ObjC++: also index ObjC symbols.

@classes, @protocols, @properties and -methods (and +methods) will now
show up in the locator.

Change-Id: I33f904c456c321fc80b8aba7ff52d5f1207c58be
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

src/libs/3rdparty/cplusplus/Bind.cpp

@@ -2567,6 +2567,8 @@ bool Bind::visit(ObjCMethodDeclarationAST *ast)
         this->statement(ast->function_body);
         (void) switchScope(previousScope);
         _scope->addMember(method);
+    } else if (method) {
+        _scope->addMember(method);
     }
 
     return false;

src/plugins/cpptools/cpplocatorfilter_test.cpp

@@ -168,7 +168,9 @@ void CppToolsPlugin::test_cpplocatorfilters_CppLocatorFilter_data()
 
     MyTestDataDir testDirectory(QLatin1String("testdata_basic"));
     const QString testFile = testDirectory.file(QLatin1String("file1.cpp"));
+    const QString objTestFile = testDirectory.file(QLatin1String("file1.mm"));
     const QString testFileShort = FileUtils::shortNativePath(FileName::fromString(testFile));
+    const QString objTestFileShort = FileUtils::shortNativePath(FileName::fromString(objTestFile));
 
     QTest::newRow("CppFunctionsFilter")
         << testFile
@@ -247,6 +249,27 @@ void CppToolsPlugin::test_cpplocatorfilters_CppLocatorFilter_data()
             << ResultData(_("MyNamespace::myFunction"), _("(bool, int)"))
             << ResultData(_("myFunction"), _("(bool, int)"))
             );
+
+    QTest::newRow("CppClassesFilter-ObjC")
+            << objTestFile
+            << cppClassesFilter
+            << _("M")
+            << (QList<ResultData>()
+                << ResultData(_("MyClass"), objTestFileShort)
+                << ResultData(_("MyClass"), objTestFileShort)
+                << ResultData(_("MyClass"), objTestFileShort)
+                << ResultData(_("MyProtocol"), objTestFileShort)
+                );
+
+    QTest::newRow("CppFunctionsFilter-ObjC")
+        << objTestFile
+        << cppFunctionsFilter
+        << _("M")
+        << (QList<ResultData>()
+            << ResultData(_("anotherMethod"), _("MyClass"))
+            << ResultData(_("anotherMethod:"), _("MyClass"))
+            << ResultData(_("someMethod"), _("MyClass"))
+            );
 }
 
 void CppToolsPlugin::test_cpplocatorfilters_CppCurrentDocumentFilter()

src/plugins/cpptools/searchsymbols.cpp

@@ -105,11 +105,7 @@ bool SearchSymbols::visit(Enum *symbol)
 
 bool SearchSymbols::visit(Function *symbol)
 {
-    if (!(symbolsToSearchFor & SymbolSearcher::Functions) || !symbol->name())
-        return false;
-    QString name = overview.prettyName(symbol->name());
-    QString type = overview.prettyType(symbol->type());
-    addChildItem(name, type, _scope, IndexItem::Function, symbol);
+    processFunction(symbol);
     return false;
 }
 
@@ -130,10 +126,12 @@ bool SearchSymbols::visit(Declaration *symbol)
         // if we're searching for functions, still allow signal declarations to show up.
         if (symbolsToSearchFor & SymbolSearcher::Functions) {
             Function *funTy = symbol->type()->asFunctionType();
-            if (!funTy)
-                return false;
-            if (!funTy->isSignal())
+            if (!funTy) {
+                if (!symbol->type()->asObjCMethodType())
+                    return false;
+            } else if (!funTy->isSignal()) {
                 return false;
+            }
         } else {
             return false;
         }
@@ -153,19 +151,7 @@ bool SearchSymbols::visit(Declaration *symbol)
 
 bool SearchSymbols::visit(Class *symbol)
 {
-    QString name = overview.prettyName(symbol->name());
-
-    IndexItem::Ptr newParent;
-    if (symbolsToSearchFor & SymbolSearcher::Classes)
-        newParent = addChildItem(name, QString(), _scope, IndexItem::Class, symbol);
-    if (!newParent)
-        newParent = _parent;
-    ScopedIndexItemPtr parentRaii(_parent, newParent);
-
-    QString newScope = scopedSymbolName(name, symbol);
-    ScopedScope scopeRaii(_scope, newScope);
-    for (unsigned i = 0, ei = symbol->memberCount(); i != ei; ++i)
-        accept(symbol->memberAt(i));
+    processClass(symbol);
 
     return false;
 }
@@ -225,8 +211,10 @@ bool SearchSymbols::visit(CPlusPlus::ObjCBaseProtocol *)
     return false;
 }
 
-bool SearchSymbols::visit(CPlusPlus::ObjCClass *)
+bool SearchSymbols::visit(CPlusPlus::ObjCClass *symbol)
 {
+    processClass(symbol);
+
     return false;
 }
 
@@ -235,8 +223,10 @@ bool SearchSymbols::visit(CPlusPlus::ObjCForwardClassDeclaration *)
     return false;
 }
 
-bool SearchSymbols::visit(CPlusPlus::ObjCProtocol *)
+bool SearchSymbols::visit(CPlusPlus::ObjCProtocol *symbol)
 {
+    processClass(symbol);
+
     return false;
 }
 
@@ -245,13 +235,15 @@ bool SearchSymbols::visit(CPlusPlus::ObjCForwardProtocolDeclaration *)
     return false;
 }
 
-bool SearchSymbols::visit(CPlusPlus::ObjCMethod *)
+bool SearchSymbols::visit(CPlusPlus::ObjCMethod *symbol)
 {
+    processFunction(symbol);
     return false;
 }
 
-bool SearchSymbols::visit(CPlusPlus::ObjCPropertyDeclaration *)
+bool SearchSymbols::visit(CPlusPlus::ObjCPropertyDeclaration *symbol)
 {
+    processFunction(symbol);
     return false;
 }
 
@@ -315,3 +307,31 @@ IndexItem::Ptr SearchSymbols::addChildItem(const QString &symbolName, const QStr
     _parent->addChild(newItem);
     return newItem;
 }
+
+template<class T>
+void SearchSymbols::processClass(T *clazz)
+{
+    QString name = overview.prettyName(clazz->name());
+
+    IndexItem::Ptr newParent;
+    if (symbolsToSearchFor & SymbolSearcher::Classes)
+        newParent = addChildItem(name, QString(), _scope, IndexItem::Class, clazz);
+    if (!newParent)
+        newParent = _parent;
+    ScopedIndexItemPtr parentRaii(_parent, newParent);
+
+    QString newScope = scopedSymbolName(name, clazz);
+    ScopedScope scopeRaii(_scope, newScope);
+    for (unsigned i = 0, ei = clazz->memberCount(); i != ei; ++i)
+        accept(clazz->memberAt(i));
+}
+
+template<class T>
+void SearchSymbols::processFunction(T *func)
+{
+    if (!(symbolsToSearchFor & SymbolSearcher::Functions) || !func->name())
+        return;
+    QString name = overview.prettyName(func->name());
+    QString type = overview.prettyType(func->type());
+    addChildItem(name, type, _scope, IndexItem::Function, func);
+}

src/plugins/cpptools/searchsymbols.h

@@ -85,12 +85,12 @@ protected:
     // Objective-C
     virtual bool visit(CPlusPlus::ObjCBaseClass *);
     virtual bool visit(CPlusPlus::ObjCBaseProtocol *);
-    virtual bool visit(CPlusPlus::ObjCClass *);
+    virtual bool visit(CPlusPlus::ObjCClass *symbol);
     virtual bool visit(CPlusPlus::ObjCForwardClassDeclaration *);
-    virtual bool visit(CPlusPlus::ObjCProtocol *);
+    virtual bool visit(CPlusPlus::ObjCProtocol *symbol);
     virtual bool visit(CPlusPlus::ObjCForwardProtocolDeclaration *);
-    virtual bool visit(CPlusPlus::ObjCMethod *);
-    virtual bool visit(CPlusPlus::ObjCPropertyDeclaration *);
+    virtual bool visit(CPlusPlus::ObjCMethod *symbol);
+    virtual bool visit(CPlusPlus::ObjCPropertyDeclaration *symbol);
 
     QString scopedSymbolName(const QString &symbolName, const CPlusPlus::Symbol *symbol) const;
     QString scopedSymbolName(const CPlusPlus::Symbol *symbol) const;
@@ -99,6 +99,10 @@ protected:
                                 const QString &symbolScope, IndexItem::ItemType type,
                                 CPlusPlus::Symbol *symbol);
 
+private:
+    template<class T> void processClass(T *clazz);
+    template<class T> void processFunction(T *func);
+
 private:
     QString findOrInsert(const QString &s)
     { return strings.insert(s); }

tests/cpplocators/testdata_basic/file1.mm

+// Copyright header to keep the Qt Insanity Bot happy.
+
+@protocol NSObject
+@end
+
+@interface NSObject<NSObject>
+@end
+
+@protocol MyProtocol <NSObject>
+- (void) someMethod;
+@end
+
+@interface MyClass: NSObject <MyProtocol>
+@end
+
+@implementation MyClass
+- (void) someMethod {}
+@end
+
+@implementation MyClass(MyCategory)
+- (void) anotherMethod;{}
+- (void) anotherMethod:(NSObject*)withAnObject{}
+@end