91 lines
3.1 KiB
C++
91 lines
3.1 KiB
C++
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// Copyright 2011 Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/// \file debug.hpp
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/// Provides the debug wrapper class for the Lua C debug state.
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#if !defined(LUTOK_DEBUG_HPP)
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#define LUTOK_DEBUG_HPP
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#include <string>
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#if defined(_LIBCPP_VERSION) || __cplusplus >= 201103L
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#include <memory>
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#else
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#include <tr1/memory>
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#endif
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namespace lutok {
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class state;
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/// A model for the Lua debug state.
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///
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/// This extremely-simple class provides a mechanism to hide the internals of
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/// the C native lua_Debug type, exposing its internal fields using friendlier
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/// C++ types.
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///
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/// This class also acts as a complement to the state class by exposing any
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/// state-related functions as methods of this function. For example, while it
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/// might seem that get_info() belongs in state, we expose it from here because
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/// its result is really mutating a debug object, not the state object.
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class debug {
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struct impl;
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/// Pointer to the shared internal implementation.
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#if defined(_LIBCPP_VERSION) || __cplusplus >= 201103L
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std::shared_ptr< impl > _pimpl;
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#else
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std::tr1::shared_ptr< impl > _pimpl;
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#endif
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public:
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debug(void);
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~debug(void);
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void get_info(state&, const std::string&);
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void get_stack(state&, const int);
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int event(void) const;
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std::string name(void) const;
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std::string name_what(void) const;
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std::string what(void) const;
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std::string source(void) const;
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int current_line(void) const;
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int n_ups(void) const;
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int line_defined(void) const;
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int last_line_defined(void) const;
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std::string short_src(void) const;
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};
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} // namespace lutok
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#endif // !defined(LUTOK_DEBUG_HPP)
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