C++: Expand object-like macros in fast preprocessing mode again.

Task-number: QTCREATORBUG-7512
Change-Id: I59898a0449f1f6997963e0f31c47293358a773f6
Reviewed-by: Leandro Melo <leandro.melo@nokia.com>

src/libs/cplusplus/FastPreprocessor.cpp

@@ -42,7 +42,7 @@ FastPreprocessor::FastPreprocessor(const Snapshot &snapshot)
 
 QByteArray FastPreprocessor::run(QString fileName, const QString &source)
 {
-    _preproc.setExpandMacros(false);
+    _preproc.setExpandFunctionlikeMacros(false);
     _preproc.setKeepComments(true);
 
     if (Document::Ptr doc = _snapshot.document(fileName)) {

src/libs/cplusplus/pp-engine.cpp

@@ -593,7 +593,7 @@ void Preprocessor::State::popTokenBuffer()
 Preprocessor::Preprocessor(Client *client, Environment *env)
     : m_client(client)
     , m_env(env)
-    , m_expandMacros(true)
+    , m_expandFunctionlikeMacros(true)
     , m_keepComments(false)
 {
 }
@@ -615,14 +615,14 @@ QByteArray Preprocessor::run(const QString &fileName,
     return preprocessed;
 }
 
-bool Preprocessor::expandMacros() const
+bool Preprocessor::expandFunctionlikeMacros() const
 {
-    return m_expandMacros;
+    return m_expandFunctionlikeMacros;
 }
 
-void Preprocessor::setExpandMacros(bool expandMacros)
+void Preprocessor::setExpandFunctionlikeMacros(bool expandMacros)
 {
-    m_expandMacros = expandMacros;
+    m_expandFunctionlikeMacros = expandMacros;
 }
 
 bool Preprocessor::keepComments() const
@@ -741,9 +741,6 @@ void Preprocessor::skipPreprocesorDirective(PPToken *tk)
 
 bool Preprocessor::handleIdentifier(PPToken *tk)
 {
-    if (!expandMacros())
-        return false;
-
     ScopedBoolSwap s(m_state.m_inPreprocessorDirective, true);
 
     static const QByteArray ppLine("__LINE__");
@@ -813,6 +810,9 @@ bool Preprocessor::handleIdentifier(PPToken *tk)
     PPToken oldMarkerTk;
 
     if (macro->isFunctionLike()) {
+        if (!expandFunctionlikeMacros())
+            return false;
+
         // Collect individual tokens that form the macro arguments.
         QVector<QVector<PPToken> > allArgTks;
         bool hasArgs = collectActualArguments(tk, &allArgTks);

src/libs/cplusplus/pp-engine.h

@@ -81,8 +81,8 @@ public:
     QByteArray run(const QString &filename, const QString &source);
     QByteArray run(const QString &filename, const QByteArray &source, bool noLines = false, bool markGeneratedTokens = true);
 
-    bool expandMacros() const;
-    void setExpandMacros(bool expandMacros);
+    bool expandFunctionlikeMacros() const;
+    void setExpandFunctionlikeMacros(bool expandFunctionlikeMacros);
 
     bool keepComments() const;
     void setKeepComments(bool keepComments);
@@ -197,7 +197,7 @@ private:
     Environment *m_env;
     QByteArray m_scratchBuffer;
 
-    bool m_expandMacros;
+    bool m_expandFunctionlikeMacros;
     bool m_keepComments;
 
     State m_state;