extern int parse_escape (struct gdbarch *, const char **);
-/* A wrapper for an array of char* that was allocated in the way that
- 'buildargv' does, and should be freed with 'freeargv'. */
-
-class gdb_argv
-{
-public:
-
- /* A constructor that initializes to NULL. */
-
- gdb_argv ()
- : m_argv (NULL)
- {
- }
-
- /* A constructor that calls buildargv on STR. STR may be NULL, in
- which case this object is initialized with a NULL array. */
-
- explicit gdb_argv (const char *str)
- : m_argv (NULL)
- {
- reset (str);
- }
-
- /* A constructor that takes ownership of an existing array. */
-
- explicit gdb_argv (char **array)
- : m_argv (array)
- {
- }
-
- gdb_argv (const gdb_argv &) = delete;
- gdb_argv &operator= (const gdb_argv &) = delete;
-
- gdb_argv &operator= (gdb_argv &&other)
- {
- freeargv (m_argv);
- m_argv = other.m_argv;
- other.m_argv = nullptr;
- return *this;
- }
-
- gdb_argv (gdb_argv &&other)
- {
- m_argv = other.m_argv;
- other.m_argv = nullptr;
- }
-
- ~gdb_argv ()
- {
- freeargv (m_argv);
- }
-
- /* Call buildargv on STR, storing the result in this object. Any
- previous state is freed. STR may be NULL, in which case this
- object is reset with a NULL array. If buildargv fails due to
- out-of-memory, call malloc_failure. Therefore, the value is
- guaranteed to be non-NULL, unless the parameter itself is
- NULL. */
-
- void reset (const char *str);
-
- /* Return the underlying array. */
-
- char **get ()
- {
- return m_argv;
- }
-
- const char * const * get () const
- {
- return m_argv;
- }
-
- /* Return the underlying array, transferring ownership to the
- caller. */
-
- ATTRIBUTE_UNUSED_RESULT char **release ()
- {
- char **result = m_argv;
- m_argv = NULL;
- return result;
- }
-
- /* Return the number of items in the array. */
-
- int count () const
- {
- return countargv (m_argv);
- }
-
- /* Index into the array. */
-
- char *operator[] (int arg)
- {
- gdb_assert (m_argv != NULL);
- return m_argv[arg];
- }
-
- /* Return the arguments array as an array view. */
-
- gdb::array_view<char *> as_array_view ()
- {
- return gdb::array_view<char *> (this->get (), this->count ());
- }
-
- gdb::array_view<const char * const> as_array_view () const
- {
- return gdb::array_view<const char * const> (this->get (), this->count ());
- }
-
- /* Append arguments to this array. */
- void append (gdb_argv &&other)
- {
- int size = count ();
- int argc = other.count ();
- m_argv = XRESIZEVEC (char *, m_argv, (size + argc + 1));
-
- for (int argi = 0; argi < argc; argi++)
- {
- /* Transfer ownership of the string. */
- m_argv[size++] = other.m_argv[argi];
- /* Ensure that destruction of OTHER works correctly. */
- other.m_argv[argi] = nullptr;
- }
- m_argv[size] = nullptr;
- }
-
- /* Append arguments to this array. */
- void append (const gdb_argv &other)
- {
- int size = count ();
- int argc = other.count ();
- m_argv = XRESIZEVEC (char *, m_argv, (size + argc + 1));
-
- for (int argi = 0; argi < argc; argi++)
- m_argv[size++] = xstrdup (other.m_argv[argi]);
- m_argv[size] = nullptr;
- }
-
- /* The iterator type. */
-
- typedef char **iterator;
-
- /* Return an iterator pointing to the start of the array. */
-
- iterator begin ()
- {
- return m_argv;
- }
-
- /* Return an iterator pointing to the end of the array. */
-
- iterator end ()
- {
- return m_argv + count ();
- }
-
- bool operator!= (std::nullptr_t)
- {
- return m_argv != NULL;
- }
-
- bool operator== (std::nullptr_t)
- {
- return m_argv == NULL;
- }
-
-private:
-
- /* The wrapped array. */
-
- char **m_argv;
-};
-
\f
/* Cleanup utilities. */
-/* A deleter for a hash table. */
-struct htab_deleter
-{
- void operator() (htab *ptr) const
- {
- htab_delete (ptr);
- }
-};
-
-/* A unique_ptr wrapper for htab_t. */
-typedef std::unique_ptr<htab, htab_deleter> htab_up;
-
-/* A wrapper for 'delete' that can used as a hash table entry deletion
- function. */
-template<typename T>
-void
-htab_delete_entry (void *ptr)
-{
- delete (T *) ptr;
-}
-
extern void init_page_info (void);
/* Temporarily set BATCH_FLAG and the associated unlimited terminal size.
extern const char *n_spaces (int);
-extern void fputstr_filtered (const char *str, int quotr,
- struct ui_file * stream);
-
-extern void fputstr_unfiltered (const char *str, int quotr,
- struct ui_file * stream);
-
-extern void fputstrn_filtered (const char *str, int n, int quotr,
- struct ui_file * stream);
-
-typedef int (*do_fputc_ftype) (int c, ui_file *stream);
-
-extern void fputstrn_unfiltered (const char *str, int n, int quotr,
- do_fputc_ftype do_fputc,
- struct ui_file * stream);
-
/* Return nonzero if filtered printing is initialized. */
extern int filtered_printing_initialized (void);
\f
/* Misc. utilities. */
-/* Allocation and deallocation functions for the libiberty hash table
- which use obstacks. */
-void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
-void dummy_obstack_deallocate (void *object, void *data);
-
#ifdef HAVE_WAITPID
extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
#endif