YourWishes/jerryscript
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Use symbolic constants for code size checks. (#3682)

Browse Source 
JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-04-17 13:05:07 +02:00
committed by GitHub
parent 895973ca82
commit 4be9ffda84
3 changed files with 34 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files
jerry-core/parser/js/js-parser-util.c
+19 -28
View File
@@ -566,11 +566,7 @@ parser_emit_cbc_forward_branch (parser_context_t *context_p, /**< context */
}
#endif /* ENABLED (JERRY_PARSER_DUMP_BYTE_CODE) */
#if PARSER_MAXIMUM_CODE_SIZE <= 65535
opcode++;
#else /* PARSER_MAXIMUM_CODE_SIZE > 65535 */
PARSER_PLUS_EQUAL_U16 (opcode, 2);
#endif /* PARSER_MAXIMUM_CODE_SIZE <= 65535 */
PARSER_PLUS_EQUAL_U16 (opcode, PARSER_MAX_BRANCH_LENGTH - 1);
parser_emit_two_bytes (context_p, (uint8_t) opcode, 0);
branch_p->page_p = context_p->byte_code.last_p;
@@ -578,13 +574,13 @@ parser_emit_cbc_forward_branch (parser_context_t *context_p, /**< context */
context_p->byte_code_size += extra_byte_code_increase;
#if PARSER_MAXIMUM_CODE_SIZE <= 65535
#if PARSER_MAXIMUM_CODE_SIZE <= UINT16_MAX
PARSER_APPEND_TO_BYTE_CODE (context_p, 0);
context_p->byte_code_size += 3;
#else /* PARSER_MAXIMUM_CODE_SIZE > 65535 */
#else /* PARSER_MAXIMUM_CODE_SIZE > UINT16_MAX */
parser_emit_two_bytes (context_p, 0, 0);
context_p->byte_code_size += 4;
#endif /* PARSER_MAXIMUM_CODE_SIZE <= 65535 */
#endif /* PARSER_MAXIMUM_CODE_SIZE <= UINT16_MAX */
context_p->byte_code_size += PARSER_MAX_BRANCH_LENGTH + 1;
if (context_p->stack_depth > context_p->stack_limit)
{
@@ -681,35 +677,30 @@ parser_emit_cbc_backward_branch (parser_context_t *context_p, /**< context */
#endif /* ENABLED (JERRY_PARSER_DUMP_BYTE_CODE) */
context_p->byte_code_size += 2;
#if PARSER_MAXIMUM_CODE_SIZE <= 65535
if (offset > 255)
#if PARSER_MAXIMUM_CODE_SIZE > UINT16_MAX
if (offset > UINT16_MAX)
{
opcode++;
context_p->byte_code_size++;
}
#else /* PARSER_MAXIMUM_CODE_SIZE > 65535 */
if (offset > 65535)
{
PARSER_PLUS_EQUAL_U16 (opcode, 2);
context_p->byte_code_size += 2;
}
else if (offset > 255)
#endif /* PARSER_MAXIMUM_CODE_SIZE > UINT16_MAX */
if (offset > UINT8_MAX)
{
opcode++;
context_p->byte_code_size++;
}
#endif /* PARSER_MAXIMUM_CODE_SIZE <= 65535 */
PARSER_APPEND_TO_BYTE_CODE (context_p, (uint8_t) opcode);
#if PARSER_MAXIMUM_CODE_SIZE > 65535
if (offset > 65535)
#if PARSER_MAXIMUM_CODE_SIZE > UINT16_MAX
if (offset > UINT16_MAX)
{
PARSER_APPEND_TO_BYTE_CODE (context_p, offset >> 16);
}
#endif /* PARSER_MAXIMUM_CODE_SIZE > 65535 */
#endif /* PARSER_MAXIMUM_CODE_SIZE > UINT16_MAX */
if (offset > 255)
if (offset > UINT8_MAX)
{
PARSER_APPEND_TO_BYTE_CODE (context_p, (offset >> 8) & 0xff);
}
@@ -745,14 +736,14 @@ parser_set_branch_to_current_position (parser_context_t *context_p, /**< context
JERRY_ASSERT (delta <= PARSER_MAXIMUM_CODE_SIZE);
#if PARSER_MAXIMUM_CODE_SIZE <= 65535
#if PARSER_MAXIMUM_CODE_SIZE <= UINT16_MAX
page_p->bytes[offset++] = (uint8_t) (delta >> 8);
if (offset >= PARSER_CBC_STREAM_PAGE_SIZE)
{
page_p = page_p->next_p;
offset = 0;
}
#else /* PARSER_MAXIMUM_CODE_SIZE > 65535 */
#else /* PARSER_MAXIMUM_CODE_SIZE > UINT16_MAX */
page_p->bytes[offset++] = (uint8_t) (delta >> 16);
if (offset >= PARSER_CBC_STREAM_PAGE_SIZE)
{
@@ -765,8 +756,8 @@ parser_set_branch_to_current_position (parser_context_t *context_p, /**< context
page_p = page_p->next_p;
offset = 0;
}
#endif /* PARSER_MAXIMUM_CODE_SIZE <= 65535 */
page_p->bytes[offset++] = delta & 0xff;
#endif /* PARSER_MAXIMUM_CODE_SIZE <= UINT16_MAX */
page_p->bytes[offset] = delta & 0xff;
} /* parser_set_branch_to_current_position */
/**