static duk_ret_t duk__console_log_helper(duk_context *ctx, const char *error_name) {
duk_idx_t i, n;
n = duk_get_top(ctx);
duk_get_global_string(ctx, "console");
duk_get_prop_string(ctx, -1, "format");
for (i = 0; i < n; i++) {
if (duk_check_type_mask(ctx, i, DUK_TYPE_MASK_OBJECT)) {
/* Slow path formatting. */
duk_dup(ctx, -1); /* console.format */
duk_dup(ctx, i);
duk_call(ctx, 1);
duk_replace(ctx, i); /* arg[i] = console.format(arg[i]); */
}
}
duk_pop_2(ctx);
duk_push_string(ctx, " ");
duk_insert(ctx, 0);
duk_join(ctx, n);
if (error_name) {
duk_push_error_object(ctx, DUK_ERR_ERROR, "%s", duk_require_string(ctx, -1));
duk_push_string(ctx, "name");
duk_push_string(ctx, error_name);
duk_def_prop(ctx, -3, DUK_DEFPROP_FORCE | DUK_DEFPROP_HAVE_VALUE); /* to get e.g. 'Trace: 1 2 3' */
duk_get_prop_string(ctx, -1, "stack");
}
printf("%s\n", duk_to_string(ctx, -1));
return 0;
}
static duk_ret_t my_print(duk_context *ctx) {
duk_push_string(ctx, " ");
duk_insert(ctx, 0);
duk_join(ctx, duk_get_top(ctx) - 1);
printf("%s\n", duk_safe_to_string(ctx, -1));
return 0;
}
void test(duk_context *ctx) {
duk_push_string(ctx, "; ");
duk_push_string(ctx, "foo");
duk_push_int(ctx, 123);
duk_push_true(ctx);
duk_join(ctx, 3);
printf("result: %s\n", duk_get_string(ctx, -1));
duk_pop(ctx);
}
static duk_ret_t duk__console_log_helper(duk_context *ctx, const char *error_name) {
duk_uint_t flags = (duk_uint_t) duk_get_current_magic(ctx);
FILE *output = (flags & DUK_CONSOLE_STDOUT_ONLY) ? stdout : stderr;
duk_idx_t n = duk_get_top(ctx);
duk_idx_t i;
duk_get_global_string(ctx, "console");
duk_get_prop_string(ctx, -1, "format");
for (i = 0; i < n; i++) {
if (duk_check_type_mask(ctx, i, DUK_TYPE_MASK_OBJECT)) {
/* Slow path formatting. */
duk_dup(ctx, -1); /* console.format */
duk_dup(ctx, i);
duk_call(ctx, 1);
duk_replace(ctx, i); /* arg[i] = console.format(arg[i]); */
}
}
duk_pop_2(ctx);
duk_push_string(ctx, " ");
duk_insert(ctx, 0);
duk_join(ctx, n);
if (error_name) {
duk_push_error_object(ctx, DUK_ERR_ERROR, "%s", duk_require_string(ctx, -1));
duk_push_string(ctx, "name");
duk_push_string(ctx, error_name);
duk_def_prop(ctx, -3, DUK_DEFPROP_FORCE | DUK_DEFPROP_HAVE_VALUE); /* to get e.g. 'Trace: 1 2 3' */
duk_get_prop_string(ctx, -1, "stack");
}
fprintf(output, "%s\n", duk_to_string(ctx, -1));
if (flags & DUK_CONSOLE_FLUSH) {
fflush(output);
}
return 0;
}
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;
}
DUK_INTERNAL duk_ret_t duk_bi_function_constructor(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hstring *h_sourcecode;
duk_idx_t nargs;
duk_idx_t i;
duk_small_uint_t comp_flags;
duk_hcompiledfunction *func;
duk_hobject *outer_lex_env;
duk_hobject *outer_var_env;
/* normal and constructor calls have identical semantics */
nargs = duk_get_top(ctx);
for (i = 0; i < nargs; i++) {
duk_to_string(ctx, i);
}
if (nargs == 0) {
duk_push_string(ctx, "");
duk_push_string(ctx, "");
} else if (nargs == 1) {
/* XXX: cover this with the generic >1 case? */
duk_push_string(ctx, "");
} else {
duk_insert(ctx, 0); /* [ arg1 ... argN-1 body] -> [body arg1 ... argN-1] */
duk_push_string(ctx, ",");
duk_insert(ctx, 1);
duk_join(ctx, nargs - 1);
}
/* [ body formals ], formals is comma separated list that needs to be parsed */
DUK_ASSERT_TOP(ctx, 2);
/* XXX: this placeholder is not always correct, but use for now.
* It will fail in corner cases; see test-dev-func-cons-args.js.
*/
duk_push_string(ctx, "function(");
duk_dup(ctx, 1);
duk_push_string(ctx, "){");
duk_dup(ctx, 0);
duk_push_string(ctx, "}");
duk_concat(ctx, 5);
/* [ body formals source ] */
DUK_ASSERT_TOP(ctx, 3);
/* strictness is not inherited, intentional */
comp_flags = DUK_JS_COMPILE_FLAG_FUNCEXPR;
duk_push_hstring_stridx(ctx, DUK_STRIDX_COMPILE); /* XXX: copy from caller? */ /* XXX: ignored now */
h_sourcecode = duk_require_hstring(ctx, -2);
duk_js_compile(thr,
(const duk_uint8_t *) DUK_HSTRING_GET_DATA(h_sourcecode),
(duk_size_t) DUK_HSTRING_GET_BYTELEN(h_sourcecode),
comp_flags);
func = (duk_hcompiledfunction *) duk_get_hobject(ctx, -1);
DUK_ASSERT(func != NULL);
DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION((duk_hobject *) func));
/* [ body formals source template ] */
/* only outer_lex_env matters, as functions always get a new
* variable declaration environment.
*/
outer_lex_env = thr->builtins[DUK_BIDX_GLOBAL_ENV];
outer_var_env = thr->builtins[DUK_BIDX_GLOBAL_ENV];
duk_js_push_closure(thr, func, outer_var_env, outer_lex_env, 1 /*add_auto_proto*/);
/* [ body formals source template closure ] */
return 1;
}
DUK_LOCAL duk_ret_t duk__error_getter_helper(duk_context *ctx, duk_small_int_t output_type) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_idx_t idx_td;
duk_small_int_t i; /* traceback depth fits into 16 bits */
duk_small_int_t t; /* stack type fits into 16 bits */
duk_small_int_t count_func = 0; /* traceback depth ensures fits into 16 bits */
const char *str_tailcall = " tailcall";
const char *str_strict = " strict";
const char *str_construct = " construct";
const char *str_prevyield = " preventsyield";
const char *str_directeval = " directeval";
const char *str_empty = "";
DUK_ASSERT_TOP(ctx, 0); /* fixed arg count */
DUK_UNREF(thr);
duk_push_this(ctx);
duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_TRACEDATA);
idx_td = duk_get_top_index(ctx);
duk_push_hstring_stridx(ctx, DUK_STRIDX_NEWLINE_4SPACE);
duk_push_this(ctx);
/* [ ... this tracedata sep this ] */
/* XXX: skip null filename? */
if (duk_check_type(ctx, idx_td, DUK_TYPE_OBJECT)) {
/* Current tracedata contains 2 entries per callstack entry. */
for (i = 0; ; i += 2) {
duk_int_t pc;
duk_int_t line;
duk_int_t flags;
duk_double_t d;
const char *funcname;
const char *filename;
duk_hobject *h_func;
duk_hstring *h_name;
duk_require_stack(ctx, 5);
duk_get_prop_index(ctx, idx_td, i);
duk_get_prop_index(ctx, idx_td, i + 1);
d = duk_to_number(ctx, -1);
pc = (duk_int_t) DUK_FMOD(d, DUK_DOUBLE_2TO32);
flags = (duk_int_t) DUK_FLOOR(d / DUK_DOUBLE_2TO32);
t = (duk_small_int_t) duk_get_type(ctx, -2);
if (t == DUK_TYPE_OBJECT || t == DUK_TYPE_LIGHTFUNC) {
/*
* Ecmascript/native function call or lightfunc call
*/
count_func++;
/* [ ... v1(func) v2(pc+flags) ] */
h_func = duk_get_hobject(ctx, -2); /* NULL for lightfunc */
duk_get_prop_stridx(ctx, -2, DUK_STRIDX_NAME);
duk_get_prop_stridx(ctx, -3, DUK_STRIDX_FILE_NAME);
#if defined(DUK_USE_PC2LINE)
line = duk_hobject_pc2line_query(ctx, -4, (duk_uint_fast32_t) pc);
#else
line = 0;
#endif
/* [ ... v1 v2 name filename ] */
/* When looking for .fileName/.lineNumber, blame first
* function which has a .fileName.
*/
if (duk_is_string(ctx, -1)) {
if (output_type == DUK__OUTPUT_TYPE_FILENAME) {
return 1;
} else if (output_type == DUK__OUTPUT_TYPE_LINENUMBER) {
duk_push_int(ctx, line);
return 1;
}
}
/* XXX: Change 'anon' handling here too, to use empty string for anonymous functions? */
/* XXX: Could be improved by coercing to a readable duk_tval (especially string escaping) */
h_name = duk_get_hstring(ctx, -2); /* may be NULL */
funcname = (h_name == NULL || h_name == DUK_HTHREAD_STRING_EMPTY_STRING(thr)) ?
"[anon]" : (const char *) DUK_HSTRING_GET_DATA(h_name);
filename = duk_get_string(ctx, -1);
filename = filename ? filename : "";
DUK_ASSERT(funcname != NULL);
DUK_ASSERT(filename != NULL);
if (h_func == NULL) {
duk_push_sprintf(ctx, "at %s light%s%s%s%s%s",
(const char *) funcname,
(const char *) ((flags & DUK_ACT_FLAG_STRICT) ? str_strict : str_empty),
(const char *) ((flags & DUK_ACT_FLAG_TAILCALLED) ? str_tailcall : str_empty),
(const char *) ((flags & DUK_ACT_FLAG_CONSTRUCT) ? str_construct : str_empty),
(const char *) ((flags & DUK_ACT_FLAG_DIRECT_EVAL) ? str_directeval : str_empty),
(const char *) ((flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty));
} else if (DUK_HOBJECT_HAS_NATFUNC(h_func)) {
duk_push_sprintf(ctx, "at %s (%s) native%s%s%s%s%s",
(const char *) funcname,
(const char *) filename,
(const char *) ((flags & DUK_ACT_FLAG_STRICT) ? str_strict : str_empty),
(const char *) ((flags & DUK_ACT_FLAG_TAILCALLED) ? str_tailcall : str_empty),
(const char *) ((flags & DUK_ACT_FLAG_CONSTRUCT) ? str_construct : str_empty),
(const char *) ((flags & DUK_ACT_FLAG_DIRECT_EVAL) ? str_directeval : str_empty),
(const char *) ((flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty));
} else {
duk_push_sprintf(ctx, "at %s (%s:%ld)%s%s%s%s%s",
(const char *) funcname,
(const char *) filename,
(long) line,
(const char *) ((flags & DUK_ACT_FLAG_STRICT) ? str_strict : str_empty),
(const char *) ((flags & DUK_ACT_FLAG_TAILCALLED) ? str_tailcall : str_empty),
(const char *) ((flags & DUK_ACT_FLAG_CONSTRUCT) ? str_construct : str_empty),
(const char *) ((flags & DUK_ACT_FLAG_DIRECT_EVAL) ? str_directeval : str_empty),
(const char *) ((flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty));
}
duk_replace(ctx, -5); /* [ ... v1 v2 name filename str ] -> [ ... str v2 name filename ] */
duk_pop_n(ctx, 3); /* -> [ ... str ] */
} else if (t == DUK_TYPE_STRING) {
/*
* __FILE__ / __LINE__ entry, here 'pc' is line number directly.
* Sometimes __FILE__ / __LINE__ is reported as the source for
* the error (fileName, lineNumber), sometimes not.
*/
/* [ ... v1(filename) v2(line+flags) ] */
/* When looking for .fileName/.lineNumber, blame compilation
* or C call site unless flagged not to do so.
*/
if (!(flags & DUK_TB_FLAG_NOBLAME_FILELINE)) {
if (output_type == DUK__OUTPUT_TYPE_FILENAME) {
duk_pop(ctx);
return 1;
} else if (output_type == DUK__OUTPUT_TYPE_LINENUMBER) {
duk_push_int(ctx, pc);
return 1;
}
}
duk_push_sprintf(ctx, "at [anon] (%s:%ld) internal",
(const char *) duk_get_string(ctx, -2), (long) pc);
duk_replace(ctx, -3); /* [ ... v1 v2 str ] -> [ ... str v2 ] */
duk_pop(ctx); /* -> [ ... str ] */
} else {
/* unknown, ignore */
duk_pop_2(ctx);
break;
}
}
if (count_func >= DUK_USE_TRACEBACK_DEPTH) {
/* Possibly truncated; there is no explicit truncation
* marker so this is the best we can do.
*/
duk_push_hstring_stridx(ctx, DUK_STRIDX_BRACKETED_ELLIPSIS);
}
}
/* [ ... this tracedata sep this str1 ... strN ] */
if (output_type != DUK__OUTPUT_TYPE_TRACEBACK) {
return 0;
} else {
/* The 'this' after 'sep' will get ToString() coerced by
* duk_join() automatically. We don't want to do that
* coercion when providing .fileName or .lineNumber (GH-254).
*/
duk_join(ctx, duk_get_top(ctx) - (idx_td + 2) /*count, not including sep*/);
return 1;
}
}
int duk_bi_function_constructor(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
int num_args;
int i;
int comp_flags;
duk_hcompiledfunction *func;
duk_hobject *outer_lex_env;
duk_hobject *outer_var_env;
/* normal and constructor calls have identical semantics */
num_args = duk_get_top(ctx);
for (i = 0; i < num_args; i++) {
duk_to_string(ctx, i);
}
if (num_args == 0) {
duk_push_string(ctx, "");
duk_push_string(ctx, "");
} else if (num_args == 1) {
duk_push_string(ctx, "");
} else {
duk_insert(ctx, 0); /* [ arg1 ... argN-1 body] -> [body arg1 ... argN-1] */
duk_push_string(ctx, ",");
duk_insert(ctx, 1);
duk_join(ctx, num_args - 1);
}
/* [ body formals ], formals is comma separated list that needs to be parsed */
DUK_ASSERT_TOP(ctx, 2);
/* FIXME: this placeholder is not always correct, but use for now.
* It will fail in corner cases; see test-dev-func-cons-args.js.
*/
duk_push_string(ctx, "function(");
duk_dup(ctx, 1);
duk_push_string(ctx, "){");
duk_dup(ctx, 0);
duk_push_string(ctx, "}");
duk_concat(ctx, 5);
DUK_ASSERT_TOP(ctx, 3);
/* FIXME: uses internal API */
/* strictness is not inherited, intentional */
comp_flags = DUK_JS_COMPILE_FLAG_FUNCEXPR;
duk_push_hstring_stridx(ctx, DUK_STRIDX_COMPILE); /* XXX: copy from caller? */
duk_js_compile(thr, comp_flags);
func = (duk_hcompiledfunction *) duk_get_hobject(ctx, -1);
DUK_ASSERT(func != NULL);
DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION((duk_hobject *) func));
/* only outer_lex_env matters, as functions always get a new
* variable declaration environment.
*/
outer_lex_env = thr->builtins[DUK_BIDX_GLOBAL_ENV];
outer_var_env = thr->builtins[DUK_BIDX_GLOBAL_ENV];
duk_js_push_closure(thr, func, outer_var_env, outer_lex_env);
return 1;
}
//void duk_join(duk_context *ctx, duk_idx_t count);
void aperl_duk_join(duk_context *ctx, duk_idx_t count) {
duk_join(ctx, count);
}
DUK_INTERNAL duk_ret_t duk_bi_array_prototype_join_shared(duk_context *ctx) {
duk_uint32_t len, count;
duk_uint32_t idx;
duk_small_int_t to_locale_string = duk_get_current_magic(ctx);
duk_idx_t valstack_required;
/* For join(), nargs is 1. For toLocaleString(), nargs is 0 and
* setting the top essentially pushes an undefined to the stack,
* thus defaulting to a comma separator.
*/
duk_set_top(ctx, 1);
if (duk_is_undefined(ctx, 0)) {
duk_pop(ctx);
duk_push_hstring_stridx(ctx, DUK_STRIDX_COMMA);
} else {
duk_to_string(ctx, 0);
}
len = duk__push_this_obj_len_u32(ctx);
/* [ sep ToObject(this) len ] */
DUK_DDD(DUK_DDDPRINT("sep=%!T, this=%!T, len=%lu",
(duk_tval *) duk_get_tval(ctx, 0),
(duk_tval *) duk_get_tval(ctx, 1),
(unsigned long) len));
/* The extra (+4) is tight. */
valstack_required = (len >= DUK__ARRAY_MID_JOIN_LIMIT ?
DUK__ARRAY_MID_JOIN_LIMIT : len) + 4;
duk_require_stack(ctx, valstack_required);
duk_dup(ctx, 0);
/* [ sep ToObject(this) len sep ] */
count = 0;
idx = 0;
for (;;) {
if (count >= DUK__ARRAY_MID_JOIN_LIMIT || /* intermediate join to avoid valstack overflow */
idx >= len) { /* end of loop (careful with len==0) */
/* [ sep ToObject(this) len sep str0 ... str(count-1) ] */
DUK_DDD(DUK_DDDPRINT("mid/final join, count=%ld, idx=%ld, len=%ld",
(long) count, (long) idx, (long) len));
duk_join(ctx, (duk_idx_t) count); /* -> [ sep ToObject(this) len str ] */
duk_dup(ctx, 0); /* -> [ sep ToObject(this) len str sep ] */
duk_insert(ctx, -2); /* -> [ sep ToObject(this) len sep str ] */
count = 1;
}
if (idx >= len) {
/* if true, the stack already contains the final result */
break;
}
duk_get_prop_index(ctx, 1, (duk_uarridx_t) idx);
if (duk_is_null_or_undefined(ctx, -1)) {
duk_pop(ctx);
duk_push_hstring_stridx(ctx, DUK_STRIDX_EMPTY_STRING);
} else {
if (to_locale_string) {
duk_to_object(ctx, -1);
duk_get_prop_stridx(ctx, -1, DUK_STRIDX_TO_LOCALE_STRING);
duk_insert(ctx, -2); /* -> [ ... toLocaleString ToObject(val) ] */
duk_call_method(ctx, 0);
duk_to_string(ctx, -1);
} else {
duk_to_string(ctx, -1);
}
}
count++;
idx++;
}
/* [ sep ToObject(this) len sep result ] */
return 1;
}
static int duk__traceback_getter_helper(duk_context *ctx, int output_type) {
duk_hthread *thr = (duk_hthread *) ctx;
int idx_td;
int i;
const char *str_tailcalled = " tailcalled";
const char *str_strict = " strict";
const char *str_construct = " construct";
const char *str_prevyield = " preventsyield";
const char *str_directeval = " directeval";
const char *str_empty = "";
DUK_ASSERT_TOP(ctx, 0); /* fixed arg count */
duk_push_this(ctx);
duk_get_prop_stridx(ctx, -1, DUK_STRIDX_TRACEDATA);
idx_td = duk_get_top_index(ctx);
duk_push_hstring_stridx(ctx, DUK_STRIDX_NEWLINE_TAB);
duk_push_this(ctx);
duk_to_string(ctx, -1);
/* [ ... this tracedata sep ToString(this) ] */
/* FIXME: skip null filename? */
if (duk_check_type(ctx, idx_td, DUK_TYPE_OBJECT)) {
int t;
/* Current tracedata contains 2 entries per callstack entry. */
for (i = 0; ; i += 2) {
int pc;
int line;
int flags;
double d;
const char *funcname;
duk_hobject *h_func;
duk_hstring *h_name;
duk_hbuffer_fixed *pc2line;
duk_require_stack(ctx, 5);
duk_get_prop_index(ctx, idx_td, i);
duk_get_prop_index(ctx, idx_td, i + 1);
d = duk_to_number(ctx, -1);
pc = (int) fmod(d, DUK_DOUBLE_2TO32);
flags = (int) floor(d / DUK_DOUBLE_2TO32);
t = duk_get_type(ctx, -2);
if (t == DUK_TYPE_OBJECT) {
/*
* Ecmascript/native function call
*/
/* [ ... v1(func) v2(pc+flags) ] */
h_func = duk_get_hobject(ctx, -2);
DUK_ASSERT(h_func != NULL);
duk_get_prop_stridx(ctx, -2, DUK_STRIDX_NAME);
duk_get_prop_stridx(ctx, -3, DUK_STRIDX_FILE_NAME);
duk_get_prop_stridx(ctx, -4, DUK_STRIDX_INT_PC2LINE);
if (duk_is_buffer(ctx, -1)) {
pc2line = (duk_hbuffer_fixed *) duk_get_hbuffer(ctx, -1);
DUK_ASSERT(!DUK_HBUFFER_HAS_DYNAMIC((duk_hbuffer *) pc2line));
line = duk_hobject_pc2line_query(pc2line, (duk_uint_fast32_t) pc);
} else {
line = 0;
}
duk_pop(ctx);
/* [ ... v1 v2 name filename ] */
if (output_type == DUK__OUTPUT_TYPE_FILENAME) {
return 1;
} else if (output_type == DUK__OUTPUT_TYPE_LINENUMBER) {
duk_push_int(ctx, line);
return 1;
}
h_name = duk_get_hstring(ctx, -2); /* may be NULL */
funcname = (h_name == NULL || h_name == DUK_HTHREAD_STRING_EMPTY_STRING(thr)) ?
"anon" : (const char *) DUK_HSTRING_GET_DATA(h_name);
if (DUK_HOBJECT_HAS_NATIVEFUNCTION(h_func)) {
duk_push_sprintf(ctx, "%s %s native%s%s%s%s%s",
funcname,
duk_get_string(ctx, -1),
(flags & DUK_ACT_FLAG_STRICT) ? str_strict : str_empty,
(flags & DUK_ACT_FLAG_TAILCALLED) ? str_tailcalled : str_empty,
(flags & DUK_ACT_FLAG_CONSTRUCT) ? str_construct : str_empty,
(flags & DUK_ACT_FLAG_DIRECT_EVAL) ? str_directeval : str_empty,
(flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty);
} else {
duk_push_sprintf(ctx, "%s %s:%d%s%s%s%s%s",
funcname,
duk_get_string(ctx, -1),
line,
(flags & DUK_ACT_FLAG_STRICT) ? str_strict : str_empty,
(flags & DUK_ACT_FLAG_TAILCALLED) ? str_tailcalled : str_empty,
(flags & DUK_ACT_FLAG_CONSTRUCT) ? str_construct : str_empty,
(flags & DUK_ACT_FLAG_DIRECT_EVAL) ? str_directeval : str_empty,
(flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty);
}
duk_replace(ctx, -5); /* [ ... v1 v2 name filename str ] -> [ ... str v2 name filename ] */
duk_pop_n(ctx, 3); /* -> [ ... str ] */
} else if (t == DUK_TYPE_STRING) {
/*
* __FILE__ / __LINE__ entry, here 'pc' is line number directly.
* Sometimes __FILE__ / __LINE__ is reported as the source for
* the error (fileName, lineNumber), sometimes not.
*/
/* [ ... v1(filename) v2(line+flags) ] */
if (!(flags & DUK_TB_FLAG_NOBLAME_FILELINE)) {
if (output_type == DUK__OUTPUT_TYPE_FILENAME) {
duk_pop(ctx);
return 1;
} else if (output_type == DUK__OUTPUT_TYPE_LINENUMBER) {
duk_push_int(ctx, pc);
return 1;
}
}
duk_push_sprintf(ctx, "%s:%d",
duk_get_string(ctx, -2), pc);
duk_replace(ctx, -3); /* [ ... v1 v2 str ] -> [ ... str v2 ] */
duk_pop(ctx); /* -> [ ... str ] */
} else {
/* unknown, ignore */
duk_pop_2(ctx);
break;
}
}
if (i >= DUK_USE_TRACEBACK_DEPTH * 2) {
/* Possibly truncated; there is no explicit truncation
* marker so this is the best we can do.
*/
duk_push_hstring_stridx(ctx, DUK_STRIDX_BRACKETED_ELLIPSIS);
}
}
/* [ ... this tracedata sep ToString(this) str1 ... strN ] */
if (output_type != DUK__OUTPUT_TYPE_TRACEBACK) {
return 0;
} else {
duk_join(ctx, duk_get_top(ctx) - (idx_td + 2) /*count, not including sep*/);
return 1;
}
}
