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pragma Assert (not (Atom_Maps.Key (Cursor).Last < Values.First));
if Atom_Maps.Key (Cursor).First < Values.First then
declare
Old_Key : constant Interval := Atom_Maps.Key (Cursor);
Prefix_Key : constant Interval
:= (Old_Key.First, T'Pred (Values.First));
Prefix_Image : constant Atom_Refs.Immutable_Reference
Prefix_Image : constant Displayed_Atom
:= Atom_Maps.Element (Cursor);
begin
Delete_And_Next (Map, Cursor);
Map.Insert (Prefix_Key, Prefix_Image);
if Values.Last < Old_Key.Last then
Map.Insert ((T'Succ (Values.Last), Old_Key.Last), Prefix_Image);
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if Atom_Maps.Has_Element (Cursor)
and then not (Values.Last < Atom_Maps.Key (Cursor).First)
then
declare
Old_Key : constant Interval := Atom_Maps.Key (Cursor);
Suffix_Key : constant Interval
:= (T'Succ (Values.Last), Old_Key.Last);
Suffix_Image : constant Atom_Refs.Immutable_Reference
Suffix_Image : constant Displayed_Atom
:= Atom_Maps.Element (Cursor);
begin
Delete_And_Next (Map, Cursor);
Map.Insert (Suffix_Key, Suffix_Image);
end;
end if;
end Exclude;
procedure Include
(Map : in out Atom_Maps.Map;
Values : in Interval;
Image : in Atom_Refs.Immutable_Reference) is
Image : in Atom_Refs.Immutable_Reference;
Width : in Generic_Integers.Width) is
begin
Exclude (Map, Values);
if not Image.Is_Empty then
Map.Insert (Values, Image);
Map.Insert (Values, (Image, Width));
end if;
end Include;
procedure Parse
(Map : in out Atom_Maps.Map;
Expression : in out Lockable.Descriptor'Class)
is
Event : Events.Event := Expression.Current_Event;
Lock : Lockable.Lock_State;
begin
loop
case Event is
when Events.Add_Atom =>
declare
Image : constant Atom := Expression.Current_Atom;
begin
Include
(Map,
(T'First, T'Last),
Create (Expression.Current_Atom));
Include
(Map,
(T'First, T'Last),
Create (Image),
Image'Length);
end;
when Events.Open_List =>
Expression.Lock (Lock);
begin
Expression.Next;
Parse_Single_Affix (Map, Expression);
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return (First, Last);
end Read_Interval;
Event : Events.Event := Expression.Current_Event;
Lock : Lockable.Lock_State;
Affix : Atom_Refs.Immutable_Reference;
Affix_Width : Width := 0;
begin
case Event is
when Events.Add_Atom =>
declare
Current : constant Atom := Expression.Current_Atom;
begin
if Current'Length > 0 then
Affix := Create (Current);
Affix_Width := Current'Length;
end if;
end;
when Events.Open_List =>
Expression.Lock (Lock);
begin
Expression.Next (Event);
if Event /= Events.Add_Atom then
Expression.Unlock (Lock, False);
return;
end if;
Affix := Create (Expression.Current_Atom);
Affix_Width := Affix.Query.Data.all'Length;
Expression.Next (Event);
if Event = Events.Add_Atom then
begin
Affix_Width := Width'Value
(To_String (Expression.Current_Atom));
exception
when Constraint_Error => null;
end;
end if;
exception
when others =>
Expression.Unlock (Lock, False);
raise;
end;
Expression.Unlock (Lock);
when others =>
return;
end case;
loop
Expression.Next (Event);
case Event is
when Events.Add_Atom =>
declare
Value : T;
begin
Value := T'Value (To_String (Expression.Current_Atom));
Include (Map, (Value, Value), Affix);
Include (Map, (Value, Value), Affix, Affix_Width);
exception
when Constraint_Error => null;
end;
when Events.Open_List =>
Expression.Lock (Lock);
begin
Include
Include (Map, Read_Interval (Expression), Affix);
(Map, Read_Interval (Expression),
Affix, Affix_Width);
exception
when Constraint_Error =>
null;
when others =>
Expression.Unlock (Lock, False);
raise;
end;
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begin
Check_Explicit_Image :
declare
Cursor : constant Atom_Maps.Cursor
:= Template.Images.Find ((Value, Value));
begin
if Atom_Maps.Has_Element (Cursor) then
return Atom_Maps.Element (Cursor).Query.Data.all;
return Atom_Maps.Element (Cursor).Image.Query.Data.all;
end if;
end Check_Explicit_Image;
if Value < 0 then
Reverse_Render (-Value, Symbols.Query.Data.all, Output, Length);
Output.Append (Safe_Atom (Template.Negative_Sign, "-"));
else
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Add_Prefix :
declare
Cursor : constant Atom_Maps.Cursor
:= Template.Prefix.Find ((Value, Value));
begin
if Atom_Maps.Has_Element (Cursor) then
declare
Output.Append_Reverse (Atom_Maps.Element (Cursor).Query.Data.all);
Data : constant Displayed_Atom := Atom_Maps.Element (Cursor);
begin
Output.Append_Reverse (Data.Image.Query.Data.all);
Length := Length + Data.Width;
end;
end if;
end Add_Prefix;
Output.Invert;
Add_Suffix :
declare
Cursor : constant Atom_Maps.Cursor
:= Template.Suffix.Find ((Value, Value));
begin
if Atom_Maps.Has_Element (Cursor) then
declare
Output.Append (Atom_Maps.Element (Cursor).Query.Data.all);
Data : constant Displayed_Atom := Atom_Maps.Element (Cursor);
begin
Output.Append (Data.Image.Query.Data.all);
Length := Length + Data.Width;
end;
end if;
end Add_Suffix;
if Length > Template.Maximum_Width then
return Safe_Atom (Template.Overflow_Message, "");
end if;
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end Remove_Prefix;
procedure Remove_Prefix
(Object : in out Format;
Values : in Interval) is
begin
Set_Prefix (Object, Values, Atom_Refs.Null_Immutable_Reference);
Set_Prefix (Object, Values, Atom_Refs.Null_Immutable_Reference, 0);
end Remove_Prefix;
procedure Remove_Suffix
(Object : in out Format;
Value : in T) is
begin
Remove_Suffix (Object, (Value, Value));
end Remove_Suffix;
procedure Remove_Suffix
(Object : in out Format;
Values : in Interval) is
begin
Set_Suffix (Object, Values, Atom_Refs.Null_Immutable_Reference);
Set_Suffix (Object, Values, Atom_Refs.Null_Immutable_Reference, 0);
end Remove_Suffix;
procedure Set_Align (Object : in out Format; Value : in Alignment) is
begin
Object.Align := Value;
end Set_Align;
procedure Set_Image
(Object : in out Format;
Value : in T;
Image : in Atom_Refs.Immutable_Reference) is
begin
Include (Object.Images, (Value, Value), Image);
Include (Object.Images, (Value, Value), Image, 0);
end Set_Image;
procedure Set_Image
(Object : in out Format;
Value : in T;
Image : in Atom) is
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Set_Positive_Sign (Object, Create (Sign));
end Set_Positive_Sign;
procedure Set_Prefix
(Object : in out Format;
Value : in T;
Prefix : in Atom_Refs.Immutable_Reference) is
Prefix : in Atom_Refs.Immutable_Reference;
Width : in Generic_Integers.Width) is
begin
Set_Prefix (Object, (Value, Value), Prefix);
Set_Prefix (Object, (Value, Value), Prefix, Width);
end Set_Prefix;
procedure Set_Prefix
(Object : in out Format;
Value : in T;
Prefix : in Atom) is
begin
Set_Prefix (Object, Value, Prefix, Prefix'Length);
end Set_Prefix;
procedure Set_Prefix
(Object : in out Format;
Value : in T;
Prefix : in Atom;
Width : in Generic_Integers.Width) is
begin
Set_Prefix (Object, Value, Create (Prefix));
Set_Prefix (Object, Value, Create (Prefix), Width);
end Set_Prefix;
procedure Set_Prefix
(Object : in out Format;
Values : in Interval;
Prefix : in Atom_Refs.Immutable_Reference) is
Prefix : in Atom_Refs.Immutable_Reference;
Width : in Generic_Integers.Width) is
begin
Include (Object.Prefix, Values, Prefix);
Include (Object.Prefix, Values, Prefix, Width);
end Set_Prefix;
procedure Set_Prefix
(Object : in out Format;
Values : in Interval;
Prefix : in Atom) is
begin
Set_Prefix (Object, Values, Prefix, Prefix'Length);
end Set_Prefix;
procedure Set_Prefix
(Object : in out Format;
Values : in Interval;
Prefix : in Atom;
Width : in Generic_Integers.Width) is
begin
Set_Prefix (Object, Values, Create (Prefix));
Set_Prefix (Object, Values, Create (Prefix), Width);
end Set_Prefix;
procedure Set_Right_Padding
(Object : in out Format;
Symbol : in Atom_Refs.Immutable_Reference) is
begin
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Set_Right_Padding (Object, Create (Symbol));
end Set_Right_Padding;
procedure Set_Suffix
(Object : in out Format;
Value : in T;
Suffix : in Atom_Refs.Immutable_Reference) is
Suffix : in Atom_Refs.Immutable_Reference;
Width : in Generic_Integers.Width) is
begin
Set_Suffix (Object, (Value, Value), Suffix);
Set_Suffix (Object, (Value, Value), Suffix, Width);
end Set_Suffix;
procedure Set_Suffix
(Object : in out Format;
Value : in T;
Suffix : in Atom) is
begin
Set_Suffix (Object, Value, Suffix, Suffix'Length);
end Set_Suffix;
procedure Set_Suffix
(Object : in out Format;
Value : in T;
Suffix : in Atom;
Width : in Generic_Integers.Width) is
begin
Set_Suffix (Object, Value, Create (Suffix));
Set_Suffix (Object, Value, Create (Suffix), Width);
end Set_Suffix;
procedure Set_Suffix
(Object : in out Format;
Values : in Interval;
Suffix : in Atom_Refs.Immutable_Reference) is
Suffix : in Atom_Refs.Immutable_Reference;
Width : in Generic_Integers.Width) is
begin
Include (Object.Suffix, Values, Suffix);
Include (Object.Suffix, Values, Suffix, Width);
end Set_Suffix;
procedure Set_Suffix
(Object : in out Format;
Values : in Interval;
Suffix : in Atom) is
begin
Set_Suffix (Object, Values, Suffix, Suffix'Length);
end Set_Suffix;
procedure Set_Suffix
(Object : in out Format;
Values : in Interval;
Suffix : in Atom;
Width : in Generic_Integers.Width) is
begin
Set_Suffix (Object, Values, Create (Suffix));
Set_Suffix (Object, Values, Create (Suffix), Width);
end Set_Suffix;
procedure Set_Symbols
(Object : in out Format;
Symbols : in Atom_Arrays.Immutable_Reference) is
begin
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| ︙ | | |