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authorDaniel Jacobowitz <dan@debian.org>2002-09-14 02:09:39 +0000
committerDaniel Jacobowitz <dan@debian.org>2002-09-14 02:09:39 +0000
commit313a66ac21fe902f2a91d71eb88d4846e87545ae (patch)
tree33fe32502e7bbd5699117b39075cbf0dbd61504c /gdb/cp-support.c
parentf0c14d4675a917fd8d6150791394e1075b116cae (diff)
downloadgdb-313a66ac21fe902f2a91d71eb88d4846e87545ae.tar.gz
* gdbtypes.c (check_stub_method): Make static.
(check_stub_method_group): New function. * gdbtypes.h: Update prototypes. * cp-support.c: New file. * cp-support.h: New file. * stabsread.c: Include "cp-abi.h" and "cp-support.h". (update_method_name_from_physname): New function. (read_member_functions): Correct method names for operators and v3 constructors/destructors. Separate v2 constructors and destructors. * Makefile.in (stabsread.o): Update dependencies. (SFILES): Add cp-support.c. (COMMON_OBS): Add cp-support.o. (cp_support_h, cp-support.o): Add. * cp-valprint.c (cp_print_class_method): Call check_stub_method_group instead of check_stub_method. Remove extraneous QUITs. * p-valprint.c (pascal_object_print_class_method): Likewise. * valops.c (search_struct_method): Likewise. (find_method_list, value_struct_elt_for_reference): Likewise.
Diffstat (limited to 'gdb/cp-support.c')
-rw-r--r--gdb/cp-support.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/gdb/cp-support.c b/gdb/cp-support.c
new file mode 100644
index 00000000000..46363a8b3bf
--- /dev/null
+++ b/gdb/cp-support.c
@@ -0,0 +1,141 @@
+/* Helper routines for C++ support in GDB.
+ Copyright 2002 Free Software Foundation, Inc.
+
+ Contributed by MontaVista Software.
+
+ This file is part of GDB.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, 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
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "defs.h"
+#include "cp-support.h"
+#include "gdb_string.h"
+#include "demangle.h"
+
+/* Find the last component of the demangled C++ name NAME. NAME
+ must be a method name including arguments, in order to correctly
+ locate the last component.
+
+ This function return a pointer to the first colon before the
+ last component, or NULL if the name had only one component. */
+
+static const char *
+find_last_component (const char *name)
+{
+ const char *p;
+ int depth;
+
+ /* Functions can have local classes, so we need to find the
+ beginning of the last argument list, not the end of the first
+ one. */
+ p = name + strlen (name) - 1;
+ while (p > name && *p != ')')
+ p--;
+
+ if (p == name)
+ return NULL;
+
+ /* P now points at the `)' at the end of the argument list. Walk
+ back to the beginning. */
+ p--;
+ depth = 1;
+ while (p > name && depth > 0)
+ {
+ if (*p == '<' || *p == '(')
+ depth--;
+ else if (*p == '>' || *p == ')')
+ depth++;
+ p--;
+ }
+
+ if (p == name)
+ return NULL;
+
+ while (p > name && *p != ':')
+ p--;
+
+ if (p == name || p == name + 1 || p[-1] != ':')
+ return NULL;
+
+ return p - 1;
+}
+
+/* Return the name of the class containing method PHYSNAME. */
+
+char *
+class_name_from_physname (const char *physname)
+{
+ char *ret = NULL;
+ const char *end;
+ int depth = 0;
+ char *demangled_name = cplus_demangle (physname, DMGL_ANSI);
+
+ if (demangled_name == NULL)
+ return NULL;
+
+ end = find_last_component (demangled_name);
+ if (end != NULL)
+ {
+ ret = xmalloc (end - demangled_name + 1);
+ memcpy (ret, demangled_name, end - demangled_name);
+ ret[end - demangled_name] = '\0';
+ }
+
+ xfree (demangled_name);
+ return ret;
+}
+
+/* Return the name of the method whose linkage name is PHYSNAME. */
+
+char *
+method_name_from_physname (const char *physname)
+{
+ char *ret = NULL;
+ const char *end;
+ int depth = 0;
+ char *demangled_name = cplus_demangle (physname, DMGL_ANSI);
+
+ if (demangled_name == NULL)
+ return NULL;
+
+ end = find_last_component (demangled_name);
+ if (end != NULL)
+ {
+ char *args;
+ int len;
+
+ /* Skip "::". */
+ end = end + 2;
+
+ /* Find the argument list, if any. */
+ args = strchr (end, '(');
+ if (args == NULL)
+ len = strlen (end + 2);
+ else
+ {
+ args --;
+ while (*args == ' ')
+ args --;
+ len = args - end + 1;
+ }
+ ret = xmalloc (len + 1);
+ memcpy (ret, end, len);
+ ret[len] = 0;
+ }
+
+ xfree (demangled_name);
+ return ret;
+}