Convert location_spec_to_string to a method

This converts location_spec_to_string to a method of location_spec,
simplifying the code using it, as it no longer has to use
std::unique_ptr::get().

Change-Id: I621bdad8ea084470a2724163f614578caf8f2dd5

gdb/breakpoint.c

@@ -6007,8 +6007,7 @@ print_breakpoint_location (const breakpoint *b,
     set_current_program_space (loc->pspace);
 
   if (b->display_canonical)
-    uiout->field_string ("what",
-			 location_spec_to_string (b->locspec.get ()));
+    uiout->field_string ("what", b->locspec->to_string ());
   else if (loc && loc->symtab)
     {
       const struct symbol *sym = loc->symbol;
@@ -6042,8 +6041,7 @@ print_breakpoint_location (const breakpoint *b,
     }
   else
     {
-      uiout->field_string ("pending",
-			   location_spec_to_string (b->locspec.get ()));
+      uiout->field_string ("pending", b->locspec->to_string ());
       /* If extra_string is available, it could be holding a condition
 	 or dprintf arguments.  In either case, make sure it is printed,
 	 too, but only for non-MI streams.  */
@@ -6505,7 +6503,7 @@ print_one_breakpoint_location (struct breakpoint *b,
 	}
       else if (b->locspec != nullptr)
 	{
-	  const char *str = location_spec_to_string (b->locspec.get ());
+	  const char *str = b->locspec->to_string ();
 	  if (str != nullptr)
 	    uiout->field_string ("original-location", str);
 	}
@@ -8282,7 +8280,7 @@ code_breakpoint::code_breakpoint (struct gdbarch *gdbarch_,
 	{
 	  /* We already know the marker exists, otherwise, we wouldn't
 	     see a sal for it.  */
-	  const char *p = &location_spec_to_string (locspec_.get ())[3];
+	  const char *p = &locspec_->to_string ()[3];
 	  const char *endp;
 
 	  p = skip_spaces (p);
@@ -9244,8 +9242,8 @@ void
 ranged_breakpoint::print_recreate (struct ui_file *fp) const
 {
   gdb_printf (fp, "break-range %s, %s",
-	      location_spec_to_string (locspec.get ()),
-	      location_spec_to_string (locspec_range_end.get ()));
+	      locspec->to_string (),
+	      locspec_range_end->to_string ());
   print_recreate_thread (fp);
 }
 
@@ -11353,19 +11351,18 @@ say_where (const breakpoint *b)
 	 a condition or dprintf arguments.  */
       if (b->extra_string == NULL)
 	{
-	  gdb_printf (_(" (%s) pending."),
-		      location_spec_to_string (b->locspec.get ()));
+	  gdb_printf (_(" (%s) pending."), b->locspec->to_string ());
 	}
       else if (b->type == bp_dprintf)
 	{
 	  gdb_printf (_(" (%s,%s) pending."),
-		      location_spec_to_string (b->locspec.get ()),
+		      b->locspec->to_string (),
 		      b->extra_string.get ());
 	}
       else
 	{
 	  gdb_printf (_(" (%s %s) pending."),
-		      location_spec_to_string (b->locspec.get ()),
+		      b->locspec->to_string (),
 		      b->extra_string.get ());
 	}
     }
@@ -11393,8 +11390,7 @@ say_where (const breakpoint *b)
 	    /* This is not ideal, but each location may have a
 	       different file name, and this at least reflects the
 	       real situation somewhat.  */
-	    gdb_printf (": %s.",
-			location_spec_to_string (b->locspec.get ()));
+	    gdb_printf (": %s.", b->locspec->to_string ());
 	}
 
       if (b->loc->next)
@@ -11659,7 +11655,7 @@ ordinary_breakpoint::print_recreate (struct ui_file *fp) const
     internal_error (__FILE__, __LINE__,
 		    _("unhandled breakpoint type %d"), (int) type);
 
-  gdb_printf (fp, " %s", location_spec_to_string (locspec.get ()));
+  gdb_printf (fp, " %s", locspec->to_string ());
 
   /* Print out extra_string if this breakpoint is pending.  It might
      contain, for example, conditions that were set by the user.  */
@@ -11822,8 +11818,7 @@ bkpt_probe_create_sals_from_location_spec (location_spec *locspec,
   struct linespec_sals lsal;
 
   lsal.sals = parse_probes (locspec, NULL, canonical);
-  lsal.canonical
-    = xstrdup (location_spec_to_string (canonical->locspec.get ()));
+  lsal.canonical = xstrdup (canonical->locspec->to_string ());
   canonical->lsals.push_back (std::move (lsal));
 }
 
@@ -11906,7 +11901,7 @@ tracepoint::print_recreate (struct ui_file *fp) const
     internal_error (__FILE__, __LINE__,
 		    _("unhandled tracepoint type %d"), (int) type);
 
-  gdb_printf (fp, " %s", location_spec_to_string (locspec.get ()));
+  gdb_printf (fp, " %s", locspec->to_string ());
   print_recreate_thread (fp);
 
   if (pass_count)
@@ -11951,9 +11946,7 @@ dprintf_breakpoint::re_set ()
 void
 dprintf_breakpoint::print_recreate (struct ui_file *fp) const
 {
-  gdb_printf (fp, "dprintf %s,%s",
-	      location_spec_to_string (locspec.get ()),
-	      extra_string.get ());
+  gdb_printf (fp, "dprintf %s,%s", locspec->to_string (), extra_string.get ());
   print_recreate_thread (fp);
 }
 
@@ -12001,8 +11994,7 @@ strace_marker_create_sals_from_location_spec (location_spec *locspec,
   canonical->locspec
     = new_linespec_location_spec (&ptr, symbol_name_match_type::FULL);
 
-  lsal.canonical
-    = xstrdup (location_spec_to_string (canonical->locspec.get ()));
+  lsal.canonical = xstrdup (canonical->locspec->to_string ());
   canonical->lsals.push_back (std::move (lsal));
 }
 

gdb/elfread.c

@@ -1026,8 +1026,7 @@ elf_gnu_ifunc_resolver_return_stop (code_breakpoint *b)
   resolved_pc = gdbarch_addr_bits_remove (gdbarch, resolved_pc);
 
   gdb_assert (current_program_space == b->pspace || b->pspace == NULL);
-  const char *locspec_str = location_spec_to_string (b->locspec.get ());
-  elf_gnu_ifunc_record_cache (locspec_str, resolved_pc);
+  elf_gnu_ifunc_record_cache (b->locspec->to_string (), resolved_pc);
 
   b->type = bp_breakpoint;
   update_breakpoint_locations (b, current_program_space,

gdb/guile/scm-breakpoint.c

@@ -189,7 +189,7 @@ bpscm_print_breakpoint_smob (SCM self, SCM port, scm_print_state *pstate)
 
       if (b->locspec != nullptr)
 	{
-	  const char *str = location_spec_to_string (b->locspec.get ());
+	  const char *str = b->locspec->to_string ();
 	  if (str != nullptr)
 	    gdbscm_printf (port, " @%s", str);
 	}
@@ -859,8 +859,7 @@ gdbscm_breakpoint_location (SCM self)
   if (bp_smob->bp->type != bp_breakpoint)
     return SCM_BOOL_F;
 
-  const char *str
-    = location_spec_to_string (bp_smob->bp->locspec.get ());
+  const char *str = bp_smob->bp->locspec->to_string ();
   if (str == nullptr)
     str = "";
 

gdb/linespec.c

@@ -3149,7 +3149,7 @@ decode_line_full (struct location_spec *locspec, int flags,
 
   if (result.size () == 0)
     throw_error (NOT_SUPPORTED_ERROR, _("Location %s not available"),
-		 location_spec_to_string (locspec));
+		 locspec->to_string ());
 
   gdb_assert (result.size () == 1 || canonical->pre_expanded);
   canonical->pre_expanded = 1;

gdb/location.c

@@ -345,14 +345,6 @@ explicit_location_spec::to_linespec () const
   return explicit_to_string_internal (true, this);
 }
 
-/* See description in location.h.  */
-
-const char *
-location_spec_to_string (struct location_spec *locspec)
-{
-  return locspec->to_string ();
-}
-
 /* Find an instance of the quote character C in the string S that is
    outside of all single- and double-quoted strings (i.e., any quoting
    other than C).  */

gdb/location.h

@@ -83,7 +83,12 @@ struct location_spec
   /* Return true if this location spec is empty, false otherwise.  */
   virtual bool empty_p () const = 0;
 
-  /* Return a string representation of this location.  */
+  /* Return a string representation of this location.
+
+     This function may return NULL for unspecified linespecs, e.g,
+     LINESPEC_LOCATION_SPEC and spec_string is NULL.
+
+     The result is cached in the locspec.  */
   const char *to_string () const
   {
     if (as_string.empty ())
@@ -233,15 +238,6 @@ protected:
   std::string compute_string () const override;
 };
 
-/* Return a string representation of LOCSPEC.
-   This function may return NULL for unspecified linespecs,
-   e.g, LINESPEC_LOCATION_SPEC and spec_string is NULL.
-
-   The result is cached in LOCSPEC.  */
-
-extern const char *
-  location_spec_to_string (location_spec *locspec);
-
 /* Create a new linespec location spec.  */
 
 extern location_spec_up new_linespec_location_spec

gdb/python/py-breakpoint.c

@@ -412,7 +412,7 @@ bppy_get_location (PyObject *self, void *closure)
       && obj->bp->type != bp_hardware_breakpoint)
     Py_RETURN_NONE;
 
-  const char *str = location_spec_to_string (obj->bp->locspec.get ());
+  const char *str = obj->bp->locspec->to_string ();
   if (str == nullptr)
     str = "";
   return host_string_to_python_string (str).release ();

gdb/remote.c

@@ -13375,7 +13375,7 @@ remote_target::download_tracepoint (struct bp_location *loc)
 	  if (ret < 0 || ret >= buf.size ())
 	    error ("%s", err_msg);
 
-	  const char *str = location_spec_to_string (b->locspec.get ());
+	  const char *str = b->locspec->to_string ();
 	  encode_source_string (b->number, loc->address, "at", str,
 				buf.data () + strlen (buf.data ()),
 				buf.size () - strlen (buf.data ()));