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

Example 31 with IfStatement

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

the class SourceProvider method isSingleControlStatementWithoutBlock.

private boolean isSingleControlStatementWithoutBlock() {
    List<Statement> statements = fDeclaration.getBody().statements();
    int size = statements.size();
    if (size != 1)
        return false;
    Statement statement = statements.get(size - 1);
    int nodeType = statement.getNodeType();
    if (nodeType == ASTNode.IF_STATEMENT) {
        IfStatement ifStatement = (IfStatement) statement;
        return !(ifStatement.getThenStatement() instanceof Block) && !(ifStatement.getElseStatement() instanceof Block);
    } else if (nodeType == ASTNode.FOR_STATEMENT) {
        return !(((ForStatement) statement).getBody() instanceof Block);
    } else if (nodeType == ASTNode.WHILE_STATEMENT) {
        return !(((WhileStatement) statement).getBody() instanceof Block);
    }
    return false;
}

Example 32 with IfStatement

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

the class InputFlowAnalyzer method endVisit.

@Override
public void endVisit(IfStatement node) {
    if (skipNode(node))
        return;
    Statement thenPart = node.getThenStatement();
    Statement elsePart = node.getElseStatement();
    if ((thenPart != null && fSelection.coveredBy(thenPart)) || (elsePart != null && fSelection.coveredBy(elsePart))) {
        GenericSequentialFlowInfo info = createSequential();
        setFlowInfo(node, info);
        endVisitConditional(info, node.getExpression(), new ASTNode[] { thenPart, elsePart });
    } else {
        super.endVisit(node);
    }
}

Example 33 with IfStatement

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

the class IfElseIfRefactoring method visit.

// TODO JNR
// UseIfElseIfRefactoring
// if (b) {
// return i;
// }
// if (c) {
// return j;
// }
// if (d) {
// return k;
// }
// return l;
@Override
public boolean visit(IfStatement node) {
    final Statement elseStmt = node.getElseStatement();
    if (elseStmt instanceof Block) {
        List<Statement> elseStmts = statements((Block) elseStmt);
        if (elseStmts.size() == 1 && elseStmts.get(0) instanceof IfStatement) {
            final ASTBuilder b = this.ctx.getASTBuilder();
            this.ctx.getRefactorings().set(node, ELSE_STATEMENT_PROPERTY, b.copy(elseStmts.get(0)));
            return DO_NOT_VISIT_SUBTREE;
        }
    }
    return VISIT_SUBTREE;
}

Example 34 with IfStatement

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

the class TryWithResourceRefactoring method visit.

@Override
public boolean visit(TryStatement node) {
    final List<Statement> tryStmts = asList(node.getBody());
    if (tryStmts.size() >= 1 && tryStmts.get(0).getNodeType() == TRY_STATEMENT) {
        final TryStatement innerTryStmt = as(tryStmts.get(0), TryStatement.class);
        if (innerTryStmt != null && !innerTryStmt.resources().isEmpty() && innerTryStmt.catchClauses().isEmpty()) {
            return collapseTryStatements(node, innerTryStmt);
        }
    }
    final VariableDeclarationStatement previousDeclStmt = as(getPreviousStatement(node), VariableDeclarationStatement.class);
    if (previousDeclStmt == null) {
        return VISIT_SUBTREE;
    }
    final VariableDeclarationFragment previousDeclFragment = getUniqueFragment(previousDeclStmt);
    final List<Statement> finallyStmts = asList(node.getFinally());
    if (previousDeclFragment != null && finallyStmts.size() >= 1) {
        final List<ASTNode> nodesToRemove = new ArrayList<ASTNode>();
        nodesToRemove.add(previousDeclStmt);
        final Statement finallyStmt = finallyStmts.get(0);
        nodesToRemove.add(finallyStmts.size() == 1 ? node.getFinally() : finallyStmt);
        final ExpressionStatement finallyEs = as(finallyStmt, ExpressionStatement.class);
        final IfStatement finallyIs = as(finallyStmt, IfStatement.class);
        if (finallyEs != null) {
            final MethodInvocation mi = as(finallyEs.getExpression(), MethodInvocation.class);
            if (methodClosesCloseables(mi) && areSameVariables(previousDeclFragment, mi.getExpression())) {
                final VariableDeclarationExpression newResource = newResource(tryStmts, previousDeclStmt, previousDeclFragment, nodesToRemove);
                return refactorToTryWithResources(node, newResource, nodesToRemove);
            }
        } else if (finallyIs != null && asList(finallyIs.getThenStatement()).size() == 1 && asList(finallyIs.getElseStatement()).isEmpty()) {
            final Expression nullCheckedExpr = getNullCheckedExpression(finallyIs.getExpression());
            final Statement thenStmt = asList(finallyIs.getThenStatement()).get(0);
            final MethodInvocation mi = asExpression(thenStmt, MethodInvocation.class);
            if (methodClosesCloseables(mi) && areSameVariables(previousDeclFragment, nullCheckedExpr, mi.getExpression())) {
                final VariableDeclarationExpression newResource = newResource(tryStmts, previousDeclStmt, previousDeclFragment, nodesToRemove);
                return refactorToTryWithResources(node, newResource, nodesToRemove);
            }
        }
    }
    return VISIT_SUBTREE;
}

Example 35 with IfStatement

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

the class UpdateSetRatherThanTestingFirstRefactoring method visit.

@Override
public boolean visit(IfStatement node) {
    final Statement elseStmt = node.getElseStatement();
    final Statement thenStmt = node.getThenStatement();
    final PrefixExpression pe = as(node.getExpression(), PrefixExpression.class);
    if (hasOperator(pe, NOT)) {
        return maybeReplaceSetContains(node, pe.getOperand(), thenStmt, elseStmt, false);
    } else {
        return maybeReplaceSetContains(node, node.getExpression(), elseStmt, thenStmt, true);
    }
}