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Implement parsing await. (#3738)

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Several bugs fixed for parsing yield as well.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-05-15 22:26:05 +02:00
committed by GitHub
parent a6f6bce6f0
commit 1f00d750b7
21 changed files with 569 additions and 135 deletions
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jerry-core/parser/js/js-scanner-ops.c
+28 -12
View File
@@ -108,14 +108,24 @@ scanner_check_arrow (parser_context_t *context_p, /**< context */
}
scanner_literal_pool_t *literal_pool_p = scanner_context_p->active_literal_pool_p;
uint16_t status_flags = literal_pool_p->status_flags;
literal_pool_p->status_flags |= SCANNER_LITERAL_POOL_FUNCTION_WITHOUT_ARGUMENTS;
literal_pool_p->status_flags &= (uint16_t) ~(SCANNER_LITERAL_POOL_IN_WITH | SCANNER_LITERAL_POOL_GENERATOR);
status_flags |= SCANNER_LITERAL_POOL_FUNCTION_WITHOUT_ARGUMENTS;
status_flags &= (uint16_t) ~(SCANNER_LITERAL_POOL_IN_WITH
| SCANNER_LITERAL_POOL_GENERATOR
| SCANNER_LITERAL_POOL_ASYNC);
context_p->status_flags &= (uint32_t) ~PARSER_IS_GENERATOR_FUNCTION;
context_p->status_flags &= (uint32_t) ~(PARSER_IS_GENERATOR_FUNCTION | PARSER_IS_ASYNC_FUNCTION);
if (status_flags & SCANNER_LITERAL_POOL_ASYNC_ARROW)
{
status_flags |= SCANNER_LITERAL_POOL_ASYNC;
context_p->status_flags |= PARSER_IS_ASYNC_FUNCTION;
}
literal_pool_p->status_flags = status_flags;
scanner_filter_arguments (context_p, scanner_context_p);
scanner_check_arrow_body (context_p, scanner_context_p);
} /* scanner_check_arrow */
@@ -127,10 +137,19 @@ scanner_scan_simple_arrow (parser_context_t *context_p, /**< context */
scanner_context_t *scanner_context_p, /**< scanner context */
const uint8_t *source_p) /**< identifier end position */
{
scanner_literal_pool_t *literal_pool_p;
literal_pool_p = scanner_push_literal_pool (context_p,
scanner_context_p,
SCANNER_LITERAL_POOL_FUNCTION_WITHOUT_ARGUMENTS);
uint16_t status_flags = SCANNER_LITERAL_POOL_FUNCTION_WITHOUT_ARGUMENTS;
context_p->status_flags &= (uint32_t) ~(PARSER_IS_GENERATOR_FUNCTION | PARSER_IS_ASYNC_FUNCTION);
if (scanner_context_p->async_source_p != NULL)
{
JERRY_ASSERT (scanner_context_p->async_source_p == source_p);
status_flags |= SCANNER_LITERAL_POOL_ASYNC;
context_p->status_flags |= PARSER_IS_ASYNC_FUNCTION;
}
scanner_literal_pool_t *literal_pool_p = scanner_push_literal_pool (context_p, scanner_context_p, status_flags);
literal_pool_p->source_p = source_p;
lexer_lit_location_t *location_p = scanner_add_literal (context_p, scanner_context_p);
@@ -141,8 +160,6 @@ scanner_scan_simple_arrow (parser_context_t *context_p, /**< context */
PARSER_PLUS_EQUAL_LC (context_p->column, 2);
context_p->token.flags = (uint8_t) (context_p->token.flags & ~LEXER_NO_SKIP_SPACES);
context_p->status_flags &= (uint32_t) ~PARSER_IS_GENERATOR_FUNCTION;
scanner_check_arrow_body (context_p, scanner_context_p);
} /* scanner_scan_simple_arrow */
@@ -266,7 +283,6 @@ scanner_check_async_function (parser_context_t *context_p, /**< context */
}
scanner_scan_simple_arrow (context_p, scanner_context_p, scanner_context_p->async_source_p);
scanner_context_p->active_literal_pool_p->status_flags |= SCANNER_LITERAL_POOL_ASYNC;
scanner_context_p->async_source_p = NULL;
return false;
}
@@ -475,7 +491,7 @@ scanner_scan_bracket (parser_context_t *context_p, /**< context */
if (JERRY_UNLIKELY (scanner_context_p->async_source_p != NULL))
{
status_flags |= SCANNER_LITERAL_POOL_ASYNC;
status_flags |= SCANNER_LITERAL_POOL_ASYNC_ARROW;
arrow_source_p = scanner_context_p->async_source_p;
scanner_context_p->async_source_p = NULL;
}