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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-util.c
+32 -4
View File
@@ -76,7 +76,7 @@ scanner_raise_error (parser_context_t *context_p) /**< context */
* Raise a variable redeclaration error.
*/
void
scanner_raise_redeclaration_error (parser_context_t *context_p)
scanner_raise_redeclaration_error (parser_context_t *context_p) /**< context */
{
scanner_info_t *info_p = scanner_insert_info (context_p, context_p->source_p, sizeof (scanner_info_t));
info_p->type = SCANNER_TYPE_ERR_REDECLARED;
@@ -403,13 +403,31 @@ scanner_push_literal_pool (parser_context_t *context_p, /**< context */
status_flags |= SCANNER_LITERAL_POOL_NO_ARGUMENTS;
#if ENABLED (JERRY_ES2015)
const uint16_t copied_flags = SCANNER_LITERAL_POOL_IN_WITH | SCANNER_LITERAL_POOL_GENERATOR;
const uint16_t copied_flags = (SCANNER_LITERAL_POOL_IN_WITH
| SCANNER_LITERAL_POOL_GENERATOR
| SCANNER_LITERAL_POOL_ASYNC);
#else /* !ENABLED (JERRY_ES2015) */
const uint16_t copied_flags = SCANNER_LITERAL_POOL_IN_WITH;
#endif /* ENABLED (JERRY_ES2015) */
status_flags |= (uint16_t) (prev_literal_pool_p->status_flags & copied_flags);
}
#if ENABLED (JERRY_ES2015)
else
{
context_p->status_flags &= (uint32_t) ~(PARSER_IS_GENERATOR_FUNCTION | PARSER_IS_ASYNC_FUNCTION);
if (status_flags & SCANNER_LITERAL_POOL_GENERATOR)
{
context_p->status_flags |= PARSER_IS_GENERATOR_FUNCTION;
}
if (status_flags & SCANNER_LITERAL_POOL_ASYNC)
{
context_p->status_flags |= PARSER_IS_ASYNC_FUNCTION;
}
}
#endif /* ENABLED (JERRY_ES2015) */
if (prev_literal_pool_p != NULL)
{
@@ -486,7 +504,7 @@ scanner_pop_literal_pool (parser_context_t *context_p, /**< context */
}
#if ENABLED (JERRY_DEBUGGER)
if (scanner_context_p->debugger_enabled)
if (scanner_context_p->status_flags & SCANNER_CONTEXT_DEBUGGER_ENABLED)
{
/* When debugger is enabled, identifiers are not stored in registers. However,
* this does not affect 'eval' detection, so 'arguments' object is not created. */
@@ -899,6 +917,15 @@ scanner_pop_literal_pool (parser_context_t *context_p, /**< context */
{
context_p->status_flags &= (uint32_t) ~PARSER_IS_GENERATOR_FUNCTION;
}
if (prev_literal_pool_p->status_flags & SCANNER_LITERAL_POOL_ASYNC)
{
context_p->status_flags |= PARSER_IS_ASYNC_FUNCTION;
}
else
{
context_p->status_flags &= (uint32_t) ~PARSER_IS_ASYNC_FUNCTION;
}
#endif /* ENABLED (JERRY_ES2015) */
}
@@ -1611,7 +1638,8 @@ scanner_cleanup (parser_context_t *context_p) /**< context */
JERRY_ASSERT (scanner_info_p->type == SCANNER_TYPE_END_ARGUMENTS
|| scanner_info_p->type == SCANNER_TYPE_LET_EXPRESSION
|| scanner_info_p->type == SCANNER_TYPE_CLASS_CONSTRUCTOR
|| scanner_info_p->type == SCANNER_TYPE_ERR_REDECLARED);
|| scanner_info_p->type == SCANNER_TYPE_ERR_REDECLARED
|| scanner_info_p->type == SCANNER_TYPE_ERR_ASYNC_FUNCTION);
#else /* !ENABLED (JERRY_ES2015) */
JERRY_ASSERT (scanner_info_p->type == SCANNER_TYPE_END_ARGUMENTS);
#endif /* ENABLED (JERRY_ES2015) */