DUK_EXTERNAL duk_bool_t duk_del_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index) { DUK_ASSERT_CTX_VALID(ctx); obj_index = duk_require_normalize_index(ctx, obj_index); duk_push_uarridx(ctx, arr_index); return duk_del_prop(ctx, obj_index); }
/* duk_del_prop(), success cases */ int test_1a(duk_context *ctx) { int rc; prep(ctx); /* existing, configurable */ duk_push_string(ctx, "foo"); rc = duk_del_prop(ctx, 0); printf("delete obj.foo -> rc=%d\n", rc); /* nonexistent */ duk_push_string(ctx, "nonexistent"); rc = duk_del_prop(ctx, 0); printf("delete obj.nonexistent -> rc=%d\n", rc); /* nonexistent */ duk_push_int(ctx, 123); rc = duk_del_prop(ctx, 0); printf("delete obj[123] -> rc=%d\n", rc); /* nonexistent, array */ duk_push_string(ctx, "nonexistent"); rc = duk_del_prop(ctx, 1); printf("delete arr.nonexistent -> rc=%d\n", rc); /* existing, configurable, array */ duk_push_int(ctx, 2); rc = duk_del_prop(ctx, 1); printf("delete arr[2] -> rc=%d\n", rc); /* non-configurable property, but called from outside a Duktape/C * activation, so obeys non-strict semantics. */ duk_push_string(ctx, "length"); rc = duk_del_prop(ctx, 1); printf("delete arr.length -> rc=%d\n", rc); /* non-configurable virtual property of a string, non-strict mode. */ duk_push_int(ctx, 5); rc = duk_del_prop(ctx, 2); printf("delete 'test_string'['5'] -> rc=%d\n", rc); /* non-configurable virtual property of a string, non-strict mode. */ duk_push_string(ctx, "length"); rc = duk_del_prop(ctx, 2); printf("delete 'test_string'.length -> rc=%d\n", rc); duk_json_encode(ctx, 0); printf("final object: %s\n", duk_to_string(ctx, 0)); duk_json_encode(ctx, 1); printf("final array: %s\n", duk_to_string(ctx, 1)); printf("final top: %d\n", duk_get_top(ctx)); return 0; }
DUK_EXTERNAL duk_bool_t duk_del_prop_string(duk_context *ctx, duk_idx_t obj_index, const char *key) { DUK_ASSERT_CTX_VALID(ctx); DUK_ASSERT(key != NULL); obj_index = duk_require_normalize_index(ctx, obj_index); duk_push_string(ctx, key); return duk_del_prop(ctx, obj_index); }
/* duk_del_prop(), non-configurable property (array 'length' property). * Same behavior when called inside/outside of a Duktape/C activation * (since Duktape 0.12.0 both cases are considered strict). */ static duk_ret_t test_delprop_b(duk_context *ctx) { duk_ret_t rc; prep(ctx); duk_push_string(ctx, "length"); rc = duk_del_prop(ctx, 1); printf("delete arr.length -> rc=%d\n", (int) rc); printf("final top: %ld\n", (long) duk_get_top(ctx)); return 0; }
int duk_bi_array_prototype_unshift(duk_context *ctx) { unsigned int nargs; unsigned int len; unsigned int i; double final_len; /* FIXME: duk_get_top return type */ nargs = (unsigned int) duk_get_top(ctx); len = duk__push_this_obj_len_u32(ctx); /* stack[0...nargs-1] = unshift args (vararg) * stack[nargs] = ToObject(this) * stack[nargs+1] = ToUint32(length) */ DUK_ASSERT_TOP(ctx, nargs + 2); /* Note: unshift() may operate on indices above unsigned 32-bit range * and the final length may be >= 2**32. Hence we use 'double' vars * here, when appropriate. */ i = len; while (i > 0) { DUK_ASSERT_TOP(ctx, nargs + 2); i--; duk_push_number(ctx, ((double) i) + ((double) nargs)); /* k+argCount-1; note that may be above 32-bit range */ if (duk_get_prop_index(ctx, -3, i)) { /* fromPresent = true */ /* [ ... ToObject(this) ToUint32(length) to val ] */ duk_put_prop(ctx, -4); /* -> [ ... ToObject(this) ToUint32(length) ] */ /* FIXME: Throw */ } else { /* fromPresent = false */ /* [ ... ToObject(this) ToUint32(length) to val ] */ duk_pop(ctx); duk_del_prop(ctx, -3); /* -> [ ... ToObject(this) ToUint32(length) ] */ /* FIXME: Throw */ } DUK_ASSERT_TOP(ctx, nargs + 2); } for (i = 0; i < nargs; i++) { DUK_ASSERT_TOP(ctx, nargs + 2); duk_dup(ctx, i); /* -> [ ... ToObject(this) ToUint32(length) arg[i] ] */ duk_put_prop_index(ctx, -3, i); /* FIXME: Throw */ DUK_ASSERT_TOP(ctx, nargs + 2); } DUK_ASSERT_TOP(ctx, nargs + 2); final_len = ((double) len) + ((double) nargs); duk_push_number(ctx, final_len); duk_dup_top(ctx); /* -> [ ... ToObject(this) ToUint32(length) final_len final_len ] */ duk_put_prop_stridx(ctx, -4, DUK_STRIDX_LENGTH); /* FIXME: Throw */ return 1; }
DUK_INTERNAL duk_bool_t duk_del_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx) { duk_hthread *thr = (duk_hthread *) ctx; DUK_ASSERT_CTX_VALID(ctx); DUK_ASSERT_DISABLE(stridx >= 0); DUK_ASSERT(stridx < DUK_HEAP_NUM_STRINGS); obj_index = duk_require_normalize_index(ctx, obj_index); duk_push_hstring(ctx, DUK_HTHREAD_GET_STRING(thr, stridx)); return duk_del_prop(ctx, obj_index); }
/* duk_del_prop(), not object coercible */ static duk_ret_t test_delprop_g(duk_context *ctx) { duk_ret_t rc; duk_set_top(ctx, 0); duk_push_null(ctx); duk_push_string(ctx, "foo"); rc = duk_del_prop(ctx, -2); printf("delete null.foo -> rc=%d\n", (int) rc); printf("final top: %ld\n", (long) duk_get_top(ctx)); return 0; }
/* duk_del_prop(), DUK_INVALID_INDEX */ static duk_ret_t test_delprop_f(duk_context *ctx) { duk_ret_t rc; prep(ctx); duk_push_string(ctx, "foo"); rc = duk_del_prop(ctx, DUK_INVALID_INDEX); printf("delete obj.foo -> rc=%d\n", (int) rc); printf("final top: %ld\n", (long) duk_get_top(ctx)); return 0; }
/* duk_del_prop(), non-configurable virtual property of a plain string, * called from inside a Duktape/C context. */ int test_1c(duk_context *ctx) { int rc; prep(ctx); duk_push_int(ctx, 5); rc = duk_del_prop(ctx, 2); printf("delete 'test_string'[5] -> rc=%d\n", rc); printf("final top: %d\n", duk_get_top(ctx)); return 0; }
/* duk_del_prop(), not object coercible */ int test_1f(duk_context *ctx) { int rc; duk_set_top(ctx, 0); duk_push_null(ctx); duk_push_string(ctx, "foo"); rc = duk_del_prop(ctx, -2); printf("delete null.foo -> rc=%d\n", rc); printf("final top: %d\n", duk_get_top(ctx)); return 0; }
/* duk_del_prop(), DUK_INVALID_INDEX */ int test_1e(duk_context *ctx) { int rc; prep(ctx); duk_push_string(ctx, "foo"); rc = duk_del_prop(ctx, DUK_INVALID_INDEX); printf("delete obj.foo -> rc=%d\n", rc); printf("final top: %d\n", duk_get_top(ctx)); return 0; }
/* duk_del_prop(), non-configurable virtual property of a plain string. * Same behavior when called inside/outside of a Duktape/C activation. */ static duk_ret_t test_delprop_c(duk_context *ctx) { duk_ret_t rc; prep(ctx); duk_push_int(ctx, 5); rc = duk_del_prop(ctx, 2); printf("delete 'test_string'[5] -> rc=%d\n", (int) rc); printf("final top: %ld\n", (long) duk_get_top(ctx)); return 0; }
/* duk_del_prop(), non-configurable property (array 'length' property), * called from inside a Duktape/C context. */ int test_1b(duk_context *ctx) { int rc; prep(ctx); duk_push_string(ctx, "length"); rc = duk_del_prop(ctx, 1); printf("delete arr.length -> rc=%d\n", rc); printf("final top: %d\n", duk_get_top(ctx)); return 0; }
/* duk_del_prop(), success cases */ static duk_ret_t test_delprop_a_safecall(duk_context *ctx, void *udata) { duk_ret_t rc; (void) udata; prep(ctx); /* existing, configurable */ duk_push_string(ctx, "foo"); rc = duk_del_prop(ctx, 0); printf("delete obj.foo -> rc=%d\n", (int) rc); /* nonexistent */ duk_push_string(ctx, "nonexistent"); rc = duk_del_prop(ctx, 0); printf("delete obj.nonexistent -> rc=%d\n", (int) rc); /* nonexistent */ duk_push_int(ctx, 123); rc = duk_del_prop(ctx, 0); printf("delete obj[123] -> rc=%d\n", (int) rc); /* nonexistent, array */ duk_push_string(ctx, "nonexistent"); rc = duk_del_prop(ctx, 1); printf("delete arr.nonexistent -> rc=%d\n", (int) rc); /* existing, configurable, array */ duk_push_int(ctx, 2); rc = duk_del_prop(ctx, 1); printf("delete arr[2] -> rc=%d\n", (int) rc); duk_json_encode(ctx, 0); printf("final object: %s\n", duk_to_string(ctx, 0)); duk_json_encode(ctx, 1); printf("final array: %s\n", duk_to_string(ctx, 1)); printf("final top: %ld\n", (long) duk_get_top(ctx)); return 0; }
static int _worker_dispatch_cb (evHandle *handle){ comoWorker *worker = handle->data; duk_context *ctx = worker->Mainctx; mtx_lock(&worker->mtx); QUEUE *q; while ( !QUEUE_EMPTY(&worker->queueOut) ){ q = QUEUE_HEAD(&(worker)->queueOut); QUEUE_REMOVE(q); comoQueue *queue = QUEUE_DATA(q, comoQueue, queue); if (worker->destroy != 0){ goto FREE; } duk_push_heapptr(ctx, worker->self); if (duk_get_type(ctx, -1) != DUK_TYPE_OBJECT){ dump_stack(ctx, "DUK"); assert(0); } como_push_worker_value(ctx, queue); duk_call(ctx, 1); duk_pop(ctx); FREE : /* free except in case of pointers */ if (queue->data != NULL && queue->type != DUK_TYPE_POINTER){ free(queue->data); } free(queue); } mtx_unlock(&worker->mtx); if (worker->destroy == 2){ duk_push_global_stash(ctx); duk_get_prop_string(ctx, -1, "comoWorkersCallBack"); duk_push_number(ctx, (double) handle->id); duk_del_prop(ctx, -2); handle_close(handle); free(worker); } return 0; }
static VALUE ctx_alloc(VALUE klass) { duk_context *ctx = duk_create_heap(NULL, NULL, NULL, NULL, error_handler); // Undefine require property duk_push_global_object(ctx); duk_push_string(ctx, "require"); duk_del_prop(ctx, -2); duk_set_top(ctx, 0); struct state *state = malloc(sizeof(struct state)); state->ctx = ctx; state->complex_object = oComplexObject; state->blocks = rb_ary_new(); return Data_Wrap_Struct(klass, ctx_mark, ctx_dealloc, state); }
static duk_ret_t test_func(duk_context *ctx, void *udata) { (void) udata; if (ctx) { printf("dummy - return here\n"); fflush(stdout); return 0; } /* Up-to-date for Duktape 1.3.0, alphabetical order: * $ cd website/api; ls *.yaml */ (void) duk_alloc_raw(ctx, 0); (void) duk_alloc(ctx, 0); (void) duk_base64_decode(ctx, 0); (void) duk_base64_encode(ctx, 0); (void) duk_buffer_to_string(ctx, 0); (void) duk_call_method(ctx, 0); (void) duk_call_prop(ctx, 0, 0); (void) duk_call(ctx, 0); (void) duk_char_code_at(ctx, 0, 0); (void) duk_check_stack_top(ctx, 0); (void) duk_check_stack(ctx, 0); (void) duk_check_type_mask(ctx, 0, 0); (void) duk_check_type(ctx, 0, 0); (void) duk_compact(ctx, 0); (void) duk_compile_lstring_filename(ctx, 0, "dummy", 0); (void) duk_compile_lstring(ctx, 0, "dummy", 0); (void) duk_compile_string_filename(ctx, 0, "dummy"); (void) duk_compile_string(ctx, 0, "dummy"); (void) duk_compile(ctx, 0); (void) duk_concat(ctx, 0); (void) duk_config_buffer(ctx, 0, NULL, 0); (void) duk_copy(ctx, 0, 0); (void) duk_create_heap_default(); (void) duk_create_heap(NULL, NULL, NULL, NULL, NULL); (void) duk_debugger_attach(ctx, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL); (void) duk_debugger_cooperate(ctx); (void) duk_debugger_detach(ctx); (void) duk_debugger_notify(ctx, 0); (void) duk_debugger_pause(ctx); (void) duk_decode_string(ctx, 0, NULL, NULL); (void) duk_def_prop(ctx, 0, 0); (void) duk_del_prop_index(ctx, 0, 0); (void) duk_del_prop_string(ctx, 0, "dummy"); (void) duk_del_prop(ctx, 0); (void) duk_destroy_heap(ctx); (void) duk_dump_function(ctx); (void) duk_dup_top(ctx); (void) duk_dup(ctx, 0); (void) duk_enum(ctx, 0, 0); (void) duk_equals(ctx, 0, 0); duk_error_va(ctx, 0, NULL, NULL); duk_error(ctx, 0, "dummy"); /* (void) cast won't work without variadic macros */ (void) duk_eval_lstring_noresult(ctx, "dummy", 0); (void) duk_eval_lstring(ctx, "dummy", 0); (void) duk_eval_noresult(ctx); (void) duk_eval_string_noresult(ctx, "dummy"); (void) duk_eval_string(ctx, "dummy"); (void) duk_eval(ctx); (void) duk_fatal(ctx, "dummy"); (void) duk_free_raw(ctx, NULL); (void) duk_free(ctx, NULL); (void) duk_gc(ctx, 0); (void) duk_get_boolean(ctx, 0); (void) duk_get_buffer_data(ctx, 0, NULL); (void) duk_get_buffer(ctx, 0, NULL); (void) duk_get_c_function(ctx, 0); (void) duk_get_context(ctx, 0); (void) duk_get_current_magic(ctx); (void) duk_get_error_code(ctx, 0); (void) duk_get_finalizer(ctx, 0); (void) duk_get_global_string(ctx, 0); (void) duk_get_heapptr(ctx, 0); (void) duk_get_int(ctx, 0); (void) duk_get_length(ctx, 0); (void) duk_get_lstring(ctx, 0, NULL); (void) duk_get_magic(ctx, 0); (void) duk_get_memory_functions(ctx, NULL); (void) duk_get_number(ctx, 0); (void) duk_get_pointer(ctx, 0); (void) duk_get_prop_index(ctx, 0, 0); (void) duk_get_prop_string(ctx, 0, "dummy"); (void) duk_get_prop(ctx, 0); (void) duk_get_prototype(ctx, 0); (void) duk_get_string(ctx, 0); (void) duk_get_top_index(ctx); (void) duk_get_top(ctx); (void) duk_get_type_mask(ctx, 0); (void) duk_get_type(ctx, 0); (void) duk_get_uint(ctx, 0); (void) duk_has_prop_index(ctx, 0, 0); (void) duk_has_prop_string(ctx, 0, "dummy"); (void) duk_has_prop(ctx, 0); (void) duk_hex_decode(ctx, 0); (void) duk_hex_encode(ctx, 0); (void) duk_insert(ctx, 0); (void) duk_instanceof(ctx, 0, 0); (void) duk_is_array(ctx, 0); (void) duk_is_boolean(ctx, 0); (void) duk_is_bound_function(ctx, 0); (void) duk_is_buffer(ctx, 0); (void) duk_is_callable(ctx, 0); (void) duk_is_c_function(ctx, 0); (void) duk_is_constructor_call(ctx); (void) duk_is_dynamic_buffer(ctx, 0); (void) duk_is_ecmascript_function(ctx, 0); (void) duk_is_error(ctx, 0); (void) duk_is_eval_error(ctx, 0); (void) duk_is_fixed_buffer(ctx, 0); (void) duk_is_function(ctx, 0); (void) duk_is_lightfunc(ctx, 0); (void) duk_is_nan(ctx, 0); (void) duk_is_null_or_undefined(ctx, 0); (void) duk_is_null(ctx, 0); (void) duk_is_number(ctx, 0); (void) duk_is_object_coercible(ctx, 0); (void) duk_is_object(ctx, 0); (void) duk_is_pointer(ctx, 0); (void) duk_is_primitive(ctx, 0); (void) duk_is_range_error(ctx, 0); (void) duk_is_reference_error(ctx, 0); (void) duk_is_strict_call(ctx); (void) duk_is_string(ctx, 0); (void) duk_is_syntax_error(ctx, 0); (void) duk_is_thread(ctx, 0); (void) duk_is_type_error(ctx, 0); (void) duk_is_undefined(ctx, 0); (void) duk_is_uri_error(ctx, 0); (void) duk_is_valid_index(ctx, 0); (void) duk_join(ctx, 0); (void) duk_json_decode(ctx, 0); (void) duk_json_encode(ctx, 0); (void) duk_load_function(ctx); (void) duk_map_string(ctx, 0, NULL, NULL); (void) duk_new(ctx, 0); (void) duk_next(ctx, 0, 0); (void) duk_normalize_index(ctx, 0); (void) duk_pcall_method(ctx, 0); (void) duk_pcall_prop(ctx, 0, 0); (void) duk_pcall(ctx, 0); (void) duk_pcompile_lstring_filename(ctx, 0, "dummy", 0); (void) duk_pcompile_lstring(ctx, 0, "dummy", 0); (void) duk_pcompile_string_filename(ctx, 0, "dummy"); (void) duk_pcompile_string(ctx, 0, "dummy"); (void) duk_pcompile(ctx, 0); (void) duk_peval_lstring_noresult(ctx, "dummy", 0); (void) duk_peval_lstring(ctx, "dummy", 0); (void) duk_peval_noresult(ctx); (void) duk_peval_string_noresult(ctx, "dummy"); (void) duk_peval_string(ctx, "dummy"); (void) duk_peval(ctx); (void) duk_pnew(ctx, 0); (void) duk_pop_2(ctx); (void) duk_pop_3(ctx); (void) duk_pop_n(ctx, 0); (void) duk_pop(ctx); (void) duk_push_array(ctx); (void) duk_push_boolean(ctx, 0); (void) duk_push_buffer_object(ctx, 0, 0, 0, 0); (void) duk_push_buffer(ctx, 0, 0); (void) duk_push_c_function(ctx, NULL, 0); (void) duk_push_c_lightfunc(ctx, NULL, 0, 0, 0); (void) duk_push_context_dump(ctx); (void) duk_push_current_function(ctx); (void) duk_push_current_thread(ctx); (void) duk_push_dynamic_buffer(ctx, 0); (void) duk_push_error_object_va(ctx, 0, NULL, NULL); (void) duk_push_error_object(ctx, 0, "dummy"); (void) duk_push_external_buffer(ctx); (void) duk_push_false(ctx); (void) duk_push_fixed_buffer(ctx, 0); (void) duk_push_global_object(ctx); (void) duk_push_global_stash(ctx); (void) duk_push_heap_stash(ctx); (void) duk_push_heapptr(ctx, NULL); (void) duk_push_int(ctx, 0); (void) duk_push_lstring(ctx, "dummy", 0); (void) duk_push_nan(ctx); (void) duk_push_null(ctx); (void) duk_push_number(ctx, 0.0); (void) duk_push_object(ctx); (void) duk_push_pointer(ctx, NULL); (void) duk_push_sprintf(ctx, "dummy"); (void) duk_push_string(ctx, "dummy"); (void) duk_push_this(ctx); (void) duk_push_thread_new_globalenv(ctx); (void) duk_push_thread_stash(ctx, NULL); (void) duk_push_thread(ctx); (void) duk_push_true(ctx); (void) duk_push_uint(ctx, 0); (void) duk_push_undefined(ctx); (void) duk_push_vsprintf(ctx, "dummy", NULL); (void) duk_put_function_list(ctx, 0, NULL); (void) duk_put_global_string(ctx, NULL); (void) duk_put_number_list(ctx, 0, NULL); (void) duk_put_prop_index(ctx, 0, 0); (void) duk_put_prop_string(ctx, 0, "dummy"); (void) duk_put_prop(ctx, 0); (void) duk_realloc_raw(ctx, NULL, 0); (void) duk_realloc(ctx, NULL, 0); (void) duk_remove(ctx, 0); (void) duk_replace(ctx, 0); (void) duk_require_boolean(ctx, 0); (void) duk_require_buffer_data(ctx, 0, NULL); (void) duk_require_buffer(ctx, 0, NULL); (void) duk_require_c_function(ctx, 0); (void) duk_require_callable(ctx, 0); (void) duk_require_context(ctx, 0); (void) duk_require_function(ctx, 0); (void) duk_require_heapptr(ctx, 0); (void) duk_require_int(ctx, 0); (void) duk_require_lstring(ctx, 0, NULL); (void) duk_require_normalize_index(ctx, 0); (void) duk_require_null(ctx, 0); (void) duk_require_number(ctx, 0); (void) duk_require_object_coercible(ctx, 0); (void) duk_require_pointer(ctx, 0); (void) duk_require_stack_top(ctx, 0); (void) duk_require_stack(ctx, 0); (void) duk_require_string(ctx, 0); (void) duk_require_top_index(ctx); (void) duk_require_type_mask(ctx, 0, 0); (void) duk_require_uint(ctx, 0); (void) duk_require_undefined(ctx, 0); (void) duk_require_valid_index(ctx, 0); (void) duk_resize_buffer(ctx, 0, 0); (void) duk_safe_call(ctx, NULL, NULL, 0, 0); (void) duk_safe_to_lstring(ctx, 0, NULL); (void) duk_safe_to_string(ctx, 0); (void) duk_set_finalizer(ctx, 0); (void) duk_set_global_object(ctx); (void) duk_set_magic(ctx, 0, 0); (void) duk_set_prototype(ctx, 0); (void) duk_set_top(ctx, 0); (void) duk_steal_buffer(ctx, 0, NULL); (void) duk_strict_equals(ctx, 0, 0); (void) duk_substring(ctx, 0, 0, 0); (void) duk_swap_top(ctx, 0); (void) duk_swap(ctx, 0, 0); (void) duk_throw(ctx); (void) duk_to_boolean(ctx, 0); (void) duk_to_buffer(ctx, 0, NULL); (void) duk_to_defaultvalue(ctx, 0, 0); (void) duk_to_dynamic_buffer(ctx, 0, NULL); (void) duk_to_fixed_buffer(ctx, 0, NULL); (void) duk_to_int32(ctx, 0); (void) duk_to_int(ctx, 0); (void) duk_to_lstring(ctx, 0, NULL); (void) duk_to_null(ctx, 0); (void) duk_to_number(ctx, 0); (void) duk_to_object(ctx, 0); (void) duk_to_pointer(ctx, 0); (void) duk_to_primitive(ctx, 0, 0); (void) duk_to_string(ctx, 0); (void) duk_to_uint16(ctx, 0); (void) duk_to_uint32(ctx, 0); (void) duk_to_uint(ctx, 0); (void) duk_to_undefined(ctx, 0); (void) duk_trim(ctx, 0); (void) duk_xcopy_top(ctx, NULL, 0); (void) duk_xmove_top(ctx, NULL, 0); printf("never here\n"); fflush(stdout); return 0; }
static duk_ret_t duk__require(duk_context *ctx) { const char *str_req_id; /* requested identifier */ const char *str_mod_id; /* require.id of current module */ duk_int_t pcall_rc; /* NOTE: we try to minimize code size by avoiding unnecessary pops, * so the stack looks a bit cluttered in this function. DUK__ASSERT_TOP() * assertions are used to ensure stack configuration is correct at each * step. */ /* * Resolve module identifier into canonical absolute form. */ str_req_id = duk_require_string(ctx, DUK__IDX_REQUESTED_ID); duk_push_current_function(ctx); duk_get_prop_string(ctx, -1, "id"); str_mod_id = duk_get_string(ctx, DUK__IDX_REQUIRE_ID); /* ignore non-strings */ duk__resolve_module_id(ctx, str_req_id, str_mod_id); str_req_id = NULL; str_mod_id = NULL; /* [ requested_id require require.id resolved_id last_comp ] */ DUK__ASSERT_TOP(ctx, DUK__IDX_LASTCOMP + 1); /* * Cached module check. * * If module has been loaded or its loading has already begun without * finishing, return the same cached value (module.exports). The * value is registered when module load starts so that circular * references can be supported to some extent. */ duk_push_global_stash(ctx); duk_get_prop_string(ctx, -1, "\xff" "module:Duktape"); duk_remove(ctx, -2); /* Lookup stashed, original 'Duktape' object. */ duk_get_prop_string(ctx, DUK__IDX_DUKTAPE, "modLoaded"); /* Duktape.modLoaded */ duk_require_type_mask(ctx, DUK__IDX_MODLOADED, DUK_TYPE_MASK_OBJECT); DUK__ASSERT_TOP(ctx, DUK__IDX_MODLOADED + 1); duk_dup(ctx, DUK__IDX_RESOLVED_ID); if (duk_get_prop(ctx, DUK__IDX_MODLOADED)) { /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded Duktape.modLoaded[id] ] */ duk_get_prop_string(ctx, -1, "exports"); /* return module.exports */ return 1; } DUK__ASSERT_TOP(ctx, DUK__IDX_UNDEFINED + 1); /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined ] */ /* * Module not loaded (and loading not started previously). * * Create a new require() function with 'id' set to resolved ID * of module being loaded. Also create 'exports' and 'module' * tables but don't register exports to the loaded table yet. * We don't want to do that unless the user module search callbacks * succeeds in finding the module. */ /* Fresh require: require.id is left configurable (but not writable) * so that is not easy to accidentally tweak it, but it can still be * done with Object.defineProperty(). * * XXX: require.id could also be just made non-configurable, as there * is no practical reason to touch it (at least from Ecmascript code). */ duk_push_c_function(ctx, duk__require, 1 /*nargs*/); duk_push_string(ctx, "name"); duk_push_string(ctx, "require"); duk_def_prop(ctx, DUK__IDX_FRESH_REQUIRE, DUK_DEFPROP_HAVE_VALUE); /* not writable, not enumerable, not configurable */ duk_push_string(ctx, "id"); duk_dup(ctx, DUK__IDX_RESOLVED_ID); duk_def_prop(ctx, DUK__IDX_FRESH_REQUIRE, DUK_DEFPROP_HAVE_VALUE | DUK_DEFPROP_SET_CONFIGURABLE); /* a fresh require() with require.id = resolved target module id */ /* Module table: * - module.exports: initial exports table (may be replaced by user) * - module.id is non-writable and non-configurable, as the CommonJS * spec suggests this if possible * - module.filename: not set, defaults to resolved ID if not explicitly * set by modSearch() (note capitalization, not .fileName, matches Node.js) * - module.name: not set, defaults to last component of resolved ID if * not explicitly set by modSearch() */ duk_push_object(ctx); /* exports */ duk_push_object(ctx); /* module */ duk_push_string(ctx, "exports"); duk_dup(ctx, DUK__IDX_EXPORTS); duk_def_prop(ctx, DUK__IDX_MODULE, DUK_DEFPROP_HAVE_VALUE | DUK_DEFPROP_SET_WRITABLE | DUK_DEFPROP_SET_CONFIGURABLE); /* module.exports = exports */ duk_push_string(ctx, "id"); duk_dup(ctx, DUK__IDX_RESOLVED_ID); /* resolved id: require(id) must return this same module */ duk_def_prop(ctx, DUK__IDX_MODULE, DUK_DEFPROP_HAVE_VALUE); /* module.id = resolved_id; not writable, not enumerable, not configurable */ duk_compact(ctx, DUK__IDX_MODULE); /* module table remains registered to modLoaded, minimize its size */ DUK__ASSERT_TOP(ctx, DUK__IDX_MODULE + 1); /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined fresh_require exports module ] */ /* Register the module table early to modLoaded[] so that we can * support circular references even in modSearch(). If an error * is thrown, we'll delete the reference. */ duk_dup(ctx, DUK__IDX_RESOLVED_ID); duk_dup(ctx, DUK__IDX_MODULE); duk_put_prop(ctx, DUK__IDX_MODLOADED); /* Duktape.modLoaded[resolved_id] = module */ /* * Call user provided module search function and build the wrapped * module source code (if necessary). The module search function * can be used to implement pure Ecmacsript, pure C, and mixed * Ecmascript/C modules. * * The module search function can operate on the exports table directly * (e.g. DLL code can register values to it). It can also return a * string which is interpreted as module source code (if a non-string * is returned the module is assumed to be a pure C one). If a module * cannot be found, an error must be thrown by the user callback. * * Because Duktape.modLoaded[] already contains the module being * loaded, circular references for C modules should also work * (although expected to be quite rare). */ duk_push_string(ctx, "(function(require,exports,module){"); /* Duktape.modSearch(resolved_id, fresh_require, exports, module). */ duk_get_prop_string(ctx, DUK__IDX_DUKTAPE, "modSearch"); /* Duktape.modSearch */ duk_dup(ctx, DUK__IDX_RESOLVED_ID); duk_dup(ctx, DUK__IDX_FRESH_REQUIRE); duk_dup(ctx, DUK__IDX_EXPORTS); duk_dup(ctx, DUK__IDX_MODULE); /* [ ... Duktape.modSearch resolved_id last_comp fresh_require exports module ] */ pcall_rc = duk_pcall(ctx, 4 /*nargs*/); /* -> [ ... source ] */ DUK__ASSERT_TOP(ctx, DUK__IDX_MODULE + 3); if (pcall_rc != DUK_EXEC_SUCCESS) { /* Delete entry in Duktape.modLoaded[] and rethrow. */ goto delete_rethrow; } /* If user callback did not return source code, module loading * is finished (user callback initialized exports table directly). */ if (!duk_is_string(ctx, -1)) { /* User callback did not return source code, so module loading * is finished: just update modLoaded with final module.exports * and we're done. */ goto return_exports; } /* Finish the wrapped module source. Force module.filename as the * function .fileName so it gets set for functions defined within a * module. This also ensures loggers created within the module get * the module ID (or overridden filename) as their default logger name. * (Note capitalization: .filename matches Node.js while .fileName is * used elsewhere in Duktape.) */ duk_push_string(ctx, "})"); duk_concat(ctx, 3); if (!duk_get_prop_string(ctx, DUK__IDX_MODULE, "filename")) { /* module.filename for .fileName, default to resolved ID if * not present. */ duk_pop(ctx); duk_dup(ctx, DUK__IDX_RESOLVED_ID); } pcall_rc = duk_pcompile(ctx, DUK_COMPILE_EVAL); if (pcall_rc != DUK_EXEC_SUCCESS) { goto delete_rethrow; } pcall_rc = duk_pcall(ctx, 0); /* -> eval'd function wrapper (not called yet) */ if (pcall_rc != DUK_EXEC_SUCCESS) { goto delete_rethrow; } /* Module has now evaluated to a wrapped module function. Force its * .name to match module.name (defaults to last component of resolved * ID) so that it is shown in stack traces too. Note that we must not * introduce an actual name binding into the function scope (which is * usually the case with a named function) because it would affect the * scope seen by the module and shadow accesses to globals of the same name. * This is now done by compiling the function as anonymous and then forcing * its .name without setting a "has name binding" flag. */ duk_push_string(ctx, "name"); if (!duk_get_prop_string(ctx, DUK__IDX_MODULE, "name")) { /* module.name for .name, default to last component if * not present. */ duk_pop(ctx); duk_dup(ctx, DUK__IDX_LASTCOMP); } duk_def_prop(ctx, -3, DUK_DEFPROP_HAVE_VALUE | DUK_DEFPROP_FORCE); /* * Call the wrapped module function. * * Use a protected call so that we can update Duktape.modLoaded[resolved_id] * even if the module throws an error. */ /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined fresh_require exports module mod_func ] */ DUK__ASSERT_TOP(ctx, DUK__IDX_MODULE + 2); duk_dup(ctx, DUK__IDX_EXPORTS); /* exports (this binding) */ duk_dup(ctx, DUK__IDX_FRESH_REQUIRE); /* fresh require (argument) */ duk_get_prop_string(ctx, DUK__IDX_MODULE, "exports"); /* relookup exports from module.exports in case it was changed by modSearch */ duk_dup(ctx, DUK__IDX_MODULE); /* module (argument) */ DUK__ASSERT_TOP(ctx, DUK__IDX_MODULE + 6); /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined fresh_require exports module mod_func exports fresh_require exports module ] */ pcall_rc = duk_pcall_method(ctx, 3 /*nargs*/); if (pcall_rc != DUK_EXEC_SUCCESS) { /* Module loading failed. Node.js will forget the module * registration so that another require() will try to load * the module again. Mimic that behavior. */ goto delete_rethrow; } /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined fresh_require exports module result(ignored) ] */ DUK__ASSERT_TOP(ctx, DUK__IDX_MODULE + 2); /* fall through */ return_exports: duk_get_prop_string(ctx, DUK__IDX_MODULE, "exports"); duk_compact(ctx, -1); /* compact the exports table */ return 1; /* return module.exports */ delete_rethrow: duk_dup(ctx, DUK__IDX_RESOLVED_ID); duk_del_prop(ctx, DUK__IDX_MODLOADED); /* delete Duktape.modLoaded[resolved_id] */ duk_throw(ctx); /* rethrow original error */ return 0; /* not reachable */ }
//duk_bool_t duk_del_prop(duk_context *ctx, duk_idx_t obj_index); duk_bool_t aperl_duk_del_prop(duk_context *ctx, duk_idx_t obj_index) { duk_bool_t ret = duk_del_prop(ctx, obj_index); return ret; }