From fc4168f2b4a1b686484cc858705077fc1f9da5db Mon Sep 17 00:00:00 2001
From: batizdaniel <daniel.batiz@h-lab.eu>
Date: Wed, 24 Nov 2021 17:07:57 +0100
Subject: [PATCH] Fix numeric literal with leading decimal point in accessor
 property name (#4832)

JerryScript-DCO-1.0-Signed-off-by: Daniel Batiz daniel.batiz@h-lab.eu
---
 jerry-core/parser/js/js-lexer.c      | 36 ++++++++++++++++------------
 tests/test262-esnext-excludelist.xml |  4 ----
 2 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/jerry-core/parser/js/js-lexer.c b/jerry-core/parser/js/js-lexer.c
index b38c19d3d..d734585cb 100644
--- a/jerry-core/parser/js/js-lexer.c
+++ b/jerry-core/parser/js/js-lexer.c
@@ -3186,21 +3186,6 @@ lexer_expect_object_literal_id (parser_context_t *context_p, /**< context */
         lexer_consume_next_character (context_p);
         return;
       }
-      case LIT_CHAR_DOT:
-      {
-        if ((ident_opts & ((uint32_t) ~(LEXER_OBJ_IDENT_OBJECT_PATTERN | LEXER_OBJ_IDENT_SET_FUNCTION_START)))
-            || context_p->source_p + 2 >= context_p->source_end_p || context_p->source_p[1] != LIT_CHAR_DOT
-            || context_p->source_p[2] != LIT_CHAR_DOT)
-        {
-          break;
-        }
-
-        context_p->token.type = LEXER_THREE_DOTS;
-        context_p->token.flags &= (uint8_t) ~LEXER_NO_SKIP_SPACES;
-        PARSER_PLUS_EQUAL_LC (context_p->column, 3);
-        context_p->source_p += 3;
-        return;
-      }
 #endif /* JERRY_ESNEXT */
       case LIT_CHAR_RIGHT_BRACE:
       {
@@ -3213,6 +3198,27 @@ lexer_expect_object_literal_id (parser_context_t *context_p, /**< context */
         lexer_consume_next_character (context_p);
         return;
       }
+#if JERRY_ESNEXT
+      case LIT_CHAR_DOT:
+      {
+        if (!(context_p->source_p + 1 >= context_p->source_end_p || lit_char_is_decimal_digit (context_p->source_p[1])))
+        {
+          if ((ident_opts & ((uint32_t) ~(LEXER_OBJ_IDENT_OBJECT_PATTERN | LEXER_OBJ_IDENT_SET_FUNCTION_START)))
+              || context_p->source_p + 2 >= context_p->source_end_p || context_p->source_p[1] != LIT_CHAR_DOT
+              || context_p->source_p[2] != LIT_CHAR_DOT)
+          {
+            break;
+          }
+
+          context_p->token.type = LEXER_THREE_DOTS;
+          context_p->token.flags &= (uint8_t) ~LEXER_NO_SKIP_SPACES;
+          PARSER_PLUS_EQUAL_LC (context_p->column, 3);
+          context_p->source_p += 3;
+          return;
+        }
+        /* FALLTHRU */
+      }
+#endif /* JERRY_ESNEXT */
       default:
       {
         const uint8_t *char_p = context_p->source_p;
diff --git a/tests/test262-esnext-excludelist.xml b/tests/test262-esnext-excludelist.xml
index 8cdf8def6..7e8e0daf7 100644
--- a/tests/test262-esnext-excludelist.xml
+++ b/tests/test262-esnext-excludelist.xml
@@ -100,8 +100,6 @@
   <test id="language/expressions/call/eval-spread-empty-leading.js"><reason></reason></test>
   <test id="language/expressions/call/eval-spread-empty-trailing.js"><reason></reason></test>
   <test id="language/expressions/call/eval-spread.js"><reason></reason></test>
-  <test id="language/expressions/class/accessor-name-inst/literal-numeric-leading-decimal.js"><reason></reason></test>
-  <test id="language/expressions/class/accessor-name-static/literal-numeric-leading-decimal.js"><reason></reason></test>
   <test id="language/expressions/class/class-name-ident-let-escaped.js"><reason></reason></test>
   <test id="language/expressions/class/class-name-ident-let.js"><reason></reason></test>
   <test id="language/expressions/class/class-name-ident-static-escaped.js"><reason></reason></test>
@@ -307,8 +305,6 @@
   <test id="language/module-code/parse-err-hoist-lex-fun.js"><reason></reason></test>
   <test id="language/module-code/parse-err-hoist-lex-gen.js"><reason></reason></test>
   <test id="language/statements/async-function/let-newline-await-in-async-function.js"><reason></reason></test>
-  <test id="language/statements/class/accessor-name-inst/literal-numeric-leading-decimal.js"><reason></reason></test>
-  <test id="language/statements/class/accessor-name-static/literal-numeric-leading-decimal.js"><reason></reason></test>
   <test id="language/statements/class/class-name-ident-let-escaped.js"><reason></reason></test>
   <test id="language/statements/class/class-name-ident-let.js"><reason></reason></test>
   <test id="language/statements/class/class-name-ident-static-escaped.js"><reason></reason></test>