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2010-03-09 Sami Wagiaalla <swagiaal@redhat.com>

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PR C++/11236:
	* cp-namespace.c (cp_add_using): Deleted.
	(cp_add_using_directive): Use obstack allocations.
	Merged the function cp_add_using into this one.
	Added 'struct obstack *' argument.
	(cp_scan_for_anonymous_namespaces): Updated.
	* cp-support.h: Updated.
	* dwarf2read.c (read_import_statement): Updated.
	(read_namespace): Updated.
This commit is contained in:
Sami Wagiaalla
2010-03-10 16:22:29 +00:00
parent 452fa0647c
commit c0cc3a7670
4 changed files with 45 additions and 47 deletions
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61
gdb/cp-namespace.c
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@@ -115,7 +115,8 @@ cp_scan_for_anonymous_namespaces (const struct symbol *symbol)
anonymous namespace. So add symbols in it to the
namespace given by the previous component if there is
one, or to the global namespace if there isn't. */
cp_add_using_directive (dest, src, NULL);
cp_add_using_directive (dest, src, NULL,
&SYMBOL_SYMTAB (symbol)->objfile->objfile_obstack);
}
/* The "+ 2" is for the "::". */
previous_component = next_component + 2;
@@ -126,11 +127,18 @@ cp_scan_for_anonymous_namespaces (const struct symbol *symbol)
}
}
/* Add a using directive to using_list. If the using directive in question
has already been added, don't add it twice. */
/* Add a using directive to using_directives. If the using directive in
question has already been added, don't add it twice.
Create a new struct using_direct which imports the namespace SRC into the
scope DEST. ALIAS is the name of the imported namespace in the current
scope. If ALIAS is NULL then the namespace is known by its original name.
The arguments are copied into newly allocated memory so they can be
temporaries. */
void
cp_add_using_directive (const char *dest, const char *src, const char *alias)
cp_add_using_directive (const char *dest, const char *src, const char *alias,
struct obstack *obstack)
{
struct using_direct *current;
struct using_direct *new;
@@ -140,12 +148,23 @@ cp_add_using_directive (const char *dest, const char *src, const char *alias)
for (current = using_directives; current != NULL; current = current->next)
{
if (strcmp (current->import_src, src) == 0
&& strcmp (current->import_dest, dest) == 0)
&& strcmp (current->import_dest, dest) == 0
&& ((alias == NULL && current->alias == NULL)
|| (alias != NULL && current->alias != NULL
&& strcmp (alias, current->alias) == 0)))
return;
}
using_directives = cp_add_using (dest, src, alias, using_directives);
new = OBSTACK_ZALLOC (obstack, struct using_direct);
new->import_src = obsavestring (src, strlen (src), obstack);
new->import_dest = obsavestring (dest, strlen (dest), obstack);
if (alias != NULL)
new->alias = obsavestring (alias, strlen (alias), obstack);
new->next = using_directives;
using_directives = new;
}
/* Record the namespace that the function defined by SYMBOL was
@@ -196,36 +215,6 @@ cp_is_anonymous (const char *namespace)
!= NULL);
}
/* Create a new struct using direct which imports the namespace SRC into the
scope DEST. ALIAS is the name of the imported namespace in the current
scope. If ALIAS is NULL then the namespace is known by its original name.
Set its next member in the linked list to NEXT; allocate all memory
using xmalloc. It copies the strings, so NAME can be a temporary
string. */
struct using_direct *
cp_add_using (const char *dest,
const char *src,
const char *alias,
struct using_direct *next)
{
struct using_direct *retval;
retval = xmalloc (sizeof (struct using_direct));
retval->import_src = savestring (src, strlen(src));
retval->import_dest = savestring (dest, strlen(dest));
if (alias != NULL)
retval->alias = savestring (alias, strlen (alias));
else
retval->alias = NULL;
retval->next = next;
retval->searched = 0;
return retval;
}
/* The C++-specific version of name lookup for static and global
names. This makes sure that names get looked for in all namespaces
that are in scope. NAME is the natural name of the symbol that