select.html

一个用于对.class文件进行插桩的开源工具

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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_org.apache.bcel.generic.StackProducer"><!-- --></A>
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<TD><B>Methods inherited from interface org.apache.bcel.generic.<A HREF="../../../../org/apache/bcel/generic/StackProducer.html">StackProducer</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/bcel/generic/StackProducer.html#produceStack(org.apache.bcel.generic.ConstantPoolGen)">produceStack</A></CODE></TD>
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<B>Field Detail</B></FONT></TD>
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<A NAME="match"><!-- --></A><H3>
match</H3>
<PRE>
protected int[] <B>match</B></PRE>
<DL>
</DL>
<HR>

<A NAME="indices"><!-- --></A><H3>
indices</H3>
<PRE>
protected int[] <B>indices</B></PRE>
<DL>
</DL>
<HR>

<A NAME="targets"><!-- --></A><H3>
targets</H3>
<PRE>
protected <A HREF="../../../../org/apache/bcel/generic/InstructionHandle.html">InstructionHandle</A>[] <B>targets</B></PRE>
<DL>
</DL>
<HR>

<A NAME="fixed_length"><!-- --></A><H3>
fixed_length</H3>
<PRE>
protected int <B>fixed_length</B></PRE>
<DL>
</DL>
<HR>

<A NAME="match_length"><!-- --></A><H3>
match_length</H3>
<PRE>
protected int <B>match_length</B></PRE>
<DL>
</DL>
<HR>

<A NAME="padding"><!-- --></A><H3>
padding</H3>
<PRE>
protected int <B>padding</B></PRE>
<DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->


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<A NAME="updatePosition(int, int)"><!-- --></A><H3>
updatePosition</H3>
<PRE>
protected int <B>updatePosition</B>(int&nbsp;offset,
                             int&nbsp;max_offset)</PRE>
<DL>
<DD>Since this is a variable length instruction, it may shift the following
 instructions which then need to update their position.

 Called by InstructionList.setPositions when setting the position for every
 instruction. In the presence of variable length instructions `setPositions'
 performs multiple passes over the instruction list to calculate the
 correct (byte) positions and offsets by calling this function.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/bcel/generic/BranchInstruction.html#updatePosition(int, int)">updatePosition</A></CODE> in class <CODE><A HREF="../../../../org/apache/bcel/generic/BranchInstruction.html">BranchInstruction</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>offset</CODE> - additional offset caused by preceding (variable length) instructions<DD><CODE>max_offset</CODE> - the maximum offset that may be caused by these instructions<DT><B>Returns:</B><DD>additional offset caused by possible change of this instruction's length</DL>
</DD>
</DL>
<HR>

<A NAME="dump(java.io.DataOutputStream)"><!-- --></A><H3>
dump</H3>
<PRE>
public void <B>dump</B>(java.io.DataOutputStream&nbsp;out)
          throws java.io.IOException</PRE>
<DL>
<DD>Dump instruction as byte code to stream out.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/bcel/generic/BranchInstruction.html#dump(java.io.DataOutputStream)">dump</A></CODE> in class <CODE><A HREF="../../../../org/apache/bcel/generic/BranchInstruction.html">BranchInstruction</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>out</CODE> - Output stream</DL>
</DD>
</DL>
<HR>

<A NAME="initFromFile(org.apache.bcel.util.ByteSequence, boolean)"><!-- --></A><H3>
initFromFile</H3>
<PRE>
protected void <B>initFromFile</B>(<A HREF="../../../../org/apache/bcel/util/ByteSequence.html">ByteSequence</A>&nbsp;bytes,
                            boolean&nbsp;wide)
                     throws java.io.IOException</PRE>
<DL>
<DD>Read needed data (e.g. index) from file.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/bcel/generic/BranchInstruction.html#initFromFile(org.apache.bcel.util.ByteSequence, boolean)">initFromFile</A></CODE> in class <CODE><A HREF="../../../../org/apache/bcel/generic/BranchInstruction.html">BranchInstruction</A></CODE></DL>
</DD>
<DD>Following copied from class: <CODE>org.apache.bcel.generic.BranchInstruction</CODE></DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bytes</CODE> - input stream<DD><CODE>wide</CODE> - wide prefix?<DT><B>See Also: </B><DD><A HREF="../../../../org/apache/bcel/generic/InstructionList.html"><CODE>InstructionList</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="toString(boolean)"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>(boolean&nbsp;verbose)</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/bcel/generic/BranchInstruction.html">BranchInstruction</A></CODE></B></DD>
<DD>Long output format:

 &lt;position in byte code&gt;
 &lt;name of opcode&gt; "["&lt;opcode number&gt;"]" 
 "("&lt;length of instruction&gt;")"
 "&lt;"&lt;target instruction&gt;"&gt;" "@"&lt;branch target offset&gt;<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/bcel/generic/BranchInstruction.html#toString(boolean)">toString</A></CODE> in class <CODE><A HREF="../../../../org/apache/bcel/generic/BranchInstruction.html">BranchInstruction</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>mnemonic for instruction</DL>
</DD>
</DL>
<HR>

<A NAME="setTarget(int, org.apache.bcel.generic.InstructionHandle)"><!-- --></A><H3>
setTarget</H3>
<PRE>
public void <B>setTarget</B>(int&nbsp;i,
                      <A HREF="../../../../org/apache/bcel/generic/InstructionHandle.html">InstructionHandle</A>&nbsp;target)</PRE>
<DL>
<DD>Set branch target for `i'th case<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="updateTarget(org.apache.bcel.generic.InstructionHandle, org.apache.bcel.generic.InstructionHandle)"><!-- --></A><H3>
updateTarget</H3>
<PRE>
public void <B>updateTarget</B>(<A HREF="../../../../org/apache/bcel/generic/InstructionHandle.html">InstructionHandle</A>&nbsp;old_ih,
                         <A HREF="../../../../org/apache/bcel/generic/InstructionHandle.html">InstructionHandle</A>&nbsp;new_ih)</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/bcel/generic/BranchInstruction.html#updateTarget(org.apache.bcel.generic.InstructionHandle, org.apache.bcel.generic.InstructionHandle)">updateTarget</A></CODE> in class <CODE><A HREF="../../../../org/apache/bcel/generic/BranchInstruction.html">BranchInstruction</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>old_ih</CODE> - old target<DD><CODE>new_ih</CODE> - new target</DL>
</DD>
</DL>
<HR>

<A NAME="containsTarget(org.apache.bcel.generic.InstructionHandle)"><!-- --></A><H3>
containsTarget</H3>
<PRE>
public boolean <B>containsTarget</B>(<A HREF="../../../../org/apache/bcel/generic/InstructionHandle.html">InstructionHandle</A>&nbsp;ih)</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/bcel/generic/BranchInstruction.html#containsTarget(org.apache.bcel.generic.InstructionHandle)">containsTarget</A></CODE> in class <CODE><A HREF="../../../../org/apache/bcel/generic/BranchInstruction.html">BranchInstruction</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true, if ih is target of this instruction</DL>
</DD>
</DL>
<HR>

<A NAME="getMatchs()"><!-- --></A><H3>
getMatchs</H3>
<PRE>
public int[] <B>getMatchs</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>array of match indices</DL>
</DD>
</DL>
<HR>

<A NAME="getIndices()"><!-- --></A><H3>
getIndices</H3>
<PRE>
public int[] <B>getIndices</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>array of match target offsets</DL>
</DD>
</DL>
<HR>

<A NAME="getTargets()"><!-- --></A><H3>
getTargets</H3>
<PRE>
public <A HREF="../../../../org/apache/bcel/generic/InstructionHandle.html">InstructionHandle</A>[] <B>getTargets</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>array of match targets</DL>
</DD>
</DL>
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