-/*=========================================================================
-
+/*=========================================================================
Program: bbtk
- Module: $RCSfile: bbtkInterpreter.h,v $ $
+ Module: $RCSfile: bbtkInterpreter.h,v $
Language: C++
- Date: $Date: 2008/04/25 08:05:23 $
- Version: $Revision: 1.29 $
-
- Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
- l'Image). All rights reserved. See Doc/License.txt or
- http://www.creatis.insa-lyon.fr/Public/bbtk/License.html for details.
+ Date: $Date: 2008/12/15 09:04:47 $
+ Version: $Revision: 1.39 $
+=========================================================================*/
- This software is distributed WITHOUT ANY WARRANTY; without even
- the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- PURPOSE. See the above copyright notices for more information.
+/* ---------------------------------------------------------------------
+
+* Copyright (c) CREATIS-LRMN (Centre de Recherche en Imagerie Medicale)
+* Authors : Eduardo Davila, Laurent Guigues, Jean-Pierre Roux
+*
+* This software is governed by the CeCILL-B license under French law and
+* abiding by the rules of distribution of free software. You can use,
+* modify and/ or redistribute the software under the terms of the CeCILL-B
+* license as circulated by CEA, CNRS and INRIA at the following URL
+* http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
+* or in the file LICENSE.txt.
+*
+* As a counterpart to the access to the source code and rights to copy,
+* modify and redistribute granted by the license, users are provided only
+* with a limited warranty and the software's author, the holder of the
+* economic rights, and the successive licensors have only limited
+* liability.
+*
+* The fact that you are presently reading this means that you have had
+* knowledge of the CeCILL-B license and that you accept its terms.
+* ------------------------------------------------------------------------ */
-=========================================================================*/
/**
* \file
* \brief class Interpreter : The bbtk language interpreter
#include <fstream>
#include <deque>
+// Signal/slot mechanism for 'break' commands
+//#include <boost/signal.hpp>
+//#include <boost/bind.hpp>
+
namespace bbtk
{
-#ifdef _USE_WXWIDGETS_
+#ifdef USE_WXWIDGETS
class WxConsole;
#endif
{
public:
InterpreterUser() {}
- ~InterpreterUser() {}
+ virtual ~InterpreterUser() {}
virtual bool InterpreterUserHasOwnHtmlPageViewer() { return false; }
virtual void InterpreterUserViewHtmlPage(const std::string&) {}
//=======================================================================
- class BBTK_EXPORT InterpreterError : public Exception
+ class BBTK_EXPORT InterpreterException : public Exception
{
public:
- InterpreterError( const std::string& message,
+ InterpreterException( const std::string& message,
bool in_script_file,
const std::string& script_file,
int script_line
);
- InterpreterError( const Exception& excep,
+ InterpreterException( const Exception& excep,
bool in_script_file,
const std::string& script_file,
int script_line
);
- ~InterpreterError() throw() {}
+ ~InterpreterException() throw() {}
bool IsInScriptFile() const { return mInScriptFile; }
const std::string& GetScriptFile() const { return mScriptFile; }
};
//=======================================================================
+ /*
+ //=======================================================================
+ // The "Quit" exception
+ class BBTK_EXPORT QuitException : public InterpreterError
+ {
+ public:
+ QuitException( bool in_script_file,
+ const std::string& script_file,
+ int script_line
+ )
+ : InterpreterError("QUIT",in_script_file,script_file,script_line)
+ {}
+ ~QuitException() throw() {}
+ };
+ //=======================================================================
+ const std::string BREAK("BREAK");
+ //=======================================================================
+ // The "Break" exception
+ class BBTK_EXPORT BreakException : public InterpreterError
+ {
+ public:
+ BreakException( bool in_script_file,
+ std::string script_file,
+ int script_line
+ )
+ : InterpreterError(BREAK,in_script_file,script_file,script_line)
+ { std::cout << "BUILDING BREAK"<<std::endl; }
+ ~BreakException() throw() {}
+ };
+ //=======================================================================
+ */
//=======================================================================
class BBTK_EXPORT Interpreter : public Object
{
- BBTK_OBJECT_INTERFACE(Interpreter);
+ BBTK_OBJECT_INTERFACE_NO_CONDES(Interpreter);
typedef Object Superclass;
public:
static Pointer New(const std::string& cpp_file = "");
+ static Pointer New(VirtualExec::Pointer);
typedef enum
{
Interpreter_OK,
Interpreter_ERROR,
- Interpreter_QUIT
+ Interpreter_QUIT,
+ Interpreter_BREAK,
}
ExitStatus;
/// Runs the interpretation of a file
- ExitStatus InterpretFile( const std::string& filename);
+ ExitStatus InterpretFile( const std::string& filename, bool source = false);
/// Runs the interpretation of a buffer and deletes it !
ExitStatus InterpretBuffer( std::stringstream* buffer );
/// Runs the interpretation of a command
ExitStatus InterpretLine( const std::string& line );
+ /// Runs the interpretation of the currently open streams
+ ExitStatus InterpretCurrentStreams();
/// Launches a command line interpreter (with a prompt)
void CommandLineInterpreter();
/// Puts the executer in "no exec" mode,
/// which creates but does not execute pipelines.
- void SetNoExecMode(bool b) { mVirtualExecuter->SetNoExecMode(b); }
+ void SetNoExecMode(bool m) { mVirtualExecuter->SetNoExecMode(m); }
+ /// Puts the executer in "no error" mode,
+ /// Errors do not stop execution (but warnings are produced)
+ void SetNoErrorMode(bool m) { mVirtualExecuter->SetNoErrorMode(m);}
///
//typedef Executer::DialogModeType DialogModeType;
typedef VirtualExec::DialogModeType DialogModeType;
- void SetDialogMode(DialogModeType t)
- { mVirtualExecuter->SetDialogMode(t); }
+ void SetDialogMode(DialogModeType t) { mVirtualExecuter->SetDialogMode(t);}
/// Sets the bool that indicates wether we are in command line context
void SetCommandLine(bool v = true) { mCommandLine = v; }
void SetThrow(bool b) { mThrow = b; }
-#ifdef _USE_WXWIDGETS_
+#ifdef USE_WXWIDGETS
/// Sets the user of the interpreter (if any)
void SetUser(InterpreterUser* c) { mUser = c; }
/// Gets the InterpreterUser of this
/// Gets the Executer
VirtualExec::Pointer GetExecuter() const { return mVirtualExecuter; }
+ /*
+ // For 'break' commands observation
+ typedef boost::signals::trackable BreakObserverType;
+ typedef boost::signal<void ()> BreakSignalType;
+ typedef BreakSignalType::slot_function_type BreakCallbackType;
+
+ // Adds a callback when 'break' command issued
+ void AddBreakObserver( BreakCallbackType );
+ */
protected:
/// The enumeration of command codes == Command name
typedef enum
{
+ cBreak, // LG 12/12/08 : Stops the current script execution (if not exec frozen) - used in tutorial + debugging
+ cClear, // LG 12/12/08 : Clears the current complex black box (e.g. workspace) - used in tours
cNew,
cDelete,
cConnect,
/// Interprets a line
- void InterpretLine( const std::string& line, bool &insideComment );
+ void DoInterpretLine( const std::string& line ); //, bool &insideComment );
/// Reads a line from prompt
void GetLineFromPrompt( std::string& line );
CommandInfoType& info );
/// Switch to the interpretation of a file
- void SwitchToFile( const std::string& filename );
+ void SwitchToFile( const std::string& filename, bool source = false );
/// Switch to the interpretation of a stringstream
void SwitchToStream( std::stringstream* stream );
void Debug(const std::string& arg);
+
private:
/// Constructor
Interpreter(const std::string& cpp_file = "");
+ Interpreter(VirtualExec::Pointer);
+
+ void Init(VirtualExec::Pointer, const std::string& cpp_file);
+
/// Opens the file fullPathScriptName
/// includeScriptName is the name as given to the include command
void LoadScript( std::string fullPathScriptName,
std::string includeScriptName);
///
+ void CatchInterpreterException( const InterpreterException& e );
void CatchBbtkException( const bbtk::Exception& e );
void CatchStdException( const std::exception& e );
void CatchUnknownException();
/// Are we in a command line context ?
bool mCommandLine;
+ /// Are we inside a commented-out zone ?
+ bool mInsideComment;
+
+ /// The current interpreter status
+ ExitStatus mStatus;
+
/// The history of commands
std::deque< char* > mHistory;
- int bufferNb;
+ int bufferNb;
bool mThrow;
+ /// The break signal
+ // BreakSignalType mBreakSignal;
+
+ protected:
+ ~Interpreter();
+
};
// EO class Interpreter
- // The "Quit" exception
- struct QuitException : public bbtk::Exception
- {
- QuitException() : bbtk::Exception("Interpreter","","Quit") {}
- };
}
#endif