public void visitIincInsn(int var, int increment) {
// IINC counts as a read and a write but we need to regard it as a read, increment and then
// write back
// so we trigger AT READ, AFTER READ and AT WRITE before the IINC and AFTER WRITE after the
// IINC
boolean ruleIsAfterWrite = ((flags & Location.ACCESS_WRITE) != 0 && whenComplete);
if (ruleIsAfterWrite) {
// trigger comes after the IINC
super.visitIincInsn(var, increment);
}
if (var == index) {
// n.b. no need to check if we are in a Byteman trigegr as we never inject IINC into trigger
// regions
if ((count == 0 || (visitedCount < count))) {
// a relevant invocation occurs in the called method
visitedCount++;
if (!latched && (count == 0 || visitedCount == count)) {
injectTriggerPoint();
}
}
}
if (!ruleIsAfterWrite) {
// trigger comes before the IINC
super.visitIincInsn(var, increment);
}
}
@Override
public void visitVarInsn(int opcode, int var) {
// this instruction can be called during trigger injection
// if we in a trigger region then we don't want to re-enter
// trigger injection or count this visit
if (inBytemanTrigger()) {
super.visitVarInsn(opcode, var);
} else {
if (whenComplete) {
super.visitVarInsn(opcode, var);
}
if (var == index) {
if ((count == 0 || (visitedCount < count)) && matchCall(opcode)) {
// a relevant invocation occurs in the called method
visitedCount++;
if (!latched && (count == 0 || visitedCount == count)) {
injectTriggerPoint();
}
}
}
if (!whenComplete) {
super.visitVarInsn(opcode, var);
}
}
}
