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[qwaq] Calculate type sizes for compound types

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Bill Currie 2021-06-04 13:34:15 +09:00
parent 7275d9bbf5
commit 22b9bb29f6
2 changed files with 45 additions and 0 deletions
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1
ruamoko/qwaq/debugger/typeencodings.h
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@ -8,6 +8,7 @@
@interface TypeEncodings : Object
+(qfot_type_t *)getType:(unsigned)typeAddr fromTarget:(qdb_target_t)target;
+(int)typeSize:(qfot_type_t *)type;
@end
#endif//__qwaq_debugger_typeencodings_h

44
ruamoko/qwaq/debugger/typeencodings.r
View file

@ -191,4 +191,48 @@ error:
return nil;
}
+(int)typeSize:(qfot_type_t *)type
{
qfot_type_t *aux_type;
int size = 0;
switch (type.meta) {
case ty_basic:
size = pr_type_size[type.type];
break;
case ty_array:
aux_type = type.array.type;
size = type.array.size * [TypeEncodings typeSize:aux_type];
break;
case ty_struct:
for (int i = 0; i < type.strct.num_fields; i++) {
aux_type = type.strct.fields[i].type;
size += [TypeEncodings typeSize:aux_type];
}
break;
case ty_union:
for (int i = 0; i < type.strct.num_fields; i++) {
aux_type = type.strct.fields[i].type;
int s = [TypeEncodings typeSize:aux_type];
if (s > size) {
size = s;
}
}
break;
case ty_enum:
// enums are ints
size = pr_type_size[ev_integer];
break;
case ty_class:
//FIXME
size = 1;
break;
case ty_alias:
aux_type = type.alias.aux_type;
size = [TypeEncodings typeSize:aux_type];
break;
}
return size;
}
@end