Examples with ASTPrimarySuffix net.sourceforge.pmd.lang.java.ast.ASTPrimarySuffix used on opensource projects

Example 21 with ASTPrimarySuffix

use of net.sourceforge.pmd.lang.java.ast.ASTPrimarySuffix in project pmd by pmd.

the class UnnecessaryCaseChangeRule method visit.

public Object visit(ASTPrimaryExpression exp, Object data) {
    int n = exp.jjtGetNumChildren();
    if (n < 4) {
        return data;
    }
    int first = getBadPrefixOrNull(exp, n);
    if (first == -1) {
        return data;
    }
    String second = getBadSuffixOrNull(exp, first + 2);
    if (second == null) {
        return data;
    }
    if (!(exp.jjtGetChild(first + 1) instanceof ASTPrimarySuffix)) {
        return data;
    }
    ASTPrimarySuffix methodCall = (ASTPrimarySuffix) exp.jjtGetChild(first + 1);
    if (!methodCall.isArguments() || methodCall.getArgumentCount() > 0) {
        return data;
    }
    addViolation(data, exp);
    return data;
}

Example 22 with ASTPrimarySuffix

use of net.sourceforge.pmd.lang.java.ast.ASTPrimarySuffix in project pmd by pmd.

the class UnnecessaryCaseChangeRule method getBadPrefixOrNull.

private int getBadPrefixOrNull(ASTPrimaryExpression exp, int childrenCount) {
    // verify PrimaryPrefix/Name[ends-with(@Image, 'toUpperCase']
    for (int i = 0; i < childrenCount - 3; i++) {
        Node child = exp.jjtGetChild(i);
        String image;
        if (child instanceof ASTPrimaryPrefix) {
            if (child.jjtGetNumChildren() != 1 || !(child.jjtGetChild(0) instanceof ASTName)) {
                continue;
            }
            ASTName name = (ASTName) child.jjtGetChild(0);
            image = name.getImage();
        } else if (child instanceof ASTPrimarySuffix) {
            image = ((ASTPrimarySuffix) child).getImage();
        } else {
            continue;
        }
        if (image == null || !(image.endsWith("toUpperCase") || image.endsWith("toLowerCase"))) {
            continue;
        } else {
            return i;
        }
    }
    return -1;
}

Example 23 with ASTPrimarySuffix

use of net.sourceforge.pmd.lang.java.ast.ASTPrimarySuffix in project pmd by pmd.

the class UselessOverridingMethodRule method visit.

@Override
public Object visit(ASTMethodDeclaration node, Object data) {
    // them.
    if (node.isAbstract() || node.isFinal() || node.isNative() || node.isSynchronized()) {
        return super.visit(node, data);
    }
    // implement them anyway ( see bug 1522517)
    if (CLONE.equals(node.getMethodName()) && node.isPublic() && !this.hasArguments(node) && this.isMethodType(node, OBJECT) && this.isMethodThrowingType(node, exceptions)) {
        return super.visit(node, data);
    }
    ASTBlock block = node.getBlock();
    if (block == null) {
        return super.visit(node, data);
    }
    // Only process functions with one BlockStatement
    if (block.jjtGetNumChildren() != 1 || block.findDescendantsOfType(ASTStatement.class).size() != 1) {
        return super.visit(node, data);
    }
    Node statement = block.jjtGetChild(0).jjtGetChild(0);
    if (statement.jjtGetChild(0).jjtGetNumChildren() == 0) {
        // skips empty return statements
        return data;
    }
    Node statementGrandChild = statement.jjtGetChild(0).jjtGetChild(0);
    ASTPrimaryExpression primaryExpression;
    if (statementGrandChild instanceof ASTPrimaryExpression) {
        primaryExpression = (ASTPrimaryExpression) statementGrandChild;
    } else {
        List<ASTPrimaryExpression> primaryExpressions = findFirstDegreeChildrenOfType(statementGrandChild, ASTPrimaryExpression.class);
        if (primaryExpressions.size() != 1) {
            return super.visit(node, data);
        }
        primaryExpression = primaryExpressions.get(0);
    }
    ASTPrimaryPrefix primaryPrefix = findFirstDegreeChildrenOfType(primaryExpression, ASTPrimaryPrefix.class).get(0);
    if (!primaryPrefix.usesSuperModifier()) {
        return super.visit(node, data);
    }
    List<ASTPrimarySuffix> primarySuffixList = findFirstDegreeChildrenOfType(primaryExpression, ASTPrimarySuffix.class);
    if (primarySuffixList.size() != 2) {
        // extra method call on result of super method
        return super.visit(node, data);
    }
    ASTMethodDeclarator methodDeclarator = findFirstDegreeChildrenOfType(node, ASTMethodDeclarator.class).get(0);
    ASTPrimarySuffix primarySuffix = primarySuffixList.get(0);
    if (!primarySuffix.hasImageEqualTo(methodDeclarator.getImage())) {
        return super.visit(node, data);
    }
    // Process arguments
    primarySuffix = primarySuffixList.get(1);
    ASTArguments arguments = (ASTArguments) primarySuffix.jjtGetChild(0);
    ASTFormalParameters formalParameters = (ASTFormalParameters) methodDeclarator.jjtGetChild(0);
    if (formalParameters.jjtGetNumChildren() != arguments.jjtGetNumChildren()) {
        return super.visit(node, data);
    }
    if (!ignoreAnnotations) {
        ASTClassOrInterfaceBodyDeclaration parent = (ASTClassOrInterfaceBodyDeclaration) node.jjtGetParent();
        for (int i = 0; i < parent.jjtGetNumChildren(); i++) {
            Node n = parent.jjtGetChild(i);
            if (n instanceof ASTAnnotation) {
                if (n.jjtGetChild(0) instanceof ASTMarkerAnnotation) {
                    // @Override is ignored
                    if ("Override".equals(((ASTName) n.jjtGetChild(0).jjtGetChild(0)).getImage())) {
                        continue;
                    }
                }
                return super.visit(node, data);
            }
        }
    }
    if (arguments.jjtGetNumChildren() == 0) {
        addViolation(data, node, getMessage());
    } else {
        ASTArgumentList argumentList = (ASTArgumentList) arguments.jjtGetChild(0);
        for (int i = 0; i < argumentList.jjtGetNumChildren(); i++) {
            Node expressionChild = argumentList.jjtGetChild(i).jjtGetChild(0);
            if (!(expressionChild instanceof ASTPrimaryExpression) || expressionChild.jjtGetNumChildren() != 1) {
                // The arguments are not simply passed through
                return super.visit(node, data);
            }
            ASTPrimaryExpression argumentPrimaryExpression = (ASTPrimaryExpression) expressionChild;
            ASTPrimaryPrefix argumentPrimaryPrefix = (ASTPrimaryPrefix) argumentPrimaryExpression.jjtGetChild(0);
            if (argumentPrimaryPrefix.jjtGetNumChildren() == 0) {
                // The arguments are not simply passed through (using "this" for instance)
                return super.visit(node, data);
            }
            Node argumentPrimaryPrefixChild = argumentPrimaryPrefix.jjtGetChild(0);
            if (!(argumentPrimaryPrefixChild instanceof ASTName)) {
                // The arguments are not simply passed through
                return super.visit(node, data);
            }
            if (formalParameters.jjtGetNumChildren() < i + 1) {
                // different number of args
                return super.visit(node, data);
            }
            ASTName argumentName = (ASTName) argumentPrimaryPrefixChild;
            ASTFormalParameter formalParameter = (ASTFormalParameter) formalParameters.jjtGetChild(i);
            ASTVariableDeclaratorId variableId = findFirstDegreeChildrenOfType(formalParameter, ASTVariableDeclaratorId.class).get(0);
            if (!argumentName.hasImageEqualTo(variableId.getImage())) {
                // The arguments are not simply passed through
                return super.visit(node, data);
            }
        }
        // All arguments are passed through directly
        addViolation(data, node, getMessage());
    }
    return super.visit(node, data);
}

Example 24 with ASTPrimarySuffix

use of net.sourceforge.pmd.lang.java.ast.ASTPrimarySuffix in project pmd by pmd.

the class UnusedPrivateFieldRule method usedInOuter.

private boolean usedInOuter(NameDeclaration decl, JavaNode body) {
    List<ASTClassOrInterfaceBodyDeclaration> classOrInterfaceBodyDeclarations = body.findChildrenOfType(ASTClassOrInterfaceBodyDeclaration.class);
    List<ASTEnumConstant> enumConstants = body.findChildrenOfType(ASTEnumConstant.class);
    List<AbstractJavaNode> nodes = new ArrayList<>();
    nodes.addAll(classOrInterfaceBodyDeclarations);
    nodes.addAll(enumConstants);
    for (AbstractJavaNode node : nodes) {
        for (ASTPrimarySuffix primarySuffix : node.findDescendantsOfType(ASTPrimarySuffix.class, true)) {
            if (decl.getImage().equals(primarySuffix.getImage())) {
                // No violation
                return true;
            }
        }
        for (ASTPrimaryPrefix primaryPrefix : node.findDescendantsOfType(ASTPrimaryPrefix.class, true)) {
            ASTName name = primaryPrefix.getFirstDescendantOfType(ASTName.class);
            if (name != null) {
                for (String id : name.getImage().split("\\.")) {
                    if (id.equals(decl.getImage())) {
                        // No violation
                        return true;
                    }
                }
            }
        }
    }
    return false;
}