Make fn:invisible-xml parser interruptible

basex-core/src/main/java/org/basex/query/func/fn/FnInvisibleXml.java

@@ -167,7 +167,7 @@ public DBNode value(final QueryContext qc) throws QueryException {
       try {
         final MemBuilder builder = new MemBuilder(Parser.emptyParser(OPTIONS)).init();
         builder.openDoc(Token.EMPTY);
-        parser.parse(input, new DBResultHandler(builder));
+        parser.parse(input, new DBResultHandler(builder), qc::checkStop);
         builder.closeDoc();
         return new DBNode(builder.finish());
       } catch(final BlitzParseException ex) {

basex-core/src/test/java/org/basex/query/func/FnModuleTest.java

@@ -2548,6 +2548,11 @@ public final class FnModuleTest extends SandboxTest {
     // invalid input with fail option
     error("let $parser := " + func.args("s: ~[\"x\"]*.", " { 'fail-on-error': true() }") + "\n"
         + "return $parser('x')", IXML_INP_X_X_X);
+
+    // GH-2763: xquery:eval timeout or memory limit must be able to stop an ambiguous parse
+    final String ambiguous = func.args("s: s, s | 'a'.").trim() + "('aaaaaaaaaaaaaaaaaaaa')";
+    error(_XQUERY_EVAL.args(ambiguous, " {}", " { 'timeout': .1 }"), XQUERY_TIMEOUT);
+    error(_XQUERY_EVAL.args(ambiguous, " {}", " { 'memory': 10 }"), XQUERY_MEMORY);
   }
 
   /** Test method. */

pom.xml

@@ -153,7 +153,7 @@
       <dependency>
         <groupId>de.bottlecaps</groupId>
         <artifactId>markup-blitz</artifactId>
-        <version>1.12</version>
+        <version>1.13</version>
         <scope>runtime</scope>
         <optional>true</optional>
       </dependency>