c697fb7f7c
It is added an INTERNALLIB and not installed. It will be used by kyua. This is a preparatory commit for D24103. Reviewed by: emaste Obtained from: CheriBSD Sponsored by: DARPA
146 lines
4.8 KiB
C++
146 lines
4.8 KiB
C++
// Copyright 2011 Google Inc.
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright
|
|
// notice, this list of conditions and the following disclaimer in the
|
|
// documentation and/or other materials provided with the distribution.
|
|
// * Neither the name of Google Inc. nor the names of its contributors
|
|
// may be used to endorse or promote products derived from this software
|
|
// without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
/// \file state.hpp
|
|
/// Provides the state wrapper class for the Lua C state.
|
|
|
|
#if !defined(LUTOK_STATE_HPP)
|
|
#define LUTOK_STATE_HPP
|
|
|
|
#include <string>
|
|
|
|
#if defined(_LIBCPP_VERSION) || __cplusplus >= 201103L
|
|
#include <memory>
|
|
#else
|
|
#include <tr1/memory>
|
|
#endif
|
|
|
|
namespace lutok {
|
|
|
|
|
|
class debug;
|
|
class state;
|
|
|
|
|
|
/// The type of a C++ function that can be bound into Lua.
|
|
///
|
|
/// Functions of this type are free to raise exceptions. These will not
|
|
/// propagate into the Lua C API. However, any such exceptions will be reported
|
|
/// as a Lua error and their type will be lost.
|
|
typedef int (*cxx_function)(state&);
|
|
|
|
|
|
/// Stack index constant pointing to the registry table.
|
|
extern const int registry_index;
|
|
|
|
|
|
/// A RAII model for the Lua state.
|
|
///
|
|
/// This class holds the state of the Lua interpreter during its existence and
|
|
/// provides wrappers around several Lua library functions that operate on such
|
|
/// state.
|
|
///
|
|
/// These wrapper functions differ from the C versions in that they use the
|
|
/// implicit state hold by the class, they use C++ types where appropriate and
|
|
/// they use exceptions to report errors.
|
|
///
|
|
/// The wrappers intend to be as lightweight as possible but, in some
|
|
/// situations, they are pretty complex because they need to do extra work to
|
|
/// capture the errors reported by the Lua C API. We prefer having fine-grained
|
|
/// error control rather than efficiency, so this is OK.
|
|
class state {
|
|
struct impl;
|
|
|
|
/// Pointer to the shared internal implementation.
|
|
#if defined(_LIBCPP_VERSION) || __cplusplus >= 201103L
|
|
std::shared_ptr< impl > _pimpl;
|
|
#else
|
|
std::tr1::shared_ptr< impl > _pimpl;
|
|
#endif
|
|
|
|
void* new_userdata_voidp(const size_t);
|
|
void* to_userdata_voidp(const int);
|
|
|
|
friend class state_c_gate;
|
|
explicit state(void*);
|
|
void* raw_state(void);
|
|
|
|
public:
|
|
state(void);
|
|
~state(void);
|
|
|
|
void close(void);
|
|
void get_global(const std::string&);
|
|
void get_global_table(void);
|
|
bool get_metafield(const int, const std::string&);
|
|
bool get_metatable(const int);
|
|
void get_table(const int);
|
|
int get_top(void);
|
|
void insert(const int);
|
|
bool is_boolean(const int);
|
|
bool is_function(const int);
|
|
bool is_nil(const int);
|
|
bool is_number(const int);
|
|
bool is_string(const int);
|
|
bool is_table(const int);
|
|
bool is_userdata(const int);
|
|
void load_file(const std::string&);
|
|
void load_string(const std::string&);
|
|
void new_table(void);
|
|
template< typename Type > Type* new_userdata(void);
|
|
bool next(const int);
|
|
void open_all(void);
|
|
void open_base(void);
|
|
void open_string(void);
|
|
void open_table(void);
|
|
void pcall(const int, const int, const int);
|
|
void pop(const int);
|
|
void push_boolean(const bool);
|
|
void push_cxx_closure(cxx_function, const int);
|
|
void push_cxx_function(cxx_function);
|
|
void push_integer(const int);
|
|
void push_nil(void);
|
|
void push_string(const std::string&);
|
|
void push_value(const int);
|
|
void raw_get(const int);
|
|
void raw_set(const int);
|
|
void set_global(const std::string&);
|
|
void set_metatable(const int);
|
|
void set_table(const int);
|
|
bool to_boolean(const int);
|
|
long to_integer(const int);
|
|
template< typename Type > Type* to_userdata(const int);
|
|
std::string to_string(const int);
|
|
int upvalue_index(const int);
|
|
};
|
|
|
|
|
|
} // namespace lutok
|
|
|
|
#endif // !defined(LUTOK_STATE_HPP)
|