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 <span id="projectnumber">0.4</span>
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<a href="#func-members">Functions</a> </div>
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<div class="title">anonymous_namespace{state.cpp} Namespace Reference</div> </div>
</div><!--header-->
<div class="contents">
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ac895a6a4aab5ec5597bdfb62adf0f85c"><td class="memItemLeft" align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00033.html#ac895a6a4aab5ec5597bdfb62adf0f85c">protected_getglobal</a> (lua_State *state)</td></tr>
<tr class="memdesc:ac895a6a4aab5ec5597bdfb62adf0f85c"><td class="mdescLeft"> </td><td class="mdescRight">Wrapper around lua_getglobal to run in a protected environment. <a href="#ac895a6a4aab5ec5597bdfb62adf0f85c"></a><br/></td></tr>
<tr class="memitem:a901e28feef6c6a7c94edf906139464a4"><td class="memItemLeft" align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00033.html#a901e28feef6c6a7c94edf906139464a4">protected_gettable</a> (lua_State *state)</td></tr>
<tr class="memdesc:a901e28feef6c6a7c94edf906139464a4"><td class="mdescLeft"> </td><td class="mdescRight">Wrapper around lua_gettable to run in a protected environment. <a href="#a901e28feef6c6a7c94edf906139464a4"></a><br/></td></tr>
<tr class="memitem:a8163cc0f7d5dfba820e335e02769bd91"><td class="memItemLeft" align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00033.html#a8163cc0f7d5dfba820e335e02769bd91">protected_next</a> (lua_State *state)</td></tr>
<tr class="memdesc:a8163cc0f7d5dfba820e335e02769bd91"><td class="mdescLeft"> </td><td class="mdescRight">Wrapper around lua_next to run in a protected environment. <a href="#a8163cc0f7d5dfba820e335e02769bd91"></a><br/></td></tr>
<tr class="memitem:a931ec64a97c5b8ff24bd12b1318c4bf5"><td class="memItemLeft" align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00033.html#a931ec64a97c5b8ff24bd12b1318c4bf5">protected_setglobal</a> (lua_State *state)</td></tr>
<tr class="memdesc:a931ec64a97c5b8ff24bd12b1318c4bf5"><td class="mdescLeft"> </td><td class="mdescRight">Wrapper around lua_setglobal to run in a protected environment. <a href="#a931ec64a97c5b8ff24bd12b1318c4bf5"></a><br/></td></tr>
<tr class="memitem:a42654c15fd147850ad03cd891d1d7193"><td class="memItemLeft" align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00033.html#a42654c15fd147850ad03cd891d1d7193">protected_settable</a> (lua_State *state)</td></tr>
<tr class="memdesc:a42654c15fd147850ad03cd891d1d7193"><td class="mdescLeft"> </td><td class="mdescRight">Wrapper around lua_settable to run in a protected environment. <a href="#a42654c15fd147850ad03cd891d1d7193"></a><br/></td></tr>
<tr class="memitem:ac12be03daffcd5d46ac51da378577e51"><td class="memItemLeft" align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00033.html#ac12be03daffcd5d46ac51da378577e51">call_cxx_function_from_c</a> (lutok::cxx_function function, lua_State *raw_state) throw ()</td></tr>
<tr class="memdesc:ac12be03daffcd5d46ac51da378577e51"><td class="mdescLeft"> </td><td class="mdescRight">Calls a C++ Lua function from a C calling environment. <a href="#ac12be03daffcd5d46ac51da378577e51"></a><br/></td></tr>
<tr class="memitem:a86e6a7c405a8feea00907b99c4d084ca"><td class="memItemLeft" align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00033.html#a86e6a7c405a8feea00907b99c4d084ca">cxx_closure_trampoline</a> (lua_State *raw_state)</td></tr>
<tr class="memdesc:a86e6a7c405a8feea00907b99c4d084ca"><td class="mdescLeft"> </td><td class="mdescRight">Lua glue to call a C++ closure. <a href="#a86e6a7c405a8feea00907b99c4d084ca"></a><br/></td></tr>
<tr class="memitem:af3c459196ed8b373a8376b5abeedd472"><td class="memItemLeft" align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00033.html#af3c459196ed8b373a8376b5abeedd472">cxx_function_trampoline</a> (lua_State *raw_state)</td></tr>
<tr class="memdesc:af3c459196ed8b373a8376b5abeedd472"><td class="mdescLeft"> </td><td class="mdescRight">Lua glue to call a C++ function. <a href="#af3c459196ed8b373a8376b5abeedd472"></a><br/></td></tr>
</table>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ac12be03daffcd5d46ac51da378577e51"></a>
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<div class="memproto">
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<td class="memname">static int anonymous_namespace{state.cpp}::call_cxx_function_from_c </td>
<td>(</td>
<td class="paramtype">lutok::cxx_function </td>
<td class="paramname"><em>function</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">lua_State * </td>
<td class="paramname"><em>raw_state</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> throw ()</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Calls a C++ Lua function from a C calling environment. </p>
<p>Any errors reported by the C++ function are caught and reported to the caller as Lua errors.</p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">function</td><td>The C++ function to call. </td></tr>
<tr><td class="paramname">raw_state</td><td>The raw Lua state.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns:</dt><dd>The number of return values pushed onto the Lua stack by the function. </dd></dl>
</div>
</div>
<a class="anchor" id="a86e6a7c405a8feea00907b99c4d084ca"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
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<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">static int anonymous_namespace{state.cpp}::cxx_closure_trampoline </td>
<td>(</td>
<td class="paramtype">lua_State * </td>
<td class="paramname"><em>raw_state</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Lua glue to call a C++ closure. </p>
<p>This Lua binding is actually a closure that we have constructed from the state.push_cxx_closure() method. The closure contains the same upvalues provided by the user plus an extra upvalue that contains the address of the C++ function we have to call. All we do here is safely delegate the execution to the wrapped C++ closure.</p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">raw_state</td><td>The Lua C API state.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns:</dt><dd>The number of return values of the called closure. </dd></dl>
</div>
</div>
<a class="anchor" id="af3c459196ed8b373a8376b5abeedd472"></a>
<div class="memitem">
<div class="memproto">
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<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">static int anonymous_namespace{state.cpp}::cxx_function_trampoline </td>
<td>(</td>
<td class="paramtype">lua_State * </td>
<td class="paramname"><em>raw_state</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Lua glue to call a C++ function. </p>
<p>This Lua binding is actually a closure that we have constructed from the state.push_cxx_function() method. The closure has a single upvalue that contains the address of the C++ function we have to call. All we do here is safely delegate the execution to the wrapped C++ function.</p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">raw_state</td><td>The Lua C API state.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns:</dt><dd>The number of return values of the called function. </dd></dl>
</div>
</div>
<a class="anchor" id="ac895a6a4aab5ec5597bdfb62adf0f85c"></a>
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<td class="memname">static int anonymous_namespace{state.cpp}::protected_getglobal </td>
<td>(</td>
<td class="paramtype">lua_State * </td>
<td class="paramname"><em>state</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Wrapper around lua_getglobal to run in a protected environment. </p>
<dl class="section pre"><dt>Precondition:</dt><dd>stack(-1) is the name of the global to get. </dd></dl>
<dl class="section post"><dt>Postcondition:</dt><dd>stack(-1) is the value of the global.</dd></dl>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">state</td><td>The Lua C API state.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns:</dt><dd>The number of return values pushed onto the stack. </dd></dl>
</div>
</div>
<a class="anchor" id="a901e28feef6c6a7c94edf906139464a4"></a>
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<td class="memname">static int anonymous_namespace{state.cpp}::protected_gettable </td>
<td>(</td>
<td class="paramtype">lua_State * </td>
<td class="paramname"><em>state</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Wrapper around lua_gettable to run in a protected environment. </p>
<dl class="section pre"><dt>Precondition:</dt><dd>stack(-2) is the table to get the element from. </dd>
<dd>
stack(-1) is the table index. </dd></dl>
<dl class="section post"><dt>Postcondition:</dt><dd>stack(-1) is the value of stack(-2)[stack(-1)].</dd></dl>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">state</td><td>The Lua C API state.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns:</dt><dd>The number of return values pushed onto the stack. </dd></dl>
</div>
</div>
<a class="anchor" id="a8163cc0f7d5dfba820e335e02769bd91"></a>
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<td class="memname">static int anonymous_namespace{state.cpp}::protected_next </td>
<td>(</td>
<td class="paramtype">lua_State * </td>
<td class="paramname"><em>state</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Wrapper around lua_next to run in a protected environment. </p>
<dl class="section pre"><dt>Precondition:</dt><dd>stack(-2) is the table to get the next element from. </dd>
<dd>
stack(-1) is the last processed key. </dd></dl>
<dl class="section post"><dt>Postcondition:</dt><dd>stack(-1) is the value of next(stack(-2), stack(-1)).</dd></dl>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">state</td><td>The Lua C API state.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns:</dt><dd>The number of return values pushed onto the stack. </dd></dl>
</div>
</div>
<a class="anchor" id="a931ec64a97c5b8ff24bd12b1318c4bf5"></a>
<div class="memitem">
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<td class="memname">static int anonymous_namespace{state.cpp}::protected_setglobal </td>
<td>(</td>
<td class="paramtype">lua_State * </td>
<td class="paramname"><em>state</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Wrapper around lua_setglobal to run in a protected environment. </p>
<dl class="section pre"><dt>Precondition:</dt><dd>stack(-2) is the name of the global to set. </dd>
<dd>
stack(-1) is the value to set the global to.</dd></dl>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">state</td><td>The Lua C API state.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns:</dt><dd>The number of return values pushed onto the stack. </dd></dl>
</div>
</div>
<a class="anchor" id="a42654c15fd147850ad03cd891d1d7193"></a>
<div class="memitem">
<div class="memproto">
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<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">static int anonymous_namespace{state.cpp}::protected_settable </td>
<td>(</td>
<td class="paramtype">lua_State * </td>
<td class="paramname"><em>state</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Wrapper around lua_settable to run in a protected environment. </p>
<dl class="section pre"><dt>Precondition:</dt><dd>stack(-3) is the table to set the element into. </dd>
<dd>
stack(-2) is the table index. </dd>
<dd>
stack(-1) is the value to set.</dd></dl>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">state</td><td>The Lua C API state.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns:</dt><dd>The number of return values pushed onto the stack. </dd></dl>
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