private static void removeParensFromAssignmentExpression(
@NotNull PsiAssignmentExpression assignment, boolean ignoreClarifyingParentheses) {
final PsiExpression lhs = assignment.getLExpression();
final PsiExpression rhs = assignment.getRExpression();
removeParentheses(lhs, ignoreClarifyingParentheses);
if (rhs != null) {
removeParentheses(rhs, ignoreClarifyingParentheses);
}
}
private static void removeParensFromMethodCallExpression(
@NotNull PsiMethodCallExpression methodCallExpression, boolean ignoreClarifyingParentheses) {
final PsiReferenceExpression target = methodCallExpression.getMethodExpression();
final PsiExpressionList argumentList = methodCallExpression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
removeParentheses(target, ignoreClarifyingParentheses);
for (final PsiExpression argument : arguments) {
removeParentheses(argument, ignoreClarifyingParentheses);
}
}
private static void removeParensFromArrayAccessExpression(
@NotNull PsiArrayAccessExpression arrayAccessExpression,
boolean ignoreClarifyingParentheses) {
final PsiExpression arrayExpression = arrayAccessExpression.getArrayExpression();
removeParentheses(arrayExpression, ignoreClarifyingParentheses);
final PsiExpression indexExpression = arrayAccessExpression.getIndexExpression();
if (indexExpression != null) {
removeParentheses(indexExpression, ignoreClarifyingParentheses);
}
}
private static void removeParensFromConditionalExpression(
@NotNull PsiConditionalExpression conditionalExpression,
boolean ignoreClarifyingParentheses) {
final PsiExpression condition = conditionalExpression.getCondition();
removeParentheses(condition, ignoreClarifyingParentheses);
final PsiExpression thenBranch = conditionalExpression.getThenExpression();
if (thenBranch != null) {
removeParentheses(thenBranch, ignoreClarifyingParentheses);
}
final PsiExpression elseBranch = conditionalExpression.getElseExpression();
if (elseBranch != null) {
removeParentheses(elseBranch, ignoreClarifyingParentheses);
}
}
private static void removeParensFromTypeCastExpression(
@NotNull PsiTypeCastExpression typeCastExpression, boolean ignoreClarifyingParentheses) {
final PsiExpression operand = typeCastExpression.getOperand();
if (operand != null) {
removeParentheses(operand, ignoreClarifyingParentheses);
}
}
private static void removeParensFromReferenceExpression(
@NotNull PsiReferenceExpression referenceExpression, boolean ignoreClarifyingParentheses) {
final PsiExpression qualifier = referenceExpression.getQualifierExpression();
if (qualifier != null) {
removeParentheses(qualifier, ignoreClarifyingParentheses);
}
}
private static void removeParensFromArrayInitializerExpression(
@NotNull PsiArrayInitializerExpression arrayInitializerExpression,
boolean ignoreClarifyingParentheses) {
final PsiExpression[] initializers = arrayInitializerExpression.getInitializers();
for (final PsiExpression initializer : initializers) {
removeParentheses(initializer, ignoreClarifyingParentheses);
}
}
private static void removeParensFromNewExpression(
@NotNull PsiNewExpression newExpression, boolean ignoreClarifyingParentheses) {
final PsiExpression[] dimensions = newExpression.getArrayDimensions();
for (PsiExpression dimension : dimensions) {
removeParentheses(dimension, ignoreClarifyingParentheses);
}
final PsiExpression qualifier = newExpression.getQualifier();
if (qualifier != null) {
removeParentheses(qualifier, ignoreClarifyingParentheses);
}
final PsiExpression arrayInitializer = newExpression.getArrayInitializer();
if (arrayInitializer != null) {
removeParentheses(arrayInitializer, ignoreClarifyingParentheses);
}
final PsiExpressionList argumentList = newExpression.getArgumentList();
if (argumentList != null) {
final PsiExpression[] arguments = argumentList.getExpressions();
for (PsiExpression argument : arguments) {
removeParentheses(argument, ignoreClarifyingParentheses);
}
}
}
private static void removeParensFromPostfixExpression(
@NotNull PsiPostfixExpression postfixExpression, boolean ignoreClarifyingParentheses) {
final PsiExpression operand = postfixExpression.getOperand();
removeParentheses(operand, ignoreClarifyingParentheses);
}
private static void removeParensFromPolyadicExpression(
@NotNull PsiPolyadicExpression polyadicExpression, boolean ignoreClarifyingParentheses) {
for (PsiExpression operand : polyadicExpression.getOperands()) {
removeParentheses(operand, ignoreClarifyingParentheses);
}
}
private static void removeParensFromInstanceOfExpression(
@NotNull PsiInstanceOfExpression instanceofExpression, boolean ignoreClarifyingParentheses) {
final PsiExpression operand = instanceofExpression.getOperand();
removeParentheses(operand, ignoreClarifyingParentheses);
}
private static void removeParensFromParenthesizedExpression(
@NotNull PsiParenthesizedExpression parenthesizedExpression,
boolean ignoreClarifyingParentheses) {
final PsiExpression body = parenthesizedExpression.getExpression();
if (body == null) {
parenthesizedExpression.delete();
return;
}
final PsiElement parent = parenthesizedExpression.getParent();
if (!(parent instanceof PsiExpression)
|| parent instanceof PsiParenthesizedExpression
|| parent instanceof PsiArrayInitializerExpression) {
final PsiExpression newExpression = (PsiExpression) parenthesizedExpression.replace(body);
removeParentheses(newExpression, ignoreClarifyingParentheses);
return;
} else if (parent instanceof PsiArrayAccessExpression) {
final PsiArrayAccessExpression arrayAccessExpression = (PsiArrayAccessExpression) parent;
if (parenthesizedExpression == arrayAccessExpression.getIndexExpression()) {
// use addAfter() + delete() instead of replace() to
// workaround automatic insertion of parentheses by psi
final PsiExpression newExpression =
(PsiExpression) parent.addAfter(body, parenthesizedExpression);
parenthesizedExpression.delete();
removeParentheses(newExpression, ignoreClarifyingParentheses);
return;
}
}
final PsiExpression parentExpression = (PsiExpression) parent;
final int parentPrecedence = getPrecedence(parentExpression);
final int childPrecedence = getPrecedence(body);
if (parentPrecedence < childPrecedence) {
final PsiElement bodyParent = body.getParent();
final PsiParenthesizedExpression newParenthesizedExpression =
(PsiParenthesizedExpression) parenthesizedExpression.replace(bodyParent);
final PsiExpression expression = newParenthesizedExpression.getExpression();
if (expression != null) {
removeParentheses(expression, ignoreClarifyingParentheses);
}
} else if (parentPrecedence == childPrecedence) {
if (parentExpression instanceof PsiPolyadicExpression
&& body instanceof PsiPolyadicExpression) {
final PsiPolyadicExpression parentPolyadicExpression =
(PsiPolyadicExpression) parentExpression;
final IElementType parentOperator = parentPolyadicExpression.getOperationTokenType();
final PsiPolyadicExpression bodyPolyadicExpression = (PsiPolyadicExpression) body;
final IElementType bodyOperator = bodyPolyadicExpression.getOperationTokenType();
final PsiType parentType = parentPolyadicExpression.getType();
final PsiType bodyType = body.getType();
if (parentType != null
&& parentType.equals(bodyType)
&& parentOperator.equals(bodyOperator)) {
final PsiExpression[] parentOperands = parentPolyadicExpression.getOperands();
if (PsiTreeUtil.isAncestor(parentOperands[0], body, true)
|| isCommutativeOperator(bodyOperator)) {
// use addAfter() + delete() instead of replace() to
// workaround automatic insertion of parentheses by psi
final PsiExpression newExpression =
(PsiExpression) parent.addAfter(body, parenthesizedExpression);
parenthesizedExpression.delete();
removeParentheses(newExpression, ignoreClarifyingParentheses);
return;
}
}
if (ignoreClarifyingParentheses) {
if (parentOperator.equals(bodyOperator)) {
removeParentheses(body, ignoreClarifyingParentheses);
}
} else {
final PsiExpression newExpression = (PsiExpression) parenthesizedExpression.replace(body);
removeParentheses(newExpression, ignoreClarifyingParentheses);
}
} else {
final PsiExpression newExpression = (PsiExpression) parenthesizedExpression.replace(body);
removeParentheses(newExpression, ignoreClarifyingParentheses);
}
} else {
if (ignoreClarifyingParentheses
&& parent instanceof PsiPolyadicExpression
&& (body instanceof PsiPolyadicExpression || body instanceof PsiInstanceOfExpression)) {
removeParentheses(body, ignoreClarifyingParentheses);
} else {
final PsiExpression newExpression = (PsiExpression) parenthesizedExpression.replace(body);
removeParentheses(newExpression, ignoreClarifyingParentheses);
}
}
}