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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 java.io.DataInput;<a name="line.3"></a>
<span class="sourceLineNo">004</span>import java.io.DataOutput;<a name="line.4"></a>
<span class="sourceLineNo">005</span>import java.io.IOException;<a name="line.5"></a>
<span class="sourceLineNo">006</span><a name="line.6"></a>
<span class="sourceLineNo">007</span>import serp.bytecode.visitor.BCVisitor;<a name="line.7"></a>
<span class="sourceLineNo">008</span><a name="line.8"></a>
<span class="sourceLineNo">009</span>/*<a name="line.9"></a>
<span class="sourceLineNo">010</span> * BootstrapMethods_attribute {<a name="line.10"></a>
<span class="sourceLineNo">011</span> * u2 attribute_name_index;<a name="line.11"></a>
<span class="sourceLineNo">012</span> * u4 attribute_length;<a name="line.12"></a>
<span class="sourceLineNo">013</span> * u2 num_bootstrap_methods;<a name="line.13"></a>
<span class="sourceLineNo">014</span> * { u2 bootstrap_method_ref;<a name="line.14"></a>
<span class="sourceLineNo">015</span> * u2 num_bootstrap_arguments;<a name="line.15"></a>
<span class="sourceLineNo">016</span> * u2 bootstrap_arguments[num_bootstrap_arguments];<a name="line.16"></a>
<span class="sourceLineNo">017</span> * } bootstrap_methods[num_bootstrap_methods];<a name="line.17"></a>
<span class="sourceLineNo">018</span> * }<a name="line.18"></a>
<span class="sourceLineNo">019</span> */<a name="line.19"></a>
<span class="sourceLineNo">020</span>public class BootstrapMethods extends Attribute {<a name="line.20"></a>
<span class="sourceLineNo">021</span> private BootstrapMethodElement[] _bootstrapMethods = new BootstrapMethodElement[0];<a name="line.21"></a>
<span class="sourceLineNo">022</span> <a name="line.22"></a>
<span class="sourceLineNo">023</span> BootstrapMethods(int nameIndex, Attributes owner) {<a name="line.23"></a>
<span class="sourceLineNo">024</span> super(nameIndex, owner);<a name="line.24"></a>
<span class="sourceLineNo">025</span> }<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span> public void acceptVisit(BCVisitor visitor) {<a name="line.27"></a>
<span class="sourceLineNo">028</span> visitor.enterBootstrapMethod(this);<a name="line.28"></a>
<span class="sourceLineNo">029</span> visitor.exitBootstrapMethod(this); <a name="line.29"></a>
<span class="sourceLineNo">030</span> }<a name="line.30"></a>
<span class="sourceLineNo">031</span> <a name="line.31"></a>
<span class="sourceLineNo">032</span> public int getNumberBootstrapMethods() {<a name="line.32"></a>
<span class="sourceLineNo">033</span> return _bootstrapMethods.length;<a name="line.33"></a>
<span class="sourceLineNo">034</span> }<a name="line.34"></a>
<span class="sourceLineNo">035</span> <a name="line.35"></a>
<span class="sourceLineNo">036</span> public BootstrapMethodElement[] getBootstrapMethods() {<a name="line.36"></a>
<span class="sourceLineNo">037</span> BootstrapMethodElement[] retval = new BootstrapMethodElement[_bootstrapMethods.length];<a name="line.37"></a>
<span class="sourceLineNo">038</span> for (int i = 0; i < _bootstrapMethods.length; i++) {<a name="line.38"></a>
<span class="sourceLineNo">039</span> retval[i] = _bootstrapMethods[i];<a name="line.39"></a>
<span class="sourceLineNo">040</span> }<a name="line.40"></a>
<span class="sourceLineNo">041</span> <a name="line.41"></a>
<span class="sourceLineNo">042</span> return retval;<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> public void setBootstrapMethods(BootstrapMethodElement[] methods) {<a name="line.45"></a>
<span class="sourceLineNo">046</span> if (methods == null || methods.length == 0) {<a name="line.46"></a>
<span class="sourceLineNo">047</span> _bootstrapMethods = new BootstrapMethodElement[0];<a name="line.47"></a>
<span class="sourceLineNo">048</span> return;<a name="line.48"></a>
<span class="sourceLineNo">049</span> }<a name="line.49"></a>
<span class="sourceLineNo">050</span> <a name="line.50"></a>
<span class="sourceLineNo">051</span> _bootstrapMethods = new BootstrapMethodElement[methods.length];<a name="line.51"></a>
<span class="sourceLineNo">052</span> <a name="line.52"></a>
<span class="sourceLineNo">053</span> for (int i = 0; i < methods.length; i++) {<a name="line.53"></a>
<span class="sourceLineNo">054</span> _bootstrapMethods[i] = methods[i];<a name="line.54"></a>
<span class="sourceLineNo">055</span> }<a name="line.55"></a>
<span class="sourceLineNo">056</span> }<a name="line.56"></a>
<span class="sourceLineNo">057</span> <a name="line.57"></a>
<span class="sourceLineNo">058</span> /**<a name="line.58"></a>
<span class="sourceLineNo">059</span> * Return the length of the bytecode representation of this attribute<a name="line.59"></a>
<span class="sourceLineNo">060</span> * in bytes, excluding the name index.<a name="line.60"></a>
<span class="sourceLineNo">061</span> */<a name="line.61"></a>
<span class="sourceLineNo">062</span> int getLength() {<a name="line.62"></a>
<span class="sourceLineNo">063</span> int length = 2;<a name="line.63"></a>
<span class="sourceLineNo">064</span> <a name="line.64"></a>
<span class="sourceLineNo">065</span> for (int i = 0; i < _bootstrapMethods.length; i++) {<a name="line.65"></a>
<span class="sourceLineNo">066</span> length += _bootstrapMethods[i].getLength();<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> return length;<a name="line.69"></a>
<span class="sourceLineNo">070</span> }<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span> void read(DataInput in, int length) throws IOException {<a name="line.72"></a>
<span class="sourceLineNo">073</span> int num_bootstrap_methods = in.readShort();<a name="line.73"></a>
<span class="sourceLineNo">074</span> _bootstrapMethods = new BootstrapMethodElement[num_bootstrap_methods];<a name="line.74"></a>
<span class="sourceLineNo">075</span> <a name="line.75"></a>
<span class="sourceLineNo">076</span> for (int i = 0; i < num_bootstrap_methods; i++) {<a name="line.76"></a>
<span class="sourceLineNo">077</span> _bootstrapMethods[i] = new BootstrapMethodElement(this, in);<a name="line.77"></a>
<span class="sourceLineNo">078</span> }<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> void write(DataOutput out, int length) throws IOException {<a name="line.81"></a>
<span class="sourceLineNo">082</span> out.writeShort(_bootstrapMethods.length);<a name="line.82"></a>
<span class="sourceLineNo">083</span> <a name="line.83"></a>
<span class="sourceLineNo">084</span> for (int i = 0; i < _bootstrapMethods.length; i++) {<a name="line.84"></a>
<span class="sourceLineNo">085</span> _bootstrapMethods[i].write(out);<a name="line.85"></a>
<span class="sourceLineNo">086</span> }<a name="line.86"></a>
<span class="sourceLineNo">087</span> }<a name="line.87"></a>
<span class="sourceLineNo">088</span>}<a name="line.88"></a>
</pre>
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