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javassist/html/javassist/bytecode/analysis/Analyzer.html

Analyzer.html 31KB
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  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

  2. <!-- NewPage -->

  3. <html lang="en">

  4. <head>

  5. <!-- Generated by javadoc (10.0.1) on Thu Jun 21 01:52:55 JST 2018 -->

  6. <title>Analyzer (Javassist API)</title>

  7. <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

  8. <meta name="date" content="2018-06-21">

  9. <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">

  10. <link rel="stylesheet" type="text/css" href="../../../jquery/jquery-ui.css" title="Style">

  11. <script type="text/javascript" src="../../../script.js"></script>

  12. <script type="text/javascript" src="../../../jquery/jszip/dist/jszip.min.js"></script>

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  14. <!--[if IE]>

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  18. <script type="text/javascript" src="../../../jquery/jquery-ui.js"></script>

  19. </head>

  20. <body>

  21. <script type="text/javascript"><!--

  22.     try {

  23.         if (location.href.indexOf('is-external=true') == -1) {

  24.             parent.document.title="Analyzer (Javassist API)";

  25.         }

  26.     }

  27.     catch(err) {

  28.     }

  29. //-->

  30. var methods = {"i0":10,"i1":10};

  31. var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]};

  32. var altColor = "altColor";

  33. var rowColor = "rowColor";

  34. var tableTab = "tableTab";

  35. var activeTableTab = "activeTableTab";

  36. var pathtoroot = "../../../";loadScripts(document, 'script');</script>

  37. <noscript>

  38. <div>JavaScript is disabled on your browser.</div>

  39. </noscript>

  40. <div class="fixedNav">

  41. <!-- ========= START OF TOP NAVBAR ======= -->

  42. <div class="topNav"><a name="navbar.top">

  43. <!--   -->

  44. </a>

  45. <div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>

  46. <a name="navbar.top.firstrow">

  47. <!--   -->

  48. </a>

  49. <ul class="navList" title="Navigation">

  50. <li><a href="../../../overview-summary.html">Overview</a></li>

  51. <li><a href="package-summary.html">Package</a></li>

  52. <li class="navBarCell1Rev">Class</li>

  53. <li><a href="class-use/Analyzer.html">Use</a></li>

  54. <li><a href="package-tree.html">Tree</a></li>

  55. <li><a href="../../../deprecated-list.html">Deprecated</a></li>

  56. <li><a href="../../../index-all.html">Index</a></li>

  57. </ul>

  58. </div>

  59. <div class="subNav">

  60. <ul class="navList">

  61. <li>Prev&nbsp;Class</li>

  62. <li><a href="../../../javassist/bytecode/analysis/ControlFlow.html" title="class in javassist.bytecode.analysis"><span class="typeNameLink">Next&nbsp;Class</span></a></li>

  63. </ul>

  64. <ul class="navList">

  65. <li><a href="../../../index.html?javassist/bytecode/analysis/Analyzer.html" target="_top">Frames</a></li>

  66. <li><a href="Analyzer.html" target="_top">No&nbsp;Frames</a></li>

  67. </ul>

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  69. <li><a href="../../../allclasses-noframe.html">All&nbsp;Classes</a></li>

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  74. <input type="reset" id="reset" value="reset" disabled="disabled">

  75. </li>

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  77. <div>

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  79.   allClassesLink = document.getElementById("allclasses_navbar_top");

  80.   if(window==top) {

  81.     allClassesLink.style.display = "block";

  82.   }

  83.   else {

  84.     allClassesLink.style.display = "none";

  85.   }

  86.   //-->

  87. </script>

  88. <noscript>

  89. <div>JavaScript is disabled on your browser.</div>

  90. </noscript>

  91. </div>

  92. <div>

  93. <ul class="subNavList">

  94. <li>Summary:&nbsp;</li>

  95. <li>Nested&nbsp;|&nbsp;</li>

  96. <li>Field&nbsp;|&nbsp;</li>

  97. <li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>

  98. <li><a href="#method.summary">Method</a></li>

  99. </ul>

  100. <ul class="subNavList">

  101. <li>Detail:&nbsp;</li>

  102. <li>Field&nbsp;|&nbsp;</li>

  103. <li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>

  104. <li><a href="#method.detail">Method</a></li>

  105. </ul>

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  108. <!--   -->

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  110. <!-- ========= END OF TOP NAVBAR ========= -->

  111. </div>

  112. <div class="navPadding">&nbsp;</div>

  113. <script type="text/javascript"><!--

  114. $('.navPadding').css('padding-top', $('.fixedNav').css("height"));

  115. //-->

  116. </script>

  117. <!-- ======== START OF CLASS DATA ======== -->

  118. <div class="header">

  119. <div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="../../../javassist/bytecode/analysis/package-summary.html">javassist.bytecode.analysis</a></div>

  120. <h2 title="Class Analyzer" class="title">Class Analyzer</h2>

  121. </div>

  122. <div class="contentContainer">

  123. <ul class="inheritance">

  124. <li>java.lang.Object</li>

  125. <li>

  126. <ul class="inheritance">

  127. <li>javassist.bytecode.analysis.Analyzer</li>

  128. </ul>

  129. </li>

  130. </ul>

  131. <div class="description">

  132. <ul class="blockList">

  133. <li class="blockList">

  134. <dl>

  135. <dt>All Implemented Interfaces:</dt>

  136. <dd><code><a href="../../../javassist/bytecode/Opcode.html" title="interface in javassist.bytecode">Opcode</a></code></dd>

  137. </dl>

  138. <hr>

  139. <pre>public class <span class="typeNameLabel">Analyzer</span>

  140. extends java.lang.Object

  141. implements <a href="../../../javassist/bytecode/Opcode.html" title="interface in javassist.bytecode">Opcode</a></pre>

  142. <div class="block">A data-flow analyzer that determines the type state of the stack and local

  143.  variable table at every reachable instruction in a method. During analysis,

  144.  bytecode verification is performed in a similar manner to that described

  145.  in the JVM specification.

  146. 

  147.  <p>Example:</p>

  148. 

  149.  <pre>

  150.  // Method to analyze

  151.  public Object doSomething(int x) {

  152.      Number n;

  153.      if (x &lt; 5) {

  154.         n = new Double(0);

  155.      } else {

  156.         n = new Long(0);

  157.      }

  158. 

  159.      return n;

  160.  }

  161. 

  162.  // Which compiles to:

  163.  // 0:   iload_1

  164.  // 1:   iconst_5

  165.  // 2:   if_icmpge   17

  166.  // 5:   new #18; //class java/lang/Double

  167.  // 8:   dup

  168.  // 9:   dconst_0

  169.  // 10:  invokespecial   #44; //Method java/lang/Double."&lt;init&gt;":(D)V

  170.  // 13:  astore_2

  171.  // 14:  goto    26

  172.  // 17:  new #16; //class java/lang/Long

  173.  // 20:  dup

  174.  // 21:  lconst_1

  175.  // 22:  invokespecial   #47; //Method java/lang/Long."&lt;init&gt;":(J)V

  176.  // 25:  astore_2

  177.  // 26:  aload_2

  178.  // 27:  areturn

  179. 

  180.  public void analyzeIt(CtClass clazz, MethodInfo method) {

  181.      Analyzer analyzer = new Analyzer();

  182.      Frame[] frames = analyzer.analyze(clazz, method);

  183.      frames[0].getLocal(0).getCtClass(); // returns clazz;

  184.      frames[0].getLocal(1).getCtClass(); // returns java.lang.String

  185.      frames[1].peek(); // returns Type.INTEGER

  186.      frames[27].peek().getCtClass(); // returns java.lang.Number

  187.  }

  188.  </pre></div>

  189. <dl>

  190. <dt><span class="simpleTagLabel">Author:</span></dt>

  191. <dd>Jason T. Greene</dd>

  192. <dt><span class="seeLabel">See Also:</span></dt>

  193. <dd><a href="../../../javassist/bytecode/analysis/FramePrinter.html" title="class in javassist.bytecode.analysis"><code>FramePrinter</code></a></dd>

  194. </dl>

  195. </li>

  196. </ul>

  197. </div>

  198. <div class="summary">

  199. <ul class="blockList">

  200. <li class="blockList">

  201. <!-- =========== FIELD SUMMARY =========== -->

  202. <ul class="blockList">

  203. <li class="blockList"><a name="field.summary">

  204. <!--   -->

  205. </a>

  206. <h3>Field Summary</h3>

  207. <ul class="blockList">

  208. <li class="blockList"><a name="fields.inherited.from.class.javassist.bytecode.Opcode">

  209. <!--   -->

  210. </a>

  211. <h3>Fields inherited from interface&nbsp;javassist.bytecode.<a href="../../../javassist/bytecode/Opcode.html" title="interface in javassist.bytecode">Opcode</a></h3>

  212. <code><a href="../../../javassist/bytecode/Opcode.html#AALOAD">AALOAD</a>, <a href="../../../javassist/bytecode/Opcode.html#AASTORE">AASTORE</a>, <a href="../../../javassist/bytecode/Opcode.html#ACONST_NULL">ACONST_NULL</a>, <a href="../../../javassist/bytecode/Opcode.html#ALOAD">ALOAD</a>, <a href="../../../javassist/bytecode/Opcode.html#ALOAD_0">ALOAD_0</a>, <a href="../../../javassist/bytecode/Opcode.html#ALOAD_1">ALOAD_1</a>, <a href="../../../javassist/bytecode/Opcode.html#ALOAD_2">ALOAD_2</a>, <a href="../../../javassist/bytecode/Opcode.html#ALOAD_3">ALOAD_3</a>, <a href="../../../javassist/bytecode/Opcode.html#ANEWARRAY">ANEWARRAY</a>, <a href="../../../javassist/bytecode/Opcode.html#ARETURN">ARETURN</a>, <a href="../../../javassist/bytecode/Opcode.html#ARRAYLENGTH">ARRAYLENGTH</a>, <a href="../../../javassist/bytecode/Opcode.html#ASTORE">ASTORE</a>, <a href="../../../javassist/bytecode/Opcode.html#ASTORE_0">ASTORE_0</a>, <a href="../../../javassist/bytecode/Opcode.html#ASTORE_1">ASTORE_1</a>, <a href="../../../javassist/bytecode/Opcode.html#ASTORE_2">ASTORE_2</a>, <a href="../../../javassist/bytecode/Opcode.html#ASTORE_3">ASTORE_3</a>, <a href="../../../javassist/bytecode/Opcode.html#ATHROW">ATHROW</a>, <a href="../../../javassist/bytecode/Opcode.html#BALOAD">BALOAD</a>, <a href="../../../javassist/bytecode/Opcode.html#BASTORE">BASTORE</a>, <a href="../../../javassist/bytecode/Opcode.html#BIPUSH">BIPUSH</a>, <a href="../../../javassist/bytecode/Opcode.html#CALOAD">CALOAD</a>, <a href="../../../javassist/bytecode/Opcode.html#CASTORE">CASTORE</a>, <a href="../../../javassist/bytecode/Opcode.html#CHECKCAST">CHECKCAST</a>, <a href="../../../javassist/bytecode/Opcode.html#D2F">D2F</a>, <a href="../../../javassist/bytecode/Opcode.html#D2I">D2I</a>, <a href="../../../javassist/bytecode/Opcode.html#D2L">D2L</a>, <a href="../../../javassist/bytecode/Opcode.html#DADD">DADD</a>, <a href="../../../javassist/bytecode/Opcode.html#DALOAD">DALOAD</a>, <a href="../../../javassist/bytecode/Opcode.html#DASTORE">DASTORE</a>, <a href="../../../javassist/bytecode/Opcode.html#DCMPG">DCMPG</a>, <a href="../../../javassist/bytecode/Opcode.html#DCMPL">DCMPL</a>, <a href="../../../javassist/bytecode/Opcode.html#DCONST_0">DCONST_0</a>, <a href="../../../javassist/bytecode/Opcode.html#DCONST_1">DCONST_1</a>, <a href="../../../javassist/bytecode/Opcode.html#DDIV">DDIV</a>, <a href="../../../javassist/bytecode/Opcode.html#DLOAD">DLOAD</a>, <a href="../../../javassist/bytecode/Opcode.html#DLOAD_0">DLOAD_0</a>, <a href="../../../javassist/bytecode/Opcode.html#DLOAD_1">DLOAD_1</a>, <a href="../../../javassist/bytecode/Opcode.html#DLOAD_2">DLOAD_2</a>, <a href="../../../javassist/bytecode/Opcode.html#DLOAD_3">DLOAD_3</a>, <a href="../../../javassist/bytecode/Opcode.html#DMUL">DMUL</a>, <a href="../../../javassist/bytecode/Opcode.html#DNEG">DNEG</a>, <a href="../../../javassist/bytecode/Opcode.html#DREM">DREM</a>, <a href="../../../javassist/bytecode/Opcode.html#DRETURN">DRETURN</a>, <a href="../../../javassist/bytecode/Opcode.html#DSTORE">DSTORE</a>, <a href="../../../javassist/bytecode/Opcode.html#DSTORE_0">DSTORE_0</a>, <a href="../../../javassist/bytecode/Opcode.html#DSTORE_1">DSTORE_1</a>, <a href="../../../javassist/bytecode/Opcode.html#DSTORE_2">DSTORE_2</a>, <a href="../../../javassist/bytecode/Opcode.html#DSTORE_3">DSTORE_3</a>, <a href="../../../javassist/bytecode/Opcode.html#DSUB">DSUB</a>, <a href="../../../javassist/bytecode/Opcode.html#DUP">DUP</a>, <a href="../../../javassist/bytecode/Opcode.html#DUP_X1">DUP_X1</a>, <a href="../../../javassist/bytecode/Opcode.html#DUP_X2">DUP_X2</a>, <a href="../../../javassist/bytecode/Opcode.html#DUP2">DUP2</a>, <a href="../../../javassist/bytecode/Opcode.html#DUP2_X1">DUP2_X1</a>, <a href="../../../javassist/bytecode/Opcode.html#DUP2_X2">DUP2_X2</a>, <a href="../../../javassist/bytecode/Opcode.html#F2D">F2D</a>, <a href="../../../javassist/bytecode/Opcode.html#F2I">F2I</a>, <a href="../../../javassist/bytecode/Opcode.html#F2L">F2L</a>, <a href="../../../javassist/bytecode/Opcode.html#FADD">FADD</a>, <a href="../../../javassist/bytecode/Opcode.html#FALOAD">FALOAD</a>, <a href="../../../javassist/bytecode/Opcode.html#FASTORE">FASTORE</a>, <a href="../../../javassist/bytecode/Opcode.html#FCMPG">FCMPG</a>, <a href="../../../javassist/bytecode/Opcode.html#FCMPL">FCMPL</a>, <a href="../../../javassist/bytecode/Opcode.html#FCONST_0">FCONST_0</a>, <a href="../../../javassist/bytecode/Opcode.html#FCONST_1">FCONST_1</a>, <a href="../../../javassist/bytecode/Opcode.html#FCONST_2">FCONST_2</a>, <a href="../../../javassist/bytecode/Opcode.html#FDIV">FDIV</a>, <a href="../../../javassist/bytecode/Opcode.html#FLOAD">FLOAD</a>, <a href="../../../javassist/bytecode/Opcode.html#FLOAD_0">FLOAD_0</a>, <a href="../../../javassist/bytecode/Opcode.html#FLOAD_1">FLOAD_1</a>, <a href="../../../javassist/bytecode/Opcode.html#FLOAD_2">FLOAD_2</a>, <a href="../../../javassist/bytecode/Opcode.html#FLOAD_3">FLOAD_3</a>, <a href="../../../javassist/bytecode/Opcode.html#FMUL">FMUL</a>, <a href="../../../javassist/bytecode/Opcode.html#FNEG">FNEG</a>, <a href="../../../javassist/bytecode/Opcode.html#FREM">FREM</a>, <a href="../../../javassist/bytecode/Opcode.html#FRETURN">FRETURN</a>, <a href="../../../javassist/bytecode/Opcode.html#FSTORE">FSTORE</a>, <a href="../../../javassist/bytecode/Opcode.html#FSTORE_0">FSTORE_0</a>, <a href="../../../javassist/bytecode/Opcode.html#FSTORE_1">FSTORE_1</a>, <a href="../../../javassist/bytecode/Opcode.html#FSTORE_2">FSTORE_2</a>, <a href="../../../javassist/bytecode/Opcode.html#FSTORE_3">FSTORE_3</a>, <a href="../../../javassist/bytecode/Opcode.html#FSUB">FSUB</a>, <a href="../../../javassist/bytecode/Opcode.html#GETFIELD">GETFIELD</a>, <a href="../../../javassist/bytecode/Opcode.html#GETSTATIC">GETSTATIC</a>, <a href="../../../javassist/bytecode/Opcode.html#GOTO">GOTO</a>, <a href="../../../javassist/bytecode/Opcode.html#GOTO_W">GOTO_W</a>, <a href="../../../javassist/bytecode/Opcode.html#I2B">I2B</a>, <a href="../../../javassist/bytecode/Opcode.html#I2C">I2C</a>, <a href="../../../javassist/bytecode/Opcode.html#I2D">I2D</a>, <a href="../../../javassist/bytecode/Opcode.html#I2F">I2F</a>, <a href="../../../javassist/bytecode/Opcode.html#I2L">I2L</a>, <a href="../../../javassist/bytecode/Opcode.html#I2S">I2S</a>, <a href="../../../javassist/bytecode/Opcode.html#IADD">IADD</a>, <a href="../../../javassist/bytecode/Opcode.html#IALOAD">IALOAD</a>, <a href="../../../javassist/bytecode/Opcode.html#IAND">IAND</a>, <a href="../../../javassist/bytecode/Opcode.html#IASTORE">IASTORE</a>, <a href="../../../javassist/bytecode/Opcode.html#ICONST_0">ICONST_0</a>, <a href="../../../javassist/bytecode/Opcode.html#ICONST_1">ICONST_1</a>, <a href="../../../javassist/bytecode/Opcode.html#ICONST_2">ICONST_2</a>, <a href="../../../javassist/bytecode/Opcode.html#ICONST_3">ICONST_3</a>, <a href="../../../javassist/bytecode/Opcode.html#ICONST_4">ICONST_4</a>, <a href="../../../javassist/bytecode/Opcode.html#ICONST_5">ICONST_5</a>, <a href="../../../javassist/bytecode/Opcode.html#ICONST_M1">ICONST_M1</a>, <a href="../../../javassist/bytecode/Opcode.html#IDIV">IDIV</a>, <a href="../../../javassist/bytecode/Opcode.html#IF_ACMPEQ">IF_ACMPEQ</a>, <a href="../../../javassist/bytecode/Opcode.html#IF_ACMPNE">IF_ACMPNE</a>, <a href="../../../javassist/bytecode/Opcode.html#IF_ICMPEQ">IF_ICMPEQ</a>, <a href="../../../javassist/bytecode/Opcode.html#IF_ICMPGE">IF_ICMPGE</a>, <a href="../../../javassist/bytecode/Opcode.html#IF_ICMPGT">IF_ICMPGT</a>, <a href="../../../javassist/bytecode/Opcode.html#IF_ICMPLE">IF_ICMPLE</a>, <a href="../../../javassist/bytecode/Opcode.html#IF_ICMPLT">IF_ICMPLT</a>, <a href="../../../javassist/bytecode/Opcode.html#IF_ICMPNE">IF_ICMPNE</a>, <a href="../../../javassist/bytecode/Opcode.html#IFEQ">IFEQ</a>, <a href="../../../javassist/bytecode/Opcode.html#IFGE">IFGE</a>, <a href="../../../javassist/bytecode/Opcode.html#IFGT">IFGT</a>, <a href="../../../javassist/bytecode/Opcode.html#IFLE">IFLE</a>, <a href="../../../javassist/bytecode/Opcode.html#IFLT">IFLT</a>, <a href="../../../javassist/bytecode/Opcode.html#IFNE">IFNE</a>, <a href="../../../javassist/bytecode/Opcode.html#IFNONNULL">IFNONNULL</a>, <a href="../../../javassist/bytecode/Opcode.html#IFNULL">IFNULL</a>, <a href="../../../javassist/bytecode/Opcode.html#IINC">IINC</a>, <a href="../../../javassist/bytecode/Opcode.html#ILOAD">ILOAD</a>, <a href="../../../javassist/bytecode/Opcode.html#ILOAD_0">ILOAD_0</a>, <a href="../../../javassist/bytecode/Opcode.html#ILOAD_1">ILOAD_1</a>, <a href="../../../javassist/bytecode/Opcode.html#ILOAD_2">ILOAD_2</a>, <a href="../../../javassist/bytecode/Opcode.html#ILOAD_3">ILOAD_3</a>, <a href="../../../javassist/bytecode/Opcode.html#IMUL">IMUL</a>, <a href="../../../javassist/bytecode/Opcode.html#INEG">INEG</a>, <a href="../../../javassist/bytecode/Opcode.html#INSTANCEOF">INSTANCEOF</a>, <a href="../../../javassist/bytecode/Opcode.html#INVOKEDYNAMIC">INVOKEDYNAMIC</a>, <a href="../../../javassist/bytecode/Opcode.html#INVOKEINTERFACE">INVOKEINTERFACE</a>, <a href="../../../javassist/bytecode/Opcode.html#INVOKESPECIAL">INVOKESPECIAL</a>, <a href="../../../javassist/bytecode/Opcode.html#INVOKESTATIC">INVOKESTATIC</a>, <a href="../../../javassist/bytecode/Opcode.html#INVOKEVIRTUAL">INVOKEVIRTUAL</a>, <a href="../../../javassist/bytecode/Opcode.html#IOR">IOR</a>, <a href="../../../javassist/bytecode/Opcode.html#IREM">IREM</a>, <a href="../../../javassist/bytecode/Opcode.html#IRETURN">IRETURN</a>, <a href="../../../javassist/bytecode/Opcode.html#ISHL">ISHL</a>, <a href="../../../javassist/bytecode/Opcode.html#ISHR">ISHR</a>, <a href="../../../javassist/bytecode/Opcode.html#ISTORE">ISTORE</a>, <a href="../../../javassist/bytecode/Opcode.html#ISTORE_0">ISTORE_0</a>, <a href="../../../javassist/bytecode/Opcode.html#ISTORE_1">ISTORE_1</a>, <a href="../../../javassist/bytecode/Opcode.html#ISTORE_2">ISTORE_2</a>, <a href="../../../javassist/bytecode/Opcode.html#ISTORE_3">ISTORE_3</a>, <a href="../../../javassist/bytecode/Opcode.html#ISUB">ISUB</a>, <a href="../../../javassist/bytecode/Opcode.html#IUSHR">IUSHR</a>, <a href="../../../javassist/bytecode/Opcode.html#IXOR">IXOR</a>, <a href="../../../javassist/bytecode/Opcode.html#JSR">JSR</a>, <a href="../../../javassist/bytecode/Opcode.html#JSR_W">JSR_W</a>, <a href="../../../javassist/bytecode/Opcode.html#L2D">L2D</a>, <a href="../../../javassist/bytecode/Opcode.html#L2F">L2F</a>, <a href="../../../javassist/bytecode/Opcode.html#L2I">L2I</a>, <a 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href="../../../javassist/bytecode/Opcode.html#T_SHORT">T_SHORT</a>, <a href="../../../javassist/bytecode/Opcode.html#TABLESWITCH">TABLESWITCH</a>, <a href="../../../javassist/bytecode/Opcode.html#WIDE">WIDE</a></code></li>

  213. </ul>

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  216. <!-- ======== CONSTRUCTOR SUMMARY ======== -->

  217. <ul class="blockList">

  218. <li class="blockList"><a name="constructor.summary">

  219. <!--   -->

  220. </a>

  221. <h3>Constructor Summary</h3>

  222. <table class="memberSummary" summary="Constructor Summary table, listing constructors, and an explanation">

  223. <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>

  224. <tr>

  225. <th class="colFirst" scope="col">Constructor</th>

  226. <th class="colLast" scope="col">Description</th>

  227. </tr>

  228. <tr class="altColor">

  229. <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="../../../javassist/bytecode/analysis/Analyzer.html#Analyzer--">Analyzer</a></span>()</code></th>

  230. <td class="colLast">&nbsp;</td>

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  235. <!-- ========== METHOD SUMMARY =========== -->

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  238. <!--   -->

  239. </a>

  240. <h3>Method Summary</h3>

  241. <table class="memberSummary" summary="Method Summary table, listing methods, and an explanation">

  242. <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>

  243. <tr>

  244. <th class="colFirst" scope="col">Modifier and Type</th>

  245. <th class="colSecond" scope="col">Method</th>

  246. <th class="colLast" scope="col">Description</th>

  247. </tr>

  248. <tr id="i0" class="altColor">

  249. <td class="colFirst"><code><a href="../../../javassist/bytecode/analysis/Frame.html" title="class in javassist.bytecode.analysis">Frame</a>[]</code></td>

  250. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../javassist/bytecode/analysis/Analyzer.html#analyze-javassist.CtClass-javassist.bytecode.MethodInfo-">analyze</a></span>&#8203;(<a href="../../../javassist/CtClass.html" title="class in javassist">CtClass</a>&nbsp;clazz,

  251.        <a href="../../../javassist/bytecode/MethodInfo.html" title="class in javassist.bytecode">MethodInfo</a>&nbsp;method)</code></th>

  252. <td class="colLast">

  253. <div class="block">Performs data-flow analysis on a method and returns an array, indexed by

  254.  instruction position, containing the starting frame state of all reachable

  255.  instructions.</div>

  256. </td>

  257. </tr>

  258. <tr id="i1" class="rowColor">

  259. <td class="colFirst"><code><a href="../../../javassist/bytecode/analysis/Frame.html" title="class in javassist.bytecode.analysis">Frame</a>[]</code></td>

  260. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../javassist/bytecode/analysis/Analyzer.html#analyze-javassist.CtMethod-">analyze</a></span>&#8203;(<a href="../../../javassist/CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;method)</code></th>

  261. <td class="colLast">

  262. <div class="block">Performs data-flow analysis on a method and returns an array, indexed by

  263.  instruction position, containing the starting frame state of all reachable

  264.  instructions.</div>

  265. </td>

  266. </tr>

  267. </table>

  268. <ul class="blockList">

  269. <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">

  270. <!--   -->

  271. </a>

  272. <h3>Methods inherited from class&nbsp;java.lang.Object</h3>

  273. <code>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>

  274. </ul>

  275. </li>

  276. </ul>

  277. </li>

  278. </ul>

  279. </div>

  280. <div class="details">

  281. <ul class="blockList">

  282. <li class="blockList">

  283. <!-- ========= CONSTRUCTOR DETAIL ======== -->

  284. <ul class="blockList">

  285. <li class="blockList"><a name="constructor.detail">

  286. <!--   -->

  287. </a>

  288. <h3>Constructor Detail</h3>

  289. <a name="Analyzer--">

  290. <!--   -->

  291. </a>

  292. <ul class="blockListLast">

  293. <li class="blockList">

  294. <h4>Analyzer</h4>

  295. <pre>public&nbsp;Analyzer()</pre>

  296. </li>

  297. </ul>

  298. </li>

  299. </ul>

  300. <!-- ============ METHOD DETAIL ========== -->

  301. <ul class="blockList">

  302. <li class="blockList"><a name="method.detail">

  303. <!--   -->

  304. </a>

  305. <h3>Method Detail</h3>

  306. <a name="analyze-javassist.CtClass-javassist.bytecode.MethodInfo-">

  307. <!--   -->

  308. </a>

  309. <ul class="blockList">

  310. <li class="blockList">

  311. <h4>analyze</h4>

  312. <pre>public&nbsp;<a href="../../../javassist/bytecode/analysis/Frame.html" title="class in javassist.bytecode.analysis">Frame</a>[]&nbsp;analyze&#8203;(<a href="../../../javassist/CtClass.html" title="class in javassist">CtClass</a>&nbsp;clazz,

  313.                        <a href="../../../javassist/bytecode/MethodInfo.html" title="class in javassist.bytecode">MethodInfo</a>&nbsp;method)

  314.                 throws <a href="../../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></pre>

  315. <div class="block">Performs data-flow analysis on a method and returns an array, indexed by

  316.  instruction position, containing the starting frame state of all reachable

  317.  instructions. Non-reachable code, and illegal code offsets are represented

  318.  as a null in the frame state array. This can be used to detect dead code.

  319. 

  320.  If the method does not contain code (it is either native or abstract), null

  321.  is returned.</div>

  322. <dl>

  323. <dt><span class="paramLabel">Parameters:</span></dt>

  324. <dd><code>clazz</code> - the declaring class of the method</dd>

  325. <dd><code>method</code> - the method to analyze</dd>

  326. <dt><span class="returnLabel">Returns:</span></dt>

  327. <dd>an array, indexed by instruction position, of the starting frame state,

  328.          or null if this method doesn't have code</dd>

  329. <dt><span class="throwsLabel">Throws:</span></dt>

  330. <dd><code><a href="../../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code> - if the bytecode does not comply with the JVM specification</dd>

  331. </dl>

  332. </li>

  333. </ul>

  334. <a name="analyze-javassist.CtMethod-">

  335. <!--   -->

  336. </a>

  337. <ul class="blockListLast">

  338. <li class="blockList">

  339. <h4>analyze</h4>

  340. <pre>public&nbsp;<a href="../../../javassist/bytecode/analysis/Frame.html" title="class in javassist.bytecode.analysis">Frame</a>[]&nbsp;analyze&#8203;(<a href="../../../javassist/CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;method)

  341.                 throws <a href="../../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></pre>

  342. <div class="block">Performs data-flow analysis on a method and returns an array, indexed by

  343.  instruction position, containing the starting frame state of all reachable

  344.  instructions. Non-reachable code, and illegal code offsets are represented

  345.  as a null in the frame state array. This can be used to detect dead code.

  346. 

  347.  If the method does not contain code (it is either native or abstract), null

  348.  is returned.</div>

  349. <dl>

  350. <dt><span class="paramLabel">Parameters:</span></dt>

  351. <dd><code>method</code> - the method to analyze</dd>

  352. <dt><span class="returnLabel">Returns:</span></dt>

  353. <dd>an array, indexed by instruction position, of the starting frame state,

  354.          or null if this method doesn't have code</dd>

  355. <dt><span class="throwsLabel">Throws:</span></dt>

  356. <dd><code><a href="../../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code> - if the bytecode does not comply with the JVM specification</dd>

  357. </dl>

  358. </li>

  359. </ul>

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  431. <p class="legalCopy"><small><i>Javassist, a Java-bytecode translator toolkit.<br>

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