add verbose messages to sdktool addQt

Change-Id: Icfcfaa01b13b1e7ed363f5cbaf7d1b43494adeb3
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/tools/sdktool/addqtoperation.cpp

@@ -77,46 +77,74 @@ bool AddQtOperation::setArguments(const QStringList &args)
         const QString next = ((i + 1) < args.count()) ? args.at(i + 1) : QString();
 
         if (current == QLatin1String("--id")) {
-            if (next.isNull())
+            if (next.isNull()) {
+                std::cerr << "Error parsing after --id." << std::endl << std::endl;
                 return false;
+            }
             ++i; // skip next;
             m_id = next;
             continue;
         }
 
         if (current == QLatin1String("--name")) {
-            if (next.isNull())
+            if (next.isNull()) {
+                std::cerr << "Error parsing after --name." << std::endl << std::endl;
                 return false;
+            }
             ++i; // skip next;
             m_displayName = next;
             continue;
         }
 
         if (current == QLatin1String("--qmake")) {
-            if (next.isNull())
+            if (next.isNull()) {
+                std::cerr << "Error parsing after --qmake." << std::endl << std::endl;
                 return false;
+            }
             ++i; // skip next;
             m_qmake = next;
             continue;
         }
 
         if (current == QLatin1String("--type")) {
-            if (next.isNull())
+            if (next.isNull()) {
+                std::cerr << "Error parsing after --type." << std::endl << std::endl;
                 return false;
+            }
             ++i; // skip next;
             m_type = next;
             continue;
         }
 
-        if (next.isNull())
+        if (next.isNull()) {
+            std::cerr << "Unknown parameter: " << qPrintable(current) << std::endl << std::endl;
             return false;
+        }
         ++i; // skip next;
         KeyValuePair pair(current, next);
-        if (!pair.value.isValid())
+        if (!pair.value.isValid()) {
+            std::cerr << "Error parsing: " << qPrintable(current) << " " << qPrintable(next) << std::endl << std::endl;
             return false;
+        }
         m_extra << pair;
     }
 
+    if (m_id.isEmpty()) {
+        std::cerr << "Error no id was passed." << std::endl << std::endl;
+    }
+
+    if (m_displayName.isEmpty()) {
+        std::cerr << "Error no display name was passed." << std::endl << std::endl;
+    }
+
+    if (m_qmake.isEmpty()) {
+        std::cerr << "Error no qmake was passed." << std::endl << std::endl;
+    }
+
+    if (m_type.isEmpty()) {
+        std::cerr << "Error no type was passed." << std::endl << std::endl;
+    }
+
     return !m_id.isEmpty() && !m_displayName.isEmpty() && !m_qmake.isEmpty() && !m_type.isEmpty();
 }
 

src/tools/sdktool/main.cpp

@@ -139,6 +139,7 @@ int parseArguments(const QStringList &args, Settings *s, const QList<Operation *
         return -1;
     }
     if (!s->operation->setArguments(opArgs)) {
+        std::cerr << "Argument parsing failed." << std::endl << std::endl;
         printHelp(s->operation);
         return -1;
     }