Initial checkin of lldb code from internal Apple repo.
git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@105619 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Commands/CommandObjectSyntax.cpp b/source/Commands/CommandObjectSyntax.cpp
new file mode 100644
index 0000000..b1fc42f
--- /dev/null
+++ b/source/Commands/CommandObjectSyntax.cpp
@@ -0,0 +1,148 @@
+//===-- CommandObjectSyntax.cpp ---------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CommandObjectSyntax.h"
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Core/Args.h"
+#include "lldb/Core/Options.h"
+
+#include "lldb/Interpreter/CommandInterpreter.h"
+#include "lldb/Interpreter/CommandReturnObject.h"
+#include "lldb/Interpreter/CommandObjectMultiword.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+//-------------------------------------------------------------------------
+// CommandObjectSyntax
+//-------------------------------------------------------------------------
+
+CommandObjectSyntax::CommandObjectSyntax () :
+ CommandObject ("syntax",
+ "Shows the correct syntax for a given debugger command.",
+ "syntax <command>")
+{
+}
+
+CommandObjectSyntax::~CommandObjectSyntax()
+{
+}
+
+
+bool
+CommandObjectSyntax::OldExecute
+(
+ Args& command,
+ CommandContext *context,
+ CommandInterpreter *interpreter,
+ CommandReturnObject &result
+)
+{
+ CommandObject *cmd_obj;
+
+ if (command.GetArgumentCount() != 0)
+ {
+ cmd_obj = interpreter->GetCommandObject(command.GetArgumentAtIndex(0));
+ if (cmd_obj)
+ {
+ Stream &output_strm = result.GetOutputStream();
+ if (cmd_obj->GetOptions() != NULL)
+ {
+ output_strm.Printf ("\nSyntax: %s\n", cmd_obj->GetSyntax());
+ //cmd_obj->GetOptions()->GenerateOptionUsage (output_strm, cmd_obj);
+ output_strm.Printf ("(Try 'help %s' for more information on command options syntax.)\n",
+ cmd_obj->GetCommandName());
+ result.SetStatus (eReturnStatusSuccessFinishNoResult);
+ }
+ else
+ {
+ output_strm.Printf ("\nSyntax: %s\n", cmd_obj->GetSyntax());
+ result.SetStatus (eReturnStatusSuccessFinishNoResult);
+ }
+ }
+ else
+ {
+ result.AppendErrorWithFormat ("'%s' is not a known command.\n", command.GetArgumentAtIndex(0));
+ result.AppendError ("Try 'help' to see a current list of commands.");
+ result.SetStatus (eReturnStatusFailed);
+ }
+ }
+ else
+ {
+ result.AppendError ("Must call 'syntax' with a valid command.");
+ result.SetStatus (eReturnStatusFailed);
+ }
+ return result.Succeeded();
+}
+
+bool
+CommandObjectSyntax::Execute (Args &command, CommandContext *context, CommandInterpreter *interpreter,
+ CommandReturnObject &result)
+{
+ CommandObject::CommandMap::iterator pos;
+ CommandObject *cmd_obj;
+ const int argc = command.GetArgumentCount();
+
+ if (argc > 0)
+ {
+ cmd_obj = interpreter->GetCommandObject (command.GetArgumentAtIndex(0));
+ bool all_okay = true;
+ for (int i = 1; i < argc; ++i)
+ {
+ std::string sub_command = command.GetArgumentAtIndex (i);
+ if (! cmd_obj->IsMultiwordObject())
+ all_okay = false;
+ else
+ {
+ pos = ((CommandObjectMultiword *) cmd_obj)->m_subcommand_dict.find (sub_command);
+ if (pos != ((CommandObjectMultiword *) cmd_obj)->m_subcommand_dict.end())
+ cmd_obj = pos->second.get();
+ else
+ all_okay = false;
+ }
+ }
+
+ if (all_okay && (cmd_obj != NULL))
+ {
+ Stream &output_strm = result.GetOutputStream();
+ if (cmd_obj->GetOptions() != NULL)
+ {
+ output_strm.Printf ("\nSyntax: %s\n", cmd_obj->GetSyntax());
+ //cmd_obj->GetOptions()->GenerateOptionUsage (output_strm, cmd_obj);
+ output_strm.Printf ("(Try 'help %s' for more information on command options syntax.)\n",
+ cmd_obj->GetCommandName());
+ result.SetStatus (eReturnStatusSuccessFinishNoResult);
+ }
+ else
+ {
+ output_strm.Printf ("\nSyntax: %s\n", cmd_obj->GetSyntax());
+ result.SetStatus (eReturnStatusSuccessFinishNoResult);
+ }
+ }
+ else
+ {
+ std::string cmd_string;
+ command.GetCommandString (cmd_string);
+ result.AppendErrorWithFormat ("'%s' is not a known command.\n", cmd_string.c_str());
+ result.AppendError ("Try 'help' to see a current list of commands.");
+ result.SetStatus (eReturnStatusFailed);
+ }
+ }
+ else
+ {
+ result.AppendError ("Must call 'syntax' with a valid command.");
+ result.SetStatus (eReturnStatusFailed);
+ }
+
+ return result.Succeeded();
+}