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Implement BigInt literal parsing in the parser. (#4089)

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Support octal literals for BigInts.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-08-04 14:16:38 +02:00
committed by GitHub
parent be9dbeffdb
commit b5a96c9eca
16 changed files with 481 additions and 215 deletions
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jerry-core/parser/js/common.c
+83 -28
View File
@@ -15,6 +15,9 @@
#include "common.h"
#include "ecma-helpers.h"
#include "ecma-big-uint.h"
#include "ecma-bigint.h"
#include "lit-char-helpers.h"
#if ENABLED (JERRY_PARSER)
@@ -77,41 +80,93 @@ util_print_number (ecma_number_t num_p) /**< number to print */
JERRY_DEBUG_MSG ("%s", str_buf);
} /* util_print_number */
#if ENABLED (JERRY_BUILTIN_BIGINT)
/**
* Debug utility to print a bigint.
*/
static void
util_print_bigint (ecma_value_t bigint) /**< bigint to print */
{
ecma_extended_primitive_t *bigint_p = ecma_get_extended_primitive_from_value (bigint);
if (ECMA_BIGINT_GET_SIZE (bigint_p) == 0)
{
JERRY_DEBUG_MSG ("0");
return;
}
uint32_t char_start_p, char_size_p;
lit_utf8_byte_t *string_buffer_p = ecma_big_uint_to_string (bigint_p, 10, &char_start_p, &char_size_p);
if (JERRY_UNLIKELY (string_buffer_p == NULL))
{
JERRY_DEBUG_MSG ("<out-of-memory>");
return;
}
JERRY_ASSERT (char_start_p > 0);
if (bigint_p->u.bigint_sign_and_size & ECMA_BIGINT_SIGN)
{
string_buffer_p[--char_start_p] = LIT_CHAR_MINUS;
}
util_print_chars (string_buffer_p + char_start_p, char_size_p - char_start_p);
jmem_heap_free_block (string_buffer_p, char_size_p);
} /* util_print_bigint */
#endif /* ENABLED (JERRY_BUILTIN_BIGINT) */
/**
* Print literal.
*/
void
util_print_literal (lexer_literal_t *literal_p) /**< literal */
{
if (literal_p->type == LEXER_IDENT_LITERAL)
switch (literal_p->type)
{
JERRY_DEBUG_MSG ("ident(");
util_print_chars (literal_p->u.char_p, literal_p->prop.length);
}
else if (literal_p->type == LEXER_FUNCTION_LITERAL)
{
JERRY_DEBUG_MSG ("function");
return;
}
else if (literal_p->type == LEXER_STRING_LITERAL)
{
JERRY_DEBUG_MSG ("string(");
util_print_chars (literal_p->u.char_p, literal_p->prop.length);
}
else if (literal_p->type == LEXER_NUMBER_LITERAL)
{
JERRY_DEBUG_MSG ("number(");
util_print_number (ecma_get_number_from_value (literal_p->u.value));
}
else if (literal_p->type == LEXER_REGEXP_LITERAL)
{
JERRY_DEBUG_MSG ("regexp");
return;
}
else
{
JERRY_DEBUG_MSG ("unknown");
return;
case LEXER_IDENT_LITERAL:
{
JERRY_DEBUG_MSG ("ident(");
util_print_chars (literal_p->u.char_p, literal_p->prop.length);
break;
}
case LEXER_FUNCTION_LITERAL:
{
JERRY_DEBUG_MSG ("function");
return;
}
case LEXER_STRING_LITERAL:
{
JERRY_DEBUG_MSG ("string(");
util_print_chars (literal_p->u.char_p, literal_p->prop.length);
break;
}
case LEXER_NUMBER_LITERAL:
{
#if ENABLED (JERRY_BUILTIN_BIGINT)
if (ecma_is_value_bigint (literal_p->u.value))
{
JERRY_DEBUG_MSG ("bigint(");
util_print_bigint (literal_p->u.value);
break;
}
#endif /* ENABLED (JERRY_BUILTIN_BIGINT) */
JERRY_DEBUG_MSG ("number(");
util_print_number (ecma_get_number_from_value (literal_p->u.value));
break;
}
case LEXER_REGEXP_LITERAL:
{
JERRY_DEBUG_MSG ("regexp");
return;
}
default:
{
JERRY_DEBUG_MSG ("unknown");
return;
}
}
JERRY_DEBUG_MSG (")");