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javassist/html/javassist/bytecode/CodeIterator.html

CodeIterator.html 69KB
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  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

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

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

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

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  30. var methods = {"i0":10,"i1":10,"i2":10,"i3":10,"i4":10,"i5":10,"i6":10,"i7":10,"i8":10,"i9":10,"i10":10,"i11":10,"i12":10,"i13":10,"i14":10,"i15":10,"i16":10,"i17":10,"i18":10,"i19":10,"i20":10,"i21":10,"i22":10,"i23":10,"i24":10,"i25":10,"i26":10,"i27":10,"i28":10,"i29":10,"i30":10,"i31":10,"i32":10,"i33":10,"i34":10,"i35":10};

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  93. <ul class="subNavList">

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

  120. <h2 title="Class CodeIterator" class="title">Class CodeIterator</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.CodeIterator</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">CodeIterator</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">An iterator for editing a code attribute.

  143. 

  144.  <p>To directly read or edit a bytecode sequence, call <a href="../../javassist/bytecode/CodeIterator.html#byteAt-int-"><code>byteAt(int)</code></a>, <a href="../../javassist/bytecode/CodeIterator.html#s16bitAt-int-"><code>s16bitAt(int)</code></a>,

  145.  <a href="../../javassist/bytecode/CodeIterator.html#writeByte-int-int-"><code>writeByte(int, int)</code></a>, <a href="../../javassist/bytecode/CodeIterator.html#write16bit-int-int-"><code>write16bit(int, int)</code></a>, and other methods.

  146.  For example, if <code>method</code> refers to a <code>CtMethod</code> object,

  147.  the following code substitutes the <code>NOP</code> instruction for the first

  148.  instruction of the method:  

  149. 

  150.  <pre>

  151.  CodeAttribute ca = method.getMethodInfo().getCodeAttribute();

  152.  CodeIterator ci = ca.iterator();

  153.  ci.writeByte(Opcode.NOP, 0);</pre>

  154. 

  155.  <p>To visit every instruction, call <a href="../../javassist/bytecode/CodeIterator.html#next--"><code>next()</code></a> on a <code>CodeIterator</code>.

  156.  It returns the index of the first byte of the next instruction.

  157. 

  158.  <p>If there are multiple <code>CodeIterator</code>s referring to the

  159.  same <code>Code_attribute</code>, then inserting a gap by one

  160.  <code>CodeIterator</code> will break the other

  161.  <code>CodeIterator</code>.

  162. 

  163.  <p>This iterator does not provide <code>remove()</code>.

  164.  If a piece of code in a <code>Code_attribute</code> is unnecessary,

  165.  it should be overwritten with <code>NOP</code>.</div>

  166. <dl>

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

  168. <dd><a href="../../javassist/bytecode/CodeAttribute.html#iterator--"><code>CodeAttribute.iterator()</code></a></dd>

  169. </dl>

  170. </li>

  171. </ul>

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  181. <h3>Nested Class Summary</h3>

  182. <table class="memberSummary" summary="Nested Class Summary table, listing nested classes, and an explanation">

  183. <caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>

  184. <tr>

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

  186. <th class="colSecond" scope="col">Class</th>

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

  188. </tr>

  189. <tr class="altColor">

  190. <td class="colFirst"><code>static class&nbsp;</code></td>

  191. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.Gap.html" title="class in javassist.bytecode">CodeIterator.Gap</a></span></code></th>

  192. <td class="colLast">

  193. <div class="block">An inserted gap.</div>

  194. </td>

  195. </tr>

  196. </table>

  197. </li>

  198. </ul>

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

  200. <ul class="blockList">

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  203. </a>

  204. <h3>Field Summary</h3>

  205. <ul class="blockList">

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

  207. <!--   -->

  208. </a>

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

  210. <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 href="../../javassist/bytecode/Opcode.html#LADD">LADD</a>, <a href="../../javassist/bytecode/Opcode.html#LALOAD">LALOAD</a>, <a href="../../javassist/bytecode/Opcode.html#LAND">LAND</a>, <a href="../../javassist/bytecode/Opcode.html#LASTORE">LASTORE</a>, <a href="../../javassist/bytecode/Opcode.html#LCMP">LCMP</a>, <a href="../../javassist/bytecode/Opcode.html#LCONST_0">LCONST_0</a>, <a href="../../javassist/bytecode/Opcode.html#LCONST_1">LCONST_1</a>, <a href="../../javassist/bytecode/Opcode.html#LDC">LDC</a>, <a href="../../javassist/bytecode/Opcode.html#LDC_W">LDC_W</a>, <a href="../../javassist/bytecode/Opcode.html#LDC2_W">LDC2_W</a>, <a href="../../javassist/bytecode/Opcode.html#LDIV">LDIV</a>, <a href="../../javassist/bytecode/Opcode.html#LLOAD">LLOAD</a>, <a href="../../javassist/bytecode/Opcode.html#LLOAD_0">LLOAD_0</a>, <a href="../../javassist/bytecode/Opcode.html#LLOAD_1">LLOAD_1</a>, <a href="../../javassist/bytecode/Opcode.html#LLOAD_2">LLOAD_2</a>, <a href="../../javassist/bytecode/Opcode.html#LLOAD_3">LLOAD_3</a>, <a href="../../javassist/bytecode/Opcode.html#LMUL">LMUL</a>, <a href="../../javassist/bytecode/Opcode.html#LNEG">LNEG</a>, <a href="../../javassist/bytecode/Opcode.html#LOOKUPSWITCH">LOOKUPSWITCH</a>, <a href="../../javassist/bytecode/Opcode.html#LOR">LOR</a>, <a href="../../javassist/bytecode/Opcode.html#LREM">LREM</a>, <a href="../../javassist/bytecode/Opcode.html#LRETURN">LRETURN</a>, <a href="../../javassist/bytecode/Opcode.html#LSHL">LSHL</a>, <a href="../../javassist/bytecode/Opcode.html#LSHR">LSHR</a>, <a href="../../javassist/bytecode/Opcode.html#LSTORE">LSTORE</a>, <a href="../../javassist/bytecode/Opcode.html#LSTORE_0">LSTORE_0</a>, <a href="../../javassist/bytecode/Opcode.html#LSTORE_1">LSTORE_1</a>, <a href="../../javassist/bytecode/Opcode.html#LSTORE_2">LSTORE_2</a>, <a href="../../javassist/bytecode/Opcode.html#LSTORE_3">LSTORE_3</a>, <a href="../../javassist/bytecode/Opcode.html#LSUB">LSUB</a>, <a href="../../javassist/bytecode/Opcode.html#LUSHR">LUSHR</a>, <a href="../../javassist/bytecode/Opcode.html#LXOR">LXOR</a>, <a href="../../javassist/bytecode/Opcode.html#MONITORENTER">MONITORENTER</a>, <a href="../../javassist/bytecode/Opcode.html#MONITOREXIT">MONITOREXIT</a>, <a href="../../javassist/bytecode/Opcode.html#MULTIANEWARRAY">MULTIANEWARRAY</a>, <a href="../../javassist/bytecode/Opcode.html#NEW">NEW</a>, <a href="../../javassist/bytecode/Opcode.html#NEWARRAY">NEWARRAY</a>, <a href="../../javassist/bytecode/Opcode.html#NOP">NOP</a>, <a href="../../javassist/bytecode/Opcode.html#POP">POP</a>, <a href="../../javassist/bytecode/Opcode.html#POP2">POP2</a>, <a href="../../javassist/bytecode/Opcode.html#PUTFIELD">PUTFIELD</a>, <a href="../../javassist/bytecode/Opcode.html#PUTSTATIC">PUTSTATIC</a>, <a href="../../javassist/bytecode/Opcode.html#RET">RET</a>, <a href="../../javassist/bytecode/Opcode.html#RETURN">RETURN</a>, <a href="../../javassist/bytecode/Opcode.html#SALOAD">SALOAD</a>, <a href="../../javassist/bytecode/Opcode.html#SASTORE">SASTORE</a>, <a href="../../javassist/bytecode/Opcode.html#SIPUSH">SIPUSH</a>, <a href="../../javassist/bytecode/Opcode.html#STACK_GROW">STACK_GROW</a>, <a href="../../javassist/bytecode/Opcode.html#SWAP">SWAP</a>, <a href="../../javassist/bytecode/Opcode.html#T_BOOLEAN">T_BOOLEAN</a>, <a href="../../javassist/bytecode/Opcode.html#T_BYTE">T_BYTE</a>, <a href="../../javassist/bytecode/Opcode.html#T_CHAR">T_CHAR</a>, <a href="../../javassist/bytecode/Opcode.html#T_DOUBLE">T_DOUBLE</a>, <a href="../../javassist/bytecode/Opcode.html#T_FLOAT">T_FLOAT</a>, <a href="../../javassist/bytecode/Opcode.html#T_INT">T_INT</a>, <a href="../../javassist/bytecode/Opcode.html#T_LONG">T_LONG</a>, <a 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>

  211. </ul>

  212. </li>

  213. </ul>

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

  215. <ul class="blockList">

  216. <li class="blockList"><a name="method.summary">

  217. <!--   -->

  218. </a>

  219. <h3>Method Summary</h3>

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

  221. <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>

  222. <tr>

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

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

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

  226. </tr>

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

  228. <td class="colFirst"><code>int</code></td>

  229. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#append-byte:A-">append</a></span>&#8203;(byte[]&nbsp;code)</code></th>

  230. <td class="colLast">

  231. <div class="block">Appends the given bytecode sequence at the end.</div>

  232. </td>

  233. </tr>

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

  235. <td class="colFirst"><code>void</code></td>

  236. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#append-javassist.bytecode.ExceptionTable-int-">append</a></span>&#8203;(<a href="../../javassist/bytecode/ExceptionTable.html" title="class in javassist.bytecode">ExceptionTable</a>&nbsp;et,

  237.       int&nbsp;offset)</code></th>

  238. <td class="colLast">

  239. <div class="block">Copies and appends the entries in the given exception table

  240.  at the end of the exception table in the code attribute

  241.  edited by this object.</div>

  242. </td>

  243. </tr>

  244. <tr id="i2" class="altColor">

  245. <td class="colFirst"><code>void</code></td>

  246. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#appendGap-int-">appendGap</a></span>&#8203;(int&nbsp;gapLength)</code></th>

  247. <td class="colLast">

  248. <div class="block">Appends a gap at the end of the bytecode sequence.</div>

  249. </td>

  250. </tr>

  251. <tr id="i3" class="rowColor">

  252. <td class="colFirst"><code>void</code></td>

  253. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#begin--">begin</a></span>()</code></th>

  254. <td class="colLast">

  255. <div class="block">Moves to the first instruction.</div>

  256. </td>

  257. </tr>

  258. <tr id="i4" class="altColor">

  259. <td class="colFirst"><code>int</code></td>

  260. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#byteAt-int-">byteAt</a></span>&#8203;(int&nbsp;index)</code></th>

  261. <td class="colLast">

  262. <div class="block">Returns the unsigned 8bit value at the given index.</div>

  263. </td>

  264. </tr>

  265. <tr id="i5" class="rowColor">

  266. <td class="colFirst"><code><a href="../../javassist/bytecode/CodeAttribute.html" title="class in javassist.bytecode">CodeAttribute</a></code></td>

  267. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#get--">get</a></span>()</code></th>

  268. <td class="colLast">

  269. <div class="block">Returns a Code attribute read with this iterator.</div>

  270. </td>

  271. </tr>

  272. <tr id="i6" class="altColor">

  273. <td class="colFirst"><code>int</code></td>

  274. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#getCodeLength--">getCodeLength</a></span>()</code></th>

  275. <td class="colLast">

  276. <div class="block">Returns <code>code_length</code> of <code>Code_attribute</code>.</div>

  277. </td>

  278. </tr>

  279. <tr id="i7" class="rowColor">

  280. <td class="colFirst"><code>int</code></td>

  281. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#getMark--">getMark</a></span>()</code></th>

  282. <td class="colLast">

  283. <div class="block">Gets the index of the position of the mark set by

  284.  <code>setMark</code>.</div>

  285. </td>

  286. </tr>

  287. <tr id="i8" class="altColor">

  288. <td class="colFirst"><code>boolean</code></td>

  289. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#hasNext--">hasNext</a></span>()</code></th>

  290. <td class="colLast">

  291. <div class="block">Returns true if there is more instructions.</div>

  292. </td>

  293. </tr>

  294. <tr id="i9" class="rowColor">

  295. <td class="colFirst"><code>int</code></td>

  296. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#insert-byte:A-">insert</a></span>&#8203;(byte[]&nbsp;code)</code></th>

  297. <td class="colLast">

  298. <div class="block">Inserts the given bytecode sequence

  299.  before the next instruction that would be returned by

  300.  <code>next()</code> (not before the instruction returned

  301.  by the last call to <code>next()</code>).</div>

  302. </td>

  303. </tr>

  304. <tr id="i10" class="altColor">

  305. <td class="colFirst"><code>void</code></td>

  306. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#insert-int-byte:A-">insert</a></span>&#8203;(int&nbsp;pos,

  307.       byte[]&nbsp;code)</code></th>

  308. <td class="colLast">

  309. <div class="block">Inserts the given bytecode sequence

  310.  before the instruction at the given index <code>pos</code>.</div>

  311. </td>

  312. </tr>

  313. <tr id="i11" class="rowColor">

  314. <td class="colFirst"><code>void</code></td>

  315. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#insert-javassist.bytecode.ExceptionTable-int-">insert</a></span>&#8203;(<a href="../../javassist/bytecode/ExceptionTable.html" title="class in javassist.bytecode">ExceptionTable</a>&nbsp;et,

  316.       int&nbsp;offset)</code></th>

  317. <td class="colLast">

  318. <div class="block">Copies and inserts the entries in the given exception table

  319.  at the beginning of the exception table in the code attribute

  320.  edited by this object.</div>

  321. </td>

  322. </tr>

  323. <tr id="i12" class="altColor">

  324. <td class="colFirst"><code>int</code></td>

  325. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#insertAt-int-byte:A-">insertAt</a></span>&#8203;(int&nbsp;pos,

  326.         byte[]&nbsp;code)</code></th>

  327. <td class="colLast">

  328. <div class="block">Inserts the given bytecode sequence

  329.  before the instruction at the given index <code>pos</code>.</div>

  330. </td>

  331. </tr>

  332. <tr id="i13" class="rowColor">

  333. <td class="colFirst"><code>int</code></td>

  334. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#insertEx-byte:A-">insertEx</a></span>&#8203;(byte[]&nbsp;code)</code></th>

  335. <td class="colLast">

  336. <div class="block">Inserts the given bytecode sequence exclusively

  337.  before the next instruction that would be returned by

  338.  <code>next()</code> (not before the instruction returned

  339.  by tha last call to <code>next()</code>).</div>

  340. </td>

  341. </tr>

  342. <tr id="i14" class="altColor">

  343. <td class="colFirst"><code>void</code></td>

  344. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#insertEx-int-byte:A-">insertEx</a></span>&#8203;(int&nbsp;pos,

  345.         byte[]&nbsp;code)</code></th>

  346. <td class="colLast">

  347. <div class="block">Inserts the given bytecode sequence exclusively

  348.  before the instruction at the given index <code>pos</code>.</div>

  349. </td>

  350. </tr>

  351. <tr id="i15" class="rowColor">

  352. <td class="colFirst"><code>int</code></td>

  353. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#insertExAt-int-byte:A-">insertExAt</a></span>&#8203;(int&nbsp;pos,

  354.           byte[]&nbsp;code)</code></th>

  355. <td class="colLast">

  356. <div class="block">Inserts the given bytecode sequence exclusively

  357.  before the instruction at the given index <code>pos</code>.</div>

  358. </td>

  359. </tr>

  360. <tr id="i16" class="altColor">

  361. <td class="colFirst"><code>int</code></td>

  362. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#insertExGap-int-">insertExGap</a></span>&#8203;(int&nbsp;length)</code></th>

  363. <td class="colLast">

  364. <div class="block">Inserts an exclusive gap

  365.  before the next instruction that would be returned by

  366.  <code>next()</code> (not before the instruction returned

  367.  by the last call to <code>next()</code>).</div>

  368. </td>

  369. </tr>

  370. <tr id="i17" class="rowColor">

  371. <td class="colFirst"><code>int</code></td>

  372. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#insertExGap-int-int-">insertExGap</a></span>&#8203;(int&nbsp;pos,

  373.            int&nbsp;length)</code></th>

  374. <td class="colLast">

  375. <div class="block">Inserts an exclusive gap in front of the instruction at the given

  376.  index <code>pos</code>.</div>

  377. </td>

  378. </tr>

  379. <tr id="i18" class="altColor">

  380. <td class="colFirst"><code>int</code></td>

  381. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#insertGap-int-">insertGap</a></span>&#8203;(int&nbsp;length)</code></th>

  382. <td class="colLast">

  383. <div class="block">Inserts a gap

  384.  before the next instruction that would be returned by

  385.  <code>next()</code> (not before the instruction returned

  386.  by the last call to <code>next()</code>).</div>

  387. </td>

  388. </tr>

  389. <tr id="i19" class="rowColor">

  390. <td class="colFirst"><code>int</code></td>

  391. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#insertGap-int-int-">insertGap</a></span>&#8203;(int&nbsp;pos,

  392.          int&nbsp;length)</code></th>

  393. <td class="colLast">

  394. <div class="block">Inserts a gap in front of the instruction at the given

  395.  index <code>pos</code>.</div>

  396. </td>

  397. </tr>

  398. <tr id="i20" class="altColor">

  399. <td class="colFirst"><code><a href="../../javassist/bytecode/CodeIterator.Gap.html" title="class in javassist.bytecode">CodeIterator.Gap</a></code></td>

  400. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#insertGapAt-int-int-boolean-">insertGapAt</a></span>&#8203;(int&nbsp;pos,

  401.            int&nbsp;length,

  402.            boolean&nbsp;exclusive)</code></th>

  403. <td class="colLast">

  404. <div class="block">Inserts an inclusive or exclusive gap in front of the instruction

  405.  at the given index <code>pos</code>.</div>

  406. </td>

  407. </tr>

  408. <tr id="i21" class="rowColor">

  409. <td class="colFirst"><code>int</code></td>

  410. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#lookAhead--">lookAhead</a></span>()</code></th>

  411. <td class="colLast">

  412. <div class="block">Obtains the value that the next call

  413.  to <code>next()</code> will return.</div>

  414. </td>

  415. </tr>

  416. <tr id="i22" class="altColor">

  417. <td class="colFirst"><code>void</code></td>

  418. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#move-int-">move</a></span>&#8203;(int&nbsp;index)</code></th>

  419. <td class="colLast">

  420. <div class="block">Moves to the given index.</div>

  421. </td>

  422. </tr>

  423. <tr id="i23" class="rowColor">

  424. <td class="colFirst"><code>int</code></td>

  425. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#next--">next</a></span>()</code></th>

  426. <td class="colLast">

  427. <div class="block">Returns the index of the next instruction

  428.  (not the operand following the current opcode).</div>

  429. </td>

  430. </tr>

  431. <tr id="i24" class="altColor">

  432. <td class="colFirst"><code>int</code></td>

  433. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#s16bitAt-int-">s16bitAt</a></span>&#8203;(int&nbsp;index)</code></th>

  434. <td class="colLast">

  435. <div class="block">Returns the signed 16bit value at the given index.</div>

  436. </td>

  437. </tr>

  438. <tr id="i25" class="rowColor">

  439. <td class="colFirst"><code>int</code></td>

  440. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#s32bitAt-int-">s32bitAt</a></span>&#8203;(int&nbsp;index)</code></th>

  441. <td class="colLast">

  442. <div class="block">Returns the signed 32bit value at the given index.</div>

  443. </td>

  444. </tr>

  445. <tr id="i26" class="altColor">

  446. <td class="colFirst"><code>void</code></td>

  447. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#setMark-int-">setMark</a></span>&#8203;(int&nbsp;index)</code></th>

  448. <td class="colLast">

  449. <div class="block">Sets a mark to the bytecode at the given index.</div>

  450. </td>

  451. </tr>

  452. <tr id="i27" class="rowColor">

  453. <td class="colFirst"><code>int</code></td>

  454. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#signedByteAt-int-">signedByteAt</a></span>&#8203;(int&nbsp;index)</code></th>

  455. <td class="colLast">

  456. <div class="block">Returns the signed 8bit value at the given index.</div>

  457. </td>

  458. </tr>

  459. <tr id="i28" class="altColor">

  460. <td class="colFirst"><code>int</code></td>

  461. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#skipConstructor--">skipConstructor</a></span>()</code></th>

  462. <td class="colLast">

  463. <div class="block">Moves to the instruction for

  464.  either <code>super()</code> or <code>this()</code>.</div>

  465. </td>

  466. </tr>

  467. <tr id="i29" class="rowColor">

  468. <td class="colFirst"><code>int</code></td>

  469. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#skipSuperConstructor--">skipSuperConstructor</a></span>()</code></th>

  470. <td class="colLast">

  471. <div class="block">Moves to the instruction for <code>super()</code>.</div>

  472. </td>

  473. </tr>

  474. <tr id="i30" class="altColor">

  475. <td class="colFirst"><code>int</code></td>

  476. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#skipThisConstructor--">skipThisConstructor</a></span>()</code></th>

  477. <td class="colLast">

  478. <div class="block">Moves to the instruction for <code>this()</code>.</div>

  479. </td>

  480. </tr>

  481. <tr id="i31" class="rowColor">

  482. <td class="colFirst"><code>int</code></td>

  483. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#u16bitAt-int-">u16bitAt</a></span>&#8203;(int&nbsp;index)</code></th>

  484. <td class="colLast">

  485. <div class="block">Returns the unsigned 16bit value at the given index.</div>

  486. </td>

  487. </tr>

  488. <tr id="i32" class="altColor">

  489. <td class="colFirst"><code>void</code></td>

  490. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#write-byte:A-int-">write</a></span>&#8203;(byte[]&nbsp;code,

  491.      int&nbsp;index)</code></th>

  492. <td class="colLast">

  493. <div class="block">Writes a byte array at the index.</div>

  494. </td>

  495. </tr>

  496. <tr id="i33" class="rowColor">

  497. <td class="colFirst"><code>void</code></td>

  498. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#write16bit-int-int-">write16bit</a></span>&#8203;(int&nbsp;value,

  499.           int&nbsp;index)</code></th>

  500. <td class="colLast">

  501. <div class="block">Writes a 16 bit integer at the index.</div>

  502. </td>

  503. </tr>

  504. <tr id="i34" class="altColor">

  505. <td class="colFirst"><code>void</code></td>

  506. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#write32bit-int-int-">write32bit</a></span>&#8203;(int&nbsp;value,

  507.           int&nbsp;index)</code></th>

  508. <td class="colLast">

  509. <div class="block">Writes a 32bit integer at the index.</div>

  510. </td>

  511. </tr>

  512. <tr id="i35" class="rowColor">

  513. <td class="colFirst"><code>void</code></td>

  514. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../javassist/bytecode/CodeIterator.html#writeByte-int-int-">writeByte</a></span>&#8203;(int&nbsp;value,

  515.          int&nbsp;index)</code></th>

  516. <td class="colLast">

  517. <div class="block">Writes an 8bit value at the given index.</div>

  518. </td>

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

  527. </ul>

  528. </li>

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  543. <!--   -->

  544. </a>

  545. <ul class="blockList">

  546. <li class="blockList">

  547. <h4>begin</h4>

  548. <pre>public&nbsp;void&nbsp;begin()</pre>

  549. <div class="block">Moves to the first instruction.</div>

  550. </li>

  551. </ul>

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  553. <!--   -->

  554. </a>

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  556. <li class="blockList">

  557. <h4>move</h4>

  558. <pre>public&nbsp;void&nbsp;move&#8203;(int&nbsp;index)</pre>

  559. <div class="block">Moves to the given index.

  560. 

  561.  <p>The index of the next instruction is set to the given index.

  562.  The successive call to <code>next()</code>

  563.  returns the index that has been given to <code>move()</code>.

  564. 

  565.  <p>Note that the index is into the byte array returned by

  566.  <code>get().getCode()</code>.</div>

  567. <dl>

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

  569. <dd><a href="../../javassist/bytecode/CodeAttribute.html#getCode--"><code>CodeAttribute.getCode()</code></a></dd>

  570. </dl>

  571. </li>

  572. </ul>

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  574. <!--   -->

  575. </a>

  576. <ul class="blockList">

  577. <li class="blockList">

  578. <h4>setMark</h4>

  579. <pre>public&nbsp;void&nbsp;setMark&#8203;(int&nbsp;index)</pre>

  580. <div class="block">Sets a mark to the bytecode at the given index.

  581.  The mark can be used to track the position of that bytecode

  582.  when code blocks are inserted.

  583.  If a code block is inclusively inserted at the position of the

  584.  bytecode, the mark is set to the inserted code block.</div>

  585. <dl>

  586. <dt><span class="simpleTagLabel">Since:</span></dt>

  587. <dd>3.11</dd>

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

  589. <dd><a href="../../javassist/bytecode/CodeIterator.html#getMark--"><code>getMark()</code></a></dd>

  590. </dl>

  591. </li>

  592. </ul>

  593. <a name="getMark--">

  594. <!--   -->

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  597. <li class="blockList">

  598. <h4>getMark</h4>

  599. <pre>public&nbsp;int&nbsp;getMark()</pre>

  600. <div class="block">Gets the index of the position of the mark set by

  601.  <code>setMark</code>.</div>

  602. <dl>

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

  604. <dd>the index of the position.</dd>

  605. <dt><span class="simpleTagLabel">Since:</span></dt>

  606. <dd>3.11</dd>

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

  608. <dd><a href="../../javassist/bytecode/CodeIterator.html#setMark-int-"><code>setMark(int)</code></a></dd>

  609. </dl>

  610. </li>

  611. </ul>

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  613. <!--   -->

  614. </a>

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  616. <li class="blockList">

  617. <h4>get</h4>

  618. <pre>public&nbsp;<a href="../../javassist/bytecode/CodeAttribute.html" title="class in javassist.bytecode">CodeAttribute</a>&nbsp;get()</pre>

  619. <div class="block">Returns a Code attribute read with this iterator.</div>

  620. </li>

  621. </ul>

  622. <a name="getCodeLength--">

  623. <!--   -->

  624. </a>

  625. <ul class="blockList">

  626. <li class="blockList">

  627. <h4>getCodeLength</h4>

  628. <pre>public&nbsp;int&nbsp;getCodeLength()</pre>

  629. <div class="block">Returns <code>code_length</code> of <code>Code_attribute</code>.</div>

  630. </li>

  631. </ul>

  632. <a name="byteAt-int-">

  633. <!--   -->

  634. </a>

  635. <ul class="blockList">

  636. <li class="blockList">

  637. <h4>byteAt</h4>

  638. <pre>public&nbsp;int&nbsp;byteAt&#8203;(int&nbsp;index)</pre>

  639. <div class="block">Returns the unsigned 8bit value at the given index.</div>

  640. </li>

  641. </ul>

  642. <a name="signedByteAt-int-">

  643. <!--   -->

  644. </a>

  645. <ul class="blockList">

  646. <li class="blockList">

  647. <h4>signedByteAt</h4>

  648. <pre>public&nbsp;int&nbsp;signedByteAt&#8203;(int&nbsp;index)</pre>

  649. <div class="block">Returns the signed 8bit value at the given index.</div>

  650. </li>

  651. </ul>

  652. <a name="writeByte-int-int-">

  653. <!--   -->

  654. </a>

  655. <ul class="blockList">

  656. <li class="blockList">

  657. <h4>writeByte</h4>

  658. <pre>public&nbsp;void&nbsp;writeByte&#8203;(int&nbsp;value,

  659.                       int&nbsp;index)</pre>

  660. <div class="block">Writes an 8bit value at the given index.</div>

  661. </li>

  662. </ul>

  663. <a name="u16bitAt-int-">

  664. <!--   -->

  665. </a>

  666. <ul class="blockList">

  667. <li class="blockList">

  668. <h4>u16bitAt</h4>

  669. <pre>public&nbsp;int&nbsp;u16bitAt&#8203;(int&nbsp;index)</pre>

  670. <div class="block">Returns the unsigned 16bit value at the given index.</div>

  671. </li>

  672. </ul>

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  674. <!--   -->

  675. </a>

  676. <ul class="blockList">

  677. <li class="blockList">

  678. <h4>s16bitAt</h4>

  679. <pre>public&nbsp;int&nbsp;s16bitAt&#8203;(int&nbsp;index)</pre>

  680. <div class="block">Returns the signed 16bit value at the given index.</div>

  681. </li>

  682. </ul>

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  684. <!--   -->

  685. </a>

  686. <ul class="blockList">

  687. <li class="blockList">

  688. <h4>write16bit</h4>

  689. <pre>public&nbsp;void&nbsp;write16bit&#8203;(int&nbsp;value,

  690.                        int&nbsp;index)</pre>

  691. <div class="block">Writes a 16 bit integer at the index.</div>

  692. </li>

  693. </ul>

  694. <a name="s32bitAt-int-">

  695. <!--   -->

  696. </a>

  697. <ul class="blockList">

  698. <li class="blockList">

  699. <h4>s32bitAt</h4>

  700. <pre>public&nbsp;int&nbsp;s32bitAt&#8203;(int&nbsp;index)</pre>

  701. <div class="block">Returns the signed 32bit value at the given index.</div>

  702. </li>

  703. </ul>

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  706. </a>

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  708. <li class="blockList">

  709. <h4>write32bit</h4>

  710. <pre>public&nbsp;void&nbsp;write32bit&#8203;(int&nbsp;value,

  711.                        int&nbsp;index)</pre>

  712. <div class="block">Writes a 32bit integer at the index.</div>

  713. </li>

  714. </ul>

  715. <a name="write-byte:A-int-">

  716. <!--   -->

  717. </a>

  718. <ul class="blockList">

  719. <li class="blockList">

  720. <h4>write</h4>

  721. <pre>public&nbsp;void&nbsp;write&#8203;(byte[]&nbsp;code,

  722.                   int&nbsp;index)</pre>

  723. <div class="block">Writes a byte array at the index.</div>

  724. <dl>

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

  726. <dd><code>code</code> - may be a zero-length array.</dd>

  727. </dl>

  728. </li>

  729. </ul>

  730. <a name="hasNext--">

  731. <!--   -->

  732. </a>

  733. <ul class="blockList">

  734. <li class="blockList">

  735. <h4>hasNext</h4>

  736. <pre>public&nbsp;boolean&nbsp;hasNext()</pre>

  737. <div class="block">Returns true if there is more instructions.</div>

  738. </li>

  739. </ul>

  740. <a name="next--">

  741. <!--   -->

  742. </a>

  743. <ul class="blockList">

  744. <li class="blockList">

  745. <h4>next</h4>

  746. <pre>public&nbsp;int&nbsp;next()

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

  748. <div class="block">Returns the index of the next instruction

  749.  (not the operand following the current opcode).

  750. 

  751.  <p>Note that the index is into the byte array returned by

  752.  <code>get().getCode()</code>.</div>

  753. <dl>

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

  755. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

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

  757. <dd><a href="../../javassist/bytecode/CodeAttribute.html#getCode--"><code>CodeAttribute.getCode()</code></a>, 

  758. <a href="../../javassist/bytecode/CodeIterator.html#byteAt-int-"><code>byteAt(int)</code></a></dd>

  759. </dl>

  760. </li>

  761. </ul>

  762. <a name="lookAhead--">

  763. <!--   -->

  764. </a>

  765. <ul class="blockList">

  766. <li class="blockList">

  767. <h4>lookAhead</h4>

  768. <pre>public&nbsp;int&nbsp;lookAhead()</pre>

  769. <div class="block">Obtains the value that the next call

  770.  to <code>next()</code> will return.

  771. 

  772.  <p>This method is side-effects free.

  773.  Successive calls to <code>lookAhead()</code> return the

  774.  same value until <code>next()</code> is called.</div>

  775. </li>

  776. </ul>

  777. <a name="skipConstructor--">

  778. <!--   -->

  779. </a>

  780. <ul class="blockList">

  781. <li class="blockList">

  782. <h4>skipConstructor</h4>

  783. <pre>public&nbsp;int&nbsp;skipConstructor()

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

  785. <div class="block">Moves to the instruction for

  786.  either <code>super()</code> or <code>this()</code>.

  787. 

  788.  <p>This method skips all the instructions for computing arguments

  789.  to <code>super()</code> or <code>this()</code>, which should be

  790.  placed at the beginning of a constructor body.

  791. 

  792.  <p>This method returns the index of INVOKESPECIAL instruction

  793.  executing <code>super()</code> or <code>this()</code>.

  794.  A successive call to <code>next()</code> returns the

  795.  index of the next instruction following that INVOKESPECIAL.

  796. 

  797.  <p>This method works only for a constructor.</div>

  798. <dl>

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

  800. <dd>the index of the INVOKESPECIAL instruction, or -1

  801.           if a constructor invocation is not found.</dd>

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

  803. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

  804. </dl>

  805. </li>

  806. </ul>

  807. <a name="skipSuperConstructor--">

  808. <!--   -->

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  810. <ul class="blockList">

  811. <li class="blockList">

  812. <h4>skipSuperConstructor</h4>

  813. <pre>public&nbsp;int&nbsp;skipSuperConstructor()

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

  815. <div class="block">Moves to the instruction for <code>super()</code>.

  816. 

  817.  <p>This method skips all the instructions for computing arguments to

  818.  <code>super()</code>, which should be

  819.  placed at the beginning of a constructor body.

  820. 

  821.  <p>This method returns the index of INVOKESPECIAL instruction

  822.  executing <code>super()</code>.

  823.  A successive call to <code>next()</code> returns the

  824.  index of the next instruction following that INVOKESPECIAL.

  825. 

  826.  <p>This method works only for a constructor.</div>

  827. <dl>

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

  829. <dd>the index of the INVOKESPECIAL instruction, or -1

  830.           if a super constructor invocation is not found

  831.           but <code>this()</code> is found.</dd>

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

  833. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

  834. </dl>

  835. </li>

  836. </ul>

  837. <a name="skipThisConstructor--">

  838. <!--   -->

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  840. <ul class="blockList">

  841. <li class="blockList">

  842. <h4>skipThisConstructor</h4>

  843. <pre>public&nbsp;int&nbsp;skipThisConstructor()

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

  845. <div class="block">Moves to the instruction for <code>this()</code>.

  846. 

  847.  <p>This method skips all the instructions for computing arguments to

  848.  <code>this()</code>, which should be

  849.  placed at the beginning of a constructor body.

  850. 

  851.  <p>This method returns the index of INVOKESPECIAL instruction

  852.  executing <code>this()</code>.

  853.  A successive call to <code>next()</code> returns the

  854.  index of the next instruction following that INVOKESPECIAL.

  855. 

  856.  <p>This method works only for a constructor.</div>

  857. <dl>

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

  859. <dd>the index of the INVOKESPECIAL instruction, or -1

  860.           if a explicit constructor invocation is not found

  861.           but <code>super()</code> is found.</dd>

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

  863. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

  864. </dl>

  865. </li>

  866. </ul>

  867. <a name="insert-byte:A-">

  868. <!--   -->

  869. </a>

  870. <ul class="blockList">

  871. <li class="blockList">

  872. <h4>insert</h4>

  873. <pre>public&nbsp;int&nbsp;insert&#8203;(byte[]&nbsp;code)

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

  875. <div class="block">Inserts the given bytecode sequence

  876.  before the next instruction that would be returned by

  877.  <code>next()</code> (not before the instruction returned

  878.  by the last call to <code>next()</code>).

  879.  Branch offsets and the exception table are also updated.

  880. 

  881.  <p>If the next instruction is at the beginning of a block statement,

  882.  then the bytecode is inserted within that block.

  883. 

  884.  <p>An extra gap may be inserted at the end of the inserted

  885.  bytecode sequence for adjusting alignment if the code attribute

  886.  includes <code>LOOKUPSWITCH</code> or <code>TABLESWITCH</code>.</div>

  887. <dl>

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

  889. <dd><code>code</code> - inserted bytecode sequence.</dd>

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

  891. <dd>the index indicating the first byte of the

  892.                   inserted byte sequence.</dd>

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

  894. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

  895. </dl>

  896. </li>

  897. </ul>

  898. <a name="insert-int-byte:A-">

  899. <!--   -->

  900. </a>

  901. <ul class="blockList">

  902. <li class="blockList">

  903. <h4>insert</h4>

  904. <pre>public&nbsp;void&nbsp;insert&#8203;(int&nbsp;pos,

  905.                    byte[]&nbsp;code)

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

  907. <div class="block">Inserts the given bytecode sequence

  908.  before the instruction at the given index <code>pos</code>.

  909.  Branch offsets and the exception table are also updated.

  910. 

  911.  <p>If the instruction at the given index is at the beginning

  912.  of a block statement,

  913.  then the bytecode is inserted within that block.

  914. 

  915.  <p>An extra gap may be inserted at the end of the inserted

  916.  bytecode sequence for adjusting alignment if the code attribute

  917.  includes <code>LOOKUPSWITCH</code> or <code>TABLESWITCH</code>.

  918. 

  919.  <p>The index at which the byte sequence is actually inserted

  920.  might be different from pos since some other bytes might be

  921.  inserted at other positions (e.g. to change <code>GOTO</code>

  922.  to <code>GOTO_W</code>).</div>

  923. <dl>

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

  925. <dd><code>pos</code> - the index at which a byte sequence is inserted.</dd>

  926. <dd><code>code</code> - inserted bytecode sequence.</dd>

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

  928. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

  929. </dl>

  930. </li>

  931. </ul>

  932. <a name="insertAt-int-byte:A-">

  933. <!--   -->

  934. </a>

  935. <ul class="blockList">

  936. <li class="blockList">

  937. <h4>insertAt</h4>

  938. <pre>public&nbsp;int&nbsp;insertAt&#8203;(int&nbsp;pos,

  939.                     byte[]&nbsp;code)

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

  941. <div class="block">Inserts the given bytecode sequence

  942.  before the instruction at the given index <code>pos</code>.

  943.  Branch offsets and the exception table are also updated.

  944. 

  945.  <p>If the instruction at the given index is at the beginning

  946.  of a block statement,

  947.  then the bytecode is inserted within that block.

  948. 

  949.  <p>An extra gap may be inserted at the end of the inserted

  950.  bytecode sequence for adjusting alignment if the code attribute

  951.  includes <code>LOOKUPSWITCH</code> or <code>TABLESWITCH</code>.</div>

  952. <dl>

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

  954. <dd><code>pos</code> - the index at which a byte sequence is inserted.</dd>

  955. <dd><code>code</code> - inserted bytecode sequence.</dd>

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

  957. <dd>the index indicating the first byte of the

  958.                   inserted byte sequence, which might be

  959.                   different from pos.</dd>

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

  961. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

  962. <dt><span class="simpleTagLabel">Since:</span></dt>

  963. <dd>3.11</dd>

  964. </dl>

  965. </li>

  966. </ul>

  967. <a name="insertEx-byte:A-">

  968. <!--   -->

  969. </a>

  970. <ul class="blockList">

  971. <li class="blockList">

  972. <h4>insertEx</h4>

  973. <pre>public&nbsp;int&nbsp;insertEx&#8203;(byte[]&nbsp;code)

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

  975. <div class="block">Inserts the given bytecode sequence exclusively

  976.  before the next instruction that would be returned by

  977.  <code>next()</code> (not before the instruction returned

  978.  by tha last call to <code>next()</code>).

  979.  Branch offsets and the exception table are also updated.

  980. 

  981.  <p>If the next instruction is at the beginning of a block statement,

  982.  then the bytecode is excluded from that block.

  983. 

  984.  <p>An extra gap may be inserted at the end of the inserted

  985.  bytecode sequence for adjusting alignment if the code attribute

  986.  includes <code>LOOKUPSWITCH</code> or <code>TABLESWITCH</code>.</div>

  987. <dl>

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

  989. <dd><code>code</code> - inserted bytecode sequence.</dd>

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

  991. <dd>the index indicating the first byte of the

  992.                   inserted byte sequence.</dd>

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

  994. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

  995. </dl>

  996. </li>

  997. </ul>

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  1000. </a>

  1001. <ul class="blockList">

  1002. <li class="blockList">

  1003. <h4>insertEx</h4>

  1004. <pre>public&nbsp;void&nbsp;insertEx&#8203;(int&nbsp;pos,

  1005.                      byte[]&nbsp;code)

  1006.               throws <a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></pre>

  1007. <div class="block">Inserts the given bytecode sequence exclusively

  1008.  before the instruction at the given index <code>pos</code>.

  1009.  Branch offsets and the exception table are also updated.

  1010. 

  1011.  <p>If the instruction at the given index is at the beginning

  1012.  of a block statement,

  1013.  then the bytecode is excluded from that block.

  1014. 

  1015.  <p>An extra gap may be inserted at the end of the inserted

  1016.  bytecode sequence for adjusting alignment if the code attribute

  1017.  includes <code>LOOKUPSWITCH</code> or <code>TABLESWITCH</code>.

  1018. 

  1019.  <p>The index at which the byte sequence is actually inserted

  1020.  might be different from pos since some other bytes might be

  1021.  inserted at other positions (e.g. to change <code>GOTO</code>

  1022.  to <code>GOTO_W</code>).</div>

  1023. <dl>

  1024. <dt><span class="paramLabel">Parameters:</span></dt>

  1025. <dd><code>pos</code> - the index at which a byte sequence is inserted.</dd>

  1026. <dd><code>code</code> - inserted bytecode sequence.</dd>

  1027. <dt><span class="throwsLabel">Throws:</span></dt>

  1028. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

  1029. </dl>

  1030. </li>

  1031. </ul>

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  1038. <pre>public&nbsp;int&nbsp;insertExAt&#8203;(int&nbsp;pos,

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  1040.                throws <a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></pre>

  1041. <div class="block">Inserts the given bytecode sequence exclusively

  1042.  before the instruction at the given index <code>pos</code>.

  1043.  Branch offsets and the exception table are also updated.

  1044. 

  1045.  <p>If the instruction at the given index is at the beginning

  1046.  of a block statement,

  1047.  then the bytecode is excluded from that block.

  1048. 

  1049.  <p>An extra gap may be inserted at the end of the inserted

  1050.  bytecode sequence for adjusting alignment if the code attribute

  1051.  includes <code>LOOKUPSWITCH</code> or <code>TABLESWITCH</code>.</div>

  1052. <dl>

  1053. <dt><span class="paramLabel">Parameters:</span></dt>

  1054. <dd><code>pos</code> - the index at which a byte sequence is inserted.</dd>

  1055. <dd><code>code</code> - inserted bytecode sequence.</dd>

  1056. <dt><span class="returnLabel">Returns:</span></dt>

  1057. <dd>the index indicating the first byte of the

  1058.                   inserted byte sequence, which might be

  1059.                   different from pos.</dd>

  1060. <dt><span class="throwsLabel">Throws:</span></dt>

  1061. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

  1062. <dt><span class="simpleTagLabel">Since:</span></dt>

  1063. <dd>3.11</dd>

  1064. </dl>

  1065. </li>

  1066. </ul>

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  1071. <li class="blockList">

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  1073. <pre>public&nbsp;int&nbsp;insertGap&#8203;(int&nbsp;length)

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  1075. <div class="block">Inserts a gap

  1076.  before the next instruction that would be returned by

  1077.  <code>next()</code> (not before the instruction returned

  1078.  by the last call to <code>next()</code>).

  1079.  Branch offsets and the exception table are also updated.

  1080.  The inserted gap is filled with NOP.  The gap length may be

  1081.  extended to a multiple of 4.

  1082. 

  1083.  <p>If the next instruction is at the beginning of a block statement,

  1084.  then the gap is inserted within that block.</div>

  1085. <dl>

  1086. <dt><span class="paramLabel">Parameters:</span></dt>

  1087. <dd><code>length</code> - gap length</dd>

  1088. <dt><span class="returnLabel">Returns:</span></dt>

  1089. <dd>the index indicating the first byte of the inserted gap.</dd>

  1090. <dt><span class="throwsLabel">Throws:</span></dt>

  1091. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

  1092. </dl>

  1093. </li>

  1094. </ul>

  1095. <a name="insertGap-int-int-">

  1096. <!--   -->

  1097. </a>

  1098. <ul class="blockList">

  1099. <li class="blockList">

  1100. <h4>insertGap</h4>

  1101. <pre>public&nbsp;int&nbsp;insertGap&#8203;(int&nbsp;pos,

  1102.                      int&nbsp;length)

  1103.               throws <a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></pre>

  1104. <div class="block">Inserts a gap in front of the instruction at the given

  1105.  index <code>pos</code>.

  1106.  Branch offsets and the exception table are also updated.

  1107.  The inserted gap is filled with NOP.  The gap length may be

  1108.  extended to a multiple of 4.

  1109. 

  1110.  <p>If the instruction at the given index is at the beginning

  1111.  of a block statement,

  1112.  then the gap is inserted within that block.</div>

  1113. <dl>

  1114. <dt><span class="paramLabel">Parameters:</span></dt>

  1115. <dd><code>pos</code> - the index at which a gap is inserted.</dd>

  1116. <dd><code>length</code> - gap length.</dd>

  1117. <dt><span class="returnLabel">Returns:</span></dt>

  1118. <dd>the length of the inserted gap.

  1119.           It might be bigger than <code>length</code>.</dd>

  1120. <dt><span class="throwsLabel">Throws:</span></dt>

  1121. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

  1122. </dl>

  1123. </li>

  1124. </ul>

  1125. <a name="insertExGap-int-">

  1126. <!--   -->

  1127. </a>

  1128. <ul class="blockList">

  1129. <li class="blockList">

  1130. <h4>insertExGap</h4>

  1131. <pre>public&nbsp;int&nbsp;insertExGap&#8203;(int&nbsp;length)

  1132.                 throws <a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></pre>

  1133. <div class="block">Inserts an exclusive gap

  1134.  before the next instruction that would be returned by

  1135.  <code>next()</code> (not before the instruction returned

  1136.  by the last call to <code>next()</code>).

  1137.  Branch offsets and the exception table are also updated.

  1138.  The inserted gap is filled with NOP.  The gap length may be

  1139.  extended to a multiple of 4.

  1140. 

  1141.  <p>If the next instruction is at the beginning of a block statement,

  1142.  then the gap is excluded from that block.</div>

  1143. <dl>

  1144. <dt><span class="paramLabel">Parameters:</span></dt>

  1145. <dd><code>length</code> - gap length</dd>

  1146. <dt><span class="returnLabel">Returns:</span></dt>

  1147. <dd>the index indicating the first byte of the inserted gap.</dd>

  1148. <dt><span class="throwsLabel">Throws:</span></dt>

  1149. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

  1150. </dl>

  1151. </li>

  1152. </ul>

  1153. <a name="insertExGap-int-int-">

  1154. <!--   -->

  1155. </a>

  1156. <ul class="blockList">

  1157. <li class="blockList">

  1158. <h4>insertExGap</h4>

  1159. <pre>public&nbsp;int&nbsp;insertExGap&#8203;(int&nbsp;pos,

  1160.                        int&nbsp;length)

  1161.                 throws <a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></pre>

  1162. <div class="block">Inserts an exclusive gap in front of the instruction at the given

  1163.  index <code>pos</code>.

  1164.  Branch offsets and the exception table are also updated.

  1165.  The inserted gap is filled with NOP.  The gap length may be

  1166.  extended to a multiple of 4.

  1167. 

  1168.  <p>If the instruction at the given index is at the beginning

  1169.  of a block statement,

  1170.  then the gap is excluded from that block.</div>

  1171. <dl>

  1172. <dt><span class="paramLabel">Parameters:</span></dt>

  1173. <dd><code>pos</code> - the index at which a gap is inserted.</dd>

  1174. <dd><code>length</code> - gap length.</dd>

  1175. <dt><span class="returnLabel">Returns:</span></dt>

  1176. <dd>the length of the inserted gap.

  1177.           It might be bigger than <code>length</code>.</dd>

  1178. <dt><span class="throwsLabel">Throws:</span></dt>

  1179. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

  1180. </dl>

  1181. </li>

  1182. </ul>

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  1184. <!--   -->

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  1187. <li class="blockList">

  1188. <h4>insertGapAt</h4>

  1189. <pre>public&nbsp;<a href="../../javassist/bytecode/CodeIterator.Gap.html" title="class in javassist.bytecode">CodeIterator.Gap</a>&nbsp;insertGapAt&#8203;(int&nbsp;pos,

  1190.                                     int&nbsp;length,

  1191.                                     boolean&nbsp;exclusive)

  1192.                              throws <a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></pre>

  1193. <div class="block">Inserts an inclusive or exclusive gap in front of the instruction

  1194.  at the given index <code>pos</code>.

  1195.  Branch offsets and the exception table in the method body

  1196.  are also updated.  The inserted gap is filled with NOP.

  1197.  The gap length may be extended to a multiple of 4.

  1198. 

  1199.  <p>Suppose that the instruction at the given index is at the

  1200.  beginning of a block statement.  If the gap is inclusive,

  1201.  then it is included within that block.  If the gap is exclusive,

  1202.  then it is excluded from that block.

  1203. 

  1204.  <p>The index at which the gap is actually inserted

  1205.  might be different from pos since some other bytes might be

  1206.  inserted at other positions (e.g. to change <code>GOTO</code>

  1207.  to <code>GOTO_W</code>).  The index is available from the <code>Gap</code>

  1208.  object returned by this method.

  1209. 

  1210.  <p>Suppose that the gap is inserted at the position of

  1211.  the next instruction that would be returned by

  1212.  <code>next()</code> (not the last instruction returned

  1213.  by the last call to <code>next()</code>).  The next

  1214.  instruction returned by <code>next()</code> after the gap is

  1215.  inserted is still the same instruction.  It is not <code>NOP</code>

  1216.  at the first byte of the inserted gap.</div>

  1217. <dl>

  1218. <dt><span class="paramLabel">Parameters:</span></dt>

  1219. <dd><code>pos</code> - the index at which a gap is inserted.</dd>

  1220. <dd><code>length</code> - gap length.</dd>

  1221. <dd><code>exclusive</code> - true if exclusive, otherwise false.</dd>

  1222. <dt><span class="returnLabel">Returns:</span></dt>

  1223. <dd>the position and the length of the inserted gap.</dd>

  1224. <dt><span class="throwsLabel">Throws:</span></dt>

  1225. <dd><code><a href="../../javassist/bytecode/BadBytecode.html" title="class in javassist.bytecode">BadBytecode</a></code></dd>

  1226. <dt><span class="simpleTagLabel">Since:</span></dt>

  1227. <dd>3.11</dd>

  1228. </dl>

  1229. </li>

  1230. </ul>

  1231. <a name="insert-javassist.bytecode.ExceptionTable-int-">

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  1234. <ul class="blockList">

  1235. <li class="blockList">

  1236. <h4>insert</h4>

  1237. <pre>public&nbsp;void&nbsp;insert&#8203;(<a href="../../javassist/bytecode/ExceptionTable.html" title="class in javassist.bytecode">ExceptionTable</a>&nbsp;et,

  1238.                    int&nbsp;offset)</pre>

  1239. <div class="block">Copies and inserts the entries in the given exception table

  1240.  at the beginning of the exception table in the code attribute

  1241.  edited by this object.</div>

  1242. <dl>

  1243. <dt><span class="paramLabel">Parameters:</span></dt>

  1244. <dd><code>offset</code> - the value added to the code positions included

  1245.                           in the entries.</dd>

  1246. </dl>

  1247. </li>

  1248. </ul>

  1249. <a name="append-byte:A-">

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  1251. </a>

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  1253. <li class="blockList">

  1254. <h4>append</h4>

  1255. <pre>public&nbsp;int&nbsp;append&#8203;(byte[]&nbsp;code)</pre>

  1256. <div class="block">Appends the given bytecode sequence at the end.</div>

  1257. <dl>

  1258. <dt><span class="paramLabel">Parameters:</span></dt>

  1259. <dd><code>code</code> - the bytecode appended.</dd>

  1260. <dt><span class="returnLabel">Returns:</span></dt>

  1261. <dd>the position of the first byte of the appended bytecode.</dd>

  1262. </dl>

  1263. </li>

  1264. </ul>

  1265. <a name="appendGap-int-">

  1266. <!--   -->

  1267. </a>

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  1269. <li class="blockList">

  1270. <h4>appendGap</h4>

  1271. <pre>public&nbsp;void&nbsp;appendGap&#8203;(int&nbsp;gapLength)</pre>

  1272. <div class="block">Appends a gap at the end of the bytecode sequence.</div>

  1273. <dl>

  1274. <dt><span class="paramLabel">Parameters:</span></dt>

  1275. <dd><code>gapLength</code> - gap length</dd>

  1276. </dl>

  1277. </li>

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  1281. </a>

  1282. <ul class="blockListLast">

  1283. <li class="blockList">

  1284. <h4>append</h4>

  1285. <pre>public&nbsp;void&nbsp;append&#8203;(<a href="../../javassist/bytecode/ExceptionTable.html" title="class in javassist.bytecode">ExceptionTable</a>&nbsp;et,

  1286.                    int&nbsp;offset)</pre>

  1287. <div class="block">Copies and appends the entries in the given exception table

  1288.  at the end of the exception table in the code attribute

  1289.  edited by this object.</div>

  1290. <dl>

  1291. <dt><span class="paramLabel">Parameters:</span></dt>

  1292. <dd><code>offset</code> - the value added to the code positions included

  1293.                           in the entries.</dd>

  1294. </dl>

  1295. </li>

  1296. </ul>

  1297. </li>

  1298. </ul>

  1299. </li>

  1300. </ul>

  1301. </div>

  1302. </div>

  1303. <!-- ========= END OF CLASS DATA ========= -->

  1304. <!-- ======= START OF BOTTOM NAVBAR ====== -->

  1305. <div class="bottomNav"><a name="navbar.bottom">

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  1307. </a>

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