6611103cfe
to the debugger from GUI windows. Previously there was one global debugger
instance that could be accessed that had its own command interpreter and
current state (current target/process/thread/frame). When a GUI debugger
was attached, if it opened more than one window that each had a console
window, there were issues where the last one to setup the global debugger
object won and got control of the debugger.
To avoid this we now create instances of the lldb_private::Debugger that each
has its own state:
- target list for targets the debugger instance owns
- current process/thread/frame
- its own command interpreter
- its own input, output and error file handles to avoid conflicts
- its own input reader stack
So now clients should call:
SBDebugger::Initialize(); // (static function)
SBDebugger debugger (SBDebugger::Create());
// Use which ever file handles you wish
debugger.SetErrorFileHandle (stderr, false);
debugger.SetOutputFileHandle (stdout, false);
debugger.SetInputFileHandle (stdin, true);
// main loop
SBDebugger::Terminate(); // (static function)
SBDebugger::Initialize() and SBDebugger::Terminate() are ref counted to
ensure nothing gets destroyed too early when multiple clients might be
attached.
Cleaned up the command interpreter and the CommandObject and all subclasses
to take more appropriate arguments.
llvm-svn: 106615
179 lines
3.6 KiB
C++
179 lines
3.6 KiB
C++
//===-- SBInputReader.cpp ---------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/lldb-enumerations.h"
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#include "lldb/API/SBDebugger.h"
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#include "lldb/API/SBError.h"
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#include "lldb/API/SBInputReader.h"
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#include "lldb/API/SBStringList.h"
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#include "lldb/Core/InputReader.h"
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using namespace lldb;
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using namespace lldb_private;
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SBInputReader::SBInputReader () :
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m_opaque_sp (),
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m_callback_function (NULL),
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m_callback_baton (NULL)
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{
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}
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SBInputReader::SBInputReader (const lldb::InputReaderSP &reader_sp) :
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m_opaque_sp (reader_sp)
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{
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}
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SBInputReader::SBInputReader (const SBInputReader &rhs) :
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m_opaque_sp (rhs.m_opaque_sp)
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{
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}
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SBInputReader::~SBInputReader ()
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{
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}
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size_t
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SBInputReader::PrivateCallback
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(
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void *baton,
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InputReader &reader,
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lldb::InputReaderAction notification,
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const char *bytes,
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size_t bytes_len
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)
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{
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SBInputReader *sb_reader = (SBInputReader *)baton;
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return sb_reader->m_callback_function (sb_reader->m_callback_baton,
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sb_reader,
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notification,
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bytes,
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bytes_len);
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}
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SBError
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SBInputReader::Initialize
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(
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SBDebugger &debugger,
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Callback callback_function,
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void *callback_baton,
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lldb::InputReaderGranularity granularity,
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const char *end_token,
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const char *prompt,
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bool echo
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)
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{
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SBError sb_error;
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m_opaque_sp.reset (new InputReader (debugger.ref()));
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m_callback_function = callback_function;
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m_callback_baton = callback_baton;
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if (m_opaque_sp)
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{
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sb_error.SetError (m_opaque_sp->Initialize (SBInputReader::PrivateCallback,
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this,
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granularity,
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end_token,
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prompt,
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echo));
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}
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if (sb_error.Fail())
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{
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m_opaque_sp.reset ();
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m_callback_function = NULL;
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m_callback_baton = NULL;
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}
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return sb_error;
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}
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bool
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SBInputReader::IsValid () const
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{
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return (m_opaque_sp.get() != NULL);
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}
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const SBInputReader &
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SBInputReader::operator = (const SBInputReader &rhs)
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{
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if (this != &rhs)
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m_opaque_sp = rhs.m_opaque_sp;
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return *this;
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}
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InputReader *
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SBInputReader::operator->() const
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{
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return m_opaque_sp.get();
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}
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lldb::InputReaderSP &
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SBInputReader::operator *()
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{
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return m_opaque_sp;
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}
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const lldb::InputReaderSP &
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SBInputReader::operator *() const
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{
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return m_opaque_sp;
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}
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InputReader *
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SBInputReader::get() const
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{
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return m_opaque_sp.get();
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}
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InputReader &
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SBInputReader::ref() const
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{
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assert (m_opaque_sp.get());
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return *m_opaque_sp;
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}
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bool
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SBInputReader::IsDone () const
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{
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if (m_opaque_sp)
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return m_opaque_sp->IsDone();
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else
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return true;
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}
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void
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SBInputReader::SetIsDone (bool value)
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{
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if (m_opaque_sp)
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m_opaque_sp->SetIsDone (value);
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}
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bool
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SBInputReader::IsActive () const
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{
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if (m_opaque_sp)
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return m_opaque_sp->IsActive();
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else
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return false;
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}
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InputReaderGranularity
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SBInputReader::GetGranularity ()
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{
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if (m_opaque_sp)
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return m_opaque_sp->GetGranularity();
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else
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return eInputReaderGranularityInvalid;
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}
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