public void positionStmtsAfterEnumInitStmts(List<Statement> staticFieldStatements) {
MethodNode method = getOrAddStaticConstructorNode();
Statement statement = method.getCode();
if (statement instanceof BlockStatement) {
BlockStatement block = (BlockStatement) statement;
// add given statements for explicitly declared static fields just after enum-special fields
// are found - the $VALUES binary expression marks the end of such fields.
List<Statement> blockStatements = block.getStatements();
ListIterator<Statement> litr = blockStatements.listIterator();
while (litr.hasNext()) {
Statement stmt = litr.next();
if (stmt instanceof ExpressionStatement
&& ((ExpressionStatement) stmt).getExpression() instanceof BinaryExpression) {
BinaryExpression bExp = (BinaryExpression) ((ExpressionStatement) stmt).getExpression();
if (bExp.getLeftExpression() instanceof FieldExpression) {
FieldExpression fExp = (FieldExpression) bExp.getLeftExpression();
if (fExp.getFieldName().equals("$VALUES")) {
for (Statement tmpStmt : staticFieldStatements) {
litr.add(tmpStmt);
}
}
}
}
}
}
}
public void addStaticInitializerStatements(List<Statement> staticStatements, boolean fieldInit) {
MethodNode method = getOrAddStaticConstructorNode();
BlockStatement block = null;
Statement statement = method.getCode();
if (statement == null) {
block = new BlockStatement();
} else if (statement instanceof BlockStatement) {
block = (BlockStatement) statement;
} else {
block = new BlockStatement();
block.addStatement(statement);
}
// while anything inside a static initializer block is appended
// we don't want to append in the case we have a initialization
// expression of a static field. In that case we want to add
// before the other statements
if (!fieldInit) {
block.addStatements(staticStatements);
} else {
List<Statement> blockStatements = block.getStatements();
staticStatements.addAll(blockStatements);
blockStatements.clear();
blockStatements.addAll(staticStatements);
}
}
public Map<String, MethodNode> getDeclaredMethodsMap() {
// Start off with the methods from the superclass.
ClassNode parent = getSuperClass();
Map<String, MethodNode> result = null;
if (parent != null) {
result = parent.getDeclaredMethodsMap();
} else {
result = new HashMap<String, MethodNode>();
}
// add in unimplemented abstract methods from the interfaces
for (ClassNode iface : getInterfaces()) {
Map<String, MethodNode> ifaceMethodsMap = iface.getDeclaredMethodsMap();
for (String methSig : ifaceMethodsMap.keySet()) {
if (!result.containsKey(methSig)) {
MethodNode methNode = ifaceMethodsMap.get(methSig);
result.put(methSig, methNode);
}
}
}
// And add in the methods implemented in this class.
for (MethodNode method : getMethods()) {
String sig = method.getTypeDescriptor();
result.put(sig, method);
}
return result;
}
/**
* Finds a method matching the given name and parameters in this class or any parent class.
*
* @return the method matching the given name and parameters or null
*/
public MethodNode getMethod(String name, Parameter[] parameters) {
for (MethodNode method : getMethods(name)) {
if (parametersEqual(method.getParameters(), parameters)) {
return method;
}
}
return null;
}
public void addMethod(MethodNode node) {
node.setDeclaringClass(this);
ClassNode base = redirect();
if (base.methodsList.isEmpty()) {
base.methodsList = new ArrayList<MethodNode>();
}
base.methodsList.add(node);
base.methods.put(node.getName(), node);
}
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 used to add "bridge" methods for private methods of an inner/outer class, so
* that the outer class is capable of calling them. It does basically the same job as access$000
* like methods in Java.
*
* @param node an inner/outer class node for which to generate bridge methods
*/
@SuppressWarnings("unchecked")
private void addPrivateBridgeMethods(final ClassNode node) {
Set<ASTNode> accessedMethods =
(Set<ASTNode>) node.getNodeMetaData(StaticTypesMarker.PV_METHODS_ACCESS);
if (accessedMethods == null) return;
List<MethodNode> methods = new ArrayList<MethodNode>(node.getAllDeclaredMethods());
Map<MethodNode, MethodNode> privateBridgeMethods =
(Map<MethodNode, MethodNode>) node.getNodeMetaData(PRIVATE_BRIDGE_METHODS);
if (privateBridgeMethods != null) {
// private bridge methods already added
return;
}
privateBridgeMethods = new HashMap<MethodNode, MethodNode>();
int i = -1;
final int access = Opcodes.ACC_STATIC | Opcodes.ACC_PUBLIC | Opcodes.ACC_SYNTHETIC;
for (MethodNode method : methods) {
if (accessedMethods.contains(method)) {
i++;
Parameter[] methodParameters = method.getParameters();
Parameter[] newParams = new Parameter[methodParameters.length + 1];
System.arraycopy(methodParameters, 0, newParams, 1, methodParameters.length);
newParams[0] = new Parameter(node.getPlainNodeReference(), "$that");
Expression arguments;
if (method.getParameters() == null || method.getParameters().length == 0) {
arguments = ArgumentListExpression.EMPTY_ARGUMENTS;
} else {
List<Expression> args = new LinkedList<Expression>();
for (Parameter parameter : methodParameters) {
args.add(new VariableExpression(parameter));
}
arguments = new ArgumentListExpression(args);
}
Expression receiver =
method.isStatic() ? new ClassExpression(node) : new VariableExpression(newParams[0]);
MethodCallExpression mce = new MethodCallExpression(receiver, method.getName(), arguments);
mce.setMethodTarget(method);
ExpressionStatement returnStatement = new ExpressionStatement(mce);
MethodNode bridge =
node.addMethod(
"access$" + i,
access,
method.getReturnType(),
newParams,
method.getExceptions(),
returnStatement);
privateBridgeMethods.put(method, bridge);
bridge.addAnnotation(new AnnotationNode(COMPILESTATIC_CLASSNODE));
}
}
if (!privateBridgeMethods.isEmpty()) {
node.setNodeMetaData(PRIVATE_BRIDGE_METHODS, privateBridgeMethods);
}
}
/** Adds a synthetic method as part of the compilation process */
public MethodNode addSyntheticMethod(
String name,
int modifiers,
ClassNode returnType,
Parameter[] parameters,
ClassNode[] exceptions,
Statement code) {
MethodNode answer =
addMethod(name, modifiers | ACC_SYNTHETIC, returnType, parameters, exceptions, code);
answer.setSynthetic(true);
return answer;
}
/**
* Tests whether the ClassNode implements the specified method name
*
* @param classNode The ClassNode
* @param methodName The method name
* @param argTypes
* @return True if it implements the method
*/
private static boolean implementsMethod(
ClassNode classNode, String methodName, Class[] argTypes) {
List methods = classNode.getMethods();
for (Iterator i = methods.iterator(); i.hasNext(); ) {
MethodNode mn = (MethodNode) i.next();
final boolean isZeroArg = (argTypes == null || argTypes.length == 0);
boolean methodMatch = mn.getName().equals(methodName) && isZeroArg;
if (methodMatch) return true;
// TODO Implement further parameter analysis
}
return false;
}
public MethodNode getGetterMethod(String getterName) {
for (MethodNode method : getDeclaredMethods(getterName)) {
if (getterName.equals(method.getName())
&& ClassHelper.VOID_TYPE != method.getReturnType()
&& method.getParameters().length == 0) {
return method;
}
}
ClassNode parent = getSuperClass();
if (parent != null) return parent.getGetterMethod(getterName);
return null;
}
public MethodNode getSetterMethod(String setterName, boolean voidOnly) {
for (MethodNode method : getDeclaredMethods(setterName)) {
if (setterName.equals(method.getName())
&& (!voidOnly || ClassHelper.VOID_TYPE == method.getReturnType())
&& method.getParameters().length == 1) {
return method;
}
}
ClassNode parent = getSuperClass();
if (parent != null) return parent.getSetterMethod(setterName, voidOnly);
return null;
}
/**
* @return the list of abstract methods associated with this ClassNode or null if there are no
* such methods
*/
public List<MethodNode> getAbstractMethods() {
List<MethodNode> result = new ArrayList<MethodNode>(3);
for (MethodNode method : getDeclaredMethodsMap().values()) {
if (method.isAbstract()) {
result.add(method);
}
}
if (result.isEmpty()) {
return null;
} else {
return result;
}
}
public void removeMethod(MethodNode node) {
ClassNode base = redirect();
if (!base.methodsList.isEmpty()) {
base.methodsList.remove(node);
}
base.methods.remove(node.getName(), node);
}
@Override
public void visitMethod(final MethodNode node) {
if (isSkipMode(node)) {
node.putNodeMetaData(STATIC_COMPILE_NODE, false);
}
super.visitMethod(node);
checkForConstructorWithCSButClassWithout(node);
}
private MethodNode getOrAddStaticConstructorNode() {
MethodNode method = null;
List declaredMethods = getDeclaredMethods("<clinit>");
if (declaredMethods.isEmpty()) {
method =
addMethod(
"<clinit>",
ACC_STATIC,
ClassHelper.VOID_TYPE,
Parameter.EMPTY_ARRAY,
ClassNode.EMPTY_ARRAY,
new BlockStatement());
method.setSynthetic(true);
} else {
method = (MethodNode) declaredMethods.get(0);
}
return method;
}
/**
* Returns true if the given method has a possibly matching instance method with the given name
* and arguments.
*
* @param name the name of the method of interest
* @param arguments the arguments to match against
* @return true if a matching method was found
*/
public boolean hasPossibleMethod(String name, Expression arguments) {
int count = 0;
if (arguments instanceof TupleExpression) {
TupleExpression tuple = (TupleExpression) arguments;
// TODO this won't strictly be true when using list expansion in argument calls
count = tuple.getExpressions().size();
}
ClassNode node = this;
do {
for (MethodNode method : getMethods(name)) {
if (method.getParameters().length == count && !method.isStatic()) {
return true;
}
}
node = node.getSuperClass();
} while (node != null);
return false;
}
private void replaceObfuscatedMethodNames(AsmagicDiffVisitor dv) {
for (MethodNode mn : dv.newMethods) {
if (mn.visibleAnnotations != null) {
for (Object oan : mn.visibleAnnotations) {
AnnotationNode an = (AnnotationNode) oan;
if (an.desc.contains("AsmagicMethodReplace")) {
List<Object> vals = an.values;
String alias = null;
if (vals != null || vals.size() > 1) {
alias = (String) vals.get(1);
dv.methodsToReplace.put(alias, 1);
mn.name = alias;
}
}
}
}
}
}
public InlineResult doInline(
@NotNull MethodVisitor adapter,
@NotNull LocalVarRemapper remapper,
boolean remapReturn,
@NotNull LabelOwner labelOwner) {
// analyze body
MethodNode transformedNode = markPlacesForInlineAndRemoveInlinable(node);
// substitute returns with "goto end" instruction to keep non local returns in lambdas
Label end = new Label();
transformedNode = doInline(transformedNode);
removeClosureAssertions(transformedNode);
InsnList instructions = transformedNode.instructions;
instructions.resetLabels();
MethodNode resultNode =
new MethodNode(
InlineCodegenUtil.API,
transformedNode.access,
transformedNode.name,
transformedNode.desc,
transformedNode.signature,
ArrayUtil.toStringArray(transformedNode.exceptions));
RemapVisitor visitor = new RemapVisitor(resultNode, remapper, nodeRemapper);
try {
transformedNode.accept(visitor);
} catch (Exception e) {
throw wrapException(e, transformedNode, "couldn't inline method call");
}
resultNode.visitLabel(end);
if (inliningContext.isRoot()) {
InternalFinallyBlockInliner.processInlineFunFinallyBlocks(resultNode, lambdasFinallyBlocks);
}
processReturns(resultNode, labelOwner, remapReturn, end);
// flush transformed node to output
resultNode.accept(new InliningInstructionAdapter(adapter));
return result;
}
@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;
}
private static void showDocument(Document doc) {
StringBuffer content = new StringBuffer();
Node node = doc.getChildNodes().item(0);
ApplicationNode appNode = new ApplicationNode(node);
content.append("Application \n");
List<ClassNode> classes = appNode.getClasses();
for (int i = 0; i < classes.size(); i++) {
ClassNode classNode = classes.get(i);
content.append(SPACE + "Class: " + classNode.getName() + " \n");
List<MethodNode> methods = classNode.getMethods();
for (int j = 0; j < methods.size(); j++) {
MethodNode methodNode = methods.get(j);
content.append(SPACE + SPACE + "Method: " + methodNode.getName() + " \n");
}
}
System.out.println(content.toString());
}
/**
* Returns true if the given method has a possibly matching static method with the given name and
* arguments.
*
* @param name the name of the method of interest
* @param arguments the arguments to match against
* @return true if a matching method was found
*/
public boolean hasPossibleStaticMethod(String name, Expression arguments) {
int count = 0;
if (arguments instanceof TupleExpression) {
TupleExpression tuple = (TupleExpression) arguments;
// TODO this won't strictly be true when using list expansion in argument calls
count = tuple.getExpressions().size();
} else if (arguments instanceof MapExpression) {
count = 1;
}
for (MethodNode method : getMethods(name)) {
if (method.isStatic()) {
Parameter[] parameters = method.getParameters();
if (parameters.length == count) return true;
// handle varargs case
if (parameters.length > 0 && parameters[parameters.length - 1].getType().isArray()) {
if (count >= parameters.length - 1) return true;
}
// handle parameters with default values
int nonDefaultParameters = 0;
for (Parameter parameter : parameters) {
if (!parameter.hasInitialExpression()) {
nonDefaultParameters++;
}
}
if (count < parameters.length && nonDefaultParameters <= count) {
return true;
}
}
}
return false;
}
/**
* If we are in a constructor, that is static compiled, but in a class, that is not, it may happen
* that init code from object initializers, fields or properties is added into the constructor
* code. The backend assumes a purely static contructor, so it may fail if it encounters dynamic
* code here. Thus we make this kind of code fail
*/
private void checkForConstructorWithCSButClassWithout(MethodNode node) {
if (!(node instanceof ConstructorNode)) return;
Object meta = node.getNodeMetaData(STATIC_COMPILE_NODE);
if (!Boolean.TRUE.equals(meta)) return;
ClassNode clz = typeCheckingContext.getEnclosingClassNode();
meta = clz.getNodeMetaData(STATIC_COMPILE_NODE);
if (Boolean.TRUE.equals(meta)) return;
if (clz.getObjectInitializerStatements().isEmpty()
&& clz.getFields().isEmpty()
&& clz.getProperties().isEmpty()) {
return;
}
addStaticTypeError(
"Cannot statically compile constructor implicitly including non static elements from object initializers, properties or fields.",
node);
}
public MethodNode tryFindPossibleMethod(String name, Expression arguments) {
int count = 0;
if (arguments instanceof TupleExpression) {
TupleExpression tuple = (TupleExpression) arguments;
// TODO this won't strictly be true when using list expansion in argument calls
count = tuple.getExpressions().size();
} else return null;
MethodNode res = null;
ClassNode node = this;
TupleExpression args = (TupleExpression) arguments;
do {
for (MethodNode method : node.getMethods(name)) {
if (method.getParameters().length == count) {
boolean match = true;
for (int i = 0; i != count; ++i)
if (!args.getType().isDerivedFrom(method.getParameters()[i].getType())) {
match = false;
break;
}
if (match) {
if (res == null) res = method;
else {
if (res.getParameters().length != count) return null;
if (node.equals(this)) return null;
match = true;
for (int i = 0; i != count; ++i)
if (!res.getParameters()[i].getType().equals(method.getParameters()[i].getType())) {
match = false;
break;
}
if (!match) return null;
}
}
}
}
node = node.getSuperClass();
} while (node != null);
return res;
}
protected Expression transformPropertyExpression(PropertyExpression pe) {
if (currentMethod != null
&& currentMethod.isStatic()
&& pe.getObjectExpression() instanceof VariableExpression
&& ((VariableExpression) pe.getObjectExpression()).isSuperExpression()) {
PropertyExpression pexp =
new PropertyExpression(
new ClassExpression(currentClass.getSuperClass()), transform(pe.getProperty()));
pexp.setSourcePosition(pe);
return pexp;
}
boolean oldInPropertyExpression = inPropertyExpression;
Expression oldFoundArgs = foundArgs;
Expression oldFoundConstant = foundConstant;
inPropertyExpression = true;
foundArgs = null;
foundConstant = null;
Expression objectExpression = transform(pe.getObjectExpression());
boolean candidate = false;
if (objectExpression instanceof MethodCallExpression) {
candidate = ((MethodCallExpression) objectExpression).isImplicitThis();
}
if (foundArgs != null && foundConstant != null && candidate) {
Expression result = findStaticMethodImportFromModule(foundConstant, foundArgs);
if (result != null) {
objectExpression = result;
objectExpression.setSourcePosition(pe);
}
}
inPropertyExpression = oldInPropertyExpression;
foundArgs = oldFoundArgs;
foundConstant = oldFoundConstant;
pe.setObjectExpression(objectExpression);
return pe;
}
@NotNull
public MethodNode prepareNode(@NotNull MethodNode node) {
final int capturedParamsSize = parameters.getCaptured().size();
final int realParametersSize = parameters.getReal().size();
Type[] types = Type.getArgumentTypes(node.desc);
Type returnType = Type.getReturnType(node.desc);
ArrayList<Type> capturedTypes = parameters.getCapturedTypes();
Type[] allTypes =
ArrayUtil.mergeArrays(types, capturedTypes.toArray(new Type[capturedTypes.size()]));
node.instructions.resetLabels();
MethodNode transformedNode =
new MethodNode(
InlineCodegenUtil.API,
node.access,
node.name,
Type.getMethodDescriptor(returnType, allTypes),
node.signature,
null) {
private final boolean isInliningLambda = nodeRemapper.isInsideInliningLambda();
private int getNewIndex(int var) {
return var + (var < realParametersSize ? 0 : capturedParamsSize);
}
@Override
public void visitVarInsn(int opcode, int var) {
super.visitVarInsn(opcode, getNewIndex(var));
}
@Override
public void visitIincInsn(int var, int increment) {
super.visitIincInsn(getNewIndex(var), increment);
}
@Override
public void visitMaxs(int maxStack, int maxLocals) {
super.visitMaxs(maxStack, maxLocals + capturedParamsSize);
}
@Override
public void visitLineNumber(int line, @NotNull Label start) {
if (isInliningLambda) {
super.visitLineNumber(line, start);
}
}
@Override
public void visitLocalVariable(
@NotNull String name,
@NotNull String desc,
String signature,
@NotNull Label start,
@NotNull Label end,
int index) {
if (isInliningLambda) {
super.visitLocalVariable(name, desc, signature, start, end, getNewIndex(index));
}
}
};
node.accept(transformedNode);
transformCaptured(transformedNode);
return transformedNode;
}
private MethodNode doInline(MethodNode node) {
final Deque<InvokeCall> currentInvokes = new LinkedList<InvokeCall>(invokeCalls);
final MethodNode resultNode =
new MethodNode(node.access, node.name, node.desc, node.signature, null);
final Iterator<AnonymousObjectGeneration> iterator = anonymousObjectGenerations.iterator();
RemappingMethodAdapter remappingMethodAdapter =
new RemappingMethodAdapter(
resultNode.access, resultNode.desc, resultNode, new TypeRemapper(currentTypeMapping));
InlineAdapter lambdaInliner =
new InlineAdapter(remappingMethodAdapter, parameters.totalSize()) {
private AnonymousObjectGeneration anonymousObjectGen;
private void handleAnonymousObjectGeneration() {
anonymousObjectGen = iterator.next();
if (anonymousObjectGen.shouldRegenerate()) {
// TODO: need poping of type but what to do with local funs???
Type newLambdaType =
Type.getObjectType(inliningContext.nameGenerator.genLambdaClassName());
currentTypeMapping.put(
anonymousObjectGen.getOwnerInternalName(), newLambdaType.getInternalName());
AnonymousObjectTransformer transformer =
new AnonymousObjectTransformer(
anonymousObjectGen.getOwnerInternalName(),
inliningContext.subInlineWithClassRegeneration(
inliningContext.nameGenerator, currentTypeMapping, anonymousObjectGen),
isSameModule,
newLambdaType);
InlineResult transformResult =
transformer.doTransform(anonymousObjectGen, nodeRemapper);
result.addAllClassesToRemove(transformResult);
if (inliningContext.isInliningLambda && !anonymousObjectGen.isStaticOrigin()) {
// this class is transformed and original not used so we should remove original one
// after inlining
// Note: It is unsafe to remove anonymous class that is referenced by GETSTATIC
// within lambda
// because it can be local function from outer scope
result.addClassToRemove(anonymousObjectGen.getOwnerInternalName());
}
if (transformResult.getReifiedTypeParametersUsages().wereUsedReifiedParameters()) {
ReifiedTypeInliner.putNeedClassReificationMarker(mv);
result
.getReifiedTypeParametersUsages()
.mergeAll(transformResult.getReifiedTypeParametersUsages());
}
}
}
@Override
public void anew(@NotNull Type type) {
if (isAnonymousConstructorCall(type.getInternalName(), "<init>")) {
handleAnonymousObjectGeneration();
}
// in case of regenerated anonymousObjectGen type would be remapped to new one via
// remappingMethodAdapter
super.anew(type);
}
@Override
public void visitMethodInsn(
int opcode, String owner, String name, String desc, boolean itf) {
if (
/*INLINE_RUNTIME.equals(owner) &&*/ isInvokeOnLambda(owner, name)) { // TODO add method
assert !currentInvokes.isEmpty();
InvokeCall invokeCall = currentInvokes.remove();
LambdaInfo info = invokeCall.lambdaInfo;
if (info == null) {
// noninlinable lambda
super.visitMethodInsn(opcode, owner, name, desc, itf);
return;
}
int valueParamShift = getNextLocalIndex(); // NB: don't inline cause it changes
putStackValuesIntoLocals(
info.getInvokeParamsWithoutCaptured(), valueParamShift, this, desc);
addInlineMarker(this, true);
Parameters lambdaParameters = info.addAllParameters(nodeRemapper);
InlinedLambdaRemapper newCapturedRemapper =
new InlinedLambdaRemapper(
info.getLambdaClassType().getInternalName(), nodeRemapper, lambdaParameters);
setLambdaInlining(true);
MethodInliner inliner =
new MethodInliner(
info.getNode(),
lambdaParameters,
inliningContext.subInlineLambda(info),
newCapturedRemapper,
true /*cause all calls in same module as lambda*/,
"Lambda inlining " + info.getLambdaClassType().getInternalName());
LocalVarRemapper remapper = new LocalVarRemapper(lambdaParameters, valueParamShift);
InlineResult lambdaResult =
inliner.doInline(
this.mv, remapper, true, info); // TODO add skipped this and receiver
result.addAllClassesToRemove(lambdaResult);
// return value boxing/unboxing
Method bridge =
typeMapper
.mapSignature(
ClosureCodegen.getErasedInvokeFunction(info.getFunctionDescriptor()))
.getAsmMethod();
Method delegate =
typeMapper.mapSignature(info.getFunctionDescriptor()).getAsmMethod();
StackValue.onStack(delegate.getReturnType()).put(bridge.getReturnType(), this);
setLambdaInlining(false);
addInlineMarker(this, false);
} else if (isAnonymousConstructorCall(owner, name)) { // TODO add method
assert anonymousObjectGen != null
: "<init> call not corresponds to new call" + owner + " " + name;
if (anonymousObjectGen.shouldRegenerate()) {
// put additional captured parameters on stack
for (CapturedParamDesc capturedParamDesc :
anonymousObjectGen.getAllRecapturedParameters()) {
visitFieldInsn(
Opcodes.GETSTATIC,
capturedParamDesc.getContainingLambdaName(),
"$$$" + capturedParamDesc.getFieldName(),
capturedParamDesc.getType().getDescriptor());
}
super.visitMethodInsn(
opcode,
anonymousObjectGen.getNewLambdaType().getInternalName(),
name,
anonymousObjectGen.getNewConstructorDescriptor(),
itf);
anonymousObjectGen = null;
} else {
super.visitMethodInsn(
opcode, changeOwnerForExternalPackage(owner, opcode), name, desc, itf);
}
} else if (ReifiedTypeInliner.isNeedClassReificationMarker(
new MethodInsnNode(opcode, owner, name, desc, false))) {
// we will put it if needed in anew processing
} else {
super.visitMethodInsn(
opcode, changeOwnerForExternalPackage(owner, opcode), name, desc, itf);
}
}
@Override
public void visitFieldInsn(
int opcode, @NotNull String owner, @NotNull String name, @NotNull String desc) {
if (opcode == Opcodes.GETSTATIC && isAnonymousSingletonLoad(owner, name)) {
handleAnonymousObjectGeneration();
}
super.visitFieldInsn(opcode, owner, name, desc);
}
@Override
public void visitMaxs(int stack, int locals) {
lambdasFinallyBlocks = resultNode.tryCatchBlocks.size();
super.visitMaxs(stack, locals);
}
};
node.accept(lambdaInliner);
return resultNode;
}
@Override
public void makeGetPropertySite(
Expression receiver,
final String methodName,
final boolean safe,
final boolean implicitThis) {
Object dynamic =
receiver.getNodeMetaData(StaticCompilationMetadataKeys.RECEIVER_OF_DYNAMIC_PROPERTY);
if (dynamic != null) {
MethodNode target =
safe ? INVOKERHELPER_GETPROPERTYSAFE_METHOD : INVOKERHELPER_GETPROPERTY_METHOD;
MethodCallExpression mce =
new MethodCallExpression(
new ClassExpression(INVOKERHELPER_TYPE),
target.getName(),
new ArgumentListExpression(receiver, new ConstantExpression(methodName)));
mce.setSafe(false);
mce.setImplicitThis(false);
mce.setMethodTarget(target);
mce.visit(controller.getAcg());
return;
}
TypeChooser typeChooser = controller.getTypeChooser();
ClassNode classNode = controller.getClassNode();
ClassNode receiverType =
(ClassNode) receiver.getNodeMetaData(StaticCompilationMetadataKeys.PROPERTY_OWNER);
if (receiverType == null) {
receiverType = typeChooser.resolveType(receiver, classNode);
}
Object type = receiver.getNodeMetaData(StaticTypesMarker.INFERRED_TYPE);
if (type == null && receiver instanceof VariableExpression) {
Variable variable = ((VariableExpression) receiver).getAccessedVariable();
if (variable instanceof Expression) {
type = ((Expression) variable).getNodeMetaData(StaticTypesMarker.INFERRED_TYPE);
}
}
if (type != null) {
// in case a "flow type" is found, it is preferred to use it instead of
// the declaration type
receiverType = (ClassNode) type;
}
boolean isClassReceiver = false;
if (isClassClassNodeWrappingConcreteType(receiverType)) {
isClassReceiver = true;
receiverType = receiverType.getGenericsTypes()[0].getType();
}
MethodVisitor mv = controller.getMethodVisitor();
if (receiverType.isArray() && methodName.equals("length")) {
receiver.visit(controller.getAcg());
ClassNode arrayGetReturnType = typeChooser.resolveType(receiver, classNode);
controller.getOperandStack().doGroovyCast(arrayGetReturnType);
mv.visitInsn(ARRAYLENGTH);
controller.getOperandStack().replace(int_TYPE);
return;
} else if ((receiverType.implementsInterface(COLLECTION_TYPE)
|| COLLECTION_TYPE.equals(receiverType))
&& ("size".equals(methodName) || "length".equals(methodName))) {
MethodCallExpression expr =
new MethodCallExpression(receiver, "size", ArgumentListExpression.EMPTY_ARGUMENTS);
expr.setMethodTarget(COLLECTION_SIZE_METHOD);
expr.setImplicitThis(implicitThis);
expr.setSafe(safe);
expr.visit(controller.getAcg());
return;
}
if (makeGetPropertyWithGetter(receiver, receiverType, methodName, safe, implicitThis)) return;
if (makeGetField(
receiver,
receiverType,
methodName,
implicitThis,
samePackages(receiverType.getPackageName(), classNode.getPackageName()))) return;
if (receiverType.isEnum()) {
mv.visitFieldInsn(
GETSTATIC,
BytecodeHelper.getClassInternalName(receiverType),
methodName,
BytecodeHelper.getTypeDescription(receiverType));
controller.getOperandStack().push(receiverType);
return;
}
if (receiver instanceof ClassExpression) {
if (makeGetField(
receiver,
receiver.getType(),
methodName,
implicitThis,
samePackages(receiver.getType().getPackageName(), classNode.getPackageName()))) return;
if (makeGetPropertyWithGetter(receiver, receiver.getType(), methodName, safe, implicitThis))
return;
if (makeGetPrivateFieldWithBridgeMethod(
receiver, receiver.getType(), methodName, safe, implicitThis)) return;
}
if (isClassReceiver) {
// we are probably looking for a property of the class
if (makeGetPropertyWithGetter(receiver, CLASS_Type, methodName, safe, implicitThis)) return;
if (makeGetField(receiver, CLASS_Type, methodName, false, true)) return;
}
if (makeGetPrivateFieldWithBridgeMethod(receiver, receiverType, methodName, safe, implicitThis))
return;
// GROOVY-5580, it is still possible that we're calling a superinterface property
String getterName = "get" + MetaClassHelper.capitalize(methodName);
if (receiverType.isInterface()) {
Set<ClassNode> allInterfaces = receiverType.getAllInterfaces();
MethodNode getterMethod = null;
for (ClassNode anInterface : allInterfaces) {
getterMethod = anInterface.getGetterMethod(getterName);
if (getterMethod != null) break;
}
// GROOVY-5585
if (getterMethod == null) {
getterMethod = OBJECT_TYPE.getGetterMethod(getterName);
}
if (getterMethod != null) {
MethodCallExpression call =
new MethodCallExpression(receiver, getterName, ArgumentListExpression.EMPTY_ARGUMENTS);
call.setMethodTarget(getterMethod);
call.setImplicitThis(false);
call.setSourcePosition(receiver);
call.visit(controller.getAcg());
return;
}
}
// GROOVY-5568, we would be facing a DGM call, but instead of foo.getText(), have foo.text
List<MethodNode> methods =
findDGMMethodsByNameAndArguments(
controller.getSourceUnit().getClassLoader(),
receiverType,
getterName,
ClassNode.EMPTY_ARRAY);
if (!methods.isEmpty()) {
List<MethodNode> methodNodes = chooseBestMethod(receiverType, methods, ClassNode.EMPTY_ARRAY);
if (methodNodes.size() == 1) {
MethodNode getter = methodNodes.get(0);
MethodCallExpression call =
new MethodCallExpression(receiver, getterName, ArgumentListExpression.EMPTY_ARGUMENTS);
call.setMethodTarget(getter);
call.setImplicitThis(false);
call.setSourcePosition(receiver);
call.visit(controller.getAcg());
return;
}
}
boolean isStaticProperty =
receiver instanceof ClassExpression
&& (receiverType.isDerivedFrom(receiver.getType())
|| receiverType.implementsInterface(receiver.getType()));
if (!isStaticProperty) {
if (receiverType.implementsInterface(MAP_TYPE) || MAP_TYPE.equals(receiverType)) {
// for maps, replace map.foo with map.get('foo')
writeMapDotProperty(receiver, methodName, mv, safe);
return;
}
if (receiverType.implementsInterface(LIST_TYPE) || LIST_TYPE.equals(receiverType)) {
writeListDotProperty(receiver, methodName, mv, safe);
return;
}
}
controller
.getSourceUnit()
.addError(
new SyntaxException(
"Access to "
+ (receiver instanceof ClassExpression ? receiver.getType() : receiverType)
.toString(false)
+ "#"
+ methodName
+ " is forbidden",
receiver.getLineNumber(),
receiver.getColumnNumber(),
receiver.getLastLineNumber(),
receiver.getLastColumnNumber()));
controller.getMethodVisitor().visitInsn(ACONST_NULL);
controller.getOperandStack().push(OBJECT_TYPE);
}
private boolean makeGetPropertyWithGetter(
final Expression receiver,
final ClassNode receiverType,
final String methodName,
final boolean safe,
final boolean implicitThis) {
// does a getter exists ?
String getterName = "get" + MetaClassHelper.capitalize(methodName);
MethodNode getterNode = receiverType.getGetterMethod(getterName);
if (getterNode == null) {
getterName = "is" + MetaClassHelper.capitalize(methodName);
getterNode = receiverType.getGetterMethod(getterName);
}
if (getterNode != null
&& receiver instanceof ClassExpression
&& !CLASS_Type.equals(receiverType)
&& !getterNode.isStatic()) {
return false;
}
// GROOVY-5561: if two files are compiled in the same source unit
// and that one references the other, the getters for properties have not been
// generated by the compiler yet (generated by the Verifier)
PropertyNode propertyNode = receiverType.getProperty(methodName);
if (propertyNode != null) {
// it is possible to use a getter
String prefix = "get";
if (boolean_TYPE.equals(propertyNode.getOriginType())) {
prefix = "is";
}
getterName = prefix + MetaClassHelper.capitalize(methodName);
getterNode =
new MethodNode(
getterName,
ACC_PUBLIC,
propertyNode.getOriginType(),
Parameter.EMPTY_ARRAY,
ClassNode.EMPTY_ARRAY,
EmptyStatement.INSTANCE);
getterNode.setDeclaringClass(receiverType);
if (propertyNode.isStatic()) getterNode.setModifiers(ACC_PUBLIC + ACC_STATIC);
}
if (getterNode != null) {
MethodCallExpression call =
new MethodCallExpression(receiver, getterName, ArgumentListExpression.EMPTY_ARGUMENTS);
call.setSourcePosition(receiver);
call.setMethodTarget(getterNode);
call.setImplicitThis(implicitThis);
call.setSafe(safe);
call.visit(controller.getAcg());
return true;
}
if (receiverType instanceof InnerClassNode && !receiverType.isStaticClass()) {
if (makeGetPropertyWithGetter(
receiver, receiverType.getOuterClass(), methodName, safe, implicitThis)) {
return true;
}
}
// go upper level
ClassNode superClass = receiverType.getSuperClass();
if (superClass != null) {
return makeGetPropertyWithGetter(receiver, superClass, methodName, safe, implicitThis);
}
return false;
}
static {
ARRAYLIST_CONSTRUCTOR =
new ConstructorNode(
ACC_PUBLIC, Parameter.EMPTY_ARRAY, ClassNode.EMPTY_ARRAY, EmptyStatement.INSTANCE);
ARRAYLIST_CONSTRUCTOR.setDeclaringClass(StaticCompilationVisitor.ARRAYLIST_CLASSNODE);
}
protected Expression transformMethodCallExpression(MethodCallExpression mce) {
Expression args = transform(mce.getArguments());
Expression method = transform(mce.getMethod());
Expression object = transform(mce.getObjectExpression());
boolean isExplicitThisOrSuper = false;
boolean isExplicitSuper = false;
if (object instanceof VariableExpression) {
VariableExpression ve = (VariableExpression) object;
isExplicitThisOrSuper =
!mce.isImplicitThis() && (ve.isThisExpression() || ve.isSuperExpression());
isExplicitSuper = ve.isSuperExpression();
}
if (mce.isImplicitThis() || isExplicitThisOrSuper) {
if (mce.isImplicitThis()) {
Expression ret = findStaticMethodImportFromModule(method, args);
if (ret != null) {
setSourcePosition(ret, mce);
return ret;
}
if (method instanceof ConstantExpression && !inLeftExpression) {
// could be a closure field
String methodName = (String) ((ConstantExpression) method).getValue();
ret = findStaticFieldOrPropAccessorImportFromModule(methodName);
if (ret != null) {
ret = new MethodCallExpression(ret, "call", args);
setSourcePosition(ret, mce);
return ret;
}
}
} else if (currentMethod != null && currentMethod.isStatic() && isExplicitSuper) {
MethodCallExpression ret =
new MethodCallExpression(
new ClassExpression(currentClass.getSuperClass()), method, args);
setSourcePosition(ret, mce);
return ret;
}
if (method instanceof ConstantExpression) {
ConstantExpression ce = (ConstantExpression) method;
Object value = ce.getValue();
if (value instanceof String) {
String methodName = (String) value;
boolean lookForPossibleStaticMethod = !methodName.equals("call");
if (currentMethod != null && !currentMethod.isStatic()) {
if (currentClass.hasPossibleMethod(methodName, args)) {
lookForPossibleStaticMethod = false;
}
}
if (!inClosure
&& (inSpecialConstructorCall
|| (lookForPossibleStaticMethod
&& currentClass.hasPossibleStaticMethod(methodName, args)))) {
StaticMethodCallExpression smce =
new StaticMethodCallExpression(currentClass, methodName, args);
setSourcePosition(smce, mce);
return smce;
}
}
}
}
MethodCallExpression result = new MethodCallExpression(object, method, args);
result.setSafe(mce.isSafe());
result.setImplicitThis(mce.isImplicitThis());
result.setSpreadSafe(mce.isSpreadSafe());
result.setMethodTarget(mce.getMethodTarget());
// GROOVY-6757
result.setGenericsTypes(mce.getGenericsTypes());
setSourcePosition(result, mce);
return result;
}
