private static FieldNode createFieldCopy(ClassNode buildee, Parameter param) {
Map<String, ClassNode> genericsSpec = createGenericsSpec(buildee);
extractSuperClassGenerics(param.getType(), buildee, genericsSpec);
ClassNode correctedParamType = correctToGenericsSpecRecurse(genericsSpec, param.getType());
return new FieldNode(
param.getName(), ACC_PRIVATE, correctedParamType, buildee, param.getInitialExpression());
}
public static String makeDescriptorWithoutReturnType(MethodNode mn) {
StringBuilder sb = new StringBuilder();
sb.append(mn.getName()).append(':');
for (Parameter p : mn.getParameters()) {
sb.append(p.getType()).append(',');
}
return sb.toString();
}
private ClassNode getConstructorArgumentType(Expression arg, ConstructorNode node) {
if (!(arg instanceof VariableExpression)) return arg.getType();
VariableExpression vexp = (VariableExpression) arg;
String name = vexp.getName();
for (Parameter param : node.getParameters()) {
if (param.getName().equals(name)) {
return param.getType();
}
}
return vexp.getType();
}
private static Parameter[] copyParameters(Parameter[] parameterTypes) {
Parameter[] newParameterTypes = new Parameter[parameterTypes.length];
for (int i = 0; i < parameterTypes.length; i++) {
Parameter parameterType = parameterTypes[i];
Parameter newParameter =
new Parameter(
nonGeneric(parameterType.getType()),
parameterType.getName(),
parameterType.getInitialExpression());
newParameter.addAnnotations(parameterType.getAnnotations());
newParameterTypes[i] = newParameter;
}
return newParameterTypes;
}
private List<FieldNode> convertParamsToFields(ClassNode builder, Parameter[] parameters) {
List<FieldNode> fieldNodes = new ArrayList<FieldNode>();
for (Parameter parameter : parameters) {
Map<String, ClassNode> genericsSpec = createGenericsSpec(builder);
ClassNode correctedType = correctToGenericsSpecRecurse(genericsSpec, parameter.getType());
FieldNode fieldNode =
new FieldNode(
parameter.getName(),
parameter.getModifiers(),
correctedType,
builder,
DEFAULT_INITIAL_VALUE);
fieldNodes.add(fieldNode);
builder.addField(fieldNode);
}
return fieldNodes;
}
private void addInvalidUseOfFinalError(
MethodNode method, Parameter[] parameters, ClassNode superCN) {
StringBuilder msg = new StringBuilder();
msg.append("You are not allowed to override the final method ").append(method.getName());
msg.append("(");
boolean needsComma = false;
for (Parameter parameter : parameters) {
if (needsComma) {
msg.append(",");
} else {
needsComma = true;
}
msg.append(parameter.getType());
}
msg.append(") from ").append(getDescription(superCN));
msg.append(".");
addError(msg.toString(), method);
}
public void buildMethod(
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);
}
ClassNode buildee = mNode.getDeclaringClass();
ClassNode builder = createBuilder(anno, buildee);
createBuilderFactoryMethod(anno, buildee, builder);
for (Parameter parameter : mNode.getParameters()) {
builder.addField(createFieldCopy(buildee, parameter));
builder.addMethod(
createBuilderMethodForProp(
builder,
new PropertyInfo(parameter.getName(), parameter.getType()),
getPrefix(anno)));
}
builder.addMethod(createBuildMethodForMethod(anno, buildee, mNode, mNode.getParameters()));
}
private void addWeakerAccessError(
ClassNode cn, MethodNode method, Parameter[] parameters, MethodNode superMethod) {
StringBuilder msg = new StringBuilder();
msg.append(method.getName());
msg.append("(");
boolean needsComma = false;
for (Parameter parameter : parameters) {
if (needsComma) {
msg.append(",");
} else {
needsComma = true;
}
msg.append(parameter.getType());
}
msg.append(") in ");
msg.append(cn.getName());
msg.append(" cannot override ");
msg.append(superMethod.getName());
msg.append(" in ");
msg.append(superMethod.getDeclaringClass().getName());
msg.append("; attempting to assign weaker access privileges; was ");
msg.append(superMethod.isPublic() ? "public" : "protected");
addError(msg.toString(), method);
}
private Set<String> getPropertyNamesToIncludeInWhiteList(
final SourceUnit sourceUnit, final ClassNode classNode) {
if (CLASS_NAME_TO_WHITE_LIST_PROPERTY_NAMES.containsKey(classNode)) {
return CLASS_NAME_TO_WHITE_LIST_PROPERTY_NAMES.get(classNode);
}
final Set<String> propertyNamesToIncludeInWhiteList = new HashSet<String>();
final Set<String> unbindablePropertyNames = new HashSet<String>();
final Set<String> bindablePropertyNames = new HashSet<String>();
if (!classNode.getSuperClass().equals(new ClassNode(Object.class))) {
final Set<String> parentClassPropertyNames =
getPropertyNamesToIncludeInWhiteList(sourceUnit, classNode.getSuperClass());
bindablePropertyNames.addAll(parentClassPropertyNames);
}
final FieldNode constraintsFieldNode = classNode.getDeclaredField(CONSTRAINTS_FIELD_NAME);
if (constraintsFieldNode != null && constraintsFieldNode.hasInitialExpression()) {
final Expression constraintsInitialExpression = constraintsFieldNode.getInitialExpression();
if (constraintsInitialExpression instanceof ClosureExpression) {
final Map<String, Map<String, Expression>> constraintsInfo =
GrailsASTUtils.getConstraintMetadata((ClosureExpression) constraintsInitialExpression);
for (Entry<String, Map<String, Expression>> constraintConfig : constraintsInfo.entrySet()) {
final String propertyName = constraintConfig.getKey();
final Map<String, Expression> mapEntryExpressions = constraintConfig.getValue();
for (Entry<String, Expression> entry : mapEntryExpressions.entrySet()) {
final String constraintName = entry.getKey();
if (BINDABLE_CONSTRAINT_NAME.equals(constraintName)) {
final Expression valueExpression = entry.getValue();
Boolean bindableValue = null;
if (valueExpression instanceof ConstantExpression) {
final Object constantValue = ((ConstantExpression) valueExpression).getValue();
if (constantValue instanceof Boolean) {
bindableValue = (Boolean) constantValue;
}
}
if (bindableValue != null) {
if (Boolean.TRUE.equals(bindableValue)) {
unbindablePropertyNames.remove(propertyName);
bindablePropertyNames.add(propertyName);
} else {
bindablePropertyNames.remove(propertyName);
unbindablePropertyNames.add(propertyName);
}
} else {
final String message =
"The bindable constraint for property ["
+ propertyName
+ "] in class ["
+ classNode.getName()
+ "] has a value which is not a boolean literal and will be ignored.";
GrailsASTUtils.warning(sourceUnit, valueExpression, message);
}
}
}
}
}
}
final Set<String> fieldsInTransientsList = getPropertyNamesExpressedInTransientsList(classNode);
propertyNamesToIncludeInWhiteList.addAll(bindablePropertyNames);
final List<FieldNode> fields = classNode.getFields();
for (FieldNode fieldNode : fields) {
final String fieldName = fieldNode.getName();
if ((!unbindablePropertyNames.contains(fieldName))
&& (bindablePropertyNames.contains(fieldName)
|| shouldFieldBeInWhiteList(fieldNode, fieldsInTransientsList))) {
propertyNamesToIncludeInWhiteList.add(fieldName);
}
}
final Map<String, MethodNode> declaredMethodsMap = classNode.getDeclaredMethodsMap();
for (Entry<String, MethodNode> methodEntry : declaredMethodsMap.entrySet()) {
final MethodNode value = methodEntry.getValue();
if (value.getDeclaringClass() == classNode) {
Parameter[] parameters = value.getParameters();
if (parameters != null && parameters.length == 1) {
final String methodName = value.getName();
if (methodName.startsWith("set")) {
final Parameter parameter = parameters[0];
final ClassNode paramType = parameter.getType();
if (!paramType.equals(new ClassNode(Object.class))) {
final String restOfMethodName = methodName.substring(3);
final String propertyName = GrailsNameUtils.getPropertyName(restOfMethodName);
if (!unbindablePropertyNames.contains(propertyName)) {
propertyNamesToIncludeInWhiteList.add(propertyName);
}
}
}
}
}
}
CLASS_NAME_TO_WHITE_LIST_PROPERTY_NAMES.put(classNode, propertyNamesToIncludeInWhiteList);
Map<String, ClassNode> allAssociationMap = GrailsASTUtils.getAllAssociationMap(classNode);
for (String associationName : allAssociationMap.keySet()) {
if (!propertyNamesToIncludeInWhiteList.contains(associationName)) {
propertyNamesToIncludeInWhiteList.add(associationName);
}
}
return propertyNamesToIncludeInWhiteList;
}
protected ClassNode createClosureClass(ClosureExpression expression, int mods) {
ClassNode classNode = controller.getClassNode();
ClassNode outerClass = controller.getOutermostClass();
MethodNode methodNode = controller.getMethodNode();
String name =
classNode.getName()
+ "$"
+ controller
.getContext()
.getNextClosureInnerName(
outerClass, classNode, methodNode); // add a more informative name
boolean staticMethodOrInStaticClass = controller.isStaticMethod() || classNode.isStaticClass();
Parameter[] parameters = expression.getParameters();
if (parameters == null) {
parameters = Parameter.EMPTY_ARRAY;
} else if (parameters.length == 0) {
// let's create a default 'it' parameter
Parameter it = new Parameter(ClassHelper.OBJECT_TYPE, "it", ConstantExpression.NULL);
parameters = new Parameter[] {it};
Variable ref = expression.getVariableScope().getDeclaredVariable("it");
if (ref != null) it.setClosureSharedVariable(ref.isClosureSharedVariable());
}
Parameter[] localVariableParams = getClosureSharedVariables(expression);
removeInitialValues(localVariableParams);
InnerClassNode answer =
new InnerClassNode(classNode, name, mods, ClassHelper.CLOSURE_TYPE.getPlainNodeReference());
answer.setEnclosingMethod(controller.getMethodNode());
answer.setSynthetic(true);
answer.setUsingGenerics(outerClass.isUsingGenerics());
answer.setSourcePosition(expression);
if (staticMethodOrInStaticClass) {
answer.setStaticClass(true);
}
if (controller.isInScriptBody()) {
answer.setScriptBody(true);
}
MethodNode method =
answer.addMethod(
"doCall",
ACC_PUBLIC,
ClassHelper.OBJECT_TYPE,
parameters,
ClassNode.EMPTY_ARRAY,
expression.getCode());
method.setSourcePosition(expression);
VariableScope varScope = expression.getVariableScope();
if (varScope == null) {
throw new RuntimeException(
"Must have a VariableScope by now! for expression: " + expression + " class: " + name);
} else {
method.setVariableScope(varScope.copy());
}
if (parameters.length > 1
|| (parameters.length == 1
&& parameters[0].getType() != null
&& parameters[0].getType() != ClassHelper.OBJECT_TYPE
&& !ClassHelper.OBJECT_TYPE.equals(parameters[0].getType().getComponentType()))) {
// let's add a typesafe call method
MethodNode call =
answer.addMethod(
"call",
ACC_PUBLIC,
ClassHelper.OBJECT_TYPE,
parameters,
ClassNode.EMPTY_ARRAY,
new ReturnStatement(
new MethodCallExpression(
VariableExpression.THIS_EXPRESSION,
"doCall",
new ArgumentListExpression(parameters))));
call.setSourcePosition(expression);
}
// let's make the constructor
BlockStatement block = new BlockStatement();
// this block does not get a source position, because we don't
// want this synthetic constructor to show up in corbertura reports
VariableExpression outer = new VariableExpression("_outerInstance");
outer.setSourcePosition(expression);
block.getVariableScope().putReferencedLocalVariable(outer);
VariableExpression thisObject = new VariableExpression("_thisObject");
thisObject.setSourcePosition(expression);
block.getVariableScope().putReferencedLocalVariable(thisObject);
TupleExpression conArgs = new TupleExpression(outer, thisObject);
block.addStatement(
new ExpressionStatement(new ConstructorCallExpression(ClassNode.SUPER, conArgs)));
// let's assign all the parameter fields from the outer context
for (Parameter param : localVariableParams) {
String paramName = param.getName();
ClassNode type = param.getType();
if (true) {
VariableExpression initialValue = new VariableExpression(paramName);
initialValue.setAccessedVariable(param);
initialValue.setUseReferenceDirectly(true);
ClassNode realType = type;
type = ClassHelper.makeReference();
param.setType(ClassHelper.makeReference());
FieldNode paramField =
answer.addField(paramName, ACC_PRIVATE | ACC_SYNTHETIC, type, initialValue);
paramField.setOriginType(ClassHelper.getWrapper(param.getOriginType()));
paramField.setHolder(true);
String methodName = Verifier.capitalize(paramName);
// let's add a getter & setter
Expression fieldExp = new FieldExpression(paramField);
answer.addMethod(
"get" + methodName,
ACC_PUBLIC,
realType.getPlainNodeReference(),
Parameter.EMPTY_ARRAY,
ClassNode.EMPTY_ARRAY,
new ReturnStatement(fieldExp));
}
}
Parameter[] params = new Parameter[2 + localVariableParams.length];
params[0] = new Parameter(ClassHelper.OBJECT_TYPE, "_outerInstance");
params[1] = new Parameter(ClassHelper.OBJECT_TYPE, "_thisObject");
System.arraycopy(localVariableParams, 0, params, 2, localVariableParams.length);
ASTNode sn = answer.addConstructor(ACC_PUBLIC, params, ClassNode.EMPTY_ARRAY, block);
sn.setSourcePosition(expression);
correctAccessedVariable(answer, expression);
return answer;
}
private void checkGenericsUsage(ASTNode ref, Parameter[] params) {
for (Parameter p : params) {
checkGenericsUsage(ref, p.getType());
}
}
public static void apply(ClassNode declaringClass) {
injectInterface(declaringClass, MYBATIS_CONTRIBUTION_HANDLER_CNODE);
// add field:
// protected MybatisProvider this$MybatisProvider = DefaultMybatisProvider.instance
FieldNode providerField =
declaringClass.addField(
MYBATIS_PROVIDER_FIELD_NAME,
ACC_PRIVATE | ACC_SYNTHETIC,
MYBATIS_PROVIDER_CNODE,
defaultMybatisProviderInstance());
// add method:
// MybatisProvider getMybatisProvider() {
// return this$MybatisProvider
// }
injectMethod(
declaringClass,
new MethodNode(
METHOD_GET_MYBATIS_PROVIDER,
ACC_PUBLIC,
MYBATIS_PROVIDER_CNODE,
Parameter.EMPTY_ARRAY,
NO_EXCEPTIONS,
returns(field(providerField))));
// add method:
// void setMybatisProvider(MybatisProvider provider) {
// this$MybatisProvider = provider ?: DefaultMybatisProvider.instance
// }
injectMethod(
declaringClass,
new MethodNode(
METHOD_SET_MYBATIS_PROVIDER,
ACC_PUBLIC,
ClassHelper.VOID_TYPE,
params(param(MYBATIS_PROVIDER_CNODE, PROVIDER)),
NO_EXCEPTIONS,
block(
ifs_no_return(
cmp(var(PROVIDER), ConstantExpression.NULL),
assigns(field(providerField), defaultMybatisProviderInstance()),
assigns(field(providerField), var(PROVIDER))))));
for (MethodNode method : MYBATIS_CONTRIBUTION_HANDLER_CNODE.getMethods()) {
if (Arrays.binarySearch(DELEGATING_METHODS, method.getName()) < 0) continue;
List<Expression> variables = new ArrayList<Expression>();
Parameter[] parameters = new Parameter[method.getParameters().length];
for (int i = 0; i < method.getParameters().length; i++) {
Parameter p = method.getParameters()[i];
parameters[i] = new Parameter(makeClassSafe(p.getType()), p.getName());
parameters[i].getType().setGenericsTypes(p.getType().getGenericsTypes());
variables.add(var(p.getName()));
}
ClassNode returnType = makeClassSafe(method.getReturnType());
returnType.setGenericsTypes(method.getReturnType().getGenericsTypes());
returnType.setGenericsPlaceHolder(method.getReturnType().isGenericsPlaceHolder());
MethodNode newMethod =
new MethodNode(
method.getName(),
ACC_PUBLIC,
returnType,
parameters,
NO_EXCEPTIONS,
returns(call(field(providerField), method.getName(), args(variables))));
newMethod.setGenericsTypes(method.getGenericsTypes());
injectMethod(declaringClass, newMethod);
}
}
