Examples with InfixExpression org.eclipse.jdt.core.dom.InfixExpression used on opensource projects

Example 91 with InfixExpression

use of org.eclipse.jdt.core.dom.InfixExpression in project AutoRefactor by JnRouvignac.

the class ObsoleteComparisonCleanUp method refactorComparingToZero.

private void refactorComparingToZero(final InfixExpression visited, final MethodInvocation comparisonMethod, final InfixExpression.Operator operator) {
    ASTRewrite rewrite = cuRewrite.getASTRewrite();
    ASTNodeFactory ast = cuRewrite.getASTBuilder();
    TextEditGroup group = new TextEditGroup(MultiFixMessages.ObsoleteComparisonCleanUp_description);
    InfixExpression newInfixExpression = ast.newInfixExpression();
    newInfixExpression.setLeftOperand(ASTNodes.createMoveTarget(rewrite, comparisonMethod));
    newInfixExpression.setOperator(operator);
    // $NON-NLS-1$
    newInfixExpression.setRightOperand(ast.newNumberLiteral("0"));
    ASTNodes.replaceButKeepComment(rewrite, visited, newInfixExpression, group);
}

Example 92 with InfixExpression

use of org.eclipse.jdt.core.dom.InfixExpression in project AutoRefactor by JnRouvignac.

the class ObsoleteObjectsEqualsRatherThanEqualsAndNullCheckCleanUp method maybeRefactorIfStatement.

private boolean maybeRefactorIfStatement(final IfStatement node, final Set<String> classesToUseWithImport, final Set<String> importsToAdd) {
    if (node.getElseStatement() != null) {
        InfixExpression condition = ASTNodes.as(node.getExpression(), InfixExpression.class);
        List<Statement> thenStatements = ASTNodes.asList(node.getThenStatement());
        List<Statement> elseStatements = ASTNodes.asList(node.getElseStatement());
        if (condition != null && !condition.hasExtendedOperands() && ASTNodes.hasOperator(condition, InfixExpression.Operator.EQUALS, InfixExpression.Operator.NOT_EQUALS) && thenStatements != null && thenStatements.size() == 1 && elseStatements != null && elseStatements.size() == 1) {
            OrderedInfixExpression<Expression, NullLiteral> nullityOrderedCondition = ASTNodes.orderedInfix(condition, Expression.class, NullLiteral.class);
            if (nullityOrderedCondition != null && ASTNodes.isPassive(nullityOrderedCondition.getFirstOperand())) {
                return maybeReplaceCode(node, condition, thenStatements, elseStatements, nullityOrderedCondition.getFirstOperand(), classesToUseWithImport, importsToAdd);
            }
        }
    }
    return true;
}

Example 93 with InfixExpression

use of org.eclipse.jdt.core.dom.InfixExpression in project AutoRefactor by JnRouvignac.

the class ObsoleteObjectsEqualsRatherThanEqualsAndNullCheckCleanUp method maybeReplaceCode.

private boolean maybeReplaceCode(final IfStatement node, final InfixExpression condition, final List<Statement> thenStatements, final List<Statement> elseStatements, final Expression firstField, final Set<String> classesToUseWithImport, final Set<String> importsToAdd) {
    IfStatement checkNullityStatement;
    IfStatement checkEqualsStatement;
    if (ASTNodes.hasOperator(condition, InfixExpression.Operator.EQUALS)) {
        checkNullityStatement = ASTNodes.as(thenStatements.get(0), IfStatement.class);
        checkEqualsStatement = ASTNodes.as(elseStatements.get(0), IfStatement.class);
    } else {
        checkEqualsStatement = ASTNodes.as(thenStatements.get(0), IfStatement.class);
        checkNullityStatement = ASTNodes.as(elseStatements.get(0), IfStatement.class);
    }
    if (checkNullityStatement != null && checkNullityStatement.getElseStatement() == null && checkEqualsStatement != null && checkEqualsStatement.getElseStatement() == null) {
        InfixExpression nullityCondition = ASTNodes.as(checkNullityStatement.getExpression(), InfixExpression.class);
        ReturnStatement nullityStatement = ASTNodes.as(checkNullityStatement.getThenStatement(), ReturnStatement.class);
        PrefixExpression equalsCondition = ASTNodes.as(checkEqualsStatement.getExpression(), PrefixExpression.class);
        ReturnStatement equalsStatement = ASTNodes.as(checkEqualsStatement.getThenStatement(), ReturnStatement.class);
        if (nullityCondition != null && !nullityCondition.hasExtendedOperands() && ASTNodes.hasOperator(nullityCondition, InfixExpression.Operator.NOT_EQUALS) && nullityStatement != null && equalsCondition != null && ASTNodes.hasOperator(equalsCondition, PrefixExpression.Operator.NOT) && equalsStatement != null) {
            return maybeReplaceEquals(node, firstField, nullityCondition, nullityStatement, equalsCondition, equalsStatement, classesToUseWithImport, importsToAdd);
        }
    }
    return true;
}

Example 94 with InfixExpression

use of org.eclipse.jdt.core.dom.InfixExpression in project AutoRefactor by JnRouvignac.

the class ObsoleteObjectsEqualsRatherThanEqualsAndNullCheckCleanUp method maybeReplaceEquals.

private boolean maybeReplaceEquals(final IfStatement node, final Expression firstField, final InfixExpression nullityCondition, final ReturnStatement returnStatement1, final PrefixExpression equalsCondition, final ReturnStatement returnStatement2, final Set<String> classesToUseWithImport, final Set<String> importsToAdd) {
    OrderedInfixExpression<Expression, NullLiteral> nullityOrderedCondition = ASTNodes.orderedInfix(nullityCondition, Expression.class, NullLiteral.class);
    MethodInvocation equalsMethod = ASTNodes.as(equalsCondition.getOperand(), MethodInvocation.class);
    if (nullityOrderedCondition != null && returnStatement1 != null && returnStatement2 != null && equalsMethod != null && equalsMethod.getExpression() != null && EQUALS_METHOD.equals(equalsMethod.getName().getIdentifier()) && equalsMethod.arguments() != null && equalsMethod.arguments().size() == 1) {
        Expression secondField = nullityOrderedCondition.getFirstOperand();
        if (secondField != null && (match(firstField, secondField, equalsMethod.getExpression(), (ASTNode) equalsMethod.arguments().get(0)) || match(secondField, firstField, equalsMethod.getExpression(), (ASTNode) equalsMethod.arguments().get(0)))) {
            BooleanLiteral returnFalse1 = ASTNodes.as(returnStatement1.getExpression(), BooleanLiteral.class);
            BooleanLiteral returnFalse2 = ASTNodes.as(returnStatement2.getExpression(), BooleanLiteral.class);
            if (returnFalse1 != null && !returnFalse1.booleanValue() && returnFalse2 != null && !returnFalse2.booleanValue()) {
                replaceEquals(node, firstField, classesToUseWithImport, importsToAdd, secondField, returnStatement1);
                return false;
            }
        }
    }
    return true;
}

Example 95 with InfixExpression

use of org.eclipse.jdt.core.dom.InfixExpression in project AutoRefactor by JnRouvignac.

the class ObsoleteXORRatherThanDuplicateConditionsCleanUp method visit.

@Override
public boolean visit(final InfixExpression node) {
    if (ASTNodes.hasOperator(node, InfixExpression.Operator.CONDITIONAL_OR, InfixExpression.Operator.OR) && !node.hasExtendedOperands()) {
        InfixExpression firstCondition = ASTNodes.as(node.getLeftOperand(), InfixExpression.class);
        InfixExpression secondCondition = ASTNodes.as(node.getRightOperand(), InfixExpression.class);
        if (firstCondition != null && secondCondition != null && !firstCondition.hasExtendedOperands() && !secondCondition.hasExtendedOperands() && ASTNodes.hasOperator(firstCondition, InfixExpression.Operator.CONDITIONAL_AND, InfixExpression.Operator.AND) && ASTNodes.hasOperator(secondCondition, InfixExpression.Operator.CONDITIONAL_AND, InfixExpression.Operator.AND) && ASTNodes.isPassive(firstCondition.getLeftOperand()) && ASTNodes.isPassive(firstCondition.getRightOperand()) && ASTNodes.isPassive(secondCondition.getLeftOperand()) && ASTNodes.isPassive(secondCondition.getRightOperand())) {
            return maybeReplaceDuplicateExpression(node, firstCondition.getLeftOperand(), secondCondition.getLeftOperand(), firstCondition.getRightOperand(), secondCondition.getRightOperand()) && maybeReplaceDuplicateExpression(node, firstCondition.getLeftOperand(), secondCondition.getRightOperand(), firstCondition.getRightOperand(), secondCondition.getLeftOperand());
        }
    }
    return true;
}