95 lines
2.8 KiB
C++
95 lines
2.8 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 "util/lua.h"
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#include "kernel/threadsafe_environment.h"
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namespace lean {
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void open_kernel_module(lua_State * L);
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UDATA_DEFS(level)
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UDATA_DEFS(local_entry)
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UDATA_DEFS_CORE(local_context)
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UDATA_DEFS(expr);
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UDATA_DEFS(context_entry)
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UDATA_DEFS(context)
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UDATA_DEFS(formatter)
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UDATA_DEFS(object)
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UDATA_DEFS(environment)
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UDATA_DEFS(justification)
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UDATA_DEFS(metavar_env)
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UDATA_DEFS(io_state)
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int push_environment(lua_State * L, ro_environment const & env);
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int push_optional_expr(lua_State * L, optional<expr> const & e);
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int push_optional_justification(lua_State * L, optional<justification> const & j);
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int push_optional_object(lua_State * L, optional<object> const & o);
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/**
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\brief Return the formatter object associated with the given Lua State.
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This procedure checks for options at:
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1- Lean state object associated with \c L
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2- Lua Registry associated with \c L
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*/
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optional<formatter> get_global_formatter_core(lua_State * L);
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/**
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\brief Similar to \c get_global_formatter_core, but returns
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the simple_formatter if a formatter can't be found.
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*/
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formatter get_global_formatter(lua_State * L);
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/**
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\brief Update the formatter object associated with the given Lua State.
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If \c L is associated with a Lean state object \c S, then we update the formatter of \c S.
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Otherwise, we update the registry of \c L.
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*/
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void set_global_formatter(lua_State * L, formatter const & fmt);
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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 const & 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_shared_environment : public read_only_shared_environment {
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public:
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ro_shared_environment(lua_State * L, int idx);
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ro_shared_environment(lua_State * L);
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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_shared_environment : public read_write_shared_environment {
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public:
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rw_shared_environment(lua_State * L, int idx);
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rw_shared_environment(lua_State * L);
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};
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/**
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\brief Auxiliary class for temporarily setting the Lua registry of a Lua state
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with a Lean io_state object.
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*/
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class set_io_state {
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lua_State * m_state;
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io_state * m_prev;
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options m_prev_options;
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public:
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set_io_state(lua_State * L, io_state & st);
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~set_io_state();
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};
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/**
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\brief Return the Lean state object associated with the given Lua state.
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Return nullptr is there is none.
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*/
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io_state * get_io_state(lua_State * L);
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void open_io_state(lua_State * L);
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}
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