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List: groovy-scm
Subject: [groovy-scm] [jira] (GROOVY-4993) @Cached AST Transformation for Methods
From: "Andrey Bloschetsov (JIRA)" <jira () codehaus ! org>
Date: 2013-03-29 12:24:54
Message-ID: JIRA.128947.1314707180607.12525.1364559894316 () codehaus01 ! managed ! contegix ! com
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style="color:#005500;">Andrey Bloschetsov</a> edited a comment on <img \
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width="16" border="0" align="absmiddle" alt="New Feature"> <a \
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href='https://jira.codehaus.org/browse/GROOVY-4993'>GROOVY-4993</a> </div>
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href='https://jira.codehaus.org/browse/GROOVY-4993'><strong>@Cached AST \
Transformation for Methods</strong></a> </div>
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0 16px 0;width:100%;"> <div class="comment-block" \
style="background-color:#edf5ff;border:1px solid \
#dddddd;color:#000000;padding:12px;"><p>The main points of the implementation:</p> \
<ul class="alternate" type="square"> <li>Annotation name is Memoized;</li>
<li>Sketch of ASTTransformation implementation:
<div class="code panel" style="border-width: 1px;"><div class="codeContent \
panelContent"> <pre class="code-java">
<span class="code-keyword">public</span> void visit(ASTNode[] nodes, SourceUnit \
source) { <span class="code-comment">// check params
</span>
AnnotatedNode annNode = (AnnotatedNode) nodes[1];
<span class="code-keyword">if</span> (annNode <span \
class="code-keyword">instanceof</span> MethodNode) { AnnotationNode ann = \
(AnnotationNode) nodes[0];
<span class="code-keyword">if</span> \
(!MY_TYPE.equals(ann.getClassNode())) { MethodNode methodNode = (MethodNode) \
annNode;
Statement origCode = methodNode.getCode(); <span \
class="code-comment">// get original code from method </span> \
Closure<?> closure = <span class="code-keyword">null</span>; <span \
class="code-comment">// TODO create closure with origCode call </span> \
closure = Memoize.buildMemoizeFunction(<span class="code-keyword">new</span> \
UnlimitedConcurrentCache(), closure); <span class="code-comment">// memoize closure \
</span> Statement newCode = <span class="code-keyword">null</span>; \
<span class="code-comment">// TODO create statement that call closure and <span \
class="code-keyword">return</span> result </span> \
methodNode.setCode(newCode); }
}
}
</pre>
</div></div></li>
</ul>
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