/* Helper routines for C++ support in GDB.
- Copyright (C) 2003-2016 Free Software Foundation, Inc.
+ Copyright (C) 2003-2017 Free Software Foundation, Inc.
Contributed by David Carlton and by Kealia, Inc.
#include "buildsym.h"
#include "language.h"
#include "namespace.h"
+#include <string>
static struct block_symbol
cp_lookup_nested_symbol_1 (struct type *container_type,
unsigned int prefix_len,
int is_in_anonymous)
{
- struct block_symbol sym;
- char *klass, *nested;
- struct cleanup *cleanup;
- struct block_symbol klass_sym;
- struct type *klass_type;
-
/* Check for malformed input. */
if (prefix_len + 2 > strlen (name) || name[prefix_len + 1] != ':')
return null_block_symbol;
- /* Find the name of the class and the name of the method, variable, etc. */
-
- /* The class name is everything up to and including PREFIX_LEN. */
- klass = savestring (name, prefix_len);
+ /* The class, namespace or function name is everything up to and
+ including PREFIX_LEN. */
+ std::string scope (name, prefix_len);
/* The rest of the name is everything else past the initial scope
operator. */
- nested = xstrdup (name + prefix_len + 2);
-
- /* Add cleanups to free memory for these strings. */
- cleanup = make_cleanup (xfree, klass);
- make_cleanup (xfree, nested);
-
- /* Lookup a class named KLASS. If none is found, there is nothing
- more that can be done. KLASS could be a namespace, so always look
- in VAR_DOMAIN. This works for classes too because of
- symbol_matches_domain (which should be replaced with something else,
- but it's what we have today). */
- klass_sym = lookup_global_symbol (klass, block, VAR_DOMAIN);
- if (klass_sym.symbol == NULL)
- {
- do_cleanups (cleanup);
- return null_block_symbol;
- }
- klass_type = SYMBOL_TYPE (klass_sym.symbol);
+ const char *nested = name + prefix_len + 2;
+
+ /* Lookup the scope symbol. If none is found, there is nothing more
+ that can be done. SCOPE could be a namespace, so always look in
+ VAR_DOMAIN. This works for classes too because of
+ symbol_matches_domain (which should be replaced with something
+ else, but it's what we have today). */
+ block_symbol scope_sym = lookup_symbol_in_static_block (scope.c_str (),
+ block, VAR_DOMAIN);
+ if (scope_sym.symbol == NULL)
+ scope_sym = lookup_global_symbol (scope.c_str (), block, VAR_DOMAIN);
+ if (scope_sym.symbol == NULL)
+ return null_block_symbol;
- /* Look for a symbol named NESTED in this class.
+ struct type *scope_type = SYMBOL_TYPE (scope_sym.symbol);
+
+ /* If the scope is a function/method, then look up NESTED as a local
+ static variable. E.g., "print 'function()::static_var'". */
+ if (TYPE_CODE (scope_type) == TYPE_CODE_FUNC
+ || TYPE_CODE (scope_type) == TYPE_CODE_METHOD)
+ return lookup_symbol (nested, SYMBOL_BLOCK_VALUE (scope_sym.symbol),
+ VAR_DOMAIN, NULL);
+
+ /* Look for a symbol named NESTED in this class/namespace.
The caller is assumed to have already have done a basic lookup of NAME.
So we pass zero for BASIC_LOOKUP to cp_lookup_nested_symbol_1 here. */
- sym = cp_lookup_nested_symbol_1 (klass_type, nested, name, block, domain,
- 0, is_in_anonymous);
-
- do_cleanups (cleanup);
- return sym;
+ return cp_lookup_nested_symbol_1 (scope_type, nested, name,
+ block, domain, 0, is_in_anonymous);
}
/* Look up NAME in the C++ namespace NAMESPACE. Other arguments are
if (SYMBOL_NATURAL_NAME (function))
{
struct type *context;
- char *name_copy = xstrdup (SYMBOL_NATURAL_NAME (function));
- struct cleanup *cleanups = make_cleanup (xfree, name_copy);
+ std::string name_copy (SYMBOL_NATURAL_NAME (function));
const struct language_defn *lang = language_def (language_cplus);
struct gdbarch *arch = symbol_arch (function);
const struct block *parent = BLOCK_SUPERBLOCK (block);
while (1)
{
- unsigned int prefix_len = cp_entire_prefix_len (name_copy);
+ unsigned int prefix_len
+ = cp_entire_prefix_len (name_copy.c_str ());
if (prefix_len == 0)
context = NULL;
else
{
- name_copy[prefix_len] = '\0';
+ name_copy.erase (prefix_len);
context = lookup_typename (lang, arch,
- name_copy,
+ name_copy.c_str (),
parent, 1);
}
TYPE_TEMPLATE_ARGUMENTS (context));
if (sym != NULL)
{
- do_cleanups (cleanups);
if (symbol_lookup_debug)
{
fprintf_unfiltered
return (struct block_symbol) {sym, parent};
}
}
-
- do_cleanups (cleanups);
}
}
{
int i;
struct block_symbol sym;
- struct cleanup *cleanup;
- char *concatenated_name;
sym.symbol = NULL;
sym.block = NULL;
- concatenated_name = NULL;
- cleanup = make_cleanup (free_current_contents, &concatenated_name);
for (i = 0; i < TYPE_N_BASECLASSES (parent_type); ++i)
{
- size_t len;
struct type *base_type = TYPE_BASECLASS (parent_type, i);
const char *base_name = TYPE_BASECLASS_NAME (parent_type, i);
if (base_name == NULL)
continue;
- len = strlen (base_name) + 2 + strlen (name) + 1;
- concatenated_name = (char *) xrealloc (concatenated_name, len);
- xsnprintf (concatenated_name, len, "%s::%s", base_name, name);
+ std::string concatenated_name = std::string (base_name) + "::" + name;
- sym = cp_lookup_nested_symbol_1 (base_type, name, concatenated_name,
+ sym = cp_lookup_nested_symbol_1 (base_type, name,
+ concatenated_name.c_str (),
block, domain, 1, is_in_anonymous);
if (sym.symbol != NULL)
break;
}
- do_cleanups (cleanup);
return sym;
}
printf_unfiltered (_("The `maint namespace' command was removed.\n"));
}
-/* Provide a prototype to silence -Wmissing-prototypes. */
-extern initialize_file_ftype _initialize_cp_namespace;
-
void
_initialize_cp_namespace (void)
{
projects / deliverable / binutils-gdb.git / blobdiff