public static @NotNull PsiType getOOType(PsiType left, PsiType right, PsiJavaToken op) {
if (op == null) return NoType;
String methodname = OOMethods.binary.get(op.getText());
if (methodname != null && right != null) {
PsiType res = resolveMethod(left, methodname, right);
if (res == null) res = resolveMethod(right, methodname + OOMethods.revSuffix, left);
if (res != null)
if (OOMethods.compareTo.equals(methodname)) return PsiType.BOOLEAN;
else return res;
}
return NoType;
}
@Nullable
static PsiPolyadicExpression getSubexpression(
PsiPolyadicExpression expression, PsiJavaToken token) {
final PsiExpression[] operands = expression.getOperands();
if (operands.length == 2) {
return expression;
}
for (int i = 1; i < operands.length; i++) {
final PsiExpression operand = operands[i];
final PsiJavaToken currentToken = expression.getTokenBeforeOperand(operand);
if (currentToken == token) {
final String binaryExpressionText =
operands[i - 1].getText() + ' ' + token.getText() + ' ' + operand.getText();
final PsiElementFactory factory = JavaPsiFacade.getElementFactory(expression.getProject());
return (PsiPolyadicExpression)
factory.createExpressionFromText(binaryExpressionText, expression);
}
}
return null;
}
@Nullable
private static String buildFromOffsetText(PsiExpression expression, PsiLocalVariable variable)
throws IncorrectOperationException {
expression = ParenthesesUtils.stripParentheses(expression);
if (expression == null) {
return null;
}
final String expressionText = expression.getText();
final String variableName = variable.getName();
if (expressionText.equals(variableName)) {
final PsiExpression initialValue = variable.getInitializer();
if (initialValue == null) {
return null;
}
return initialValue.getText();
}
if (expression instanceof PsiBinaryExpression) {
final PsiBinaryExpression binaryExpression = (PsiBinaryExpression) expression;
final PsiExpression lhs = binaryExpression.getLOperand();
final PsiExpression rhs = binaryExpression.getROperand();
final String rhsText = buildFromOffsetText(rhs, variable);
final PsiJavaToken sign = binaryExpression.getOperationSign();
final IElementType tokenType = sign.getTokenType();
if (ExpressionUtils.isZero(lhs)) {
if (tokenType.equals(JavaTokenType.MINUS)) {
return '-' + rhsText;
}
return rhsText;
}
final String lhsText = buildFromOffsetText(lhs, variable);
if (ExpressionUtils.isZero(rhs)) {
return lhsText;
}
return collapseConstant(lhsText + sign.getText() + rhsText, variable);
}
return collapseConstant(expression.getText(), variable);
}
public boolean processUsage(
@NotNull EncapsulateFieldUsageInfo usage,
@NotNull EncapsulateFieldsDescriptor descriptor,
PsiMethod setter,
PsiMethod getter) {
final PsiElement element = usage.getElement();
if (!(element instanceof PsiReferenceExpression)) return false;
final FieldDescriptor fieldDescriptor = usage.getFieldDescriptor();
PsiField field = fieldDescriptor.getField();
boolean processGet = descriptor.isToEncapsulateGet();
boolean processSet =
descriptor.isToEncapsulateSet() && !field.hasModifierProperty(PsiModifier.FINAL);
if (!processGet && !processSet) return true;
PsiElementFactory factory =
JavaPsiFacade.getInstance(descriptor.getTargetClass().getProject()).getElementFactory();
try {
final PsiReferenceExpression expr = (PsiReferenceExpression) element;
final PsiElement parent = expr.getParent();
if (parent instanceof PsiAssignmentExpression
&& expr.equals(((PsiAssignmentExpression) parent).getLExpression())) {
PsiAssignmentExpression assignment = (PsiAssignmentExpression) parent;
if (assignment.getRExpression() == null) return true;
PsiJavaToken opSign = assignment.getOperationSign();
IElementType opType = opSign.getTokenType();
if (opType == JavaTokenType.EQ) {
{
if (!processSet) return true;
final PsiExpression setterArgument = assignment.getRExpression();
PsiMethodCallExpression methodCall =
createSetterCall(
fieldDescriptor, setterArgument, expr, descriptor.getTargetClass(), setter);
if (methodCall != null) {
assignment.replace(methodCall);
}
// TODO: check if value is used!!!
}
} else if (opType == JavaTokenType.ASTERISKEQ
|| opType == JavaTokenType.DIVEQ
|| opType == JavaTokenType.PERCEQ
|| opType == JavaTokenType.PLUSEQ
|| opType == JavaTokenType.MINUSEQ
|| opType == JavaTokenType.LTLTEQ
|| opType == JavaTokenType.GTGTEQ
|| opType == JavaTokenType.GTGTGTEQ
|| opType == JavaTokenType.ANDEQ
|| opType == JavaTokenType.OREQ
|| opType == JavaTokenType.XOREQ) {
{
// Q: side effects of qualifier??!
String opName = opSign.getText();
LOG.assertTrue(StringUtil.endsWithChar(opName, '='));
opName = opName.substring(0, opName.length() - 1);
PsiExpression getExpr = expr;
if (processGet) {
final PsiMethodCallExpression getterCall =
createGetterCall(fieldDescriptor, expr, descriptor.getTargetClass(), getter);
if (getterCall != null) {
getExpr = getterCall;
}
}
@NonNls String text = "a" + opName + "b";
PsiBinaryExpression binExpr =
(PsiBinaryExpression) factory.createExpressionFromText(text, expr);
binExpr.getLOperand().replace(getExpr);
binExpr.getROperand().replace(assignment.getRExpression());
PsiExpression setExpr;
if (processSet) {
setExpr =
createSetterCall(
fieldDescriptor, binExpr, expr, descriptor.getTargetClass(), setter);
} else {
text = "a = b";
PsiAssignmentExpression assignment1 =
(PsiAssignmentExpression) factory.createExpressionFromText(text, null);
assignment1.getLExpression().replace(expr);
assignment1.getRExpression().replace(binExpr);
setExpr = assignment1;
}
assignment.replace(setExpr);
// TODO: check if value is used!!!
}
}
} else if (RefactoringUtil.isPlusPlusOrMinusMinus(parent)) {
IElementType sign;
if (parent instanceof PsiPrefixExpression) {
sign = ((PsiPrefixExpression) parent).getOperationTokenType();
} else {
sign = ((PsiPostfixExpression) parent).getOperationTokenType();
}
PsiExpression getExpr = expr;
if (processGet) {
final PsiMethodCallExpression getterCall =
createGetterCall(fieldDescriptor, expr, descriptor.getTargetClass(), getter);
if (getterCall != null) {
getExpr = getterCall;
}
}
@NonNls String text;
if (sign == JavaTokenType.PLUSPLUS) {
text = "a+1";
} else {
text = "a-1";
}
PsiBinaryExpression binExpr =
(PsiBinaryExpression) factory.createExpressionFromText(text, null);
binExpr.getLOperand().replace(getExpr);
PsiExpression setExpr;
if (processSet) {
setExpr =
createSetterCall(fieldDescriptor, binExpr, expr, descriptor.getTargetClass(), setter);
} else {
text = "a = b";
PsiAssignmentExpression assignment =
(PsiAssignmentExpression) factory.createExpressionFromText(text, null);
assignment.getLExpression().replace(expr);
assignment.getRExpression().replace(binExpr);
setExpr = assignment;
}
parent.replace(setExpr);
} else {
if (!processGet) return true;
PsiMethodCallExpression methodCall =
createGetterCall(fieldDescriptor, expr, descriptor.getTargetClass(), getter);
if (methodCall != null) {
expr.replace(methodCall);
}
}
} catch (IncorrectOperationException e) {
LOG.error(e);
}
return true;
}
@Override
public void doFix(Project project, ProblemDescriptor descriptor)
throws IncorrectOperationException {
final PsiExpression expression = (PsiExpression) descriptor.getPsiElement();
final PsiType type = expression.getType();
if (type == null) {
return;
}
final PsiPrimitiveType unboxedType = PsiPrimitiveType.getUnboxedType(type);
if (unboxedType == null) {
return;
}
final String newExpressionText = buildNewExpressionText(expression, unboxedType);
final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
final PsiElementFactory factory = psiFacade.getElementFactory();
final PsiElement parent = expression.getParent();
final String expressionText = expression.getText();
if (parent instanceof PsiPrefixExpression && !unboxedType.equalsToText("boolean")) {
final PsiPrefixExpression prefixExpression = (PsiPrefixExpression) parent;
final IElementType tokenType = prefixExpression.getOperationTokenType();
if (JavaTokenType.PLUSPLUS.equals(tokenType)) {
replaceExpression(prefixExpression, expressionText + '=' + newExpressionText + "+1");
} else if (JavaTokenType.MINUSMINUS.equals(tokenType)) {
replaceExpression(prefixExpression, expressionText + '=' + newExpressionText + "-1");
} else {
replaceExpression(
prefixExpression, prefixExpression.getOperationSign().getText() + newExpressionText);
}
} else if (parent instanceof PsiPostfixExpression) {
final PsiPostfixExpression postfixExpression = (PsiPostfixExpression) parent;
final IElementType tokenType = postfixExpression.getOperationTokenType();
final PsiElement grandParent = postfixExpression.getParent();
if (grandParent instanceof PsiExpressionStatement) {
if (JavaTokenType.PLUSPLUS.equals(tokenType)) {
replaceExpression(postfixExpression, expressionText + '=' + newExpressionText + "+1");
} else if (JavaTokenType.MINUSMINUS.equals(tokenType)) {
replaceExpression(postfixExpression, expressionText + '=' + newExpressionText + "-1");
}
} else {
final PsiElement element = postfixExpression.replace(postfixExpression.getOperand());
final PsiStatement statement = PsiTreeUtil.getParentOfType(element, PsiStatement.class);
if (statement == null) {
return;
}
final PsiStatement newStatement;
if (JavaTokenType.PLUSPLUS.equals(tokenType)) {
newStatement =
factory.createStatementFromText(
expressionText + '=' + newExpressionText + "+1;", statement);
} else {
newStatement =
factory.createStatementFromText(
expressionText + '=' + newExpressionText + "-1;", statement);
}
final PsiElement greatGrandParent = statement.getParent();
greatGrandParent.addAfter(newStatement, statement);
}
} else if (parent instanceof PsiAssignmentExpression) {
final PsiAssignmentExpression assignmentExpression = (PsiAssignmentExpression) parent;
final PsiExpression lExpression = assignmentExpression.getLExpression();
if (expression.equals(lExpression)) {
final PsiJavaToken operationSign = assignmentExpression.getOperationSign();
final String operationSignText = operationSign.getText();
final char sign = operationSignText.charAt(0);
final PsiExpression rExpression = assignmentExpression.getRExpression();
if (rExpression == null) {
return;
}
final String text =
lExpression.getText() + '=' + newExpressionText + sign + rExpression.getText();
final PsiExpression newExpression =
factory.createExpressionFromText(text, assignmentExpression);
assignmentExpression.replace(newExpression);
} else {
replaceExpression(expression, newExpressionText);
}
} else {
replaceExpression(expression, newExpressionText);
}
}