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Improve empty checks of ecma strings

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JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com
This commit is contained in:
László Langó
2016-05-31 14:38:36 +02:00
parent 2324617928
commit 7f153c799a
8 changed files with 29 additions and 17 deletions
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jerry-core/ecma/base/ecma-helpers-string.c
+13
View File
@@ -831,6 +831,19 @@ ecma_string_raw_chars (const ecma_string_t *string_p, /**< ecma-string */
return result_p;
} /* ecma_string_raw_chars */
/**
* Checks whether ecma string is empty or not
*
* @return true - if empty
* false - otherwise
*/
bool
ecma_string_is_empty (const ecma_string_t *str_p) /**< ecma-string */
{
return (ECMA_STRING_GET_CONTAINER (str_p) == ECMA_STRING_CONTAINER_MAGIC_STRING
&& str_p->u.magic_string_id == LIT_MAGIC_STRING__EMPTY);
} /* ecma_string_is_empty */
/**
* Long path part of ecma-string to ecma-string comparison routine
*
jerry-core/ecma/base/ecma-helpers.h
+1
View File
@@ -179,6 +179,7 @@ ecma_string_copy_to_utf8_buffer (const ecma_string_t *, lit_utf8_byte_t *, lit_u
extern void ecma_string_to_utf8_bytes (const ecma_string_t *, lit_utf8_byte_t *, lit_utf8_size_t);
extern const lit_utf8_byte_t *ecma_string_raw_chars (const ecma_string_t *, lit_utf8_size_t *, bool *);
extern void ecma_init_ecma_string_from_uint32 (ecma_string_t *, uint32_t);
extern bool ecma_string_is_empty (const ecma_string_t *);
extern bool ecma_compare_ecma_strings_equal_hashes (const ecma_string_t *, const ecma_string_t *);
extern bool ecma_compare_ecma_strings (const ecma_string_t *, const ecma_string_t *);