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|
-- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR --
-- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES --
-- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN --
-- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF --
-- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. --
------------------------------------------------------------------------------
package body Natools.S_Expressions.Printers.Pretty.Config is
procedure Read_Screen_Offset
(Expression : in out Lockable.Descriptor'Class;
Value : in out Screen_Offset;
Has_Value : out Boolean);
-- Decode a screen offset from a S-expression
procedure Update_Casing
(Casing : in out Encodings.Hex_Casing;
Name : in Atom);
function To_Atom (Value : in Screen_Offset) return Atom;
function To_Atom (Before, After : in Entity) return Atom;
function To_String (Value : in Entity) return String;
------------------------------
-- Local Helper Subprograms --
------------------------------
procedure Read_Screen_Offset
(Expression : in out Lockable.Descriptor'Class;
Value : in out Screen_Offset;
Has_Value : out Boolean)
is
Result : Screen_Offset := 0;
begin
Has_Value := False;
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|
-- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR --
-- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES --
-- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN --
-- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF --
-- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. --
------------------------------------------------------------------------------
with Natools.S_Expressions.Interpreter_Loop;
with Natools.S_Expressions.Printers.Pretty.Config.Commands;
package body Natools.S_Expressions.Printers.Pretty.Config is
procedure Read_Screen_Offset
(Expression : in Lockable.Descriptor'Class;
Value : in out Screen_Offset;
Has_Value : out Boolean);
-- Decode a screen offset from a S-expression
procedure Update_Casing
(Casing : in out Encodings.Hex_Casing;
Name : in Atom);
function To_Atom (Value : in Screen_Offset) return Atom;
function To_Atom (Before, After : in Entity) return Atom;
function To_String (Value : in Entity) return String;
procedure Main_Execute
(Param : in out Parameters;
Context : in Meaningless_Type;
Name : in Atom);
procedure Main_Execute
(Param : in out Parameters;
Context : in Meaningless_Type;
Name : in Atom;
Arguments : in out Lockable.Descriptor'Class);
procedure Newline_Execute
(Param : in out Parameters;
Context : in Meaningless_Type;
Name : in Atom);
procedure Newline_Execute
(Param : in out Parameters;
Context : in Meaningless_Type;
Name : in Atom;
Arguments : in out Lockable.Descriptor'Class);
procedure Newline_Interpreter
(Expression : in out Lockable.Descriptor'Class;
Param : in out Parameters);
procedure Quoted_Execute
(Param : in out Parameters;
Context : in Meaningless_Type;
Name : in Atom);
procedure Quoted_Interpreter
(Expression : in out Lockable.Descriptor'Class;
Param : in out Parameters);
procedure Separator_Execute
(State : in out Entity_Separator;
Value : in Boolean;
Name : in Atom);
procedure Separator_Execute
(State : in out Entity_Separator;
Value : in Boolean;
Name : in Atom;
Arguments : in out Lockable.Descriptor'Class);
procedure Separator_Interpreter
(Expression : in out Lockable.Descriptor'Class;
State : in out Entity_Separator;
Context : in Boolean);
------------------
-- Interpreters --
------------------
procedure Main_Execute
(Param : in out Parameters;
Context : in Meaningless_Type;
Name : in Atom)
is
pragma Unreferenced (Context);
Command : constant String := To_String (Name);
begin
case Commands.Main (Command) is
when Commands.Set_Char_Encoding =>
Param.Char_Encoding := Commands.To_Character_Encoding (Command);
when Commands.Set_Fallback =>
Param.Fallback := Commands.To_Atom_Encoding (Command);
Update_Casing (Param.Hex_Casing, Name);
when Commands.Set_Hex_Casing =>
Param.Hex_Casing := Commands.To_Hex_Casing (Command);
when Commands.Set_Indentation =>
Param.Indentation := 0;
when Commands.Set_Newline_Encoding =>
Param.Newline := Commands.To_Newline_Encoding (Command);
when Commands.Set_Quoted =>
Param.Quoted := Commands.To_Quoted_Option (Command);
when Commands.Set_Token =>
Param.Token := Commands.To_Token_Option (Command);
when Commands.Set_Width =>
Param.Width := 0;
when Commands.Set_Newline
| Commands.Set_Quoted_String
| Commands.Set_Space_At
| Commands.Set_Tab_Stop
=>
-- Those commands are meaningless without argument
null;
end case;
end Main_Execute;
procedure Main_Execute
(Param : in out Parameters;
Context : in Meaningless_Type;
Name : in Atom;
Arguments : in out Lockable.Descriptor'Class)
is
pragma Unreferenced (Context);
Command : constant String := To_String (Name);
begin
case Commands.Main (Command) is
when Commands.Set_Indentation =>
declare
Has_Value : Boolean;
Event : Events.Event;
begin
Read_Screen_Offset (Arguments, Param.Indentation, Has_Value);
if Has_Value and then Param.Indentation /= 0 then
Arguments.Next (Event);
if Event = Events.Add_Atom then
declare
Unit : constant String
:= To_String (Arguments.Current_Atom);
Last : Natural := Unit'Last;
begin
if Last > 0 and then Unit (Last) = 's' then
Last := Last - 1;
end if;
if Unit (Unit'First .. Last) = "tab" then
Param.Indent := Tabs;
elsif Unit (Unit'First .. Last) = "space" then
Param.Indent := Spaces;
elsif Unit (Unit'First .. Last) = "tabbed-space" then
Param.Indent := Tabs_And_Spaces;
end if;
end;
end if;
end if;
end;
when Commands.Set_Newline =>
Newline_Interpreter (Arguments, Param);
when Commands.Set_Quoted_String =>
Quoted_Interpreter (Arguments, Param);
when Commands.Set_Space_At =>
Separator_Interpreter (Arguments, Param.Space_At, True);
when Commands.Set_Tab_Stop =>
declare
Value : Screen_Offset := 0;
Has_Value : Boolean;
begin
Read_Screen_Offset (Arguments, Value, Has_Value);
if Has_Value and then Value /= 0 then
Param.Tab_Stop := Value;
end if;
end;
when Commands.Set_Token =>
begin
if Arguments.Current_Event = Events.Add_Atom then
Param.Token := Commands.To_Token_Option
(To_String (Arguments.Current_Atom));
end if;
exception
when Constraint_Error => null;
end;
when Commands.Set_Width =>
declare
Has_Value : Boolean;
begin
Read_Screen_Offset (Arguments, Param.Width, Has_Value);
end;
when Commands.Set_Char_Encoding
| Commands.Set_Fallback
| Commands.Set_Hex_Casing
| Commands.Set_Newline_Encoding
| Commands.Set_Quoted
=>
-- These commands don't do anything with arguments
null;
end case;
end Main_Execute;
procedure Newline_Execute
(Param : in out Parameters;
Context : in Meaningless_Type;
Name : in Atom)
is
pragma Unreferenced (Context);
Command : constant String := To_String (Name);
begin
case Commands.Newline (Command) is
when Commands.Set_Newline_Command_Encoding =>
Param.Newline := Commands.To_Newline_Encoding (Command);
when Commands.Set_Newline_Separator =>
Separator_Execute (Param.Newline_At, True, Name);
end case;
end Newline_Execute;
procedure Newline_Execute
(Param : in out Parameters;
Context : in Meaningless_Type;
Name : in Atom;
Arguments : in out Lockable.Descriptor'Class)
is
pragma Unreferenced (Context);
Command : constant String := To_String (Name);
begin
case Commands.Newline (Command) is
when Commands.Set_Newline_Command_Encoding =>
Param.Newline := Commands.To_Newline_Encoding (Command);
when Commands.Set_Newline_Separator =>
Separator_Execute (Param.Newline_At, True, Name, Arguments);
end case;
end Newline_Execute;
procedure Quoted_Execute
(Param : in out Parameters;
Context : in Meaningless_Type;
Name : in Atom)
is
pragma Unreferenced (Context);
Command : constant String := To_String (Name);
begin
case Commands.Quoted_String (Command) is
when Commands.Set_Quoted_Option =>
Param.Quoted := Commands.To_Quoted_Option (Command);
when Commands.Set_Quoted_Escape =>
Param.Quoted_Escape := Commands.To_Quoted_Escape (Command);
Update_Casing (Param.Hex_Casing, Name);
end case;
end Quoted_Execute;
procedure Separator_Execute
(State : in out Entity_Separator;
Value : in Boolean;
Name : in Atom) is
begin
case Commands.Separator (To_String (Name)) is
when Commands.All_Separators =>
State := (others => (others => Value));
when Commands.No_Separators =>
State := (others => (others => not Value));
when Commands.Invert_Separators =>
null; -- Error, actually
when Commands.Open_Open =>
State (Opening, Opening) := Value;
when Commands.Open_Atom =>
State (Opening, Atom_Data) := Value;
when Commands.Open_Close =>
State (Opening, Closing) := Value;
when Commands.Atom_Open =>
State (Atom_Data, Opening) := Value;
when Commands.Atom_Atom =>
State (Atom_Data, Atom_Data) := Value;
when Commands.Atom_Close =>
State (Atom_Data, Closing) := Value;
when Commands.Close_Open =>
State (Closing, Opening) := Value;
when Commands.Close_Atom =>
State (Closing, Atom_Data) := Value;
when Commands.Close_Close =>
State (Closing, Closing) := Value;
end case;
end Separator_Execute;
procedure Separator_Execute
(State : in out Entity_Separator;
Value : in Boolean;
Name : in Atom;
Arguments : in out Lockable.Descriptor'Class) is
begin
case Commands.Separator (To_String (Name)) is
when Commands.Invert_Separators =>
Separator_Interpreter (Arguments, State, not Value);
when Commands.All_Separators
| Commands.No_Separators
| Commands.Open_Open
| Commands.Open_Atom
| Commands.Open_Close
| Commands.Atom_Open
| Commands.Atom_Atom
| Commands.Atom_Close
| Commands.Close_Open
| Commands.Close_Atom
| Commands.Close_Close
=>
Separator_Execute (State, Value, Name);
end case;
end Separator_Execute;
procedure Main_Interpreter is new Interpreter_Loop
(Parameters, Meaningless_Type, Main_Execute, Main_Execute);
procedure Newline_Interpreter is new Interpreter_Loop
(Parameters, Meaningless_Type, Newline_Execute, Newline_Execute);
procedure Quoted_Interpreter is new Interpreter_Loop
(Parameters, Meaningless_Type,
Dispatch_Without_Argument => Quoted_Execute);
procedure Interpreter is new Interpreter_Loop
(Entity_Separator, Boolean, Separator_Execute, Separator_Execute);
procedure Newline_Interpreter
(Expression : in out Lockable.Descriptor'Class;
Param : in out Parameters) is
begin
Newline_Interpreter (Expression, Param, Meaningless_Value);
end Newline_Interpreter;
procedure Quoted_Interpreter
(Expression : in out Lockable.Descriptor'Class;
Param : in out Parameters) is
begin
Quoted_Interpreter (Expression, Param, Meaningless_Value);
end Quoted_Interpreter;
procedure Separator_Interpreter
(Expression : in out Lockable.Descriptor'Class;
State : in out Entity_Separator;
Context : in Boolean)
renames Interpreter;
------------------------------
-- Local Helper Subprograms --
------------------------------
procedure Read_Screen_Offset
(Expression : in Lockable.Descriptor'Class;
Value : in out Screen_Offset;
Has_Value : out Boolean)
is
Result : Screen_Offset := 0;
begin
Has_Value := False;
|
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|
when Verbatim => Output.Append_Atom (To_Atom ("verbatim"));
end case;
end Print;
procedure Update
(Param : in out Parameters;
Expression : in out Lockable.Descriptor'Class)
is
Interpreter : constant Interpreters.Interpreter := Config_Interpreter;
begin
Update (Interpreter, Param, Expression);
end Update;
procedure Update
(Interpreter : in Interpreters.Interpreter;
Param : in out Parameters;
Interpreter.Execute (Expression, Param, True);
end Update;
------------------------------
-- Interpreter Constructors --
------------------------------
function Config_Interpreter return Interpreters.Interpreter is
Quoted_SI, Newline_SI, Space_SI, Result : Interpreters.Interpreter;
begin
-- Setup subinterpreters
Add_Separator_Commands (Newline_SI, True, True);
Add_Newline_Encoding_Commands (Newline_SI);
Add_Quoted_Commands (Quoted_SI);
Add_Quoted_Escape_Commands (Quoted_SI);
Add_Separator_Commands (Space_SI, True, False);
-- Build final interpreter
Result.Add_Command (To_Atom ("escape"),
Set_Quoted_String'(Subinterpreter => Quoted_SI));
Result.Add_Command (To_Atom ("indent"), Set_Indentation'(null record));
Result.Add_Command (To_Atom ("indentation"),
Set_Indentation'(null record));
Result.Add_Command (To_Atom ("no-indent"),
Set_Indentation'(null record));
Result.Add_Command (To_Atom ("no-indentation"),
Set_Indentation'(null record));
Result.Add_Command (To_Atom ("newline"),
Set_Newline'(Subinterpreter => Newline_SI));
Result.Add_Command (To_Atom ("quoted"),
Set_Quoted_String'(Subinterpreter => Quoted_SI));
Result.Add_Command (To_Atom ("space"),
Set_Space_At'(Subinterpreter => Space_SI));
Result.Add_Command (To_Atom ("tab-stop"), Set_Tab_Stop'(null record));
Result.Add_Command (To_Atom ("width"), Set_Width'(null record));
Result.Add_Command (To_Atom ("no-width"), Set_Width'(null record));
Result.Add_Command (To_Atom ("extended-token"),
Set_Token'(Value => Extended_Token));
Result.Add_Command (To_Atom ("no-token"),
Set_Token'(Value => No_Token));
Result.Add_Command (To_Atom ("standard-token"),
Set_Token'(Value => Standard_Token));
Result.Add_Command (To_Atom ("token"),
Set_Token'(Value => Standard_Token));
Result.Add_Command (To_Atom ("no-quoted"),
Set_Quoted'(Value => No_Quoted));
Result.Add_Command (To_Atom ("no-quoted-string"),
Set_Quoted'(Value => No_Quoted));
Result.Add_Command (To_Atom ("quoted-when-shorter"),
Set_Quoted'(Value => When_Shorter));
Result.Add_Command (To_Atom ("quoted-string-when-shorter"),
Set_Quoted'(Value => When_Shorter));
Result.Add_Command (To_Atom ("single-line-quoted"),
Set_Quoted'(Value => Single_Line));
Result.Add_Command (To_Atom ("single-line-quoted-string"),
Set_Quoted'(Value => Single_Line));
Result.Add_Command (To_Atom ("base64"),
Set_Fallback'(Value => Base64));
Result.Add_Command (To_Atom ("base-64"),
Set_Fallback'(Value => Base64));
Result.Add_Command (To_Atom ("lower-hex"),
Set_Fallback'(Value => Hexadecimal));
Result.Add_Command (To_Atom ("lower-hexa"),
Set_Fallback'(Value => Hexadecimal));
Result.Add_Command (To_Atom ("hex"),
Set_Fallback'(Value => Hexadecimal));
Result.Add_Command (To_Atom ("hexa"),
Set_Fallback'(Value => Hexadecimal));
Result.Add_Command (To_Atom ("hexadecimal"),
Set_Fallback'(Value => Hexadecimal));
Result.Add_Command (To_Atom ("upper-hex"),
Set_Fallback'(Value => Hexadecimal));
Result.Add_Command (To_Atom ("upper-hexa"),
Set_Fallback'(Value => Hexadecimal));
Result.Add_Command (To_Atom ("verbatim"),
Set_Fallback'(Value => Verbatim));
Add_Char_Encoding_Commands (Result);
Add_Hex_Casing_Commands (Result);
Add_Newline_Encoding_Commands (Result);
return Result;
end Config_Interpreter;
procedure Add_Char_Encoding_Commands
(Interpreter : in out Interpreters.Interpreter) is
begin
Interpreter.Add_Command (To_Atom ("utf-8"),
Set_Char_Encoding'(Value => UTF_8));
Interpreter.Add_Command (To_Atom ("UTF-8"),
Set_Char_Encoding'(Value => UTF_8));
Interpreter.Add_Command (To_Atom ("utf8"),
Set_Char_Encoding'(Value => UTF_8));
Interpreter.Add_Command (To_Atom ("UTF8"),
Set_Char_Encoding'(Value => UTF_8));
Interpreter.Add_Command (To_Atom ("ascii"),
Set_Char_Encoding'(Value => ASCII));
Interpreter.Add_Command (To_Atom ("ASCII"),
Set_Char_Encoding'(Value => ASCII));
Interpreter.Add_Command (To_Atom ("latin-1"),
Set_Char_Encoding'(Value => Latin));
Interpreter.Add_Command (To_Atom ("latin"),
Set_Char_Encoding'(Value => Latin));
Interpreter.Add_Command (To_Atom ("iso-8859-1"),
Set_Char_Encoding'(Value => Latin));
Interpreter.Add_Command (To_Atom ("ISO-8859-1"),
Set_Char_Encoding'(Value => Latin));
end Add_Char_Encoding_Commands;
procedure Add_Hex_Casing_Commands
(Interpreter : in out Interpreters.Interpreter) is
begin
Interpreter.Add_Command (To_Atom ("upper"),
Set_Hex_Casing'(Value => Encodings.Upper));
Interpreter.Add_Command (To_Atom ("upper-case"),
Set_Hex_Casing'(Value => Encodings.Upper));
Interpreter.Add_Command (To_Atom ("lower"),
Set_Hex_Casing'(Value => Encodings.Lower));
Interpreter.Add_Command (To_Atom ("lower-case"),
Set_Hex_Casing'(Value => Encodings.Lower));
end Add_Hex_Casing_Commands;
procedure Add_Quoted_Commands
(Interpreter : in out Interpreters.Interpreter) is
begin
Interpreter.Add_Command (To_Atom ("never"),
Set_Quoted'(Value => No_Quoted));
Interpreter.Add_Command (To_Atom ("single-line"),
Set_Quoted'(Value => Single_Line));
Interpreter.Add_Command (To_Atom ("when-shorter"),
Set_Quoted'(Value => When_Shorter));
end Add_Quoted_Commands;
procedure Add_Quoted_Escape_Commands
(Interpreter : in out Interpreters.Interpreter) is
begin
Interpreter.Add_Command (To_Atom ("octal"),
Set_Quoted_Escape'(Value => Octal_Escape));
Interpreter.Add_Command (To_Atom ("hex"),
Set_Quoted_Escape'(Value => Hex_Escape));
Interpreter.Add_Command (To_Atom ("hexa"),
Set_Quoted_Escape'(Value => Hex_Escape));
Interpreter.Add_Command (To_Atom ("hexadecimal"),
Set_Quoted_Escape'(Value => Hex_Escape));
Interpreter.Add_Command (To_Atom ("lower-hex"),
Set_Quoted_Escape'(Value => Hex_Escape));
Interpreter.Add_Command (To_Atom ("lower-hexa"),
Set_Quoted_Escape'(Value => Hex_Escape));
Interpreter.Add_Command (To_Atom ("upper-hex"),
Set_Quoted_Escape'(Value => Hex_Escape));
Interpreter.Add_Command (To_Atom ("upper-hexa"),
Set_Quoted_Escape'(Value => Hex_Escape));
Add_Hex_Casing_Commands (Interpreter);
end Add_Quoted_Escape_Commands;
procedure Add_Newline_Encoding_Commands
(Interpreter : in out Interpreters.Interpreter) is
begin
Interpreter.Add_Command (To_Atom ("cr"),
Set_Newline_Encoding'(Value => CR));
Interpreter.Add_Command (To_Atom ("CR"),
Set_Newline_Encoding'(Value => CR));
Interpreter.Add_Command (To_Atom ("lf"),
Set_Newline_Encoding'(Value => LF));
Interpreter.Add_Command (To_Atom ("LF"),
Set_Newline_Encoding'(Value => LF));
Interpreter.Add_Command (To_Atom ("CRLF"),
Set_Newline_Encoding'(Value => CR_LF));
Interpreter.Add_Command (To_Atom ("CR-LF"),
Set_Newline_Encoding'(Value => CR_LF));
Interpreter.Add_Command (To_Atom ("crlf"),
Set_Newline_Encoding'(Value => CR_LF));
Interpreter.Add_Command (To_Atom ("cr-lf"),
Set_Newline_Encoding'(Value => CR_LF));
Interpreter.Add_Command (To_Atom ("lf-cr"),
Set_Newline_Encoding'(Value => LF_CR));
Interpreter.Add_Command (To_Atom ("lfcr"),
Set_Newline_Encoding'(Value => LF_CR));
Interpreter.Add_Command (To_Atom ("LF-CR"),
Set_Newline_Encoding'(Value => LF_CR));
Interpreter.Add_Command (To_Atom ("LFCR"),
Set_Newline_Encoding'(Value => LF_CR));
end Add_Newline_Encoding_Commands;
procedure Add_Separator_Commands
(Interpreter : in out Interpreters.Interpreter;
Value : in Boolean;
Newline : in Boolean) is
begin
for Before in Entity loop
for After in Entity loop
Interpreter.Add_Command
(To_Atom (Before, After),
Set_Separator'(Before, After, Value, Newline));
end loop;
end loop;
Interpreter.Add_Command
(To_Atom ("all"),
Set_All_Separators'(Value, Newline));
Interpreter.Add_Command
(To_Atom ("none"),
Set_All_Separators'(not Value, Newline));
Interpreter.Add_Command
(To_Atom ("not"),
Set_All_Separators'(not Value, Newline));
end Add_Separator_Commands;
-------------------------
-- Invididual Commands --
-------------------------
procedure Execute
(Self : in Set_Width;
State : in out Parameters;
Context : in Boolean;
Name : in Atom)
is
pragma Unreferenced (Self, Context, Name);
begin
State.Width := 0;
end Execute;
procedure Execute
(Self : in Set_Width;
State : in out Parameters;
Context : in Boolean;
Cmd : in out Lockable.Descriptor'Class)
is
pragma Unreferenced (Self, Context);
Has_Value : Boolean;
begin
Cmd.Next;
Read_Screen_Offset (Cmd, State.Width, Has_Value);
end Execute;
procedure Execute
(Self : in Set_Tab_Stop;
State : in out Parameters;
Context : in Boolean;
Cmd : in out Lockable.Descriptor'Class)
is
pragma Unreferenced (Self, Context);
Value : Screen_Offset := 0;
Has_Value : Boolean;
begin
Cmd.Next;
Read_Screen_Offset (Cmd, Value, Has_Value);
if Has_Value and then Value /= 0 then
State.Tab_Stop := Value;
end if;
end Execute;
procedure Execute
(Self : in Set_Indentation;
State : in out Parameters;
Context : in Boolean;
Name : in Atom)
is
pragma Unreferenced (Self, Context, Name);
begin
State.Indentation := 0;
end Execute;
procedure Execute
(Self : in Set_Indentation;
State : in out Parameters;
Context : in Boolean;
Cmd : in out Lockable.Descriptor'Class)
is
pragma Unreferenced (Self, Context);
Has_Value : Boolean;
Event : Events.Event;
begin
Cmd.Next (Event);
Read_Screen_Offset (Cmd, State.Indentation, Has_Value);
if Has_Value and State.Indentation /= 0 then
Cmd.Next (Event);
if Event = Events.Add_Atom then
declare
Keyword : constant String := To_String (Cmd.Current_Atom);
begin
if Keyword = "tab" or Keyword = "tabs" then
State.Indent := Tabs;
elsif Keyword = "space" or Keyword = "spaces" then
State.Indent := Spaces;
elsif Keyword = "tabbed-space" or Keyword = "tabbed-spaces" then
State.Indent := Tabs_And_Spaces;
end if;
end;
end if;
end if;
end Execute;
procedure Execute
(Self : in Set_Newline;
State : in out Parameters;
Context : in Boolean;
Cmd : in out Lockable.Descriptor'Class) is
begin
pragma Assert (not Self.Subinterpreter.Is_Empty);
Cmd.Next;
Self.Subinterpreter.Execute (Cmd, State, Context);
end Execute;
procedure Execute
(Self : in Set_Space_At;
State : in out Parameters;
Context : in Boolean;
Cmd : in out Lockable.Descriptor'Class) is
begin
pragma Assert (not Self.Subinterpreter.Is_Empty);
Cmd.Next;
Self.Subinterpreter.Execute (Cmd, State, Context);
end Execute;
procedure Execute
(Self : in Set_Char_Encoding;
State : in out Parameters;
Context : in Boolean;
Name : in Atom)
is
pragma Unreferenced (Context, Name);
begin
State.Char_Encoding := Self.Value;
end Execute;
procedure Execute
(Self : in Set_Newline_Encoding;
State : in out Parameters;
Context : in Boolean;
Name : in Atom)
is
pragma Unreferenced (Context, Name);
begin
State.Newline := Self.Value;
end Execute;
procedure Execute
(Self : in Set_Separator;
State : in out Parameters;
Context : in Boolean;
Name : in Atom)
is
pragma Unreferenced (Context, Name);
begin
if Self.Newline then
State.Newline_At (Self.Before, Self.After) := Self.Value;
else
State.Space_At (Self.Before, Self.After) := Self.Value;
end if;
end Execute;
procedure Execute
(Self : in Set_All_Separators;
State : in out Parameters;
Context : in Boolean;
Name : in Atom)
is
pragma Unreferenced (Context, Name);
begin
if Self.Newline then
State.Newline_At := (others => (others => Self.Value));
else
State.Space_At := (others => (others => Self.Value));
end if;
end Execute;
procedure Execute
(Self : in Set_All_Separators;
State : in out Parameters;
Context : in Boolean;
Cmd : in out Lockable.Descriptor'Class)
is
Subinterpreter : Interpreters.Interpreter;
begin
Add_Separator_Commands (Subinterpreter, Self.Value, Self.Newline);
Subinterpreter.Execute (Cmd, State, Context);
end Execute;
procedure Execute
(Self : in Set_Hex_Casing;
State : in out Parameters;
Context : in Boolean;
Name : in Atom)
is
pragma Unreferenced (Context, Name);
begin
State.Hex_Casing := Self.Value;
end Execute;
procedure Execute
(Self : in Set_Fallback;
State : in out Parameters;
Context : in Boolean;
Name : in Atom)
is
pragma Unreferenced (Context);
begin
State.Fallback := Self.Value;
Update_Casing (State.Hex_Casing, Name);
end Execute;
procedure Execute
(Self : in Set_Token;
State : in out Parameters;
Context : in Boolean;
Name : in Atom)
is
pragma Unreferenced (Context, Name);
begin
State.Token := Self.Value;
end Execute;
procedure Execute
(Self : in Set_Token;
State : in out Parameters;
Context : in Boolean;
Cmd : in out Lockable.Descriptor'Class)
is
pragma Unreferenced (Self, Context);
Event : Events.Event;
begin
Cmd.Next (Event);
if Event /= Events.Add_Atom then
return;
end if;
declare
Token : constant String := To_String (Cmd.Current_Atom);
begin
if Token = "standard" then
State.Token := Standard_Token;
elsif Token = "extended" then
State.Token := Extended_Token;
elsif Token = "never" or Token = "none" or Token = "no" then
State.Token := No_Token;
end if;
end;
end Execute;
procedure Execute
(Self : in Set_Quoted_Escape;
State : in out Parameters;
Context : in Boolean;
Name : in Atom)
is
pragma Unreferenced (Context);
begin
State.Quoted_Escape := Self.Value;
Update_Casing (State.Hex_Casing, Name);
end Execute;
procedure Execute
(Self : in Set_Quoted;
State : in out Parameters;
Context : in Boolean;
Name : in Atom)
is
pragma Unreferenced (Context, Name);
begin
State.Quoted := Self.Value;
end Execute;
procedure Execute
(Self : in Set_Quoted_String;
State : in out Parameters;
Context : in Boolean;
Cmd : in out Lockable.Descriptor'Class) is
begin
pragma Assert (not Self.Subinterpreter.Is_Empty);
Cmd.Next;
Self.Subinterpreter.Execute (Cmd, State, Context);
end Execute;
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when Verbatim => Output.Append_Atom (To_Atom ("verbatim"));
end case;
end Print;
procedure Update
(Param : in out Parameters;
Expression : in out Lockable.Descriptor'Class) is
begin
Main_Interpreter (Expression, Param, Meaningless_Value);
end Update;
end Natools.S_Expressions.Printers.Pretty.Config;
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