com.sun.jdo.api.persistence.enhancer.classfile.InsnLookupSwitch Maven / Gradle / Ivy
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package com.sun.jdo.api.persistence.enhancer.classfile;
import java.io.PrintStream;
/**
* Special instruction form for the opc_lookupswitch instruction
*/
public class InsnLookupSwitch extends Insn {
/* The target for the default case */
private InsnTarget defaultOp;
/* The int constants against which to perform the lookup */
private int[] matchesOp;
/* The branch targets for the cases corresponding to the entries in
* the matchesOp array */
private InsnTarget[] targetsOp;
/* public accessors */
public int nStackArgs() {
return 1;
}
public int nStackResults() {
return 0;
}
/**
* What are the types of the stack operands ?
*/
public String argTypes() {
return "I";//NOI18N
}
/**
* What are the types of the stack results?
*/
public String resultTypes() {
return "";//NOI18N
}
public boolean branches() {
return true;
}
/**
* Mark possible branch targets
*/
public void markTargets() {
defaultOp.setBranchTarget();
for (int i=0; i " + targetsOp[i].offset());//NOI18N
}
ClassPrint.spaces(out, indent+2);
out.println("default -> " + defaultOp.offset());//NOI18N
}
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 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