1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180 | -- Abstract :
--
-- See spec.
--
-- Copyright (C) 2018, 2020 - 2022 Stephen Leake. All Rights Reserved.
--
-- This program is free software; you can redistribute it and/or
-- modify it under terms of the GNU General Public License as
-- published by the Free Software Foundation; either version 3, or (at
-- your option) any later version. This program is distributed in the
-- hope that it will be useful, but WITHOUT ANY WARRANTY; without even
-- the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-- PURPOSE. See the GNU General Public License for more details. You
-- should have received a copy of the GNU General Public License
-- distributed with this program; see file COPYING. If not, write to
-- the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
-- MA 02111-1307, USA.
pragma License (GPL);
with AUnit.Assertions;
with AUnit.Checks;
with Ada.Exceptions;
with Ada.Text_IO;
with GNAT.Traceback.Symbolic;
with Warth_Left_Recurse_Expr_1_Actions;
with Warth_Left_Recurse_Expr_1_Packrat_Gen_Main;
with Warth_Left_Recurse_Expr_1_Packrat_Proc_Main;
with Warth_Left_Recurse_Expr_1_Runtime;
with WisiToken.AUnit;
with WisiToken.Parse.Packrat;
with WisiToken.Text_IO_Trace;
package body Warth_Left_Recurse_Expr_1 is
User_Data : aliased Warth_Left_Recurse_Expr_1_Runtime.User_Data_Type;
Trace : aliased WisiToken.Text_IO_Trace.Trace;
Log_File : Ada.Text_IO.File_Type;
----------
-- Test procedures
procedure Test_Parse_Gen (T : in out AUnit.Test_Cases.Test_Case'Class)
is
pragma Unreferenced (T);
use WisiToken.Parse.Packrat;
Parser : aliased WisiToken.Parse.Base_Parser'Class := Warth_Left_Recurse_Expr_1_Packrat_Gen_Main.Create_Parser
(Trace'Access, User_Data'Access);
procedure Execute_Parse
(Input : in String;
Expected_State : in WisiToken.Parse.Packrat.Result_States;
Expected_Result : in Integer)
is
use AUnit.Checks;
begin
Parser.Tree.Lexer.Reset_With_String (Input);
if WisiToken.Trace_Parse > WisiToken.Outline then
Ada.Text_IO.Put_Line ("input: '" & Input & "'");
end if;
Parser.Parse (Log_File);
AUnit.Assertions.Assert (Expected_State = Success, "'" & Input & "': expected fail; did not get Syntax_Error");
Parser.Execute_Actions
(Action_Region_Bytes => (WisiToken.Buffer_Pos (Input'First), WisiToken.Buffer_Pos (Input'Last)));
Check ("result", User_Data.Stack.Pop, Expected_Result);
exception
when WisiToken.Syntax_Error =>
AUnit.Assertions.Assert (Expected_State = Failure, "'" & Input & "': expected success; got Syntax_Error");
when AUnit.Assertions.Assertion_Error =>
raise;
when E : others =>
Ada.Text_IO.Put_Line
("'" & Input & "': exception " & Ada.Exceptions.Exception_Name (E) & " : " &
Ada.Exceptions.Exception_Message (E));
Ada.Text_IO.Put (GNAT.Traceback.Symbolic.Symbolic_Traceback (E));
AUnit.Assertions.Assert (False, "'" & Input & "': " & Ada.Exceptions.Exception_Name (E));
end Execute_Parse;
begin
Execute_Parse ("1 - 3", Success, -2);
Execute_Parse ("1", Success, 1);
Execute_Parse ("3 - 2 - 1", Success, 0);
Execute_Parse ("3 -", Failure, 0);
end Test_Parse_Gen;
procedure Test_Parse_Proc (T : in out AUnit.Test_Cases.Test_Case'Class)
is
pragma Unreferenced (T);
use Warth_Left_Recurse_Expr_1_Actions;
use WisiToken.AUnit;
use WisiToken.Parse.Packrat;
Parser : aliased WisiToken.Parse.Packrat.Parser'Class :=
Warth_Left_Recurse_Expr_1_Packrat_Proc_Main.Create_Parser
(Trace'Access, User_Data'Access);
procedure Execute_Parse
(Input : in String;
Expected_State : in WisiToken.Parse.Packrat.Result_States;
Expected_Result : in Integer)
is
use AUnit.Checks;
begin
Parser.Tree.Lexer.Reset_With_String (Input);
if WisiToken.Trace_Parse > WisiToken.Detail then
Ada.Text_IO.Put_Line ("input: '" & Input & "'");
end if;
Parser.Parse (Log_File);
AUnit.Assertions.Assert
(Expected_State = Success, "'" & Input & "': expected fail; did not get Syntax_Error");
if WisiToken.Trace_Tests > WisiToken.Detail then
Ada.Text_IO.New_Line;
Ada.Text_IO.Put_Line ("parse tree:");
Parser.Tree.Print_Tree (Parser.Tree.Root);
Ada.Text_IO.New_Line;
Ada.Text_IO.Put_Line ("root node: " & Parser.Tree.Image (Parser.Tree.Root));
end if;
Parser.Execute_Actions
(Action_Region_Bytes => (WisiToken.Buffer_Pos (Input'First), WisiToken.Buffer_Pos (Input'Last)));
Check ("result", User_Data.Stack.Pop, Expected_Result);
exception
when WisiToken.Syntax_Error =>
AUnit.Assertions.Assert (Expected_State = Failure, "'" & Input & "': expected success; got Syntax_Error");
when AUnit.Assertions.Assertion_Error =>
raise;
when E : others =>
Ada.Text_IO.Put_Line
("'" & Input & "': exception " & Ada.Exceptions.Exception_Name (E) & " : " &
Ada.Exceptions.Exception_Message (E));
Ada.Text_IO.Put (GNAT.Traceback.Symbolic.Symbolic_Traceback (E));
AUnit.Assertions.Assert (False, "'" & Input & "': " & Ada.Exceptions.Exception_Name (E));
end Execute_Parse;
begin
declare
Expected : WisiToken.Token_ID_Set (+wisitoken_accept_ID .. +expr_ID) := (others => False);
begin
Expected (+expr_ID) := True;
Check ("direct_left_recursive", Parser.Direct_Left_Recursive, Expected);
end;
Execute_Parse ("1 - 3", Success, -2);
Execute_Parse ("1", Success, 1);
Execute_Parse ("3 - 2 - 1", Success, 0);
Execute_Parse ("3 -", Failure, 0);
end Test_Parse_Proc;
----------
-- Public subprograms
overriding function Name (T : Test_Case) return AUnit.Message_String
is
pragma Unreferenced (T);
begin
return new String'("warth_left_recurse_expr_1.adb");
end Name;
overriding procedure Register_Tests (T : in out Test_Case)
is
use AUnit.Test_Cases.Registration;
begin
Register_Routine (T, Test_Parse_Gen'Access, "Test_Parse_Gen");
Register_Routine (T, Test_Parse_Proc'Access, "Test_Parse_Proc");
end Register_Tests;
end Warth_Left_Recurse_Expr_1;
|