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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Sat Dec 15 07:40:18 EST 2001 --><TITLE>bcel API: Interface InstructionContext</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/InstructionContext.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV CLASS <A HREF="../../../../../org/apache/bcel/verifier/structurals/Subroutine.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="InstructionContext.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.apache.bcel.verifier.structurals</FONT><BR>Interface InstructionContext</H2><HR><DL><DT>public interface <B>InstructionContext</B></DL><P>An InstructionContext offers convenient access to information like control flow successors and such.<P><DL><DT><B>Version: </B><DD>$Id: InstructionContext.java,v 1.1.1.1 2001/10/29 20:00:41 jvanzyl Exp $</DD><DT><B>Author: </B><DD><A HREF="http://www.inf.fu-berlin.de/~ehaase"/>Enver Haase</A></DD></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/apache/bcel/verifier/structurals/InstructionContext.html#execute(org.apache.bcel.verifier.structurals.Frame, java.util.ArrayList, org.apache.bcel.verifier.structurals.InstConstraintVisitor, org.apache.bcel.verifier.structurals.ExecutionVisitor)">execute</A></B>(<A HREF="../../../../../org/apache/bcel/verifier/structurals/Frame.html">Frame</A> inFrame, java.util.ArrayList executionPredecessors, <A HREF="../../../../../org/apache/bcel/verifier/structurals/InstConstraintVisitor.html">InstConstraintVisitor</A> icv, <A HREF="../../../../../org/apache/bcel/verifier/structurals/ExecutionVisitor.html">ExecutionVisitor</A> ev)</CODE><BR> This method symbolically executes the Instruction held in the InstructionContext.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../org/apache/bcel/verifier/structurals/ExceptionHandler.html">ExceptionHandler</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/apache/bcel/verifier/structurals/InstructionContext.html#getExceptionHandlers()">getExceptionHandlers</A></B>()</CODE><BR> Returns the exception handlers that protect this instruction.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../org/apache/bcel/generic/InstructionHandle.html">InstructionHandle</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/apache/bcel/verifier/structurals/InstructionContext.html#getInstruction()">getInstruction</A></B>()</CODE><BR> Returns the InstructionHandle this InstructionContext is wrapped around.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../org/apache/bcel/verifier/structurals/Frame.html">Frame</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/apache/bcel/verifier/structurals/InstructionContext.html#getOutFrame(java.util.ArrayList)">getOutFrame</A></B>(java.util.ArrayList executionPredecessors)</CODE><BR> This method returns the outgoing execution frame situation; therefore <B>it has to be calculated by execute(Frame, ArrayList) first.</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../org/apache/bcel/verifier/structurals/InstructionContext.html">InstructionContext</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/apache/bcel/verifier/structurals/InstructionContext.html#getSuccessors()">getSuccessors</A></B>()</CODE><BR> Returns the usual control flow successors.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/apache/bcel/verifier/structurals/InstructionContext.html#getTag()">getTag</A></B>()</CODE><BR> The getTag and setTag methods may be used for temporary flagging, such as graph colouring.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/apache/bcel/verifier/structurals/InstructionContext.html#setTag(int)">setTag</A></B>(int tag)</CODE><BR> The getTag and setTag methods may be used for temporary flagging, such as graph colouring.</TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== -->⌨️ 快捷键说明
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