check_Syntax;
+
+ -- Processing for S switch
+
+ when 'S' =>
+ Print_Standard := True;
+ Ptr := Ptr + 1;
+
+ -- Processing for t switch
+
+ when 't' =>
+ Ptr := Ptr + 1;
+ Tree_Output := True;
+
+ if Operating_Mode = Check_Semantics then
+ ASIS_Mode := True;
+ end if;
+
+ Back_Annotate_Rep_Info := True;
+
+ -- Processing for T switch
+
+ when 'T' =>
+ Ptr := Ptr + 1;
+ Scan_Pos (Switch_Chars, Max, Ptr, Table_Factor, C);
+
+ -- Processing for u switch
+
+ when 'u' =>
+ Ptr := Ptr + 1;
+ List_Units := True;
+
+ -- Processing for U switch
+
+ when 'U' =>
+ Ptr := Ptr + 1;
+ Unique_Error_Tag := True;
+
+ -- Processing for v switch
+
+ when 'v' =>
+ Ptr := Ptr + 1;
+ Verbose_Mode := True;
+
+ -- Processing for V switch
+
+ when 'V' =>
+ Store_Switch := False;
+ Storing (First_Stored) := 'V';
+ Ptr := Ptr + 1;
+
+ if Ptr > Max then
+ Bad_Switch (C);
+
+ else
+ declare
+ OK : Boolean;
+
+ begin
+ Set_Validity_Check_Options
+ (Switch_Chars (Ptr .. Max), OK, Ptr);
+
+ if not OK then
+ Bad_Switch (C);
+ end if;
+
+ for Index in First_Char + 1 .. Max loop
+ Storing (First_Stored + 1) :=
+ Switch_Chars (Index);
+ Store_Compilation_Switch
+ (Storing (Storing'First .. First_Stored + 1));
+ end loop;
+ end;
+ end if;
+
+ Ptr := Max + 1;
+
+ -- Processing for w switch
+
+ when 'w' =>
+ Store_Switch := False;
+ Storing (First_Stored) := 'w';
+ Ptr := Ptr + 1;
+
+ if Ptr > Max then
+ Bad_Switch (C);
+ end if;
+
+ while Ptr <= Max loop
+ C := Switch_Chars (Ptr);
+
+ if Set_Warning_Switch (C) then
+ null;
+ else
+ Bad_Switch (C);
+ end if;
+
+ if C /= 'w' then
+ Storing (First_Stored + 1) := C;
+ Store_Compilation_Switch
+ (Storing (Storing'First .. First_Stored + 1));
+ end if;
+
+ Ptr := Ptr + 1;
+ end loop;
+
+ return;
+
+ -- Processing for W switch
+
+ when 'W' =>
+ Ptr := Ptr + 1;
+
+ if Ptr > Max then
+ Bad_Switch (C);
+ end if;
+
+ for J in WC_Encoding_Method loop
+ if Switch_Chars (Ptr) = WC_Encoding_Letters (J) then
+ Wide_Character_Encoding_Method := J;
+ exit;
+
+ elsif J = WC_Encoding_Method'Last then
+ Bad_Switch (C);
+ end if;
+ end loop;
+
+ Upper_Half_Encoding :=
+ Wide_Character_Encoding_Method in
+ WC_Upper_Half_Encoding_Method;
+
+ Ptr := Ptr + 1;
+
+ -- Processing for x switch
+
+ when 'x' =>
+ Ptr := Ptr + 1;
+ Xref_Active := False;
+
+ -- Processing for X switch
+
+ when 'X' =>
+ Ptr := Ptr + 1;
+ Extensions_Allowed := True;
+ Ada_Version := Ada_Version_Type'Last;
+ Ada_Version_Explicit := Ada_Version;
+
+ -- Processing for y switch
+
+ when 'y' =>
+ Ptr := Ptr + 1;
+
+ if Ptr > Max then
+ Set_Default_Style_Check_Options;
+
+ else
+ Store_Switch := False;
+ Storing (First_Stored) := 'y';
+
+ declare
+ OK : Boolean;
+ Last_Stored : Integer;
+
+ begin
+ Set_Style_Check_Options
+ (Switch_Chars (Ptr .. Max), OK, Ptr);
+
+ if not OK then
+ declare
+ R : String (1 .. Style_Msg_Len + 20);
+ begin
+ R (1 .. 19) := "bad -gnaty switch (";
+ R (20 .. R'Last - 1) :=
+ Style_Msg_Buf (1 .. Style_Msg_Len);
+ R (R'Last) := ')';
+ Osint.Fail (R);
+ end;
+ end if;
+
+ Ptr := First_Char + 1;
+ while Ptr <= Max loop
+ Last_Stored := First_Stored + 1;
+ Storing (Last_Stored) := Switch_Chars (Ptr);
+
+ if Switch_Chars (Ptr) = 'M' then
+ loop
+ Ptr := Ptr + 1;
+ exit when Ptr > Max
+ or else Switch_Chars (Ptr) not in '0' .. '9';
+ Last_Stored := Last_Stored + 1;
+ Storing (Last_Stored) := Switch_Chars (Ptr);
+ end loop;
+
+ else
+ Ptr := Ptr + 1;
+ end if;
+
+ Store_Compilation_Switch
+ (Storing (Storing'First .. Last_Stored));
+ end loop;
+ end;
+ end if;
+
+ -- Processing for z switch
+
+ when 'z' =>
+ Ptr := Ptr + 1;
+
+ -- Allowed for compiler only if this is the only
+ -- -z switch, we do not allow multiple occurrences
+
+ if Distribution_Stub_Mode = No_Stubs then
+ case Switch_Chars (Ptr) is
+ when 'r' =>
+ Distribution_Stub_Mode := Generate_Receiver_Stub_Body;
+
+ when 'c' =>
+ Distribution_Stub_Mode := Generate_Caller_Stub_Body;
+
+ when others =>
+ Bad_Switch (C);
+ end case;
+
+ Ptr := Ptr + 1;
+
+ end if;
+
+ -- Processing for Z switch
+
+ when 'Z' =>
+ Ptr := Ptr + 1;
+ Osint.Fail
+ ("-gnatZ is no longer supported: consider using --RTS=zcx");
+
+ -- Processing for 83 switch
+
+ when '8' =>
+ if Ptr = Max then
+ Bad_Switch (C);
+ end if;
+
+ Ptr := Ptr + 1;
+
+ if Switch_Chars (Ptr) /= '3' then
+ Bad_Switch (C);
+ else
+ Ptr := Ptr + 1;
+ Ada_Version := Ada_83;
+ Ada_Version_Explicit := Ada_Version;
+ end if;
+
+ -- Processing for 95 switch
+
+ when '9' =>
+ if Ptr = Max then
+ Bad_Switch (C);
+ end if;
+
+ Ptr := Ptr + 1;
+
+ if Switch_Chars (Ptr) /= '5' then
+ Bad_Switch (C);
+ else
+ Ptr := Ptr + 1;
+ Ada_Version := Ada_95;
+ Ada_Version_Explicit := Ada_Version;
+ end if;
+
+ -- Processing for 05 switch
+
+ when '0' =>
+ if Ptr = Max then
+ Bad_Switch (C);
+ end if;
+
+ Ptr := Ptr + 1;
+
+ if Switch_Chars (Ptr) /= '5' then
+ Bad_Switch (C);
+ else
+ Ptr := Ptr + 1;
+ Ada_Version := Ada_05;
+ Ada_Version_Explicit := Ada_Version;
+ end if;
+
+ -- Ignore extra switch character
+
+ when '/' | '-' =>
+ Ptr := Ptr + 1;
+
+ -- Anything else is an error (illegal switch character)
+
+ when others =>
+ Bad_Switch (C);
+ end case;
+ end case;
+
+ if Store_Switch then
+ Storing (First_Stored .. First_Stored + Ptr - First_Char - 1) :=
+ Switch_Chars (First_Char .. Ptr - 1);
+ Store_Compilation_Switch
+ (Storing (Storing'First .. First_Stored + Ptr - First_Char - 1));
+ end if;
+
+ First_Switch := False;
+ end loop;
+ end Scan_Front_End_Switches;
+
+end Switch.C;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 09:34:31 +0000