Examples with ASTNode org.eclipse.jdt.core.dom.ASTNode used on opensource projects

Example 81 with ASTNode

use of org.eclipse.jdt.core.dom.ASTNode in project che by eclipse.

the class InferTypeArgumentsRefactoring method rewriteCastVariable.

private static ASTNode rewriteCastVariable(CastVariable2 castCv, CompilationUnitRewrite rewrite, InferTypeArgumentsTCModel tCModel) {
    //, List positionGroups) {
    ASTNode node = castCv.getRange().getNode(rewrite.getRoot());
    ConstraintVariable2 expressionVariable = castCv.getExpressionVariable();
    ConstraintVariable2 methodReceiverCv = tCModel.getMethodReceiverCv(expressionVariable);
    if (methodReceiverCv != null) {
        TType chosenReceiverType = InferTypeArgumentsConstraintsSolver.getChosenType(methodReceiverCv);
        if (chosenReceiverType == null)
            return null;
        else if (!InferTypeArgumentsTCModel.isAGenericType(chosenReceiverType))
            return null;
        else if (hasUnboundElement(methodReceiverCv, tCModel))
            return null;
    }
    CastExpression castExpression = (CastExpression) node;
    Expression expression = castExpression.getExpression();
    ASTNode nodeToReplace;
    if (castExpression.getParent() instanceof ParenthesizedExpression)
        nodeToReplace = castExpression.getParent();
    else
        nodeToReplace = castExpression;
    Expression newExpression = (Expression) rewrite.getASTRewrite().createMoveTarget(expression);
    rewrite.getASTRewrite().replace(nodeToReplace, newExpression, rewrite.createGroupDescription(RefactoringCoreMessages.InferTypeArgumentsRefactoring_removeCast));
    rewrite.getImportRemover().registerRemovedNode(nodeToReplace);
    return newExpression;
}

Example 82 with ASTNode

use of org.eclipse.jdt.core.dom.ASTNode in project che by eclipse.

the class SourceProvider method replaceParameterWithExpression.

private void replaceParameterWithExpression(ASTRewrite rewriter, CallContext context, ImportRewrite importRewrite) throws CoreException {
    Expression[] arguments = context.arguments;
    try {
        ITextFileBuffer buffer = RefactoringFileBuffers.acquire(context.compilationUnit);
        for (int i = 0; i < arguments.length; i++) {
            Expression expression = arguments[i];
            String expressionString = null;
            if (expression instanceof SimpleName) {
                expressionString = ((SimpleName) expression).getIdentifier();
            } else {
                try {
                    expressionString = buffer.getDocument().get(expression.getStartPosition(), expression.getLength());
                } catch (BadLocationException exception) {
                    JavaPlugin.log(exception);
                    continue;
                }
            }
            ParameterData parameter = getParameterData(i);
            List<SimpleName> references = parameter.references();
            for (Iterator<SimpleName> iter = references.iterator(); iter.hasNext(); ) {
                ASTNode element = iter.next();
                Expression newExpression = (Expression) rewriter.createStringPlaceholder(expressionString, expression.getNodeType());
                AST ast = rewriter.getAST();
                ITypeBinding explicitCast = ASTNodes.getExplicitCast(expression, (Expression) element);
                if (explicitCast != null) {
                    CastExpression cast = ast.newCastExpression();
                    if (NecessaryParenthesesChecker.needsParentheses(expression, cast, CastExpression.EXPRESSION_PROPERTY)) {
                        newExpression = createParenthesizedExpression(newExpression, ast);
                    }
                    cast.setExpression(newExpression);
                    ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(expression, importRewrite);
                    cast.setType(importRewrite.addImport(explicitCast, ast, importRewriteContext));
                    expression = newExpression = cast;
                }
                if (NecessaryParenthesesChecker.needsParentheses(expression, element.getParent(), element.getLocationInParent())) {
                    newExpression = createParenthesizedExpression(newExpression, ast);
                }
                rewriter.replace(element, newExpression, null);
            }
        }
    } finally {
        RefactoringFileBuffers.release(context.compilationUnit);
    }
}

Example 83 with ASTNode

use of org.eclipse.jdt.core.dom.ASTNode in project che by eclipse.

the class SourceProvider method isDangligIf.

public boolean isDangligIf() {
    List<Statement> statements = fDeclaration.getBody().statements();
    if (statements.size() != 1)
        return false;
    ASTNode p = statements.get(0);
    while (true) {
        if (p instanceof IfStatement) {
            return ((IfStatement) p).getElseStatement() == null;
        } else {
            ChildPropertyDescriptor childD;
            if (p instanceof WhileStatement) {
                childD = WhileStatement.BODY_PROPERTY;
            } else if (p instanceof ForStatement) {
                childD = ForStatement.BODY_PROPERTY;
            } else if (p instanceof EnhancedForStatement) {
                childD = EnhancedForStatement.BODY_PROPERTY;
            } else if (p instanceof DoStatement) {
                childD = DoStatement.BODY_PROPERTY;
            } else if (p instanceof LabeledStatement) {
                childD = LabeledStatement.BODY_PROPERTY;
            } else {
                return false;
            }
            Statement body = (Statement) p.getStructuralProperty(childD);
            if (body instanceof Block) {
                return false;
            } else {
                p = body;
            }
        }
    }
}

Example 84 with ASTNode

use of org.eclipse.jdt.core.dom.ASTNode in project che by eclipse.

the class SourceProvider method createRange.

private IRegion createRange(List<Statement> statements, int end) {
    ASTNode first = statements.get(0);
    ASTNode last = statements.get(end);
    return createRange(first, last);
}

Example 85 with ASTNode

use of org.eclipse.jdt.core.dom.ASTNode in project che by eclipse.

the class SourceProvider method getExpressionRanges.

private List<IRegion> getExpressionRanges() {
    fMarkerMode = EXPRESSION_MODE;
    List<IRegion> result = new ArrayList<IRegion>(2);
    List<Statement> statements = fDeclaration.getBody().statements();
    ReturnStatement rs = null;
    int size = statements.size();
    ASTNode node;
    switch(size) {
        case 0:
            return result;
        case 1:
            node = statements.get(0);
            if (node.getNodeType() == ASTNode.RETURN_STATEMENT) {
                rs = (ReturnStatement) node;
            } else {
                result.add(createRange(node, node));
            }
            break;
        default:
            {
                node = statements.get(size - 1);
                if (node.getNodeType() == ASTNode.RETURN_STATEMENT) {
                    result.add(createRange(statements, size - 2));
                    rs = (ReturnStatement) node;
                } else {
                    result.add(createRange(statements, size - 1));
                }
                break;
            }
    }
    if (rs != null) {
        Expression exp = rs.getExpression();
        result.add(createRange(exp, exp));
    }
    return result;
}