-- Build record initialization procedure. N is the type declaration
-- node, and Pe is the corresponding entity for the record type.
+ procedure Build_Slice_Assignment (Typ : Entity_Id);
+ -- Build assignment procedure for one-dimensional arrays of controlled
+ -- types. Other array and slice assignments are expanded in-line, but
+ -- the code expansion for controlled components (when control actions
+ -- are active) can lead to very large blocks that GCC3 handles poorly.
+
procedure Build_Variant_Record_Equality (Typ : Entity_Id);
-- Create An Equality function for the non-tagged variant record 'Typ'
-- and attach it to the TSS list
end if;
end Build_Record_Init_Proc;
+ ----------------------------
+ -- Build_Slice_Assignment --
+ ----------------------------
+
+ -- Generates the following subprogram:
+ -- procedure Assign
+ -- (Source, Target : Array_Type,
+ -- Left_Lo, Left_Hi, Right_Lo, Right_Hi : Index;
+ -- Rev : Boolean)
+ -- is
+ -- Li1 : Index;
+ -- Ri1 : Index;
+ -- begin
+ -- if Rev then
+ -- Li1 := Left_Hi;
+ -- Ri1 := Right_Hi;
+ -- else
+ -- Li1 := Left_Lo;
+ -- Ri1 := Right_Lo;
+ -- end if;
+ --
+ -- loop
+ -- Target (Li1) := Source (Ri1);
+ -- if Rev then
+ -- exit when Li2 = Left_Lo;
+ -- Li2 := Index'pred (Li2);
+ -- Ri2 := Index'pred (Ri2);
+ -- else
+ -- exit when Li2 = Left_Hi;
+ -- Li2 := Index'succ (Li2);
+ -- Ri2 := Index'succ (Ri2);
+ -- end if;
+ -- end loop;
+ -- end Assign;
+
+ procedure Build_Slice_Assignment (Typ : Entity_Id) is
+ Loc : constant Source_Ptr := Sloc (Typ);
+ Index : constant Entity_Id := Base_Type (Etype (First_Index (Typ)));
+
+ -- Build formal parameters of procedure
+
+ Larray : constant Entity_Id :=
+ Make_Defining_Identifier
+ (Loc, Chars => New_Internal_Name ('A'));
+ Rarray : constant Entity_Id :=
+ Make_Defining_Identifier
+ (Loc, Chars => New_Internal_Name ('R'));
+ Left_Lo : constant Entity_Id :=
+ Make_Defining_Identifier
+ (Loc, Chars => New_Internal_Name ('L'));
+ Left_Hi : constant Entity_Id :=
+ Make_Defining_Identifier
+ (Loc, Chars => New_Internal_Name ('L'));
+ Right_Lo : constant Entity_Id :=
+ Make_Defining_Identifier
+ (Loc, Chars => New_Internal_Name ('R'));
+ Right_Hi : constant Entity_Id :=
+ Make_Defining_Identifier
+ (Loc, Chars => New_Internal_Name ('R'));
+ Rev : constant Entity_Id :=
+ Make_Defining_Identifier
+ (Loc, Chars => New_Internal_Name ('D'));
+ Proc_Name : constant Entity_Id :=
+ Make_Defining_Identifier (Loc,
+ Chars => Make_TSS_Name (Typ, TSS_Slice_Assign));
+
+ Lnn : constant Entity_Id :=
+ Make_Defining_Identifier (Loc, New_Internal_Name ('L'));
+ Rnn : constant Entity_Id :=
+ Make_Defining_Identifier (Loc, New_Internal_Name ('R'));
+ -- subscripts for left and right sides
+
+ Decls : List_Id;
+ Loops : Node_Id;
+ Stats : List_Id;
+
+ begin
+
+ -- Build declarations for indices.
+
+ Decls := New_List;
+
+ Append_To (Decls,
+ Make_Object_Declaration (Loc,
+ Defining_Identifier => Lnn,
+ Object_Definition =>
+ New_Occurrence_Of (Index, Loc)));
+
+ Append_To (Decls,
+ Make_Object_Declaration (Loc,
+ Defining_Identifier => Rnn,
+ Object_Definition =>
+ New_Occurrence_Of (Index, Loc)));
+
+ Stats := New_List;
+
+ -- Build initializations for indices.
+
+ declare
+ F_Init : constant List_Id := New_List;
+ B_Init : constant List_Id := New_List;
+
+ begin
+ Append_To (F_Init,
+ Make_Assignment_Statement (Loc,
+ Name => New_Occurrence_Of (Lnn, Loc),
+ Expression => New_Occurrence_Of (Left_Lo, Loc)));
+
+ Append_To (F_Init,
+ Make_Assignment_Statement (Loc,
+ Name => New_Occurrence_Of (Rnn, Loc),
+ Expression => New_Occurrence_Of (Right_Lo, Loc)));
+
+ Append_To (B_Init,
+ Make_Assignment_Statement (Loc,
+ Name => New_Occurrence_Of (Lnn, Loc),
+ Expression => New_Occurrence_Of (Left_Hi, Loc)));
+
+ Append_To (B_Init,
+ Make_Assignment_Statement (Loc,
+ Name => New_Occurrence_Of (Rnn, Loc),
+ Expression => New_Occurrence_Of (Right_Hi, Loc)));
+
+ Append_To (Stats,
+ Make_If_Statement (Loc,
+ Condition => New_Occurrence_Of (Rev, Loc),
+ Then_Statements => B_Init,
+ Else_Statements => F_Init));
+ end;
+
+ -- Now construct the assignment statement
+
+ Loops :=
+ Make_Loop_Statement (Loc,
+ Statements => New_List (
+ Make_Assignment_Statement (Loc,
+ Name =>
+ Make_Indexed_Component (Loc,
+ Prefix => New_Occurrence_Of (Larray, Loc),
+ Expressions => New_List (New_Occurrence_Of (Lnn, Loc))),
+ Expression =>
+ Make_Indexed_Component (Loc,
+ Prefix => New_Occurrence_Of (Rarray, Loc),
+ Expressions => New_List (New_Occurrence_Of (Rnn, Loc))))),
+ End_Label => Empty);
+
+ -- Build the increment/decrement statements.
+
+ declare
+ F_Ass : constant List_Id := New_List;
+ B_Ass : constant List_Id := New_List;
+
+ begin
+ Append_To (F_Ass,
+ Make_Exit_Statement (Loc,
+ Condition =>
+ Make_Op_Eq (Loc,
+ Left_Opnd => New_Occurrence_Of (Lnn, Loc),
+ Right_Opnd => New_Occurrence_Of (Left_Hi, Loc))));
+
+ Append_To (B_Ass,
+ Make_Exit_Statement (Loc,
+ Condition =>
+ Make_Op_Eq (Loc,
+ Left_Opnd => New_Occurrence_Of (Lnn, Loc),
+ Right_Opnd => New_Occurrence_Of (Left_Lo, Loc))));
+
+ Append_To (F_Ass,
+ Make_Assignment_Statement (Loc,
+ Name => New_Occurrence_Of (Lnn, Loc),
+ Expression =>
+ Make_Attribute_Reference (Loc,
+ Prefix =>
+ New_Occurrence_Of (Index, Loc),
+ Attribute_Name => Name_Succ,
+ Expressions => New_List (
+ New_Occurrence_Of (Lnn, Loc)))));
+
+ Append_To (F_Ass,
+ Make_Assignment_Statement (Loc,
+ Name => New_Occurrence_Of (Rnn, Loc),
+ Expression =>
+ Make_Attribute_Reference (Loc,
+ Prefix =>
+ New_Occurrence_Of (Index, Loc),
+ Attribute_Name => Name_Succ,
+ Expressions => New_List (
+ New_Occurrence_Of (Rnn, Loc)))));
+
+ Append_To (B_Ass,
+ Make_Assignment_Statement (Loc,
+ Name => New_Occurrence_Of (Lnn, Loc),
+ Expression =>
+ Make_Attribute_Reference (Loc,
+ Prefix =>
+ New_Occurrence_Of (Index, Loc),
+ Attribute_Name => Name_Pred,
+ Expressions => New_List (
+ New_Occurrence_Of (Lnn, Loc)))));
+
+ Append_To (B_Ass,
+ Make_Assignment_Statement (Loc,
+ Name => New_Occurrence_Of (Rnn, Loc),
+ Expression =>
+ Make_Attribute_Reference (Loc,
+ Prefix =>
+ New_Occurrence_Of (Index, Loc),
+ Attribute_Name => Name_Pred,
+ Expressions => New_List (
+ New_Occurrence_Of (Rnn, Loc)))));
+
+ Append_To (Statements (Loops),
+ Make_If_Statement (Loc,
+ Condition => New_Occurrence_Of (Rev, Loc),
+ Then_Statements => B_Ass,
+ Else_Statements => F_Ass));
+ end;
+
+ Append_To (Stats, Loops);
+
+ declare
+ Spec : Node_Id;
+ Formals : List_Id := New_List;
+
+ begin
+ Formals := New_List (
+ Make_Parameter_Specification (Loc,
+ Defining_Identifier => Larray,
+ Out_Present => True,
+ Parameter_Type =>
+ New_Reference_To (Base_Type (Typ), Loc)),
+
+ Make_Parameter_Specification (Loc,
+ Defining_Identifier => Rarray,
+ Parameter_Type =>
+ New_Reference_To (Base_Type (Typ), Loc)),
+
+ Make_Parameter_Specification (Loc,
+ Defining_Identifier => Left_Lo,
+ Parameter_Type =>
+ New_Reference_To (Index, Loc)),
+
+ Make_Parameter_Specification (Loc,
+ Defining_Identifier => Left_Hi,
+ Parameter_Type =>
+ New_Reference_To (Index, Loc)),
+
+ Make_Parameter_Specification (Loc,
+ Defining_Identifier => Right_Lo,
+ Parameter_Type =>
+ New_Reference_To (Index, Loc)),
+
+ Make_Parameter_Specification (Loc,
+ Defining_Identifier => Right_Hi,
+ Parameter_Type =>
+ New_Reference_To (Index, Loc)));
+
+ Append_To (Formals,
+ Make_Parameter_Specification (Loc,
+ Defining_Identifier => Rev,
+ Parameter_Type =>
+ New_Reference_To (Standard_Boolean, Loc)));
+
+ Spec :=
+ Make_Procedure_Specification (Loc,
+ Defining_Unit_Name => Proc_Name,
+ Parameter_Specifications => Formals);
+
+ Discard_Node (
+ Make_Subprogram_Body (Loc,
+ Specification => Spec,
+ Declarations => Decls,
+ Handled_Statement_Sequence =>
+ Make_Handled_Sequence_Of_Statements (Loc,
+ Statements => Stats)));
+ end;
+
+ Set_TSS (Typ, Proc_Name);
+ Set_Is_Pure (Proc_Name);
+ end Build_Slice_Assignment;
+
------------------------------------
-- Build_Variant_Record_Equality --
------------------------------------
if Typ = Base and then Has_Controlled_Component (Base) then
Build_Controlling_Procs (Base);
+
+ if not Is_Limited_Type (Component_Type (Typ))
+ and then Number_Dimensions (Typ) = 1
+ then
+ Build_Slice_Assignment (Typ);
+ end if;
end if;
-- For packed case, there is a default initialization, except
Arg_Num : Natural;
-- Argument number
+ Arg_File : Ada.Text_IO.File_Type;
+ -- A file where arguments are read from
+
Commands : Item_Ptr;
-- Pointer to head of list of command items, one for each command, with
-- the end of the list marked by a null pointer.
-- updating Ptr appropriatelly. Note that in the case of use of ! the
-- result may be to remove a previously placed switch.
+ procedure Preprocess_Command_Data;
+ -- Preprocess the string form of the command and options list into the
+ -- internal form.
+
+ procedure Process_Argument (The_Command : in out Command_Type);
+ -- Process one argument from the command line, or one line from
+ -- from a command line file. For the first call, set The_Command.
+
procedure Validate_Command_Or_Option (N : VMS_Data.String_Ptr);
-- Check that N is a valid command or option name, i.e. that it is of the
-- form of an Ada identifier with upper case letters and underscores.
end loop;
end Place_Unix_Switches;
- --------------------------------
- -- Validate_Command_Or_Option --
- --------------------------------
-
- procedure Validate_Command_Or_Option (N : VMS_Data.String_Ptr) is
- begin
- pragma Assert (N'Length > 0);
-
- for J in N'Range loop
- if N (J) = '_' then
- pragma Assert (N (J - 1) /= '_');
- null;
- else
- pragma Assert (Is_Upper (N (J)) or else Is_Digit (N (J)));
- null;
- end if;
- end loop;
- end Validate_Command_Or_Option;
-
- --------------------------
- -- Validate_Unix_Switch --
- --------------------------
+ -----------------------------
+ -- Preprocess_Command_Data --
+ -----------------------------
- procedure Validate_Unix_Switch (S : VMS_Data.String_Ptr) is
+ procedure Preprocess_Command_Data is
begin
- if S (S'First) = '`' then
- return;
- end if;
-
- pragma Assert (S (S'First) = '-' or else S (S'First) = '!');
-
- for J in S'First + 1 .. S'Last loop
- pragma Assert (S (J) /= ' ');
-
- if S (J) = '!' then
- pragma Assert (S (J - 1) = ',' and then S (J + 1) = '-');
- null;
- end if;
- end loop;
- end Validate_Unix_Switch;
-
- --------------------
- -- VMS_Conversion --
- --------------------
-
- -- This function is *far* too long and *far* too heavily nested, it
- -- needs procedural abstraction ???
-
- procedure VMS_Conversion (The_Command : out Command_Type) is
- begin
- Buffer.Init;
-
- -- First we must preprocess the string form of the command and options
- -- list into the internal form that we use.
-
for C in Real_Command_Type loop
declare
Command : constant Item_Ptr := new Command_Item;
end loop;
end;
end loop;
+ end Preprocess_Command_Data;
- -- If no parameters, give complete list of commands
-
- if Argument_Count = 0 then
- Output_Version;
- New_Line;
- Put_Line ("List of available commands");
- New_Line;
+ ----------------------
+ -- Process_Argument --
+ ----------------------
- while Commands /= null loop
- Put (Commands.Usage.all);
- Set_Col (53);
- Put_Line (Commands.Unix_String.all);
- Commands := Commands.Next;
+ procedure Process_Argument (The_Command : in out Command_Type) is
+ Argv : String_Access;
+ Arg_Idx : Integer;
+
+ function Get_Arg_End
+ (Argv : String;
+ Arg_Idx : Integer) return Integer;
+ -- Begins looking at Arg_Idx + 1 and returns the index of the
+ -- last character before a slash or else the index of the last
+ -- character in the string Argv.
+
+ -----------------
+ -- Get_Arg_End --
+ -----------------
+
+ function Get_Arg_End
+ (Argv : String;
+ Arg_Idx : Integer) return Integer
+ is
+ begin
+ for J in Arg_Idx + 1 .. Argv'Last loop
+ if Argv (J) = '/' then
+ return J - 1;
+ end if;
end loop;
- raise Normal_Exit;
- end if;
+ return Argv'Last;
+ end Get_Arg_End;
- Arg_Num := 1;
+ -- Start of processing for Process_Argument
- -- Loop through arguments
+ begin
+ -- If an argument file is open, read the next non empty line
- while Arg_Num <= Argument_Count loop
+ if Is_Open (Arg_File) then
+ declare
+ Line : String (1 .. 256);
+ Last : Natural;
+ begin
+ loop
+ Get_Line (Arg_File, Line, Last);
+ exit when Last /= 0 or else End_Of_File (Arg_File);
+ end loop;
- Process_Argument : declare
- Argv : String_Access;
- Arg_Idx : Integer;
-
- function Get_Arg_End
- (Argv : String;
- Arg_Idx : Integer) return Integer;
- -- Begins looking at Arg_Idx + 1 and returns the index of the
- -- last character before a slash or else the index of the last
- -- character in the string Argv.
-
- -----------------
- -- Get_Arg_End --
- -----------------
-
- function Get_Arg_End
- (Argv : String;
- Arg_Idx : Integer) return Integer
- is
- begin
- for J in Arg_Idx + 1 .. Argv'Last loop
- if Argv (J) = '/' then
- return J - 1;
- end if;
- end loop;
+ -- If the end of the argument file has been reached, close it
- return Argv'Last;
- end Get_Arg_End;
+ if End_Of_File (Arg_File) then
+ Close (Arg_File);
- -- Start of processing for Process_Argument
+ -- If the last line was empty, return after increasing Arg_Num
+ -- to go to the next argument on the comment line.
- begin
- Argv := new String'(Argument (Arg_Num));
- Arg_Idx := Argv'First;
+ if Last = 0 then
+ Arg_Num := Arg_Num + 1;
+ return;
+ end if;
+ end if;
- <<Tryagain_After_Coalesce>>
- loop
- declare
- Next_Arg_Idx : Integer;
- Arg : String_Access;
+ Argv := new String'(Line (1 .. Last));
+ Arg_Idx := 1;
- begin
- Next_Arg_Idx := Get_Arg_End (Argv.all, Arg_Idx);
- Arg := new String'(Argv (Arg_Idx .. Next_Arg_Idx));
+ if Argv (1) = '@' then
+ Put_Line (Standard_Error, "argument file cannot contain @cmd");
+ raise Error_Exit;
+ end if;
+ end;
- -- The first one must be a command name
+ else
+ -- No argument file is open, get the argument on the command line
- if Arg_Num = 1 and then Arg_Idx = Argv'First then
- Command := Matching_Name (Arg.all, Commands);
+ Argv := new String'(Argument (Arg_Num));
+ Arg_Idx := Argv'First;
- if Command = null then
- raise Error_Exit;
- end if;
+ -- Check if this is the specification of an argument file
- The_Command := Command.Command;
+ if Argv (Arg_Idx) = '@' then
+ -- The first argument on the command line cannot be an argument
+ -- file.
- -- Give usage information if only command given
+ if Arg_Num = 1 then
+ Put_Line
+ (Standard_Error,
+ "Cannot specify argument line before command");
+ raise Error_Exit;
+ end if;
- if Argument_Count = 1
- and then Next_Arg_Idx = Argv'Last
- then
- Output_Version;
- New_Line;
- Put_Line
- ("List of available qualifiers and options");
- New_Line;
+ -- Open the file, after conversion of the name to canonical form.
+ -- Fail if file is not found.
- Put (Command.Usage.all);
- Set_Col (53);
- Put_Line (Command.Unix_String.all);
+ declare
+ Canonical_File_Name : String_Access :=
+ To_Canonical_File_Spec (Argv (Arg_Idx + 1 .. Argv'Last));
+ begin
+ Open (Arg_File, In_File, Canonical_File_Name.all);
+ Free (Canonical_File_Name);
+ return;
+
+ exception
+ when others =>
+ Put (Standard_Error, "Cannot open argument file """);
+ Put (Standard_Error, Argv (Arg_Idx + 1 .. Argv'Last));
+ Put_Line (Standard_Error, """");
+ raise Error_Exit;
+ end;
+ end if;
+ end if;
- declare
- Sw : Item_Ptr := Command.Switches;
+ <<Tryagain_After_Coalesce>>
+ loop
+ declare
+ Next_Arg_Idx : Integer;
+ Arg : String_Access;
- begin
- while Sw /= null loop
- Put (" ");
- Put (Sw.Name.all);
+ begin
+ Next_Arg_Idx := Get_Arg_End (Argv.all, Arg_Idx);
+ Arg := new String'(Argv (Arg_Idx .. Next_Arg_Idx));
- case Sw.Translation is
+ -- The first one must be a command name
- when T_Other =>
- Set_Col (53);
- Put_Line (Sw.Unix_String.all &
- "/<other>");
+ if Arg_Num = 1 and then Arg_Idx = Argv'First then
+ Command := Matching_Name (Arg.all, Commands);
- when T_Direct =>
- Set_Col (53);
- Put_Line (Sw.Unix_String.all);
+ if Command = null then
+ raise Error_Exit;
+ end if;
- when T_Directories =>
- Put ("=(direc,direc,..direc)");
- Set_Col (53);
- Put (Sw.Unix_String.all);
- Put (" direc ");
- Put (Sw.Unix_String.all);
- Put_Line (" direc ...");
+ The_Command := Command.Command;
- when T_Directory =>
- Put ("=directory");
- Set_Col (53);
- Put (Sw.Unix_String.all);
+ -- Give usage information if only command given
- if Sw.Unix_String (Sw.Unix_String'Last)
- /= '='
- then
- Put (' ');
- end if;
+ if Argument_Count = 1
+ and then Next_Arg_Idx = Argv'Last
+ then
+ Output_Version;
+ New_Line;
+ Put_Line
+ ("List of available qualifiers and options");
+ New_Line;
+
+ Put (Command.Usage.all);
+ Set_Col (53);
+ Put_Line (Command.Unix_String.all);
+
+ declare
+ Sw : Item_Ptr := Command.Switches;
+
+ begin
+ while Sw /= null loop
+ Put (" ");
+ Put (Sw.Name.all);
+
+ case Sw.Translation is
+
+ when T_Other =>
+ Set_Col (53);
+ Put_Line (Sw.Unix_String.all &
+ "/<other>");
+
+ when T_Direct =>
+ Set_Col (53);
+ Put_Line (Sw.Unix_String.all);
+
+ when T_Directories =>
+ Put ("=(direc,direc,..direc)");
+ Set_Col (53);
+ Put (Sw.Unix_String.all);
+ Put (" direc ");
+ Put (Sw.Unix_String.all);
+ Put_Line (" direc ...");
+
+ when T_Directory =>
+ Put ("=directory");
+ Set_Col (53);
+ Put (Sw.Unix_String.all);
+
+ if Sw.Unix_String (Sw.Unix_String'Last)
+ /= '='
+ then
+ Put (' ');
+ end if;
+
+ Put_Line ("directory ");
+
+ when T_File | T_No_Space_File =>
+ Put ("=file");
+ Set_Col (53);
+ Put (Sw.Unix_String.all);
+
+ if Sw.Translation = T_File
+ and then Sw.Unix_String
+ (Sw.Unix_String'Last) /= '='
+ then
+ Put (' ');
+ end if;
+
+ Put_Line ("file ");
+
+ when T_Numeric =>
+ Put ("=nnn");
+ Set_Col (53);
+
+ if Sw.Unix_String
+ (Sw.Unix_String'First) = '`'
+ then
+ Put (Sw.Unix_String
+ (Sw.Unix_String'First + 1
+ .. Sw.Unix_String'Last));
+ else
+ Put (Sw.Unix_String.all);
+ end if;
+
+ Put_Line ("nnn");
+
+ when T_Alphanumplus =>
+ Put ("=xyz");
+ Set_Col (53);
+
+ if Sw.Unix_String
+ (Sw.Unix_String'First) = '`'
+ then
+ Put (Sw.Unix_String
+ (Sw.Unix_String'First + 1
+ .. Sw.Unix_String'Last));
+ else
+ Put (Sw.Unix_String.all);
+ end if;
+
+ Put_Line ("xyz");
+
+ when T_String =>
+ Put ("=");
+ Put ('"');
+ Put ("<string>");
+ Put ('"');
+ Set_Col (53);
+
+ Put (Sw.Unix_String.all);
+
+ if Sw.Unix_String
+ (Sw.Unix_String'Last) /= '='
+ then
+ Put (' ');
+ end if;
+
+ Put ("<string>");
+ New_Line;
+
+ when T_Commands =>
+ Put (" (switches for ");
+ Put (Sw.Unix_String
+ (Sw.Unix_String'First + 7
+ .. Sw.Unix_String'Last));
+ Put (')');
+ Set_Col (53);
+ Put (Sw.Unix_String
+ (Sw.Unix_String'First
+ .. Sw.Unix_String'First + 5));
+ Put_Line (" switches");
+
+ when T_Options =>
+ declare
+ Opt : Item_Ptr := Sw.Options;
- Put_Line ("directory ");
+ begin
+ Put_Line ("=(option,option..)");
- when T_File | T_No_Space_File =>
- Put ("=file");
- Set_Col (53);
- Put (Sw.Unix_String.all);
+ while Opt /= null loop
+ Put (" ");
+ Put (Opt.Name.all);
- if Sw.Translation = T_File
- and then Sw.Unix_String
- (Sw.Unix_String'Last) /= '='
- then
- Put (' ');
+ if Opt = Sw.Options then
+ Put (" (D)");
end if;
- Put_Line ("file ");
-
- when T_Numeric =>
- Put ("=nnn");
Set_Col (53);
+ Put_Line (Opt.Unix_String.all);
+ Opt := Opt.Next;
+ end loop;
+ end;
- if Sw.Unix_String
- (Sw.Unix_String'First) = '`'
- then
- Put (Sw.Unix_String
- (Sw.Unix_String'First + 1
- .. Sw.Unix_String'Last));
- else
- Put (Sw.Unix_String.all);
- end if;
+ end case;
- Put_Line ("nnn");
+ Sw := Sw.Next;
+ end loop;
+ end;
- when T_Alphanumplus =>
- Put ("=xyz");
- Set_Col (53);
+ raise Normal_Exit;
+ end if;
- if Sw.Unix_String
- (Sw.Unix_String'First) = '`'
- then
- Put (Sw.Unix_String
- (Sw.Unix_String'First + 1
- .. Sw.Unix_String'Last));
- else
- Put (Sw.Unix_String.all);
- end if;
+ -- Special handling for internal debugging switch /?
- Put_Line ("xyz");
+ elsif Arg.all = "/?" then
+ Display_Command := True;
- when T_String =>
- Put ("=");
- Put ('"');
- Put ("<string>");
- Put ('"');
- Set_Col (53);
+ -- Copy -switch unchanged
- Put (Sw.Unix_String.all);
+ elsif Arg (Arg'First) = '-' then
+ Place (' ');
+ Place (Arg.all);
- if Sw.Unix_String
- (Sw.Unix_String'Last) /= '='
- then
- Put (' ');
- end if;
+ -- Copy quoted switch with quotes stripped
- Put ("<string>");
- New_Line;
+ elsif Arg (Arg'First) = '"' then
+ if Arg (Arg'Last) /= '"' then
+ Put (Standard_Error, "misquoted argument: ");
+ Put_Line (Standard_Error, Arg.all);
+ Errors := Errors + 1;
- when T_Commands =>
- Put (" (switches for ");
- Put (Sw.Unix_String
- (Sw.Unix_String'First + 7
- .. Sw.Unix_String'Last));
- Put (')');
- Set_Col (53);
- Put (Sw.Unix_String
- (Sw.Unix_String'First
- .. Sw.Unix_String'First + 5));
- Put_Line (" switches");
+ else
+ Place (' ');
+ Place (Arg (Arg'First + 1 .. Arg'Last - 1));
+ end if;
- when T_Options =>
- declare
- Opt : Item_Ptr := Sw.Options;
+ -- Parameter Argument
- begin
- Put_Line ("=(option,option..)");
+ elsif Arg (Arg'First) /= '/'
+ and then Make_Commands_Active = null
+ then
+ Param_Count := Param_Count + 1;
- while Opt /= null loop
- Put (" ");
- Put (Opt.Name.all);
+ if Param_Count <= Command.Params'Length then
- if Opt = Sw.Options then
- Put (" (D)");
- end if;
+ case Command.Params (Param_Count) is
- Set_Col (53);
- Put_Line (Opt.Unix_String.all);
- Opt := Opt.Next;
- end loop;
- end;
+ when File | Optional_File =>
+ declare
+ Normal_File : constant String_Access :=
+ To_Canonical_File_Spec
+ (Arg.all);
- end case;
+ begin
+ Place (' ');
+ Place_Lower (Normal_File.all);
- Sw := Sw.Next;
- end loop;
+ if Is_Extensionless (Normal_File.all)
+ and then Command.Defext /= " "
+ then
+ Place ('.');
+ Place (Command.Defext);
+ end if;
end;
- raise Normal_Exit;
- end if;
+ when Unlimited_Files =>
+ declare
+ Normal_File : constant String_Access :=
+ To_Canonical_File_Spec
+ (Arg.all);
- -- Special handling for internal debugging switch /?
+ File_Is_Wild : Boolean := False;
+ File_List : String_Access_List_Access;
- elsif Arg.all = "/?" then
- Display_Command := True;
+ begin
+ for J in Arg'Range loop
+ if Arg (J) = '*'
+ or else Arg (J) = '%'
+ then
+ File_Is_Wild := True;
+ end if;
+ end loop;
- -- Copy -switch unchanged
+ if File_Is_Wild then
+ File_List := To_Canonical_File_List
+ (Arg.all, False);
- elsif Arg (Arg'First) = '-' then
- Place (' ');
- Place (Arg.all);
+ for J in File_List.all'Range loop
+ Place (' ');
+ Place_Lower (File_List.all (J).all);
+ end loop;
- -- Copy quoted switch with quotes stripped
+ else
+ Place (' ');
+ Place_Lower (Normal_File.all);
+
+ if Is_Extensionless (Normal_File.all)
+ and then Command.Defext /= " "
+ then
+ Place ('.');
+ Place (Command.Defext);
+ end if;
+ end if;
- elsif Arg (Arg'First) = '"' then
- if Arg (Arg'Last) /= '"' then
- Put (Standard_Error, "misquoted argument: ");
- Put_Line (Standard_Error, Arg.all);
- Errors := Errors + 1;
+ Param_Count := Param_Count - 1;
+ end;
- else
+ when Other_As_Is =>
Place (' ');
- Place (Arg (Arg'First + 1 .. Arg'Last - 1));
- end if;
+ Place (Arg.all);
- -- Parameter Argument
+ when Unlimited_As_Is =>
+ Place (' ');
+ Place (Arg.all);
+ Param_Count := Param_Count - 1;
+
+ when Files_Or_Wildcard =>
+
+ -- Remove spaces from a comma separated list
+ -- of file names and adjust control variables
+ -- accordingly.
+
+ while Arg_Num < Argument_Count and then
+ (Argv (Argv'Last) = ',' xor
+ Argument (Arg_Num + 1)
+ (Argument (Arg_Num + 1)'First) = ',')
+ loop
+ Argv := new String'
+ (Argv.all & Argument (Arg_Num + 1));
+ Arg_Num := Arg_Num + 1;
+ Arg_Idx := Argv'First;
+ Next_Arg_Idx :=
+ Get_Arg_End (Argv.all, Arg_Idx);
+ Arg := new String'
+ (Argv (Arg_Idx .. Next_Arg_Idx));
+ end loop;
- elsif Arg (Arg'First) /= '/'
- and then Make_Commands_Active = null
- then
- Param_Count := Param_Count + 1;
+ -- Parse the comma separated list of VMS
+ -- filenames and place them on the command
+ -- line as space separated Unix style
+ -- filenames. Lower case and add default
+ -- extension as appropriate.
- if Param_Count <= Command.Params'Length then
+ declare
+ Arg1_Idx : Integer := Arg'First;
+
+ function Get_Arg1_End
+ (Arg : String;
+ Arg_Idx : Integer) return Integer;
+ -- Begins looking at Arg_Idx + 1 and
+ -- returns the index of the last character
+ -- before a comma or else the index of the
+ -- last character in the string Arg.
+
+ ------------------
+ -- Get_Arg1_End --
+ ------------------
+
+ function Get_Arg1_End
+ (Arg : String;
+ Arg_Idx : Integer) return Integer
+ is
+ begin
+ for J in Arg_Idx + 1 .. Arg'Last loop
+ if Arg (J) = ',' then
+ return J - 1;
+ end if;
+ end loop;
- case Command.Params (Param_Count) is
+ return Arg'Last;
+ end Get_Arg1_End;
- when File | Optional_File =>
+ begin
+ loop
declare
- Normal_File : constant String_Access :=
- To_Canonical_File_Spec
- (Arg.all);
+ Next_Arg1_Idx :
+ constant Integer :=
+ Get_Arg1_End (Arg.all, Arg1_Idx);
+
+ Arg1 :
+ constant String :=
+ Arg (Arg1_Idx .. Next_Arg1_Idx);
+
+ Normal_File :
+ constant String_Access :=
+ To_Canonical_File_Spec (Arg1);
begin
Place (' ');
Place ('.');
Place (Command.Defext);
end if;
+
+ Arg1_Idx := Next_Arg1_Idx + 1;
end;
- when Unlimited_Files =>
- declare
- Normal_File : constant String_Access :=
- To_Canonical_File_Spec
- (Arg.all);
+ exit when Arg1_Idx > Arg'Last;
- File_Is_Wild : Boolean := False;
- File_List : String_Access_List_Access;
+ -- Don't allow two or more commas in
+ -- a row
- begin
- for J in Arg'Range loop
- if Arg (J) = '*'
- or else Arg (J) = '%'
- then
- File_Is_Wild := True;
- end if;
- end loop;
+ if Arg (Arg1_Idx) = ',' then
+ Arg1_Idx := Arg1_Idx + 1;
+ if Arg1_Idx > Arg'Last or else
+ Arg (Arg1_Idx) = ','
+ then
+ Put_Line
+ (Standard_Error,
+ "Malformed Parameter: " &
+ Arg.all);
+ Put (Standard_Error, "usage: ");
+ Put_Line (Standard_Error,
+ Command.Usage.all);
+ raise Error_Exit;
+ end if;
+ end if;
- if File_Is_Wild then
- File_List := To_Canonical_File_List
- (Arg.all, False);
+ end loop;
+ end;
+ end case;
+ end if;
- for J in File_List.all'Range loop
- Place (' ');
- Place_Lower (File_List.all (J).all);
- end loop;
+ -- Qualifier argument
- else
- Place (' ');
- Place_Lower (Normal_File.all);
+ else
+ -- This code is too heavily nested, should be
+ -- separated out as separate subprogram ???
- if Is_Extensionless (Normal_File.all)
- and then Command.Defext /= " "
- then
- Place ('.');
- Place (Command.Defext);
- end if;
- end if;
+ declare
+ Sw : Item_Ptr;
+ SwP : Natural;
+ P2 : Natural;
+ Endp : Natural := 0; -- avoid warning!
+ Opt : Item_Ptr;
- Param_Count := Param_Count - 1;
- end;
+ begin
+ SwP := Arg'First;
+ while SwP < Arg'Last
+ and then Arg (SwP + 1) /= '='
+ loop
+ SwP := SwP + 1;
+ end loop;
- when Other_As_Is =>
- Place (' ');
- Place (Arg.all);
+ -- At this point, the switch name is in
+ -- Arg (Arg'First..SwP) and if that is not the
+ -- whole switch, then there is an equal sign at
+ -- Arg (SwP + 1) and the rest of Arg is what comes
+ -- after the equal sign.
+
+ -- If make commands are active, see if we have
+ -- another COMMANDS_TRANSLATION switch belonging
+ -- to gnatmake.
+
+ if Make_Commands_Active /= null then
+ Sw :=
+ Matching_Name
+ (Arg (Arg'First .. SwP),
+ Command.Switches,
+ Quiet => True);
+
+ if Sw /= null
+ and then Sw.Translation = T_Commands
+ then
+ null;
- when Unlimited_As_Is =>
- Place (' ');
- Place (Arg.all);
- Param_Count := Param_Count - 1;
+ else
+ Sw :=
+ Matching_Name
+ (Arg (Arg'First .. SwP),
+ Make_Commands_Active.Switches,
+ Quiet => False);
+ end if;
+
+ -- For case of GNAT MAKE or CHOP, if we cannot
+ -- find the switch, then see if it is a
+ -- recognized compiler switch instead, and if
+ -- so process the compiler switch.
+
+ elsif Command.Name.all = "MAKE"
+ or else Command.Name.all = "CHOP" then
+ Sw :=
+ Matching_Name
+ (Arg (Arg'First .. SwP),
+ Command.Switches,
+ Quiet => True);
+
+ if Sw = null then
+ Sw :=
+ Matching_Name
+ (Arg (Arg'First .. SwP),
+ Matching_Name
+ ("COMPILE", Commands).Switches,
+ Quiet => False);
+ end if;
+
+ -- For all other cases, just search the relevant
+ -- command.
+
+ else
+ Sw :=
+ Matching_Name
+ (Arg (Arg'First .. SwP),
+ Command.Switches,
+ Quiet => False);
+ end if;
+
+ if Sw /= null then
+ case Sw.Translation is
+
+ when T_Direct =>
+ Place_Unix_Switches (Sw.Unix_String);
+ if SwP < Arg'Last
+ and then Arg (SwP + 1) = '='
+ then
+ Put (Standard_Error,
+ "qualifier options ignored: ");
+ Put_Line (Standard_Error, Arg.all);
+ end if;
+
+ when T_Directories =>
+ if SwP + 1 > Arg'Last then
+ Put (Standard_Error,
+ "missing directories for: ");
+ Put_Line (Standard_Error, Arg.all);
+ Errors := Errors + 1;
+
+ elsif Arg (SwP + 2) /= '(' then
+ SwP := SwP + 2;
+ Endp := Arg'Last;
- when Files_Or_Wildcard =>
+ elsif Arg (Arg'Last) /= ')' then
- -- Remove spaces from a comma separated list
- -- of file names and adjust control variables
- -- accordingly.
+ -- Remove spaces from a comma separated
+ -- list of file names and adjust
+ -- control variables accordingly.
- while Arg_Num < Argument_Count and then
+ if Arg_Num < Argument_Count and then
(Argv (Argv'Last) = ',' xor
Argument (Arg_Num + 1)
(Argument (Arg_Num + 1)'First) = ',')
- loop
- Argv := new String'
- (Argv.all & Argument (Arg_Num + 1));
+ then
+ Argv :=
+ new String'(Argv.all
+ & Argument
+ (Arg_Num + 1));
Arg_Num := Arg_Num + 1;
Arg_Idx := Argv'First;
Next_Arg_Idx :=
Get_Arg_End (Argv.all, Arg_Idx);
Arg := new String'
(Argv (Arg_Idx .. Next_Arg_Idx));
- end loop;
+ goto Tryagain_After_Coalesce;
+ end if;
+
+ Put (Standard_Error,
+ "incorrectly parenthesized " &
+ "or malformed argument: ");
+ Put_Line (Standard_Error, Arg.all);
+ Errors := Errors + 1;
- -- Parse the comma separated list of VMS
- -- filenames and place them on the command
- -- line as space separated Unix style
- -- filenames. Lower case and add default
- -- extension as appropriate.
+ else
+ SwP := SwP + 3;
+ Endp := Arg'Last - 1;
+ end if;
+ while SwP <= Endp loop
declare
- Arg1_Idx : Integer := Arg'First;
-
- function Get_Arg1_End
- (Arg : String;
- Arg_Idx : Integer) return Integer;
- -- Begins looking at Arg_Idx + 1 and
- -- returns the index of the last character
- -- before a comma or else the index of the
- -- last character in the string Arg.
-
- ------------------
- -- Get_Arg1_End --
- ------------------
-
- function Get_Arg1_End
- (Arg : String;
- Arg_Idx : Integer) return Integer
- is
- begin
- for J in Arg_Idx + 1 .. Arg'Last loop
- if Arg (J) = ',' then
- return J - 1;
- end if;
- end loop;
+ Dir_Is_Wild : Boolean := False;
+ Dir_Maybe_Is_Wild : Boolean := False;
- return Arg'Last;
- end Get_Arg1_End;
+ Dir_List : String_Access_List_Access;
begin
+ P2 := SwP;
+
+ while P2 < Endp
+ and then Arg (P2 + 1) /= ','
loop
- declare
- Next_Arg1_Idx :
- constant Integer :=
- Get_Arg1_End (Arg.all, Arg1_Idx);
-
- Arg1 :
- constant String :=
- Arg (Arg1_Idx .. Next_Arg1_Idx);
-
- Normal_File :
- constant String_Access :=
- To_Canonical_File_Spec (Arg1);
-
- begin
- Place (' ');
- Place_Lower (Normal_File.all);
-
- if Is_Extensionless (Normal_File.all)
- and then Command.Defext /= " "
- then
- Place ('.');
- Place (Command.Defext);
- end if;
-
- Arg1_Idx := Next_Arg1_Idx + 1;
- end;
-
- exit when Arg1_Idx > Arg'Last;
-
- -- Don't allow two or more commas in
- -- a row
-
- if Arg (Arg1_Idx) = ',' then
- Arg1_Idx := Arg1_Idx + 1;
- if Arg1_Idx > Arg'Last or else
- Arg (Arg1_Idx) = ','
- then
- Put_Line
- (Standard_Error,
- "Malformed Parameter: " &
- Arg.all);
- Put (Standard_Error, "usage: ");
- Put_Line (Standard_Error,
- Command.Usage.all);
- raise Error_Exit;
- end if;
+ -- A wildcard directory spec on
+ -- VMS will contain either * or
+ -- % or ...
+
+ if Arg (P2) = '*' then
+ Dir_Is_Wild := True;
+
+ elsif Arg (P2) = '%' then
+ Dir_Is_Wild := True;
+
+ elsif Dir_Maybe_Is_Wild
+ and then Arg (P2) = '.'
+ and then Arg (P2 + 1) = '.'
+ then
+ Dir_Is_Wild := True;
+ Dir_Maybe_Is_Wild := False;
+
+ elsif Dir_Maybe_Is_Wild then
+ Dir_Maybe_Is_Wild := False;
+
+ elsif Arg (P2) = '.'
+ and then Arg (P2 + 1) = '.'
+ then
+ Dir_Maybe_Is_Wild := True;
+
end if;
+ P2 := P2 + 1;
end loop;
+
+ if Dir_Is_Wild then
+ Dir_List :=
+ To_Canonical_File_List
+ (Arg (SwP .. P2), True);
+
+ for J in Dir_List.all'Range loop
+ Place_Unix_Switches
+ (Sw.Unix_String);
+ Place_Lower
+ (Dir_List.all (J).all);
+ end loop;
+
+ else
+ Place_Unix_Switches
+ (Sw.Unix_String);
+ Place_Lower
+ (To_Canonical_Dir_Spec
+ (Arg (SwP .. P2), False).all);
+ end if;
+
+ SwP := P2 + 2;
end;
- end case;
- end if;
+ end loop;
- -- Qualifier argument
+ when T_Directory =>
+ if SwP + 1 > Arg'Last then
+ Put (Standard_Error,
+ "missing directory for: ");
+ Put_Line (Standard_Error, Arg.all);
+ Errors := Errors + 1;
- else
- -- This code is too heavily nested, should be
- -- separated out as separate subprogram ???
-
- declare
- Sw : Item_Ptr;
- SwP : Natural;
- P2 : Natural;
- Endp : Natural := 0; -- avoid warning!
- Opt : Item_Ptr;
-
- begin
- SwP := Arg'First;
- while SwP < Arg'Last
- and then Arg (SwP + 1) /= '='
- loop
- SwP := SwP + 1;
- end loop;
+ else
+ Place_Unix_Switches (Sw.Unix_String);
- -- At this point, the switch name is in
- -- Arg (Arg'First..SwP) and if that is not the
- -- whole switch, then there is an equal sign at
- -- Arg (SwP + 1) and the rest of Arg is what comes
- -- after the equal sign.
+ -- Some switches end in "=". No space
+ -- here
- -- If make commands are active, see if we have
- -- another COMMANDS_TRANSLATION switch belonging
- -- to gnatmake.
+ if Sw.Unix_String
+ (Sw.Unix_String'Last) /= '='
+ then
+ Place (' ');
+ end if;
- if Make_Commands_Active /= null then
- Sw :=
- Matching_Name
- (Arg (Arg'First .. SwP),
- Command.Switches,
- Quiet => True);
+ Place_Lower
+ (To_Canonical_Dir_Spec
+ (Arg (SwP + 2 .. Arg'Last),
+ False).all);
+ end if;
- if Sw /= null
- and then Sw.Translation = T_Commands
- then
- null;
+ when T_File | T_No_Space_File =>
+ if SwP + 1 > Arg'Last then
+ Put (Standard_Error,
+ "missing file for: ");
+ Put_Line (Standard_Error, Arg.all);
+ Errors := Errors + 1;
else
- Sw :=
- Matching_Name
- (Arg (Arg'First .. SwP),
- Make_Commands_Active.Switches,
- Quiet => False);
- end if;
+ Place_Unix_Switches (Sw.Unix_String);
- -- For case of GNAT MAKE or CHOP, if we cannot
- -- find the switch, then see if it is a
- -- recognized compiler switch instead, and if
- -- so process the compiler switch.
+ -- Some switches end in "=". No space
+ -- here.
- elsif Command.Name.all = "MAKE"
- or else Command.Name.all = "CHOP" then
- Sw :=
- Matching_Name
- (Arg (Arg'First .. SwP),
- Command.Switches,
- Quiet => True);
+ if Sw.Translation = T_File
+ and then Sw.Unix_String
+ (Sw.Unix_String'Last) /= '='
+ then
+ Place (' ');
+ end if;
- if Sw = null then
- Sw :=
- Matching_Name
- (Arg (Arg'First .. SwP),
- Matching_Name
- ("COMPILE", Commands).Switches,
- Quiet => False);
+ Place_Lower
+ (To_Canonical_File_Spec
+ (Arg (SwP + 2 .. Arg'Last)).all);
end if;
- -- For all other cases, just search the relevant
- -- command.
-
- else
- Sw :=
- Matching_Name
- (Arg (Arg'First .. SwP),
- Command.Switches,
- Quiet => False);
- end if;
+ when T_Numeric =>
+ if OK_Integer (Arg (SwP + 2 .. Arg'Last)) then
+ Place_Unix_Switches (Sw.Unix_String);
+ Place (Arg (SwP + 2 .. Arg'Last));
- if Sw /= null then
- case Sw.Translation is
+ else
+ Put (Standard_Error, "argument for ");
+ Put (Standard_Error, Sw.Name.all);
+ Put_Line
+ (Standard_Error, " must be numeric");
+ Errors := Errors + 1;
+ end if;
- when T_Direct =>
- Place_Unix_Switches (Sw.Unix_String);
- if SwP < Arg'Last
- and then Arg (SwP + 1) = '='
- then
- Put (Standard_Error,
- "qualifier options ignored: ");
- Put_Line (Standard_Error, Arg.all);
- end if;
+ when T_Alphanumplus =>
+ if OK_Alphanumerplus
+ (Arg (SwP + 2 .. Arg'Last))
+ then
+ Place_Unix_Switches (Sw.Unix_String);
+ Place (Arg (SwP + 2 .. Arg'Last));
- when T_Directories =>
- if SwP + 1 > Arg'Last then
- Put (Standard_Error,
- "missing directories for: ");
- Put_Line (Standard_Error, Arg.all);
- Errors := Errors + 1;
+ else
+ Put (Standard_Error, "argument for ");
+ Put (Standard_Error, Sw.Name.all);
+ Put_Line (Standard_Error,
+ " must be alphanumeric");
+ Errors := Errors + 1;
+ end if;
- elsif Arg (SwP + 2) /= '(' then
- SwP := SwP + 2;
- Endp := Arg'Last;
+ when T_String =>
- elsif Arg (Arg'Last) /= ')' then
+ -- A String value must be extended to the
+ -- end of the Argv, otherwise strings like
+ -- "foo/bar" get split at the slash.
- -- Remove spaces from a comma separated
- -- list of file names and adjust
- -- control variables accordingly.
+ -- The begining and ending of the string
+ -- are flagged with embedded nulls which
+ -- are removed when building the Spawn
+ -- call. Nulls are use because they won't
+ -- show up in a /? output. Quotes aren't
+ -- used because that would make it
+ -- difficult to embed them.
- if Arg_Num < Argument_Count and then
- (Argv (Argv'Last) = ',' xor
- Argument (Arg_Num + 1)
- (Argument (Arg_Num + 1)'First) = ',')
- then
- Argv :=
- new String'(Argv.all
- & Argument
- (Arg_Num + 1));
- Arg_Num := Arg_Num + 1;
- Arg_Idx := Argv'First;
- Next_Arg_Idx :=
- Get_Arg_End (Argv.all, Arg_Idx);
- Arg := new String'
- (Argv (Arg_Idx .. Next_Arg_Idx));
- goto Tryagain_After_Coalesce;
- end if;
+ Place_Unix_Switches (Sw.Unix_String);
- Put (Standard_Error,
- "incorrectly parenthesized " &
- "or malformed argument: ");
- Put_Line (Standard_Error, Arg.all);
- Errors := Errors + 1;
+ if Next_Arg_Idx /= Argv'Last then
+ Next_Arg_Idx := Argv'Last;
+ Arg := new String'
+ (Argv (Arg_Idx .. Next_Arg_Idx));
- else
- SwP := SwP + 3;
- Endp := Arg'Last - 1;
- end if;
+ SwP := Arg'First;
+ while SwP < Arg'Last and then
+ Arg (SwP + 1) /= '=' loop
+ SwP := SwP + 1;
+ end loop;
+ end if;
- while SwP <= Endp loop
- declare
- Dir_Is_Wild : Boolean := False;
- Dir_Maybe_Is_Wild : Boolean := False;
-
- Dir_List : String_Access_List_Access;
-
- begin
- P2 := SwP;
-
- while P2 < Endp
- and then Arg (P2 + 1) /= ','
- loop
- -- A wildcard directory spec on
- -- VMS will contain either * or
- -- % or ...
-
- if Arg (P2) = '*' then
- Dir_Is_Wild := True;
-
- elsif Arg (P2) = '%' then
- Dir_Is_Wild := True;
-
- elsif Dir_Maybe_Is_Wild
- and then Arg (P2) = '.'
- and then Arg (P2 + 1) = '.'
- then
- Dir_Is_Wild := True;
- Dir_Maybe_Is_Wild := False;
-
- elsif Dir_Maybe_Is_Wild then
- Dir_Maybe_Is_Wild := False;
-
- elsif Arg (P2) = '.'
- and then Arg (P2 + 1) = '.'
- then
- Dir_Maybe_Is_Wild := True;
-
- end if;
-
- P2 := P2 + 1;
- end loop;
-
- if Dir_Is_Wild then
- Dir_List :=
- To_Canonical_File_List
- (Arg (SwP .. P2), True);
-
- for J in Dir_List.all'Range loop
- Place_Unix_Switches
- (Sw.Unix_String);
- Place_Lower
- (Dir_List.all (J).all);
- end loop;
-
- else
- Place_Unix_Switches
- (Sw.Unix_String);
- Place_Lower
- (To_Canonical_Dir_Spec
- (Arg (SwP .. P2), False).all);
- end if;
-
- SwP := P2 + 2;
- end;
- end loop;
+ Place (ASCII.NUL);
+ Place (Arg (SwP + 2 .. Arg'Last));
+ Place (ASCII.NUL);
- when T_Directory =>
- if SwP + 1 > Arg'Last then
- Put (Standard_Error,
- "missing directory for: ");
- Put_Line (Standard_Error, Arg.all);
- Errors := Errors + 1;
+ when T_Commands =>
- else
- Place_Unix_Switches (Sw.Unix_String);
+ -- Output -largs/-bargs/-cargs
- -- Some switches end in "=". No space
- -- here
+ Place (' ');
+ Place (Sw.Unix_String
+ (Sw.Unix_String'First ..
+ Sw.Unix_String'First + 5));
- if Sw.Unix_String
- (Sw.Unix_String'Last) /= '='
- then
- Place (' ');
- end if;
+ if Sw.Unix_String
+ (Sw.Unix_String'First + 7 ..
+ Sw.Unix_String'Last) = "MAKE"
+ then
+ Make_Commands_Active := null;
- Place_Lower
- (To_Canonical_Dir_Spec
- (Arg (SwP + 2 .. Arg'Last),
- False).all);
- end if;
+ else
+ -- Set source of new commands, also
+ -- setting this non-null indicates that
+ -- we are in the special commands mode
+ -- for processing the -xargs case.
- when T_File | T_No_Space_File =>
- if SwP + 1 > Arg'Last then
- Put (Standard_Error,
- "missing file for: ");
- Put_Line (Standard_Error, Arg.all);
- Errors := Errors + 1;
+ Make_Commands_Active :=
+ Matching_Name
+ (Sw.Unix_String
+ (Sw.Unix_String'First + 7 ..
+ Sw.Unix_String'Last),
+ Commands);
+ end if;
- else
- Place_Unix_Switches (Sw.Unix_String);
+ when T_Options =>
+ if SwP + 1 > Arg'Last then
+ Place_Unix_Switches
+ (Sw.Options.Unix_String);
+ SwP := Endp + 1;
- -- Some switches end in "=". No space
- -- here.
+ elsif Arg (SwP + 2) /= '(' then
+ SwP := SwP + 2;
+ Endp := Arg'Last;
- if Sw.Translation = T_File
- and then Sw.Unix_String
- (Sw.Unix_String'Last) /= '='
- then
- Place (' ');
- end if;
+ elsif Arg (Arg'Last) /= ')' then
+ Put (Standard_Error,
+ "incorrectly parenthesized argument: ");
+ Put_Line (Standard_Error, Arg.all);
+ Errors := Errors + 1;
+ SwP := Endp + 1;
- Place_Lower
- (To_Canonical_File_Spec
- (Arg (SwP + 2 .. Arg'Last)).all);
- end if;
+ else
+ SwP := SwP + 3;
+ Endp := Arg'Last - 1;
+ end if;
- when T_Numeric =>
- if OK_Integer (Arg (SwP + 2 .. Arg'Last)) then
- Place_Unix_Switches (Sw.Unix_String);
- Place (Arg (SwP + 2 .. Arg'Last));
+ while SwP <= Endp loop
+ P2 := SwP;
- else
- Put (Standard_Error, "argument for ");
- Put (Standard_Error, Sw.Name.all);
- Put_Line
- (Standard_Error, " must be numeric");
- Errors := Errors + 1;
- end if;
+ while P2 < Endp
+ and then Arg (P2 + 1) /= ','
+ loop
+ P2 := P2 + 1;
+ end loop;
- when T_Alphanumplus =>
- if OK_Alphanumerplus
- (Arg (SwP + 2 .. Arg'Last))
- then
- Place_Unix_Switches (Sw.Unix_String);
- Place (Arg (SwP + 2 .. Arg'Last));
+ -- Option name is in Arg (SwP .. P2)
- else
- Put (Standard_Error, "argument for ");
- Put (Standard_Error, Sw.Name.all);
- Put_Line (Standard_Error,
- " must be alphanumeric");
- Errors := Errors + 1;
- end if;
+ Opt := Matching_Name (Arg (SwP .. P2),
+ Sw.Options);
- when T_String =>
+ if Opt /= null then
+ Place_Unix_Switches
+ (Opt.Unix_String);
+ end if;
- -- A String value must be extended to the
- -- end of the Argv, otherwise strings like
- -- "foo/bar" get split at the slash.
+ SwP := P2 + 2;
+ end loop;
- -- The begining and ending of the string
- -- are flagged with embedded nulls which
- -- are removed when building the Spawn
- -- call. Nulls are use because they won't
- -- show up in a /? output. Quotes aren't
- -- used because that would make it
- -- difficult to embed them.
+ when T_Other =>
+ Place_Unix_Switches
+ (new String'(Sw.Unix_String.all &
+ Arg.all));
- Place_Unix_Switches (Sw.Unix_String);
+ end case;
+ end if;
+ end;
+ end if;
- if Next_Arg_Idx /= Argv'Last then
- Next_Arg_Idx := Argv'Last;
- Arg := new String'
- (Argv (Arg_Idx .. Next_Arg_Idx));
+ Arg_Idx := Next_Arg_Idx + 1;
+ end;
- SwP := Arg'First;
- while SwP < Arg'Last and then
- Arg (SwP + 1) /= '=' loop
- SwP := SwP + 1;
- end loop;
- end if;
+ exit when Arg_Idx > Argv'Last;
- Place (ASCII.NUL);
- Place (Arg (SwP + 2 .. Arg'Last));
- Place (ASCII.NUL);
+ end loop;
- when T_Commands =>
+ if not Is_Open (Arg_File) then
+ Arg_Num := Arg_Num + 1;
+ end if;
+ end Process_Argument;
- -- Output -largs/-bargs/-cargs
+ --------------------------------
+ -- Validate_Command_Or_Option --
+ --------------------------------
- Place (' ');
- Place (Sw.Unix_String
- (Sw.Unix_String'First ..
- Sw.Unix_String'First + 5));
+ procedure Validate_Command_Or_Option (N : VMS_Data.String_Ptr) is
+ begin
+ pragma Assert (N'Length > 0);
- if Sw.Unix_String
- (Sw.Unix_String'First + 7 ..
- Sw.Unix_String'Last) = "MAKE"
- then
- Make_Commands_Active := null;
+ for J in N'Range loop
+ if N (J) = '_' then
+ pragma Assert (N (J - 1) /= '_');
+ null;
+ else
+ pragma Assert (Is_Upper (N (J)) or else Is_Digit (N (J)));
+ null;
+ end if;
+ end loop;
+ end Validate_Command_Or_Option;
- else
- -- Set source of new commands, also
- -- setting this non-null indicates that
- -- we are in the special commands mode
- -- for processing the -xargs case.
-
- Make_Commands_Active :=
- Matching_Name
- (Sw.Unix_String
- (Sw.Unix_String'First + 7 ..
- Sw.Unix_String'Last),
- Commands);
- end if;
+ --------------------------
+ -- Validate_Unix_Switch --
+ --------------------------
- when T_Options =>
- if SwP + 1 > Arg'Last then
- Place_Unix_Switches
- (Sw.Options.Unix_String);
- SwP := Endp + 1;
+ procedure Validate_Unix_Switch (S : VMS_Data.String_Ptr) is
+ begin
+ if S (S'First) = '`' then
+ return;
+ end if;
- elsif Arg (SwP + 2) /= '(' then
- SwP := SwP + 2;
- Endp := Arg'Last;
+ pragma Assert (S (S'First) = '-' or else S (S'First) = '!');
- elsif Arg (Arg'Last) /= ')' then
- Put
- (Standard_Error,
- "incorrectly parenthesized " &
- "argument: ");
- Put_Line (Standard_Error, Arg.all);
- Errors := Errors + 1;
- SwP := Endp + 1;
+ for J in S'First + 1 .. S'Last loop
+ pragma Assert (S (J) /= ' ');
- else
- SwP := SwP + 3;
- Endp := Arg'Last - 1;
- end if;
+ if S (J) = '!' then
+ pragma Assert (S (J - 1) = ',' and then S (J + 1) = '-');
+ null;
+ end if;
+ end loop;
+ end Validate_Unix_Switch;
- while SwP <= Endp loop
- P2 := SwP;
+ --------------------
+ -- VMS_Conversion --
+ --------------------
- while P2 < Endp
- and then Arg (P2 + 1) /= ','
- loop
- P2 := P2 + 1;
- end loop;
+ procedure VMS_Conversion (The_Command : out Command_Type) is
+ Result : Command_Type := Undefined;
+ Result_Set : Boolean := False;
+ begin
+ Buffer.Init;
- -- Option name is in Arg (SwP .. P2)
+ -- First we must preprocess the string form of the command and options
+ -- list into the internal form that we use.
- Opt := Matching_Name (Arg (SwP .. P2),
- Sw.Options);
+ Preprocess_Command_Data;
- if Opt /= null then
- Place_Unix_Switches
- (Opt.Unix_String);
- end if;
+ -- If no parameters, give complete list of commands
- SwP := P2 + 2;
- end loop;
+ if Argument_Count = 0 then
+ Output_Version;
+ New_Line;
+ Put_Line ("List of available commands");
+ New_Line;
- when T_Other =>
- Place_Unix_Switches
- (new String'(Sw.Unix_String.all &
- Arg.all));
+ while Commands /= null loop
+ Put (Commands.Usage.all);
+ Set_Col (53);
+ Put_Line (Commands.Unix_String.all);
+ Commands := Commands.Next;
+ end loop;
- end case;
- end if;
- end;
- end if;
+ raise Normal_Exit;
+ end if;
- Arg_Idx := Next_Arg_Idx + 1;
- end;
+ Arg_Num := 1;
- exit when Arg_Idx > Argv'Last;
+ -- Loop through arguments
- end loop;
- end Process_Argument;
+ while Arg_Num <= Argument_Count loop
+ Process_Argument (Result);
- Arg_Num := Arg_Num + 1;
+ if not Result_Set then
+ The_Command := Result;
+ Result_Set := True;
+ end if;
end loop;
-- Gross error checking that the number of parameters is correct.
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