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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.lang.reflect.*;<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>import serp.util.*;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>/**<a name="line.10"></a>
<span class="sourceLineNo">011</span> * Instruction that takes as an argument a field to operate<a name="line.11"></a>
<span class="sourceLineNo">012</span> * on. Examples include <code>getfield, getstatic, setfield, setstatic</code>.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * @author Abe White<a name="line.14"></a>
<span class="sourceLineNo">015</span> */<a name="line.15"></a>
<span class="sourceLineNo">016</span>public abstract class FieldInstruction extends Instruction {<a name="line.16"></a>
<span class="sourceLineNo">017</span> private int _index = 0;<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span> FieldInstruction(Code owner, int opcode) {<a name="line.19"></a>
<span class="sourceLineNo">020</span> super(owner, opcode);<a name="line.20"></a>
<span class="sourceLineNo">021</span> }<a name="line.21"></a>
<span class="sourceLineNo">022</span><a name="line.22"></a>
<span class="sourceLineNo">023</span> int getLength() {<a name="line.23"></a>
<span class="sourceLineNo">024</span> return super.getLength() + 2;<a name="line.24"></a>
<span class="sourceLineNo">025</span> }<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span> ////////////////////<a name="line.27"></a>
<span class="sourceLineNo">028</span> // Field operations<a name="line.28"></a>
<span class="sourceLineNo">029</span> ////////////////////<a name="line.29"></a>
<span class="sourceLineNo">030</span><a name="line.30"></a>
<span class="sourceLineNo">031</span> /**<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Return the index in the class {@link ConstantPool} of the<a name="line.32"></a>
<span class="sourceLineNo">033</span> * {@link ComplexEntry} describing the field to operate on.<a name="line.33"></a>
<span class="sourceLineNo">034</span> */<a name="line.34"></a>
<span class="sourceLineNo">035</span> public int getFieldIndex() {<a name="line.35"></a>
<span class="sourceLineNo">036</span> return _index;<a name="line.36"></a>
<span class="sourceLineNo">037</span> }<a name="line.37"></a>
<span class="sourceLineNo">038</span><a name="line.38"></a>
<span class="sourceLineNo">039</span> /**<a name="line.39"></a>
<span class="sourceLineNo">040</span> * Set the index in the class {@link ConstantPool} of the<a name="line.40"></a>
<span class="sourceLineNo">041</span> * {@link ComplexEntry} describing the field to operate on.<a name="line.41"></a>
<span class="sourceLineNo">042</span> *<a name="line.42"></a>
<span class="sourceLineNo">043</span> * @return this instruction, for method chaining<a name="line.43"></a>
<span class="sourceLineNo">044</span> */<a name="line.44"></a>
<span class="sourceLineNo">045</span> public FieldInstruction setFieldIndex(int index) {<a name="line.45"></a>
<span class="sourceLineNo">046</span> _index = index;<a name="line.46"></a>
<span class="sourceLineNo">047</span> return this;<a name="line.47"></a>
<span class="sourceLineNo">048</span> }<a name="line.48"></a>
<span class="sourceLineNo">049</span><a name="line.49"></a>
<span class="sourceLineNo">050</span> /**<a name="line.50"></a>
<span class="sourceLineNo">051</span> * Return the field this instruction operates on, or null if not set.<a name="line.51"></a>
<span class="sourceLineNo">052</span> */<a name="line.52"></a>
<span class="sourceLineNo">053</span> public BCField getField() {<a name="line.53"></a>
<span class="sourceLineNo">054</span> String dec = getFieldDeclarerName();<a name="line.54"></a>
<span class="sourceLineNo">055</span> if (dec == null) <a name="line.55"></a>
<span class="sourceLineNo">056</span> return null;<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span> BCClass bc = getProject().loadClass(dec, getClassLoader());<a name="line.58"></a>
<span class="sourceLineNo">059</span> BCField[] fields = bc.getFields(getFieldName());<a name="line.59"></a>
<span class="sourceLineNo">060</span> if (fields.length == 0)<a name="line.60"></a>
<span class="sourceLineNo">061</span> return null;<a name="line.61"></a>
<span class="sourceLineNo">062</span> return fields[0];<a name="line.62"></a>
<span class="sourceLineNo">063</span> }<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span> /**<a name="line.65"></a>
<span class="sourceLineNo">066</span> * Set the field this instruction operates on.<a name="line.66"></a>
<span class="sourceLineNo">067</span> *<a name="line.67"></a>
<span class="sourceLineNo">068</span> * @return this instruction, for method chaining<a name="line.68"></a>
<span class="sourceLineNo">069</span> */<a name="line.69"></a>
<span class="sourceLineNo">070</span> public FieldInstruction setField(BCField field) {<a name="line.70"></a>
<span class="sourceLineNo">071</span> if (field == null)<a name="line.71"></a>
<span class="sourceLineNo">072</span> return setFieldIndex(0);<a name="line.72"></a>
<span class="sourceLineNo">073</span> return setField(field.getDeclarer().getName(), field.getName(),<a name="line.73"></a>
<span class="sourceLineNo">074</span> field.getTypeName());<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> * Set the field this instruction operates on.<a name="line.78"></a>
<span class="sourceLineNo">079</span> *<a name="line.79"></a>
<span class="sourceLineNo">080</span> * @return this instruction, for method chaining<a name="line.80"></a>
<span class="sourceLineNo">081</span> */<a name="line.81"></a>
<span class="sourceLineNo">082</span> public FieldInstruction setField(Field field) {<a name="line.82"></a>
<span class="sourceLineNo">083</span> if (field == null)<a name="line.83"></a>
<span class="sourceLineNo">084</span> return setFieldIndex(0);<a name="line.84"></a>
<span class="sourceLineNo">085</span> return setField(field.getDeclaringClass(), field.getName(),<a name="line.85"></a>
<span class="sourceLineNo">086</span> field.getType());<a name="line.86"></a>
<span class="sourceLineNo">087</span> }<a name="line.87"></a>
<span class="sourceLineNo">088</span><a name="line.88"></a>
<span class="sourceLineNo">089</span> /**<a name="line.89"></a>
<span class="sourceLineNo">090</span> * Set the field this instruction operates on.<a name="line.90"></a>
<span class="sourceLineNo">091</span> *<a name="line.91"></a>
<span class="sourceLineNo">092</span> * @param dec the full class name of the field's declaring class<a name="line.92"></a>
<span class="sourceLineNo">093</span> * @param name the field name<a name="line.93"></a>
<span class="sourceLineNo">094</span> * @param type the full class name of the field type<a name="line.94"></a>
<span class="sourceLineNo">095</span> * @return this instruction, for method chaining<a name="line.95"></a>
<span class="sourceLineNo">096</span> */<a name="line.96"></a>
<span class="sourceLineNo">097</span> public FieldInstruction setField(String dec, String name, String type) {<a name="line.97"></a>
<span class="sourceLineNo">098</span> if (dec == null && name == null && type == null)<a name="line.98"></a>
<span class="sourceLineNo">099</span> return setFieldIndex(0);<a name="line.99"></a>
<span class="sourceLineNo">100</span> if (dec == null)<a name="line.100"></a>
<span class="sourceLineNo">101</span> dec = "";<a name="line.101"></a>
<span class="sourceLineNo">102</span> if (name == null)<a name="line.102"></a>
<span class="sourceLineNo">103</span> name = "";<a name="line.103"></a>
<span class="sourceLineNo">104</span> if (type == null)<a name="line.104"></a>
<span class="sourceLineNo">105</span> type = "";<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span> dec = getProject().getNameCache().getInternalForm(dec, false);<a name="line.107"></a>
<span class="sourceLineNo">108</span> type = getProject().getNameCache().getInternalForm(type, true);<a name="line.108"></a>
<span class="sourceLineNo">109</span> return setFieldIndex(getPool().findFieldEntry(dec, name, type, true));<a name="line.109"></a>
<span class="sourceLineNo">110</span> }<a name="line.110"></a>
<span class="sourceLineNo">111</span><a name="line.111"></a>
<span class="sourceLineNo">112</span> /**<a name="line.112"></a>
<span class="sourceLineNo">113</span> * Set the field this instruction operates on, for fields that are<a name="line.113"></a>
<span class="sourceLineNo">114</span> * declared by the current class.<a name="line.114"></a>
<span class="sourceLineNo">115</span> *<a name="line.115"></a>
<span class="sourceLineNo">116</span> * @param name the field name<a name="line.116"></a>
<span class="sourceLineNo">117</span> * @param type the full class name of the field type<a name="line.117"></a>
<span class="sourceLineNo">118</span> * @return this instruction, for method chaining<a name="line.118"></a>
<span class="sourceLineNo">119</span> */<a name="line.119"></a>
<span class="sourceLineNo">120</span> public FieldInstruction setField(String name, String type) {<a name="line.120"></a>
<span class="sourceLineNo">121</span> BCClass owner = getCode().getMethod().getDeclarer();<a name="line.121"></a>
<span class="sourceLineNo">122</span> return setField(owner.getName(), name, type);<a name="line.122"></a>
<span class="sourceLineNo">123</span> }<a name="line.123"></a>
<span class="sourceLineNo">124</span><a name="line.124"></a>
<span class="sourceLineNo">125</span> /**<a name="line.125"></a>
<span class="sourceLineNo">126</span> * Set the field this instruction operates on.<a name="line.126"></a>
<span class="sourceLineNo">127</span> *<a name="line.127"></a>
<span class="sourceLineNo">128</span> * @param dec the field's declaring class<a name="line.128"></a>
<span class="sourceLineNo">129</span> * @param name the field name<a name="line.129"></a>
<span class="sourceLineNo">130</span> * @param type the class of the field type<a name="line.130"></a>
<span class="sourceLineNo">131</span> * @return this instruction, for method chaining<a name="line.131"></a>
<span class="sourceLineNo">132</span> */<a name="line.132"></a>
<span class="sourceLineNo">133</span> public FieldInstruction setField(Class dec, String name, Class type) {<a name="line.133"></a>
<span class="sourceLineNo">134</span> String decName = (dec == null) ? null : dec.getName();<a name="line.134"></a>
<span class="sourceLineNo">135</span> String typeName = (type == null) ? null : type.getName();<a name="line.135"></a>
<span class="sourceLineNo">136</span> return setField(decName, name, typeName);<a name="line.136"></a>
<span class="sourceLineNo">137</span> }<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span> /**<a name="line.139"></a>
<span class="sourceLineNo">140</span> * Set the field this instruction operates on, for fields that are<a name="line.140"></a>
<span class="sourceLineNo">141</span> * declared by the current class.<a name="line.141"></a>
<span class="sourceLineNo">142</span> *<a name="line.142"></a>
<span class="sourceLineNo">143</span> * @param name the field name<a name="line.143"></a>
<span class="sourceLineNo">144</span> * @param type the class of the field type<a name="line.144"></a>
<span class="sourceLineNo">145</span> * @return this instruction, for method chaining<a name="line.145"></a>
<span class="sourceLineNo">146</span> */<a name="line.146"></a>
<span class="sourceLineNo">147</span> public FieldInstruction setField(String name, Class type) {<a name="line.147"></a>
<span class="sourceLineNo">148</span> BCClass owner = getCode().getMethod().getDeclarer();<a name="line.148"></a>
<span class="sourceLineNo">149</span> String typeName = (type == null) ? null : type.getName();<a name="line.149"></a>
<span class="sourceLineNo">150</span> return setField(owner.getName(), name, typeName);<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> * Set the field this instruction operates on.<a name="line.154"></a>
<span class="sourceLineNo">155</span> *<a name="line.155"></a>
<span class="sourceLineNo">156</span> * @param dec the field's declaring class<a name="line.156"></a>
<span class="sourceLineNo">157</span> * @param name the field name<a name="line.157"></a>
<span class="sourceLineNo">158</span> * @param type the class of the field type<a name="line.158"></a>
<span class="sourceLineNo">159</span> * @return this instruction, for method chaining<a name="line.159"></a>
<span class="sourceLineNo">160</span> */<a name="line.160"></a>
<span class="sourceLineNo">161</span> public FieldInstruction setField(BCClass dec, String name, BCClass type) {<a name="line.161"></a>
<span class="sourceLineNo">162</span> String decName = (dec == null) ? null : dec.getName();<a name="line.162"></a>
<span class="sourceLineNo">163</span> String typeName = (type == null) ? null : type.getName();<a name="line.163"></a>
<span class="sourceLineNo">164</span> return setField(decName, name, typeName);<a name="line.164"></a>
<span class="sourceLineNo">165</span> }<a name="line.165"></a>
<span class="sourceLineNo">166</span><a name="line.166"></a>
<span class="sourceLineNo">167</span> /**<a name="line.167"></a>
<span class="sourceLineNo">168</span> * Set the field this instruction operates on, for fields that are<a name="line.168"></a>
<span class="sourceLineNo">169</span> * declared by the current class.<a name="line.169"></a>
<span class="sourceLineNo">170</span> *<a name="line.170"></a>
<span class="sourceLineNo">171</span> * @param name the field name<a name="line.171"></a>
<span class="sourceLineNo">172</span> * @param type the class of the field type<a name="line.172"></a>
<span class="sourceLineNo">173</span> * @return this instruction, for method chaining<a name="line.173"></a>
<span class="sourceLineNo">174</span> */<a name="line.174"></a>
<span class="sourceLineNo">175</span> public FieldInstruction setField(String name, BCClass type) {<a name="line.175"></a>
<span class="sourceLineNo">176</span> BCClass owner = getCode().getMethod().getDeclarer();<a name="line.176"></a>
<span class="sourceLineNo">177</span> String typeName = (type == null) ? null : type.getName();<a name="line.177"></a>
<span class="sourceLineNo">178</span> return setField(owner.getName(), name, typeName);<a name="line.178"></a>
<span class="sourceLineNo">179</span> }<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> // Name, Type, Owner operations<a name="line.182"></a>
<span class="sourceLineNo">183</span> ////////////////////////////////<a name="line.183"></a>
<span class="sourceLineNo">184</span><a name="line.184"></a>
<span class="sourceLineNo">185</span> /**<a name="line.185"></a>
<span class="sourceLineNo">186</span> * Return the name of the field this instruction operates on, or null<a name="line.186"></a>
<span class="sourceLineNo">187</span> * if not set.<a name="line.187"></a>
<span class="sourceLineNo">188</span> */<a name="line.188"></a>
<span class="sourceLineNo">189</span> public String getFieldName() {<a name="line.189"></a>
<span class="sourceLineNo">190</span> int index = getFieldIndex();<a name="line.190"></a>
<span class="sourceLineNo">191</span> if (index == 0)<a name="line.191"></a>
<span class="sourceLineNo">192</span> return null;<a name="line.192"></a>
<span class="sourceLineNo">193</span><a name="line.193"></a>
<span class="sourceLineNo">194</span> ComplexEntry entry = (ComplexEntry) getPool().getEntry(index);<a name="line.194"></a>
<span class="sourceLineNo">195</span> String name = entry.getNameAndTypeEntry().getNameEntry().getValue();<a name="line.195"></a>
<span class="sourceLineNo">196</span> if (name.length() == 0)<a name="line.196"></a>
<span class="sourceLineNo">197</span> return null;<a name="line.197"></a>
<span class="sourceLineNo">198</span> return name;<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> * Set the name of the field this instruction operates on.<a name="line.202"></a>
<span class="sourceLineNo">203</span> *<a name="line.203"></a>
<span class="sourceLineNo">204</span> * @return this instruction, for method chaining<a name="line.204"></a>
<span class="sourceLineNo">205</span> */<a name="line.205"></a>
<span class="sourceLineNo">206</span> public FieldInstruction setFieldName(String name) {<a name="line.206"></a>
<span class="sourceLineNo">207</span> return setField(getFieldDeclarerName(), name, getFieldTypeName());<a name="line.207"></a>
<span class="sourceLineNo">208</span> }<a name="line.208"></a>
<span class="sourceLineNo">209</span><a name="line.209"></a>
<span class="sourceLineNo">210</span> /**<a name="line.210"></a>
<span class="sourceLineNo">211</span> * Return the type of the field this instruction operates on, or null<a name="line.211"></a>
<span class="sourceLineNo">212</span> * if not set.<a name="line.212"></a>
<span class="sourceLineNo">213</span> */<a name="line.213"></a>
<span class="sourceLineNo">214</span> public String getFieldTypeName() {<a name="line.214"></a>
<span class="sourceLineNo">215</span> int index = getFieldIndex();<a name="line.215"></a>
<span class="sourceLineNo">216</span> if (index == 0)<a name="line.216"></a>
<span class="sourceLineNo">217</span> return null;<a name="line.217"></a>
<span class="sourceLineNo">218</span><a name="line.218"></a>
<span class="sourceLineNo">219</span> ComplexEntry entry = (ComplexEntry) getPool().getEntry(index);<a name="line.219"></a>
<span class="sourceLineNo">220</span> String name = getProject().getNameCache().getExternalForm(entry.<a name="line.220"></a>
<span class="sourceLineNo">221</span> getNameAndTypeEntry().getDescriptorEntry().getValue(), false);<a name="line.221"></a>
<span class="sourceLineNo">222</span> if (name.length() == 0)<a name="line.222"></a>
<span class="sourceLineNo">223</span> return null;<a name="line.223"></a>
<span class="sourceLineNo">224</span> return name;<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> * Return the type of the field this instruction operates on, or null<a name="line.228"></a>
<span class="sourceLineNo">229</span> * if not set.<a name="line.229"></a>
<span class="sourceLineNo">230</span> */<a name="line.230"></a>
<span class="sourceLineNo">231</span> public Class getFieldType() {<a name="line.231"></a>
<span class="sourceLineNo">232</span> String type = getFieldTypeName();<a name="line.232"></a>
<span class="sourceLineNo">233</span> if (type == null)<a name="line.233"></a>
<span class="sourceLineNo">234</span> return null;<a name="line.234"></a>
<span class="sourceLineNo">235</span> return Strings.toClass(type, getClassLoader());<a name="line.235"></a>
<span class="sourceLineNo">236</span> }<a name="line.236"></a>
<span class="sourceLineNo">237</span><a name="line.237"></a>
<span class="sourceLineNo">238</span> /**<a name="line.238"></a>
<span class="sourceLineNo">239</span> * Return the type of the field this instruction operates on, or null<a name="line.239"></a>
<span class="sourceLineNo">240</span> * if not set.<a name="line.240"></a>
<span class="sourceLineNo">241</span> */<a name="line.241"></a>
<span class="sourceLineNo">242</span> public BCClass getFieldTypeBC() {<a name="line.242"></a>
<span class="sourceLineNo">243</span> String type = getFieldTypeName();<a name="line.243"></a>
<span class="sourceLineNo">244</span> if (type == null)<a name="line.244"></a>
<span class="sourceLineNo">245</span> return null;<a name="line.245"></a>
<span class="sourceLineNo">246</span> return getProject().loadClass(type, getClassLoader());<a name="line.246"></a>
<span class="sourceLineNo">247</span> }<a name="line.247"></a>
<span class="sourceLineNo">248</span><a name="line.248"></a>
<span class="sourceLineNo">249</span> /**<a name="line.249"></a>
<span class="sourceLineNo">250</span> * Set the type of the field this instruction operates on.<a name="line.250"></a>
<span class="sourceLineNo">251</span> *<a name="line.251"></a>
<span class="sourceLineNo">252</span> * @return this instruction, for method chaining<a name="line.252"></a>
<span class="sourceLineNo">253</span> */<a name="line.253"></a>
<span class="sourceLineNo">254</span> public FieldInstruction setFieldType(String type) {<a name="line.254"></a>
<span class="sourceLineNo">255</span> return setField(getFieldDeclarerName(), getFieldName(), type);<a name="line.255"></a>
<span class="sourceLineNo">256</span> }<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> * Set the type of the field this instruction operates on.<a name="line.259"></a>
<span class="sourceLineNo">260</span> *<a name="line.260"></a>
<span class="sourceLineNo">261</span> * @return this instruction, for method chaining<a name="line.261"></a>
<span class="sourceLineNo">262</span> */<a name="line.262"></a>
<span class="sourceLineNo">263</span> public FieldInstruction setFieldType(Class type) {<a name="line.263"></a>
<span class="sourceLineNo">264</span> String name = null;<a name="line.264"></a>
<span class="sourceLineNo">265</span> if (type != null)<a name="line.265"></a>
<span class="sourceLineNo">266</span> name = type.getName();<a name="line.266"></a>
<span class="sourceLineNo">267</span> return setFieldType(name);<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> * Set the type of the field this instruction operates on.<a name="line.271"></a>
<span class="sourceLineNo">272</span> *<a name="line.272"></a>
<span class="sourceLineNo">273</span> * @return this instruction, for method chaining<a name="line.273"></a>
<span class="sourceLineNo">274</span> */<a name="line.274"></a>
<span class="sourceLineNo">275</span> public FieldInstruction setFieldType(BCClass type) {<a name="line.275"></a>
<span class="sourceLineNo">276</span> String name = null;<a name="line.276"></a>
<span class="sourceLineNo">277</span> if (type != null)<a name="line.277"></a>
<span class="sourceLineNo">278</span> name = type.getName();<a name="line.278"></a>
<span class="sourceLineNo">279</span> return setFieldType(name);<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> /**<a name="line.282"></a>
<span class="sourceLineNo">283</span> * Return the declaring class of the field this instruction operates on,<a name="line.283"></a>
<span class="sourceLineNo">284</span> * or null if not set.<a name="line.284"></a>
<span class="sourceLineNo">285</span> */<a name="line.285"></a>
<span class="sourceLineNo">286</span> public String getFieldDeclarerName() {<a name="line.286"></a>
<span class="sourceLineNo">287</span> int index = getFieldIndex();<a name="line.287"></a>
<span class="sourceLineNo">288</span> if (index == 0)<a name="line.288"></a>
<span class="sourceLineNo">289</span> return null;<a name="line.289"></a>
<span class="sourceLineNo">290</span><a name="line.290"></a>
<span class="sourceLineNo">291</span> ComplexEntry entry = (ComplexEntry) getPool().getEntry(index);<a name="line.291"></a>
<span class="sourceLineNo">292</span> String name = getProject().getNameCache().getExternalForm(entry.<a name="line.292"></a>
<span class="sourceLineNo">293</span> getClassEntry().getNameEntry().getValue(), false);<a name="line.293"></a>
<span class="sourceLineNo">294</span> if (name.length() == 0)<a name="line.294"></a>
<span class="sourceLineNo">295</span> return null;<a name="line.295"></a>
<span class="sourceLineNo">296</span> return name;<a name="line.296"></a>
<span class="sourceLineNo">297</span> }<a name="line.297"></a>
<span class="sourceLineNo">298</span><a name="line.298"></a>
<span class="sourceLineNo">299</span> /**<a name="line.299"></a>
<span class="sourceLineNo">300</span> * Return the declaring class of the field this instruction operates on,<a name="line.300"></a>
<span class="sourceLineNo">301</span> * or null if not set.<a name="line.301"></a>
<span class="sourceLineNo">302</span> */<a name="line.302"></a>
<span class="sourceLineNo">303</span> public Class getFieldDeclarerType() {<a name="line.303"></a>
<span class="sourceLineNo">304</span> String type = getFieldDeclarerName();<a name="line.304"></a>
<span class="sourceLineNo">305</span> if (type == null)<a name="line.305"></a>
<span class="sourceLineNo">306</span> return null;<a name="line.306"></a>
<span class="sourceLineNo">307</span> return Strings.toClass(type, getClassLoader());<a name="line.307"></a>
<span class="sourceLineNo">308</span> }<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> * Return the declaring class of the field this instruction operates on,<a name="line.311"></a>
<span class="sourceLineNo">312</span> * or null if not set.<a name="line.312"></a>
<span class="sourceLineNo">313</span> */<a name="line.313"></a>
<span class="sourceLineNo">314</span> public BCClass getFieldDeclarerBC() {<a name="line.314"></a>
<span class="sourceLineNo">315</span> String type = getFieldDeclarerName();<a name="line.315"></a>
<span class="sourceLineNo">316</span> if (type == null)<a name="line.316"></a>
<span class="sourceLineNo">317</span> return null;<a name="line.317"></a>
<span class="sourceLineNo">318</span> return getProject().loadClass(type, getClassLoader());<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 declaring class of the field this instruction operates on.<a name="line.322"></a>
<span class="sourceLineNo">323</span> *<a name="line.323"></a>
<span class="sourceLineNo">324</span> * @return this instruction, for method chaining<a name="line.324"></a>
<span class="sourceLineNo">325</span> */<a name="line.325"></a>
<span class="sourceLineNo">326</span> public FieldInstruction setFieldDeclarer(String type) {<a name="line.326"></a>
<span class="sourceLineNo">327</span> return setField(type, getFieldName(), getFieldTypeName());<a name="line.327"></a>
<span class="sourceLineNo">328</span> }<a name="line.328"></a>
<span class="sourceLineNo">329</span><a name="line.329"></a>
<span class="sourceLineNo">330</span> /**<a name="line.330"></a>
<span class="sourceLineNo">331</span> * Set the declaring class of the field this instruction operates on.<a name="line.331"></a>
<span class="sourceLineNo">332</span> *<a name="line.332"></a>
<span class="sourceLineNo">333</span> * @return this instruction, for method chaining<a name="line.333"></a>
<span class="sourceLineNo">334</span> */<a name="line.334"></a>
<span class="sourceLineNo">335</span> public FieldInstruction setFieldDeclarer(Class type) {<a name="line.335"></a>
<span class="sourceLineNo">336</span> String name = null;<a name="line.336"></a>
<span class="sourceLineNo">337</span> if (type != null)<a name="line.337"></a>
<span class="sourceLineNo">338</span> name = type.getName();<a name="line.338"></a>
<span class="sourceLineNo">339</span> return setFieldDeclarer(name);<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> * Set the declaring class of the field this instruction operates on.<a name="line.343"></a>
<span class="sourceLineNo">344</span> *<a name="line.344"></a>
<span class="sourceLineNo">345</span> * @return this instruction, for method chaining<a name="line.345"></a>
<span class="sourceLineNo">346</span> */<a name="line.346"></a>
<span class="sourceLineNo">347</span> public FieldInstruction setFieldDeclarer(BCClass type) {<a name="line.347"></a>
<span class="sourceLineNo">348</span> String name = null;<a name="line.348"></a>
<span class="sourceLineNo">349</span> if (type != null)<a name="line.349"></a>
<span class="sourceLineNo">350</span> name = type.getName();<a name="line.350"></a>
<span class="sourceLineNo">351</span> return setFieldDeclarer(name);<a name="line.351"></a>
<span class="sourceLineNo">352</span> }<a name="line.352"></a>
<span class="sourceLineNo">353</span><a name="line.353"></a>
<span class="sourceLineNo">354</span> /**<a name="line.354"></a>
<span class="sourceLineNo">355</span> * FieldInstructions are equal if the field they reference is the same,<a name="line.355"></a>
<span class="sourceLineNo">356</span> * or if the field of either is unset.<a name="line.356"></a>
<span class="sourceLineNo">357</span> */<a name="line.357"></a>
<span class="sourceLineNo">358</span> public boolean equalsInstruction(Instruction other) {<a name="line.358"></a>
<span class="sourceLineNo">359</span> if (other == this)<a name="line.359"></a>
<span class="sourceLineNo">360</span> return true;<a name="line.360"></a>
<span class="sourceLineNo">361</span> if (!(other instanceof FieldInstruction))<a name="line.361"></a>
<span class="sourceLineNo">362</span> return false;<a name="line.362"></a>
<span class="sourceLineNo">363</span> if (!super.equalsInstruction(other))<a name="line.363"></a>
<span class="sourceLineNo">364</span> return false;<a name="line.364"></a>
<span class="sourceLineNo">365</span><a name="line.365"></a>
<span class="sourceLineNo">366</span> FieldInstruction ins = (FieldInstruction) other;<a name="line.366"></a>
<span class="sourceLineNo">367</span> String s1 = getFieldName();<a name="line.367"></a>
<span class="sourceLineNo">368</span> String s2 = ins.getFieldName();<a name="line.368"></a>
<span class="sourceLineNo">369</span> if (!(s1 == null || s2 == null || s1.equals(s2)))<a name="line.369"></a>
<span class="sourceLineNo">370</span> return false;<a name="line.370"></a>
<span class="sourceLineNo">371</span><a name="line.371"></a>
<span class="sourceLineNo">372</span> s1 = getFieldTypeName();<a name="line.372"></a>
<span class="sourceLineNo">373</span> s2 = ins.getFieldTypeName();<a name="line.373"></a>
<span class="sourceLineNo">374</span> if (!(s1 == null || s2 == null || s1.equals(s2)))<a name="line.374"></a>
<span class="sourceLineNo">375</span> return false;<a name="line.375"></a>
<span class="sourceLineNo">376</span><a name="line.376"></a>
<span class="sourceLineNo">377</span> s1 = getFieldDeclarerName();<a name="line.377"></a>
<span class="sourceLineNo">378</span> s2 = ins.getFieldDeclarerName();<a name="line.378"></a>
<span class="sourceLineNo">379</span> if (!(s1 == null || s2 == null || s1.equals(s2)))<a name="line.379"></a>
<span class="sourceLineNo">380</span> return false;<a name="line.380"></a>
<span class="sourceLineNo">381</span> return true;<a name="line.381"></a>
<span class="sourceLineNo">382</span> }<a name="line.382"></a>
<span class="sourceLineNo">383</span><a name="line.383"></a>
<span class="sourceLineNo">384</span> void read(Instruction orig) {<a name="line.384"></a>
<span class="sourceLineNo">385</span> super.read(orig);<a name="line.385"></a>
<span class="sourceLineNo">386</span> FieldInstruction ins = (FieldInstruction) orig;<a name="line.386"></a>
<span class="sourceLineNo">387</span> setField(ins.getFieldDeclarerName(), ins.getFieldName(),<a name="line.387"></a>
<span class="sourceLineNo">388</span> ins.getFieldTypeName());<a name="line.388"></a>
<span class="sourceLineNo">389</span> }<a name="line.389"></a>
<span class="sourceLineNo">390</span><a name="line.390"></a>
<span class="sourceLineNo">391</span> void read(DataInput in) throws IOException {<a name="line.391"></a>
<span class="sourceLineNo">392</span> super.read(in);<a name="line.392"></a>
<span class="sourceLineNo">393</span> setFieldIndex(in.readUnsignedShort());<a name="line.393"></a>
<span class="sourceLineNo">394</span> }<a name="line.394"></a>
<span class="sourceLineNo">395</span><a name="line.395"></a>
<span class="sourceLineNo">396</span> void write(DataOutput out) throws IOException {<a name="line.396"></a>
<span class="sourceLineNo">397</span> super.write(out);<a name="line.397"></a>
<span class="sourceLineNo">398</span> out.writeShort(getFieldIndex());<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>
</pre>
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