use of org.eclipse.jdt.core.dom.DoStatement 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;
}
}
}
}
use of org.eclipse.jdt.core.dom.DoStatement 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.
}
use of org.eclipse.jdt.core.dom.DoStatement in project che by eclipse.
the class ExtractMethodRefactoring method replaceBranches.
private void replaceBranches(final CompilationUnitChange result) {
ASTNode[] selectedNodes = fAnalyzer.getSelectedNodes();
for (int i = 0; i < selectedNodes.length; i++) {
ASTNode astNode = selectedNodes[i];
astNode.accept(new ASTVisitor() {
private LinkedList<String> fOpenLoopLabels = new LinkedList<String>();
private void registerLoopLabel(Statement node) {
String identifier;
if (node.getParent() instanceof LabeledStatement) {
LabeledStatement labeledStatement = (LabeledStatement) node.getParent();
identifier = labeledStatement.getLabel().getIdentifier();
} else {
identifier = null;
}
fOpenLoopLabels.add(identifier);
}
@Override
public boolean visit(ForStatement node) {
registerLoopLabel(node);
return super.visit(node);
}
@Override
public void endVisit(ForStatement node) {
fOpenLoopLabels.removeLast();
}
@Override
public boolean visit(WhileStatement node) {
registerLoopLabel(node);
return super.visit(node);
}
@Override
public void endVisit(WhileStatement node) {
fOpenLoopLabels.removeLast();
}
@Override
public boolean visit(EnhancedForStatement node) {
registerLoopLabel(node);
return super.visit(node);
}
@Override
public void endVisit(EnhancedForStatement node) {
fOpenLoopLabels.removeLast();
}
@Override
public boolean visit(DoStatement node) {
registerLoopLabel(node);
return super.visit(node);
}
@Override
public void endVisit(DoStatement node) {
fOpenLoopLabels.removeLast();
}
@Override
public void endVisit(ContinueStatement node) {
final SimpleName label = node.getLabel();
if (fOpenLoopLabels.isEmpty() || (label != null && !fOpenLoopLabels.contains(label.getIdentifier()))) {
TextEditGroup description = new TextEditGroup(RefactoringCoreMessages.ExtractMethodRefactoring_replace_continue);
result.addTextEditGroup(description);
ReturnStatement rs = fAST.newReturnStatement();
IVariableBinding returnValue = fAnalyzer.getReturnValue();
if (returnValue != null) {
rs.setExpression(fAST.newSimpleName(getName(returnValue)));
}
fRewriter.replace(node, rs, description);
}
}
});
}
}
use of org.eclipse.jdt.core.dom.DoStatement in project AutoRefactor by JnRouvignac.
the class RemoveEmptyStatementRefactoring 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) {
final IfStatement is = (IfStatement) parent;
if (isPassive(is.getExpression())) {
final List<Statement> thenStmts = asList(is.getThenStatement());
final List<Statement> elseStmts = asList(is.getElseStatement());
final boolean thenIsEmptyStmt = thenStmts.size() == 1 && is(thenStmts.get(0), EmptyStatement.class);
final 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 EnhancedForStatement) {
final EnhancedForStatement efs = (EnhancedForStatement) parent;
if (isPassive(efs.getExpression()) && efs.getExpression().resolveTypeBinding().isArray()) {
return maybeRemoveEmptyStmtBody(node, efs, efs.getBody());
}
} else if (parent instanceof ForStatement) {
final ForStatement fs = (ForStatement) parent;
if (arePassive(fs.initializers()) && isPassive(fs.getExpression())) {
return maybeRemoveEmptyStmtBody(node, fs, fs.getBody());
}
} else if (parent instanceof WhileStatement) {
final WhileStatement ws = (WhileStatement) parent;
if (isPassive(ws.getExpression()) && !Boolean.TRUE.equals(ws.getExpression().resolveConstantExpressionValue())) {
return maybeRemoveEmptyStmtBody(node, ws, ws.getBody());
}
} else if (parent instanceof DoStatement) {
final DoStatement ds = (DoStatement) parent;
if (isPassive(ds.getExpression()) && !Boolean.TRUE.equals(ds.getExpression().resolveConstantExpressionValue())) {
return maybeRemoveEmptyStmtBody(node, ds, ds.getBody());
}
}
return VISIT_SUBTREE;
}
use of org.eclipse.jdt.core.dom.DoStatement in project AutoRefactor by JnRouvignac.
the class ASTBuilder method doWhile.
/**
* Builds a new {@link DoStatement} instance.
*
* @param condition the while condition
* @param statement the statement of the loop
* @return a new do statement
*/
public DoStatement doWhile(Expression condition, Statement statement) {
final DoStatement ds = ast.newDoStatement();
ds.setExpression(condition);
ds.setBody(statement);
return ds;
}
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