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
59 lines
2.3 KiB
C++
59 lines
2.3 KiB
C++
// Copyright 2012 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 examples/hello.cpp
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/// Minimal example using Lua code to print a traditional hello-world message.
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#include <cstdlib>
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#include <lutok/state.ipp>
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/// Program's entry point.
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///
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/// \return A system exit code.
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int
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main(void)
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{
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// Initializes a new Lua state. Every Lua state is independent from each
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// other.
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lutok::state state;
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// Loads the standard library into the Lua state. Among many other
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// functions, this gives us access to print(), which is used below.
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state.open_base();
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// Pushes the print() function into the Lua stack, then its only argument,
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// and then proceeds to execute it within the Lua state.
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state.get_global("print");
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state.push_string("Hello, world!");
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state.pcall(1, 0, 0);
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return EXIT_SUCCESS;
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}
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