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* varobj.c (install_new_value): Always update print_value.

Browse source 
(value_get_print_value): Immediately return NULL for missing
	values.

	* gdb.mi/mi-var-cmd.exp: Expect lpcharacter to update when
	lcharacter or linteger change.  Correct duplicated test name.
	* gdb.mi/mi2-var-cmd.exp: Likewise.
This commit is contained in:
Daniel Jacobowitz 2007-01-08 23:11:47 +00:00
parent 822b7cb4a1
commit 57e6678071
5 changed files with 51 additions and 12 deletions
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6
gdb/ChangeLog
View file

@ -1,3 +1,9 @@
2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
* varobj.c (install_new_value): Always update print_value.
(value_get_print_value): Immediately return NULL for missing
values.
2007-01-08 Jim Blandy <jimb@codesourcery.com>
* configure.ac: Tighten pattern for extracting value of

7
gdb/testsuite/ChangeLog
View file

@ -1,3 +1,10 @@
2007-01-08 Nick Roberts <nickrob@snap.net.nz>
Daniel Jacobowitz <dan@codesourcery.com>
* gdb.mi/mi-var-cmd.exp: Expect lpcharacter to update when
lcharacter or linteger change. Correct duplicated test name.
* gdb.mi/mi2-var-cmd.exp: Likewise.
2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
* gdb.threads/sigthread.c, gdb.threads/sigthread.exp: New.

11
gdb/testsuite/gdb.mi/mi-var-cmd.exp
View file

@ -261,8 +261,8 @@ mi_execute_to "exec-step 8" "end-stepping-range" "do_locals_tests" "" \
# Note: this test also checks that lpsimple->integer and lsimple.integer have
# changed (they are the same)
mi_gdb_test "-var-update *" \
"\\^done,changelist=\\\[\{name=\"lsimple.integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple->integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple.character\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"ldouble\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lfloat\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"llong\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
"update all vars: func and lpsimple changed"
"\\^done,changelist=\\\[\{name=\"lsimple.integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple->integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple.character\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"ldouble\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lfloat\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"llong\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
"update all vars: lsimple and others changed"
###
@ -278,8 +278,13 @@ mi_gdb_test "-var-assign linteger 3333" \
"\\^done,value=\"3333\"" \
"assign to linteger"
# Allow lpcharacter to update, optionally. Because it points to a
# char variable instead of a zero-terminated string, if linteger is
# directly after it in memory the printed characters may appear to
# change.
set lpchar_update "\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\},"
mi_gdb_test "-var-update *" \
"\\^done,changelist=\\\[\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
"\\^done,changelist=\\\[($lpchar_update)?\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
"update all vars: linteger changed after assign"
mi_gdb_test "-var-assign linteger 3333" \

11
gdb/testsuite/gdb.mi/mi2-var-cmd.exp
View file

@ -261,8 +261,8 @@ mi_execute_to "exec-step 8" "end-stepping-range" "do_locals_tests" "" \
# Note: this test also checks that lpsimple->integer and lsimple.integer have
# changed (they are the same)
mi_gdb_test "-var-update *" \
"\\^done,changelist=\\\[\{name=\"lsimple.integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple->integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple.character\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"ldouble\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lfloat\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"llong\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
"update all vars: func and lpsimple changed"
"\\^done,changelist=\\\[\{name=\"lsimple.integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple->integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple.character\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"ldouble\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lfloat\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"llong\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
"update all vars: lsimple and others changed"
###
@ -278,8 +278,13 @@ mi_gdb_test "-var-assign linteger 3333" \
"\\^done,value=\"3333\"" \
"assign to linteger"
# Allow lpcharacter to update, optionally. Because it points to a
# char variable instead of a zero-terminated string, if linteger is
# directly after it in memory the printed characters may appear to
# change.
set lpchar_update "\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\},"
mi_gdb_test "-var-update *" \
"\\^done,changelist=\\\[\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
"\\^done,changelist=\\\[($lpchar_update)?\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
"update all vars: linteger changed after assign"
mi_gdb_test "-var-assign linteger 3333" \

28
gdb/varobj.c
View file

@ -966,9 +966,13 @@ install_new_value (struct varobj *var, struct value *value, int initial)
/* If the value of the varobj was changed by -var-set-value, then the
value in the varobj and in the target is the same. However, that value
is different from the value that the varobj had after the previous
-var-update. So need to the varobj as changed. */
-var-update. So need to the varobj as changed. */
if (var->updated)
changed = 1;
{
xfree (var->print_value);
var->print_value = value_get_print_value (value, var->format);
changed = 1;
}
else
{
/* Try to compare the values. That requires that both
@ -979,7 +983,11 @@ install_new_value (struct varobj *var, struct value *value, int initial)
/* Equal. */
;
else if (var->value == NULL || value == NULL)
changed = 1;
{
xfree (var->print_value);
var->print_value = value_get_print_value (value, var->format);
changed = 1;
}
else
{
char *print_value;
@ -987,6 +995,7 @@ install_new_value (struct varobj *var, struct value *value, int initial)
gdb_assert (!value_lazy (value));
print_value = value_get_print_value (value, var->format);
gdb_assert (var->print_value != NULL && print_value != NULL);
if (strcmp (var->print_value, print_value) != 0)
{
xfree (var->print_value);
@ -1687,12 +1696,19 @@ static char *
value_get_print_value (struct value *value, enum varobj_display_formats format)
{
long dummy;
struct ui_file *stb = mem_fileopen ();
struct cleanup *old_chain = make_cleanup_ui_file_delete (stb);
struct ui_file *stb;
struct cleanup *old_chain;
char *thevalue;
if (value == NULL)
return NULL;
stb = mem_fileopen ();
old_chain = make_cleanup_ui_file_delete (stb);
common_val_print (value, stb, format_code[(int) format], 1, 0, 0);
thevalue = ui_file_xstrdup (stb, &dummy);
do_cleanups (old_chain);
return thevalue;
}