public void visitAssignmentExpression(GrAssignmentExpression expression) {
GrExpression lValue = expression.getLValue();
if (expression.getOperationTokenType() != mASSIGN) {
if (lValue instanceof GrReferenceExpression
&& myPolicy.isReferenceAccepted((GrReferenceExpression) lValue)) {
String referenceName = ((GrReferenceExpression) lValue).getReferenceName();
if (referenceName != null) {
addNodeAndCheckPending(new ReadWriteVariableInstruction(referenceName, lValue, READ));
}
}
}
GrExpression rValue = expression.getRValue();
if (rValue != null) {
rValue.accept(this);
lValue.accept(this);
}
}
private static boolean assignmentExpressionsAreEquivalent(
@NotNull GrAssignmentExpression assignExp1, @NotNull GrAssignmentExpression assignExp2) {
final IElementType sign1 = assignExp1.getOperationToken();
final IElementType sign2 = assignExp2.getOperationToken();
if (!sign1.equals(sign2)) {
return false;
}
final GrExpression lhs1 = assignExp1.getLValue();
final GrExpression lhs2 = assignExp2.getLValue();
final GrExpression rhs1 = assignExp1.getRValue();
final GrExpression rhs2 = assignExp2.getRValue();
return expressionsAreEquivalent(lhs1, lhs2) && expressionsAreEquivalent(rhs1, rhs2);
}
