CPlusPlus: Make (sub-)languague selection more generic

Change-Id: I4e2df6992b446adec662ab07671acd41715e41fd
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

src/libs/cplusplus/BackwardsScanner.cpp

@@ -45,9 +45,14 @@ BackwardsScanner::BackwardsScanner(const QTextCursor &cursor,
     , _block(cursor.block())
     , _maxBlockCount(maxBlockCount)
 {
-    _tokenize.setQtMocRunEnabled(true);
+    // FIXME: Why these defaults?
+    LanguageFeatures features;
+    features.qtMocRunEnabled = true;
+    features.qtEnabled = true;
+    features.qtKeywordsEnabled = true;
+    features.objCEnabled = true;
+    _tokenize.setLanguageFeatures(features);
     _tokenize.setSkipComments(skipComments);
-    _tokenize.setObjCEnabled(true);
     _text = _block.text().left(cursor.position() - cursor.block().position());
 
     if (! suffix.isEmpty())

src/libs/cplusplus/CppDocument.cpp

@@ -284,10 +284,14 @@ Document::Document(const QString &fileName)
     const QByteArray localFileName = fileName.toUtf8();
     const StringLiteral *fileId = _control->stringLiteral(localFileName.constData(),
                                                                       localFileName.size());
+    LanguageFeatures features;
+    features.qtEnabled = true;
+    features.qtMocRunEnabled = true;
+    features.qtKeywordsEnabled = true;
+    features.cxx11Enabled = true;
+    features.objCEnabled = true;
     _translationUnit = new TranslationUnit(_control, fileId);
-    _translationUnit->setQtMocRunEnabled(true);
-    _translationUnit->setCxxOxEnabled(true);
-    _translationUnit->setObjCEnabled(true);
+    _translationUnit->setLanguageFeatures(features);
     (void) _control->switchTranslationUnit(_translationUnit);
 }
 

src/libs/cplusplus/SimpleLexer.cpp

@@ -40,46 +40,12 @@ using namespace CPlusPlus;
 SimpleLexer::SimpleLexer()
     : _lastState(0),
       _skipComments(false),
-      _qtMocRunEnabled(true),
-      _objCEnabled(false),
-      _endedJoined(false),
-      _cxx0xEnabled(false)
-{
-}
+      _endedJoined(false)
+{}
 
 SimpleLexer::~SimpleLexer()
 { }
 
-bool SimpleLexer::qtMocRunEnabled() const
-{
-    return _qtMocRunEnabled;
-}
-
-void SimpleLexer::setQtMocRunEnabled(bool enabled)
-{
-    _qtMocRunEnabled = enabled;
-}
-
-bool SimpleLexer::objCEnabled() const
-{
-    return _objCEnabled;
-}
-
-void SimpleLexer::setObjCEnabled(bool onoff)
-{
-    _objCEnabled = onoff;
-}
-
-bool SimpleLexer::cxx0xEnabled() const
-{
-    return _cxx0xEnabled;
-}
-
-void SimpleLexer::setCxx0xEnabled(bool enabled)
-{
-    _cxx0xEnabled = enabled;
-}
-
 bool SimpleLexer::skipComments() const
 {
     return _skipComments;
@@ -104,11 +70,8 @@ QList<Token> SimpleLexer::operator()(const QString &text, int state)
     const char *lastChar = firstChar + bytes.size();
 
     Lexer lex(firstChar, lastChar);
-    lex.setQtMocRunEnabled(_qtMocRunEnabled);
-    lex.setObjCEnabled(_objCEnabled);
+    lex.setLanguageFeatures(_languageFeatures);
     lex.setStartWithNewline(true);
-    lex.setObjCEnabled(_objCEnabled);
-    lex.setCxxOxEnabled(_cxx0xEnabled);
 
     if (! _skipComments)
         lex.setScanCommentTokens(true);
@@ -137,7 +100,7 @@ QList<Token> SimpleLexer::operator()(const QString &text, int state)
         else if (inPreproc && tokens.size() == 1 && tk.is(T_IDENTIFIER) &&
                  spell == QLatin1String("include_next"))
             lex.setScanAngleStringLiteralTokens(true);
-        else if (_objCEnabled
+        else if (_languageFeatures.objCEnabled
                  && inPreproc && tokens.size() == 1 && tk.is(T_IDENTIFIER) &&
                  spell == QLatin1String("import"))
             lex.setScanAngleStringLiteralTokens(true);
@@ -165,8 +128,13 @@ Token SimpleLexer::tokenAt(const QString &text,
                            int state,
                            bool qtMocRunEnabled)
 {
+    // FIXME: Check default values.
+    LanguageFeatures features;
+    features.qtMocRunEnabled = qtMocRunEnabled;
+    features.qtEnabled = qtMocRunEnabled;
+    features.qtKeywordsEnabled = qtMocRunEnabled;
     SimpleLexer tokenize;
-    tokenize.setQtMocRunEnabled(qtMocRunEnabled);
+    tokenize.setLanguageFeatures(features);
     const QList<Token> tokens = tokenize(text, state);
     const int tokenIdx = tokenAt(tokens, offset);
     return (tokenIdx == -1) ? Token() : tokens.at(tokenIdx);

src/libs/cplusplus/SimpleLexer.h

@@ -30,6 +30,7 @@
 #define CPLUSPLUS_SIMPLELEXER_H
 
 #include <cplusplus/CPlusPlusForwardDeclarations.h>
+#include <cplusplus/Token.h>
 
 #include <QString>
 #include <QList>
@@ -48,14 +49,8 @@ public:
     bool skipComments() const;
     void setSkipComments(bool skipComments);
 
-    bool qtMocRunEnabled() const;
-    void setQtMocRunEnabled(bool enabled);
-
-    bool objCEnabled() const;
-    void setObjCEnabled(bool onoff);
-
-    bool cxx0xEnabled() const;
-    void setCxx0xEnabled(bool enabled);
+    LanguageFeatures languageFeatures() const { return _languageFeatures; }
+    void setLanguageFeatures(LanguageFeatures features) { _languageFeatures = features; }
 
     bool endedJoined() const;
 
@@ -74,11 +69,9 @@ public:
 
 private:
     int _lastState;
+    LanguageFeatures _languageFeatures;
     bool _skipComments: 1;
-    bool _qtMocRunEnabled: 1;
-    bool _objCEnabled: 1;
     bool _endedJoined: 1;
-    bool _cxx0xEnabled: 1;
 };
 
 } // namespace CPlusPlus