private void extractGrab(Expression init, ConstantExpression ce) {
if (ce.getValue() instanceof AnnotationNode) {
AnnotationNode annotation = (AnnotationNode) ce.getValue();
if ((init != null) && (annotation.getMember("initClass") != null)) {
annotation.setMember("initClass", init);
}
String name = annotation.getClassNode().getName();
if ((GRAB_CLASS_NAME.equals(name))
|| (allowShortGrab && GRAB_SHORT_NAME.equals(name))
|| (grabAliases.contains(name))) {
grabAnnotations.add(annotation);
}
if ((GRABEXCLUDE_CLASS_NAME.equals(name))
|| (allowShortGrabExcludes && GRABEXCLUDE_SHORT_NAME.equals(name))
|| (grabExcludeAliases.contains(name))) {
grabExcludeAnnotations.add(annotation);
}
if ((GRABCONFIG_CLASS_NAME.equals(name))
|| (allowShortGrabConfig && GRABCONFIG_SHORT_NAME.equals(name))
|| (grabConfigAliases.contains(name))) {
grabConfigAnnotations.add(annotation);
}
if ((GRABRESOLVER_CLASS_NAME.equals(name))
|| (allowShortGrabResolver && GRABRESOLVER_SHORT_NAME.equals(name))
|| (grabResolverAliases.contains(name))) {
grabResolverAnnotations.add(annotation);
}
}
}
/**
* Adds the necessary field and methods to support resource locating.
*
* @param declaringClass the class to which we add the support field and methods
*/
public static void apply(@Nonnull ClassNode declaringClass, @Nullable String beanName) {
injectInterface(declaringClass, EVENT_PUBLISHER_CNODE);
FieldNode epField =
injectField(
declaringClass, EVENT_ROUTER_FIELD_NAME, PRIVATE, EVENT_PUBLISHER_FIELD_CNODE, null);
Parameter erParam = param(EVENT_ROUTER_CNODE, EVENT_ROUTER_PROPERTY);
if (!isBlank(beanName)) {
AnnotationNode namedAnnotation = new AnnotationNode(NAMED_TYPE);
namedAnnotation.addMember("value", new ConstantExpression(beanName));
erParam.addAnnotation(namedAnnotation);
}
MethodNode setter =
new MethodNode(
METHOD_SET_EVENT_ROUTER,
PRIVATE,
VOID_TYPE,
params(erParam),
NO_EXCEPTIONS,
stmnt(call(field(epField), METHOD_SET_EVENT_ROUTER, args(var(EVENT_ROUTER_PROPERTY)))));
setter.addAnnotation(new AnnotationNode(INJECT_TYPE));
injectMethod(declaringClass, setter);
addDelegateMethods(declaringClass, EVENT_PUBLISHER_CNODE, field(epField));
}
private void configureAnnotationFromDefinition(AnnotationNode definition, AnnotationNode root) {
ClassNode type = definition.getClassNode();
if (!type.isResolved()) return;
Class clazz = type.getTypeClass();
if (clazz == Retention.class) {
Expression exp = definition.getMember("value");
if (!(exp instanceof PropertyExpression)) return;
PropertyExpression pe = (PropertyExpression) exp;
String name = pe.getPropertyAsString();
RetentionPolicy policy = RetentionPolicy.valueOf(name);
setRetentionPolicy(policy, root);
} else if (clazz == Target.class) {
Expression exp = definition.getMember("value");
if (!(exp instanceof ListExpression)) return;
ListExpression le = (ListExpression) exp;
int bitmap = 0;
for (Expression e : le.getExpressions()) {
PropertyExpression element = (PropertyExpression) e;
String name = element.getPropertyAsString();
ElementType value = ElementType.valueOf(name);
bitmap |= getElementCode(value);
}
root.setAllowedTargets(bitmap);
}
}
/**
* Adds the annotation to the internal target list if a match is found.
*
* @param node the AST node we are processing
*/
public void visitAnnotations(AnnotatedNode node) {
super.visitAnnotations(node);
for (AnnotationNode an : node.getAnnotations()) {
String name = an.getClassNode().getName();
if ((GRAB_CLASS_NAME.equals(name))
|| (allowShortGrab && GRAB_SHORT_NAME.equals(name))
|| (grabAliases.contains(name))) {
grabAnnotations.add(an);
}
if ((GRABEXCLUDE_CLASS_NAME.equals(name))
|| (allowShortGrabExcludes && GRABEXCLUDE_SHORT_NAME.equals(name))
|| (grabExcludeAliases.contains(name))) {
grabExcludeAnnotations.add(an);
}
if ((GRABCONFIG_CLASS_NAME.equals(name))
|| (allowShortGrabConfig && GRABCONFIG_SHORT_NAME.equals(name))
|| (grabConfigAliases.contains(name))) {
grabConfigAnnotations.add(an);
}
if ((GRAPES_CLASS_NAME.equals(name))
|| (allowShortGrapes && GRAPES_SHORT_NAME.equals(name))
|| (grapesAliases.contains(name))) {
grapesAnnotations.add(an);
}
if ((GRABRESOLVER_CLASS_NAME.equals(name))
|| (allowShortGrabResolver && GRABRESOLVER_SHORT_NAME.equals(name))
|| (grabResolverAliases.contains(name))) {
grabResolverAnnotations.add(an);
}
}
}
public static void configureAnnotationFromDefinition(
AnnotationNode definition, AnnotationNode root) {
ClassNode type = definition.getClassNode();
if ("java.lang.annotation.Retention".equals(type.getName())) {
Expression exp = definition.getMember("value");
if (!(exp instanceof PropertyExpression)) return;
PropertyExpression pe = (PropertyExpression) exp;
String name = pe.getPropertyAsString();
RetentionPolicy policy = RetentionPolicy.valueOf(name);
setRetentionPolicy(policy, root);
} else if ("java.lang.annotation.Target".equals(type.getName())) {
Expression exp = definition.getMember("value");
if (!(exp instanceof ListExpression)) return;
ListExpression le = (ListExpression) exp;
int bitmap = 0;
for (Expression e : le.getExpressions()) {
if (!(e instanceof PropertyExpression)) return;
PropertyExpression element = (PropertyExpression) e;
String name = element.getPropertyAsString();
ElementType value = ElementType.valueOf(name);
bitmap |= getElementCode(value);
}
root.setAllowedTargets(bitmap);
}
}
private void callGrabAsStaticInitIfNeeded(
ClassNode classNode,
ClassNode grapeClassNode,
AnnotationNode node,
List<Map<String, Object>> grabExcludeMaps) {
if ((node.getMember("initClass") == null)
|| (node.getMember("initClass") == ConstantExpression.TRUE)) {
List<Statement> grabInitializers = new ArrayList<Statement>();
// add Grape.grab(excludeArgs, [group:group, module:module, version:version,
// classifier:classifier])
// or Grape.grab([group:group, module:module, version:version, classifier:classifier])
MapExpression me = new MapExpression();
for (String s : GRAB_REQUIRED) {
me.addMapEntryExpression(new ConstantExpression(s), node.getMember(s));
}
for (String s : GRAB_OPTIONAL) {
if (node.getMember(s) != null)
me.addMapEntryExpression(new ConstantExpression(s), node.getMember(s));
}
if (autoDownload != null) {
me.addMapEntryExpression(
new ConstantExpression(AUTO_DOWNLOAD_SETTING), new ConstantExpression(autoDownload));
}
if (disableChecksums != null) {
me.addMapEntryExpression(
new ConstantExpression(DISABLE_CHECKSUMS_SETTING),
new ConstantExpression(disableChecksums));
}
ArgumentListExpression grabArgs;
if (grabExcludeMaps.isEmpty()) {
grabArgs = new ArgumentListExpression(me);
} else {
MapExpression args = new MapExpression();
ListExpression list = new ListExpression();
for (Map<String, Object> map : grabExcludeMaps) {
Set<Map.Entry<String, Object>> entries = map.entrySet();
MapExpression inner = new MapExpression();
for (Map.Entry<String, Object> entry : entries) {
inner.addMapEntryExpression(
new ConstantExpression(entry.getKey()), new ConstantExpression(entry.getValue()));
}
list.addExpression(inner);
}
args.addMapEntryExpression(new ConstantExpression("excludes"), list);
grabArgs = new ArgumentListExpression(args, me);
}
grabInitializers.add(
new ExpressionStatement(
new StaticMethodCallExpression(grapeClassNode, "grab", grabArgs)));
// insert at beginning so we have the classloader set up before the class is called
classNode.addStaticInitializerStatements(grabInitializers, true);
}
}
/**
* Convenience method to see if an annotated node is {@code @EventPublisher}.
*
* @param node the node to check
* @return true if the node is an event publisher
*/
public static boolean hasEventPublisherAnnotation(AnnotatedNode node) {
for (AnnotationNode annotation : node.getAnnotations()) {
if (EVENT_PUBLISHER_ANODE.equals(annotation.getClassNode())) {
return true;
}
}
return false;
}
/**
* Convenience method to see if an annotated node is {@code @MybatisAware}.
*
* @param node the node to check
* @return true if the node is an event publisher
*/
public static boolean hasMybatisAwareAnnotation(AnnotatedNode node) {
for (AnnotationNode annotation : node.getAnnotations()) {
if (MYBATIS_AWARE_CNODE.equals(annotation.getClassNode())) {
return true;
}
}
return false;
}
public void visit(GroovyCodeVisitor visitor) {
AnnotationNode node = (AnnotationNode) getValue();
Map<String, Expression> attrs = node.getMembers();
for (Expression expr : attrs.values()) {
expr.visit(visitor);
}
super.visit(visitor);
}
/**
* Convenience method to see if an annotated node is {@code @MessageSourceAware}.
*
* @param node the node to check
* @return true if the node is an event publisher
*/
public static boolean hasMessageSourceAwareAnnotation(AnnotatedNode node) {
for (AnnotationNode annotation : node.getAnnotations()) {
if (MESSAGE_SOURCE_AWARE_CNODE.equals(annotation.getClassNode())) {
return true;
}
}
return false;
}
private Class[] getTransformClasses(ClassNode classNode) {
if (!classNode.hasClass()) {
List<AnnotationNode> annotations = classNode.getAnnotations();
AnnotationNode transformAnnotation = null;
for (AnnotationNode anno : annotations) {
if (anno.getClassNode().getName().equals(GroovyASTTransformationClass.class.getName())) {
transformAnnotation = anno;
break;
}
}
if (transformAnnotation != null) {
Expression expr = (Expression) transformAnnotation.getMember("classes");
if (expr == null) {
return NO_CLASSES;
}
Class<?>[] values = NO_CLASSES;
// Will need to extract the classnames
if (expr instanceof ListExpression) {
List<Class<?>> loadedClasses = new ArrayList<Class<?>>();
ListExpression expression = (ListExpression) expr;
List<Expression> expressions = expression.getExpressions();
for (Expression oneExpr : expressions) {
String classname = ((ClassExpression) oneExpr).getType().getName();
try {
Class<?> clazz = Class.forName(classname, false, transformLoader);
loadedClasses.add(clazz);
} catch (ClassNotFoundException cnfe) {
source
.getErrorCollector()
.addError(
new SimpleMessage(
"Ast transform processing, cannot find " + classname, source));
}
}
if (loadedClasses.size() != 0) {
values = loadedClasses.toArray(new Class<?>[loadedClasses.size()]);
}
return values;
} else {
}
throw new RuntimeException(
"nyi implemented in eclipse: need to support: "
+ expr
+ " (class="
+ expr.getClass()
+ ")");
}
return null;
} else {
Annotation transformClassAnnotation = getTransformClassAnnotation(classNode);
if (transformClassAnnotation == null) {
return null;
}
return getTransformClasses(transformClassAnnotation);
}
}
public static AnnotationNode findAnnotation(
ClassNode annotationClassNode, List<AnnotationNode> annotations) {
for (AnnotationNode annotation : annotations) {
if (annotation.getClassNode().equals(annotationClassNode)) {
return annotation;
}
}
return null;
}
AnnotationNode findAnnotation(ClassNode clazz) {
if (clazz != null) {
for (AnnotationNode node : clazz.getAnnotations()) {
if (node.getClassNode().getName().equals(LineNumber.class.getName())) {
// LOG.debug "Transforming in ${clazz.name}"
return node;
}
}
}
return null;
}
private void printAnnotation(PrintWriter out, AnnotationNode annotation) {
out.print("@" + annotation.getClassNode().getName() + "(");
boolean first = true;
Map<String, Expression> members = annotation.getMembers();
for (String key : members.keySet()) {
if (first) first = false;
else out.print(", ");
out.print(key + "=" + getAnnotationValue(members.get(key)));
}
out.print(") ");
}
public void visitAnnotations(AnnotatedNode node) {
List<AnnotationNode> annotations = node.getAnnotations();
if (annotations.isEmpty()) return;
for (AnnotationNode an : annotations) {
// skip built-in properties
if (an.isBuiltIn()) continue;
for (Map.Entry<String, Expression> member : an.getMembers().entrySet()) {
Expression annMemberValue = member.getValue();
annMemberValue.visit(this);
}
}
}
public void visit(ASTNode[] nodes, SourceUnit source) {
init(nodes, source);
AnnotatedNode parent = (AnnotatedNode) nodes[1];
AnnotationNode node = (AnnotationNode) nodes[0];
if (!MY_TYPE.equals(node.getClassNode())) return;
if (parent instanceof DeclarationExpression) {
changeBaseScriptTypeFromDeclaration((DeclarationExpression) parent, node);
} else if (parent instanceof ImportNode || parent instanceof PackageNode) {
changeBaseScriptTypeFromPackageOrImport(source, parent, node);
} else if (parent instanceof ClassNode) {
changeBaseScriptTypeFromClass((ClassNode) parent, node);
}
}
public Expression transform(Expression exp) {
if (exp == null) return null;
if (exp.getClass() == VariableExpression.class) {
return transformVariableExpression((VariableExpression) exp);
}
if (exp.getClass() == BinaryExpression.class) {
return transformBinaryExpression((BinaryExpression) exp);
}
if (exp.getClass() == PropertyExpression.class) {
return transformPropertyExpression((PropertyExpression) exp);
}
if (exp.getClass() == MethodCallExpression.class) {
return transformMethodCallExpression((MethodCallExpression) exp);
}
if (exp.getClass() == ClosureExpression.class) {
return transformClosureExpression((ClosureExpression) exp);
}
if (exp.getClass() == ConstructorCallExpression.class) {
return transformConstructorCallExpression((ConstructorCallExpression) exp);
}
if (exp.getClass() == ArgumentListExpression.class) {
Expression result = exp.transformExpression(this);
if (inPropertyExpression) {
foundArgs = result;
}
return result;
}
if (exp instanceof ConstantExpression) {
Expression result = exp.transformExpression(this);
if (inPropertyExpression) {
foundConstant = result;
}
if (inAnnotation && exp instanceof AnnotationConstantExpression) {
ConstantExpression ce = (ConstantExpression) result;
if (ce.getValue() instanceof AnnotationNode) {
// replicate a little bit of AnnotationVisitor here
// because we can't wait until later to do this
AnnotationNode an = (AnnotationNode) ce.getValue();
Map<String, Expression> attributes = an.getMembers();
for (Map.Entry<String, Expression> entry : attributes.entrySet()) {
Expression attrExpr = transform(entry.getValue());
entry.setValue(attrExpr);
}
}
}
return result;
}
return exp.transformExpression(this);
}
/**
* For the supplied classnode, this method will check if there is an annotation on it of kind
* 'GroovyASTTransformationClass'. If there is then the 'value' member of that annotation will be
* retrieved and the value considered to be the class name of a transformation.
*
* @return null if no annotation found, otherwise a String[] of classnames - this will be size 0
* if no value was specified
*/
private String[] getTransformClassNames(ClassNode cn) {
if (!cn.hasClass()) {
List<AnnotationNode> annotations = cn.getAnnotations();
AnnotationNode transformAnnotation = null;
for (AnnotationNode anno : annotations) {
if (anno.getClassNode().getName().equals(GroovyASTTransformationClass.class.getName())) {
transformAnnotation = anno;
break;
}
}
if (transformAnnotation != null) {
// will work so long as signature for the member 'value' is String[]
Expression expr2 = transformAnnotation.getMember("value");
String[] values = null;
if (expr2 == null) {
return NONE;
}
if (expr2 instanceof ListExpression) {
ListExpression expression = (ListExpression) expr2;
List<Expression> expressions = expression.getExpressions();
values = new String[expressions.size()];
int e = 0;
for (Expression expr : expressions) {
values[e++] = ((ConstantExpression) expr).getText();
}
} else if (expr2 instanceof ConstantExpression) {
values = new String[1];
values[0] = ((ConstantExpression) expr2).getText();
} else {
throw new IllegalStateException(
"NYI: eclipse doesn't understand this kind of expression in an Ast transform definition: "
+ expr2
+ " (class="
+ expr2.getClass().getName()
+ ")");
}
return values;
}
return null;
} else {
// FIXASC check haven't broken transforms for 'vanilla' (outside of eclipse) execution of
// groovyc
Annotation transformClassAnnotation = getTransformClassAnnotation(cn);
if (transformClassAnnotation == null) {
return null;
}
return getTransformClassNames(transformClassAnnotation);
}
}
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 setRetentionPolicy(RetentionPolicy value, AnnotationNode node) {
switch (value) {
case RUNTIME:
node.setRuntimeRetention(true);
break;
case SOURCE:
node.setSourceRetention(true);
break;
case CLASS:
node.setClassRetention(true);
break;
default:
throw new GroovyBugError("unsupported Retention " + value);
}
}
private void checkForInitContextClassLoader(AnnotationNode node) {
Object val = node.getMember("initContextClassLoader");
if (val == null || !(val instanceof ConstantExpression)) return;
Object initContextClassLoaderObject = ((ConstantExpression) val).getValue();
if (!(initContextClassLoaderObject instanceof Boolean)) return;
initContextClassLoader = (Boolean) initContextClassLoaderObject;
}
@SuppressWarnings("unused")
private List<String> getTransformClassNames(
AnnotationNode annotation, Annotation transformClassAnnotation) {
List<String> result = new ArrayList<String>();
try {
Method valueMethod = transformClassAnnotation.getClass().getMethod("value");
String[] names = (String[]) valueMethod.invoke(transformClassAnnotation);
result.addAll(Arrays.asList(names));
Method classesMethod = transformClassAnnotation.getClass().getMethod("classes");
Class[] classes = (Class[]) classesMethod.invoke(transformClassAnnotation);
for (Class klass : classes) {
result.add(klass.getName());
}
if (names.length > 0 && classes.length > 0) {
source
.getErrorCollector()
.addError(
new SimpleMessage(
"@GroovyASTTransformationClass in "
+ annotation.getClassNode().getName()
+ " should specify transforms only by class names or by classes and not by both",
source));
}
} catch (Exception e) {
source.addException(e);
}
return result;
}
// GRECLIPSE: start: slight refactoring to provide a new method that can work with a real
// annotation
@SuppressWarnings("unused")
private void addTransformsToClassNode(
AnnotationNode annotation, Annotation transformClassAnnotation) {
String[] transformClassNames = getTransformClassNames(annotation.getClassNode());
Class[] transformClasses = getTransformClasses(transformClassAnnotation);
addTransformsToClassNode(annotation, transformClassNames, transformClasses);
}
public void visit(ASTNode[] nodes, SourceUnit source) {
init(nodes, source);
AnnotatedNode parent = (AnnotatedNode) nodes[1];
AnnotationNode node = (AnnotationNode) nodes[0];
if (!MY_TYPE.equals(node.getClassNode())) return;
if (parent instanceof DeclarationExpression) {
setScriptURIOnDeclaration((DeclarationExpression) parent, node);
} else if (parent instanceof FieldNode) {
setScriptURIOnField((FieldNode) parent, node);
} else {
addError(
"Expected to find the annotation " + MY_TYPE_NAME + " on an declaration statement.",
parent);
}
}
private void verifyCompilePhase(AnnotationNode annotation, Class<?> klass) {
GroovyASTTransformation transformationClass =
klass.getAnnotation(GroovyASTTransformation.class);
if (transformationClass != null) {
CompilePhase specifiedCompilePhase = transformationClass.phase();
if (specifiedCompilePhase.getPhaseNumber()
< CompilePhase.SEMANTIC_ANALYSIS.getPhaseNumber()) {
source
.getErrorCollector()
.addError(
new SimpleMessage(
annotation.getClassNode().getName()
+ " is defined to be run in compile phase "
+ specifiedCompilePhase
+ ". Local AST transformations must run in "
+ CompilePhase.SEMANTIC_ANALYSIS
+ " or later!",
source));
}
} else {
source
.getErrorCollector()
.addError(
new SimpleMessage(
"AST transformation implementation classes must be annotated with "
+ GroovyASTTransformation.class.getName()
+ ". "
+ klass.getName()
+ " lacks this annotation.",
source));
}
}
private void checkForAutoDownload(AnnotationNode node) {
Object val = node.getMember(AUTO_DOWNLOAD_SETTING);
if (val == null || !(val instanceof ConstantExpression)) return;
Object autoDownloadValue = ((ConstantExpression) val).getValue();
if (!(autoDownloadValue instanceof Boolean)) return;
autoDownload = (Boolean) autoDownloadValue;
}
private static String lookupCategoryName(AnnotationNode logAnnotation) {
Expression member = logAnnotation.getMember("category");
if (member != null && member.getText() != null) {
return member.getText();
}
return DEFAULT_CATEGORY_NAME;
}
private void changeBaseScriptTypeFromDeclaration(
final DeclarationExpression de, final AnnotationNode node) {
if (de.isMultipleAssignmentDeclaration()) {
addError(
"Annotation " + MY_TYPE_NAME + " not supported with multiple assignment notation.", de);
return;
}
if (!(de.getRightExpression() instanceof EmptyExpression)) {
addError("Annotation " + MY_TYPE_NAME + " not supported with variable assignment.", de);
return;
}
Expression value = node.getMember("value");
if (value != null) {
addError(
"Annotation " + MY_TYPE_NAME + " cannot have member 'value' if used on a declaration.",
value);
return;
}
ClassNode cNode = de.getDeclaringClass();
ClassNode baseScriptType = de.getVariableExpression().getType().getPlainNodeReference();
de.setRightExpression(new VariableExpression("this"));
changeBaseScriptType(de, cNode, baseScriptType);
}
private void checkForDisableChecksums(AnnotationNode node) {
Object val = node.getMember(DISABLE_CHECKSUMS_SETTING);
if (val == null || !(val instanceof ConstantExpression)) return;
Object disableChecksumsValue = ((ConstantExpression) val).getValue();
if (!(disableChecksumsValue instanceof Boolean)) return;
disableChecksums = (Boolean) disableChecksumsValue;
}
private static String lookupLogFieldName(AnnotationNode logAnnotation) {
Expression member = logAnnotation.getMember("value");
if (member != null && member.getText() != null) {
return member.getText();
} else {
return "log";
}
}
