public void visitReferenceExpression(GrReferenceExpression refExpr) {
super.visitReferenceExpression(refExpr);
if (myPolicy.isReferenceAccepted(refExpr)) {
String name = refExpr.getReferenceName();
if (name == null) return;
if (ControlFlowUtils.isIncOrDecOperand(refExpr)) {
final InstructionImpl i = new ReadWriteVariableInstruction(name, refExpr, READ);
addNodeAndCheckPending(i);
addNode(new ReadWriteVariableInstruction(name, refExpr, WRITE));
} else {
final int type = PsiUtil.isLValue(refExpr) ? WRITE : READ;
addNodeAndCheckPending(new ReadWriteVariableInstruction(name, refExpr, type));
if (refExpr.getParent() instanceof GrArgumentList
&& refExpr.getParent().getParent() instanceof GrCall) {
addNodeAndCheckPending(new ArgumentInstruction(refExpr));
}
}
}
if (refExpr.isQualified() && !(refExpr.getParent() instanceof GrCall)) {
visitCall(refExpr);
}
}
