semsg(_(e_white_space_required_after_name_str), arg);
return;
}
+ char_u *name_start = arg;
// TODO:
// generics: <Tkey, Tentry>
- // extends SomeClass
- // implements SomeInterface
- // specifies SomeInterface
- // check that nothing follows
// handle "is_export" if it is set
+ // Names for "implements SomeInterface"
+ garray_T ga_impl;
+ ga_init2(&ga_impl, sizeof(char_u *), 5);
+
+ arg = skipwhite(name_end);
+ while (*arg != NUL && *arg != '#' && *arg != '\n')
+ {
+ // TODO:
+ // extends SomeClass
+ // specifies SomeInterface
+ if (STRNCMP(arg, "implements", 10) == 0 && IS_WHITE_OR_NUL(arg[10]))
+ {
+ arg = skipwhite(arg + 10);
+ char_u *impl_end = find_name_end(arg, NULL, NULL, FNE_CHECK_START);
+ if (!IS_WHITE_OR_NUL(*impl_end))
+ {
+ semsg(_(e_white_space_required_after_name_str), arg);
+ goto early_ret;
+ }
+ char_u *iname = vim_strnsave(arg, impl_end - arg);
+ if (iname == NULL)
+ goto early_ret;
+ if (ga_add_string(&ga_impl, iname) == FAIL)
+ {
+ vim_free(iname);
+ goto early_ret;
+ }
+ arg = skipwhite(impl_end);
+ }
+ else
+ {
+ semsg(_(e_trailing_characters_str), arg);
+early_ret:
+ ga_clear_strings(&ga_impl);
+ return;
+ }
+ }
+
garray_T type_list; // list of pointers to allocated types
ga_init2(&type_list, sizeof(type_T *), 10);
}
vim_free(theline);
+ // Check a few things before defining the class.
+ if (success && ga_impl.ga_len > 0)
+ {
+ // Check all "implements" entries are valid and correct.
+ for (int i = 0; i < ga_impl.ga_len && success; ++i)
+ {
+ char_u *impl = ((char_u **)ga_impl.ga_data)[i];
+ typval_T tv;
+ tv.v_type = VAR_UNKNOWN;
+ if (eval_variable(impl, 0, 0, &tv, NULL,
+ EVAL_VAR_VERBOSE + EVAL_VAR_IMPORT) == FAIL)
+ {
+ semsg(_(e_interface_name_not_found_str), impl);
+ success = FALSE;
+ break;
+ }
+
+ if (tv.v_type != VAR_CLASS
+ || tv.vval.v_class == NULL
+ || (tv.vval.v_class->class_flags & CLASS_INTERFACE) == 0)
+ {
+ semsg(_(e_not_valid_interface_str), impl);
+ success = FALSE;
+ }
+
+ // check the members of the interface match the members of the class
+ class_T *ifcl = tv.vval.v_class;
+ for (int loop = 1; loop <= 2 && success; ++loop)
+ {
+ // loop == 1: check class members
+ // loop == 2: check object members
+ int if_count = loop == 1 ? ifcl->class_class_member_count
+ : ifcl->class_obj_member_count;
+ if (if_count == 0)
+ continue;
+ ocmember_T *if_ms = loop == 1 ? ifcl->class_class_members
+ : ifcl->class_obj_members;
+ ocmember_T *cl_ms = (ocmember_T *)(loop == 1
+ ? classmembers.ga_data
+ : objmembers.ga_data);
+ int cl_count = loop == 1 ? classmembers.ga_len
+ : objmembers.ga_len;
+ for (int if_i = 0; if_i < if_count; ++if_i)
+ {
+ int cl_i;
+ for (cl_i = 0; cl_i < cl_count; ++cl_i)
+ {
+ ocmember_T *m = &cl_ms[cl_i];
+ if (STRCMP(if_ms[if_i].ocm_name, m->ocm_name) == 0)
+ {
+ // TODO: check type
+ break;
+ }
+ }
+ if (cl_i == cl_count)
+ {
+ semsg(_(e_member_str_of_interface_str_not_implemented),
+ if_ms[if_i].ocm_name, impl);
+ success = FALSE;
+ break;
+ }
+ }
+ }
+
+ // check the functions/methods of the interface match the
+ // functions/methods of the class
+ for (int loop = 1; loop <= 2 && success; ++loop)
+ {
+ // loop == 1: check class functions
+ // loop == 2: check object methods
+ int if_count = loop == 1 ? ifcl->class_class_function_count
+ : ifcl->class_obj_method_count;
+ if (if_count == 0)
+ continue;
+ ufunc_T **if_fp = loop == 1 ? ifcl->class_class_functions
+ : ifcl->class_obj_methods;
+ ufunc_T **cl_fp = (ufunc_T **)(loop == 1
+ ? classfunctions.ga_data
+ : objmethods.ga_data);
+ int cl_count = loop == 1 ? classfunctions.ga_len
+ : objmethods.ga_len;
+ for (int if_i = 0; if_i < if_count; ++if_i)
+ {
+ char_u *if_name = if_fp[if_i]->uf_name;
+ int cl_i;
+ for (cl_i = 0; cl_i < cl_count; ++cl_i)
+ {
+ char_u *cl_name = cl_fp[cl_i]->uf_name;
+ if (STRCMP(if_name, cl_name) == 0)
+ {
+ // TODO: check return and argument types
+ break;
+ }
+ }
+ if (cl_i == cl_count)
+ {
+ semsg(_(e_function_str_of_interface_str_not_implemented),
+ if_name, impl);
+ success = FALSE;
+ break;
+ }
+ }
+ }
+
+ clear_tv(&tv);
+ }
+ }
+
class_T *cl = NULL;
if (success)
{
cl->class_flags = CLASS_INTERFACE;
cl->class_refcount = 1;
- cl->class_name = vim_strnsave(arg, name_end - arg);
+ cl->class_name = vim_strnsave(name_start, name_end - name_start);
if (cl->class_name == NULL)
goto cleanup;
+ if (ga_impl.ga_len > 0)
+ {
+ // Move the "implements" names into the class.
+ cl->class_interface_count = ga_impl.ga_len;
+ cl->class_interfaces = ALLOC_MULT(char_u *, ga_impl.ga_len);
+ if (cl->class_interfaces == NULL)
+ goto cleanup;
+ for (int i = 0; i < ga_impl.ga_len; ++i)
+ cl->class_interfaces[i] = ((char_u **)ga_impl.ga_data)[i];
+ CLEAR_POINTER(ga_impl.ga_data);
+ ga_impl.ga_len = 0;
+ }
+
// Add class and object members to "cl".
if (add_members_to_class(&classmembers,
&cl->class_class_members,
have_new = TRUE;
break;
}
- if (!have_new)
+ if (is_class && !have_new)
{
// No new() method was defined, add the default constructor.
garray_T fga;
// - Fill hashtab with object members and methods ?
// Add the class to the script-local variables.
+ // TODO: handle other context, e.g. in a function
typval_T tv;
tv.v_type = VAR_CLASS;
tv.vval.v_class = cl;
vim_free(cl);
}
+ ga_clear_strings(&ga_impl);
+
for (int round = 1; round <= 2; ++round)
{
garray_T *gap = round == 1 ? &classmembers : &objmembers;
// be freed.
VIM_CLEAR(cl->class_name);
+ for (int i = 0; i < cl->class_interface_count; ++i)
+ vim_free(((char_u **)cl->class_interfaces)[i]);
+ vim_free(cl->class_interfaces);
+
for (int i = 0; i < cl->class_class_member_count; ++i)
{
ocmember_T *m = &cl->class_class_members[i];