<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
<title>rpm: lua/lparser.h Source File</title>
<link href="doxygen.css" rel="stylesheet" type="text/css">
<link href="tabs.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.4.7 -->
<div class="tabs">
<ul>
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="annotated.html"><span>Data Structures</span></a></li>
<li id="current"><a href="files.html"><span>Files</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
</ul></div>
<div class="tabs">
<ul>
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>Globals</span></a></li>
</ul></div>
<h1>lua/lparser.h</h1><a href="lparser_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment">** $Id: lparser.h,v 1.2 2004/03/23 05:09:14 jbj Exp $</span>
<a name="l00003"></a>00003 <span class="comment">** Lua Parser</span>
<a name="l00004"></a>00004 <span class="comment">** See Copyright Notice in lua.h</span>
<a name="l00005"></a>00005 <span class="comment">*/</span>
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="preprocessor">#ifndef lparser_h</span>
<a name="l00008"></a>00008 <span class="preprocessor"></span><span class="preprocessor">#define lparser_h</span>
<a name="l00009"></a>00009 <span class="preprocessor"></span>
<a name="l00010"></a>00010 <span class="preprocessor">#include "<a class="code" href="llimits_8h.html">llimits.h</a>"</span>
<a name="l00011"></a>00011 <span class="preprocessor">#include "<a class="code" href="lobject_8h.html">lobject.h</a>"</span>
<a name="l00012"></a>00012 <span class="preprocessor">#include "<a class="code" href="ltable_8h.html">ltable.h</a>"</span>
<a name="l00013"></a>00013 <span class="preprocessor">#include "<a class="code" href="lzio_8h.html">lzio.h</a>"</span>
<a name="l00014"></a>00014
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="comment">/*</span>
<a name="l00017"></a>00017 <span class="comment">** Expression descriptor</span>
<a name="l00018"></a>00018 <span class="comment">*/</span>
<a name="l00019"></a>00019
<a name="l00020"></a><a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4e">00020</a> <span class="keyword">typedef</span> <span class="keyword">enum</span> {
<a name="l00021"></a>00021 <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4ee4dbae7b833ca72c63360ec7be904fa6">VVOID</a>, <span class="comment">/* no value */</span>
<a name="l00022"></a>00022 <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4e47eb055b6420db339de283cef27ad5d8">VNIL</a>,
<a name="l00023"></a>00023 <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4e1228eca4fdc8e7643d18155507942482">VTRUE</a>,
<a name="l00024"></a>00024 <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4e21820bf1e2c58882ffeb34849972ecaa">VFALSE</a>,
<a name="l00025"></a>00025 <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4ef926040fb3c22e9456f27b78e4ad19d2">VK</a>, <span class="comment">/* info = index of constant in `k' */</span>
<a name="l00026"></a>00026 <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4ed8fc7331fa6e500f522f9f3334f14567">VLOCAL</a>, <span class="comment">/* info = local register */</span>
<a name="l00027"></a>00027 <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4e8ebb62b5889a955b7e4dd1c5b169b38f">VUPVAL</a>, <span class="comment">/* info = index of upvalue in `upvalues' */</span>
<a name="l00028"></a>00028 <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4e0abe25efc118cf90d3c5c7ce4404a650">VGLOBAL</a>, <span class="comment">/* info = index of table; aux = index of global name in `k' */</span>
<a name="l00029"></a>00029 <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4eb1cb541b6c8f3a5f03b17184a2facc85">VINDEXED</a>, <span class="comment">/* info = table register; aux = index register (or `k') */</span>
<a name="l00030"></a>00030 <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4ed1066918edd602fb0577c9f58ced173c">VJMP</a>, <span class="comment">/* info = instruction pc */</span>
<a name="l00031"></a>00031 <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4ec30b9bfe6117f51f4d133e9a7ff3c50f">VRELOCABLE</a>, <span class="comment">/* info = instruction pc */</span>
<a name="l00032"></a>00032 <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4ea7be620e4921ca3142b792f4bb0a98be">VNONRELOC</a>, <span class="comment">/* info = result register */</span>
<a name="l00033"></a>00033 <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4ee61a8c04cfeabd756694cd13774e47b7">VCALL</a> <span class="comment">/* info = result register */</span>
<a name="l00034"></a>00034 } <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4e">expkind</a>;
<a name="l00035"></a>00035
<a name="l00036"></a><a class="code" href="structexpdesc.html">00036</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structexpdesc.html">expdesc</a> {
<a name="l00037"></a><a class="code" href="structexpdesc.html#e74b3577aad7833518986edca3db242c">00037</a> <a class="code" href="lparser_8h.html#ecced501a9387ab3e6e50a9834615d4e">expkind</a> <a class="code" href="structexpdesc.html#e74b3577aad7833518986edca3db242c">k</a>;
<a name="l00038"></a><a class="code" href="structexpdesc.html#0b2f77c33e2412d54ec90f71030121e2">00038</a> <span class="keywordtype">int</span> <a class="code" href="structexpdesc.html#0b2f77c33e2412d54ec90f71030121e2">info</a>, <a class="code" href="structexpdesc.html#ee6d3655f715c8858c97957bd28710b7">aux</a>;
<a name="l00039"></a><a class="code" href="structexpdesc.html#406e85dd954d4a5cec0c0f4a73e519bf">00039</a> <span class="keywordtype">int</span> <a class="code" href="structexpdesc.html#406e85dd954d4a5cec0c0f4a73e519bf">t</a>; <span class="comment">/* patch list of `exit when true' */</span>
<a name="l00040"></a><a class="code" href="structexpdesc.html#fe6e22f2c18d75bc97add0e1f62e93e2">00040</a> <span class="keywordtype">int</span> <a class="code" href="structexpdesc.html#fe6e22f2c18d75bc97add0e1f62e93e2">f</a>; <span class="comment">/* patch list of `exit when false' */</span>
<a name="l00041"></a>00041 } <a class="code" href="structexpdesc.html">expdesc</a>;
<a name="l00042"></a>00042
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keyword">struct </span><a class="code" href="structBlockCnt.html">BlockCnt</a>; <span class="comment">/* defined in lparser.c */</span>
<a name="l00045"></a>00045
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="comment">/* state needed to generate code for a given function */</span>
<a name="l00048"></a><a class="code" href="structFuncState.html">00048</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structFuncState.html">FuncState</a> {
<a name="l00049"></a>00049 <span class="comment">/*@null@*/</span>
<a name="l00050"></a><a class="code" href="structFuncState.html#9eb5835ecb89505391ace26565f4f805">00050</a> <a class="code" href="structProto.html">Proto</a> *<a class="code" href="structFuncState.html#9eb5835ecb89505391ace26565f4f805">f</a>; <span class="comment">/* current function header */</span>
<a name="l00051"></a>00051 <span class="comment">/*@null@*/</span>
<a name="l00052"></a><a class="code" href="structFuncState.html#e7b55ecdb6da87cd03c3bc0e069b4824">00052</a> <a class="code" href="structTable.html">Table</a> *<a class="code" href="structFuncState.html#e7b55ecdb6da87cd03c3bc0e069b4824">h</a>; <span class="comment">/* table to find (and reuse) elements in `k' */</span>
<a name="l00053"></a>00053 <span class="comment">/*@null@*/</span>
<a name="l00054"></a><a class="code" href="structFuncState.html#ef40521f156a3aceaec2a431a3ba8df0">00054</a> <span class="keyword">struct </span><a class="code" href="structFuncState.html">FuncState</a> *<a class="code" href="structFuncState.html#ef40521f156a3aceaec2a431a3ba8df0">prev</a>; <span class="comment">/* enclosing function */</span>
<a name="l00055"></a><a class="code" href="structFuncState.html#f0b246751acfbdec5bebc850e9e3217a">00055</a> <span class="keyword">struct </span><a class="code" href="structLexState.html">LexState</a> *<a class="code" href="structFuncState.html#f0b246751acfbdec5bebc850e9e3217a">ls</a>; <span class="comment">/* lexical state */</span>
<a name="l00056"></a><a class="code" href="structFuncState.html#3170156e1a6e65dad01248dec4369019">00056</a> <span class="keyword">struct </span><a class="code" href="structlua__State.html">lua_State</a> *<a class="code" href="structFuncState.html#3170156e1a6e65dad01248dec4369019">L</a>; <span class="comment">/* copy of the Lua state */</span>
<a name="l00057"></a>00057 <span class="comment">/*@null@*/</span>
<a name="l00058"></a><a class="code" href="structFuncState.html#43d13c83a7d67d08a48dcc4ad41c2236">00058</a> <span class="keyword">struct </span><a class="code" href="structBlockCnt.html">BlockCnt</a> *<a class="code" href="structFuncState.html#43d13c83a7d67d08a48dcc4ad41c2236">bl</a>; <span class="comment">/* chain of current blocks */</span>
<a name="l00059"></a><a class="code" href="structFuncState.html#b2fe1df83ece8a6ca9e5cd70859a7b14">00059</a> <span class="keywordtype">int</span> <a class="code" href="structFuncState.html#b2fe1df83ece8a6ca9e5cd70859a7b14">pc</a>; <span class="comment">/* next position to code (equivalent to `ncode') */</span>
<a name="l00060"></a><a class="code" href="structFuncState.html#f20e4cc7f98b798b5319e4015c7ccb04">00060</a> <span class="keywordtype">int</span> <a class="code" href="structFuncState.html#f20e4cc7f98b798b5319e4015c7ccb04">lasttarget</a>; <span class="comment">/* `pc' of last `jump target' */</span>
<a name="l00061"></a><a class="code" href="structFuncState.html#2a285dc08e7061e4d9f101169aae97d9">00061</a> <span class="keywordtype">int</span> <a class="code" href="structFuncState.html#2a285dc08e7061e4d9f101169aae97d9">jpc</a>; <span class="comment">/* list of pending jumps to `pc' */</span>
<a name="l00062"></a><a class="code" href="structFuncState.html#7aa8e95d81f43a4956986d4fc772bbf1">00062</a> <span class="keywordtype">int</span> <a class="code" href="structFuncState.html#7aa8e95d81f43a4956986d4fc772bbf1">freereg</a>; <span class="comment">/* first free register */</span>
<a name="l00063"></a><a class="code" href="structFuncState.html#51f2362dabbe7e117feb2f059253a01b">00063</a> <span class="keywordtype">int</span> <a class="code" href="structFuncState.html#51f2362dabbe7e117feb2f059253a01b">nk</a>; <span class="comment">/* number of elements in `k' */</span>
<a name="l00064"></a><a class="code" href="structFuncState.html#a6952cddc83bd271703e1458d012d67d">00064</a> <span class="keywordtype">int</span> <a class="code" href="structFuncState.html#a6952cddc83bd271703e1458d012d67d">np</a>; <span class="comment">/* number of elements in `p' */</span>
<a name="l00065"></a><a class="code" href="structFuncState.html#be0934ba52669d548c290ac07972cce5">00065</a> <span class="keywordtype">int</span> <a class="code" href="structFuncState.html#be0934ba52669d548c290ac07972cce5">nlocvars</a>; <span class="comment">/* number of elements in `locvars' */</span>
<a name="l00066"></a><a class="code" href="structFuncState.html#3ff28e2d483d4f2a1f07687b5c16d6bd">00066</a> <span class="keywordtype">int</span> <a class="code" href="structFuncState.html#3ff28e2d483d4f2a1f07687b5c16d6bd">nactvar</a>; <span class="comment">/* number of active local variables */</span>
<a name="l00067"></a><a class="code" href="structFuncState.html#5a176797d0d22ca87d5a5ee234510dab">00067</a> <a class="code" href="structexpdesc.html">expdesc</a> <a class="code" href="structFuncState.html#5a176797d0d22ca87d5a5ee234510dab">upvalues</a>[<a class="code" href="llimits_8h.html#4f894ed3a3712e01f74b1a9616bad4a3">MAXUPVALUES</a>]; <span class="comment">/* upvalues */</span>
<a name="l00068"></a><a class="code" href="structFuncState.html#79d9239a294473f7be87ec128cffdc80">00068</a> <span class="keywordtype">int</span> <a class="code" href="structFuncState.html#79d9239a294473f7be87ec128cffdc80">actvar</a>[<a class="code" href="llimits_8h.html#0879a0e632584a9a8bee5ebffab571ca">MAXVARS</a>]; <span class="comment">/* declared-variable stack */</span>
<a name="l00069"></a>00069 } <a class="code" href="structFuncState.html">FuncState</a>;
<a name="l00070"></a>00070
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <a class="code" href="structProto.html">Proto</a> *<a class="code" href="lparser_8c.html#aa98e27fe5d40eaf8b5c5d35822fb91f">luaY_parser</a> (<a class="code" href="structlua__State.html">lua_State</a> *L, <a class="code" href="structZio.html">ZIO</a> *z, <a class="code" href="structMbuffer.html">Mbuffer</a> *buff)
<a name="l00073"></a>00073 <span class="comment">/*@modifies L, z @*/</span>;
<a name="l00074"></a>00074
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="preprocessor">#endif</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on 1 Oct 2013 for rpm by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.7 </small></address>
</body>
</html>
