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[CODIFF]: Find structs that were removed 

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2006-12-24 13:35:21 -02:00
parent 349463c0ca
commit ef4fe6ebac
1 changed files with 42 additions and 8 deletions
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50
codiff.c
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@ -174,11 +174,16 @@ static void diff_struct(const struct cu *new_cu, struct class *structure)
assert(structure->tag.tag == DW_TAG_structure_type);
if (structure->size == 0)
if (structure->size == 0 || structure->name == NULL)
return;
new_structure = cu__find_class_by_name(new_cu, structure->name);
if (new_structure == NULL || new_structure->size == 0)
if (new_structure == NULL) {
structure->diff = 1;
goto out;
}
if (new_structure->size == 0)
return;
assert(new_structure->tag.tag == DW_TAG_structure_type);
@ -189,6 +194,7 @@ static void diff_struct(const struct cu *new_cu, struct class *structure)
new_structure, 0);
if (!structure->diff)
return;
out:
++structure->cu->nr_structures_changed;
len = strlen(structure->name) + sizeof("struct");
if (len > structure->cu->max_len_changed_item)
@ -232,13 +238,36 @@ static int find_new_functions_iterator(struct function *function, void *old_cu)
return 0;
}
static int find_new_classes_iterator(struct class *class, void *old_cu)
{
size_t len;
if (class->tag.tag != DW_TAG_structure_type || class->name == NULL)
return 0;
if (class->size == 0)
return 0;
if (cu__find_class_by_name(old_cu, class->name) != NULL)
return 0;
class->diff = 1;
++class->cu->nr_structures_changed;
len = strlen(class->name) + sizeof("struct");
if (len > class->cu->max_len_changed_item)
class->cu->max_len_changed_item = len;
class->class_to_diff = NULL;
return 0;
}
static int cu_find_new_classes_iterator(struct cu *new_cu, void *old_cus)
{
struct cu *old_cu = cus__find_cu_by_name(old_cus, new_cu->name);
if (old_cu != NULL) {
//cu__for_each_class(new_cu, diff_class_iterator,
// old_cu, NULL);
cu__for_each_class(new_cu, find_new_classes_iterator,
old_cu, NULL);
cu__for_each_function(new_cu, find_new_functions_iterator,
old_cu, NULL);
}
@ -335,7 +364,7 @@ static void print_terse_type_changes(const struct class *structure)
static void show_diffs_structure(const struct class *structure)
{
const struct class *new_structure = structure->class_to_diff;
int diff = new_structure->size - structure->size;
int diff = (new_structure != NULL ? new_structure->size : 0) - structure->size;
terse_type_changes = 0;
@ -351,15 +380,20 @@ static void show_diffs_structure(const struct class *structure)
if (!verbose && !show_terse_type_changes)
return;
diff = new_structure->nr_members - structure->nr_members;
if (new_structure == NULL)
diff = -structure->nr_members;
else
diff = new_structure->nr_members - structure->nr_members;
if (diff != 0) {
terse_type_changes |= TCHANGEF__NR_MEMBERS;
if (!show_terse_type_changes) {
printf(" nr_members: %+d\n", diff);
show_nr_members_changes(structure, new_structure);
if (new_structure != NULL)
show_nr_members_changes(structure, new_structure);
}
}
check_print_members_changes(structure, new_structure, 1);
if (new_structure != NULL)
check_print_members_changes(structure, new_structure, 1);
if (show_terse_type_changes)
print_terse_type_changes(structure);
}