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
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
|
------------------------------------------------------------------------------
-- --
-- ASIS Tester And iNTerpreter (ASIStant) COMPONENTS --
-- --
-- A S I S T A N T . H E L P --
-- --
-- B o d y --
-- --
-- Copyright (C) 1997-2012, Free Software Foundation, Inc. --
-- --
-- ASIStant 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 2, or (at your option) any later --
-- version. ASIStant is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MER- --
-- CHANTABILITY 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 GNAT; see file COPYING. If --
-- not, write to the Free Software Foundation, 51 Franklin Street, Fifth --
-- Floor, Boston, MA 02110-1301, USA. --
-- --
-- ASIStant is an evolution of ASIStint tool that was created by Vasiliy --
-- Fofanov as part of a collaboration between Software Engineering --
-- Laboratory of the Swiss Federal Institute of Technology in Lausanne, --
-- Switzerland, and the Scientific Research Computer Center of the Moscow --
-- University, Russia, supported by the Swiss National Science Foundation --
-- grant #7SUPJ048247, "Development of ASIS for GNAT with industry quality" --
-- --
-- ASIStant is distributed as a part of the ASIS implementation for GNAT --
-- (ASIS-for-GNAT) and is maintained by AdaCore (http://www.adacore.com). --
-- --
------------------------------------------------------------------------------
with Asis; use Asis;
with Asis.Implementation;
with ASIStant.Ambiguous_Mapping; use ASIStant.Ambiguous_Mapping;
with ASIStant.Call; use ASIStant.Call;
with ASIStant.Common; use ASIStant.Common;
with ASIStant.FuncEnum; use ASIStant.FuncEnum;
with ASIStant.Help.Queries;
with ASIStant.String_Handling; use ASIStant.String_Handling;
with ASIStant.Text_IO; use ASIStant.Text_IO;
package body ASIStant.Help is
-----------------------
-- Local subprograms --
-----------------------
procedure Display_Query_Help (SW : Switch_Index);
-- Displays help for a given ASIStant or ASIS query
procedure Display_Syntax (SW : Switch_Index; SYNT : Func_Syntax);
-- Displays the text representation of a given syntax structure
-----------------------
-- Display_Kind_Help --
-----------------------
procedure Display_Kind_Help (K : Flat_Element_Kinds) is
use ASIStant.Help.Queries;
Q : constant Query_List := Appropriate_Queries (K);
begin
ATIPut_Line (
"Appropriate ASIS structural queries for " &
To_Proper (Flat_Element_Kinds'Wide_Image (K)) & ":");
if Q (1) = Invalid_Index then
ATIPut_Line (" None.");
else
for I in Q'Range loop
exit when Q (I) = Invalid_Index;
ATIPut_Line (" " & To_Proper (Switch_Index'Wide_Image (Q (I))));
end loop;
end if;
end Display_Kind_Help;
------------------------
-- Display_Query_Help --
------------------------
procedure Display_Query_Help (SW : Switch_Index) is
T : Func_Syntax;
Amb : Amb_Index;
begin
ATIPut_Line (To_Proper (Switch_Index'Wide_Image (SW)) & " syntax:");
for I in Switch_Info'Range loop
if SW in Switch_Info (I).From .. Switch_Info (I).To then
T := Switch_Info (I).Synt;
exit;
end if;
end loop;
Amb := To_Amb_Index (SW);
-- This will return Not_Ambiguous if SW is not an overloaded query
if Amb = Not_Ambiguous then
Display_Syntax (SW, T);
else
for i in 1 .. AI_LENGTH loop
exit when Amb_Info (Amb, i).New_Index = Invalid_Index;
Display_Syntax (SW, Amb_Info (Amb, i).Synt);
end loop;
end if;
end Display_Query_Help;
--------------------
-- Display_Syntax --
--------------------
procedure Display_Syntax (SW : Switch_Index; SYNT : Func_Syntax) is
begin
ATIPut (" ");
ATIPut (To_Proper (Switch_Index'Wide_Image (SW)));
if SYNT (1) /= Par_Absent then
ATIPut (" (");
end if;
for i in Parameter_Range loop
exit when SYNT (i) = Par_Absent;
if i /= 1 then
ATIPut (", ");
end if;
ATIPut (Skip_Prefix (Func_Param'Wide_Image (SYNT (i))));
end loop;
if SYNT (1) /= Par_Absent then
ATIPut (")");
end if;
if SYNT (0) /= Par_Absent then
ATIPut (" return ");
ATIPut (Skip_Prefix (Func_Param'Wide_Image (SYNT (0))));
end if;
ATINew_Line;
end Display_Syntax;
--------------
-- ASISHelp --
--------------
procedure ASISHelp is
begin
Print_ASIStant_Header;
ATINew_Line;
ATIPut_Line ("ASIS and ASIStant Technical and Copyright Information :");
ATINew_Line;
ATIPut (" Asis Version : ");
ATIPut_Line (Asis.Implementation.ASIS_Version);
ATIPut (" Asis Implementor Version : ");
ATIPut_Line (Asis.Implementation.ASIS_Implementor_Version);
ATIPut (" Asis Implementor : ");
ATIPut_Line (Asis.Implementation.ASIS_Implementor);
ATIPut (" Asis Implementor Info : ");
ATIPut_Line (Asis.Implementation.ASIS_Implementor_Information);
ATINew_Line;
ATIPut_Line (" ASIStant author Info : "
& "Vasiliy Fofanov, ASIS-for-GNAT team at AdaCore");
ATIPut_Line (
" Email : fofanov@adacore.com");
ATIPut_Line (" ASIStant status :");
if Log then
ATIPut_Line (" Log enabled. Output Level : "
& Integer'Wide_Image (OutputLevel));
else
ATIPut_Line (" Log disabled.");
end if;
if Script > 0 then
ATIPut_Line (" Script enabled (level " &
Integer'Wide_Image (Script) & ") and is in " &
Script_Mode'Wide_Image (ScriptMode) & " mode.");
else
ATIPut_Line (" Script disabled.");
end if;
end ASISHelp;
----------
-- Help --
----------
procedure Help (NP : Node_Position) is
N : Node := CurStat.Tree (NP);
begin
if N.NValue = 0 then -- general help
Print_ASIStant_Header;
ATINew_Line;
ATIPut_Line ("List of ASIStant utilities :");
ATINew_Line;
ATIPut_Line (" HELP (<topic-name>) "
& " Displays help for a specific <topic-name>");
ATIPut_Line (" IF (<bool-expr>,<expr1>[,<expr2>]) Executes <expr1> "
& "if <bool-expr> is true,");
ATIPut_Line (" otherwise, "
& "executes <expr2> if present");
ATIPut_Line (" INFO Displays ASIS and ASIStant "
& "technical info");
ATIPut_Line (" LOG [(""<filename>"")] Opens file as a current "
& "log/closes current log");
ATIPut_Line (" LOGLEVEL (<level>) Sets a logging level to "
& "integer <level>, 0..5");
ATIPut_Line (" PAUSE Pauses current script");
ATIPut_Line (" PRINT (<variable>) Prints a value "
& "of a variable");
ATIPut_Line (" PRINTDETAIL (""{D|d}{T|t}"") Changes PRINT settings");
ATIPut_Line (" QUIT [(<exit-status>)] Exits program returning "
& "<exit-status> or 0");
ATIPut_Line (" RUN [(""<filename>"")] Launches script "
& "<filename>/resumes paused script");
ATIPut_Line (" (IRUN = interactively)");
ATIPut_Line (" SET ( <ID>, <expr> ) Declares or changes "
& "variable <ID>");
ATINew_Line;
ATIPut_Line ("Please refer to ASIStant User's Guide for more "
& "information.");
else -- specific help
N := CurStat.Tree (N.NValue); -- receive parameter list
N := CurStat.Tree (N.NValue); -- receive first element
-- Determine type of requested help
-- Is query help requested?
declare
sw : Switch_Index;
begin
sw := Switch_Index'Wide_Value (N.SValue.all);
Display_Query_Help (sw);
return;
exception
when others =>
null; -- trap exception if query unknown
end;
-- Is Flat_Element_Kind help requested?
declare
K : Flat_Element_Kinds;
begin
K := Flat_Element_Kinds'Wide_Value (N.SValue.all);
Display_Kind_Help (K);
return;
exception
when others =>
null; -- trap exception if Flat_Element_Kind unknown
end;
-- If we are here, the topic wasn't recognized
Error (ERR_UNKNOWNQUERY, N.SValue.all);
end if;
end Help;
end ASIStant.Help;
|
