/*
* Looks for an interface that defines a specific member.
*
* TODO - check for ambiguity - same member defined on multiple interfaces
*/
static const char* FindInterfaceForMember(duk_context* ctx, duk_idx_t mbrIdx, const char** member)
{
const char* iface = NULL;
uint8_t found = FALSE;
size_t numInterfaces;
duk_idx_t listIdx;
duk_get_prop_string(ctx, -1, "interfaces");
numInterfaces = duk_get_length(ctx, -1);
listIdx = AJS_GetAllJoynProperty(ctx, "interfaceDefinition");
if (duk_is_object(ctx, mbrIdx)) {
/*
* Expect an object of form { member:"org.foo.interface" }
*/
duk_enum(ctx, mbrIdx, DUK_ENUM_OWN_PROPERTIES_ONLY);
if (!duk_next(ctx, -1, 1)) {
duk_error(ctx, DUK_ERR_TYPE_ERROR, "Require object of form { 'member-name':'interface-name' }");
}
iface = duk_require_string(ctx, -1);
if (!AJ_StringFindFirstOf(iface, ".") == -1) {
duk_error(ctx, DUK_ERR_TYPE_ERROR, "Interface name '%s' is not a dotted name", iface);
}
*member = duk_require_string(ctx, -2);
duk_get_prop_string(ctx, listIdx, iface);
if (duk_is_undefined(ctx, -1)) {
duk_error(ctx, DUK_ERR_REFERENCE_ERROR, "Unknown interface: '%s'", iface);
}
found = duk_has_prop_string(ctx, -1, *member);
duk_pop_n(ctx, 4);
} else {
size_t i;
/*
* Expect a string
*/
*member = duk_require_string(ctx, mbrIdx);
for (i = 0; !found && (i < numInterfaces); ++i) {
duk_get_prop_index(ctx, -2, i);
iface = duk_require_string(ctx, -1);
duk_get_prop_string(ctx, listIdx, iface);
/*
* See if the requested member exists on this interface
*/
found = duk_has_prop_string(ctx, -1, *member);
duk_pop_2(ctx);
}
}
duk_pop_2(ctx);
if (!found) {
duk_error(ctx, DUK_ERR_REFERENCE_ERROR, "Unknown member: '%s'", *member);
}
return iface;
}
/*
* Check is a peer is still live
*/
static void CheckPeerIsAlive(duk_context* ctx, const char* peer)
{
AJS_GetGlobalStashObject(ctx, "sessions");
if (!duk_has_prop_string(ctx, -1, peer)) {
duk_error(ctx, DUK_ERR_REFERENCE_ERROR, "Peer has disconnected");
}
duk_pop(ctx);
}
static int HasServiceCallback(duk_context* ctx, const char* iface)
{
int result;
AJS_GetGlobalStashObject(ctx, "serviceCB");
result = duk_has_prop_string(ctx, -1, iface);
duk_pop(ctx);
return result;
}
static int GetStackRaw(duk_context *ctx)
{
if (!duk_is_object(ctx, -1) || !duk_has_prop_string(ctx, -1, "stack") || !duk_is_error(ctx, -1))
return 1;
duk_get_prop_string(ctx, -1, "stack");
duk_remove(ctx, -2);
return 1;
}
void DuktapeContext::set(JNIEnv *env, jstring name, jobject object, jobjectArray methods) {
CHECK_STACK(m_context);
duk_push_global_object(m_context);
const JString instanceName(env, name);
if (duk_has_prop_string(m_context, -1, instanceName)) {
duk_pop(m_context);
queueIllegalArgumentException(env,
"A global object called " + instanceName.str() + " already exists");
return;
}
const duk_idx_t objIndex = duk_require_normalize_index(m_context, duk_push_object(m_context));
// Hook up a finalizer to decrement the refcount and clean up our JavaMethods.
duk_push_c_function(m_context, javaObjectFinalizer, 1);
duk_set_finalizer(m_context, objIndex);
const jsize numMethods = env->GetArrayLength(methods);
for (jsize i = 0; i < numMethods; ++i) {
jobject method = env->GetObjectArrayElement(methods, i);
const jmethodID getName =
env->GetMethodID(env->GetObjectClass(method), "getName", "()Ljava/lang/String;");
const JString methodName(env, static_cast<jstring>(env->CallObjectMethod(method, getName)));
std::unique_ptr<JavaMethod> javaMethod;
try {
javaMethod.reset(new JavaMethod(m_javaValues, env, method));
} catch (const std::invalid_argument& e) {
queueIllegalArgumentException(env, "In bound method \"" +
instanceName.str() + "." + methodName.str() + "\": " + e.what());
// Pop the object being bound and the duktape global object.
duk_pop_2(m_context);
return;
}
// Use VARARGS here to allow us to manually validate that the proper number of arguments are
// given in the call. If we specify the actual number of arguments needed, Duktape will try to
// be helpful by discarding extra or providing missing arguments. That's not quite what we want.
// See http://duktape.org/api.html#duk_push_c_function for details.
const duk_idx_t func = duk_push_c_function(m_context, javaMethodHandler, DUK_VARARGS);
duk_push_pointer(m_context, javaMethod.release());
duk_put_prop_string(m_context, func, JAVA_METHOD_PROP_NAME);
// Add this method to the bound object.
duk_put_prop_string(m_context, objIndex, methodName);
}
// Keep a reference in JavaScript to the object being bound.
duk_push_pointer(m_context, env->NewGlobalRef(object));
duk_put_prop_string(m_context, objIndex, JAVA_THIS_PROP_NAME);
// Make our bound Java object a property of the Duktape global object (so it's a JS global).
duk_put_prop_string(m_context, -2, instanceName);
// Pop the Duktape global object off the stack.
duk_pop(m_context);
}
/* duk_has_prop_string(), DUK_INVALID_INDEX */
static duk_ret_t test_2c(duk_context *ctx) {
duk_ret_t rc;
prep(ctx);
rc = duk_has_prop_string(ctx, DUK_INVALID_INDEX, "foo");
printf("obj.foo -> rc=%d\n", (int) rc);
printf("final top: %ld\n", (long) duk_get_top(ctx));
return 0;
}
/* duk_has_prop_string(), DUK_INVALID_INDEX */
int test_2c(duk_context *ctx) {
int rc;
prep(ctx);
rc = duk_has_prop_string(ctx, DUK_INVALID_INDEX, "foo");
printf("obj.foo -> rc=%d\n", rc);
printf("final top: %d\n", duk_get_top(ctx));
return 0;
}
static duk_ret_t test_hasprop(duk_context *ctx, void *udata) {
duk_bool_t ret;
(void) udata;
prep(ctx);
/* Property exists, own property */
ret = duk_has_prop_string(ctx, 0, "foo");
printf("hasprop foo: %d\n", (int) ret);
/* Property exists, inherited property */
ret = duk_has_prop_string(ctx, 0, "bar");
printf("hasprop bar: %d\n", (int) ret);
/* Property doesn't exist, terminate with error */
ret = duk_has_prop_string(ctx, 0, "quux");
printf("hasprop quux: %d\n", (int) ret);
return 0;
}
/* duk_has_prop_string(), success cases */
int test_2a(duk_context *ctx) {
int rc;
prep(ctx);
rc = duk_has_prop_string(ctx, 0, "foo");
printf("obj.foo -> rc=%d\n", rc);
rc = duk_has_prop_string(ctx, 0, "nonexistent");
printf("obj.nonexistent -> rc=%d\n", rc);
rc = duk_has_prop_string(ctx, 0, "123");
printf("obj['123'] -> rc=%d\n", rc);
rc = duk_has_prop_string(ctx, 1, "nonexistent");
printf("arr.nonexistent -> rc=%d\n", rc);
rc = duk_has_prop_string(ctx, 1, "2");
printf("arr['2'] -> rc=%d\n", rc);
rc = duk_has_prop_string(ctx, 1, "length");
printf("arr.length -> rc=%d\n", rc);
printf("final top: %d\n", duk_get_top(ctx));
return 0;
}
/* duk_has_prop_string(), success cases */
static duk_ret_t test_2a(duk_context *ctx, void *udata) {
duk_ret_t rc;
(void) udata;
prep(ctx);
rc = duk_has_prop_string(ctx, 0, "foo");
printf("obj.foo -> rc=%d\n", (int) rc);
rc = duk_has_prop_string(ctx, 0, "nonexistent");
printf("obj.nonexistent -> rc=%d\n", (int) rc);
rc = duk_has_prop_string(ctx, 0, "123");
printf("obj['123'] -> rc=%d\n", (int) rc);
rc = duk_has_prop_string(ctx, 1, "nonexistent");
printf("arr.nonexistent -> rc=%d\n", (int) rc);
rc = duk_has_prop_string(ctx, 1, "2");
printf("arr['2'] -> rc=%d\n", (int) rc);
rc = duk_has_prop_string(ctx, 1, "length");
printf("arr.length -> rc=%d\n", (int) rc);
printf("final top: %ld\n", (long) duk_get_top(ctx));
return 0;
}
/* duk_has_prop_string(), invalid index */
static duk_ret_t test_2b(duk_context *ctx, void *udata) {
duk_ret_t rc;
(void) udata;
prep(ctx);
rc = duk_has_prop_string(ctx, 234, "foo");
printf("obj.foo -> rc=%d\n", (int) rc);
printf("final top: %ld\n", (long) duk_get_top(ctx));
return 0;
}
void queueJavaExceptionForDuktapeError(JNIEnv *env, duk_context *ctx) {
jclass exceptionClass = env->FindClass("com/squareup/duktape/DuktapeException");
// If it's a Duktape error object, try to pull out the full stacktrace.
if (duk_is_error(ctx, -1) && duk_has_prop_string(ctx, -1, "stack")) {
duk_get_prop_string(ctx, -1, "stack");
const char* stack = duk_safe_to_string(ctx, -1);
// Is there an exception thrown from a Java method?
if (duk_has_prop_string(ctx, -2, JAVA_EXCEPTION_PROP_NAME)) {
duk_get_prop_string(ctx, -2, JAVA_EXCEPTION_PROP_NAME);
jthrowable ex = static_cast<jthrowable>(duk_get_pointer(ctx, -1));
// add the Duktape JavaScript stack to this exception.
const jmethodID addDuktapeStack =
env->GetStaticMethodID(exceptionClass,
"addDuktapeStack",
"(Ljava/lang/Throwable;Ljava/lang/String;)V");
env->CallStaticVoidMethod(exceptionClass, addDuktapeStack, ex, env->NewStringUTF(stack));
// Rethrow the Java exception.
env->Throw(ex);
// Pop the Java throwable.
duk_pop(ctx);
} else {
env->ThrowNew(exceptionClass, stack);
}
// Pop the stack text.
duk_pop(ctx);
} else {
// Not an error or no stacktrace, just convert to a string.
env->ThrowNew(exceptionClass, duk_safe_to_string(ctx, -1));
}
duk_pop(ctx);
}
static int get_stack_raw(duk_context *ctx) {
if (!duk_is_object(ctx, -1)) {
return 1;
}
if (!duk_has_prop_string(ctx, -1, "stack")) {
return 1;
}
/* XXX: should check here that object is an Error instance too,
* i.e. 'stack' is special.
*/
duk_get_prop_string(ctx, -1, "stack"); /* caller coerces */
duk_remove(ctx, -2);
return 1;
}
static int get_stack_raw(duk_context *ctx) {
if (!duk_is_object(ctx, -1)) {
return 1;
}
if (!duk_has_prop_string(ctx, -1, "stack")) {
return 1;
}
if (!duk_is_error(ctx, -1)) {
/* Not an Error instance, don't read "stack". */
return 1;
}
duk_get_prop_string(ctx, -1, "stack"); /* caller coerces */
duk_remove(ctx, -2);
return 1;
}
static void print_error(duk_context *ctx, FILE *f) {
if (duk_is_object(ctx, -1) && duk_has_prop_string(ctx, -1, "stack")) {
/* FIXME: print error objects specially */
/* FIXME: pcall the string coercion */
duk_get_prop_string (ctx, -1, "stack");
if (duk_is_string (ctx, -1)) {
fprintf (f, "%s\n", duk_get_string(ctx, -1));
fflush (f);
duk_pop_2 (ctx);
return;
} else {
duk_pop (ctx);
}
}
duk_to_string(ctx, -1);
fprintf (f, "%s\n", duk_get_string(ctx, -1));
fflush (f);
duk_pop(ctx);
}
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;
}
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);
}
//duk_bool_t duk_has_prop_string(duk_context *ctx, duk_idx_t obj_index, const char *key);
duk_bool_t aperl_duk_has_prop_string(duk_context *ctx, duk_idx_t obj_index, const char *key) {
duk_bool_t ret = duk_has_prop_string(ctx, obj_index, key);
return ret;
}
bool Context::hasProp(index_t i, const char* propName)
{
return (duk_has_prop_string(m_handle, i, propName) ? true: false);
}
