moc: fix compilation of signals returning pointers.

That was a regression introduced in 1c5db1aff

Example:
  signals: int *someSignal();
would produce this code:
   int* _t0 = int*();
which does not compile

So have special handling for pointer to change it to '= 0'

Change-Id: Ie695e15e309d15c3cfd5c5a69ac8bf6d61ae9915
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/src/tools/moc/generator.cpp b/src/tools/moc/generator.cpp
index ac602fd6e8..608d53c1f2 100644
--- a/src/tools/moc/generator.cpp
+++ b/src/tools/moc/generator.cpp
@@ -1036,8 +1036,14 @@ void Generator::generateSignal(FunctionDef *def,int index)
         fprintf(out, "%s _t%d%s", a.type.name.constData(), offset++, a.rightType.constData());
     }
     fprintf(out, ")%s\n{\n", constQualifier);
-    if (def->type.name.size() && def->normalizedType.size())
-        fprintf(out, "    %s _t0 = %s();\n", noRef(def->normalizedType).constData(), noRef(def->normalizedType).constData());
+    if (def->type.name.size() && def->normalizedType.size()) {
+        QByteArray returnType = noRef(def->normalizedType);
+        if (returnType.endsWith('*')) {
+            fprintf(out, "    %s _t0 = 0;\n", returnType.constData());
+        } else {
+            fprintf(out, "    %s _t0 = %s();\n", returnType.constData(), returnType.constData());
+        }
+    }
 
     fprintf(out, "    void *_a[] = { ");
     if (def->normalizedType.isEmpty()) {