CppTools: CppPreprocessor: Track also unresolved includes

Change-Id: Ia36e7e7142dbc030a428369ed04e76e70e8eef0b
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

src/libs/cplusplus/CppDocument.cpp

@@ -341,7 +341,7 @@ QString Document::fileName() const
 QStringList Document::includedFiles() const
 {
     QStringList files;
-    foreach (const Include &i, _includes)
+    foreach (const Include &i, _resolvedIncludes)
         files.append(i.resolvedFileName());
     files.removeDuplicates();
     return files;
@@ -350,7 +350,10 @@ QStringList Document::includedFiles() const
 // This assumes to be called with a QDir::cleanPath cleaned fileName.
 void Document::addIncludeFile(const Document::Include &include)
 {
-    _includes.append(include);
+    if (include.resolvedFileName().isEmpty())
+        _unresolvedIncludes.append(include);
+    else
+        _resolvedIncludes.append(include);
 }
 
 void Document::appendMacro(const Macro &macro)
@@ -740,7 +743,8 @@ Document::Ptr Snapshot::preprocessedDocument(const QString &source, const QStrin
         newDoc->_revision = thisDocument->_revision;
         newDoc->_editorRevision = thisDocument->_editorRevision;
         newDoc->_lastModified = thisDocument->_lastModified;
-        newDoc->_includes = thisDocument->_includes;
+        newDoc->_resolvedIncludes = thisDocument->_resolvedIncludes;
+        newDoc->_unresolvedIncludes = thisDocument->_unresolvedIncludes;
     }
 
     FastPreprocessor pp(*this);
@@ -758,7 +762,8 @@ Document::Ptr Snapshot::documentFromSource(const QByteArray &preprocessedCode,
         newDoc->_revision = thisDocument->_revision;
         newDoc->_editorRevision = thisDocument->_editorRevision;
         newDoc->_lastModified = thisDocument->_lastModified;
-        newDoc->_includes = thisDocument->_includes;
+        newDoc->_resolvedIncludes = thisDocument->_resolvedIncludes;
+        newDoc->_unresolvedIncludes = thisDocument->_unresolvedIncludes;
         newDoc->_definedMacros = thisDocument->_definedMacros;
         newDoc->_macroUses = thisDocument->_macroUses;
     }

src/libs/cplusplus/CppDocument.h

@@ -312,8 +312,11 @@ public:
     QStringList includedFiles() const;
     void addIncludeFile(const Include &include);
 
-    QList<Include> includes() const
-    { return _includes; }
+    QList<Include> resolvedIncludes() const
+    { return _resolvedIncludes; }
+
+    QList<Include> unresolvedIncludes() const
+    { return _unresolvedIncludes; }
 
     QList<Block> skippedBlocks() const
     { return _skippedBlocks; }
@@ -348,7 +351,8 @@ private:
     /// All messages generated during lexical/syntactic/semantic analysis.
     QList<DiagnosticMessage> _diagnosticMessages;
 
-    QList<Include> _includes;
+    QList<Include> _resolvedIncludes;
+    QList<Include> _unresolvedIncludes;
     QList<Macro> _definedMacros;
     QList<Block> _skippedBlocks;
     QList<MacroUse> _macroUses;

src/libs/cplusplus/FastPreprocessor.cpp

@@ -52,7 +52,7 @@ QByteArray FastPreprocessor::run(Document::Ptr newDoc, const QString &source)
         _merged.insert(fileName);
 
         mergeEnvironment(Preprocessor::configurationFileName);
-        foreach (const Document::Include &i, doc->includes())
+        foreach (const Document::Include &i, doc->resolvedIncludes())
             mergeEnvironment(i.resolvedFileName());
     }
 
@@ -78,7 +78,7 @@ void FastPreprocessor::mergeEnvironment(const QString &fileName)
         _merged.insert(fileName);
 
         if (Document::Ptr doc = _snapshot.document(fileName)) {
-            foreach (const Document::Include &i, doc->includes())
+            foreach (const Document::Include &i, doc->resolvedIncludes())
                 mergeEnvironment(i.resolvedFileName());
 
             _env.addMacros(doc->definedMacros());

src/libs/cplusplus/LookupContext.cpp

@@ -1454,7 +1454,7 @@ void CreateBindings::process(Document::Ptr doc)
         if (! _processed.contains(globalNamespace)) {
             _processed.insert(globalNamespace);
 
-            foreach (const Document::Include &i, doc->includes()) {
+            foreach (const Document::Include &i, doc->resolvedIncludes()) {
                 if (Document::Ptr incl = _snapshot.document(i.resolvedFileName()))
                     process(incl);
             }

src/libs/cplusplus/SnapshotSymbolVisitor.cpp

@@ -49,7 +49,7 @@ void SnapshotSymbolVisitor::accept(Document::Ptr doc, QSet<QString> *processed)
     if (doc && doc->globalNamespace() && ! processed->contains(doc->fileName())) {
         processed->insert(doc->fileName());
 
-        foreach (const Document::Include &i, doc->includes()) {
+        foreach (const Document::Include &i, doc->resolvedIncludes()) {
             if (Document::Ptr incl = _snapshot.document(i.resolvedFileName()))
                 accept(incl, processed);
         }

src/libs/cplusplus/TypeOfExpression.cpp

@@ -177,7 +177,7 @@ void TypeOfExpression::processEnvironment(Document::Ptr doc, Environment *env,
     if (doc && ! processed->contains(doc->fileName())) {
         processed->insert(doc->fileName());
 
-        foreach (const Document::Include &incl, doc->includes())
+        foreach (const Document::Include &incl, doc->resolvedIncludes())
             processEnvironment(m_snapshot.document(incl.resolvedFileName()), env, processed);
 
         foreach (const Macro &macro, doc->definedMacros())