45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
/*
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Copyright (c) 2013 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#pragma once
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#include <lua.hpp>
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#include "kernel/threadsafe_environment.h"
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namespace lean {
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class environment;
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void open_environment(lua_State * L);
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bool is_environment(lua_State * L, int idx);
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int push_environment(lua_State * L, environment const & env);
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/**
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\brief Auxiliary class for setting the Lua registry of a Lua state
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with an environment object.
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*/
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class set_environment {
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lua_State * m_state;
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public:
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set_environment(lua_State * L, environment & env);
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~set_environment();
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};
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/**
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\brief Helper class for getting a read-only reference
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for an environment object on the Lua stack.
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*/
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class ro_environment : public read_only_environment {
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public:
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ro_environment(lua_State * L, int idx);
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};
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/**
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\brief Helper class for getting a read-write reference
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for an environment object on the Lua stack.
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*/
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class rw_environment : public read_write_environment {
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public:
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rw_environment(lua_State * L, int idx);
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};
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}
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