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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>package org.apache.felix.ipojo.manipulation;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.objectweb.asm.*;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.objectweb.asm.commons.GeneratorAdapter;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.objectweb.asm.tree.LocalVariableNode;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span><a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Iterator;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.Map;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.Set;<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> * Adapts a inner class in order to allow accessing outer class fields.<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * A manipulated inner class has access to the managed field of the outer class.<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> *<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * Only non-static inner classes are manipulated, others are not.<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> *<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a><a name="line.37"></a> |
| <span class="sourceLineNo">038</span> */<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>public class InnerClassAdapter extends ClassAdapter implements Opcodes {<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> /**<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * The manipulator having manipulated the outer class.<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * We add method descriptions to this manipulator.<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> */<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> private final Manipulator m_manipulator;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> /**<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * The name of the inner class. This name is only define in the outer class.<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> */<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> private final String m_name;<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 ismple name of the class.<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> */<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> private final String m_simpleName;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> /**<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * Implementation class name.<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> */<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private String m_outer;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> /**<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * List of fields of the implementation class.<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> */<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private Set<String> m_fields;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> /**<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * Creates the inner class adapter.<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> *<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * @param name the inner class name (internal name)<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * @param arg0 parent class visitor<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * @param outerClassName outer class (implementation class)<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * @param manipulator the manipulator having manipulated the outer class.<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> */<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> public InnerClassAdapter(String name, ClassVisitor arg0, String outerClassName,<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> Manipulator manipulator) {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> super(arg0);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> m_name = name;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> m_simpleName = m_name.substring(m_name.indexOf("$") + 1);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> m_outer = outerClassName;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> m_manipulator = manipulator;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> m_fields = manipulator.getFields().keySet();<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> @Override<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> // If version = 1.7, use 1.6 if the ipojo.downgrade.classes system property is either<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> // not set of set to true.<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> int theVersion = version;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> String downgrade = System.getProperty("ipojo.downgrade.classes");<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> if ((downgrade == null || "true".equals(downgrade)) && version == Opcodes.V1_7) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> theVersion = Opcodes.V1_6;<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> super.visit(theVersion, access, name, signature, superName, interfaces);<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> }<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><a name="line.95"></a> |
| <span class="sourceLineNo">096</span> /**<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> * Visits a method.<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> * This methods create a code visitor manipulating outer class field accesses.<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> *<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * @param access method visibility<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * @param name method name<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * @param desc method descriptor<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> * @param signature method signature<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> * @param exceptions list of exceptions thrown by the method<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * @return a code adapter manipulating field accesses<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * @see org.objectweb.asm.ClassAdapter#visitMethod(int, java.lang.String, java.lang.String, java.lang.String, java.lang.String[])<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> */<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> // Do nothing on static methods, should not happen in non-static inner classes.<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> if ((access & ACC_STATIC) == ACC_STATIC) {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> return super.visitMethod(access, name, desc, signature, exceptions);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> }<a name="line.112"></a> |
| <span class="sourceLineNo">113</span><a name="line.113"></a> |
| <span class="sourceLineNo">114</span> // Do nothing on native methods<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> if ((access & ACC_NATIVE) == ACC_NATIVE) {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> return super.visitMethod(access, name, desc, signature, exceptions);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span><a name="line.118"></a> |
| <span class="sourceLineNo">119</span><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> // Do not re-manipulate.<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> if (! m_manipulator.isAlreadyManipulated()) {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> if (name.equals("<init>")) {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> // We change the field access from the constructor, but we don't generate the wrapper.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> MethodVisitor mv = super.visitMethod(access, name, desc, signature, exceptions);<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> return new MethodCodeAdapter(mv, m_outer, access, name, desc, m_fields);<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> }<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> // For all non constructor methods<a name="line.129"></a> |
| <span class="sourceLineNo">130</span><a name="line.130"></a> |
| <span class="sourceLineNo">131</span> MethodDescriptor md = getMethodDescriptor(name, desc);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> if (md == null) {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> generateMethodWrapper(access, name, desc, signature, exceptions, null, null,<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> null);<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> } else {<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> generateMethodWrapper(access, name, desc, signature, exceptions,<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> md.getArgumentLocalVariables(),<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> md.getAnnotations(), md.getParameterAnnotations());<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> }<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span> // The new name is the method name prefixed by the PREFIX.<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> MethodVisitor mv = super.visitMethod(access, MethodCreator.PREFIX + name, desc, signature,<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> exceptions);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> return new MethodCodeAdapter(mv, m_outer, access, MethodCreator.PREFIX + name, desc, m_fields);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> } else {<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> return super.visitMethod(access, name, desc, signature, exceptions);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> }<a name="line.148"></a> |
| <span class="sourceLineNo">149</span><a name="line.149"></a> |
| <span class="sourceLineNo">150</span> private String getMethodFlagName(String name, String desc) {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> return MethodCreator.METHOD_FLAG_PREFIX + getMethodId(name, desc);<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> private String getMethodId(String name, String desc) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> StringBuilder id = new StringBuilder(m_simpleName);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> id.append("___"); // Separator<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> id.append(name);<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> Type[] args = Type.getArgumentTypes(desc);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> for (Type type : args) {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> String arg = type.getClassName();<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> if (arg.endsWith("[]")) {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> // We have to replace all []<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> String acc = "";<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> while (arg.endsWith("[]")) {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> arg = arg.substring(0, arg.length() - 2);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> acc += "__";<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> }<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> id.append("$").append(arg.replace('.', '_')).append(acc);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> } else {<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> id.append("$").append(arg.replace('.', '_'));<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> }<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> }<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> return id.toString();<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> }<a name="line.175"></a> |
| <span class="sourceLineNo">176</span><a name="line.176"></a> |
| <span class="sourceLineNo">177</span> /**<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> * Generate the method header of a POJO method.<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> * This method header encapsulate the POJO method call to<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> * signal entry exit and error to the container.<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> *<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> * The instance manager and flag are accessed using method calls.<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> * @param access : access flag.<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> * @param name : method name.<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> * @param desc : method descriptor.<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> * @param signature : method signature.<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> * @param exceptions : declared exceptions.<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> * @param localVariables : the local variable nodes.<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> * @param annotations : the annotations to move to this method.<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> * @param paramAnnotations : the parameter annotations to move to this method.<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> */<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> private void generateMethodWrapper(int access, String name, String desc, String signature, String[] exceptions,<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> List<LocalVariableNode> localVariables, List<ClassChecker.AnnotationDescriptor> annotations,<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> Map<Integer, List<ClassChecker.AnnotationDescriptor>> paramAnnotations) {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> GeneratorAdapter mv = new GeneratorAdapter(cv.visitMethod(access, name, desc, signature, exceptions), access, name, desc);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> // If we have variables, we wraps the code within labels. The `lifetime` of the variables are bound to those<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> // two variables.<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> boolean hasArgumentLabels = localVariables != null && !localVariables.isEmpty();<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> Label start = null;<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> if (hasArgumentLabels) {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> start = new Label();<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> mv.visitLabel(start);<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<a name="line.204"></a> |
| <span class="sourceLineNo">205</span><a name="line.205"></a> |
| <span class="sourceLineNo">206</span> mv.visitCode();<a name="line.206"></a> |
| <span class="sourceLineNo">207</span><a name="line.207"></a> |
| <span class="sourceLineNo">208</span> Type returnType = Type.getReturnType(desc);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span><a name="line.209"></a> |
| <span class="sourceLineNo">210</span> // Compute result and exception stack location<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> int result = -1;<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> int exception = -1;<a name="line.212"></a> |
| <span class="sourceLineNo">213</span><a name="line.213"></a> |
| <span class="sourceLineNo">214</span> //int arguments = mv.newLocal(Type.getType((new Object[0]).getClass()));<a name="line.214"></a> |
| <span class="sourceLineNo">215</span><a name="line.215"></a> |
| <span class="sourceLineNo">216</span> if (returnType.getSort() != Type.VOID) {<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> // The method returns something<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> result = mv.newLocal(returnType);<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> exception = mv.newLocal(Type.getType(Throwable.class));<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> } else {<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> exception = mv.newLocal(Type.getType(Throwable.class));<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> }<a name="line.222"></a> |
| <span class="sourceLineNo">223</span><a name="line.223"></a> |
| <span class="sourceLineNo">224</span> Label l0 = new Label();<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> Label l1 = new Label();<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> Label l2 = new Label();<a name="line.226"></a> |
| <span class="sourceLineNo">227</span><a name="line.227"></a> |
| <span class="sourceLineNo">228</span> mv.visitTryCatchBlock(l0, l1, l2, "java/lang/Throwable");<a name="line.228"></a> |
| <span class="sourceLineNo">229</span><a name="line.229"></a> |
| <span class="sourceLineNo">230</span> // Access the flag from the outer class<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> mv.visitVarInsn(ALOAD, 0);<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> mv.visitFieldInsn(GETFIELD, m_name, "this$0", "L" + m_outer + ";");<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> mv.visitFieldInsn(GETFIELD, m_outer, getMethodFlagName(name, desc), "Z");<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> mv.visitJumpInsn(IFNE, l0);<a name="line.234"></a> |
| <span class="sourceLineNo">235</span><a name="line.235"></a> |
| <span class="sourceLineNo">236</span> mv.visitVarInsn(ALOAD, 0);<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> mv.loadArgs();<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> mv.visitMethodInsn(INVOKESPECIAL, m_name, MethodCreator.PREFIX + name, desc);<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> mv.visitInsn(returnType.getOpcode(IRETURN));<a name="line.239"></a> |
| <span class="sourceLineNo">240</span><a name="line.240"></a> |
| <span class="sourceLineNo">241</span> // end of the non intercepted method invocation.<a name="line.241"></a> |
| <span class="sourceLineNo">242</span><a name="line.242"></a> |
| <span class="sourceLineNo">243</span> mv.visitLabel(l0);<a name="line.243"></a> |
| <span class="sourceLineNo">244</span><a name="line.244"></a> |
| <span class="sourceLineNo">245</span> mv.visitVarInsn(ALOAD, 0);<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> mv.visitFieldInsn(GETFIELD, m_name, "this$0", "L" + m_outer + ";");<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> mv.visitFieldInsn(GETFIELD, m_outer, MethodCreator.IM_FIELD, "Lorg/apache/felix/ipojo/InstanceManager;");<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> mv.visitVarInsn(ALOAD, 0);<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> mv.visitLdcInsn(getMethodId(name, desc));<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> mv.loadArgArray();<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> mv.visitMethodInsn(INVOKEVIRTUAL, "org/apache/felix/ipojo/InstanceManager", MethodCreator.ENTRY,<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> "(Ljava/lang/Object;Ljava/lang/String;[Ljava/lang/Object;)V");<a name="line.252"></a> |
| <span class="sourceLineNo">253</span><a name="line.253"></a> |
| <span class="sourceLineNo">254</span> mv.visitVarInsn(ALOAD, 0);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span><a name="line.255"></a> |
| <span class="sourceLineNo">256</span> // Do not allow argument modification : just reload arguments.<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> mv.loadArgs();<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> mv.visitMethodInsn(INVOKESPECIAL, m_name, MethodCreator.PREFIX + name, desc);<a name="line.258"></a> |
| <span class="sourceLineNo">259</span><a name="line.259"></a> |
| <span class="sourceLineNo">260</span> if (returnType.getSort() != Type.VOID) {<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> mv.visitVarInsn(returnType.getOpcode(ISTORE), result);<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> }<a name="line.262"></a> |
| <span class="sourceLineNo">263</span><a name="line.263"></a> |
| <span class="sourceLineNo">264</span> mv.visitVarInsn(ALOAD, 0);<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> mv.visitFieldInsn(GETFIELD, m_name, "this$0", "L" + m_outer + ";");<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> mv.visitFieldInsn(GETFIELD, m_outer, MethodCreator.IM_FIELD, "Lorg/apache/felix/ipojo/InstanceManager;");<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> mv.visitVarInsn(ALOAD, 0);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> mv.visitLdcInsn(getMethodId(name, desc));<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> if (returnType.getSort() != Type.VOID) {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> mv.visitVarInsn(returnType.getOpcode(ILOAD), result);<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> mv.box(returnType);<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> } else {<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> mv.visitInsn(ACONST_NULL);<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> }<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> mv.visitMethodInsn(INVOKEVIRTUAL, "org/apache/felix/ipojo/InstanceManager", MethodCreator.EXIT, "(Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)V");<a name="line.275"></a> |
| <span class="sourceLineNo">276</span><a name="line.276"></a> |
| <span class="sourceLineNo">277</span> mv.visitLabel(l1);<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> Label l7 = new Label();<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> mv.visitJumpInsn(GOTO, l7);<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> mv.visitLabel(l2);<a name="line.280"></a> |
| <span class="sourceLineNo">281</span><a name="line.281"></a> |
| <span class="sourceLineNo">282</span> mv.visitVarInsn(ASTORE, exception);<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> mv.visitVarInsn(ALOAD, 0);<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> mv.visitFieldInsn(GETFIELD, m_name, "this$0", "L" + m_outer + ";");<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> mv.visitFieldInsn(GETFIELD, m_outer, MethodCreator.IM_FIELD, "Lorg/apache/felix/ipojo/InstanceManager;");<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> mv.visitVarInsn(ALOAD, 0);<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> mv.visitLdcInsn(getMethodId(name, desc));<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> mv.visitVarInsn(ALOAD, exception);<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> mv.visitMethodInsn(INVOKEVIRTUAL, "org/apache/felix/ipojo/InstanceManager", MethodCreator.ERROR, "(Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Throwable;)V");<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> mv.visitVarInsn(ALOAD, exception);<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> mv.visitInsn(ATHROW);<a name="line.291"></a> |
| <span class="sourceLineNo">292</span><a name="line.292"></a> |
| <span class="sourceLineNo">293</span> mv.visitLabel(l7);<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> if (returnType.getSort() != Type.VOID) {<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> mv.visitVarInsn(returnType.getOpcode(ILOAD), result);<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> }<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> mv.visitInsn(returnType.getOpcode(IRETURN));<a name="line.297"></a> |
| <span class="sourceLineNo">298</span><a name="line.298"></a> |
| <span class="sourceLineNo">299</span> // If we had arguments, we mark the end of the lifetime.<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> Label end = null;<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> if (hasArgumentLabels) {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> end = new Label();<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> mv.visitLabel(end);<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> }<a name="line.304"></a> |
| <span class="sourceLineNo">305</span><a name="line.305"></a> |
| <span class="sourceLineNo">306</span> // Move annotations<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> if (annotations != null) {<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> for (int i = 0; i < annotations.size(); i++) {<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> ClassChecker.AnnotationDescriptor ad = annotations.get(i);<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> ad.visitAnnotation(mv);<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> }<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> }<a name="line.312"></a> |
| <span class="sourceLineNo">313</span><a name="line.313"></a> |
| <span class="sourceLineNo">314</span> // Move parameter annotations<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> if (paramAnnotations != null && ! paramAnnotations.isEmpty()) {<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> Iterator<Integer> ids = paramAnnotations.keySet().iterator();<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> while(ids.hasNext()) {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> Integer id = ids.next();<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> List<ClassChecker.AnnotationDescriptor> ads = paramAnnotations.get(id);<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> for (int i = 0; i < ads.size(); i++) {<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> ClassChecker.AnnotationDescriptor ad = ads.get(i);<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> ad.visitParameterAnnotation(id, mv);<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> }<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> }<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> }<a name="line.325"></a> |
| <span class="sourceLineNo">326</span><a name="line.326"></a> |
| <span class="sourceLineNo">327</span> // Write the arguments name.<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> if (hasArgumentLabels) {<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> for (LocalVariableNode var : localVariables) {<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> mv.visitLocalVariable(var.name, var.desc, var.signature, start, end, var.index);<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> mv.visitMaxs(0, 0);<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> mv.visitEnd();<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> }<a name="line.336"></a> |
| <span class="sourceLineNo">337</span><a name="line.337"></a> |
| <span class="sourceLineNo">338</span> /**<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> * Gets the method descriptor for the specified name and descriptor.<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> * The method descriptor is looked inside the<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> * {@link MethodCreator#m_visitedMethods}<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> * @param name the name of the method<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> * @param desc the descriptor of the method<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> * @return the method descriptor or <code>null</code> if not found.<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> */<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> private MethodDescriptor getMethodDescriptor(String name, String desc) {<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> for (MethodDescriptor md : m_manipulator.getMethodsFromInnerClass(m_name)) {<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> if (md.getName().equals(name) && md.getDescriptor().equals(desc)) {<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> return md;<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> return null;<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>}<a name="line.355"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
