qmltc: Handle missing command line arguments in a more friendly way

qmltc now shows a helpful error message if no C++ file or no C++ header
file argument was passed instead of hitting internal assertions.

Change-Id: I859426f95001b22aff41f391cddf1327e31425b8
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
Reviewed-by: Sami Shalayel <sami.shalayel@qt.io>

1 files changed, 9 insertions, 0 deletions

diff --git a/tools/qmltc/main.cpp b/tools/qmltc/main.cpp
index fa30f311fd..1e94fffde7 100644
--- a/tools/qmltc/main.cpp
+++ b/tools/qmltc/main.cpp
@@ -194,6 +194,15 @@ int main(int argc, char **argv)
     info.resourcePath = paths.first();
     info.outputNamespace = parser.value(namespaceOption);
 
+    if (info.outputCppFile.isEmpty()) {
+        fprintf(stderr, "An output C++ file is required. Pass one using --impl");
+        return EXIT_FAILURE;
+    }
+    if (info.outputHFile.isEmpty()) {
+        fprintf(stderr, "An output C++ header file is required. Pass one using --header");
+        return EXIT_FAILURE;
+    }
+
     QQmlJSImporter importer { importPaths, &mapper };
     QQmlJSLogger logger;
     logger.setFileName(url);