static duk_ret_t test_basic(duk_context *ctx) { void *ptr; duk_size_t sz; int i; duk_set_top(ctx, 0); duk_push_fixed_buffer(ctx, 1024); duk_push_fixed_buffer(ctx, 0); duk_push_dynamic_buffer(ctx, 1024); duk_push_dynamic_buffer(ctx, 0); for (i = 0; i < 4; i++) { sz = (duk_size_t) 0xdeadbeefUL; ptr = duk_require_buffer(ctx, i, &sz); printf("buffer: ptr-is-NULL=%d, sz=%ld\n", (sz == 0 ? -1 : (ptr == NULL ? 1 : 0)), (long) sz); /* NULL pointer */ sz = (duk_size_t) 0xdeadbeefUL; ptr = duk_require_buffer(ctx, i, NULL); printf("buffer\n"); } return 0; }
static duk_ret_t test__buffer(duk_context *ctx, void *udata) { duk_size_t sz; (void) udata; (void) duk_require_buffer(ctx, -3, &sz); return 0; }
int test_4(duk_context *ctx) { void *ptr; size_t sz; duk_set_top(ctx, 0); sz = (size_t) 0xdeadbeef; ptr = duk_require_buffer(ctx, DUK_INVALID_INDEX, &sz); printf("buffer ok: %p\n", ptr); /* ok to print, should not be reached */ return 0; }
static duk_ret_t test_invalid_index1(duk_context *ctx) { void *ptr; duk_size_t sz; duk_set_top(ctx, 0); sz = (duk_size_t) 0xdeadbeefUL; ptr = duk_require_buffer(ctx, 0, &sz); printf("buffer ok: %p\n", ptr); /* ok to print, should not be reached */ return 0; }
static void dump_buffer(duk_context *ctx) { unsigned char *p; duk_size_t i, sz; p = (unsigned char *) duk_require_buffer(ctx, -1, &sz); printf("%lu bytes (%s):", (unsigned long) sz, (int) duk_is_dynamic_buffer(ctx, -1) ? "dynamic" : "fixed"); for (i = 0; i < sz; i++) { printf(" %d", (int) p[i]); } printf("\n"); }
static duk_ret_t test_buffer_object(duk_context *ctx) { void *ptr; duk_size_t sz; /* duk_require_buffer() doesn't accept a buffer object */ duk_set_top(ctx, 0); duk_eval_string(ctx, "new ArrayBuffer(16)"); sz = (duk_size_t) 0xdeadbeefUL; ptr = duk_require_buffer(ctx, -1, &sz); printf("buffer ok: %p\n", ptr); /* ok to print, should not be reached */ return 0; }
int test_1(duk_context *ctx) { void *ptr; size_t sz; int i; duk_set_top(ctx, 0); duk_push_fixed_buffer(ctx, 1024); duk_push_fixed_buffer(ctx, 0); duk_push_dynamic_buffer(ctx, 1024); duk_push_dynamic_buffer(ctx, 0); for (i = 0; i < 4; i++) { sz = (size_t) 0xdeadbeef; ptr = duk_require_buffer(ctx, i, &sz); printf("buffer: ptr-is-NULL=%d, sz=%d\n", (sz == 0 ? -1 : (ptr == NULL ? 1 : 0)), (int) sz); sz = (size_t) 0xdeadbeef; ptr = duk_require_buffer(ctx, i, NULL); printf("buffer\n"); } return 0; }
/* Default function to write a formatted log line. Writes to stderr, * appending a newline to the log line. * * The argument is a buffer whose visible size contains the log message. * This function should avoid coercing the buffer to a string to avoid * string table traffic. */ DUK_INTERNAL duk_ret_t duk_bi_logger_prototype_raw(duk_context *ctx) { const char *data; duk_size_t data_len; DUK_UNREF(ctx); DUK_UNREF(data); DUK_UNREF(data_len); #ifdef DUK_USE_FILE_IO data = (const char *) duk_require_buffer(ctx, 0, &data_len); DUK_FWRITE((const void *) data, 1, data_len, DUK_STDERR); DUK_FPUTC((int) '\n', DUK_STDERR); DUK_FFLUSH(DUK_STDERR); #else /* nop */ #endif return 0; }
DUK_EXTERNAL void duk_load_function(duk_context *ctx) { duk_hthread *thr; duk_uint8_t *p_buf, *p, *p_end; duk_size_t sz; DUK_ASSERT(ctx != NULL); thr = (duk_hthread *) ctx; DUK_UNREF(ctx); p_buf = (duk_uint8_t *) duk_require_buffer(ctx, -1, &sz); DUK_ASSERT(p_buf != NULL); /* The caller is responsible for being sure that bytecode being loaded * is valid and trusted. Invalid bytecode can cause memory unsafe * behavior directly during loading or later during bytecode execution * (instruction validation would be quite complex to implement). * * This signature check is the only sanity check for detecting * accidental invalid inputs. The initial 0xFF byte ensures no * ordinary string will be accepted by accident. */ p = p_buf; p_end = p_buf + sz; if (sz < 2 || p[0] != DUK__SER_MARKER || p[1] != DUK__SER_VERSION) { goto format_error; } p += 2; p = duk__load_func(ctx, p, p_end); if (p == NULL) { goto format_error; } duk_remove(ctx, -2); /* [ ... buf func ] -> [ ... func ] */ return; format_error: DUK_ERROR(thr, DUK_ERR_TYPE_ERROR, DUK_STR_DECODE_FAILED); }
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 int wrapped_compile_execute(duk_context *ctx) { const char *src_data; duk_size_t src_len; int comp_flags; /* XXX: Here it'd be nice to get some stats for the compilation result * when a suitable command line is given (e.g. code size, constant * count, function count. These are available internally but not through * the public API. */ /* Use duk_compile_lstring_filename() variant which avoids interning * the source code. This only really matters for low memory environments. */ /* [ ... bytecode_filename src_data src_len filename ] */ src_data = (const char *) duk_require_pointer(ctx, -3); src_len = (duk_size_t) duk_require_uint(ctx, -2); if (src_data != NULL && src_len >= 2 && src_data[0] == (char) 0xff) { /* Bytecode. */ duk_push_lstring(ctx, src_data, src_len); duk_to_buffer(ctx, -1, NULL); duk_load_function(ctx); } else { /* Source code. */ comp_flags = 0; duk_compile_lstring_filename(ctx, comp_flags, src_data, src_len); } /* [ ... bytecode_filename src_data src_len function ] */ /* Optional bytecode dump. */ if (duk_is_string(ctx, -4)) { FILE *f; void *bc_ptr; duk_size_t bc_len; size_t wrote; duk_dup_top(ctx); duk_dump_function(ctx); bc_ptr = duk_require_buffer(ctx, -1, &bc_len); f = fopen(duk_require_string(ctx, -5), "wb"); if (!f) { duk_error(ctx, DUK_ERR_ERROR, "failed to open bytecode output file"); } wrote = fwrite(bc_ptr, 1, (size_t) bc_len, f); /* XXX: handle partial writes */ (void) fclose(f); if (wrote != bc_len) { duk_error(ctx, DUK_ERR_ERROR, "failed to write all bytecode"); } return 0; /* duk_safe_call() cleans up */ } #if 0 /* Manual test for bytecode dump/load cycle: dump and load before * execution. Enable manually, then run "make qecmatest" for a * reasonably good coverage of different functions and programs. */ duk_dump_function(ctx); duk_load_function(ctx); #endif #if defined(DUK_CMDLINE_AJSHEAP) ajsheap_start_exec_timeout(); #endif duk_push_global_object(ctx); /* 'this' binding */ duk_call_method(ctx, 0); #if defined(DUK_CMDLINE_AJSHEAP) ajsheap_clear_exec_timeout(); #endif if (interactive_mode) { /* * In interactive mode, write to stdout so output won't * interleave as easily. * * NOTE: the ToString() coercion may fail in some cases; * for instance, if you evaluate: * * ( {valueOf: function() {return {}}, * toString: function() {return {}}}); * * The error is: * * TypeError: failed to coerce with [[DefaultValue]] * duk_api.c:1420 * * These are handled now by the caller which also has stack * trace printing support. User code can print out errors * safely using duk_safe_to_string(). */ fprintf(stdout, "= %s\n", duk_to_string(ctx, -1)); fflush(stdout); } else { /* In non-interactive mode, success results are not written at all. * It is important that the result value is not string coerced, * as the string coercion may cause an error in some cases. */ } return 0; /* duk_safe_call() cleans up */ }
//void *duk_require_buffer(duk_context *ctx, duk_idx_t index, duk_size_t *out_size); void *aperl_duk_require_buffer(duk_context *ctx, duk_idx_t index, SV *out_len) { duk_size_t sz; void *ret = duk_require_buffer(ctx, index, &sz); sv_setnv(out_len, sz); return ret; }