1 files changed, 140 insertions, 0 deletions
diff --git a/include/lldb/Symbol/DebugMacros.h b/include/lldb/Symbol/DebugMacros.h
new file mode 100644
index 0000000000000..24bf03a8c3b1a
--- /dev/null
+++ b/include/lldb/Symbol/DebugMacros.h
@@ -0,0 +1,140 @@
+//===-- DebugMacros.h -------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_DebugMacros_h_
+#define liblldb_DebugMacros_h_
+
+// C Includes
+// C++ Includes
+#include <memory>
+#include <vector>
+
+// Other libraries and framework includes
+// Project includes
+#include "lldb/lldb-private.h"
+#include "lldb/Core/ConstString.h"
+
+namespace lldb_private {
+
+class CompileUnit;
+class DebugMacros;
+typedef std::shared_ptr<DebugMacros> DebugMacrosSP;
+
+class DebugMacroEntry
+{
+public:
+    enum EntryType
+    {
+        INVALID,
+        DEFINE,
+        UNDEF,
+        START_FILE,
+        END_FILE,
+        INDIRECT
+    };
+
+public:
+    static DebugMacroEntry
+    CreateDefineEntry(uint32_t line, const char *str);
+
+    static DebugMacroEntry
+    CreateUndefEntry(uint32_t line, const char *str);
+
+    static DebugMacroEntry
+    CreateStartFileEntry(uint32_t line, uint32_t debug_line_file_idx);
+
+    static DebugMacroEntry
+    CreateEndFileEntry();
+
+    static DebugMacroEntry
+    CreateIndirectEntry(const DebugMacrosSP &debug_macros_sp);
+
+    DebugMacroEntry() : m_type(INVALID) { }
+
+    ~DebugMacroEntry() = default;
+
+    EntryType
+    GetType() const
+    {
+        return m_type;
+    }
+
+    uint64_t
+    GetLineNumber() const
+    {
+        return m_line;
+    }
+
+    ConstString
+    GetMacroString() const
+    {
+        return m_str;
+    }
+
+    const FileSpec& GetFileSpec(CompileUnit *comp_unit) const;
+
+    DebugMacros *
+    GetIndirectDebugMacros() const
+    {
+        return m_debug_macros_sp.get();
+    }
+
+private:
+    DebugMacroEntry(EntryType type,
+                    uint32_t line,
+                    uint32_t debug_line_file_idx,
+                    const char *str);
+
+    DebugMacroEntry(EntryType type,
+                    const DebugMacrosSP &debug_macros_sp);
+
+    EntryType m_type:3;
+    uint32_t m_line:29;
+    uint32_t m_debug_line_file_idx;
+    ConstString m_str;
+    DebugMacrosSP m_debug_macros_sp;
+};
+
+class DebugMacros
+{
+public:
+    DebugMacros() = default;
+
+    ~DebugMacros() = default;
+
+    void
+    AddMacroEntry(const DebugMacroEntry &entry)
+    {
+        m_macro_entries.push_back(entry);
+    }
+
+    size_t
+    GetNumMacroEntries() const
+    {
+        return m_macro_entries.size();
+    }
+
+    DebugMacroEntry
+    GetMacroEntryAtIndex(const size_t index) const
+    {
+        if (index < m_macro_entries.size())
+            return m_macro_entries[index];
+        else
+            return DebugMacroEntry();
+    }
+
+private:
+    DISALLOW_COPY_AND_ASSIGN(DebugMacros);
+
+    std::vector<DebugMacroEntry> m_macro_entries;
+};
+
+} // namespace lldb_private
+
+#endif // liblldb_DebugMacros_h_