Clang: Extend clang query

It's a first step to introduce clang query.

Change-Id: I4d001a8883f56066765ce6bc561fa3f49611c0a4
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

1 files changed, 83 insertions, 0 deletions

diff --git a/src/tools/clangrefactoringbackend/source/locationsourcefilecallbacks.cpp b/src/tools/clangrefactoringbackend/source/locationsourcefilecallbacks.cpp
new file mode 100644
index 0000000000..c5f2d4edde
--- /dev/null
+++ b/src/tools/clangrefactoringbackend/source/locationsourcefilecallbacks.cpp
@@ -0,0 +1,83 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "locationsourcefilecallbacks.h"
+
+#include "macropreprocessorcallbacks.h"
+
+#if defined(__GNUC__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+#include <clang/Frontend/CompilerInstance.h>
+#include <clang/Lex/Preprocessor.h>
+
+#if defined(__GNUC__)
+#pragma GCC diagnostic pop
+#endif
+
+#include <memory>
+
+namespace ClangBackEnd {
+
+LocationSourceFileCallbacks::LocationSourceFileCallbacks(uint line, uint column)
+    : line(line),
+      column(column)
+{
+}
+
+bool LocationSourceFileCallbacks::handleBeginSource(clang::CompilerInstance &compilerInstance, llvm::StringRef /*fileName*/)
+{
+    auto &preprocessor = compilerInstance.getPreprocessor();
+
+    macroPreprocessorCallbacks = new MacroPreprocessorCallbacks(sourceLocationsContainer,
+                                                                symbolName,
+                                                                preprocessor,
+                                                                line,
+                                                                column);
+
+    preprocessor.addPPCallbacks(std::unique_ptr<clang::PPCallbacks>(macroPreprocessorCallbacks));
+
+    return true;
+}
+
+SourceLocationsContainer LocationSourceFileCallbacks::takeSourceLocations()
+{
+    return std::move(sourceLocationsContainer);
+}
+
+Utils::SmallString LocationSourceFileCallbacks::takeSymbolName()
+{
+    return std::move(symbolName);
+}
+
+bool LocationSourceFileCallbacks::hasSourceLocations() const
+{
+    return sourceLocationsContainer.hasContent();
+}
+
+
+} // namespace ClangBackEnd