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Implement \u{hex} support. (#3447)

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A large rework because surrogate pairs must be combined.

Currently only the 0x10C80..0x10CF2 is accepted as valid identifier character from the non-basic plane.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2019-12-16 11:26:02 +01:00
committed by Dániel Bátyai
parent 1db16c3a1c
commit 40d930d62c
22 changed files with 765 additions and 370 deletions
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tests/unit-core/test-strings.c
+5 -5
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@@ -131,7 +131,7 @@ main (void)
while (curr_p < end_p)
{
code_units[code_units_count] = lit_utf8_peek_next (curr_p);
code_units[code_units_count] = lit_cesu8_peek_next (curr_p);
saved_positions[code_units_count] = curr_p;
code_units_count++;
calculated_length++;
@@ -147,7 +147,7 @@ main (void)
{
ecma_length_t index = (ecma_length_t) rand () % code_units_count;
curr_p = saved_positions[index];
TEST_ASSERT (lit_utf8_peek_next (curr_p) == code_units[index]);
TEST_ASSERT (lit_cesu8_peek_next (curr_p) == code_units[index]);
}
}
@@ -156,7 +156,7 @@ main (void)
{
TEST_ASSERT (code_units_count > 0);
calculated_length--;
TEST_ASSERT (code_units[calculated_length] == lit_utf8_peek_prev (curr_p));
TEST_ASSERT (code_units[calculated_length] == lit_cesu8_peek_prev (curr_p));
lit_utf8_decr (&curr_p);
}
@@ -164,7 +164,7 @@ main (void)
while (curr_p < end_p)
{
ecma_char_t code_unit = lit_utf8_read_next (&curr_p);
ecma_char_t code_unit = lit_cesu8_read_next (&curr_p);
TEST_ASSERT (code_unit == code_units[calculated_length]);
calculated_length++;
}
@@ -175,7 +175,7 @@ main (void)
{
TEST_ASSERT (code_units_count > 0);
calculated_length--;
TEST_ASSERT (code_units[calculated_length] == lit_utf8_read_prev (&curr_p));
TEST_ASSERT (code_units[calculated_length] == lit_cesu8_read_prev (&curr_p));
}
TEST_ASSERT (calculated_length == 0);