Inital support for Q_D/Q_Q declarations.

src/libs/cplusplus/pp-engine.cpp

@@ -1462,6 +1462,10 @@ bool Preprocessor::isQtReservedWord(const QByteArray &macroId) const
         return true;
     else if (size == 6 && macroId.at(0) == 'Q' && macroId == "Q_SLOT")
         return true;
+    else if (size == 3 && macroId.at(0) == 'Q' && macroId == "Q_D")
+        return true;
+    else if (size == 3 && macroId.at(0) == 'Q' && macroId == "Q_Q")
+        return true;
     else if (size == 6 && macroId.at(0) == 'S' && macroId == "SIGNAL")
         return true;
     else if (size == 4 && macroId.at(0) == 'S' && macroId == "SLOT")

src/plugins/cppeditor/cppeditor.cpp

@@ -186,19 +186,20 @@ private:
     }
 };
 
-class FindUses: protected ASTVisitor
+class FindLocalUses: protected ASTVisitor
 {
     Scope *_functionScope;
-
     FindScope findScope;
 
 public:
-    FindUses(TranslationUnit *translationUnit)
-        : ASTVisitor(translationUnit)
+    FindLocalUses(TranslationUnit *translationUnit)
+        : ASTVisitor(translationUnit), hasD(false), hasQ(false)
     { }
 
     // local and external uses.
     SemanticInfo::LocalUseMap localUses;
+    bool hasD;
+    bool hasQ;
 
     void operator()(FunctionDefinitionAST *ast)
     {
@@ -357,6 +358,16 @@ protected:
         return false;
     }
 
+    virtual bool visit(QtMemberDeclarationAST *ast)
+    {
+        if (tokenKind(ast->q_token) == T_Q_D)
+            hasD = true;
+        else
+            hasQ = true;
+
+        return true;
+    }
+
     virtual bool visit(ExpressionOrDeclarationStatementAST *ast)
     {
         accept(ast->declaration);
@@ -929,6 +940,7 @@ void CPPEditor::updateMethodBoxIndex()
 }
 
 void CPPEditor::highlightUses(const QList<SemanticInfo::Use> &uses,
+                              const SemanticInfo &semanticInfo,
                               QList<QTextEdit::ExtraSelection> *selections)
 {
     bool isUnused = false;
@@ -951,6 +963,14 @@ void CPPEditor::highlightUses(const QList<SemanticInfo::Use> &uses,
         sel.cursor.setPosition(anchor);
         sel.cursor.setPosition(position, QTextCursor::KeepAnchor);
 
+        if (isUnused) {
+            if (semanticInfo.hasQ && sel.cursor.selectedText() == QLatin1String("q"))
+                continue; // skip q
+
+            else if (semanticInfo.hasD && sel.cursor.selectedText() == QLatin1String("d"))
+                continue; // skip d
+        }
+
         selections->append(sel);
     }
 }
@@ -1953,14 +1973,12 @@ void CPPEditor::updateSemanticInfo(const SemanticInfo &semanticInfo)
             }
         }
 
-        if (uses.size() == 1) {
+        if (uses.size() == 1)
             // it's an unused declaration
-            highlightUses(uses, &unusedSelections);
-        } else if (good) {
-            QList<QTextEdit::ExtraSelection> selections;
-            highlightUses(uses, &selections);
-            m_renameSelections += selections;
-        }
+            highlightUses(uses, semanticInfo, &unusedSelections);
+
+        else if (good && m_renameSelections.isEmpty())
+            highlightUses(uses, semanticInfo, &m_renameSelections);
     }
 
     setExtraSelections(UnusedSymbolSelection, unusedSelections);
@@ -2078,7 +2096,7 @@ SemanticInfo SemanticHighlighter::semanticInfo(const Source &source)
     FunctionDefinitionUnderCursor functionDefinitionUnderCursor(translationUnit);
     FunctionDefinitionAST *currentFunctionDefinition = functionDefinitionUnderCursor(ast, source.line, source.column);
 
-    FindUses useTable(translationUnit);
+    FindLocalUses useTable(translationUnit);
     useTable(currentFunctionDefinition);
 
     SemanticInfo semanticInfo;
@@ -2086,6 +2104,8 @@ SemanticInfo SemanticHighlighter::semanticInfo(const Source &source)
     semanticInfo.snapshot = snapshot;
     semanticInfo.doc = doc;
     semanticInfo.localUses = useTable.localUses;
+    semanticInfo.hasQ = useTable.hasQ;
+    semanticInfo.hasD = useTable.hasD;
 
     return semanticInfo;
 }

src/plugins/cppeditor/cppeditor.h

@@ -79,10 +79,12 @@ public:
     typedef QHashIterator<CPlusPlus::Symbol *, QList<Use> > LocalUseIterator;
 
     SemanticInfo()
-        : revision(-1)
+        : revision(-1), hasQ(false), hasD(false)
     { }
 
     int revision;
+    bool hasQ: 1;
+    bool hasD: 1;
     CPlusPlus::Snapshot snapshot;
     CPlusPlus::Document::Ptr doc;
     LocalUseMap localUses;
@@ -253,6 +255,7 @@ private:
     SemanticHighlighter::Source currentSource(bool force = false);
 
     void highlightUses(const QList<SemanticInfo::Use> &uses,
+                       const SemanticInfo &semanticInfo,
                        QList<QTextEdit::ExtraSelection> *selections);
 
     void createToolBar(CPPEditorEditable *editable);

src/shared/cplusplus/AST.cpp

@@ -246,7 +246,21 @@ unsigned QtMethodAST::lastToken() const
     return method_token + 1;
 }
 
+unsigned QtMemberDeclarationAST::firstToken() const
+{
+    return q_token;
+}
 
+unsigned QtMemberDeclarationAST::lastToken() const
+{
+    if (rparen_token)
+        return rparen_token + 1;
+    else if (type_id)
+        return type_id->lastToken();
+    else if (lparen_token)
+        return lparen_token + 1;
+    return q_token + 1;
+}
 
 unsigned BinaryExpressionAST::firstToken() const
 {

src/shared/cplusplus/AST.h

@@ -246,6 +246,7 @@ public:
     virtual PostfixDeclaratorAST *asPostfixDeclarator() { return 0; }
     virtual PostfixExpressionAST *asPostfixExpression() { return 0; }
     virtual PtrOperatorAST *asPtrOperator() { return 0; }
+    virtual QtMemberDeclarationAST *asQtMemberDeclaration() { return 0; }
     virtual QtMethodAST *asQtMethod() { return 0; }
     virtual QualifiedNameAST *asQualifiedName() { return 0; }
     virtual ReferenceAST *asReference() { return 0; }
@@ -582,6 +583,25 @@ protected:
     virtual bool match0(AST *, ASTMatcher *);
 };
 
+class CPLUSPLUS_EXPORT QtMemberDeclarationAST: public StatementAST
+{
+public:
+    unsigned q_token;
+    unsigned lparen_token;
+    ExpressionAST *type_id;
+    unsigned rparen_token;
+
+public:
+    virtual QtMemberDeclarationAST *asQtMemberDeclaration() { return this; }
+
+    virtual unsigned firstToken() const;
+    virtual unsigned lastToken() const;
+
+protected:
+    virtual void accept0(ASTVisitor *visitor);
+    virtual bool match0(AST *, ASTMatcher *);
+};
+
 class CPLUSPLUS_EXPORT BinaryExpressionAST: public ExpressionAST
 {
 public:

src/shared/cplusplus/ASTMatch0.cpp

@@ -128,6 +128,14 @@ bool QtMethodAST::match0(AST *pattern, ASTMatcher *matcher)
     return false;
 }
 
+bool QtMemberDeclarationAST::match0(AST *pattern, ASTMatcher *matcher)
+{
+    if (QtMemberDeclarationAST *_other = pattern->asQtMemberDeclaration())
+        return matcher->match(this, _other);
+
+    return false;
+}
+
 bool BinaryExpressionAST::match0(AST *pattern, ASTMatcher *matcher)
 {
     if (BinaryExpressionAST *_other = pattern->asBinaryExpression())

src/shared/cplusplus/ASTMatcher.cpp

@@ -274,6 +274,25 @@ bool ASTMatcher::match(QtMethodAST *node, QtMethodAST *pattern)
     return true;
 }
 
+bool ASTMatcher::match(QtMemberDeclarationAST *node, QtMemberDeclarationAST *pattern)
+{
+    (void) node;
+    (void) pattern;
+
+    pattern->q_token = node->q_token;
+
+    pattern->lparen_token = node->lparen_token;
+
+    if (! pattern->type_id)
+        pattern->type_id = node->type_id;
+    else if (! AST::match(node->type_id, pattern->type_id, this))
+        return false;
+
+    pattern->rparen_token = node->rparen_token;
+
+    return true;
+}
+
 bool ASTMatcher::match(BinaryExpressionAST *node, BinaryExpressionAST *pattern)
 {
     (void) node;

src/shared/cplusplus/ASTMatcher.h

@@ -135,6 +135,7 @@ public:
     virtual bool match(UsingDirectiveAST *node, UsingDirectiveAST *pattern);
     virtual bool match(WhileStatementAST *node, WhileStatementAST *pattern);
     virtual bool match(QtMethodAST *node, QtMethodAST *pattern);
+    virtual bool match(QtMemberDeclarationAST *node, QtMemberDeclarationAST *pattern);
     virtual bool match(ObjCClassDeclarationAST *node, ObjCClassDeclarationAST *pattern);
     virtual bool match(ObjCClassForwardDeclarationAST *node, ObjCClassForwardDeclarationAST *pattern);
     virtual bool match(ObjCProtocolDeclarationAST *node, ObjCProtocolDeclarationAST *pattern);

src/shared/cplusplus/ASTVisit.cpp

@@ -131,6 +131,14 @@ void QtMethodAST::accept0(ASTVisitor *visitor)
     visitor->endVisit(this);
 }
 
+void QtMemberDeclarationAST::accept0(ASTVisitor *visitor)
+{
+    if (visitor->visit(this)) {
+        accept(type_id, visitor);
+    }
+    visitor->endVisit(this);
+}
+
 void BinaryExpressionAST::accept0(ASTVisitor *visitor)
 {
     if (visitor->visit(this)) {

src/shared/cplusplus/ASTVisitor.h

@@ -198,6 +198,7 @@ public:
     virtual bool visit(UsingDirectiveAST *) { return true; }
     virtual bool visit(WhileStatementAST *) { return true; }
     virtual bool visit(QtMethodAST *) { return true; }
+    virtual bool visit(QtMemberDeclarationAST *) { return true; }
 
     // ObjC++
     virtual bool visit(ObjCClassDeclarationAST *) { return true; }
@@ -323,6 +324,7 @@ public:
     virtual void endVisit(UsingDirectiveAST *) { }
     virtual void endVisit(WhileStatementAST *) { }
     virtual void endVisit(QtMethodAST *) { }
+    virtual void endVisit(QtMemberDeclarationAST *) { }
 
     // ObjC++
     virtual void endVisit(ObjCClassDeclarationAST *) { }

src/shared/cplusplus/ASTfwd.h

@@ -162,6 +162,7 @@ class PostfixAST;
 class PostfixDeclaratorAST;
 class PostfixExpressionAST;
 class PtrOperatorAST;
+class QtMemberDeclarationAST;
 class QtMethodAST;
 class QualifiedNameAST;
 class ReferenceAST;

src/shared/cplusplus/CheckStatement.cpp

@@ -54,6 +54,9 @@
 #include "CoreTypes.h"
 #include "Control.h"
 #include "Symbols.h"
+#include "Names.h"
+#include "Literals.h"
+#include <string>
 
 using namespace CPlusPlus;
 
@@ -307,4 +310,34 @@ bool CheckStatement::visit(WhileStatementAST *ast)
     return false;
 }
 
+bool CheckStatement::visit(QtMemberDeclarationAST *ast)
+{
+    Name *name = 0;
 
+    if (tokenKind(ast->q_token) == T_Q_D)
+        name = control()->nameId(control()->findOrInsertIdentifier("d"));
+    else
+        name = control()->nameId(control()->findOrInsertIdentifier("q"));
+
+    FullySpecifiedType declTy = semantic()->check(ast->type_id, _scope);
+
+    if (tokenKind(ast->q_token) == T_Q_D) {
+        if (NamedType *namedTy = declTy->asNamedType()) {
+            if (NameId *nameId = namedTy->name()->asNameId()) {
+                std::string privateClass;
+                privateClass += nameId->identifier()->chars();
+                privateClass += "Private";
+                
+                Name *privName = control()->nameId(control()->findOrInsertIdentifier(privateClass.c_str(), privateClass.size()));
+                declTy.setType(control()->namedType(privName));
+            }
+        }
+    }
+
+    Declaration *symbol = control()->newDeclaration(/*generated*/ 0, name);
+    symbol->setType(control()->pointerType(declTy));
+
+    _scope->enterSymbol(symbol);
+
+    return false;
+}

src/shared/cplusplus/CheckStatement.h

@@ -88,6 +88,7 @@ protected:
     virtual bool visit(TryBlockStatementAST *ast);
     virtual bool visit(CatchClauseAST *ast);
     virtual bool visit(WhileStatementAST *ast);
+    virtual bool visit(QtMemberDeclarationAST *ast);
 
 private:
     StatementAST *_statement;

src/shared/cplusplus/Keywords.cpp

@@ -65,7 +65,7 @@ static inline int classify2(const char *s, bool) {
   return T_IDENTIFIER;
 }
 
-static inline int classify3(const char *s, bool) {
+static inline int classify3(const char *s, bool q) {
   if (s[0] == 'a') {
     if (s[1] == 's') {
       if (s[2] == 'm') {
@@ -101,6 +101,16 @@ static inline int classify3(const char *s, bool) {
       }
     }
   }
+  else if (q && s[0] == 'Q') {
+    if (s[1] == '_') {
+      if (s[2] == 'D') {
+        return T_Q_D;
+      }
+      else if (s[2] == 'Q') {
+        return T_Q_Q;
+      }
+    }
+  }
   return T_IDENTIFIER;
 }
 

src/shared/cplusplus/Parser.cpp

@@ -2104,6 +2104,16 @@ bool Parser::parseStatement(StatementAST *&node)
         if (objCEnabled())
             return parseObjCSynchronizedStatement(node);
 
+    case T_Q_D:
+    case T_Q_Q: {
+        QtMemberDeclarationAST *ast = new (_pool) QtMemberDeclarationAST;
+        ast->q_token = consumeToken();
+        match(T_LPAREN, &ast->lparen_token);
+        parseTypeId(ast->type_id);
+        match(T_RPAREN, &ast->rparen_token);
+        node = ast;
+    } return true;
+
     default:
         if (LA() == T_IDENTIFIER && LA(2) == T_COLON)
             return parseLabeledStatement(node);

src/shared/cplusplus/Token.cpp

@@ -91,7 +91,7 @@ static const char *token_names[] = {
     ("@protected"), ("@protocol"), ("@public"), ("@required"), ("@selector"),
     ("@synchronized"), ("@synthesize"), ("@throw"), ("@try"),
 
-    ("SIGNAL"), ("SLOT"), ("Q_SIGNAL"), ("Q_SLOT"), ("signals"), ("slots"), ("Q_FOREACH")
+    ("SIGNAL"), ("SLOT"), ("Q_SIGNAL"), ("Q_SLOT"), ("signals"), ("slots"), ("Q_FOREACH"), ("Q_D"), ("Q_Q")
 };
 
 Token::Token() :

src/shared/cplusplus/Token.h

@@ -236,8 +236,10 @@ enum Kind {
     T_Q_SIGNALS,
     T_Q_SLOTS,
     T_Q_FOREACH,
+    T_Q_D,
+    T_Q_Q,
 
-    T_LAST_KEYWORD = T_Q_FOREACH,
+    T_LAST_KEYWORD = T_Q_Q,
 
     // aliases
     T_OR = T_PIPE_PIPE,

src/tools/cplusplus/Main.cpp

@@ -100,7 +100,7 @@ class FindASTNodes: protected ASTVisitor
 {
 public:
     FindASTNodes(Document::Ptr doc, QTextDocument *document)
-        : ASTVisitor(doc->control()), document(document)
+        : ASTVisitor(doc->translationUnit()), document(document)
     {
     }
 
@@ -159,8 +159,8 @@ class Accept0CG: protected ASTVisitor
     QTextStream *out;
 
 public:
-    Accept0CG(const QDir &cplusplusDir, Control *control)
-        : ASTVisitor(control), _cplusplusDir(cplusplusDir), out(0)
+    Accept0CG(const QDir &cplusplusDir, TranslationUnit *unit)
+        : ASTVisitor(unit), _cplusplusDir(cplusplusDir), out(0)
     { }
 
     void operator()(AST *ast)
@@ -296,8 +296,8 @@ class Match0CG: protected ASTVisitor
     QTextStream *out;
 
 public:
-    Match0CG(const QDir &cplusplusDir, Control *control)
-        : ASTVisitor(control), _cplusplusDir(cplusplusDir), out(0)
+    Match0CG(const QDir &cplusplusDir, TranslationUnit *unit)
+        : ASTVisitor(unit), _cplusplusDir(cplusplusDir), out(0)
     { }
 
     void operator()(AST *ast)
@@ -406,8 +406,8 @@ class MatcherCPPCG: protected ASTVisitor
     QTextStream *out;
 
 public:
-    MatcherCPPCG(const QDir &cplusplusDir, Control *control)
-        : ASTVisitor(control), _cplusplusDir(cplusplusDir), out(0)
+    MatcherCPPCG(const QDir &cplusplusDir, TranslationUnit *unit)
+        : ASTVisitor(unit), _cplusplusDir(cplusplusDir), out(0)
     { }
 
     void operator()(AST *ast)
@@ -560,7 +560,7 @@ class RemoveCastMethods: protected ASTVisitor
 {
 public:
     RemoveCastMethods(Document::Ptr doc, QTextDocument *document)
-        : ASTVisitor(doc->control()), document(document) {}
+        : ASTVisitor(doc->translationUnit()), document(document) {}
 
     QList<QTextCursor> operator()(AST *ast)
     {
@@ -666,13 +666,13 @@ QStringList generateAST_H(const Snapshot &snapshot, const QDir &cplusplusDir)
         out << document.toPlainText();
     }
 
-    Accept0CG cg(cplusplusDir, AST_h_document->control());
+    Accept0CG cg(cplusplusDir, AST_h_document->translationUnit());
     cg(AST_h_document->translationUnit()->ast());
 
-    Match0CG cg2(cplusplusDir, AST_h_document->control());
+    Match0CG cg2(cplusplusDir, AST_h_document->translationUnit());
     cg2(AST_h_document->translationUnit()->ast());
 
-    MatcherCPPCG cg3(cplusplusDir, AST_h_document->control());
+    MatcherCPPCG cg3(cplusplusDir, AST_h_document->translationUnit());
     cg3(AST_h_document->translationUnit()->ast());
 
     return astDerivedClasses;
@@ -682,7 +682,7 @@ class FindASTForwards: protected ASTVisitor
 {
 public:
     FindASTForwards(Document::Ptr doc, QTextDocument *document)
-        : ASTVisitor(doc->control()), document(document)
+        : ASTVisitor(doc->translationUnit()), document(document)
     {}
 
     QList<QTextCursor> operator()(AST *ast)
@@ -887,5 +887,5 @@ int main(int argc, char *argv[])
     astDerivedClasses.sort();
     generateASTFwd_h(snapshot, cplusplusDir, astDerivedClasses);
 
-    generateASTPatternBuilder_h(cplusplusDir);
+    //generateASTPatternBuilder_h(cplusplusDir);
 }