+static inline void psi_context_impls_init(struct psi_context *C)
+{
+ size_t nf = 0;
+ zend_function_entry *zfe = NULL;
+
+ if (C->impls) {
+ size_t i = 0;
+ struct psi_impl *impl;
+
+ zfe = pecalloc(psi_plist_count(C->impls) + 1, sizeof(*zfe), 1);
+
+ while (psi_plist_get(C->impls, i++, &impl)) {
+ zend_function_entry *zf = &zfe[nf];
+ struct psi_let_stmt *let;
+ size_t l = 0;
+
+ if (!impl->decl) {
+ continue;
+ }
+ if (!C->ops->decl_init(C, impl->decl)) {
+ continue;
+ }
+ if (!C->ops->impl_init(C, impl, &zf->handler)) {
+ continue;
+ }
+ while (psi_plist_get(impl->stmts.let, l++, &let)) {
+ psi_context_callback_init(C, let->exp, impl);
+ }
+
+ zf->fname = impl->func->name->val + (impl->func->name->val[0] == '\\');
+ zf->num_args = psi_plist_count(impl->func->args);
+ zf->arg_info = psi_internal_arginfo(impl);
+ ++nf;
+ }
+ }
+
+ C->closures = zfe;
+}
+
+static inline void psi_context_decls_init(struct psi_context *C)
+{
+ if (C->decls) {
+ size_t d = 0;
+ struct psi_decl *decl;
+
+ while (psi_plist_get(C->decls, d++, &decl)) {
+ if (!decl->info) {
+ C->ops->decl_init(C, decl);
+ }
+ }
+ }
+}
+
+struct psi_struct_type_data {
+ struct psi_plist *els;
+ size_t offset;
+ size_t max_align;
+};
+
+static inline void psi_struct_type_pad(struct psi_context *C,
+ struct psi_struct_type_data *data, size_t padding)
+{
+ void *ele = C->ops->typeof_decl(C, PSI_T_INT8);
+
+ while (padding--) {
+ void *pad = C->ops->copyof_type(C, ele);
+ data->els = psi_plist_add(data->els, &pad);
+ }
+}
+
+static inline void psi_struct_type_element(struct psi_context *C,
+ struct psi_struct_type_data *data, struct psi_decl_arg *darg)
+{
+ void *type, *copy;
+ size_t i;
+ struct psi_layout type_layout;
+
+ if (darg->layout->pos) {
+ assert(data->offset <= darg->layout->pos);
+ psi_struct_type_pad(C, data, darg->layout->pos - data->offset);
+ data->offset = darg->layout->pos;
+ }
+
+ type = psi_context_decl_arg_full_type(C, darg);
+ C->ops->layoutof_type(C, type, &type_layout);
+
+ if (type_layout.pos > data->max_align) {
+ data->max_align = type_layout.pos;
+ }
+
+ assert(type_layout.len <= darg->layout->len);
+
+ for (i = 0; i < (darg->var->array_size ?: 1); ++i) {
+ copy = C->ops->copyof_type(C, type);
+ data->els = psi_plist_add(data->els, ©);
+ }
+ assert(darg->layout->len == type_layout.len * (darg->var->array_size ?: 1));
+ data->offset += darg->layout->len;
+}
+
+static inline void psi_context_decl_struct_type_elements(struct psi_context *C,
+ struct psi_decl_struct *strct, struct psi_plist **els)
+{
+ size_t i = 0;
+ struct psi_decl_arg *darg, *prev = NULL;
+ struct psi_struct_type_data data = {0};
+
+ data.els = *els;
+ while (psi_plist_get(strct->args, i++, &darg)) {
+ if (prev && prev->layout->pos == darg->layout->pos) {
+ /* skip bit fields */
+ continue;
+ }
+ psi_struct_type_element(C, &data, darg);
+ }
+
+ data.offset = (data.offset + data.max_align - 1) & ~(data.max_align - 1);
+ assert(data.offset <= strct->size);
+ psi_struct_type_pad(C, &data, strct->size - data.offset);
+
+ *els = data.els;
+}
+
+static inline void *psi_context_decl_arg_type(struct psi_context *C,
+ struct psi_decl_arg *darg)
+{
+ struct psi_decl_type *real = psi_decl_type_get_real(darg->type);
+
+ if (real != darg->type && darg->type->real.def->var->pointer_level) {
+ return C->ops->typeof_decl(C, PSI_T_POINTER);
+ }
+
+ if (real->type == PSI_T_UNION) {
+ struct psi_decl_arg *arg;
+ psi_plist_get(real->real.unn->args, 0, &arg);
+ return psi_context_decl_arg_full_type(C, arg);
+ }
+
+ if (real->type == PSI_T_STRUCT) {
+ C->ops->composite_init(C, darg);
+ return darg->engine.type;
+ }
+
+ return C->ops->typeof_decl(C, real->type);
+}
+
+void *psi_context_decl_arg_call_type(struct psi_context *C,
+ struct psi_decl_arg *darg)
+{
+ if (darg->var->pointer_level) {
+ return C->ops->typeof_decl(C, PSI_T_POINTER);
+ }
+
+ return psi_context_decl_arg_type(C, darg);
+}
+
+void *psi_context_decl_arg_full_type(struct psi_context *C,
+ struct psi_decl_arg *darg)
+{
+ if (darg->var->array_size) {
+ C->ops->composite_init(C, darg);
+ return darg->engine.type;
+ }
+ if (darg->var->pointer_level) {
+ return C->ops->typeof_decl(C, PSI_T_POINTER);
+ }
+
+ return psi_context_decl_arg_type(C, darg);
+}
+
+void **psi_context_composite_type_elements(struct psi_context *C,
+ struct psi_decl_arg *darg, struct psi_plist **eles)
+{
+ struct psi_decl_type *dtype;
+ struct psi_decl_arg *tmp;
+ void *type, *copy;
+
+ dtype = psi_decl_type_get_real(darg->type);
+
+ switch (dtype->type) {
+ case PSI_T_STRUCT:
+ psi_context_decl_struct_type_elements(C, dtype->real.strct, eles);
+ break;
+ case PSI_T_UNION:
+ if (psi_plist_bottom(dtype->real.unn->args, &tmp)) {
+ type = psi_context_decl_arg_full_type(C, tmp);
+ copy = C->ops->copyof_type(C, type);
+ *eles = psi_plist_add(*eles, ©);
+ }
+ break;
+ default:
+ type = psi_context_decl_arg_type(C, darg);
+ for (size_t i = 0; i < darg->var->array_size; ++i) {
+ copy = C->ops->copyof_type(C, type);
+ *eles = psi_plist_add(*eles, ©);
+ }
+ }
+
+ return psi_plist_eles(*eles);
+}
+
+/*
+void psi_context_decl_func_array_elements(struct psi_context *C,
+ struct psi_decl *fn, struct psi_plist **els)
+{
+ void *type;
+ size_t i;
+
+ if (fn->func->var->pointer_level > 1) {
+ type = C->ops->typeof_decl(C, PSI_T_POINTER);
+ } else {
+ type = psi_context_decl_type(C, fn->func->type);
+ }
+
+ for (i = 0; i < fn->func->var->array_size; ++i) {
+ void *copy = C->ops->copyof_type(C, type);
+ *els = psi_plist_add(*els, ©);
+ }
+}
+
+void *psi_context_decl_func_type(struct psi_context *C, struct psi_decl *fn)
+{
+ struct psi_decl_arg *darg = fn->func;
+
+ if (darg->engine.type) {
+ return darg->engine.type;
+ }
+
+ if (darg->var->pointer_level) {
+ if (!darg->var->array_size) {
+ return C->ops->typeof_decl(C, PSI_T_POINTER);
+ } else {
+ C->ops->composite_init(C, darg);
+ return darg->engine.type;
+ }
+ }
+
+ return psi_context_decl_type(C, darg->type);
+}
+*/
+
+void psi_context_compile(struct psi_context *C)
+{
+ psi_context_consts_init(C);
+ psi_context_extvars_init(C);
+ psi_context_impls_init(C);
+ psi_context_decls_init(C);
+
+ /* zend_register_functions depends on EG(current_module) pointing into module */
+ EG(current_module) = zend_hash_str_find_ptr(&module_registry, "psi", sizeof("psi") - 1);
+ if (SUCCESS != zend_register_functions(NULL, C->closures, NULL, MODULE_PERSISTENT)) {
+ C->error(PSI_DATA(C), NULL, PSI_WARNING, "Failed to register functions!");
+ }
+ EG(current_module) = NULL;
+}