From 3f4a0d5370ae6c34afe180df96add3b8522f4af1 Mon Sep 17 00:00:00 2001
From: mattkae <mattkae@protonmail.com>
Date: Wed, 11 May 2022 09:23:58 -0400
Subject: initial commit

---
 elpa/irony-20220110.849/server/src/TUManager.h | 109 +++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 elpa/irony-20220110.849/server/src/TUManager.h

(limited to 'elpa/irony-20220110.849/server/src/TUManager.h')

diff --git a/elpa/irony-20220110.849/server/src/TUManager.h b/elpa/irony-20220110.849/server/src/TUManager.h
new file mode 100644
index 0000000..bd7730d
--- /dev/null
+++ b/elpa/irony-20220110.849/server/src/TUManager.h
@@ -0,0 +1,109 @@
+/**-*-C++-*-
+ * \file
+ * \author Guillaume Papin <guillaume.papin@epitech.eu>
+ *
+ * \brief Translation Unit manager.
+ *
+ * Keeps a cache of translation units, reparsing or recreating them as
+ * necessary.
+ *
+ * This file is distributed under the GNU General Public License. See
+ * COPYING for details.
+ */
+
+#ifndef IRONY_MODE_SERVER_TUMANAGER_H_
+#define IRONY_MODE_SERVER_TUMANAGER_H_
+
+#include "support/CIndex.h"
+#include "support/NonCopyable.h"
+
+#include <map>
+#include <string>
+#include <vector>
+
+class TUManager : public util::NonCopyable {
+public:
+  TUManager();
+  ~TUManager();
+
+  /**
+   * \brief Parse \p filename with flag \p flags.
+   *
+   * The first time call \c clang_parseTranslationUnit() and save the TU in the
+   * member \c translationUnits_, The next call with the same \p filename will
+   * call \c clang_reparseTranslationUnit().
+   *
+   * usage:
+   * \code
+   * std::vector<std::string> flags;
+   * flags.push_back("-I../utils");
+   * CXTranslationUnit tu = tuManager.parse("file.cpp", flags);
+   *
+   * if (! tu)
+   *   std::cerr << "parsing translation unit failed\n";
+   * \endcode
+   *
+   * \return The translation unit, if the parsing failed the translation unit
+   *         will be \c NULL.
+   */
+  CXTranslationUnit parse(const std::string &filename,
+                          const std::vector<std::string> &flags,
+                          const std::vector<CXUnsavedFile> &unsavedFiles);
+
+  /**
+   * \brief Retrieve, creating it if necessary the TU associated to filename.
+   *
+   * \return The translation unit. Will be NULL if the translation unit couldn't
+   *         be created.
+   */
+  CXTranslationUnit getOrCreateTU(const std::string &filename,
+                          const std::vector<std::string> &flags,
+                          const std::vector<CXUnsavedFile> &unsavedFiles);
+
+  /**
+   * \brief Invalidate a given cached TU, the next use of a TU will require
+   *        reparsing.
+   *
+   * This can be useful for example: when the flags used to compile a file have
+   * changed.
+   *
+   * \param filename    The filename for which the associated
+   *                    translation unit flags need to be invalidated.
+   *
+   * \sa invalidateAllCachedTUs()
+   */
+  void invalidateCachedTU(const std::string &filename);
+
+  /**
+   * \brief Invalidate all cached TU, the next use of a TU will require
+   *        reparsing.
+   *
+   * \sa invalidateCachedTU()
+   */
+  void invalidateAllCachedTUs();
+
+private:
+  /**
+   * \brief Get a reference to the translation unit that matches \p filename
+   *        with the given set of flags.
+   *
+   * The TU will be null if it has never been parsed or if the flags have
+   * changed.
+   *
+   * \todo Find a proper name.
+   */
+  CXTranslationUnit &tuRef(const std::string &filename,
+                           const std::vector<std::string> &flags);
+
+private:
+  typedef std::map<const std::string, CXTranslationUnit> TranslationUnitsMap;
+  typedef std::map<const std::string, std::vector<std::string>> FilenameFlagsMap;
+
+private:
+  CXIndex index_;
+  TranslationUnitsMap translationUnits_; // cache variable
+  FilenameFlagsMap flagsPerFileCache_;
+  unsigned parseTUOptions_;
+};
+
+#endif /* !IRONY_MODE_SERVER_TUMANAGER_H_ */
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