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<pre><span class="sourceLineNo">001</span>package serp.bytecode;<a name="line.1"></a>
<span class="sourceLineNo">002</span><a name="line.2"></a>
<span class="sourceLineNo">003</span>import serp.bytecode.visitor.*;<a name="line.3"></a>
<span class="sourceLineNo">004</span><a name="line.4"></a>
<span class="sourceLineNo">005</span>/**<a name="line.5"></a>
<span class="sourceLineNo">006</span> * Code blocks compiled from source have local variable type tables mapping<a name="line.6"></a>
<span class="sourceLineNo">007</span> * generics-using locals used in opcodes to their names and signatures.<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * @author Abe White<a name="line.9"></a>
<span class="sourceLineNo">010</span> */<a name="line.10"></a>
<span class="sourceLineNo">011</span>public class LocalVariableTypeTable extends LocalTable {<a name="line.11"></a>
<span class="sourceLineNo">012</span> LocalVariableTypeTable(int nameIndex, Attributes owner) {<a name="line.12"></a>
<span class="sourceLineNo">013</span> super(nameIndex, owner);<a name="line.13"></a>
<span class="sourceLineNo">014</span> }<a name="line.14"></a>
<span class="sourceLineNo">015</span><a name="line.15"></a>
<span class="sourceLineNo">016</span> /**<a name="line.16"></a>
<span class="sourceLineNo">017</span> * Return all the locals of this method.<a name="line.17"></a>
<span class="sourceLineNo">018</span> */<a name="line.18"></a>
<span class="sourceLineNo">019</span> public LocalVariableType[] getLocalVariableTypes() {<a name="line.19"></a>
<span class="sourceLineNo">020</span> return (LocalVariableType[]) getLocals();<a name="line.20"></a>
<span class="sourceLineNo">021</span> }<a name="line.21"></a>
<span class="sourceLineNo">022</span><a name="line.22"></a>
<span class="sourceLineNo">023</span> /**<a name="line.23"></a>
<span class="sourceLineNo">024</span> * Return the local with the given locals index, or null if none.<a name="line.24"></a>
<span class="sourceLineNo">025</span> */<a name="line.25"></a>
<span class="sourceLineNo">026</span> public LocalVariableType getLocalVariableType(int local) {<a name="line.26"></a>
<span class="sourceLineNo">027</span> return (LocalVariableType) getLocal(local);<a name="line.27"></a>
<span class="sourceLineNo">028</span> }<a name="line.28"></a>
<span class="sourceLineNo">029</span><a name="line.29"></a>
<span class="sourceLineNo">030</span> /**<a name="line.30"></a>
<span class="sourceLineNo">031</span> * Return the local with the given name, or null if none. If multiple<a name="line.31"></a>
<span class="sourceLineNo">032</span> * locals have the given name, which is returned is undefined.<a name="line.32"></a>
<span class="sourceLineNo">033</span> */<a name="line.33"></a>
<span class="sourceLineNo">034</span> public LocalVariableType getLocalVariableType(String name) {<a name="line.34"></a>
<span class="sourceLineNo">035</span> return (LocalVariableType) getLocal(name);<a name="line.35"></a>
<span class="sourceLineNo">036</span> }<a name="line.36"></a>
<span class="sourceLineNo">037</span><a name="line.37"></a>
<span class="sourceLineNo">038</span> /**<a name="line.38"></a>
<span class="sourceLineNo">039</span> * Return all locals with the given name, or empty array if none.<a name="line.39"></a>
<span class="sourceLineNo">040</span> */<a name="line.40"></a>
<span class="sourceLineNo">041</span> public LocalVariableType[] getLocalVariableTypes(String name) {<a name="line.41"></a>
<span class="sourceLineNo">042</span> return (LocalVariableType[]) getLocals(name);<a name="line.42"></a>
<span class="sourceLineNo">043</span> }<a name="line.43"></a>
<span class="sourceLineNo">044</span><a name="line.44"></a>
<span class="sourceLineNo">045</span> /**<a name="line.45"></a>
<span class="sourceLineNo">046</span> * Import a local from another method/class. Note that<a name="line.46"></a>
<span class="sourceLineNo">047</span> * the program counter and length from the given local is copied<a name="line.47"></a>
<span class="sourceLineNo">048</span> * directly, and thus will be incorrect unless this method is the same<a name="line.48"></a>
<span class="sourceLineNo">049</span> * as the one the local is copied from, or the pc and length are reset.<a name="line.49"></a>
<span class="sourceLineNo">050</span> */<a name="line.50"></a>
<span class="sourceLineNo">051</span> public LocalVariableType addLocalVariableType(LocalVariableType local) {<a name="line.51"></a>
<span class="sourceLineNo">052</span> return (LocalVariableType) addLocal(local);<a name="line.52"></a>
<span class="sourceLineNo">053</span> }<a name="line.53"></a>
<span class="sourceLineNo">054</span><a name="line.54"></a>
<span class="sourceLineNo">055</span> /**<a name="line.55"></a>
<span class="sourceLineNo">056</span> * Add a local to this table.<a name="line.56"></a>
<span class="sourceLineNo">057</span> */<a name="line.57"></a>
<span class="sourceLineNo">058</span> public LocalVariableType addLocalVariableType() {<a name="line.58"></a>
<span class="sourceLineNo">059</span> return (LocalVariableType) addLocal();<a name="line.59"></a>
<span class="sourceLineNo">060</span> }<a name="line.60"></a>
<span class="sourceLineNo">061</span><a name="line.61"></a>
<span class="sourceLineNo">062</span> /**<a name="line.62"></a>
<span class="sourceLineNo">063</span> * Add a local to this table.<a name="line.63"></a>
<span class="sourceLineNo">064</span> */<a name="line.64"></a>
<span class="sourceLineNo">065</span> public LocalVariableType addLocalVariableType(String name, String type) {<a name="line.65"></a>
<span class="sourceLineNo">066</span> return (LocalVariableType) addLocal(name, type);<a name="line.66"></a>
<span class="sourceLineNo">067</span> }<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span> public void acceptVisit(BCVisitor visit) {<a name="line.69"></a>
<span class="sourceLineNo">070</span> visit.enterLocalVariableTypeTable(this);<a name="line.70"></a>
<span class="sourceLineNo">071</span> LocalVariableType[] locals = (LocalVariableType[]) getLocals();<a name="line.71"></a>
<span class="sourceLineNo">072</span> for (int i = 0; i < locals.length; i++)<a name="line.72"></a>
<span class="sourceLineNo">073</span> locals[i].acceptVisit(visit);<a name="line.73"></a>
<span class="sourceLineNo">074</span> visit.exitLocalVariableTypeTable(this);<a name="line.74"></a>
<span class="sourceLineNo">075</span> }<a name="line.75"></a>
<span class="sourceLineNo">076</span><a name="line.76"></a>
<span class="sourceLineNo">077</span> protected Local newLocal() {<a name="line.77"></a>
<span class="sourceLineNo">078</span> return new LocalVariableType(this);<a name="line.78"></a>
<span class="sourceLineNo">079</span> }<a name="line.79"></a>
<span class="sourceLineNo">080</span><a name="line.80"></a>
<span class="sourceLineNo">081</span> protected Local[] newLocalArray(int size) {<a name="line.81"></a>
<span class="sourceLineNo">082</span> return new LocalVariableType[size];<a name="line.82"></a>
<span class="sourceLineNo">083</span> }<a name="line.83"></a>
<span class="sourceLineNo">084</span>}<a name="line.84"></a>
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