Natools

Check-in [89b2db0d6d]
Login
☰Home Timeline Files Branches Tags Tickets Wiki Login
Overview
Comment:s_expressions-printers-pretty: add valid default values to Parameter objects

This ensures that default Parameters objects are valid, and therefore that pretty printers without explicit parameter initialization are valid (and canonical) too.

Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 89b2db0d6d65580c51038a92e591858ef6fc60e7
User & Date: nat on 2014-06-08 19:08:16
Other Links: manifest | tags
Context
2014-06-09
19:01
s_expressions-file_readers: reset parser state in Rewind check-in: a61c83ef7e user: nat tags: trunk
2014-06-08
19:08
s_expressions-printers-pretty: add valid default values to Parameter objects

This ensures that default Parameters objects are valid, and therefore that pretty printers without explicit parameter initialization are valid (and canonical) too. check-in: 89b2db0d6d user: nat tags: trunk

2014-06-07
17:11
s_expressions-file_rw_tests: new test suite for both S-expression file readers and writers check-in: 5787543b72 user: nat tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified src/natools-s_expressions-printers-pretty.ads from [04d3c06d6b] to [d9720a139b].

︙︙
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57


58
59
60
61
62
63
64
65
66

   type Quoted_Option is (When_Shorter, Single_Line, No_Quoted);
   type Token_Option is (Extended_Token, Standard_Token, No_Token);
   type Screen_Offset is new Natural;

   subtype Screen_Column is Screen_Offset range 1 .. Screen_Offset'Last;

   type Parameters is record
      Width         : Screen_Offset;
      Newline_At    : Entity_Separator;
      Space_At      : Entity_Separator;
      Tab_Stop      : Screen_Column;
      Indentation   : Screen_Offset;
      Indent        : Indent_Type;
      Quoted        : Quoted_Option;
      Token         : Token_Option;
      Hex_Casing    : Encodings.Hex_Casing;
      Quoted_Escape : Quoted_Escape_Type;
      Char_Encoding : Character_Encoding;
      Fallback      : Atom_Encoding;
      Newline       : Newline_Encoding;
   end record;



   Canonical : constant Parameters;

   type Printer is abstract limited new Printers.Printer with private;

   procedure Write_Raw
     (Output : in out Printer;
      Data : in Ada.Streams.Stream_Element_Array)
     is abstract;








|
|
|
|
|
|
|
|
|
|
|
|
|

>
>

|








37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68

   type Quoted_Option is (When_Shorter, Single_Line, No_Quoted);
   type Token_Option is (Extended_Token, Standard_Token, No_Token);
   type Screen_Offset is new Natural;

   subtype Screen_Column is Screen_Offset range 1 .. Screen_Offset'Last;

   type Parameters is record
      Width         : Screen_Offset        := 0;
      Newline_At    : Entity_Separator     := (others => (others => False));
      Space_At      : Entity_Separator     := (others => (others => False));
      Tab_Stop      : Screen_Column        := 8;                --  *
      Indentation   : Screen_Offset        := 0;
      Indent        : Indent_Type          := Spaces;           --  *
      Quoted        : Quoted_Option        := No_Quoted;
      Token         : Token_Option         := No_Token;
      Hex_Casing    : Encodings.Hex_Casing := Encodings.Upper;  --  *
      Quoted_Escape : Quoted_Escape_Type   := Hex_Escape;       --  *
      Char_Encoding : Character_Encoding   := ASCII;            --  *
      Fallback      : Atom_Encoding        := Verbatim;
      Newline       : Newline_Encoding     := LF;               --  *
   end record;
      --  Default values yield canonical encoding, though fields marked with
      --  an asterisk (*) can have any value and still be canonical.

   Canonical : constant Parameters := (others => <>);

   type Printer is abstract limited new Printers.Printer with private;

   procedure Write_Raw
     (Output : in out Printer;
      Data : in Ada.Streams.Stream_Element_Array)
     is abstract;
︙︙
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154

      Cursor       : Screen_Column := 1;
      Previous     : Entity;
      First        : Boolean := True;
      Indent_Level : Screen_Offset := 0;
      Need_Blank   : Boolean := False;
   end record;

   Canonical : constant Parameters :=
     (Width         => 0,
      Newline_At    => (others => (others => False)),
      Space_At      => (others => (others => False)),
      Tab_Stop      => 8,  --  unused
      Indentation   => 0,
      Indent        => Spaces,  --  unused
      Quoted        => No_Quoted,
      Token         => No_Token,
      Hex_Casing    => Encodings.Upper,  --  unused
      Quoted_Escape => Octal_Escape,  --  unused
      Char_Encoding => ASCII,  --  unused
      Fallback      => Verbatim,
      Newline       => LF);  --  unused

   type Stream_Printer (Stream : access Ada.Streams.Root_Stream_Type'Class) is
     new Printer with null record;

   overriding procedure Write_Raw
     (Output : in out Stream_Printer;
      Data : in Ada.Streams.Stream_Element_Array);

end Natools.S_Expressions.Printers.Pretty;








<
<
<
<
<
<
<
<
<
<
<
<
<
<
<









127
128
129
130
131
132
133















134
135
136
137
138
139
140
141

      Cursor       : Screen_Column := 1;
      Previous     : Entity;
      First        : Boolean := True;
      Indent_Level : Screen_Offset := 0;
      Need_Blank   : Boolean := False;
   end record;
















   type Stream_Printer (Stream : access Ada.Streams.Root_Stream_Type'Class) is
     new Printer with null record;

   overriding procedure Write_Raw
     (Output : in out Stream_Printer;
      Data : in Ada.Streams.Stream_Element_Array);

end Natools.S_Expressions.Printers.Pretty;

This page was generated in about 0.005s by Fossil 2.23 [47362306a7] 2023-11-01 18:56:47