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Enable regular expressions.

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- add regular expressions support to JS parser and interpreter;
- add tests for regular expressions.

JerryScript-DCO-1.0-Signed-off-by: Szilard Ledan szledan.u-szeged@partner.samsung.com
JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com
This commit is contained in:
László Langó
2015-06-26 00:03:20 +03:00
parent f992f5d92e
commit e027b4d65d
19 changed files with 1087 additions and 6 deletions
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jerry-core/vm/opcodes.cpp
+60
View File
@@ -1,4 +1,5 @@
/* Copyright 2014-2015 Samsung Electronics Co., Ltd.
* Copyright 2015 University of Szeged.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -162,6 +163,65 @@ opfunc_assignment (opcode_t opdata, /**< operation data */
dst_var_idx,
ecma_make_number_value (num_p));
}
else if (type_value_right == OPCODE_ARG_TYPE_REGEXP)
{
#ifndef CONFIG_ECMA_COMPACT_PROFILE_DISABLE_REGEXP_BUILTIN
lit_cpointer_t lit_cp = serializer_get_literal_cp_by_uid (src_val_descr,
int_data->opcodes_p,
int_data->pos);
ecma_string_t *string_p = ecma_new_ecma_string_from_lit_cp (lit_cp);
int32_t re_str_len = ecma_string_get_length (string_p);
MEM_DEFINE_LOCAL_ARRAY (re_str_p, re_str_len + 1, ecma_char_t);
ssize_t zt_str_size = (ssize_t) sizeof (ecma_char_t) * (re_str_len + 1);
ecma_string_to_zt_string (string_p, re_str_p, zt_str_size);
ecma_char_t *ch_p = re_str_p;
ecma_char_t *last_slash_p = NULL;
while (*ch_p)
{
if (*ch_p == '/')
{
last_slash_p = ch_p;
}
ch_p++;
}
JERRY_ASSERT (last_slash_p != NULL);
JERRY_ASSERT ((re_str_p < last_slash_p) && (last_slash_p < ch_p));
JERRY_ASSERT ((last_slash_p - re_str_p) > 0);
ecma_string_t *pattern_p = ecma_new_ecma_string (re_str_p, (ecma_length_t) (last_slash_p - re_str_p));
ecma_string_t *flags_p = NULL;
if ((ch_p - last_slash_p) > 1)
{
flags_p = ecma_new_ecma_string (last_slash_p + 1, (ecma_length_t) ((ch_p - last_slash_p - 1)));
}
ECMA_TRY_CATCH (regexp_obj_value,
ecma_op_create_regexp_object (pattern_p, flags_p),
ret_value);
ret_value = set_variable_value (int_data,
int_data->pos,
dst_var_idx,
regexp_obj_value);
ECMA_FINALIZE (regexp_obj_value);
ecma_deref_ecma_string (pattern_p);
if (flags_p != NULL)
{
ecma_deref_ecma_string (flags_p);
}
MEM_FINALIZE_LOCAL_ARRAY (re_str_p)
ecma_deref_ecma_string (string_p);
#else
JERRY_UNIMPLEMENTED ("Regular Expressions are not supported in compact profile!");
#endif /* CONFIG_ECMA_COMPACT_PROFILE_DISABLE_REGEXP_BUILTIN */
}
else
{
JERRY_ASSERT (type_value_right == OPCODE_ARG_TYPE_SMALLINT_NEGATE);