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https://gitlab.com/essere.lab.public/qualitas.class-corpus
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  1. <html>
  2. <body bgcolor="white">
  3. <pre>
  4. <table bgcolor="#FFFFCC" cellpadding="0" cellspacing="0" border="0" width="100%"><a href="../../../../../apidocs/junit/quilt/cover/generic/MethInstClassLoader.html">View Javadoc</a></table>
  5. <a name="1" href="#1">1</a> <font color="#AA0000"><i>/**<font color="#AA0000"><i>*</font></i></font></i>
  6. <a name="2" href="#2">2</a> <font color="#AA0000"><i> * MethInstClassLoader</font></i>
  7. <a name="3" href="#3">3</a> <font color="#AA0000"><i> *</font></i>
  8. <a name="4" href="#4">4</a> <font color="#AA0000"><i> * This is a superclass for all class loaders at</font></i>
  9. <a name="5" href="#5">5</a> <font color="#AA0000"><i> * the Method Instrumentation level. If you</font></i>
  10. <a name="6" href="#6">6</a> <font color="#AA0000"><i> * want to have more information at any one time</font></i>
  11. <a name="7" href="#7">7</a> <font color="#AA0000"><i> * than just the method, then use ClassLoader.</font></i>
  12. <a name="8" href="#8">8</a> <font color="#AA0000"><i> */</font></i>
  13. <a name="9" href="#9">9</a>
  14. <a name="10" href="#10">10</a> <b>package</b> <a href="../../../../junit/quilt/cover/<b>generic</b>/index.html">junit.quilt.cover.<b>generic</b></a>;
  15. <a name="11" href="#11">11</a>
  16. <a name="12" href="#12">12</a> <b>import</b> <a href="../../../../junit/quilt/exception/index.html">junit.quilt.exception</a>.*;
  17. <a name="13" href="#13">13</a>
  18. <a name="14" href="#14">14</a> <b>import</b> org.apache.commons.graph.*;
  19. <a name="15" href="#15">15</a>
  20. <a name="16" href="#16">16</a> <b>import</b> org.apache.bcel.*;
  21. <a name="17" href="#17">17</a> <b>import</b> org.apache.bcel.<b>generic</b>.*;
  22. <a name="18" href="#18">18</a> <b>import</b> org.apache.bcel.classfile.*;
  23. <a name="19" href="#19">19</a> <b>import</b> java.lang.ClassLoader;
  24. <a name="20" href="#20">20</a>
  25. <a name="21" href="#21">21</a> <b>import</b> java.util.Iterator;
  26. <a name="22" href="#22">22</a> <b>import</b> java.util.Map;
  27. <a name="23" href="#23">23</a> <b>import</b> java.util.HashMap;
  28. <a name="24" href="#24">24</a> <b>import</b> java.util.SortedMap;
  29. <a name="25" href="#25">25</a> <b>import</b> java.util.TreeMap;
  30. <a name="26" href="#26">26</a> <b>import</b> java.util.List;
  31. <a name="27" href="#27">27</a> <b>import</b> java.util.ArrayList;
  32. <a name="28" href="#28">28</a>
  33. <a name="29" href="#29">29</a> <b>import</b> java.net.URL;
  34. <a name="30" href="#30">30</a>
  35. <a name="31" href="#31">31</a> <b>public</b> <b>abstract</b> <b>class</b> <a href="../../../../junit/quilt/cover/generic/MethInstClassLoader.html">MethInstClassLoader</a>
  36. <a name="32" href="#32">32</a> <b>extends</b> <a href="../../../../junit/quilt/cover/generic/QuiltClassLoader.html">QuiltClassLoader</a>
  37. <a name="33" href="#33">33</a> {
  38. <a name="34" href="#34">34</a> <b>private</b> <a href="../../../../junit/quilt/cover/generic/EdgeFactory.html">EdgeFactory</a> edgeFactory = <b>new</b> <a href="../../../../junit/quilt/cover/generic/EdgeFactoryImpl.html">EdgeFactoryImpl</a>();
  39. <a name="35" href="#35">35</a>
  40. <a name="36" href="#36">36</a> <b>public<a href="../../../../</b> <a href="////////////junit/quilt/cover/generic/MethInstClassLoader/html">MethInstClassLoader</a>( String packages[],/index.html"></b> <a href="../../../../junit/quilt/cover/generic/MethInstClassLoader.html">MethInstClassLoader</a>( String packages[],</a>
  41. <a name="37" href="#37">37</a> URL path[]) {
  42. <a name="38" href="#38">38</a> <b>super</b><a href="../../../../( packages, path )/index.html">( packages, path )</a>;
  43. <a name="39" href="#39">39</a> }
  44. <a name="40" href="#40">40</a>
  45. <a name="41" href="#41">41</a> <b>public<a href="../../../../</b> <a href="////////////junit/quilt/cover/generic/MethInstClassLoader/html">MethInstClassLoader</a>( String packages[],/index.html"></b> <a href="../../../../junit/quilt/cover/generic/MethInstClassLoader.html">MethInstClassLoader</a>( String packages[],</a>
  46. <a name="42" href="#42">42</a> URL path[],
  47. <a name="43" href="#43">43</a> ClassLoader parent) {
  48. <a name="44" href="#44">44</a> <b>super</b><a href="../../../../( packages, path, parent )/index.html">( packages, path, parent )</a>;
  49. <a name="45" href="#45">45</a> }
  50. <a name="46" href="#46">46</a>
  51. <a name="47" href="#47">47</a> <font color="#AA0000"><i>/**<font color="#AA0000"><i>*</font></i></font></i>
  52. <a name="48" href="#48">48</a> <font color="#AA0000"><i> * modifyClass</font></i>
  53. <a name="49" href="#49">49</a> <font color="#AA0000"><i> *</font></i>
  54. <a name="50" href="#50">50</a> <font color="#AA0000"><i> * This is a generic version. It basically cleans some</font></i>
  55. <a name="51" href="#51">51</a> <font color="#AA0000"><i> * things in the class (i.e. make it public.) Pass</font></i>
  56. <a name="52" href="#52">52</a> <font color="#AA0000"><i> * each Method and a Graph representing the method</font></i>
  57. <a name="53" href="#53">53</a> <font color="#AA0000"><i> * to the super class.</font></i>
  58. <a name="54" href="#54">54</a> <font color="#AA0000"><i> */</font></i>
  59. <a name="55" href="#55">55</a>
  60. <a name="56" href="#56">56</a> <b>protected</b> JavaClass modifyClass( JavaClass jClass ) {
  61. <a name="57" href="#57">57</a> <b>if</b> (jClass == <b>null</b>) {
  62. <a name="58" href="#58">58</a> System.err.println(<font color="#000099">"Warning: modifyClass called with null JavaClass"</font>);
  63. <a name="59" href="#59">59</a> }
  64. <a name="60" href="#60">60</a>
  65. <a name="61" href="#61">61</a> <b>if</b> (!jClass.isClass()) <b>return</b> jClass;
  66. <a name="62" href="#62">62</a>
  67. <a name="63" href="#63">63</a> <a href="../../../../junit/quilt/cover/generic/InstContext.html">InstContext</a> context = <b>new</b> <a href="../../../../junit/quilt/cover/generic/InstContext.html">InstContext</a>();
  68. <a name="64" href="#64">64</a>
  69. <a name="65" href="#65">65</a> ConstantPoolGen pool = <b>new</b> ConstantPoolGen( jClass.getConstantPool() );
  70. <a name="66" href="#66">66</a>
  71. <a name="67" href="#67">67</a> context.setConstantPoolGen( pool );
  72. <a name="68" href="#68">68</a>
  73. <a name="69" href="#69">69</a> ClassGen clazz = <b>new</b> ClassGen( jClass );
  74. <a name="70" href="#70">70</a> context.setClassGen( clazz );
  75. <a name="71" href="#71">71</a>
  76. <a name="72" href="#72">72</a> <b>int</b> accFlags = clazz.getAccessFlags();
  77. <a name="73" href="#73">73</a>
  78. <a name="74" href="#74">74</a> <b>if</b> ((accFlags & org.apache.bcel.Constants.ACC_PRIVATE) &gt; 0) {
  79. <a name="75" href="#75">75</a> System.err.println(<font color="#000099">"Warning: Changing class "</font> +
  80. <a name="76" href="#76">76</a> clazz.getClassName() +
  81. <a name="77" href="#77">77</a> <font color="#000099">" to public."</font>);
  82. <a name="78" href="#78">78</a> accFlags = (accFlags & (~org.apache.bcel.Constants.ACC_PRIVATE))
  83. <a name="79" href="#79">79</a> | org.apache.bcel.Constants.ACC_PUBLIC;
  84. <a name="80" href="#80">80</a> clazz.setAccessFlags( accFlags );
  85. <a name="81" href="#81">81</a> }
  86. <a name="82" href="#82">82</a>
  87. <a name="83" href="#83">83</a> <b>if</b> ((accFlags & org.apache.bcel.Constants.ACC_PROTECTED) &gt; 0) {
  88. <a name="84" href="#84">84</a> System.err.println(<font color="#000099">"Warning: Changing class "</font> +
  89. <a name="85" href="#85">85</a> clazz.getClassName() +
  90. <a name="86" href="#86">86</a> <font color="#000099">" to public."</font>);
  91. <a name="87" href="#87">87</a> accFlags = (accFlags & (~org.apache.bcel.Constants.ACC_PROTECTED))
  92. <a name="88" href="#88">88</a> | org.apache.bcel.Constants.ACC_PUBLIC;
  93. <a name="89" href="#89">89</a> clazz.setAccessFlags( accFlags );
  94. <a name="90" href="#90">90</a> }
  95. <a name="91" href="#91">91</a>
  96. <a name="92" href="#92">92</a> <b>if</b> ((accFlags & org.apache.bcel.Constants.ACC_PUBLIC) == 0) {
  97. <a name="93" href="#93">93</a> System.err.println(<font color="#000099">"Warning: Changing class "</font> +
  98. <a name="94" href="#94">94</a> clazz.getClassName() +
  99. <a name="95" href="#95">95</a> <font color="#000099">" to public."</font>);
  100. <a name="96" href="#96">96</a> accFlags = accFlags | org.apache.bcel.Constants.ACC_PUBLIC;
  101. <a name="97" href="#97">97</a> clazz.setAccessFlags( accFlags );
  102. <a name="98" href="#98">98</a> }
  103. <a name="99" href="#99">99</a>
  104. <a name="100" href="#100">100</a> <b>if</b> (!clazz.isPublic()) {
  105. <a name="101" href="#101">101</a> System.err.println(<font color="#000099">"Warning: "</font> + clazz.getClassName() +
  106. <a name="102" href="#102">102</a> <font color="#000099">" is not public."</font>);
  107. <a name="103" href="#103">103</a> }
  108. <a name="104" href="#104">104</a>
  109. <a name="105" href="#105">105</a> <font color="#329900"><i>/*</font></i>
  110. <a name="106" href="#106">106</a> <font color="#329900"><i> * Allow the subclass to modify the pool if they want.</font></i>
  111. <a name="107" href="#107">107</a> <font color="#329900"><i> */</font></i>
  112. <a name="108" href="#108">108</a> instrumentPool( context );
  113. <a name="109" href="#109">109</a>
  114. <a name="110" href="#110">110</a> Method [] methods = clazz.getMethods();
  115. <a name="111" href="#111">111</a>
  116. <a name="112" href="#112">112</a> <b>for</b> (<b>int</b> i = 0; i &lt; methods.length; i++) {
  117. <a name="113" href="#113">113</a> <b>if</b> (isMethodOK( methods[i] )) {
  118. <a name="114" href="#114">114</a> MethodGen method = <b>new</b> MethodGen( methods[i],
  119. <a name="115" href="#115">115</a> clazz.getClassName(),
  120. <a name="116" href="#116">116</a> pool );
  121. <a name="117" href="#117">117</a> <b>try</b> {
  122. <a name="118" href="#118">118</a> ControlFlowGraph cfg =
  123. <a name="119" href="#119">119</a> <b>new</b> ControlFlowGraph( context, method );
  124. <a name="120" href="#120">120</a> cfg.initialize( getEdgeFactory() );
  125. <a name="121" href="#121">121</a> instrumentMethod( context, cfg );
  126. <a name="122" href="#122">122</a> clazz.replaceMethod( methods[i],
  127. <a name="123" href="#123">123</a> cfg.getMethod() );
  128. <a name="124" href="#124">124</a> } <b>catch</b> (QuiltException e) {
  129. <a name="125" href="#125">125</a> System.err.println(<font color="#000099">"Warning: Unable to instrument method "</font> +
  130. <a name="126" href="#126">126</a> method.getName() + <font color="#000099">" / "</font> + e.toString() );
  131. <a name="127" href="#127">127</a> }
  132. <a name="128" href="#128">128</a> }
  133. <a name="129" href="#129">129</a> }
  134. <a name="130" href="#130">130</a>
  135. <a name="131" href="#131">131</a> clazz.setConstantPool( pool );
  136. <a name="132" href="#132">132</a> JavaClass RC = clazz.getJavaClass();
  137. <a name="133" href="#133">133</a>
  138. <a name="134" href="#134">134</a> <b>if</b> (!RC.isPublic())
  139. <a name="135" href="#135">135</a> System.err.println(<font color="#000099">"Warning: Class isn't public."</font>);
  140. <a name="136" href="#136">136</a> <b>return</b> RC;
  141. <a name="137" href="#137">137</a> }
  142. <a name="138" href="#138">138</a>
  143. <a name="139" href="#139">139</a> <font color="#AA0000"><i>/**<font color="#AA0000"><i>*</font></i></font></i>
  144. <a name="140" href="#140">140</a> <font color="#AA0000"><i> * Override this abstract method to instrument a method.</font></i>
  145. <a name="141" href="#141">141</a> <font color="#AA0000"><i> */</font></i>
  146. <a name="142" href="#142">142</a> <b>public</b> <b>abstract</b> <b>void</b> instrumentMethod( InstContext context,
  147. <a name="143" href="#143">143</a> ControlFlowGraph graph )
  148. <a name="144" href="#144">144</a> throws QuiltException;
  149. <a name="145" href="#145">145</a>
  150. <a name="146" href="#146">146</a> <font color="#AA0000"><i>/**<font color="#AA0000"><i>*</font></i></font></i>
  151. <a name="147" href="#147">147</a> <font color="#AA0000"><i> * Call this to add a Vertex in place of an edge.</font></i>
  152. <a name="148" href="#148">148</a> <font color="#AA0000"><i> */</font></i>
  153. <a name="149" href="#149">149</a> <b>public</b> <b>void</b> instrumentEdge( InstContext context,
  154. <a name="150" href="#150">150</a> ControlFlowGraph graph,
  155. <a name="151" href="#151">151</a> FlowControlEdge edge,
  156. <a name="152" href="#152">152</a> BlockVertex vertex ) {
  157. <a name="153" href="#153">153</a>
  158. <a name="154" href="#154">154</a> <b>if</b> (edge.getTarget() != <b>null</b>) {
  159. <a name="155" href="#155">155</a>
  160. <a name="156" href="#156">156</a> <font color="#329900"><i>//</font></i>
  161. <a name="157" href="#157">157</a> <font color="#329900"><i>// *-------*</font></i>
  162. <a name="158" href="#158">158</a> <font color="#329900"><i>//</font></i>
  163. <a name="159" href="#159">159</a> graph.addVertex( vertex );
  164. <a name="160" href="#160">160</a>
  165. <a name="161" href="#161">161</a> <font color="#329900"><i>//</font></i>
  166. <a name="162" href="#162">162</a> <font color="#329900"><i>// *</font></i>
  167. <a name="163" href="#163">163</a> <font color="#329900"><i>//</font></i>
  168. <a name="164" href="#164">164</a> <font color="#329900"><i>// *-------*</font></i>
  169. <a name="165" href="#165">165</a> <font color="#329900"><i>//</font></i>
  170. <a name="166" href="#166">166</a>
  171. <a name="167" href="#167">167</a> FlowControlEdge outEdge =
  172. <a name="168" href="#168">168</a> getEdgeFactory().makeNormalEdge( vertex, edge.getTarget() );
  173. <a name="169" href="#169">169</a> graph.addEdge( outEdge );
  174. <a name="170" href="#170">170</a>
  175. <a name="171" href="#171">171</a> <font color="#329900"><i>//</font></i>
  176. <a name="172" href="#172">172</a> <font color="#329900"><i>// *---+</font></i>
  177. <a name="173" href="#173">173</a> <font color="#329900"><i>// |</font></i>
  178. <a name="174" href="#174">174</a> <font color="#329900"><i>// *-------*</font></i>
  179. <a name="175" href="#175">175</a> <font color="#329900"><i>//</font></i>
  180. <a name="176" href="#176">176</a>
  181. <a name="177" href="#177">177</a> edge.setTarget( vertex );
  182. <a name="178" href="#178">178</a> graph.updateEdge( edge );
  183. <a name="179" href="#179">179</a>
  184. <a name="180" href="#180">180</a> <font color="#329900"><i>//</font></i>
  185. <a name="181" href="#181">181</a> <font color="#329900"><i>// +---*---+</font></i>
  186. <a name="182" href="#182">182</a> <font color="#329900"><i>// | |</font></i>
  187. <a name="183" href="#183">183</a> <font color="#329900"><i>// * *</font></i>
  188. <a name="184" href="#184">184</a> <font color="#329900"><i>//</font></i>
  189. <a name="185" href="#185">185</a> }
  190. <a name="186" href="#186">186</a> }
  191. <a name="187" href="#187">187</a>
  192. <a name="188" href="#188">188</a> <font color="#AA0000"><i>/**<font color="#AA0000"><i>*</font></i></font></i>
  193. <a name="189" href="#189">189</a> <font color="#AA0000"><i> * instrumentPool</font></i>
  194. <a name="190" href="#190">190</a> <font color="#AA0000"><i> *</font></i>
  195. <a name="191" href="#191">191</a> <font color="#AA0000"><i> * Gives the subclass a chance to add things into the Constant Pool.</font></i>
  196. <a name="192" href="#192">192</a> <font color="#AA0000"><i> * If you need to pass information from here to the instrumentMethod</font></i>
  197. <a name="193" href="#193">193</a> <font color="#AA0000"><i> * make sure you drop it in the context.</font></i>
  198. <a name="194" href="#194">194</a> <font color="#AA0000"><i> */</font></i>
  199. <a name="195" href="#195">195</a> <b>public</b> <b>void</b> instrumentPool( InstContext context )
  200. <a name="196" href="#196">196</a> {}
  201. <a name="197" href="#197">197</a>
  202. <a name="198" href="#198">198</a> <font color="#AA0000"><i>/**<font color="#AA0000"><i>*</font></i></font></i>
  203. <a name="199" href="#199">199</a> <font color="#AA0000"><i> * getEdgeFactory() </font></i>
  204. <a name="200" href="#200">200</a> <font color="#AA0000"><i> *</font></i>
  205. <a name="201" href="#201">201</a> <font color="#AA0000"><i> * Override this method to provide your own edges. . .</font></i>
  206. <a name="202" href="#202">202</a> <font color="#AA0000"><i> */</font></i>
  207. <a name="203" href="#203">203</a> <b>public</b> <a href="../../../../junit/quilt/cover/generic/EdgeFactory.html">EdgeFactory</a> getEdgeFactory() {
  208. <a name="204" href="#204">204</a> <b>return</b> edgeFactory;
  209. <a name="205" href="#205">205</a> }
  210. <a name="206" href="#206">206</a>
  211. <a name="207" href="#207">207</a> <b>private</b> <b>boolean</b> isMethodOK( Method method ) {
  212. <a name="208" href="#208">208</a> <font color="#329900"><i>// Don't instrument the Class Initializer. Its bad luck.</font></i>
  213. <a name="209" href="#209">209</a> <b>if</b> (method.getName().equals(<font color="#000099">"&lt;clinit&gt;"</font>)) <b>return</b> false;
  214. <a name="210" href="#210">210</a>
  215. <a name="211" href="#211">211</a> <font color="#329900"><i>// Don't instrument any abstract methods.</font></i>
  216. <a name="212" href="#212">212</a> <b>if</b> (method.getCode() == <b>null</b>) <b>return</b> false;
  217. <a name="213" href="#213">213</a>
  218. <a name="214" href="#214">214</a> <b>return</b> <b>true</b>;
  219. <a name="215" href="#215">215</a> }
  220. <a name="216" href="#216">216</a>
  221. <a name="217" href="#217">217</a>
  222. <a name="218" href="#218">218</a> }
  223. <a name="219" href="#219">219</a>
  224. <a name="220" href="#220">220</a>
  225. <a name="221" href="#221">221</a>
  226. <a name="222" href="#222">222</a>
  227. <a name="223" href="#223">223</a>
  228. </pre>
  229. <hr><center>This page was automatically generated by <a href="http://jakarta.apache.org/turbine/maven">Maven</a></center></body>
  230. </html>