take care of eof when parsing templates (fixes #1337)

mozilla · Jun 8, 2023 · 23c45e2 · 23c45e2
1 parent 5a0e5b3
commit 23c45e2
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diff --git a/src/org/mozilla/javascript/TokenStream.java b/src/org/mozilla/javascript/TokenStream.java
@@ -1611,7 +1611,12 @@ int readTemplateLiteral(boolean isTaggedLiteral) throws IOException {
                                             escapeVal = -1;
                                             break;
                                         }
+
                                         c = getTemplateLiteralChar();
+                                        if (c == EOF_CHAR) {
+                                            parser.reportError("msg.syntax");
+                                            return Token.ERROR;
+                                        }
 
                                         if (c == '}') {
                                             break;

diff --git a/testsrc/org/mozilla/javascript/tests/ParserTest.java b/testsrc/org/mozilla/javascript/tests/ParserTest.java
@@ -1389,6 +1389,15 @@ public void es6GeneratorNot() {
                 new String[] {"missing ( before function parameters."});
     }
 
+    @Test
+    public void oomOnInvalidInput() {
+        // parse();
+        expectParseErrors(
+                "`\\u{8",
+                new String[] {"syntax error"});
+
+    }
+
     private void expectParseErrors(String string, String[] errors) {
         parse(string, errors, null, false);
     }