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 | ------------------------------------------------------------------------------
-- Language Server Protocol --
-- --
-- Copyright (C) 2022, AdaCore --
-- --
-- This is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. This software is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY 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 software; see file --
-- COPYING3. If not, go to http://www.gnu.org/licenses for a complete copy --
-- of the license. --
------------------------------------------------------------------------------
with Ada.Strings.UTF_Encoding;
with Langkit_Support.Slocs; use Langkit_Support.Slocs;
with Libadalang.Analysis; use Libadalang.Analysis;
with Libadalang.Common; use Libadalang.Common;
with Laltools.Refactor; use Laltools.Refactor;
with Laltools.Refactor.Extract_Subprogram;
use Laltools.Refactor.Extract_Subprogram;
with LSP.Common;
with LSP.Messages.Client_Requests;
with LSP.Lal_Utils;
with VSS.Strings.Conversions;
package body LSP.Ada_Handlers.Refactor_Extract_Subprogram is
------------------------
-- Append_Code_Action --
------------------------
procedure Append_Code_Action
(Self : in out Command;
Context : Context_Access;
Commands_Vector : in out LSP.Messages.CodeAction_Vector;
Where : LSP.Messages.Location;
Subprogram_Kind : Libadalang.Common.Ada_Subp_Kind)
is
Pointer : LSP.Commands.Command_Pointer;
Code_Action : LSP.Messages.CodeAction;
Code_Action_Title : constant String :=
(if Subprogram_Kind in Ada_Subp_Kind_Procedure_Range then
"Extract Procedure"
else
"Extract Function");
begin
Self.Initialize
(Context => Context.all,
Where => Where,
Subprogram_Kind => Subprogram_Kind);
Pointer.Set (Self);
Code_Action :=
(title =>
VSS.Strings.Conversions.To_Virtual_String (Code_Action_Title),
kind =>
(Is_Set => True,
Value => LSP.Messages.RefactorExtract),
diagnostics => (Is_Set => False),
edit => (Is_Set => False),
isPreferred => (Is_Set => False),
disabled => (Is_Set => False),
command =>
(Is_Set => True,
Value =>
(Is_Unknown => False,
title => "",
Custom => Pointer)));
Commands_Vector.Append (Code_Action);
end Append_Code_Action;
------------
-- Create --
------------
overriding function Create
(JS : not null access LSP.JSON_Streams.JSON_Stream'Class)
return Command is
begin
return V : Command do
pragma Assert (JS.R.Is_Start_Object);
JS.R.Read_Next;
while not JS.R.Is_End_Object loop
pragma Assert (JS.R.Is_Key_Name);
declare
Key : constant Ada.Strings.UTF_Encoding.UTF_8_String :=
VSS.Strings.Conversions.To_UTF_8_String (JS.R.Key_Name);
begin
JS.R.Read_Next;
if Key = "context_id" then
LSP.Types.Read_String (JS, V.Context_Id);
elsif Key = "section_to_extract_sloc" then
LSP.Messages.Location'Read
(JS, V.Section_To_Extract_SLOC);
elsif Key = "subprogram_kind" then
declare
Subprogram_Kind : VSS.Strings.Virtual_String;
use VSS.Strings.Conversions;
begin
LSP.Types.Read_String (JS, Subprogram_Kind);
V.Subprogram_Kind :=
Libadalang.Common.Ada_Subp_Kind'Value
(To_UTF_8_String (Subprogram_Kind));
end;
else
JS.Skip_Value;
end if;
end;
end loop;
JS.R.Read_Next;
end return;
end Create;
-------------
-- Execute --
-------------
overriding procedure Execute
(Self : Command;
Handler : not null access LSP.Server_Notification_Receivers.
Server_Notification_Receiver'Class;
Client : not null access LSP.Client_Message_Receivers.
Client_Message_Receiver'Class;
Error : in out LSP.Errors.Optional_ResponseError)
is
use LSP.Messages;
use LSP.Types;
use VSS.Strings.Conversions;
Message_Handler : LSP.Ada_Handlers.Message_Handler renames
LSP.Ada_Handlers.Message_Handler (Handler.all);
Context : LSP.Ada_Contexts.Context renames
Message_Handler.Contexts.Get (Self.Context_Id).all;
Apply : Client_Requests.Workspace_Apply_Edit_Request;
Workspace_Edits : WorkspaceEdit renames Apply.params.edit;
Label : Optional_Virtual_String renames Apply.params.label;
function Analysis_Units return Analysis_Unit_Array is
(Context.Analysis_Units);
-- Provides the Context Analysis_Unit_Array to the Mode_Changer
Unit : constant Analysis_Unit :=
Context.LAL_Context.Get_From_File
(Context.URI_To_File (Self.Section_To_Extract_SLOC.uri));
Section_To_Extract : constant Source_Location_Range :=
(Langkit_Support.Slocs.Line_Number
(Self.Section_To_Extract_SLOC.span.first.line) + 1,
Langkit_Support.Slocs.Line_Number
(Self.Section_To_Extract_SLOC.span.last.line) + 1,
Column_Number (Self.Section_To_Extract_SLOC.span.first.character) + 1,
Column_Number (Self.Section_To_Extract_SLOC.span.last.character) + 1);
Extractor : constant Subprogram_Extractor :=
Create_Subprogram_Extractor
(Unit => Unit,
Section_To_Extract => Section_To_Extract,
Subprogram_Kind => Self.Subprogram_Kind,
Subprogram_Name =>
Default_Extracted_Subprogram_Name
(Unit => Unit,
Location =>
(Section_To_Extract.Start_Line,
Section_To_Extract.Start_Column)));
Edits : constant Refactoring_Edits :=
Extractor.Refactor (Analysis_Units'Access);
begin
if Edits = No_Refactoring_Edits then
Error :=
(Is_Set => True,
Value =>
(code => LSP.Errors.UnknownErrorCode,
message => VSS.Strings.Conversions.To_Virtual_String
("Failed to execute the Extract Subprogram refactoring."),
data => <>));
else
Workspace_Edits :=
LSP.Lal_Utils.To_Workspace_Edit
(Edits => Edits,
Resource_Operations => Message_Handler.Resource_Operations,
Versioned_Documents => Message_Handler.Versioned_Documents,
Document_Provider => Message_Handler'Access);
Label :=
(Is_Set => True,
Value => To_Virtual_String (Command'External_Tag));
Client.On_Workspace_Apply_Edit_Request (Apply);
end if;
exception
when E : others =>
LSP.Common.Log (Message_Handler.Trace, E);
Error :=
(Is_Set => True,
Value =>
(code => LSP.Errors.UnknownErrorCode,
message => VSS.Strings.Conversions.To_Virtual_String
("Failed to execute the Extract Subprogram refactoring."),
data => <>));
end Execute;
----------------
-- Initialize --
----------------
procedure Initialize
(Self : in out Command'Class;
Context : LSP.Ada_Contexts.Context;
Where : LSP.Messages.Location;
Subprogram_Kind : Libadalang.Common.Ada_Subp_Kind) is
begin
Self.Context_Id := Context.Id;
Self.Section_To_Extract_SLOC := Where;
Self.Subprogram_Kind := Subprogram_Kind;
end Initialize;
-------------------
-- Write_Command --
-------------------
procedure Write_Command
(S : access Ada.Streams.Root_Stream_Type'Class;
C : Command)
is
JS : LSP.JSON_Streams.JSON_Stream'Class renames
LSP.JSON_Streams.JSON_Stream'Class (S.all);
begin
JS.Start_Object;
JS.Key ("context_id");
LSP.Types.Write_String (S, C.Context_Id);
JS.Key ("section_to_extract_sloc");
LSP.Messages.Location'Write (S, C.Section_To_Extract_SLOC);
JS.Key ("subprogram_kind");
LSP.Types.Write_String
(S,
VSS.Strings.Conversions.To_Virtual_String (C.Subprogram_Kind'Image));
JS.End_Object;
end Write_Command;
end LSP.Ada_Handlers.Refactor_Extract_Subprogram;
|