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Diffstat (limited to 'ext/systemc/src/sysc/kernel/sc_except.h')
| -rw-r--r-- | ext/systemc/src/sysc/kernel/sc_except.h | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/ext/systemc/src/sysc/kernel/sc_except.h b/ext/systemc/src/sysc/kernel/sc_except.h new file mode 100644 index 000000000..e3bacbd9c --- /dev/null +++ b/ext/systemc/src/sysc/kernel/sc_except.h @@ -0,0 +1,178 @@ +/***************************************************************************** + + Licensed to Accellera Systems Initiative Inc. (Accellera) under one or + more contributor license agreements. See the NOTICE file distributed + with this work for additional information regarding copyright ownership. + Accellera licenses this file to you under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with the + License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied. See the License for the specific language governing + permissions and limitations under the License. + + *****************************************************************************/ + +/***************************************************************************** + + sc_except.h - Exception classes to be handled by SystemC. + + Original Author: Stan Y. Liao, Synopsys, Inc. + + CHANGE LOG AT THE END OF THE FILE + *****************************************************************************/ + + +#ifndef SC_EXCEPT_H +#define SC_EXCEPT_H + +#include <exception> + +namespace sc_core { + +class sc_simcontext; +class sc_process_b; +class sc_method_process; +class sc_thread_process; +void sc_thread_cor_fn( void* arg ); + +/* + * These classes are intentionally empty. Their raison d'etre is for + * the implementation of various SystemC throws. + */ + +class sc_user +{ + /*EMPTY*/ +public: + sc_user() {} + sc_user( const sc_user& ) {} +}; + +class sc_halt +{ +public: + sc_halt() {} + sc_halt( const sc_halt& ) {} +}; + +class sc_kill +{ +public: + sc_kill() {} + sc_kill( const sc_kill& ) {} +}; + +class sc_unwind_exception : public std::exception +{ + friend class sc_simcontext; + friend class sc_process_b; + friend class sc_method_process; + friend class sc_thread_process; + friend void sc_thread_cor_fn( void* arg ); + + public: + virtual bool is_reset() const { return m_is_reset; } + virtual const char* what() const throw(); + + public: + + // enable catch by value + sc_unwind_exception( const sc_unwind_exception& ); + virtual ~sc_unwind_exception() throw(); + + protected: + explicit + sc_unwind_exception( sc_process_b* target_p, bool is_reset = false ); + + bool active() const; + void clear() const; + + private: + // disabled + sc_unwind_exception& operator=( const sc_unwind_exception& ); + + mutable sc_process_b* m_proc_p; // used to check, if caught by the kernel + const bool m_is_reset; // true if this is an unwind of a reset + +}; + +inline +sc_unwind_exception::sc_unwind_exception( const sc_unwind_exception& that ) + : std::exception( that ) + , m_proc_p( that.m_proc_p ) + , m_is_reset( that.m_is_reset ) +{ + that.m_proc_p = 0; // move to new instance +} + +//------------------------------------------------------------------------------ +// global exception handling +//------------------------------------------------------------------------------ + +class sc_report; +sc_report* sc_handle_exception(); + +} // namespace sc_core + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: Gene Bushuyev. Synopsys, Inc. + Description of Modification: - Had to add empty public default and copy + constructors to satisfy VC6.0. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ + +// $Log: sc_except.h,v $ +// Revision 1.11 2011/08/26 21:40:26 acg +// Philipp A. Hartmann: fix up sc_unwind_exception copy-ctor. +// +// Revision 1.10 2011/08/26 20:46:09 acg +// Andy Goodrich: moved the modification log to the end of the file to +// eliminate source line number skew when check-ins are done. +// +// Revision 1.9 2011/08/24 22:05:50 acg +// Torsten Maehne: initialization changes to remove warnings. +// +// Revision 1.8 2011/05/09 04:07:48 acg +// Philipp A. Hartmann: +// (1) Restore hierarchy in all phase callbacks. +// (2) Ensure calls to before_end_of_elaboration. +// +// Revision 1.7 2011/02/18 20:27:14 acg +// Andy Goodrich: Updated Copyrights. +// +// Revision 1.6 2011/02/13 21:47:37 acg +// Andy Goodrich: update copyright notice. +// +// Revision 1.5 2011/02/11 13:25:24 acg +// Andy Goodrich: Philipp A. Hartmann's changes: +// (1) Removal of SC_CTHREAD method overloads. +// (2) New exception processing code. +// +// Revision 1.4 2011/01/18 20:10:44 acg +// Andy Goodrich: changes for IEEE1666_2011 semantics. +// +// Revision 1.3 2009/05/22 16:06:29 acg +// Andy Goodrich: process control updates. +// +// Revision 1.2 2008/05/22 17:06:25 acg +// Andy Goodrich: updated copyright notice to include 2008. +// +// Revision 1.1.1.1 2006/12/15 20:20:05 acg +// SystemC 2.3 +// +// Revision 1.3 2006/01/13 18:44:29 acg +// Added $Log to record CVS changes into the source. + +#endif |