static struct value *value_of_child (struct varobj *parent, int index);
-static int variable_editable (struct varobj *var);
-
static char *my_value_of_variable (struct varobj *var);
static char *value_get_print_value (struct value *value,
static struct type *c_type_of_child (struct varobj *parent, int index);
-static int c_variable_editable (struct varobj *var);
-
static char *c_value_of_variable (struct varobj *var);
/* C++ implementation */
static struct type *cplus_type_of_child (struct varobj *parent, int index);
-static int cplus_variable_editable (struct varobj *var);
-
static char *cplus_value_of_variable (struct varobj *var);
/* Java implementation */
static struct type *java_type_of_child (struct varobj *parent, int index);
-static int java_variable_editable (struct varobj *var);
-
static char *java_value_of_variable (struct varobj *var);
/* The language specific vector */
/* The type of the INDEX'th child of PARENT. */
struct type *(*type_of_child) (struct varobj * parent, int index);
- /* Is VAR editable? */
- int (*variable_editable) (struct varobj * var);
-
/* The current value of VAR. */
char *(*value_of_variable) (struct varobj * var);
};
c_value_of_root,
c_value_of_child,
c_type_of_child,
- c_variable_editable,
c_value_of_variable}
,
/* C */
c_value_of_root,
c_value_of_child,
c_type_of_child,
- c_variable_editable,
c_value_of_variable}
,
/* C++ */
cplus_value_of_root,
cplus_value_of_child,
cplus_type_of_child,
- cplus_variable_editable,
cplus_value_of_variable}
,
/* Java */
java_value_of_root,
java_value_of_child,
java_type_of_child,
- java_variable_editable,
java_value_of_variable}
};
select_frame (fi);
}
- /* We definitively need to catch errors here.
+ /* We definitely need to catch errors here.
If evaluate_expression succeeds we got the value we wanted.
But if it fails, we still go on with a call to evaluate_type() */
if (!gdb_evaluate_expression (var->root->exp, &value))
{
int attributes = 0;
- if (var->root->is_valid && variable_editable (var))
+ if (varobj_editable_p (var))
/* FIXME: define masks for attributes */
attributes |= 0x00000001; /* Editable */
struct expression *exp;
struct value *value;
int saved_input_radix = input_radix;
+ char *s = expression;
+ int i;
- if (var->value != NULL && variable_editable (var))
- {
- char *s = expression;
- int i;
-
- input_radix = 10; /* ALWAYS reset to decimal temporarily */
- exp = parse_exp_1 (&s, 0, 0);
- if (!gdb_evaluate_expression (exp, &value))
- {
- /* We cannot proceed without a valid expression. */
- xfree (exp);
- return 0;
- }
+ gdb_assert (varobj_editable_p (var));
- /* All types that are editable must also be changeable. */
- gdb_assert (varobj_value_is_changeable_p (var));
-
- /* The value of a changeable variable object must not be lazy. */
- gdb_assert (!value_lazy (var->value));
-
- /* Need to coerce the input. We want to check if the
- value of the variable object will be different
- after assignment, and the first thing value_assign
- does is coerce the input.
- For example, if we are assigning an array to a pointer variable we
- should compare the pointer with the the array's address, not with the
- array's content. */
- value = coerce_array (value);
-
- /* The new value may be lazy. gdb_value_assign, or
- rather value_contents, will take care of this.
- If fetching of the new value will fail, gdb_value_assign
- with catch the exception. */
- if (!gdb_value_assign (var->value, value, &val))
- return 0;
-
- /* If the value has changed, record it, so that next -var-update can
- report this change. If a variable had a value of '1', we've set it
- to '333' and then set again to '1', when -var-update will report this
- variable as changed -- because the first assignment has set the
- 'updated' flag. There's no need to optimize that, because return value
- of -var-update should be considered an approximation. */
- var->updated = install_new_value (var, val, 0 /* Compare values. */);
- input_radix = saved_input_radix;
- return 1;
+ input_radix = 10; /* ALWAYS reset to decimal temporarily */
+ exp = parse_exp_1 (&s, 0, 0);
+ if (!gdb_evaluate_expression (exp, &value))
+ {
+ /* We cannot proceed without a valid expression. */
+ xfree (exp);
+ return 0;
}
- return 0;
+ /* All types that are editable must also be changeable. */
+ gdb_assert (varobj_value_is_changeable_p (var));
+
+ /* The value of a changeable variable object must not be lazy. */
+ gdb_assert (!value_lazy (var->value));
+
+ /* Need to coerce the input. We want to check if the
+ value of the variable object will be different
+ after assignment, and the first thing value_assign
+ does is coerce the input.
+ For example, if we are assigning an array to a pointer variable we
+ should compare the pointer with the the array's address, not with the
+ array's content. */
+ value = coerce_array (value);
+
+ /* The new value may be lazy. gdb_value_assign, or
+ rather value_contents, will take care of this.
+ If fetching of the new value will fail, gdb_value_assign
+ with catch the exception. */
+ if (!gdb_value_assign (var->value, value, &val))
+ return 0;
+
+ /* If the value has changed, record it, so that next -var-update can
+ report this change. If a variable had a value of '1', we've set it
+ to '333' and then set again to '1', when -var-update will report this
+ variable as changed -- because the first assignment has set the
+ 'updated' flag. There's no need to optimize that, because return value
+ of -var-update should be considered an approximation. */
+ var->updated = install_new_value (var, val, 0 /* Compare values. */);
+ input_radix = saved_input_radix;
+ return 1;
}
/* Returns a malloc'ed list with all root variable objects */
return value;
}
-/* Is this variable editable? Use the variable's type to make
- this determination. */
-static int
-variable_editable (struct varobj *var)
-{
- return (*var->root->lang->variable_editable) (var);
-}
-
/* GDB already has a command called "value_of_variable". Sigh. */
static char *
my_value_of_variable (struct varobj *var)
return thevalue;
}
+int
+varobj_editable_p (struct varobj *var)
+{
+ struct type *type;
+ struct value *value;
+
+ if (!(var->root->is_valid && var->value && VALUE_LVAL (var->value)))
+ return 0;
+
+ type = get_value_type (var);
+
+ switch (TYPE_CODE (type))
+ {
+ case TYPE_CODE_STRUCT:
+ case TYPE_CODE_UNION:
+ case TYPE_CODE_ARRAY:
+ case TYPE_CODE_FUNC:
+ case TYPE_CODE_METHOD:
+ return 0;
+ break;
+
+ default:
+ return 1;
+ break;
+ }
+}
+
/* Return non-zero if changes in value of VAR
must be detected and reported by -var-update.
Return zero is -var-update should never report
return type;
}
-static int
-c_variable_editable (struct varobj *var)
-{
- switch (TYPE_CODE (get_value_type (var)))
- {
- case TYPE_CODE_STRUCT:
- case TYPE_CODE_UNION:
- case TYPE_CODE_ARRAY:
- case TYPE_CODE_FUNC:
- case TYPE_CODE_METHOD:
- return 0;
- break;
-
- default:
- return 1;
- break;
- }
-}
-
static char *
c_value_of_variable (struct varobj *var)
{
return type;
}
-static int
-cplus_variable_editable (struct varobj *var)
-{
- if (CPLUS_FAKE_CHILD (var))
- return 0;
-
- return c_variable_editable (var);
-}
-
static char *
cplus_value_of_variable (struct varobj *var)
{
return cplus_type_of_child (parent, index);
}
-static int
-java_variable_editable (struct varobj *var)
-{
- return cplus_variable_editable (var);
-}
-
static char *
java_value_of_variable (struct varobj *var)
{
projects / binutils-gdb.git / commitdiff