public void setConstErrorMessage() {
MethodInfo mi = insn.getMethodInfo();
StringBuilder sb = new StringBuilder("@Const method violation: ");
sb.append(mi.getFullName());
sb.append("\n\tfield: ");
sb.append(((FieldInfo) use).getFullName());
sb.append("\n\tmethod: ");
sb.append(insn.getSourceLocation());
msg = sb.toString();
}
boolean checkConst(Record rec, ThreadInfo ti, FieldInfo fi, Instruction insn) {
if (checkConst) {
AnnotationInfo ai = insn.getMethodInfo().getAnnotation("gov.nasa.jpf.Const");
if (ai != null) {
violation = new Violation(rec, ti, fi, insn);
violation.setConstErrorMessage();
ti.breakTransition();
return false;
}
}
return true;
}
MethodCoverage getMethodCoverage(JVM vm) {
Instruction insn = vm.getLastInstruction();
if (!insn.isExtendedInstruction()) {
MethodInfo mi = insn.getMethodInfo();
if (mi != lastMi) {
lastMc = null;
lastMi = mi;
ClassInfo ci = mi.getClassInfo();
if (ci != null) {
ClassCoverage cc = classes.get(ci.getName());
if (cc != null) {
lastMc = cc.getMethodCoverage(mi);
}
}
}
return lastMc;
}
return null;
}
public void executeInstruction(JVM vm) {
Instruction insn = vm.getLastInstruction();
MethodInfo mi = insn.getMethodInfo();
ThreadInfo ti = vm.getLastThreadInfo();
if (mi != lastMi) {
logStack(ti);
lastMi = mi;
} else if (insn instanceof InvokeInstruction) {
MethodInfo callee;
// that's the only little gist of it - if this is a VirtualInvocation,
// we have to dig the callee out by ourselves (it's not known
// before execution)
if (insn instanceof VirtualInvocation) {
VirtualInvocation callInsn = (VirtualInvocation) insn;
int objref = callInsn.getCalleeThis(ti);
callee = callInsn.getInvokedMethod(ti, objref);
} else if (insn instanceof INVOKESPECIAL) {
INVOKESPECIAL callInsn = (INVOKESPECIAL) insn;
callee = callInsn.getInvokedMethod(ti);
} else {
InvokeInstruction callInsn = (InvokeInstruction) insn;
callee = callInsn.getInvokedMethod(ti);
}
if (callee != null) {
if (callee.isMJI()) {
logStack(ti);
}
} else {
out.println("ERROR: unknown callee of: " + insn);
}
}
}