invokeinstruction.html

一个用于对.class文件进行插桩的开源工具

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<TD><B>Methods inherited from class org.apache.bcel.generic.<A HREF="../../../../org/apache/bcel/generic/Instruction.html">Instruction</A></B></TD>
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<TD><CODE><A HREF="../../../../org/apache/bcel/generic/Instruction.html#accept(org.apache.bcel.generic.Visitor)">accept</A>, <A HREF="../../../../org/apache/bcel/generic/Instruction.html#copy()">copy</A>, <A HREF="../../../../org/apache/bcel/generic/Instruction.html#getLength()">getLength</A>, <A HREF="../../../../org/apache/bcel/generic/Instruction.html#getOpcode()">getOpcode</A>, <A HREF="../../../../org/apache/bcel/generic/Instruction.html#readInstruction(org.apache.bcel.util.ByteSequence)">readInstruction</A>, <A HREF="../../../../org/apache/bcel/generic/Instruction.html#toString()">toString</A></CODE></TD>
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<TD><B>Methods inherited from class java.lang.Object</B></TD>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD>
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<TD><CODE><A HREF="../../../../org/apache/bcel/generic/ExceptionThrower.html#getExceptions()">getExceptions</A></CODE></TD>
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<!-- ============ FIELD DETAIL =========== -->


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

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="InvokeInstruction(short, int)"><!-- --></A><H3>
InvokeInstruction</H3>
<PRE>
protected <B>InvokeInstruction</B>(short&nbsp;opcode,
                            int&nbsp;index)</PRE>
<DL>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - to constant pool</DL>
</DD>
</DL>

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<A NAME="toString(org.apache.bcel.classfile.ConstantPool)"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>(<A HREF="../../../../org/apache/bcel/classfile/ConstantPool.html">ConstantPool</A>&nbsp;cp)</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/bcel/generic/CPInstruction.html#toString(org.apache.bcel.classfile.ConstantPool)">toString</A></CODE> in class <CODE><A HREF="../../../../org/apache/bcel/generic/CPInstruction.html">CPInstruction</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>mnemonic for instruction with symbolic references resolved</DL>
</DD>
</DL>
<HR>

<A NAME="consumeStack(org.apache.bcel.generic.ConstantPoolGen)"><!-- --></A><H3>
consumeStack</H3>
<PRE>
public int <B>consumeStack</B>(<A HREF="../../../../org/apache/bcel/generic/ConstantPoolGen.html">ConstantPoolGen</A>&nbsp;cpg)</PRE>
<DL>
<DD>Also works for instructions whose stack effect depends on the
 constant pool entry they reference.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../../../org/apache/bcel/generic/StackConsumer.html#consumeStack(org.apache.bcel.generic.ConstantPoolGen)">consumeStack</A></CODE> in interface <CODE><A HREF="../../../../org/apache/bcel/generic/StackConsumer.html">StackConsumer</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/bcel/generic/Instruction.html#consumeStack(org.apache.bcel.generic.ConstantPoolGen)">consumeStack</A></CODE> in class <CODE><A HREF="../../../../org/apache/bcel/generic/Instruction.html">Instruction</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>Number of words consumed from stack by this instruction</DL>
</DD>
</DL>
<HR>

<A NAME="produceStack(org.apache.bcel.generic.ConstantPoolGen)"><!-- --></A><H3>
produceStack</H3>
<PRE>
public int <B>produceStack</B>(<A HREF="../../../../org/apache/bcel/generic/ConstantPoolGen.html">ConstantPoolGen</A>&nbsp;cpg)</PRE>
<DL>
<DD>Also works for instructions whose stack effect depends on the
 constant pool entry they reference.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../../../org/apache/bcel/generic/StackProducer.html#produceStack(org.apache.bcel.generic.ConstantPoolGen)">produceStack</A></CODE> in interface <CODE><A HREF="../../../../org/apache/bcel/generic/StackProducer.html">StackProducer</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/bcel/generic/Instruction.html#produceStack(org.apache.bcel.generic.ConstantPoolGen)">produceStack</A></CODE> in class <CODE><A HREF="../../../../org/apache/bcel/generic/Instruction.html">Instruction</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>Number of words produced onto stack by this instruction</DL>
</DD>
</DL>
<HR>

<A NAME="getType(org.apache.bcel.generic.ConstantPoolGen)"><!-- --></A><H3>
getType</H3>
<PRE>
public <A HREF="../../../../org/apache/bcel/generic/Type.html">Type</A> <B>getType</B>(<A HREF="../../../../org/apache/bcel/generic/ConstantPoolGen.html">ConstantPoolGen</A>&nbsp;cpg)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/bcel/generic/LoadClass.html">LoadClass</A></CODE></B></DD>
<DD>Returns the type associated with this instruction.
 LoadClass instances are always typed, but this type
 does not always refer to the type of the class or interface
 that it possibly forces to load. For example, GETFIELD would
 return the type of the field and not the type of the class
 where the field is defined.
 If no class is forced to be loaded, <B>null</B> is returned.
 An example for this is an ANEWARRAY instruction that creates
 an int[][].<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../../../org/apache/bcel/generic/TypedInstruction.html#getType(org.apache.bcel.generic.ConstantPoolGen)">getType</A></CODE> in interface <CODE><A HREF="../../../../org/apache/bcel/generic/TypedInstruction.html">TypedInstruction</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/bcel/generic/CPInstruction.html#getType(org.apache.bcel.generic.ConstantPoolGen)">getType</A></CODE> in class <CODE><A HREF="../../../../org/apache/bcel/generic/CPInstruction.html">CPInstruction</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>return type of referenced method.</DL>
</DD>
</DL>
<HR>

<A NAME="getMethodName(org.apache.bcel.generic.ConstantPoolGen)"><!-- --></A><H3>
getMethodName</H3>
<PRE>
public java.lang.String <B>getMethodName</B>(<A HREF="../../../../org/apache/bcel/generic/ConstantPoolGen.html">ConstantPoolGen</A>&nbsp;cpg)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>name of referenced method.</DL>
</DD>
</DL>
<HR>

<A NAME="getReturnType(org.apache.bcel.generic.ConstantPoolGen)"><!-- --></A><H3>
getReturnType</H3>
<PRE>
public <A HREF="../../../../org/apache/bcel/generic/Type.html">Type</A> <B>getReturnType</B>(<A HREF="../../../../org/apache/bcel/generic/ConstantPoolGen.html">ConstantPoolGen</A>&nbsp;cpg)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>return type of referenced method.</DL>
</DD>
</DL>
<HR>

<A NAME="getArgumentTypes(org.apache.bcel.generic.ConstantPoolGen)"><!-- --></A><H3>
getArgumentTypes</H3>
<PRE>
public <A HREF="../../../../org/apache/bcel/generic/Type.html">Type</A>[] <B>getArgumentTypes</B>(<A HREF="../../../../org/apache/bcel/generic/ConstantPoolGen.html">ConstantPoolGen</A>&nbsp;cpg)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>argument types of referenced method.</DL>
</DD>
</DL>
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