- s.last_arg_pos = -1;
- s.argc = psi_plist_count(strct->args);
- s.els = calloc(s.argc + 1, sizeof(*s.els));
-
- while (psi_plist_get(strct->args, i++, &darg)) {
- psi_ffi_struct_type_element(&s, darg, psi_ffi_decl_arg_type(darg));
- }
-
- /* apply struct alignment padding */
- s.offset = (s.offset + s.max_align - 1) & ~(s.max_align - 1);
-
- assert(s.offset <= strct->size);
- if (s.offset < strct->size) { /* WTF? */
- size_t padding = strct->size - s.offset;
-
- tmp = realloc(s.els, (padding + s.argc + 1) * sizeof(*s.els));
- if (tmp) {
- s.els = tmp;
- } else {
- free(s.els);
- return NULL;
- }
- psi_ffi_struct_type_pad(&s.els[s.nels], padding);
- s.els[s.argc + padding] = NULL;
- }
-
- return s.els;
-}
-
-static inline ffi_type *psi_ffi_decl_type(struct psi_decl_type *type) {
- struct psi_decl_type *real = psi_decl_type_get_real(type);
-
- if (real != type && type->real.def->var->pointer_level) {
- return &ffi_type_pointer;
- }
-
- switch (real->type) {
- case PSI_T_STRUCT:
- if (!real->real.strct->engine.type) {
- ffi_type *strct = calloc(1, sizeof(ffi_type));
-
- strct->type = FFI_TYPE_STRUCT;
- strct->size = 0;
- strct->elements = psi_ffi_struct_type_elements(real->real.strct);
-
- real->real.strct->engine.type = strct;
- real->real.strct->engine.dtor = psi_ffi_type_dtor;
- }
-
- return real->real.strct->engine.type;
-
- case PSI_T_UNION:
- {
- struct psi_decl_arg *arg;
- psi_plist_get(real->real.unn->args, 0, &arg);
- return psi_ffi_decl_arg_type(arg);
- }
-
- default:
- break;
- }
-
- return psi_ffi_token_type(real->type);
-}
-
-static inline ffi_type *psi_ffi_decl_func_array_type(struct psi_decl *fn) {
- struct psi_ffi_decl_info *info = fn->info;
- struct psi_ffi_struct_element_storage s = {0};
- struct psi_layout l;
- ffi_type *type;
- size_t i;
-
- if (info->rv_array) {
- return info->rv_array;
- }
-
- s.last_arg_pos = -1;
- s.argc = fn->func->var->array_size;
- s.els = calloc(s.argc + 1, sizeof(*s.els));
-
- info->rv_array = calloc(1, sizeof(ffi_type));
- info->rv_array->type = FFI_TYPE_STRUCT;
- info->rv_array->size = 0;
- info->rv_array->elements = s.els;
-
- l.pos = 0;
- if (fn->func->var->pointer_level > 1) {
- l.len = SIZEOF_VOID_P;
- type = &ffi_type_pointer;
- } else {
- l.len = psi_decl_type_get_size(fn->func->type, NULL);
- type = psi_ffi_decl_type(fn->func->type);
- }
-
- assert(!fn->func->layout);
- fn->func->layout = &l;
- for (i = 0; i < fn->func->var->array_size; ++i) {
- psi_ffi_struct_type_element(&s, fn->func, type);
- info->rv_array->elements = s.els;
- l.pos += l.len;
- }
- fn->func->layout = NULL;
-
- return info->rv_array;
-}
-
-static inline ffi_type *psi_ffi_decl_arg_type(struct psi_decl_arg *darg) {
- if (darg->var->pointer_level) {
- return &ffi_type_pointer;
- } else {
- return psi_ffi_decl_type(darg->type);
- }
-}
-
-static inline ffi_type *psi_ffi_decl_func_type(struct psi_decl *fn) {
- struct psi_decl_arg *darg = fn->func;
-
- if (darg->var->pointer_level) {
- if (darg->var->array_size) {
- /* mimic a struct resembling the array return type of fn */
- return psi_ffi_decl_func_array_type(fn);
- }
- return &ffi_type_pointer;
- } else {
- return psi_ffi_decl_type(darg->type);
- }