boolean (@NotNull PsiAssignmentExpression assignment, @NotNull PsiVariable variable, int stamp, @NotNull Set<MethodSignature> checkedMethods) { final PsiExpression lhs = PsiUtil.skipParenthesizedExprDown(assignment.getLExpression()); if (expressionAssignsVariable(lhs, variable, stamp, checkedMethods)) { return true; } final PsiExpression rhs = assignment.getRExpression(); if (expressionAssignsVariable(rhs, variable, stamp, checkedMethods)) { return true; } if (lhs instanceof PsiReferenceExpression) { final PsiElement element = ((PsiReference)lhs).resolve(); if (element != null && element.equals(variable)) { return true; } } return false; }