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Example 1 with CtThrow

use of spoon.reflect.code.CtThrow in project spoon by INRIA.

the class DefaultCoreFactory method createThrow.

public CtThrow createThrow() {
    CtThrow e = new CtThrowImpl();
    e.setFactory(getMainFactory());
    return e;
}
Also used : CtThrow(spoon.reflect.code.CtThrow) CtThrowImpl(spoon.support.reflect.code.CtThrowImpl)

Example 2 with CtThrow

use of spoon.reflect.code.CtThrow in project spoon by INRIA.

the class IntercessionTest method test_setThrownExpression.

@Test
public void test_setThrownExpression() {
    CtThrow throwStmt = factory.Core().createThrow();
    CtExpression<Exception> exp = factory.Code().createCodeSnippetExpression("e");
    throwStmt.setThrownExpression(exp);
    assertEquals("throw e", throwStmt.toString());
}
Also used : CtThrow(spoon.reflect.code.CtThrow) Test(org.junit.Test)

Example 3 with CtThrow

use of spoon.reflect.code.CtThrow in project spoon by INRIA.

the class CloneVisitorGenerator method process.

@Override
public void process() {
    final CtClass<Object> target = createCloneVisitor();
    final CtClass<Object> targetBuilder = createCloneBuilder();
    final Factory factory = target.getFactory();
    final CtTypeReference<Object> cloneBuilder = factory.Type().createReference("spoon.support.visitor.clone.CloneBuilder");
    final CtTypeAccess<Object> cloneBuilderType = factory.Code().createTypeAccess(cloneBuilder);
    final CtVariableAccess<Object> builderFieldAccess = factory.Code().createVariableRead(factory.Field().createReference(target.getReference(), cloneBuilder, "builder"), false);
    final CtVariableAccess<Object> tailorerFieldAccess = factory.Code().createVariableRead(factory.Field().createReference(target.getReference(), cloneBuilder, "tailorer"), false);
    final CtVariableAccess<Object> cloneHelperFieldAccess = factory.Code().createVariableRead(factory.Field().createReference(target.getReference(), cloneBuilder, "cloneHelper"), false);
    final CtFieldReference<Object> other = factory.Field().createReference((CtField) target.getField("other"));
    final CtVariableAccess otherRead = factory.Code().createVariableRead(other, true);
    new CtScanner() {

        private final List<String> internals = Collections.singletonList("CtCircularTypeReference");

        @Override
        public <T> void visitCtMethod(CtMethod<T> element) {
            if (!element.getSimpleName().startsWith("visitCt")) {
                return;
            }
            CtMethod<T> clone = element.clone();
            // Variables used by the visit method.
            final CtParameter<CtElement> ctParameter = (CtParameter<CtElement>) element.getParameters().get(0);
            final CtVariableAccess<CtElement> elementVarRead = factory.Code().createVariableRead(ctParameter.getReference(), false);
            final CtInvocation cloneBuilderInvocation = createCloneBuilderBuildInvocation(elementVarRead);
            final CtLocalVariable localCloningElement = createLocalCloningElement(ctParameter.getType(), createFactoryInvocation(elementVarRead));
            final CtVariableAccess localVarRead = factory.Code().createVariableRead(localCloningElement.getReference(), false);
            // Changes body of the cloned method.
            for (int i = 1; i < clone.getBody().getStatements().size() - 1; i++) {
                List<CtExpression> invArgs = ((CtInvocation) clone.getBody().getStatement(i)).getArguments();
                if (invArgs.size() <= 1) {
                    throw new RuntimeException("You forget the role argument in line " + i + " of method " + element.getSimpleName() + " from " + element.getDeclaringType().getQualifiedName());
                }
                final CtInvocation targetInvocation = (CtInvocation) invArgs.get(1);
                if ("getValue".equals(targetInvocation.getExecutable().getSimpleName()) && "CtLiteral".equals(targetInvocation.getExecutable().getDeclaringType().getSimpleName())) {
                    clone.getBody().getStatement(i--).delete();
                    continue;
                }
                // 
                clone.getBody().getStatement(i).replace(createSetter((CtInvocation) clone.getBody().getStatement(i), localVarRead));
            }
            // Delete enter and exit methods.
            clone.getBody().getStatement(0).delete();
            clone.getBody().getStatement(clone.getBody().getStatements().size() - 1).delete();
            // declaration of local variable
            clone.getBody().insertBegin(localCloningElement);
            // call to copy
            clone.getBody().insertEnd(createCloneBuilderCopyInvocation(elementVarRead, localVarRead));
            // call to tailor
            clone.getBody().insertEnd(createTailorerScanInvocation(elementVarRead, localVarRead));
            // final assignment
            clone.getBody().insertEnd(factory.Code().createVariableAssignment(other, false, localVarRead));
            // Add auto-generated comment.
            final CtComment comment = factory.Core().createComment();
            comment.setCommentType(CtComment.CommentType.INLINE);
            comment.setContent("auto-generated, see " + CloneVisitorGenerator.class.getName());
            clone.addComment(comment);
            target.addMethod(clone);
        }

        /**
         * Creates <code>anElement.setX(clone(anElement.getX()))</code>.
         *
         * @param scanInvocation <code>scan(anElement.getX())</code>.
         * @param elementVarRead <code>anElement</code>.
         */
        private CtInvocation<?> createSetter(CtInvocation scanInvocation, CtVariableAccess<CtElement> elementVarRead) {
            final CtInvocation<?> getter = (CtInvocation<?>) scanInvocation.getArguments().get(1);
            final String getterName = getter.getExecutable().getSimpleName();
            final CtExecutableReference<Object> setterRef = factory.Executable().createReference("void CtElement#set" + getterName.substring(3, getterName.length()) + "()");
            final CtExecutableReference<Object> cloneRef = factory.Executable().createReference("CtElement spoon.support.visitor.equals.CloneHelper#clone()");
            final CtInvocation<Object> cloneInv = factory.Code().createInvocation(null, cloneRef, getter);
            cloneInv.setTarget(cloneHelperFieldAccess);
            return factory.Code().createInvocation(elementVarRead, setterRef, cloneInv);
        }

        /**
         * Creates <code>CtElement anElement = CloneBuilder.build(builder, element, element.getFactory().Core().createElement())</code>.
         *
         * @param typeReference <code>CtElement</code>.
         * @param ctInvocation <code>CloneBuilder.build(builder, element, element.getFactory().Core().createElement())</code>.
         */
        private <T> CtLocalVariable<T> createLocalCloningElement(CtTypeReference<T> typeReference, CtInvocation<T> ctInvocation) {
            return factory.Code().createLocalVariable(typeReference, "a" + typeReference.getSimpleName(), ctInvocation);
        }

        /**
         * Creates <code>CloneBuilder.build(builder, element, element.getFactory().Core().createElement())</code>.
         *
         * @param elementAccess <code>element</code>.
         */
        private CtInvocation<CloneBuilder> createCloneBuilderBuildInvocation(CtVariableAccess<CtElement> elementAccess) {
            final CtExecutableReference<CloneBuilder> buildExecRef = factory.Executable().createReference("CloneBuilder CtElement#build()");
            return factory.Code().createInvocation(cloneBuilderType, buildExecRef, builderFieldAccess, elementAccess, createFactoryInvocation(elementAccess.clone()));
        }

        private CtInvocation<CloneBuilder> createCloneBuilderCopyInvocation(CtVariableAccess<CtElement> elementVarRead, CtVariableAccess<CtElement> elementVarRead2) {
            final CtExecutableReference<CloneBuilder> buildExecRef = factory.Executable().createReference("CloneBuilder #copy()");
            return factory.Code().createInvocation(builderFieldAccess, buildExecRef, elementVarRead, elementVarRead2);
        }

        private CtInvocation<CloneBuilder> createTailorerScanInvocation(CtVariableAccess elementVarRead, CtVariableAccess localVarRead) {
            final CtExecutableReference<CloneBuilder> buildExecRef = factory.Executable().createReference("CloneHelper #tailor()");
            return factory.Code().createInvocation(cloneHelperFieldAccess, buildExecRef, elementVarRead, localVarRead);
        }

        /**
         * Creates <code>element.getFactory().Core().createElement()</code>.
         *
         * @param elementAccess <code>element</code>.
         */
        private CtInvocation createFactoryInvocation(CtVariableAccess<CtElement> elementAccess) {
            final String typeName = elementAccess.getType().getSimpleName();
            // #getFactory()
            final CtInvocation<Object> getFactory = factory.Code().createInvocation(null, factory.Executable().createReference("Factory CtElement#getFactory()"));
            getFactory.setTarget(elementAccess);
            // Factory#Core() or Factory#Internal()
            final String factoryName = internals.contains(typeName) ? "Internal" : "Core";
            final CtInvocation<Object> coreFactory = factory.Code().createInvocation(getFactory, factory.Executable().createReference("CoreFactory Factory#" + factoryName + "()"));
            // CoreFactory#createElement()
            return factory.Code().createInvocation(coreFactory, factory.Executable().createReference("CoreFactory CtElement#create" + typeName.substring(2, typeName.length()) + "()"));
        }
    }.scan(getFactory().Class().get(CtScanner.class));
    new CtScanner() {

        private final List<String> excludesAST = // 
        Arrays.asList(// 
        "spoon.support.reflect.declaration.CtTypeInformationImpl", // 
        "spoon.support.reflect.code.CtAbstractInvocationImpl", // 
        "spoon.support.reflect.declaration.CtTypedElementImpl", // 
        "spoon.support.reflect.declaration.CtVariableImpl", // 
        "spoon.support.reflect.reference.CtActualTypeContainerImpl", // 
        "spoon.support.reflect.code.CtCFlowBreakImpl", // 
        "spoon.support.reflect.code.CtLabelledFlowBreakImpl", // 
        "spoon.support.reflect.declaration.CtCodeSnippetImpl", // 
        "spoon.support.reflect.declaration.CtFormalTypeDeclarerImpl", // 
        "spoon.support.reflect.declaration.CtGenericElementImpl", // 
        "spoon.support.reflect.reference.CtGenericElementReferenceImpl", // 
        "spoon.support.reflect.declaration.CtModifiableImpl", // 
        "spoon.support.reflect.declaration.CtMultiTypedElementImpl", "spoon.support.reflect.declaration.CtTypeMemberImpl", "spoon.support.reflect.code.CtRHSReceiverImpl", "spoon.support.reflect.declaration.CtShadowableImpl", "spoon.support.reflect.code.CtBodyHolderImpl", "spoon.support.reflect.declaration.CtModuleDirectiveImpl");

        private final List<String> excludesFields = Arrays.asList("factory", "elementValues", "target", "metadata");

        private final CtTypeReference<List> LIST_REFERENCE = factory.Type().createReference(List.class);

        private final CtTypeReference<Collection> COLLECTION_REFERENCE = factory.Type().createReference(Collection.class);

        private final CtTypeReference<Set> SET_REFERENCE = factory.Type().createReference(Set.class);

        private final CtTypeReference<CtElement> CTELEMENT_REFERENCE = factory.Type().createReference(CtElement.class);

        private final CtClass<?> GETTER_TEMPLATE_MATCHER_CLASS = factory.Class().get(GENERATING_CLONE_PACKAGE + ".GetterTemplateMatcher");

        private final CtClass<?> SETTER_TEMPLATE_MATCHER_CLASS = factory.Class().get(GENERATING_CLONE_PACKAGE + ".SetterTemplateMatcher");

        @Override
        public <T> void visitCtMethod(CtMethod<T> element) {
            if (!element.getSimpleName().startsWith("visitCt") && !element.getSimpleName().startsWith("scanCt")) {
                return;
            }
            if ("scanCtVisitable".equals(element.getSimpleName())) {
                return;
            }
            final String qualifiedNameOfImplClass = "spoon.support" + element.getParameters().get(0).getType().getQualifiedName().substring(5) + "Impl";
            if (excludesAST.contains(qualifiedNameOfImplClass)) {
                return;
            }
            final CtType<?> declaration = factory.Class().get(qualifiedNameOfImplClass);
            if (declaration == null) {
                throw new SpoonException(qualifiedNameOfImplClass + " doesn't have declaration in the source path for " + element.getSignature());
            }
            CtMethod<T> clone = element.clone();
            clone.getBody().getStatements().clear();
            for (CtField<?> ctField : declaration.getFields()) {
                if (excludesFields.contains(ctField.getSimpleName())) {
                    continue;
                }
                if (isConstantOrStatic(ctField)) {
                    continue;
                }
                if (isSubTypeOfCtElement(ctField.getType())) {
                    continue;
                }
                final CtMethod<?> setterOfField = getSetterOf(ctField);
                final CtInvocation<?> setterInvocation = createSetterInvocation(// 
                element.getParameters().get(0).getType(), // 
                setterOfField, createGetterInvocation(element.getParameters().get(0), getGetterOf(ctField)));
                final List<CtMethod<?>> methodsToAvoid = getCtMethodThrowUnsupportedOperation(setterOfField);
                if (methodsToAvoid.size() > 0) {
                    clone.getBody().addStatement(createProtectionToException(setterInvocation, methodsToAvoid));
                } else {
                    clone.getBody().addStatement(setterInvocation);
                }
            }
            if (clone.getBody().getStatements().size() > 0) {
                clone.getBody().insertEnd(createSuperInvocation(element));
                // Add auto-generated comment.
                final CtComment comment = factory.Core().createComment();
                comment.setCommentType(CtComment.CommentType.INLINE);
                comment.setContent("auto-generated, see " + CloneVisitorGenerator.class.getName());
                clone.addComment(comment);
                targetBuilder.addMethod(clone);
            }
        }

        /**
         * Creates <code>if (!(other instanceof CtX && other instanceof CtY && ..)) {}</code>.
         */
        private CtIf createProtectionToException(CtInvocation<?> setterInvocation, List<CtMethod<?>> methodsAvoid) {
            final CtIf anIf = factory.Core().createIf();
            anIf.setCondition(factory.Core().createUnaryOperator().setOperand(createBinaryConditions(methodsAvoid)).setKind(UnaryOperatorKind.NOT));
            anIf.setThenStatement(factory.Code().createCtBlock(setterInvocation));
            return anIf;
        }

        /**
         * Creates <code>condition && condition && ...</code>.
         *
         * @param methodsAvoid Methods to avoid.
         */
        private CtExpression<Object> createBinaryConditions(List<CtMethod<?>> methodsAvoid) {
            CtExpression<Object> left = null;
            CtExpression<Object> right;
            for (int i = 0; i < methodsAvoid.size(); i++) {
                final CtInterface<?> ctInterface = getInterfaceOf(methodsAvoid.get(i).getDeclaringType());
                if (i == 0) {
                    left = // 
                    factory.Code().createBinaryOperator(// 
                    otherRead, // 
                    factory.Code().createTypeAccess(ctInterface.getReference()), BinaryOperatorKind.INSTANCEOF);
                } else {
                    right = // 
                    factory.Code().createBinaryOperator(// 
                    otherRead, // 
                    factory.Code().createTypeAccess(ctInterface.getReference()), BinaryOperatorKind.INSTANCEOF);
                    left = factory.Code().createBinaryOperator(left, right, BinaryOperatorKind.OR);
                }
            }
            return left;
        }

        /**
         * Query to get all methods which throw an UnsupportedOperationException. We must avoid to call these methods during a clone process.
         */
        private List<CtMethod<?>> getCtMethodThrowUnsupportedOperation(CtMethod<?> method) {
            final List<CtMethod<?>> avoid = new ArrayList<>();
            final CtInterface<?> ctInterface = getInterfaceOf(method.getDeclaringType());
            if (ctInterface == null) {
                return avoid;
            }
            final CtMethod<?> declarationMethod = getMethodByCtMethod(ctInterface, method);
            for (CtMethod<?> ctMethod : Query.getElements(factory, new OverridingMethodFilter(declarationMethod))) {
                if (!avoidThrowUnsupportedOperationException(ctMethod)) {
                    avoid.add(ctMethod);
                }
            }
            return avoid;
        }

        /**
         * Check if the candidate method throw an UnsupportedOperationException.
         */
        private boolean avoidThrowUnsupportedOperationException(CtMethod<?> candidate) {
            if (candidate.getBody().getStatements().size() != 1) {
                return true;
            }
            if (!(candidate.getBody().getStatement(0) instanceof CtThrow)) {
                return true;
            }
            CtThrow ctThrow = candidate.getBody().getStatement(0);
            if (!(ctThrow.getThrownExpression() instanceof CtConstructorCall)) {
                return true;
            }
            final CtConstructorCall<? extends Throwable> thrownExpression = (CtConstructorCall<? extends Throwable>) ctThrow.getThrownExpression();
            if (!thrownExpression.getType().equals(factory.Type().createReference(UnsupportedOperationException.class))) {
                return true;
            }
            return false;
        }

        /**
         * Query to get a method from a CtMethod.
         */
        private CtMethod<?> getMethodByCtMethod(CtType<?> ctType, CtMethod<?> method) {
            for (CtMethod<?> ctMethod : ctType.getAllMethods()) {
                if (!method.getSimpleName().equals(ctMethod.getSimpleName())) {
                    continue;
                }
                boolean cont = method.getParameters().size() == ctMethod.getParameters().size();
                for (int i = 0; cont && i < method.getParameters().size(); i++) {
                    if (!method.getParameters().get(i).getType().equals(ctMethod.getParameters().get(i).getType())) {
                        cont = false;
                    }
                }
                if (cont) {
                    return ctMethod;
                }
            }
            throw new AssertionError("Can't find method " + method.getSignature() + " in the given interface " + ctType.getQualifiedName());
        }

        /**
         * Query to get the interface of the class.
         */
        private CtInterface<?> getInterfaceOf(CtType<?> declaringType) {
            final CtTypeReference<?>[] interfaces = declaringType.getSuperInterfaces().toArray(new CtTypeReference[declaringType.getSuperInterfaces().size()]);
            for (CtTypeReference<?> anInterface : interfaces) {
                if (anInterface.getSimpleName().equals(declaringType.getSimpleName().substring(0, declaringType.getSimpleName().length() - 4))) {
                    return (CtInterface<?>) anInterface.getDeclaration();
                }
            }
            throw new AssertionError("You should have the interface for the implementation " + declaringType.getQualifiedName());
        }

        /**
         * Creates <code>super.visitMethod(element)</code>.
         *
         * @param element <code>visitMethod</code>.
         */
        private <T> CtInvocation<T> createSuperInvocation(CtMethod<T> element) {
            return factory.Code().createInvocation(factory.Core().createSuperAccess(), element.getReference(), factory.Code().createVariableRead(element.getParameters().get(0).getReference(), false));
        }

        /**
         * Creates <code>((CtElement) other).setX(element.getX())</code>
         * or <code>((CtElement) other).setX(new Collection(element.getX()))</code>
         * if the field is a collection.
         *
         * @param type <code>CtElement</code>
         * @param setter <code>setX</code>.
         * @param getter <code>getX</code>.
         */
        private CtInvocation<?> createSetterInvocation(CtTypeReference<?> type, CtMethod<?> setter, CtInvocation<?> getter) {
            return factory.Code().createInvocation(otherRead.clone().addTypeCast(type), setter.getReference(), getter);
        }

        /**
         * Creates <code>element.getX()</code>.
         *
         * @param element <code>element</code>.
         * @param getter <code>getX</code>.
         */
        private CtInvocation<?> createGetterInvocation(CtParameter<?> element, CtMethod<?> getter) {
            return factory.Code().createInvocation(factory.Code().createVariableRead(element.getReference(), false), getter.getReference());
        }

        /**
         * Query to get the setter of given field.
         */
        private <T> CtMethod<?> getSetterOf(final CtField<T> ctField) {
            if (ctField.getType().equals(getFactory().createCtTypeReference(CtModifierHandler.class))) {
                return ctField.getDeclaringType().getMethodsByName("setModifiers").get(0);
            }
            // Search by name convention.
            for (CtMethod<?> ctMethod : ctField.getDeclaringType().getMethods()) {
                if (ctMethod.getSimpleName().startsWith("set") && ctMethod.getSimpleName().toLowerCase().contains(ctField.getSimpleName().toLowerCase())) {
                    if (ctMethod.getParameters().size() != 1) {
                        continue;
                    }
                    if (!ctMethod.getParameters().get(0).getType().equals(ctField.getType())) {
                        continue;
                    }
                    return ctMethod;
                }
            }
            SETTER_TEMPLATE_MATCHER_CLASS.getMethod("setElement", factory.Type().BOOLEAN_PRIMITIVE).getBody();
            final List<CtMethod> matchers = ctField.getDeclaringType().getElements(new TypeFilter<CtMethod>(CtMethod.class) {

                @Override
                public boolean matches(CtMethod element) {
                    final CtBlock body = element.getBody();
                    if (body.getStatements().size() != 3) {
                        return false;
                    }
                    if (body.getStatement(1) instanceof CtAssignment) {
                        final CtExpression assigned = ((CtAssignment) body.getStatement(1)).getAssigned();
                        if (!(assigned instanceof CtFieldAccess)) {
                            return false;
                        }
                        if (!((CtFieldAccess) assigned).getVariable().getSimpleName().equals(ctField.getSimpleName())) {
                            return false;
                        }
                    } else {
                        return false;
                    }
                    return true;
                }
            });
            if (matchers.size() != 1) {
                throw new SpoonException("Get more than one setter. Please make an more ingenious method to get setter method. " + matchers.size() + " " + ctField);
            }
            return matchers.get(0);
        }

        /**
         * Query to get the getter of the given field.
         */
        private <T> CtMethod<?> getGetterOf(CtField<T> ctField) {
            if (ctField.getType().equals(getFactory().createCtTypeReference(CtModifierHandler.class))) {
                return ctField.getDeclaringType().getMethod("getModifiers");
            }
            // Search by name convention.
            for (CtMethod<?> ctMethod : ctField.getDeclaringType().getMethods()) {
                if (// 
                (ctMethod.getSimpleName().startsWith("get") || ctMethod.getSimpleName().startsWith("is")) && ctMethod.getSimpleName().toLowerCase().contains(ctField.getSimpleName().toLowerCase())) {
                    if (!ctMethod.getType().equals(ctField.getType())) {
                        continue;
                    }
                    if (ctMethod.getParameters().size() != 0) {
                        continue;
                    }
                    return ctMethod;
                }
            }
            // Search with template.
            final CtBlock<?> templateRoot = GETTER_TEMPLATE_MATCHER_CLASS.getMethod("getElement").getBody();
            ((CtReturn) templateRoot.getStatement(0)).setReturnedExpression(factory.Code().createVariableRead(ctField.getReference(), true));
            List<CtMethod> matchers = ctField.getDeclaringType().getElements(new TypeFilter<CtMethod>(CtMethod.class) {

                @Override
                public boolean matches(CtMethod element) {
                    return element.getBody().toString().equals(templateRoot.toString());
                }
            });
            if (matchers.isEmpty()) {
                throw new SpoonException("No getter found for field " + ctField);
            }
            if (matchers.size() > 1) {
                throw new SpoonException("Get more than one getter (" + StringUtils.join(matchers, ";") + "). Please make an more ingenious method to get getter method.");
            }
            return matchers.get(0);
        }

        /**
         * Check if the type is a subtype of CtElement.
         */
        private boolean isSubTypeOfCtElement(CtTypeReference<?> type) {
            if (!type.isPrimitive() && !type.equals(factory.Type().STRING)) {
                if (type.isSubtypeOf(factory.Type().createReference(CtElement.class))) {
                    return true;
                }
                if (type.getQualifiedName().equals(LIST_REFERENCE.getQualifiedName()) || type.getQualifiedName().equals(COLLECTION_REFERENCE.getQualifiedName()) || type.getQualifiedName().equals(SET_REFERENCE.getQualifiedName())) {
                    if (type.getActualTypeArguments().get(0).isSubtypeOf(CTELEMENT_REFERENCE)) {
                        return true;
                    }
                }
            }
            return false;
        }

        private boolean isConstantOrStatic(CtField<?> ctField) {
            return ctField.getModifiers().contains(ModifierKind.FINAL) || ctField.getModifiers().contains(ModifierKind.STATIC);
        }
    }.scan(getFactory().Class().get(CtInheritanceScanner.class));
}
Also used : CtParameter(spoon.reflect.declaration.CtParameter) CtInvocation(spoon.reflect.code.CtInvocation) CtTypeReference(spoon.reflect.reference.CtTypeReference) CtExecutableReference(spoon.reflect.reference.CtExecutableReference) ArrayList(java.util.ArrayList) List(java.util.List) CtInterface(spoon.reflect.declaration.CtInterface) CtAssignment(spoon.reflect.code.CtAssignment) CtElement(spoon.reflect.declaration.CtElement) CtLocalVariable(spoon.reflect.code.CtLocalVariable) CtIf(spoon.reflect.code.CtIf) CtType(spoon.reflect.declaration.CtType) CtConstructorCall(spoon.reflect.code.CtConstructorCall) Collection(java.util.Collection) CtScanner(spoon.reflect.visitor.CtScanner) CtMethod(spoon.reflect.declaration.CtMethod) CtComment(spoon.reflect.code.CtComment) CtFieldAccess(spoon.reflect.code.CtFieldAccess) Set(java.util.Set) Factory(spoon.reflect.factory.Factory) TypeFilter(spoon.reflect.visitor.filter.TypeFilter) CtThrow(spoon.reflect.code.CtThrow) CtField(spoon.reflect.declaration.CtField) CtInheritanceScanner(spoon.reflect.visitor.CtInheritanceScanner) OverridingMethodFilter(spoon.reflect.visitor.filter.OverridingMethodFilter) CtVariableAccess(spoon.reflect.code.CtVariableAccess) SpoonException(spoon.SpoonException) CtExpression(spoon.reflect.code.CtExpression) CtBlock(spoon.reflect.code.CtBlock)

Example 4 with CtThrow

use of spoon.reflect.code.CtThrow in project spoon by INRIA.

the class VisitorPartialEvaluator method visitCtThrow.

public void visitCtThrow(CtThrow throwStatement) {
    CtThrow r = throwStatement.getFactory().Core().createThrow();
    r.setThrownExpression(evaluate(throwStatement.getThrownExpression()));
    setResult(r);
    flowEnded = true;
}
Also used : CtThrow(spoon.reflect.code.CtThrow)

Example 5 with CtThrow

use of spoon.reflect.code.CtThrow in project spoon by INRIA.

the class IntercessionScanner method avoidThrowUnsupportedOperationException.

protected boolean avoidThrowUnsupportedOperationException(CtMethod<?> candidate) {
    if (candidate.getBody().getStatements().size() != 1) {
        return true;
    }
    if (!(candidate.getBody().getStatement(0) instanceof CtThrow)) {
        return true;
    }
    CtThrow ctThrow = candidate.getBody().getStatement(0);
    if (!(ctThrow.getThrownExpression() instanceof CtConstructorCall)) {
        return true;
    }
    final CtConstructorCall<? extends Throwable> thrownExpression = (CtConstructorCall<? extends Throwable>) ctThrow.getThrownExpression();
    if (!thrownExpression.getType().equals(factory.Type().createReference(UnsupportedOperationException.class))) {
        return true;
    }
    return false;
}
Also used : CtThrow(spoon.reflect.code.CtThrow) CtConstructorCall(spoon.reflect.code.CtConstructorCall)

Aggregations

CtThrow (spoon.reflect.code.CtThrow)6 CtConstructorCall (spoon.reflect.code.CtConstructorCall)2 ArrayList (java.util.ArrayList)1 Collection (java.util.Collection)1 List (java.util.List)1 Set (java.util.Set)1 Test (org.junit.Test)1 SpoonException (spoon.SpoonException)1 CtAssignment (spoon.reflect.code.CtAssignment)1 CtBlock (spoon.reflect.code.CtBlock)1 CtCatch (spoon.reflect.code.CtCatch)1 CtCatchVariable (spoon.reflect.code.CtCatchVariable)1 CtComment (spoon.reflect.code.CtComment)1 CtExpression (spoon.reflect.code.CtExpression)1 CtFieldAccess (spoon.reflect.code.CtFieldAccess)1 CtIf (spoon.reflect.code.CtIf)1 CtInvocation (spoon.reflect.code.CtInvocation)1 CtLocalVariable (spoon.reflect.code.CtLocalVariable)1 CtVariableAccess (spoon.reflect.code.CtVariableAccess)1 CtElement (spoon.reflect.declaration.CtElement)1