#include <Eina.h>
#include "eo_lexer.h"
#include "eolian_database.h"

#define PROP_GET_RETURN_DFLT_VAL "property_get_return_dflt_val"
#define PROP_SET_RETURN_DFLT_VAL "property_set_return_dflt_val"
#define METHOD_RETURN_DFLT_VAL "method_return_dflt_val"

#define EOLIAN_METHOD_RETURN_TYPE "method_return_type"
#define EOLIAN_PROP_GET_RETURN_TYPE "property_get_return_type"
#define EOLIAN_PROP_SET_RETURN_TYPE "property_set_return_type"

#define EOLIAN_METHOD_RETURN_COMMENT "method_return_comment"
#define EOLIAN_PROP_GET_RETURN_COMMENT "property_get_return_comment"
#define EOLIAN_PROP_SET_RETURN_COMMENT "property_set_return_comment"

static Eina_Hash *_classes = NULL;
static Eina_Hash *_filenames = NULL; /* Hash: filename without extension -> full path */
static int _database_init_count = 0;

typedef struct
{
   Eina_Stringshare *name;
   Eina_Stringshare *file;
   Eolian_Class_Type type;
   Eina_Stringshare *description;
   Eina_Stringshare *legacy_prefix;
   Eina_Stringshare *eo_prefix;
   Eina_Stringshare *data_type;
   Eina_List *inherits; /* List Eina_Stringshare * */
   Eina_List *properties; /* List prop_name -> _Function_Id */
   Eina_List *methods; /* List meth_name -> _Function_Id */
   Eina_List *constructors; /* List constructor_name -> _Function_Id */
   Eina_List *implements; /* List implements name -> _Implement_Desc */
   Eina_List *events; /* List event_name -> _Event_Desc */
   Eina_Bool class_ctor_enable:1;
   Eina_Bool class_dtor_enable:1;
} Class_desc;

typedef struct
{
   Eina_Stringshare *name;
   Eina_List *keys; /* list of _Parameter_Desc */
   Eina_List *params; /* list of _Parameter_Desc */
   Eolian_Function_Type type;
   Eolian_Function_Scope scope;
   Eolian_Type get_ret_type;
   Eolian_Type set_ret_type;
   Eina_Hash *data;
   Eina_Bool obj_is_const :1; /* True if the object has to be const. Useful for a few methods. */
   Eina_Bool get_virtual_pure :1;
   Eina_Bool set_virtual_pure :1;
   Eina_Bool get_return_warn_unused :1; /* also used for methods */
   Eina_Bool set_return_warn_unused :1;
} _Function_Id;

typedef struct
{
   Eina_Stringshare *name;
   Eolian_Type type;
   Eina_Stringshare *description;
   Eolian_Parameter_Dir param_dir;
   Eina_Bool is_const_on_get :1; /* True if const in this the get property */
   Eina_Bool is_const_on_set :1; /* True if const in this the set property */
   Eina_Bool nonull :1; /* True if this argument cannot be NULL */
} _Parameter_Desc;

typedef struct
{
   EINA_INLIST;
   Eina_Stringshare *name;
   Eina_Bool is_own :1; /* True if the ownership of this argument passes to the caller/callee */
} _Parameter_Type;

typedef struct
{
   Eina_Stringshare *eo_param;
   Eina_Stringshare *leg_param;
   Eina_Stringshare *comment;
} _Implement_Legacy_Param;

typedef struct
{
   Eina_Stringshare *legacy_function_name;
   Eina_List *params; /* List of Eolian_Implement_Legacy_Parameter */
   Eina_Stringshare *ret_type;
   Eina_Stringshare *ret_value;
} _Implement_Legacy_Desc;

typedef struct
{
   Eina_Stringshare *class_name;
   Eina_Stringshare *func_name;
   Eolian_Function_Type type;
   Eolian_Implement_Legacy leg_desc;
} _Implement_Desc;

typedef struct
{
   Eina_Stringshare *name;
   Eina_Stringshare *type;
   Eina_Stringshare *comment;
} _Event_Desc;

static void
_param_del(_Parameter_Desc *pdesc)
{
   eina_stringshare_del(pdesc->name);

   database_type_del(pdesc->type);
   eina_stringshare_del(pdesc->description);
   free(pdesc);
}

void
database_type_del(Eolian_Type type)
{
   while (type)
     {
        _Parameter_Type *ptype = (_Parameter_Type *) type;
        eina_stringshare_del(ptype->name);
        type = eina_inlist_remove(type, EINA_INLIST_GET(ptype));
        free(ptype);
     }
}

static void
_fid_del(_Function_Id *fid)
{
   _Parameter_Desc *param;
   if (!fid) return;
   eina_stringshare_del(fid->name);
   eina_hash_free(fid->data);
   EINA_LIST_FREE(fid->keys, param) _param_del(param);
   EINA_LIST_FREE(fid->params, param) _param_del(param);
   database_type_del(fid->get_ret_type);
   database_type_del(fid->set_ret_type);
   free(fid);
}

static void
_class_del(Class_desc *class)
{
   Eina_Stringshare *inherit_name;
   Eina_List *inherits = class->inherits;
   EINA_LIST_FREE(inherits, inherit_name)
      eina_stringshare_del(inherit_name);

   _Implement_Desc *impl;
   Eina_List *implements = class->implements;
   EINA_LIST_FREE(implements, impl)
     {
        eina_stringshare_del(impl->class_name);
        eina_stringshare_del(impl->func_name);
        free(impl);
     }

   _Function_Id *fid;
   Eolian_Event ev;
   EINA_LIST_FREE(class->constructors, fid) _fid_del(fid);
   EINA_LIST_FREE(class->methods, fid) _fid_del(fid);
   EINA_LIST_FREE(class->properties, fid) _fid_del(fid);
   EINA_LIST_FREE(class->events, ev) database_event_free(ev);

   eina_stringshare_del(class->name);
   eina_stringshare_del(class->file);
   eina_stringshare_del(class->description);
   eina_stringshare_del(class->legacy_prefix);
   eina_stringshare_del(class->eo_prefix);
   eina_stringshare_del(class->data_type);
   free(class);
}

void _hash_free_cb(void *data)
{
   Class_desc *cl = data;
   _class_del(cl);
}

static Class_desc *
_class_get(const char *class_name)
{
   Eina_Stringshare *shr = eina_stringshare_add(class_name);
   Class_desc *cl = eina_hash_find(_classes, shr);
   eina_stringshare_del(shr);
   EINA_SAFETY_ON_NULL_RETURN_VAL(class_name, NULL);
   return cl;
}

int
database_init()
{
   if (_database_init_count > 0) return ++_database_init_count;
   eina_init();
   _classes = eina_hash_stringshared_new(_hash_free_cb);
   _filenames = eina_hash_string_small_new(free);
   return ++_database_init_count;
}

int
database_shutdown()
{
   if (_database_init_count <= 0)
     {
        ERR("Init count not greater than 0 in shutdown.");
        return 0;
     }
   _database_init_count--;

   if (_database_init_count == 0)
     {
        eina_hash_free(_classes);
        eina_hash_free(_filenames);
        eina_shutdown();
     }
   return _database_init_count;
}

Eina_Bool
database_class_add(const char *class_name, Eolian_Class_Type type)
{
   if (_classes)
     {
        Class_desc *desc = calloc(1, sizeof(*desc));
        desc->name = eina_stringshare_add(class_name);
        desc->type = type;
        eina_hash_set(_classes, desc->name, desc);
     }
   return EINA_TRUE;
}

Eina_Bool
database_class_file_set(const char *class_name, const char *file_name)
{
   Class_desc *cl = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(cl, EINA_FALSE);
   cl->file = eina_stringshare_add(file_name);
   return EINA_TRUE;
}

EAPI const char *
eolian_class_file_get(const char *class_name)
{
   Class_desc *cl = _class_get(class_name);
   return cl ? cl->file : NULL;
}

EAPI const char *
eolian_class_find_by_file(const char *file_name)
{
   const Eina_List *names_list = eolian_class_names_list_get();
   const Eina_List *itr;
   const char *class_name;
   Eina_Stringshare *shr_file = eina_stringshare_add(file_name);
   EINA_LIST_FOREACH(names_list, itr, class_name)
     {
        Class_desc *cl = _class_get(class_name);
        if (cl->file == shr_file)
          {
             eina_stringshare_del(shr_file);
             return class_name;
          }
     }
   eina_stringshare_del(shr_file);
   return NULL;
}

EAPI Eolian_Class_Type
eolian_class_type_get(const char *class_name)
{
   Class_desc *cl = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(cl, EOLIAN_CLASS_UNKNOWN_TYPE);
   return cl->type;
}

Eina_Bool
database_class_del(const char *class_name)
{
   Class_desc *cl = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(cl, EINA_FALSE);
   eina_hash_del(_classes, class_name, NULL);
   _class_del(cl);
   return EINA_TRUE;
}

static Eina_Bool _class_name_get(const Eina_Hash *hash EINA_UNUSED, const void *key EINA_UNUSED, void *data, void *fdata)
{
   Class_desc *desc = data;
   Eina_List **list = fdata;
   EINA_SAFETY_ON_FALSE_RETURN_VAL(desc && list , EINA_FALSE);
   *list = eina_list_append(*list, desc->name);
   return EINA_TRUE;
}

EAPI const Eina_List *
eolian_class_names_list_get(void)
{
   Eina_List *list = NULL;
   eina_hash_foreach(_classes, _class_name_get, &list);
   return list;
}

EAPI Eina_Bool
eolian_class_exists(const char *class_name)
{
   return !!_class_get(class_name);
}

Eina_Bool
database_class_inherit_add(const char *class_name, const char *inherit_class_name)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, EINA_FALSE);
   desc->inherits = eina_list_append(desc->inherits, eina_stringshare_add(inherit_class_name));
   return EINA_TRUE;
}

EAPI const char *
eolian_class_description_get(const char *class_name)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, EINA_FALSE);
   return desc->description;
}

void
database_class_description_set(const char *class_name, const char *description)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN(desc);
   desc->description = eina_stringshare_add(description);
}

EAPI const char*
eolian_class_legacy_prefix_get(const char *class_name)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, NULL);
   return desc->legacy_prefix;
}

void
database_class_legacy_prefix_set(const char *class_name, const char *legacy_prefix)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN(desc);
   desc->legacy_prefix = eina_stringshare_add(legacy_prefix);
}

EAPI const char*
eolian_class_eo_prefix_get(const char *class_name)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, NULL);
   return desc->eo_prefix;
}

void
database_class_eo_prefix_set(const char *class_name, const char *eo_prefix)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN(desc);
   desc->eo_prefix = eina_stringshare_add(eo_prefix);
}

EAPI const char*
eolian_class_data_type_get(const char *class_name)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, NULL);
   return desc->data_type;
}

void
database_class_data_type_set(const char *class_name, const char *data_type)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN(desc);
   desc->data_type= eina_stringshare_add(data_type);
}

EAPI const Eina_List *
eolian_class_inherits_list_get(const char *class_name)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, NULL);
   return desc->inherits;
}

EAPI const Eina_List*
eolian_class_implements_list_get(const char *class_name)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, NULL);
   return desc->implements;
}

Eolian_Function
database_function_new(const char *function_name, Eolian_Function_Type foo_type)
{
   _Function_Id *fid = calloc(1, sizeof(*fid));
   fid->name = eina_stringshare_add(function_name);
   fid->type = foo_type;
   fid->data  = eina_hash_string_superfast_new(free);
   return (Eolian_Function) fid;
}

EAPI Eolian_Function_Scope
eolian_function_scope_get(Eolian_Function function_id)
{
   _Function_Id *fid = (_Function_Id *)function_id;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, EOLIAN_SCOPE_PUBLIC);
   return fid->scope;
}

void
database_function_scope_set(Eolian_Function function_id, Eolian_Function_Scope scope)
{
   _Function_Id *fid = (_Function_Id *)function_id;
   EINA_SAFETY_ON_NULL_RETURN(fid);
   fid->scope = scope;
}

void
database_function_type_set(Eolian_Function function_id, Eolian_Function_Type foo_type)
{
   _Function_Id *fid = (_Function_Id *)function_id;
   EINA_SAFETY_ON_NULL_RETURN(fid);
   switch (foo_type)
     {
      case EOLIAN_PROP_SET:
         if (fid->type == EOLIAN_PROP_GET) foo_type = EOLIAN_PROPERTY;
         break;
      case EOLIAN_PROP_GET:
         if (fid->type == EOLIAN_PROP_SET) foo_type = EOLIAN_PROPERTY;
         break;
      default:
         break;
     }
   fid->type = foo_type;
}

Eina_Bool database_class_function_add(const char *class_name, Eolian_Function foo_id)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, EINA_FALSE);
   EINA_SAFETY_ON_FALSE_RETURN_VAL(foo_id && desc, EINA_FALSE);
   _Function_Id *fid = (_Function_Id *) foo_id;
   switch (fid->type)
     {
      case EOLIAN_PROPERTY:
      case EOLIAN_PROP_SET:
      case EOLIAN_PROP_GET:
         desc->properties = eina_list_append(desc->properties, foo_id);
         break;
      case EOLIAN_METHOD:
         desc->methods = eina_list_append(desc->methods, foo_id);
         break;
      case EOLIAN_CTOR:
         desc->constructors = eina_list_append(desc->constructors, foo_id);
         break;
      default:
         ERR("Bad function type %d.", fid->type);
         return EINA_FALSE;
     }
   return EINA_TRUE;
}

Eolian_Implement
database_implement_new(const char *class_name, const char *func_name, Eolian_Function_Type type)
{
   EINA_SAFETY_ON_FALSE_RETURN_VAL(class_name && func_name, NULL);
   _Implement_Desc *impl_desc = calloc(1, sizeof(_Implement_Desc));
   EINA_SAFETY_ON_NULL_RETURN_VAL(impl_desc, NULL);
   impl_desc->class_name = eina_stringshare_add(class_name);
   impl_desc->func_name = eina_stringshare_add(func_name);
   impl_desc->type = type;
   return (Eolian_Implement) impl_desc;
}

Eina_Bool
database_class_implement_add(const char *class_name, Eolian_Implement impl_desc)
{
   EINA_SAFETY_ON_NULL_RETURN_VAL(impl_desc, EINA_FALSE);
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, EINA_FALSE);
   desc->implements = eina_list_append(desc->implements, impl_desc);
   return EINA_TRUE;
}

EAPI Eina_Bool
eolian_implement_information_get(Eolian_Implement impl, const char **class_name, const char **func_name, Eolian_Function_Type *type)
{
   _Implement_Desc *_impl = (_Implement_Desc *)impl;
   EINA_SAFETY_ON_NULL_RETURN_VAL(_impl, EINA_FALSE);
   if (class_name) *class_name = _impl->class_name;
   if (func_name) *func_name = _impl->func_name;
   if (type) *type = _impl->type;
   return EINA_TRUE;
}

EAPI Eolian_Function
eolian_class_function_find_by_name(const char *class_name, const char *func_name, Eolian_Function_Type f_type)
{
   Eina_List *itr;
   Eolian_Function foo_id;
   Class_desc *desc = _class_get(class_name);
   if (!desc) return NULL;

   if (f_type == EOLIAN_UNRESOLVED || f_type == EOLIAN_METHOD)
      EINA_LIST_FOREACH(desc->methods, itr, foo_id)
        {
           _Function_Id *fid = (_Function_Id *) foo_id;
           if (!strcmp(fid->name, func_name))
              return foo_id;
        }

   if (f_type == EOLIAN_UNRESOLVED || f_type == EOLIAN_PROPERTY ||
         f_type == EOLIAN_PROP_SET || f_type == EOLIAN_PROP_GET)
     {
        EINA_LIST_FOREACH(desc->properties, itr, foo_id)
          {
             _Function_Id *fid = (_Function_Id *) foo_id;
             if (!strcmp(fid->name, func_name))
                return foo_id;
          }
     }

   if (f_type == EOLIAN_UNRESOLVED || f_type == EOLIAN_CTOR)
     {
        EINA_LIST_FOREACH(desc->constructors, itr, foo_id)
          {
             _Function_Id *fid = (_Function_Id *) foo_id;
             if (!strcmp(fid->name, func_name))
                return foo_id;
          }
     }

   ERR("Function %s not found in class %s", func_name, class_name);
   return NULL;
}

EAPI const Eina_List *
eolian_class_functions_list_get(const char *class_name, Eolian_Function_Type foo_type)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, NULL);
   switch (foo_type)
     {
      case EOLIAN_PROPERTY:
         return desc->properties;
      case EOLIAN_METHOD:
         return desc->methods;
      case EOLIAN_CTOR:
         return desc->constructors;
      default: return NULL;
     }
}

EAPI Eolian_Function_Type
eolian_function_type_get(Eolian_Function function_id)
{
   _Function_Id *fid = (_Function_Id *)function_id;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, EOLIAN_UNRESOLVED);
   return fid->type;
}

EAPI const char *
eolian_function_name_get(Eolian_Function function_id)
{
   _Function_Id *fid = (_Function_Id *)function_id;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, NULL);
   return fid->name;
}

Eina_Bool
database_function_set_as_virtual_pure(Eolian_Function function_id, Eolian_Function_Type ftype)
{
   _Function_Id *fid = (_Function_Id *)function_id;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, EINA_FALSE);
   switch (ftype)
     {
      case EOLIAN_UNRESOLVED: case EOLIAN_METHOD: case EOLIAN_PROP_GET: fid->get_virtual_pure = EINA_TRUE; break;
      case EOLIAN_PROP_SET: fid->set_virtual_pure = EINA_TRUE; break;
      default: return EINA_FALSE;
     }
   return EINA_TRUE;
}

EAPI Eina_Bool
eolian_function_is_virtual_pure(Eolian_Function function_id, Eolian_Function_Type ftype)
{
   _Function_Id *fid = (_Function_Id *)function_id;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, EINA_FALSE);
   switch (ftype)
     {
      case EOLIAN_UNRESOLVED: case EOLIAN_METHOD: case EOLIAN_PROP_GET: return fid->get_virtual_pure; break;
      case EOLIAN_PROP_SET: return fid->set_virtual_pure; break;
      default: return EINA_FALSE;
     }
}

void
database_function_data_set(Eolian_Function function_id, const char *key, const char *data)
{
   EINA_SAFETY_ON_NULL_RETURN(key);
   _Function_Id *fid = (_Function_Id *)function_id;
   EINA_SAFETY_ON_NULL_RETURN(fid);
   if (data)
     {
        if (!eina_hash_find(fid->data, key))
          eina_hash_set(fid->data, key, strdup(data));
     }
   else
     {
        eina_hash_del(fid->data, key, NULL);
     }
}

EAPI const char *
eolian_function_data_get(Eolian_Function function_id, const char *key)
{
   _Function_Id *fid = (_Function_Id *)function_id;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, NULL);
   return eina_hash_find(fid->data, key);
}

static _Parameter_Desc *
_parameter_new(Eolian_Type type, const char *name, const char *description)
{
   _Parameter_Desc *param = NULL;
   param = calloc(1, sizeof(*param));
   param->name = eina_stringshare_add(name);
   param->type = type;
   param->description = eina_stringshare_add(description);
   return param;
}

Eolian_Function_Parameter
database_property_key_add(Eolian_Function foo_id, Eolian_Type type, const char *name, const char *description)
{
   _Function_Id *fid = (_Function_Id *)foo_id;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, NULL);
   _Parameter_Desc *param = _parameter_new(type, name, description);
   fid->keys = eina_list_append(fid->keys, param);
   return (Eolian_Function_Parameter)param;
}

Eolian_Function_Parameter
database_property_value_add(Eolian_Function foo_id, Eolian_Type type, const char *name, const char *description)
{
   _Function_Id *fid = (_Function_Id *)foo_id;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, NULL);
   _Parameter_Desc *param = _parameter_new(type, name, description);
   fid->params = eina_list_append(fid->params, param);
   return (Eolian_Function_Parameter)param;
}

Eolian_Function_Parameter
database_method_parameter_add(Eolian_Function foo_id, Eolian_Parameter_Dir param_dir, Eolian_Type type, const char *name, const char *description)
{
   _Function_Id *fid = (_Function_Id *)foo_id;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, NULL);
   _Parameter_Desc *param = _parameter_new(type, name, description);
   param->param_dir = param_dir;
   fid->params = eina_list_append(fid->params, param);
   return (Eolian_Function_Parameter)param;
}

EAPI Eolian_Function_Parameter
eolian_function_parameter_get(const Eolian_Function foo_id, const char *param_name)
{
   _Function_Id *fid = (_Function_Id *)foo_id;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, NULL);
   Eina_List *itr;
   _Parameter_Desc *param;
   EINA_LIST_FOREACH(fid->keys, itr, param)
      if (!strcmp(param->name, param_name)) return (Eolian_Function_Parameter)param;
   EINA_LIST_FOREACH(fid->params, itr, param)
      if (!strcmp(param->name, param_name)) return (Eolian_Function_Parameter)param;
   return NULL;
}

EAPI Eina_Stringshare *
eolian_parameter_type_get(const Eolian_Function_Parameter param)
{
   EINA_SAFETY_ON_NULL_RETURN_VAL(param, NULL);
   _Parameter_Type *type = (_Parameter_Type *)((_Parameter_Desc *)param)->type;
   eina_stringshare_ref(type->name);
   return type->name;
}

EAPI Eina_Stringshare *
eolian_parameter_name_get(const Eolian_Function_Parameter param)
{
   EINA_SAFETY_ON_NULL_RETURN_VAL(param, NULL);
   eina_stringshare_ref(((_Parameter_Desc*)param)->name);
   return ((_Parameter_Desc*)param)->name;
}

EAPI const Eina_List *
eolian_property_keys_list_get(Eolian_Function foo_id)
{
   _Function_Id *fid = (_Function_Id *)foo_id;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, NULL);
   return fid->keys;
}

EAPI const Eina_List *
eolian_property_values_list_get(Eolian_Function foo_id)
{
   return eolian_parameters_list_get(foo_id);
}

EAPI const Eina_List *
eolian_parameters_list_get(Eolian_Function foo_id)
{
   _Function_Id *fid = (_Function_Id *)foo_id;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, NULL);
   return fid->params;
}

/* Get parameter information */
EAPI void
eolian_parameter_information_get(const Eolian_Function_Parameter param_desc, Eolian_Parameter_Dir *param_dir, const char **type, const char **name, const char **description)
{
   _Parameter_Desc *param = (_Parameter_Desc *)param_desc;
   EINA_SAFETY_ON_NULL_RETURN(param);
   _Parameter_Type *ptype = (_Parameter_Type *)((_Parameter_Desc *)param)->type;
   if (param_dir) *param_dir = param->param_dir;
   if (type) *type = ptype->name;
   if (name) *name = param->name;
   if (description) *description = param->description;
}

void
database_parameter_const_attribute_set(Eolian_Function_Parameter param_desc, Eina_Bool is_get, Eina_Bool is_const)
{
   _Parameter_Desc *param = (_Parameter_Desc *)param_desc;
   EINA_SAFETY_ON_NULL_RETURN(param);
   if (is_get)
      param->is_const_on_get = is_const;
   else
      param->is_const_on_set = is_const;
}

EAPI Eolian_Type
eolian_parameter_types_list_get(const Eolian_Function_Parameter param_desc)
{
   _Parameter_Desc *param = (_Parameter_Desc *)param_desc;
   EINA_SAFETY_ON_NULL_RETURN_VAL(param, NULL);
   return param->type;
}

EAPI Eolian_Type
eolian_type_information_get(Eolian_Type list, const char **name, Eina_Bool *own)
{
   _Parameter_Type *type = (_Parameter_Type *)list;
   if (name) *name = type->name;
   if (own) *own = type->is_own;
   return list->next;
}

Eolian_Type
database_type_append(Eolian_Type types, const char *name, Eina_Bool own)
{
   _Parameter_Type *type = calloc(1, sizeof(*type));
   type->name = eina_stringshare_add(name);
   type->is_own = own;
   if (types)
      return eina_inlist_append(types, EINA_INLIST_GET(type));
   else
      return EINA_INLIST_GET(type);
}

void
database_parameter_type_set(Eolian_Function_Parameter param_desc, Eolian_Type types)
{
   _Parameter_Desc *param = (_Parameter_Desc *)param_desc;
   EINA_SAFETY_ON_NULL_RETURN(param);
   param->type = types;
}

EAPI Eina_Bool
eolian_parameter_const_attribute_get(Eolian_Function_Parameter param_desc, Eina_Bool is_get)
{
   _Parameter_Desc *param = (_Parameter_Desc *)param_desc;
   EINA_SAFETY_ON_NULL_RETURN_VAL(param, EINA_FALSE);
   if (is_get)
      return param->is_const_on_get;
   else
      return param->is_const_on_set;
}

void
database_parameter_nonull_set(Eolian_Function_Parameter param_desc, Eina_Bool nonull)
{
   _Parameter_Desc *param = (_Parameter_Desc *)param_desc;
   EINA_SAFETY_ON_NULL_RETURN(param);
   param->nonull = nonull;
}

EAPI Eina_Bool
eolian_parameter_is_nonull(Eolian_Function_Parameter param_desc)
{
   _Parameter_Desc *param = (_Parameter_Desc *)param_desc;
   EINA_SAFETY_ON_NULL_RETURN_VAL(param, EINA_FALSE);
   return param->nonull;
}

void database_function_return_type_set(Eolian_Function foo_id, Eolian_Function_Type ftype, Eolian_Type ret_type)
{
   _Function_Id *fid = (_Function_Id *)foo_id;
   switch (ftype)
     {
      case EOLIAN_PROP_SET: fid->set_ret_type = ret_type; break;
      case EOLIAN_UNRESOLVED: case EOLIAN_METHOD: case EOLIAN_PROP_GET: fid->get_ret_type = ret_type; break;
      default: return;
     }
}

EAPI const char *
eolian_function_return_type_get(Eolian_Function foo_id, Eolian_Function_Type ftype)
{
   Eolian_Type types = eolian_function_return_types_list_get(foo_id, ftype);
   _Parameter_Type *type = (_Parameter_Type *)types;
   if (type) return type->name;
   else return NULL;
}

EAPI Eolian_Type
eolian_function_return_types_list_get(Eolian_Function foo_id, Eolian_Function_Type ftype)
{
   _Function_Id *fid = (_Function_Id *)foo_id;
   switch (ftype)
     {
      case EOLIAN_PROP_SET: return fid->set_ret_type;
      case EOLIAN_UNRESOLVED: case EOLIAN_METHOD: case EOLIAN_PROP_GET: return fid->get_ret_type;
      default: return NULL;
     }
}

void database_function_return_dflt_val_set(Eolian_Function foo_id, Eolian_Function_Type ftype, const char *ret_dflt_value)
{
   const char *key = NULL;
   switch (ftype)
     {
      case EOLIAN_PROP_SET: key = PROP_SET_RETURN_DFLT_VAL; break;
      case EOLIAN_PROP_GET: key = PROP_GET_RETURN_DFLT_VAL; break;
      case EOLIAN_METHOD: key = METHOD_RETURN_DFLT_VAL; break;
      default: return;
     }
   database_function_data_set(foo_id, key, ret_dflt_value);
}

EAPI const char *
eolian_function_return_dflt_value_get(Eolian_Function foo_id, Eolian_Function_Type ftype)
{
   const char *key = NULL;
   switch (ftype)
     {
      case EOLIAN_PROP_SET: key = PROP_SET_RETURN_DFLT_VAL; break;
      case EOLIAN_PROP_GET: key = PROP_GET_RETURN_DFLT_VAL; break;
      case EOLIAN_UNRESOLVED: case EOLIAN_METHOD: key = METHOD_RETURN_DFLT_VAL; break;
      default: return NULL;
     }
   return eolian_function_data_get(foo_id, key);
}

EAPI const char *
eolian_function_return_comment_get(Eolian_Function foo_id, Eolian_Function_Type ftype)
{
   const char *key = NULL;
   switch (ftype)
     {
      case EOLIAN_PROP_SET: key = EOLIAN_PROP_SET_RETURN_COMMENT; break;
      case EOLIAN_PROP_GET: key = EOLIAN_PROP_GET_RETURN_COMMENT; break;
      case EOLIAN_UNRESOLVED: case EOLIAN_METHOD: key = EOLIAN_METHOD_RETURN_COMMENT; break;
      default: return NULL;
     }
   return eolian_function_data_get(foo_id, key);
}

void database_function_return_comment_set(Eolian_Function foo_id, Eolian_Function_Type ftype, const char *ret_comment)
{
   const char *key = NULL;
   switch (ftype)
     {
      case EOLIAN_PROP_SET: key = EOLIAN_PROP_SET_RETURN_COMMENT; break;
      case EOLIAN_PROP_GET: key = EOLIAN_PROP_GET_RETURN_COMMENT; break;
      case EOLIAN_METHOD: key = EOLIAN_METHOD_RETURN_COMMENT; break;
      default: return;
     }
   database_function_data_set(foo_id, key, ret_comment);
}

void database_function_return_flag_set_as_warn_unused(Eolian_Function foo_id,
      Eolian_Function_Type ftype, Eina_Bool warn_unused)
{
   _Function_Id *fid = (_Function_Id *)foo_id;
   EINA_SAFETY_ON_NULL_RETURN(fid);
   switch (ftype)
     {
      case EOLIAN_METHOD: case EOLIAN_PROP_GET: fid->get_return_warn_unused = warn_unused; break;
      case EOLIAN_PROP_SET: fid->set_return_warn_unused = warn_unused; break;
      default: return;
     }
}

EAPI Eina_Bool
eolian_function_return_is_warn_unused(Eolian_Function foo_id,
      Eolian_Function_Type ftype)
{
   _Function_Id *fid = (_Function_Id *)foo_id;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, EINA_FALSE);
   switch (ftype)
     {
      case EOLIAN_METHOD: case EOLIAN_PROP_GET: return fid->get_return_warn_unused;
      case EOLIAN_PROP_SET: return fid->set_return_warn_unused;
      default: return EINA_FALSE;
     }
}

void
database_function_object_set_as_const(Eolian_Function foo_id, Eina_Bool is_const)
{
   _Function_Id *fid = (_Function_Id *)foo_id;
   EINA_SAFETY_ON_NULL_RETURN(fid);
   fid->obj_is_const = is_const;
}

EAPI Eina_Bool
eolian_function_object_is_const(Eolian_Function foo_id)
{
   _Function_Id *fid = (_Function_Id *)foo_id;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, EINA_FALSE);
   return fid->obj_is_const;
}

Eolian_Event
database_event_new(const char *event_name, const char *event_type, const char *event_comment)
{
   if (!event_name) return NULL;
   _Event_Desc *event_desc = calloc(1, sizeof(_Event_Desc));
   if (!event_desc) return NULL;
   event_desc->name = eina_stringshare_add(event_name);
   if (event_type) event_desc->type = eina_stringshare_add(event_type);
   event_desc->comment = eina_stringshare_add(event_comment);
   return (Eolian_Event) event_desc;
}

void
database_event_free(Eolian_Event event)
{
   _Event_Desc *event_desc = (_Event_Desc *)event;
   eina_stringshare_del(event_desc->name);
   eina_stringshare_del(event_desc->comment);
   free(event_desc);
}

Eina_Bool
database_class_event_add(const char *class_name, Eolian_Event event_desc)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_FALSE_RETURN_VAL(event_desc && desc, EINA_FALSE);
   desc->events = eina_list_append(desc->events, event_desc);
   return EINA_TRUE;
}

EAPI const Eina_List*
eolian_class_events_list_get(const char *class_name)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, NULL);
   return desc->events;
}

EAPI Eina_Bool
eolian_class_event_information_get(Eolian_Event event, const char **event_name, const char **event_type, const char **event_comment)
{
   _Event_Desc *_event_desc = (_Event_Desc *) event;
   EINA_SAFETY_ON_NULL_RETURN_VAL(_event_desc, EINA_FALSE);
   if (event_name) *event_name = _event_desc->name;
   if (event_type) *event_type = _event_desc->type;
   if (event_comment) *event_comment = _event_desc->comment;
   return EINA_TRUE;
}

Eina_Bool
database_class_ctor_enable_set(const char *class_name, Eina_Bool enable)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, EINA_FALSE);
   desc->class_ctor_enable = enable;
   return EINA_TRUE;
}

Eina_Bool
database_class_dtor_enable_set(const char *class_name, Eina_Bool enable)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, EINA_FALSE);
   desc->class_dtor_enable = enable;
   return EINA_TRUE;
}

EAPI Eina_Bool
eolian_class_ctor_enable_get(const char *class_name)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, EINA_FALSE);
   return desc->class_ctor_enable;
}

EAPI Eina_Bool
eolian_class_dtor_enable_get(const char *class_name)
{
   Class_desc *desc = _class_get(class_name);
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, EINA_FALSE);
   return desc->class_dtor_enable;
}

static void
_implements_print(Eolian_Implement impl, int nb_spaces)
{
   const char *t, *cl, *fn;
   Eolian_Function_Type ft;

   eolian_implement_information_get(impl, &cl, &fn, &ft);
   switch (ft)
     {
      case EOLIAN_PROP_SET: t = "SET"; break;
      case EOLIAN_PROP_GET: t = "GET"; break;
      case EOLIAN_METHOD: t = "METHOD"; break;
      case EOLIAN_UNRESOLVED:
           {
              t = "Type is the same as function being overriden";
              break;
           }
      default:
         return;
     }
   printf("%*s <%s :: %s> <%s>\n", nb_spaces + 5, "", cl, fn, t);
}

static void
_event_print(Eolian_Event ev, int nb_spaces)
{
   const char *name, *comment, *type;

   eolian_class_event_information_get(ev, &name, &type, &comment);
   printf("%*s <%s> <%s> <%s>\n", nb_spaces + 5, "", name, type, comment);
}

static Eina_Bool _function_print(const _Function_Id *fid, int nb_spaces)
{
   Eolian_Function foo_id = (Eolian_Function) fid;
   EINA_SAFETY_ON_NULL_RETURN_VAL(fid, EINA_FALSE);
   const char *ret_desc = eolian_function_return_comment_get(foo_id, fid->type);
   switch (fid->type)
     {
      case EOLIAN_PROPERTY:
           {
              printf("%*s<%s> %s\n", nb_spaces, "", ret_desc ? ret_desc : "", fid->name);
              const char *str = eolian_function_description_get(foo_id, EOLIAN_COMMENT_GET);
              if (str) printf("%*s<%s>\n", nb_spaces + 5, "", str);
              str = eolian_function_description_get(foo_id, EOLIAN_COMMENT_SET);
              if (str) printf("%*s<%s>\n", nb_spaces + 5, "", str);
              str = eolian_function_data_get(foo_id, EOLIAN_LEGACY_GET);
              if (str) printf("%*slegacy_get: <%s>\n", nb_spaces + 5, "", str);
              str = eolian_function_data_get(foo_id, EOLIAN_LEGACY_SET);
              if (str) printf("%*slegacy_set: <%s>\n", nb_spaces + 5, "", str);
              str = eolian_function_data_get(foo_id, EOLIAN_PROP_GET_RETURN_TYPE);
              if (str) printf("%*sreturn type for get: <%s>\n", nb_spaces + 5, "", str);
              str = eolian_function_data_get(foo_id, EOLIAN_PROP_SET_RETURN_TYPE);
              if (str) printf("%*sreturn type for set: <%s>\n", nb_spaces + 5, "", str);
              break;
           }
      case EOLIAN_PROP_GET:
           {
              printf("%*sGET:<%s> %s\n", nb_spaces, "", ret_desc ? ret_desc : "", fid->name);
              const char *str = eolian_function_description_get(foo_id, EOLIAN_COMMENT_GET);
              if (str) printf("%*s<%s>\n", nb_spaces + 5, "", str);
              str = eolian_function_data_get(foo_id, EOLIAN_LEGACY_GET);
              if (str) printf("%*slegacy: <%s>\n", nb_spaces + 5, "", str);
              str = eolian_function_data_get(foo_id, EOLIAN_PROP_GET_RETURN_TYPE);
              if (str) printf("%*sreturn type: <%s>\n", nb_spaces + 5, "", str);
              break;
           }
      case EOLIAN_PROP_SET:
           {
              printf("%*sSET:<%s> %s\n", nb_spaces, "", ret_desc ? ret_desc : "", fid->name);
              const char *str = eolian_function_description_get(foo_id, EOLIAN_COMMENT_SET);
              if (str) printf("%*s<%s>\n", nb_spaces + 5, "", str);
              str = eolian_function_data_get(foo_id, EOLIAN_LEGACY_SET);
              if (str) printf("%*slegacy: <%s>\n", nb_spaces + 5, "", str);
              str = eolian_function_data_get(foo_id, EOLIAN_PROP_SET_RETURN_TYPE);
              if (str) printf("%*sreturn type: <%s>\n", nb_spaces + 5, "", str);
              break;
           }
      case EOLIAN_METHOD:
           {
              printf("%*s<%s> %s\n", nb_spaces, "", ret_desc ? ret_desc : "", fid->name);
              const char *str = eolian_function_description_get(foo_id, EOLIAN_COMMENT);
              if (str) printf("%*s<%s>\n", nb_spaces + 5, "", str);
              str = eolian_function_data_get(foo_id, EOLIAN_LEGACY);
              if (str) printf("%*slegacy: <%s>\n", nb_spaces + 5, "", str);
              str = eolian_function_data_get(foo_id, EOLIAN_METHOD_RETURN_TYPE);
              if (str) printf("%*sreturn type: <%s>\n", nb_spaces + 5, "", str);
              if (fid->obj_is_const) printf("%*sobj const: <true>\n", nb_spaces + 5, "");
              break;
           }
      case EOLIAN_CTOR:
           {
              //char *str = eina_hash_find(fid->data, "comment");
              const char *str = eolian_function_description_get(foo_id, EOLIAN_COMMENT);
              if (str) printf("%*s<%s>\n", nb_spaces + 5, "", str);
              str = eolian_function_data_get(foo_id, EOLIAN_LEGACY);
              if (str) printf("%*slegacy: <%s>\n", nb_spaces + 5, "", str);
              str = eolian_function_data_get(foo_id, EOLIAN_METHOD_RETURN_TYPE);
              if (str) printf("%*sreturn type: <%s>\n", nb_spaces + 5, "", str);
              break;
           }
      default:
         return EINA_FALSE;
     }
   Eina_List *itr;
   _Parameter_Desc *param;
   EINA_LIST_FOREACH(fid->params, itr, param)
     {
        char *param_dir = NULL;
        switch (param->param_dir)
          {
           case EOLIAN_IN_PARAM:
              param_dir = "IN";
              break;
           case EOLIAN_OUT_PARAM:
              param_dir = "OUT";
              break;
           case EOLIAN_INOUT_PARAM:
              param_dir = "INOUT";
              break;
          }
         Eina_Strbuf *type_buf = eina_strbuf_new();
         Eolian_Type type = param->type;
         while (type)
           {
              const char *type_str = NULL;
              Eina_Bool is_own = EINA_FALSE;
              type = eolian_type_information_get(type, &type_str, &is_own);
              eina_strbuf_append_printf(type_buf, "%s%s%s",
                    eina_strbuf_length_get(type_buf)?"/":"",
                    type_str, is_own?"@own":"");
           }
         printf("%*s%s <%s> <%s> <%s>\n", nb_spaces + 5, "",
               param_dir, param->name,
               eina_strbuf_string_get(type_buf),
               param->description?param->description:"");
         eina_strbuf_free(type_buf);
     }
   return EINA_TRUE;
}

static Eina_Bool _class_print(const Eina_Hash *hash EINA_UNUSED, const void *key EINA_UNUSED, void *data, void *fdata EINA_UNUSED)
{
   Eina_List *itr;
   _Function_Id *function;
   const char *types[5] = {"", "Regular", "Regular Non Instantiable", "Mixin", "Interface"};

   Class_desc *desc = data;
   EINA_SAFETY_ON_NULL_RETURN_VAL(desc, EINA_FALSE);
   printf("Class %s:\n", desc->name);
   if (desc->description)
      printf("  description: <%s>\n", desc->description);

   printf("  type: %s\n", types[desc->type]);

   // Inherits
   if (desc->inherits)
     {
        printf("  inherits: ");
        char *word;
        EINA_LIST_FOREACH(desc->inherits, itr, word)
          {
             printf("%s ", word);
          }
        printf("\n");
     }

   // Legacy prefix
   if (desc->legacy_prefix)
     {
        printf("  legacy prefix: <%s>\n", desc->legacy_prefix);
     }

   // Eo prefix
   if (desc->eo_prefix)
     {
        printf("  Eo prefix: <%s>\n", desc->eo_prefix);
     }

   // Data type
   if (desc->data_type)
     {
        printf("  Data type: <%s>\n", desc->data_type);
     }

   // Constructors
   printf("  constructors:\n");
   EINA_LIST_FOREACH(desc->constructors, itr, function)
     {
        _function_print(function, 4);
     }
   printf("\n");

   // Properties
   printf("  properties:\n");
   EINA_LIST_FOREACH(desc->properties, itr, function)
     {
        _function_print(function, 4);
     }
   printf("\n");

   // Methods
   printf("  methods:\n");
   EINA_LIST_FOREACH(desc->methods, itr, function)
     {
        _function_print(function, 4);
     }
   // Implement
   printf("  implements:\n");
   Eolian_Implement impl;
   EINA_LIST_FOREACH((Eina_List *) eolian_class_implements_list_get(desc->name), itr, impl)
     {
        _implements_print(impl, 4);
     }
   printf("\n");
   // Implement
   printf("  events:\n");
   Eolian_Event ev;
   EINA_LIST_FOREACH((Eina_List *) eolian_class_events_list_get(desc->name), itr, ev)
     {
        _event_print(ev, 4);
     }
   printf("\n");
   return EINA_TRUE;
}

EAPI Eina_Bool
eolian_show(const char *class_name)
{
   if (!class_name)
      eina_hash_foreach(_classes, _class_print, NULL);
   else
     {
        Class_desc *klass = _class_get(class_name);
        _class_print(NULL, NULL, klass, NULL);
     }
   return EINA_TRUE;
}

#define EO_SUFFIX ".eo"
EAPI Eina_Bool
eolian_directory_scan(const char *dir)
{
   if (!dir) return EINA_FALSE;
   char *file;
   /* Get all files from directory. Not recursively!!! */
   Eina_Iterator *dir_files = eina_file_ls(dir);
   EINA_ITERATOR_FOREACH(dir_files, file)
     {
        if (eina_str_has_suffix(file, EO_SUFFIX))
          {
             int len = strlen(file);
             int idx = len - 1;
             while (idx >= 0 && file[idx] != '/') idx--;
             eina_hash_add(_filenames, eina_stringshare_add_length(file+idx+1, len - idx - sizeof(EO_SUFFIX)), strdup(file));
          }
     }
   eina_iterator_free(dir_files);
   return EINA_TRUE;
}

EAPI Eina_Bool eolian_eo_file_parse(const char *filepath)
{
   const Eina_List *itr;
   const char *class_name = eolian_class_find_by_file(filepath);
   if (!class_name)
     {
        if (!eo_tokenizer_database_fill(filepath)) return EINA_FALSE;
        class_name = eolian_class_find_by_file(filepath);
        if (!class_name)
          {
             ERR("No class for file %s", filepath);
             return EINA_FALSE;
          }
     }
   EINA_LIST_FOREACH(eolian_class_inherits_list_get(class_name), itr, class_name)
     {
        char *filename = strdup(class_name);
        eina_str_tolower(&filename);
        filepath = eina_hash_find(_filenames, filename);
        if (!filepath)
          {
             ERR("Unable to find class %s", class_name);
             return EINA_FALSE;
          }
        if (!eolian_eo_file_parse(filepath)) return EINA_FALSE;
        free(filename);
     }
   return EINA_TRUE;
}

static Eina_Bool _file_parse(const Eina_Hash *hash EINA_UNUSED, const void *key EINA_UNUSED, void *data, void *fdata)
{
   Eina_Bool *ret = fdata;
   if (*ret) *ret = eolian_eo_file_parse(data);
   return *ret;
}

EAPI Eina_Bool
eolian_all_eo_files_parse()
{
   Eina_Bool ret = EINA_TRUE;
   eina_hash_foreach(_filenames, _file_parse, &ret);
   return ret;
}