Examples with CtTypeReference spoon.reflect.reference.CtTypeReference used on opensource projects

Example 76 with CtTypeReference

use of spoon.reflect.reference.CtTypeReference in project spoon by INRIA.

the class ElasticsearchStackoverflowTest method testStackOverflow.

@Test
public void testStackOverflow() {
    Launcher launcher = new Launcher();
    launcher.addInputResource("./src/test/resources/noclasspath/elasticsearch-stackoverflow");
    launcher.getEnvironment().setNoClasspath(true);
    launcher.buildModel();
    CtModel model = launcher.getModel();
    Scanner scanner = new Scanner();
    scanner.scan(model.getRootPackage());
    List<CtExecutableReference> executables = launcher.getModel().getElements(new TypeFilter<CtExecutableReference>(CtExecutableReference.class));
    assertFalse(executables.isEmpty());
    boolean result = false;
    for (CtExecutableReference execRef : executables) {
        if (execRef.getSimpleName().equals("setParentTask")) {
            CtTypeReference typeRef = execRef.getDeclaringType();
            assertTrue(typeRef instanceof CtTypeParameterReference);
            assertEquals("ShardRequest", typeRef.getSimpleName());
            CtType typeRefDecl = typeRef.getDeclaration();
            assertEquals("BroadcastShardRequest", typeRefDecl.getSuperclass().getSimpleName());
            assertNull(execRef.getDeclaration());
            result = true;
        }
    }
    assertTrue(result);
}

Example 77 with CtTypeReference

use of spoon.reflect.reference.CtTypeReference in project spoon by INRIA.

the class ContextBuilder method getVariableDeclaration.

@SuppressWarnings("unchecked")
private <T, U extends CtVariable<T>> U getVariableDeclaration(final String name, final Class<U> clazz) {
    final CoreFactory coreFactory = jdtTreeBuilder.getFactory().Core();
    final TypeFactory typeFactory = jdtTreeBuilder.getFactory().Type();
    final ClassFactory classFactory = jdtTreeBuilder.getFactory().Class();
    final InterfaceFactory interfaceFactory = jdtTreeBuilder.getFactory().Interface();
    final FieldFactory fieldFactory = jdtTreeBuilder.getFactory().Field();
    final ReferenceBuilder referenceBuilder = jdtTreeBuilder.getReferencesBuilder();
    final Environment environment = jdtTreeBuilder.getFactory().getEnvironment();
    // there is some extra work to do if we are looking for CtFields (and subclasses)
    final boolean lookingForFields = clazz == null || coreFactory.createField().getClass().isAssignableFrom(clazz);
    // try to find the variable on stack beginning with the most recent element
    for (final ASTPair astPair : stack) {
        // the variable may have been declared directly by one of these elements
        final ScopeRespectingVariableScanner<U> scanner = new ScopeRespectingVariableScanner(name, clazz);
        astPair.element.accept(scanner);
        if (scanner.getResult() != null) {
            return scanner.getResult();
        }
        // the variable may have been declared in a super class/interface
        if (lookingForFields && astPair.node instanceof TypeDeclaration) {
            final TypeDeclaration nodeDeclaration = (TypeDeclaration) astPair.node;
            final Deque<ReferenceBinding> referenceBindings = new ArrayDeque<>();
            // add super class if any
            if (nodeDeclaration.superclass != null && nodeDeclaration.superclass.resolvedType instanceof ReferenceBinding) {
                referenceBindings.push((ReferenceBinding) nodeDeclaration.superclass.resolvedType);
            }
            // add interfaces if any
            if (nodeDeclaration.superInterfaces != null) {
                for (final TypeReference tr : nodeDeclaration.superInterfaces) {
                    if (tr.resolvedType instanceof ReferenceBinding) {
                        referenceBindings.push((ReferenceBinding) tr.resolvedType);
                    }
                }
            }
            while (!referenceBindings.isEmpty()) {
                final ReferenceBinding referenceBinding = referenceBindings.pop();
                for (final FieldBinding fieldBinding : referenceBinding.fields()) {
                    if (name.equals(new String(fieldBinding.readableName()))) {
                        final String qualifiedNameOfParent = new String(referenceBinding.readableName());
                        final CtType parentOfField = referenceBinding.isClass() ? classFactory.create(qualifiedNameOfParent) : interfaceFactory.create(qualifiedNameOfParent);
                        U field = (U) fieldFactory.create(parentOfField, EnumSet.noneOf(ModifierKind.class), referenceBuilder.getTypeReference(fieldBinding.type), name);
                        return field.setExtendedModifiers(JDTTreeBuilderQuery.getModifiers(fieldBinding.modifiers, true, false));
                    }
                }
                // add super class if any
                final ReferenceBinding superclass = referenceBinding.superclass();
                if (superclass != null) {
                    referenceBindings.push(superclass);
                }
                // add interfaces if any
                final ReferenceBinding[] interfaces = referenceBinding.superInterfaces();
                if (interfaces != null) {
                    for (ReferenceBinding rb : interfaces) {
                        referenceBindings.push(rb);
                    }
                }
            }
        }
    }
    // the variable may have been imported statically from another class/interface
    if (lookingForFields) {
        final CtReference potentialReferenceToField = referenceBuilder.getDeclaringReferenceFromImports(name.toCharArray());
        if (potentialReferenceToField != null && potentialReferenceToField instanceof CtTypeReference) {
            final CtTypeReference typeReference = (CtTypeReference) potentialReferenceToField;
            try {
                final Class classOfType = typeReference.getActualClass();
                if (classOfType != null) {
                    final CtType declaringTypeOfField = typeReference.isInterface() ? interfaceFactory.get(classOfType) : classFactory.get(classOfType);
                    final CtField field = declaringTypeOfField.getField(name);
                    if (field != null) {
                        return (U) field;
                    }
                }
            } catch (final SpoonClassNotFoundException scnfe) {
                // field that has been imported statically from another class (or interface).
                if (environment.getNoClasspath()) {
                    // assume a constant value according to JLS.
                    if (name.toUpperCase().equals(name)) {
                        final CtType parentOfField = classFactory.create(typeReference.getQualifiedName());
                        // it is the best thing we can do
                        final CtField field = coreFactory.createField();
                        field.setParent(parentOfField);
                        field.setSimpleName(name);
                        // it is the best thing we can do
                        field.setType(typeFactory.nullType());
                        return (U) field;
                    }
                }
            }
        }
    }
    return null;
}

Example 78 with CtTypeReference

use of spoon.reflect.reference.CtTypeReference in project spoon by INRIA.

the class SuperInheritanceHierarchyFunction method visitSuperInterfaces.

/**
 * calls `outputConsumer.accept(interface)` for all superInterfaces of type recursively.
 */
protected void visitSuperInterfaces(CtTypeReference<?> type, CtConsumer<Object> outputConsumer) {
    Set<CtTypeReference<?>> superInterfaces;
    try {
        superInterfaces = type.getSuperInterfaces();
    } catch (SpoonClassNotFoundException e) {
        if (failOnClassNotFound) {
            throw e;
        }
        Launcher.LOGGER.warn("Cannot load class: " + type.getQualifiedName() + " with class loader " + Thread.currentThread().getContextClassLoader());
        return;
    }
    for (CtTypeReference<?> ifaceRef : superInterfaces) {
        ScanningMode mode = enter(ifaceRef, false);
        if (mode == SKIP_ALL) {
            continue;
        }
        sendResult(ifaceRef, outputConsumer);
        if (mode == NORMAL && query.isTerminated() == false) {
            visitSuperInterfaces(ifaceRef, outputConsumer);
        }
        exit(ifaceRef, false);
        if (query.isTerminated()) {
            return;
        }
    }
}

Example 79 with CtTypeReference

use of spoon.reflect.reference.CtTypeReference in project spoon by INRIA.

the class MetamodelTest method testRoleOnField.

@Test
public void testRoleOnField() {
    // contract: all non-final fields must be annotated with {@link spoon.reflect.annotations.MetamodelPropertyField}
    SpoonAPI implementations = new Launcher();
    implementations.addInputResource("src/main/java/spoon/support/reflect");
    implementations.buildModel();
    Factory factory = implementations.getFactory();
    CtTypeReference metamodelPropertyField = factory.Type().get(MetamodelPropertyField.class).getReference();
    final List<String> result = new ArrayList();
    List<CtField> fieldWithoutAnnotation = (List<CtField>) implementations.getModel().getElements(new TypeFilter<CtField>(CtField.class) {

        @Override
        public boolean matches(CtField candidate) {
            if (candidate.hasModifier(ModifierKind.FINAL) || candidate.hasModifier(ModifierKind.STATIC) || candidate.hasModifier(ModifierKind.TRANSIENT)) {
                return false;
            }
            if (// not a role
            "parent".equals(candidate.getSimpleName()) || "metadata".equals(candidate.getSimpleName()) || // cache field
            "valueOfMethod".equals(candidate.getSimpleName())) {
                return false;
            }
            CtClass parent = candidate.getParent(CtClass.class);
            return parent != null && (parent.isSubtypeOf(candidate.getFactory().createCtTypeReference(CtReference.class)) || parent.isSubtypeOf(candidate.getFactory().createCtTypeReference(CtElement.class)));
        }
    }).stream().map(x -> {
        result.add(x.toString());
        return x;
    }).filter(f -> f.getAnnotation(metamodelPropertyField) == null).collect(Collectors.toList());
    assertTrue(result.contains("@spoon.reflect.annotations.MetamodelPropertyField(role = spoon.reflect.path.CtRole.IS_SHADOW)\nboolean isShadow;"));
    assertTrue(result.contains("@spoon.reflect.annotations.MetamodelPropertyField(role = spoon.reflect.path.CtRole.TYPE)\nspoon.reflect.reference.CtTypeReference<T> type;"));
    assertTrue(result.size() > 100);
    Assert.assertEquals(Collections.emptyList(), fieldWithoutAnnotation);
    final CtTypeReference propertySetter = factory.Type().get(PropertySetter.class).getReference();
    final CtTypeReference propertyGetter = factory.Type().get(PropertyGetter.class).getReference();
    List<CtField> fields = factory.getModel().getElements(new AnnotationFilter<CtField>(MetamodelPropertyField.class));
    for (CtField field : fields) {
        CtClass parent = field.getParent(CtClass.class);
        CtExpression roleExpression = field.getAnnotation(metamodelPropertyField).getValue("role");
        List<String> roles = new ArrayList<>();
        if (roleExpression instanceof CtFieldRead) {
            roles.add(((CtFieldRead) roleExpression).getVariable().getSimpleName());
        } else if (roleExpression instanceof CtNewArray) {
            List<CtFieldRead> elements = ((CtNewArray) roleExpression).getElements();
            for (int i = 0; i < elements.size(); i++) {
                CtFieldRead ctFieldRead = elements.get(i);
                roles.add(ctFieldRead.getVariable().getSimpleName());
            }
        }
        CtQuery superQuery = parent.map(new SuperInheritanceHierarchyFunction());
        List<CtMethod> methods = superQuery.map((CtType type) -> type.getMethodsAnnotatedWith(propertyGetter, propertySetter)).list();
        boolean setterFound = false;
        boolean getterFound = false;
        for (CtMethod method : methods) {
            CtAnnotation getterAnnotation = method.getAnnotation(propertyGetter);
            CtAnnotation setterAnnotation = method.getAnnotation(propertySetter);
            if (getterAnnotation != null) {
                getterFound |= roles.contains(((CtFieldRead) getterAnnotation.getValue("role")).getVariable().getSimpleName());
            }
            if (setterAnnotation != null) {
                setterFound |= roles.contains(((CtFieldRead) setterAnnotation.getValue("role")).getVariable().getSimpleName());
            }
        }
        assertTrue(roles + " must have a getter in " + parent.getQualifiedName(), getterFound);
        assertTrue(roles + " must have a setter in " + parent.getQualifiedName(), setterFound);
    }
}

Example 80 with CtTypeReference

use of spoon.reflect.reference.CtTypeReference in project spoon by INRIA.

the class MetamodelTest method testGetterSetterFroRole.

@Test
public void testGetterSetterFroRole() {
    // contract: all roles in spoon metamodel must at least have a setter and a getter
    SpoonAPI interfaces = new Launcher();
    interfaces.addInputResource("src/main/java/spoon/reflect/declaration");
    interfaces.addInputResource("src/main/java/spoon/reflect/code");
    interfaces.addInputResource("src/main/java/spoon/reflect/reference");
    interfaces.buildModel();
    Factory factory = interfaces.getFactory();
    CtTypeReference propertyGetter = factory.Type().get(PropertyGetter.class).getReference();
    CtTypeReference propertySetter = factory.Type().get(PropertySetter.class).getReference();
    Set<String> expectedRoles = Arrays.stream(CtRole.values()).map(r -> r.name()).collect(Collectors.toSet());
    List<CtMethod<?>> getters = interfaces.getModel().getElements(new AnnotationFilter<CtMethod<?>>(PropertyGetter.class));
    Set<String> getterRoles = getters.stream().map(g -> ((CtFieldRead) g.getAnnotation(propertyGetter).getValue("role")).getVariable().getSimpleName()).collect(Collectors.toSet());
    Set<CtMethod<?>> isNotGetter = getters.stream().filter(m -> !(m.getSimpleName().startsWith("get") || m.getSimpleName().startsWith("is"))).collect(Collectors.toSet());
    List<CtMethod<?>> setters = interfaces.getModel().getElements(new AnnotationFilter<CtMethod<?>>(PropertySetter.class));
    Set<String> setterRoles = setters.stream().map(g -> ((CtFieldRead) g.getAnnotation(propertySetter).getValue("role")).getVariable().getSimpleName()).collect(Collectors.toSet());
    Set<CtMethod<?>> isNotSetter = setters.stream().filter(m -> !(m.getSimpleName().startsWith("set") || m.getSimpleName().startsWith("add") || m.getSimpleName().startsWith("insert") || m.getSimpleName().startsWith("remove"))).collect(Collectors.toSet());
    Assert.assertEquals(expectedRoles, getterRoles);
    Assert.assertEquals(expectedRoles, setterRoles);
    Assert.assertEquals(Collections.EMPTY_SET, isNotGetter);
    Assert.assertEquals(Collections.EMPTY_SET, isNotSetter);
}