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New External Magic String API to save heap memory

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JerryScript-DCO-1.0-Signed-off-by: SaeHie Park saehie.park@samsung.com
This commit is contained in:
SaeHie Park
2015-06-08 09:03:25 +09:00
parent 603fa56acf
commit 723924f36f
13 changed files with 457 additions and 12 deletions
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jerry-core/parser/js/lexer.cpp
+12 -2
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@@ -133,6 +133,16 @@ string_equals_to_literal (const ecma_char_t *str_p, /**< characters buffer */
return true;
}
}
else if (lit.type == LIT_MAGIC_STR_EX)
{
const char *magic_str_p = (const char *) ecma_get_magic_string_ex_zt (lit.data.magic_str_ex_id);
if (strlen (magic_str_p) == length
&& strncmp (magic_str_p, (const char*) str_p, length) == 0)
{
return true;
}
}
return false;
} /* string_equals_to_literal */
@@ -194,7 +204,7 @@ convert_string_to_token (token_type tt, /**< token type */
for (literal_index_t i = 0; i < STACK_SIZE (literals); i++)
{
const literal lit = STACK_ELEMENT (literals, i);
if ((lit.type == LIT_STR || lit.type == LIT_MAGIC_STR)
if ((lit.type == LIT_STR || lit.type == LIT_MAGIC_STR || lit.type == LIT_MAGIC_STR_EX)
&& string_equals_to_literal (str_p, length, lit))
{
return create_token (tt, i);
@@ -202,7 +212,7 @@ convert_string_to_token (token_type tt, /**< token type */
}
literal lit = create_literal_from_str (str_p, length);
JERRY_ASSERT (lit.type == LIT_STR || lit.type == LIT_MAGIC_STR);
JERRY_ASSERT (lit.type == LIT_STR || lit.type == LIT_MAGIC_STR || lit.type == LIT_MAGIC_STR_EX);
if (lit.type == LIT_STR)
{
lit = add_string_to_string_cache (str_p, length);