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|
-- This source is licensed under the Sunset License v1.0
package body Rat_Tests.Lexers is
function Join_Check
return Test_Result
is
One : Slexy.Combinator_Result :=
Slebug.Create_Result (1, Packrat.Success);
Two : Slexy.Combinator_Result :=
Slebug.Create_Result (3, Packrat.Success);
Three : Slexy.Combinator_Result :=
Slebug.Create_Result (3, Packrat.Success);
Four : Slexy.Combinator_Result :=
Slebug.Create_Result (4, Packrat.Failure);
Five : Slexy.Combinator_Result :=
Slebug.Create_Result (4, Packrat.Failure);
Six : Slexy.Combinator_Result :=
Slebug.Create_Result (3, Packrat.Needs_More);
Seven : Slexy.Combinator_Result :=
Slebug.Create_Result (3, Packrat.Needs_More);
Eight : Slexy.Combinator_Result :=
Slebug.Create_Result (3, Packrat.Failure);
Nine : Slexy.Combinator_Result :=
Slebug.Create_Result (3, Packrat.Optional_More);
Ten : Slexy.Combinator_Result :=
Slebug.Create_Result (5, Packrat.Success);
Eleven : Slexy.Combinator_Result :=
Slebug.Create_Result (5, Packrat.Success);
begin
if Slebug.Join (One, Two) /= Three or Slebug.Join (One, Four) /= Five or
Slebug.Join (One, Six) /= Seven or Slebug.Join (Four, Six) /= Four or
Slebug.Join (Five, Two) /= Five or Slebug.Join (Six, Three) /= Eight or
Slebug.Join (Slebug.Empty_Fail, One) /= Slebug.Empty_Fail or
Slebug.Join (Nine, Ten) /= Eleven
then
return Fail;
end if;
return Pass;
end Join_Check;
function Equals_Check
return Test_Result
is
One : Slexy.Combinator_Result :=
Slebug.Create_Result (3, Packrat.Success);
Two : Slexy.Combinator_Result :=
Slebug.Create_Result (0, Packrat.Failure);
begin
if One = Two or Two /= Slebug.Empty_Fail then
return Fail;
end if;
return Pass;
end Equals_Check;
function Sequence_Check
return Test_Result
is
function Match_A is new Slexy.Match ('a');
function Match_B is new Slexy.Match ('b');
function Match_C is new Slexy.Match ('c');
function Seq_Abc is new Slexy.Sequence
((Match_A'Unrestricted_Access,
Match_B'Unrestricted_Access,
Match_C'Unrestricted_Access));
Test_Str : String := "aababcabcab";
Result1 : Slexy.Combinator_Result :=
Slebug.Create_Result (1, Packrat.Failure);
Result2 : Slexy.Combinator_Result :=
Slebug.Create_Result (11, Packrat.Needs_More);
Result3 : Slexy.Combinator_Result :=
Slebug.Create_Result (6, Packrat.Success);
Result4 : Slexy.Combinator_Result := Slebug.Empty_Fail;
Result5 : Slexy.Combinator_Result :=
Slebug.Create_Result (3, Packrat.Failure);
begin
if Seq_Abc (Test_Str, 1) /= Result1 or Seq_Abc (Test_Str, 2) /= Result5 or
Seq_Abc (Test_Str, 4) /= Result3 or Seq_Abc (Test_Str, 10) /= Result2 or
Seq_Abc (Test_Str, 3) /= Result4 or
Seq_Abc (Test_Str, Test_Str'Last + 5) /= Result4
then
return Fail;
end if;
return Pass;
end Sequence_Check;
function Count_Check
return Test_Result
is
function Match_A is new Slexy.Match ('a');
function Match_B is new Slexy.Match ('b');
function Count_2A is new Slexy.Count (Match_A, 2);
function Count_3B is new Slexy.Count (Match_B, 3);
Test_Str : String := "abaabbaaabbbaaaabbbb";
Result1 : Slexy.Combinator_Result :=
Slebug.Create_Result (1, Packrat.Failure);
Result2 : Slexy.Combinator_Result :=
Slebug.Create_Result (4, Packrat.Success);
Result3 : Slexy.Combinator_Result :=
Slebug.Create_Result (2, Packrat.Failure);
Result4 : Slexy.Combinator_Result :=
Slebug.Create_Result (20, Packrat.Needs_More);
Result5 : Slexy.Combinator_Result :=
Slebug.Create_Result (12, Packrat.Success);
Result6 : Slexy.Combinator_Result := Slebug.Empty_Fail;
begin
if Count_2A (Test_Str, 1) /= Result1 or Count_2A (Test_Str, 3) /= Result2 or
Count_3B (Test_Str, 2) /= Result3 or Count_3B (Test_Str, 19) /= Result4 or
Count_3B (Test_Str, 10) /= Result5 or Count_3B (Test_Str, 1) /= Result6 or
Count_2A (Test_Str, 2) /= Result6 or
Count_2A (Test_Str, Test_Str'Last + 5) /= Result6
then
return Fail;
end if;
return Pass;
end Count_Check;
function Many_Check
return Test_Result
is
function Match_A is new Slexy.Match ('a');
function Many_0 is new Slexy.Many (Match_A);
function Many_4 is new Slexy.Many (Match_A, 4);
function Match_B is new Slexy.Match ('b');
function Match_C is new Slexy.Match ('c');
function Seq_Abc is new Slexy.Sequence
((Match_A'Unrestricted_Access,
Match_B'Unrestricted_Access,
Match_C'Unrestricted_Access));
function Many_Seq_0 is new Slexy.Many (Seq_Abc);
function Many_Seq_4 is new Slexy.Many (Seq_Abc, 4);
Test_Str : String := "aaabbaaaaabaa";
Test_Str2 : String := "aababcabcab";
Result1 : Slexy.Combinator_Result :=
Slebug.Create_Result (3, Packrat.Success);
Result2 : Slexy.Combinator_Result :=
Slebug.Create_Result (13, Packrat.Optional_More);
Result3 : Slexy.Combinator_Result :=
Slebug.Create_Result (10, Packrat.Success);
Result4 : Slexy.Combinator_Result :=
Slebug.Create_Result (3, Packrat.Failure);
Result5 : Slexy.Combinator_Result := Slebug.Empty_Fail;
Result6 : Slexy.Combinator_Result :=
Slebug.Create_Result (13, Packrat.Needs_More);
Result7 : Slexy.Combinator_Result :=
Slebug.Create_Result (0, Packrat.Success);
Result8 : Slexy.Combinator_Result :=
Slebug.Create_Result (9, Packrat.Optional_More);
Result9 : Slexy.Combinator_Result :=
Slebug.Create_Result (9, Packrat.Needs_More);
begin
if Many_0 (Test_Str, 1) /= Result1 or Many_4 (Test_Str, 1) /= Result4 or
Many_4 (Test_Str, 6) /= Result3 or Many_0 (Test_Str, 4) /= Result7 or
Many_0 (Test_Str, 12) /= Result2 or Many_4 (Test_Str, 12) /= Result6 or
Many_0 (Test_Str, Test_Str'Last + 5) /= Result5 or
Many_Seq_0 (Test_Str2, 4) /= Result8 or Many_Seq_4 (Test_Str2, 4) /= Result9
then
return Fail;
end if;
return Pass;
end Many_Check;
function Many_Until_Check
return Test_Result
is
function Match_A is new Slexy.Match ('a');
function Many_Until_0 is new Slexy.Many_Until (Match_A, PU.Is_Digit);
function Many_Until_3 is new Slexy.Many_Until (Match_A, PU.Is_Digit, 3);
Test_Str : String := "aaaabbaaa123aaa";
Result1 : Slexy.Combinator_Result :=
Slebug.Create_Result (4, Packrat.Failure);
Result2 : Slexy.Combinator_Result :=
Slebug.Create_Result (9, Packrat.Success);
Result3 : Slexy.Combinator_Result :=
Slebug.Create_Result (15, Packrat.Needs_More);
Result4 : Slexy.Combinator_Result := Slebug.Empty_Fail;
begin
if Many_Until_0 (Test_Str, 1) /= Result1 or
Many_Until_0 (Test_Str, 7) /= Result2 or
Many_Until_3 (Test_Str, 7) /= Result2 or
Many_Until_3 (Test_Str, 13) /= Result3 or
Many_Until_0 (Test_Str, 5) /= Result4 or
Many_Until_0 (Test_Str, Test_Str'Last + 5) /= Result4 or
Many_Until_3 (Test_Str, Test_Str'Last + 5) /= Result4
then
return Fail;
end if;
return Pass;
end Many_Until_Check;
function Satisfy_Check
return Test_Result
is
function Is_123
(Char : in Character)
return Boolean is
begin
return Char = '1' or Char = '2' or Char = '3';
end Is_123;
function Is_Abc
(Char : in Character)
return Boolean is
begin
return Char = 'a' or Char = 'b' or Char = 'c';
end Is_Abc;
function Satisfy_123 is new Slexy.Satisfy (Is_123);
function Satisfy_Abc is new Slexy.Satisfy (Is_Abc);
Test_Str : String := "abc123456def";
Result1 : Slexy.Combinator_Result :=
Slebug.Create_Result (2, Packrat.Success);
Result2 : Slexy.Combinator_Result :=
Slebug.Create_Result (6, Packrat.Success);
Result3 : Slexy.Combinator_Result := Slebug.Empty_Fail;
begin
if Satisfy_123 (Test_Str, 6) /= Result2 or
Satisfy_Abc (Test_Str, 2) /= Result1 or
Satisfy_Abc (Test_Str, 8) /= Result3 or
Satisfy_123 (Test_Str, Test_Str'Last + 5) /= Result3
then
return Fail;
end if;
return Pass;
end Satisfy_Check;
function Satisfy_With_Check
return Test_Result
is
function Is_Abc
(Char : in Character)
return Boolean is
begin
return Char = 'a' or Char = 'b' or Char = 'c';
end Is_Abc;
function Is_123
(Char : in Character)
return Boolean is
begin
return Char = '1' or Char = '2' or Char = '3';
end Is_123;
function Minus_One
(Char : in Character)
return Character is
begin
return Character'Val (Character'Pos (Char) - 1);
end Minus_One;
function Satisfy_Bcd is new Slexy.Satisfy_With (Is_Abc, Minus_One);
function Satisfy_234 is new Slexy.Satisfy_With (Is_123, Minus_One);
Test_Str : String := "abcde12345";
Result1 : Slexy.Combinator_Result :=
Slebug.Create_Result (3, Packrat.Success);
Result2 : Slexy.Combinator_Result :=
Slebug.Create_Result (7, Packrat.Success);
Result3 : Slexy.Combinator_Result := Slebug.Empty_Fail;
begin
if Satisfy_Bcd (Test_Str, 3) /= Result1 or
Satisfy_234 (Test_Str, 7) /= Result2 or
Satisfy_Bcd (Test_Str, 1) /= Result3 or
Satisfy_234 (Test_Str, Test_Str'Last + 5) /= Result3
then
return Fail;
end if;
return Pass;
end Satisfy_With_Check;
function Match_Check
return Test_Result
is
function Match_A is new Slexy.Match ('a');
function Match_Slash is new Slexy.Match ('/');
function Match_4 is new Slexy.Match ('4');
Test_Str : String := "abc1234./5";
Result1 : Slexy.Combinator_Result :=
Slebug.Create_Result (1, Packrat.Success);
Result2 : Slexy.Combinator_Result :=
Slebug.Create_Result (9, Packrat.Success);
Result3 : Slexy.Combinator_Result :=
Slebug.Create_Result (7, Packrat.Success);
Result4 : Slexy.Combinator_Result := Slebug.Empty_Fail;
begin
if Match_A (Test_Str, 1) /= Result1 or
Match_Slash (Test_Str, 9) /= Result2 or
Match_4 (Test_Str, 7) /= Result3 or
Match_A (Test_Str, 3) /= Result4 or
Match_A (Test_Str, Test_Str'Last + 5) /= Result4
then
return Fail;
end if;
return Pass;
end Match_Check;
function Match_With_Check
return Test_Result
is
function Plus_One
(Char : in Character)
return Character is
begin
return Character'Val (Character'Pos (Char) + 1);
end Plus_One;
function Match_A is new Slexy.Match_With ('b', Plus_One);
function Match_6 is new Slexy.Match_With ('7', Plus_One);
Test_Str : String := "abc5678";
Result1 : Slexy.Combinator_Result :=
Slebug.Create_Result (1, Packrat.Success);
Result2 : Slexy.Combinator_Result :=
Slebug.Create_Result (5, Packrat.Success);
Result3 : Slexy.Combinator_Result := Slebug.Empty_Fail;
begin
if Match_A (Test_Str, 1) /= Result1 or
Match_6 (Test_Str, 5) /= Result2 or
Match_A (Test_Str, 2) /= Result3 or
Match_A (Test_Str, Test_Str'Last + 5) /= Result3
then
return Fail;
end if;
return Pass;
end Match_With_Check;
function Multimatch_Check
return Test_Result
is
function Match_String1 is new Slexy.Multimatch ("abc");
function Match_String2 is new Slexy.Multimatch ("hello");
Test_Str : String := "abcdefabhelloworldab";
Result1 : Slexy.Combinator_Result :=
Slebug.Create_Result (3, Packrat.Success);
Result2 : Slexy.Combinator_Result :=
Slebug.Create_Result (20, Packrat.Needs_More);
Result3 : Slexy.Combinator_Result :=
Slebug.Create_Result (13, Packrat.Success);
Result4 : Slexy.Combinator_Result :=
Slebug.Create_Result (8, Packrat.Failure);
Result5 : Slexy.Combinator_Result := Slebug.Empty_Fail;
begin
if Match_String1 (Test_Str, 1) /= Result1 or
Match_String1 (Test_Str, 7) /= Result4 or
Match_String2 (Test_Str, 9) /= Result3 or
Match_String2 (Test_Str, 3) /= Result5 or
Match_String1 (Test_Str, 19) /= Result2 or
Match_String1 (Test_Str, Test_Str'Last + 5) /= Result5
then
return Fail;
end if;
return Pass;
end Multimatch_Check;
function Take_Check
return Test_Result
is
function Take_1 is new Slexy.Take;
function Take_5 is new Slexy.Take (5);
Test_Str : String := "abcdefghi";
Result1 : Slexy.Combinator_Result :=
Slebug.Create_Result (2, Packrat.Success);
Result2 : Slexy.Combinator_Result :=
Slebug.Create_Result (9, Packrat.Needs_More);
Result3 : Slexy.Combinator_Result :=
Slebug.Create_Result (7, Packrat.Success);
Result4 : Slexy.Combinator_Result := Slebug.Empty_Fail;
begin
if Take_1 (Test_Str, 2) /= Result1 or Take_5 (Test_Str, 7) /= Result2 or
Take_5 (Test_Str, 3) /= Result3 or
Take_1 (Test_Str, Test_Str'Last + 5) /= Result4
then
return Fail;
end if;
return Pass;
end Take_Check;
function Take_While_Check
return Test_Result
is
function Take_Letters is new Slexy.Take_While (PU.Is_Letter);
function Take_Punch is new Slexy.Take_While (PU.Is_Punctuation);
function Take_Digits is new Slexy.Take_While (PU.Is_Digit);
Test_Str : String := "abcde,./;'fghi[]=-^563";
Result1 : Slexy.Combinator_Result :=
Slebug.Create_Result (5, Packrat.Success);
Result2 : Slexy.Combinator_Result :=
Slebug.Create_Result (14, Packrat.Success);
Result3 : Slexy.Combinator_Result :=
Slebug.Create_Result (10, Packrat.Success);
Result4 : Slexy.Combinator_Result :=
Slebug.Create_Result (19, Packrat.Success);
Result5 : Slexy.Combinator_Result := Slebug.Empty_Fail;
Result6 : Slexy.Combinator_Result :=
Slebug.Create_Result (22, Packrat.Optional_More);
begin
if Take_Letters (Test_Str, 2) /= Result1 or
Take_Letters (Test_Str, 13) /= Result2 or
Take_Punch (Test_Str, 6) /= Result3 or
Take_Punch (Test_Str, 17) /= Result4 or
Take_Letters (Test_Str, 7) /= Result5 or
Take_Punch (Test_Str, Test_Str'Last + 5) /= Result5 or
Take_Digits (Test_Str, 20) /= Result6
then
return Fail;
end if;
return Pass;
end Take_While_Check;
function Take_Until_Check
return Test_Result
is
function Take_Till_Punch is new Slexy.Take_Until (PU.Is_Punctuation);
function Take_Till_Digit is new Slexy.Take_Until (PU.Is_Digit);
Test_Str : String := "abcde12345;;;fghi67";
Result1 : Slexy.Combinator_Result :=
Slebug.Create_Result (10, Packrat.Success);
Result2 : Slexy.Combinator_Result :=
Slebug.Create_Result (19, Packrat.Optional_More);
Result3 : Slexy.Combinator_Result :=
Slebug.Create_Result (5, Packrat.Success);
Result4 : Slexy.Combinator_Result :=
Slebug.Create_Result (17, Packrat.Success);
Result5 : Slexy.Combinator_Result := Slebug.Empty_Fail;
begin
if Take_Till_Punch (Test_Str, 4) /= Result1 or
Take_Till_Punch (Test_Str, 16) /= Result2 or
Take_Till_Digit (Test_Str, 1) /= Result3 or
Take_Till_Digit (Test_Str, 12) /= Result4 or
Take_Till_Punch (Test_Str, 11) /= Result5 or
Take_Till_Punch (Test_Str, Test_Str'Last + 5) /= Result5
then
return Fail;
end if;
return Pass;
end Take_Until_Check;
function Stamp_Check
return Test_Result
is
use type Slexy_Traits.Tokens.Token_Type;
use type Packrat.Result_Status;
use type Slexy.Component_Result;
function Match_A is new Slexy.Match ('a');
function Match_B is new Slexy.Match ('b');
function Match_C is new Slexy.Match ('c');
function Seq_Abc is new Slexy.Sequence
((Match_A'Unrestricted_Access,
Match_B'Unrestricted_Access,
Match_C'Unrestricted_Access));
function My_Stamp is new Slexy.Stamp (One, Seq_Abc);
Test_Str1 : String := "abcdefghi";
Test_Str2 : String := "ab";
Context1 : Slexy.Lexer_Context := Slebug.Empty_Context;
Context2 : Slexy.Lexer_Context := Slebug.Empty_Context;
Comp_Code : Slexy.Component_Result;
begin
Comp_Code := My_Stamp (Test_Str1, Context1);
if (Slebug.So_Far (Context1).Length /= 1 or else
Slebug.So_Far (Context1).Element (1) /= Slexy_Traits.Tokens.Create (One, 1, "abc")) or
Slebug.Position (Context1) /= 4 or Slebug.Status (Context1) /= Packrat.Success or
Slebug.Has_Pass (Context1)
then
return Fail;
end if;
Comp_Code := My_Stamp (Test_Str1, Context1);
if (Slebug.So_Far (Context1).Length /= 1 or else
Slebug.So_Far (Context1).Element (1) /= Slexy_Traits.Tokens.Create (One, 1, "abc")) or
Slebug.Position (Context1) /= 4 or not Slebug.Is_Failure (Comp_Code) or
Slebug.Has_Pass (Context1)
then
return Fail;
end if;
Comp_Code := My_Stamp (Test_Str2, Context2);
if Slebug.So_Far (Context2).Length /= 0 or
Slebug.Position (Context2) /= 1 or
Slebug.Status (Context2) /= Packrat.Needs_More or
(not Slebug.Has_Pass (Context2) or else Slebug.Pass (Context2) /= "ab")
then
return Fail;
end if;
return Pass;
end Stamp_Check;
function Discard_Check
return Test_Result
is
use type Packrat.Result_Status;
function Match_Abc is new Slexy.Multimatch ("abc");
function My_Discard is new Slexy.Discard (Two, Match_Abc);
Test_Str1 : String := "abcdefghi";
Test_Str2 : String := "ab";
Context1 : Slexy.Lexer_Context := Slebug.Empty_Context;
Context2 : Slexy.Lexer_Context := Slebug.Empty_Context;
Comp_Code : Slexy.Component_Result;
begin
Comp_Code := My_Discard (Test_Str1, Context1);
if Slebug.So_Far (Context1).Length /= 0 or
Slebug.Position (Context1) /= 4 or Slebug.Status (Context1) /= Packrat.Success or
Slebug.Has_Pass (Context1)
then
return Fail;
end if;
Comp_Code := My_Discard (Test_Str1, Context1);
if Slebug.So_Far (Context1).Length /= 0 or
Slebug.Position (Context1) /= 4 or not Slebug.Is_Failure (Comp_Code) or
Slebug.Has_Pass (Context1)
then
return Fail;
end if;
Comp_Code := My_Discard (Test_Str2, Context2);
if Slebug.So_Far (Context2).Length /= 0 or
Slebug.Position (Context2) /= 1 or Slebug.Status (Context2) /= Packrat.Needs_More or
(not Slebug.Has_Pass (Context2) or else Slebug.Pass (Context2) /= "ab")
then
return Fail;
end if;
return Pass;
end Discard_Check;
function Scan_Parts_Check
return Test_Result
is
package My_Scanner is new Swordy.Scan_Parts
((Stamp_Word'Access, Ignore_Whitespace'Access));
Test_Str : String := "one fine day";
Intended_Result1 : Swordy_Traits.Tokens.Token_Array :=
(1 => Swordy_Traits.Tokens.Create (Word, 1, "one"),
2 => Swordy_Traits.Tokens.Create (Word, 5, "fine"));
Intended_Result2 : Swordy_Traits.Tokens.Token_Array :=
(1 => Swordy_Traits.Tokens.Create (Word, 10, "day"));
Actual_Result1 : Swordy_Traits.Tokens.Token_Array :=
My_Scanner.Scan (Test_Str);
Actual_Result2 : Swordy_Traits.Tokens.Token_Array :=
My_Scanner.Scan ("");
begin
if Actual_Result1 /= Intended_Result1 or Actual_Result2 /= Intended_Result2 then
return Fail;
end if;
return Pass;
end Scan_Parts_Check;
function Scan_Once_Check
return Test_Result
is
package My_Scanner is new Swordy.Scan_Once
((Stamp_Word'Access, Ignore_Whitespace'Access));
Test_Str : String := "one fine day";
Intended_Result : Swordy_Traits.Tokens.Token_Array :=
(1 => Swordy_Traits.Tokens.Create (Word, 1, "one"),
2 => Swordy_Traits.Tokens.Create (Word, 5, "fine"),
3 => Swordy_Traits.Tokens.Create (Word, 10, "day"));
Actual_Result : Swordy_Traits.Tokens.Token_Array :=
My_Scanner.Scan (Test_Str);
begin
if Actual_Result /= Intended_Result then
return Fail;
end if;
return Pass;
end Scan_Once_Check;
function Scan_With_Check
return Test_Result
is
Sentinel : Natural := 2;
function More_Input
return String is
begin
if Sentinel > 1 then
Sentinel := 1;
return "it will happen again";
elsif Sentinel > 0 then
Sentinel := 0;
return " and again and again";
else
return "";
end if;
end More_Input;
package My_Scanner is new Swordy.Scan_With
((Stamp_Word'Access, Ignore_Whitespace'Access));
Intended_Result : Swordy_Traits.Tokens.Token_Array :=
(1 => Swordy_Traits.Tokens.Create (Word, 1, "it"),
2 => Swordy_Traits.Tokens.Create (Word, 4, "will"),
3 => Swordy_Traits.Tokens.Create (Word, 9, "happen"),
4 => Swordy_Traits.Tokens.Create (Word, 17, "again"),
5 => Swordy_Traits.Tokens.Create (Word, 23, "and"),
6 => Swordy_Traits.Tokens.Create (Word, 27, "again"),
7 => Swordy_Traits.Tokens.Create (Word, 33, "and"),
8 => Swordy_Traits.Tokens.Create (Word, 37, "again"));
Actual_Result : Swordy_Traits.Tokens.Token_Array :=
My_Scanner.Scan (More_Input'Unrestricted_Access);
begin
if Actual_Result /= Intended_Result then
return Fail;
end if;
return Pass;
end Scan_With_Check;
function Scan_Set_Check
return Test_Result
is
package My_Scanner is new Swordy.Scan_Set
((Stamp_Word'Access, Ignore_Whitespace'Access),
Latin.EOT, Swordy_Traits.Tokens.Create (Blank, 1, ""));
Test_Str1 : String (1 .. 10) := "one tw";
Test_Str2 : String (1 .. 10) := "o three";
Test_Str3 : String (1 .. 10) := Latin.EOT & " ";
Intended_Result1 : Swordy_Traits.Tokens.Token_Array :=
(1 => Swordy_Traits.Tokens.Create (Word, 1, "one"),
2 => Swordy_Traits.Tokens.Create (Blank, 1, ""),
3 => Swordy_Traits.Tokens.Create (Blank, 1, ""));
Intended_Result2 : Swordy_Traits.Tokens.Token_Array :=
(1 => Swordy_Traits.Tokens.Create (Word, 9, "two"),
2 => Swordy_Traits.Tokens.Create (Blank, 1, ""),
3 => Swordy_Traits.Tokens.Create (Blank, 1, ""));
Intended_Result3 : Swordy_Traits.Tokens.Token_Array :=
(1 => Swordy_Traits.Tokens.Create (Word, 16, "three"),
2 => Swordy_Traits.Tokens.Create (Blank, 1, ""),
3 => Swordy_Traits.Tokens.Create (Blank, 1, ""));
Actual_Result : Swordy_Traits.Tokens.Token_Array (1 .. 3);
begin
My_Scanner.Scan (Test_Str1, Actual_Result);
if Actual_Result /= Intended_Result1 then
return Fail;
end if;
My_Scanner.Scan (Test_Str2, Actual_Result);
if Actual_Result /= Intended_Result2 then
return Fail;
end if;
My_Scanner.Scan (Test_Str3, Actual_Result);
if Actual_Result /= Intended_Result3 then
return Fail;
end if;
return Pass;
end Scan_Set_Check;
function Scan_Set_With_Check
return Test_Result
is
Sentinel : Natural := 2;
function More_Input
return String is
begin
if Sentinel > 1 then
Sentinel := 1;
return "it will happen again";
elsif Sentinel > 0 then
Sentinel := 0;
return " and again and again";
else
return "";
end if;
end More_Input;
package My_Scanner is new Swordy.Scan_Set_With
((Stamp_Word'Access, Ignore_Whitespace'Access),
Latin.EOT, Swordy_Traits.Tokens.Create (Blank, 1, ""));
Intended_Result1 : Swordy_Traits.Tokens.Token_Array :=
(1 => Swordy_Traits.Tokens.Create (Word, 1, "it"),
2 => Swordy_Traits.Tokens.Create (Word, 4, "will"),
3 => Swordy_Traits.Tokens.Create (Word, 9, "happen"),
4 => Swordy_Traits.Tokens.Create (Word, 16, "again"),
5 => Swordy_Traits.Tokens.Create (Word, 22, "and"));
Intended_Result2 : Swordy_Traits.Tokens.Token_Array :=
(1 => Swordy_Traits.Tokens.Create (Word, 26, "again"),
2 => Swordy_Traits.Tokens.Create (Word, 32, "and"),
3 => Swordy_Traits.Tokens.Create (Word, 36, "again"),
4 => Swordy_Traits.Tokens.Create (Blank, 1, ""),
5 => Swordy_Traits.Tokens.Create (Blank, 1, ""));
Actual_Result : Swordy_Traits.Tokens.Token_Array (1 .. 5);
begin
My_Scanner.Scan (More_Input'Unrestricted_Access, Actual_Result);
if Actual_Result /= Intended_Result1 then
return Fail;
end if;
My_Scanner.Scan (More_Input'Unrestricted_Access, Actual_Result);
if Actual_Result /= Intended_Result2 then
return Fail;
end if;
return Pass;
end Scan_Set_With_Check;
function Scan_Parts_Error_Check
return Test_Result
is
use type Packrat.Errors.Error_Info_Array;
package My_Scanner is new Swordy.Scan_Parts
((Stamp_Word'Access, Ignore_Whitespace'Access));
Test_Str : String := "()()";
Expected_Errors : Packrat.Errors.Error_Info_Array :=
((+"WORD", 1), (+"WHITESPACE", 1));
begin
declare
Result : Swordy_Traits.Tokens.Token_Array := My_Scanner.Scan (Test_Str);
begin
return Fail;
end;
exception
when Msg : Packrat.Lexer_Error =>
if Packrat.Errors.Decode (Except.Exception_Message (Msg)) /= Expected_Errors then
return Fail;
end if;
return Pass;
end Scan_Parts_Error_Check;
function Scan_Once_Error_Check
return Test_Result
is
use type Packrat.Errors.Error_Info_Array;
package My_Scanner is new Swordy.Scan_Once
((Stamp_Word'Access, Ignore_Whitespace'Access));
Test_Str : String := "()()";
Expected_Errors : Packrat.Errors.Error_Info_Array :=
((+"WORD", 1), (+"WHITESPACE", 1));
begin
declare
Result : Swordy_Traits.Tokens.Token_Array := My_Scanner.Scan (Test_Str);
begin
return Fail;
end;
exception
when Msg : Packrat.Lexer_Error =>
if Packrat.Errors.Decode (Except.Exception_Message (Msg)) /= Expected_Errors then
return Fail;
end if;
return Pass;
end Scan_Once_Error_Check;
function Scan_With_Error_Check
return Test_Result
is
use type Packrat.Errors.Error_Info_Array;
Sentinel : Integer := 1;
function Get_Input
return String is
begin
if Sentinel > 0 then
Sentinel := 0;
return "()()";
else
return "";
end if;
end Get_Input;
package My_Scanner is new Swordy.Scan_With
((Stamp_Word'Access, Ignore_Whitespace'Access));
Expected_Errors : Packrat.Errors.Error_Info_Array :=
((+"WORD", 1), (+"WHITESPACE", 1));
begin
declare
Result : Swordy_Traits.Tokens.Token_Array :=
My_Scanner.Scan (Get_Input'Unrestricted_Access);
begin
return Fail;
end;
exception
when Msg : Packrat.Lexer_Error =>
if Packrat.Errors.Decode (Except.Exception_Message (Msg)) /= Expected_Errors then
return Fail;
end if;
return Pass;
end Scan_With_Error_Check;
function Scan_Set_Error_Check
return Test_Result
is
use type Packrat.Errors.Error_Info_Array;
package My_Scanner is new Swordy.Scan_Set
((Stamp_Word'Access, Ignore_Whitespace'Access),
Latin.EOT, Swordy_Traits.Tokens.Create (Blank, 1, ""));
Test_Str : String := "()()";
Result : Swordy_Traits.Tokens.Token_Array (1 .. 5);
Expected_Errors : Packrat.Errors.Error_Info_Array :=
((+"WORD", 1), (+"WHITESPACE", 1));
begin
My_Scanner.Scan (Test_Str, Result);
return Fail;
exception
when Msg : Packrat.Lexer_Error =>
if Packrat.Errors.Decode (Except.Exception_Message (Msg)) /= Expected_Errors then
return Fail;
end if;
return Pass;
end Scan_Set_Error_Check;
function Scan_Set_With_Error_Check
return Test_Result
is
use type Packrat.Errors.Error_Info_Array;
Sentinel : Integer := 1;
function Get_Input
return String is
begin
if Sentinel > 0 then
Sentinel := 0;
return "()()";
else
return "";
end if;
end Get_Input;
package My_Scanner is new Swordy.Scan_Set_With
((Stamp_Word'Access, Ignore_Whitespace'Access),
Latin.EOT, Swordy_Traits.Tokens.Create (Blank, 1, ""));
Result : Swordy_Traits.Tokens.Token_Array (1 .. 5);
Expected_Errors : Packrat.Errors.Error_Info_Array :=
((+"WORD", 1), (+"WHITESPACE", 1));
begin
My_Scanner.Scan (Get_Input'Unrestricted_Access, Result);
return Fail;
exception
when Msg : Packrat.Lexer_Error =>
if Packrat.Errors.Decode (Except.Exception_Message (Msg)) /= Expected_Errors then
return Fail;
end if;
return Pass;
end Scan_Set_With_Error_Check;
end Rat_Tests.Lexers;
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