Merge lldb r188801 to contrib/llvm/tools/lldb/

1 files changed, 119 insertions, 0 deletions

diff --git a/contrib/llvm/tools/lldb/source/Commands/CommandObjectHelp.h b/contrib/llvm/tools/lldb/source/Commands/CommandObjectHelp.h
new file mode 100644
index 0000000..6e8f9d4
--- /dev/null
+++ b/contrib/llvm/tools/lldb/source/Commands/CommandObjectHelp.h
@@ -0,0 +1,119 @@
+//===-- CommandObjectHelp.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_CommandObjectHelp_h_
+#define liblldb_CommandObjectHelp_h_
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Interpreter/CommandObject.h"
+#include "lldb/Interpreter/Options.h"
+
+namespace lldb_private {
+
+//-------------------------------------------------------------------------
+// CommandObjectHelp
+//-------------------------------------------------------------------------
+
+class CommandObjectHelp : public CommandObjectParsed
+{
+public:
+
+    CommandObjectHelp (CommandInterpreter &interpreter);
+
+    virtual
+    ~CommandObjectHelp ();
+
+    virtual int
+    HandleCompletion (Args &input,
+                      int &cursor_index,
+                      int &cursor_char_position,
+                      int match_start_point,
+                      int max_return_elements,
+                      bool &word_complete,
+                      StringList &matches);
+    
+    class CommandOptions : public Options
+    {
+    public:
+        
+        CommandOptions (CommandInterpreter &interpreter) :
+        Options (interpreter)
+        {
+        }
+        
+        virtual
+        ~CommandOptions (){}
+        
+        virtual Error
+        SetOptionValue (uint32_t option_idx, const char *option_arg)
+        {
+            Error error;
+            const int short_option = m_getopt_table[option_idx].val;
+            
+            switch (short_option)
+            {
+                case 'a':
+                    m_show_aliases = true;
+                    break;
+                case 'u':
+                    m_show_user_defined = false;
+                    break;
+                default:
+                    error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option);
+                    break;
+            }
+            
+            return error;
+        }
+        
+        void
+        OptionParsingStarting ()
+        {
+            m_show_aliases = false;
+            m_show_user_defined = true;
+        }
+        
+        const OptionDefinition*
+        GetDefinitions ()
+        {
+            return g_option_table;
+        }
+        
+        // Options table: Required for subclasses of Options.
+        
+        static OptionDefinition g_option_table[];
+        
+        // Instance variables to hold the values for command options.
+        
+        bool m_show_aliases;
+        bool m_show_user_defined;        
+    };
+    
+    virtual Options *
+    GetOptions ()
+    {
+        return &m_options;
+    }
+    
+protected:
+    virtual bool
+    DoExecute (Args& command,
+             CommandReturnObject &result);
+    
+private:
+    CommandOptions m_options;
+    
+};
+
+} // namespace lldb_private
+
+#endif  // liblldb_CommandObjectHelp_h_