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

Example 56 with Statement

use of org.eclipse.jdt.core.dom.Statement in project flux by eclipse.

the class QuickAssistProcessor method removeCatchBlock.

private static void removeCatchBlock(ASTRewrite rewrite, CatchClause catchClause) {
    TryStatement tryStatement = (TryStatement) catchClause.getParent();
    if (tryStatement.catchClauses().size() > 1 || tryStatement.getFinally() != null || !tryStatement.resources().isEmpty()) {
        rewrite.remove(catchClause, null);
    } else {
        Block block = tryStatement.getBody();
        List<Statement> statements = block.statements();
        int nStatements = statements.size();
        if (nStatements == 1) {
            ASTNode first = statements.get(0);
            rewrite.replace(tryStatement, rewrite.createCopyTarget(first), null);
        } else if (nStatements > 1) {
            ListRewrite listRewrite = rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
            ASTNode first = statements.get(0);
            ASTNode last = statements.get(statements.size() - 1);
            ASTNode newStatement = listRewrite.createCopyTarget(first, last);
            if (ASTNodes.isControlStatementBody(tryStatement.getLocationInParent())) {
                Block newBlock = rewrite.getAST().newBlock();
                newBlock.statements().add(newStatement);
                newStatement = newBlock;
            }
            rewrite.replace(tryStatement, newStatement, null);
        } else {
            rewrite.remove(tryStatement, null);
        }
    }
}

Example 57 with Statement

use of org.eclipse.jdt.core.dom.Statement in project flux by eclipse.

the class AdvancedQuickAssistProcessor method copyStatementExceptBreak.

private static Statement copyStatementExceptBreak(AST ast, ASTRewrite rewrite, Statement source) {
    if (source instanceof Block) {
        Block block = (Block) source;
        Block newBlock = ast.newBlock();
        for (Iterator<Statement> iter = block.statements().iterator(); iter.hasNext(); ) {
            Statement statement = iter.next();
            if (statement instanceof BreakStatement) {
                continue;
            }
            newBlock.statements().add(copyStatementExceptBreak(ast, rewrite, statement));
        }
        return newBlock;
    }
    return (Statement) rewrite.createMoveTarget(source);
}

Example 58 with Statement

use of org.eclipse.jdt.core.dom.Statement in project flux by eclipse.

the class AdvancedQuickAssistProcessor method getJoinIfListInIfElseIfProposals.

private static boolean getJoinIfListInIfElseIfProposals(IInvocationContext context, ASTNode covering, ArrayList<ASTNode> coveredNodes, Collection<ICommandAccess> resultingCollections) {
    if (coveredNodes.isEmpty()) {
        return false;
    }
    // check that we have more than one covered statement
    if (coveredNodes.size() < 2) {
        return false;
    }
    // check that all selected nodes are 'if' statements with only 'then' statement
    for (Iterator<ASTNode> iter = coveredNodes.iterator(); iter.hasNext(); ) {
        ASTNode node = iter.next();
        if (!(node instanceof IfStatement)) {
            return false;
        }
        IfStatement ifStatement = (IfStatement) node;
        if (ifStatement.getElseStatement() != null) {
            return false;
        }
    }
    //  we could produce quick assist
    if (resultingCollections == null) {
        return true;
    }
    //
    final AST ast = covering.getAST();
    final ASTRewrite rewrite = ASTRewrite.create(ast);
    //
    IfStatement firstIfStatement = (IfStatement) coveredNodes.get(0);
    IfStatement firstNewIfStatement = null;
    //
    IfStatement prevIfStatement = null;
    for (Iterator<ASTNode> iter = coveredNodes.iterator(); iter.hasNext(); ) {
        IfStatement ifStatement = (IfStatement) iter.next();
        // prepare new 'if' statement
        IfStatement newIfStatement = ast.newIfStatement();
        newIfStatement.setExpression((Expression) rewrite.createMoveTarget(ifStatement.getExpression()));
        // prepare 'then' statement and convert into block if needed
        Statement thenStatement = (Statement) rewrite.createMoveTarget(ifStatement.getThenStatement());
        if (ifStatement.getThenStatement() instanceof IfStatement) {
            IfStatement ifBodyStatement = (IfStatement) ifStatement.getThenStatement();
            if (ifBodyStatement.getElseStatement() == null) {
                Block thenBlock = ast.newBlock();
                thenBlock.statements().add(thenStatement);
                thenStatement = thenBlock;
            }
        }
        newIfStatement.setThenStatement(thenStatement);
        //
        if (prevIfStatement != null) {
            prevIfStatement.setElseStatement(newIfStatement);
            rewrite.remove(ifStatement, null);
        } else {
            firstNewIfStatement = newIfStatement;
        }
        prevIfStatement = newIfStatement;
    }
    rewrite.replace(firstIfStatement, firstNewIfStatement, null);
    // add correction proposal
    String label = CorrectionMessages.AdvancedQuickAssistProcessor_joinIfSequence;
    //		Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
    ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.JOIN_IF_SEQUENCE);
    resultingCollections.add(proposal);
    return true;
}

Example 59 with Statement

use of org.eclipse.jdt.core.dom.Statement in project flux by eclipse.

the class ScopeAnalyzer method getDeclarationsAfter.

public IBinding[] getDeclarationsAfter(int offset, int flags) {
    try {
        org.eclipse.jdt.core.dom.NodeFinder finder = new org.eclipse.jdt.core.dom.NodeFinder(fRoot, offset, 0);
        ASTNode node = finder.getCoveringNode();
        if (node == null) {
            return null;
        }
        ASTNode declaration = ASTResolving.findParentStatement(node);
        while (declaration instanceof Statement && declaration.getNodeType() != ASTNode.BLOCK) {
            declaration = declaration.getParent();
        }
        if (declaration instanceof Block) {
            DefaultBindingRequestor requestor = new DefaultBindingRequestor();
            DeclarationsAfterVisitor visitor = new DeclarationsAfterVisitor(node.getStartPosition(), flags, requestor);
            declaration.accept(visitor);
            List<IBinding> result = requestor.getResult();
            return result.toArray(new IBinding[result.size()]);
        }
        return NO_BINDING;
    } finally {
        clearLists();
    }
}

Example 60 with Statement

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

the class ExtractMethodAnalyzer method getParentLoopBody.

private Statement getParentLoopBody(ASTNode node) {
    Statement stmt = null;
    ASTNode start = node;
    while (start != null && !(start instanceof ForStatement) && !(start instanceof DoStatement) && !(start instanceof WhileStatement) && !(start instanceof EnhancedForStatement) && !(start instanceof SwitchStatement)) {
        start = start.getParent();
    }
    if (start instanceof ForStatement) {
        stmt = ((ForStatement) start).getBody();
    } else if (start instanceof DoStatement) {
        stmt = ((DoStatement) start).getBody();
    } else if (start instanceof WhileStatement) {
        stmt = ((WhileStatement) start).getBody();
    } else if (start instanceof EnhancedForStatement) {
        stmt = ((EnhancedForStatement) start).getBody();
    }
    if (start != null && start.getParent() instanceof LabeledStatement) {
        LabeledStatement labeledStatement = (LabeledStatement) start.getParent();
        fEnclosingLoopLabel = labeledStatement.getLabel();
    }
    return stmt;
}