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<h1>antlr/ASTRefCount.hpp</h1> </div>
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<a href="ASTRefCount_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef INC_ASTRefCount_hpp__</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor"># define INC_ASTRefCount_hpp__</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span>
<a name="l00004"></a>00004 <span class="comment">/* ANTLR Translator Generator</span>
<a name="l00005"></a>00005 <span class="comment"> * Project led by Terence Parr at http://www.jGuru.com</span>
<a name="l00006"></a>00006 <span class="comment"> * Software rights: http://www.antlr.org/license.html</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * $Id: //depot/code/org.antlr/release/antlr-2.7.7/lib/cpp/antlr/ASTRefCount.hpp#2 $</span>
<a name="l00009"></a>00009 <span class="comment"> */</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="preprocessor"># include <antlr/config.hpp></span>
<a name="l00012"></a>00012
<a name="l00013"></a>00013 <span class="preprocessor">#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="keyword">namespace </span>antlr {
<a name="l00015"></a>00015 <span class="preprocessor">#endif</span>
<a name="l00016"></a>00016 <span class="preprocessor"></span>
<a name="l00017"></a>00017 <span class="keyword">class </span><a class="code" href="classAST.html">AST</a>;
<a name="l00018"></a>00018
<a name="l00019"></a><a class="code" href="structASTRef.html">00019</a> <span class="keyword">struct </span><a class="code" href="config_8hpp.html#ad583892c7af76867441115e41aa1ce52">ANTLR_API</a> <a class="code" href="structASTRef.html">ASTRef</a>
<a name="l00020"></a>00020 {
<a name="l00021"></a><a class="code" href="structASTRef.html#a10c3e8f3fc4bae37aba9f6a642583b89">00021</a> <a class="code" href="classAST.html">AST</a>* <span class="keyword">const</span> <a class="code" href="structASTRef.html#a10c3e8f3fc4bae37aba9f6a642583b89">ptr</a>;
<a name="l00022"></a><a class="code" href="structASTRef.html#a28e52e59a54e707c76f1fdba2ae6cf0f">00022</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structASTRef.html#a28e52e59a54e707c76f1fdba2ae6cf0f">count</a>;
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <a class="code" href="structASTRef.html">ASTRef</a>(<a class="code" href="classAST.html">AST</a>* p);
<a name="l00025"></a>00025 ~<a class="code" href="structASTRef.html">ASTRef</a>();
<a name="l00026"></a><a class="code" href="structASTRef.html#ada4522ea4201952e6d53e1cb9e656b8e">00026</a> <a class="code" href="structASTRef.html">ASTRef</a>* increment()
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028 ++count;
<a name="l00029"></a>00029 <span class="keywordflow">return</span> <span class="keyword">this</span>;
<a name="l00030"></a>00030 }
<a name="l00031"></a><a class="code" href="structASTRef.html#a1ce0da7aeab8e05d49bc967befb6951b">00031</a> <span class="keywordtype">bool</span> decrement()
<a name="l00032"></a>00032 {
<a name="l00033"></a>00033 <span class="keywordflow">return</span> (--count==0);
<a name="l00034"></a>00034 }
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keyword">static</span> <a class="code" href="structASTRef.html">ASTRef</a>* getRef(<span class="keyword">const</span> <a class="code" href="classAST.html">AST</a>* p);
<a name="l00037"></a>00037 <span class="keyword">private</span>:
<a name="l00038"></a>00038 <a class="code" href="structASTRef.html">ASTRef</a>( <span class="keyword">const</span> <a class="code" href="structASTRef.html">ASTRef</a>& );
<a name="l00039"></a>00039 <a class="code" href="structASTRef.html">ASTRef</a>& operator=( <span class="keyword">const</span> <a class="code" href="structASTRef.html">ASTRef</a>& );
<a name="l00040"></a>00040 };
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="keyword">template</span><<span class="keyword">class</span> T>
<a name="l00043"></a><a class="code" href="classASTRefCount.html">00043</a> <span class="keyword">class </span><a class="code" href="config_8hpp.html#ad583892c7af76867441115e41aa1ce52">ANTLR_API</a> <a class="code" href="classASTRefCount.html">ASTRefCount</a>
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045 <span class="keyword">private</span>:
<a name="l00046"></a><a class="code" href="classASTRefCount.html#a57ebfcef5838bff839049d1b2ed16df3">00046</a> <a class="code" href="structASTRef.html">ASTRef</a>* <a class="code" href="classASTRefCount.html#a57ebfcef5838bff839049d1b2ed16df3">ref</a>;
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keyword">public</span>:
<a name="l00049"></a><a class="code" href="classASTRefCount.html#ab7c755df93eda89c550ace2cf4b1dbd5">00049</a> <a class="code" href="classASTRefCount.html">ASTRefCount</a>(<span class="keyword">const</span> <a class="code" href="classAST.html">AST</a>* p=0)
<a name="l00050"></a>00050 : ref(p ? <a class="code" href="structASTRef.html">ASTRef</a>::getRef(p) : 0)
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 }
<a name="l00053"></a><a class="code" href="classASTRefCount.html#a1bff3dfd0ee4d153ae64df57e4f196c8">00053</a> <a class="code" href="classASTRefCount.html">ASTRefCount</a>(<span class="keyword">const</span> <a class="code" href="classASTRefCount.html">ASTRefCount<T></a>& other)
<a name="l00054"></a>00054 : ref(other.ref ? other.ref->increment() : 0)
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 }
<a name="l00057"></a><a class="code" href="classASTRefCount.html#a97eeec4e5a8744a133498be5396e1681">00057</a> ~<a class="code" href="classASTRefCount.html">ASTRefCount</a>()
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 <span class="keywordflow">if</span> (ref && ref->decrement())
<a name="l00060"></a>00060 <span class="keyword">delete</span> ref;
<a name="l00061"></a>00061 }
<a name="l00062"></a><a class="code" href="classASTRefCount.html#a8bd9efd16d3526a5c922f5bbac83f06c">00062</a> <a class="code" href="classASTRefCount.html">ASTRefCount<T></a>& operator=(<a class="code" href="classAST.html">AST</a>* other)
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 <a class="code" href="structASTRef.html">ASTRef</a>* tmp = <a class="code" href="structASTRef.html#a48fceba6cc8a36ca0bb12e25ed042223">ASTRef::getRef</a>(other);
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keywordflow">if</span> (ref && ref->decrement())
<a name="l00067"></a>00067 <span class="keyword">delete</span> ref;
<a name="l00068"></a>00068
<a name="l00069"></a>00069 ref=tmp;
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00072"></a>00072 }
<a name="l00073"></a><a class="code" href="classASTRefCount.html#a75c94d6f80c29a5f2ffc29af4c7a35cb">00073</a> <a class="code" href="classASTRefCount.html">ASTRefCount<T></a>& operator=(<span class="keyword">const</span> <a class="code" href="classASTRefCount.html">ASTRefCount<T></a>& other)
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 <span class="keywordflow">if</span>( other.<a class="code" href="classASTRefCount.html#a57ebfcef5838bff839049d1b2ed16df3">ref</a> != ref )
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077 <a class="code" href="structASTRef.html">ASTRef</a>* tmp = other.<a class="code" href="classASTRefCount.html#a57ebfcef5838bff839049d1b2ed16df3">ref</a> ? other.<a class="code" href="classASTRefCount.html#a57ebfcef5838bff839049d1b2ed16df3">ref</a>-><a class="code" href="structASTRef.html#ada4522ea4201952e6d53e1cb9e656b8e">increment</a>() : 0;
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keywordflow">if</span> (ref && ref->decrement())
<a name="l00080"></a>00080 <span class="keyword">delete</span> ref;
<a name="l00081"></a>00081
<a name="l00082"></a>00082 ref=tmp;
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086
<a name="l00087"></a><a class="code" href="classASTRefCount.html#a9de6bd54ae70659df8d6dd2155e7171d">00087</a> operator T* ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> ref ? <span class="keyword">static_cast<</span>T*<span class="keyword">></span>(ref->ptr) : 0; }
<a name="l00088"></a><a class="code" href="classASTRefCount.html#a48a25dedcd7efb3eac5064e2fdd731fb">00088</a> T* <a class="code" href="classASTRefCount.html#a48a25dedcd7efb3eac5064e2fdd731fb">operator-></a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> ref ? <span class="keyword">static_cast<</span>T*<span class="keyword">></span>(ref->ptr) : 0; }
<a name="l00089"></a><a class="code" href="classASTRefCount.html#a2d120393104100fc4784af680802876d">00089</a> T* <span class="keyword">get</span>() <span class="keyword">const</span> { <span class="keywordflow">return</span> ref ? <span class="keyword">static_cast<</span>T*<span class="keyword">></span>(ref->ptr) : 0; }
<a name="l00090"></a>00090 };
<a name="l00091"></a>00091
<a name="l00092"></a><a class="code" href="ASTRefCount_8hpp.html#a25b300faa8730e33c35b83c55afd2596">00092</a> <span class="keyword">typedef</span> <a class="code" href="classASTRefCount.html">ASTRefCount<AST></a> <a class="code" href="ASTRefCount_8hpp.html#a25b300faa8730e33c35b83c55afd2596">RefAST</a>;
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="preprocessor">#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE</span>
<a name="l00095"></a>00095 <span class="preprocessor"></span>}
<a name="l00096"></a>00096 <span class="preprocessor">#endif</span>
<a name="l00097"></a>00097 <span class="preprocessor"></span>
<a name="l00098"></a>00098 <span class="preprocessor">#endif //INC_ASTRefCount_hpp__</span>
</pre></div></div>
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