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

Example 11 with IfStatement

use of org.eclipse.jdt.core.dom.IfStatement 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 12 with IfStatement

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

the class CallInliner method initializeInsertionPoint.

private void initializeInsertionPoint(int nos) {
    fInsertionIndex = -1;
    fNeedsStatement = false;
    // if we have a constructor invocation the invocation itself is already a statement
    ASTNode parentStatement = fInvocation instanceof Statement ? fInvocation : ASTNodes.getParent(fInvocation, Statement.class);
    if (parentStatement == null)
        return;
    ASTNode container = parentStatement.getParent();
    int type = container.getNodeType();
    if (type == ASTNode.BLOCK) {
        Block block = (Block) container;
        fListRewrite = fRewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
        fInsertionIndex = fListRewrite.getRewrittenList().indexOf(parentStatement);
    } else if (type == ASTNode.SWITCH_STATEMENT) {
        SwitchStatement switchStatement = (SwitchStatement) container;
        fListRewrite = fRewrite.getListRewrite(switchStatement, SwitchStatement.STATEMENTS_PROPERTY);
        fInsertionIndex = fListRewrite.getRewrittenList().indexOf(parentStatement);
    } else if (isControlStatement(container) || type == ASTNode.LABELED_STATEMENT) {
        fNeedsStatement = true;
        if (nos > 1 || needsBlockAroundDanglingIf()) {
            Block block = fInvocation.getAST().newBlock();
            fInsertionIndex = 0;
            Statement currentStatement = null;
            switch(type) {
                case ASTNode.LABELED_STATEMENT:
                    currentStatement = ((LabeledStatement) container).getBody();
                    break;
                case ASTNode.FOR_STATEMENT:
                    currentStatement = ((ForStatement) container).getBody();
                    break;
                case ASTNode.ENHANCED_FOR_STATEMENT:
                    currentStatement = ((EnhancedForStatement) container).getBody();
                    break;
                case ASTNode.WHILE_STATEMENT:
                    currentStatement = ((WhileStatement) container).getBody();
                    break;
                case ASTNode.DO_STATEMENT:
                    currentStatement = ((DoStatement) container).getBody();
                    break;
                case ASTNode.IF_STATEMENT:
                    IfStatement node = (IfStatement) container;
                    Statement thenPart = node.getThenStatement();
                    if (fTargetNode == thenPart || ASTNodes.isParent(fTargetNode, thenPart)) {
                        currentStatement = thenPart;
                    } else {
                        currentStatement = node.getElseStatement();
                    }
                    break;
            }
            Assert.isNotNull(currentStatement);
            fRewrite.replace(currentStatement, block, null);
            fListRewrite = fRewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
            // The method to be inlined is not the body of the control statement.
            if (currentStatement != fTargetNode) {
                fListRewrite.insertLast(fRewrite.createCopyTarget(currentStatement), null);
            } else {
                // We can't replace a copy with something else. So we
                // have to insert all statements to be inlined.
                fTargetNode = null;
            }
        }
    }
// We only insert one new statement or we delete the existing call.
// So there is no need to have an insertion index.
}

Example 13 with IfStatement

use of org.eclipse.jdt.core.dom.IfStatement in project AutoRefactor by JnRouvignac.

the class CleanCodeRatherThanSemicolonRefactoring method visit.

@Override
public boolean visit(EmptyStatement node) {
    ASTNode parent = node.getParent();
    if (parent instanceof Block) {
        this.ctx.getRefactorings().remove(node);
        return DO_NOT_VISIT_SUBTREE;
    }
    parent = getParentIgnoring(node, Block.class);
    if (parent instanceof IfStatement) {
        IfStatement is = (IfStatement) parent;
        List<Statement> thenStmts = asList(is.getThenStatement());
        List<Statement> elseStmts = asList(is.getElseStatement());
        boolean thenIsEmptyStmt = thenStmts.size() == 1 && is(thenStmts.get(0), EmptyStatement.class);
        boolean elseIsEmptyStmt = elseStmts.size() == 1 && is(elseStmts.get(0), EmptyStatement.class);
        if (thenIsEmptyStmt && elseIsEmptyStmt) {
            this.ctx.getRefactorings().remove(parent);
            return DO_NOT_VISIT_SUBTREE;
        } else if (thenIsEmptyStmt && is.getElseStatement() == null) {
            this.ctx.getRefactorings().remove(is);
            return DO_NOT_VISIT_SUBTREE;
        } else if (elseIsEmptyStmt) {
            this.ctx.getRefactorings().remove(is.getElseStatement());
            return DO_NOT_VISIT_SUBTREE;
        }
    } else if (parent instanceof TryStatement) {
        TryStatement ts = (TryStatement) parent;
        return maybeRemoveEmptyStmtBody(node, ts, ts.getBody());
    } else if (parent instanceof EnhancedForStatement) {
        EnhancedForStatement efs = (EnhancedForStatement) parent;
        return maybeRemoveEmptyStmtBody(node, efs, efs.getBody());
    } else if (parent instanceof ForStatement) {
        ForStatement fs = (ForStatement) parent;
        return maybeRemoveEmptyStmtBody(node, fs, fs.getBody());
    } else if (parent instanceof WhileStatement) {
        WhileStatement ws = (WhileStatement) parent;
        return maybeRemoveEmptyStmtBody(node, ws, ws.getBody());
    }
    return VISIT_SUBTREE;
}

Example 14 with IfStatement

use of org.eclipse.jdt.core.dom.IfStatement in project AutoRefactor by JnRouvignac.

the class CommonIfInIfElseRefactoring method visit.

@Override
public boolean visit(IfStatement node) {
    final IfStatement thenInnerIfStmt = as(node.getThenStatement(), IfStatement.class);
    final IfStatement elseInnerIfStmt = as(node.getElseStatement(), IfStatement.class);
    if (isPassive(node.getExpression()) && thenInnerIfStmt != null && elseInnerIfStmt != null && thenInnerIfStmt.getElseStatement() == null && elseInnerIfStmt.getElseStatement() == null && isPassive(thenInnerIfStmt.getExpression()) && match(new ASTMatcher(), thenInnerIfStmt.getExpression(), elseInnerIfStmt.getExpression())) {
        final ASTBuilder b = this.ctx.getASTBuilder();
        this.ctx.getRefactorings().replace(node, b.if0(b.move(thenInnerIfStmt.getExpression()), b.block(b.if0(b.move(node.getExpression()), b.move(thenInnerIfStmt.getThenStatement()), b.move(elseInnerIfStmt.getThenStatement())))));
        return DO_NOT_VISIT_SUBTREE;
    }
    return VISIT_SUBTREE;
}

Example 15 with IfStatement

use of org.eclipse.jdt.core.dom.IfStatement in project AutoRefactor by JnRouvignac.

the class JUnitAssertRefactoring method visit.

@Override
public boolean visit(IfStatement node) {
    final List<Statement> stmts = asList(node.getThenStatement());
    if (node.getElseStatement() == null && stmts.size() == 1) {
        final MethodInvocation mi = asExpression(stmts.get(0), MethodInvocation.class);
        int i = 0;
        boolean shouldVisit = VISIT_SUBTREE;
        while (shouldVisit == VISIT_SUBTREE && i < PACKAGE_PATHES.length) {
            shouldVisit = maybeRefactorIf(node, mi, PACKAGE_PATHES[i]);
            i++;
        }
        return shouldVisit;
    }
    return VISIT_SUBTREE;
}