xref: /netbsd-src/external/gpl3/gdb/dist/gdb/split-name.c (revision f8cf1a9151c7af1cb0bd8b09c13c66bca599c027)
1 /* Split a symbol name.
2 
3    Copyright (C) 2022-2024 Free Software Foundation, Inc.
4 
5    This file is part of GDB.
6 
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 3 of the License, or
10    (at your option) any later version.
11 
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16 
17    You should have received a copy of the GNU General Public License
18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
19 
20 #include "split-name.h"
21 #include "cp-support.h"
22 
23 /* See split-name.h.  */
24 
25 std::vector<std::string_view>
26 split_name (const char *name, split_style style)
27 {
28   std::vector<std::string_view> result;
29   unsigned int previous_len = 0;
30 
31   switch (style)
32     {
33     case split_style::CXX:
34       for (unsigned int current_len = cp_find_first_component (name);
35 	   name[current_len] != '\0';
36 	   current_len += cp_find_first_component (name + current_len))
37 	{
38 	  gdb_assert (name[current_len] == ':');
39 	  result.emplace_back (&name[previous_len],
40 			       current_len - previous_len);
41 	  /* Skip the '::'.  */
42 	  current_len += 2;
43 	  previous_len = current_len;
44 	}
45       break;
46 
47     case split_style::DOT_STYLE:
48       /* D and Go-style names.  */
49       for (const char *iter = strchr (name, '.');
50 	   iter != nullptr;
51 	   iter = strchr (iter, '.'))
52 	{
53 	  result.emplace_back (&name[previous_len],
54 			       iter - &name[previous_len]);
55 	  ++iter;
56 	  previous_len = iter - name;
57 	}
58       break;
59 
60     default:
61       break;
62     }
63 
64   result.emplace_back (&name[previous_len]);
65   return result;
66 }
67 
68