static duk_ret_t duk_map(duk_context* duk) { s32 x = duk_is_null_or_undefined(duk, 0) ? 0 : duk_to_int(duk, 0); s32 y = duk_is_null_or_undefined(duk, 1) ? 0 : duk_to_int(duk, 1); s32 w = duk_is_null_or_undefined(duk, 2) ? TIC_MAP_SCREEN_WIDTH : duk_to_int(duk, 2); s32 h = duk_is_null_or_undefined(duk, 3) ? TIC_MAP_SCREEN_HEIGHT : duk_to_int(duk, 3); s32 sx = duk_is_null_or_undefined(duk, 4) ? 0 : duk_to_int(duk, 4); s32 sy = duk_is_null_or_undefined(duk, 5) ? 0 : duk_to_int(duk, 5); u8 chromakey = duk_is_null_or_undefined(duk, 6) ? -1 : duk_to_int(duk, 6); s32 scale = duk_is_null_or_undefined(duk, 7) ? 1 : duk_to_int(duk, 7); tic_mem* memory = (tic_mem*)getDukMachine(duk); if (duk_is_null_or_undefined(duk, 8)) memory->api.map(memory, &memory->ram.map, &memory->ram.tiles, x, y, w, h, sx, sy, chromakey, scale); else { void* remap = duk_get_heapptr(duk, 8); RemapData data = {duk, remap}; memory->api.remap((tic_mem*)getDukMachine(duk), &memory->ram.map, &memory->ram.tiles, x, y, w, h, sx, sy, chromakey, scale, remapCallback, &data); } return 0; }
static duk_ret_t test_api_example(duk_context *ctx) { void *ptr; duk_eval_string(ctx, "({ foo: 'bar' })"); ptr = duk_get_heapptr(ctx, -1); duk_put_global_string(ctx, "ref"); duk_set_top(ctx, 0); duk_push_heapptr(ctx, ptr); duk_get_prop_string(ctx, -1, "foo"); printf("obj.foo: %s\n", duk_safe_to_string(ctx, -1)); /* prints 'bar' */ printf("final top: %ld\n", (long) duk_get_top(ctx)); return 0; }
void GCObjectPool::addNewList() { Isolate *isolate = Isolate::GetCurrent(); duk_context *ctx = isolate->GetDukContext(); // Get the "refs" array in the heap stash duk_push_global_stash(ctx); duk_get_prop_string(ctx, -1, "__object_list"); duk_remove(ctx, -2); int type = duk_get_type(ctx, -1); int freeSlot; // freeSlot = scopeList[0] duk_get_prop_index(ctx, -1, 0); // <scopeList> <scopeList[0]> freeSlot = duk_get_int(ctx, -1); duk_pop(ctx); // <scopeList> if (freeSlot != 0) { // scopeList[0] = scopeList[freeSlot] duk_get_prop_index(ctx, -1, (duk_uarridx_t) freeSlot); // <scopeList> <scopeList[freeSlot]> duk_put_prop_index(ctx, -2, 0); // <scopeList> } else { // freeSlot = scopeList.length; freeSlot = (int) duk_get_length(ctx, -1); } duk_push_array(ctx); list_ptr_ = duk_get_heapptr(ctx, -1); // <scopeList> <scope> // scopeList[freeSlot] = scope duk_put_prop_index(ctx, -2, (duk_uarridx_t) freeSlot); // <scopeList> // Remove the refs array from the stack. duk_pop(ctx); // list_idx_ = freeSlot; }
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; }
void _gum_duk_args_parse (const GumDukArgs * args, const gchar * format, ...) { duk_context * ctx = args->ctx; GumDukCore * core = args->core; va_list ap; duk_idx_t arg_index; const gchar * t; gboolean is_required; GSList * byte_arrays = NULL; const gchar * error_message = NULL; va_start (ap, format); arg_index = 0; is_required = TRUE; for (t = format; *t != '\0'; t++) { if (*t == '|') { is_required = FALSE; continue; } if (arg_index >= duk_get_top (ctx) || duk_is_undefined (ctx, arg_index)) { if (is_required) goto missing_argument; else break; } switch (*t) { case 'i': { if (!duk_is_number (ctx, arg_index)) goto expected_int; *va_arg (ap, gint *) = duk_require_int (ctx, arg_index); break; } case 'u': { guint u; if (!_gum_duk_get_uint (ctx, arg_index, &u)) goto expected_uint; *va_arg (ap, guint *) = (guint) u; break; } case 'q': { gint64 i; gboolean is_fuzzy; is_fuzzy = t[1] == '~'; if (is_fuzzy) t++; if (is_fuzzy) { if (!_gum_duk_parse_int64 (ctx, arg_index, core, &i)) goto expected_int; } else { if (!_gum_duk_get_int64 (ctx, arg_index, core, &i)) goto expected_int; } *va_arg (ap, gint64 *) = i; break; } case 'Q': { guint64 u; gboolean is_fuzzy; is_fuzzy = t[1] == '~'; if (is_fuzzy) t++; if (is_fuzzy) { if (!_gum_duk_parse_uint64 (ctx, arg_index, core, &u)) goto expected_uint; } else { if (!_gum_duk_get_uint64 (ctx, arg_index, core, &u)) goto expected_uint; } *va_arg (ap, guint64 *) = u; break; } case 'z': { gssize value; if (duk_is_number (ctx, arg_index)) { value = (gssize) duk_require_int (ctx, arg_index); } else { duk_push_heapptr (ctx, core->int64); duk_push_heapptr (ctx, core->uint64); if (duk_instanceof (ctx, arg_index, -2)) { GumDukInt64 * object; object = _gum_duk_require_data (ctx, arg_index); value = (gssize) object->value; } else if (duk_instanceof (ctx, arg_index, -1)) { GumDukUInt64 * object; object = _gum_duk_require_data (ctx, arg_index); value = (gssize) object->value; } else { goto expected_int; } duk_pop_2 (ctx); } *va_arg (ap, gssize *) = value; break; } case 'Z': { gsize value; if (duk_is_number (ctx, arg_index)) { duk_double_t number; number = duk_require_number (ctx, arg_index); if (number < 0) goto expected_uint; value = (gsize) number; } else { duk_push_heapptr (ctx, core->int64); duk_push_heapptr (ctx, core->uint64); if (duk_instanceof (ctx, arg_index, -1)) { GumDukUInt64 * object; object = _gum_duk_require_data (ctx, arg_index); value = (gsize) object->value; } else if (duk_instanceof (ctx, arg_index, -2)) { GumDukInt64 * object; object = _gum_duk_require_data (ctx, arg_index); if (object->value < 0) goto expected_uint; value = (gsize) object->value; } else { goto expected_uint; } duk_pop_2 (ctx); } *va_arg (ap, gsize *) = value; break; } case 'n': { if (!duk_is_number (ctx, arg_index)) goto expected_number; *va_arg (ap, gdouble *) = duk_require_number (ctx, arg_index); break; } case 'p': { gpointer ptr; gboolean is_fuzzy; is_fuzzy = t[1] == '~'; if (is_fuzzy) t++; if (is_fuzzy) { if (!_gum_duk_parse_pointer (ctx, arg_index, core, &ptr)) goto expected_pointer; } else { if (!_gum_duk_get_pointer (ctx, arg_index, core, &ptr)) goto expected_pointer; } *va_arg (ap, gpointer *) = ptr; break; } case 's': { const gchar * str; gboolean is_nullable; is_nullable = t[1] == '?'; if (is_nullable) t++; if (is_nullable && duk_is_null (ctx, arg_index)) str = NULL; else if ((str = duk_get_string (ctx, arg_index)) == NULL) goto expected_string; *va_arg (ap, const gchar **) = str; break; } case 'm': { GumPageProtection prot; if (!_gum_duk_parse_protection (ctx, arg_index, &prot)) goto expected_protection; *va_arg (ap, GumPageProtection *) = prot; break; } case 'V': { GumDukHeapPtr value; value = duk_get_heapptr (ctx, arg_index); if (value == NULL) goto expected_heap_pointer; *va_arg (ap, GumDukHeapPtr *) = value; break; } case 'O': { if (!duk_is_object (ctx, arg_index)) goto expected_object; *va_arg (ap, GumDukHeapPtr *) = duk_require_heapptr (ctx, arg_index); break; } case 'A': { GumDukHeapPtr array; gboolean is_nullable; is_nullable = t[1] == '?'; if (is_nullable) t++; if (duk_is_array (ctx, arg_index)) array = duk_require_heapptr (ctx, arg_index); else if (is_nullable && duk_is_null (ctx, arg_index)) array = NULL; else goto expected_array; *va_arg (ap, GumDukHeapPtr *) = array; break; } case 'F': { GumDukHeapPtr func; gboolean is_expecting_object, is_nullable; is_expecting_object = t[1] == '{'; if (is_expecting_object) t += 2; if (is_expecting_object) { const gchar * next, * end, * t_end; if (!duk_is_object (ctx, arg_index)) goto expected_callback_object; do { gchar name[64]; gsize length; next = strchr (t, ','); end = strchr (t, '}'); t_end = (next != NULL && next < end) ? next : end; length = t_end - t; strncpy (name, t, length); is_nullable = name[length - 1] == '?'; if (is_nullable) name[length - 1] = '\0'; else name[length] = '\0'; duk_get_prop_string (ctx, arg_index, name); if (duk_is_function (ctx, -1)) { func = duk_require_heapptr (ctx, -1); } else if (is_nullable && duk_is_null_or_undefined (ctx, -1)) { func = NULL; } else { duk_pop (ctx); goto expected_callback_value; } duk_pop (ctx); *va_arg (ap, GumDukHeapPtr *) = func; t = t_end + 1; } while (t_end != end); t--; } else { is_nullable = t[1] == '?'; if (is_nullable) t++; if (duk_is_function (ctx, arg_index)) func = duk_require_heapptr (ctx, arg_index); else if (is_nullable && duk_is_null (ctx, arg_index)) func = NULL; else goto expected_function; *va_arg (ap, GumDukHeapPtr *) = func; } break; } case 'B': { GBytes * bytes; gboolean is_nullable; is_nullable = t[1] == '?'; if (is_nullable) t++; if (is_nullable && duk_is_null (ctx, arg_index)) bytes = NULL; else if (!_gum_duk_parse_bytes (ctx, arg_index, &bytes)) goto expected_bytes; *va_arg (ap, GBytes **) = bytes; if (bytes != NULL) byte_arrays = g_slist_prepend (byte_arrays, bytes); break; } case 'C': { GumCpuContext * cpu_context; gboolean is_nullable; is_nullable = t[1] == '?'; if (is_nullable) t++; if (is_nullable && duk_is_null (ctx, arg_index)) cpu_context = NULL; else if ((cpu_context = _gum_duk_get_cpu_context (ctx, arg_index, core)) == NULL) goto expected_cpu_context; *va_arg (ap, GumCpuContext **) = cpu_context; break; } default: g_assert_not_reached (); } arg_index++; } va_end (ap); g_slist_free (byte_arrays); return; missing_argument: { error_message = "missing argument"; goto error; } expected_int: { error_message = "expected an integer"; goto error; } expected_uint: { error_message = "expected an unsigned integer"; goto error; } expected_number: { error_message = "expected a number"; goto error; } expected_pointer: { error_message = "expected a pointer"; goto error; } expected_string: { error_message = "expected a string"; goto error; } expected_protection: { error_message = "expected a string specifying memory protection"; goto error; } expected_heap_pointer: { error_message = "expected a heap-allocated object"; goto error; } expected_object: { error_message = "expected an object"; goto error; } expected_array: { error_message = "expected an array"; goto error; } expected_callback_object: { error_message = "expected an object containing callbacks"; goto error; } expected_callback_value: { error_message = "expected a callback value"; goto error; } expected_function: { error_message = "expected a function"; goto error; } expected_bytes: { error_message = "expected a buffer-like object"; goto error; } expected_cpu_context: { error_message = "expected a CpuContext object"; goto error; } error: { va_end (ap); g_slist_foreach (byte_arrays, (GFunc) g_bytes_unref, NULL); g_slist_free (byte_arrays); g_assert (error_message != NULL); _gum_duk_throw (ctx, error_message); } }
static duk_ret_t test_basic(duk_context *ctx) { duk_idx_t i, n; void *ptr; void *p1, *p2, *p3; duk_int_t ret; duk_push_undefined(ctx); duk_push_null(ctx); duk_push_boolean(ctx, 1); duk_push_number(ctx, 123.0); duk_push_string(ctx, "test string"); duk_eval_string(ctx, "({ foo: 'bar' })"); duk_eval_string(ctx, "Duktape.dec('hex', 'deadbeef');"); /* buffer */ /* Print pointer NULL/non-NULL */ n = duk_get_top(ctx); for (i = 0; i < n + 1; i++) { /* Note: access i == n on purpose (invalid index) */ ptr = duk_get_heapptr(ctx, i); printf("top: %ld\n", (long) duk_get_top(ctx)); printf("idx %ld: type %ld, duk_get_heapptr() -> %s\n", (long) i, (long) duk_get_type(ctx, i), (ptr ? "non-NULL" : "NULL")); duk_push_uint(ctx, (duk_uint_t) i); ret = duk_safe_call(ctx, raw_require_heapptr, 1 /*nargs*/, 1 /*nrets*/); if (ret == DUK_EXEC_SUCCESS) { ; } else { printf("idx %ld: type %ld, duk_require_heapptr() -> %s\n", (long) i, (long) duk_get_type(ctx, i), duk_safe_to_string(ctx, -1)); } duk_pop(ctx); } /* Write the values to the global stash to simulate whatever * reachability mechanisms user code uses. */ n = duk_get_top(ctx); duk_push_global_stash(ctx); for (i = 0; i < n; i++) { duk_dup(ctx, i); duk_put_prop_index(ctx, -2, (duk_uarridx_t) i); } /* Get borrowed references */ p1 = duk_get_heapptr(ctx, 4); p2 = duk_get_heapptr(ctx, 5); p3 = duk_get_heapptr(ctx, 6); /* Erase value stack, simulating user code moving on and relying on * stashed values keeping the target values reachable. Force a GC * for good measure. */ duk_set_top(ctx, 0); duk_gc(ctx, 0); /* Push the values back one by one and test that they're intact. */ duk_eval_string(ctx, "(function (v) { print(Duktape.enc('jx', v)); })"); duk_dup_top(ctx); duk_push_heapptr(ctx, p1); duk_call(ctx, 1); duk_pop(ctx); duk_dup_top(ctx); duk_push_heapptr(ctx, p2); duk_call(ctx, 1); duk_pop(ctx); duk_dup_top(ctx); duk_push_heapptr(ctx, p3); duk_call(ctx, 1); duk_pop(ctx); duk_dup_top(ctx); duk_push_heapptr(ctx, NULL); duk_call(ctx, 1); duk_pop(ctx); duk_pop(ctx); /* Done. */ printf("final top: %ld\n", (long) duk_get_top(ctx)); return 0; }
int main(int argc, const char *argv[]) { duk_context *ctx; int i; int mode; void *hptr1; void *hptr2; void *hptr3; void *hptr4; void *hptr5; void *hptr6; void *hptr7; void *hptr8; void *hptr9; void *hptr10; if (argc < 2) { return 1; } mode = atoi(argv[1]); ctx = duk_create_heap_default(); duk_push_object(ctx); /* Push the strings we're dealing with, get their heapptrs, and keep * them reachable throughout the test. This is necessary for the * heapptr test to work. But we also want this so that the strings * won't be freed and reallocated repeatedly during the test. That * might happen in real application code too, but this test focuses * on the differences between the intern checks only, assuming the * string itself is already in the string table. */ duk_push_string(ctx, "foo1"); hptr1 = duk_get_heapptr(ctx, -1); duk_push_string(ctx, "foo2"); hptr2 = duk_get_heapptr(ctx, -1); duk_push_string(ctx, "foo3"); hptr3 = duk_get_heapptr(ctx, -1); duk_push_string(ctx, "foo4"); hptr4 = duk_get_heapptr(ctx, -1); duk_push_string(ctx, "foo5"); hptr5 = duk_get_heapptr(ctx, -1); duk_push_string(ctx, "foo6"); hptr6 = duk_get_heapptr(ctx, -1); duk_push_string(ctx, "foo7"); hptr7 = duk_get_heapptr(ctx, -1); duk_push_string(ctx, "foo8"); hptr8 = duk_get_heapptr(ctx, -1); duk_push_string(ctx, "foo9"); hptr9 = duk_get_heapptr(ctx, -1); duk_push_string(ctx, "foo10"); hptr10 = duk_get_heapptr(ctx, -1); for (i = 0; i < 10000000; i++) { switch (mode) { case 0: duk_push_string(ctx, "foo1"); duk_push_string(ctx, "foo2"); duk_push_string(ctx, "foo3"); duk_push_string(ctx, "foo4"); duk_push_string(ctx, "foo5"); duk_push_string(ctx, "foo6"); duk_push_string(ctx, "foo7"); duk_push_string(ctx, "foo8"); duk_push_string(ctx, "foo9"); duk_push_string(ctx, "foo10"); break; case 1: duk_push_lstring(ctx, "foo1", 4); duk_push_lstring(ctx, "foo2", 4); duk_push_lstring(ctx, "foo3", 4); duk_push_lstring(ctx, "foo4", 4); duk_push_lstring(ctx, "foo5", 4); duk_push_lstring(ctx, "foo6", 4); duk_push_lstring(ctx, "foo7", 4); duk_push_lstring(ctx, "foo8", 4); duk_push_lstring(ctx, "foo9", 4); duk_push_lstring(ctx, "foo10", 5); break; case 2: duk_push_literal(ctx, "foo1"); duk_push_literal(ctx, "foo2"); duk_push_literal(ctx, "foo3"); duk_push_literal(ctx, "foo4"); duk_push_literal(ctx, "foo5"); duk_push_literal(ctx, "foo6"); duk_push_literal(ctx, "foo7"); duk_push_literal(ctx, "foo8"); duk_push_literal(ctx, "foo9"); duk_push_literal(ctx, "foo10"); break; case 3: duk_push_heapptr(ctx, hptr1); duk_push_heapptr(ctx, hptr2); duk_push_heapptr(ctx, hptr3); duk_push_heapptr(ctx, hptr4); duk_push_heapptr(ctx, hptr5); duk_push_heapptr(ctx, hptr6); duk_push_heapptr(ctx, hptr7); duk_push_heapptr(ctx, hptr8); duk_push_heapptr(ctx, hptr9); duk_push_heapptr(ctx, hptr10); break; case 10: duk_push_uint(ctx, 123); duk_put_prop_string(ctx, 0, "foo1"); duk_push_uint(ctx, 123); duk_put_prop_string(ctx, 0, "foo2"); duk_push_uint(ctx, 123); duk_put_prop_string(ctx, 0, "foo3"); duk_push_uint(ctx, 123); duk_put_prop_string(ctx, 0, "foo4"); duk_push_uint(ctx, 123); duk_put_prop_string(ctx, 0, "foo5"); duk_push_uint(ctx, 123); duk_put_prop_string(ctx, 0, "foo6"); duk_push_uint(ctx, 123); duk_put_prop_string(ctx, 0, "foo7"); duk_push_uint(ctx, 123); duk_put_prop_string(ctx, 0, "foo8"); duk_push_uint(ctx, 123); duk_put_prop_string(ctx, 0, "foo9"); duk_push_uint(ctx, 123); duk_put_prop_string(ctx, 0, "foo10"); duk_push_uint(ctx, 123); duk_get_prop_string(ctx, 0, "foo1"); duk_get_prop_string(ctx, 0, "foo2"); duk_get_prop_string(ctx, 0, "foo3"); duk_get_prop_string(ctx, 0, "foo4"); duk_get_prop_string(ctx, 0, "foo5"); duk_get_prop_string(ctx, 0, "foo6"); duk_get_prop_string(ctx, 0, "foo7"); duk_get_prop_string(ctx, 0, "foo8"); duk_get_prop_string(ctx, 0, "foo9"); duk_get_prop_string(ctx, 0, "foo10"); break; case 11: duk_push_uint(ctx, 123); duk_put_prop_lstring(ctx, 0, "foo1", 4); duk_push_uint(ctx, 123); duk_put_prop_lstring(ctx, 0, "foo2", 4); duk_push_uint(ctx, 123); duk_put_prop_lstring(ctx, 0, "foo3", 4); duk_push_uint(ctx, 123); duk_put_prop_lstring(ctx, 0, "foo4", 4); duk_push_uint(ctx, 123); duk_put_prop_lstring(ctx, 0, "foo5", 4); duk_push_uint(ctx, 123); duk_put_prop_lstring(ctx, 0, "foo6", 4); duk_push_uint(ctx, 123); duk_put_prop_lstring(ctx, 0, "foo7", 4); duk_push_uint(ctx, 123); duk_put_prop_lstring(ctx, 0, "foo8", 4); duk_push_uint(ctx, 123); duk_put_prop_lstring(ctx, 0, "foo9", 4); duk_push_uint(ctx, 123); duk_put_prop_lstring(ctx, 0, "foo10", 5); duk_push_uint(ctx, 123); duk_get_prop_lstring(ctx, 0, "foo1", 4); duk_get_prop_lstring(ctx, 0, "foo2", 4); duk_get_prop_lstring(ctx, 0, "foo3", 4); duk_get_prop_lstring(ctx, 0, "foo4", 4); duk_get_prop_lstring(ctx, 0, "foo5", 4); duk_get_prop_lstring(ctx, 0, "foo6", 4); duk_get_prop_lstring(ctx, 0, "foo7", 4); duk_get_prop_lstring(ctx, 0, "foo8", 4); duk_get_prop_lstring(ctx, 0, "foo9", 4); duk_get_prop_lstring(ctx, 0, "foo10", 5); break; case 12: duk_push_uint(ctx, 123); duk_put_prop_literal(ctx, 0, "foo1"); duk_push_uint(ctx, 123); duk_put_prop_literal(ctx, 0, "foo2"); duk_push_uint(ctx, 123); duk_put_prop_literal(ctx, 0, "foo3"); duk_push_uint(ctx, 123); duk_put_prop_literal(ctx, 0, "foo4"); duk_push_uint(ctx, 123); duk_put_prop_literal(ctx, 0, "foo5"); duk_push_uint(ctx, 123); duk_put_prop_literal(ctx, 0, "foo6"); duk_push_uint(ctx, 123); duk_put_prop_literal(ctx, 0, "foo7"); duk_push_uint(ctx, 123); duk_put_prop_literal(ctx, 0, "foo8"); duk_push_uint(ctx, 123); duk_put_prop_literal(ctx, 0, "foo9"); duk_push_uint(ctx, 123); duk_put_prop_literal(ctx, 0, "foo10"); duk_push_uint(ctx, 123); duk_get_prop_literal(ctx, 0, "foo1"); duk_get_prop_literal(ctx, 0, "foo2"); duk_get_prop_literal(ctx, 0, "foo3"); duk_get_prop_literal(ctx, 0, "foo4"); duk_get_prop_literal(ctx, 0, "foo5"); duk_get_prop_literal(ctx, 0, "foo6"); duk_get_prop_literal(ctx, 0, "foo7"); duk_get_prop_literal(ctx, 0, "foo8"); duk_get_prop_literal(ctx, 0, "foo9"); duk_get_prop_literal(ctx, 0, "foo10"); break; case 13: duk_push_uint(ctx, 123); duk_put_prop_heapptr(ctx, 0, hptr1); duk_push_uint(ctx, 123); duk_put_prop_heapptr(ctx, 0, hptr2); duk_push_uint(ctx, 123); duk_put_prop_heapptr(ctx, 0, hptr3); duk_push_uint(ctx, 123); duk_put_prop_heapptr(ctx, 0, hptr4); duk_push_uint(ctx, 123); duk_put_prop_heapptr(ctx, 0, hptr5); duk_push_uint(ctx, 123); duk_put_prop_heapptr(ctx, 0, hptr6); duk_push_uint(ctx, 123); duk_put_prop_heapptr(ctx, 0, hptr7); duk_push_uint(ctx, 123); duk_put_prop_heapptr(ctx, 0, hptr8); duk_push_uint(ctx, 123); duk_put_prop_heapptr(ctx, 0, hptr9); duk_push_uint(ctx, 123); duk_put_prop_heapptr(ctx, 0, hptr10); duk_push_uint(ctx, 123); duk_get_prop_heapptr(ctx, 0, hptr1); duk_get_prop_heapptr(ctx, 0, hptr2); duk_get_prop_heapptr(ctx, 0, hptr3); duk_get_prop_heapptr(ctx, 0, hptr4); duk_get_prop_heapptr(ctx, 0, hptr5); duk_get_prop_heapptr(ctx, 0, hptr6); duk_get_prop_heapptr(ctx, 0, hptr7); duk_get_prop_heapptr(ctx, 0, hptr8); duk_get_prop_heapptr(ctx, 0, hptr9); duk_get_prop_heapptr(ctx, 0, hptr10); break; case 20: duk_push_uint(ctx, 123); duk_put_global_string(ctx, "foo1"); duk_push_uint(ctx, 123); duk_put_global_string(ctx, "foo2"); duk_push_uint(ctx, 123); duk_put_global_string(ctx, "foo3"); duk_push_uint(ctx, 123); duk_put_global_string(ctx, "foo4"); duk_push_uint(ctx, 123); duk_put_global_string(ctx, "foo5"); duk_push_uint(ctx, 123); duk_put_global_string(ctx, "foo6"); duk_push_uint(ctx, 123); duk_put_global_string(ctx, "foo7"); duk_push_uint(ctx, 123); duk_put_global_string(ctx, "foo8"); duk_push_uint(ctx, 123); duk_put_global_string(ctx, "foo9"); duk_push_uint(ctx, 123); duk_put_global_string(ctx, "foo10"); duk_push_uint(ctx, 123); duk_get_global_string(ctx, "foo1"); duk_get_global_string(ctx, "foo2"); duk_get_global_string(ctx, "foo3"); duk_get_global_string(ctx, "foo4"); duk_get_global_string(ctx, "foo5"); duk_get_global_string(ctx, "foo6"); duk_get_global_string(ctx, "foo7"); duk_get_global_string(ctx, "foo8"); duk_get_global_string(ctx, "foo9"); duk_get_global_string(ctx, "foo10"); break; case 21: duk_push_uint(ctx, 123); duk_put_global_lstring(ctx, "foo1", 4); duk_push_uint(ctx, 123); duk_put_global_lstring(ctx, "foo2", 4); duk_push_uint(ctx, 123); duk_put_global_lstring(ctx, "foo3", 4); duk_push_uint(ctx, 123); duk_put_global_lstring(ctx, "foo4", 4); duk_push_uint(ctx, 123); duk_put_global_lstring(ctx, "foo5", 4); duk_push_uint(ctx, 123); duk_put_global_lstring(ctx, "foo6", 4); duk_push_uint(ctx, 123); duk_put_global_lstring(ctx, "foo7", 4); duk_push_uint(ctx, 123); duk_put_global_lstring(ctx, "foo8", 4); duk_push_uint(ctx, 123); duk_put_global_lstring(ctx, "foo9", 4); duk_push_uint(ctx, 123); duk_put_global_lstring(ctx, "foo10", 5); duk_push_uint(ctx, 123); duk_get_global_lstring(ctx, "foo1", 4); duk_get_global_lstring(ctx, "foo2", 4); duk_get_global_lstring(ctx, "foo3", 4); duk_get_global_lstring(ctx, "foo4", 4); duk_get_global_lstring(ctx, "foo5", 4); duk_get_global_lstring(ctx, "foo6", 4); duk_get_global_lstring(ctx, "foo7", 4); duk_get_global_lstring(ctx, "foo8", 4); duk_get_global_lstring(ctx, "foo9", 4); duk_get_global_lstring(ctx, "foo10", 5); break; case 22: duk_push_uint(ctx, 123); duk_put_global_literal(ctx, "foo1"); duk_push_uint(ctx, 123); duk_put_global_literal(ctx, "foo2"); duk_push_uint(ctx, 123); duk_put_global_literal(ctx, "foo3"); duk_push_uint(ctx, 123); duk_put_global_literal(ctx, "foo4"); duk_push_uint(ctx, 123); duk_put_global_literal(ctx, "foo5"); duk_push_uint(ctx, 123); duk_put_global_literal(ctx, "foo6"); duk_push_uint(ctx, 123); duk_put_global_literal(ctx, "foo7"); duk_push_uint(ctx, 123); duk_put_global_literal(ctx, "foo8"); duk_push_uint(ctx, 123); duk_put_global_literal(ctx, "foo9"); duk_push_uint(ctx, 123); duk_put_global_literal(ctx, "foo10"); duk_push_uint(ctx, 123); duk_get_global_literal(ctx, "foo1"); duk_get_global_literal(ctx, "foo2"); duk_get_global_literal(ctx, "foo3"); duk_get_global_literal(ctx, "foo4"); duk_get_global_literal(ctx, "foo5"); duk_get_global_literal(ctx, "foo6"); duk_get_global_literal(ctx, "foo7"); duk_get_global_literal(ctx, "foo8"); duk_get_global_literal(ctx, "foo9"); duk_get_global_literal(ctx, "foo10"); break; case 23: duk_push_uint(ctx, 123); duk_put_global_heapptr(ctx, hptr1); duk_push_uint(ctx, 123); duk_put_global_heapptr(ctx, hptr2); duk_push_uint(ctx, 123); duk_put_global_heapptr(ctx, hptr3); duk_push_uint(ctx, 123); duk_put_global_heapptr(ctx, hptr4); duk_push_uint(ctx, 123); duk_put_global_heapptr(ctx, hptr5); duk_push_uint(ctx, 123); duk_put_global_heapptr(ctx, hptr6); duk_push_uint(ctx, 123); duk_put_global_heapptr(ctx, hptr7); duk_push_uint(ctx, 123); duk_put_global_heapptr(ctx, hptr8); duk_push_uint(ctx, 123); duk_put_global_heapptr(ctx, hptr9); duk_push_uint(ctx, 123); duk_put_global_heapptr(ctx, hptr10); duk_push_uint(ctx, 123); duk_get_global_heapptr(ctx, hptr1); duk_get_global_heapptr(ctx, hptr2); duk_get_global_heapptr(ctx, hptr3); duk_get_global_heapptr(ctx, hptr4); duk_get_global_heapptr(ctx, hptr5); duk_get_global_heapptr(ctx, hptr6); duk_get_global_heapptr(ctx, hptr7); duk_get_global_heapptr(ctx, hptr8); duk_get_global_heapptr(ctx, hptr9); duk_get_global_heapptr(ctx, hptr10); break; default: return 1; } /* Keep strings and test object. */ duk_set_top(ctx, 11); } duk_destroy_heap(ctx); return 0; }
//void *duk_get_heapptr(duk_context *ctx, duk_idx_t index); void *aperl_duk_get_heapptr(duk_context *ctx, duk_idx_t index) { void *ret = duk_get_heapptr(ctx, index); return ret; }
JavaScriptObject::JavaScriptObject(JavaTypeMap& typeMap, JNIEnv* env, duk_context* context, jstring name, jobjectArray methods) : m_name(JString(env, name).str()) , m_context(context) , m_instance(nullptr) , m_nextFinalizer(nullptr) { CHECK_STACK(m_context); duk_push_global_object(m_context); if (!duk_get_prop_string(m_context, -1, m_name.c_str())) { duk_pop_2(m_context); throw std::invalid_argument("A global JavaScript object called " + m_name + " was not found"); } m_instance = duk_get_heapptr(m_context, -1); if (m_instance == nullptr) { duk_pop_2(m_context); throw std::invalid_argument("JavaScript global called " + m_name + " is not an object"); } // Make sure that the object has all of the methods we want. jmethodID getName = nullptr; const jsize numArgs = env->GetArrayLength(methods); for (jsize i = 0; i < numArgs; ++i) { auto method = env->GetObjectArrayElement(methods, i); if (getName == nullptr) { jclass methodClass = env->GetObjectClass(method); getName = env->GetMethodID(methodClass, "getName", "()Ljava/lang/String;"); } // Sanity check that as of right now, the object we're proxying has a function with this name. const JString methodName(env, static_cast<jstring>(env->CallObjectMethod(method, getName))); if (!duk_get_prop_string(m_context, -1, methodName)) { duk_pop_3(m_context); throw std::runtime_error("JavaScript global " + m_name + " has no method called " + methodName.str()); } else if (!duk_is_callable(m_context, -1)) { duk_pop_3(m_context); throw std::runtime_error("JavaScript property " + m_name + "." + methodName.str() + " not callable"); } try { // Build a call wrapper that handles marshalling the arguments and return value. m_methods.emplace(std::make_pair(env->FromReflectedMethod(method), buildMethodBody(typeMap, env, method, methodName.str()))); } catch (const std::invalid_argument& e) { duk_pop_3(m_context); throw std::invalid_argument("In proxied method \"" + m_name + "." + methodName.str() + "\": " + e.what()); } // Pop the method property. duk_pop(m_context); } // Keep track of any previously registered finalizer. duk_get_finalizer(m_context, -1); m_nextFinalizer = duk_is_c_function(m_context, -1) ? duk_get_c_function(m_context, -1) : nullptr; duk_pop(m_context); duk_push_c_function(m_context, JavaScriptObject::finalizer, 1); duk_set_finalizer(m_context, -2); // Add 'this' to the list of pointers attached to the proxied instance. // TODO: don't use an array here, just use a separate hidden property for each proxy. if (!duk_has_prop_string(m_context, -1, WRAPPER_THIS_PROP_NAME)) { duk_push_array(m_context); } else { duk_get_prop_string(m_context, -1, WRAPPER_THIS_PROP_NAME); } const duk_size_t length = duk_get_length(m_context, -1); duk_push_pointer(m_context, this); duk_put_prop_index(m_context, -2, static_cast<duk_uarridx_t>(length)); // Add the array (back) to the instance. duk_put_prop_string(m_context, -2, WRAPPER_THIS_PROP_NAME); // Pop the global and our instance. duk_pop_2(m_context); }