Examples with CtInvocation spoon.reflect.code.CtInvocation used on opensource projects

Example 11 with CtInvocation

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

the class ReplaceTest method testReplaceAParameterReferenceToFieldReference.

@Test
public void testReplaceAParameterReferenceToFieldReference() throws Exception {
    // contract: replace a parameter reference to a field reference.
    final Factory factory = build(Tacos.class);
    final CtType<Tacos> aTacos = factory.Type().get(Tacos.class);
    final CtInvocation inv = aTacos.getMethodsByName("m3").get(0).getElements(new TypeFilter<>(CtInvocation.class)).get(0);
    final CtVariableRead<?> variableRead = (CtVariableRead<?>) inv.getArguments().get(0);
    final CtParameterReference<?> aParameterReference = (CtParameterReference<?>) variableRead.getVariable();
    final CtFieldReference<?> aFieldReference = aTacos.getField("field").getReference();
    assertEquals(aParameterReference, variableRead.getVariable());
    assertEquals("java.lang.System.err.println(param)", inv.toString());
    aParameterReference.replace(aFieldReference);
    assertEquals(aFieldReference, variableRead.getVariable());
    assertEquals("java.lang.System.err.println(field)", inv.toString());
}

Example 12 with CtInvocation

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

the class TargetedExpressionTest method testStaticTargetsOfInvNoClasspath.

@Test
public void testStaticTargetsOfInvNoClasspath() throws Exception {
    // contract: Specify declaring type of the executable of an invocation, the target of the invocation and its result. All this in no classpath mode.
    final Launcher launcher = new Launcher();
    launcher.getEnvironment().setNoClasspath(true);
    launcher.addInputResource("./src/test/resources/spoon/test/noclasspath/targeted/Foo.java");
    launcher.setSourceOutputDirectory("./target/noclasspath");
    launcher.run();
    final CtTypeReference<Object> foo = launcher.getFactory().Class().createReference("Foo");
    final CtTypeReference<Object> bar = launcher.getFactory().Class().createReference("Bar");
    final CtThisAccess<Object> expectedThisAccess = launcher.getFactory().Code().createThisAccess(foo);
    final CtTypeAccess<Object> expectedTypeAccess = launcher.getFactory().Code().createTypeAccess(foo);
    final CtTypeAccess<Object> expectedBarTypeAccess = launcher.getFactory().Code().createTypeAccess(bar);
    final CtTypeAccess<Object> fiiFuuTypeAccess = launcher.getFactory().Code().createTypeAccess(launcher.getFactory().Type().createReference("Fii.Fuu"));
    final CtMethod<?> invMethod = launcher.getFactory().Class().get("Foo").getMethodsByName("inv").get(0);
    final List<CtInvocation<?>> elements = invMethod.getElements(new TypeFilter<>(CtInvocation.class));
    assertEquals(8, elements.size());
    assertEqualsInvocation(new ExpectedTargetedExpression().target(CtConstructorCallImpl.class).result("new Foo(0, 0).staticMethod()"), elements.get(0));
    assertEqualsInvocation(new ExpectedTargetedExpression().target(CtFieldReadImpl.class).result("foo.staticMethod()"), elements.get(1));
    assertEqualsInvocation(new ExpectedTargetedExpression().target(expectedThisAccess).result("this.staticMethod()"), elements.get(2));
    assertEqualsInvocation(new ExpectedTargetedExpression().target(expectedTypeAccess).result("Foo.staticMethod()"), elements.get(3));
    assertEqualsInvocation(new ExpectedTargetedExpression().target(expectedThisAccess).result("staticMethod()"), elements.get(4));
    assertEqualsInvocation(new ExpectedTargetedExpression().declaringType(bar).target(expectedBarTypeAccess).result("Bar.staticMethodBar()"), elements.get(5));
    assertEqualsInvocation(new ExpectedTargetedExpression().declaringType(bar).target(expectedBarTypeAccess).result("Bar.staticMethodBar()"), elements.get(6));
    assertEqualsInvocation(new ExpectedTargetedExpression().declaringType(launcher.getFactory().Class().create("Fii.Fuu").getReference()).target(fiiFuuTypeAccess).result("Fii.Fuu.m()"), elements.get(7));
}

Example 13 with CtInvocation

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

the class TargetedExpressionTest method testTargetsOfInv.

@Test
public void testTargetsOfInv() throws Exception {
    // contract: Specify declaring type of the executable of an invocation, the target of the invocation and its result.
    final Factory factory = build(Foo.class, Bar.class, SuperClass.class);
    final CtClass<Foo> type = factory.Class().get(Foo.class);
    final CtClass<Foo.Fii.Fuu> fuu = factory.Class().<Foo.Fii.Fuu>get(Foo.Fii.Fuu.class);
    final CtTypeReference<Foo> expectedType = type.getReference();
    final CtTypeReference<Bar> expectedBarType = factory.Class().<Bar>get(Bar.class).getReference();
    final CtTypeReference<SuperClass> expectedSuperClassType = factory.Class().<SuperClass>get(SuperClass.class).getReference();
    final CtTypeReference<Foo.Fii.Fuu> expectedFuuType = fuu.getReference();
    final CtThisAccess<Foo> expectedThisAccess = factory.Code().createThisAccess(expectedType);
    final CtTypeAccess<Foo> fooTypeAccess = factory.Code().createTypeAccess(expectedType);
    final CtTypeAccess<SuperClass> superClassTypeAccess = factory.Code().createTypeAccess(expectedSuperClassType);
    final CtThisAccess<Foo> expectedSuperThisAccess = factory.Code().createThisAccess(expectedType);
    expectedSuperThisAccess.setTarget(superClassTypeAccess);
    final List<CtInvocation<?>> elements = type.getMethodsByName("inv").get(0).getElements(new TypeFilter<CtInvocation<?>>(CtInvocation.class));
    assertEquals(7, elements.size());
    assertEqualsInvocation(new ExpectedTargetedExpression().declaringType(expectedType).target(CtConstructorCallImpl.class).result("new spoon.test.targeted.testclasses.Foo(0, 0).method()"), elements.get(0));
    assertEqualsInvocation(new ExpectedTargetedExpression().declaringType(expectedType).target(CtFieldReadImpl.class).result("foo.method()"), elements.get(1));
    assertEqualsInvocation(new ExpectedTargetedExpression().declaringType(expectedType).target(expectedThisAccess).result("this.method()"), elements.get(2));
    assertEqualsInvocation(new ExpectedTargetedExpression().declaringType(expectedType).target(expectedThisAccess).result("method()"), elements.get(3));
    assertEqualsInvocation(new ExpectedTargetedExpression().declaringType(expectedBarType).target(CtFieldReadImpl.class).result("bar.methodBar()"), elements.get(4));
    assertEqualsInvocation(new ExpectedTargetedExpression().declaringType(expectedFuuType).target(CtFieldReadImpl.class).result("fuu.method()"), elements.get(5));
    assertEqualsInvocation(new ExpectedTargetedExpression().declaringType(expectedSuperClassType).target(expectedSuperThisAccess).result("superMethod()"), elements.get(6));
    assertEquals(fooTypeAccess.getType().getQualifiedName(), ((CtThisAccess) elements.get(2).getTarget()).getTarget().getType().getQualifiedName());
    assertEquals(fooTypeAccess.getType().getQualifiedName(), ((CtThisAccess) elements.get(3).getTarget()).getTarget().getType().getQualifiedName());
}

Example 14 with CtInvocation

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

the class ImportScannerImpl method isTypeInCollision.

/**
 * Test if the reference can be imported, i.e. test if the importation could lead to a collision.
 * @param ref
 * @return true if the ref should be imported.
 */
protected boolean isTypeInCollision(CtReference ref, boolean fqnMode) {
    if (targetType != null && targetType.getSimpleName().equals(ref.getSimpleName()) && !targetType.equals(ref)) {
        return true;
    }
    try {
        CtElement parent;
        if (ref instanceof CtTypeReference) {
            parent = ref.getParent();
        } else {
            parent = ref;
        }
        // i.e. a string, an int, etc.
        if (parent instanceof CtLiteral) {
            return false;
        }
        Set<String> localVariablesOfBlock = new HashSet<>();
        if (parent instanceof CtField) {
            this.fieldAndMethodsNames.add(((CtField) parent).getSimpleName());
        } else if (parent instanceof CtMethod) {
            this.fieldAndMethodsNames.add(((CtMethod) parent).getSimpleName());
        } else {
            localVariablesOfBlock = this.lookForLocalVariables(parent);
        }
        while (!(parent instanceof CtPackage)) {
            if ((parent instanceof CtFieldReference) || (parent instanceof CtExecutableReference) || (parent instanceof CtInvocation)) {
                CtReference parentType;
                if (parent instanceof CtInvocation) {
                    parentType = ((CtInvocation) parent).getExecutable();
                } else {
                    parentType = (CtReference) parent;
                }
                LinkedList<String> qualifiedNameTokens = new LinkedList<>();
                // we don't want to test the current ref name, as we risk to create field import and make autoreference
                if (parentType != parent) {
                    qualifiedNameTokens.add(parentType.getSimpleName());
                }
                CtTypeReference typeReference;
                if (parent instanceof CtFieldReference) {
                    typeReference = ((CtFieldReference) parent).getDeclaringType();
                } else if (parent instanceof CtExecutableReference) {
                    typeReference = ((CtExecutableReference) parent).getDeclaringType();
                } else {
                    typeReference = ((CtInvocation) parent).getExecutable().getDeclaringType();
                }
                if (typeReference != null) {
                    qualifiedNameTokens.addFirst(typeReference.getSimpleName());
                    if (typeReference.getPackage() != null) {
                        StringTokenizer token = new StringTokenizer(typeReference.getPackage().getSimpleName(), CtPackage.PACKAGE_SEPARATOR);
                        int index = 0;
                        while (token.hasMoreElements()) {
                            qualifiedNameTokens.add(index, token.nextToken());
                            index++;
                        }
                    }
                }
                if (!qualifiedNameTokens.isEmpty()) {
                    // if the first package name is a variable name somewhere, it could lead to a collision
                    if (fieldAndMethodsNames.contains(qualifiedNameTokens.getFirst()) || localVariablesOfBlock.contains(qualifiedNameTokens.getFirst())) {
                        qualifiedNameTokens.removeFirst();
                        if (fqnMode) {
                            // for example: spoon.Launcher if a field spoon and another one Launcher exists
                            if (ref instanceof CtTypeReference) {
                                if (qualifiedNameTokens.isEmpty()) {
                                    return true;
                                }
                                // but if the other package names are not a variable name, it's ok to import
                                for (int i = 0; i < qualifiedNameTokens.size(); i++) {
                                    String testedToken = qualifiedNameTokens.get(i);
                                    if (!fieldAndMethodsNames.contains(testedToken) && !localVariablesOfBlock.contains(testedToken)) {
                                        return true;
                                    }
                                }
                                return false;
                            // However if it is a static method/field, we always accept to import them in this case
                            // It is the last possibility for managing import for us
                            } else {
                                return true;
                            }
                        } else {
                            // but if the other package names are not a variable name, it's ok to import
                            for (int i = 0; i < qualifiedNameTokens.size(); i++) {
                                String testedToken = qualifiedNameTokens.get(i);
                                if (!fieldAndMethodsNames.contains(testedToken) && !localVariablesOfBlock.contains(testedToken)) {
                                    return false;
                                }
                            }
                            return true;
                        }
                    }
                }
            }
            parent = parent.getParent();
        }
    } catch (ParentNotInitializedException e) {
        return false;
    }
    return false;
}

Example 15 with CtInvocation

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

the class ImportScannerImpl method addClassImport.

/**
 * Adds a type to the classImports.
 */
protected boolean addClassImport(CtTypeReference<?> ref) {
    this.exploredReferences.add(ref);
    if (ref == null) {
        return false;
    }
    if (targetType != null && targetType.getSimpleName().equals(ref.getSimpleName()) && !targetType.equals(ref)) {
        return false;
    }
    if (classImports.containsKey(ref.getSimpleName())) {
        return isImportedInClassImports(ref);
    }
    // don't import unnamed package elements
    if (ref.getPackage() == null || ref.getPackage().isUnnamedPackage()) {
        return false;
    }
    if (targetType != null && targetType.canAccess(ref) == false) {
        // ref type is not visible in targetType we must not add import for it, java compiler would fail on that.
        return false;
    }
    if (this.isThereAnotherClassWithSameNameInAnotherPackage(ref)) {
        return false;
    }
    if (targetType != null) {
        try {
            CtElement parent = ref.getParent();
            if (parent != null) {
                parent = parent.getParent();
                if (parent != null) {
                    if ((parent instanceof CtFieldAccess) || (parent instanceof CtExecutable) || (parent instanceof CtInvocation)) {
                        CtTypeReference declaringType;
                        CtReference reference;
                        CtPackageReference pack = targetType.getPackage();
                        if (parent instanceof CtFieldAccess) {
                            CtFieldAccess field = (CtFieldAccess) parent;
                            CtFieldReference localReference = field.getVariable();
                            declaringType = localReference.getDeclaringType();
                            reference = localReference;
                        } else if (parent instanceof CtExecutable) {
                            CtExecutable exec = (CtExecutable) parent;
                            CtExecutableReference localReference = exec.getReference();
                            declaringType = localReference.getDeclaringType();
                            reference = localReference;
                        } else if (parent instanceof CtInvocation) {
                            CtInvocation invo = (CtInvocation) parent;
                            CtExecutableReference localReference = invo.getExecutable();
                            declaringType = localReference.getDeclaringType();
                            reference = localReference;
                        } else {
                            declaringType = null;
                            reference = null;
                        }
                        if (reference != null && isImported(reference)) {
                            // if we are in the **same** package we do the import for test with method isImported
                            if (declaringType != null) {
                                if (declaringType.getPackage() != null && !declaringType.getPackage().isUnnamedPackage()) {
                                    // ignore java.lang package
                                    if (!declaringType.getPackage().getSimpleName().equals("java.lang")) {
                                        // ignore type in same package
                                        if (declaringType.getPackage().getSimpleName().equals(pack.getSimpleName())) {
                                            classImports.put(ref.getSimpleName(), ref);
                                            return true;
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        } catch (ParentNotInitializedException e) {
        }
        CtPackageReference pack = targetType.getPackage();
        if (pack != null && ref.getPackage() != null && !ref.getPackage().isUnnamedPackage()) {
            // ignore java.lang package
            if (!ref.getPackage().getSimpleName().equals("java.lang")) {
                // ignore type in same package
                if (ref.getPackage().getSimpleName().equals(pack.getSimpleName())) {
                    return false;
                }
            }
        }
    }
    classImports.put(ref.getSimpleName(), ref);
    return true;
}