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

Example 1 with ASTAllocationExpression

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

the class ClassTypeResolverTest method testAnonymousClassFromInterface.

@Test
public void testAnonymousClassFromInterface() throws Exception {
    Node acu = parseAndTypeResolveForClass(AnonymousClassFromInterface.class, "1.8");
    ASTAllocationExpression allocationExpression = acu.getFirstDescendantOfType(ASTAllocationExpression.class);
    TypeNode child = (TypeNode) allocationExpression.jjtGetChild(0);
    Assert.assertTrue(Comparator.class.isAssignableFrom(child.getType()));
    Assert.assertSame(Integer.class, child.getTypeDefinition().getGenericType(0).getType());
}

Example 2 with ASTAllocationExpression

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

the class ClassTypeResolverTest method testAnonymousExtendingObject.

@Test
public void testAnonymousExtendingObject() throws Exception {
    Node acu = parseAndTypeResolveForClass(AnoymousExtendingObject.class, "1.8");
    ASTAllocationExpression allocationExpression = acu.getFirstDescendantOfType(ASTAllocationExpression.class);
    TypeNode child = (TypeNode) allocationExpression.jjtGetChild(0);
    Assert.assertTrue(Object.class.isAssignableFrom(child.getType()));
}

Example 3 with ASTAllocationExpression

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

the class ConsecutiveLiteralAppendsRule method checkConstructor.

/**
 * Determine if the constructor contains (or ends with) a String Literal
 *
 * @param node
 * @return 1 if the constructor contains string argument, else 0
 */
private int checkConstructor(ASTVariableDeclaratorId node, Object data) {
    Node parent = node.jjtGetParent();
    if (parent.jjtGetNumChildren() >= 2) {
        ASTAllocationExpression allocationExpression = parent.jjtGetChild(1).getFirstDescendantOfType(ASTAllocationExpression.class);
        ASTArgumentList list = null;
        if (allocationExpression != null) {
            list = allocationExpression.getFirstDescendantOfType(ASTArgumentList.class);
        }
        if (list != null) {
            ASTLiteral literal = list.getFirstDescendantOfType(ASTLiteral.class);
            if (!isAdditive(list) && literal != null && literal.isStringLiteral()) {
                return 1;
            }
            return processAdditive(data, 0, list, node);
        }
    }
    return 0;
}

Example 4 with ASTAllocationExpression

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

the class ClassScope method determineArgumentTypes.

/**
 * Provide a list of types of the arguments of the given method call. The
 * types are simple type images. If the argument type cannot be determined
 * (e.g. because it is itself the result of a method call), the parameter
 * type is used - so it is assumed, it is of the correct type. This might
 * cause confusion when methods are overloaded.
 *
 * @param occurrence
 *            the method call
 * @param parameterTypes
 *            the parameter types of the called method
 * @return the list of argument types
 */
private List<TypedNameDeclaration> determineArgumentTypes(JavaNameOccurrence occurrence, List<TypedNameDeclaration> parameterTypes) {
    ASTArgumentList arguments = null;
    Node nextSibling;
    if (occurrence.getLocation() instanceof ASTPrimarySuffix) {
        nextSibling = getNextSibling(occurrence.getLocation());
    } else {
        nextSibling = getNextSibling(occurrence.getLocation().jjtGetParent());
    }
    if (nextSibling != null) {
        arguments = nextSibling.getFirstDescendantOfType(ASTArgumentList.class);
    }
    if (arguments == null) {
        return Collections.emptyList();
    }
    List<TypedNameDeclaration> argumentTypes = new ArrayList<>(arguments.jjtGetNumChildren());
    Map<String, Node> qualifiedTypeNames = getEnclosingScope(SourceFileScope.class).getQualifiedTypeNames();
    for (int i = 0; i < arguments.jjtGetNumChildren(); i++) {
        Node argument = arguments.jjtGetChild(i);
        Node child = null;
        boolean isMethodCall = false;
        if (argument.jjtGetNumChildren() > 0 && argument.jjtGetChild(0).jjtGetNumChildren() > 0 && argument.jjtGetChild(0).jjtGetChild(0).jjtGetNumChildren() > 0) {
            child = argument.jjtGetChild(0).jjtGetChild(0).jjtGetChild(0);
            isMethodCall = argument.jjtGetChild(0).jjtGetNumChildren() > 1;
        }
        TypedNameDeclaration type = null;
        if (child instanceof ASTName && !isMethodCall) {
            ASTName name = (ASTName) child;
            Scope s = name.getScope();
            final JavaNameOccurrence nameOccurrence = new JavaNameOccurrence(name, name.getImage());
            while (s != null) {
                if (s.contains(nameOccurrence)) {
                    break;
                }
                s = s.getParent();
            }
            if (s != null) {
                Map<VariableNameDeclaration, List<NameOccurrence>> vars = s.getDeclarations(VariableNameDeclaration.class);
                for (VariableNameDeclaration d : vars.keySet()) {
                    // might be unknown
                    if (d.getImage().equals(name.getImage()) && d.getTypeImage() != null) {
                        String typeName = d.getTypeImage();
                        typeName = qualifyTypeName(typeName);
                        Node declaringNode = qualifiedTypeNames.get(typeName);
                        type = new SimpleTypedNameDeclaration(typeName, this.getEnclosingScope(SourceFileScope.class).resolveType(typeName), determineSuper(declaringNode));
                        break;
                    }
                }
            }
        } else if (child instanceof ASTLiteral) {
            ASTLiteral literal = (ASTLiteral) child;
            if (literal.isCharLiteral()) {
                type = new SimpleTypedNameDeclaration("char", literal.getType());
            } else if (literal.isStringLiteral()) {
                type = new SimpleTypedNameDeclaration("String", literal.getType());
            } else if (literal.isFloatLiteral()) {
                type = new SimpleTypedNameDeclaration("float", literal.getType());
            } else if (literal.isDoubleLiteral()) {
                type = new SimpleTypedNameDeclaration("double", literal.getType());
            } else if (literal.isIntLiteral()) {
                type = new SimpleTypedNameDeclaration("int", literal.getType());
            } else if (literal.isLongLiteral()) {
                type = new SimpleTypedNameDeclaration("long", literal.getType());
            } else if (literal.jjtGetNumChildren() == 1 && literal.jjtGetChild(0) instanceof ASTBooleanLiteral) {
                type = new SimpleTypedNameDeclaration("boolean", Boolean.TYPE);
            }
        } else if (child instanceof ASTAllocationExpression && child.jjtGetChild(0) instanceof ASTClassOrInterfaceType) {
            ASTClassOrInterfaceType classInterface = (ASTClassOrInterfaceType) child.jjtGetChild(0);
            type = convertToSimpleType(classInterface);
        }
        if (type == null && !parameterTypes.isEmpty()) {
            // arguments than parameterTypes
            if (parameterTypes.size() > i) {
                type = parameterTypes.get(i);
            } else {
                // last parameter is the vararg type
                type = parameterTypes.get(parameterTypes.size() - 1);
            }
        }
        if (type != null && type.getType() == null) {
            Class<?> typeBound = resolveGenericType(argument, type.getTypeImage());
            if (typeBound != null) {
                type = new SimpleTypedNameDeclaration(type.getTypeImage(), typeBound);
            }
        }
        argumentTypes.add(type);
    }
    return argumentTypes;
}

Example 5 with ASTAllocationExpression

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

the class ClassTypeResolver method getEnclosingTypeDeclaration.

/**
 * Returns the the first Class declaration around the node.
 *
 * @param node The node with the enclosing Class declaration.
 * @return The JavaTypeDefinition of the enclosing Class declaration.
 */
private TypeNode getEnclosingTypeDeclaration(Node node) {
    Node previousNode = null;
    while (node != null) {
        if (node instanceof ASTClassOrInterfaceDeclaration) {
            return (TypeNode) node;
        // anonymous class declaration
        } else if (// is anonymous class declaration
        node instanceof ASTAllocationExpression && // array cant be anonymous
        node.getFirstChildOfType(ASTArrayDimsAndInits.class) == null && !(previousNode instanceof ASTArguments)) {
            // we might come out of the constructor
            return (TypeNode) node;
        }
        previousNode = node;
        node = node.jjtGetParent();
    }
    return null;
}