private void generateConstInstance() {
MethodVisitor mv =
v.newMethod(
OtherOrigin(element, funDescriptor),
ACC_STATIC | ACC_SYNTHETIC,
"<clinit>",
"()V",
null,
ArrayUtil.EMPTY_STRING_ARRAY);
InstructionAdapter iv = new InstructionAdapter(mv);
v.newField(
OtherOrigin(element, funDescriptor),
ACC_STATIC | ACC_FINAL | ACC_PUBLIC,
JvmAbi.INSTANCE_FIELD,
asmType.getDescriptor(),
null,
null);
if (state.getClassBuilderMode() == ClassBuilderMode.FULL) {
mv.visitCode();
iv.anew(asmType);
iv.dup();
iv.invokespecial(asmType.getInternalName(), "<init>", "()V", false);
iv.putstatic(asmType.getInternalName(), JvmAbi.INSTANCE_FIELD, asmType.getDescriptor());
mv.visitInsn(RETURN);
FunctionCodegen.endVisit(mv, "<clinit>", element);
}
}
private void generateBridge(@NotNull Method bridge, @NotNull Method delegate) {
if (bridge.equals(delegate)) return;
MethodVisitor mv =
v.newMethod(
OtherOrigin(element, funDescriptor),
ACC_PUBLIC | ACC_BRIDGE,
bridge.getName(),
bridge.getDescriptor(),
null,
ArrayUtil.EMPTY_STRING_ARRAY);
if (state.getClassBuilderMode() != ClassBuilderMode.FULL) return;
mv.visitCode();
InstructionAdapter iv = new InstructionAdapter(mv);
ImplementationBodyCodegen.markLineNumberForSyntheticFunction(
DescriptorUtils.getParentOfType(funDescriptor, ClassDescriptor.class), iv);
iv.load(0, asmType);
ReceiverParameterDescriptor receiver = funDescriptor.getExtensionReceiverParameter();
int count = 1;
if (receiver != null) {
StackValue.local(count, bridge.getArgumentTypes()[count - 1])
.put(typeMapper.mapType(receiver.getType()), iv);
count++;
}
List<ValueParameterDescriptor> params = funDescriptor.getValueParameters();
for (ValueParameterDescriptor param : params) {
StackValue.local(count, bridge.getArgumentTypes()[count - 1])
.put(typeMapper.mapType(param.getType()), iv);
count++;
}
iv.invokevirtual(
asmType.getInternalName(), delegate.getName(), delegate.getDescriptor(), false);
StackValue.onStack(delegate.getReturnType()).put(bridge.getReturnType(), iv);
iv.areturn(bridge.getReturnType());
FunctionCodegen.endVisit(mv, "bridge", element);
}
@NotNull
private Method generateConstructor(@NotNull Type superClassAsmType) {
List<FieldInfo> args = calculateConstructorParameters(typeMapper, closure, asmType);
Type[] argTypes = fieldListToTypeArray(args);
Method constructor = new Method("<init>", Type.VOID_TYPE, argTypes);
MethodVisitor mv =
v.newMethod(
OtherOrigin(element, funDescriptor),
visibilityFlag,
"<init>",
constructor.getDescriptor(),
null,
ArrayUtil.EMPTY_STRING_ARRAY);
if (state.getClassBuilderMode() == ClassBuilderMode.FULL) {
mv.visitCode();
InstructionAdapter iv = new InstructionAdapter(mv);
int k = 1;
for (FieldInfo fieldInfo : args) {
k = genAssignInstanceFieldFromParam(fieldInfo, k, iv);
}
iv.load(0, superClassAsmType);
if (superClassAsmType.equals(LAMBDA) || superClassAsmType.equals(FUNCTION_REFERENCE)) {
int arity = funDescriptor.getValueParameters().size();
if (funDescriptor.getExtensionReceiverParameter() != null) arity++;
if (funDescriptor.getDispatchReceiverParameter() != null) arity++;
iv.iconst(arity);
iv.invokespecial(superClassAsmType.getInternalName(), "<init>", "(I)V", false);
} else {
iv.invokespecial(superClassAsmType.getInternalName(), "<init>", "()V", false);
}
iv.visitInsn(RETURN);
FunctionCodegen.endVisit(iv, "constructor", element);
}
return constructor;
}
private SMAP generateMethodBody(
@NotNull MethodVisitor adapter,
@NotNull FunctionDescriptor descriptor,
@NotNull MethodContext context,
@NotNull JetExpression expression,
@NotNull JvmMethodSignature jvmMethodSignature,
boolean isLambda) {
FakeMemberCodegen parentCodegen =
new FakeMemberCodegen(
codegen.getParentCodegen(),
expression,
(FieldOwnerContext) context.getParentContext(),
isLambda
? codegen.getParentCodegen().getClassName()
: typeMapper.mapOwner(descriptor).getInternalName());
FunctionGenerationStrategy strategy =
expression instanceof JetCallableReferenceExpression
? new FunctionReferenceGenerationStrategy(
state,
descriptor,
CallUtilKt.getResolvedCallWithAssert(
((JetCallableReferenceExpression) expression).getCallableReference(),
codegen.getBindingContext()))
: new FunctionGenerationStrategy.FunctionDefault(
state, descriptor, (JetDeclarationWithBody) expression);
FunctionCodegen.generateMethodBody(
adapter,
descriptor,
context,
jvmMethodSignature,
strategy,
// Wrapping for preventing marking actual parent codegen as containing reifier markers
parentCodegen);
return createSMAPWithDefaultMapping(
expression, parentCodegen.getOrCreateSourceMapper().getResultMappings());
}
@NotNull
private SMAPAndMethodNode createMethodNode(boolean callDefault)
throws ClassNotFoundException, IOException {
JvmMethodSignature jvmSignature =
typeMapper.mapSignature(functionDescriptor, context.getContextKind());
Method asmMethod;
if (callDefault) {
asmMethod = typeMapper.mapDefaultMethod(functionDescriptor, context.getContextKind());
} else {
asmMethod = jvmSignature.getAsmMethod();
}
SMAPAndMethodNode nodeAndSMAP;
if (functionDescriptor instanceof DeserializedSimpleFunctionDescriptor) {
JetTypeMapper.ContainingClassesInfo containingClasses =
typeMapper.getContainingClassesForDeserializedCallable(
(DeserializedSimpleFunctionDescriptor) functionDescriptor);
VirtualFile file =
InlineCodegenUtil.getVirtualFileForCallable(containingClasses.getImplClassId(), state);
nodeAndSMAP =
InlineCodegenUtil.getMethodNode(
file.contentsToByteArray(),
asmMethod.getName(),
asmMethod.getDescriptor(),
containingClasses.getFacadeClassId());
if (nodeAndSMAP == null) {
throw new RuntimeException(
"Couldn't obtain compiled function body for " + descriptorName(functionDescriptor));
}
} else {
PsiElement element = DescriptorToSourceUtils.descriptorToDeclaration(functionDescriptor);
if (element == null || !(element instanceof JetNamedFunction)) {
throw new RuntimeException(
"Couldn't find declaration for function " + descriptorName(functionDescriptor));
}
JetNamedFunction inliningFunction = (JetNamedFunction) element;
MethodNode node =
new MethodNode(
InlineCodegenUtil.API,
getMethodAsmFlags(functionDescriptor, context.getContextKind())
| (callDefault ? Opcodes.ACC_STATIC : 0),
asmMethod.getName(),
asmMethod.getDescriptor(),
jvmSignature.getGenericsSignature(),
null);
// for maxLocals calculation
MethodVisitor maxCalcAdapter = InlineCodegenUtil.wrapWithMaxLocalCalc(node);
MethodContext methodContext = context.getParentContext().intoFunction(functionDescriptor);
SMAP smap;
if (callDefault) {
Type implementationOwner = typeMapper.mapOwner(functionDescriptor);
FakeMemberCodegen parentCodegen =
new FakeMemberCodegen(
codegen.getParentCodegen(),
inliningFunction,
(FieldOwnerContext) methodContext.getParentContext(),
implementationOwner.getInternalName());
FunctionCodegen.generateDefaultImplBody(
methodContext,
functionDescriptor,
maxCalcAdapter,
DefaultParameterValueLoader.DEFAULT,
inliningFunction,
parentCodegen);
smap =
createSMAPWithDefaultMapping(
inliningFunction, parentCodegen.getOrCreateSourceMapper().getResultMappings());
} else {
smap =
generateMethodBody(
maxCalcAdapter,
functionDescriptor,
methodContext,
inliningFunction,
jvmSignature,
false);
}
nodeAndSMAP = new SMAPAndMethodNode(node, smap);
maxCalcAdapter.visitMaxs(-1, -1);
maxCalcAdapter.visitEnd();
}
return nodeAndSMAP;
}
