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Rework flags representing arrow functions and complex arguments (#3957)

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This allows detecting cases which was not possible before.

Fixes #3944

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-06-30 14:00:35 +02:00
committed by GitHub
parent 122480aa61
commit cd949d9d64
9 changed files with 65 additions and 36 deletions
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jerry-core/parser/js/js-scanner.c
+6 -4
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@@ -2283,7 +2283,9 @@ scanner_scan_all (parser_context_t *context_p, /**< context */
context_p->source_p = source_p;
context_p->source_end_p = source_end_p;
uint16_t status_flags = SCANNER_LITERAL_POOL_FUNCTION_WITHOUT_ARGUMENTS | SCANNER_LITERAL_POOL_CAN_EVAL;
uint16_t status_flags = (SCANNER_LITERAL_POOL_FUNCTION
| SCANNER_LITERAL_POOL_NO_ARGUMENTS
| SCANNER_LITERAL_POOL_CAN_EVAL);
if (context_p->status_flags & PARSER_IS_STRICT)
{
@@ -2726,7 +2728,7 @@ scanner_scan_all (parser_context_t *context_p, /**< context */
{
if (context_p->token.type == LEXER_THREE_DOTS)
{
scanner_context.active_literal_pool_p->status_flags |= SCANNER_LITERAL_POOL_ARGUMENTS_UNMAPPED;
scanner_context.active_literal_pool_p->status_flags |= SCANNER_LITERAL_POOL_HAS_COMPLEX_ARGUMENT;
lexer_next_token (context_p);
}
@@ -2756,7 +2758,7 @@ scanner_scan_all (parser_context_t *context_p, /**< context */
if (argument_literal_p == NULL)
{
scanner_context.active_literal_pool_p->status_flags |= SCANNER_LITERAL_POOL_ARGUMENTS_UNMAPPED;
scanner_context.active_literal_pool_p->status_flags |= SCANNER_LITERAL_POOL_HAS_COMPLEX_ARGUMENT;
parser_stack_push_uint8 (context_p, SCAN_STACK_FUNCTION_PARAMETERS);
scanner_append_hole (context_p, &scanner_context);
@@ -2776,7 +2778,7 @@ scanner_scan_all (parser_context_t *context_p, /**< context */
if (context_p->token.type == LEXER_ASSIGN)
{
scanner_context.active_literal_pool_p->status_flags |= SCANNER_LITERAL_POOL_ARGUMENTS_UNMAPPED;
scanner_context.active_literal_pool_p->status_flags |= SCANNER_LITERAL_POOL_HAS_COMPLEX_ARGUMENT;
parser_stack_push_uint8 (context_p, SCAN_STACK_FUNCTION_PARAMETERS);
scanner_context.mode = SCAN_MODE_PRIMARY_EXPRESSION;