Fix possible crash in QmlJS semantic checker.

2010-02-18 10:37:42 +01:00
parent cd53a562e8
commit 499f7780e4
1 changed files with 4 additions and 1 deletions
--- a/src/libs/qmljs/qmljscheck.cpp
+++ b/src/libs/qmljs/qmljscheck.cpp
@@ -190,8 +190,11 @@ void Check::checkScopeObjectMember(const AST::UiQualifiedId *id)
        return;

    // attached properties
-    if (! propertyName.isEmpty() && propertyName[0].isUpper())
+    if (! propertyName.isEmpty() && propertyName[0].isUpper()) {
        scopeObject = _context.typeEnvironment(_doc.data());
+        if (! scopeObject)
+            return;
+    }

    const Value *value = scopeObject->lookupMember(propertyName, &_context);
    if (_extraScope && !value)