methodgen.html

一个用于对.class文件进行插桩的开源工具

<A NAME="getLocalVariableTable(org.apache.bcel.generic.ConstantPoolGen)"><!-- --></A><H3>
getLocalVariableTable</H3>
<PRE>
public <A HREF="../../../../org/apache/bcel/classfile/LocalVariableTable.html">LocalVariableTable</A> <B>getLocalVariableTable</B>(<A HREF="../../../../org/apache/bcel/generic/ConstantPoolGen.html">ConstantPoolGen</A>&nbsp;cp)</PRE>
<DL>
<DD><DL>
<DT><B>Returns:</B><DD>`LocalVariableTable' attribute of all the local variables of this method.</DL>
</DD>
</DL>
<HR>

<A NAME="addLineNumber(org.apache.bcel.generic.InstructionHandle, int)"><!-- --></A><H3>
addLineNumber</H3>
<PRE>
public <A HREF="../../../../org/apache/bcel/generic/LineNumberGen.html">LineNumberGen</A> <B>addLineNumber</B>(<A HREF="../../../../org/apache/bcel/generic/InstructionHandle.html">InstructionHandle</A>&nbsp;ih,
                                   int&nbsp;src_line)</PRE>
<DL>
<DD>Give an instruction a line number corresponding to the source code line.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ih</CODE> - instruction to tag<DT><B>Returns:</B><DD>new line number object<DT><B>See Also: </B><DD><A HREF="../../../../org/apache/bcel/classfile/LineNumber.html"><CODE>LineNumber</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="removeLineNumber(org.apache.bcel.generic.LineNumberGen)"><!-- --></A><H3>
removeLineNumber</H3>
<PRE>
public void <B>removeLineNumber</B>(<A HREF="../../../../org/apache/bcel/generic/LineNumberGen.html">LineNumberGen</A>&nbsp;l)</PRE>
<DL>
<DD>Remove a line number.</DL>
<HR>

<A NAME="removeLineNumbers()"><!-- --></A><H3>
removeLineNumbers</H3>
<PRE>
public void <B>removeLineNumbers</B>()</PRE>
<DL>
<DD>Remove all line numbers.</DL>
<HR>

<A NAME="getLineNumbers()"><!-- --></A><H3>
getLineNumbers</H3>
<PRE>
public <A HREF="../../../../org/apache/bcel/generic/LineNumberGen.html">LineNumberGen</A>[] <B>getLineNumbers</B>()</PRE>
<DL>
</DL>
<HR>

<A NAME="getLineNumberTable(org.apache.bcel.generic.ConstantPoolGen)"><!-- --></A><H3>
getLineNumberTable</H3>
<PRE>
public <A HREF="../../../../org/apache/bcel/classfile/LineNumberTable.html">LineNumberTable</A> <B>getLineNumberTable</B>(<A HREF="../../../../org/apache/bcel/generic/ConstantPoolGen.html">ConstantPoolGen</A>&nbsp;cp)</PRE>
<DL>
<DD><DL>
<DT><B>Returns:</B><DD>`LineNumberTable' attribute of all the local variables of this method.</DL>
</DD>
</DL>
<HR>

<A NAME="addExceptionHandler(org.apache.bcel.generic.InstructionHandle, org.apache.bcel.generic.InstructionHandle, org.apache.bcel.generic.InstructionHandle, org.apache.bcel.generic.ObjectType)"><!-- --></A><H3>
addExceptionHandler</H3>
<PRE>
public <A HREF="../../../../org/apache/bcel/generic/CodeExceptionGen.html">CodeExceptionGen</A> <B>addExceptionHandler</B>(<A HREF="../../../../org/apache/bcel/generic/InstructionHandle.html">InstructionHandle</A>&nbsp;start_pc,
                                            <A HREF="../../../../org/apache/bcel/generic/InstructionHandle.html">InstructionHandle</A>&nbsp;end_pc,
                                            <A HREF="../../../../org/apache/bcel/generic/InstructionHandle.html">InstructionHandle</A>&nbsp;handler_pc,
                                            <A HREF="../../../../org/apache/bcel/generic/ObjectType.html">ObjectType</A>&nbsp;catch_type)</PRE>
<DL>
<DD>Add an exception handler, i.e., specify region where a handler is active and an
 instruction where the actual handling is done.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>start_pc</CODE> - Start of region (inclusive)<DD><CODE>end_pc</CODE> - End of region (inclusive)<DD><CODE>handler_pc</CODE> - Where handling is done<DD><CODE>catch_type</CODE> - fully qualified class name of handled exception or null if any
 exception is handled<DT><B>Returns:</B><DD>new exception handler object</DL>
</DD>
</DL>
<HR>

<A NAME="removeExceptionHandler(org.apache.bcel.generic.CodeExceptionGen)"><!-- --></A><H3>
removeExceptionHandler</H3>
<PRE>
public void <B>removeExceptionHandler</B>(<A HREF="../../../../org/apache/bcel/generic/CodeExceptionGen.html">CodeExceptionGen</A>&nbsp;c)</PRE>
<DL>
<DD>Remove an exception handler.</DL>
<HR>

<A NAME="removeExceptionHandlers()"><!-- --></A><H3>
removeExceptionHandlers</H3>
<PRE>
public void <B>removeExceptionHandlers</B>()</PRE>
<DL>
<DD>Remove all line numbers.</DL>
<HR>

<A NAME="getExceptionHandlers()"><!-- --></A><H3>
getExceptionHandlers</H3>
<PRE>
public <A HREF="../../../../org/apache/bcel/generic/CodeExceptionGen.html">CodeExceptionGen</A>[] <B>getExceptionHandlers</B>()</PRE>
<DL>
</DL>
<HR>

<A NAME="addException(java.lang.String)"><!-- --></A><H3>
addException</H3>
<PRE>
public void <B>addException</B>(java.lang.String&nbsp;class_name)</PRE>
<DL>
<DD>Add an exception possibly thrown by this method.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>class_name</CODE> - (fully qualified) name of exception</DL>
</DD>
</DL>
<HR>

<A NAME="removeException(java.lang.String)"><!-- --></A><H3>
removeException</H3>
<PRE>
public void <B>removeException</B>(java.lang.String&nbsp;c)</PRE>
<DL>
<DD>Remove an exception.</DL>
<HR>

<A NAME="removeExceptions()"><!-- --></A><H3>
removeExceptions</H3>
<PRE>
public void <B>removeExceptions</B>()</PRE>
<DL>
<DD>Remove all exceptions.</DL>
<HR>

<A NAME="getExceptions()"><!-- --></A><H3>
getExceptions</H3>
<PRE>
public java.lang.String[] <B>getExceptions</B>()</PRE>
<DL>
</DL>
<HR>

<A NAME="addCodeAttribute(org.apache.bcel.classfile.Attribute)"><!-- --></A><H3>
addCodeAttribute</H3>
<PRE>
public void <B>addCodeAttribute</B>(<A HREF="../../../../org/apache/bcel/classfile/Attribute.html">Attribute</A>&nbsp;a)</PRE>
<DL>
<DD>Add an attribute to the code. Currently, the JVM knows about the
 LineNumberTable, LocalVariableTable and StackMap attributes,
 where the former two will be generated automatically and the
 latter is used for the MIDP only. Other attributes will be
 ignored by the JVM but do no harm.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>a</CODE> - attribute to be added</DL>
</DD>
</DL>
<HR>

<A NAME="removeCodeAttribute(org.apache.bcel.classfile.Attribute)"><!-- --></A><H3>
removeCodeAttribute</H3>
<PRE>
public void <B>removeCodeAttribute</B>(<A HREF="../../../../org/apache/bcel/classfile/Attribute.html">Attribute</A>&nbsp;a)</PRE>
<DL>
<DD>Remove a code attribute.</DL>
<HR>

<A NAME="removeCodeAttributes()"><!-- --></A><H3>
removeCodeAttributes</H3>
<PRE>
public void <B>removeCodeAttributes</B>()</PRE>
<DL>
<DD>Remove all code attributes.</DL>
<HR>

<A NAME="getCodeAttributes()"><!-- --></A><H3>
getCodeAttributes</H3>
<PRE>
public <A HREF="../../../../org/apache/bcel/classfile/Attribute.html">Attribute</A>[] <B>getCodeAttributes</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Returns:</B><DD>all attributes of this method.</DL>
</DD>
</DL>
<HR>

<A NAME="getMethod()"><!-- --></A><H3>
getMethod</H3>
<PRE>
public <A HREF="../../../../org/apache/bcel/classfile/Method.html">Method</A> <B>getMethod</B>()</PRE>
<DL>
<DD>Get method object. Never forget to call setMaxStack() or setMaxStack(max), respectively,
 before calling this method (the same applies for max locals).<DD><DL>
<DT><B>Returns:</B><DD>method object</DL>
</DD>
</DL>
<HR>

<A NAME="removeNOPs()"><!-- --></A><H3>
removeNOPs</H3>
<PRE>
public void <B>removeNOPs</B>()</PRE>
<DL>
<DD>Remove all NOPs from the instruction list (if possible) and update every
 object refering to them, i.e., branch instructions, local variables and
 exception handlers.</DL>
<HR>

<A NAME="setMaxLocals(int)"><!-- --></A><H3>
setMaxLocals</H3>
<PRE>
public void <B>setMaxLocals</B>(int&nbsp;m)</PRE>
<DL>
<DD>Set maximum number of local variables.</DL>
<HR>

<A NAME="getMaxLocals()"><!-- --></A><H3>
getMaxLocals</H3>
<PRE>
public int <B>getMaxLocals</B>()</PRE>
<DL>
</DL>
<HR>

<A NAME="setMaxStack(int)"><!-- --></A><H3>
setMaxStack</H3>
<PRE>
public void <B>setMaxStack</B>(int&nbsp;m)</PRE>
<DL>
<DD>Set maximum stack size for this method.</DL>
<HR>

<A NAME="getMaxStack()"><!-- --></A><H3>
getMaxStack</H3>
<PRE>
public int <B>getMaxStack</B>()</PRE>
<DL>
</DL>
<HR>

<A NAME="getClassName()"><!-- --></A><H3>
getClassName</H3>
<PRE>
public java.lang.String <B>getClassName</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Returns:</B><DD>class that contains this method</DL>
</DD>
</DL>
<HR>

<A NAME="setClassName(java.lang.String)"><!-- --></A><H3>
setClassName</H3>
<PRE>
public void <B>setClassName</B>(java.lang.String&nbsp;class_name)</PRE>
<DL>
</DL>
<HR>

<A NAME="setReturnType(org.apache.bcel.generic.Type)"><!-- --></A><H3>
setReturnType</H3>