gdb

	* varobj.h (varobj_update_result_t) <new>: New field.
	(varobj_get_child_range, varobj_set_child_range): Declare.
	(varobj_list_children): Update.
	(varobj_enable_pretty_printing, varobj_has_more)
	(varobj_pretty_printed_p): Declare.
	* varobj.c (pretty_printing): New global.
	(varobj_enable_pretty_printing): New function.
	(struct varobj_root) <from, to, constructor, child_iter,
	saved_item>: New fields.
	(varobj_create): Don't call install_default_visualizer.
	(instantiate_pretty_printer): Don't use value_copy.
	(varobj_has_more): New function.
	(restrict_range): New function.
	(install_dynamic_child): Likewise.
	(dynamic_varobj_has_child_method): Likewise.
	(update_dynamic_varobj_children): Remove 'new_and_unchanged'
	argument; add 'new', 'unchanged', 'from', and 'to' arguments.
	Rewrite.
	(varobj_get_num_children): Call update_dynamic_varobj_children.
	(varobj_list_children): Add 'from' and 'to' arguments.  Ignore
	result of update_dynamic_varobj_children.  Don't call
	install_default_visualizer.  Restrict result range.
	(varobj_add_child): Don't call install_default_visualizer.
	(varobj_pretty_printed_p): New function.
	(install_visualizer): Rewrite.  Move earlier in file.
	(install_default_visualizer): Likewise.
	(construct_visualizer): New function.
	(install_new_value_visualizer): Likewise.
	(install_new_value): Don't call release_value.  Special case
	pretty-printed objects.  Use value_incref.  Rearrange "changed"
	logic.
	(varobj_get_child_range): New function.
	(varobj_set_child_range): Likewise.
	(varobj_set_visualizer): Rewrite.
	(varobj_update): Rewrite pretty-printing logic.
	(new_variable): Initialize new fields.
	(free_variable): Destroy new fields.
	(value_of_root): Copy 'from' and 'to'.
	(my_value_of_variable): Handle pretty-printers.
	(value_get_print_value): Rework pretty-printing logic.
	(cplus_describe_child): Don't use release_value.
	* mi/mi-cmds.h (mi_cmd_enable_pretty_printing)
	(mi_cmd_var_set_update_range): Declare.
	* mi/mi-cmds.c (mi_cmds): Add enable-pretty-printing and
	var-set-update-range.
	* mi/mi-cmd-var.c (print_varobj): Update.  Emit "dynamic"
	attribute.
	(mi_cmd_var_create): Emit "has_more" attribute.
	(mi_cmd_var_set_format): Plug memory leak.
	(mi_print_value_p): Replace 'type' argument with 'var'.  Handle
	pretty-printed varobjs.
	(mi_cmd_var_list_children): Accept 'from' and 'to' arguments.
	Emit "has_more" attribute.
	(mi_cmd_var_evaluate_expression): Plug memory leak.
	(mi_cmd_var_assign): Likewise.
	(varobj_update_one): Likewise.  Emit "dynamic", "has_more", and
	"new_children" attributes.
	(mi_cmd_enable_pretty_printing): New function.
	(mi_cmd_var_set_update_range): Likewise.
gdb/doc
	* gdb.texinfo (GDB/MI Variable Objects): Document
	-enable-pretty-printing, -var-set-update-range, dynamic varobjs.
	Expand -var-update documentation.
gdb/testsuite
	* lib/mi-support.exp (mi_create_varobj): Update.
	(mi_create_floating_varobj): Likewise.
	(mi_create_dynamic_varobj): New proc.
	(mi_varobj_update): Update.
	(mi_varobj_update_with_type_change): Likewise.
	(mi_varobj_update_kv_helper): New proc.
	(mi_varobj_update_dynamic_helper): Rewrite.
	(mi_varobj_update_dynamic): New proc.
	(mi_list_varobj_children): Update.
	(mi_list_varobj_children_range): Add 'from' and 'to' arguments.
	* gdb.python/python-prettyprint.py (pp_outer): New class.
	(pp_nullstr): Likewise.
	(lookup_function): Register new printers.
	* gdb.python/python-prettyprint.c (struct substruct): New type.
	(struct outerstruct): Likewise.
	(substruct_test): New function.
	(struct nullstr): New type.
	(string_1, string_2): New globals.
	(main): Add new tests.
	* gdb.python/python-mi.exp: Added regression tests.
	* gdb.mi/mi2-var-display.exp: Update.
	* gdb.mi/mi2-var-cmd.exp: Update.
	* gdb.mi/mi2-var-child.exp: Update.
	* gdb.mi/mi2-var-block.exp: Update.
	* gdb.mi/mi-var-invalidate.exp: Update.
	* gdb.mi/mi-var-display.exp: Update.
	* gdb.mi/mi-var-cmd.exp: Update.
	* gdb.mi/mi-var-child.exp: Update.
	* gdb.mi/mi-var-block.exp: Update.
	* gdb.mi/mi-break.exp: Update.
	* gdb.mi/gdb701.exp: Update.

1 files changed, 45 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.python/py-prettyprint.c b/gdb/testsuite/gdb.python/py-prettyprint.c
index 3cafc48..7f16400 100644
--- a/gdb/testsuite/gdb.python/py-prettyprint.c
+++ b/gdb/testsuite/gdb.python/py-prettyprint.c
@@ -15,6 +15,8 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
+#include <string.h>
+
 struct s
 {
   int a;
@@ -80,6 +82,29 @@ class Derived : public Vbase1, public Vbase2, public Vbase3
 
 #endif
 
+struct substruct {
+  int a;
+  int b;
+};
+
+struct outerstruct {
+  struct substruct s;
+  int x;
+};
+
+struct outerstruct
+substruct_test (void)
+{
+  struct outerstruct outer;
+  outer.s.a = 0;
+  outer.s.b = 0;
+  outer.x = 0;
+
+  outer.s.a = 3;		/* MI outer breakpoint here */
+
+  return outer;  
+}
+
 typedef struct string_repr
 {
   struct whybother
@@ -148,6 +173,14 @@ void do_nothing(void)
   c = 23;			/* Another MI breakpoint */
 }
 
+struct nullstr
+{
+  char *s;
+};
+
+struct string_repr string_1 = { { "one" } };
+struct string_repr string_2 = { { "two" } };
+
 int
 main ()
 {
@@ -155,11 +188,15 @@ main ()
   struct ss  ssa[2];
   string x = make_string ("this is x");
   zzz_type c = make_container ("container");
+  zzz_type c2 = make_container ("container2");
   const struct string_repr cstring = { { "const string" } };
+  /* Clearing by being `static' could invoke an other GDB C++ bug.  */
+  struct nullstr nullstr;
 
   init_ss(&ss, 1, 2);
   init_ss(ssa+0, 3, 4);
   init_ss(ssa+1, 5, 6);
+  memset (&nullstr, 0, sizeof nullstr);
 
   struct ns  ns;
   ns.null_str = "embedded\0null\0string";
@@ -193,6 +230,14 @@ main ()
   add_item (&c, 72);
 
 #ifdef MI
+  add_item (&c, 1011);
+  c.elements[0] = 1023;
+  c.elements[0] = 2323;
+
+  add_item (&c2, 2222);
+  add_item (&c2, 3333);
+
+  substruct_test ();
   do_nothing ();
 #endif