CppTools: Rename CppPreprocessor to CppSourceProcessor

...since it does quite a bit more than only preprocessing, as the name
suggests. We use that class to process source files in general. The
output is not a preprocessed source, but a set of CPlusPlus::Documents
with symbols.

Change-Id: I787d0f22f9f042ddf0c99e8c2f0bdb9aa7001735
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

src/plugins/cpptools/cppsourceprocessor.h

@@ -0,0 +1,109 @@
+#ifndef CPPSOURCEPROCESSOR_H
+#define CPPSOURCEPROCESSOR_H
+
+#include "cppmodelmanagerinterface.h"
+
+#include <cplusplus/PreprocessorEnvironment.h>
+#include <cplusplus/pp-engine.h>
+
+#include <QHash>
+#include <QPointer>
+
+QT_BEGIN_NAMESPACE
+class QTextCodec;
+QT_END_NAMESPACE
+
+namespace CppTools {
+namespace Internal {
+
+class CppModelManager;
+
+// Documentation inside.
+class CPPTOOLS_EXPORT CppSourceProcessor: public CPlusPlus::Client
+{
+    Q_DISABLE_COPY(CppSourceProcessor)
+
+public:
+    static QString cleanPath(const QString &path);
+
+    CppSourceProcessor(QPointer<CppModelManager> modelManager, bool dumpFileNameWhileParsing = false);
+    CppSourceProcessor(QPointer<CppModelManager> modelManager, const CPlusPlus::Snapshot &snapshot,
+                       bool dumpFileNameWhileParsing = false);
+    virtual ~CppSourceProcessor();
+
+    void setRevision(unsigned revision);
+    void setWorkingCopy(const CppTools::CppModelManagerInterface::WorkingCopy &workingCopy);
+    void setIncludePaths(const QStringList &includePaths);
+    void setFrameworkPaths(const QStringList &frameworkPaths);
+    void setTodo(const QStringList &files);
+
+    void run(const QString &fileName);
+    void removeFromCache(const QString &fileName);
+    void resetEnvironment();
+
+    CPlusPlus::Snapshot snapshot() const
+    { return m_snapshot; }
+
+    const QSet<QString> &todo() const
+    { return m_todo; }
+
+    CppModelManager *modelManager() const
+    { return m_modelManager.data(); }
+
+    void setGlobalSnapshot(const CPlusPlus::Snapshot &snapshot) { m_globalSnapshot = snapshot; }
+
+protected:
+    CPlusPlus::Document::Ptr switchDocument(CPlusPlus::Document::Ptr doc);
+
+    bool getFileContents(const QString &absoluteFilePath, QByteArray *contents,
+                         unsigned *revision) const;
+    bool checkFile(const QString &absoluteFilePath) const;
+    QString resolveFile(const QString &fileName, IncludeType type);
+    QString resolveFile_helper(const QString &fileName, IncludeType type);
+
+    void mergeEnvironment(CPlusPlus::Document::Ptr doc);
+
+    virtual void macroAdded(const CPlusPlus::Macro &macro);
+    virtual void passedMacroDefinitionCheck(unsigned bytesOffset, unsigned utf16charsOffset,
+                                            unsigned line, const CPlusPlus::Macro &macro);
+    virtual void failedMacroDefinitionCheck(unsigned bytesOffset, unsigned utf16charOffset,
+                                            const CPlusPlus::ByteArrayRef &name);
+    virtual void notifyMacroReference(unsigned bytesOffset, unsigned utf16charOffset,
+                                      unsigned line, const CPlusPlus::Macro &macro);
+    virtual void startExpandingMacro(unsigned bytesOffset,
+                                     unsigned utf16charOffset,
+                                     unsigned line,
+                                     const CPlusPlus::Macro &macro,
+                                     const QVector<CPlusPlus::MacroArgumentReference> &actuals);
+    virtual void stopExpandingMacro(unsigned bytesOffset, const CPlusPlus::Macro &macro);
+    virtual void markAsIncludeGuard(const QByteArray &macroName);
+    virtual void startSkippingBlocks(unsigned utf16charsOffset);
+    virtual void stopSkippingBlocks(unsigned utf16charsOffset);
+    virtual void sourceNeeded(unsigned line, const QString &fileName, IncludeType type);
+
+private:
+    CppSourceProcessor();
+    void addFrameworkPath(const QString &frameworkPath);
+
+    CPlusPlus::Snapshot m_snapshot;
+    CPlusPlus::Snapshot m_globalSnapshot;
+    QPointer<CppModelManager> m_modelManager;
+    bool m_dumpFileNameWhileParsing;
+    CPlusPlus::Environment m_env;
+    CPlusPlus::Preprocessor m_preprocess;
+    QStringList m_includePaths;
+    CppTools::CppModelManagerInterface::WorkingCopy m_workingCopy;
+    QStringList m_frameworkPaths;
+    QSet<QString> m_included;
+    CPlusPlus::Document::Ptr m_currentDoc;
+    QSet<QString> m_todo;
+    QSet<QString> m_processed;
+    unsigned m_revision;
+    QHash<QString, QString> m_fileNameCache;
+    QTextCodec *m_defaultCodec;
+};
+
+} // namespace Internal
+} // namespace CppTools
+
+#endif // CPPSOURCEPROCESSOR_H