Examples with CtInheritanceScanner spoon.reflect.visitor.CtInheritanceScanner used on opensource projects

Example 1 with CtInheritanceScanner

use of spoon.reflect.visitor.CtInheritanceScanner in project spoon by INRIA.

the class SubstitutionVisitor method substitute.

/**
 * Substitutes all template parameters of element and returns substituted element.
 *
 * @param element to be substituted model
 * @return substituted model
 */
public <E extends CtElement> List<E> substitute(E element) {
    final Map<CtElement, String> elementToGeneratedByComment = addGeneratedBy ? new IdentityHashMap<CtElement, String>() : null;
    if (addGeneratedBy) {
        /*
			 * collect 'generated by' comments for each type member of the substituted element, before the substitution is done,
			 * so we know the origin names of the members.
			 */
        final CtInheritanceScanner internalScanner = new CtInheritanceScanner() {

            public void scanCtTypeMember(CtTypeMember typeMeber) {
                elementToGeneratedByComment.put(typeMeber, getGeneratedByComment(typeMeber));
            }
        };
        new CtScanner() {

            @Override
            public void scan(CtElement p_element) {
                internalScanner.scan(p_element);
                super.scan(p_element);
            }
        }.scan(element);
    }
    List<E> result = createContext().substitute(element);
    if (addGeneratedBy) {
        // add generated by comments after substitution, otherwise they would be substituted in comments too.
        applyGeneratedByComments(elementToGeneratedByComment);
    }
    return result;
}

Example 2 with CtInheritanceScanner

use of spoon.reflect.visitor.CtInheritanceScanner 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);
    }
}