File	Doc	Category	Size	Date	Package
InsnLookupSwitch.java	API Doc	Glassfish v2 API	5823	Fri May 04 22:34:28 BST 2007	com.sun.jdo.api.persistence.enhancer.classfile

InsnLookupSwitch

• java.lang.Object
  • Insn

Fields Summary
private InsnTarget	defaultOp
private int[]	matchesOp
private InsnTarget[]	targetsOp

Constructors Summary
public InsnLookupSwitch(InsnTarget defaultOp, int[] matchesOp, InsnTarget[] targetsOp) Constructor for opc_lookupswitch this(defaultOp, matchesOp, targetsOp, NO_OFFSET);
InsnLookupSwitch(InsnTarget defaultOp, int[] matchesOp, InsnTarget[] targetsOp, int offset) super(opc_lookupswitch, offset); this.defaultOp = defaultOp; this.matchesOp = matchesOp; this.targetsOp = targetsOp; if (defaultOp == null || targetsOp == null || matchesOp == null || targetsOp.length != matchesOp.length) throw new InsnError ("attempt to create an opc_lookupswitch" +//NOI18N " with invalid operands");//NOI18N

Methods Summary
public java.lang.String	argTypes() What are the types of the stack operands ? return "I";//NOI18N
public boolean	branches() return true;
public InsnTarget	defaultTarget() Return the defaultTarget for the switch return defaultOp;
public void	markTargets() Mark possible branch targets defaultOp.setBranchTarget(); for (int i=0; i<targetsOp.length; i++) targetsOp[i].setBranchTarget();
public int	nStackArgs() return 1;
public int	nStackResults() return 0;
void	print(java.io.PrintStream out, int indent) ClassPrint.spaces(out, indent); out.println(offset() + " opc_lookupswitch ");//NOI18N for (int i=0; i<matchesOp.length; i++) { ClassPrint.spaces(out, indent+2); out.println(matchesOp[i] + " -> " + targetsOp[i].offset());//NOI18N } ClassPrint.spaces(out, indent+2); out.println("default -> " + defaultOp.offset());//NOI18N
static com.sun.jdo.api.persistence.enhancer.classfile.InsnLookupSwitch	read(InsnReadEnv insnEnv, int myPC) /* eat up any padding */ int thisPC = myPC +1; for (int pads = ((thisPC + 3) & ~3) - thisPC; pads > 0; pads--) insnEnv.getByte(); InsnTarget defaultTarget = insnEnv.getTarget(insnEnv.getInt() + myPC); int npairs = insnEnv.getInt(); int matches[] = new int[npairs]; InsnTarget[] offsets = new InsnTarget[npairs]; for (int i=0; i<npairs; i++) { matches[i] = insnEnv.getInt(); offsets[i] = insnEnv.getTarget(insnEnv.getInt() + myPC); } return new InsnLookupSwitch(defaultTarget, matches, offsets, myPC);
public java.lang.String	resultTypes() What are the types of the stack results? return "";//NOI18N
int	size() /* account for the instruction, 0-3 bytes of pad, 2 ints */ int basic = ((offset() + 4) & ~3) - offset() + 8; /* Add 8*number of offsets */ return basic + targetsOp.length*8;
int	store(byte[] buf, int index) buf[index++] = (byte) opcode(); index = (index + 3) & ~3; index = storeInt(buf, index, defaultOp.offset() - offset()); index = storeInt(buf, index, targetsOp.length); for (int i=0; i<targetsOp.length; i++) { index = storeInt(buf, index, matchesOp[i]); index = storeInt(buf, index, targetsOp[i].offset() - offset()); } return index;
public int[]	switchCases() Return the case values of the switch. return matchesOp;
public InsnTarget[]	switchTargets() Return the targets for the cases of the switch. return targetsOp;