use of org.eclipse.jdt.core.dom.AST in project che by eclipse.
the class GetterSetterCorrectionSubProcessor method createMethodInvocation.
private static Expression createMethodInvocation(ProposalParameter context, IMethodBinding method, Expression argument) {
AST ast = context.astRewrite.getAST();
Expression qualifier = context.qualifier;
if (context.useSuper) {
SuperMethodInvocation invocation = ast.newSuperMethodInvocation();
invocation.setName(ast.newSimpleName(method.getName()));
if (qualifier != null)
invocation.setQualifier((Name) context.astRewrite.createCopyTarget(qualifier));
if (argument != null)
invocation.arguments().add(argument);
return invocation;
} else {
MethodInvocation invocation = ast.newMethodInvocation();
invocation.setName(ast.newSimpleName(method.getName()));
if (qualifier != null)
invocation.setExpression((Expression) context.astRewrite.createCopyTarget(qualifier));
if (argument != null)
invocation.arguments().add(argument);
return invocation;
}
}
use of org.eclipse.jdt.core.dom.AST in project che by eclipse.
the class ConvertIterableLoopOperation method convert.
@Override
protected Statement convert(CompilationUnitRewrite cuRewrite, final TextEditGroup group, final LinkedProposalModel positionGroups) throws CoreException {
final AST ast = cuRewrite.getAST();
final ASTRewrite astRewrite = cuRewrite.getASTRewrite();
final ImportRewrite importRewrite = cuRewrite.getImportRewrite();
final ImportRemover remover = cuRewrite.getImportRemover();
fEnhancedForLoop = ast.newEnhancedForStatement();
String[] names = getVariableNameProposals();
String name;
if (fElementVariable != null) {
name = fElementVariable.getName();
} else {
name = names[0];
}
final LinkedProposalPositionGroup pg = positionGroups.getPositionGroup(name, true);
if (fElementVariable != null)
pg.addProposal(name, null, 10);
for (int i = 0; i < names.length; i++) {
pg.addProposal(names[i], null, 10);
}
final Statement body = getForStatement().getBody();
if (body != null) {
final ListRewrite list;
if (body instanceof Block) {
list = astRewrite.getListRewrite(body, Block.STATEMENTS_PROPERTY);
for (final Iterator<Expression> iterator = fOccurrences.iterator(); iterator.hasNext(); ) {
final Statement parent = (Statement) ASTNodes.getParent(iterator.next(), Statement.class);
if (parent != null && list.getRewrittenList().contains(parent)) {
list.remove(parent, null);
remover.registerRemovedNode(parent);
}
}
} else {
list = null;
}
final String text = name;
body.accept(new ASTVisitor() {
private boolean replace(final Expression expression) {
final SimpleName node = ast.newSimpleName(text);
astRewrite.replace(expression, node, group);
remover.registerRemovedNode(expression);
pg.addPosition(astRewrite.track(node), false);
return false;
}
@Override
public final boolean visit(final MethodInvocation node) {
final IMethodBinding binding = node.resolveMethodBinding();
if (binding != null && (binding.getName().equals("next") || binding.getName().equals("nextElement"))) {
//$NON-NLS-1$ //$NON-NLS-2$
final Expression expression = node.getExpression();
if (expression instanceof Name) {
final IBinding result = ((Name) expression).resolveBinding();
if (result != null && result.equals(fIteratorVariable))
return replace(node);
} else if (expression instanceof FieldAccess) {
final IBinding result = ((FieldAccess) expression).resolveFieldBinding();
if (result != null && result.equals(fIteratorVariable))
return replace(node);
}
}
return super.visit(node);
}
@Override
public final boolean visit(final SimpleName node) {
if (fElementVariable != null) {
final IBinding binding = node.resolveBinding();
if (binding != null && binding.equals(fElementVariable)) {
final Statement parent = (Statement) ASTNodes.getParent(node, Statement.class);
if (parent != null && (list == null || list.getRewrittenList().contains(parent)))
pg.addPosition(astRewrite.track(node), false);
}
}
return false;
}
});
fEnhancedForLoop.setBody(getBody(cuRewrite, group, positionGroups));
}
final SingleVariableDeclaration declaration = ast.newSingleVariableDeclaration();
final SimpleName simple = ast.newSimpleName(name);
pg.addPosition(astRewrite.track(simple), true);
declaration.setName(simple);
final ITypeBinding elementType = getElementType(fIteratorVariable.getType());
declaration.setType(importType(elementType, getForStatement(), importRewrite, getRoot()));
if (fMakeFinal) {
ModifierRewrite.create(astRewrite, declaration).setModifiers(Modifier.FINAL, 0, group);
}
remover.registerAddedImport(elementType.getQualifiedName());
fEnhancedForLoop.setParameter(declaration);
fEnhancedForLoop.setExpression(getExpression(astRewrite));
for (Iterator<Expression> iterator = getForStatement().initializers().iterator(); iterator.hasNext(); ) {
ASTNode node = iterator.next();
if (node instanceof VariableDeclarationExpression) {
VariableDeclarationExpression variableDeclarationExpression = (VariableDeclarationExpression) node;
remover.registerRemovedNode(variableDeclarationExpression.getType());
} else {
remover.registerRemovedNode(node);
}
}
for (Iterator<Expression> iterator = getForStatement().updaters().iterator(); iterator.hasNext(); ) {
ASTNode node = iterator.next();
remover.registerRemovedNode(node);
}
return fEnhancedForLoop;
}
use of org.eclipse.jdt.core.dom.AST in project che by eclipse.
the class StatementRewrite method handleOneMany.
@Override
protected void handleOneMany(ASTNode[] replacements, TextEditGroup description) {
AST ast = fToReplace[0].getAST();
// need to insert a block to not change structure
if (ASTNodes.isControlStatementBody(fDescriptor)) {
Block block = ast.newBlock();
ListRewrite statements = fRewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
for (int i = 0; i < replacements.length; i++) {
statements.insertLast(replacements[i], description);
}
fRewrite.replace(fToReplace[0], block, description);
} else {
ListRewrite container = fRewrite.getListRewrite(fToReplace[0].getParent(), (ChildListPropertyDescriptor) fDescriptor);
container.replace(fToReplace[0], replacements[0], description);
for (int i = 1; i < replacements.length; i++) {
container.insertAfter(replacements[i], replacements[i - 1], description);
}
}
}
use of org.eclipse.jdt.core.dom.AST in project che by eclipse.
the class VariableDeclarationRewrite method rewriteModifiers.
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;
}
}
use of org.eclipse.jdt.core.dom.AST in project che by eclipse.
the class VariableDeclarationRewrite method rewriteModifiers.
public static void rewriteModifiers(final FieldDeclaration declarationNode, final VariableDeclarationFragment[] toChange, final int includedModifiers, final int excludedModifiers, final ASTRewrite rewrite, final TextEditGroup group) {
final List<VariableDeclarationFragment> fragmentsToChange = Arrays.asList(toChange);
AST ast = declarationNode.getAST();
/*
* Problem: Same declarationNode can be the subject of multiple calls to this method.
* For the 2nd++ calls, the original declarationNode has already been rewritten, and this has to be taken into account.
*
* Assumption:
* - Modifiers for each VariableDeclarationFragment are modified at most once.
*
* Solution:
* - Maintain a map from original VariableDeclarationFragments to their new FieldDeclaration.
* - Original modifiers in declarationNode belong to the first fragment.
* - When a later fragment needs different modifiers, we create a new FieldDeclaration and move all successive fragments into that declaration
* - When a fragment has been moved to a new declaration, make sure we don't create a new move target again, but instead use the already created one
*/
List<VariableDeclarationFragment> fragments = declarationNode.fragments();
Iterator<VariableDeclarationFragment> iter = fragments.iterator();
ListRewrite blockRewrite;
if (declarationNode.getParent() instanceof AbstractTypeDeclaration) {
blockRewrite = rewrite.getListRewrite(declarationNode.getParent(), ((AbstractTypeDeclaration) declarationNode.getParent()).getBodyDeclarationsProperty());
} else {
blockRewrite = rewrite.getListRewrite(declarationNode.getParent(), AnonymousClassDeclaration.BODY_DECLARATIONS_PROPERTY);
}
VariableDeclarationFragment lastFragment = iter.next();
ASTNode lastStatement = declarationNode;
if (fragmentsToChange.contains(lastFragment)) {
ModifierRewrite modifierRewrite = ModifierRewrite.create(rewrite, declarationNode);
modifierRewrite.setModifiers(includedModifiers, excludedModifiers, group);
}
ListRewrite fragmentsRewrite = null;
while (iter.hasNext()) {
VariableDeclarationFragment currentFragment = iter.next();
@SuppressWarnings("unchecked") Map<VariableDeclarationFragment, MovedFragment> lookup = (Map<VariableDeclarationFragment, MovedFragment>) rewrite.getProperty(MovedFragment.class.getName());
if (lookup == null) {
lookup = new HashMap<VariableDeclarationFragment, MovedFragment>();
rewrite.setProperty(MovedFragment.class.getName(), lookup);
}
MovedFragment currentMovedFragment = lookup.get(currentFragment);
boolean changeLast = fragmentsToChange.contains(lastFragment);
boolean changeCurrent = fragmentsToChange.contains(currentFragment);
if (changeLast != changeCurrent || lookup.containsKey(lastFragment)) {
ModifierRewrite modifierRewrite = null;
if (currentMovedFragment != null) {
if (currentMovedFragment.fUsesOriginalModifiers) {
// Need to put in the right modifiers (removing any existing ones).
modifierRewrite = ModifierRewrite.create(rewrite, currentMovedFragment.fDeclaration);
ListRewrite listRewrite = rewrite.getListRewrite(currentMovedFragment.fDeclaration, FieldDeclaration.MODIFIERS2_PROPERTY);
List<IExtendedModifier> extendedList = listRewrite.getRewrittenList();
for (int i = 0; i < extendedList.size(); i++) {
ASTNode curr = (ASTNode) extendedList.get(i);
if (curr instanceof Modifier)
rewrite.remove(curr, group);
}
}
// otherwise, don't need to touch the modifiers, so leave modifierRewrite null
} else {
// need to split an existing field declaration
VariableDeclarationFragment moveTarget;
moveTarget = (VariableDeclarationFragment) rewrite.createMoveTarget(currentFragment);
FieldDeclaration newStatement = (FieldDeclaration) ast.createInstance(FieldDeclaration.class);
rewrite.getListRewrite(newStatement, FieldDeclaration.FRAGMENTS_PROPERTY).insertLast(moveTarget, group);
lookup.put(currentFragment, new MovedFragment(moveTarget, newStatement, !changeCurrent));
rewrite.set(newStatement, FieldDeclaration.TYPE_PROPERTY, rewrite.createCopyTarget(declarationNode.getType()), group);
modifierRewrite = ModifierRewrite.create(rewrite, newStatement);
modifierRewrite.copyAllAnnotations(declarationNode, group);
blockRewrite.insertAfter(newStatement, lastStatement, group);
fragmentsRewrite = rewrite.getListRewrite(newStatement, FieldDeclaration.FRAGMENTS_PROPERTY);
lastStatement = newStatement;
}
if (modifierRewrite != null) {
if (changeCurrent) {
int newModifiers = (declarationNode.getModifiers() & ~excludedModifiers) | includedModifiers;
modifierRewrite.setModifiers(newModifiers, excludedModifiers, group);
} else {
int newModifiers = declarationNode.getModifiers();
modifierRewrite.setModifiers(newModifiers, Modifier.NONE, group);
}
}
} else if (fragmentsRewrite != null) {
VariableDeclarationFragment fragment0;
boolean usesOriginalModifiers = true;
if (currentMovedFragment != null) {
fragment0 = currentMovedFragment.fMoveTarget;
usesOriginalModifiers = currentMovedFragment.fUsesOriginalModifiers;
rewrite.getListRewrite(currentMovedFragment.fDeclaration, FieldDeclaration.FRAGMENTS_PROPERTY).remove(fragment0, group);
} else {
fragment0 = (VariableDeclarationFragment) rewrite.createMoveTarget(currentFragment);
}
lookup.put(currentFragment, new MovedFragment(fragment0, lastStatement, usesOriginalModifiers));
fragmentsRewrite.insertLast(fragment0, group);
}
lastFragment = currentFragment;
}
}
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