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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * wreport/lua - Utilities used to interface with Lua</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * This is not part of the wreport API!</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Copyright (C) 2014 ARPA-SIM <urpsim@smr.arpa.emr.it></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * This program is free software; you can redistribute it and/or modify</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * the Free Software Foundation; either version 2 of the License.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * GNU General Public License for more details.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * along with this program; if not, write to the Free Software</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * Author: Enrico Zini <enrico@enricozini.com></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef WREPORT_UTILS_LUA_H</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#define WREPORT_UTILS_LUA_H</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "config.h"</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#ifndef HAVE_LUA</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#ifdef WREPORT_LUA_REQUIRED</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#error This source requires Lua to compile</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <lauxlib.h></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <lualib.h></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> }</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span><a class="code" href="namespacewreport.html">wreport</a> {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span>lua {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keywordtype">void</span> push_object(lua_State* L, T* obj, <span class="keyword">const</span> <span class="keywordtype">char</span>* class_name, <span class="keyword">const</span> luaL_Reg* lib)</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="comment">// The object we create is a userdata that holds a pointer to obj</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  T** s = (T**)lua_newuserdata(L, <span class="keyword">sizeof</span>(T*));</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  *s = obj;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// Set the metatable for the userdata</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">if</span> (luaL_newmetatable(L, class_name))</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// If the metatable wasn't previously created, create it now</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  lua_pushstring(L, <span class="stringliteral">"__index"</span>);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  lua_pushvalue(L, -2); <span class="comment">/* pushes the metatable */</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  lua_settable(L, -3); <span class="comment">/* metatable.__index = metatable */</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Load normal methods</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#if LUA_VERSION_NUM >= 502</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  luaL_setfuncs(L, lib, 0);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  luaL_register(L, NULL, lib);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  }</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  lua_setmetatable(L, -2);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> }</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="namespacewreport_html"><div class="ttname"><a href="namespacewreport.html">wreport</a></div><div class="ttdoc">String functions. </div><div class="ttdef"><b>Definition:</b> benchmark.h:13</div></div>
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