flup/src/object-type.c

90 lines
2.4 KiB
C

#include "object-type.h"
#include "value.h"
int ObjectType_Create(ObjectType* self, StringView name, ObjectType* supertype, size_t attribute_count_guess, allocator_t* allocator)
{
struct HashMapConfig config = HashMap_DefaultConfig();
config.allocator = allocator;
int hashmap_code = HashMap_Create(&self->attributes, &config, attribute_count_guess * (1 / config.load_factor) + 1);
if (hashmap_code) {
return hashmap_code;
}
self->name = name;
return EXIT_SUCCESS;
}
void ObjectType_Destroy(ObjectType* self)
{
HashMap_Destroy(&self->attributes);
}
int ObjectType_DefineObjectAttribute(ObjectType* self, ObjectType* attribute_type, StringView attribute_name)
{
ObjectTypeAttribute attribute = {
.name = attribute_name,
VALUETYPE_OBJECT,
attribute_type,
HashMap_Size(&self->attributes),
};
return HashMap_Put(&self->attributes, attribute_name.source, attribute_name.length, &attribute);
}
int ObjectType_DefinePrimitiveAttribute(ObjectType* self, enum ValueType attribute_type, StringView attribute_name)
{
ObjectTypeAttribute attribute = {
.name = attribute_name,
attribute_type,
NULL,
HashMap_Size(&self->attributes),
};
return HashMap_Put(&self->attributes, attribute_name.source, attribute_name.length, &attribute);
}
size_t ObjectType_GetAttributeCount(ObjectType* self)
{
return HashMap_Size(&self->attributes);
}
int ObjectType_ContextualDestroy(void* arg, ObjectType* self)
{
(void) arg;
ObjectType_Destroy(self);
return EXIT_SUCCESS;
}
size_t ObjectType_SizeQuery(void* arg, ObjectType* self)
{
return sizeof(*self);
}
typedef struct AttributeVisitorContext_s {
TracingHeapVisit visit;
void* visit_context;
} AttributeVisitorContext;
static int _ObjectType_VisitAttribute(AttributeVisitorContext* context, char* name, size_t name_length, ObjectTypeAttribute* attribute)
{
if (attribute->type == VALUETYPE_OBJECT) {
return context->visit(context->visit_context, attribute->object_type);
}
return EXIT_SUCCESS;
}
int ObjectType_TraceReferences(void* context, ObjectType* type, TracingHeapVisit trace_callback, void* callback_context)
{
int trace_code = trace_callback(callback_context, type->supertype);
if (trace_code != EXIT_SUCCESS) {
return trace_code;
}
AttributeVisitorContext visitor_context = {
.visit = trace_callback,
.visit_context = callback_context,
};
HashMap_ForEach(&type->attributes, (HashMapVisitFunction) _ObjectType_VisitAttribute, &visitor_context);
return EXIT_SUCCESS;
}