1 /* Helper routines for C++ support in GDB.
2 Copyright 2002 Free Software Foundation, Inc.
4 Contributed by MontaVista Software.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
24 #include "cp-support.h"
25 #include "gdb_string.h"
28 /* Find the last component of the demangled C++ name NAME. NAME
29 must be a method name including arguments, in order to correctly
30 locate the last component.
32 This function return a pointer to the first colon before the
33 last component, or NULL if the name had only one component. */
36 find_last_component (const char *name)
41 /* Functions can have local classes, so we need to find the
42 beginning of the last argument list, not the end of the first
44 p = name + strlen (name) - 1;
45 while (p > name && *p != ')')
51 /* P now points at the `)' at the end of the argument list. Walk
52 back to the beginning. */
55 while (p > name && depth > 0)
57 if (*p == '<' || *p == '(')
59 else if (*p == '>' || *p == ')')
67 while (p > name && *p != ':')
70 if (p == name || p == name + 1 || p[-1] != ':')
76 /* Return the name of the class containing method PHYSNAME. */
79 class_name_from_physname (const char *physname)
84 char *demangled_name = cplus_demangle (physname, DMGL_ANSI);
86 if (demangled_name == NULL)
89 end = find_last_component (demangled_name);
92 ret = xmalloc (end - demangled_name + 1);
93 memcpy (ret, demangled_name, end - demangled_name);
94 ret[end - demangled_name] = '\0';
97 xfree (demangled_name);
101 /* Return the name of the method whose linkage name is PHYSNAME. */
104 method_name_from_physname (const char *physname)
109 char *demangled_name = cplus_demangle (physname, DMGL_ANSI);
111 if (demangled_name == NULL)
114 end = find_last_component (demangled_name);
123 /* Find the argument list, if any. */
124 args = strchr (end, '(');
126 len = strlen (end + 2);
132 len = args - end + 1;
134 ret = xmalloc (len + 1);
135 memcpy (ret, end, len);
139 xfree (demangled_name);