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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.*;<a name="line.3"></a>
<span class="sourceLineNo">004</span>import java.util.*;<a name="line.4"></a>
<span class="sourceLineNo">005</span><a name="line.5"></a>
<span class="sourceLineNo">006</span>import serp.bytecode.lowlevel.*;<a name="line.6"></a>
<span class="sourceLineNo">007</span>import serp.bytecode.visitor.*;<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> * Representation of a code block of a class.<a name="line.10"></a>
<span class="sourceLineNo">011</span> * The methods of this class mimic those of the same name in the<a name="line.11"></a>
<span class="sourceLineNo">012</span> * {@link java.util.ListIterator} class. Note that the size and index<a name="line.12"></a>
<span class="sourceLineNo">013</span> * information of the code block will change as opcodes are added.<a name="line.13"></a>
<span class="sourceLineNo">014</span> *<a name="line.14"></a>
<span class="sourceLineNo">015</span> * <p>Code blocks are usually obtained from a {@link BCMethod}, but can also<a name="line.15"></a>
<span class="sourceLineNo">016</span> * be constructed via the default constructor. Blocks created this way can<a name="line.16"></a>
<span class="sourceLineNo">017</span> * be used to provide template instructions to the various search/replace<a name="line.17"></a>
<span class="sourceLineNo">018</span> * methods in this class.</p><a name="line.18"></a>
<span class="sourceLineNo">019</span> *<a name="line.19"></a>
<span class="sourceLineNo">020</span> * <p>The code class contains methods named after most JVM instructions, each<a name="line.20"></a>
<span class="sourceLineNo">021</span> * of which adds the matching opcode to the code block at the<a name="line.21"></a>
<span class="sourceLineNo">022</span> * current iterator position. It also contains generic versions of various<a name="line.22"></a>
<span class="sourceLineNo">023</span> * JVM instructions whose opcodes are not set until their properties are set<a name="line.23"></a>
<span class="sourceLineNo">024</span> * with additional information. Almost all instruction types are able to<a name="line.24"></a>
<span class="sourceLineNo">025</span> * 'morph' their opcode on the fly as the arguments to the instruction change.<a name="line.25"></a>
<span class="sourceLineNo">026</span> * Thus the developer can initially call, for example, the <code>aload</code><a name="line.26"></a>
<span class="sourceLineNo">027</span> * opcode, but later change the type to load to <code>int</code> and the<a name="line.27"></a>
<span class="sourceLineNo">028</span> * opcode will automatically morph to the <code>iload</code> opcode.</p><a name="line.28"></a>
<span class="sourceLineNo">029</span> *<a name="line.29"></a>
<span class="sourceLineNo">030</span> * @author Abe White<a name="line.30"></a>
<span class="sourceLineNo">031</span> */<a name="line.31"></a>
<span class="sourceLineNo">032</span>public class Code extends Attribute {<a name="line.32"></a>
<span class="sourceLineNo">033</span> private final CodeEntry _head;<a name="line.33"></a>
<span class="sourceLineNo">034</span> private final CodeEntry _tail;<a name="line.34"></a>
<span class="sourceLineNo">035</span> private CodeIterator _ci;<a name="line.35"></a>
<span class="sourceLineNo">036</span> private int _maxStack = 0;<a name="line.36"></a>
<span class="sourceLineNo">037</span> private int _maxLocals = 0;<a name="line.37"></a>
<span class="sourceLineNo">038</span> private int _size = 0;<a name="line.38"></a>
<span class="sourceLineNo">039</span> private Collection _handlers = new LinkedList();<a name="line.39"></a>
<span class="sourceLineNo">040</span> private Collection _attrs = new LinkedList();<a name="line.40"></a>
<span class="sourceLineNo">041</span> private boolean _byteIndexesValid;<a name="line.41"></a>
<span class="sourceLineNo">042</span><a name="line.42"></a>
<span class="sourceLineNo">043</span> Code(int nameIndex, Attributes owner) {<a name="line.43"></a>
<span class="sourceLineNo">044</span> super(nameIndex, owner);<a name="line.44"></a>
<span class="sourceLineNo">045</span> _head = new CodeEntry();<a name="line.45"></a>
<span class="sourceLineNo">046</span> _tail = new CodeEntry();<a name="line.46"></a>
<span class="sourceLineNo">047</span> _head.next = _tail;<a name="line.47"></a>
<span class="sourceLineNo">048</span> _tail.prev = _head;<a name="line.48"></a>
<span class="sourceLineNo">049</span> _ci = new CodeIterator(_head, -1);<a name="line.49"></a>
<span class="sourceLineNo">050</span> }<a name="line.50"></a>
<span class="sourceLineNo">051</span><a name="line.51"></a>
<span class="sourceLineNo">052</span> /**<a name="line.52"></a>
<span class="sourceLineNo">053</span> * The public constructor is for creating template code modules<a name="line.53"></a>
<span class="sourceLineNo">054</span> * that produce {@link Instruction}s used in matching through<a name="line.54"></a>
<span class="sourceLineNo">055</span> * the various <code>search</code> and <code>replace</code> methods.<a name="line.55"></a>
<span class="sourceLineNo">056</span> */<a name="line.56"></a>
<span class="sourceLineNo">057</span> public Code() {<a name="line.57"></a>
<span class="sourceLineNo">058</span> this(0, new Project().loadClass("", null).declareMethod("", void.class,<a name="line.58"></a>
<span class="sourceLineNo">059</span> null));<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> * The owning method.<a name="line.63"></a>
<span class="sourceLineNo">064</span> */<a name="line.64"></a>
<span class="sourceLineNo">065</span> public BCMethod getMethod() {<a name="line.65"></a>
<span class="sourceLineNo">066</span> return (BCMethod) getOwner();<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> Collection getAttributesHolder() {<a name="line.69"></a>
<span class="sourceLineNo">070</span> return _attrs;<a name="line.70"></a>
<span class="sourceLineNo">071</span> }<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span> ////////////////////////////<a name="line.73"></a>
<span class="sourceLineNo">074</span> // Stack, Locals operations<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> /**<a name="line.77"></a>
<span class="sourceLineNo">078</span> * Return the maximum stack depth set for this code block.<a name="line.78"></a>
<span class="sourceLineNo">079</span> */<a name="line.79"></a>
<span class="sourceLineNo">080</span> public int getMaxStack() {<a name="line.80"></a>
<span class="sourceLineNo">081</span> return _maxStack;<a name="line.81"></a>
<span class="sourceLineNo">082</span> }<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>
<span class="sourceLineNo">085</span> * Set the maximum stack depth for this code block.<a name="line.85"></a>
<span class="sourceLineNo">086</span> */<a name="line.86"></a>
<span class="sourceLineNo">087</span> public void setMaxStack(int max) {<a name="line.87"></a>
<span class="sourceLineNo">088</span> _maxStack = max;<a name="line.88"></a>
<span class="sourceLineNo">089</span> }<a name="line.89"></a>
<span class="sourceLineNo">090</span><a name="line.90"></a>
<span class="sourceLineNo">091</span> /**<a name="line.91"></a>
<span class="sourceLineNo">092</span> * Return the maximum number of local variables (including params)<a name="line.92"></a>
<span class="sourceLineNo">093</span> * set for this method.<a name="line.93"></a>
<span class="sourceLineNo">094</span> */<a name="line.94"></a>
<span class="sourceLineNo">095</span> public int getMaxLocals() {<a name="line.95"></a>
<span class="sourceLineNo">096</span> return _maxLocals;<a name="line.96"></a>
<span class="sourceLineNo">097</span> }<a name="line.97"></a>
<span class="sourceLineNo">098</span><a name="line.98"></a>
<span class="sourceLineNo">099</span> /**<a name="line.99"></a>
<span class="sourceLineNo">100</span> * Set the maximum number of local variables (including params) in<a name="line.100"></a>
<span class="sourceLineNo">101</span> * this method.<a name="line.101"></a>
<span class="sourceLineNo">102</span> */<a name="line.102"></a>
<span class="sourceLineNo">103</span> public void setMaxLocals(int max) {<a name="line.103"></a>
<span class="sourceLineNo">104</span> _maxLocals = max;<a name="line.104"></a>
<span class="sourceLineNo">105</span> }<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span> /**<a name="line.107"></a>
<span class="sourceLineNo">108</span> * Return the local variable index for the paramIndex'th parameter to<a name="line.108"></a>
<span class="sourceLineNo">109</span> * the method. Local variable indexes differ from parameter indexes because:<a name="line.109"></a>
<span class="sourceLineNo">110</span> * a) non-static methods use the 0th local variable for the 'this' ptr, and<a name="line.110"></a>
<span class="sourceLineNo">111</span> * b) double and long values occupy two spots in the local variable array.<a name="line.111"></a>
<span class="sourceLineNo">112</span> * Returns -1 if the given index is not valid.<a name="line.112"></a>
<span class="sourceLineNo">113</span> */<a name="line.113"></a>
<span class="sourceLineNo">114</span> public int getLocalsIndex(int paramIndex) {<a name="line.114"></a>
<span class="sourceLineNo">115</span> if (paramIndex < 0)<a name="line.115"></a>
<span class="sourceLineNo">116</span> return -1;<a name="line.116"></a>
<span class="sourceLineNo">117</span><a name="line.117"></a>
<span class="sourceLineNo">118</span> int pos = 0;<a name="line.118"></a>
<span class="sourceLineNo">119</span> if (!getMethod().isStatic())<a name="line.119"></a>
<span class="sourceLineNo">120</span> pos = 1;<a name="line.120"></a>
<span class="sourceLineNo">121</span> String[] params = getMethod().getParamNames();<a name="line.121"></a>
<span class="sourceLineNo">122</span> for (int i = 0; i < paramIndex; i++, pos++) {<a name="line.122"></a>
<span class="sourceLineNo">123</span> if (i == params.length)<a name="line.123"></a>
<span class="sourceLineNo">124</span> return -1;<a name="line.124"></a>
<span class="sourceLineNo">125</span> if (params[i].equals(long.class.getName()) <a name="line.125"></a>
<span class="sourceLineNo">126</span> || params[i].equals(double.class.getName()))<a name="line.126"></a>
<span class="sourceLineNo">127</span> pos++;<a name="line.127"></a>
<span class="sourceLineNo">128</span> }<a name="line.128"></a>
<span class="sourceLineNo">129</span> return pos;<a name="line.129"></a>
<span class="sourceLineNo">130</span> }<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span> /**<a name="line.132"></a>
<span class="sourceLineNo">133</span> * Return the parameter index for the given local index, or -1 if<a name="line.133"></a>
<span class="sourceLineNo">134</span> * the given local does not reference a param.<a name="line.134"></a>
<span class="sourceLineNo">135</span> *<a name="line.135"></a>
<span class="sourceLineNo">136</span> * @see #getLocalsIndex<a name="line.136"></a>
<span class="sourceLineNo">137</span> */<a name="line.137"></a>
<span class="sourceLineNo">138</span> public int getParamsIndex(int localIndex) {<a name="line.138"></a>
<span class="sourceLineNo">139</span> int pos = 0;<a name="line.139"></a>
<span class="sourceLineNo">140</span> if (!getMethod().isStatic())<a name="line.140"></a>
<span class="sourceLineNo">141</span> pos = 1;<a name="line.141"></a>
<span class="sourceLineNo">142</span> String[] params = getMethod().getParamNames();<a name="line.142"></a>
<span class="sourceLineNo">143</span> for (int i = 0; i < params.length; i++, pos++) {<a name="line.143"></a>
<span class="sourceLineNo">144</span> if (localIndex == pos)<a name="line.144"></a>
<span class="sourceLineNo">145</span> return i;<a name="line.145"></a>
<span class="sourceLineNo">146</span> if (params[i].equals(long.class.getName()) <a name="line.146"></a>
<span class="sourceLineNo">147</span> || params[i].equals(double.class.getName()))<a name="line.147"></a>
<span class="sourceLineNo">148</span> pos++;<a name="line.148"></a>
<span class="sourceLineNo">149</span> }<a name="line.149"></a>
<span class="sourceLineNo">150</span> return -1;<a name="line.150"></a>
<span class="sourceLineNo">151</span> }<a name="line.151"></a>
<span class="sourceLineNo">152</span><a name="line.152"></a>
<span class="sourceLineNo">153</span> /**<a name="line.153"></a>
<span class="sourceLineNo">154</span> * Return the next available local variable index.<a name="line.154"></a>
<span class="sourceLineNo">155</span> */<a name="line.155"></a>
<span class="sourceLineNo">156</span> public int getNextLocalsIndex() {<a name="line.156"></a>
<span class="sourceLineNo">157</span> calculateMaxLocals();<a name="line.157"></a>
<span class="sourceLineNo">158</span> return getMaxLocals();<a name="line.158"></a>
<span class="sourceLineNo">159</span> }<a name="line.159"></a>
<span class="sourceLineNo">160</span><a name="line.160"></a>
<span class="sourceLineNo">161</span> /**<a name="line.161"></a>
<span class="sourceLineNo">162</span> * Calculate and set the number of locals needed based on<a name="line.162"></a>
<span class="sourceLineNo">163</span> * the instructions used and the parameters of the method this code<a name="line.163"></a>
<span class="sourceLineNo">164</span> * block is a part of.<a name="line.164"></a>
<span class="sourceLineNo">165</span> *<a name="line.165"></a>
<span class="sourceLineNo">166</span> * @see #setMaxLocals<a name="line.166"></a>
<span class="sourceLineNo">167</span> */<a name="line.167"></a>
<span class="sourceLineNo">168</span> public void calculateMaxLocals() {<a name="line.168"></a>
<span class="sourceLineNo">169</span> // start off assuming the max number needed is the <a name="line.169"></a>
<span class="sourceLineNo">170</span> // number for all the params<a name="line.170"></a>
<span class="sourceLineNo">171</span> String[] params = getMethod().getParamNames();<a name="line.171"></a>
<span class="sourceLineNo">172</span> int max = 0;<a name="line.172"></a>
<span class="sourceLineNo">173</span> if ((params.length == 0) && !getMethod().isStatic())<a name="line.173"></a>
<span class="sourceLineNo">174</span> max = 1;<a name="line.174"></a>
<span class="sourceLineNo">175</span> else if (params.length > 0) {<a name="line.175"></a>
<span class="sourceLineNo">176</span> max = getLocalsIndex(params.length - 1) + 1;<a name="line.176"></a>
<span class="sourceLineNo">177</span> if (params[params.length - 1].equals(long.class.getName()) <a name="line.177"></a>
<span class="sourceLineNo">178</span> || params[params.length - 1].equals(double.class.getName()))<a name="line.178"></a>
<span class="sourceLineNo">179</span> max++;<a name="line.179"></a>
<span class="sourceLineNo">180</span> }<a name="line.180"></a>
<span class="sourceLineNo">181</span><a name="line.181"></a>
<span class="sourceLineNo">182</span> // check to see if there are any store instructions that<a name="line.182"></a>
<span class="sourceLineNo">183</span> // try to reference beyond that point<a name="line.183"></a>
<span class="sourceLineNo">184</span> StoreInstruction store;<a name="line.184"></a>
<span class="sourceLineNo">185</span> int current;<a name="line.185"></a>
<span class="sourceLineNo">186</span> for (CodeEntry entry = _head.next; entry != _tail; entry = entry.next) {<a name="line.186"></a>
<span class="sourceLineNo">187</span> current = 0;<a name="line.187"></a>
<span class="sourceLineNo">188</span> if (entry instanceof StoreInstruction) {<a name="line.188"></a>
<span class="sourceLineNo">189</span> store = (StoreInstruction) entry;<a name="line.189"></a>
<span class="sourceLineNo">190</span> current = store.getLocal() + 1;<a name="line.190"></a>
<span class="sourceLineNo">191</span> if (store.getType().equals(long.class) <a name="line.191"></a>
<span class="sourceLineNo">192</span> || store.getType().equals(double.class))<a name="line.192"></a>
<span class="sourceLineNo">193</span> current++;<a name="line.193"></a>
<span class="sourceLineNo">194</span> if (current > max)<a name="line.194"></a>
<span class="sourceLineNo">195</span> max = current;<a name="line.195"></a>
<span class="sourceLineNo">196</span> }<a name="line.196"></a>
<span class="sourceLineNo">197</span> }<a name="line.197"></a>
<span class="sourceLineNo">198</span> setMaxLocals(max);<a name="line.198"></a>
<span class="sourceLineNo">199</span> }<a name="line.199"></a>
<span class="sourceLineNo">200</span><a name="line.200"></a>
<span class="sourceLineNo">201</span> /**<a name="line.201"></a>
<span class="sourceLineNo">202</span> * Calculate and set the maximum stack depth needed for<a name="line.202"></a>
<span class="sourceLineNo">203</span> * the instructions used.<a name="line.203"></a>
<span class="sourceLineNo">204</span> *<a name="line.204"></a>
<span class="sourceLineNo">205</span> * @see #setMaxStack<a name="line.205"></a>
<span class="sourceLineNo">206</span> */<a name="line.206"></a>
<span class="sourceLineNo">207</span> public void calculateMaxStack() {<a name="line.207"></a>
<span class="sourceLineNo">208</span> int stack = 0;<a name="line.208"></a>
<span class="sourceLineNo">209</span> int max = 0;<a name="line.209"></a>
<span class="sourceLineNo">210</span> ExceptionHandler[] handlers = getExceptionHandlers();<a name="line.210"></a>
<span class="sourceLineNo">211</span> Instruction ins;<a name="line.211"></a>
<span class="sourceLineNo">212</span> for (CodeEntry entry = _head.next; entry != _tail; entry = entry.next) {<a name="line.212"></a>
<span class="sourceLineNo">213</span> ins = (Instruction) entry;<a name="line.213"></a>
<span class="sourceLineNo">214</span> stack += ins.getStackChange();<a name="line.214"></a>
<span class="sourceLineNo">215</span><a name="line.215"></a>
<span class="sourceLineNo">216</span> // if this is the start of a try, the exception will be placed<a name="line.216"></a>
<span class="sourceLineNo">217</span> // on the stack<a name="line.217"></a>
<span class="sourceLineNo">218</span> for (int j = 0; j < handlers.length; j++)<a name="line.218"></a>
<span class="sourceLineNo">219</span> if (handlers[j].getTryStart() == ins)<a name="line.219"></a>
<span class="sourceLineNo">220</span> stack++;<a name="line.220"></a>
<span class="sourceLineNo">221</span> if (stack > max)<a name="line.221"></a>
<span class="sourceLineNo">222</span> max = stack;<a name="line.222"></a>
<span class="sourceLineNo">223</span> }<a name="line.223"></a>
<span class="sourceLineNo">224</span> setMaxStack(max);<a name="line.224"></a>
<span class="sourceLineNo">225</span> }<a name="line.225"></a>
<span class="sourceLineNo">226</span><a name="line.226"></a>
<span class="sourceLineNo">227</span> ///////////////////////////////<a name="line.227"></a>
<span class="sourceLineNo">228</span> // ExceptionHandler operations<a name="line.228"></a>
<span class="sourceLineNo">229</span> ///////////////////////////////<a name="line.229"></a>
<span class="sourceLineNo">230</span><a name="line.230"></a>
<span class="sourceLineNo">231</span> /**<a name="line.231"></a>
<span class="sourceLineNo">232</span> * Return the exception handlers active in this code block, or an<a name="line.232"></a>
<span class="sourceLineNo">233</span> * empty array if none.<a name="line.233"></a>
<span class="sourceLineNo">234</span> */<a name="line.234"></a>
<span class="sourceLineNo">235</span> public ExceptionHandler[] getExceptionHandlers() {<a name="line.235"></a>
<span class="sourceLineNo">236</span> return (ExceptionHandler[]) _handlers.toArray<a name="line.236"></a>
<span class="sourceLineNo">237</span> (new ExceptionHandler[_handlers.size()]);<a name="line.237"></a>
<span class="sourceLineNo">238</span> }<a name="line.238"></a>
<span class="sourceLineNo">239</span><a name="line.239"></a>
<span class="sourceLineNo">240</span> /**<a name="line.240"></a>
<span class="sourceLineNo">241</span> * Return the exception handler that catches the given exception type;<a name="line.241"></a>
<span class="sourceLineNo">242</span> * if multiple handlers catch the given type, which is returned is<a name="line.242"></a>
<span class="sourceLineNo">243</span> * undefined.<a name="line.243"></a>
<span class="sourceLineNo">244</span> */<a name="line.244"></a>
<span class="sourceLineNo">245</span> public ExceptionHandler getExceptionHandler(String catchType) {<a name="line.245"></a>
<span class="sourceLineNo">246</span> catchType = getProject().getNameCache().getExternalForm(catchType, <a name="line.246"></a>
<span class="sourceLineNo">247</span> false);<a name="line.247"></a>
<span class="sourceLineNo">248</span> String type;<a name="line.248"></a>
<span class="sourceLineNo">249</span> ExceptionHandler[] handlers = getExceptionHandlers();<a name="line.249"></a>
<span class="sourceLineNo">250</span> for (int i = 0; i < handlers.length; i++) {<a name="line.250"></a>
<span class="sourceLineNo">251</span> type = handlers[i].getCatchName();<a name="line.251"></a>
<span class="sourceLineNo">252</span> if ((type == null && catchType == null)<a name="line.252"></a>
<span class="sourceLineNo">253</span> || (type != null && type.equals(catchType)))<a name="line.253"></a>
<span class="sourceLineNo">254</span> return handlers[i];<a name="line.254"></a>
<span class="sourceLineNo">255</span> }<a name="line.255"></a>
<span class="sourceLineNo">256</span> return null;<a name="line.256"></a>
<span class="sourceLineNo">257</span> }<a name="line.257"></a>
<span class="sourceLineNo">258</span><a name="line.258"></a>
<span class="sourceLineNo">259</span> /**<a name="line.259"></a>
<span class="sourceLineNo">260</span> * Return the exception handler that catches the given exception type;<a name="line.260"></a>
<span class="sourceLineNo">261</span> * if multiple handlers catch the given type, which is returned is<a name="line.261"></a>
<span class="sourceLineNo">262</span> * undefined.<a name="line.262"></a>
<span class="sourceLineNo">263</span> */<a name="line.263"></a>
<span class="sourceLineNo">264</span> public ExceptionHandler getExceptionHandler(Class catchType) {<a name="line.264"></a>
<span class="sourceLineNo">265</span> if (catchType == null)<a name="line.265"></a>
<span class="sourceLineNo">266</span> return getExceptionHandler((String) null);<a name="line.266"></a>
<span class="sourceLineNo">267</span> return getExceptionHandler(catchType.getName());<a name="line.267"></a>
<span class="sourceLineNo">268</span> }<a name="line.268"></a>
<span class="sourceLineNo">269</span><a name="line.269"></a>
<span class="sourceLineNo">270</span> /**<a name="line.270"></a>
<span class="sourceLineNo">271</span> * Return the exception handler that catches the given exception type;<a name="line.271"></a>
<span class="sourceLineNo">272</span> * if multiple handlers catch the given type, which is returned is<a name="line.272"></a>
<span class="sourceLineNo">273</span> * undefined.<a name="line.273"></a>
<span class="sourceLineNo">274</span> */<a name="line.274"></a>
<span class="sourceLineNo">275</span> public ExceptionHandler getExceptionHandler(BCClass catchType) {<a name="line.275"></a>
<span class="sourceLineNo">276</span> if (catchType == null)<a name="line.276"></a>
<span class="sourceLineNo">277</span> return getExceptionHandler((String) null);<a name="line.277"></a>
<span class="sourceLineNo">278</span> return getExceptionHandler(catchType.getName());<a name="line.278"></a>
<span class="sourceLineNo">279</span> }<a name="line.279"></a>
<span class="sourceLineNo">280</span><a name="line.280"></a>
<span class="sourceLineNo">281</span> /**<a name="line.281"></a>
<span class="sourceLineNo">282</span> * Return all exception handlers that catch the given exception type,<a name="line.282"></a>
<span class="sourceLineNo">283</span> * or an empty array if none.<a name="line.283"></a>
<span class="sourceLineNo">284</span> */<a name="line.284"></a>
<span class="sourceLineNo">285</span> public ExceptionHandler[] getExceptionHandlers(String catchType) {<a name="line.285"></a>
<span class="sourceLineNo">286</span> catchType = getProject().getNameCache().getExternalForm(catchType, <a name="line.286"></a>
<span class="sourceLineNo">287</span> false);<a name="line.287"></a>
<span class="sourceLineNo">288</span> List matches = new LinkedList();<a name="line.288"></a>
<span class="sourceLineNo">289</span> String type;<a name="line.289"></a>
<span class="sourceLineNo">290</span> ExceptionHandler[] handlers = getExceptionHandlers();<a name="line.290"></a>
<span class="sourceLineNo">291</span> for (int i = 0; i < handlers.length; i++) {<a name="line.291"></a>
<span class="sourceLineNo">292</span> type = handlers[i].getCatchName();<a name="line.292"></a>
<span class="sourceLineNo">293</span> if ((type == null && catchType == null) <a name="line.293"></a>
<span class="sourceLineNo">294</span> || (type != null && type.equals(catchType)))<a name="line.294"></a>
<span class="sourceLineNo">295</span> matches.add(handlers[i]);<a name="line.295"></a>
<span class="sourceLineNo">296</span> }<a name="line.296"></a>
<span class="sourceLineNo">297</span> return (ExceptionHandler[]) matches.toArray<a name="line.297"></a>
<span class="sourceLineNo">298</span> (new ExceptionHandler[matches.size()]);<a name="line.298"></a>
<span class="sourceLineNo">299</span> }<a name="line.299"></a>
<span class="sourceLineNo">300</span><a name="line.300"></a>
<span class="sourceLineNo">301</span> /**<a name="line.301"></a>
<span class="sourceLineNo">302</span> * Return all exception handlers that catch the given exception type,<a name="line.302"></a>
<span class="sourceLineNo">303</span> * or an empty array if none.<a name="line.303"></a>
<span class="sourceLineNo">304</span> */<a name="line.304"></a>
<span class="sourceLineNo">305</span> public ExceptionHandler[] getExceptionHandlers(Class catchType) {<a name="line.305"></a>
<span class="sourceLineNo">306</span> if (catchType == null)<a name="line.306"></a>
<span class="sourceLineNo">307</span> return getExceptionHandlers((String) null);<a name="line.307"></a>
<span class="sourceLineNo">308</span> return getExceptionHandlers(catchType.getName());<a name="line.308"></a>
<span class="sourceLineNo">309</span> }<a name="line.309"></a>
<span class="sourceLineNo">310</span><a name="line.310"></a>
<span class="sourceLineNo">311</span> /**<a name="line.311"></a>
<span class="sourceLineNo">312</span> * Return all exception handlers that catch the given exception type,<a name="line.312"></a>
<span class="sourceLineNo">313</span> * or an empty array if none.<a name="line.313"></a>
<span class="sourceLineNo">314</span> */<a name="line.314"></a>
<span class="sourceLineNo">315</span> public ExceptionHandler[] getExceptionHandlers(BCClass catchType) {<a name="line.315"></a>
<span class="sourceLineNo">316</span> if (catchType == null)<a name="line.316"></a>
<span class="sourceLineNo">317</span> return getExceptionHandlers((String) null);<a name="line.317"></a>
<span class="sourceLineNo">318</span> return getExceptionHandlers(catchType.getName());<a name="line.318"></a>
<span class="sourceLineNo">319</span> }<a name="line.319"></a>
<span class="sourceLineNo">320</span><a name="line.320"></a>
<span class="sourceLineNo">321</span> /**<a name="line.321"></a>
<span class="sourceLineNo">322</span> * Set the exception handlers for this code block. This method is useful<a name="line.322"></a>
<span class="sourceLineNo">323</span> * for importing all handlers from another code block. Set to null or<a name="line.323"></a>
<span class="sourceLineNo">324</span> * empty array if none.<a name="line.324"></a>
<span class="sourceLineNo">325</span> */<a name="line.325"></a>
<span class="sourceLineNo">326</span> public void setExceptionHandlers(ExceptionHandler[] handlers) {<a name="line.326"></a>
<span class="sourceLineNo">327</span> clearExceptionHandlers();<a name="line.327"></a>
<span class="sourceLineNo">328</span> if (handlers != null)<a name="line.328"></a>
<span class="sourceLineNo">329</span> for (int i = 0; i < handlers.length; i++)<a name="line.329"></a>
<span class="sourceLineNo">330</span> addExceptionHandler(handlers[i]);<a name="line.330"></a>
<span class="sourceLineNo">331</span> }<a name="line.331"></a>
<span class="sourceLineNo">332</span><a name="line.332"></a>
<span class="sourceLineNo">333</span> /**<a name="line.333"></a>
<span class="sourceLineNo">334</span> * Import the given exception handler from another code block.<a name="line.334"></a>
<span class="sourceLineNo">335</span> */<a name="line.335"></a>
<span class="sourceLineNo">336</span> public ExceptionHandler addExceptionHandler(ExceptionHandler handler) {<a name="line.336"></a>
<span class="sourceLineNo">337</span> ExceptionHandler newHandler = addExceptionHandler();<a name="line.337"></a>
<span class="sourceLineNo">338</span> newHandler.read(handler);<a name="line.338"></a>
<span class="sourceLineNo">339</span> return newHandler;<a name="line.339"></a>
<span class="sourceLineNo">340</span> }<a name="line.340"></a>
<span class="sourceLineNo">341</span><a name="line.341"></a>
<span class="sourceLineNo">342</span> /**<a name="line.342"></a>
<span class="sourceLineNo">343</span> * Add an exception handler to this code block.<a name="line.343"></a>
<span class="sourceLineNo">344</span> */<a name="line.344"></a>
<span class="sourceLineNo">345</span> public ExceptionHandler addExceptionHandler() {<a name="line.345"></a>
<span class="sourceLineNo">346</span> ExceptionHandler handler = new ExceptionHandler(this);<a name="line.346"></a>
<span class="sourceLineNo">347</span> _handlers.add(handler);<a name="line.347"></a>
<span class="sourceLineNo">348</span> return handler;<a name="line.348"></a>
<span class="sourceLineNo">349</span> }<a name="line.349"></a>
<span class="sourceLineNo">350</span><a name="line.350"></a>
<span class="sourceLineNo">351</span> /**<a name="line.351"></a>
<span class="sourceLineNo">352</span> * Add an exception handler to this code block.<a name="line.352"></a>
<span class="sourceLineNo">353</span> *<a name="line.353"></a>
<span class="sourceLineNo">354</span> * @param tryStart the first instruction of the try {} block<a name="line.354"></a>
<span class="sourceLineNo">355</span> * @param tryEnd the last instruction of the try {} block<a name="line.355"></a>
<span class="sourceLineNo">356</span> * @param handlerStart the first instruction of the catch {} block<a name="line.356"></a>
<span class="sourceLineNo">357</span> * @param catchType the type of exception being caught<a name="line.357"></a>
<span class="sourceLineNo">358</span> */<a name="line.358"></a>
<span class="sourceLineNo">359</span> public ExceptionHandler addExceptionHandler(Instruction tryStart,<a name="line.359"></a>
<span class="sourceLineNo">360</span> Instruction tryEnd, Instruction handlerStart, String catchType) {<a name="line.360"></a>
<span class="sourceLineNo">361</span> ExceptionHandler handler = addExceptionHandler();<a name="line.361"></a>
<span class="sourceLineNo">362</span> handler.setTryStart(tryStart);<a name="line.362"></a>
<span class="sourceLineNo">363</span> handler.setTryEnd(tryEnd);<a name="line.363"></a>
<span class="sourceLineNo">364</span> handler.setHandlerStart(handlerStart);<a name="line.364"></a>
<span class="sourceLineNo">365</span> handler.setCatch(catchType);<a name="line.365"></a>
<span class="sourceLineNo">366</span> return handler;<a name="line.366"></a>
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<span class="sourceLineNo">368</span><a name="line.368"></a>
<span class="sourceLineNo">369</span> /**<a name="line.369"></a>
<span class="sourceLineNo">370</span> * Add an exception handler to this code block.<a name="line.370"></a>
<span class="sourceLineNo">371</span> *<a name="line.371"></a>
<span class="sourceLineNo">372</span> * @param tryStart the first instruction of the try {} block<a name="line.372"></a>
<span class="sourceLineNo">373</span> * @param tryEnd the last instruction of the try {} block<a name="line.373"></a>
<span class="sourceLineNo">374</span> * @param handlerStart the first instruction of the catch {} block<a name="line.374"></a>
<span class="sourceLineNo">375</span> * @param catchType the type of exception being caught<a name="line.375"></a>
<span class="sourceLineNo">376</span> */<a name="line.376"></a>
<span class="sourceLineNo">377</span> public ExceptionHandler addExceptionHandler(Instruction tryStart,<a name="line.377"></a>
<span class="sourceLineNo">378</span> Instruction tryEnd, Instruction handlerStart, Class catchType) {<a name="line.378"></a>
<span class="sourceLineNo">379</span> String catchName = null;<a name="line.379"></a>
<span class="sourceLineNo">380</span> if (catchType != null)<a name="line.380"></a>
<span class="sourceLineNo">381</span> catchName = catchType.getName();<a name="line.381"></a>
<span class="sourceLineNo">382</span> return addExceptionHandler(tryStart, tryEnd, handlerStart, catchName);<a name="line.382"></a>
<span class="sourceLineNo">383</span> }<a name="line.383"></a>
<span class="sourceLineNo">384</span><a name="line.384"></a>
<span class="sourceLineNo">385</span> /**<a name="line.385"></a>
<span class="sourceLineNo">386</span> * Add an exception handler to this code block.<a name="line.386"></a>
<span class="sourceLineNo">387</span> *<a name="line.387"></a>
<span class="sourceLineNo">388</span> * @param tryStart the first instruction of the try {} block<a name="line.388"></a>
<span class="sourceLineNo">389</span> * @param tryEnd the last instruction of the try {} block<a name="line.389"></a>
<span class="sourceLineNo">390</span> * @param handlerStart the first instruction of the catch {} block<a name="line.390"></a>
<span class="sourceLineNo">391</span> * @param catchType the type of exception being caught<a name="line.391"></a>
<span class="sourceLineNo">392</span> */<a name="line.392"></a>
<span class="sourceLineNo">393</span> public ExceptionHandler addExceptionHandler(Instruction tryStart,<a name="line.393"></a>
<span class="sourceLineNo">394</span> Instruction tryEnd, Instruction handlerStart, BCClass catchType) {<a name="line.394"></a>
<span class="sourceLineNo">395</span> String catchName = null;<a name="line.395"></a>
<span class="sourceLineNo">396</span> if (catchType != null)<a name="line.396"></a>
<span class="sourceLineNo">397</span> catchName = catchType.getName();<a name="line.397"></a>
<span class="sourceLineNo">398</span> return addExceptionHandler(tryStart, tryEnd, handlerStart, catchName);<a name="line.398"></a>
<span class="sourceLineNo">399</span> }<a name="line.399"></a>
<span class="sourceLineNo">400</span><a name="line.400"></a>
<span class="sourceLineNo">401</span> /**<a name="line.401"></a>
<span class="sourceLineNo">402</span> * Clear all exception handlers.<a name="line.402"></a>
<span class="sourceLineNo">403</span> */<a name="line.403"></a>
<span class="sourceLineNo">404</span> public void clearExceptionHandlers() {<a name="line.404"></a>
<span class="sourceLineNo">405</span> ExceptionHandler handler;<a name="line.405"></a>
<span class="sourceLineNo">406</span> for (Iterator itr = _handlers.iterator(); itr.hasNext();) {<a name="line.406"></a>
<span class="sourceLineNo">407</span> handler = (ExceptionHandler) itr.next();<a name="line.407"></a>
<span class="sourceLineNo">408</span> itr.remove();<a name="line.408"></a>
<span class="sourceLineNo">409</span> handler.invalidate();<a name="line.409"></a>
<span class="sourceLineNo">410</span> }<a name="line.410"></a>
<span class="sourceLineNo">411</span> }<a name="line.411"></a>
<span class="sourceLineNo">412</span><a name="line.412"></a>
<span class="sourceLineNo">413</span> /**<a name="line.413"></a>
<span class="sourceLineNo">414</span> * Remove the exception handler that catches the given type.<a name="line.414"></a>
<span class="sourceLineNo">415</span> */<a name="line.415"></a>
<span class="sourceLineNo">416</span> public boolean removeExceptionHandler(String catchType) {<a name="line.416"></a>
<span class="sourceLineNo">417</span> return removeExceptionHandler(getExceptionHandler(catchType));<a name="line.417"></a>
<span class="sourceLineNo">418</span> }<a name="line.418"></a>
<span class="sourceLineNo">419</span><a name="line.419"></a>
<span class="sourceLineNo">420</span> /**<a name="line.420"></a>
<span class="sourceLineNo">421</span> * Remove the exception handler that catches the given type.<a name="line.421"></a>
<span class="sourceLineNo">422</span> *<a name="line.422"></a>
<span class="sourceLineNo">423</span> * @return true if the handler was removed, false otherwise<a name="line.423"></a>
<span class="sourceLineNo">424</span> */<a name="line.424"></a>
<span class="sourceLineNo">425</span> public boolean removeExceptionHandler(Class catchType) {<a name="line.425"></a>
<span class="sourceLineNo">426</span> if (catchType == null)<a name="line.426"></a>
<span class="sourceLineNo">427</span> return removeExceptionHandler((String) null);<a name="line.427"></a>
<span class="sourceLineNo">428</span> return removeExceptionHandler(catchType.getName());<a name="line.428"></a>
<span class="sourceLineNo">429</span> }<a name="line.429"></a>
<span class="sourceLineNo">430</span><a name="line.430"></a>
<span class="sourceLineNo">431</span> /**<a name="line.431"></a>
<span class="sourceLineNo">432</span> * Remove the exception handler that catches the given type.<a name="line.432"></a>
<span class="sourceLineNo">433</span> *<a name="line.433"></a>
<span class="sourceLineNo">434</span> * @return true if the handler was removed, false otherwise<a name="line.434"></a>
<span class="sourceLineNo">435</span> */<a name="line.435"></a>
<span class="sourceLineNo">436</span> public boolean removeExceptionHandler(BCClass catchType) {<a name="line.436"></a>
<span class="sourceLineNo">437</span> if (catchType == null)<a name="line.437"></a>
<span class="sourceLineNo">438</span> return removeExceptionHandler((String) null);<a name="line.438"></a>
<span class="sourceLineNo">439</span> return removeExceptionHandler(catchType.getName());<a name="line.439"></a>
<span class="sourceLineNo">440</span> }<a name="line.440"></a>
<span class="sourceLineNo">441</span><a name="line.441"></a>
<span class="sourceLineNo">442</span> /**<a name="line.442"></a>
<span class="sourceLineNo">443</span> * Remove an exception handler from this code block. The given handler<a name="line.443"></a>
<span class="sourceLineNo">444</span> * must belong to this code block.<a name="line.444"></a>
<span class="sourceLineNo">445</span> */<a name="line.445"></a>
<span class="sourceLineNo">446</span> public boolean removeExceptionHandler(ExceptionHandler handler) {<a name="line.446"></a>
<span class="sourceLineNo">447</span> if ((handler == null) || !_handlers.remove(handler))<a name="line.447"></a>
<span class="sourceLineNo">448</span> return false;<a name="line.448"></a>
<span class="sourceLineNo">449</span> handler.invalidate();<a name="line.449"></a>
<span class="sourceLineNo">450</span> return true;<a name="line.450"></a>
<span class="sourceLineNo">451</span> }<a name="line.451"></a>
<span class="sourceLineNo">452</span><a name="line.452"></a>
<span class="sourceLineNo">453</span> /////////////////////////<a name="line.453"></a>
<span class="sourceLineNo">454</span> // Code block operations<a name="line.454"></a>
<span class="sourceLineNo">455</span> /////////////////////////<a name="line.455"></a>
<span class="sourceLineNo">456</span><a name="line.456"></a>
<span class="sourceLineNo">457</span> /**<a name="line.457"></a>
<span class="sourceLineNo">458</span> * Return the number of instructions in the method.<a name="line.458"></a>
<span class="sourceLineNo">459</span> */<a name="line.459"></a>
<span class="sourceLineNo">460</span> public int size() {<a name="line.460"></a>
<span class="sourceLineNo">461</span> return _size;<a name="line.461"></a>
<span class="sourceLineNo">462</span> }<a name="line.462"></a>
<span class="sourceLineNo">463</span><a name="line.463"></a>
<span class="sourceLineNo">464</span> /**<a name="line.464"></a>
<span class="sourceLineNo">465</span> * Reset the position of the instruction iterator to the first opcode.<a name="line.465"></a>
<span class="sourceLineNo">466</span> */<a name="line.466"></a>
<span class="sourceLineNo">467</span> public void beforeFirst() {<a name="line.467"></a>
<span class="sourceLineNo">468</span> _ci = new CodeIterator(_head, -1);<a name="line.468"></a>
<span class="sourceLineNo">469</span> }<a name="line.469"></a>
<span class="sourceLineNo">470</span><a name="line.470"></a>
<span class="sourceLineNo">471</span> /**<a name="line.471"></a>
<span class="sourceLineNo">472</span> * Set the position of the instruction iterator to after the last opcode.<a name="line.472"></a>
<span class="sourceLineNo">473</span> */<a name="line.473"></a>
<span class="sourceLineNo">474</span> public void afterLast() {<a name="line.474"></a>
<span class="sourceLineNo">475</span> if (_size == 0)<a name="line.475"></a>
<span class="sourceLineNo">476</span> _ci = new CodeIterator(_head, -1);<a name="line.476"></a>
<span class="sourceLineNo">477</span> else<a name="line.477"></a>
<span class="sourceLineNo">478</span> _ci = new CodeIterator(_tail.prev, _size - 1);<a name="line.478"></a>
<span class="sourceLineNo">479</span> }<a name="line.479"></a>
<span class="sourceLineNo">480</span><a name="line.480"></a>
<span class="sourceLineNo">481</span> /**<a name="line.481"></a>
<span class="sourceLineNo">482</span> * Position the iterator just before the given instruction. The<a name="line.482"></a>
<span class="sourceLineNo">483</span> * instruction must belong to this method.<a name="line.483"></a>
<span class="sourceLineNo">484</span> */<a name="line.484"></a>
<span class="sourceLineNo">485</span> public void before(Instruction ins) {<a name="line.485"></a>
<span class="sourceLineNo">486</span> if (ins.getCode() != this)<a name="line.486"></a>
<span class="sourceLineNo">487</span> throw new IllegalArgumentException("ins.code != this");<a name="line.487"></a>
<span class="sourceLineNo">488</span> _ci = new CodeIterator(ins.prev, CodeIterator.UNSET);<a name="line.488"></a>
<span class="sourceLineNo">489</span> }<a name="line.489"></a>
<span class="sourceLineNo">490</span><a name="line.490"></a>
<span class="sourceLineNo">491</span> /**<a name="line.491"></a>
<span class="sourceLineNo">492</span> * Position the iterator just after the given instruction. The<a name="line.492"></a>
<span class="sourceLineNo">493</span> * instruction must belong to this method.<a name="line.493"></a>
<span class="sourceLineNo">494</span> */<a name="line.494"></a>
<span class="sourceLineNo">495</span> public void after(Instruction ins) {<a name="line.495"></a>
<span class="sourceLineNo">496</span> before(ins);<a name="line.496"></a>
<span class="sourceLineNo">497</span> next();<a name="line.497"></a>
<span class="sourceLineNo">498</span> }<a name="line.498"></a>
<span class="sourceLineNo">499</span><a name="line.499"></a>
<span class="sourceLineNo">500</span> /**<a name="line.500"></a>
<span class="sourceLineNo">501</span> * Return true if a subsequent call to {@link #next} will return an<a name="line.501"></a>
<span class="sourceLineNo">502</span> * instruction.<a name="line.502"></a>
<span class="sourceLineNo">503</span> */<a name="line.503"></a>
<span class="sourceLineNo">504</span> public boolean hasNext() {<a name="line.504"></a>
<span class="sourceLineNo">505</span> return _ci.hasNext();<a name="line.505"></a>
<span class="sourceLineNo">506</span> }<a name="line.506"></a>
<span class="sourceLineNo">507</span><a name="line.507"></a>
<span class="sourceLineNo">508</span> /**<a name="line.508"></a>
<span class="sourceLineNo">509</span> * Return true if a subsequent call to {@link #previous} will return an<a name="line.509"></a>
<span class="sourceLineNo">510</span> * instruction.<a name="line.510"></a>
<span class="sourceLineNo">511</span> */<a name="line.511"></a>
<span class="sourceLineNo">512</span> public boolean hasPrevious() {<a name="line.512"></a>
<span class="sourceLineNo">513</span> return _ci.hasPrevious();<a name="line.513"></a>
<span class="sourceLineNo">514</span> }<a name="line.514"></a>
<span class="sourceLineNo">515</span><a name="line.515"></a>
<span class="sourceLineNo">516</span> /**<a name="line.516"></a>
<span class="sourceLineNo">517</span> * Return the next instruction.<a name="line.517"></a>
<span class="sourceLineNo">518</span> */<a name="line.518"></a>
<span class="sourceLineNo">519</span> public Instruction next() {<a name="line.519"></a>
<span class="sourceLineNo">520</span> return (Instruction) _ci.next();<a name="line.520"></a>
<span class="sourceLineNo">521</span> }<a name="line.521"></a>
<span class="sourceLineNo">522</span><a name="line.522"></a>
<span class="sourceLineNo">523</span> /**<a name="line.523"></a>
<span class="sourceLineNo">524</span> * Return the index of the next instruction, or {@link #size} if at end.<a name="line.524"></a>
<span class="sourceLineNo">525</span> */<a name="line.525"></a>
<span class="sourceLineNo">526</span> public int nextIndex() {<a name="line.526"></a>
<span class="sourceLineNo">527</span> return _ci.nextIndex();<a name="line.527"></a>
<span class="sourceLineNo">528</span> }<a name="line.528"></a>
<span class="sourceLineNo">529</span><a name="line.529"></a>
<span class="sourceLineNo">530</span> /**<a name="line.530"></a>
<span class="sourceLineNo">531</span> * Return the previous instruction.<a name="line.531"></a>
<span class="sourceLineNo">532</span> */<a name="line.532"></a>
<span class="sourceLineNo">533</span> public Instruction previous() {<a name="line.533"></a>
<span class="sourceLineNo">534</span> return (Instruction) _ci.previous();<a name="line.534"></a>
<span class="sourceLineNo">535</span> }<a name="line.535"></a>
<span class="sourceLineNo">536</span><a name="line.536"></a>
<span class="sourceLineNo">537</span> /**<a name="line.537"></a>
<span class="sourceLineNo">538</span> * Return the index of the previous instruction, or -1 if at beginning.<a name="line.538"></a>
<span class="sourceLineNo">539</span> */<a name="line.539"></a>
<span class="sourceLineNo">540</span> public int previousIndex() {<a name="line.540"></a>
<span class="sourceLineNo">541</span> return _ci.previousIndex();<a name="line.541"></a>
<span class="sourceLineNo">542</span> }<a name="line.542"></a>
<span class="sourceLineNo">543</span><a name="line.543"></a>
<span class="sourceLineNo">544</span> /**<a name="line.544"></a>
<span class="sourceLineNo">545</span> * Place the iterator before the given list index.<a name="line.545"></a>
<span class="sourceLineNo">546</span> */<a name="line.546"></a>
<span class="sourceLineNo">547</span> public void before(int index) {<a name="line.547"></a>
<span class="sourceLineNo">548</span> if (index < 0 || index >= _size)<a name="line.548"></a>
<span class="sourceLineNo">549</span> throw new IndexOutOfBoundsException(String.valueOf(index));<a name="line.549"></a>
<span class="sourceLineNo">550</span><a name="line.550"></a>
<span class="sourceLineNo">551</span> CodeEntry entry = _head;<a name="line.551"></a>
<span class="sourceLineNo">552</span> for (int i = 0; i < index; entry = entry.next, i++);<a name="line.552"></a>
<span class="sourceLineNo">553</span> _ci = new CodeIterator(entry, index - 1);<a name="line.553"></a>
<span class="sourceLineNo">554</span> }<a name="line.554"></a>
<span class="sourceLineNo">555</span><a name="line.555"></a>
<span class="sourceLineNo">556</span> /**<a name="line.556"></a>
<span class="sourceLineNo">557</span> * Place the iterator after the given list index.<a name="line.557"></a>
<span class="sourceLineNo">558</span> */<a name="line.558"></a>
<span class="sourceLineNo">559</span> public void after(int index) {<a name="line.559"></a>
<span class="sourceLineNo">560</span> before(index);<a name="line.560"></a>
<span class="sourceLineNo">561</span> next();<a name="line.561"></a>
<span class="sourceLineNo">562</span> }<a name="line.562"></a>
<span class="sourceLineNo">563</span><a name="line.563"></a>
<span class="sourceLineNo">564</span> /**<a name="line.564"></a>
<span class="sourceLineNo">565</span> * Find the next instruction from the current iterator position that<a name="line.565"></a>
<span class="sourceLineNo">566</span> * matches the given one, according to the {@link Object#equals} methods of<a name="line.566"></a>
<span class="sourceLineNo">567</span> * the instruction types. This allows for matching based on template<a name="line.567"></a>
<span class="sourceLineNo">568</span> * instructions, as the equals methods of most instructions return<a name="line.568"></a>
<span class="sourceLineNo">569</span> * true if the information for the given instruction has not been filled<a name="line.569"></a>
<span class="sourceLineNo">570</span> * in. If a match is found, the iterator is placed after the matching<a name="line.570"></a>
<span class="sourceLineNo">571</span> * Instruction. If no match is found, moves the iterator to<a name="line.571"></a>
<span class="sourceLineNo">572</span> * {@link #afterLast}.<a name="line.572"></a>
<span class="sourceLineNo">573</span> *<a name="line.573"></a>
<span class="sourceLineNo">574</span> * @return true if match found<a name="line.574"></a>
<span class="sourceLineNo">575</span> */<a name="line.575"></a>
<span class="sourceLineNo">576</span> public boolean searchForward(Instruction template) {<a name="line.576"></a>
<span class="sourceLineNo">577</span> if (template == null)<a name="line.577"></a>
<span class="sourceLineNo">578</span> return false;<a name="line.578"></a>
<span class="sourceLineNo">579</span><a name="line.579"></a>
<span class="sourceLineNo">580</span> while (hasNext())<a name="line.580"></a>
<span class="sourceLineNo">581</span> if (template.equalsInstruction(next()))<a name="line.581"></a>
<span class="sourceLineNo">582</span> return true;<a name="line.582"></a>
<span class="sourceLineNo">583</span> return false;<a name="line.583"></a>
<span class="sourceLineNo">584</span> }<a name="line.584"></a>
<span class="sourceLineNo">585</span><a name="line.585"></a>
<span class="sourceLineNo">586</span> /**<a name="line.586"></a>
<span class="sourceLineNo">587</span> * Find the closest previous instruction from the current iterator<a name="line.587"></a>
<span class="sourceLineNo">588</span> * position that matches the given one, according to the<a name="line.588"></a>
<span class="sourceLineNo">589</span> * {@link Object#equals} methods of the instruction types. This allows<a name="line.589"></a>
<span class="sourceLineNo">590</span> * for matching based on template instructions, as the equals methods of<a name="line.590"></a>
<span class="sourceLineNo">591</span> * most instructions return true if the information for the given<a name="line.591"></a>
<span class="sourceLineNo">592</span> * instruction has not been filled in. If a match is found, the iterator<a name="line.592"></a>
<span class="sourceLineNo">593</span> * is placed before the matching Instruction. If no match is found,<a name="line.593"></a>
<span class="sourceLineNo">594</span> * moves the iterator to {@link #beforeFirst}.<a name="line.594"></a>
<span class="sourceLineNo">595</span> *<a name="line.595"></a>
<span class="sourceLineNo">596</span> * @return true if match found<a name="line.596"></a>
<span class="sourceLineNo">597</span> */<a name="line.597"></a>
<span class="sourceLineNo">598</span> public boolean searchBackward(Instruction template) {<a name="line.598"></a>
<span class="sourceLineNo">599</span> if (template == null)<a name="line.599"></a>
<span class="sourceLineNo">600</span> return false;<a name="line.600"></a>
<span class="sourceLineNo">601</span><a name="line.601"></a>
<span class="sourceLineNo">602</span> while (hasPrevious())<a name="line.602"></a>
<span class="sourceLineNo">603</span> if (template.equalsInstruction(previous()))<a name="line.603"></a>
<span class="sourceLineNo">604</span> return true;<a name="line.604"></a>
<span class="sourceLineNo">605</span> return false;<a name="line.605"></a>
<span class="sourceLineNo">606</span> }<a name="line.606"></a>
<span class="sourceLineNo">607</span><a name="line.607"></a>
<span class="sourceLineNo">608</span> /**<a name="line.608"></a>
<span class="sourceLineNo">609</span> * Adds a copy of the given instruction.<a name="line.609"></a>
<span class="sourceLineNo">610</span> *<a name="line.610"></a>
<span class="sourceLineNo">611</span> * @return the newly added instruction<a name="line.611"></a>
<span class="sourceLineNo">612</span> */<a name="line.612"></a>
<span class="sourceLineNo">613</span> public Instruction add(Instruction ins) {<a name="line.613"></a>
<span class="sourceLineNo">614</span> Instruction newIns = createInstruction(ins.getOpcode());<a name="line.614"></a>
<span class="sourceLineNo">615</span> newIns.read(ins);<a name="line.615"></a>
<span class="sourceLineNo">616</span> _ci.add(newIns);<a name="line.616"></a>
<span class="sourceLineNo">617</span> return newIns;<a name="line.617"></a>
<span class="sourceLineNo">618</span> }<a name="line.618"></a>
<span class="sourceLineNo">619</span><a name="line.619"></a>
<span class="sourceLineNo">620</span> /**<a name="line.620"></a>
<span class="sourceLineNo">621</span> * Replaces the last iterated instruction with a copy of the given one.<a name="line.621"></a>
<span class="sourceLineNo">622</span> * This method will also make sure that all jump points<a name="line.622"></a>
<span class="sourceLineNo">623</span> * that referenced the old opcode are updated correctly.<a name="line.623"></a>
<span class="sourceLineNo">624</span> *<a name="line.624"></a>
<span class="sourceLineNo">625</span> * @return the newly added instruction<a name="line.625"></a>
<span class="sourceLineNo">626</span> * @see ListIterator#set<a name="line.626"></a>
<span class="sourceLineNo">627</span> */<a name="line.627"></a>
<span class="sourceLineNo">628</span> public Instruction set(Instruction ins) {<a name="line.628"></a>
<span class="sourceLineNo">629</span> Instruction newIns = createInstruction(ins.getOpcode());<a name="line.629"></a>
<span class="sourceLineNo">630</span> newIns.read(ins);<a name="line.630"></a>
<span class="sourceLineNo">631</span> _ci.set(newIns);<a name="line.631"></a>
<span class="sourceLineNo">632</span> return newIns;<a name="line.632"></a>
<span class="sourceLineNo">633</span> }<a name="line.633"></a>
<span class="sourceLineNo">634</span><a name="line.634"></a>
<span class="sourceLineNo">635</span> /**<a name="line.635"></a>
<span class="sourceLineNo">636</span> * Replaces all the instructions in this code block that match the<a name="line.636"></a>
<span class="sourceLineNo">637</span> * given template with the given instruction. After this method,<a name="line.637"></a>
<span class="sourceLineNo">638</span> * the iterator will be {@link #afterLast}.<a name="line.638"></a>
<span class="sourceLineNo">639</span> *<a name="line.639"></a>
<span class="sourceLineNo">640</span> * @return the number of substitutions made<a name="line.640"></a>
<span class="sourceLineNo">641</span> */<a name="line.641"></a>
<span class="sourceLineNo">642</span> public int replace(Instruction template, Instruction with) {<a name="line.642"></a>
<span class="sourceLineNo">643</span> beforeFirst();<a name="line.643"></a>
<span class="sourceLineNo">644</span> int count;<a name="line.644"></a>
<span class="sourceLineNo">645</span> for (count = 0; searchForward(template); count++)<a name="line.645"></a>
<span class="sourceLineNo">646</span> set(with);<a name="line.646"></a>
<span class="sourceLineNo">647</span> return count;<a name="line.647"></a>
<span class="sourceLineNo">648</span> }<a name="line.648"></a>
<span class="sourceLineNo">649</span><a name="line.649"></a>
<span class="sourceLineNo">650</span> /**<a name="line.650"></a>
<span class="sourceLineNo">651</span> * Equivalent to looping over each given template/replacement<a name="line.651"></a>
<span class="sourceLineNo">652</span> * pair and calling {@link #replace(Instruction,Instruction)} for each.<a name="line.652"></a>
<span class="sourceLineNo">653</span> */<a name="line.653"></a>
<span class="sourceLineNo">654</span> public int replace(Instruction[] templates, Instruction[] with) {<a name="line.654"></a>
<span class="sourceLineNo">655</span> if (templates == null || with == null)<a name="line.655"></a>
<span class="sourceLineNo">656</span> return 0;<a name="line.656"></a>
<span class="sourceLineNo">657</span><a name="line.657"></a>
<span class="sourceLineNo">658</span> int count = 0;<a name="line.658"></a>
<span class="sourceLineNo">659</span> for (int i = 0; i < templates.length; i++) {<a name="line.659"></a>
<span class="sourceLineNo">660</span> if (with == null)<a name="line.660"></a>
<span class="sourceLineNo">661</span> count += replace(templates[i], null);<a name="line.661"></a>
<span class="sourceLineNo">662</span> else<a name="line.662"></a>
<span class="sourceLineNo">663</span> count += replace(templates[i], with[i]);<a name="line.663"></a>
<span class="sourceLineNo">664</span> }<a name="line.664"></a>
<span class="sourceLineNo">665</span> return count;<a name="line.665"></a>
<span class="sourceLineNo">666</span> }<a name="line.666"></a>
<span class="sourceLineNo">667</span><a name="line.667"></a>
<span class="sourceLineNo">668</span> /**<a name="line.668"></a>
<span class="sourceLineNo">669</span> * Remove the last iterated instruction.<a name="line.669"></a>
<span class="sourceLineNo">670</span> *<a name="line.670"></a>
<span class="sourceLineNo">671</span> * @see ListIterator#remove<a name="line.671"></a>
<span class="sourceLineNo">672</span> */<a name="line.672"></a>
<span class="sourceLineNo">673</span> public void remove() {<a name="line.673"></a>
<span class="sourceLineNo">674</span> _ci.remove();<a name="line.674"></a>
<span class="sourceLineNo">675</span> }<a name="line.675"></a>
<span class="sourceLineNo">676</span><a name="line.676"></a>
<span class="sourceLineNo">677</span> //////////////////////////<a name="line.677"></a>
<span class="sourceLineNo">678</span> // Instruction operations<a name="line.678"></a>
<span class="sourceLineNo">679</span> //////////////////////////<a name="line.679"></a>
<span class="sourceLineNo">680</span><a name="line.680"></a>
<span class="sourceLineNo">681</span> /**<a name="line.681"></a>
<span class="sourceLineNo">682</span> * Load a class constant onto the stack.<a name="line.682"></a>
<span class="sourceLineNo">683</span> * For primitive types, this translates into a<a name="line.683"></a>
<span class="sourceLineNo">684</span> * getstatic for the TYPE field of the primitive's wrapper type.<a name="line.684"></a>
<span class="sourceLineNo">685</span> * For non-primitives, things get much more complex. Suffice it to<a name="line.685"></a>
<span class="sourceLineNo">686</span> * say that the operation involves adding synthetic static fields<a name="line.686"></a>
<span class="sourceLineNo">687</span> * and even methods to the class. Note that this instruction requires<a name="line.687"></a>
<span class="sourceLineNo">688</span> * up to 3 stack positions to execute.<a name="line.688"></a>
<span class="sourceLineNo">689</span> */<a name="line.689"></a>
<span class="sourceLineNo">690</span> public ClassConstantInstruction classconstant() {<a name="line.690"></a>
<span class="sourceLineNo">691</span> return new ClassConstantInstruction(getMethod().getDeclarer(), this,<a name="line.691"></a>
<span class="sourceLineNo">692</span> nop());<a name="line.692"></a>
<span class="sourceLineNo">693</span> }<a name="line.693"></a>
<span class="sourceLineNo">694</span><a name="line.694"></a>
<span class="sourceLineNo">695</span> /**<a name="line.695"></a>
<span class="sourceLineNo">696</span> * Add the <code>nop</code> opcode.<a name="line.696"></a>
<span class="sourceLineNo">697</span> */<a name="line.697"></a>
<span class="sourceLineNo">698</span> public Instruction nop() {<a name="line.698"></a>
<span class="sourceLineNo">699</span> return addInstruction(Constants.NOP);<a name="line.699"></a>
<span class="sourceLineNo">700</span> }<a name="line.700"></a>
<span class="sourceLineNo">701</span><a name="line.701"></a>
<span class="sourceLineNo">702</span> /**<a name="line.702"></a>
<span class="sourceLineNo">703</span> * Load some constant onto the stack. The {@link ConstantInstruction}<a name="line.703"></a>
<span class="sourceLineNo">704</span> * type takes any constant and correctly translates it into the proper<a name="line.704"></a>
<span class="sourceLineNo">705</span> * opcode, depending on the constant type and value. For example,<a name="line.705"></a>
<span class="sourceLineNo">706</span> * if the constant value is set to 0L, the opcode will be set to<a name="line.706"></a>
<span class="sourceLineNo">707</span> * <code>lconst0</code>.<a name="line.707"></a>
<span class="sourceLineNo">708</span> */<a name="line.708"></a>
<span class="sourceLineNo">709</span> public ConstantInstruction constant() {<a name="line.709"></a>
<span class="sourceLineNo">710</span> return (ConstantInstruction) addInstruction(new ConstantInstruction<a name="line.710"></a>
<span class="sourceLineNo">711</span> (this));<a name="line.711"></a>
<span class="sourceLineNo">712</span> }<a name="line.712"></a>
<span class="sourceLineNo">713</span><a name="line.713"></a>
<span class="sourceLineNo">714</span> /**<a name="line.714"></a>
<span class="sourceLineNo">715</span> * Load a local variable onto the stack. This instruction will result<a name="line.715"></a>
<span class="sourceLineNo">716</span> * in a <code>nop</code> until its type and local index are set.<a name="line.716"></a>
<span class="sourceLineNo">717</span> */<a name="line.717"></a>
<span class="sourceLineNo">718</span> public LoadInstruction xload() {<a name="line.718"></a>
<span class="sourceLineNo">719</span> return (LoadInstruction) addInstruction(new LoadInstruction(this));<a name="line.719"></a>
<span class="sourceLineNo">720</span> }<a name="line.720"></a>
<span class="sourceLineNo">721</span><a name="line.721"></a>
<span class="sourceLineNo">722</span> /**<a name="line.722"></a>
<span class="sourceLineNo">723</span> * Load an int local variable onto the stack. This instruction will<a name="line.723"></a>
<span class="sourceLineNo">724</span> * result in a <code>nop</code> until its local index is set.<a name="line.724"></a>
<span class="sourceLineNo">725</span> */<a name="line.725"></a>
<span class="sourceLineNo">726</span> public LoadInstruction iload() {<a name="line.726"></a>
<span class="sourceLineNo">727</span> return (LoadInstruction) addInstruction(new LoadInstruction(this).<a name="line.727"></a>
<span class="sourceLineNo">728</span> setType(int.class));<a name="line.728"></a>
<span class="sourceLineNo">729</span> }<a name="line.729"></a>
<span class="sourceLineNo">730</span><a name="line.730"></a>
<span class="sourceLineNo">731</span> /**<a name="line.731"></a>
<span class="sourceLineNo">732</span> * Load a long local variable onto the stack. This instruction will<a name="line.732"></a>
<span class="sourceLineNo">733</span> * result in a <code>nop</code> until its local index is set.<a name="line.733"></a>
<span class="sourceLineNo">734</span> */<a name="line.734"></a>
<span class="sourceLineNo">735</span> public LoadInstruction lload() {<a name="line.735"></a>
<span class="sourceLineNo">736</span> return (LoadInstruction) addInstruction(new LoadInstruction(this).<a name="line.736"></a>
<span class="sourceLineNo">737</span> setType(long.class));<a name="line.737"></a>
<span class="sourceLineNo">738</span> }<a name="line.738"></a>
<span class="sourceLineNo">739</span><a name="line.739"></a>
<span class="sourceLineNo">740</span> /**<a name="line.740"></a>
<span class="sourceLineNo">741</span> * Load a float local variable onto the stack. This instruction will<a name="line.741"></a>
<span class="sourceLineNo">742</span> * result in a <code>nop</code> until its local index is set.<a name="line.742"></a>
<span class="sourceLineNo">743</span> */<a name="line.743"></a>
<span class="sourceLineNo">744</span> public LoadInstruction fload() {<a name="line.744"></a>
<span class="sourceLineNo">745</span> return (LoadInstruction) addInstruction(new LoadInstruction(this).<a name="line.745"></a>
<span class="sourceLineNo">746</span> setType(float.class));<a name="line.746"></a>
<span class="sourceLineNo">747</span> }<a name="line.747"></a>
<span class="sourceLineNo">748</span><a name="line.748"></a>
<span class="sourceLineNo">749</span> /**<a name="line.749"></a>
<span class="sourceLineNo">750</span> * Load a double local variable onto the stack. This instruction will<a name="line.750"></a>
<span class="sourceLineNo">751</span> * result in a <code>nop</code> until its local index is set.<a name="line.751"></a>
<span class="sourceLineNo">752</span> */<a name="line.752"></a>
<span class="sourceLineNo">753</span> public LoadInstruction dload() {<a name="line.753"></a>
<span class="sourceLineNo">754</span> return (LoadInstruction) addInstruction(new LoadInstruction(this).<a name="line.754"></a>
<span class="sourceLineNo">755</span> setType(double.class));<a name="line.755"></a>
<span class="sourceLineNo">756</span> }<a name="line.756"></a>
<span class="sourceLineNo">757</span><a name="line.757"></a>
<span class="sourceLineNo">758</span> /**<a name="line.758"></a>
<span class="sourceLineNo">759</span> * Load an object local variable onto the stack. This instruction will<a name="line.759"></a>
<span class="sourceLineNo">760</span> * result in a <code>nop</code> until its local index is set.<a name="line.760"></a>
<span class="sourceLineNo">761</span> */<a name="line.761"></a>
<span class="sourceLineNo">762</span> public LoadInstruction aload() {<a name="line.762"></a>
<span class="sourceLineNo">763</span> return (LoadInstruction) addInstruction(new LoadInstruction(this).<a name="line.763"></a>
<span class="sourceLineNo">764</span> setType(Object.class));<a name="line.764"></a>
<span class="sourceLineNo">765</span> }<a name="line.765"></a>
<span class="sourceLineNo">766</span><a name="line.766"></a>
<span class="sourceLineNo">767</span> /**<a name="line.767"></a>
<span class="sourceLineNo">768</span> * Store a value from the stack into a local variable. This instruction<a name="line.768"></a>
<span class="sourceLineNo">769</span> * will result in a <code>nop</code> until its type and local index are set.<a name="line.769"></a>
<span class="sourceLineNo">770</span> */<a name="line.770"></a>
<span class="sourceLineNo">771</span> public StoreInstruction xstore() {<a name="line.771"></a>
<span class="sourceLineNo">772</span> return (StoreInstruction) addInstruction(new StoreInstruction(this));<a name="line.772"></a>
<span class="sourceLineNo">773</span> }<a name="line.773"></a>
<span class="sourceLineNo">774</span><a name="line.774"></a>
<span class="sourceLineNo">775</span> /**<a name="line.775"></a>
<span class="sourceLineNo">776</span> * Store an int value from the stack into a local variable. This<a name="line.776"></a>
<span class="sourceLineNo">777</span> * instruction will result in a <code>nop</code> until its local index is<a name="line.777"></a>
<span class="sourceLineNo">778</span> * set.<a name="line.778"></a>
<span class="sourceLineNo">779</span> */<a name="line.779"></a>
<span class="sourceLineNo">780</span> public StoreInstruction istore() {<a name="line.780"></a>
<span class="sourceLineNo">781</span> return (StoreInstruction) addInstruction(new StoreInstruction(this).<a name="line.781"></a>
<span class="sourceLineNo">782</span> setType(int.class));<a name="line.782"></a>
<span class="sourceLineNo">783</span> }<a name="line.783"></a>
<span class="sourceLineNo">784</span><a name="line.784"></a>
<span class="sourceLineNo">785</span> /**<a name="line.785"></a>
<span class="sourceLineNo">786</span> * Store a long value from the stack into a local variable. This<a name="line.786"></a>
<span class="sourceLineNo">787</span> * instruction will resultin a <code>nop</code> until its local index is<a name="line.787"></a>
<span class="sourceLineNo">788</span> * set.<a name="line.788"></a>
<span class="sourceLineNo">789</span> */<a name="line.789"></a>
<span class="sourceLineNo">790</span> public StoreInstruction lstore() {<a name="line.790"></a>
<span class="sourceLineNo">791</span> return (StoreInstruction) addInstruction(new StoreInstruction(this).<a name="line.791"></a>
<span class="sourceLineNo">792</span> setType(long.class));<a name="line.792"></a>
<span class="sourceLineNo">793</span> }<a name="line.793"></a>
<span class="sourceLineNo">794</span><a name="line.794"></a>
<span class="sourceLineNo">795</span> /**<a name="line.795"></a>
<span class="sourceLineNo">796</span> * Store a float value from the stack into a local variable. This<a name="line.796"></a>
<span class="sourceLineNo">797</span> * instruction will result in a <code>nop</code> until its local index is<a name="line.797"></a>
<span class="sourceLineNo">798</span> * set.<a name="line.798"></a>
<span class="sourceLineNo">799</span> */<a name="line.799"></a>
<span class="sourceLineNo">800</span> public StoreInstruction fstore() {<a name="line.800"></a>
<span class="sourceLineNo">801</span> return (StoreInstruction) addInstruction(new StoreInstruction(this).<a name="line.801"></a>
<span class="sourceLineNo">802</span> setType(float.class));<a name="line.802"></a>
<span class="sourceLineNo">803</span> }<a name="line.803"></a>
<span class="sourceLineNo">804</span><a name="line.804"></a>
<span class="sourceLineNo">805</span> /**<a name="line.805"></a>
<span class="sourceLineNo">806</span> * Store a double value from the stack into a local variable. This<a name="line.806"></a>
<span class="sourceLineNo">807</span> * instruction will result in a <code>nop</code> until its local index is<a name="line.807"></a>
<span class="sourceLineNo">808</span> * set.<a name="line.808"></a>
<span class="sourceLineNo">809</span> */<a name="line.809"></a>
<span class="sourceLineNo">810</span> public StoreInstruction dstore() {<a name="line.810"></a>
<span class="sourceLineNo">811</span> return (StoreInstruction) addInstruction(new StoreInstruction(this).<a name="line.811"></a>
<span class="sourceLineNo">812</span> setType(double.class));<a name="line.812"></a>
<span class="sourceLineNo">813</span> }<a name="line.813"></a>
<span class="sourceLineNo">814</span><a name="line.814"></a>
<span class="sourceLineNo">815</span> /**<a name="line.815"></a>
<span class="sourceLineNo">816</span> * Store an object value from the stack into a local variable. This<a name="line.816"></a>
<span class="sourceLineNo">817</span> * instruction will result in a <code>nop</code> until its local index is<a name="line.817"></a>
<span class="sourceLineNo">818</span> * set.<a name="line.818"></a>
<span class="sourceLineNo">819</span> */<a name="line.819"></a>
<span class="sourceLineNo">820</span> public StoreInstruction astore() {<a name="line.820"></a>
<span class="sourceLineNo">821</span> return (StoreInstruction) addInstruction(new StoreInstruction(this).<a name="line.821"></a>
<span class="sourceLineNo">822</span> setType(Object.class));<a name="line.822"></a>
<span class="sourceLineNo">823</span> }<a name="line.823"></a>
<span class="sourceLineNo">824</span><a name="line.824"></a>
<span class="sourceLineNo">825</span> /**<a name="line.825"></a>
<span class="sourceLineNo">826</span> * Add the <code>ret</code> opcode, used in implementing<a name="line.826"></a>
<span class="sourceLineNo">827</span> * <code>finally</code> clauses.<a name="line.827"></a>
<span class="sourceLineNo">828</span> */<a name="line.828"></a>
<span class="sourceLineNo">829</span> public RetInstruction ret() {<a name="line.829"></a>
<span class="sourceLineNo">830</span> return (RetInstruction) addInstruction(Constants.RET);<a name="line.830"></a>
<span class="sourceLineNo">831</span> }<a name="line.831"></a>
<span class="sourceLineNo">832</span><a name="line.832"></a>
<span class="sourceLineNo">833</span> /**<a name="line.833"></a>
<span class="sourceLineNo">834</span> * Add the <code>iinc</code> opcode.<a name="line.834"></a>
<span class="sourceLineNo">835</span> */<a name="line.835"></a>
<span class="sourceLineNo">836</span> public IIncInstruction iinc() {<a name="line.836"></a>
<span class="sourceLineNo">837</span> return (IIncInstruction) addInstruction(Constants.IINC);<a name="line.837"></a>
<span class="sourceLineNo">838</span> }<a name="line.838"></a>
<span class="sourceLineNo">839</span><a name="line.839"></a>
<span class="sourceLineNo">840</span> /**<a name="line.840"></a>
<span class="sourceLineNo">841</span> * Add the <code>wide</code> opcode.<a name="line.841"></a>
<span class="sourceLineNo">842</span> */<a name="line.842"></a>
<span class="sourceLineNo">843</span> public WideInstruction wide() {<a name="line.843"></a>
<span class="sourceLineNo">844</span> return (WideInstruction) addInstruction(Constants.WIDE);<a name="line.844"></a>
<span class="sourceLineNo">845</span> }<a name="line.845"></a>
<span class="sourceLineNo">846</span><a name="line.846"></a>
<span class="sourceLineNo">847</span> /**<a name="line.847"></a>
<span class="sourceLineNo">848</span> * Load an array value onto the stack. This instruction will result<a name="line.848"></a>
<span class="sourceLineNo">849</span> * in a <code>nop</code> until its type is set.<a name="line.849"></a>
<span class="sourceLineNo">850</span> */<a name="line.850"></a>
<span class="sourceLineNo">851</span> public ArrayLoadInstruction xaload() {<a name="line.851"></a>
<span class="sourceLineNo">852</span> return (ArrayLoadInstruction) addInstruction(new ArrayLoadInstruction(<a name="line.852"></a>
<span class="sourceLineNo">853</span> this));<a name="line.853"></a>
<span class="sourceLineNo">854</span> }<a name="line.854"></a>
<span class="sourceLineNo">855</span><a name="line.855"></a>
<span class="sourceLineNo">856</span> /**<a name="line.856"></a>
<span class="sourceLineNo">857</span> * Load an int array value onto the stack; the <code>iaload</code> opcode.<a name="line.857"></a>
<span class="sourceLineNo">858</span> */<a name="line.858"></a>
<span class="sourceLineNo">859</span> public ArrayLoadInstruction iaload() {<a name="line.859"></a>
<span class="sourceLineNo">860</span> return (ArrayLoadInstruction) addInstruction(Constants.IALOAD);<a name="line.860"></a>
<span class="sourceLineNo">861</span> }<a name="line.861"></a>
<span class="sourceLineNo">862</span><a name="line.862"></a>
<span class="sourceLineNo">863</span> /**<a name="line.863"></a>
<span class="sourceLineNo">864</span> * Load a long array value onto the stack; the <code>laload</code> opcode.<a name="line.864"></a>
<span class="sourceLineNo">865</span> */<a name="line.865"></a>
<span class="sourceLineNo">866</span> public ArrayLoadInstruction laload() {<a name="line.866"></a>
<span class="sourceLineNo">867</span> return (ArrayLoadInstruction) addInstruction(Constants.LALOAD);<a name="line.867"></a>
<span class="sourceLineNo">868</span> }<a name="line.868"></a>
<span class="sourceLineNo">869</span><a name="line.869"></a>
<span class="sourceLineNo">870</span> /**<a name="line.870"></a>
<span class="sourceLineNo">871</span> * Load a float array value onto the stack; the <code>faload</code> opcode.<a name="line.871"></a>
<span class="sourceLineNo">872</span> */<a name="line.872"></a>
<span class="sourceLineNo">873</span> public ArrayLoadInstruction faload() {<a name="line.873"></a>
<span class="sourceLineNo">874</span> return (ArrayLoadInstruction) addInstruction(Constants.FALOAD);<a name="line.874"></a>
<span class="sourceLineNo">875</span> }<a name="line.875"></a>
<span class="sourceLineNo">876</span><a name="line.876"></a>
<span class="sourceLineNo">877</span> /**<a name="line.877"></a>
<span class="sourceLineNo">878</span> * Load a double array value onto the stack; the <code>daload</code> opcode.<a name="line.878"></a>
<span class="sourceLineNo">879</span> */<a name="line.879"></a>
<span class="sourceLineNo">880</span> public ArrayLoadInstruction daload() {<a name="line.880"></a>
<span class="sourceLineNo">881</span> return (ArrayLoadInstruction) addInstruction(Constants.DALOAD);<a name="line.881"></a>
<span class="sourceLineNo">882</span> }<a name="line.882"></a>
<span class="sourceLineNo">883</span><a name="line.883"></a>
<span class="sourceLineNo">884</span> /**<a name="line.884"></a>
<span class="sourceLineNo">885</span> * Load an object array value onto the stack; the <code>aaload</code><a name="line.885"></a>
<span class="sourceLineNo">886</span> * opcode.<a name="line.886"></a>
<span class="sourceLineNo">887</span> */<a name="line.887"></a>
<span class="sourceLineNo">888</span> public ArrayLoadInstruction aaload() {<a name="line.888"></a>
<span class="sourceLineNo">889</span> return (ArrayLoadInstruction) addInstruction(Constants.AALOAD);<a name="line.889"></a>
<span class="sourceLineNo">890</span> }<a name="line.890"></a>
<span class="sourceLineNo">891</span><a name="line.891"></a>
<span class="sourceLineNo">892</span> /**<a name="line.892"></a>
<span class="sourceLineNo">893</span> * Load a byte array value onto the stack; the <code>baload</code> opcode.<a name="line.893"></a>
<span class="sourceLineNo">894</span> */<a name="line.894"></a>
<span class="sourceLineNo">895</span> public ArrayLoadInstruction baload() {<a name="line.895"></a>
<span class="sourceLineNo">896</span> return (ArrayLoadInstruction) addInstruction(Constants.BALOAD);<a name="line.896"></a>
<span class="sourceLineNo">897</span> }<a name="line.897"></a>
<span class="sourceLineNo">898</span><a name="line.898"></a>
<span class="sourceLineNo">899</span> /**<a name="line.899"></a>
<span class="sourceLineNo">900</span> * Load a char array value onto the stack; the <code>caload</code> opcode.<a name="line.900"></a>
<span class="sourceLineNo">901</span> */<a name="line.901"></a>
<span class="sourceLineNo">902</span> public ArrayLoadInstruction caload() {<a name="line.902"></a>
<span class="sourceLineNo">903</span> return (ArrayLoadInstruction) addInstruction(Constants.CALOAD);<a name="line.903"></a>
<span class="sourceLineNo">904</span> }<a name="line.904"></a>
<span class="sourceLineNo">905</span><a name="line.905"></a>
<span class="sourceLineNo">906</span> /**<a name="line.906"></a>
<span class="sourceLineNo">907</span> * Load a short array value onto the stack; the <code>saload</code> opcode.<a name="line.907"></a>
<span class="sourceLineNo">908</span> */<a name="line.908"></a>
<span class="sourceLineNo">909</span> public ArrayLoadInstruction saload() {<a name="line.909"></a>
<span class="sourceLineNo">910</span> return (ArrayLoadInstruction) addInstruction(Constants.SALOAD);<a name="line.910"></a>
<span class="sourceLineNo">911</span> }<a name="line.911"></a>
<span class="sourceLineNo">912</span><a name="line.912"></a>
<span class="sourceLineNo">913</span> /**<a name="line.913"></a>
<span class="sourceLineNo">914</span> * Store a value from the stack into an array. This instruction<a name="line.914"></a>
<span class="sourceLineNo">915</span> * will result in a <code>nop</code> until its type is set.<a name="line.915"></a>
<span class="sourceLineNo">916</span> */<a name="line.916"></a>
<span class="sourceLineNo">917</span> public ArrayStoreInstruction xastore() {<a name="line.917"></a>
<span class="sourceLineNo">918</span> return (ArrayStoreInstruction) addInstruction(new ArrayStoreInstruction(<a name="line.918"></a>
<span class="sourceLineNo">919</span> this));<a name="line.919"></a>
<span class="sourceLineNo">920</span> }<a name="line.920"></a>
<span class="sourceLineNo">921</span><a name="line.921"></a>
<span class="sourceLineNo">922</span> /**<a name="line.922"></a>
<span class="sourceLineNo">923</span> * Store an int value from the stack into an array; the<a name="line.923"></a>
<span class="sourceLineNo">924</span> * <code>iastore</code> opcode.<a name="line.924"></a>
<span class="sourceLineNo">925</span> */<a name="line.925"></a>
<span class="sourceLineNo">926</span> public ArrayStoreInstruction iastore() {<a name="line.926"></a>
<span class="sourceLineNo">927</span> return (ArrayStoreInstruction) addInstruction(Constants.IASTORE);<a name="line.927"></a>
<span class="sourceLineNo">928</span> }<a name="line.928"></a>
<span class="sourceLineNo">929</span><a name="line.929"></a>
<span class="sourceLineNo">930</span> /**<a name="line.930"></a>
<span class="sourceLineNo">931</span> * Store a long value from the stack into an array; the<a name="line.931"></a>
<span class="sourceLineNo">932</span> * <code>lastore</code> opcode.<a name="line.932"></a>
<span class="sourceLineNo">933</span> */<a name="line.933"></a>
<span class="sourceLineNo">934</span> public ArrayStoreInstruction lastore() {<a name="line.934"></a>
<span class="sourceLineNo">935</span> return (ArrayStoreInstruction) addInstruction(Constants.LASTORE);<a name="line.935"></a>
<span class="sourceLineNo">936</span> }<a name="line.936"></a>
<span class="sourceLineNo">937</span><a name="line.937"></a>
<span class="sourceLineNo">938</span> /**<a name="line.938"></a>
<span class="sourceLineNo">939</span> * Store a float value from the stack into an array; the<a name="line.939"></a>
<span class="sourceLineNo">940</span> * <code>fastore</code> opcode.<a name="line.940"></a>
<span class="sourceLineNo">941</span> */<a name="line.941"></a>
<span class="sourceLineNo">942</span> public ArrayStoreInstruction fastore() {<a name="line.942"></a>
<span class="sourceLineNo">943</span> return (ArrayStoreInstruction) addInstruction(Constants.FASTORE);<a name="line.943"></a>
<span class="sourceLineNo">944</span> }<a name="line.944"></a>
<span class="sourceLineNo">945</span><a name="line.945"></a>
<span class="sourceLineNo">946</span> /**<a name="line.946"></a>
<span class="sourceLineNo">947</span> * Store a double value from the stack into an array; the<a name="line.947"></a>
<span class="sourceLineNo">948</span> * <code>dastore</code> opcode.<a name="line.948"></a>
<span class="sourceLineNo">949</span> */<a name="line.949"></a>
<span class="sourceLineNo">950</span> public ArrayStoreInstruction dastore() {<a name="line.950"></a>
<span class="sourceLineNo">951</span> return (ArrayStoreInstruction) addInstruction(Constants.DASTORE);<a name="line.951"></a>
<span class="sourceLineNo">952</span> }<a name="line.952"></a>
<span class="sourceLineNo">953</span><a name="line.953"></a>
<span class="sourceLineNo">954</span> /**<a name="line.954"></a>
<span class="sourceLineNo">955</span> * Store an object value from the stack into an array; the<a name="line.955"></a>
<span class="sourceLineNo">956</span> * <code>aastore</code> opcode.<a name="line.956"></a>
<span class="sourceLineNo">957</span> */<a name="line.957"></a>
<span class="sourceLineNo">958</span> public ArrayStoreInstruction aastore() {<a name="line.958"></a>
<span class="sourceLineNo">959</span> return (ArrayStoreInstruction) addInstruction(Constants.AASTORE);<a name="line.959"></a>
<span class="sourceLineNo">960</span> }<a name="line.960"></a>
<span class="sourceLineNo">961</span><a name="line.961"></a>
<span class="sourceLineNo">962</span> /**<a name="line.962"></a>
<span class="sourceLineNo">963</span> * Store a byte value from the stack into an array; the<a name="line.963"></a>
<span class="sourceLineNo">964</span> * <code>bastore</code> opcode.<a name="line.964"></a>
<span class="sourceLineNo">965</span> */<a name="line.965"></a>
<span class="sourceLineNo">966</span> public ArrayStoreInstruction bastore() {<a name="line.966"></a>
<span class="sourceLineNo">967</span> return (ArrayStoreInstruction) addInstruction(Constants.BASTORE);<a name="line.967"></a>
<span class="sourceLineNo">968</span> }<a name="line.968"></a>
<span class="sourceLineNo">969</span><a name="line.969"></a>
<span class="sourceLineNo">970</span> /**<a name="line.970"></a>
<span class="sourceLineNo">971</span> * Store a char value from the stack into an array; the<a name="line.971"></a>
<span class="sourceLineNo">972</span> * <code>castore</code> opcode.<a name="line.972"></a>
<span class="sourceLineNo">973</span> */<a name="line.973"></a>
<span class="sourceLineNo">974</span> public ArrayStoreInstruction castore() {<a name="line.974"></a>
<span class="sourceLineNo">975</span> return (ArrayStoreInstruction) addInstruction(Constants.CASTORE);<a name="line.975"></a>
<span class="sourceLineNo">976</span> }<a name="line.976"></a>
<span class="sourceLineNo">977</span><a name="line.977"></a>
<span class="sourceLineNo">978</span> /**<a name="line.978"></a>
<span class="sourceLineNo">979</span> * Store a short value from the stack into an array; the<a name="line.979"></a>
<span class="sourceLineNo">980</span> * <code>sastore</code> opcode.<a name="line.980"></a>
<span class="sourceLineNo">981</span> */<a name="line.981"></a>
<span class="sourceLineNo">982</span> public ArrayStoreInstruction sastore() {<a name="line.982"></a>
<span class="sourceLineNo">983</span> return (ArrayStoreInstruction) addInstruction(Constants.SASTORE);<a name="line.983"></a>
<span class="sourceLineNo">984</span> }<a name="line.984"></a>
<span class="sourceLineNo">985</span><a name="line.985"></a>
<span class="sourceLineNo">986</span> /**<a name="line.986"></a>
<span class="sourceLineNo">987</span> * The <code>pop</code> opcode.<a name="line.987"></a>
<span class="sourceLineNo">988</span> */<a name="line.988"></a>
<span class="sourceLineNo">989</span> public StackInstruction pop() {<a name="line.989"></a>
<span class="sourceLineNo">990</span> return (StackInstruction) addInstruction(Constants.POP);<a name="line.990"></a>
<span class="sourceLineNo">991</span> }<a name="line.991"></a>
<span class="sourceLineNo">992</span><a name="line.992"></a>
<span class="sourceLineNo">993</span> /**<a name="line.993"></a>
<span class="sourceLineNo">994</span> * The <code>pop2</code> opcode.<a name="line.994"></a>
<span class="sourceLineNo">995</span> */<a name="line.995"></a>
<span class="sourceLineNo">996</span> public StackInstruction pop2() {<a name="line.996"></a>
<span class="sourceLineNo">997</span> return (StackInstruction) addInstruction(Constants.POP2);<a name="line.997"></a>
<span class="sourceLineNo">998</span> }<a name="line.998"></a>
<span class="sourceLineNo">999</span><a name="line.999"></a>
<span class="sourceLineNo">1000</span> /**<a name="line.1000"></a>
<span class="sourceLineNo">1001</span> * The <code>dup</code> opcode.<a name="line.1001"></a>
<span class="sourceLineNo">1002</span> */<a name="line.1002"></a>
<span class="sourceLineNo">1003</span> public StackInstruction dup() {<a name="line.1003"></a>
<span class="sourceLineNo">1004</span> return (StackInstruction) addInstruction(Constants.DUP);<a name="line.1004"></a>
<span class="sourceLineNo">1005</span> }<a name="line.1005"></a>
<span class="sourceLineNo">1006</span><a name="line.1006"></a>
<span class="sourceLineNo">1007</span> /**<a name="line.1007"></a>
<span class="sourceLineNo">1008</span> * The <code>dupx1</code> opcode.<a name="line.1008"></a>
<span class="sourceLineNo">1009</span> */<a name="line.1009"></a>
<span class="sourceLineNo">1010</span> public StackInstruction dupx1() {<a name="line.1010"></a>
<span class="sourceLineNo">1011</span> return (StackInstruction) addInstruction(Constants.DUPX1);<a name="line.1011"></a>
<span class="sourceLineNo">1012</span> }<a name="line.1012"></a>
<span class="sourceLineNo">1013</span><a name="line.1013"></a>
<span class="sourceLineNo">1014</span> /**<a name="line.1014"></a>
<span class="sourceLineNo">1015</span> * The <code>dupx2</code> opcode.<a name="line.1015"></a>
<span class="sourceLineNo">1016</span> */<a name="line.1016"></a>
<span class="sourceLineNo">1017</span> public StackInstruction dupx2() {<a name="line.1017"></a>
<span class="sourceLineNo">1018</span> return (StackInstruction) addInstruction(Constants.DUPX2);<a name="line.1018"></a>
<span class="sourceLineNo">1019</span> }<a name="line.1019"></a>
<span class="sourceLineNo">1020</span><a name="line.1020"></a>
<span class="sourceLineNo">1021</span> /**<a name="line.1021"></a>
<span class="sourceLineNo">1022</span> * The <code>dup2</code> opcode.<a name="line.1022"></a>
<span class="sourceLineNo">1023</span> */<a name="line.1023"></a>
<span class="sourceLineNo">1024</span> public StackInstruction dup2() {<a name="line.1024"></a>
<span class="sourceLineNo">1025</span> return (StackInstruction) addInstruction(Constants.DUP2);<a name="line.1025"></a>
<span class="sourceLineNo">1026</span> }<a name="line.1026"></a>
<span class="sourceLineNo">1027</span><a name="line.1027"></a>
<span class="sourceLineNo">1028</span> /**<a name="line.1028"></a>
<span class="sourceLineNo">1029</span> * The <code>dup2x1</code> opcode.<a name="line.1029"></a>
<span class="sourceLineNo">1030</span> */<a name="line.1030"></a>
<span class="sourceLineNo">1031</span> public StackInstruction dup2x1() {<a name="line.1031"></a>
<span class="sourceLineNo">1032</span> return (StackInstruction) addInstruction(Constants.DUP2X1);<a name="line.1032"></a>
<span class="sourceLineNo">1033</span> }<a name="line.1033"></a>
<span class="sourceLineNo">1034</span><a name="line.1034"></a>
<span class="sourceLineNo">1035</span> /**<a name="line.1035"></a>
<span class="sourceLineNo">1036</span> * The <code>dup2x2</code> opcode.<a name="line.1036"></a>
<span class="sourceLineNo">1037</span> */<a name="line.1037"></a>
<span class="sourceLineNo">1038</span> public StackInstruction dup2x2() {<a name="line.1038"></a>
<span class="sourceLineNo">1039</span> return (StackInstruction) addInstruction(Constants.DUP2X2);<a name="line.1039"></a>
<span class="sourceLineNo">1040</span> }<a name="line.1040"></a>
<span class="sourceLineNo">1041</span><a name="line.1041"></a>
<span class="sourceLineNo">1042</span> /**<a name="line.1042"></a>
<span class="sourceLineNo">1043</span> * The <code>swap</code> opcode.<a name="line.1043"></a>
<span class="sourceLineNo">1044</span> */<a name="line.1044"></a>
<span class="sourceLineNo">1045</span> public StackInstruction swap() {<a name="line.1045"></a>
<span class="sourceLineNo">1046</span> return (StackInstruction) addInstruction(Constants.SWAP);<a name="line.1046"></a>
<span class="sourceLineNo">1047</span> }<a name="line.1047"></a>
<span class="sourceLineNo">1048</span><a name="line.1048"></a>
<span class="sourceLineNo">1049</span> /**<a name="line.1049"></a>
<span class="sourceLineNo">1050</span> * Perform some math operation on the stack items. This instruction will<a name="line.1050"></a>
<span class="sourceLineNo">1051</span> * result in a <code>nop</code> until its operation and type are set.<a name="line.1051"></a>
<span class="sourceLineNo">1052</span> */<a name="line.1052"></a>
<span class="sourceLineNo">1053</span> public MathInstruction math() {<a name="line.1053"></a>
<span class="sourceLineNo">1054</span> return (MathInstruction) addInstruction(new MathInstruction(this));<a name="line.1054"></a>
<span class="sourceLineNo">1055</span> }<a name="line.1055"></a>
<span class="sourceLineNo">1056</span><a name="line.1056"></a>
<span class="sourceLineNo">1057</span> /**<a name="line.1057"></a>
<span class="sourceLineNo">1058</span> * Add the top two stack values. This instruction will result in<a name="line.1058"></a>
<span class="sourceLineNo">1059</span> * a <code>nop</code> until its type is set.<a name="line.1059"></a>
<span class="sourceLineNo">1060</span> */<a name="line.1060"></a>
<span class="sourceLineNo">1061</span> public MathInstruction xadd() {<a name="line.1061"></a>
<span class="sourceLineNo">1062</span> MathInstruction mi = math();<a name="line.1062"></a>
<span class="sourceLineNo">1063</span><a name="line.1063"></a>
<span class="sourceLineNo">1064</span> return mi.setOperation(Constants.MATH_ADD);<a name="line.1064"></a>
<span class="sourceLineNo">1065</span> }<a name="line.1065"></a>
<span class="sourceLineNo">1066</span><a name="line.1066"></a>
<span class="sourceLineNo">1067</span> /**<a name="line.1067"></a>
<span class="sourceLineNo">1068</span> * Add the top two stack int values; the <code>iadd</code> opcode.<a name="line.1068"></a>
<span class="sourceLineNo">1069</span> */<a name="line.1069"></a>
<span class="sourceLineNo">1070</span> public MathInstruction iadd() {<a name="line.1070"></a>
<span class="sourceLineNo">1071</span> return (MathInstruction) addInstruction(Constants.IADD);<a name="line.1071"></a>
<span class="sourceLineNo">1072</span> }<a name="line.1072"></a>
<span class="sourceLineNo">1073</span><a name="line.1073"></a>
<span class="sourceLineNo">1074</span> /**<a name="line.1074"></a>
<span class="sourceLineNo">1075</span> * Add the top two stack long values; the <code>ladd</code> opcode.<a name="line.1075"></a>
<span class="sourceLineNo">1076</span> */<a name="line.1076"></a>
<span class="sourceLineNo">1077</span> public MathInstruction ladd() {<a name="line.1077"></a>
<span class="sourceLineNo">1078</span> return (MathInstruction) addInstruction(Constants.LADD);<a name="line.1078"></a>
<span class="sourceLineNo">1079</span> }<a name="line.1079"></a>
<span class="sourceLineNo">1080</span><a name="line.1080"></a>
<span class="sourceLineNo">1081</span> /**<a name="line.1081"></a>
<span class="sourceLineNo">1082</span> * Add the top two stack float values; the <code>fadd</code> opcode.<a name="line.1082"></a>
<span class="sourceLineNo">1083</span> */<a name="line.1083"></a>
<span class="sourceLineNo">1084</span> public MathInstruction fadd() {<a name="line.1084"></a>
<span class="sourceLineNo">1085</span> return (MathInstruction) addInstruction(Constants.FADD);<a name="line.1085"></a>
<span class="sourceLineNo">1086</span> }<a name="line.1086"></a>
<span class="sourceLineNo">1087</span><a name="line.1087"></a>
<span class="sourceLineNo">1088</span> /**<a name="line.1088"></a>
<span class="sourceLineNo">1089</span> * Add the top two stack double values; the <code>dadd</code> opcode.<a name="line.1089"></a>
<span class="sourceLineNo">1090</span> */<a name="line.1090"></a>
<span class="sourceLineNo">1091</span> public MathInstruction dadd() {<a name="line.1091"></a>
<span class="sourceLineNo">1092</span> return (MathInstruction) addInstruction(Constants.DADD);<a name="line.1092"></a>
<span class="sourceLineNo">1093</span> }<a name="line.1093"></a>
<span class="sourceLineNo">1094</span><a name="line.1094"></a>
<span class="sourceLineNo">1095</span> /**<a name="line.1095"></a>
<span class="sourceLineNo">1096</span> * Subtract the top two stack values. This instruction will result in<a name="line.1096"></a>
<span class="sourceLineNo">1097</span> * a <code>nop</code> until its type is set.<a name="line.1097"></a>
<span class="sourceLineNo">1098</span> */<a name="line.1098"></a>
<span class="sourceLineNo">1099</span> public MathInstruction xsub() {<a name="line.1099"></a>
<span class="sourceLineNo">1100</span> MathInstruction mi = math();<a name="line.1100"></a>
<span class="sourceLineNo">1101</span> return mi.setOperation(Constants.MATH_SUB);<a name="line.1101"></a>
<span class="sourceLineNo">1102</span> }<a name="line.1102"></a>
<span class="sourceLineNo">1103</span><a name="line.1103"></a>
<span class="sourceLineNo">1104</span> /**<a name="line.1104"></a>
<span class="sourceLineNo">1105</span> * Subtract the top two stack int values; the <code>isub</code> opcode.<a name="line.1105"></a>
<span class="sourceLineNo">1106</span> */<a name="line.1106"></a>
<span class="sourceLineNo">1107</span> public MathInstruction isub() {<a name="line.1107"></a>
<span class="sourceLineNo">1108</span> return (MathInstruction) addInstruction(Constants.ISUB);<a name="line.1108"></a>
<span class="sourceLineNo">1109</span> }<a name="line.1109"></a>
<span class="sourceLineNo">1110</span><a name="line.1110"></a>
<span class="sourceLineNo">1111</span> /**<a name="line.1111"></a>
<span class="sourceLineNo">1112</span> * Subtract the top two stack long values; the <code>lsub</code> opcode.<a name="line.1112"></a>
<span class="sourceLineNo">1113</span> */<a name="line.1113"></a>
<span class="sourceLineNo">1114</span> public MathInstruction lsub() {<a name="line.1114"></a>
<span class="sourceLineNo">1115</span> return (MathInstruction) addInstruction(Constants.LSUB);<a name="line.1115"></a>
<span class="sourceLineNo">1116</span> }<a name="line.1116"></a>
<span class="sourceLineNo">1117</span><a name="line.1117"></a>
<span class="sourceLineNo">1118</span> /**<a name="line.1118"></a>
<span class="sourceLineNo">1119</span> * Subtract the top two stack float values; the <code>fsub</code> opcode.<a name="line.1119"></a>
<span class="sourceLineNo">1120</span> */<a name="line.1120"></a>
<span class="sourceLineNo">1121</span> public MathInstruction fsub() {<a name="line.1121"></a>
<span class="sourceLineNo">1122</span> return (MathInstruction) addInstruction(Constants.FSUB);<a name="line.1122"></a>
<span class="sourceLineNo">1123</span> }<a name="line.1123"></a>
<span class="sourceLineNo">1124</span><a name="line.1124"></a>
<span class="sourceLineNo">1125</span> /**<a name="line.1125"></a>
<span class="sourceLineNo">1126</span> * Subtract the top two stack double values; the <code>dsub</code> opcode.<a name="line.1126"></a>
<span class="sourceLineNo">1127</span> */<a name="line.1127"></a>
<span class="sourceLineNo">1128</span> public MathInstruction dsub() {<a name="line.1128"></a>
<span class="sourceLineNo">1129</span> return (MathInstruction) addInstruction(Constants.DSUB);<a name="line.1129"></a>
<span class="sourceLineNo">1130</span> }<a name="line.1130"></a>
<span class="sourceLineNo">1131</span><a name="line.1131"></a>
<span class="sourceLineNo">1132</span> /**<a name="line.1132"></a>
<span class="sourceLineNo">1133</span> * Multiply the top two stack values. This instruction will result in<a name="line.1133"></a>
<span class="sourceLineNo">1134</span> * a <code>nop</code> until its type is set.<a name="line.1134"></a>
<span class="sourceLineNo">1135</span> */<a name="line.1135"></a>
<span class="sourceLineNo">1136</span> public MathInstruction xmul() {<a name="line.1136"></a>
<span class="sourceLineNo">1137</span> MathInstruction mi = math();<a name="line.1137"></a>
<span class="sourceLineNo">1138</span> return mi.setOperation(Constants.MATH_MUL);<a name="line.1138"></a>
<span class="sourceLineNo">1139</span> }<a name="line.1139"></a>
<span class="sourceLineNo">1140</span><a name="line.1140"></a>
<span class="sourceLineNo">1141</span> /**<a name="line.1141"></a>
<span class="sourceLineNo">1142</span> * Multiply the top two stack int values; the <code>imul</code> opcode.<a name="line.1142"></a>
<span class="sourceLineNo">1143</span> */<a name="line.1143"></a>
<span class="sourceLineNo">1144</span> public MathInstruction imul() {<a name="line.1144"></a>
<span class="sourceLineNo">1145</span> return (MathInstruction) addInstruction(Constants.IMUL);<a name="line.1145"></a>
<span class="sourceLineNo">1146</span> }<a name="line.1146"></a>
<span class="sourceLineNo">1147</span><a name="line.1147"></a>
<span class="sourceLineNo">1148</span> /**<a name="line.1148"></a>
<span class="sourceLineNo">1149</span> * Multiply the top two stack long values; the <code>lmul</code> opcode.<a name="line.1149"></a>
<span class="sourceLineNo">1150</span> */<a name="line.1150"></a>
<span class="sourceLineNo">1151</span> public MathInstruction lmul() {<a name="line.1151"></a>
<span class="sourceLineNo">1152</span> return (MathInstruction) addInstruction(Constants.LMUL);<a name="line.1152"></a>
<span class="sourceLineNo">1153</span> }<a name="line.1153"></a>
<span class="sourceLineNo">1154</span><a name="line.1154"></a>
<span class="sourceLineNo">1155</span> /**<a name="line.1155"></a>
<span class="sourceLineNo">1156</span> * Multiply the top two stack float values; the <code>fmul</code> opcode.<a name="line.1156"></a>
<span class="sourceLineNo">1157</span> */<a name="line.1157"></a>
<span class="sourceLineNo">1158</span> public MathInstruction fmul() {<a name="line.1158"></a>
<span class="sourceLineNo">1159</span> return (MathInstruction) addInstruction(Constants.FMUL);<a name="line.1159"></a>
<span class="sourceLineNo">1160</span> }<a name="line.1160"></a>
<span class="sourceLineNo">1161</span><a name="line.1161"></a>
<span class="sourceLineNo">1162</span> /**<a name="line.1162"></a>
<span class="sourceLineNo">1163</span> * Multiply the top two stack double values; the <code>dmul</code> opcode.<a name="line.1163"></a>
<span class="sourceLineNo">1164</span> */<a name="line.1164"></a>
<span class="sourceLineNo">1165</span> public MathInstruction dmul() {<a name="line.1165"></a>
<span class="sourceLineNo">1166</span> return (MathInstruction) addInstruction(Constants.DMUL);<a name="line.1166"></a>
<span class="sourceLineNo">1167</span> }<a name="line.1167"></a>
<span class="sourceLineNo">1168</span><a name="line.1168"></a>
<span class="sourceLineNo">1169</span> /**<a name="line.1169"></a>
<span class="sourceLineNo">1170</span> * Divide the top two stack values. This instruction will result in<a name="line.1170"></a>
<span class="sourceLineNo">1171</span> * a <code>nop</code> until its type is set.<a name="line.1171"></a>
<span class="sourceLineNo">1172</span> */<a name="line.1172"></a>
<span class="sourceLineNo">1173</span> public MathInstruction xdiv() {<a name="line.1173"></a>
<span class="sourceLineNo">1174</span> MathInstruction mi = math();<a name="line.1174"></a>
<span class="sourceLineNo">1175</span> return mi.setOperation(Constants.MATH_DIV);<a name="line.1175"></a>
<span class="sourceLineNo">1176</span> }<a name="line.1176"></a>
<span class="sourceLineNo">1177</span><a name="line.1177"></a>
<span class="sourceLineNo">1178</span> /**<a name="line.1178"></a>
<span class="sourceLineNo">1179</span> * Divide the top two stack int values; the <code>idiv</code> opcode.<a name="line.1179"></a>
<span class="sourceLineNo">1180</span> */<a name="line.1180"></a>
<span class="sourceLineNo">1181</span> public MathInstruction idiv() {<a name="line.1181"></a>
<span class="sourceLineNo">1182</span> return (MathInstruction) addInstruction(Constants.IDIV);<a name="line.1182"></a>
<span class="sourceLineNo">1183</span> }<a name="line.1183"></a>
<span class="sourceLineNo">1184</span><a name="line.1184"></a>
<span class="sourceLineNo">1185</span> /**<a name="line.1185"></a>
<span class="sourceLineNo">1186</span> * Divide the top two stack long values; the <code>ldiv</code> opcode.<a name="line.1186"></a>
<span class="sourceLineNo">1187</span> */<a name="line.1187"></a>
<span class="sourceLineNo">1188</span> public MathInstruction ldiv() {<a name="line.1188"></a>
<span class="sourceLineNo">1189</span> return (MathInstruction) addInstruction(Constants.LDIV);<a name="line.1189"></a>
<span class="sourceLineNo">1190</span> }<a name="line.1190"></a>
<span class="sourceLineNo">1191</span><a name="line.1191"></a>
<span class="sourceLineNo">1192</span> /**<a name="line.1192"></a>
<span class="sourceLineNo">1193</span> * Divide the top two stack float values; the <code>fdiv</code> opcode.<a name="line.1193"></a>
<span class="sourceLineNo">1194</span> */<a name="line.1194"></a>
<span class="sourceLineNo">1195</span> public MathInstruction fdiv() {<a name="line.1195"></a>
<span class="sourceLineNo">1196</span> return (MathInstruction) addInstruction(Constants.FDIV);<a name="line.1196"></a>
<span class="sourceLineNo">1197</span> }<a name="line.1197"></a>
<span class="sourceLineNo">1198</span><a name="line.1198"></a>
<span class="sourceLineNo">1199</span> /**<a name="line.1199"></a>
<span class="sourceLineNo">1200</span> * Divide the top two stack double values; the <code>ddiv</code> opcode.<a name="line.1200"></a>
<span class="sourceLineNo">1201</span> */<a name="line.1201"></a>
<span class="sourceLineNo">1202</span> public MathInstruction ddiv() {<a name="line.1202"></a>
<span class="sourceLineNo">1203</span> return (MathInstruction) addInstruction(Constants.DDIV);<a name="line.1203"></a>
<span class="sourceLineNo">1204</span> }<a name="line.1204"></a>
<span class="sourceLineNo">1205</span><a name="line.1205"></a>
<span class="sourceLineNo">1206</span> /**<a name="line.1206"></a>
<span class="sourceLineNo">1207</span> * Take the remainder of the top two stack values. This instruction will<a name="line.1207"></a>
<span class="sourceLineNo">1208</span> * result in a <code>nop</code> until its type is set.<a name="line.1208"></a>
<span class="sourceLineNo">1209</span> */<a name="line.1209"></a>
<span class="sourceLineNo">1210</span> public MathInstruction xrem() {<a name="line.1210"></a>
<span class="sourceLineNo">1211</span> MathInstruction mi = math();<a name="line.1211"></a>
<span class="sourceLineNo">1212</span> return mi.setOperation(Constants.MATH_REM);<a name="line.1212"></a>
<span class="sourceLineNo">1213</span> }<a name="line.1213"></a>
<span class="sourceLineNo">1214</span><a name="line.1214"></a>
<span class="sourceLineNo">1215</span> /**<a name="line.1215"></a>
<span class="sourceLineNo">1216</span> * Take the remainder of the top two int stack values; the<a name="line.1216"></a>
<span class="sourceLineNo">1217</span> * <code>irem</code> opcode.<a name="line.1217"></a>
<span class="sourceLineNo">1218</span> */<a name="line.1218"></a>
<span class="sourceLineNo">1219</span> public MathInstruction irem() {<a name="line.1219"></a>
<span class="sourceLineNo">1220</span> return (MathInstruction) addInstruction(Constants.IREM);<a name="line.1220"></a>
<span class="sourceLineNo">1221</span> }<a name="line.1221"></a>
<span class="sourceLineNo">1222</span><a name="line.1222"></a>
<span class="sourceLineNo">1223</span> /**<a name="line.1223"></a>
<span class="sourceLineNo">1224</span> * Take the remainder of the top two long stack values; the<a name="line.1224"></a>
<span class="sourceLineNo">1225</span> * <code>lrem</code> opcode.<a name="line.1225"></a>
<span class="sourceLineNo">1226</span> */<a name="line.1226"></a>
<span class="sourceLineNo">1227</span> public MathInstruction lrem() {<a name="line.1227"></a>
<span class="sourceLineNo">1228</span> return (MathInstruction) addInstruction(Constants.LREM);<a name="line.1228"></a>
<span class="sourceLineNo">1229</span> }<a name="line.1229"></a>
<span class="sourceLineNo">1230</span><a name="line.1230"></a>
<span class="sourceLineNo">1231</span> /**<a name="line.1231"></a>
<span class="sourceLineNo">1232</span> * Take the remainder of the top two float stack values; the<a name="line.1232"></a>
<span class="sourceLineNo">1233</span> * <code>frem</code> opcode.<a name="line.1233"></a>
<span class="sourceLineNo">1234</span> */<a name="line.1234"></a>
<span class="sourceLineNo">1235</span> public MathInstruction frem() {<a name="line.1235"></a>
<span class="sourceLineNo">1236</span> return (MathInstruction) addInstruction(Constants.FREM);<a name="line.1236"></a>
<span class="sourceLineNo">1237</span> }<a name="line.1237"></a>
<span class="sourceLineNo">1238</span><a name="line.1238"></a>
<span class="sourceLineNo">1239</span> /**<a name="line.1239"></a>
<span class="sourceLineNo">1240</span> * Take the remainder of the top two double stack values; the<a name="line.1240"></a>
<span class="sourceLineNo">1241</span> * <code>drem</code> opcode.<a name="line.1241"></a>
<span class="sourceLineNo">1242</span> */<a name="line.1242"></a>
<span class="sourceLineNo">1243</span> public MathInstruction drem() {<a name="line.1243"></a>
<span class="sourceLineNo">1244</span> return (MathInstruction) addInstruction(Constants.DREM);<a name="line.1244"></a>
<span class="sourceLineNo">1245</span> }<a name="line.1245"></a>
<span class="sourceLineNo">1246</span><a name="line.1246"></a>
<span class="sourceLineNo">1247</span> /**<a name="line.1247"></a>
<span class="sourceLineNo">1248</span> * Negate the top stack value. This instruction will result in a<a name="line.1248"></a>
<span class="sourceLineNo">1249</span> * <code>nop</code> until its type is set.<a name="line.1249"></a>
<span class="sourceLineNo">1250</span> */<a name="line.1250"></a>
<span class="sourceLineNo">1251</span> public MathInstruction xneg() {<a name="line.1251"></a>
<span class="sourceLineNo">1252</span> MathInstruction mi = math();<a name="line.1252"></a>
<span class="sourceLineNo">1253</span> return mi.setOperation(Constants.MATH_NEG);<a name="line.1253"></a>
<span class="sourceLineNo">1254</span> }<a name="line.1254"></a>
<span class="sourceLineNo">1255</span><a name="line.1255"></a>
<span class="sourceLineNo">1256</span> /**<a name="line.1256"></a>
<span class="sourceLineNo">1257</span> * Negate the top stack int value; the <code>ineg</code> opcode.<a name="line.1257"></a>
<span class="sourceLineNo">1258</span> */<a name="line.1258"></a>
<span class="sourceLineNo">1259</span> public MathInstruction ineg() {<a name="line.1259"></a>
<span class="sourceLineNo">1260</span> return (MathInstruction) addInstruction(Constants.INEG);<a name="line.1260"></a>
<span class="sourceLineNo">1261</span> }<a name="line.1261"></a>
<span class="sourceLineNo">1262</span><a name="line.1262"></a>
<span class="sourceLineNo">1263</span> /**<a name="line.1263"></a>
<span class="sourceLineNo">1264</span> * Negate the top stack long value; the <code>lneg</code> opcode.<a name="line.1264"></a>
<span class="sourceLineNo">1265</span> */<a name="line.1265"></a>
<span class="sourceLineNo">1266</span> public MathInstruction lneg() {<a name="line.1266"></a>
<span class="sourceLineNo">1267</span> return (MathInstruction) addInstruction(Constants.LNEG);<a name="line.1267"></a>
<span class="sourceLineNo">1268</span> }<a name="line.1268"></a>
<span class="sourceLineNo">1269</span><a name="line.1269"></a>
<span class="sourceLineNo">1270</span> /**<a name="line.1270"></a>
<span class="sourceLineNo">1271</span> * Negate the top stack float value; the <code>fneg</code> opcode.<a name="line.1271"></a>
<span class="sourceLineNo">1272</span> */<a name="line.1272"></a>
<span class="sourceLineNo">1273</span> public MathInstruction fneg() {<a name="line.1273"></a>
<span class="sourceLineNo">1274</span> return (MathInstruction) addInstruction(Constants.FNEG);<a name="line.1274"></a>
<span class="sourceLineNo">1275</span> }<a name="line.1275"></a>
<span class="sourceLineNo">1276</span><a name="line.1276"></a>
<span class="sourceLineNo">1277</span> /**<a name="line.1277"></a>
<span class="sourceLineNo">1278</span> * Negate the top stack double value; the <code>dneg</code> opcode.<a name="line.1278"></a>
<span class="sourceLineNo">1279</span> */<a name="line.1279"></a>
<span class="sourceLineNo">1280</span> public MathInstruction dneg() {<a name="line.1280"></a>
<span class="sourceLineNo">1281</span> return (MathInstruction) addInstruction(Constants.DNEG);<a name="line.1281"></a>
<span class="sourceLineNo">1282</span> }<a name="line.1282"></a>
<span class="sourceLineNo">1283</span><a name="line.1283"></a>
<span class="sourceLineNo">1284</span> /**<a name="line.1284"></a>
<span class="sourceLineNo">1285</span> * Shift the top stack values. This instruction will result in a<a name="line.1285"></a>
<span class="sourceLineNo">1286</span> * <code>nop</code> until its type is set.<a name="line.1286"></a>
<span class="sourceLineNo">1287</span> */<a name="line.1287"></a>
<span class="sourceLineNo">1288</span> public MathInstruction xshl() {<a name="line.1288"></a>
<span class="sourceLineNo">1289</span> MathInstruction mi = math();<a name="line.1289"></a>
<span class="sourceLineNo">1290</span> return mi.setOperation(Constants.MATH_SHL);<a name="line.1290"></a>
<span class="sourceLineNo">1291</span> }<a name="line.1291"></a>
<span class="sourceLineNo">1292</span><a name="line.1292"></a>
<span class="sourceLineNo">1293</span> /**<a name="line.1293"></a>
<span class="sourceLineNo">1294</span> * Shift the top stack int values; the <code>ishl</code> opcode.<a name="line.1294"></a>
<span class="sourceLineNo">1295</span> */<a name="line.1295"></a>
<span class="sourceLineNo">1296</span> public MathInstruction ishl() {<a name="line.1296"></a>
<span class="sourceLineNo">1297</span> return (MathInstruction) addInstruction(Constants.ISHL);<a name="line.1297"></a>
<span class="sourceLineNo">1298</span> }<a name="line.1298"></a>
<span class="sourceLineNo">1299</span><a name="line.1299"></a>
<span class="sourceLineNo">1300</span> /**<a name="line.1300"></a>
<span class="sourceLineNo">1301</span> * Shift the top stack long values; the <code>lshl</code> opcode.<a name="line.1301"></a>
<span class="sourceLineNo">1302</span> */<a name="line.1302"></a>
<span class="sourceLineNo">1303</span> public MathInstruction lshl() {<a name="line.1303"></a>
<span class="sourceLineNo">1304</span> return (MathInstruction) addInstruction(Constants.LSHL);<a name="line.1304"></a>
<span class="sourceLineNo">1305</span> }<a name="line.1305"></a>
<span class="sourceLineNo">1306</span><a name="line.1306"></a>
<span class="sourceLineNo">1307</span> /**<a name="line.1307"></a>
<span class="sourceLineNo">1308</span> * Shift the top stack values. This instruction will result in a<a name="line.1308"></a>
<span class="sourceLineNo">1309</span> * <code>nop</code> until its type is set.<a name="line.1309"></a>
<span class="sourceLineNo">1310</span> */<a name="line.1310"></a>
<span class="sourceLineNo">1311</span> public MathInstruction xshr() {<a name="line.1311"></a>
<span class="sourceLineNo">1312</span> MathInstruction mi = math();<a name="line.1312"></a>
<span class="sourceLineNo">1313</span> return mi.setOperation(Constants.MATH_SHR);<a name="line.1313"></a>
<span class="sourceLineNo">1314</span> }<a name="line.1314"></a>
<span class="sourceLineNo">1315</span><a name="line.1315"></a>
<span class="sourceLineNo">1316</span> /**<a name="line.1316"></a>
<span class="sourceLineNo">1317</span> * Shift the top stack int values; the <code>ishr</code> opcode.<a name="line.1317"></a>
<span class="sourceLineNo">1318</span> */<a name="line.1318"></a>
<span class="sourceLineNo">1319</span> public MathInstruction ishr() {<a name="line.1319"></a>
<span class="sourceLineNo">1320</span> return (MathInstruction) addInstruction(Constants.ISHR);<a name="line.1320"></a>
<span class="sourceLineNo">1321</span> }<a name="line.1321"></a>
<span class="sourceLineNo">1322</span><a name="line.1322"></a>
<span class="sourceLineNo">1323</span> /**<a name="line.1323"></a>
<span class="sourceLineNo">1324</span> * Shift the top stack long values; the <code>lshr</code> opcode.<a name="line.1324"></a>
<span class="sourceLineNo">1325</span> */<a name="line.1325"></a>
<span class="sourceLineNo">1326</span> public MathInstruction lshr() {<a name="line.1326"></a>
<span class="sourceLineNo">1327</span> return (MathInstruction) addInstruction(Constants.LSHR);<a name="line.1327"></a>
<span class="sourceLineNo">1328</span> }<a name="line.1328"></a>
<span class="sourceLineNo">1329</span><a name="line.1329"></a>
<span class="sourceLineNo">1330</span> /**<a name="line.1330"></a>
<span class="sourceLineNo">1331</span> * Shift the top stack values. This instruction will result in a<a name="line.1331"></a>
<span class="sourceLineNo">1332</span> * <code>nop</code> until its type is set.<a name="line.1332"></a>
<span class="sourceLineNo">1333</span> */<a name="line.1333"></a>
<span class="sourceLineNo">1334</span> public MathInstruction xushr() {<a name="line.1334"></a>
<span class="sourceLineNo">1335</span> MathInstruction mi = math();<a name="line.1335"></a>
<span class="sourceLineNo">1336</span> return mi.setOperation(Constants.MATH_USHR);<a name="line.1336"></a>
<span class="sourceLineNo">1337</span> }<a name="line.1337"></a>
<span class="sourceLineNo">1338</span><a name="line.1338"></a>
<span class="sourceLineNo">1339</span> /**<a name="line.1339"></a>
<span class="sourceLineNo">1340</span> * Shift the top stack int values; the <code>iushr</code> opcode.<a name="line.1340"></a>
<span class="sourceLineNo">1341</span> */<a name="line.1341"></a>
<span class="sourceLineNo">1342</span> public MathInstruction iushr() {<a name="line.1342"></a>
<span class="sourceLineNo">1343</span> return (MathInstruction) addInstruction(Constants.IUSHR);<a name="line.1343"></a>
<span class="sourceLineNo">1344</span> }<a name="line.1344"></a>
<span class="sourceLineNo">1345</span><a name="line.1345"></a>
<span class="sourceLineNo">1346</span> /**<a name="line.1346"></a>
<span class="sourceLineNo">1347</span> * Shift the top stack long values; the <code>lushr</code> opcode.<a name="line.1347"></a>
<span class="sourceLineNo">1348</span> */<a name="line.1348"></a>
<span class="sourceLineNo">1349</span> public MathInstruction lushr() {<a name="line.1349"></a>
<span class="sourceLineNo">1350</span> return (MathInstruction) addInstruction(Constants.LUSHR);<a name="line.1350"></a>
<span class="sourceLineNo">1351</span> }<a name="line.1351"></a>
<span class="sourceLineNo">1352</span><a name="line.1352"></a>
<span class="sourceLineNo">1353</span> /**<a name="line.1353"></a>
<span class="sourceLineNo">1354</span> * Take the mathematical and of the top two stack values. This instruction<a name="line.1354"></a>
<span class="sourceLineNo">1355</span> * results in a <code>nop</code> until its type is set.<a name="line.1355"></a>
<span class="sourceLineNo">1356</span> */<a name="line.1356"></a>
<span class="sourceLineNo">1357</span> public MathInstruction xand() {<a name="line.1357"></a>
<span class="sourceLineNo">1358</span> MathInstruction mi = math();<a name="line.1358"></a>
<span class="sourceLineNo">1359</span> return mi.setOperation(Constants.MATH_AND);<a name="line.1359"></a>
<span class="sourceLineNo">1360</span> }<a name="line.1360"></a>
<span class="sourceLineNo">1361</span><a name="line.1361"></a>
<span class="sourceLineNo">1362</span> /**<a name="line.1362"></a>
<span class="sourceLineNo">1363</span> * Take the mathematical and of the top two stack int values; the<a name="line.1363"></a>
<span class="sourceLineNo">1364</span> * <code>iand</code> opcode.<a name="line.1364"></a>
<span class="sourceLineNo">1365</span> */<a name="line.1365"></a>
<span class="sourceLineNo">1366</span> public MathInstruction iand() {<a name="line.1366"></a>
<span class="sourceLineNo">1367</span> return (MathInstruction) addInstruction(Constants.IAND);<a name="line.1367"></a>
<span class="sourceLineNo">1368</span> }<a name="line.1368"></a>
<span class="sourceLineNo">1369</span><a name="line.1369"></a>
<span class="sourceLineNo">1370</span> /**<a name="line.1370"></a>
<span class="sourceLineNo">1371</span> * Take the mathematical and of the top two stack long values; the<a name="line.1371"></a>
<span class="sourceLineNo">1372</span> * <code>land</code> opcode.<a name="line.1372"></a>
<span class="sourceLineNo">1373</span> */<a name="line.1373"></a>
<span class="sourceLineNo">1374</span> public MathInstruction land() {<a name="line.1374"></a>
<span class="sourceLineNo">1375</span> return (MathInstruction) addInstruction(Constants.LAND);<a name="line.1375"></a>
<span class="sourceLineNo">1376</span> }<a name="line.1376"></a>
<span class="sourceLineNo">1377</span><a name="line.1377"></a>
<span class="sourceLineNo">1378</span> /**<a name="line.1378"></a>
<span class="sourceLineNo">1379</span> * Take the mathematical or of the top two stack values. This instruction<a name="line.1379"></a>
<span class="sourceLineNo">1380</span> * results in a <code>nop</code> until its type is set.<a name="line.1380"></a>
<span class="sourceLineNo">1381</span> */<a name="line.1381"></a>
<span class="sourceLineNo">1382</span> public MathInstruction xor() {<a name="line.1382"></a>
<span class="sourceLineNo">1383</span> MathInstruction mi = math();<a name="line.1383"></a>
<span class="sourceLineNo">1384</span> return mi.setOperation(Constants.MATH_OR);<a name="line.1384"></a>
<span class="sourceLineNo">1385</span> }<a name="line.1385"></a>
<span class="sourceLineNo">1386</span><a name="line.1386"></a>
<span class="sourceLineNo">1387</span> /**<a name="line.1387"></a>
<span class="sourceLineNo">1388</span> * Take the mathematical or of the top two stack int values; the<a name="line.1388"></a>
<span class="sourceLineNo">1389</span> * <code>ior</code> opcode.<a name="line.1389"></a>
<span class="sourceLineNo">1390</span> */<a name="line.1390"></a>
<span class="sourceLineNo">1391</span> public MathInstruction ior() {<a name="line.1391"></a>
<span class="sourceLineNo">1392</span> return (MathInstruction) addInstruction(Constants.IOR);<a name="line.1392"></a>
<span class="sourceLineNo">1393</span> }<a name="line.1393"></a>
<span class="sourceLineNo">1394</span><a name="line.1394"></a>
<span class="sourceLineNo">1395</span> /**<a name="line.1395"></a>
<span class="sourceLineNo">1396</span> * Take the mathematical or of the top two stack long values; the<a name="line.1396"></a>
<span class="sourceLineNo">1397</span> * <code>lor</code> opcode.<a name="line.1397"></a>
<span class="sourceLineNo">1398</span> */<a name="line.1398"></a>
<span class="sourceLineNo">1399</span> public MathInstruction lor() {<a name="line.1399"></a>
<span class="sourceLineNo">1400</span> return (MathInstruction) addInstruction(Constants.LOR);<a name="line.1400"></a>
<span class="sourceLineNo">1401</span> }<a name="line.1401"></a>
<span class="sourceLineNo">1402</span><a name="line.1402"></a>
<span class="sourceLineNo">1403</span> /**<a name="line.1403"></a>
<span class="sourceLineNo">1404</span> * Take the mathematical xor of the top two stack values. This instruction<a name="line.1404"></a>
<span class="sourceLineNo">1405</span> * results in a <code>nop</code> until its type is set.<a name="line.1405"></a>
<span class="sourceLineNo">1406</span> */<a name="line.1406"></a>
<span class="sourceLineNo">1407</span> public MathInstruction xxor() {<a name="line.1407"></a>
<span class="sourceLineNo">1408</span> MathInstruction mi = math();<a name="line.1408"></a>
<span class="sourceLineNo">1409</span> return mi.setOperation(Constants.MATH_XOR);<a name="line.1409"></a>
<span class="sourceLineNo">1410</span> }<a name="line.1410"></a>
<span class="sourceLineNo">1411</span><a name="line.1411"></a>
<span class="sourceLineNo">1412</span> /**<a name="line.1412"></a>
<span class="sourceLineNo">1413</span> * Take the mathematical xor of the top two stack int values; the<a name="line.1413"></a>
<span class="sourceLineNo">1414</span> * <code>ixor</code> opcode.<a name="line.1414"></a>
<span class="sourceLineNo">1415</span> */<a name="line.1415"></a>
<span class="sourceLineNo">1416</span> public MathInstruction ixor() {<a name="line.1416"></a>
<span class="sourceLineNo">1417</span> return (MathInstruction) addInstruction(Constants.IXOR);<a name="line.1417"></a>
<span class="sourceLineNo">1418</span> }<a name="line.1418"></a>
<span class="sourceLineNo">1419</span><a name="line.1419"></a>
<span class="sourceLineNo">1420</span> /**<a name="line.1420"></a>
<span class="sourceLineNo">1421</span> * Take the mathematical xor of the top two stack long values; the<a name="line.1421"></a>
<span class="sourceLineNo">1422</span> * <code>lxor</code> opcode.<a name="line.1422"></a>
<span class="sourceLineNo">1423</span> */<a name="line.1423"></a>
<span class="sourceLineNo">1424</span> public MathInstruction lxor() {<a name="line.1424"></a>
<span class="sourceLineNo">1425</span> return (MathInstruction) addInstruction(Constants.LXOR);<a name="line.1425"></a>
<span class="sourceLineNo">1426</span> }<a name="line.1426"></a>
<span class="sourceLineNo">1427</span><a name="line.1427"></a>
<span class="sourceLineNo">1428</span> /**<a name="line.1428"></a>
<span class="sourceLineNo">1429</span> * Convert the top stack value to another type. This instruction<a name="line.1429"></a>
<span class="sourceLineNo">1430</span> * will result in a <code>nop</code> until the types to convert<a name="line.1430"></a>
<span class="sourceLineNo">1431</span> * between are set.<a name="line.1431"></a>
<span class="sourceLineNo">1432</span> */<a name="line.1432"></a>
<span class="sourceLineNo">1433</span> public ConvertInstruction convert() {<a name="line.1433"></a>
<span class="sourceLineNo">1434</span> return (ConvertInstruction)addInstruction(new ConvertInstruction(this));<a name="line.1434"></a>
<span class="sourceLineNo">1435</span> }<a name="line.1435"></a>
<span class="sourceLineNo">1436</span><a name="line.1436"></a>
<span class="sourceLineNo">1437</span> /**<a name="line.1437"></a>
<span class="sourceLineNo">1438</span> * Compare the top two stack values. This instruction will result in a<a name="line.1438"></a>
<span class="sourceLineNo">1439</span> * <code>nop</code> until its type is set.<a name="line.1439"></a>
<span class="sourceLineNo">1440</span> */<a name="line.1440"></a>
<span class="sourceLineNo">1441</span> public CmpInstruction xcmp() {<a name="line.1441"></a>
<span class="sourceLineNo">1442</span> return (CmpInstruction) addInstruction(new CmpInstruction(this));<a name="line.1442"></a>
<span class="sourceLineNo">1443</span> }<a name="line.1443"></a>
<span class="sourceLineNo">1444</span><a name="line.1444"></a>
<span class="sourceLineNo">1445</span> /**<a name="line.1445"></a>
<span class="sourceLineNo">1446</span> * Compare the top two stack values; the <code>lcmp</code> opcode.<a name="line.1446"></a>
<span class="sourceLineNo">1447</span> */<a name="line.1447"></a>
<span class="sourceLineNo">1448</span> public CmpInstruction lcmp() {<a name="line.1448"></a>
<span class="sourceLineNo">1449</span> return (CmpInstruction) addInstruction(Constants.LCMP);<a name="line.1449"></a>
<span class="sourceLineNo">1450</span> }<a name="line.1450"></a>
<span class="sourceLineNo">1451</span><a name="line.1451"></a>
<span class="sourceLineNo">1452</span> /**<a name="line.1452"></a>
<span class="sourceLineNo">1453</span> * Compare the top two stack values; the <code>fcmpl</code> opcode.<a name="line.1453"></a>
<span class="sourceLineNo">1454</span> */<a name="line.1454"></a>
<span class="sourceLineNo">1455</span> public CmpInstruction fcmpl() {<a name="line.1455"></a>
<span class="sourceLineNo">1456</span> return (CmpInstruction) addInstruction(Constants.FCMPL);<a name="line.1456"></a>
<span class="sourceLineNo">1457</span> }<a name="line.1457"></a>
<span class="sourceLineNo">1458</span><a name="line.1458"></a>
<span class="sourceLineNo">1459</span> /**<a name="line.1459"></a>
<span class="sourceLineNo">1460</span> * Compare the top two stack values; the <code>fcmpg</code> opcode.<a name="line.1460"></a>
<span class="sourceLineNo">1461</span> */<a name="line.1461"></a>
<span class="sourceLineNo">1462</span> public CmpInstruction fcmpg() {<a name="line.1462"></a>
<span class="sourceLineNo">1463</span> return (CmpInstruction) addInstruction(Constants.FCMPG);<a name="line.1463"></a>
<span class="sourceLineNo">1464</span> }<a name="line.1464"></a>
<span class="sourceLineNo">1465</span><a name="line.1465"></a>
<span class="sourceLineNo">1466</span> /**<a name="line.1466"></a>
<span class="sourceLineNo">1467</span> * Compare the top two stack values; the <code>dcmpl</code> opcode.<a name="line.1467"></a>
<span class="sourceLineNo">1468</span> */<a name="line.1468"></a>
<span class="sourceLineNo">1469</span> public CmpInstruction dcmpl() {<a name="line.1469"></a>
<span class="sourceLineNo">1470</span> return (CmpInstruction) addInstruction(Constants.DCMPL);<a name="line.1470"></a>
<span class="sourceLineNo">1471</span> }<a name="line.1471"></a>
<span class="sourceLineNo">1472</span><a name="line.1472"></a>
<span class="sourceLineNo">1473</span> /**<a name="line.1473"></a>
<span class="sourceLineNo">1474</span> * Compare the top two stack values; the <code>dcmpg</code> opcode.<a name="line.1474"></a>
<span class="sourceLineNo">1475</span> */<a name="line.1475"></a>
<span class="sourceLineNo">1476</span> public CmpInstruction dcmpg() {<a name="line.1476"></a>
<span class="sourceLineNo">1477</span> return (CmpInstruction) addInstruction(Constants.DCMPG);<a name="line.1477"></a>
<span class="sourceLineNo">1478</span> }<a name="line.1478"></a>
<span class="sourceLineNo">1479</span><a name="line.1479"></a>
<span class="sourceLineNo">1480</span> /**<a name="line.1480"></a>
<span class="sourceLineNo">1481</span> * The <code>ifeq</code> opcode.<a name="line.1481"></a>
<span class="sourceLineNo">1482</span> */<a name="line.1482"></a>
<span class="sourceLineNo">1483</span> public IfInstruction ifeq() {<a name="line.1483"></a>
<span class="sourceLineNo">1484</span> return (IfInstruction) addInstruction(Constants.IFEQ);<a name="line.1484"></a>
<span class="sourceLineNo">1485</span> }<a name="line.1485"></a>
<span class="sourceLineNo">1486</span><a name="line.1486"></a>
<span class="sourceLineNo">1487</span> /**<a name="line.1487"></a>
<span class="sourceLineNo">1488</span> * The <code>ifne</code> opcode.<a name="line.1488"></a>
<span class="sourceLineNo">1489</span> */<a name="line.1489"></a>
<span class="sourceLineNo">1490</span> public IfInstruction ifne() {<a name="line.1490"></a>
<span class="sourceLineNo">1491</span> return (IfInstruction) addInstruction(Constants.IFNE);<a name="line.1491"></a>
<span class="sourceLineNo">1492</span> }<a name="line.1492"></a>
<span class="sourceLineNo">1493</span><a name="line.1493"></a>
<span class="sourceLineNo">1494</span> /**<a name="line.1494"></a>
<span class="sourceLineNo">1495</span> * The <code>iflt</code> opcode.<a name="line.1495"></a>
<span class="sourceLineNo">1496</span> */<a name="line.1496"></a>
<span class="sourceLineNo">1497</span> public IfInstruction iflt() {<a name="line.1497"></a>
<span class="sourceLineNo">1498</span> return (IfInstruction) addInstruction(Constants.IFLT);<a name="line.1498"></a>
<span class="sourceLineNo">1499</span> }<a name="line.1499"></a>
<span class="sourceLineNo">1500</span><a name="line.1500"></a>
<span class="sourceLineNo">1501</span> /**<a name="line.1501"></a>
<span class="sourceLineNo">1502</span> * The <code>ifge</code> opcode.<a name="line.1502"></a>
<span class="sourceLineNo">1503</span> */<a name="line.1503"></a>
<span class="sourceLineNo">1504</span> public IfInstruction ifge() {<a name="line.1504"></a>
<span class="sourceLineNo">1505</span> return (IfInstruction) addInstruction(Constants.IFGE);<a name="line.1505"></a>
<span class="sourceLineNo">1506</span> }<a name="line.1506"></a>
<span class="sourceLineNo">1507</span><a name="line.1507"></a>
<span class="sourceLineNo">1508</span> /**<a name="line.1508"></a>
<span class="sourceLineNo">1509</span> * The <code>ifgt</code> opcode.<a name="line.1509"></a>
<span class="sourceLineNo">1510</span> */<a name="line.1510"></a>
<span class="sourceLineNo">1511</span> public IfInstruction ifgt() {<a name="line.1511"></a>
<span class="sourceLineNo">1512</span> return (IfInstruction) addInstruction(Constants.IFGT);<a name="line.1512"></a>
<span class="sourceLineNo">1513</span> }<a name="line.1513"></a>
<span class="sourceLineNo">1514</span><a name="line.1514"></a>
<span class="sourceLineNo">1515</span> /**<a name="line.1515"></a>
<span class="sourceLineNo">1516</span> * The <code>ifle</code> opcode.<a name="line.1516"></a>
<span class="sourceLineNo">1517</span> */<a name="line.1517"></a>
<span class="sourceLineNo">1518</span> public IfInstruction ifle() {<a name="line.1518"></a>
<span class="sourceLineNo">1519</span> return (IfInstruction) addInstruction(Constants.IFLE);<a name="line.1519"></a>
<span class="sourceLineNo">1520</span> }<a name="line.1520"></a>
<span class="sourceLineNo">1521</span><a name="line.1521"></a>
<span class="sourceLineNo">1522</span> /**<a name="line.1522"></a>
<span class="sourceLineNo">1523</span> * The <code>ificmpeq</code> opcode.<a name="line.1523"></a>
<span class="sourceLineNo">1524</span> */<a name="line.1524"></a>
<span class="sourceLineNo">1525</span> public IfInstruction ificmpeq() {<a name="line.1525"></a>
<span class="sourceLineNo">1526</span> return (IfInstruction) addInstruction(Constants.IFICMPEQ);<a name="line.1526"></a>
<span class="sourceLineNo">1527</span> }<a name="line.1527"></a>
<span class="sourceLineNo">1528</span><a name="line.1528"></a>
<span class="sourceLineNo">1529</span> /**<a name="line.1529"></a>
<span class="sourceLineNo">1530</span> * The <code>ificmpne</code> opcode.<a name="line.1530"></a>
<span class="sourceLineNo">1531</span> */<a name="line.1531"></a>
<span class="sourceLineNo">1532</span> public IfInstruction ificmpne() {<a name="line.1532"></a>
<span class="sourceLineNo">1533</span> return (IfInstruction) addInstruction(Constants.IFICMPNE);<a name="line.1533"></a>
<span class="sourceLineNo">1534</span> }<a name="line.1534"></a>
<span class="sourceLineNo">1535</span><a name="line.1535"></a>
<span class="sourceLineNo">1536</span> /**<a name="line.1536"></a>
<span class="sourceLineNo">1537</span> * The <code>ificmplt</code> opcode.<a name="line.1537"></a>
<span class="sourceLineNo">1538</span> */<a name="line.1538"></a>
<span class="sourceLineNo">1539</span> public IfInstruction ificmplt() {<a name="line.1539"></a>
<span class="sourceLineNo">1540</span> return (IfInstruction) addInstruction(Constants.IFICMPLT);<a name="line.1540"></a>
<span class="sourceLineNo">1541</span> }<a name="line.1541"></a>
<span class="sourceLineNo">1542</span><a name="line.1542"></a>
<span class="sourceLineNo">1543</span> /**<a name="line.1543"></a>
<span class="sourceLineNo">1544</span> * The <code>ificmpge</code> opcode.<a name="line.1544"></a>
<span class="sourceLineNo">1545</span> */<a name="line.1545"></a>
<span class="sourceLineNo">1546</span> public IfInstruction ificmpge() {<a name="line.1546"></a>
<span class="sourceLineNo">1547</span> return (IfInstruction) addInstruction(Constants.IFICMPGE);<a name="line.1547"></a>
<span class="sourceLineNo">1548</span> }<a name="line.1548"></a>
<span class="sourceLineNo">1549</span><a name="line.1549"></a>
<span class="sourceLineNo">1550</span> /**<a name="line.1550"></a>
<span class="sourceLineNo">1551</span> * The <code>ificmpgt</code> opcode.<a name="line.1551"></a>
<span class="sourceLineNo">1552</span> */<a name="line.1552"></a>
<span class="sourceLineNo">1553</span> public IfInstruction ificmpgt() {<a name="line.1553"></a>
<span class="sourceLineNo">1554</span> return (IfInstruction) addInstruction(Constants.IFICMPGT);<a name="line.1554"></a>
<span class="sourceLineNo">1555</span> }<a name="line.1555"></a>
<span class="sourceLineNo">1556</span><a name="line.1556"></a>
<span class="sourceLineNo">1557</span> /**<a name="line.1557"></a>
<span class="sourceLineNo">1558</span> * The <code>ificmple</code> opcode.<a name="line.1558"></a>
<span class="sourceLineNo">1559</span> */<a name="line.1559"></a>
<span class="sourceLineNo">1560</span> public IfInstruction ificmple() {<a name="line.1560"></a>
<span class="sourceLineNo">1561</span> return (IfInstruction) addInstruction(Constants.IFICMPLE);<a name="line.1561"></a>
<span class="sourceLineNo">1562</span> }<a name="line.1562"></a>
<span class="sourceLineNo">1563</span><a name="line.1563"></a>
<span class="sourceLineNo">1564</span> /**<a name="line.1564"></a>
<span class="sourceLineNo">1565</span> * The <code>ifacmpeq</code> opcode.<a name="line.1565"></a>
<span class="sourceLineNo">1566</span> */<a name="line.1566"></a>
<span class="sourceLineNo">1567</span> public IfInstruction ifacmpeq() {<a name="line.1567"></a>
<span class="sourceLineNo">1568</span> return (IfInstruction) addInstruction(Constants.IFACMPEQ);<a name="line.1568"></a>
<span class="sourceLineNo">1569</span> }<a name="line.1569"></a>
<span class="sourceLineNo">1570</span><a name="line.1570"></a>
<span class="sourceLineNo">1571</span> /**<a name="line.1571"></a>
<span class="sourceLineNo">1572</span> * The <code>ifacmpne</code> opcode.<a name="line.1572"></a>
<span class="sourceLineNo">1573</span> */<a name="line.1573"></a>
<span class="sourceLineNo">1574</span> public IfInstruction ifacmpne() {<a name="line.1574"></a>
<span class="sourceLineNo">1575</span> return (IfInstruction) addInstruction(Constants.IFACMPNE);<a name="line.1575"></a>
<span class="sourceLineNo">1576</span> }<a name="line.1576"></a>
<span class="sourceLineNo">1577</span><a name="line.1577"></a>
<span class="sourceLineNo">1578</span> /**<a name="line.1578"></a>
<span class="sourceLineNo">1579</span> * The <code>ifnull</code> opcode.<a name="line.1579"></a>
<span class="sourceLineNo">1580</span> */<a name="line.1580"></a>
<span class="sourceLineNo">1581</span> public IfInstruction ifnull() {<a name="line.1581"></a>
<span class="sourceLineNo">1582</span> return (IfInstruction) addInstruction(Constants.IFNULL);<a name="line.1582"></a>
<span class="sourceLineNo">1583</span> }<a name="line.1583"></a>
<span class="sourceLineNo">1584</span><a name="line.1584"></a>
<span class="sourceLineNo">1585</span> /**<a name="line.1585"></a>
<span class="sourceLineNo">1586</span> * The <code>ifnonnull</code> opcode.<a name="line.1586"></a>
<span class="sourceLineNo">1587</span> */<a name="line.1587"></a>
<span class="sourceLineNo">1588</span> public IfInstruction ifnonnull() {<a name="line.1588"></a>
<span class="sourceLineNo">1589</span> return (IfInstruction) addInstruction(Constants.IFNONNULL);<a name="line.1589"></a>
<span class="sourceLineNo">1590</span> }<a name="line.1590"></a>
<span class="sourceLineNo">1591</span><a name="line.1591"></a>
<span class="sourceLineNo">1592</span> /**<a name="line.1592"></a>
<span class="sourceLineNo">1593</span> * The <code>go2</code> opcode.<a name="line.1593"></a>
<span class="sourceLineNo">1594</span> */<a name="line.1594"></a>
<span class="sourceLineNo">1595</span> public JumpInstruction go2() {<a name="line.1595"></a>
<span class="sourceLineNo">1596</span> return (JumpInstruction) addInstruction(Constants.GOTO);<a name="line.1596"></a>
<span class="sourceLineNo">1597</span> }<a name="line.1597"></a>
<span class="sourceLineNo">1598</span><a name="line.1598"></a>
<span class="sourceLineNo">1599</span> /**<a name="line.1599"></a>
<span class="sourceLineNo">1600</span> * The <code>jsr</code> opcode used in implementing <code>finally</code><a name="line.1600"></a>
<span class="sourceLineNo">1601</span> * clauses.<a name="line.1601"></a>
<span class="sourceLineNo">1602</span> */<a name="line.1602"></a>
<span class="sourceLineNo">1603</span> public JumpInstruction jsr() {<a name="line.1603"></a>
<span class="sourceLineNo">1604</span> return (JumpInstruction) addInstruction(Constants.JSR);<a name="line.1604"></a>
<span class="sourceLineNo">1605</span> }<a name="line.1605"></a>
<span class="sourceLineNo">1606</span><a name="line.1606"></a>
<span class="sourceLineNo">1607</span> /**<a name="line.1607"></a>
<span class="sourceLineNo">1608</span> * The <code>tableswitch</code> opcode.<a name="line.1608"></a>
<span class="sourceLineNo">1609</span> */<a name="line.1609"></a>
<span class="sourceLineNo">1610</span> public TableSwitchInstruction tableswitch() {<a name="line.1610"></a>
<span class="sourceLineNo">1611</span> return (TableSwitchInstruction) addInstruction(Constants.TABLESWITCH);<a name="line.1611"></a>
<span class="sourceLineNo">1612</span> }<a name="line.1612"></a>
<span class="sourceLineNo">1613</span><a name="line.1613"></a>
<span class="sourceLineNo">1614</span> /**<a name="line.1614"></a>
<span class="sourceLineNo">1615</span> * The <code>lookupswitch</code> opcode.<a name="line.1615"></a>
<span class="sourceLineNo">1616</span> */<a name="line.1616"></a>
<span class="sourceLineNo">1617</span> public LookupSwitchInstruction lookupswitch() {<a name="line.1617"></a>
<span class="sourceLineNo">1618</span> return (LookupSwitchInstruction) addInstruction(Constants.LOOKUPSWITCH);<a name="line.1618"></a>
<span class="sourceLineNo">1619</span> }<a name="line.1619"></a>
<span class="sourceLineNo">1620</span><a name="line.1620"></a>
<span class="sourceLineNo">1621</span> /**<a name="line.1621"></a>
<span class="sourceLineNo">1622</span> * Return from a method. This method will result in a<a name="line.1622"></a>
<span class="sourceLineNo">1623</span> * <code>nop</code> until its type is set.<a name="line.1623"></a>
<span class="sourceLineNo">1624</span> */<a name="line.1624"></a>
<span class="sourceLineNo">1625</span> public ReturnInstruction xreturn() {<a name="line.1625"></a>
<span class="sourceLineNo">1626</span> return (ReturnInstruction) addInstruction(new ReturnInstruction(this));<a name="line.1626"></a>
<span class="sourceLineNo">1627</span> }<a name="line.1627"></a>
<span class="sourceLineNo">1628</span><a name="line.1628"></a>
<span class="sourceLineNo">1629</span> /**<a name="line.1629"></a>
<span class="sourceLineNo">1630</span> * Return void from a method; the <code>return</code> opcode.<a name="line.1630"></a>
<span class="sourceLineNo">1631</span> */<a name="line.1631"></a>
<span class="sourceLineNo">1632</span> public ReturnInstruction vreturn() {<a name="line.1632"></a>
<span class="sourceLineNo">1633</span> return (ReturnInstruction) addInstruction(Constants.RETURN);<a name="line.1633"></a>
<span class="sourceLineNo">1634</span> }<a name="line.1634"></a>
<span class="sourceLineNo">1635</span><a name="line.1635"></a>
<span class="sourceLineNo">1636</span> /**<a name="line.1636"></a>
<span class="sourceLineNo">1637</span> * Return an int from a method; the <code>ireturn</code> opcode.<a name="line.1637"></a>
<span class="sourceLineNo">1638</span> */<a name="line.1638"></a>
<span class="sourceLineNo">1639</span> public ReturnInstruction ireturn() {<a name="line.1639"></a>
<span class="sourceLineNo">1640</span> return (ReturnInstruction) addInstruction(Constants.IRETURN);<a name="line.1640"></a>
<span class="sourceLineNo">1641</span> }<a name="line.1641"></a>
<span class="sourceLineNo">1642</span><a name="line.1642"></a>
<span class="sourceLineNo">1643</span> /**<a name="line.1643"></a>
<span class="sourceLineNo">1644</span> * Return a long from a method; the <code>lreturn</code> opcode.<a name="line.1644"></a>
<span class="sourceLineNo">1645</span> */<a name="line.1645"></a>
<span class="sourceLineNo">1646</span> public ReturnInstruction lreturn() {<a name="line.1646"></a>
<span class="sourceLineNo">1647</span> return (ReturnInstruction) addInstruction(Constants.LRETURN);<a name="line.1647"></a>
<span class="sourceLineNo">1648</span> }<a name="line.1648"></a>
<span class="sourceLineNo">1649</span><a name="line.1649"></a>
<span class="sourceLineNo">1650</span> /**<a name="line.1650"></a>
<span class="sourceLineNo">1651</span> * Return a float from a method; the <code>freturn</code> opcode.<a name="line.1651"></a>
<span class="sourceLineNo">1652</span> */<a name="line.1652"></a>
<span class="sourceLineNo">1653</span> public ReturnInstruction freturn() {<a name="line.1653"></a>
<span class="sourceLineNo">1654</span> return (ReturnInstruction) addInstruction(Constants.FRETURN);<a name="line.1654"></a>
<span class="sourceLineNo">1655</span> }<a name="line.1655"></a>
<span class="sourceLineNo">1656</span><a name="line.1656"></a>
<span class="sourceLineNo">1657</span> /**<a name="line.1657"></a>
<span class="sourceLineNo">1658</span> * Return a double from a method; the <code>dreturn</code> opcode.<a name="line.1658"></a>
<span class="sourceLineNo">1659</span> */<a name="line.1659"></a>
<span class="sourceLineNo">1660</span> public ReturnInstruction dreturn() {<a name="line.1660"></a>
<span class="sourceLineNo">1661</span> return (ReturnInstruction) addInstruction(Constants.DRETURN);<a name="line.1661"></a>
<span class="sourceLineNo">1662</span> }<a name="line.1662"></a>
<span class="sourceLineNo">1663</span><a name="line.1663"></a>
<span class="sourceLineNo">1664</span> /**<a name="line.1664"></a>
<span class="sourceLineNo">1665</span> * Return an object from a method; the <code>areturn</code> opcode.<a name="line.1665"></a>
<span class="sourceLineNo">1666</span> */<a name="line.1666"></a>
<span class="sourceLineNo">1667</span> public ReturnInstruction areturn() {<a name="line.1667"></a>
<span class="sourceLineNo">1668</span> return (ReturnInstruction) addInstruction(Constants.ARETURN);<a name="line.1668"></a>
<span class="sourceLineNo">1669</span> }<a name="line.1669"></a>
<span class="sourceLineNo">1670</span><a name="line.1670"></a>
<span class="sourceLineNo">1671</span> /**<a name="line.1671"></a>
<span class="sourceLineNo">1672</span> * Load the value from a field onto the stack; the <code>getfield</code><a name="line.1672"></a>
<span class="sourceLineNo">1673</span> * opcode.<a name="line.1673"></a>
<span class="sourceLineNo">1674</span> */<a name="line.1674"></a>
<span class="sourceLineNo">1675</span> public GetFieldInstruction getfield() {<a name="line.1675"></a>
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<span class="sourceLineNo">1678</span><a name="line.1678"></a>
<span class="sourceLineNo">1679</span> /**<a name="line.1679"></a>
<span class="sourceLineNo">1680</span> * Load the value from a static field onto the stack; the<a name="line.1680"></a>
<span class="sourceLineNo">1681</span> * <code>getstatic</code> opcode.<a name="line.1681"></a>
<span class="sourceLineNo">1682</span> */<a name="line.1682"></a>
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<span class="sourceLineNo">1686</span><a name="line.1686"></a>
<span class="sourceLineNo">1687</span> /**<a name="line.1687"></a>
<span class="sourceLineNo">1688</span> * Place the value of a field onto the stack; the <code>putfield</code><a name="line.1688"></a>
<span class="sourceLineNo">1689</span> * opcode.<a name="line.1689"></a>
<span class="sourceLineNo">1690</span> */<a name="line.1690"></a>
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<span class="sourceLineNo">1692</span> return (PutFieldInstruction) addInstruction(Constants.PUTFIELD);<a name="line.1692"></a>
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<span class="sourceLineNo">1694</span><a name="line.1694"></a>
<span class="sourceLineNo">1695</span> /**<a name="line.1695"></a>
<span class="sourceLineNo">1696</span> * Place the value of a static field onto the stack; the<a name="line.1696"></a>
<span class="sourceLineNo">1697</span> * <code>putstatic</code> opcode.<a name="line.1697"></a>
<span class="sourceLineNo">1698</span> */<a name="line.1698"></a>
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<span class="sourceLineNo">1701</span> }<a name="line.1701"></a>
<span class="sourceLineNo">1702</span><a name="line.1702"></a>
<span class="sourceLineNo">1703</span> /**<a name="line.1703"></a>
<span class="sourceLineNo">1704</span> * Invoke a virtual method; the <code>invokevirtual</code> opcode.<a name="line.1704"></a>
<span class="sourceLineNo">1705</span> */<a name="line.1705"></a>
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<span class="sourceLineNo">1707</span> return (MethodInstruction) addInstruction(Constants.INVOKEVIRTUAL);<a name="line.1707"></a>
<span class="sourceLineNo">1708</span> }<a name="line.1708"></a>
<span class="sourceLineNo">1709</span><a name="line.1709"></a>
<span class="sourceLineNo">1710</span> /**<a name="line.1710"></a>
<span class="sourceLineNo">1711</span> * Invoke a method non-virtually, as for constructors and superclass<a name="line.1711"></a>
<span class="sourceLineNo">1712</span> * methods; the <code>invokespecial</code> opcode.<a name="line.1712"></a>
<span class="sourceLineNo">1713</span> */<a name="line.1713"></a>
<span class="sourceLineNo">1714</span> public MethodInstruction invokespecial() {<a name="line.1714"></a>
<span class="sourceLineNo">1715</span> return (MethodInstruction) addInstruction(Constants.INVOKESPECIAL);<a name="line.1715"></a>
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<span class="sourceLineNo">1717</span><a name="line.1717"></a>
<span class="sourceLineNo">1718</span> /**<a name="line.1718"></a>
<span class="sourceLineNo">1719</span> * Invoke a method on an interface; the <code>invokeinterface</code> opcode.<a name="line.1719"></a>
<span class="sourceLineNo">1720</span> */<a name="line.1720"></a>
<span class="sourceLineNo">1721</span> public MethodInstruction invokeinterface() {<a name="line.1721"></a>
<span class="sourceLineNo">1722</span> return (MethodInstruction) addInstruction(Constants.INVOKEINTERFACE);<a name="line.1722"></a>
<span class="sourceLineNo">1723</span> }<a name="line.1723"></a>
<span class="sourceLineNo">1724</span><a name="line.1724"></a>
<span class="sourceLineNo">1725</span> /**<a name="line.1725"></a>
<span class="sourceLineNo">1726</span> * Invoke a static method; the <code>invokestatic</code> opcode.<a name="line.1726"></a>
<span class="sourceLineNo">1727</span> */<a name="line.1727"></a>
<span class="sourceLineNo">1728</span> public MethodInstruction invokestatic() {<a name="line.1728"></a>
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<span class="sourceLineNo">1730</span> }<a name="line.1730"></a>
<span class="sourceLineNo">1731</span> <a name="line.1731"></a>
<span class="sourceLineNo">1732</span> /**<a name="line.1732"></a>
<span class="sourceLineNo">1733</span> * Invoke a dynamic method; the <code>invokedynamic</code> opcode.<a name="line.1733"></a>
<span class="sourceLineNo">1734</span> */<a name="line.1734"></a>
<span class="sourceLineNo">1735</span> public MethodInstruction invokedynamic() {<a name="line.1735"></a>
<span class="sourceLineNo">1736</span> return (MethodInstruction) addInstruction(Constants.INVOKEDYNAMIC);<a name="line.1736"></a>
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<span class="sourceLineNo">1738</span><a name="line.1738"></a>
<span class="sourceLineNo">1739</span> /**<a name="line.1739"></a>
<span class="sourceLineNo">1740</span> * Create a new instance of an object; the <code>new</code> opcode.<a name="line.1740"></a>
<span class="sourceLineNo">1741</span> */<a name="line.1741"></a>
<span class="sourceLineNo">1742</span> public ClassInstruction anew() {<a name="line.1742"></a>
<span class="sourceLineNo">1743</span> return (ClassInstruction) addInstruction(Constants.NEW);<a name="line.1743"></a>
<span class="sourceLineNo">1744</span> }<a name="line.1744"></a>
<span class="sourceLineNo">1745</span><a name="line.1745"></a>
<span class="sourceLineNo">1746</span> /**<a name="line.1746"></a>
<span class="sourceLineNo">1747</span> * Create a new instance of an object array; the <code>anew</code> opcode.<a name="line.1747"></a>
<span class="sourceLineNo">1748</span> */<a name="line.1748"></a>
<span class="sourceLineNo">1749</span> public ClassInstruction anewarray() {<a name="line.1749"></a>
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<span class="sourceLineNo">1751</span> }<a name="line.1751"></a>
<span class="sourceLineNo">1752</span><a name="line.1752"></a>
<span class="sourceLineNo">1753</span> /**<a name="line.1753"></a>
<span class="sourceLineNo">1754</span> * Cast an object on the stack to another type; the <code>checkcast</code><a name="line.1754"></a>
<span class="sourceLineNo">1755</span> * opcode.<a name="line.1755"></a>
<span class="sourceLineNo">1756</span> */<a name="line.1756"></a>
<span class="sourceLineNo">1757</span> public ClassInstruction checkcast() {<a name="line.1757"></a>
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<span class="sourceLineNo">1759</span> }<a name="line.1759"></a>
<span class="sourceLineNo">1760</span><a name="line.1760"></a>
<span class="sourceLineNo">1761</span> /**<a name="line.1761"></a>
<span class="sourceLineNo">1762</span> * Test if a stack object is an instance of a class; the<a name="line.1762"></a>
<span class="sourceLineNo">1763</span> * <code>instanceof</code> opcode.<a name="line.1763"></a>
<span class="sourceLineNo">1764</span> */<a name="line.1764"></a>
<span class="sourceLineNo">1765</span> public ClassInstruction isinstance() {<a name="line.1765"></a>
<span class="sourceLineNo">1766</span> return (ClassInstruction) addInstruction(Constants.INSTANCEOF);<a name="line.1766"></a>
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<span class="sourceLineNo">1768</span><a name="line.1768"></a>
<span class="sourceLineNo">1769</span> /**<a name="line.1769"></a>
<span class="sourceLineNo">1770</span> * Create a new multidimensional array; the <code>multianewarray</code><a name="line.1770"></a>
<span class="sourceLineNo">1771</span> * opcode.<a name="line.1771"></a>
<span class="sourceLineNo">1772</span> */<a name="line.1772"></a>
<span class="sourceLineNo">1773</span> public MultiANewArrayInstruction multianewarray() {<a name="line.1773"></a>
<span class="sourceLineNo">1774</span> return (MultiANewArrayInstruction) addInstruction<a name="line.1774"></a>
<span class="sourceLineNo">1775</span> (Constants.MULTIANEWARRAY);<a name="line.1775"></a>
<span class="sourceLineNo">1776</span> }<a name="line.1776"></a>
<span class="sourceLineNo">1777</span><a name="line.1777"></a>
<span class="sourceLineNo">1778</span> /**<a name="line.1778"></a>
<span class="sourceLineNo">1779</span> * Create a new array of a primitive type; the <code>newarray</code> opcode.<a name="line.1779"></a>
<span class="sourceLineNo">1780</span> */<a name="line.1780"></a>
<span class="sourceLineNo">1781</span> public NewArrayInstruction newarray() {<a name="line.1781"></a>
<span class="sourceLineNo">1782</span> return (NewArrayInstruction) addInstruction(Constants.NEWARRAY);<a name="line.1782"></a>
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<span class="sourceLineNo">1784</span><a name="line.1784"></a>
<span class="sourceLineNo">1785</span> /**<a name="line.1785"></a>
<span class="sourceLineNo">1786</span> * Get the length of an array on the stack; the <code>arraylength</code><a name="line.1786"></a>
<span class="sourceLineNo">1787</span> * opcode.<a name="line.1787"></a>
<span class="sourceLineNo">1788</span> */<a name="line.1788"></a>
<span class="sourceLineNo">1789</span> public Instruction arraylength() {<a name="line.1789"></a>
<span class="sourceLineNo">1790</span> return addInstruction(Constants.ARRAYLENGTH);<a name="line.1790"></a>
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<span class="sourceLineNo">1792</span><a name="line.1792"></a>
<span class="sourceLineNo">1793</span> /**<a name="line.1793"></a>
<span class="sourceLineNo">1794</span> * Throw an exception; the <code>athrow</code> opcode.<a name="line.1794"></a>
<span class="sourceLineNo">1795</span> */<a name="line.1795"></a>
<span class="sourceLineNo">1796</span> public Instruction athrow() {<a name="line.1796"></a>
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<span class="sourceLineNo">1798</span> }<a name="line.1798"></a>
<span class="sourceLineNo">1799</span><a name="line.1799"></a>
<span class="sourceLineNo">1800</span> /**<a name="line.1800"></a>
<span class="sourceLineNo">1801</span> * The <code>monitorenter</code> opcode.<a name="line.1801"></a>
<span class="sourceLineNo">1802</span> */<a name="line.1802"></a>
<span class="sourceLineNo">1803</span> public MonitorEnterInstruction monitorenter() {<a name="line.1803"></a>
<span class="sourceLineNo">1804</span> return (MonitorEnterInstruction) addInstruction(Constants.MONITORENTER);<a name="line.1804"></a>
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<span class="sourceLineNo">1806</span><a name="line.1806"></a>
<span class="sourceLineNo">1807</span> /**<a name="line.1807"></a>
<span class="sourceLineNo">1808</span> * The <code>monitorexit</code> opcode.<a name="line.1808"></a>
<span class="sourceLineNo">1809</span> */<a name="line.1809"></a>
<span class="sourceLineNo">1810</span> public MonitorExitInstruction monitorexit() {<a name="line.1810"></a>
<span class="sourceLineNo">1811</span> return (MonitorExitInstruction) addInstruction(Constants.MONITOREXIT);<a name="line.1811"></a>
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<span class="sourceLineNo">1813</span><a name="line.1813"></a>
<span class="sourceLineNo">1814</span> /////////////////////////<a name="line.1814"></a>
<span class="sourceLineNo">1815</span> // Wholisitic operations<a name="line.1815"></a>
<span class="sourceLineNo">1816</span> /////////////////////////<a name="line.1816"></a>
<span class="sourceLineNo">1817</span><a name="line.1817"></a>
<span class="sourceLineNo">1818</span> /**<a name="line.1818"></a>
<span class="sourceLineNo">1819</span> * Return all the Instructions of this method.<a name="line.1819"></a>
<span class="sourceLineNo">1820</span> */<a name="line.1820"></a>
<span class="sourceLineNo">1821</span> public Instruction[] getInstructions() {<a name="line.1821"></a>
<span class="sourceLineNo">1822</span> Instruction[] arr = new Instruction[_size];<a name="line.1822"></a>
<span class="sourceLineNo">1823</span> int i = 0;<a name="line.1823"></a>
<span class="sourceLineNo">1824</span> for (CodeEntry entry = _head.next; entry != _tail; entry = entry.next)<a name="line.1824"></a>
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<span class="sourceLineNo">1828</span><a name="line.1828"></a>
<span class="sourceLineNo">1829</span> int getLength() {<a name="line.1829"></a>
<span class="sourceLineNo">1830</span> // covers maxStack, maxLocals, codeLength, exceptionTableLength,<a name="line.1830"></a>
<span class="sourceLineNo">1831</span> // attributeCount<a name="line.1831"></a>
<span class="sourceLineNo">1832</span> int length = 12;<a name="line.1832"></a>
<span class="sourceLineNo">1833</span><a name="line.1833"></a>
<span class="sourceLineNo">1834</span> // add code<a name="line.1834"></a>
<span class="sourceLineNo">1835</span> Instruction last = getLastInstruction();<a name="line.1835"></a>
<span class="sourceLineNo">1836</span> if (last != null)<a name="line.1836"></a>
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<span class="sourceLineNo">1838</span><a name="line.1838"></a>
<span class="sourceLineNo">1839</span> // add exception reps; each is 8 bytes<a name="line.1839"></a>
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<span class="sourceLineNo">1841</span><a name="line.1841"></a>
<span class="sourceLineNo">1842</span> // add all attribute lengths<a name="line.1842"></a>
<span class="sourceLineNo">1843</span> Attribute[] attrs = getAttributes();<a name="line.1843"></a>
<span class="sourceLineNo">1844</span> for (int i = 0; i < attrs.length; i++)<a name="line.1844"></a>
<span class="sourceLineNo">1845</span> length += (attrs[i].getLength() + 6);<a name="line.1845"></a>
<span class="sourceLineNo">1846</span> return length;<a name="line.1846"></a>
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<span class="sourceLineNo">1848</span><a name="line.1848"></a>
<span class="sourceLineNo">1849</span> public void acceptVisit(BCVisitor visit) {<a name="line.1849"></a>
<span class="sourceLineNo">1850</span> visit.enterCode(this);<a name="line.1850"></a>
<span class="sourceLineNo">1851</span> Instruction ins;<a name="line.1851"></a>
<span class="sourceLineNo">1852</span> for (CodeEntry entry = _head.next; entry != _tail; entry = entry.next) {<a name="line.1852"></a>
<span class="sourceLineNo">1853</span> ins = (Instruction) entry;<a name="line.1853"></a>
<span class="sourceLineNo">1854</span> visit.enterInstruction(ins);<a name="line.1854"></a>
<span class="sourceLineNo">1855</span> ins.acceptVisit(visit);<a name="line.1855"></a>
<span class="sourceLineNo">1856</span> visit.exitInstruction(ins);<a name="line.1856"></a>
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<span class="sourceLineNo">1858</span> for (Iterator i = _handlers.iterator(); i.hasNext();)<a name="line.1858"></a>
<span class="sourceLineNo">1859</span> ((ExceptionHandler) i.next()).acceptVisit(visit);<a name="line.1859"></a>
<span class="sourceLineNo">1860</span> visitAttributes(visit);<a name="line.1860"></a>
<span class="sourceLineNo">1861</span> visit.exitCode(this);<a name="line.1861"></a>
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<span class="sourceLineNo">1863</span><a name="line.1863"></a>
<span class="sourceLineNo">1864</span> //////////////////////////<a name="line.1864"></a>
<span class="sourceLineNo">1865</span> // Convenience operations<a name="line.1865"></a>
<span class="sourceLineNo">1866</span> //////////////////////////<a name="line.1866"></a>
<span class="sourceLineNo">1867</span><a name="line.1867"></a>
<span class="sourceLineNo">1868</span> /**<a name="line.1868"></a>
<span class="sourceLineNo">1869</span> * Return line number information for the code.<a name="line.1869"></a>
<span class="sourceLineNo">1870</span> * Acts internally through the {@link Attributes} interface.<a name="line.1870"></a>
<span class="sourceLineNo">1871</span> *<a name="line.1871"></a>
<span class="sourceLineNo">1872</span> * @param add if true, a new line number table will be added<a name="line.1872"></a>
<span class="sourceLineNo">1873</span> * if not already present<a name="line.1873"></a>
<span class="sourceLineNo">1874</span> * @return the line number information, or null if none<a name="line.1874"></a>
<span class="sourceLineNo">1875</span> * and the <code>add</code> param is set to false<a name="line.1875"></a>
<span class="sourceLineNo">1876</span> */<a name="line.1876"></a>
<span class="sourceLineNo">1877</span> public LineNumberTable getLineNumberTable(boolean add) {<a name="line.1877"></a>
<span class="sourceLineNo">1878</span> LineNumberTable attr = (LineNumberTable) getAttribute<a name="line.1878"></a>
<span class="sourceLineNo">1879</span> (Constants.ATTR_LINENUMBERS);<a name="line.1879"></a>
<span class="sourceLineNo">1880</span><a name="line.1880"></a>
<span class="sourceLineNo">1881</span> if (!add || (attr != null))<a name="line.1881"></a>
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<span class="sourceLineNo">1883</span> return (LineNumberTable) addAttribute(Constants.ATTR_LINENUMBERS);<a name="line.1883"></a>
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<span class="sourceLineNo">1885</span><a name="line.1885"></a>
<span class="sourceLineNo">1886</span> /**<a name="line.1886"></a>
<span class="sourceLineNo">1887</span> * Remove the line number table for the code.<a name="line.1887"></a>
<span class="sourceLineNo">1888</span> * Acts internally through the {@link Attributes} interface.<a name="line.1888"></a>
<span class="sourceLineNo">1889</span> *<a name="line.1889"></a>
<span class="sourceLineNo">1890</span> * @return true if there was a table to remove<a name="line.1890"></a>
<span class="sourceLineNo">1891</span> */<a name="line.1891"></a>
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<span class="sourceLineNo">1895</span><a name="line.1895"></a>
<span class="sourceLineNo">1896</span> /**<a name="line.1896"></a>
<span class="sourceLineNo">1897</span> * Return local variable information for the code.<a name="line.1897"></a>
<span class="sourceLineNo">1898</span> * Acts internally through the {@link Attributes} interface.<a name="line.1898"></a>
<span class="sourceLineNo">1899</span> *<a name="line.1899"></a>
<span class="sourceLineNo">1900</span> * @param add if true, a new local variable table will be<a name="line.1900"></a>
<span class="sourceLineNo">1901</span> * added if not already present<a name="line.1901"></a>
<span class="sourceLineNo">1902</span> * @return the local variable information, or null if none<a name="line.1902"></a>
<span class="sourceLineNo">1903</span> * and the <code>add</code> param is set to false<a name="line.1903"></a>
<span class="sourceLineNo">1904</span> */<a name="line.1904"></a>
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<span class="sourceLineNo">1906</span> LocalVariableTable attr = (LocalVariableTable) getAttribute<a name="line.1906"></a>
<span class="sourceLineNo">1907</span> (Constants.ATTR_LOCALS);<a name="line.1907"></a>
<span class="sourceLineNo">1908</span> if (!add || (attr != null))<a name="line.1908"></a>
<span class="sourceLineNo">1909</span> return attr;<a name="line.1909"></a>
<span class="sourceLineNo">1910</span> return (LocalVariableTable) addAttribute(Constants.ATTR_LOCALS);<a name="line.1910"></a>
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<span class="sourceLineNo">1912</span><a name="line.1912"></a>
<span class="sourceLineNo">1913</span> /**<a name="line.1913"></a>
<span class="sourceLineNo">1914</span> * Remove the local variable table for the code.<a name="line.1914"></a>
<span class="sourceLineNo">1915</span> * Acts internally through the {@link Attributes} interface.<a name="line.1915"></a>
<span class="sourceLineNo">1916</span> *<a name="line.1916"></a>
<span class="sourceLineNo">1917</span> * @return true if there was a table to remove<a name="line.1917"></a>
<span class="sourceLineNo">1918</span> */<a name="line.1918"></a>
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<span class="sourceLineNo">1922</span><a name="line.1922"></a>
<span class="sourceLineNo">1923</span> /**<a name="line.1923"></a>
<span class="sourceLineNo">1924</span> * Return local variable generics information for the code.<a name="line.1924"></a>
<span class="sourceLineNo">1925</span> * Acts internally through the {@link Attributes} interface.<a name="line.1925"></a>
<span class="sourceLineNo">1926</span> *<a name="line.1926"></a>
<span class="sourceLineNo">1927</span> * @param add if true, a new local variable type table will be<a name="line.1927"></a>
<span class="sourceLineNo">1928</span> * added if not already present<a name="line.1928"></a>
<span class="sourceLineNo">1929</span> * @return the local variable type information, or null if none<a name="line.1929"></a>
<span class="sourceLineNo">1930</span> * and the <code>add</code> param is set to false<a name="line.1930"></a>
<span class="sourceLineNo">1931</span> */<a name="line.1931"></a>
<span class="sourceLineNo">1932</span> public LocalVariableTypeTable getLocalVariableTypeTable(boolean add) {<a name="line.1932"></a>
<span class="sourceLineNo">1933</span> LocalVariableTypeTable attr = (LocalVariableTypeTable) getAttribute<a name="line.1933"></a>
<span class="sourceLineNo">1934</span> (Constants.ATTR_LOCAL_TYPES);<a name="line.1934"></a>
<span class="sourceLineNo">1935</span> if (!add || (attr != null))<a name="line.1935"></a>
<span class="sourceLineNo">1936</span> return attr;<a name="line.1936"></a>
<span class="sourceLineNo">1937</span> return (LocalVariableTypeTable)addAttribute(Constants.ATTR_LOCAL_TYPES);<a name="line.1937"></a>
<span class="sourceLineNo">1938</span> }<a name="line.1938"></a>
<span class="sourceLineNo">1939</span><a name="line.1939"></a>
<span class="sourceLineNo">1940</span> /**<a name="line.1940"></a>
<span class="sourceLineNo">1941</span> * Remove the local variable type table for the code.<a name="line.1941"></a>
<span class="sourceLineNo">1942</span> * Acts internally through the {@link Attributes} interface.<a name="line.1942"></a>
<span class="sourceLineNo">1943</span> *<a name="line.1943"></a>
<span class="sourceLineNo">1944</span> * @return true if there was a table to remove<a name="line.1944"></a>
<span class="sourceLineNo">1945</span> */<a name="line.1945"></a>
<span class="sourceLineNo">1946</span> public boolean removeLocalVariableTypeTables() {<a name="line.1946"></a>
<span class="sourceLineNo">1947</span> return removeAttribute(Constants.ATTR_LOCAL_TYPES);<a name="line.1947"></a>
<span class="sourceLineNo">1948</span> }<a name="line.1948"></a>
<span class="sourceLineNo">1949</span><a name="line.1949"></a>
<span class="sourceLineNo">1950</span> //////////////////<a name="line.1950"></a>
<span class="sourceLineNo">1951</span> // I/O operations<a name="line.1951"></a>
<span class="sourceLineNo">1952</span> //////////////////<a name="line.1952"></a>
<span class="sourceLineNo">1953</span><a name="line.1953"></a>
<span class="sourceLineNo">1954</span> void read(Attribute attr) {<a name="line.1954"></a>
<span class="sourceLineNo">1955</span> Code orig = (Code) attr;<a name="line.1955"></a>
<span class="sourceLineNo">1956</span> _maxStack = orig.getMaxStack();<a name="line.1956"></a>
<span class="sourceLineNo">1957</span> _maxLocals = orig.getMaxLocals();<a name="line.1957"></a>
<span class="sourceLineNo">1958</span><a name="line.1958"></a>
<span class="sourceLineNo">1959</span> // clear existing code<a name="line.1959"></a>
<span class="sourceLineNo">1960</span> _head.next = _tail;<a name="line.1960"></a>
<span class="sourceLineNo">1961</span> _tail.prev = _head;<a name="line.1961"></a>
<span class="sourceLineNo">1962</span> _size = 0;<a name="line.1962"></a>
<span class="sourceLineNo">1963</span> _byteIndexesValid = false;<a name="line.1963"></a>
<span class="sourceLineNo">1964</span> beforeFirst();<a name="line.1964"></a>
<span class="sourceLineNo">1965</span> _handlers.clear();<a name="line.1965"></a>
<span class="sourceLineNo">1966</span><a name="line.1966"></a>
<span class="sourceLineNo">1967</span> // copy all instructions; don't set constant instruction values until<a name="line.1967"></a>
<span class="sourceLineNo">1968</span> // instruction ptrs have been updated in case the instruction width<a name="line.1968"></a>
<span class="sourceLineNo">1969</span> // changes because of differences in the constant pool (LDC vs LDCW)<a name="line.1969"></a>
<span class="sourceLineNo">1970</span> Instruction ins;<a name="line.1970"></a>
<span class="sourceLineNo">1971</span> Instruction origIns;<a name="line.1971"></a>
<span class="sourceLineNo">1972</span> for (CodeEntry entry = orig._head.next; entry != orig._tail;<a name="line.1972"></a>
<span class="sourceLineNo">1973</span> entry = entry.next) {<a name="line.1973"></a>
<span class="sourceLineNo">1974</span> origIns = (Instruction) entry;<a name="line.1974"></a>
<span class="sourceLineNo">1975</span> ins = createInstruction(origIns.getOpcode());<a name="line.1975"></a>
<span class="sourceLineNo">1976</span> _ci.addInternal(ins);<a name="line.1976"></a>
<span class="sourceLineNo">1977</span> if (!(ins instanceof ConstantInstruction))<a name="line.1977"></a>
<span class="sourceLineNo">1978</span> ins.read(origIns);<a name="line.1978"></a>
<span class="sourceLineNo">1979</span> }<a name="line.1979"></a>
<span class="sourceLineNo">1980</span><a name="line.1980"></a>
<span class="sourceLineNo">1981</span> // copy exception handlers<a name="line.1981"></a>
<span class="sourceLineNo">1982</span> ExceptionHandler[] origHandlers = orig.getExceptionHandlers();<a name="line.1982"></a>
<span class="sourceLineNo">1983</span> ExceptionHandler handler;<a name="line.1983"></a>
<span class="sourceLineNo">1984</span> for (int i = 0; i < origHandlers.length; i++) {<a name="line.1984"></a>
<span class="sourceLineNo">1985</span> handler = addExceptionHandler();<a name="line.1985"></a>
<span class="sourceLineNo">1986</span> handler.read(origHandlers[i]);<a name="line.1986"></a>
<span class="sourceLineNo">1987</span> handler.updateTargets();<a name="line.1987"></a>
<span class="sourceLineNo">1988</span> }<a name="line.1988"></a>
<span class="sourceLineNo">1989</span><a name="line.1989"></a>
<span class="sourceLineNo">1990</span> // reset all opcode ptrs to the new copied opcodes<a name="line.1990"></a>
<span class="sourceLineNo">1991</span> updateInstructionPointers();<a name="line.1991"></a>
<span class="sourceLineNo">1992</span> setAttributes(orig.getAttributes());<a name="line.1992"></a>
<span class="sourceLineNo">1993</span><a name="line.1993"></a>
<span class="sourceLineNo">1994</span> // setup local variable markers<a name="line.1994"></a>
<span class="sourceLineNo">1995</span> LocalVariableTable locals = getLocalVariableTable(false);<a name="line.1995"></a>
<span class="sourceLineNo">1996</span> if (locals != null)<a name="line.1996"></a>
<span class="sourceLineNo">1997</span> locals.updateTargets();<a name="line.1997"></a>
<span class="sourceLineNo">1998</span><a name="line.1998"></a>
<span class="sourceLineNo">1999</span> // setup local variable markers<a name="line.1999"></a>
<span class="sourceLineNo">2000</span> LocalVariableTypeTable localTypes = getLocalVariableTypeTable(false);<a name="line.2000"></a>
<span class="sourceLineNo">2001</span> if (localTypes != null)<a name="line.2001"></a>
<span class="sourceLineNo">2002</span> localTypes.updateTargets();<a name="line.2002"></a>
<span class="sourceLineNo">2003</span><a name="line.2003"></a>
<span class="sourceLineNo">2004</span> // setup line number markers<a name="line.2004"></a>
<span class="sourceLineNo">2005</span> LineNumberTable lines = getLineNumberTable(false);<a name="line.2005"></a>
<span class="sourceLineNo">2006</span> if (lines != null)<a name="line.2006"></a>
<span class="sourceLineNo">2007</span> lines.updateTargets();<a name="line.2007"></a>
<span class="sourceLineNo">2008</span><a name="line.2008"></a>
<span class="sourceLineNo">2009</span> // now copy constant instruction values<a name="line.2009"></a>
<span class="sourceLineNo">2010</span> CodeEntry copy = _head.next;<a name="line.2010"></a>
<span class="sourceLineNo">2011</span> for (CodeEntry entry = orig._head.next; entry != orig._tail;<a name="line.2011"></a>
<span class="sourceLineNo">2012</span> entry = entry.next, copy = copy.next) {<a name="line.2012"></a>
<span class="sourceLineNo">2013</span> if (entry instanceof ConstantInstruction)<a name="line.2013"></a>
<span class="sourceLineNo">2014</span> ((ConstantInstruction) copy).read((Instruction) entry);<a name="line.2014"></a>
<span class="sourceLineNo">2015</span> }<a name="line.2015"></a>
<span class="sourceLineNo">2016</span> beforeFirst();<a name="line.2016"></a>
<span class="sourceLineNo">2017</span> }<a name="line.2017"></a>
<span class="sourceLineNo">2018</span><a name="line.2018"></a>
<span class="sourceLineNo">2019</span> void read(DataInput in, int length) throws IOException {<a name="line.2019"></a>
<span class="sourceLineNo">2020</span> _maxStack = in.readUnsignedShort();<a name="line.2020"></a>
<span class="sourceLineNo">2021</span> _maxLocals = in.readUnsignedShort();<a name="line.2021"></a>
<span class="sourceLineNo">2022</span> readCode(in, in.readInt());<a name="line.2022"></a>
<span class="sourceLineNo">2023</span><a name="line.2023"></a>
<span class="sourceLineNo">2024</span> _handlers.clear();<a name="line.2024"></a>
<span class="sourceLineNo">2025</span> int exceptionCount = in.readUnsignedShort();<a name="line.2025"></a>
<span class="sourceLineNo">2026</span> ExceptionHandler excep;<a name="line.2026"></a>
<span class="sourceLineNo">2027</span> for (int i = 0; i < exceptionCount; i++) {<a name="line.2027"></a>
<span class="sourceLineNo">2028</span> excep = addExceptionHandler();<a name="line.2028"></a>
<span class="sourceLineNo">2029</span> excep.read(in);<a name="line.2029"></a>
<span class="sourceLineNo">2030</span> excep.updateTargets();<a name="line.2030"></a>
<span class="sourceLineNo">2031</span> }<a name="line.2031"></a>
<span class="sourceLineNo">2032</span><a name="line.2032"></a>
<span class="sourceLineNo">2033</span> readAttributes(in);<a name="line.2033"></a>
<span class="sourceLineNo">2034</span><a name="line.2034"></a>
<span class="sourceLineNo">2035</span> // setup local variable markers<a name="line.2035"></a>
<span class="sourceLineNo">2036</span> LocalVariableTable locals = getLocalVariableTable(false);<a name="line.2036"></a>
<span class="sourceLineNo">2037</span> if (locals != null)<a name="line.2037"></a>
<span class="sourceLineNo">2038</span> locals.updateTargets();<a name="line.2038"></a>
<span class="sourceLineNo">2039</span><a name="line.2039"></a>
<span class="sourceLineNo">2040</span> // setup local variable markers<a name="line.2040"></a>
<span class="sourceLineNo">2041</span> LocalVariableTypeTable localTypes = getLocalVariableTypeTable(false);<a name="line.2041"></a>
<span class="sourceLineNo">2042</span> if (localTypes != null)<a name="line.2042"></a>
<span class="sourceLineNo">2043</span> localTypes.updateTargets();<a name="line.2043"></a>
<span class="sourceLineNo">2044</span><a name="line.2044"></a>
<span class="sourceLineNo">2045</span> // setup line number markers<a name="line.2045"></a>
<span class="sourceLineNo">2046</span> LineNumberTable lines = getLineNumberTable(false);<a name="line.2046"></a>
<span class="sourceLineNo">2047</span> if (lines != null)<a name="line.2047"></a>
<span class="sourceLineNo">2048</span> lines.updateTargets();<a name="line.2048"></a>
<span class="sourceLineNo">2049</span> }<a name="line.2049"></a>
<span class="sourceLineNo">2050</span><a name="line.2050"></a>
<span class="sourceLineNo">2051</span> void write(DataOutput out, int length) throws IOException {<a name="line.2051"></a>
<span class="sourceLineNo">2052</span> out.writeShort(_maxStack);<a name="line.2052"></a>
<span class="sourceLineNo">2053</span> out.writeShort(_maxLocals);<a name="line.2053"></a>
<span class="sourceLineNo">2054</span><a name="line.2054"></a>
<span class="sourceLineNo">2055</span> byte[] code = toByteArray();<a name="line.2055"></a>
<span class="sourceLineNo">2056</span> out.writeInt(code.length);<a name="line.2056"></a>
<span class="sourceLineNo">2057</span> out.write(code);<a name="line.2057"></a>
<span class="sourceLineNo">2058</span><a name="line.2058"></a>
<span class="sourceLineNo">2059</span> out.writeShort(_handlers.size());<a name="line.2059"></a>
<span class="sourceLineNo">2060</span> for (Iterator itr = _handlers.iterator(); itr.hasNext();)<a name="line.2060"></a>
<span class="sourceLineNo">2061</span> ((ExceptionHandler) itr.next()).write(out);<a name="line.2061"></a>
<span class="sourceLineNo">2062</span> writeAttributes(out);<a name="line.2062"></a>
<span class="sourceLineNo">2063</span> }<a name="line.2063"></a>
<span class="sourceLineNo">2064</span><a name="line.2064"></a>
<span class="sourceLineNo">2065</span> private void readCode(DataInput in, int len) throws IOException {<a name="line.2065"></a>
<span class="sourceLineNo">2066</span> _head.next = _tail;<a name="line.2066"></a>
<span class="sourceLineNo">2067</span> _tail.prev = _head;<a name="line.2067"></a>
<span class="sourceLineNo">2068</span> _size = 0;<a name="line.2068"></a>
<span class="sourceLineNo">2069</span> _byteIndexesValid = true;<a name="line.2069"></a>
<span class="sourceLineNo">2070</span><a name="line.2070"></a>
<span class="sourceLineNo">2071</span> beforeFirst();<a name="line.2071"></a>
<span class="sourceLineNo">2072</span> Instruction ins;<a name="line.2072"></a>
<span class="sourceLineNo">2073</span> for (int byteIndex = 0; byteIndex < len;) {<a name="line.2073"></a>
<span class="sourceLineNo">2074</span> ins = createInstruction(in.readUnsignedByte());<a name="line.2074"></a>
<span class="sourceLineNo">2075</span> _ci.addInternal(ins);<a name="line.2075"></a>
<span class="sourceLineNo">2076</span> ins.byteIndex = byteIndex;<a name="line.2076"></a>
<span class="sourceLineNo">2077</span> ins.read(in);<a name="line.2077"></a>
<span class="sourceLineNo">2078</span> byteIndex += ins.getLength();<a name="line.2078"></a>
<span class="sourceLineNo">2079</span> }<a name="line.2079"></a>
<span class="sourceLineNo">2080</span> updateInstructionPointers();<a name="line.2080"></a>
<span class="sourceLineNo">2081</span> beforeFirst();<a name="line.2081"></a>
<span class="sourceLineNo">2082</span><a name="line.2082"></a>
<span class="sourceLineNo">2083</span> // sanity check<a name="line.2083"></a>
<span class="sourceLineNo">2084</span> if (!_byteIndexesValid)<a name="line.2084"></a>
<span class="sourceLineNo">2085</span> throw new IllegalStateException();<a name="line.2085"></a>
<span class="sourceLineNo">2086</span> }<a name="line.2086"></a>
<span class="sourceLineNo">2087</span><a name="line.2087"></a>
<span class="sourceLineNo">2088</span> /**<a name="line.2088"></a>
<span class="sourceLineNo">2089</span> * Ensures that all the opcode targets are set up correctly.<a name="line.2089"></a>
<span class="sourceLineNo">2090</span> */<a name="line.2090"></a>
<span class="sourceLineNo">2091</span> private void updateInstructionPointers() {<a name="line.2091"></a>
<span class="sourceLineNo">2092</span> for (CodeEntry entry = _head.next; entry != _tail; entry = entry.next)<a name="line.2092"></a>
<span class="sourceLineNo">2093</span> if (entry instanceof InstructionPtr)<a name="line.2093"></a>
<span class="sourceLineNo">2094</span> ((InstructionPtr) entry).updateTargets();<a name="line.2094"></a>
<span class="sourceLineNo">2095</span> }<a name="line.2095"></a>
<span class="sourceLineNo">2096</span><a name="line.2096"></a>
<span class="sourceLineNo">2097</span> /**<a name="line.2097"></a>
<span class="sourceLineNo">2098</span> * Returns the byteIndex of the given instruction.<a name="line.2098"></a>
<span class="sourceLineNo">2099</span> */<a name="line.2099"></a>
<span class="sourceLineNo">2100</span> int getByteIndex(Instruction ins) {<a name="line.2100"></a>
<span class="sourceLineNo">2101</span> if (_byteIndexesValid && ins.byteIndex != -1)<a name="line.2101"></a>
<span class="sourceLineNo">2102</span> return ins.byteIndex;<a name="line.2102"></a>
<span class="sourceLineNo">2103</span><a name="line.2103"></a>
<span class="sourceLineNo">2104</span> int byteIndex = 0;<a name="line.2104"></a>
<span class="sourceLineNo">2105</span> for (CodeEntry entry = _head.next; entry != _tail; entry = entry.next) {<a name="line.2105"></a>
<span class="sourceLineNo">2106</span> if (entry == ins)<a name="line.2106"></a>
<span class="sourceLineNo">2107</span> return byteIndex;<a name="line.2107"></a>
<span class="sourceLineNo">2108</span> byteIndex += ((Instruction) entry).getLength();<a name="line.2108"></a>
<span class="sourceLineNo">2109</span> }<a name="line.2109"></a>
<span class="sourceLineNo">2110</span> throw new IllegalArgumentException("ins.owner != this");<a name="line.2110"></a>
<span class="sourceLineNo">2111</span> }<a name="line.2111"></a>
<span class="sourceLineNo">2112</span><a name="line.2112"></a>
<span class="sourceLineNo">2113</span> /**<a name="line.2113"></a>
<span class="sourceLineNo">2114</span> * Invalidate all byteindexes when the code block changes.<a name="line.2114"></a>
<span class="sourceLineNo">2115</span> */<a name="line.2115"></a>
<span class="sourceLineNo">2116</span> void invalidateByteIndexes() {<a name="line.2116"></a>
<span class="sourceLineNo">2117</span> _byteIndexesValid = false;<a name="line.2117"></a>
<span class="sourceLineNo">2118</span> }<a name="line.2118"></a>
<span class="sourceLineNo">2119</span><a name="line.2119"></a>
<span class="sourceLineNo">2120</span> /**<a name="line.2120"></a>
<span class="sourceLineNo">2121</span> * Returns the instruction in this code block found at the given byte index.<a name="line.2121"></a>
<span class="sourceLineNo">2122</span> */<a name="line.2122"></a>
<span class="sourceLineNo">2123</span> Instruction getInstruction(int byteIndex) {<a name="line.2123"></a>
<span class="sourceLineNo">2124</span> if (byteIndex < 0)<a name="line.2124"></a>
<span class="sourceLineNo">2125</span> return null;<a name="line.2125"></a>
<span class="sourceLineNo">2126</span><a name="line.2126"></a>
<span class="sourceLineNo">2127</span> int curIndex = 0;<a name="line.2127"></a>
<span class="sourceLineNo">2128</span> for (CodeEntry entry = _head.next; entry != _tail; entry = entry.next) {<a name="line.2128"></a>
<span class="sourceLineNo">2129</span> if (byteIndex == curIndex)<a name="line.2129"></a>
<span class="sourceLineNo">2130</span> return (Instruction) entry;<a name="line.2130"></a>
<span class="sourceLineNo">2131</span> curIndex += ((Instruction) entry).getLength();<a name="line.2131"></a>
<span class="sourceLineNo">2132</span> }<a name="line.2132"></a>
<span class="sourceLineNo">2133</span><a name="line.2133"></a>
<span class="sourceLineNo">2134</span> // some instruction ptrs are actually to a "next" instruction, so <a name="line.2134"></a>
<span class="sourceLineNo">2135</span> // allow one past the end<a name="line.2135"></a>
<span class="sourceLineNo">2136</span> if (byteIndex == curIndex)<a name="line.2136"></a>
<span class="sourceLineNo">2137</span> return null;<a name="line.2137"></a>
<span class="sourceLineNo">2138</span> throw new IllegalArgumentException(String.valueOf(byteIndex));<a name="line.2138"></a>
<span class="sourceLineNo">2139</span> }<a name="line.2139"></a>
<span class="sourceLineNo">2140</span><a name="line.2140"></a>
<span class="sourceLineNo">2141</span> /**<a name="line.2141"></a>
<span class="sourceLineNo">2142</span> * Return the first instruction in this code block, or null if none.<a name="line.2142"></a>
<span class="sourceLineNo">2143</span> */<a name="line.2143"></a>
<span class="sourceLineNo">2144</span> Instruction getFirstInstruction() {<a name="line.2144"></a>
<span class="sourceLineNo">2145</span> return (Instruction) _head.next;<a name="line.2145"></a>
<span class="sourceLineNo">2146</span> }<a name="line.2146"></a>
<span class="sourceLineNo">2147</span><a name="line.2147"></a>
<span class="sourceLineNo">2148</span> /**<a name="line.2148"></a>
<span class="sourceLineNo">2149</span> * Return the last instruction in this code block, or null if none.<a name="line.2149"></a>
<span class="sourceLineNo">2150</span> */<a name="line.2150"></a>
<span class="sourceLineNo">2151</span> Instruction getLastInstruction() {<a name="line.2151"></a>
<span class="sourceLineNo">2152</span> return (Instruction) _tail.prev;<a name="line.2152"></a>
<span class="sourceLineNo">2153</span> }<a name="line.2153"></a>
<span class="sourceLineNo">2154</span><a name="line.2154"></a>
<span class="sourceLineNo">2155</span> /**<a name="line.2155"></a>
<span class="sourceLineNo">2156</span> * Returns the number of instructions that occur before 'ins'<a name="line.2156"></a>
<span class="sourceLineNo">2157</span> * in this code block that 'ins' is a part of.<a name="line.2157"></a>
<span class="sourceLineNo">2158</span> *<a name="line.2158"></a>
<span class="sourceLineNo">2159</span> * @throws IllegalArgumentException if this code block is not the owner<a name="line.2159"></a>
<span class="sourceLineNo">2160</span> * of ins<a name="line.2160"></a>
<span class="sourceLineNo">2161</span> */<a name="line.2161"></a>
<span class="sourceLineNo">2162</span> private int indexOf(Instruction ins) {<a name="line.2162"></a>
<span class="sourceLineNo">2163</span> int i = 0;<a name="line.2163"></a>
<span class="sourceLineNo">2164</span> for (CodeEntry entry = _head.next; entry != _tail;<a name="line.2164"></a>
<span class="sourceLineNo">2165</span> entry = entry.next, i++)<a name="line.2165"></a>
<span class="sourceLineNo">2166</span> if (entry == ins)<a name="line.2166"></a>
<span class="sourceLineNo">2167</span> return i;<a name="line.2167"></a>
<span class="sourceLineNo">2168</span> throw new IllegalArgumentException("ins.code != this");<a name="line.2168"></a>
<span class="sourceLineNo">2169</span> }<a name="line.2169"></a>
<span class="sourceLineNo">2170</span><a name="line.2170"></a>
<span class="sourceLineNo">2171</span> private void writeCode(DataOutput out) throws IOException {<a name="line.2171"></a>
<span class="sourceLineNo">2172</span> Instruction ins;<a name="line.2172"></a>
<span class="sourceLineNo">2173</span> for (CodeEntry entry = _head.next; entry != _tail; entry = entry.next) {<a name="line.2173"></a>
<span class="sourceLineNo">2174</span> ins = (Instruction) entry;<a name="line.2174"></a>
<span class="sourceLineNo">2175</span> out.writeByte(ins.getOpcode());<a name="line.2175"></a>
<span class="sourceLineNo">2176</span> ins.write(out);<a name="line.2176"></a>
<span class="sourceLineNo">2177</span> }<a name="line.2177"></a>
<span class="sourceLineNo">2178</span> }<a name="line.2178"></a>
<span class="sourceLineNo">2179</span><a name="line.2179"></a>
<span class="sourceLineNo">2180</span> private byte[] toByteArray() throws IOException {<a name="line.2180"></a>
<span class="sourceLineNo">2181</span> ByteArrayOutputStream byteStream = new ByteArrayOutputStream();<a name="line.2181"></a>
<span class="sourceLineNo">2182</span> DataOutputStream stream = new DataOutputStream(byteStream);<a name="line.2182"></a>
<span class="sourceLineNo">2183</span> try {<a name="line.2183"></a>
<span class="sourceLineNo">2184</span> writeCode(stream);<a name="line.2184"></a>
<span class="sourceLineNo">2185</span> return byteStream.toByteArray();<a name="line.2185"></a>
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<span class="sourceLineNo">2187</span> try { stream.close(); } catch (Exception e) {}<a name="line.2187"></a>
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<span class="sourceLineNo">2189</span> }<a name="line.2189"></a>
<span class="sourceLineNo">2190</span><a name="line.2190"></a>
<span class="sourceLineNo">2191</span> private void fromByteArray(byte[] code) throws IOException {<a name="line.2191"></a>
<span class="sourceLineNo">2192</span> if (code == null) {<a name="line.2192"></a>
<span class="sourceLineNo">2193</span> _head.next = _tail;<a name="line.2193"></a>
<span class="sourceLineNo">2194</span> _tail.prev = _head;<a name="line.2194"></a>
<span class="sourceLineNo">2195</span> _size = 0;<a name="line.2195"></a>
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<span class="sourceLineNo">2198</span> (new ByteArrayInputStream(code));<a name="line.2198"></a>
<span class="sourceLineNo">2199</span> try {<a name="line.2199"></a>
<span class="sourceLineNo">2200</span> readCode(stream, code.length);<a name="line.2200"></a>
<span class="sourceLineNo">2201</span> } finally {<a name="line.2201"></a>
<span class="sourceLineNo">2202</span> try { stream.close(); } catch (Exception e) {}<a name="line.2202"></a>
<span class="sourceLineNo">2203</span> }<a name="line.2203"></a>
<span class="sourceLineNo">2204</span> }<a name="line.2204"></a>
<span class="sourceLineNo">2205</span> }<a name="line.2205"></a>
<span class="sourceLineNo">2206</span><a name="line.2206"></a>
<span class="sourceLineNo">2207</span> private Instruction addInstruction(Instruction ins) {<a name="line.2207"></a>
<span class="sourceLineNo">2208</span> _ci.add(ins);<a name="line.2208"></a>
<span class="sourceLineNo">2209</span> return ins;<a name="line.2209"></a>
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<span class="sourceLineNo">2211</span><a name="line.2211"></a>
<span class="sourceLineNo">2212</span> private Instruction addInstruction(int opcode) {<a name="line.2212"></a>
<span class="sourceLineNo">2213</span> return addInstruction(createInstruction(opcode));<a name="line.2213"></a>
<span class="sourceLineNo">2214</span> }<a name="line.2214"></a>
<span class="sourceLineNo">2215</span><a name="line.2215"></a>
<span class="sourceLineNo">2216</span> /**<a name="line.2216"></a>
<span class="sourceLineNo">2217</span> * Creates an Instruction, with this code block as the owner.<a name="line.2217"></a>
<span class="sourceLineNo">2218</span> * Note that the Instruction is not added to this Code block.<a name="line.2218"></a>
<span class="sourceLineNo">2219</span> */<a name="line.2219"></a>
<span class="sourceLineNo">2220</span> private Instruction createInstruction(int opcode) {<a name="line.2220"></a>
<span class="sourceLineNo">2221</span> switch (opcode) {<a name="line.2221"></a>
<span class="sourceLineNo">2222</span> case Constants.NOP:<a name="line.2222"></a>
<span class="sourceLineNo">2223</span> case Constants.ARRAYLENGTH:<a name="line.2223"></a>
<span class="sourceLineNo">2224</span> case Constants.ATHROW:<a name="line.2224"></a>
<span class="sourceLineNo">2225</span> return new Instruction(this, opcode);<a name="line.2225"></a>
<span class="sourceLineNo">2226</span> case Constants.ACONSTNULL:<a name="line.2226"></a>
<span class="sourceLineNo">2227</span> case Constants.ICONSTM1:<a name="line.2227"></a>
<span class="sourceLineNo">2228</span> case Constants.ICONST0:<a name="line.2228"></a>
<span class="sourceLineNo">2229</span> case Constants.ICONST1:<a name="line.2229"></a>
<span class="sourceLineNo">2230</span> case Constants.ICONST2:<a name="line.2230"></a>
<span class="sourceLineNo">2231</span> case Constants.ICONST3:<a name="line.2231"></a>
<span class="sourceLineNo">2232</span> case Constants.ICONST4:<a name="line.2232"></a>
<span class="sourceLineNo">2233</span> case Constants.ICONST5:<a name="line.2233"></a>
<span class="sourceLineNo">2234</span> case Constants.LCONST0:<a name="line.2234"></a>
<span class="sourceLineNo">2235</span> case Constants.LCONST1:<a name="line.2235"></a>
<span class="sourceLineNo">2236</span> case Constants.FCONST0:<a name="line.2236"></a>
<span class="sourceLineNo">2237</span> case Constants.FCONST1:<a name="line.2237"></a>
<span class="sourceLineNo">2238</span> case Constants.FCONST2:<a name="line.2238"></a>
<span class="sourceLineNo">2239</span> case Constants.DCONST0:<a name="line.2239"></a>
<span class="sourceLineNo">2240</span> case Constants.DCONST1:<a name="line.2240"></a>
<span class="sourceLineNo">2241</span> case Constants.BIPUSH:<a name="line.2241"></a>
<span class="sourceLineNo">2242</span> case Constants.SIPUSH:<a name="line.2242"></a>
<span class="sourceLineNo">2243</span> case Constants.LDC:<a name="line.2243"></a>
<span class="sourceLineNo">2244</span> case Constants.LDCW:<a name="line.2244"></a>
<span class="sourceLineNo">2245</span> case Constants.LDC2W:<a name="line.2245"></a>
<span class="sourceLineNo">2246</span> return new ConstantInstruction(this, opcode);<a name="line.2246"></a>
<span class="sourceLineNo">2247</span> case Constants.ILOAD:<a name="line.2247"></a>
<span class="sourceLineNo">2248</span> case Constants.LLOAD:<a name="line.2248"></a>
<span class="sourceLineNo">2249</span> case Constants.FLOAD:<a name="line.2249"></a>
<span class="sourceLineNo">2250</span> case Constants.DLOAD:<a name="line.2250"></a>
<span class="sourceLineNo">2251</span> case Constants.ALOAD:<a name="line.2251"></a>
<span class="sourceLineNo">2252</span> case Constants.ILOAD0:<a name="line.2252"></a>
<span class="sourceLineNo">2253</span> case Constants.ILOAD1:<a name="line.2253"></a>
<span class="sourceLineNo">2254</span> case Constants.ILOAD2:<a name="line.2254"></a>
<span class="sourceLineNo">2255</span> case Constants.ILOAD3:<a name="line.2255"></a>
<span class="sourceLineNo">2256</span> case Constants.LLOAD0:<a name="line.2256"></a>
<span class="sourceLineNo">2257</span> case Constants.LLOAD1:<a name="line.2257"></a>
<span class="sourceLineNo">2258</span> case Constants.LLOAD2:<a name="line.2258"></a>
<span class="sourceLineNo">2259</span> case Constants.LLOAD3:<a name="line.2259"></a>
<span class="sourceLineNo">2260</span> case Constants.FLOAD0:<a name="line.2260"></a>
<span class="sourceLineNo">2261</span> case Constants.FLOAD1:<a name="line.2261"></a>
<span class="sourceLineNo">2262</span> case Constants.FLOAD2:<a name="line.2262"></a>
<span class="sourceLineNo">2263</span> case Constants.FLOAD3:<a name="line.2263"></a>
<span class="sourceLineNo">2264</span> case Constants.DLOAD0:<a name="line.2264"></a>
<span class="sourceLineNo">2265</span> case Constants.DLOAD1:<a name="line.2265"></a>
<span class="sourceLineNo">2266</span> case Constants.DLOAD2:<a name="line.2266"></a>
<span class="sourceLineNo">2267</span> case Constants.DLOAD3:<a name="line.2267"></a>
<span class="sourceLineNo">2268</span> case Constants.ALOAD0:<a name="line.2268"></a>
<span class="sourceLineNo">2269</span> case Constants.ALOAD1:<a name="line.2269"></a>
<span class="sourceLineNo">2270</span> case Constants.ALOAD2:<a name="line.2270"></a>
<span class="sourceLineNo">2271</span> case Constants.ALOAD3:<a name="line.2271"></a>
<span class="sourceLineNo">2272</span> return new LoadInstruction(this, opcode);<a name="line.2272"></a>
<span class="sourceLineNo">2273</span> case Constants.IALOAD:<a name="line.2273"></a>
<span class="sourceLineNo">2274</span> case Constants.LALOAD:<a name="line.2274"></a>
<span class="sourceLineNo">2275</span> case Constants.FALOAD:<a name="line.2275"></a>
<span class="sourceLineNo">2276</span> case Constants.DALOAD:<a name="line.2276"></a>
<span class="sourceLineNo">2277</span> case Constants.AALOAD:<a name="line.2277"></a>
<span class="sourceLineNo">2278</span> case Constants.BALOAD:<a name="line.2278"></a>
<span class="sourceLineNo">2279</span> case Constants.CALOAD:<a name="line.2279"></a>
<span class="sourceLineNo">2280</span> case Constants.SALOAD:<a name="line.2280"></a>
<span class="sourceLineNo">2281</span> return new ArrayLoadInstruction(this, opcode);<a name="line.2281"></a>
<span class="sourceLineNo">2282</span> case Constants.ISTORE:<a name="line.2282"></a>
<span class="sourceLineNo">2283</span> case Constants.LSTORE:<a name="line.2283"></a>
<span class="sourceLineNo">2284</span> case Constants.FSTORE:<a name="line.2284"></a>
<span class="sourceLineNo">2285</span> case Constants.DSTORE:<a name="line.2285"></a>
<span class="sourceLineNo">2286</span> case Constants.ASTORE:<a name="line.2286"></a>
<span class="sourceLineNo">2287</span> case Constants.ISTORE0:<a name="line.2287"></a>
<span class="sourceLineNo">2288</span> case Constants.ISTORE1:<a name="line.2288"></a>
<span class="sourceLineNo">2289</span> case Constants.ISTORE2:<a name="line.2289"></a>
<span class="sourceLineNo">2290</span> case Constants.ISTORE3:<a name="line.2290"></a>
<span class="sourceLineNo">2291</span> case Constants.LSTORE0:<a name="line.2291"></a>
<span class="sourceLineNo">2292</span> case Constants.LSTORE1:<a name="line.2292"></a>
<span class="sourceLineNo">2293</span> case Constants.LSTORE2:<a name="line.2293"></a>
<span class="sourceLineNo">2294</span> case Constants.LSTORE3:<a name="line.2294"></a>
<span class="sourceLineNo">2295</span> case Constants.FSTORE0:<a name="line.2295"></a>
<span class="sourceLineNo">2296</span> case Constants.FSTORE1:<a name="line.2296"></a>
<span class="sourceLineNo">2297</span> case Constants.FSTORE2:<a name="line.2297"></a>
<span class="sourceLineNo">2298</span> case Constants.FSTORE3:<a name="line.2298"></a>
<span class="sourceLineNo">2299</span> case Constants.DSTORE0:<a name="line.2299"></a>
<span class="sourceLineNo">2300</span> case Constants.DSTORE1:<a name="line.2300"></a>
<span class="sourceLineNo">2301</span> case Constants.DSTORE2:<a name="line.2301"></a>
<span class="sourceLineNo">2302</span> case Constants.DSTORE3:<a name="line.2302"></a>
<span class="sourceLineNo">2303</span> case Constants.ASTORE0:<a name="line.2303"></a>
<span class="sourceLineNo">2304</span> case Constants.ASTORE1:<a name="line.2304"></a>
<span class="sourceLineNo">2305</span> case Constants.ASTORE2:<a name="line.2305"></a>
<span class="sourceLineNo">2306</span> case Constants.ASTORE3:<a name="line.2306"></a>
<span class="sourceLineNo">2307</span> return new StoreInstruction(this, opcode);<a name="line.2307"></a>
<span class="sourceLineNo">2308</span> case Constants.IASTORE:<a name="line.2308"></a>
<span class="sourceLineNo">2309</span> case Constants.LASTORE:<a name="line.2309"></a>
<span class="sourceLineNo">2310</span> case Constants.FASTORE:<a name="line.2310"></a>
<span class="sourceLineNo">2311</span> case Constants.DASTORE:<a name="line.2311"></a>
<span class="sourceLineNo">2312</span> case Constants.AASTORE:<a name="line.2312"></a>
<span class="sourceLineNo">2313</span> case Constants.BASTORE:<a name="line.2313"></a>
<span class="sourceLineNo">2314</span> case Constants.CASTORE:<a name="line.2314"></a>
<span class="sourceLineNo">2315</span> case Constants.SASTORE:<a name="line.2315"></a>
<span class="sourceLineNo">2316</span> return new ArrayStoreInstruction(this, opcode);<a name="line.2316"></a>
<span class="sourceLineNo">2317</span> case Constants.POP:<a name="line.2317"></a>
<span class="sourceLineNo">2318</span> case Constants.POP2:<a name="line.2318"></a>
<span class="sourceLineNo">2319</span> case Constants.DUP:<a name="line.2319"></a>
<span class="sourceLineNo">2320</span> case Constants.DUPX1:<a name="line.2320"></a>
<span class="sourceLineNo">2321</span> case Constants.DUPX2:<a name="line.2321"></a>
<span class="sourceLineNo">2322</span> case Constants.DUP2:<a name="line.2322"></a>
<span class="sourceLineNo">2323</span> case Constants.DUP2X1:<a name="line.2323"></a>
<span class="sourceLineNo">2324</span> case Constants.DUP2X2:<a name="line.2324"></a>
<span class="sourceLineNo">2325</span> case Constants.SWAP:<a name="line.2325"></a>
<span class="sourceLineNo">2326</span> return new StackInstruction(this, opcode);<a name="line.2326"></a>
<span class="sourceLineNo">2327</span> case Constants.IADD:<a name="line.2327"></a>
<span class="sourceLineNo">2328</span> case Constants.LADD:<a name="line.2328"></a>
<span class="sourceLineNo">2329</span> case Constants.FADD:<a name="line.2329"></a>
<span class="sourceLineNo">2330</span> case Constants.DADD:<a name="line.2330"></a>
<span class="sourceLineNo">2331</span> case Constants.ISUB:<a name="line.2331"></a>
<span class="sourceLineNo">2332</span> case Constants.LSUB:<a name="line.2332"></a>
<span class="sourceLineNo">2333</span> case Constants.FSUB:<a name="line.2333"></a>
<span class="sourceLineNo">2334</span> case Constants.DSUB:<a name="line.2334"></a>
<span class="sourceLineNo">2335</span> case Constants.IMUL:<a name="line.2335"></a>
<span class="sourceLineNo">2336</span> case Constants.LMUL:<a name="line.2336"></a>
<span class="sourceLineNo">2337</span> case Constants.FMUL:<a name="line.2337"></a>
<span class="sourceLineNo">2338</span> case Constants.DMUL:<a name="line.2338"></a>
<span class="sourceLineNo">2339</span> case Constants.IDIV:<a name="line.2339"></a>
<span class="sourceLineNo">2340</span> case Constants.LDIV:<a name="line.2340"></a>
<span class="sourceLineNo">2341</span> case Constants.FDIV:<a name="line.2341"></a>
<span class="sourceLineNo">2342</span> case Constants.DDIV:<a name="line.2342"></a>
<span class="sourceLineNo">2343</span> case Constants.IREM:<a name="line.2343"></a>
<span class="sourceLineNo">2344</span> case Constants.LREM:<a name="line.2344"></a>
<span class="sourceLineNo">2345</span> case Constants.FREM:<a name="line.2345"></a>
<span class="sourceLineNo">2346</span> case Constants.DREM:<a name="line.2346"></a>
<span class="sourceLineNo">2347</span> case Constants.INEG:<a name="line.2347"></a>
<span class="sourceLineNo">2348</span> case Constants.LNEG:<a name="line.2348"></a>
<span class="sourceLineNo">2349</span> case Constants.FNEG:<a name="line.2349"></a>
<span class="sourceLineNo">2350</span> case Constants.DNEG:<a name="line.2350"></a>
<span class="sourceLineNo">2351</span> case Constants.ISHL:<a name="line.2351"></a>
<span class="sourceLineNo">2352</span> case Constants.LSHL:<a name="line.2352"></a>
<span class="sourceLineNo">2353</span> case Constants.ISHR:<a name="line.2353"></a>
<span class="sourceLineNo">2354</span> case Constants.LSHR:<a name="line.2354"></a>
<span class="sourceLineNo">2355</span> case Constants.IUSHR:<a name="line.2355"></a>
<span class="sourceLineNo">2356</span> case Constants.LUSHR:<a name="line.2356"></a>
<span class="sourceLineNo">2357</span> case Constants.IAND:<a name="line.2357"></a>
<span class="sourceLineNo">2358</span> case Constants.LAND:<a name="line.2358"></a>
<span class="sourceLineNo">2359</span> case Constants.IOR:<a name="line.2359"></a>
<span class="sourceLineNo">2360</span> case Constants.LOR:<a name="line.2360"></a>
<span class="sourceLineNo">2361</span> case Constants.IXOR:<a name="line.2361"></a>
<span class="sourceLineNo">2362</span> case Constants.LXOR:<a name="line.2362"></a>
<span class="sourceLineNo">2363</span> return new MathInstruction(this, opcode);<a name="line.2363"></a>
<span class="sourceLineNo">2364</span> case Constants.IINC:<a name="line.2364"></a>
<span class="sourceLineNo">2365</span> return new IIncInstruction(this);<a name="line.2365"></a>
<span class="sourceLineNo">2366</span> case Constants.I2L:<a name="line.2366"></a>
<span class="sourceLineNo">2367</span> case Constants.I2F:<a name="line.2367"></a>
<span class="sourceLineNo">2368</span> case Constants.I2D:<a name="line.2368"></a>
<span class="sourceLineNo">2369</span> case Constants.L2I:<a name="line.2369"></a>
<span class="sourceLineNo">2370</span> case Constants.L2F:<a name="line.2370"></a>
<span class="sourceLineNo">2371</span> case Constants.L2D:<a name="line.2371"></a>
<span class="sourceLineNo">2372</span> case Constants.F2I:<a name="line.2372"></a>
<span class="sourceLineNo">2373</span> case Constants.F2L:<a name="line.2373"></a>
<span class="sourceLineNo">2374</span> case Constants.F2D:<a name="line.2374"></a>
<span class="sourceLineNo">2375</span> case Constants.D2I:<a name="line.2375"></a>
<span class="sourceLineNo">2376</span> case Constants.D2L:<a name="line.2376"></a>
<span class="sourceLineNo">2377</span> case Constants.D2F:<a name="line.2377"></a>
<span class="sourceLineNo">2378</span> case Constants.I2B:<a name="line.2378"></a>
<span class="sourceLineNo">2379</span> case Constants.I2C:<a name="line.2379"></a>
<span class="sourceLineNo">2380</span> case Constants.I2S:<a name="line.2380"></a>
<span class="sourceLineNo">2381</span> return new ConvertInstruction(this, opcode);<a name="line.2381"></a>
<span class="sourceLineNo">2382</span> case Constants.LCMP:<a name="line.2382"></a>
<span class="sourceLineNo">2383</span> case Constants.FCMPL:<a name="line.2383"></a>
<span class="sourceLineNo">2384</span> case Constants.FCMPG:<a name="line.2384"></a>
<span class="sourceLineNo">2385</span> case Constants.DCMPL:<a name="line.2385"></a>
<span class="sourceLineNo">2386</span> case Constants.DCMPG:<a name="line.2386"></a>
<span class="sourceLineNo">2387</span> return new CmpInstruction(this, opcode);<a name="line.2387"></a>
<span class="sourceLineNo">2388</span> case Constants.IFEQ:<a name="line.2388"></a>
<span class="sourceLineNo">2389</span> case Constants.IFNE:<a name="line.2389"></a>
<span class="sourceLineNo">2390</span> case Constants.IFLT:<a name="line.2390"></a>
<span class="sourceLineNo">2391</span> case Constants.IFGE:<a name="line.2391"></a>
<span class="sourceLineNo">2392</span> case Constants.IFGT:<a name="line.2392"></a>
<span class="sourceLineNo">2393</span> case Constants.IFLE:<a name="line.2393"></a>
<span class="sourceLineNo">2394</span> case Constants.IFICMPEQ:<a name="line.2394"></a>
<span class="sourceLineNo">2395</span> case Constants.IFICMPNE:<a name="line.2395"></a>
<span class="sourceLineNo">2396</span> case Constants.IFICMPLT:<a name="line.2396"></a>
<span class="sourceLineNo">2397</span> case Constants.IFICMPGE:<a name="line.2397"></a>
<span class="sourceLineNo">2398</span> case Constants.IFICMPGT:<a name="line.2398"></a>
<span class="sourceLineNo">2399</span> case Constants.IFICMPLE:<a name="line.2399"></a>
<span class="sourceLineNo">2400</span> case Constants.IFACMPEQ:<a name="line.2400"></a>
<span class="sourceLineNo">2401</span> case Constants.IFACMPNE:<a name="line.2401"></a>
<span class="sourceLineNo">2402</span> case Constants.IFNULL:<a name="line.2402"></a>
<span class="sourceLineNo">2403</span> case Constants.IFNONNULL:<a name="line.2403"></a>
<span class="sourceLineNo">2404</span> return new IfInstruction(this, opcode);<a name="line.2404"></a>
<span class="sourceLineNo">2405</span> case Constants.GOTO:<a name="line.2405"></a>
<span class="sourceLineNo">2406</span> case Constants.JSR:<a name="line.2406"></a>
<span class="sourceLineNo">2407</span> case Constants.GOTOW:<a name="line.2407"></a>
<span class="sourceLineNo">2408</span> case Constants.JSRW:<a name="line.2408"></a>
<span class="sourceLineNo">2409</span> return new GotoInstruction(this, opcode);<a name="line.2409"></a>
<span class="sourceLineNo">2410</span> case Constants.RET:<a name="line.2410"></a>
<span class="sourceLineNo">2411</span> return new RetInstruction(this);<a name="line.2411"></a>
<span class="sourceLineNo">2412</span> case Constants.TABLESWITCH:<a name="line.2412"></a>
<span class="sourceLineNo">2413</span> return new TableSwitchInstruction(this);<a name="line.2413"></a>
<span class="sourceLineNo">2414</span> case Constants.LOOKUPSWITCH:<a name="line.2414"></a>
<span class="sourceLineNo">2415</span> return new LookupSwitchInstruction(this);<a name="line.2415"></a>
<span class="sourceLineNo">2416</span> case Constants.IRETURN:<a name="line.2416"></a>
<span class="sourceLineNo">2417</span> case Constants.LRETURN:<a name="line.2417"></a>
<span class="sourceLineNo">2418</span> case Constants.FRETURN:<a name="line.2418"></a>
<span class="sourceLineNo">2419</span> case Constants.DRETURN:<a name="line.2419"></a>
<span class="sourceLineNo">2420</span> case Constants.ARETURN:<a name="line.2420"></a>
<span class="sourceLineNo">2421</span> case Constants.RETURN:<a name="line.2421"></a>
<span class="sourceLineNo">2422</span> return new ReturnInstruction(this, opcode);<a name="line.2422"></a>
<span class="sourceLineNo">2423</span> case Constants.GETSTATIC:<a name="line.2423"></a>
<span class="sourceLineNo">2424</span> case Constants.GETFIELD:<a name="line.2424"></a>
<span class="sourceLineNo">2425</span> return new GetFieldInstruction(this, opcode);<a name="line.2425"></a>
<span class="sourceLineNo">2426</span> case Constants.PUTSTATIC:<a name="line.2426"></a>
<span class="sourceLineNo">2427</span> case Constants.PUTFIELD:<a name="line.2427"></a>
<span class="sourceLineNo">2428</span> return new PutFieldInstruction(this, opcode);<a name="line.2428"></a>
<span class="sourceLineNo">2429</span> case Constants.INVOKEVIRTUAL:<a name="line.2429"></a>
<span class="sourceLineNo">2430</span> case Constants.INVOKESPECIAL:<a name="line.2430"></a>
<span class="sourceLineNo">2431</span> case Constants.INVOKESTATIC:<a name="line.2431"></a>
<span class="sourceLineNo">2432</span> case Constants.INVOKEINTERFACE:<a name="line.2432"></a>
<span class="sourceLineNo">2433</span> case Constants.INVOKEDYNAMIC:<a name="line.2433"></a>
<span class="sourceLineNo">2434</span> return new MethodInstruction(this, opcode);<a name="line.2434"></a>
<span class="sourceLineNo">2435</span> case Constants.NEW:<a name="line.2435"></a>
<span class="sourceLineNo">2436</span> case Constants.ANEWARRAY:<a name="line.2436"></a>
<span class="sourceLineNo">2437</span> case Constants.CHECKCAST:<a name="line.2437"></a>
<span class="sourceLineNo">2438</span> case Constants.INSTANCEOF:<a name="line.2438"></a>
<span class="sourceLineNo">2439</span> return new ClassInstruction(this, opcode);<a name="line.2439"></a>
<span class="sourceLineNo">2440</span> case Constants.NEWARRAY:<a name="line.2440"></a>
<span class="sourceLineNo">2441</span> return new NewArrayInstruction(this);<a name="line.2441"></a>
<span class="sourceLineNo">2442</span> case Constants.MONITORENTER:<a name="line.2442"></a>
<span class="sourceLineNo">2443</span> return new MonitorEnterInstruction(this);<a name="line.2443"></a>
<span class="sourceLineNo">2444</span> case Constants.MONITOREXIT:<a name="line.2444"></a>
<span class="sourceLineNo">2445</span> return new MonitorExitInstruction(this);<a name="line.2445"></a>
<span class="sourceLineNo">2446</span> case Constants.WIDE:<a name="line.2446"></a>
<span class="sourceLineNo">2447</span> return new WideInstruction(this);<a name="line.2447"></a>
<span class="sourceLineNo">2448</span> case Constants.MULTIANEWARRAY:<a name="line.2448"></a>
<span class="sourceLineNo">2449</span> return new MultiANewArrayInstruction(this);<a name="line.2449"></a>
<span class="sourceLineNo">2450</span> default:<a name="line.2450"></a>
<span class="sourceLineNo">2451</span> throw new IllegalArgumentException("Illegal opcode: " + opcode);<a name="line.2451"></a>
<span class="sourceLineNo">2452</span> }<a name="line.2452"></a>
<span class="sourceLineNo">2453</span> }<a name="line.2453"></a>
<span class="sourceLineNo">2454</span><a name="line.2454"></a>
<span class="sourceLineNo">2455</span> /**<a name="line.2455"></a>
<span class="sourceLineNo">2456</span> * Returns another listIterator view of the Instructions in this<a name="line.2456"></a>
<span class="sourceLineNo">2457</span> * code block. Useful for performing read-only searches through<a name="line.2457"></a>
<span class="sourceLineNo">2458</span> * Instructions without effecting the pointer location of the main<a name="line.2458"></a>
<span class="sourceLineNo">2459</span> * code block.<a name="line.2459"></a>
<span class="sourceLineNo">2460</span> */<a name="line.2460"></a>
<span class="sourceLineNo">2461</span> public ListIterator listIterator() {<a name="line.2461"></a>
<span class="sourceLineNo">2462</span> return new CodeIterator(_head, -1);<a name="line.2462"></a>
<span class="sourceLineNo">2463</span> }<a name="line.2463"></a>
<span class="sourceLineNo">2464</span><a name="line.2464"></a>
<span class="sourceLineNo">2465</span> /**<a name="line.2465"></a>
<span class="sourceLineNo">2466</span> * Helper class to handle invalidation of instructions on removal<a name="line.2466"></a>
<span class="sourceLineNo">2467</span> * and notification of modification on addition.<a name="line.2467"></a>
<span class="sourceLineNo">2468</span> */<a name="line.2468"></a>
<span class="sourceLineNo">2469</span> private class CodeIterator implements ListIterator {<a name="line.2469"></a>
<span class="sourceLineNo">2470</span> public static final int UNSET = -99;<a name="line.2470"></a>
<span class="sourceLineNo">2471</span> private CodeEntry _bn = null; // "before next" entry<a name="line.2471"></a>
<span class="sourceLineNo">2472</span> private Instruction _last = null; // last entry returned<a name="line.2472"></a>
<span class="sourceLineNo">2473</span> private int _index = UNSET; // index of _bn<a name="line.2473"></a>
<span class="sourceLineNo">2474</span><a name="line.2474"></a>
<span class="sourceLineNo">2475</span> public CodeIterator(CodeEntry entry, int index) {<a name="line.2475"></a>
<span class="sourceLineNo">2476</span> _bn = entry;<a name="line.2476"></a>
<span class="sourceLineNo">2477</span> _index = index;<a name="line.2477"></a>
<span class="sourceLineNo">2478</span> }<a name="line.2478"></a>
<span class="sourceLineNo">2479</span><a name="line.2479"></a>
<span class="sourceLineNo">2480</span> public boolean hasNext() {<a name="line.2480"></a>
<span class="sourceLineNo">2481</span> return _bn.next != _tail;<a name="line.2481"></a>
<span class="sourceLineNo">2482</span> }<a name="line.2482"></a>
<span class="sourceLineNo">2483</span><a name="line.2483"></a>
<span class="sourceLineNo">2484</span> public boolean hasPrevious() {<a name="line.2484"></a>
<span class="sourceLineNo">2485</span> return _bn != _head;<a name="line.2485"></a>
<span class="sourceLineNo">2486</span> }<a name="line.2486"></a>
<span class="sourceLineNo">2487</span><a name="line.2487"></a>
<span class="sourceLineNo">2488</span> public Object next() {<a name="line.2488"></a>
<span class="sourceLineNo">2489</span> if (!hasNext())<a name="line.2489"></a>
<span class="sourceLineNo">2490</span> throw new NoSuchElementException();<a name="line.2490"></a>
<span class="sourceLineNo">2491</span><a name="line.2491"></a>
<span class="sourceLineNo">2492</span> _bn = _bn.next;<a name="line.2492"></a>
<span class="sourceLineNo">2493</span> _last = (Instruction) _bn;<a name="line.2493"></a>
<span class="sourceLineNo">2494</span> if (_index != UNSET)<a name="line.2494"></a>
<span class="sourceLineNo">2495</span> _index++;<a name="line.2495"></a>
<span class="sourceLineNo">2496</span> return _last;<a name="line.2496"></a>
<span class="sourceLineNo">2497</span> }<a name="line.2497"></a>
<span class="sourceLineNo">2498</span><a name="line.2498"></a>
<span class="sourceLineNo">2499</span> public int nextIndex() {<a name="line.2499"></a>
<span class="sourceLineNo">2500</span> return initIndex() + 1;<a name="line.2500"></a>
<span class="sourceLineNo">2501</span> }<a name="line.2501"></a>
<span class="sourceLineNo">2502</span><a name="line.2502"></a>
<span class="sourceLineNo">2503</span> public Object previous() {<a name="line.2503"></a>
<span class="sourceLineNo">2504</span> if (!hasPrevious())<a name="line.2504"></a>
<span class="sourceLineNo">2505</span> throw new NoSuchElementException();<a name="line.2505"></a>
<span class="sourceLineNo">2506</span><a name="line.2506"></a>
<span class="sourceLineNo">2507</span> _last = (Instruction) _bn;<a name="line.2507"></a>
<span class="sourceLineNo">2508</span> _bn = _bn.prev;<a name="line.2508"></a>
<span class="sourceLineNo">2509</span> if (_index != UNSET)<a name="line.2509"></a>
<span class="sourceLineNo">2510</span> _index--;<a name="line.2510"></a>
<span class="sourceLineNo">2511</span> return _last;<a name="line.2511"></a>
<span class="sourceLineNo">2512</span> }<a name="line.2512"></a>
<span class="sourceLineNo">2513</span><a name="line.2513"></a>
<span class="sourceLineNo">2514</span> public int previousIndex() {<a name="line.2514"></a>
<span class="sourceLineNo">2515</span> return initIndex();<a name="line.2515"></a>
<span class="sourceLineNo">2516</span> }<a name="line.2516"></a>
<span class="sourceLineNo">2517</span><a name="line.2517"></a>
<span class="sourceLineNo">2518</span> private int initIndex() {<a name="line.2518"></a>
<span class="sourceLineNo">2519</span> if (_index == UNSET) {<a name="line.2519"></a>
<span class="sourceLineNo">2520</span> if (_bn == _head)<a name="line.2520"></a>
<span class="sourceLineNo">2521</span> _index = -1;<a name="line.2521"></a>
<span class="sourceLineNo">2522</span> else<a name="line.2522"></a>
<span class="sourceLineNo">2523</span> _index = indexOf((Instruction) _bn);<a name="line.2523"></a>
<span class="sourceLineNo">2524</span> }<a name="line.2524"></a>
<span class="sourceLineNo">2525</span> return _index;<a name="line.2525"></a>
<span class="sourceLineNo">2526</span> }<a name="line.2526"></a>
<span class="sourceLineNo">2527</span><a name="line.2527"></a>
<span class="sourceLineNo">2528</span> public void add(Object obj) {<a name="line.2528"></a>
<span class="sourceLineNo">2529</span> addInternal(obj);<a name="line.2529"></a>
<span class="sourceLineNo">2530</span> invalidateByteIndexes();<a name="line.2530"></a>
<span class="sourceLineNo">2531</span> }<a name="line.2531"></a>
<span class="sourceLineNo">2532</span><a name="line.2532"></a>
<span class="sourceLineNo">2533</span> private void addInternal(Object obj) {<a name="line.2533"></a>
<span class="sourceLineNo">2534</span> if (obj == null)<a name="line.2534"></a>
<span class="sourceLineNo">2535</span> throw new NullPointerException("obj = null");<a name="line.2535"></a>
<span class="sourceLineNo">2536</span><a name="line.2536"></a>
<span class="sourceLineNo">2537</span> Instruction ins = (Instruction) obj;<a name="line.2537"></a>
<span class="sourceLineNo">2538</span> if (_size == 0) {<a name="line.2538"></a>
<span class="sourceLineNo">2539</span> _head.next = ins;<a name="line.2539"></a>
<span class="sourceLineNo">2540</span> _tail.prev = ins;<a name="line.2540"></a>
<span class="sourceLineNo">2541</span> ins.prev = _head;<a name="line.2541"></a>
<span class="sourceLineNo">2542</span> ins.next = _tail;<a name="line.2542"></a>
<span class="sourceLineNo">2543</span> _index = 0;<a name="line.2543"></a>
<span class="sourceLineNo">2544</span> } else {<a name="line.2544"></a>
<span class="sourceLineNo">2545</span> CodeEntry next = _bn.next;<a name="line.2545"></a>
<span class="sourceLineNo">2546</span> _bn.next = ins;<a name="line.2546"></a>
<span class="sourceLineNo">2547</span> next.prev = ins;<a name="line.2547"></a>
<span class="sourceLineNo">2548</span> ins.prev = _bn;<a name="line.2548"></a>
<span class="sourceLineNo">2549</span> ins.next = next;<a name="line.2549"></a>
<span class="sourceLineNo">2550</span> if (_index != UNSET)<a name="line.2550"></a>
<span class="sourceLineNo">2551</span> _index++;<a name="line.2551"></a>
<span class="sourceLineNo">2552</span> }<a name="line.2552"></a>
<span class="sourceLineNo">2553</span><a name="line.2553"></a>
<span class="sourceLineNo">2554</span> _bn = ins;<a name="line.2554"></a>
<span class="sourceLineNo">2555</span> _last = ins;<a name="line.2555"></a>
<span class="sourceLineNo">2556</span> _size++;<a name="line.2556"></a>
<span class="sourceLineNo">2557</span> }<a name="line.2557"></a>
<span class="sourceLineNo">2558</span><a name="line.2558"></a>
<span class="sourceLineNo">2559</span> public void set(Object obj) {<a name="line.2559"></a>
<span class="sourceLineNo">2560</span> if (obj == null)<a name="line.2560"></a>
<span class="sourceLineNo">2561</span> throw new NullPointerException("obj = null");<a name="line.2561"></a>
<span class="sourceLineNo">2562</span> if (_last == null)<a name="line.2562"></a>
<span class="sourceLineNo">2563</span> throw new IllegalStateException();<a name="line.2563"></a>
<span class="sourceLineNo">2564</span><a name="line.2564"></a>
<span class="sourceLineNo">2565</span> Instruction ins = (Instruction) obj;<a name="line.2565"></a>
<span class="sourceLineNo">2566</span> ins.prev = _last.prev;<a name="line.2566"></a>
<span class="sourceLineNo">2567</span> ins.next = _last.next;<a name="line.2567"></a>
<span class="sourceLineNo">2568</span> ins.prev.next = ins;<a name="line.2568"></a>
<span class="sourceLineNo">2569</span> ins.next.prev = ins;<a name="line.2569"></a>
<span class="sourceLineNo">2570</span><a name="line.2570"></a>
<span class="sourceLineNo">2571</span> replaceTarget(_last, ins);<a name="line.2571"></a>
<span class="sourceLineNo">2572</span> _last.invalidate();<a name="line.2572"></a>
<span class="sourceLineNo">2573</span> if (_bn == _last)<a name="line.2573"></a>
<span class="sourceLineNo">2574</span> _bn = ins;<a name="line.2574"></a>
<span class="sourceLineNo">2575</span> _last = ins;<a name="line.2575"></a>
<span class="sourceLineNo">2576</span> invalidateByteIndexes();<a name="line.2576"></a>
<span class="sourceLineNo">2577</span> }<a name="line.2577"></a>
<span class="sourceLineNo">2578</span><a name="line.2578"></a>
<span class="sourceLineNo">2579</span> public void remove() {<a name="line.2579"></a>
<span class="sourceLineNo">2580</span> if (_last == null)<a name="line.2580"></a>
<span class="sourceLineNo">2581</span> throw new IllegalStateException();<a name="line.2581"></a>
<span class="sourceLineNo">2582</span><a name="line.2582"></a>
<span class="sourceLineNo">2583</span> if (_bn == _last)<a name="line.2583"></a>
<span class="sourceLineNo">2584</span> _bn = _last.prev;<a name="line.2584"></a>
<span class="sourceLineNo">2585</span> _index--;<a name="line.2585"></a>
<span class="sourceLineNo">2586</span> _last.prev.next = _last.next;<a name="line.2586"></a>
<span class="sourceLineNo">2587</span> _last.next.prev = _last.prev;<a name="line.2587"></a>
<span class="sourceLineNo">2588</span> _size--;<a name="line.2588"></a>
<span class="sourceLineNo">2589</span><a name="line.2589"></a>
<span class="sourceLineNo">2590</span> Instruction orig = _last;<a name="line.2590"></a>
<span class="sourceLineNo">2591</span> Instruction replace = null;<a name="line.2591"></a>
<span class="sourceLineNo">2592</span> if (orig.next != _tail)<a name="line.2592"></a>
<span class="sourceLineNo">2593</span> replace = (Instruction) orig.next;<a name="line.2593"></a>
<span class="sourceLineNo">2594</span> else<a name="line.2594"></a>
<span class="sourceLineNo">2595</span> replace = nop();<a name="line.2595"></a>
<span class="sourceLineNo">2596</span> replaceTarget(orig, replace);<a name="line.2596"></a>
<span class="sourceLineNo">2597</span> orig.invalidate();<a name="line.2597"></a>
<span class="sourceLineNo">2598</span> _last = null;<a name="line.2598"></a>
<span class="sourceLineNo">2599</span> invalidateByteIndexes();<a name="line.2599"></a>
<span class="sourceLineNo">2600</span> }<a name="line.2600"></a>
<span class="sourceLineNo">2601</span><a name="line.2601"></a>
<span class="sourceLineNo">2602</span> private void replaceTarget(Instruction orig, Instruction replace) {<a name="line.2602"></a>
<span class="sourceLineNo">2603</span> for (CodeEntry entry = _head.next; entry != _tail;<a name="line.2603"></a>
<span class="sourceLineNo">2604</span> entry = entry.next) {<a name="line.2604"></a>
<span class="sourceLineNo">2605</span> if (entry instanceof InstructionPtr)<a name="line.2605"></a>
<span class="sourceLineNo">2606</span> ((InstructionPtr) entry).replaceTarget(orig, replace);<a name="line.2606"></a>
<span class="sourceLineNo">2607</span> }<a name="line.2607"></a>
<span class="sourceLineNo">2608</span><a name="line.2608"></a>
<span class="sourceLineNo">2609</span> // update the ExceptionHandler pointers<a name="line.2609"></a>
<span class="sourceLineNo">2610</span> ExceptionHandler[] handlers = getExceptionHandlers();<a name="line.2610"></a>
<span class="sourceLineNo">2611</span> for (int i = 0; i < handlers.length; i++)<a name="line.2611"></a>
<span class="sourceLineNo">2612</span> handlers[i].replaceTarget(orig, replace);<a name="line.2612"></a>
<span class="sourceLineNo">2613</span><a name="line.2613"></a>
<span class="sourceLineNo">2614</span> // update LineNumber pointers<a name="line.2614"></a>
<span class="sourceLineNo">2615</span> LineNumberTable lineNumbers = getLineNumberTable(false);<a name="line.2615"></a>
<span class="sourceLineNo">2616</span> if (lineNumbers != null)<a name="line.2616"></a>
<span class="sourceLineNo">2617</span> lineNumbers.replaceTarget(orig, replace);<a name="line.2617"></a>
<span class="sourceLineNo">2618</span><a name="line.2618"></a>
<span class="sourceLineNo">2619</span> // update LocalVariable pointers<a name="line.2619"></a>
<span class="sourceLineNo">2620</span> LocalVariableTable variables = getLocalVariableTable(false);<a name="line.2620"></a>
<span class="sourceLineNo">2621</span> if (variables != null)<a name="line.2621"></a>
<span class="sourceLineNo">2622</span> variables.replaceTarget(orig, replace);<a name="line.2622"></a>
<span class="sourceLineNo">2623</span><a name="line.2623"></a>
<span class="sourceLineNo">2624</span> // update LocalVariableType pointers<a name="line.2624"></a>
<span class="sourceLineNo">2625</span> LocalVariableTypeTable types = getLocalVariableTypeTable(false);<a name="line.2625"></a>
<span class="sourceLineNo">2626</span> if (types != null)<a name="line.2626"></a>
<span class="sourceLineNo">2627</span> types.replaceTarget(orig, replace);<a name="line.2627"></a>
<span class="sourceLineNo">2628</span> }<a name="line.2628"></a>
<span class="sourceLineNo">2629</span> }<a name="line.2629"></a>
<span class="sourceLineNo">2630</span>}<a name="line.2630"></a>
</pre>
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