Syntax error if broken Unicode escape

mozilla · Aug 24, 2023 · 495a74e · 495a74e
1 parent 97c51f5
commit 495a74e
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Showing 2 changed files with 5 additions and 12 deletions.
diff --git a/src/org/mozilla/javascript/TokenStream.java b/src/org/mozilla/javascript/TokenStream.java
@@ -980,6 +980,10 @@ final int getToken() throws IOException {
                                     c = getChar();
                                     escapeVal = Kit.xDigitToInt(c, escapeVal);
                                     if (escapeVal < 0) {
+                                        if (parser.compilerEnv.getLanguageVersion()
+                                                >= Context.VERSION_ES6) {
+                                            parser.reportError("msg.invalid.escape");
+                                        }
                                         continue strLoop;
                                     }
                                     addToString(c);

diff --git a/testsrc/test262.properties b/testsrc/test262.properties
@@ -5348,7 +5348,7 @@ language/line-terminators 4/41 (9.76%)
     S7.3_A6_T3.js
     S7.3_A6_T4.js
 
-language/literals 107/434 (24.65%)
+language/literals 96/434 (22.12%)
     bigint/numeric-separators/numeric-separator-literal-nonoctal-08-err.js non-strict
     bigint/numeric-separators/numeric-separator-literal-nonoctal-09-err.js non-strict
     bigint/legacy-octal-like-invalid-00n.js non-strict
@@ -5390,17 +5390,6 @@ language/literals 107/434 (24.65%)
     string/mongolian-vowel-separator-eval.js {unsupported: [u180e]}
     string/S7.8.4_A4.3_T1.js strict
     string/S7.8.4_A4.3_T2.js strict
-    string/S7.8.4_A7.1_T4.js
-    string/S7.8.4_A7.2_T1.js
-    string/S7.8.4_A7.2_T2.js
-    string/S7.8.4_A7.2_T3.js
-    string/S7.8.4_A7.2_T4.js
-    string/S7.8.4_A7.2_T5.js
-    string/S7.8.4_A7.2_T6.js
-    string/unicode-escape-nls-err-double.js
-    string/unicode-escape-nls-err-single.js
-    string/unicode-escape-no-hex-err-double.js
-    string/unicode-escape-no-hex-err-single.js
 
 ~language/module-code