private void checkMethodModifiers(MethodNode node) {
// don't check volatile here as it overlaps with ACC_BRIDGE
// additional modifiers not allowed for interfaces
if ((this.currentClass.getModifiers() & ACC_INTERFACE) != 0) {
checkMethodForModifier(node, isStrict(node.getModifiers()), "strictfp");
checkMethodForModifier(node, isSynchronized(node.getModifiers()), "synchronized");
checkMethodForModifier(node, isNative(node.getModifiers()), "native");
}
}
private void createBuilderForAnnotatedMethod(
BuilderASTTransformation transform, MethodNode mNode, AnnotationNode anno) {
if (transform.getMemberValue(anno, "includes") != null
|| transform.getMemberValue(anno, "includes") != null) {
transform.addError(
"Error during "
+ BuilderASTTransformation.MY_TYPE_NAME
+ " processing: includes/excludes only allowed on classes",
anno);
}
if (mNode instanceof ConstructorNode) {
mNode.setModifiers(ACC_PRIVATE | ACC_SYNTHETIC);
} else {
if ((mNode.getModifiers() & ACC_STATIC) == 0) {
transform.addError(
"Error during "
+ BuilderASTTransformation.MY_TYPE_NAME
+ " processing: method builders only allowed on static methods",
anno);
}
mNode.setModifiers(ACC_PRIVATE | ACC_SYNTHETIC | ACC_STATIC);
}
ClassNode buildee = mNode.getDeclaringClass();
Parameter[] parameters = mNode.getParameters();
ClassNode builder =
createInnerHelperClass(buildee, getBuilderClassName(buildee, anno), parameters.length);
List<FieldNode> convertedFields = convertParamsToFields(builder, parameters);
buildCommon(buildee, anno, convertedFields, builder);
if (mNode instanceof ConstructorNode) {
createBuildeeConstructors(transform, buildee, builder, convertedFields, false);
} else {
createBuildeeMethods(buildee, mNode, builder, convertedFields);
}
}
// no rename so delete and add
private static void renameMethod(ClassNode buildee, MethodNode mNode, String newName) {
buildee.addMethod(
newName,
mNode.getModifiers(),
mNode.getReturnType(),
mNode.getParameters(),
mNode.getExceptions(),
mNode.getCode());
buildee.removeMethod(mNode);
}
private void changeBaseScriptType(
final AnnotatedNode parent, final ClassNode cNode, final ClassNode baseScriptType) {
if (!cNode.isScriptBody()) {
addError("Annotation " + MY_TYPE_NAME + " can only be used within a Script.", parent);
return;
}
if (!baseScriptType.isScript()) {
addError(
"Declared type " + baseScriptType + " does not extend groovy.lang.Script class!", parent);
return;
}
cNode.setSuperClass(baseScriptType);
// Method in base script that will contain the script body code.
MethodNode runScriptMethod = ClassHelper.findSAM(baseScriptType);
// If they want to use a name other than than "run", then make the change.
if (isCustomScriptBodyMethod(runScriptMethod)) {
MethodNode defaultMethod = cNode.getDeclaredMethod("run", Parameter.EMPTY_ARRAY);
// GROOVY-6706: Sometimes an NPE is thrown here.
// The reason is that our transform is getting called more than once sometimes.
if (defaultMethod != null) {
cNode.removeMethod(defaultMethod);
MethodNode methodNode =
new MethodNode(
runScriptMethod.getName(),
runScriptMethod.getModifiers() & ~ACC_ABSTRACT,
runScriptMethod.getReturnType(),
runScriptMethod.getParameters(),
runScriptMethod.getExceptions(),
defaultMethod.getCode());
// The AST node metadata has the flag that indicates that this method is a script body.
// It may also be carrying data for other AST transforms.
methodNode.copyNodeMetaData(defaultMethod);
cNode.addMethod(methodNode);
}
}
// If the new script base class does not have a contextual constructor (g.l.Binding), then we
// won't either.
// We have to do things this way (and rely on just default constructors) because the logic that
// generates
// the constructors for our script class have already run.
if (cNode.getSuperClass().getDeclaredConstructor(CONTEXT_CTOR_PARAMETERS) == null) {
ConstructorNode orphanedConstructor = cNode.getDeclaredConstructor(CONTEXT_CTOR_PARAMETERS);
cNode.removeConstructor(orphanedConstructor);
}
}
private void visitDeprecation(AnnotatedNode node, AnnotationNode visited) {
if (visited.getClassNode().isResolved()
&& visited.getClassNode().getName().equals("java.lang.Deprecated")) {
if (node instanceof MethodNode) {
MethodNode mn = (MethodNode) node;
mn.setModifiers(mn.getModifiers() | Opcodes.ACC_DEPRECATED);
} else if (node instanceof FieldNode) {
FieldNode fn = (FieldNode) node;
fn.setModifiers(fn.getModifiers() | Opcodes.ACC_DEPRECATED);
} else if (node instanceof ClassNode) {
ClassNode cn = (ClassNode) node;
cn.setModifiers(cn.getModifiers() | Opcodes.ACC_DEPRECATED);
}
}
}
private void printMethod(PrintWriter out, ClassNode clazz, MethodNode methodNode) {
if (methodNode.getName().equals("<clinit>")) return;
if (methodNode.isPrivate() || !Utilities.isJavaIdentifier(methodNode.getName())) return;
if (methodNode.isSynthetic() && methodNode.getName().equals("$getStaticMetaClass")) return;
printAnnotations(out, methodNode);
if (!clazz.isInterface()) printModifiers(out, methodNode.getModifiers());
printGenericsBounds(out, methodNode.getGenericsTypes());
out.print(" ");
printType(out, methodNode.getReturnType());
out.print(" ");
out.print(methodNode.getName());
printParams(out, methodNode);
ClassNode[] exceptions = methodNode.getExceptions();
for (int i = 0; i < exceptions.length; i++) {
ClassNode exception = exceptions[i];
if (i == 0) {
out.print("throws ");
} else {
out.print(", ");
}
printType(out, exception);
}
if ((methodNode.getModifiers() & Opcodes.ACC_ABSTRACT) != 0) {
out.println(";");
} else {
out.print(" { ");
ClassNode retType = methodNode.getReturnType();
printReturn(out, retType);
out.println("}");
}
}
public void visitMethod(MethodNode node) {
visitParameters(node, node.getParameters());
String methodType =
BytecodeHelper.getMethodDescriptor(node.getReturnType(), node.getParameters());
mv = cv.visitMethod(node.getModifiers(), node.getName(), methodType, null, null);
mv.visitTypeInsn(NEW, "java/lang/RuntimeException");
mv.visitInsn(DUP);
mv.visitLdcInsn("not intended for execution");
mv.visitMethodInsn(
INVOKESPECIAL, "java/lang/RuntimeException", "<init>", "(Ljava/lang/String;)V", false);
mv.visitInsn(ATHROW);
mv.visitMaxs(0, 0);
}
private Variable findClassMember(ClassNode cn, String name) {
if (cn == null) return null;
if (cn.isScript()) {
return new DynamicVariable(name, false);
}
for (FieldNode fn : cn.getFields()) {
if (fn.getName().equals(name)) return fn;
}
for (MethodNode mn : cn.getMethods()) {
String pName = getPropertyName(mn);
// GRECLIPSE: start
// must set the declaringClass
/*old{
if (pName != null && pName.equals(name))
return new PropertyNode(pName, mn.getModifiers(), getPropertyType(mn), cn, null, null, null);
*/
// newcode
if (pName != null && pName.equals(name)) {
PropertyNode property =
new PropertyNode(pName, mn.getModifiers(), getPropertyType(mn), cn, null, null, null);
property.setDeclaringClass(cn);
property.getField().setDeclaringClass(cn);
return property;
}
// GRECLIPSE: end
}
for (PropertyNode pn : cn.getProperties()) {
if (pn.getName().equals(name)) return pn;
}
Variable ret = findClassMember(cn.getSuperClass(), name);
if (ret != null) return ret;
return findClassMember(cn.getOuterClass(), name);
}
private void revertVisibility(MethodNode mNode) {
mNode.setModifiers(mNode.getModifiers() & ~ACC_PUBLIC);
}
public static boolean isCandidateMethod(MethodNode declaredMethod) {
return !declaredMethod.isSynthetic()
&& !declaredMethod.getName().contains("$")
&& Modifier.isPublic(declaredMethod.getModifiers())
&& !Modifier.isAbstract(declaredMethod.getModifiers());
}