public void instructionExecuted(JVM vm) {
ThreadInfo ti = vm.getLastThreadInfo();
Instruction insn = vm.getLastInstruction();
if (insn instanceof VirtualInvocation) {
if (vm.getNextInstruction() != insn) { // otherwise we didn't execute
VirtualInvocation call = (VirtualInvocation) insn;
int ref = call.getCalleeThis(ti);
Record rec = getRecord(ref);
if (rec != null) {
MethodInfo mi = call.getInvokedMethod(ti, ref);
if (logCall) {
log(ti, "invoke %1$s.%2$s", rec.ei, mi.getUniqueName());
}
if (!checkShared(rec, ti, mi, insn)) {
return;
}
}
}
} else if (insn instanceof PUTFIELD) {
PUTFIELD storeInsn = (PUTFIELD) insn;
int ref = storeInsn.getLastThis();
Record rec = getRecord(ref);
if (rec != null) {
FieldInfo fi = storeInsn.getFieldInfo();
if (logPut) {
log(ti, "put %1$s.%2$s = <%3$d>", rec.ei, fi.getName(), storeInsn.getLastValue());
}
if (!checkShared(rec, ti, fi, insn)) {
return;
}
if (!checkConst(rec, ti, fi, insn)) {
return;
}
}
}
}
static String toStringSymbolicRef(MJIEnv env, int objvRef) {
if (objvRef == -1) {
sequence += "[";
sequence += "null";
sequence += "]";
} else {
ClassInfo ci = env.getClassInfo(objvRef);
// ElementInfo ei = DynamicArea.getHeap().get(objvRef);
ElementInfo ei = JVM.getVM().getHeap().get(objvRef);
sequence += "[" + objvRef + "]";
if (!discovered.contains(new Integer(objvRef))) {
discovered.add(new Integer(objvRef));
sequence += "{";
FieldInfo[] fields = ci.getDeclaredInstanceFields();
for (int i = 0; i < fields.length; i++) {
FieldInfo fi = fields[i];
String fname = fi.getName();
Object attr = ei.getFieldAttr(fi);
if (fi instanceof ReferenceFieldInfo) {
// System.out.println("field name " + fname);
sequence += fname + ":";
int ref = env.getReferenceField(objvRef, fname);
// check if field is symbolic
if (attr != null) // we reached a symbolic heap node
sequence += "*";
else toStringSymbolicRef(env, ref);
} else {
// System.out.println("field name " + fname);
if (attr != null) // we reached a symbolic primitive field
sequence += fname + ":" + (Expression) attr + " ";
else {
sequence += fname + ":" + fi.valueToString(ei.getFields()) + " ";
// etc: use FieldInfo.valueToString(fields)
}
}
}
sequence += "}";
}
FieldInfo[] staticFields = ci.getDeclaredStaticFields();
if (staticFields != null && staticFields.length > 0) {
if (!discoveredClasses.contains(ci)) {
sequence += "\n STATICS:";
discoveredClasses.add(ci);
sequence += "{";
for (int i = 0; i < staticFields.length; i++) {
FieldInfo fi = staticFields[i];
String fname = fi.getName();
StaticElementInfo sei = ci.getStaticElementInfo();
if (sei == null) {
ci.registerClass(env.getVM().getCurrentThread());
}
Object attr = sei.getFieldAttr(staticFields[i]);
if (staticFields[i] instanceof ReferenceFieldInfo) {
// System.out.println("field name " + fname);
sequence += fname + ":";
int refStatic = env.getStaticReferenceField(ci.getName(), fname);
if (attr != null) // we reached a symbolic heap node
sequence += "*";
else toStringSymbolicRef(env, refStatic);
} else {
if (attr != null) // we reached a symbolic primitive node
sequence += fname + ":" + (Expression) attr + " ";
else sequence += fname + ":" + fi.valueToString(sei.getFields()) + " ";
}
}
sequence += "}";
}
}
}
return sequence;
}
