private void splitUpDeclarations(
ASTRewrite rewrite,
TextEditGroup group,
VariableDeclarationFragment frag,
ListRewrite statementRewrite,
VariableDeclarationStatement originalStatement) {
Expression initializer = frag.getInitializer();
// keep constructors and method invocations
if (initializer instanceof MethodInvocation || initializer instanceof ClassInstanceCreation) {
Expression movedInitializer = (Expression) rewrite.createMoveTarget(initializer);
ExpressionStatement newInitializer =
rewrite.getAST().newExpressionStatement(movedInitializer);
statementRewrite.insertAfter(newInitializer, originalStatement, group);
VariableDeclarationStatement newDeclaration = null;
List<VariableDeclarationFragment> fragments = originalStatement.fragments();
int fragIndex = fragments.indexOf(frag);
ListIterator<VariableDeclarationFragment> fragmentIterator =
fragments.listIterator(fragIndex + 1);
while (fragmentIterator.hasNext()) {
VariableDeclarationFragment currentFragment = fragmentIterator.next();
VariableDeclarationFragment movedFragment =
(VariableDeclarationFragment) rewrite.createMoveTarget(currentFragment);
if (newDeclaration == null) {
newDeclaration = rewrite.getAST().newVariableDeclarationStatement(movedFragment);
Type copiedType = (Type) rewrite.createCopyTarget(originalStatement.getType());
newDeclaration.setType(copiedType);
} else newDeclaration.fragments().add(movedFragment);
}
if (newDeclaration != null) {
statementRewrite.insertAfter(newDeclaration, newInitializer, group);
}
if (originalStatement.fragments().size() == newDeclaration.fragments().size() + 1) {
rewrite.remove(originalStatement, group);
}
}
}
@Override
public boolean visit(VariableDeclarationStatement node) {
visitBackwards(node.fragments());
return false;
}
public static void rewriteModifiers(
final VariableDeclarationStatement declarationNode,
final VariableDeclarationFragment[] toChange,
final int includedModifiers,
final int excludedModifiers,
ASTRewrite rewrite,
final TextEditGroup group) {
final List<VariableDeclarationFragment> fragmentsToChange = Arrays.asList(toChange);
AST ast = declarationNode.getAST();
List<VariableDeclarationFragment> fragments = declarationNode.fragments();
Iterator<VariableDeclarationFragment> iter = fragments.iterator();
ListRewrite blockRewrite = null;
ASTNode parentStatement = declarationNode.getParent();
if (parentStatement instanceof SwitchStatement) {
blockRewrite = rewrite.getListRewrite(parentStatement, SwitchStatement.STATEMENTS_PROPERTY);
} else if (parentStatement instanceof Block) {
blockRewrite = rewrite.getListRewrite(parentStatement, Block.STATEMENTS_PROPERTY);
} else {
// should not happen. VariableDeclaration's can not be in a control statement body
Assert.isTrue(false);
}
VariableDeclarationFragment lastFragment = iter.next();
ASTNode lastStatement = declarationNode;
boolean modifiersModified = false;
if (fragmentsToChange.contains(lastFragment)) {
ModifierRewrite modifierRewrite = ModifierRewrite.create(rewrite, declarationNode);
modifierRewrite.setModifiers(includedModifiers, excludedModifiers, group);
modifiersModified = true;
}
ListRewrite fragmentsRewrite = null;
while (iter.hasNext()) {
VariableDeclarationFragment currentFragment = iter.next();
if (fragmentsToChange.contains(lastFragment) != fragmentsToChange.contains(currentFragment)) {
VariableDeclarationStatement newStatement =
ast.newVariableDeclarationStatement(
(VariableDeclarationFragment) rewrite.createMoveTarget(currentFragment));
newStatement.setType((Type) rewrite.createCopyTarget(declarationNode.getType()));
ModifierRewrite modifierRewrite = ModifierRewrite.create(rewrite, newStatement);
if (fragmentsToChange.contains(currentFragment)) {
modifierRewrite.copyAllAnnotations(declarationNode, group);
int newModifiers =
(declarationNode.getModifiers() & ~excludedModifiers) | includedModifiers;
modifierRewrite.setModifiers(newModifiers, excludedModifiers, group);
} else {
modifierRewrite.copyAllModifiers(declarationNode, group, modifiersModified);
}
blockRewrite.insertAfter(newStatement, lastStatement, group);
fragmentsRewrite =
rewrite.getListRewrite(newStatement, VariableDeclarationStatement.FRAGMENTS_PROPERTY);
lastStatement = newStatement;
} else if (fragmentsRewrite != null) {
ASTNode fragment0 = rewrite.createMoveTarget(currentFragment);
fragmentsRewrite.insertLast(fragment0, group);
}
lastFragment = currentFragment;
}
}