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| <li class="navelem"><a class="el" href="dir_8cab8f464681f7cc51cee77e79a434cd.html">3rdparty</a></li><li class="navelem"><a class="el" href="dir_82e31a22178767beedddc7597fd1ecb6.html">dmlc-core</a></li><li class="navelem"><a class="el" href="dir_7dd5b88db83ff474628c03c453739a90.html">include</a></li><li class="navelem"><a class="el" href="dir_e30967e3ab51f65ad4b50dd298ccf4e7.html">dmlc</a></li> </ul> |
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| <a href="lua_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#ifndef DMLC_LUA_H_</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#define DMLC_LUA_H_</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <<a class="code" href="lua_8h.html">lua.h</a>></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <luaT.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="preprocessor">#include <string></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <stdexcept></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <tuple></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <mutex></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <memory></span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <utility></span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include <unordered_map></span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include "<a class="code" href="3rdparty_2dmlc-core_2include_2dmlc_2base_8h.html">./base.h</a>"</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include "./logging.h"</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include "<a class="code" href="thread__local_8h.html">./thread_local.h</a>"</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">namespace </span><a class="code" href="namespacedmlc.html">dmlc</a> {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// forward declare torch state</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">class </span>LuaState;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="namespacedmlc_1_1lua__stack.html"> 58</a></span> <span class="keyword">namespace </span>lua_stack {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="structdmlc_1_1lua__stack_1_1Handler.html"> 60</a></span> <span class="keyword">struct </span><a class="code" href="structdmlc_1_1lua__stack_1_1Handler.html">Handler</a>;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> };</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaRef.html"> 64</a></span> <span class="keyword">class </span><a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> {</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>(<a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>&& other); <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"></span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>(<span class="keyword">const</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>& other); <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"></span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>& operator=(<a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>&& other);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>& operator=(<span class="keyword">const</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>& other);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">inline</span> ~<a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>();</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> swap(<a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>& other); <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">inline</span> T Get() <span class="keyword">const</span>;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">inline</span> T* GetUDataPtr() <span class="keyword">const</span>;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_nil() <span class="keyword">const</span>;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">template</span><<span class="keyword">typename</span>... Args></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> operator()(Args&& ...args) <span class="keyword">const</span>;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> operator[](<span class="keyword">const</span> std::string& key) <span class="keyword">const</span>;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> operator[](<span class="keywordtype">size_t</span> index) <span class="keyword">const</span>;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>& SetField(<span class="keyword">const</span> std::string& key, <span class="keyword">const</span> T& value); <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> SetByPopStack_(<a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>* s);</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment">// friend with luastate</span></div><div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaRef.html#a97a0aabb9d8d59dbccf720f68ecc951b"> 163</a></span>  <span class="keyword">friend</span> <span class="keyword">struct </span><a class="code" href="structdmlc_1_1lua__stack_1_1Handler.html">lua_stack::Handler</a><<a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>>;</div><div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaRef.html#a9aa251d710bba4f257a519ebc5d01d51"> 164</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">friend</span> std::ostream &<a class="code" href="namespacedmlc.html#acf31f99192b5ed0d5d77398d58023912">operator<<</a>(std::ostream &os, <span class="keyword">const</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> &r);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>* state_{<span class="keyword">nullptr</span>};</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">int</span> ref_;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> };</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00173"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaState.html"> 173</a></span> <span class="keyword">class </span><a class="code" href="classdmlc_1_1LuaState.html">LuaState</a> {</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7"> 176</a></span>  <span class="keyword">enum</span> <a class="code" href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7">Option</a> {</div><div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7a6480c008fb889ce1b21c7a9180f993b2"> 177</a></span>  <a class="code" href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7a6480c008fb889ce1b21c7a9180f993b2">kNoThreadProtect</a>,</div><div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7a5350b9ee8b057163d888bfef054921f6"> 178</a></span>  <a class="code" href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7a5350b9ee8b057163d888bfef054921f6">kThreadLocal</a>,</div><div class="line"><a name="l00179"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7a7c8af5ada7569e1a33e4d075fed0b143"> 179</a></span>  <a class="code" href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7a7c8af5ada7569e1a33e4d075fed0b143">kLocking</a>,</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  };</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">inline</span> ~<a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>();</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> Eval(<span class="keyword">const</span> <span class="keywordtype">char</span>* lua_code);</div><div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaState.html#a640071bc366a5bed96093191addc50f2"> 196</a></span>  <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> <a class="code" href="classdmlc_1_1LuaState.html#a640071bc366a5bed96093191addc50f2">Eval</a>(<span class="keyword">const</span> std::string& lua_code) {</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">return</span> this->Eval(lua_code.c_str());</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> Convert(<span class="keyword">const</span> T& value);</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> operator[](<span class="keyword">const</span> std::string& key);</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> SetGlobalField(<span class="keyword">const</span> std::string& key, <span class="keyword">const</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>& value);</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>* ThreadLocalState();</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>* Create_(<a class="code" href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7">Option</a> option);</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keyword">template</span><<span class="keyword">typename</span> F></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> PRun_(<a class="code" href="namespacemshadow_1_1expr.html#a78641f307f27330ec67149865eb2222f">F</a> f);</div><div class="line"><a name="l00264"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaState.html#a70e5476fac877e46a0f582fa76147618"> 264</a></span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classdmlc_1_1LuaState.html#a70e5476fac877e46a0f582fa76147618">SameLuaState</a>(lua_State *L)<span class="keyword"> const </span>{</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">return</span> L_ == L;</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00269"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaState.html#ad76f409b883ed4be17beb2f183154ec4"> 269</a></span>  <span class="keyword">struct </span>StackReset;</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>;</div><div class="line"><a name="l00271"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaState.html#aaba7c1ea3faf0c24670fb29976286c87"> 271</a></span>  <span class="keyword">friend</span> <span class="keyword">struct </span><a class="code" href="classdmlc_1_1ThreadLocalStore.html">ThreadLocalStore</a><<a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>>;</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>();</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> </div><div class="line"><a name="l00278"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaState.html#a99241e18fc7e404a97b405deebb95927"> 278</a></span>  <a class="code" href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7">Option</a> option_{kThreadLocal};</div><div class="line"><a name="l00280"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaState.html#aca1618783c1afc81b9f1dd0fb2512820"> 280</a></span>  lua_State* <a class="code" href="classdmlc_1_1LuaState.html#aca1618783c1afc81b9f1dd0fb2512820">L_</a>;</div><div class="line"><a name="l00282"></a><span class="lineno"><a class="line" href="classdmlc_1_1LuaState.html#aa745e60787db0b7d33894bb234352a19"> 282</a></span>  std::mutex <a class="code" href="classdmlc_1_1LuaState.html#aa745e60787db0b7d33894bb234352a19">mutex_</a>;</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> };</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span> </div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="comment">// implementations after this line</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment"></span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="preprocessor">#define LUA_CALL(x) \</span></div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="preprocessor"> if ((x)) { \</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="preprocessor"> LOG(FATAL) << "Lua Call Error:" << lua_tostring(L, -1); \</span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="preprocessor"> }</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> </div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="keyword">namespace </span>lua_stack {</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> lua_abs_index(lua_State* L, <span class="keywordtype">int</span> index) {</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">if</span> (index > 0 || index <= LUA_REGISTRYINDEX) <span class="keywordflow">return</span> index;</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">return</span> lua_gettop(L) + index + 1;</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> }</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="keyword">struct </span>Handler;</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> </div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="keyword">struct </span>NumberHandler {</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keyword">static</span> <span class="keyword">inline</span> T Get(lua_State* L, <span class="keywordtype">int</span> index, <a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>* s) {</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  CHECK_EQ(lua_type(L, index), LUA_TNUMBER)</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  << <span class="stringliteral">"Attempt to get number but type is \'"</span></div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  << lua_typename(L, lua_type(L, index)) << <span class="charliteral">'\''</span>;</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">if</span> (std::is_integral<T>::value) {</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>T<span class="keyword">></span>(lua_tointeger(L, index));</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>T<span class="keyword">></span>(lua_tonumber(L, index));</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  }</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  }</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> Push(lua_State* L, <span class="keyword">const</span> T& v) {</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">if</span> (std::is_integral<T>::value) {</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  lua_pushinteger(L, static_cast<lua_Integer>(v));</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  lua_pushnumber(L, static_cast<lua_Number>(v));</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  }</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> };</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> </div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="keyword">template</span><<span class="keyword">typename</span> ContainerType></div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="keyword">struct </span>MapHandler {</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keyword">using</span> K = <span class="keyword">typename</span> ContainerType::key_type;</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keyword">using</span> V = <span class="keyword">typename</span> ContainerType::mapped_type;</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keyword">static</span> <span class="keyword">inline</span> ContainerType Get(lua_State* L, <span class="keywordtype">int</span> index, <a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>* s) {</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  ContainerType ret;</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  CHECK(lua_istable(L, index))</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  << <span class="stringliteral">"Expected a table but get "</span></div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  << lua_typename(L, lua_type(L, index)) << <span class="charliteral">'\''</span>;</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordtype">int</span> tid = lua_abs_index(L, index);</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  lua_pushnil(L);</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">while</span> (lua_next(L, -2)) {</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  ret[Handler<K>::Get(L, -2, s)] = Handler<V>::Pop(L, -1, s);</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  lua_pop(L, 1);</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  }</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  lua_settop(L, tid);</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  }</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> Push(lua_State* L, <span class="keyword">const</span> ContainerType& v) {</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  lua_createtable(L, v.size(), 0);</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& kv : v) {</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  Handler<K>::Push(L, kv.first);</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  Handler<V>::Push(L, kv.second);</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  lua_settable(L, -3);</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  }</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> };</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="keyword">struct </span>UndefinedHandler {</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> };</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> </div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="keyword">struct </span>Handler</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  : <span class="keyword">public</span> std::conditional<std::is_arithmetic<T>::value,</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  NumberHandler<T>,</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  UndefinedHandler>::type {</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span> };</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> </div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="keyword">template</span><></div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="keyword">struct </span>Handler<std::string> {</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keyword">static</span> <span class="keyword">inline</span> std::string Get(lua_State* L, <span class="keywordtype">int</span> index, <a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>* s) {</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  CHECK_EQ(lua_type(L, index), LUA_TSTRING);</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">return</span> std::string(lua_tostring(L, index));</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  }</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> Push(lua_State* L, <span class="keyword">const</span> std::string& v) {</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  lua_pushstring(L, v.c_str());</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  }</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> };</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span> </div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="keyword">struct </span>Handler<std::vector<T> > {</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keyword">static</span> <span class="keyword">inline</span> std::vector<T> Get(lua_State* L, <span class="keywordtype">int</span> index, <a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>* s) {</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  std::vector<T> ret;</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  CHECK(lua_istable(L, index))</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  << <span class="stringliteral">"Expected a table but get "</span></div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  << lua_typename(L, lua_type(L, index)) << <span class="charliteral">'\''</span>;</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordtype">int</span> tid = lua_abs_index(L, index);</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  lua_pushnil(L);</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">while</span> (lua_next(L, tid)) {</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  CHECK_EQ(Handler<size_t>::Get(L, -2, s), ret.size() + 1)</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  << <span class="stringliteral">"Target table is not an array"</span>;</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  ret.push_back(Handler<T>::Get(L, -1, s));</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  lua_pop(L, 1);</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  }</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  lua_settop(L, tid);</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  }</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> Push(lua_State* L, <span class="keyword">const</span> std::vector<T>& v) {</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  lua_createtable(L, v.size(), 0);</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < v.size(); ++i) {</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  Handler<T>::Push(L, v[i]);</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  lua_rawseti(L, -2, i + 1);</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  }</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  }</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span> };</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span> </div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="keyword">template</span><<span class="keyword">typename</span> K, <span class="keyword">typename</span> V></div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="keyword">struct </span>Handler<std::unordered_map<K, V> ></div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  : <span class="keyword">public</span> MapHandler<std::unordered_map<K, V> > {</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span> };</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span> </div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="keyword">template</span><></div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="keyword">struct </span>Handler<LuaRef> {</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keyword">static</span> <span class="keyword">inline</span> LuaRef Get(lua_State* L, <span class="keywordtype">int</span> index, <a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>* s) {</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  LuaRef ret;</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  lua_pushvalue(L, index);</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  ret.<a class="code" href="classdmlc_1_1LuaRef.html#abd04623a03af2f2d0ca2c3a1d58c6f05">SetByPopStack_</a>(s);</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  }</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span> </div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> Push(lua_State* L, <span class="keyword">const</span> LuaRef& v) {</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> (v.<a class="code" href="classdmlc_1_1LuaRef.html#ae34de268bd2fbe266baa875d87803ccf">is_nil</a>()) {</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  lua_pushnil(L);</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  CHECK(v.state_-><a class="code" href="classdmlc_1_1LuaState.html#a70e5476fac877e46a0f582fa76147618">SameLuaState</a>(L))</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  << <span class="stringliteral">"Cannot pass LuaRef on a different LuaState's function"</span>;</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  lua_rawgeti(L, LUA_REGISTRYINDEX, v.ref_);</div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  }</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span> };</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span> </div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="keyword">template</span><></div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="keyword">struct </span>Handler<std::nullptr_t> {</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keyword">static</span> <span class="keyword">inline</span> LuaRef Get(lua_State* L, <span class="keywordtype">int</span> index, <a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>* s) {</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  LOG(FATAL) << <span class="stringliteral">"not supported"</span>;</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keywordflow">return</span> LuaRef();</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  }</div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> Push(lua_State* L, <span class="keyword">const</span> std::nullptr_t& v) {</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  lua_pushnil(L);</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  }</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span> };</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span> </div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="comment">// generic functor to call push the arguments.</span></div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="keyword">struct </span>PushArg {</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  lua_State* L;</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> T& v)<span class="keyword"> const </span>{</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  Handler<T>::Push(L, v);</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  }</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span> };</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span> </div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span> } <span class="comment">// namespace lua_stack</span></div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span> </div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaState.html#ae76399cb24c8a82c491947f304ede429">LuaState::LuaState</a>() {</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  L_ = luaL_newstate();</div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  CHECK(L_ != <span class="keyword">nullptr</span>)</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  << <span class="stringliteral">"Failed to create new lua state"</span>;</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  luaL_openlibs(L_);</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span> }</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span> </div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaState.html#a1734dbf3c2f3f036773a7a257de055aa">LuaState::~LuaState</a>() {</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordflow">if</span> (option_ != kThreadLocal && L_ != <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="comment">// never close threadlocal, for save destruction.</span></div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  lua_close(L_);</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  }</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span> }</div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span> </div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>* <a class="code" href="classdmlc_1_1LuaState.html#a7dcdffce5b1f9526568f37b7d4e7b8f1">LuaState::Create_</a>(<a class="code" href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7">Option</a> opt) {</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>* s = <span class="keyword">new</span> <a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>();</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  s-><a class="code" href="classdmlc_1_1LuaState.html#a99241e18fc7e404a97b405deebb95927">option_</a> = opt;</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  CHECK_NE(opt, kThreadLocal)</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  << <span class="stringliteral">"use LuaState::ThreadLocalState() to get the thread local state"</span>;</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="keywordflow">return</span> s;</div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span> }</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span> </div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classdmlc_1_1LuaRef.html#abd04623a03af2f2d0ca2c3a1d58c6f05">LuaRef::SetByPopStack_</a>(<a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>* s) {</div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  CHECK(state_ == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  lua_State* L = s-><a class="code" href="classdmlc_1_1LuaState.html#aca1618783c1afc81b9f1dd0fb2512820">L_</a>;</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">if</span> (!lua_isnil(L, -1)) {</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  ref_ = lua_ref(L, LUA_REGISTRYINDEX);</div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  state_ = s;</div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  lua_pop(L, 1);</div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  }</div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span> }</div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span> </div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="comment">// RAII guard to reset stack</span></div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="keyword">struct </span>LuaState::StackReset {</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  lua_State* L;</div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordtype">int</span> top;</div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  ~StackReset() {</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  lua_settop(L, top);</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  }</div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span> };</div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span> </div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span> <span class="keyword">template</span><<span class="keyword">typename</span> F></div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classdmlc_1_1LuaState.html#ade7455050ecf9d82053d2d71d1272a82">LuaState::PRun_</a>(<a class="code" href="namespacemshadow_1_1expr.html#a78641f307f27330ec67149865eb2222f">F</a> f) {</div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordflow">if</span> (option_ != kLocking) {</div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  StackReset reset{L_, lua_gettop(L_)};</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordflow">if</span> (option_ == kThreadLocal) {</div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  CHECK_EQ(ThreadLocalState(), <span class="keyword">this</span>)</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  << <span class="stringliteral">"Invoke lua from a different thread in ThreadLocal mode."</span>;</div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  }</div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  f(L_);</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  CHECK_EQ(reset.top, lua_gettop(L_));</div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  std::lock_guard<std::mutex> lock(mutex_);</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  StackReset reset{L_, lua_gettop(L_)};</div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  f(L_);</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  CHECK_EQ(reset.top, lua_gettop(L_));</div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  }</div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span> }</div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span> </div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaState.html">LuaState</a>* <a class="code" href="classdmlc_1_1LuaState.html#a5eaebefa148bfd110e3c50b45154b221">LuaState::ThreadLocalState</a>() {</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">return</span> <a class="code" href="classdmlc_1_1ThreadLocalStore.html#a19fb65f0c77ddd5374e52fd6a399ab25">ThreadLocalStore<LuaState>::Get</a>();</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span> }</div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span> </div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> <a class="code" href="classdmlc_1_1LuaState.html#a0d19f8d8507c33502ce4c00e1b1e5134">LuaState::Eval</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* lua_code) {</div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> ret;</div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  this->PRun_([<span class="keyword">this</span>, lua_code, &ret](lua_State* L) {</div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  luaL_loadstring(L, lua_code);</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  CHECK_EQ(lua_pcall(L, 0, 1, 0), 0)</div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  << <span class="stringliteral">"Lua call error: "</span> << lua_tostring(L, -1) << <span class="charliteral">'\n'</span></div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  << <span class="stringliteral">"---------\n"</span></div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  << lua_code</div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  << <span class="stringliteral">"\n----------"</span>;</div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  ret.<a class="code" href="classdmlc_1_1LuaRef.html#abd04623a03af2f2d0ca2c3a1d58c6f05">SetByPopStack_</a>(<span class="keyword">this</span>);</div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  });</div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span> }</div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span> </div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> <a class="code" href="classdmlc_1_1LuaState.html#a33446cb9b59326e0e7746bcf7cf46330">LuaState::Convert</a>(<span class="keyword">const</span> T& value) {</div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> ret;</div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  this->PRun_([<span class="keyword">this</span>, &value, &ret](lua_State* L) {</div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <a class="code" href="structdmlc_1_1lua__stack_1_1Handler.html">lua_stack::Handler<T>::Push</a>(L, value);</div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  ret.<a class="code" href="classdmlc_1_1LuaRef.html#abd04623a03af2f2d0ca2c3a1d58c6f05">SetByPopStack_</a>(<span class="keyword">this</span>);</div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  });</div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span> }</div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span> </div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> <a class="code" href="classdmlc_1_1LuaState.html#ad9140fd83d79254f4a5f06e136f05602">LuaState::operator[]</a>(<span class="keyword">const</span> std::string& key) {</div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> ret;</div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  this->PRun_([<span class="keyword">this</span>, &key, &ret](lua_State* L) {</div><div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  lua_getglobal(L, key.c_str());</div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  ret.<a class="code" href="classdmlc_1_1LuaRef.html#abd04623a03af2f2d0ca2c3a1d58c6f05">SetByPopStack_</a>(<span class="keyword">this</span>);</div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  });</div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span> }</div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span> </div><div class="line"><a name="l00554"></a><span class="lineno"> 554</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classdmlc_1_1LuaState.html#acff2a74578e591476dc2be889c7a4d4e">LuaState::SetGlobalField</a>(</div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keyword">const</span> std::string& key, <span class="keyword">const</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>& value) {</div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  this->PRun_([<span class="keyword">this</span>, &key, &value](lua_State* L) {</div><div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  lua_rawgeti(L, LUA_REGISTRYINDEX, value.ref_);</div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  lua_setglobal(L, key.c_str());</div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  });</div><div class="line"><a name="l00560"></a><span class="lineno"> 560</span> }</div><div class="line"><a name="l00561"></a><span class="lineno"> 561</span> </div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html#ad23fff4bb8e821afb892c144c7f1ce5d">LuaRef::LuaRef</a>(<span class="keyword">const</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>& other) {</div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="keywordflow">if</span> (other.state_ != <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  state_ = other.state_;</div><div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  state_-><a class="code" href="classdmlc_1_1LuaState.html#ade7455050ecf9d82053d2d71d1272a82">PRun_</a>([<span class="keyword">this</span>, &other](lua_State* L) {</div><div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  lua_rawgeti(L, LUA_REGISTRYINDEX, other.ref_);</div><div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  ref_ = luaL_ref(L, LUA_REGISTRYINDEX);</div><div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  });</div><div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  }</div><div class="line"><a name="l00570"></a><span class="lineno"> 570</span> }</div><div class="line"><a name="l00571"></a><span class="lineno"> 571</span> </div><div class="line"><a name="l00572"></a><span class="lineno"> 572</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html#ad23fff4bb8e821afb892c144c7f1ce5d">LuaRef::LuaRef</a>(<a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>&& other) {</div><div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  ref_ = other.ref_;</div><div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  state_ = other.state_;</div><div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  other.state_ = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00576"></a><span class="lineno"> 576</span> }</div><div class="line"><a name="l00577"></a><span class="lineno"> 577</span> </div><div class="line"><a name="l00578"></a><span class="lineno"> 578</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>& <a class="code" href="classdmlc_1_1LuaRef.html#a4767414e9463eeb59728b65babed6cf6">LuaRef::operator=</a>(<a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>&& other) {</div><div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>(std::move(other)).<a class="code" href="classdmlc_1_1LuaRef.html#a500b446e89436303fbdf50af76c78308">swap</a>(*<span class="keyword">this</span>);</div><div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00581"></a><span class="lineno"> 581</span> }</div><div class="line"><a name="l00582"></a><span class="lineno"> 582</span> </div><div class="line"><a name="l00583"></a><span class="lineno"> 583</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>& <a class="code" href="classdmlc_1_1LuaRef.html#a4767414e9463eeb59728b65babed6cf6">LuaRef::operator=</a>(<span class="keyword">const</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>& other) {</div><div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>(other).<a class="code" href="classdmlc_1_1LuaRef.html#a500b446e89436303fbdf50af76c78308">swap</a>(*<span class="keyword">this</span>);</div><div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00586"></a><span class="lineno"> 586</span> }</div><div class="line"><a name="l00587"></a><span class="lineno"> 587</span> </div><div class="line"><a name="l00588"></a><span class="lineno"> 588</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classdmlc_1_1LuaRef.html#a500b446e89436303fbdf50af76c78308">LuaRef::swap</a>(<a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>& other) { <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  std::swap(state_, other.state_);</div><div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  std::swap(ref_, other.ref_);</div><div class="line"><a name="l00591"></a><span class="lineno"> 591</span> }</div><div class="line"><a name="l00592"></a><span class="lineno"> 592</span> </div><div class="line"><a name="l00593"></a><span class="lineno"> 593</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html#ab97c83cda0db04b89cb587ee54d5b3ec">LuaRef::~LuaRef</a>() {</div><div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="keywordflow">if</span> (state_ != <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  state_->PRun_([<span class="keyword">this</span>](lua_State* L) {</div><div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  luaL_unref(L, LUA_REGISTRYINDEX, ref_);</div><div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  });</div><div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  }</div><div class="line"><a name="l00599"></a><span class="lineno"> 599</span> }</div><div class="line"><a name="l00600"></a><span class="lineno"> 600</span> </div><div class="line"><a name="l00601"></a><span class="lineno"> 601</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classdmlc_1_1LuaRef.html#ae34de268bd2fbe266baa875d87803ccf">LuaRef::is_nil</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="keywordflow">return</span> state_ == <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00603"></a><span class="lineno"> 603</span> }</div><div class="line"><a name="l00604"></a><span class="lineno"> 604</span> </div><div class="line"><a name="l00605"></a><span class="lineno"> 605</span> std::ostream &<a class="code" href="namespacedmlc.html#acf31f99192b5ed0d5d77398d58023912">operator<<</a>(std::ostream &os, <span class="keyword">const</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> &r) {</div><div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  <span class="keywordflow">if</span> (!r.<a class="code" href="classdmlc_1_1LuaRef.html#ae34de268bd2fbe266baa875d87803ccf">is_nil</a>()) {</div><div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  r.state_-><a class="code" href="classdmlc_1_1LuaState.html#ade7455050ecf9d82053d2d71d1272a82">PRun_</a>([&os, &r](lua_State* L) {</div><div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  lua_rawgeti(L, LUA_REGISTRYINDEX, r.ref_);</div><div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordtype">int</span> type = lua_type(L, -1);</div><div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  <span class="keywordflow">switch</span> (type) {</div><div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="keywordflow">case</span> LUA_TSTRING:</div><div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  os << <span class="stringliteral">"lua_string:'"</span> << lua_tostring(L, -1) << <span class="stringliteral">"'"</span>; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <span class="keywordflow">case</span> LUA_TBOOLEAN:</div><div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  os << <span class="stringliteral">"lua_bool:"</span> << (lua_toboolean(L, -1) ? <span class="stringliteral">"true"</span> : <span class="stringliteral">"false"</span>); <span class="keywordflow">break</span>;</div><div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keywordflow">case</span> LUA_TNUMBER:</div><div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  os << <span class="stringliteral">"lua_number:"</span> << lua_tonumber(L, -1); <span class="keywordflow">break</span>;</div><div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  os << <span class="stringliteral">"lua[ref="</span> << r.ref_ << <span class="charliteral">']'</span> << lua_typename(L, type); <span class="keywordflow">break</span>;</div><div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  }</div><div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  lua_pop(L, 1);</div><div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  });</div><div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  os << <span class="stringliteral">"lua_nil"</span>;</div><div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  }</div><div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="keywordflow">return</span> os;</div><div class="line"><a name="l00626"></a><span class="lineno"> 626</span> }</div><div class="line"><a name="l00627"></a><span class="lineno"> 627</span> </div><div class="line"><a name="l00628"></a><span class="lineno"> 628</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00629"></a><span class="lineno"> 629</span> <span class="keyword">inline</span> T <a class="code" href="classdmlc_1_1LuaRef.html#a2c914179f15723b62e58057becf7ba5a">LuaRef::Get</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  CHECK(state_ != <span class="keyword">nullptr</span>) << <span class="stringliteral">"Get:: LuaRef is nil"</span>;</div><div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  T ret;</div><div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  state_->PRun_([&ret, <span class="keyword">this</span>](lua_State* L) {</div><div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  lua_rawgeti(L, LUA_REGISTRYINDEX, ref_);</div><div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  ret = <a class="code" href="structdmlc_1_1lua__stack_1_1Handler.html">lua_stack::Handler<T>::Get</a>(L, -1, state_);</div><div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  lua_pop(L, 1);</div><div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  });</div><div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00638"></a><span class="lineno"> 638</span> }</div><div class="line"><a name="l00639"></a><span class="lineno"> 639</span> </div><div class="line"><a name="l00640"></a><span class="lineno"> 640</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00641"></a><span class="lineno"> 641</span> <span class="keyword">inline</span> T* <a class="code" href="classdmlc_1_1LuaRef.html#a03de3ceda60bec3096850404200d035f">LuaRef::GetUDataPtr</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  CHECK(state_ != <span class="keyword">nullptr</span>) << <span class="stringliteral">"Get:: LuaRef is nil"</span>;</div><div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  T* ret;</div><div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  state_->PRun_([&ret, <span class="keyword">this</span>](lua_State* L) {</div><div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  lua_rawgeti(L, LUA_REGISTRYINDEX, ref_);</div><div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  ret = <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(lua_touserdata(L, -1));</div><div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  lua_pop(L, 1);</div><div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  });</div><div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00650"></a><span class="lineno"> 650</span> }</div><div class="line"><a name="l00651"></a><span class="lineno"> 651</span> </div><div class="line"><a name="l00652"></a><span class="lineno"> 652</span> <span class="comment">// helper function to dispatch varg foreach</span></div><div class="line"><a name="l00653"></a><span class="lineno"> 653</span> <span class="keyword">template</span><<span class="keywordtype">bool</span> stop, std::size_t I, <span class="keyword">typename</span> <a class="code" href="namespacemshadow_1_1expr.html#a78641f307f27330ec67149865eb2222f">F</a>, <span class="keyword">typename</span> ...Args></div><div class="line"><a name="l00654"></a><span class="lineno"> 654</span> <span class="keyword">struct </span>for_each_dispatcher_ {</div><div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> run(<span class="keyword">const</span> std::tuple<Args...>& args, F f) {</div><div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  f(std::get<I>(args));</div><div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  for_each_dispatcher_<(I + 1) == <span class="keyword">sizeof</span>...(Args), (I+1), F, Args...>::run(args, f);</div><div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  }</div><div class="line"><a name="l00659"></a><span class="lineno"> 659</span> };</div><div class="line"><a name="l00660"></a><span class="lineno"> 660</span> <span class="comment">// helper function to run foreach</span></div><div class="line"><a name="l00661"></a><span class="lineno"> 661</span> <span class="keyword">template</span><std::size_t I, <span class="keyword">typename</span> <a class="code" href="namespacemshadow_1_1expr.html#a78641f307f27330ec67149865eb2222f">F</a>, <span class="keyword">typename</span> ...Args></div><div class="line"><a name="l00662"></a><span class="lineno"> 662</span> <span class="keyword">struct </span>for_each_dispatcher_<true, I, F, Args...> {</div><div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> run(<span class="keyword">const</span> std::tuple<Args...>& args, F f) {</div><div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  }</div><div class="line"><a name="l00665"></a><span class="lineno"> 665</span> };</div><div class="line"><a name="l00666"></a><span class="lineno"> 666</span> </div><div class="line"><a name="l00667"></a><span class="lineno"> 667</span> <span class="comment">// template function to iterate over tuples</span></div><div class="line"><a name="l00668"></a><span class="lineno"> 668</span> <span class="keyword">template</span><<span class="keyword">typename</span> <a class="code" href="namespacemshadow_1_1expr.html#a78641f307f27330ec67149865eb2222f">F</a>, <span class="keyword">typename</span> ...Args></div><div class="line"><a name="l00669"></a><span class="lineno"> 669</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet_1_1runtime_1_1detail.html#a1b6c8e3078e90d6b65152f673cfacb9f">for_each</a>(<span class="keyword">const</span> std::tuple<Args...>& args, F f) {</div><div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  for_each_dispatcher_<<span class="keyword">sizeof</span>...(Args) == 0, 0, F, Args...>::run(args, f);</div><div class="line"><a name="l00671"></a><span class="lineno"> 671</span> }</div><div class="line"><a name="l00672"></a><span class="lineno"> 672</span> </div><div class="line"><a name="l00673"></a><span class="lineno"> 673</span> <span class="keyword">template</span><<span class="keyword">typename</span>... Args></div><div class="line"><a name="l00674"></a><span class="lineno"> 674</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> <a class="code" href="classdmlc_1_1LuaRef.html#ae4fddefd9dd3dae96a2c555c5479e403">LuaRef::operator()</a>(Args&& ...args)<span class="keyword"> const </span>{</div><div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  CHECK(state_ != <span class="keyword">nullptr</span>) << <span class="stringliteral">"LuaRef is nil"</span>;</div><div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="keyword">auto</span> targ = std::make_tuple(std::forward<Args>(args)...);</div><div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordtype">size_t</span> nargs = <span class="keyword">sizeof</span>...(Args);</div><div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> ret;</div><div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  state_->PRun_([<span class="keyword">this</span>, nargs, &targ, &ret](lua_State* L) {</div><div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  lua_rawgeti(L, LUA_REGISTRYINDEX, this->ref_);</div><div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  CHECK(lua_isfunction(L, -1))</div><div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  << <span class="stringliteral">"Expect to invoke a function but type='"</span></div><div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  << lua_typename(L, lua_type(L, -1)) << <span class="charliteral">'\''</span>;</div><div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <a class="code" href="namespacemxnet_1_1runtime_1_1detail.html#a1b6c8e3078e90d6b65152f673cfacb9f">for_each</a>(targ, lua_stack::PushArg{L});</div><div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  LUA_CALL(lua_pcall(L, nargs, 1, 0));</div><div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  ret.<a class="code" href="classdmlc_1_1LuaRef.html#abd04623a03af2f2d0ca2c3a1d58c6f05">SetByPopStack_</a>(state_);</div><div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  });</div><div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00689"></a><span class="lineno"> 689</span> }</div><div class="line"><a name="l00690"></a><span class="lineno"> 690</span> </div><div class="line"><a name="l00691"></a><span class="lineno"> 691</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00692"></a><span class="lineno"> 692</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a>& <a class="code" href="classdmlc_1_1LuaRef.html#a1bdf62b429d73a5b50d73fb7f7358e16">LuaRef::SetField</a>(<span class="keyword">const</span> std::string& key, <span class="keyword">const</span> T& value) { <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  CHECK(state_ != <span class="keyword">nullptr</span>) << <span class="stringliteral">"LuaRef is nil"</span>;</div><div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  state_->PRun_([<span class="keyword">this</span>, &key, &value](lua_State* L) {</div><div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  lua_rawgeti(L, LUA_REGISTRYINDEX, this->ref_);</div><div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  CHECK(lua_istable(L, -1))</div><div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  << <span class="stringliteral">"Expect a table but type='"</span></div><div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  << lua_typename(L, lua_type(L, -1)) << <span class="charliteral">'\''</span>;</div><div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <a class="code" href="structdmlc_1_1lua__stack_1_1Handler.html">lua_stack::Handler<T>::Push</a>(L, value);</div><div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  lua_setfield(L, -2, key.c_str());</div><div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  lua_pop(L, 1);</div><div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  });</div><div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00704"></a><span class="lineno"> 704</span> }</div><div class="line"><a name="l00705"></a><span class="lineno"> 705</span> </div><div class="line"><a name="l00706"></a><span class="lineno"> 706</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> <a class="code" href="classdmlc_1_1LuaRef.html#acf490ec150141576d8cad9da826d8a0c">LuaRef::operator[]</a>(<span class="keyword">const</span> std::string& key)<span class="keyword"> const </span>{</div><div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  CHECK(state_ != <span class="keyword">nullptr</span>) << <span class="stringliteral">"LuaRef is nil"</span>;</div><div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> ret;</div><div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  state_->PRun_([<span class="keyword">this</span>, &key, &ret](lua_State* L) {</div><div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  lua_rawgeti(L, LUA_REGISTRYINDEX, this->ref_);</div><div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  CHECK(lua_istable(L, -1))</div><div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  << <span class="stringliteral">"Expect a table but type='"</span></div><div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  << lua_typename(L, lua_type(L, -1)) << <span class="charliteral">'\''</span>;</div><div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  lua_getfield(L, -1, key.c_str());</div><div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  ret.<a class="code" href="classdmlc_1_1LuaRef.html#abd04623a03af2f2d0ca2c3a1d58c6f05">SetByPopStack_</a>(state_);</div><div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  lua_pop(L, 1);</div><div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  });</div><div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00719"></a><span class="lineno"> 719</span> }</div><div class="line"><a name="l00720"></a><span class="lineno"> 720</span> </div><div class="line"><a name="l00721"></a><span class="lineno"> 721</span> <span class="keyword">inline</span> <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> <a class="code" href="classdmlc_1_1LuaRef.html#acf490ec150141576d8cad9da826d8a0c">LuaRef::operator[]</a>(<span class="keywordtype">size_t</span> index)<span class="keyword"> const </span>{</div><div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  CHECK(state_ != <span class="keyword">nullptr</span>) << <span class="stringliteral">"LuaRef is nil"</span>;</div><div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <a class="code" href="classdmlc_1_1LuaRef.html">LuaRef</a> ret;</div><div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  state_->PRun_([<span class="keyword">this</span>, index, &ret](lua_State* L) {</div><div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  lua_rawgeti(L, LUA_REGISTRYINDEX, this->ref_);</div><div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  CHECK(lua_istable(L, -1))</div><div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  << <span class="stringliteral">"Expect a table but type='"</span></div><div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  << lua_typename(L, lua_type(L, -1)) << <span class="charliteral">'\''</span>;</div><div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  lua_rawgeti(L, -1, index);</div><div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  ret.<a class="code" href="classdmlc_1_1LuaRef.html#abd04623a03af2f2d0ca2c3a1d58c6f05">SetByPopStack_</a>(state_);</div><div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  lua_pop(L, 1);</div><div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  });</div><div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00734"></a><span class="lineno"> 734</span> }</div><div class="line"><a name="l00735"></a><span class="lineno"> 735</span> </div><div class="line"><a name="l00737"></a><span class="lineno"> 737</span> } <span class="comment">// namespace dmlc</span></div><div class="line"><a name="l00738"></a><span class="lineno"> 738</span> </div><div class="line"><a name="l00739"></a><span class="lineno"> 739</span> <span class="preprocessor">#endif // DMLC_LUA_H_</span></div><div class="ttc" id="classdmlc_1_1LuaState_html_a33446cb9b59326e0e7746bcf7cf46330"><div class="ttname"><a href="classdmlc_1_1LuaState.html#a33446cb9b59326e0e7746bcf7cf46330">dmlc::LuaState::Convert</a></div><div class="ttdeci">LuaRef Convert(const T &value)</div><div class="ttdoc">convert a C++ type to lua type </div></div> |
| <div class="ttc" id="classdmlc_1_1LuaRef_html_ab97c83cda0db04b89cb587ee54d5b3ec"><div class="ttname"><a href="classdmlc_1_1LuaRef.html#ab97c83cda0db04b89cb587ee54d5b3ec">dmlc::LuaRef::~LuaRef</a></div><div class="ttdeci">~LuaRef()</div><div class="ttdoc">destructor </div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_a70e5476fac877e46a0f582fa76147618"><div class="ttname"><a href="classdmlc_1_1LuaState.html#a70e5476fac877e46a0f582fa76147618">dmlc::LuaState::SameLuaState</a></div><div class="ttdeci">bool SameLuaState(lua_State *L) const</div><div class="ttdef"><b>Definition:</b> lua.h:264</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_a640071bc366a5bed96093191addc50f2"><div class="ttname"><a href="classdmlc_1_1LuaState.html#a640071bc366a5bed96093191addc50f2">dmlc::LuaState::Eval</a></div><div class="ttdeci">LuaRef Eval(const std::string &lua_code)</div><div class="ttdoc">evaluate a piece of lua code, return the first result. </div><div class="ttdef"><b>Definition:</b> lua.h:196</div></div> |
| <div class="ttc" id="classdmlc_1_1ThreadLocalStore_html_a19fb65f0c77ddd5374e52fd6a399ab25"><div class="ttname"><a href="classdmlc_1_1ThreadLocalStore.html#a19fb65f0c77ddd5374e52fd6a399ab25">dmlc::ThreadLocalStore::Get</a></div><div class="ttdeci">static T * Get()</div><div class="ttdef"><b>Definition:</b> thread_local.h:38</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_a00653ef79293ad2e4797326295028ce7a5350b9ee8b057163d888bfef054921f6"><div class="ttname"><a href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7a5350b9ee8b057163d888bfef054921f6">dmlc::LuaState::kThreadLocal</a></div><div class="ttdef"><b>Definition:</b> lua.h:178</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_a00653ef79293ad2e4797326295028ce7a7c8af5ada7569e1a33e4d075fed0b143"><div class="ttname"><a href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7a7c8af5ada7569e1a33e4d075fed0b143">dmlc::LuaState::kLocking</a></div><div class="ttdef"><b>Definition:</b> lua.h:179</div></div> |
| <div class="ttc" id="classdmlc_1_1ThreadLocalStore_html"><div class="ttname"><a href="classdmlc_1_1ThreadLocalStore.html">dmlc::ThreadLocalStore</a></div><div class="ttdoc">A threadlocal store to store threadlocal variables. Will return a thread local singleton of type T...</div><div class="ttdef"><b>Definition:</b> thread_local.h:35</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_ae76399cb24c8a82c491947f304ede429"><div class="ttname"><a href="classdmlc_1_1LuaState.html#ae76399cb24c8a82c491947f304ede429">dmlc::LuaState::LuaState</a></div><div class="ttdeci">LuaState()</div><div class="ttdoc">constructor </div></div> |
| <div class="ttc" id="classdmlc_1_1LuaRef_html_abd04623a03af2f2d0ca2c3a1d58c6f05"><div class="ttname"><a href="classdmlc_1_1LuaRef.html#abd04623a03af2f2d0ca2c3a1d58c6f05">dmlc::LuaRef::SetByPopStack_</a></div><div class="ttdeci">void SetByPopStack_(LuaState *s)</div><div class="ttdoc">Set LuaRef to the value on top of the stack. This state must be nil. This is API used by developer...</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaRef_html_ae34de268bd2fbe266baa875d87803ccf"><div class="ttname"><a href="classdmlc_1_1LuaRef.html#ae34de268bd2fbe266baa875d87803ccf">dmlc::LuaRef::is_nil</a></div><div class="ttdeci">bool is_nil() const</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaRef_html_ae4fddefd9dd3dae96a2c555c5479e403"><div class="ttname"><a href="classdmlc_1_1LuaRef.html#ae4fddefd9dd3dae96a2c555c5479e403">dmlc::LuaRef::operator()</a></div><div class="ttdeci">LuaRef operator()(Args &&...args) const</div><div class="ttdoc">invoke the LuaRef as function </div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_ade7455050ecf9d82053d2d71d1272a82"><div class="ttname"><a href="classdmlc_1_1LuaState.html#ade7455050ecf9d82053d2d71d1272a82">dmlc::LuaState::PRun_</a></div><div class="ttdeci">void PRun_(F f)</div><div class="ttdoc">protected run f, this is used by API developers. always call this to access lua state f must not dest...</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaRef_html_a03de3ceda60bec3096850404200d035f"><div class="ttname"><a href="classdmlc_1_1LuaRef.html#a03de3ceda60bec3096850404200d035f">dmlc::LuaRef::GetUDataPtr</a></div><div class="ttdeci">T * GetUDataPtr() const</div><div class="ttdoc">Get user data pointer from LuaRef. </div></div> |
| <div class="ttc" id="structdmlc_1_1lua__stack_1_1Handler_html"><div class="ttname"><a href="structdmlc_1_1lua__stack_1_1Handler.html">dmlc::lua_stack::Handler</a></div><div class="ttdef"><b>Definition:</b> lua.h:60</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_a99241e18fc7e404a97b405deebb95927"><div class="ttname"><a href="classdmlc_1_1LuaState.html#a99241e18fc7e404a97b405deebb95927">dmlc::LuaState::option_</a></div><div class="ttdeci">Option option_</div><div class="ttdoc">internal option, default to thread local </div><div class="ttdef"><b>Definition:</b> lua.h:278</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaRef_html_a1bdf62b429d73a5b50d73fb7f7358e16"><div class="ttname"><a href="classdmlc_1_1LuaRef.html#a1bdf62b429d73a5b50d73fb7f7358e16">dmlc::LuaRef::SetField</a></div><div class="ttdeci">LuaRef & SetField(const std::string &key, const T &value)</div><div class="ttdoc">Set field of lua table. The reference must be a table. </div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_a7dcdffce5b1f9526568f37b7d4e7b8f1"><div class="ttname"><a href="classdmlc_1_1LuaState.html#a7dcdffce5b1f9526568f37b7d4e7b8f1">dmlc::LuaState::Create_</a></div><div class="ttdeci">static LuaState * Create_(Option option)</div></div> |
| <div class="ttc" id="namespacedmlc_html"><div class="ttname"><a href="namespacedmlc.html">dmlc</a></div><div class="ttdoc">namespace for dmlc </div><div class="ttdef"><b>Definition:</b> array_view.h:12</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_aca1618783c1afc81b9f1dd0fb2512820"><div class="ttname"><a href="classdmlc_1_1LuaState.html#aca1618783c1afc81b9f1dd0fb2512820">dmlc::LuaState::L_</a></div><div class="ttdeci">lua_State * L_</div><div class="ttdoc">internal lua state </div><div class="ttdef"><b>Definition:</b> lua.h:280</div></div> |
| <div class="ttc" id="namespacemshadow_1_1expr_html_a78641f307f27330ec67149865eb2222f"><div class="ttname"><a href="namespacemshadow_1_1expr.html#a78641f307f27330ec67149865eb2222f">mshadow::expr::F</a></div><div class="ttdeci">BinaryMapExp< OP, TA, ScalarExp< MSHADOW_SCALAR_ >, MSHADOW_SCALAR_,(ta|type::kMapper)> F(const Exp< TA, MSHADOW_SCALAR_, ta > &lhs, const ScalarExp< MSHADOW_SCALAR_ > &rhs)</div><div class="ttdoc">operator overload for const </div><div class="ttdef"><b>Definition:</b> expr_scalar-inl.h:71</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_a00653ef79293ad2e4797326295028ce7"><div class="ttname"><a href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7">dmlc::LuaState::Option</a></div><div class="ttdeci">Option</div><div class="ttdoc">options to be provided in lua state </div><div class="ttdef"><b>Definition:</b> lua.h:176</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaRef_html_a2c914179f15723b62e58057becf7ba5a"><div class="ttname"><a href="classdmlc_1_1LuaRef.html#a2c914179f15723b62e58057becf7ba5a">dmlc::LuaRef::Get</a></div><div class="ttdeci">T Get() const</div><div class="ttdoc">Get content out as type T. </div></div> |
| <div class="ttc" id="thread__local_8h_html"><div class="ttname"><a href="thread__local_8h.html">thread_local.h</a></div><div class="ttdoc">Portable thread local storage. </div></div> |
| <div class="ttc" id="lua_8h_html"><div class="ttname"><a href="lua_8h.html">lua.h</a></div><div class="ttdoc">C++11 header only interface to easily interact with Lua and Torch. This code is evolved from torch pl...</div></div> |
| <div class="ttc" id="namespacemxnet_1_1runtime_1_1detail_html_a1b6c8e3078e90d6b65152f673cfacb9f"><div class="ttname"><a href="namespacemxnet_1_1runtime_1_1detail.html#a1b6c8e3078e90d6b65152f673cfacb9f">mxnet::runtime::detail::for_each</a></div><div class="ttdeci">void for_each(const F &f, Args &&... args)</div><div class="ttdef"><b>Definition:</b> packed_func.h:974</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_a5eaebefa148bfd110e3c50b45154b221"><div class="ttname"><a href="classdmlc_1_1LuaState.html#a5eaebefa148bfd110e3c50b45154b221">dmlc::LuaState::ThreadLocalState</a></div><div class="ttdeci">static LuaState * ThreadLocalState()</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_acff2a74578e591476dc2be889c7a4d4e"><div class="ttname"><a href="classdmlc_1_1LuaState.html#acff2a74578e591476dc2be889c7a4d4e">dmlc::LuaState::SetGlobalField</a></div><div class="ttdeci">void SetGlobalField(const std::string &key, const LuaRef &value)</div><div class="ttdoc">Set the value to the global table. </div></div> |
| <div class="ttc" id="classdmlc_1_1LuaRef_html_ad23fff4bb8e821afb892c144c7f1ce5d"><div class="ttname"><a href="classdmlc_1_1LuaRef.html#ad23fff4bb8e821afb892c144c7f1ce5d">dmlc::LuaRef::LuaRef</a></div><div class="ttdeci">LuaRef()=default</div><div class="ttdoc">construct an nil ref </div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_a00653ef79293ad2e4797326295028ce7a6480c008fb889ce1b21c7a9180f993b2"><div class="ttname"><a href="classdmlc_1_1LuaState.html#a00653ef79293ad2e4797326295028ce7a6480c008fb889ce1b21c7a9180f993b2">dmlc::LuaState::kNoThreadProtect</a></div><div class="ttdef"><b>Definition:</b> lua.h:177</div></div> |
| <div class="ttc" id="3rdparty_2dmlc-core_2include_2dmlc_2base_8h_html"><div class="ttname"><a href="3rdparty_2dmlc-core_2include_2dmlc_2base_8h.html">base.h</a></div></div> |
| <div class="ttc" id="classdmlc_1_1LuaRef_html_acf490ec150141576d8cad9da826d8a0c"><div class="ttname"><a href="classdmlc_1_1LuaRef.html#acf490ec150141576d8cad9da826d8a0c">dmlc::LuaRef::operator[]</a></div><div class="ttdeci">LuaRef operator[](const std::string &key) const</div><div class="ttdoc">Get field from the lua table. The reference must be a table. </div></div> |
| <div class="ttc" id="namespacedmlc_html_acf31f99192b5ed0d5d77398d58023912"><div class="ttname"><a href="namespacedmlc.html#acf31f99192b5ed0d5d77398d58023912">dmlc::operator<<</a></div><div class="ttdeci">std::ostream & operator<<(std::ostream &os, const optional< T > &t)</div><div class="ttdoc">serialize an optional object to string. </div><div class="ttdef"><b>Definition:</b> optional.h:151</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaRef_html_a4767414e9463eeb59728b65babed6cf6"><div class="ttname"><a href="classdmlc_1_1LuaRef.html#a4767414e9463eeb59728b65babed6cf6">dmlc::LuaRef::operator=</a></div><div class="ttdeci">LuaRef & operator=(LuaRef &&other)</div><div class="ttdoc">assign operator from other </div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_a1734dbf3c2f3f036773a7a257de055aa"><div class="ttname"><a href="classdmlc_1_1LuaState.html#a1734dbf3c2f3f036773a7a257de055aa">dmlc::LuaState::~LuaState</a></div><div class="ttdeci">~LuaState()</div><div class="ttdoc">destructor </div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html"><div class="ttname"><a href="classdmlc_1_1LuaState.html">dmlc::LuaState</a></div><div class="ttdoc">A Lua state. </div><div class="ttdef"><b>Definition:</b> lua.h:173</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_aa745e60787db0b7d33894bb234352a19"><div class="ttname"><a href="classdmlc_1_1LuaState.html#aa745e60787db0b7d33894bb234352a19">dmlc::LuaState::mutex_</a></div><div class="ttdeci">std::mutex mutex_</div><div class="ttdoc">internal lock about the state </div><div class="ttdef"><b>Definition:</b> lua.h:282</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_a0d19f8d8507c33502ce4c00e1b1e5134"><div class="ttname"><a href="classdmlc_1_1LuaState.html#a0d19f8d8507c33502ce4c00e1b1e5134">dmlc::LuaState::Eval</a></div><div class="ttdeci">LuaRef Eval(const char *lua_code)</div><div class="ttdoc">evaluate a piece of lua code, return the first result. </div></div> |
| <div class="ttc" id="classdmlc_1_1LuaRef_html_a500b446e89436303fbdf50af76c78308"><div class="ttname"><a href="classdmlc_1_1LuaRef.html#a500b446e89436303fbdf50af76c78308">dmlc::LuaRef::swap</a></div><div class="ttdeci">void swap(LuaRef &other)</div><div class="ttdoc">swap content with another ref </div></div> |
| <div class="ttc" id="classdmlc_1_1LuaRef_html"><div class="ttname"><a href="classdmlc_1_1LuaRef.html">dmlc::LuaRef</a></div><div class="ttdoc">an reference to lua object </div><div class="ttdef"><b>Definition:</b> lua.h:64</div></div> |
| <div class="ttc" id="classdmlc_1_1LuaState_html_ad9140fd83d79254f4a5f06e136f05602"><div class="ttname"><a href="classdmlc_1_1LuaState.html#ad9140fd83d79254f4a5f06e136f05602">dmlc::LuaState::operator[]</a></div><div class="ttdeci">LuaRef operator[](const std::string &key)</div><div class="ttdoc">get global field from the state </div></div> |
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