4164be7206
Don't create a new lua state on every operation. Share a single state across the lifetime of the script interpreter. Add simple locking to prevent two threads from modifying the state concurrently.
48 lines
980 B
C++
48 lines
980 B
C++
//===-- ScriptInterpreterLua.h ----------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef liblldb_Lua_h_
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#define liblldb_Lua_h_
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Error.h"
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#include "lua.hpp"
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#include <mutex>
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namespace lldb_private {
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extern "C" {
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int luaopen_lldb(lua_State *L);
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}
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class Lua {
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public:
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Lua() : m_lua_state(luaL_newstate()) {
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assert(m_lua_state);
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luaL_openlibs(m_lua_state);
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luaopen_lldb(m_lua_state);
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}
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~Lua() {
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assert(m_lua_state);
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luaL_openlibs(m_lua_state);
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}
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llvm::Error Run(llvm::StringRef buffer);
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private:
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std::mutex m_mutex;
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lua_State *m_lua_state;
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};
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} // namespace lldb_private
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#endif // liblldb_Lua_h_
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