1 files changed, 111 insertions, 0 deletions
diff --git a/compilerplugins/clang/pluginhandler.hxx b/compilerplugins/clang/pluginhandler.hxx
new file mode 100644
index 0000000000..e2ca4075d3
--- /dev/null
+++ b/compilerplugins/clang/pluginhandler.hxx
@@ -0,0 +1,111 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * Based on LLVM/Clang.
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ */
+
+#pragma once
+
+#include <cstddef>
+#include <functional>
+#include <memory>
+#include <set>
+#include <unordered_map>
+
+#include <clang/AST/ASTConsumer.h>
+#include <clang/Frontend/CompilerInstance.h>
+#include <clang/Frontend/FrontendAction.h>
+#include <clang/Rewrite/Core/Rewriter.h>
+
+using namespace clang;
+
+namespace std {
+
+template<> struct hash<::clang::SourceLocation> {
+    size_t operator ()(::clang::SourceLocation loc) const
+    { return loc.getRawEncoding(); }
+};
+
+}
+
+namespace loplugin
+{
+
+class Plugin;
+struct InstantiationData;
+
+// Used internally by PluginHandler::isAllRelevantCodeDefined and its (free) helper functions:
+typedef llvm::DenseMap<const CXXRecordDecl*, bool> RecordCompleteMap;
+
+/**
+ Class that manages all LO modules.
+*/
+class PluginHandler
+    : public ASTConsumer
+{
+public:
+    PluginHandler( CompilerInstance& compiler, const std::vector< std::string >& args );
+    virtual ~PluginHandler();
+    virtual void HandleTranslationUnit( ASTContext& context ) override;
+    static void registerPlugin( Plugin* (*create)( const InstantiationData& ), const char* optionName,
+        bool isPPCallback, bool isSharedPlugin, bool byDefault );
+    DiagnosticBuilder report( DiagnosticsEngine::Level level, const char * plugin, StringRef message,
+            CompilerInstance& compiler, SourceLocation loc = SourceLocation());
+    bool ignoreLocation(SourceLocation loc);
+    bool isDebugMode() const { return debugMode; }
+    static bool isUnitTestMode();
+    // If we overlap with a previous area we modified, we cannot perform this change
+    // without corrupting the source
+    bool checkOverlap(SourceRange range);
+    void addSourceModification(SourceRange range);
+    StringRef const& getMainFileName() const { return mainFileName; }
+
+    // Is all code that could see `decl` defined in this TU?
+    bool isAllRelevantCodeDefined(NamedDecl const * decl);
+
+    void enableTreeWideAnalysisMode() { treeWideAnalysisMode = true; }
+
+private:
+    void handleOption( const std::string& option );
+    void createPlugins( std::set< std::string > rewriters );
+    DiagnosticBuilder report( DiagnosticsEngine::Level level, StringRef message, SourceLocation loc = SourceLocation());
+    bool checkIgnoreLocation(SourceLocation loc);
+    CompilerInstance& compiler;
+    StringRef const mainFileName;
+    std::unordered_map<SourceLocation, bool> ignored_;
+    Rewriter rewriter;
+    std::string scope;
+    std::string warningsOnly;
+    bool warningsAsErrors;
+    bool debugMode = false;
+    //// Used by the tree-wide analysis plugins like unusedmethods, etc.
+    bool treeWideAnalysisMode = false;
+    std::vector<std::pair<char const*, char const*>> mvModifiedRanges;
+
+    // Used internally by isAllRelevantCodeDefined:
+    RecordCompleteMap RecordsComplete_;
+    RecordCompleteMap MNCComplete_;
+};
+
+/**
+ The Clang plugin class, just forwards to PluginHandler.
+*/
+class LibreOfficeAction
+    : public PluginASTAction
+{
+public:
+    virtual std::unique_ptr<ASTConsumer> CreateASTConsumer( CompilerInstance& Compiler, StringRef InFile );
+
+    virtual bool ParseArgs( const CompilerInstance& CI, const std::vector< std::string >& args );
+private:
+    std::vector< std::string > _args;
+};
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */