public static Parameter param(ClassNode type, String name, Expression initialExpression) {
Parameter param = new Parameter(type, name);
if (initialExpression != null) {
param.setInitialExpression(initialExpression);
}
return param;
}
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());
}
/**
* 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 doAddConstructor(final ClassNode cNode, final ConstructorNode constructorNode) {
cNode.addConstructor(constructorNode);
// GROOVY-5814: Immutable is not compatible with @CompileStatic
Parameter argsParam = null;
for (Parameter p : constructorNode.getParameters()) {
if ("args".equals(p.getName())) {
argsParam = p;
break;
}
}
if (argsParam != null) {
final Parameter arg = argsParam;
ClassCodeVisitorSupport variableExpressionFix =
new ClassCodeVisitorSupport() {
@Override
protected SourceUnit getSourceUnit() {
return cNode.getModule().getContext();
}
@Override
public void visitVariableExpression(final VariableExpression expression) {
super.visitVariableExpression(expression);
if ("args".equals(expression.getName())) {
expression.setAccessedVariable(arg);
}
}
};
variableExpressionFix.visitConstructor(constructorNode);
}
}
public void visitCatchStatement(CatchStatement statement) {
pushState();
Parameter p = statement.getVariable();
p.setInStaticContext(currentScope.isInStaticContext());
declare(p, statement);
super.visitCatchStatement(statement);
popState();
}
private void declare(Parameter[] parameters, ASTNode node) {
for (Parameter parameter : parameters) {
if (parameter.hasInitialExpression()) {
parameter.getInitialExpression().visit(this);
}
declare(parameter, node);
}
}
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();
}
public static Parameter[] cloneParams(Parameter[] source) {
Parameter[] result = new Parameter[source.length];
for (int i = 0; i < source.length; i++) {
Parameter srcParam = source[i];
Parameter dstParam = new Parameter(srcParam.getOriginType(), srcParam.getName());
result[i] = dstParam;
}
return result;
}
private void memorizeInitialExpressions(final MethodNode node) {
// add node metadata for default parameters because they are erased by the Verifier
if (node.getParameters() != null) {
for (Parameter parameter : node.getParameters()) {
parameter.putNodeMetaData(
StaticTypesMarker.INITIAL_EXPRESSION, parameter.getInitialExpression());
}
}
}
/*
* this method is called for local variables shared between scopes.
* These variables must not have init values because these would
* then in later steps be used to create multiple versions of the
* same method, in this case the constructor. A closure should not
* have more than one constructor!
*/
private void removeInitialValues(Parameter[] params) {
for (int i = 0; i < params.length; i++) {
if (params[i].hasInitialExpression()) {
Parameter p = new Parameter(params[i].getType(), params[i].getName());
p.setOriginType(p.getOriginType());
params[i] = p;
}
}
}
public void visitForLoop(ForStatement forLoop) {
pushState();
forLoop.setVariableScope(currentScope);
Parameter p = forLoop.getVariable();
p.setInStaticContext(currentScope.isInStaticContext());
if (p != ForStatement.FOR_LOOP_DUMMY) declare(p, forLoop);
super.visitForLoop(forLoop);
popState();
}
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();
}
/**
* Creates an argument list from the given parameter types.
*
* @param parameterTypes The parameter types
* @param thisAsFirstArgument Whether to include a reference to 'this' as the first argument
* @return the arguments
*/
public static ArgumentListExpression createArgumentListFromParameters(
Parameter[] parameterTypes, boolean thisAsFirstArgument) {
ArgumentListExpression arguments = new ArgumentListExpression();
if (thisAsFirstArgument) {
arguments.addExpression(AbstractGrailsArtefactTransformer.THIS_EXPRESSION);
}
for (Parameter parameterType : parameterTypes) {
arguments.addExpression(new VariableExpression(parameterType.getName()));
}
return arguments;
}
protected Parameter[] getClosureSharedVariables(ClosureExpression ce) {
VariableScope scope = ce.getVariableScope();
Parameter[] ret = new Parameter[scope.getReferencedLocalVariablesCount()];
int index = 0;
for (Iterator iter = scope.getReferencedLocalVariablesIterator(); iter.hasNext(); ) {
Variable element = (org.codehaus.groovy.ast.Variable) iter.next();
Parameter p = new Parameter(element.getType(), element.getName());
p.setOriginType(element.getOriginType());
p.setClosureSharedVariable(element.isClosureSharedVariable());
ret[index] = p;
index++;
}
return ret;
}
public void writeClosure(ClosureExpression expression) {
CompileStack compileStack = controller.getCompileStack();
MethodVisitor mv = controller.getMethodVisitor();
ClassNode classNode = controller.getClassNode();
AsmClassGenerator acg = controller.getAcg();
// generate closure as public class to make sure it can be properly invoked by classes of the
// Groovy runtime without circumventing JVM access checks (see CachedMethod for example).
ClassNode closureClass = getOrAddClosureClass(expression, ACC_PUBLIC);
String closureClassinternalName = BytecodeHelper.getClassInternalName(closureClass);
List constructors = closureClass.getDeclaredConstructors();
ConstructorNode node = (ConstructorNode) constructors.get(0);
Parameter[] localVariableParams = node.getParameters();
mv.visitTypeInsn(NEW, closureClassinternalName);
mv.visitInsn(DUP);
if (controller.isStaticMethod() || compileStack.isInSpecialConstructorCall()) {
(new ClassExpression(classNode)).visit(acg);
(new ClassExpression(controller.getOutermostClass())).visit(acg);
} else {
mv.visitVarInsn(ALOAD, 0);
controller.getOperandStack().push(ClassHelper.OBJECT_TYPE);
loadThis();
}
// now let's load the various parameters we're passing
// we start at index 2 because the first variable we pass
// is the owner instance and at this point it is already
// on the stack
for (int i = 2; i < localVariableParams.length; i++) {
Parameter param = localVariableParams[i];
String name = param.getName();
loadReference(name, controller);
if (param.getNodeMetaData(ClosureWriter.UseExistingReference.class) == null) {
param.setNodeMetaData(ClosureWriter.UseExistingReference.class, Boolean.TRUE);
}
}
// we may need to pass in some other constructors
// cv.visitMethodInsn(INVOKESPECIAL, innerClassinternalName, "<init>", prototype + ")V");
mv.visitMethodInsn(
INVOKESPECIAL,
closureClassinternalName,
"<init>",
BytecodeHelper.getMethodDescriptor(ClassHelper.VOID_TYPE, localVariableParams),
false);
controller.getOperandStack().replace(ClassHelper.CLOSURE_TYPE, localVariableParams.length);
}
private Statement makeMethodBody(
ClassNode classNode, MethodSignature methodSignature, Parameter[] parameters) {
String invokeMethod = methodSignature.isStatic() ? "invokeStatic" : "invokeInstance";
Expression[] args = new Expression[parameters.length + 2];
args[0] =
methodSignature.isStatic()
? new ClassExpression(classNode)
: VariableExpression.THIS_EXPRESSION;
args[1] = new ConstantExpression(methodSignature.getMethodName());
int i = 2;
for (Parameter parameter : parameters) {
args[i++] = new VariableExpression(parameter.getName());
}
return returns(call(getDomainHandlerMethod(classNode), invokeMethod, args(args)));
}
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);
}
/**
* If constructor does not define a call to super, then transform constructor to get String,int
* parameters at beginning and add call super(String,int).
*/
private void transformConstructor(ConstructorNode ctor, boolean isAic) {
boolean chainedThisConstructorCall = false;
ConstructorCallExpression cce = null;
if (ctor.firstStatementIsSpecialConstructorCall()) {
Statement code = ctor.getFirstStatement();
cce = (ConstructorCallExpression) ((ExpressionStatement) code).getExpression();
if (cce.isSuperCall()) return;
// must be call to this(...)
chainedThisConstructorCall = true;
}
// we need to add parameters
Parameter[] oldP = ctor.getParameters();
Parameter[] newP = new Parameter[oldP.length + 2];
String stringParameterName = getUniqueVariableName("__str", ctor.getCode());
newP[0] = new Parameter(ClassHelper.STRING_TYPE, stringParameterName);
String intParameterName = getUniqueVariableName("__int", ctor.getCode());
newP[1] = new Parameter(ClassHelper.int_TYPE, intParameterName);
System.arraycopy(oldP, 0, newP, 2, oldP.length);
ctor.setParameters(newP);
VariableExpression stringVariable = new VariableExpression(newP[0]);
VariableExpression intVariable = new VariableExpression(newP[1]);
if (chainedThisConstructorCall) {
TupleExpression args = (TupleExpression) cce.getArguments();
List<Expression> argsExprs = args.getExpressions();
argsExprs.add(0, stringVariable);
argsExprs.add(1, intVariable);
} else {
// add a super call
List<Expression> args = new ArrayList<Expression>();
args.add(stringVariable);
args.add(intVariable);
if (isAic) {
for (Parameter parameter : oldP) {
args.add(new VariableExpression(parameter.getName()));
}
}
cce = new ConstructorCallExpression(ClassNode.SUPER, new ArgumentListExpression(args));
BlockStatement code = new BlockStatement();
code.addStatement(new ExpressionStatement(cce));
Statement oldCode = ctor.getCode();
if (oldCode != null) code.addStatement(oldCode);
ctor.setCode(code);
}
}
/**
* Adds a static method to the given class node that delegates to the given method and resolves
* the object to invoke the method on from the given expression.
*
* @param expression The expression
* @param classNode The class node
* @param delegateMethod The delegate method
* @return The added method node or null if it couldn't be added
*/
public static MethodNode addDelegateStaticMethod(
Expression expression, ClassNode classNode, MethodNode delegateMethod) {
Parameter[] parameterTypes = delegateMethod.getParameters();
String declaredMethodName = delegateMethod.getName();
if (classNode.hasDeclaredMethod(declaredMethodName, parameterTypes)) {
return null;
}
BlockStatement methodBody = new BlockStatement();
ArgumentListExpression arguments = new ArgumentListExpression();
for (Parameter parameterType : parameterTypes) {
arguments.addExpression(new VariableExpression(parameterType.getName()));
}
MethodCallExpression methodCallExpression =
new MethodCallExpression(expression, declaredMethodName, arguments);
methodCallExpression.setMethodTarget(delegateMethod);
ThrowStatement missingMethodException = createMissingMethodThrowable(classNode, delegateMethod);
VariableExpression apiVar = addApiVariableDeclaration(expression, delegateMethod, methodBody);
IfStatement ifStatement =
createIfElseStatementForApiMethodCall(methodCallExpression, apiVar, missingMethodException);
methodBody.addStatement(ifStatement);
ClassNode returnType = nonGeneric(delegateMethod.getReturnType());
if (METHOD_MISSING_METHOD_NAME.equals(declaredMethodName)) {
declaredMethodName = STATIC_METHOD_MISSING_METHOD_NAME;
}
MethodNode methodNode = classNode.getDeclaredMethod(declaredMethodName, parameterTypes);
if (methodNode == null) {
methodNode =
new MethodNode(
declaredMethodName,
Modifier.PUBLIC | Modifier.STATIC,
returnType,
copyParameters(parameterTypes),
GrailsArtefactClassInjector.EMPTY_CLASS_ARRAY,
methodBody);
methodNode.addAnnotations(delegateMethod.getAnnotations());
classNode.addMethod(methodNode);
}
return methodNode;
}
@Test
public void transformationOfAnnotationOnMethodParameter() {
ClassNode classNode = new ClassNode("Test", 0, new ClassNode(Object.class));
this.moduleNode.addClass(classNode);
Parameter parameter = new Parameter(new ClassNode(Object.class), "test");
parameter.addAnnotation(this.grabAnnotation);
MethodNode methodNode =
new MethodNode(
"test",
0,
new ClassNode(Void.class),
new Parameter[] {parameter},
new ClassNode[0],
null);
classNode.addMethod(methodNode);
assertGrabAnnotationHasBeenTransformed();
}
public void visitClosureExpression(ClosureExpression expression) {
pushState();
expression.setVariableScope(currentScope);
if (expression.isParameterSpecified()) {
Parameter[] parameters = expression.getParameters();
for (Parameter parameter : parameters) {
parameter.setInStaticContext(currentScope.isInStaticContext());
if (parameter.hasInitialExpression()) {
parameter.getInitialExpression().visit(this);
}
declare(parameter, expression);
}
} else if (expression.getParameters() != null) {
Parameter var = new Parameter(ClassHelper.OBJECT_TYPE, "it");
var.setInStaticContext(currentScope.isInStaticContext());
currentScope.putDeclaredVariable(var);
}
super.visitClosureExpression(expression);
markClosureSharedVariables();
popState();
}
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 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 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;
}
private void checkGenericsUsage(ASTNode ref, Parameter[] params) {
for (Parameter p : params) {
checkGenericsUsage(ref, p.getType());
}
}
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;
}
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);
}
}