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//===-- CommandObjectFrame.cpp ----------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "CommandObjectFrame.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Args.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/Timer.h"
#include "lldb/Interpreter/CommandContext.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Thread.h"
#include "CommandObjectThread.h"
using namespace lldb;
using namespace lldb_private;
#pragma mark CommandObjectFrameInfo
//-------------------------------------------------------------------------
// CommandObjectFrameInfo
//-------------------------------------------------------------------------
class CommandObjectFrameInfo : public CommandObject
{
public:
CommandObjectFrameInfo () :
CommandObject ("frame info",
"Lists information about the currently selected frame in the current thread.",
"frame info",
eFlagProcessMustBeLaunched | eFlagProcessMustBePaused)
{
}
~CommandObjectFrameInfo ()
{
}
bool
Execute (Args& command,
CommandContext *context,
CommandInterpreter *interpreter,
CommandReturnObject &result)
{
ExecutionContext exe_ctx(context->GetExecutionContext());
if (exe_ctx.frame)
{
exe_ctx.frame->Dump (&result.GetOutputStream(), true);
result.GetOutputStream().EOL();
result.SetStatus (eReturnStatusSuccessFinishResult);
}
else
{
result.AppendError ("no current frame");
result.SetStatus (eReturnStatusFailed);
}
return result.Succeeded();
}
};
#pragma mark CommandObjectFrameSelect
//-------------------------------------------------------------------------
// CommandObjectFrameSelect
//-------------------------------------------------------------------------
class CommandObjectFrameSelect : public CommandObject
{
public:
CommandObjectFrameSelect () :
CommandObject ("frame select",
"Select the current frame by index in the current thread.",
"frame select <frame-index>",
eFlagProcessMustBeLaunched | eFlagProcessMustBePaused)
{
}
~CommandObjectFrameSelect ()
{
}
bool
Execute (Args& command,
CommandContext *context,
CommandInterpreter *interpreter,
CommandReturnObject &result)
{
ExecutionContext exe_ctx (context->GetExecutionContext());
if (exe_ctx.thread)
{
if (command.GetArgumentCount() == 1)
{
const char *frame_idx_cstr = command.GetArgumentAtIndex(0);
const uint32_t num_frames = exe_ctx.thread->GetStackFrameCount();
const uint32_t frame_idx = Args::StringToUInt32 (frame_idx_cstr, UINT32_MAX, 0);
if (frame_idx < num_frames)
{
exe_ctx.thread->SetCurrentFrameByIndex (frame_idx);
exe_ctx.frame = exe_ctx.thread->GetCurrentFrame ().get();
if (exe_ctx.frame)
{
if (DisplayFrameForExecutionContext (exe_ctx.thread,
exe_ctx.frame,
interpreter,
result.GetOutputStream(),
true,
true,
3,
3))
{
result.SetStatus (eReturnStatusSuccessFinishResult);
return result.Succeeded();
}
}
}
if (frame_idx == UINT32_MAX)
result.AppendErrorWithFormat ("Invalid frame index: %s.\n", frame_idx_cstr);
else
result.AppendErrorWithFormat ("Frame index (%u) out of range.\n", frame_idx);
}
else
{
result.AppendError ("invalid arguments");
result.AppendErrorWithFormat ("Usage: %s\n", m_cmd_syntax.c_str());
}
}
else
{
result.AppendError ("no current thread");
}
result.SetStatus (eReturnStatusFailed);
return false;
}
};
#pragma mark CommandObjectMultiwordFrame
//-------------------------------------------------------------------------
// CommandObjectMultiwordFrame
//-------------------------------------------------------------------------
CommandObjectMultiwordFrame::CommandObjectMultiwordFrame (CommandInterpreter *interpreter) :
CommandObjectMultiword ("frame",
"A set of commands for operating on the current thread's frames.",
"frame <subcommand> [<subcommand-options>]")
{
LoadSubCommand (CommandObjectSP (new CommandObjectFrameInfo ()), "info", interpreter);
LoadSubCommand (CommandObjectSP (new CommandObjectFrameSelect ()), "select", interpreter);
}
CommandObjectMultiwordFrame::~CommandObjectMultiwordFrame ()
{
}
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