use of com.intellij.psi.PsiBinaryExpression in project intellij-community by JetBrains.
the class FlipComparisonIntention method processIntention.
public void processIntention(@NotNull PsiElement element) throws IncorrectOperationException {
final PsiBinaryExpression expression = (PsiBinaryExpression) element;
final PsiExpression lhs = expression.getLOperand();
final PsiExpression rhs = expression.getROperand();
final IElementType tokenType = expression.getOperationTokenType();
assert rhs != null;
final String expString = rhs.getText() + ComparisonUtils.getFlippedComparison(tokenType) + lhs.getText();
PsiReplacementUtil.replaceExpression(expression, expString);
}
use of com.intellij.psi.PsiBinaryExpression in project intellij-community by JetBrains.
the class FlipComparisonIntention method getTextForElement.
public String getTextForElement(PsiElement element) {
String operatorText = "";
String flippedOperatorText = "";
final PsiBinaryExpression expression = (PsiBinaryExpression) element;
if (expression != null) {
final PsiJavaToken sign = expression.getOperationSign();
operatorText = sign.getText();
flippedOperatorText = ComparisonUtils.getFlippedComparison(sign.getTokenType());
}
if (operatorText.equals(flippedOperatorText)) {
return IntentionPowerPackBundle.message("flip.smth.intention.name", operatorText);
} else {
return IntentionPowerPackBundle.message("flip.comparison.intention.name", operatorText, flippedOperatorText);
}
}
use of com.intellij.psi.PsiBinaryExpression in project intellij-community by JetBrains.
the class NegateComparisonIntention method getTextForElement.
public String getTextForElement(PsiElement element) {
String operatorText = "";
String negatedOperatorText = "";
final PsiBinaryExpression exp = (PsiBinaryExpression) element;
if (exp != null) {
final PsiJavaToken sign = exp.getOperationSign();
operatorText = sign.getText();
negatedOperatorText = ComparisonUtils.getNegatedComparison(sign.getTokenType());
}
if (operatorText.equals(negatedOperatorText)) {
return IntentionPowerPackBundle.message("negate.comparison.intention.name", operatorText);
} else {
return IntentionPowerPackBundle.message("negate.comparison.intention.name1", operatorText, negatedOperatorText);
}
}
use of com.intellij.psi.PsiBinaryExpression in project intellij-community by JetBrains.
the class EqualityToEqualsFix method doFix.
@Override
public void doFix(Project project, ProblemDescriptor descriptor) {
final PsiElement comparisonToken = descriptor.getPsiElement();
final PsiElement parent = comparisonToken.getParent();
if (!(parent instanceof PsiBinaryExpression)) {
return;
}
final PsiBinaryExpression expression = (PsiBinaryExpression) parent;
boolean negated = false;
final IElementType tokenType = expression.getOperationTokenType();
if (JavaTokenType.NE.equals(tokenType)) {
negated = true;
}
final PsiExpression lhs = expression.getLOperand();
final PsiExpression strippedLhs = ParenthesesUtils.stripParentheses(lhs);
if (strippedLhs == null) {
return;
}
final PsiExpression rhs = expression.getROperand();
final PsiExpression strippedRhs = ParenthesesUtils.stripParentheses(rhs);
if (strippedRhs == null) {
return;
}
@NonNls final String expString;
if (PsiUtil.isLanguageLevel7OrHigher(expression)) {
expString = "java.util.Objects.equals(" + strippedLhs.getText() + ',' + strippedRhs.getText() + ')';
} else if (ParenthesesUtils.getPrecedence(strippedLhs) > ParenthesesUtils.METHOD_CALL_PRECEDENCE) {
expString = '(' + strippedLhs.getText() + ").equals(" + strippedRhs.getText() + ')';
} else {
expString = strippedLhs.getText() + ".equals(" + strippedRhs.getText() + ')';
}
@NonNls final String newExpression;
if (negated) {
newExpression = '!' + expString;
} else {
newExpression = expString;
}
PsiReplacementUtil.replaceExpressionAndShorten(expression, newExpression);
}
use of com.intellij.psi.PsiBinaryExpression in project kotlin by JetBrains.
the class ConstantEvaluator method evaluate.
/**
* Evaluates the given node and returns the constant value it resolves to, if any
*
* @param node the node to compute the constant value for
* @return the corresponding constant value - a String, an Integer, a Float, and so on
*/
@Nullable
public Object evaluate(@Nullable PsiElement node) {
if (node == null) {
return null;
}
if (node instanceof PsiLiteral) {
return ((PsiLiteral) node).getValue();
} else if (node instanceof PsiPrefixExpression) {
IElementType operator = ((PsiPrefixExpression) node).getOperationTokenType();
Object operand = evaluate(((PsiPrefixExpression) node).getOperand());
if (operand == null) {
return null;
}
if (operator == JavaTokenType.EXCL) {
if (operand instanceof Boolean) {
return !(Boolean) operand;
}
} else if (operator == JavaTokenType.PLUS) {
return operand;
} else if (operator == JavaTokenType.TILDE) {
if (operand instanceof Integer) {
return ~(Integer) operand;
} else if (operand instanceof Long) {
return ~(Long) operand;
} else if (operand instanceof Short) {
return ~(Short) operand;
} else if (operand instanceof Character) {
return ~(Character) operand;
} else if (operand instanceof Byte) {
return ~(Byte) operand;
}
} else if (operator == JavaTokenType.MINUS) {
if (operand instanceof Integer) {
return -(Integer) operand;
} else if (operand instanceof Long) {
return -(Long) operand;
} else if (operand instanceof Double) {
return -(Double) operand;
} else if (operand instanceof Float) {
return -(Float) operand;
} else if (operand instanceof Short) {
return -(Short) operand;
} else if (operand instanceof Character) {
return -(Character) operand;
} else if (operand instanceof Byte) {
return -(Byte) operand;
}
}
} else if (node instanceof PsiConditionalExpression) {
PsiConditionalExpression expression = (PsiConditionalExpression) node;
Object known = evaluate(expression.getCondition());
if (known == Boolean.TRUE && expression.getThenExpression() != null) {
return evaluate(expression.getThenExpression());
} else if (known == Boolean.FALSE && expression.getElseExpression() != null) {
return evaluate(expression.getElseExpression());
}
} else if (node instanceof PsiParenthesizedExpression) {
PsiParenthesizedExpression parenthesizedExpression = (PsiParenthesizedExpression) node;
PsiExpression expression = parenthesizedExpression.getExpression();
if (expression != null) {
return evaluate(expression);
}
} else if (node instanceof PsiBinaryExpression) {
IElementType operator = ((PsiBinaryExpression) node).getOperationTokenType();
Object operandLeft = evaluate(((PsiBinaryExpression) node).getLOperand());
Object operandRight = evaluate(((PsiBinaryExpression) node).getROperand());
if (operandLeft == null || operandRight == null) {
if (mAllowUnknown) {
if (operandLeft == null) {
return operandRight;
} else {
return operandLeft;
}
}
return null;
}
if (operandLeft instanceof String && operandRight instanceof String) {
if (operator == JavaTokenType.PLUS) {
return operandLeft.toString() + operandRight.toString();
}
return null;
} else if (operandLeft instanceof Boolean && operandRight instanceof Boolean) {
boolean left = (Boolean) operandLeft;
boolean right = (Boolean) operandRight;
if (operator == JavaTokenType.OROR) {
return left || right;
} else if (operator == JavaTokenType.ANDAND) {
return left && right;
} else if (operator == JavaTokenType.OR) {
return left | right;
} else if (operator == JavaTokenType.XOR) {
return left ^ right;
} else if (operator == JavaTokenType.AND) {
return left & right;
} else if (operator == JavaTokenType.EQEQ) {
return left == right;
} else if (operator == JavaTokenType.NE) {
return left != right;
}
} else if (operandLeft instanceof Number && operandRight instanceof Number) {
Number left = (Number) operandLeft;
Number right = (Number) operandRight;
boolean isInteger = !(left instanceof Float || left instanceof Double || right instanceof Float || right instanceof Double);
boolean isWide = isInteger ? (left instanceof Long || right instanceof Long) : (left instanceof Double || right instanceof Double);
if (operator == JavaTokenType.OR) {
if (isWide) {
return left.longValue() | right.longValue();
} else {
return left.intValue() | right.intValue();
}
} else if (operator == JavaTokenType.XOR) {
if (isWide) {
return left.longValue() ^ right.longValue();
} else {
return left.intValue() ^ right.intValue();
}
} else if (operator == JavaTokenType.AND) {
if (isWide) {
return left.longValue() & right.longValue();
} else {
return left.intValue() & right.intValue();
}
} else if (operator == JavaTokenType.EQEQ) {
if (isInteger) {
return left.longValue() == right.longValue();
} else {
return left.doubleValue() == right.doubleValue();
}
} else if (operator == JavaTokenType.NE) {
if (isInteger) {
return left.longValue() != right.longValue();
} else {
return left.doubleValue() != right.doubleValue();
}
} else if (operator == JavaTokenType.GT) {
if (isInteger) {
return left.longValue() > right.longValue();
} else {
return left.doubleValue() > right.doubleValue();
}
} else if (operator == JavaTokenType.GE) {
if (isInteger) {
return left.longValue() >= right.longValue();
} else {
return left.doubleValue() >= right.doubleValue();
}
} else if (operator == JavaTokenType.LT) {
if (isInteger) {
return left.longValue() < right.longValue();
} else {
return left.doubleValue() < right.doubleValue();
}
} else if (operator == JavaTokenType.LE) {
if (isInteger) {
return left.longValue() <= right.longValue();
} else {
return left.doubleValue() <= right.doubleValue();
}
} else if (operator == JavaTokenType.LTLT) {
if (isWide) {
return left.longValue() << right.intValue();
} else {
return left.intValue() << right.intValue();
}
} else if (operator == JavaTokenType.GTGT) {
if (isWide) {
return left.longValue() >> right.intValue();
} else {
return left.intValue() >> right.intValue();
}
} else if (operator == JavaTokenType.GTGTGT) {
if (isWide) {
return left.longValue() >>> right.intValue();
} else {
return left.intValue() >>> right.intValue();
}
} else if (operator == JavaTokenType.PLUS) {
if (isInteger) {
if (isWide) {
return left.longValue() + right.longValue();
} else {
return left.intValue() + right.intValue();
}
} else {
if (isWide) {
return left.doubleValue() + right.doubleValue();
} else {
return left.floatValue() + right.floatValue();
}
}
} else if (operator == JavaTokenType.MINUS) {
if (isInteger) {
if (isWide) {
return left.longValue() - right.longValue();
} else {
return left.intValue() - right.intValue();
}
} else {
if (isWide) {
return left.doubleValue() - right.doubleValue();
} else {
return left.floatValue() - right.floatValue();
}
}
} else if (operator == JavaTokenType.ASTERISK) {
if (isInteger) {
if (isWide) {
return left.longValue() * right.longValue();
} else {
return left.intValue() * right.intValue();
}
} else {
if (isWide) {
return left.doubleValue() * right.doubleValue();
} else {
return left.floatValue() * right.floatValue();
}
}
} else if (operator == JavaTokenType.DIV) {
if (isInteger) {
if (isWide) {
return left.longValue() / right.longValue();
} else {
return left.intValue() / right.intValue();
}
} else {
if (isWide) {
return left.doubleValue() / right.doubleValue();
} else {
return left.floatValue() / right.floatValue();
}
}
} else if (operator == JavaTokenType.PERC) {
if (isInteger) {
if (isWide) {
return left.longValue() % right.longValue();
} else {
return left.intValue() % right.intValue();
}
} else {
if (isWide) {
return left.doubleValue() % right.doubleValue();
} else {
return left.floatValue() % right.floatValue();
}
}
} else {
return null;
}
}
} else if (node instanceof PsiTypeCastExpression) {
PsiTypeCastExpression cast = (PsiTypeCastExpression) node;
Object operandValue = evaluate(cast.getOperand());
if (operandValue instanceof Number) {
Number number = (Number) operandValue;
PsiTypeElement typeElement = cast.getCastType();
if (typeElement != null) {
PsiType type = typeElement.getType();
if (PsiType.FLOAT.equals(type)) {
return number.floatValue();
} else if (PsiType.DOUBLE.equals(type)) {
return number.doubleValue();
} else if (PsiType.INT.equals(type)) {
return number.intValue();
} else if (PsiType.LONG.equals(type)) {
return number.longValue();
} else if (PsiType.SHORT.equals(type)) {
return number.shortValue();
} else if (PsiType.BYTE.equals(type)) {
return number.byteValue();
}
}
}
return operandValue;
} else if (node instanceof PsiReference) {
PsiElement resolved = ((PsiReference) node).resolve();
if (resolved instanceof PsiField) {
PsiField field = (PsiField) resolved;
Object value = field.computeConstantValue();
if (value != null) {
return value;
}
if (field.getInitializer() != null) {
return evaluate(field.getInitializer());
}
return null;
} else if (resolved instanceof PsiLocalVariable) {
PsiLocalVariable variable = (PsiLocalVariable) resolved;
PsiStatement statement = PsiTreeUtil.getParentOfType(node, PsiStatement.class, false);
if (statement != null) {
PsiStatement prev = PsiTreeUtil.getPrevSiblingOfType(statement, PsiStatement.class);
String targetName = variable.getName();
if (targetName == null) {
return null;
}
while (prev != null) {
if (prev instanceof PsiDeclarationStatement) {
for (PsiElement element : ((PsiDeclarationStatement) prev).getDeclaredElements()) {
if (variable.equals(element)) {
return evaluate(variable.getInitializer());
}
}
} else if (prev instanceof PsiExpressionStatement) {
PsiExpression expression = ((PsiExpressionStatement) prev).getExpression();
if (expression instanceof PsiAssignmentExpression) {
PsiAssignmentExpression assign = (PsiAssignmentExpression) expression;
PsiExpression lhs = assign.getLExpression();
if (lhs instanceof PsiReferenceExpression) {
PsiReferenceExpression reference = (PsiReferenceExpression) lhs;
if (targetName.equals(reference.getReferenceName()) && reference.getQualifier() == null) {
return evaluate(assign.getRExpression());
}
}
}
}
prev = PsiTreeUtil.getPrevSiblingOfType(prev, PsiStatement.class);
}
}
}
} else if (node instanceof PsiNewExpression) {
PsiNewExpression creation = (PsiNewExpression) node;
PsiArrayInitializerExpression initializer = creation.getArrayInitializer();
PsiType type = creation.getType();
if (type instanceof PsiArrayType) {
if (initializer != null) {
PsiExpression[] initializers = initializer.getInitializers();
Class<?> commonType = null;
List<Object> values = Lists.newArrayListWithExpectedSize(initializers.length);
int count = 0;
for (PsiExpression expression : initializers) {
Object value = evaluate(expression);
if (value != null) {
values.add(value);
if (commonType == null) {
commonType = value.getClass();
} else {
while (!commonType.isAssignableFrom(value.getClass())) {
commonType = commonType.getSuperclass();
}
}
} else if (!mAllowUnknown) {
// Inconclusive
return null;
}
count++;
if (count == 20) {
// avoid large initializers
break;
}
}
type = type.getDeepComponentType();
if (type == PsiType.INT) {
if (!values.isEmpty()) {
int[] array = new int[values.size()];
for (int i = 0; i < values.size(); i++) {
Object o = values.get(i);
if (o instanceof Integer) {
array[i] = (Integer) o;
}
}
return array;
}
return new int[0];
} else if (type == PsiType.BOOLEAN) {
if (!values.isEmpty()) {
boolean[] array = new boolean[values.size()];
for (int i = 0; i < values.size(); i++) {
Object o = values.get(i);
if (o instanceof Boolean) {
array[i] = (Boolean) o;
}
}
return array;
}
return new boolean[0];
} else if (type == PsiType.DOUBLE) {
if (!values.isEmpty()) {
double[] array = new double[values.size()];
for (int i = 0; i < values.size(); i++) {
Object o = values.get(i);
if (o instanceof Double) {
array[i] = (Double) o;
}
}
return array;
}
return new double[0];
} else if (type == PsiType.LONG) {
if (!values.isEmpty()) {
long[] array = new long[values.size()];
for (int i = 0; i < values.size(); i++) {
Object o = values.get(i);
if (o instanceof Long) {
array[i] = (Long) o;
}
}
return array;
}
return new long[0];
} else if (type == PsiType.FLOAT) {
if (!values.isEmpty()) {
float[] array = new float[values.size()];
for (int i = 0; i < values.size(); i++) {
Object o = values.get(i);
if (o instanceof Float) {
array[i] = (Float) o;
}
}
return array;
}
return new float[0];
} else if (type == PsiType.CHAR) {
if (!values.isEmpty()) {
char[] array = new char[values.size()];
for (int i = 0; i < values.size(); i++) {
Object o = values.get(i);
if (o instanceof Character) {
array[i] = (Character) o;
}
}
return array;
}
return new char[0];
} else if (type == PsiType.BYTE) {
if (!values.isEmpty()) {
byte[] array = new byte[values.size()];
for (int i = 0; i < values.size(); i++) {
Object o = values.get(i);
if (o instanceof Byte) {
array[i] = (Byte) o;
}
}
return array;
}
return new byte[0];
} else if (type == PsiType.SHORT) {
if (!values.isEmpty()) {
short[] array = new short[values.size()];
for (int i = 0; i < values.size(); i++) {
Object o = values.get(i);
if (o instanceof Short) {
array[i] = (Short) o;
}
}
return array;
}
return new short[0];
} else {
if (!values.isEmpty()) {
Object o = Array.newInstance(commonType, values.size());
return values.toArray((Object[]) o);
}
return null;
}
} else {
// something like "new byte[3]" but with no initializer.
// Look up the size and only if small, use it. E.g. if it was byte[3]
// we return a byte[3] array, but if it's say byte[1024*1024] we don't
// want to do that.
PsiExpression[] arrayDimensions = creation.getArrayDimensions();
int size = 0;
if (arrayDimensions.length == 1) {
Object fixedSize = evaluate(arrayDimensions[0]);
if (fixedSize instanceof Number) {
size = ((Number) fixedSize).intValue();
if (size > 30) {
size = 30;
}
}
}
type = type.getDeepComponentType();
if (type instanceof PsiPrimitiveType) {
if (PsiType.BYTE.equals(type)) {
return new byte[size];
}
if (PsiType.BOOLEAN.equals(type)) {
return new boolean[size];
}
if (PsiType.INT.equals(type)) {
return new int[size];
}
if (PsiType.LONG.equals(type)) {
return new long[size];
}
if (PsiType.CHAR.equals(type)) {
return new char[size];
}
if (PsiType.FLOAT.equals(type)) {
return new float[size];
}
if (PsiType.DOUBLE.equals(type)) {
return new double[size];
}
if (PsiType.SHORT.equals(type)) {
return new short[size];
}
} else if (type instanceof PsiClassType) {
String className = type.getCanonicalText();
if (TYPE_STRING.equals(className)) {
//noinspection SSBasedInspection
return new String[size];
}
if (TYPE_OBJECT.equals(className)) {
//noinspection SSBasedInspection
return new Object[size];
}
}
}
}
}
return null;
}
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