private String[] ensureInitialized(ClassNode domainClass) {
FieldNode field = domainClass.getField("namedQueries");
if (field != null && field.isStatic()) {
Expression initialExpression = field.getInitialExpression();
if (initialExpression instanceof ClosureExpression) {
Statement code = ((ClosureExpression) initialExpression).getCode();
if (code instanceof BlockStatement) {
List<Statement> statements = ((BlockStatement) code).getStatements();
if (statements != null) {
List<String> namedQueries = new ArrayList<String>(statements.size());
for (Statement s : statements) {
if (s instanceof ExpressionStatement) {
Expression expr = ((ExpressionStatement) s).getExpression();
if (expr instanceof MethodCallExpression) {
MethodCallExpression call = (MethodCallExpression) expr;
namedQueries.add(call.getMethodAsString());
}
}
}
return namedQueries.toArray(NO_QUERIES);
}
}
}
}
return NO_QUERIES;
}
private Expression findStaticField(ClassNode staticImportType, String fieldName) {
if (staticImportType.isPrimaryClassNode() || staticImportType.isResolved()) {
FieldNode field = staticImportType.getField(fieldName);
if (field != null && field.isStatic())
return new PropertyExpression(new ClassExpression(staticImportType), fieldName);
}
return null;
}
private Expression findConstant(FieldNode fn) {
if (fn != null && !fn.isEnum() && fn.isStatic() && fn.isFinal()) {
if (fn.getInitialValueExpression() instanceof ConstantExpression) {
return fn.getInitialValueExpression();
}
}
return null;
}
public static List<FieldNode> getInstanceNonPropertyFields(ClassNode cNode) {
final List<FieldNode> result = new ArrayList<FieldNode>();
for (FieldNode fNode : cNode.getFields()) {
if (!fNode.isStatic() && cNode.getProperty(fNode.getName()) == null) {
result.add(fNode);
}
}
return result;
}
public static List<FieldNode> getSuperNonPropertyFields(ClassNode cNode) {
final List<FieldNode> result;
if (cNode == ClassHelper.OBJECT_TYPE) {
result = new ArrayList<FieldNode>();
} else {
result = getSuperNonPropertyFields(cNode.getSuperClass());
}
for (FieldNode fNode : cNode.getFields()) {
if (!fNode.isStatic() && cNode.getProperty(fNode.getName()) == null) {
result.add(fNode);
}
}
return result;
}
private void ensureNotPublic(String cNode, FieldNode fNode) {
String fName = fNode.getName();
// TODO: do we need to lock down things like: $ownClass
if (fNode.isPublic() && !fName.contains("$") && !(fNode.isStatic() && fNode.isFinal())) {
addError(
"Public field '"
+ fName
+ "' not allowed for "
+ MY_TYPE_NAME
+ " class '"
+ cNode
+ "'.",
fNode);
}
}
private void printField(PrintWriter out, FieldNode fieldNode, boolean isInterface) {
if ((fieldNode.getModifiers() & Opcodes.ACC_PRIVATE) != 0) return;
printAnnotations(out, fieldNode);
if (!isInterface) {
printModifiers(out, fieldNode.getModifiers());
}
ClassNode type = fieldNode.getType();
printType(out, type);
out.print(" ");
out.print(fieldNode.getName());
if (isInterface || (fieldNode.getModifiers() & Opcodes.ACC_FINAL) != 0) {
out.print(" = ");
Expression valueExpr = fieldNode.getInitialValueExpression();
if (valueExpr instanceof ConstantExpression) {
valueExpr = Verifier.transformToPrimitiveConstantIfPossible((ConstantExpression) valueExpr);
}
if (valueExpr instanceof ConstantExpression
&& fieldNode.isStatic()
&& fieldNode.isFinal()
&& ClassHelper.isStaticConstantInitializerType(valueExpr.getType())
&& valueExpr.getType().equals(fieldNode.getType())) {
// GROOVY-5150 : Initialize value with a dummy constant so that Java cross compiles
// correctly
if (ClassHelper.STRING_TYPE.equals(valueExpr.getType())) {
out.print("\"" + escapeSpecialChars(valueExpr.getText()) + "\"");
} else if (ClassHelper.char_TYPE.equals(valueExpr.getType())) {
out.print("'" + valueExpr.getText() + "'");
} else {
ClassNode constantType = valueExpr.getType();
out.print('(');
printType(out, type);
out.print(") ");
out.print(valueExpr.getText());
if (ClassHelper.Long_TYPE.equals(ClassHelper.getWrapper(constantType))) out.print('L');
}
} else if (ClassHelper.isPrimitiveType(type)) {
String val = type == ClassHelper.boolean_TYPE ? "false" : "0";
out.print("new " + ClassHelper.getWrapper(type) + "((" + type + ")" + val + ")");
} else {
out.print("null");
}
}
out.println(";");
}
boolean makeGetField(
final Expression receiver,
final ClassNode receiverType,
final String fieldName,
final boolean implicitThis,
final boolean samePackage) {
FieldNode field = receiverType.getField(fieldName);
// direct access is allowed if we are in the same class as the declaring class
// or we are in an inner class
if (field != null && isDirectAccessAllowed(field, controller.getClassNode(), samePackage)) {
CompileStack compileStack = controller.getCompileStack();
MethodVisitor mv = controller.getMethodVisitor();
if (field.isStatic()) {
mv.visitFieldInsn(
GETSTATIC,
BytecodeHelper.getClassInternalName(field.getOwner()),
fieldName,
BytecodeHelper.getTypeDescription(field.getOriginType()));
controller.getOperandStack().push(field.getOriginType());
} else {
if (implicitThis) {
compileStack.pushImplicitThis(implicitThis);
}
receiver.visit(controller.getAcg());
if (implicitThis) compileStack.popImplicitThis();
if (!controller.getOperandStack().getTopOperand().isDerivedFrom(field.getOwner())) {
mv.visitTypeInsn(CHECKCAST, BytecodeHelper.getClassInternalName(field.getOwner()));
}
mv.visitFieldInsn(
GETFIELD,
BytecodeHelper.getClassInternalName(field.getOwner()),
fieldName,
BytecodeHelper.getTypeDescription(field.getOriginType()));
}
controller.getOperandStack().replace(field.getOriginType());
return true;
}
ClassNode superClass = receiverType.getSuperClass();
if (superClass != null) {
return makeGetField(receiver, superClass, fieldName, implicitThis, false);
}
return false;
}
private void createConstructorMapCommon(ClassNode cNode, BlockStatement body) {
final List<FieldNode> fList = cNode.getFields();
for (FieldNode fNode : fList) {
if (fNode.isPublic()) continue; // public fields will be rejected elsewhere
if (cNode.getProperty(fNode.getName()) != null) continue; // a property
if (fNode.isFinal() && fNode.isStatic()) continue;
if (fNode.getName().contains("$")) continue; // internal field
if (fNode.isFinal() && fNode.getInitialExpression() != null)
body.addStatement(checkFinalArgNotOverridden(cNode, fNode));
body.addStatement(createConstructorStatementDefault(fNode));
}
final Parameter[] params = new Parameter[] {new Parameter(HASHMAP_TYPE, "args")};
doAddConstructor(
cNode,
new ConstructorNode(
ACC_PUBLIC,
params,
ClassNode.EMPTY_ARRAY,
new IfStatement(
equalsNullExpr(new VariableExpression("args")), new EmptyStatement(), body)));
}
private Set<String> getPropertyNamesExpressedInTransientsList(final ClassNode classNode) {
final Set<String> transientFields = new HashSet<String>();
final FieldNode transientsField = classNode.getField("transients");
if (transientsField != null && transientsField.isStatic()) {
final Expression initialValueExpression = transientsField.getInitialValueExpression();
if (initialValueExpression instanceof ListExpression) {
final ListExpression le = (ListExpression) initialValueExpression;
final List<Expression> expressions = le.getExpressions();
for (Expression expr : expressions) {
if (expr instanceof ConstantExpression) {
final ConstantExpression ce = (ConstantExpression) expr;
final Object contantValue = ce.getValue();
if (contantValue instanceof String) {
transientFields.add((String) contantValue);
}
}
}
}
}
return transientFields;
}
private void checkFinalFieldAccess(Expression expression) {
if (!(expression instanceof VariableExpression) && !(expression instanceof PropertyExpression))
return;
Variable v = null;
if (expression instanceof VariableExpression) {
VariableExpression ve = (VariableExpression) expression;
v = ve.getAccessedVariable();
} else {
PropertyExpression propExp = ((PropertyExpression) expression);
Expression objectExpression = propExp.getObjectExpression();
if (objectExpression instanceof VariableExpression) {
VariableExpression varExp = (VariableExpression) objectExpression;
if (varExp.isThisExpression()) {
v = currentClass.getDeclaredField(propExp.getPropertyAsString());
}
}
}
if (v instanceof FieldNode) {
FieldNode fn = (FieldNode) v;
/*
* if it is static final but not accessed inside a static constructor, or,
* if it is an instance final but not accessed inside a instance constructor, it is an error
*/
boolean isFinal = fn.isFinal();
boolean isStatic = fn.isStatic();
boolean error =
isFinal && ((isStatic && !inStaticConstructor) || (!isStatic && !inConstructor));
if (error)
addError(
"cannot modify"
+ (isStatic ? " static" : "")
+ " final field '"
+ fn.getName()
+ "' outside of "
+ (isStatic ? "static initialization block." : "constructor."),
expression);
}
}
@SuppressWarnings("unchecked")
private boolean makeGetPrivateFieldWithBridgeMethod(
final Expression receiver,
final ClassNode receiverType,
final String fieldName,
final boolean safe,
final boolean implicitThis) {
FieldNode field = receiverType.getField(fieldName);
ClassNode classNode = controller.getClassNode();
if (field != null
&& Modifier.isPrivate(field.getModifiers())
&& (StaticInvocationWriter.isPrivateBridgeMethodsCallAllowed(receiverType, classNode)
|| StaticInvocationWriter.isPrivateBridgeMethodsCallAllowed(classNode, receiverType))
&& !receiverType.equals(classNode)) {
Map<String, MethodNode> accessors =
(Map<String, MethodNode>)
receiverType
.redirect()
.getNodeMetaData(StaticCompilationMetadataKeys.PRIVATE_FIELDS_ACCESSORS);
if (accessors != null) {
MethodNode methodNode = accessors.get(fieldName);
if (methodNode != null) {
MethodCallExpression mce =
new MethodCallExpression(
receiver,
methodNode.getName(),
new ArgumentListExpression(
field.isStatic() ? new ConstantExpression(null) : receiver));
mce.setMethodTarget(methodNode);
mce.setSafe(safe);
mce.setImplicitThis(implicitThis);
mce.visit(controller.getAcg());
return true;
}
}
}
return false;
}
/** Adds special accessors for private constants so that inner classes can retrieve them. */
@SuppressWarnings("unchecked")
private void addPrivateFieldsAccessors(ClassNode node) {
Set<ASTNode> accessedFields =
(Set<ASTNode>) node.getNodeMetaData(StaticTypesMarker.PV_FIELDS_ACCESS);
if (accessedFields == null) return;
Map<String, MethodNode> privateConstantAccessors =
(Map<String, MethodNode>) node.getNodeMetaData(PRIVATE_FIELDS_ACCESSORS);
if (privateConstantAccessors != null) {
// already added
return;
}
int acc = -1;
privateConstantAccessors = new HashMap<String, MethodNode>();
final int access = Opcodes.ACC_STATIC | Opcodes.ACC_PUBLIC | Opcodes.ACC_SYNTHETIC;
for (FieldNode fieldNode : node.getFields()) {
if (accessedFields.contains(fieldNode)) {
acc++;
Parameter param = new Parameter(node.getPlainNodeReference(), "$that");
Expression receiver =
fieldNode.isStatic() ? new ClassExpression(node) : new VariableExpression(param);
Statement stmt =
new ExpressionStatement(new PropertyExpression(receiver, fieldNode.getName()));
MethodNode accessor =
node.addMethod(
"pfaccess$" + acc,
access,
fieldNode.getOriginType(),
new Parameter[] {param},
ClassNode.EMPTY_ARRAY,
stmt);
privateConstantAccessors.put(fieldNode.getName(), accessor);
}
}
node.setNodeMetaData(PRIVATE_FIELDS_ACCESSORS, privateConstantAccessors);
}
public void visitField(FieldNode node) {
pushState(node.isStatic());
super.visitField(node);
popState();
}