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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/literal.cpp
+36 -2
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@@ -79,6 +79,27 @@ create_literal_from_zt (const ecma_char_t *s, ecma_length_t len)
}
}
uint32_t ex_count = ecma_get_magic_string_ex_count ();
for (ecma_magic_string_ex_id_t msi = (ecma_magic_string_ex_id_t) 0;
msi < ex_count;
msi = (ecma_magic_string_id_t) (msi + 1))
{
const ecma_char_t* ex_string = ecma_get_magic_string_ex_zt (msi);
if (ecma_zt_string_length (ex_string) != len)
{
continue;
}
if (!strncmp ((const char *) s, (const char *) ex_string, len))
{
literal ret;
ret.type = LIT_MAGIC_STR_EX;
ret.data.magic_str_ex_id = msi;
return ret;
}
}
literal ret;
ret.type = LIT_STR;
@@ -108,7 +129,7 @@ literal_equal_type_s (literal lit, const char *s)
bool
literal_equal_type_zt (literal lit, const ecma_char_t *s)
{
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)
{
return false;
}
@@ -142,6 +163,10 @@ literal_equal_lp (literal lit, lp_string lp)
{
return lp_string_equal_zt (lp, ecma_get_magic_string_zt (lit.data.magic_str_id));
}
case LIT_MAGIC_STR_EX:
{
return lp_string_equal_zt (lp, ecma_get_magic_string_ex_zt (lit.data.magic_str_ex_id));
}
case LIT_NUMBER:
{
ecma_char_t buff[ECMA_MAX_CHARS_IN_STRINGIFIED_NUMBER];
@@ -172,6 +197,10 @@ literal_equal (literal lit1, literal lit2)
{
return literal_equal_zt (lit1, ecma_get_magic_string_zt (lit2.data.magic_str_id));
}
case LIT_MAGIC_STR_EX:
{
return literal_equal_zt (lit1, ecma_get_magic_string_ex_zt (lit2.data.magic_str_ex_id));
}
case LIT_NUMBER:
{
return literal_equal_num (lit1, lit2.data.num);
@@ -206,6 +235,10 @@ literal_equal_zt (literal lit, const ecma_char_t *s)
{
return ecma_compare_zt_strings (s, ecma_get_magic_string_zt (lit.data.magic_str_id));
}
case LIT_MAGIC_STR_EX:
{
return ecma_compare_zt_strings (s, ecma_get_magic_string_ex_zt (lit.data.magic_str_ex_id));
}
case LIT_NUMBER:
{
ecma_char_t buff[ECMA_MAX_CHARS_IN_STRINGIFIED_NUMBER];
@@ -230,12 +263,13 @@ literal_equal_num (literal lit, ecma_number_t num)
const ecma_char_t *
literal_to_zt (literal lit)
{
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);
switch (lit.type)
{
case LIT_STR: return lit.data.lp.str;
case LIT_MAGIC_STR: return ecma_get_magic_string_zt (lit.data.magic_str_id);
case LIT_MAGIC_STR_EX: return ecma_get_magic_string_ex_zt (lit.data.magic_str_ex_id);
default: JERRY_UNREACHABLE ();
}
}