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

Example 6 with CtCase

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

the class JDTCommentBuilder method insertCommentInAST.

/**
 * Inserts the comment into the AST.
 * @param comment the comment to insert
 */
private void insertCommentInAST(final CtComment comment) {
    CtElement commentParent = findCommentParent(comment);
    if (commentParent == null) {
        File file = spoonUnit.getFile();
        if (file != null && file.getName().equals(DefaultJavaPrettyPrinter.JAVA_PACKAGE_DECLARATION)) {
            spoonUnit.getDeclaredPackage().addComment(comment);
        } else if (file != null && file.getName().equals(DefaultJavaPrettyPrinter.JAVA_MODULE_DECLARATION)) {
            spoonUnit.getDeclaredModule().addComment(comment);
        } else {
            comment.setCommentType(CtComment.CommentType.FILE);
            addCommentToNear(comment, new ArrayList<CtElement>(spoonUnit.getDeclaredTypes()));
        }
        return;
    }
    // visitor that inserts the comment in the element
    CtInheritanceScanner insertionVisitor = new CtInheritanceScanner() {

        private boolean isScanned = false;

        @Override
        public void scan(CtElement e) {
            if (e == null) {
                return;
            }
            // Do not visit the AST, only the first element
            if (!isScanned) {
                isScanned = true;
                if (e.getPosition().getSourceStart() == comment.getPosition().getSourceStart()) {
                    e.addComment(comment);
                    return;
                }
                super.scan(e);
            }
        }

        @Override
        public <R> void visitCtStatementList(CtStatementList e) {
            addCommentToNear(comment, new ArrayList<CtElement>(e.getStatements()));
            try {
                comment.getParent();
            } catch (ParentNotInitializedException ex) {
                e.addStatement(comment);
            }
        }

        @Override
        public <T> void visitCtMethod(CtMethod<T> e) {
            e.addComment(comment);
        }

        @Override
        public <T> void visitCtConstructor(CtConstructor<T> e) {
            e.addComment(comment);
        }

        @Override
        public <T> void visitCtConditional(CtConditional<T> e) {
            List<CtElement> elements = new ArrayList<>();
            elements.add(e.getElseExpression());
            elements.add(e.getThenExpression());
            elements.add(e.getCondition());
            addCommentToNear(comment, elements);
        }

        @Override
        public <T> void visitCtBinaryOperator(CtBinaryOperator<T> e) {
            List<CtElement> elements = new ArrayList<>();
            elements.add(e.getLeftHandOperand());
            elements.add(e.getRightHandOperand());
            addCommentToNear(comment, elements);
        }

        @Override
        public <T> void visitCtClass(CtClass<T> e) {
            if (comment.getPosition().getLine() <= e.getPosition().getLine()) {
                e.addComment(comment);
                return;
            }
            final List<CtElement> elements = new ArrayList<>();
            for (CtTypeMember typeMember : e.getTypeMembers()) {
                if (typeMember instanceof CtField || typeMember instanceof CtMethod || typeMember instanceof CtConstructor) {
                    elements.add(typeMember);
                }
            }
            addCommentToNear(comment, elements);
            try {
                comment.getParent();
            } catch (ParentNotInitializedException ex) {
                e.addComment(comment);
            }
        }

        @Override
        public <T> void visitCtInterface(CtInterface<T> e) {
            final List<CtElement> elements = new ArrayList<>();
            for (CtTypeMember typeMember : e.getTypeMembers()) {
                if (typeMember instanceof CtField || typeMember instanceof CtMethod) {
                    elements.add(typeMember);
                }
            }
            addCommentToNear(comment, elements);
            try {
                comment.getParent();
            } catch (ParentNotInitializedException ex) {
                e.addComment(comment);
            }
        }

        @Override
        public <T> void visitCtField(CtField<T> e) {
            e.addComment(comment);
        }

        @Override
        public <E> void visitCtSwitch(CtSwitch<E> e) {
            List<CtCase<? super E>> cases = e.getCases();
            CtCase previous = null;
            for (int i = 0; i < cases.size(); i++) {
                CtCase<? super E> ctCase = cases.get(i);
                if (previous == null) {
                    if (comment.getPosition().getSourceStart() < ctCase.getPosition().getSourceStart() && e.getPosition().getSourceStart() < comment.getPosition().getSourceStart()) {
                        ctCase.addComment(comment);
                        return;
                    }
                } else {
                    if (previous.getPosition().getSourceEnd() < comment.getPosition().getSourceStart() && ctCase.getPosition().getSourceStart() > comment.getPosition().getSourceStart()) {
                        addCommentToNear(comment, new ArrayList<CtElement>(previous.getStatements()));
                        try {
                            comment.getParent();
                        } catch (ParentNotInitializedException ex) {
                            previous.addStatement(comment);
                        }
                        return;
                    }
                }
                previous = ctCase;
            }
            if (previous.getPosition().getSourceEnd() < comment.getPosition().getSourceStart()) {
                addCommentToNear(comment, new ArrayList<CtElement>(previous.getStatements()));
                try {
                    comment.getParent();
                } catch (ParentNotInitializedException ex) {
                    previous.addStatement(comment);
                }
                return;
            }
            try {
                comment.getParent();
            } catch (ParentNotInitializedException ex) {
                e.addComment(comment);
            }
        }

        @Override
        public void visitCtIf(CtIf e) {
            if (!(e.getThenStatement() instanceof CtBlock)) {
                if (comment.getPosition().getSourceEnd() <= e.getThenStatement().getPosition().getSourceStart()) {
                    e.getThenStatement().addComment(comment);
                    return;
                }
            }
            if (e.getElseStatement() != null) {
                SourcePosition thenPosition = e.getThenStatement().getPosition() == null ? ((CtBlock) e.getThenStatement()).getStatement(0).getPosition() : e.getThenStatement().getPosition();
                SourcePosition elsePosition = e.getElseStatement().getPosition() == null ? ((CtBlock) e.getElseStatement()).getStatement(0).getPosition() : e.getElseStatement().getPosition();
                if (comment.getPosition().getSourceStart() > thenPosition.getSourceEnd() && comment.getPosition().getSourceEnd() < elsePosition.getSourceStart()) {
                    e.getElseStatement().addComment(comment);
                }
            }
            try {
                comment.getParent();
            } catch (ParentNotInitializedException ex) {
                e.addComment(comment);
            }
        }

        @Override
        public void scanCtStatement(CtStatement s) {
            if (!(s instanceof CtStatementList || s instanceof CtSwitch)) {
                s.addComment(comment);
            }
        }

        @Override
        public void visitCtAnonymousExecutable(CtAnonymousExecutable e) {
            e.addComment(comment);
        }

        @Override
        public <T> void visitCtNewArray(CtNewArray<T> e) {
            addCommentToNear(comment, new ArrayList<CtElement>(e.getElements()));
            try {
                comment.getParent();
            } catch (ParentNotInitializedException ex) {
                e.addComment(comment);
            }
        }

        @Override
        public <T> void visitCtParameter(CtParameter<T> e) {
            e.addComment(comment);
        }

        @Override
        public void visitCtCatch(CtCatch e) {
            if (comment.getPosition().getLine() <= e.getPosition().getLine()) {
                e.addComment(comment);
                return;
            }
        }

        @Override
        public void visitCtModule(CtModule module) {
            addCommentToNear(comment, new ArrayList<>(module.getModuleDirectives()));
        }
    };
    insertionVisitor.scan(commentParent);
    try {
        comment.getParent();
    } catch (ParentNotInitializedException e) {
        LOGGER.error(comment + " is not added into the AST", e);
    }
}

Example 7 with CtCase

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

the class TestLabels method testLabelsAreDetected.

@Test
public void testLabelsAreDetected() {
    Launcher launcher = new Launcher();
    launcher.addInputResource("./src/test/java/spoon/test/labels/testclasses/ManyLabels.java");
    launcher.buildModel();
    CtMethod mainMethod = launcher.getFactory().getModel().getElements(new NamedElementFilter<>(CtMethod.class, "main")).get(0);
    CtBlock body = mainMethod.getBody();
    assertEquals(2, body.getStatements().size());
    CtBlock block = (CtBlock) body.getStatement(0);
    CtSwitch ctSwitch = (CtSwitch) body.getStatement(1);
    assertEquals("labelBlock", block.getLabel());
    assertEquals("sw", ctSwitch.getLabel());
    assertTrue(block.getStatement(1) instanceof CtIf);
    CtIf firstIf = (CtIf) block.getStatement(1);
    CtBlock then = firstIf.getThenStatement();
    CtBreak firstBreak = (CtBreak) then.getStatement(1);
    assertEquals("labelBlock", firstBreak.getTargetLabel());
    assertSame(block, firstBreak.getLabelledStatement());
    CtIf secondIf = (CtIf) block.getStatement(2);
    assertEquals("labelIf", secondIf.getLabel());
    CtBlock thenBlock = secondIf.getThenStatement();
    CtIf innerIf = (CtIf) thenBlock.getStatement(0);
    CtBlock innerThenBlock = innerIf.getThenStatement();
    CtBreak breakInnerIf = (CtBreak) innerThenBlock.getStatement(0);
    assertSame(secondIf, breakInnerIf.getLabelledStatement());
    CtCase firstCase = (CtCase) ctSwitch.getCases().get(0);
    List<CtStatement> statementList = firstCase.getStatements();
    assertEquals(2, statementList.size());
    CtDo ctDo = (CtDo) statementList.get(0);
    assertEquals("label", ctDo.getLabel());
    CtBreak finalBreak = (CtBreak) statementList.get(1);
    assertNull(finalBreak.getTargetLabel());
    assertNull(finalBreak.getLabelledStatement());
    CtBlock doBlock = (CtBlock) ctDo.getBody();
    CtWhile ctWhile = (CtWhile) doBlock.getStatement(1);
    assertEquals("lWhile", ctWhile.getLabel());
    CtBlock whileBlock = (CtBlock) ctWhile.getBody();
    CtFor forLoop = (CtFor) whileBlock.getStatement(0);
    CtBreak breakSwitch = (CtBreak) whileBlock.getStatement(1);
    assertEquals("sw", breakSwitch.getTargetLabel());
    assertSame(ctSwitch, breakSwitch.getLabelledStatement());
    assertEquals("forloop", forLoop.getLabel());
    CtBlock forBlock = (CtBlock) forLoop.getBody();
    assertEquals(7, forBlock.getStatements().size());
    CtIf firstForIf = (CtIf) forBlock.getStatement(1);
    CtIf secondForIf = (CtIf) forBlock.getStatement(2);
    CtIf thirdForIf = (CtIf) forBlock.getStatement(3);
    CtIf fourthForIf = (CtIf) forBlock.getStatement(4);
    CtBreak breakItself = (CtBreak) forBlock.getStatement(6);
    CtContinue continueFor = (CtContinue) ((CtBlock) firstForIf.getThenStatement()).getStatement(0);
    assertSame(forLoop, continueFor.getLabelledStatement());
    CtContinue continueWhile = (CtContinue) ((CtBlock) secondForIf.getThenStatement()).getStatement(0);
    assertSame(ctWhile, continueWhile.getLabelledStatement());
    CtContinue continueDo = (CtContinue) ((CtBlock) thirdForIf.getThenStatement()).getStatement(0);
    assertSame(ctDo, continueDo.getLabelledStatement());
    CtBreak breakDo = (CtBreak) ((CtBlock) fourthForIf.getThenStatement()).getStatement(0);
    assertSame(ctDo, breakDo.getLabelledStatement());
    assertEquals("labelbreak", breakItself.getLabel());
    assertEquals("labelbreak", breakItself.getTargetLabel());
    assertSame(breakItself, breakItself.getLabelledStatement());
}

Example 8 with CtCase

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

the class SwitchCaseTest method testIterationStatements.

@Test
public void testIterationStatements() {
    Factory factory = createFactory();
    CtClass<?> clazz = factory.Code().createCodeSnippetStatement("" + "class X {" + "public void foo() {" + " int x=0;" + "switch(x) {" + "case 0: x=x+1;break;" + "case 1: x=0;" + "default: x=-1;" + "}" + "}};").compile();
    CtMethod<?> foo = (CtMethod<?>) clazz.getMethods().toArray()[0];
    CtSwitch<?> sw = foo.getElements(new TypeFilter<CtSwitch<?>>(CtSwitch.class)).get(0);
    assertEquals(3, sw.getCases().size());
    CtCase<?> c = (CtCase<?>) sw.getCases().get(0);
    assertEquals(0, ((CtLiteral<?>) c.getCaseExpression()).getValue());
    assertEquals(2, c.getStatements().size());
    List<CtStatement> l = new ArrayList<CtStatement>();
    // this compiles (thanks to the new CtCase extends CtStatementList)
    for (CtStatement s : c) {
        l.add(s);
    }
    assertTrue(c.getStatements().equals(l));
}