Add methodIndex function

While not a complete feature, as it does not handle overloads,
it is still an improvement on the current functionality. Would be
a good interim measure until full functionality arrives.

Change-Id: I947adc6a6dbccf676112ac77e186134fb660efd3
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@digia.com>

src/libs/languageutils/fakemetaobject.cpp

@@ -208,6 +208,13 @@ int FakeMetaObject::methodOffset() const
 { return 0; }
 FakeMetaMethod FakeMetaObject::method(int index) const
 { return m_methods.at(index); }
+int FakeMetaObject::methodIndex(const QString &name) const //If performances becomes an issue, just use a nameToIdx hash
+{
+    for (int i=0; i<m_methods.count(); i++)
+        if (m_methods[i].methodName() == name)
+            return i;
+    return -1;
+}
 
 QString FakeMetaObject::defaultPropertyName() const
 { return m_defaultPropertyName; }

src/libs/languageutils/fakemetaobject.h

@@ -188,6 +188,7 @@ public:
     int methodCount() const;
     int methodOffset() const;
     FakeMetaMethod method(int index) const;
+    int methodIndex(const QString &name) const; // Note: Returns any method with that name in case of overloads
 
     QString defaultPropertyName() const;
     void setDefaultPropertyName(const QString &defaultPropertyName);