static duk_ret_t test_1(duk_context *ctx) { duk_size_t i, n; char *buf; duk_set_top(ctx, 0); duk_push_undefined(ctx); duk_push_null(ctx); duk_push_true(ctx); duk_push_false(ctx); duk_push_nan(ctx); duk_push_number(ctx, -INFINITY); duk_push_number(ctx, +INFINITY); duk_push_number(ctx, -0.0); duk_push_number(ctx, +0.0); duk_push_int(ctx, 123); duk_push_string(ctx, "foo"); duk_push_lstring(ctx, "foo\0bar", 7); /* internal NULs are kept */ duk_push_object(ctx); buf = (char *) duk_push_fixed_buffer(ctx, 0); buf = (char *) duk_push_fixed_buffer(ctx, 16); for (i = 0; i < 16; i++) { buf[i] = i; } buf = (char *) duk_push_dynamic_buffer(ctx, 0); buf = (char *) duk_push_dynamic_buffer(ctx, 16); for (i = 0; i < 16; i++) { buf[i] = i; } duk_push_pointer(ctx, (void *) NULL); duk_push_pointer(ctx, (void *) 0xdeadbeef); n = duk_get_top(ctx); printf("top: %ld\n", (long) n); for (i = 0; i < n; i++) { duk_int_t t1, t2; void *ptr; duk_size_t sz; duk_dup(ctx, i); t1 = duk_get_type(ctx, -1); sz = (duk_size_t) 0xdeadbeef; ptr = duk_to_buffer(ctx, -1, &sz); t2 = duk_get_type(ctx, -1); printf("index %ld, type %ld -> %ld, ptr-is-NULL %d, size %lu\n", (long) i, (long) t1, (long) t2, (sz == 0 ? -1 : (ptr == NULL ? 1 : 0)), (unsigned long) sz); dump_buffer(ctx); duk_pop(ctx); /* just check that this doesn't break */ duk_dup(ctx, i); ptr = duk_to_buffer(ctx, -1, NULL); duk_pop(ctx); } return 0; }
/** * fd, buffer, offset, length, position */ static int es_file_write(duk_context *ctx) { es_fd_t *efd = es_fd_get(ctx, 0); duk_size_t bufsize; char *buf = duk_to_buffer(ctx, 1, &bufsize); int len; const int offset = duk_to_int(ctx, 2); if(duk_is_null(ctx, 3)) { len = bufsize; } else { len = duk_to_int(ctx, 3); } // Don't read past buffer end if(offset + len > bufsize) len = bufsize - offset; if(!duk_is_null(ctx, 4)) { // Seek fa_seek(efd->efd_fh, duk_require_number(ctx, 4), SEEK_SET); } int r = fa_write(efd->efd_fh, buf + offset, len); if(r < 0) duk_error(ctx, DUK_ERR_ERROR, "Write error to '%s'", efd->efd_path); duk_push_int(ctx, r); return 1; }
static duk_ret_t test_3(duk_context *ctx, void *udata) { (void) udata; duk_set_top(ctx, 0); (void) duk_to_buffer(ctx, DUK_INVALID_INDEX, NULL); printf("index DUK_INVALID_INDEX OK\n"); return 0; }
static duk_ret_t test_2(duk_context *ctx, void *udata) { (void) udata; duk_set_top(ctx, 0); (void) duk_to_buffer(ctx, 3, NULL); printf("index 3 OK\n"); return 0; }
static BindingInfo * GetBinding( duk_context * ctx ) { duk_push_global_stash( ctx ); duk_get_prop_string( ctx, -1, DUKBIND_BINDING_NAME ); duk_size_t buffer_size; void * buffer = duk_to_buffer( ctx, -1, &buffer_size); dukbind_assert( buffer_size == sizeof( BindingInfo * ), "Invalid buffer size" ); duk_pop_2( ctx ); return *reinterpret_cast<BindingInfo**>( buffer ); }
static int sys1_write(duk_context *ctx) { int fd = duk_to_int(ctx, 0); size_t bufsize; void *buf = duk_to_buffer(ctx, 1, &bufsize); int len = duk_to_int(ctx, 2); ssize_t rc; rc = write(fd, buf, len); duk_push_int(ctx, rc); return 1; }
void * Get( duk_context * ctx, duk_idx_t index, size_t & class_index, finalizer_t & finalizer ) { duk_size_t size; duk_get_prop_string( ctx, index, "\xFF" "Box" ); dukbind_assert( duk_is_fixed_buffer( ctx, -1 ), "Boxing is always implemented as fixed buffer" ); Box * box = reinterpret_cast<Box*>( duk_to_buffer( ctx, -1, &size ) ); duk_pop( ctx ); dukbind_assert( sizeof( Box ) <= size, "Fixed buffer is not a box" ); class_index = box->ClassIndex; finalizer = box->Finalizer; return box->ObjectPointer; }
/* When converting from an external buffer to a "don't care" buffer, * an external buffer is kept as is. */ static duk_ret_t test_6c(duk_context *ctx) { unsigned char buf[16]; int i; unsigned char *p; duk_size_t sz; for (i = 0; i < 16; i++) { buf[i] = (unsigned char) i; } duk_push_external_buffer(ctx); duk_config_buffer(ctx, -1, (void *) buf, 16); p = (unsigned char *) duk_to_buffer(ctx, -1, &sz); printf("sz=%ld\n", (long) sz); fflush(stdout); p[0] = (unsigned char) 123; printf("p[0]=%u, buf[0]=%u\n", (unsigned int) p[0], (unsigned int) buf[0]); duk_pop(ctx); printf("final top: %ld\n", (long) duk_get_top(ctx)); return 0; }
int duk_bi_buffer_constructor(duk_context *ctx) { if (duk_get_top(ctx) == 0) { (void) duk_push_fixed_buffer(ctx, 0); } else { duk_to_buffer(ctx, 0, NULL); } DUK_ASSERT(duk_is_buffer(ctx, 0)); duk_set_top(ctx, 1); if (duk_is_constructor_call(ctx)) { duk_push_object_helper(ctx, DUK_HOBJECT_FLAG_EXTENSIBLE | DUK_HOBJECT_FLAG_SPECIAL_BUFFEROBJ | DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_BUFFER), DUK_BIDX_BUFFER_PROTOTYPE); /* Buffer object internal value is immutable */ duk_dup(ctx, 0); duk_def_prop_stridx(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_NONE); } /* Note: unbalanced stack on purpose */ return 1; }
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; }
int test_3(duk_context *ctx) { duk_set_top(ctx, 0); (void) duk_to_buffer(ctx, DUK_INVALID_INDEX, NULL); printf("index DUK_INVALID_INDEX OK\n"); return 0; }
int test_2(duk_context *ctx) { duk_set_top(ctx, 0); (void) duk_to_buffer(ctx, 3, NULL); printf("index 3 OK\n"); 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_to_buffer(duk_context *ctx, duk_idx_t index, duk_size_t *out_size); void *aperl_duk_to_buffer(duk_context *ctx, duk_idx_t index, SV *out_len) { duk_size_t sz; void *ret = duk_to_buffer(ctx, index, &sz); sv_setnv(out_len, sz); return ret; }