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

Example 1 with CtInvocation

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

the class CommentTest method testBlockComment.

@Test
public void testBlockComment() {
    Factory f = getSpoonFactory();
    CtClass<?> type = (CtClass<?>) f.Type().get(BlockComment.class);
    String strType = type.toString();
    List<CtComment> comments = type.getElements(new TypeFilter<CtComment>(CtComment.class));
    // verify that the number of comment present in the AST is correct
    assertEquals(51, comments.size());
    // verify that all comments present in the AST is printed
    for (CtComment comment : comments) {
        if (comment.getCommentType() == CtComment.CommentType.FILE) {
            // the header of the file is not printed with the toString
            continue;
        }
        assertNotNull(comment.getParent());
        assertTrue(comment.toString() + ":" + comment.getParent() + " is not printed", strType.contains(comment.toString()));
    }
    assertEquals(4, type.getComments().size());
    assertEquals(createFakeBlockComment(f, "comment class"), type.getComments().get(1));
    CtField<?> field = type.getField("field");
    assertEquals(2, field.getComments().size());
    assertEquals(createFakeBlockComment(f, "Comment Field"), field.getComments().get(0));
    assertEquals("/* Comment Field */" + newLine + "/* comment in field */" + newLine + "private int field = 10;", field.toString());
    CtAnonymousExecutable ctAnonymousExecutable = type.getAnonymousExecutables().get(0);
    assertEquals(1, ctAnonymousExecutable.getComments().size());
    assertEquals(createFakeBlockComment(f, "comment static block"), ctAnonymousExecutable.getComments().get(0));
    assertEquals(createFakeBlockComment(f, "comment inside static"), ctAnonymousExecutable.getBody().getStatement(0));
    assertEquals("/* comment static block */" + newLine + "static {" + newLine + "    /* comment inside static */" + newLine + "}", ctAnonymousExecutable.toString());
    CtConstructor constructor = type.getConstructor();
    assertEquals(1, constructor.getComments().size());
    assertEquals(createFakeBlockComment(f, "comment constructor"), constructor.getComments().get(0));
    // index 0 is the implicit super call
    assertEquals(createFakeBlockComment(f, "Comment in constructor"), constructor.getBody().getStatement(1));
    assertEquals("/* comment constructor */" + newLine + "public BlockComment() {" + newLine + "    /* Comment in constructor */" + newLine + "}", constructor.toString());
    CtMethod<Object> m = type.getMethod("m");
    assertEquals(1, m.getComments().size());
    assertEquals(createFakeBlockComment(f, "comment method"), m.getComments().get(0));
    assertEquals(createFakeBlockComment(f, "comment empty method block"), m.getBody().getStatement(0));
    assertEquals("/* comment method */" + newLine + "public void m() {" + newLine + "    /* comment empty method block */" + newLine + "}", m.toString());
    CtMethod<Object> m1 = type.getMethod("m1");
    CtSwitch ctSwitch = m1.getBody().getStatement(0);
    assertEquals(createFakeBlockComment(f, "comment switch"), ctSwitch.getComments().get(0));
    assertEquals("/* comment switch */" + newLine + "switch (1) {" + newLine + "    /* before first case */" + newLine + "    case 0 :" + newLine + "        /* comment case 0: empty case */" + newLine + "    case 1 :" + newLine + "        /* comment case 1 */" + newLine + "        int i = 0;" + newLine + "    default :" + newLine + "        /* comment default */" + newLine + "}", ctSwitch.toString());
    CtFor ctFor = m1.getBody().getStatement(1);
    assertEquals(createFakeBlockComment(f, "comment for"), ctFor.getComments().get(0));
    assertEquals("/* comment for */" + newLine + "for (int i = 0; i < 10; i++) {" + newLine + "    /* comment for block */" + newLine + "}", ctFor.toString());
    CtIf ctIf = m1.getBody().getStatement(2);
    assertEquals(createFakeBlockComment(f, "comment if"), ctIf.getComments().get(0));
    assertEquals("/* comment if */" + newLine + "if ((1 % 2) == 0) {" + newLine + "    /* comment unary operator */" + newLine + "    (field)++;" + newLine + "}", ctIf.toString());
    CtConstructorCall ctConstructorCall = m1.getBody().getStatement(3);
    assertEquals(createFakeBlockComment(f, "comment constructor call"), ctConstructorCall.getComments().get(0));
    assertEquals("/* comment constructor call */" + newLine + "new spoon.test.comment.testclasses.BlockComment()", ctConstructorCall.toString());
    CtInvocation ctInvocation = m1.getBody().getStatement(4);
    assertEquals(createFakeBlockComment(f, "comment invocation"), ctInvocation.getComments().get(0));
    assertEquals("/* comment invocation */" + newLine + "this.m()", ctInvocation.toString());
    CtLocalVariable ctLocalVariable = m1.getBody().getStatement(5);
    assertEquals(createFakeBlockComment(f, "comment local variable"), ctLocalVariable.getComments().get(0));
    assertEquals("/* comment local variable */" + newLine + "int i = 0", ctLocalVariable.toString());
    CtLocalVariable ctLocalVariable2 = m1.getBody().getStatement(6);
    assertEquals(createFakeBlockComment(f, "comment multi assignments"), ctLocalVariable2.getComments().get(0));
    assertEquals("/* comment multi assignments */" + newLine + "int j = 2", ctLocalVariable2.toString());
    CtDo ctDo = m1.getBody().getStatement(7);
    assertEquals(createFakeBlockComment(f, "comment dowhile"), ctDo.getComments().get(0));
    assertEquals("/* comment dowhile */" + newLine + "do {" + newLine + "    /* comment in do while */" + newLine + "    i++;" + newLine + "    /* comment end do while */" + newLine + "} while (i < 10 )", ctDo.toString());
    CtTry ctTry = m1.getBody().getStatement(8);
    assertEquals(createFakeBlockComment(f, "comment try"), ctTry.getComments().get(0));
    assertEquals("/* comment try */" + newLine + "try {" + newLine + "    /* comment in try */" + newLine + "    i++;" + newLine + "} catch (java.lang.Exception e) {" + newLine + "    /* comment in catch */" + newLine + "}", ctTry.toString());
    CtSynchronized ctSynchronized = m1.getBody().getStatement(9);
    assertEquals(createFakeBlockComment(f, "comment synchronized"), ctSynchronized.getComments().get(0));
    assertEquals("/* comment synchronized */" + newLine + "synchronized(this) {" + newLine + "    /* comment in synchronized */" + newLine + "}", ctSynchronized.toString());
    CtReturn ctReturn = m1.getBody().getStatement(10);
    assertEquals(createFakeBlockComment(f, "comment return"), ctReturn.getComments().get(0));
    assertEquals("/* comment return */" + newLine + "return", ctReturn.toString());
    CtMethod m2 = type.getMethodsByName("m2").get(0);
    assertEquals(6, m2.getComments().size());
    CtParameter ctParameter = (CtParameter) m2.getParameters().get(0);
    assertEquals(4, ctParameter.getComments().size());
    assertEquals("/* comment before type */" + newLine + "/* comment after parameter */" + newLine + "/* comment before throws */" + newLine + "/* comment before exception 1 */" + newLine + "/* comment before exception 2 */" + newLine + "/* comment before block */" + newLine + "public void m2(/* comment before name */" + newLine + "/* comment before parameters */" + newLine + "/* comment before type parameter */" + newLine + "/* comment before name parameter */" + newLine + "int i) throws java.lang.Error, java.lang.Exception {" + newLine + "}", m2.toString());
}

Example 2 with CtInvocation

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

the class ExecutableRefTest method testOverridingMethod.

@Test
public void testOverridingMethod() throws Exception {
    final CtType<Pozole> aPozole = ModelUtils.buildClass(Pozole.class);
    final CtExecutableReference<?> run = aPozole.getMethodsByName("run").get(0).getReference();
    final List<CtInvocation<?>> elements = Query.getElements(run.getFactory(), new InvocationFilter(run));
    assertEquals(1, elements.size());
    assertEquals(run, elements.get(0).getExecutable());
}

Example 3 with CtInvocation

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

the class FilterTest method testInvocationFilterWithExecutableInLibrary.

@Test
public void testInvocationFilterWithExecutableInLibrary() throws Exception {
    // contract: When we have an invocation of an executable declared in a library,
    // we can filter it and get the executable of the invocation.
    final Launcher launcher = new Launcher();
    launcher.setArgs(new String[] { "--output-type", "nooutput" });
    launcher.addInputResource("./src/test/java/spoon/test/filters/testclasses");
    launcher.run();
    final CtClass<Tacos> aTacos = launcher.getFactory().Class().get(Tacos.class);
    final CtInvocation<?> invSize = aTacos.getElements(new TypeFilter<CtInvocation<?>>(CtInvocation.class) {

        @Override
        public boolean matches(CtInvocation<?> element) {
            if (element.getExecutable() == null) {
                return false;
            }
            return "size".equals(element.getExecutable().getSimpleName()) && super.matches(element);
        }
    }).get(0);
    final List<CtInvocation<?>> invocations = aTacos.getElements(new InvocationFilter(invSize.getExecutable()));
    assertEquals(1, invocations.size());
    final CtInvocation<?> expectedInv = invocations.get(0);
    assertNotNull(expectedInv);
    final CtExecutableReference<?> expectedExecutable = expectedInv.getExecutable();
    assertNotNull(expectedExecutable);
    assertEquals("size", expectedExecutable.getSimpleName());
    assertNull(expectedExecutable.getDeclaration());
    CtExecutable<?> exec = expectedExecutable.getExecutableDeclaration();
    assertEquals("size", exec.getSimpleName());
    assertEquals("ArrayList", ((CtClass) exec.getParent()).getSimpleName());
    final CtExecutable<?> declaration = expectedExecutable.getExecutableDeclaration();
    assertNotNull(declaration);
    assertEquals("size", declaration.getSimpleName());
}

Example 4 with CtInvocation

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

the class GenericsTest method testInvocationGenerics.

@Test
public void testInvocationGenerics() throws Exception {
    final Launcher launcher = new Launcher();
    launcher.run(new String[] { "-i", "./src/test/java/spoon/test/generics/testclasses/", "-o", "./target/spooned/" });
    final CtClass<?> aTacos = launcher.getFactory().Class().get(Tacos.class);
    final CtConstructor<?> defaultConstructor = aTacos.getConstructor();
    final CtInvocation<?> explicitConstructorCall = (CtInvocation<?>) defaultConstructor.getBody().getStatement(0).getElements(new TypeFilter<>(CtInvocation.class)).get(0);
    assertEquals(1, explicitConstructorCall.getExecutable().getActualTypeArguments().size());
    assertEquals("<java.lang.String>this(1)", explicitConstructorCall.toString());
    final CtMethod<?> m = aTacos.getMethodsByName("m2").get(0);
    final CtInvocation invocation1 = m.getBody().getStatement(0).getElements(new TypeFilter<>(CtInvocation.class)).get(0);
    assertEquals(1, invocation1.getExecutable().getActualTypeArguments().size());
    assertEquals("this.<java.lang.String>makeTacos(null)", invocation1.toString());
    final CtInvocation invocation2 = m.getBody().getStatement(1).getElements(new TypeFilter<>(CtInvocation.class)).get(0);
    assertEquals(0, invocation2.getExecutable().getActualTypeArguments().size());
    assertEquals("this.makeTacos(null)", invocation2.toString());
    canBeBuilt("./target/spooned/spoon/test/generics/testclasses/", 8);
}

Example 5 with CtInvocation

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

the class GenericsTest method testMethodTypingContext.

@Test
public void testMethodTypingContext() throws Exception {
    Factory factory = build(new File("src/test/java/spoon/test/generics/testclasses"));
    CtClass<?> ctClassWeddingLunch = factory.Class().get(WeddingLunch.class);
    CtMethod<?> trWeddingLunch_eatMe = ctClassWeddingLunch.filterChildren(new NamedElementFilter<>(CtMethod.class, "eatMe")).first();
    MethodTypingContext methodSTH = new MethodTypingContext().setMethod(trWeddingLunch_eatMe);
    // contract: the method typing context provides its scope
    assertSame(trWeddingLunch_eatMe, methodSTH.getAdaptationScope());
    CtClass<?> ctClassLunch = factory.Class().get(Lunch.class);
    CtMethod<?> trLunch_eatMe = ctClassLunch.filterChildren(new NamedElementFilter<>(CtMethod.class, "eatMe")).first();
    CtInvocation<?> invokeReserve = factory.Class().get(CelebrationLunch.class).filterChildren(new TypeFilter<>(CtInvocation.class)).select((CtInvocation i) -> "reserve".equals(i.getExecutable().getSimpleName())).first();
    MethodTypingContext methodReserveTC = new MethodTypingContext().setInvocation(invokeReserve);
    // contract: the method typing context provides its scope
    assertSame(invokeReserve.getExecutable().getDeclaration(), methodReserveTC.getAdaptationScope());
    // check that MethodTypingContext made from invocation knows actual type arguments of method and all declaring types
    // 1) check method actual type argument
    CtMethod<?> methodReserve = (CtMethod<?>) invokeReserve.getExecutable().getDeclaration();
    CtTypeParameter methodReserve_S = methodReserve.getFormalCtTypeParameters().get(0);
    assertEquals("S", methodReserve_S.getSimpleName());
    assertEquals("spoon.test.generics.testclasses.Tacos", methodReserveTC.adaptType(methodReserve_S).getQualifiedName());
    // 2) check actual type arguments of declaring type `Section`
    CtClass classSection = (CtClass) methodReserve.getDeclaringType();
    assertEquals("spoon.test.generics.testclasses.CelebrationLunch$WeddingLunch$Section", classSection.getQualifiedName());
    CtTypeParameter classSection_Y = classSection.getFormalCtTypeParameters().get(0);
    assertEquals("Y", classSection_Y.getSimpleName());
    assertEquals("spoon.test.generics.testclasses.Paella", methodReserveTC.adaptType(classSection_Y).getQualifiedName());
    // 3) check actual type arguments of declaring type `WeddingLunch`
    CtClass classWeddingLunch = (CtClass) classSection.getDeclaringType();
    assertEquals("spoon.test.generics.testclasses.CelebrationLunch$WeddingLunch", classWeddingLunch.getQualifiedName());
    CtTypeParameter classWeddingLunch_X = classWeddingLunch.getFormalCtTypeParameters().get(0);
    assertEquals("X", classWeddingLunch_X.getSimpleName());
    assertEquals("spoon.test.generics.testclasses.Mole", methodReserveTC.adaptType(classWeddingLunch_X).getQualifiedName());
    // 4) check actual type arguments of declaring type `CelebrationLunch`
    CtClass classCelebrationLunch = (CtClass) classWeddingLunch.getDeclaringType();
    assertEquals("spoon.test.generics.testclasses.CelebrationLunch", classCelebrationLunch.getQualifiedName());
    CtTypeParameter classCelebrationLunch_K = classCelebrationLunch.getFormalCtTypeParameters().get(0);
    CtTypeParameter classCelebrationLunch_L = classCelebrationLunch.getFormalCtTypeParameters().get(1);
    CtTypeParameter classCelebrationLunch_M = classCelebrationLunch.getFormalCtTypeParameters().get(2);
    assertEquals("K", classCelebrationLunch_K.getSimpleName());
    assertEquals("L", classCelebrationLunch_L.getSimpleName());
    assertEquals("M", classCelebrationLunch_M.getSimpleName());
    assertEquals("spoon.test.generics.testclasses.Tacos", methodReserveTC.adaptType(classCelebrationLunch_K).getQualifiedName());
    assertEquals("spoon.test.generics.testclasses.Paella", methodReserveTC.adaptType(classCelebrationLunch_L).getQualifiedName());
    assertEquals("spoon.test.generics.testclasses.Mole", methodReserveTC.adaptType(classCelebrationLunch_M).getQualifiedName());
    // method->Section->WeddingLunch->CelebrationLunch
    GenericTypeAdapter celebrationLunchTC = methodReserveTC.getEnclosingGenericTypeAdapter().getEnclosingGenericTypeAdapter().getEnclosingGenericTypeAdapter();
    assertEquals("java.lang.Integer", celebrationLunchTC.adaptType(classCelebrationLunch_K).getQualifiedName());
    assertEquals("java.lang.Long", celebrationLunchTC.adaptType(classCelebrationLunch_L).getQualifiedName());
    assertEquals("java.lang.Double", celebrationLunchTC.adaptType(classCelebrationLunch_M).getQualifiedName());
}