mirror of https://github.com/PCSX2/pcsx2.git
379 lines
14 KiB
C++
379 lines
14 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
|
|
* Copyright (C) 2002-2010 PCSX2 Dev Team
|
|
*
|
|
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
|
|
* of the GNU Lesser General Public License as published by the Free Software Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
|
|
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with PCSX2.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "Dependencies.h"
|
|
#include "StringHelpers.h"
|
|
|
|
// --------------------------------------------------------------------------------------
|
|
// DESTRUCTOR_CATCHALL - safe destructor helper
|
|
// --------------------------------------------------------------------------------------
|
|
// In C++ destructors *really* need to be "nothrow" garaunteed, otherwise you can have
|
|
// disasterous nested exception throws during the unwinding process of an originating
|
|
// exception. Use this macro to dispose of these dangerous exceptions, and generate a
|
|
// friendly error log in their wake.
|
|
//
|
|
#define __DESTRUCTOR_CATCHALL( funcname ) \
|
|
catch( BaseException& ex ) \
|
|
{ \
|
|
Console.Error( "Unhandled BaseException in %s (ignored!):", funcname ); \
|
|
Console.Error( ex.FormatDiagnosticMessage() ); \
|
|
} \
|
|
catch( std::exception& ex ) \
|
|
{ \
|
|
Console.Error( "Unhandled std::exception in %s (ignored!):", funcname ); \
|
|
Console.Error( ex.what() ); \
|
|
}
|
|
|
|
#define DESTRUCTOR_CATCHALL __DESTRUCTOR_CATCHALL( __pxFUNCTION__ )
|
|
|
|
namespace Exception
|
|
{
|
|
int MakeNewType();
|
|
|
|
// --------------------------------------------------------------------------------------
|
|
// BaseException
|
|
// --------------------------------------------------------------------------------------
|
|
// std::exception sucks, and isn't entirely cross-platform reliable in its implementation,
|
|
// so I made a replacement. The internal messages are non-const, which means that a
|
|
// catch clause can optionally modify them and then re-throw to a top-level handler.
|
|
//
|
|
// Note, this class is "abstract" which means you shouldn't use it directly like, ever.
|
|
// Use Exception::RuntimeError instead for generic exceptions.
|
|
//
|
|
// Because exceptions are the (only!) really useful example of multiple inheritance,
|
|
// this class has only a trivial constructor, and must be manually initialized using
|
|
// InitBaseEx() or by individual member assignments. This is because C++ multiple inheritence
|
|
// is, by design, a lot of fail, especially when class initializers are mixed in.
|
|
//
|
|
// [TODO] : Add an InnerException component, and Clone() facility.
|
|
//
|
|
class BaseException
|
|
{
|
|
protected:
|
|
wxString m_message_diag; // (untranslated) a "detailed" message of what disastrous thing has occurred!
|
|
wxString m_message_user; // (translated) a "detailed" message of what disastrous thing has occurred!
|
|
wxString m_stacktrace; // contains the stack trace string dump (unimplemented)
|
|
|
|
public:
|
|
virtual ~BaseException() throw()=0; // the =0; syntax forces this class into "abstract" mode.
|
|
|
|
const wxString& DiagMsg() const { return m_message_diag; }
|
|
const wxString& UserMsg() const { return m_message_user; }
|
|
|
|
wxString& DiagMsg() { return m_message_diag; }
|
|
wxString& UserMsg() { return m_message_user; }
|
|
|
|
// Returns a message suitable for diagnostic / logging purposes.
|
|
// This message is always in English, and includes a full stack trace.
|
|
virtual wxString FormatDiagnosticMessage() const;
|
|
|
|
// Returns a message suitable for end-user display.
|
|
// This message is usually meant for display in a user popup or such.
|
|
virtual wxString FormatDisplayMessage() const { return m_message_user; }
|
|
|
|
virtual void Rethrow() const=0;
|
|
virtual BaseException* Clone() const=0;
|
|
|
|
protected:
|
|
// Construction using two pre-formatted pre-translated messages
|
|
void InitBaseEx( const wxString& msg_eng, const wxString& msg_xlt );
|
|
|
|
// Construction using one translation key.
|
|
void InitBaseEx( const char* msg_eng );
|
|
};
|
|
|
|
// --------------------------------------------------------------------------------------
|
|
// Ps2Generic Exception
|
|
// --------------------------------------------------------------------------------------
|
|
// This class is used as a base exception for things tossed by PS2 cpus (EE, IOP, etc).
|
|
//
|
|
// Implementation note: does not derive from BaseException, so that we can use different
|
|
// catch block hierarchies to handle them (if needed).
|
|
//
|
|
// Translation Note: Currently these exceptions are never translated. English/diagnostic
|
|
// format only. :)
|
|
//
|
|
class Ps2Generic
|
|
{
|
|
protected:
|
|
wxString m_message; // a "detailed" message of what disastrous thing has occurred!
|
|
|
|
public:
|
|
virtual ~Ps2Generic() throw() {}
|
|
|
|
virtual u32 GetPc() const=0;
|
|
virtual bool IsDelaySlot() const=0;
|
|
virtual wxString Message() const { return m_message; }
|
|
};
|
|
|
|
// Some helper macros for defining the standard constructors of internationalized constructors
|
|
// Parameters:
|
|
// classname - Yeah, the name of this class being defined. :)
|
|
//
|
|
// defmsg - default message (in english), which will be used for both english and i18n messages.
|
|
// The text string will be passed through the translator, so if it's int he gettext database
|
|
// it will be optionally translated.
|
|
//
|
|
// BUGZ?? I'd rather use 'classname' on the Clone() prototype, but for some reason it generates
|
|
// ambiguity errors on virtual inheritence (it really shouldn't!). So I have to force it to the
|
|
// BaseException base class. Not sure if this is Stupid Standard Tricks or Stupid MSVC Tricks. --air
|
|
//
|
|
// (update: web searches indicate it's MSVC specific -- happens in 2008, not sure about 2010).
|
|
//
|
|
#define DEFINE_EXCEPTION_COPYTORS( classname ) \
|
|
virtual ~classname() throw() {} \
|
|
virtual void Rethrow() const { throw *this; } \
|
|
virtual BaseException* Clone() const { return new classname( *this ); }
|
|
|
|
// This is here because MSVC's support for covariant return types on Clone() is broken, and will
|
|
// not work with virtual class inheritance (see DEFINE_EXCEPTION_COPYTORS for details)
|
|
#define DEFINE_EXCEPTION_COPYTORS_COVARIANT( classname ) \
|
|
virtual ~classname() throw() {} \
|
|
virtual void Rethrow() const { throw *this; } \
|
|
virtual classname* Clone() const { return new classname( *this ); }
|
|
|
|
#define DEFINE_RUNTIME_EXCEPTION( classname, defmsg ) \
|
|
DEFINE_EXCEPTION_COPYTORS( classname ) \
|
|
\
|
|
explicit classname( const char* msg=defmsg ) { BaseException::InitBaseEx( msg ); } \
|
|
explicit classname( const wxString& msg_eng, const wxString& msg_xlt ) { BaseException::InitBaseEx( msg_eng, msg_xlt); }
|
|
|
|
#define DEFINE_LOGIC_EXCEPTION( classname, defmsg ) \
|
|
DEFINE_EXCEPTION_COPYTORS( classname ) \
|
|
\
|
|
explicit classname( const char* msg=defmsg ) { BaseException::InitBaseEx( msg ); } \
|
|
explicit classname( const wxString& msg_eng ) { BaseException::InitBaseEx( msg_eng, wxEmptyString ); }
|
|
|
|
// ---------------------------------------------------------------------------------------
|
|
// RuntimeError - Generalized Exceptions with Recoverable Traits!
|
|
// ---------------------------------------------------------------------------------------
|
|
|
|
class RuntimeError : public virtual BaseException
|
|
{
|
|
public:
|
|
bool IsSilent;
|
|
public:
|
|
DEFINE_RUNTIME_EXCEPTION( RuntimeError, wxLt("An unhandled runtime error has occurred, somewhere in the depths of Pcsx2's cluttered brain-matter.") )
|
|
|
|
RuntimeError( const std::runtime_error& ex, const wxString& prefix=wxEmptyString );
|
|
RuntimeError( const std::exception& ex, const wxString& prefix=wxEmptyString );
|
|
};
|
|
|
|
// --------------------------------------------------------------------------------------
|
|
// CancelAppEvent - Exception for canceling an event in a non-verbose fashion
|
|
// --------------------------------------------------------------------------------------
|
|
// Typically the PCSX2 interface issues popup dialogs for runtime errors. This exception
|
|
// instead issues a "silent" cancelation that is handled by the app gracefully (generates
|
|
// log, and resumes messages queue processing).
|
|
//
|
|
// I chose to have this exception derive from RuntimeError, since if one is thrown from outside
|
|
// an App message loop we'll still want it to be handled in a reasonably graceful manner.
|
|
class CancelEvent : public virtual RuntimeError
|
|
{
|
|
public:
|
|
DEFINE_EXCEPTION_COPYTORS( CancelEvent )
|
|
|
|
explicit CancelEvent( const char* logmsg )
|
|
{
|
|
m_message_diag = fromUTF8( logmsg );
|
|
// overridden message formatters only use the diagnostic version...
|
|
}
|
|
|
|
explicit CancelEvent( const wxString& logmsg=L"No reason given." )
|
|
{
|
|
m_message_diag = logmsg;
|
|
// overridden message formatters only use the diagnostic version...
|
|
}
|
|
|
|
virtual wxString FormatDisplayMessage() const;
|
|
virtual wxString FormatDiagnosticMessage() const;
|
|
};
|
|
|
|
// --------------------------------------------------------------------------------------
|
|
class ObjectIsNull : public virtual CancelEvent
|
|
{
|
|
public:
|
|
wxString ObjectName;
|
|
|
|
DEFINE_EXCEPTION_COPYTORS( ObjectIsNull )
|
|
|
|
explicit ObjectIsNull( const char* objname="unspecified" )
|
|
{
|
|
m_message_diag = fromUTF8( objname );
|
|
// overridden message formatters only use the diagnostic version...
|
|
}
|
|
|
|
virtual wxString FormatDisplayMessage() const;
|
|
virtual wxString FormatDiagnosticMessage() const;
|
|
};
|
|
|
|
// ---------------------------------------------------------------------------------------
|
|
// OutOfMemory / InvalidOperation / InvalidArgument / ParseError
|
|
// ---------------------------------------------------------------------------------------
|
|
|
|
class OutOfMemory : public virtual RuntimeError
|
|
{
|
|
public:
|
|
DEFINE_RUNTIME_EXCEPTION( OutOfMemory, wxLt("Out of Memory") )
|
|
};
|
|
|
|
class ParseError : public RuntimeError
|
|
{
|
|
public:
|
|
DEFINE_RUNTIME_EXCEPTION( ParseError, "Parse error" );
|
|
};
|
|
|
|
// ---------------------------------------------------------------------------------------
|
|
// Hardware/OS Exceptions:
|
|
// HardwareDeficiency / VirtualMemoryMapConflict
|
|
// ---------------------------------------------------------------------------------------
|
|
|
|
// This exception is a specific type of OutOfMemory error that isn't "really" an out of
|
|
// memory error. More likely it's caused by a plugin or driver reserving a range of memory
|
|
// we'd really like to have access to.
|
|
class VirtualMemoryMapConflict : public virtual OutOfMemory
|
|
{
|
|
public:
|
|
DEFINE_RUNTIME_EXCEPTION( VirtualMemoryMapConflict, wxLt("Virtual memory map confict: Unable to claim specific required memory regions.") )
|
|
};
|
|
|
|
class HardwareDeficiency : public virtual RuntimeError
|
|
{
|
|
public:
|
|
DEFINE_RUNTIME_EXCEPTION( HardwareDeficiency, wxLt("Your machine's hardware is incapable of running PCSX2. Sorry dood.") );
|
|
};
|
|
|
|
// ---------------------------------------------------------------------------------------
|
|
// Streaming (file) Exceptions:
|
|
// Stream / BadStream / CannotCreateStream / FileNotFound / AccessDenied / EndOfStream
|
|
// ---------------------------------------------------------------------------------------
|
|
|
|
#define DEFINE_STREAM_EXCEPTION( classname, defmsg ) \
|
|
DEFINE_EXCEPTION_COPYTORS( classname ) \
|
|
\
|
|
explicit classname( const wxString& objname=wxString(), const char* msg=defmsg ) \
|
|
{ \
|
|
BaseException::InitBaseEx( msg ); \
|
|
StreamName = objname; \
|
|
} \
|
|
explicit classname( const wxString& objname, const wxString& msg_eng, const wxString& msg_xlt ) \
|
|
{ \
|
|
BaseException::InitBaseEx( msg_eng, msg_xlt ); \
|
|
StreamName = objname; \
|
|
} \
|
|
explicit classname( const char* objname, const char* msg=defmsg ) \
|
|
{ \
|
|
BaseException::InitBaseEx( msg ); \
|
|
StreamName = fromUTF8( objname ); \
|
|
} \
|
|
explicit classname( const char* objname, const wxString& msg_eng, const wxString& msg_xlt ) \
|
|
{ \
|
|
BaseException::InitBaseEx( msg_eng, msg_xlt ); \
|
|
StreamName = fromUTF8( objname ); \
|
|
} \
|
|
explicit classname( const char* objname, const wxString& msg_eng ) \
|
|
{ \
|
|
BaseException::InitBaseEx( msg_eng, msg_eng ); \
|
|
StreamName = fromUTF8( objname ); \
|
|
} \
|
|
explicit classname( const wxString& objname, const wxString& msg_eng ) \
|
|
{ \
|
|
BaseException::InitBaseEx( msg_eng, msg_eng ); \
|
|
StreamName = objname; \
|
|
}
|
|
|
|
// Generic stream error. Contains the name of the stream and a message.
|
|
// This exception is usually thrown via derived classes, except in the (rare) case of a
|
|
// generic / unknown error.
|
|
//
|
|
class Stream : public virtual RuntimeError
|
|
{
|
|
public:
|
|
wxString StreamName; // name of the stream (if applicable)
|
|
|
|
public:
|
|
DEFINE_STREAM_EXCEPTION( Stream, "General file operation error." )
|
|
|
|
virtual wxString FormatDiagnosticMessage() const;
|
|
virtual wxString FormatDisplayMessage() const;
|
|
};
|
|
|
|
// A generic base error class for bad streams -- corrupted data, sudden closures, loss of
|
|
// connection, or anything else that would indicate a failure to read the data after the
|
|
// stream was successfully opened.
|
|
//
|
|
class BadStream : public virtual Stream
|
|
{
|
|
public:
|
|
DEFINE_STREAM_EXCEPTION( BadStream, wxLt("File data is corrupted or incomplete, or the stream connection closed unexpectedly.") )
|
|
};
|
|
|
|
// A generic exception for odd-ball stream creation errors.
|
|
//
|
|
class CannotCreateStream : public virtual Stream
|
|
{
|
|
public:
|
|
DEFINE_STREAM_EXCEPTION( CannotCreateStream, wxLt("File could not be created or opened.") )
|
|
};
|
|
|
|
// Exception thrown when an attempt to open a non-existent file is made.
|
|
// (this exception can also mean file permissions are invalid)
|
|
//
|
|
class FileNotFound : public virtual CannotCreateStream
|
|
{
|
|
public:
|
|
DEFINE_STREAM_EXCEPTION( FileNotFound, wxLt("File not found.") )
|
|
};
|
|
|
|
class AccessDenied : public virtual CannotCreateStream
|
|
{
|
|
public:
|
|
DEFINE_STREAM_EXCEPTION( AccessDenied, wxLt("Permission denied to file.") )
|
|
};
|
|
|
|
// EndOfStream can be used either as an error, or used just as a shortcut for manual
|
|
// feof checks.
|
|
//
|
|
class EndOfStream : public virtual Stream
|
|
{
|
|
public:
|
|
DEFINE_STREAM_EXCEPTION( EndOfStream, wxLt("Unexpected end of file or stream.") );
|
|
};
|
|
|
|
#ifdef __WXMSW__
|
|
// --------------------------------------------------------------------------------------
|
|
// Exception::WinApiError
|
|
// --------------------------------------------------------------------------------------
|
|
class WinApiError : public RuntimeError
|
|
{
|
|
public:
|
|
int ErrorId;
|
|
|
|
public:
|
|
DEFINE_EXCEPTION_COPYTORS( WinApiError )
|
|
|
|
WinApiError( const char* msg="" );
|
|
|
|
wxString GetMsgFromWindows() const;
|
|
virtual wxString FormatDisplayMessage() const;
|
|
virtual wxString FormatDiagnosticMessage() const;
|
|
};
|
|
#endif
|
|
}
|
|
|
|
using Exception::BaseException;
|