/*
* call-seq:
* call_prop(name, params,...) -> obj
* call_prop([names,...], params,...) -> obj
*
* Call a function defined in the global scope with the given parameters. An
* Array of names can be given to call a function on a nested object.
*
* ctx.call_prop("parseInt", "42") #=> 42
* ctx.call_prop(["Math", "pow"], 2, 10) #=> 1024
*
*/
static VALUE ctx_call_prop(int argc, VALUE* argv, VALUE self)
{
struct state *state;
Data_Get_Struct(self, struct state, state);
VALUE prop;
VALUE *prop_args;
rb_scan_args(argc, argv, "1*", &prop, &prop_args);
ctx_get_nested_prop(state, prop);
// Swap receiver and function
duk_swap_top(state->ctx, -2);
// Push arguments
for (int i = 1; i < argc; i++) {
ctx_push_ruby_object(state, argv[i]);
}
if (duk_pcall_method(state->ctx, (argc - 1)) == DUK_EXEC_ERROR) {
raise_ctx_error(state);
}
VALUE res = ctx_stack_to_value(state, -1);
duk_set_top(state->ctx, 0);
return res;
}
duk_int_t duk_peval_file(duk_context *ctx, const char *path) {
duk_int_t rc;
duk_push_string_file_raw(ctx, path, DUK_STRING_PUSH_SAFE);
duk_push_string(ctx, path);
rc = duk_pcompile(ctx, DUK_COMPILE_EVAL);
if (rc != 0) {
return rc;
}
duk_push_global_object(ctx); /* 'this' binding */
rc = duk_pcall_method(ctx, 0);
return rc;
}
AJ_Status AJS_ServiceIO(duk_context* ctx)
{
AJS_IO_PinTriggerCondition condition;
int32_t trigId;
trigId = AJS_TargetIO_PinTrigId(&condition);
if (trigId != AJS_IO_PIN_NO_TRIGGER) {
AJ_InfoPrintf(("triggered on id %d\n", trigId));
/*
* Lookup the pin object in the triggers array
*/
duk_get_global_string(ctx, AJS_IOObjectName);
duk_get_prop_string(ctx, -1, AJS_HIDDEN_PROP("trigs"));
do {
duk_get_prop_index(ctx, -1, trigId);
if (duk_is_object(ctx, -1)) {
/*
* Call the trigger function passing the pin object and value as the argument
*/
duk_get_prop_string(ctx, -1, "trigger");
if (duk_is_callable(ctx, -1)) {
/*
* Pin object is the "this" object
*/
duk_dup(ctx, -2);
duk_push_int(ctx, condition);
if (duk_pcall_method(ctx, 1) != DUK_EXEC_SUCCESS) {
AJS_ConsoleSignalError(ctx);
}
}
/*
* Pop pin object
*/
duk_pop(ctx);
} else {
AJ_ErrPrintf(("Expected a pin object trigId = %d\n", trigId));
}
duk_pop(ctx);
trigId = AJS_TargetIO_PinTrigId(&condition);
} while (trigId != AJS_IO_PIN_NO_TRIGGER);
duk_pop_2(ctx);
}
return AJ_OK;
}
/* Eval is just a wrapper now. */
DUK_EXTERNAL duk_int_t duk_eval_raw(duk_context *ctx, const char *src_buffer, duk_size_t src_length, duk_uint_t flags) {
duk_uint_t comp_flags;
duk_int_t rc;
DUK_ASSERT_CTX_VALID(ctx);
/* Note: strictness is *not* inherited from the current Duktape/C.
* This would be confusing because the current strictness state
* depends on whether we're running inside a Duktape/C activation
* (= strict mode) or outside of any activation (= non-strict mode).
* See tests/api/test-eval-strictness.c for more discussion.
*/
/* [ ... source? filename? ] (depends on flags) */
comp_flags = flags;
comp_flags |= DUK_COMPILE_EVAL;
rc = duk_compile_raw(ctx, src_buffer, src_length, comp_flags); /* may be safe, or non-safe depending on flags */
/* [ ... closure/error ] */
if (rc != DUK_EXEC_SUCCESS) {
rc = DUK_EXEC_ERROR;
goto got_rc;
}
duk_push_global_object(ctx); /* explicit 'this' binding, see GH-164 */
if (flags & DUK_COMPILE_SAFE) {
rc = duk_pcall_method(ctx, 0);
} else {
duk_call_method(ctx, 0);
rc = DUK_EXEC_SUCCESS;
}
/* [ ... result/error ] */
got_rc:
if (flags & DUK_COMPILE_NORESULT) {
duk_pop(ctx);
}
return rc;
}
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_int_t duk_pcall_method(duk_context *ctx, duk_idx_t nargs);
duk_int_t aperl_duk_pcall_method(duk_context *ctx, duk_idx_t nargs) {
duk_int_t ret = duk_pcall_method(ctx, nargs);
return ret;
}
static AJ_Status HandleMessage(duk_context* ctx, duk_idx_t ajIdx, AJ_Message* msg)
{
duk_idx_t msgIdx;
uint8_t accessor = AJS_NOT_ACCESSOR;
const char* func;
AJ_Status status;
uint8_t ldstate;
#if !defined(AJS_CONSOLE_LOCKDOWN)
status = AJS_GetLockdownState(&ldstate);
if (status == AJ_OK && ldstate == AJS_CONSOLE_UNLOCKED) {
status = AJS_ConsoleMsgHandler(ctx, msg);
if (status != AJ_ERR_NO_MATCH) {
if (status != AJ_OK) {
AJ_WarnPrintf(("AJS_ConsoleMsgHandler returned %s\n", AJ_StatusText(status)));
}
return status;
}
}
#endif
/*
* JOIN_SESSION replies are handled in the AllJoyn.js layer and don't get passed to JavaScript
*/
if (msg->msgId == AJ_REPLY_ID(AJ_METHOD_JOIN_SESSION)) {
return AJS_HandleJoinSessionReply(ctx, msg);
}
/*
* Nothing more to do if the AllJoyn module was not loaded
*/
if (ajIdx < 0) {
return AJ_OK;
}
/*
* Let the bases services layer take a look at the message
*/
status = AJS_ServicesMsgHandler(msg);
if (status != AJ_ERR_NO_MATCH) {
if (status != AJ_OK) {
AJ_WarnPrintf(("AJS_ServicesMsgHandler returned %s\n", AJ_StatusText(status)));
}
return status;
}
/*
* Push the appropriate callback function onto the duktape stack
*/
if (msg->hdr->msgType == AJ_MSG_SIGNAL) {
/*
* About announcements and found name signal get special handling
*/
if (msg->msgId == AJ_SIGNAL_ABOUT_ANNOUNCE) {
return AJS_AboutAnnouncement(ctx, msg);
}
if (msg->msgId == AJ_SIGNAL_FOUND_ADV_NAME) {
return AJS_FoundAdvertisedName(ctx, msg);
}
if ((msg->msgId == AJ_SIGNAL_SESSION_LOST) || (msg->msgId == AJ_SIGNAL_SESSION_LOST_WITH_REASON)) {
if (AJS_DebuggerIsAttached()) {
msg = AJS_CloneAndCloseMessage(ctx, msg);
}
return AJS_SessionLost(ctx, msg);
}
func = "onSignal";
duk_get_prop_string(ctx, ajIdx, func);
} else if (msg->hdr->msgType == AJ_MSG_METHOD_CALL) {
accessor = IsPropAccessor(msg);
switch (accessor) {
case AJS_NOT_ACCESSOR:
func = "onMethodCall";
break;
case AJ_PROP_GET:
func = "onPropGet";
break;
case AJ_PROP_SET:
func = "onPropSet";
break;
case AJ_PROP_GET_ALL:
func = "onPropGetAll";
break;
default:
return AJ_ERR_INVALID;
}
duk_get_prop_string(ctx, ajIdx, func);
} else {
func = "onReply";
AJS_GetGlobalStashObject(ctx, func);
if (duk_is_object(ctx, -1)) {
duk_get_prop_index(ctx, -1, msg->replySerial);
duk_swap_top(ctx, -2);
/*
* Clear the onReply entry
*/
duk_del_prop_index(ctx, -1, msg->replySerial);
duk_pop(ctx);
}
}
/*
* Skip if there is no function to call.
*/
if (!duk_is_function(ctx, -1)) {
if (msg->hdr->msgType == AJ_MSG_METHOD_CALL) {
AJ_Message error;
AJ_WarnPrintf(("%s: not registered - rejecting message\n", func));
AJ_MarshalErrorMsg(msg, &error, AJ_ErrRejected);
status = AJ_DeliverMsg(&error);
} else {
AJ_WarnPrintf(("%s: not registered - ignoring message\n", func));
status = AJ_OK;
}
duk_pop(ctx);
return status;
}
/*
* Opens up a stack entry above the function
*/
duk_dup_top(ctx);
msgIdx = AJS_UnmarshalMessage(ctx, msg, accessor);
AJ_ASSERT(msgIdx == (ajIdx + 3));
/*
* Save the message object on the stack
*/
duk_copy(ctx, msgIdx, -3);
/*
* Special case for GET prop so we can get the signature for marshalling the result
*/
if (accessor == AJS_NOT_ACCESSOR) {
status = AJS_UnmarshalMsgArgs(ctx, msg);
} else {
status = AJS_UnmarshalPropArgs(ctx, msg, accessor, msgIdx);
}
if (status == AJ_OK) {
duk_idx_t numArgs = duk_get_top(ctx) - msgIdx - 1;
/*
* If attached, the debugger will begin to unmarshal a message when the
* method handler is called, therefore it must be cloned-and-closed now.
*/
if (AJS_DebuggerIsAttached()) {
msg = AJS_CloneAndCloseMessage(ctx, msg);
}
if (duk_pcall_method(ctx, numArgs) != DUK_EXEC_SUCCESS) {
const char* err = duk_safe_to_string(ctx, -1);
AJ_ErrPrintf(("%s: %s\n", func, err));
/*
* Generate an error reply if this was a method call
*/
if (msg->hdr->msgType == AJ_MSG_METHOD_CALL) {
duk_push_c_lightfunc(ctx, AJS_MethodCallError, 1, 0, 0);
duk_insert(ctx, -3);
(void)duk_pcall_method(ctx, 1);
}
}
}
/*
* Cleanup stack back to the AJ object
*/
duk_set_top(ctx, ajIdx + 1);
return status;
}
/*
* Call a JS method/function.
* Usage: call token method this ?{arg ?type?}? ...
* Return value: the result of the method call coerced to string.
* Side effects: may change the Duktape interpreter heap.
*/
static int
CallMethod_Cmd(ClientData cdata, Tcl_Interp *interp, int objc,
Tcl_Obj *const objv[])
{
int i;
int list_length;
int tableIndex;
int int_value;
double double_value;
duk_context *ctx;
duk_int_t duk_result;
Tcl_Obj *value;
Tcl_Obj *type;
static const char *types[] = {
"boolean",
"nan",
"null",
"number",
"string",
"undefined",
(char *)NULL
};
enum types {
TYPE_BOOLEAN,
TYPE_NAN,
TYPE_NULL,
TYPE_NUMBER,
TYPE_STRING,
TYPE_UNDEFINED
};
if (objc < 4) {
Tcl_WrongNumArgs(interp, 1, objv, USAGE_CALL_METHOD);
return TCL_ERROR;
}
ctx = parse_id(cdata, interp, objv[1], 0);
if (ctx == NULL) {
return TCL_ERROR;
}
/* Eval the function name and "this" to put them on the stack. */
for (i = 2; i < 4; i++)
{
duk_result = duk_peval_string(ctx, Tcl_GetString(objv[i]));
if (duk_result != 0) {
Tcl_SetObjResult(interp,
Tcl_NewStringObj(
duk_safe_to_string(ctx, -1), -1));
duk_pop(ctx);
return TCL_ERROR;
}
}
/* Push the arguments. */
for (i = 4; i < objc; i++) {
if (Tcl_ListObjIndex(interp, objv[i], 0, &value) != TCL_OK) {
return TCL_ERROR;
}
if (Tcl_ListObjLength(interp, objv[i], &list_length) != TCL_OK) {
return TCL_ERROR;
}
if (list_length == 2) {
if (Tcl_ListObjIndex(interp, objv[i], 1, &type) != TCL_OK) {
return TCL_ERROR;
}
if (Tcl_GetIndexFromObj(interp, type, types, "type", 0,
&tableIndex) != TCL_OK) {
return TCL_ERROR;
}
} else if (list_length == 1) {
tableIndex = TYPE_STRING;
} else {
Tcl_SetObjResult(interp, Tcl_NewStringObj(ERROR_ARG_LENGTH, -1));
return TCL_ERROR;
}
switch ((enum types) tableIndex) {
case TYPE_BOOLEAN:
if (Tcl_GetIntFromObj(interp, value, &int_value) != TCL_OK) {
return TCL_ERROR;
}
duk_push_boolean(ctx, int_value);
break;
case TYPE_NAN:
duk_push_nan(ctx);
break;
case TYPE_NULL:
duk_push_null(ctx);
break;
case TYPE_NUMBER:
if (Tcl_GetDoubleFromObj(interp, value,
&double_value) != TCL_OK) {
return TCL_ERROR;
}
duk_push_number(ctx, double_value);
break;
case TYPE_UNDEFINED:
duk_push_undefined(ctx);
break;
case TYPE_STRING:
default:
duk_push_string(ctx, Tcl_GetString(value));
break;
}
}
duk_result = duk_pcall_method(ctx, objc - 4);
Tcl_SetObjResult(interp, Tcl_NewStringObj(duk_safe_to_string(ctx, -1), -1));
duk_pop(ctx);
if (duk_result == 0) {
return TCL_OK;
} else {
return TCL_ERROR;
}
}
static duk_ret_t duv_main(duk_context *ctx) {
duk_require_string(ctx, 0);
{
duk_push_global_object(ctx);
duk_dup(ctx, -1);
duk_put_prop_string(ctx, -2, "global");
duk_push_boolean(ctx, 1);
duk_put_prop_string(ctx, -2, "dukluv");
// [global]
// Load duv module into global uv
duk_push_c_function(ctx, dukopen_uv, 0);
duk_call(ctx, 0);
// [global obj]
duk_put_prop_string(ctx, -2, "uv");
// Replace the module loader with Duktape 2.x polyfill.
duk_get_prop_string(ctx, -1, "Duktape");
duk_del_prop_string(ctx, -1, "modSearch");
duk_push_c_function(ctx, duv_mod_compile, 1);
duk_put_prop_string(ctx, -2, "modCompile");
duk_push_c_function(ctx, duv_mod_resolve, 1);
duk_put_prop_string(ctx, -2, "modResolve");
duk_push_c_function(ctx, duv_mod_load, 0);
duk_put_prop_string(ctx, -2, "modLoad");
duk_push_c_function(ctx, duv_loadlib, 2);
duk_put_prop_string(ctx, -2, "loadlib");
duk_pop(ctx);
// Put in some quick globals to test things.
duk_push_c_function(ctx, duv_path_join, DUK_VARARGS);
duk_put_prop_string(ctx, -2, "pathJoin");
duk_push_c_function(ctx, duv_loadfile, 1);
duk_put_prop_string(ctx, -2, "loadFile");
// require.call({id:uv.cwd()+"/main.c"}, path);
duk_push_c_function(ctx, duv_require, 1);
{
// Store this require function in the module prototype
duk_push_global_stash(ctx);
duk_push_object(ctx);
duk_dup(ctx, -3);
duk_put_prop_string(ctx, -2, "require");
duk_put_prop_string(ctx, -2, "modulePrototype");
duk_pop(ctx);
}
}
{
duk_push_object(ctx);
duk_push_c_function(ctx, duv_cwd, 0);
duk_call(ctx, 0);
duk_push_string(ctx, "/main.c");
duk_concat(ctx, 2);
duk_put_prop_string(ctx, -2, "id");
}
duk_dup(ctx, 0);
//[arg.js global duv_require obj arg.js]
duk_int_t ret = duk_pcall_method(ctx, 1);
if (ret) {
duv_dump_error(ctx, -1);
return 0;
}
return 0;
}
