Examples with CtConstructor spoon.reflect.declaration.CtConstructor used on opensource projects

Example 11 with CtConstructor

use of spoon.reflect.declaration.CtConstructor in project spoon by INRIA.

the class TypeFactory method createTypeAdapter.

/**
 * Create a {@link GenericTypeAdapter} for adapting of formal type parameters from any compatible context to the context of provided `formalTypeDeclarer`
 *
 * @param formalTypeDeclarer
 * 		the target scope of the returned {@link GenericTypeAdapter}
 */
public GenericTypeAdapter createTypeAdapter(CtFormalTypeDeclarer formalTypeDeclarer) {
    class Visitor extends CtAbstractVisitor {

        GenericTypeAdapter adapter;

        @Override
        public <T> void visitCtClass(CtClass<T> ctClass) {
            adapter = new ClassTypingContext(ctClass);
        }

        @Override
        public <T> void visitCtInterface(CtInterface<T> intrface) {
            adapter = new ClassTypingContext(intrface);
        }

        @Override
        public <T> void visitCtMethod(CtMethod<T> m) {
            adapter = new MethodTypingContext().setMethod(m);
        }

        @Override
        public <T> void visitCtConstructor(CtConstructor<T> c) {
            adapter = new MethodTypingContext().setConstructor(c);
        }
    }
    Visitor visitor = new Visitor();
    ((CtElement) formalTypeDeclarer).accept(visitor);
    return visitor.adapter;
}

Example 12 with CtConstructor

use of spoon.reflect.declaration.CtConstructor in project spoon by INRIA.

the class CtTypeParameterTest method checkParameterErasureOfExecutable.

private void checkParameterErasureOfExecutable(CtParameter<?> param) {
    CtExecutable<?> exec = param.getParent();
    CtTypeReference<?> typeErasure = param.getType().getTypeErasure();
    int paramIdx = exec.getParameters().indexOf(param);
    Class declClass = exec.getParent(CtType.class).getActualClass();
    Executable declExec;
    if (exec instanceof CtConstructor) {
        declExec = declClass.getDeclaredConstructors()[0];
    } else {
        declExec = getMethodByName(declClass, exec.getSimpleName());
    }
    Class<?> paramType = declExec.getParameterTypes()[paramIdx];
    assertEquals(0, typeErasure.getActualTypeArguments().size());
    // contract the type erasure of the method parameter given with Java reflection is the same as the one computed by spoon
    assertEquals("TypeErasure of executable " + exec.getSignature() + " parameter " + param.getSimpleName(), paramType.getName(), typeErasure.getQualifiedName());
}

Example 13 with CtConstructor

use of spoon.reflect.declaration.CtConstructor in project spoon by INRIA.

the class CtTypeParameterTest method checkTypeParamErasureOfExecutable.

private void checkTypeParamErasureOfExecutable(CtTypeParameter typeParam) throws NoSuchFieldException, SecurityException {
    CtExecutable<?> exec = (CtExecutable<?>) typeParam.getParent();
    CtParameter<?> param = exec.filterChildren(new NamedElementFilter<>(CtParameter.class, "param" + typeParam.getSimpleName())).first();
    assertNotNull("Missing param" + typeParam.getSimpleName() + " in " + exec.getSignature(), param);
    int paramIdx = exec.getParameters().indexOf(param);
    Class declClass = exec.getParent(CtType.class).getActualClass();
    Executable declExec;
    if (exec instanceof CtConstructor) {
        declExec = declClass.getDeclaredConstructors()[0];
    } else {
        declExec = getMethodByName(declClass, exec.getSimpleName());
    }
    Class<?> paramType = declExec.getParameterTypes()[paramIdx];
    // contract the type erasure given with Java reflection is the same as the one computed by spoon
    assertEquals("TypeErasure of executable param " + getTypeParamIdentification(typeParam), paramType.getName(), typeParam.getTypeErasure().toString());
}

Example 14 with CtConstructor

use of spoon.reflect.declaration.CtConstructor in project spoon by INRIA.

the class CtClassTest method testAllTypeReferencesToALocalTypeShouldNotStartWithNumber.

@Test
public void testAllTypeReferencesToALocalTypeShouldNotStartWithNumber() throws Exception {
    // contract: When we have a local type, we should never start with its number. But this
    // number isn't rewrite only in the class declaration but in all type references and in
    // the constructor.
    final CtType<Pozole> aPozole = buildClass(Pozole.class);
    final CtClass<?> cook = aPozole.getNestedType("1Cook");
    assertEquals("1Cook", cook.getSimpleName());
    assertEquals("spoon.test.ctClass.testclasses.Pozole$1Cook", cook.getQualifiedName());
    final Set<? extends CtConstructor<?>> constructors = cook.getConstructors();
    final String expectedConstructor = "public Cook() {" + System.lineSeparator() + "}";
    assertEquals(expectedConstructor, constructors.toArray(new CtConstructor[constructors.size()])[0].toString());
    assertEquals("final java.lang.Class<Cook> cookClass = Cook.class", cook.getMethod("m").getBody().getStatement(0).toString());
    Factory factory = aPozole.getFactory();
    aPozole.removeModifier(ModifierKind.PUBLIC);
    factory.Code().createCodeSnippetStatement(aPozole.toString()).compile();
    CtClass internalClass = factory.Core().createClass();
    internalClass.setSimpleName("Foo");
    cook.getParent(CtBlock.class).addStatement(internalClass);
    assertEquals("Foo", internalClass.getSimpleName());
    assertEquals("spoon.test.ctClass.testclasses.Pozole$Foo", internalClass.getQualifiedName());
    internalClass.addConstructor(factory.Core().createConstructor());
    CtConstructor cons = (CtConstructor) internalClass.getConstructors().toArray(new CtConstructor[0])[0];
    cons.setBody(factory.Core().createBlock());
    CtConstructorCall call = cook.getFactory().Core().createConstructorCall();
    call.setExecutable(cons.getReference());
    assertEquals(internalClass, internalClass.getReference().getDeclaration());
    assertEquals("new Foo()", call.toString());
    internalClass.insertAfter(call);
    factory.getEnvironment().setAutoImports(true);
    factory.Code().createCodeSnippetStatement(aPozole.toString()).compile();
    factory.getEnvironment().setAutoImports(false);
    factory.Code().createCodeSnippetStatement(aPozole.toString()).compile();
}

Example 15 with CtConstructor

use of spoon.reflect.declaration.CtConstructor in project spoon by INRIA.

the class CommentTest method testInLineComment.

@Test
public void testInLineComment() {
    Factory f = getSpoonFactory();
    CtClass<?> type = (CtClass<?>) f.Type().get(InlineComment.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(64, 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(3, type.getComments().size());
    assertEquals(CtComment.CommentType.FILE, type.getComments().get(0).getCommentType());
    assertEquals(createFakeComment(f, "comment class"), type.getComments().get(1));
    CtField<?> field = type.getField("field");
    assertEquals(3, field.getComments().size());
    assertEquals(createFakeComment(f, "Comment Field"), field.getComments().get(0));
    assertEquals("// Comment Field" + newLine + "// comment field 2" + newLine + "// comment in field" + newLine + "private int field = 10;", field.toString());
    CtAnonymousExecutable ctAnonymousExecutable = type.getAnonymousExecutables().get(0);
    assertEquals(1, ctAnonymousExecutable.getComments().size());
    assertEquals(createFakeComment(f, "comment static block"), ctAnonymousExecutable.getComments().get(0));
    assertEquals(createFakeComment(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(createFakeComment(f, "comment constructor"), constructor.getComments().get(0));
    // index 0 is the implicit super call
    assertEquals(createFakeComment(f, "Comment in constructor"), constructor.getBody().getStatement(1));
    assertEquals("// comment constructor" + newLine + "public InlineComment() {" + newLine + "    // Comment in constructor" + newLine + "}", constructor.toString());
    CtMethod<Object> m = type.getMethod("m");
    assertEquals(1, m.getComments().size());
    assertEquals(createFakeComment(f, "comment method"), m.getComments().get(0));
    assertEquals(createFakeComment(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(createFakeComment(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(createFakeComment(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(createFakeComment(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(createFakeComment(f, "comment constructor call"), ctConstructorCall.getComments().get(0));
    assertEquals("// comment constructor call" + newLine + "new spoon.test.comment.testclasses.InlineComment()", ctConstructorCall.toString());
    CtInvocation ctInvocation = m1.getBody().getStatement(4);
    assertEquals(createFakeComment(f, "comment invocation"), ctInvocation.getComments().get(0));
    assertEquals("// comment invocation" + newLine + "this.m()", ctInvocation.toString());
    CtLocalVariable ctLocalVariable = m1.getBody().getStatement(5);
    assertEquals(createFakeComment(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(createFakeComment(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(createFakeComment(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(createFakeComment(f, "comment try"), ctTry.getComments().get(0));
    assertEquals("// comment try" + newLine + "try {" + newLine + "    // comment in try" + newLine + "    i++;" + newLine + "}// between" + newLine + "// try/catch" + newLine + " catch (java.lang.Exception e) {" + newLine + "    // comment in catch" + newLine + "}", ctTry.toString());
    CtSynchronized ctSynchronized = m1.getBody().getStatement(9);
    assertEquals(createFakeComment(f, "comment synchronized"), ctSynchronized.getComments().get(0));
    assertEquals("// comment synchronized" + newLine + "synchronized(this) {" + newLine + "    // comment in synchronized" + newLine + "}", ctSynchronized.toString());
    CtLocalVariable ctLocalVariable1 = m1.getBody().getStatement(10);
    CtConditional ctConditional = (CtConditional) ctLocalVariable1.getDefaultExpression();
    assertEquals(createFakeComment(f, "comment after condition CtConditional"), ctConditional.getCondition().getComments().get(0));
    assertEquals(createFakeComment(f, "comment before then CtConditional"), ctConditional.getThenExpression().getComments().get(0));
    assertEquals(createFakeComment(f, "comment after then CtConditional"), ctConditional.getThenExpression().getComments().get(1));
    assertEquals(createFakeComment(f, "comment before else CtConditional"), ctConditional.getElseExpression().getComments().get(0));
    assertEquals(createFakeComment(f, "comment after else CtConditional"), ctLocalVariable1.getComments().get(0));
    assertEquals("java.lang.Double dou = (i == 1// comment after condition CtConditional" + newLine + ") ? // comment before then CtConditional" + newLine + "null// comment after then CtConditional" + newLine + " : // comment before else CtConditional" + newLine + "new java.lang.Double((j / ((double) (i - 1))))", ctLocalVariable1.toString());
    CtNewArray ctNewArray = (CtNewArray) ((CtLocalVariable) m1.getBody().getStatement(11)).getDefaultExpression();
    assertEquals(createFakeComment(f, "last comment at the end of array"), ctNewArray.getComments().get(0));
    CtElement arrayValue = (CtElement) ctNewArray.getElements().get(0);
    assertEquals(createFakeComment(f, "comment before array value"), arrayValue.getComments().get(0));
    assertEquals(createFakeComment(f, "comment after array value"), arrayValue.getComments().get(1));
    CtLocalVariable ctLocalVariableString = m1.getBody().getStatement(12);
    assertEquals(createFakeComment(f, "comment multi line string"), ((CtBinaryOperator) ((CtBinaryOperator) ctLocalVariableString.getDefaultExpression()).getRightHandOperand()).getLeftHandOperand().getComments().get(0));
    assertEquals("\"\" + (\"\"// comment multi line string" + newLine + " + \"\")", ctLocalVariableString.getDefaultExpression().toString());
    ctLocalVariable1 = m1.getBody().getStatement(13);
    ctConditional = (CtConditional) ctLocalVariable1.getDefaultExpression();
    assertEquals("boolean c = (i == 1) ? // comment before then boolean CtConditional" + newLine + "i == 1// comment after then boolean CtConditional" + newLine + " : i == 2", ctLocalVariable1.toString());
    CtReturn ctReturn = m1.getBody().getStatement(14);
    assertEquals(createFakeComment(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());
}