/**
* Perform 'eval' with code stored in ecma-string
*
* See also:
* ecma_op_eval_chars_buffer
* ECMA-262 v5, 15.1.2.1 (steps 2 to 8)
*
* @return completion value
*/
ecma_completion_value_t
ecma_op_eval (ecma_string_t *code_p, /**< code string */
bool is_direct, /**< is eval called directly (ECMA-262 v5, 15.1.2.1.1) */
bool is_called_from_strict_mode_code) /**< is eval is called from strict mode code */
{
ecma_completion_value_t ret_value;
lit_utf8_size_t chars_num = ecma_string_get_size (code_p);
if (chars_num == 0)
{
ret_value = ecma_make_normal_completion_value (ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED));
}
else
{
MEM_DEFINE_LOCAL_ARRAY (code_utf8_buffer_p,
chars_num,
lit_utf8_byte_t);
const ssize_t buf_size = (ssize_t) chars_num;
ssize_t buffer_size_req = ecma_string_to_utf8_string (code_p,
code_utf8_buffer_p,
buf_size);
JERRY_ASSERT (buffer_size_req == buf_size);
ret_value = ecma_op_eval_chars_buffer ((jerry_api_char_t *) code_utf8_buffer_p,
(size_t) buf_size,
is_direct,
is_called_from_strict_mode_code);
MEM_FINALIZE_LOCAL_ARRAY (code_utf8_buffer_p);
}
return ret_value;
} /* ecma_op_eval */
/**
* Parse RegExp flags (global, ignoreCase, multiline)
*
* See also: ECMA-262 v5, 15.10.4.1
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value
*/
ecma_completion_value_t
re_parse_regexp_flags (ecma_string_t *flags_str_p, /**< Input string with flags */
uint8_t *flags_p) /**< Output: parsed flag bits */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
lit_utf8_size_t flags_str_size = ecma_string_get_size (flags_str_p);
MEM_DEFINE_LOCAL_ARRAY (flags_start_p, flags_str_size, lit_utf8_byte_t);
ecma_string_to_utf8_string (flags_str_p, flags_start_p, (ssize_t) flags_str_size);
lit_utf8_iterator_t iter = lit_utf8_iterator_create (flags_start_p, flags_str_size);
while (!lit_utf8_iterator_is_eos (&iter)
&& ecma_is_completion_value_empty (ret_value))
{
switch (lit_utf8_iterator_read_next (&iter))
{
case 'g':
{
if (*flags_p & RE_FLAG_GLOBAL)
{
ret_value = ecma_raise_syntax_error ("Invalid RegExp flags.");
}
*flags_p |= RE_FLAG_GLOBAL;
break;
}
case 'i':
{
if (*flags_p & RE_FLAG_IGNORE_CASE)
{
ret_value = ecma_raise_syntax_error ("Invalid RegExp flags.");
}
*flags_p |= RE_FLAG_IGNORE_CASE;
break;
}
case 'm':
{
if (*flags_p & RE_FLAG_MULTILINE)
{
ret_value = ecma_raise_syntax_error ("Invalid RegExp flags.");
}
*flags_p |= RE_FLAG_MULTILINE;
break;
}
default:
{
ret_value = ecma_raise_syntax_error ("Invalid RegExp flags.");
break;
}
}
}
MEM_FINALIZE_LOCAL_ARRAY (flags_start_p);
return ret_value;
} /* re_parse_regexp_flags */
/**
* The String.prototype object's 'trim' routine
*
* See also:
* ECMA-262 v5, 15.5.4.20
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_string_prototype_object_trim (ecma_value_t this_arg) /**< this argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
/* 1 */
ECMA_TRY_CATCH (check_coercible_val,
ecma_op_check_object_coercible (this_arg),
ret_value);
/* 2 */
ECMA_TRY_CATCH (to_string_val,
ecma_op_to_string (this_arg),
ret_value);
ecma_string_t *original_string_p = ecma_get_string_from_value (to_string_val);
/* 3 */
const lit_utf8_size_t size = ecma_string_get_size (original_string_p);
const ecma_length_t length = ecma_string_get_size (original_string_p);
/* Workaround: avoid repeated call of ecma_string_get_char_at_pos() because its overhead */
lit_utf8_byte_t *original_utf8_str_p = (lit_utf8_byte_t *) mem_heap_alloc_block (size + 1,
MEM_HEAP_ALLOC_SHORT_TERM);
ecma_string_to_utf8_string (original_string_p, original_utf8_str_p, (ssize_t) size);
uint32_t prefix = 0, postfix = 0;
uint32_t new_len = 0;
while (prefix < length && isspace (lit_utf8_string_code_unit_at (original_utf8_str_p, size, prefix)))
{
prefix++;
}
while (postfix < length - prefix && isspace (lit_utf8_string_code_unit_at (original_utf8_str_p,
size,
length - postfix - 1)))
{
postfix++;
}
new_len = prefix < size ? size - prefix - postfix : 0;
ecma_string_t *new_str_p = ecma_string_substr (original_string_p, prefix, prefix + new_len);
/* 4 */
ret_value = ecma_make_normal_completion_value (ecma_make_string_value (new_str_p));
mem_heap_free_block (original_utf8_str_p);
ECMA_FINALIZE (to_string_val);
ECMA_FINALIZE (check_coercible_val);
return ret_value;
} /* ecma_builtin_string_prototype_object_trim */
/*
* Helper function for string indexOf and lastIndexOf functions
*
* This function implements string indexOf and lastIndexOf with required checks and conversions.
*
* See also:
* ECMA-262 v5, 15.5.4.7
* ECMA-262 v5, 15.5.4.8
*
* Used by:
* - The String.prototype.indexOf routine.
* - The String.prototype.lastIndexOf routine.
*
* @return uint32_t - (last)index of search string
*/
ecma_completion_value_t
ecma_builtin_helper_string_prototype_object_index_of (ecma_value_t this_arg, /**< this argument */
ecma_value_t arg1, /**< routine's first argument */
ecma_value_t arg2, /**< routine's second argument */
bool firstIndex) /**< routine's third argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
/* 1 */
ECMA_TRY_CATCH (check_coercible_val,
ecma_op_check_object_coercible (this_arg),
ret_value);
/* 2 */
ECMA_TRY_CATCH (to_str_val,
ecma_op_to_string (this_arg),
ret_value);
/* 3 */
ECMA_TRY_CATCH (search_str_val,
ecma_op_to_string (arg1),
ret_value);
/* 4 */
ECMA_OP_TO_NUMBER_TRY_CATCH (pos_num,
arg2,
ret_value);
/* 6 */
ecma_string_t *original_str_p = ecma_get_string_from_value (to_str_val);
const ecma_length_t original_len = ecma_string_get_length (original_str_p);
const lit_utf8_size_t original_size = ecma_string_get_size (original_str_p);
/* 4b, 5, 7 */
ecma_length_t start = ecma_builtin_helper_string_index_normalize (pos_num, original_len, firstIndex);
/* 8 */
ecma_string_t *search_str_p = ecma_get_string_from_value (search_str_val);
const ecma_length_t search_len = ecma_string_get_length (search_str_p);
const lit_utf8_size_t search_size = ecma_string_get_size (search_str_p);
ecma_number_t *ret_num_p = ecma_alloc_number ();
*ret_num_p = ecma_int32_to_number (-1);
/* 9 */
if (search_len <= original_len)
{
if (!search_len)
{
*ret_num_p = ecma_uint32_to_number (firstIndex ? 0 : original_len);
}
else
{
/* create utf8 string from original string and advance to position */
MEM_DEFINE_LOCAL_ARRAY (original_str_utf8_p,
original_size,
lit_utf8_byte_t);
ecma_string_to_utf8_string (original_str_p,
original_str_utf8_p,
(ssize_t) (original_size));
lit_utf8_iterator_t original_it = lit_utf8_iterator_create (original_str_utf8_p, original_size);
ecma_length_t index = start;
lit_utf8_iterator_advance (&original_it, index);
/* create utf8 string from search string */
MEM_DEFINE_LOCAL_ARRAY (search_str_utf8_p,
search_size,
lit_utf8_byte_t);
ecma_string_to_utf8_string (search_str_p,
search_str_utf8_p,
(ssize_t) (search_size));
lit_utf8_iterator_t search_it = lit_utf8_iterator_create (search_str_utf8_p, search_size);
/* iterate original string and try to match at each position */
bool searching = true;
while (searching)
{
/* match as long as possible */
ecma_length_t match_len = 0;
lit_utf8_iterator_t stored_original_it = original_it;
while (match_len < search_len &&
index + match_len < original_len &&
lit_utf8_iterator_read_next (&original_it) == lit_utf8_iterator_read_next (&search_it))
{
match_len++;
}
/* check for match */
if (match_len == search_len)
{
*ret_num_p = ecma_uint32_to_number (index);
break;
}
else
{
/* inc/dec index and update iterators and search condition */
lit_utf8_iterator_seek_bos (&search_it);
original_it = stored_original_it;
if (firstIndex)
{
if ((searching = (index <= original_len - search_len)))
{
lit_utf8_iterator_incr (&original_it);
index++;
}
}
else
{
if ((searching = (index > 0)))
{
lit_utf8_iterator_decr (&original_it);
index--;
}
}
}
}
MEM_FINALIZE_LOCAL_ARRAY (search_str_utf8_p);
MEM_FINALIZE_LOCAL_ARRAY (original_str_utf8_p);
}
}
ecma_value_t new_value = ecma_make_number_value (ret_num_p);
ret_value = ecma_make_normal_completion_value (new_value);
ECMA_OP_TO_NUMBER_FINALIZE (pos_num);
ECMA_FINALIZE (search_str_val);
ECMA_FINALIZE (to_str_val);
ECMA_FINALIZE (check_coercible_val);
return ret_value;
} /* ecma_builtin_helper_string_index_normalize */
/**
* RegExp helper function to start the recursive matching algorithm
* and create the result Array object
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value
*/
ecma_completion_value_t
ecma_regexp_exec_helper (ecma_value_t regexp_value, /**< RegExp object */
ecma_value_t input_string, /**< input string */
bool ignore_global) /**< ignore global flag */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
JERRY_ASSERT (ecma_is_value_object (regexp_value));
JERRY_ASSERT (ecma_is_value_string (input_string));
ecma_object_t *regexp_object_p = ecma_get_object_from_value (regexp_value);
JERRY_ASSERT (ecma_object_get_class_name (regexp_object_p) == LIT_MAGIC_STRING_REGEXP_UL);
ecma_property_t *bytecode_prop_p = ecma_get_internal_property (regexp_object_p,
ECMA_INTERNAL_PROPERTY_REGEXP_BYTECODE);
re_bytecode_t *bc_p = ECMA_GET_POINTER (re_bytecode_t, bytecode_prop_p->u.internal_property.value);
ecma_string_t *input_string_p = ecma_get_string_from_value (input_string);
lit_utf8_size_t input_string_size = ecma_string_get_size (input_string_p);
MEM_DEFINE_LOCAL_ARRAY (input_utf8_buffer_p, input_string_size, lit_utf8_byte_t);
ecma_string_to_utf8_string (input_string_p, input_utf8_buffer_p, (ssize_t) input_string_size);
lit_utf8_iterator_t iterator = lit_utf8_iterator_create (input_utf8_buffer_p, input_string_size);
re_matcher_ctx_t re_ctx;
re_ctx.input_start_p = iterator.buf_p;
re_ctx.input_end_p = iterator.buf_p + iterator.buf_size;
/* 1. Read bytecode header and init regexp matcher context. */
re_ctx.flags = (uint8_t) re_get_value (&bc_p);
if (ignore_global)
{
re_ctx.flags &= (uint8_t) ~RE_FLAG_GLOBAL;
}
JERRY_DDLOG ("Exec with flags [global: %d, ignoreCase: %d, multiline: %d]\n",
re_ctx.flags & RE_FLAG_GLOBAL,
re_ctx.flags & RE_FLAG_IGNORE_CASE,
re_ctx.flags & RE_FLAG_MULTILINE);
re_ctx.num_of_captures = re_get_value (&bc_p);
JERRY_ASSERT (re_ctx.num_of_captures % 2 == 0);
re_ctx.num_of_non_captures = re_get_value (&bc_p);
/* We create an invalid iterator, that will be used to identify unused result values. */
lit_utf8_iterator_t unused_iter = lit_utf8_iterator_create (NULL, 0);
unused_iter.buf_p = (lit_utf8_byte_t *) 1;
MEM_DEFINE_LOCAL_ARRAY (saved_p, re_ctx.num_of_captures + re_ctx.num_of_non_captures, lit_utf8_iterator_t);
for (uint32_t i = 0; i < re_ctx.num_of_captures + re_ctx.num_of_non_captures; i++)
{
saved_p[i] = unused_iter;
}
re_ctx.saved_p = saved_p;
uint32_t num_of_iter_length = (re_ctx.num_of_captures / 2) + (re_ctx.num_of_non_captures - 1);
MEM_DEFINE_LOCAL_ARRAY (num_of_iter_p, num_of_iter_length, uint32_t);
for (uint32_t i = 0; i < num_of_iter_length; i++)
{
num_of_iter_p[i] = 0u;
}
bool is_match = false;
re_ctx.num_of_iterations_p = num_of_iter_p;
int32_t index = 0;
ecma_length_t input_str_len = lit_utf8_string_length (iterator.buf_p, iterator.buf_size);
if (iterator.buf_p && (re_ctx.flags & RE_FLAG_GLOBAL))
{
ecma_string_t *magic_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_LASTINDEX_UL);
ecma_property_t *lastindex_prop_p = ecma_op_object_get_property (regexp_object_p, magic_str_p);
ECMA_OP_TO_NUMBER_TRY_CATCH (lastindex_num, lastindex_prop_p->u.named_data_property.value, ret_value)
index = ecma_number_to_int32 (lastindex_num);
JERRY_ASSERT (iterator.buf_pos.offset == 0 && !iterator.buf_pos.is_non_bmp_middle);
if (!lit_utf8_iterator_is_eos (&iterator)
&& index <= (int32_t) input_str_len
&& index > 0)
{
lit_utf8_iterator_advance (&iterator, (ecma_length_t) index);
}
ECMA_OP_TO_NUMBER_FINALIZE (lastindex_num);
ecma_deref_ecma_string (magic_str_p);
}
/* 2. Try to match */
lit_utf8_iterator_t sub_iter = lit_utf8_iterator_create (NULL, 0);
while (ecma_is_completion_value_empty (ret_value))
{
if (index < 0 || index > (int32_t) input_str_len)
{
if (re_ctx.flags & RE_FLAG_GLOBAL)
{
ecma_string_t *magic_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_LASTINDEX_UL);
ecma_number_t *lastindex_num_p = ecma_alloc_number ();
*lastindex_num_p = ECMA_NUMBER_ZERO;
ecma_op_object_put (regexp_object_p, magic_str_p, ecma_make_number_value (lastindex_num_p), true);
ecma_dealloc_number (lastindex_num_p);
ecma_deref_ecma_string (magic_str_p);
}
is_match = false;
break;
}
else
{
ECMA_TRY_CATCH (match_value, re_match_regexp (&re_ctx, bc_p, iterator, &sub_iter), ret_value);
if (ecma_is_value_true (match_value))
{
is_match = true;
break;
}
if (!lit_utf8_iterator_is_eos (&iterator))
{
lit_utf8_iterator_advance (&iterator, 1);
}
index++;
ECMA_FINALIZE (match_value);
}
}
if (iterator.buf_p && (re_ctx.flags & RE_FLAG_GLOBAL))
{
ecma_string_t *magic_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_LASTINDEX_UL);
ecma_number_t *lastindex_num_p = ecma_alloc_number ();
*lastindex_num_p = sub_iter.buf_pos.offset;
ecma_op_object_put (regexp_object_p, magic_str_p, ecma_make_number_value (lastindex_num_p), true);
ecma_dealloc_number (lastindex_num_p);
ecma_deref_ecma_string (magic_str_p);
}
/* 3. Fill the result array or return with 'undefiend' */
if (ecma_is_completion_value_empty (ret_value))
{
if (is_match)
{
ecma_completion_value_t result_array = ecma_op_create_array_object (0, 0, false);
ecma_object_t *result_array_obj_p = ecma_get_object_from_completion_value (result_array);
ecma_string_t *input_str_p = ecma_new_ecma_string_from_utf8 (iterator.buf_p, iterator.buf_size);
re_set_result_array_properties (result_array_obj_p, input_str_p, re_ctx.num_of_captures / 2, index);
ecma_deref_ecma_string (input_str_p);
for (uint32_t i = 0; i < re_ctx.num_of_captures; i += 2)
{
ecma_string_t *index_str_p = ecma_new_ecma_string_from_uint32 (i / 2);
/* Note: 'iter_p->buf_p == NULL' means the input is empty string */
if ((re_ctx.saved_p[i].buf_p != unused_iter.buf_p && re_ctx.saved_p[i + 1].buf_p != unused_iter.buf_p)
&& re_ctx.saved_p[i + 1].buf_pos.offset >= re_ctx.saved_p[i].buf_pos.offset)
{
ecma_length_t capture_str_len;
capture_str_len = (ecma_length_t) re_ctx.saved_p[i + 1].buf_pos.offset - re_ctx.saved_p[i].buf_pos.offset;
ecma_string_t *capture_str_p;
if (capture_str_len > 0)
{
const lit_utf8_byte_t *utf8_str_p = re_ctx.saved_p[i].buf_p + re_ctx.saved_p[i].buf_pos.offset;
capture_str_p = ecma_new_ecma_string_from_utf8 (utf8_str_p, capture_str_len);
}
else
{
capture_str_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY);
}
ecma_op_object_put (result_array_obj_p, index_str_p, ecma_make_string_value (capture_str_p), true);
ecma_deref_ecma_string (capture_str_p);
}
else
{
ecma_op_object_put (result_array_obj_p,
index_str_p,
ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED),
true);
}
ecma_deref_ecma_string (index_str_p);
}
ret_value = result_array;
}
else
{
ret_value = ecma_make_normal_completion_value (ecma_make_simple_value (ECMA_SIMPLE_VALUE_NULL));
}
}
MEM_FINALIZE_LOCAL_ARRAY (num_of_iter_p);
MEM_FINALIZE_LOCAL_ARRAY (saved_p);
MEM_FINALIZE_LOCAL_ARRAY (input_utf8_buffer_p);
return ret_value;
} /* ecma_regexp_exec_helper */
/**
* 'Native call' opcode handler.
*/
ecma_completion_value_t
opfunc_native_call (opcode_t opdata, /**< operation data */
int_data_t *int_data) /**< interpreter context */
{
const idx_t dst_var_idx = opdata.data.native_call.lhs;
const idx_t native_call_id_idx = opdata.data.native_call.name;
const idx_t args_number = opdata.data.native_call.arg_list;
const opcode_counter_t lit_oc = int_data->pos;
JERRY_ASSERT (native_call_id_idx < OPCODE_NATIVE_CALL__COUNT);
int_data->pos++;
JERRY_STATIC_ASSERT (OPCODE_NATIVE_CALL__COUNT < (1u << (sizeof (native_call_id_idx) * JERRY_BITSINBYTE)));
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
MEM_DEFINE_LOCAL_ARRAY (arg_values, args_number, ecma_value_t);
ecma_length_t args_read;
ecma_completion_value_t get_arg_completion = fill_varg_list (int_data,
args_number,
arg_values,
&args_read);
if (ecma_is_completion_value_empty (get_arg_completion))
{
JERRY_ASSERT (args_read == args_number);
switch ((opcode_native_call_t)native_call_id_idx)
{
case OPCODE_NATIVE_CALL_LED_TOGGLE:
case OPCODE_NATIVE_CALL_LED_ON:
case OPCODE_NATIVE_CALL_LED_OFF:
case OPCODE_NATIVE_CALL_LED_ONCE:
case OPCODE_NATIVE_CALL_WAIT:
{
JERRY_UNIMPLEMENTED ("Device operations are not implemented.");
}
case OPCODE_NATIVE_CALL_PRINT:
{
for (ecma_length_t arg_index = 0;
ecma_is_completion_value_empty (ret_value) && arg_index < args_read;
arg_index++)
{
ECMA_TRY_CATCH (str_value,
ecma_op_to_string (arg_values[arg_index]),
ret_value);
ecma_string_t *str_p = ecma_get_string_from_value (str_value);
lit_utf8_size_t bytes = ecma_string_get_size (str_p);
ssize_t utf8_str_size = (ssize_t) (bytes + 1);
lit_utf8_byte_t *utf8_str_p = (lit_utf8_byte_t*) mem_heap_alloc_block ((size_t) utf8_str_size,
MEM_HEAP_ALLOC_SHORT_TERM);
if (utf8_str_p == NULL)
{
jerry_fatal (ERR_OUT_OF_MEMORY);
}
ecma_string_to_utf8_string (str_p, utf8_str_p, utf8_str_size);
utf8_str_p[utf8_str_size - 1] = 0;
FIXME ("Support unicode in printf.");
if (arg_index < args_read - 1)
{
printf ("%s ", (char*) utf8_str_p);
}
else
{
printf ("%s", (char*) utf8_str_p);
}
mem_heap_free_block (utf8_str_p);
ret_value = set_variable_value (int_data, lit_oc, dst_var_idx,
ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED));
ECMA_FINALIZE (str_value);
}
printf ("\n");
break;
}
case OPCODE_NATIVE_CALL__COUNT:
{
JERRY_UNREACHABLE ();
}
}
}
else
{
JERRY_ASSERT (!ecma_is_completion_value_normal (get_arg_completion));
ret_value = get_arg_completion;
}
for (ecma_length_t arg_index = 0;
arg_index < args_read;
arg_index++)
{
ecma_free_value (arg_values[arg_index], true);
}
MEM_FINALIZE_LOCAL_ARRAY (arg_values);
return ret_value;
} /* opfunc_native_call */
/**
* The Date object's 'parse' routine
*
* See also:
* ECMA-262 v5, 15.9.4.2
* ECMA-262 v5, 15.9.1.15
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_date_parse (ecma_value_t this_arg __attr_unused___, /**< this argument */
ecma_value_t arg) /**< string */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
ecma_number_t *date_num_p = ecma_alloc_number ();
*date_num_p = ecma_number_make_nan ();
/* Date Time String fromat (ECMA-262 v5, 15.9.1.15) */
ECMA_TRY_CATCH (date_str_value,
ecma_op_to_string (arg),
ret_value);
ecma_string_t *date_str_p = ecma_get_string_from_value (date_str_value);
lit_utf8_size_t date_str_size = ecma_string_get_size (date_str_p);
MEM_DEFINE_LOCAL_ARRAY (date_start_p, date_str_size, lit_utf8_byte_t);
ssize_t sz = ecma_string_to_utf8_string (date_str_p, date_start_p, (ssize_t) date_str_size);
JERRY_ASSERT (sz >= 0);
lit_utf8_byte_t *date_str_curr_p = date_start_p;
const lit_utf8_byte_t *date_str_end_p = date_start_p + date_str_size;
/* 1. read year */
ecma_number_t year = ecma_date_parse_date_chars (&date_str_curr_p, date_str_end_p, 4);
if (!ecma_number_is_nan (year)
&& year >= 0)
{
ecma_number_t month = ECMA_NUMBER_ONE;
ecma_number_t day = ECMA_NUMBER_ONE;
ecma_number_t time = ECMA_NUMBER_ZERO;
/* 2. read month if any */
if (date_str_curr_p < date_str_end_p
&& *date_str_curr_p == '-')
{
/* eat up '-' */
date_str_curr_p++;
month = ecma_date_parse_date_chars (&date_str_curr_p, date_str_end_p, 2);
if (month > 12 || month < 1)
{
month = ecma_number_make_nan ();
}
}
/* 3. read day if any */
if (date_str_curr_p < date_str_end_p
&& *date_str_curr_p == '-')
{
/* eat up '-' */
date_str_curr_p++;
day = ecma_date_parse_date_chars (&date_str_curr_p, date_str_end_p, 2);
if (day < 1 || day > 31)
{
day = ecma_number_make_nan ();
}
}
/* 4. read time if any */
if (date_str_curr_p < date_str_end_p
&& *date_str_curr_p == 'T')
{
/* eat up 'T' */
date_str_curr_p++;
ecma_number_t hours = ECMA_NUMBER_ZERO;
ecma_number_t minutes = ECMA_NUMBER_ZERO;
ecma_number_t seconds = ECMA_NUMBER_ZERO;
ecma_number_t milliseconds = ECMA_NUMBER_ZERO;
ecma_length_t remaining_length = lit_utf8_string_length (date_str_curr_p,
(lit_utf8_size_t) (date_str_end_p - date_str_curr_p));
if (remaining_length >= 5)
{
/* 4.1 read hours and minutes */
hours = ecma_date_parse_date_chars (&date_str_curr_p, date_str_end_p, 2);
if (hours < 0 || hours > 24)
{
hours = ecma_number_make_nan ();
}
else if (hours == 24)
{
hours = ECMA_NUMBER_ZERO;
}
/* eat up ':' */
date_str_curr_p++;
minutes = ecma_date_parse_date_chars (&date_str_curr_p, date_str_end_p, 2);
if (minutes < 0 || minutes > 59)
{
minutes = ecma_number_make_nan ();
}
/* 4.2 read seconds if any */
if (date_str_curr_p < date_str_end_p
&& *date_str_curr_p == ':')
{
/* eat up ':' */
date_str_curr_p++;
seconds = ecma_date_parse_date_chars (&date_str_curr_p, date_str_end_p, 2);
if (seconds < 0 || seconds > 59)
{
seconds = ecma_number_make_nan ();
}
/* 4.3 read milliseconds if any */
if (date_str_curr_p < date_str_end_p
&& *date_str_curr_p == '.')
{
/* eat up '.' */
date_str_curr_p++;
milliseconds = ecma_date_parse_date_chars (&date_str_curr_p, date_str_end_p, 3);
if (milliseconds < 0)
{
milliseconds = ecma_number_make_nan ();
}
}
}
time = ecma_date_make_time (hours, minutes, seconds, milliseconds);
}
else
{
time = ecma_number_make_nan ();
}
/* 4.4 read timezone if any */
if (date_str_curr_p < date_str_end_p
&& *date_str_curr_p == 'Z'
&& !ecma_number_is_nan (time))
{
date_str_curr_p++;
time = ecma_date_make_time (hours, minutes, seconds, milliseconds);
}
else if (date_str_curr_p < date_str_end_p
&& (*date_str_curr_p == '+' || *date_str_curr_p == '-'))
{
ecma_length_t remaining_length;
remaining_length = lit_utf8_string_length (date_str_curr_p,
(lit_utf8_size_t) (date_str_end_p - date_str_curr_p)) - 1;
if (remaining_length == 5)
{
bool is_negative = false;
if (*date_str_curr_p == '-')
{
is_negative = true;
}
/* eat up '+/-' */
date_str_curr_p++;
/* read hours and minutes */
hours = ecma_date_parse_date_chars (&date_str_curr_p, date_str_end_p, 2);
if (hours < 0 || hours > 24)
{
hours = ecma_number_make_nan ();
}
else if (hours == 24)
{
hours = ECMA_NUMBER_ZERO;
}
/* eat up ':' */
date_str_curr_p++;
minutes = ecma_date_parse_date_chars (&date_str_curr_p, date_str_end_p, 2);
if (minutes < 0 || minutes > 59)
{
minutes = ecma_number_make_nan ();
}
if (is_negative)
{
time += ecma_date_make_time (hours, minutes, ECMA_NUMBER_ZERO, ECMA_NUMBER_ZERO);
}
else
{
time -= ecma_date_make_time (hours, minutes, ECMA_NUMBER_ZERO, ECMA_NUMBER_ZERO);
}
}
}
}
if (date_str_curr_p >= date_str_end_p)
{
ecma_number_t date = ecma_date_make_day (year, month - 1, day);
*date_num_p = ecma_date_make_date (date, time);
}
}
ret_value = ecma_make_normal_completion_value (ecma_make_number_value (date_num_p));
MEM_FINALIZE_LOCAL_ARRAY (date_start_p);
ECMA_FINALIZE (date_str_value);
return ret_value;
} /* ecma_builtin_date_parse */
/**
* The Error.prototype object's 'toString' routine
*
* See also:
* ECMA-262 v5, 15.11.4.4
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_error_prototype_object_to_string (ecma_value_t this_arg) /**< this argument */
{
ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
// 2.
if (!ecma_is_value_object (this_arg))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG (""));
}
else
{
ecma_object_t *obj_p = ecma_get_object_from_value (this_arg);
ecma_string_t *name_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_NAME);
ECMA_TRY_CATCH (name_get_ret_value,
ecma_op_object_get (obj_p, name_magic_string_p),
ret_value);
ecma_value_t name_to_str_completion;
if (ecma_is_value_undefined (name_get_ret_value))
{
ecma_string_t *error_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_ERROR_UL);
name_to_str_completion = ecma_make_string_value (error_magic_string_p);
}
else
{
name_to_str_completion = ecma_op_to_string (name_get_ret_value);
}
if (unlikely (ecma_is_value_error (name_to_str_completion)))
{
ret_value = ecma_copy_value (name_to_str_completion);
}
else
{
ecma_string_t *message_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_MESSAGE);
ECMA_TRY_CATCH (msg_get_ret_value,
ecma_op_object_get (obj_p, message_magic_string_p),
ret_value);
ecma_value_t msg_to_str_completion;
if (ecma_is_value_undefined (msg_get_ret_value))
{
ecma_string_t *empty_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY);
msg_to_str_completion = ecma_make_string_value (empty_magic_string_p);
}
else
{
msg_to_str_completion = ecma_op_to_string (msg_get_ret_value);
}
if (unlikely (ecma_is_value_error (msg_to_str_completion)))
{
ret_value = ecma_copy_value (msg_to_str_completion);
}
else
{
ecma_string_t *name_string_p = ecma_get_string_from_value (name_to_str_completion);
ecma_string_t *msg_string_p = ecma_get_string_from_value (msg_to_str_completion);
ecma_string_t *ret_str_p;
if (ecma_string_get_length (name_string_p) == 0)
{
ret_str_p = ecma_copy_or_ref_ecma_string (msg_string_p);
}
else if (ecma_string_get_length (msg_string_p) == 0)
{
ret_str_p = ecma_copy_or_ref_ecma_string (name_string_p);
}
else
{
const lit_utf8_size_t name_size = ecma_string_get_size (name_string_p);
const lit_utf8_size_t msg_size = ecma_string_get_size (msg_string_p);
const lit_utf8_size_t colon_size = lit_get_magic_string_size (LIT_MAGIC_STRING_COLON_CHAR);
const lit_utf8_size_t space_size = lit_get_magic_string_size (LIT_MAGIC_STRING_SPACE_CHAR);
const lit_utf8_size_t size = name_size + msg_size + colon_size + space_size;
JMEM_DEFINE_LOCAL_ARRAY (ret_str_buffer, size, lit_utf8_byte_t);
lit_utf8_byte_t *ret_str_buffer_p = ret_str_buffer;
lit_utf8_size_t bytes = ecma_string_to_utf8_string (name_string_p, ret_str_buffer_p, name_size);
JERRY_ASSERT (bytes == name_size);
ret_str_buffer_p = ret_str_buffer_p + bytes;
JERRY_ASSERT (ret_str_buffer_p <= ret_str_buffer + size);
ret_str_buffer_p = lit_copy_magic_string_to_buffer (LIT_MAGIC_STRING_COLON_CHAR,
ret_str_buffer_p,
colon_size);
JERRY_ASSERT (ret_str_buffer_p <= ret_str_buffer + size);
ret_str_buffer_p = lit_copy_magic_string_to_buffer (LIT_MAGIC_STRING_SPACE_CHAR,
ret_str_buffer_p,
space_size);
JERRY_ASSERT (ret_str_buffer_p <= ret_str_buffer + size);
bytes = ecma_string_to_utf8_string (msg_string_p, ret_str_buffer_p, msg_size);
JERRY_ASSERT (bytes == msg_size);
ret_str_buffer_p = ret_str_buffer_p + bytes;
JERRY_ASSERT (ret_str_buffer_p == ret_str_buffer + size);
ret_str_p = ecma_new_ecma_string_from_utf8 (ret_str_buffer,
size);
JMEM_FINALIZE_LOCAL_ARRAY (ret_str_buffer);
}
ret_value = ecma_make_string_value (ret_str_p);
}
ecma_free_value (msg_to_str_completion);
ECMA_FINALIZE (msg_get_ret_value);
ecma_deref_ecma_string (message_magic_string_p);
}
ecma_free_value (name_to_str_completion);
ECMA_FINALIZE (name_get_ret_value);
ecma_deref_ecma_string (name_magic_string_p);
}
return ret_value;
} /* ecma_builtin_error_prototype_object_to_string */
/**
* The Date object's 'parse' routine
*
* See also:
* ECMA-262 v5, 15.9.4.2
* ECMA-262 v5, 15.9.1.15
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_date_parse (ecma_value_t this_arg __attr_unused___, /**< this argument */
ecma_value_t arg) /**< string */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
ecma_number_t *date_num_p = ecma_alloc_number ();
*date_num_p = ecma_number_make_nan ();
/* Date Time String fromat (ECMA-262 v5, 15.9.1.15) */
ECMA_TRY_CATCH (date_str_value,
ecma_op_to_string (arg),
ret_value);
ecma_string_t *date_str_p = ecma_get_string_from_value (date_str_value);
lit_utf8_size_t date_str_size = ecma_string_get_size (date_str_p);
MEM_DEFINE_LOCAL_ARRAY (date_start_p, date_str_size, lit_utf8_byte_t);
ecma_string_to_utf8_string (date_str_p, date_start_p, (ssize_t) date_str_size);
lit_utf8_iterator_t iter = lit_utf8_iterator_create (date_start_p, date_str_size);
/* 1. read year */
ecma_number_t year = ecma_date_parse_date_chars (&iter, 4);
if (!ecma_number_is_nan (year)
&& year >= 0)
{
ecma_number_t month = ECMA_NUMBER_ONE;
ecma_number_t day = ECMA_NUMBER_ONE;
ecma_number_t time = ECMA_NUMBER_ZERO;
/* 2. read month if any */
if (!lit_utf8_iterator_is_eos (&iter)
&& lit_utf8_iterator_peek_next (&iter) == '-')
{
/* eat up '-' */
lit_utf8_iterator_incr (&iter);
month = ecma_date_parse_date_chars (&iter, 2);
if (month > 12 || month < 1)
{
month = ecma_number_make_nan ();
}
}
/* 3. read day if any */
if (!lit_utf8_iterator_is_eos (&iter)
&& lit_utf8_iterator_peek_next (&iter) == '-')
{
/* eat up '-' */
lit_utf8_iterator_incr (&iter);
day = ecma_date_parse_date_chars (&iter, 2);
if (day < 1 || day > 31)
{
day = ecma_number_make_nan ();
}
}
/* 4. read time if any */
if (!lit_utf8_iterator_is_eos (&iter)
&& lit_utf8_iterator_peek_next (&iter) == 'T')
{
ecma_number_t hours = ECMA_NUMBER_ZERO;
ecma_number_t minutes = ECMA_NUMBER_ZERO;
ecma_number_t seconds = ECMA_NUMBER_ZERO;
ecma_number_t milliseconds = ECMA_NUMBER_ZERO;
ecma_length_t num_of_visited_chars = lit_utf8_iterator_get_index (&iter);
ecma_length_t date_str_len = lit_utf8_string_length (iter.buf_p, iter.buf_size) - 1;
if ((date_str_len - num_of_visited_chars) >= 5)
{
/* eat up 'T' */
lit_utf8_iterator_incr (&iter);
/* 4.1 read hours and minutes */
hours = ecma_date_parse_date_chars (&iter, 2);
if (hours < 0 || hours > 24)
{
hours = ecma_number_make_nan ();
}
else if (hours == 24)
{
hours = ECMA_NUMBER_ZERO;
}
/* eat up ':' */
lit_utf8_iterator_incr (&iter);
minutes = ecma_date_parse_date_chars (&iter, 2);
if (minutes < 0 || minutes > 59)
{
minutes = ecma_number_make_nan ();
}
/* 4.2 read seconds if any */
if (!lit_utf8_iterator_is_eos (&iter) && lit_utf8_iterator_peek_next (&iter) == ':')
{
/* eat up ':' */
lit_utf8_iterator_incr (&iter);
seconds = ecma_date_parse_date_chars (&iter, 2);
if (seconds < 0 || seconds > 59)
{
seconds = ecma_number_make_nan ();
}
/* 4.3 read milliseconds if any */
if (!lit_utf8_iterator_is_eos (&iter) && lit_utf8_iterator_peek_next (&iter) == '.')
{
/* eat up '.' */
lit_utf8_iterator_incr (&iter);
milliseconds = ecma_date_parse_date_chars (&iter, 3);
if (milliseconds < 0)
{
milliseconds = ecma_number_make_nan ();
}
}
}
time = ecma_date_make_time (hours, minutes, seconds, milliseconds);
}
else
{
time = ecma_number_make_nan ();
}
/* 4.4 read timezone if any */
if (!lit_utf8_iterator_is_eos (&iter)
&& lit_utf8_iterator_peek_next (&iter) == 'Z'
&& !ecma_number_is_nan (time))
{
lit_utf8_iterator_incr (&iter);
time = ecma_date_utc (ecma_date_make_time (hours,
minutes,
seconds,
milliseconds));
}
else if (!lit_utf8_iterator_is_eos (&iter)
&& (lit_utf8_iterator_peek_next (&iter) == '+'
|| lit_utf8_iterator_peek_next (&iter) == '-'))
{
ecma_length_t num_of_visited_chars = lit_utf8_iterator_get_index (&iter);
ecma_length_t date_str_len = lit_utf8_string_length (iter.buf_p, iter.buf_size) - 1;
if ((date_str_len - num_of_visited_chars) == 5)
{
bool is_negative = false;
if (lit_utf8_iterator_peek_next (&iter) == '-')
{
is_negative = true;
}
/* eat up '+/-' */
lit_utf8_iterator_incr (&iter);
/* read hours and minutes */
hours = ecma_date_parse_date_chars (&iter, 2);
if (hours < 0 || hours > 24)
{
hours = ecma_number_make_nan ();
}
else if (hours == 24)
{
hours = ECMA_NUMBER_ZERO;
}
/* eat up ':' */
lit_utf8_iterator_incr (&iter);
minutes = ecma_date_parse_date_chars (&iter, 2);
if (minutes < 0 || minutes > 59)
{
minutes = ecma_number_make_nan ();
}
if (is_negative)
{
time += ecma_date_make_time (hours, minutes, ECMA_NUMBER_ZERO, ECMA_NUMBER_ZERO);
}
else
{
time -= ecma_date_make_time (hours, minutes, ECMA_NUMBER_ZERO, ECMA_NUMBER_ZERO);
}
}
}
}
if (lit_utf8_iterator_is_eos (&iter))
{
ecma_number_t date = ecma_date_make_day (year, month - 1, day);
*date_num_p = ecma_date_make_date (date, time);
}
}
ret_value = ecma_make_normal_completion_value (ecma_make_number_value (date_num_p));
MEM_FINALIZE_LOCAL_ARRAY (date_start_p);
ECMA_FINALIZE (date_str_value);
return ret_value;
} /* ecma_builtin_date_parse */
/**
* The Error.prototype object's 'toString' routine
*
* See also:
* ECMA-262 v5, 15.11.4.4
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_error_prototype_object_to_string (ecma_value_t this_arg) /**< this argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
// 2.
if (!ecma_is_value_object (this_arg))
{
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
}
else
{
ecma_object_t *obj_p = ecma_get_object_from_value (this_arg);
ecma_string_t *name_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_NAME);
ECMA_TRY_CATCH (name_get_ret_value,
ecma_op_object_get (obj_p, name_magic_string_p),
ret_value);
ecma_completion_value_t name_to_str_completion;
if (ecma_is_value_undefined (name_get_ret_value))
{
ecma_string_t *error_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_ERROR_UL);
name_to_str_completion = ecma_make_normal_completion_value (ecma_make_string_value (error_magic_string_p));
}
else
{
name_to_str_completion = ecma_op_to_string (name_get_ret_value);
}
if (unlikely (!ecma_is_completion_value_normal (name_to_str_completion)))
{
ret_value = ecma_copy_completion_value (name_to_str_completion);
}
else
{
ecma_string_t *message_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_MESSAGE);
ECMA_TRY_CATCH (msg_get_ret_value,
ecma_op_object_get (obj_p, message_magic_string_p),
ret_value);
ecma_completion_value_t msg_to_str_completion;
if (ecma_is_value_undefined (msg_get_ret_value))
{
ecma_string_t *empty_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY);
msg_to_str_completion = ecma_make_normal_completion_value (ecma_make_string_value (empty_magic_string_p));
}
else
{
msg_to_str_completion = ecma_op_to_string (msg_get_ret_value);
}
if (unlikely (!ecma_is_completion_value_normal (msg_to_str_completion)))
{
ret_value = ecma_copy_completion_value (msg_to_str_completion);
}
else
{
ecma_string_t *name_string_p = ecma_get_string_from_completion_value (name_to_str_completion);
ecma_string_t *msg_string_p = ecma_get_string_from_completion_value (msg_to_str_completion);
ecma_string_t *ret_str_p;
if (ecma_string_get_length (name_string_p) == 0)
{
ret_str_p = ecma_copy_or_ref_ecma_string (msg_string_p);
}
else if (ecma_string_get_length (msg_string_p) == 0)
{
ret_str_p = ecma_copy_or_ref_ecma_string (name_string_p);
}
else
{
const lit_utf8_size_t size = (ecma_string_get_size (name_string_p) +
ecma_string_get_size (msg_string_p) +
lit_get_magic_string_size (LIT_MAGIC_STRING_COLON_CHAR) +
lit_get_magic_string_size (LIT_MAGIC_STRING_SPACE_CHAR));
const ssize_t buffer_size = (ssize_t) size;
ssize_t buffer_size_left = buffer_size;
MEM_DEFINE_LOCAL_ARRAY (ret_str_buffer, buffer_size, lit_utf8_byte_t);
lit_utf8_byte_t *ret_str_buffer_p = ret_str_buffer;
ssize_t bytes = ecma_string_to_utf8_string (name_string_p, ret_str_buffer_p, buffer_size_left);
JERRY_ASSERT (bytes >= 0 && buffer_size_left - bytes >= 0);
buffer_size_left -= bytes;
ret_str_buffer_p = ret_str_buffer + buffer_size - buffer_size_left;
ret_str_buffer_p = lit_copy_magic_string_to_buffer (LIT_MAGIC_STRING_COLON_CHAR,
ret_str_buffer_p,
buffer_size_left);
buffer_size_left = buffer_size - (ret_str_buffer_p - ret_str_buffer);
JERRY_ASSERT (buffer_size_left >= 0);
ret_str_buffer_p = lit_copy_magic_string_to_buffer (LIT_MAGIC_STRING_SPACE_CHAR,
ret_str_buffer_p,
buffer_size_left);
buffer_size_left = buffer_size - (ret_str_buffer_p - ret_str_buffer);
JERRY_ASSERT (buffer_size_left >= 0);
bytes = ecma_string_to_utf8_string (msg_string_p, ret_str_buffer_p, buffer_size_left);
JERRY_ASSERT (bytes >= 0 && buffer_size_left - bytes >= 0);
buffer_size_left -= bytes;
JERRY_ASSERT (buffer_size_left >= 0);
ret_str_p = ecma_new_ecma_string_from_utf8 (ret_str_buffer,
(jerry_api_size_t) (buffer_size - buffer_size_left));
MEM_FINALIZE_LOCAL_ARRAY (ret_str_buffer);
}
ret_value = ecma_make_normal_completion_value (ecma_make_string_value (ret_str_p));
}
ecma_free_completion_value (msg_to_str_completion);
ECMA_FINALIZE (msg_get_ret_value);
ecma_deref_ecma_string (message_magic_string_p);
}
ecma_free_completion_value (name_to_str_completion);
ECMA_FINALIZE (name_get_ret_value);
ecma_deref_ecma_string (name_magic_string_p);
}
return ret_value;
} /* ecma_builtin_error_prototype_object_to_string */
/**
* Helper function to convert a string to upper or lower case.
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_string_prototype_object_conversion_helper (ecma_value_t this_arg, /**< this argument */
bool lower_case) /**< convert to lower (true)
* or upper (false) case */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
/* 1. */
ECMA_TRY_CATCH (check_coercible_val,
ecma_op_check_object_coercible (this_arg),
ret_value);
/* 2. */
ECMA_TRY_CATCH (to_string_val,
ecma_op_to_string (this_arg),
ret_value);
/* 3. */
ecma_string_t *input_string_p = ecma_get_string_from_value (to_string_val);
lit_utf8_size_t input_size = ecma_string_get_size (input_string_p);
MEM_DEFINE_LOCAL_ARRAY (input_start_p,
input_size,
lit_utf8_byte_t);
ecma_string_to_utf8_string (input_string_p,
input_start_p,
(ssize_t) (input_size));
/*
* The URI encoding has two major phases: first we compute
* the length of the lower case string, then we encode it.
*/
lit_utf8_size_t output_length = 0;
lit_utf8_iterator_t input_iterator = lit_utf8_iterator_create (input_start_p, input_size);
while (!lit_utf8_iterator_is_eos (&input_iterator))
{
ecma_char_t character = lit_utf8_iterator_read_next (&input_iterator);
ecma_char_t character_buffer[LIT_MAXIMUM_OTHER_CASE_LENGTH];
lit_utf8_byte_t utf8_byte_buffer[LIT_UTF8_MAX_BYTES_IN_CODE_POINT];
lit_utf8_size_t character_length;
/*
* We need to keep surrogate pairs. Surrogates are never converted,
* regardless they form a valid pair or not.
*/
if (lit_is_code_unit_high_surrogate (character))
{
ecma_char_t next_character = lit_utf8_iterator_peek_next (&input_iterator);
if (lit_is_code_unit_low_surrogate (next_character))
{
lit_code_point_t surrogate_code_point = lit_convert_surrogate_pair_to_code_point (character, next_character);
output_length += lit_code_point_to_utf8 (surrogate_code_point, utf8_byte_buffer);
lit_utf8_iterator_incr (&input_iterator);
continue;
}
}
if (lower_case)
{
character_length = lit_char_to_lower_case (character,
character_buffer,
LIT_MAXIMUM_OTHER_CASE_LENGTH);
}
else
{
character_length = lit_char_to_upper_case (character,
character_buffer,
LIT_MAXIMUM_OTHER_CASE_LENGTH);
}
JERRY_ASSERT (character_length >= 1 && character_length <= LIT_MAXIMUM_OTHER_CASE_LENGTH);
for (lit_utf8_size_t i = 0; i < character_length; i++)
{
output_length += lit_code_unit_to_utf8 (character_buffer[i], utf8_byte_buffer);
}
}
/* Second phase. */
MEM_DEFINE_LOCAL_ARRAY (output_start_p,
output_length,
lit_utf8_byte_t);
lit_utf8_byte_t *output_char_p = output_start_p;
/* Encoding the output. */
lit_utf8_iterator_seek_bos (&input_iterator);
while (!lit_utf8_iterator_is_eos (&input_iterator))
{
ecma_char_t character = lit_utf8_iterator_read_next (&input_iterator);
ecma_char_t character_buffer[LIT_MAXIMUM_OTHER_CASE_LENGTH];
lit_utf8_size_t character_length;
/*
* We need to keep surrogate pairs. Surrogates are never converted,
* regardless they form a valid pair or not.
*/
if (lit_is_code_unit_high_surrogate (character))
{
ecma_char_t next_character = lit_utf8_iterator_peek_next (&input_iterator);
if (lit_is_code_unit_low_surrogate (next_character))
{
lit_code_point_t surrogate_code_point = lit_convert_surrogate_pair_to_code_point (character, next_character);
output_char_p += lit_code_point_to_utf8 (surrogate_code_point, output_char_p);
lit_utf8_iterator_incr (&input_iterator);
continue;
}
}
if (lower_case)
{
character_length = lit_char_to_lower_case (character,
character_buffer,
LIT_MAXIMUM_OTHER_CASE_LENGTH);
}
else
{
character_length = lit_char_to_upper_case (character,
character_buffer,
LIT_MAXIMUM_OTHER_CASE_LENGTH);
}
JERRY_ASSERT (character_length >= 1 && character_length <= LIT_MAXIMUM_OTHER_CASE_LENGTH);
for (lit_utf8_size_t i = 0; i < character_length; i++)
{
output_char_p += lit_code_point_to_utf8 (character_buffer[i], output_char_p);
}
}
JERRY_ASSERT (output_start_p + output_length == output_char_p);
ecma_string_t *output_string_p = ecma_new_ecma_string_from_utf8 (output_start_p, output_length);
ret_value = ecma_make_normal_completion_value (ecma_make_string_value (output_string_p));
MEM_FINALIZE_LOCAL_ARRAY (output_start_p);
MEM_FINALIZE_LOCAL_ARRAY (input_start_p);
ECMA_FINALIZE (to_string_val);
ECMA_FINALIZE (check_coercible_val);
return ret_value;
} /* ecma_builtin_string_prototype_object_conversion_helper */
/**
* The String.prototype object's 'indexOf' routine
*
* See also:
* ECMA-262 v5, 15.5.4.7
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_string_prototype_object_index_of (ecma_value_t this_arg, /**< this argument */
ecma_value_t arg1, /**< routine's first argument */
ecma_value_t arg2) /**< routine's second argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
/* 1 */
ECMA_TRY_CATCH (check_coercible_val,
ecma_op_check_object_coercible (this_arg),
ret_value);
/* 2 */
ECMA_TRY_CATCH (to_str_val,
ecma_op_to_string (this_arg),
ret_value);
/* 3 */
ECMA_TRY_CATCH (search_str_val,
ecma_op_to_string (arg1),
ret_value);
/* 4 */
ECMA_OP_TO_NUMBER_TRY_CATCH (pos_num,
arg2,
ret_value);
/* 5 */
ecma_string_t *original_str_p = ecma_get_string_from_value (to_str_val);
const ecma_length_t original_len = ecma_string_get_length (original_str_p);
const lit_utf8_size_t original_size = ecma_string_get_size (original_str_p);
/* 4b, 6 */
ecma_length_t start = ecma_builtin_helper_string_index_normalize (pos_num, original_len);
/* 7 */
ecma_string_t *search_str_p = ecma_get_string_from_value (search_str_val);
const ecma_length_t search_len = ecma_string_get_length (search_str_p);
const lit_utf8_size_t search_size = ecma_string_get_size (search_str_p);
ecma_number_t *ret_num_p = ecma_alloc_number ();
*ret_num_p = ecma_int32_to_number (-1);
/* 8 */
if (search_len <= original_len)
{
if (!search_len)
{
*ret_num_p = ecma_uint32_to_number (0);
}
else
{
/* create utf8 string from original string and advance to start position */
MEM_DEFINE_LOCAL_ARRAY (original_str_utf8_p,
original_size,
lit_utf8_byte_t);
ecma_string_to_utf8_string (original_str_p,
original_str_utf8_p,
(ssize_t) (original_size));
lit_utf8_iterator_t original_it = lit_utf8_iterator_create (original_str_utf8_p, original_size);
ecma_length_t index = start;
lit_utf8_iterator_advance (&original_it, index);
/* create utf8 string from search string */
MEM_DEFINE_LOCAL_ARRAY (search_str_utf8_p,
search_size,
lit_utf8_byte_t);
ecma_string_to_utf8_string (search_str_p,
search_str_utf8_p,
(ssize_t) (search_size));
lit_utf8_iterator_t search_it = lit_utf8_iterator_create (search_str_utf8_p, search_size);
/* iterate original string and try to match at each position */
bool found = false;
while (!found && index <= original_len - search_len)
{
ecma_length_t match_len = 0;
lit_utf8_iterator_pos_t stored_original_pos = lit_utf8_iterator_get_pos (&original_it);
while (match_len < search_len &&
lit_utf8_iterator_read_next (&original_it) == lit_utf8_iterator_read_next (&search_it))
{
match_len++;
}
/* Check for match */
if (match_len == search_len)
{
*ret_num_p = ecma_uint32_to_number (index);
found = true;
}
else
{
/* reset iterators */
lit_utf8_iterator_seek_bos (&search_it);
lit_utf8_iterator_seek (&original_it, stored_original_pos);
lit_utf8_iterator_incr (&original_it);
}
index++;
}
MEM_FINALIZE_LOCAL_ARRAY (search_str_utf8_p);
MEM_FINALIZE_LOCAL_ARRAY (original_str_utf8_p);
}
}
ecma_value_t new_value = ecma_make_number_value (ret_num_p);
ret_value = ecma_make_normal_completion_value (new_value);
ECMA_OP_TO_NUMBER_FINALIZE (pos_num);
ECMA_FINALIZE (search_str_val);
ECMA_FINALIZE (to_str_val);
ECMA_FINALIZE (check_coercible_val);
return ret_value;
} /* ecma_builtin_string_prototype_object_index_of */
/**
* The JSON object's 'parse' routine
*
* See also:
* ECMA-262 v5, 15.12.2
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_json_parse (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
ecma_value_t arg1, /**< string argument */
ecma_value_t arg2) /**< reviver argument */
{
ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
ECMA_TRY_CATCH (string,
ecma_op_to_string (arg1),
ret_value);
ecma_string_t *string_p = ecma_get_string_from_value (string);
ecma_length_t string_size = (uint32_t) ecma_string_get_size (string_p);
size_t buffer_size = sizeof (lit_utf8_byte_t) * (string_size + 1);
MEM_DEFINE_LOCAL_ARRAY (str_start_p, buffer_size, lit_utf8_byte_t);
ssize_t sz = ecma_string_to_utf8_string (string_p, str_start_p, (ssize_t) buffer_size);
JERRY_ASSERT (sz == (ssize_t) string_size);
str_start_p[string_size] = LIT_BYTE_NULL;
ecma_json_token_t token;
token.current_p = str_start_p;
token.end_p = str_start_p + string_size;
ecma_value_t final_result = ecma_builtin_json_parse_value (&token);
if (!ecma_is_value_undefined (final_result))
{
ecma_builtin_json_parse_next_token (&token);
if (token.type != end_token)
{
ecma_free_value (final_result);
final_result = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED);
}
}
if (ecma_is_value_undefined (final_result))
{
ret_value = ecma_raise_syntax_error ("");
}
else
{
if (ecma_op_is_callable (arg2))
{
ecma_object_t *object_p = ecma_op_create_object_object_noarg ();
ecma_string_t *name_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY);
ecma_property_t *property_p = ecma_create_named_data_property (object_p,
name_p,
true,
true,
true);
ecma_named_data_property_assign_value (object_p, property_p, final_result);
ecma_free_value (final_result);
ret_value = ecma_builtin_json_walk (ecma_get_object_from_value (arg2),
object_p,
name_p);
ecma_deref_object (object_p);
ecma_deref_ecma_string (name_p);
}
else
{
ret_value = final_result;
}
}
MEM_FINALIZE_LOCAL_ARRAY (str_start_p);
ECMA_FINALIZE (string);
return ret_value;
} /* ecma_builtin_json_parse */
/**
* Abstract operation 'Quote' defined in 15.12.3
*
* See also:
* ECMA-262 v5, 15.12.3
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_json_quote (ecma_string_t *string_p) /**< string that should be quoted*/
{
/* 1. */
ecma_string_t *quote_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_DOUBLE_QUOTE_CHAR);
ecma_string_t *product_str_p = ecma_copy_or_ref_ecma_string (quote_str_p);
ecma_string_t *tmp_str_p;
ecma_length_t string_size = ecma_string_get_size (string_p);
MEM_DEFINE_LOCAL_ARRAY (string_buff, string_size, lit_utf8_byte_t);
ssize_t bytes_copied = ecma_string_to_utf8_string (string_p,
string_buff,
(ssize_t) string_size);
JERRY_ASSERT (bytes_copied > 0 || !string_size);
lit_utf8_byte_t *str_p = string_buff;
const lit_utf8_byte_t *str_end_p = str_p + string_size;
while (str_p < str_end_p)
{
ecma_char_t current_char = lit_utf8_read_next (&str_p);
/* 2.a */
if (current_char == LIT_CHAR_BACKSLASH || current_char == LIT_CHAR_DOUBLE_QUOTE)
{
ecma_string_t *backslash_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_BACKSLASH_CHAR);
/* 2.a.i */
tmp_str_p = ecma_concat_ecma_strings (product_str_p, backslash_str_p);
ecma_deref_ecma_string (product_str_p);
ecma_deref_ecma_string (backslash_str_p);
product_str_p = tmp_str_p;
/* 2.a.ii */
ecma_string_t *current_char_str_p = ecma_new_ecma_string_from_code_unit (current_char);
tmp_str_p = ecma_concat_ecma_strings (product_str_p, current_char_str_p);
ecma_deref_ecma_string (product_str_p);
ecma_deref_ecma_string (current_char_str_p);
product_str_p = tmp_str_p;
}
/* 2.b */
else if (current_char == LIT_CHAR_BS
|| current_char == LIT_CHAR_FF
|| current_char == LIT_CHAR_LF
|| current_char == LIT_CHAR_CR
|| current_char == LIT_CHAR_TAB)
{
ecma_string_t *backslash_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_BACKSLASH_CHAR);
/* 2.b.i */
tmp_str_p = ecma_concat_ecma_strings (product_str_p, backslash_str_p);
ecma_deref_ecma_string (product_str_p);
ecma_deref_ecma_string (backslash_str_p);
product_str_p = tmp_str_p;
/* 2.b.ii */
lit_utf8_byte_t abbrev = LIT_CHAR_SP;
switch (current_char)
{
case LIT_CHAR_BS:
{
abbrev = LIT_CHAR_LOWERCASE_B;
break;
}
case LIT_CHAR_FF:
{
abbrev = LIT_CHAR_LOWERCASE_F;
break;
}
case LIT_CHAR_LF:
{
abbrev = LIT_CHAR_LOWERCASE_N;
break;
}
case LIT_CHAR_CR:
{
abbrev = LIT_CHAR_LOWERCASE_R;
break;
}
case LIT_CHAR_TAB:
{
abbrev = LIT_CHAR_LOWERCASE_T;
break;
}
}
/* 2.b.iii */
ecma_string_t *abbrev_str_p = ecma_new_ecma_string_from_utf8 (&abbrev, 1);
tmp_str_p = ecma_concat_ecma_strings (product_str_p, abbrev_str_p);
ecma_deref_ecma_string (product_str_p);
ecma_deref_ecma_string (abbrev_str_p);
product_str_p = tmp_str_p;
}
/* 2.c */
else if (current_char < LIT_CHAR_SP)
{
ecma_string_t *backslash_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_BACKSLASH_CHAR);
/* 2.c.i */
tmp_str_p = ecma_concat_ecma_strings (product_str_p, backslash_str_p);
ecma_deref_ecma_string (product_str_p);
ecma_deref_ecma_string (backslash_str_p);
product_str_p = tmp_str_p;
/* 2.c.ii */
lit_utf8_byte_t u_ch = LIT_CHAR_LOWERCASE_U;
ecma_string_t *u_ch_str_p = ecma_new_ecma_string_from_utf8 (&u_ch, 1);
tmp_str_p = ecma_concat_ecma_strings (product_str_p, u_ch_str_p);
ecma_deref_ecma_string (product_str_p);
ecma_deref_ecma_string (u_ch_str_p);
product_str_p = tmp_str_p;
/* 2.c.iii */
ecma_string_t *hex_str_p = ecma_builtin_helper_json_create_hex_digit_ecma_string ((uint8_t) current_char);
/* 2.c.iv */
tmp_str_p = ecma_concat_ecma_strings (product_str_p, hex_str_p);
ecma_deref_ecma_string (product_str_p);
ecma_deref_ecma_string (hex_str_p);
product_str_p = tmp_str_p;
}
/* 2.d */
else
{
ecma_string_t *current_char_str_p = ecma_new_ecma_string_from_code_unit (current_char);
tmp_str_p = ecma_concat_ecma_strings (product_str_p, current_char_str_p);
ecma_deref_ecma_string (product_str_p);
ecma_deref_ecma_string (current_char_str_p);
product_str_p = tmp_str_p;
}
}
MEM_FINALIZE_LOCAL_ARRAY (string_buff);
/* 3. */
tmp_str_p = ecma_concat_ecma_strings (product_str_p, quote_str_p);
ecma_deref_ecma_string (product_str_p);
ecma_deref_ecma_string (quote_str_p);
product_str_p = tmp_str_p;
/* 4. */
return ecma_make_string_value (product_str_p);
} /* ecma_builtin_json_quote */
/**
* Compilation of RegExp bytecode
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value
*/
ecma_completion_value_t
re_compile_bytecode (re_bytecode_t **out_bytecode_p, /**< out:pointer to bytecode */
ecma_string_t *pattern_str_p, /**< pattern */
uint8_t flags) /**< flags */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
re_compiler_ctx_t re_ctx;
re_ctx.flags = flags;
re_ctx.highest_backref = 0;
re_ctx.num_of_non_captures = 0;
re_bytecode_ctx_t bc_ctx;
bc_ctx.block_start_p = NULL;
bc_ctx.block_end_p = NULL;
bc_ctx.current_p = NULL;
re_ctx.bytecode_ctx_p = &bc_ctx;
lit_utf8_size_t pattern_str_size = ecma_string_get_size (pattern_str_p);
MEM_DEFINE_LOCAL_ARRAY (pattern_start_p, pattern_str_size, lit_utf8_byte_t);
ecma_string_to_utf8_string (pattern_str_p, pattern_start_p, (ssize_t) pattern_str_size);
lit_utf8_iterator_t iter = lit_utf8_iterator_create (pattern_start_p, pattern_str_size);
re_parser_ctx_t parser_ctx;
parser_ctx.iter = iter;
parser_ctx.num_of_groups = -1;
re_ctx.parser_ctx_p = &parser_ctx;
/* 1. Parse RegExp pattern */
re_ctx.num_of_captures = 1;
re_append_opcode (&bc_ctx, RE_OP_SAVE_AT_START);
ECMA_TRY_CATCH (empty, re_parse_alternative (&re_ctx, true), ret_value);
/* 2. Check for invalid backreference */
if (re_ctx.highest_backref >= re_ctx.num_of_captures)
{
ret_value = ecma_raise_syntax_error ("Invalid backreference.\n");
}
else
{
re_append_opcode (&bc_ctx, RE_OP_SAVE_AND_MATCH);
re_append_opcode (&bc_ctx, RE_OP_EOF);
/* 3. Insert extra informations for bytecode header */
re_insert_u32 (&bc_ctx, 0, (uint32_t) re_ctx.num_of_non_captures);
re_insert_u32 (&bc_ctx, 0, (uint32_t) re_ctx.num_of_captures * 2);
re_insert_u32 (&bc_ctx, 0, (uint32_t) re_ctx.flags);
}
ECMA_FINALIZE (empty);
MEM_FINALIZE_LOCAL_ARRAY (pattern_start_p);
if (!ecma_is_completion_value_empty (ret_value))
{
/* Compilation failed, free bytecode. */
mem_heap_free_block (bc_ctx.block_start_p);
*out_bytecode_p = NULL;
}
else
{
/* The RegExp bytecode contains at least a RE_OP_SAVE_AT_START opdoce, so it cannot be NULL. */
JERRY_ASSERT (bc_ctx.block_start_p != NULL);
*out_bytecode_p = bc_ctx.block_start_p;
}
#ifdef JERRY_ENABLE_LOG
re_dump_bytecode (&bc_ctx);
#endif
return ret_value;
} /* re_compile_bytecode */
