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* cp-support.c (reset_directive_searched): New function.

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(make_symbol_overload_list_using): Prevent recursive calls.
This commit is contained in:
Ulrich Weigand
2010-06-25 16:16:44 +00:00
parent 4ba2ab9fc3
commit 19c0c0f822
2 changed files with 31 additions and 2 deletions
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5
gdb/ChangeLog
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@@ -1,3 +1,8 @@
2010-06-25 Ulrich Weigand <uweigand@de.ibm.com>
* cp-support.c (reset_directive_searched): New function.
(make_symbol_overload_list_using): Prevent recursive calls.
2010-06-25 Phil Muldoon <pmuldoon@redhat.com> 2010-06-25 Phil Muldoon <pmuldoon@redhat.com>
* printcmd.c (print_variable_and_value): Print error message on * printcmd.c (print_variable_and_value): Print error message on

28
gdb/cp-support.c
View File

@@ -838,6 +838,15 @@ make_symbol_overload_list_adl (struct type **arg_types, int nargs,
return sym_return_val; return sym_return_val;
} }
/* Used for cleanups to reset the "searched" flag in case of an error. */
static void
reset_directive_searched (void *data)
{
struct using_direct *direct = data;
direct->searched = 0;
}
/* This applies the using directives to add namespaces to search in, /* This applies the using directives to add namespaces to search in,
and then searches for overloads in all of those namespaces. It and then searches for overloads in all of those namespaces. It
adds the symbols found to sym_return_val. Arguments are as in adds the symbols found to sym_return_val. Arguments are as in
@@ -847,7 +856,7 @@ static void
make_symbol_overload_list_using (const char *func_name, make_symbol_overload_list_using (const char *func_name,
const char *namespace) const char *namespace)
{ {
const struct using_direct *current; struct using_direct *current;
const struct block *block; const struct block *block;
/* First, go through the using directives. If any of them apply, /* First, go through the using directives. If any of them apply,
@@ -861,12 +870,27 @@ make_symbol_overload_list_using (const char *func_name,
current != NULL; current != NULL;
current = current->next) current = current->next)
{ {
/* Prevent recursive calls. */
if (current->searched)
continue;
/* If this is a namespace alias or imported declaration ignore it. */ /* If this is a namespace alias or imported declaration ignore it. */
if (current->alias != NULL || current->declaration != NULL) if (current->alias != NULL || current->declaration != NULL)
continue; continue;
if (strcmp (namespace, current->import_dest) == 0) if (strcmp (namespace, current->import_dest) == 0)
make_symbol_overload_list_using (func_name, current->import_src); {
/* Mark this import as searched so that the recursive call does
not search it again. */
struct cleanup *old_chain;
current->searched = 1;
old_chain = make_cleanup (reset_directive_searched, current);
make_symbol_overload_list_using (func_name, current->import_src);
current->searched = 0;
discard_cleanups (old_chain);
}
} }
/* Now, add names for this namespace. */ /* Now, add names for this namespace. */