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//===-- CommandObjectFile.cpp -----------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "CommandObjectFile.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Interpreter/Args.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/Timer.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Interpreter/CommandCompletions.h"
#include "lldb/Target/Process.h"
using namespace lldb;
using namespace lldb_private;
FileOptionGroup::FileOptionGroup() :
m_arch (),
m_arch_str ()
{
}
FileOptionGroup::~FileOptionGroup ()
{
}
OptionDefinition g_file_option_table[] =
{
{ LLDB_OPT_SET_1 , false, "arch" , 'a', required_argument, NULL, 0, eArgTypeArchitecture , "Specify the architecture for the target."},
};
const uint32_t k_num_file_options = sizeof(g_file_option_table)/sizeof(OptionDefinition);
uint32_t
FileOptionGroup::GetNumDefinitions ()
{
return k_num_file_options;
}
const OptionDefinition *
FileOptionGroup::GetDefinitions ()
{
return g_file_option_table;
}
Error
FileOptionGroup::SetOptionValue (CommandInterpreter &interpreter,
uint32_t option_idx,
const char *option_arg)
{
Error error;
char short_option = (char) g_file_option_table[option_idx].short_option;
switch (short_option)
{
case 'a':
{
// Save the arch value in case we specify a platform after specifying the arch
m_arch_str.assign (option_arg);
// Check to see if we already have a platform?
m_arch_platform_sp = interpreter.GetPlatform (false);
ArchSpec option_arch (option_arg, m_arch_platform_sp.get());
if (option_arch.IsValid())
m_arch = option_arch;
else
error.SetErrorStringWithFormat ("Invalid arch string '%s'.\n", option_arg);
}
break;
default:
error.SetErrorStringWithFormat ("Unrecognized option '%c'.\n", short_option);
break;
}
return error;
}
void
FileOptionGroup::OptionParsingStarting (CommandInterpreter &interpreter)
{
m_arch.Clear();
}
Error
FileOptionGroup::OptionParsingFinished (CommandInterpreter &interpreter)
{
Error error;
if (m_arch.IsValid())
{
PlatformSP curr_platform_sp (interpreter.GetPlatform (false));
if (curr_platform_sp.get() != m_arch_platform_sp.get())
{
ArchSpec option_arch (m_arch_str.c_str(), curr_platform_sp.get());
if (option_arch.IsValid())
m_arch = option_arch;
else
error.SetErrorStringWithFormat ("invalid arch '%s' for platform '%s'", m_arch_str.c_str(), curr_platform_sp->GetName());
}
}
return error;
}
//-------------------------------------------------------------------------
// CommandObjectFile
//-------------------------------------------------------------------------
CommandObjectFile::CommandObjectFile(CommandInterpreter &interpreter) :
CommandObject (interpreter,
"file",
"Set the file to be used as the main executable by the debugger.",
NULL),
m_option_group (interpreter),
m_file_options (),
m_platform_options(true) // Do include the "--platform" option in the platform settings by passing true
{
CommandArgumentEntry arg;
CommandArgumentData file_arg;
// Define the first (and only) variant of this arg.
file_arg.arg_type = eArgTypeFilename;
file_arg.arg_repetition = eArgRepeatPlain;
// There is only one variant this argument could be; put it into the argument entry.
arg.push_back (file_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back (arg);
m_option_group.Append (&m_file_options);
m_option_group.Append (&m_platform_options);
m_option_group.Finalize();
}
CommandObjectFile::~CommandObjectFile ()
{
}
Options *
CommandObjectFile::GetOptions ()
{
return &m_option_group;
}
bool
CommandObjectFile::Execute
(
Args& command,
CommandReturnObject &result
)
{
const char *file_path = command.GetArgumentAtIndex(0);
Timer scoped_timer(__PRETTY_FUNCTION__, "(lldb) file '%s'", file_path);
const int argc = command.GetArgumentCount();
if (argc == 1)
{
FileSpec file_spec (file_path, true);
if (! file_spec.Exists() && !file_spec.ResolveExecutableLocation())
{
result.AppendErrorWithFormat ("File '%s' does not exist.\n", file_path);
result.SetStatus (eReturnStatusFailed);
return result.Succeeded();
}
TargetSP target_sp;
Debugger &debugger = m_interpreter.GetDebugger();
Error error = debugger.GetTargetList().CreateTarget (debugger, file_spec, m_file_options.m_arch, true, target_sp);
if (target_sp)
{
debugger.GetTargetList().SetSelectedTarget(target_sp.get());
result.AppendMessageWithFormat ("Current executable set to '%s' (%s).\n", file_path, target_sp->GetArchitecture().GetArchitectureName());
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
result.AppendError(error.AsCString());
result.SetStatus (eReturnStatusFailed);
}
}
else
{
result.AppendErrorWithFormat("'%s' takes exactly one executable path argument.\n", m_cmd_name.c_str());
result.SetStatus (eReturnStatusFailed);
}
return result.Succeeded();
}
int
CommandObjectFile::HandleArgumentCompletion
(
Args &input,
int &cursor_index,
int &cursor_char_position,
OptionElementVector &opt_element_vector,
int match_start_point,
int max_return_elements,
bool &word_complete,
StringList &matches
)
{
std::string completion_str (input.GetArgumentAtIndex(cursor_index));
completion_str.erase (cursor_char_position);
CommandCompletions::InvokeCommonCompletionCallbacks (m_interpreter,
CommandCompletions::eDiskFileCompletion,
completion_str.c_str(),
match_start_point,
max_return_elements,
NULL,
word_complete,
matches);
return matches.GetSize();
}
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