@NotNull
// process local and global returns (local substituted with goto end-label global kept unchanged)
public static List<PointForExternalFinallyBlocks> processReturns(
@NotNull MethodNode node,
@NotNull LabelOwner labelOwner,
boolean remapReturn,
Label endLabel) {
if (!remapReturn) {
return Collections.emptyList();
}
List<PointForExternalFinallyBlocks> result = new ArrayList<PointForExternalFinallyBlocks>();
InsnList instructions = node.instructions;
AbstractInsnNode insnNode = instructions.getFirst();
while (insnNode != null) {
if (InlineCodegenUtil.isReturnOpcode(insnNode.getOpcode())) {
AbstractInsnNode previous = insnNode.getPrevious();
MethodInsnNode flagNode;
boolean isLocalReturn = true;
String labelName = null;
if (previous != null
&& previous instanceof MethodInsnNode
&& InlineCodegenUtil.NON_LOCAL_RETURN.equals(((MethodInsnNode) previous).owner)) {
flagNode = (MethodInsnNode) previous;
labelName = flagNode.name;
}
if (labelName != null) {
isLocalReturn = labelOwner.isMyLabel(labelName);
// remove global return flag
if (isLocalReturn) {
instructions.remove(previous);
}
}
if (isLocalReturn && endLabel != null) {
LabelNode labelNode = (LabelNode) endLabel.info;
JumpInsnNode jumpInsnNode = new JumpInsnNode(Opcodes.GOTO, labelNode);
instructions.insert(insnNode, jumpInsnNode);
instructions.remove(insnNode);
insnNode = jumpInsnNode;
}
// genetate finally block before nonLocalReturn flag/return/goto
result.add(
new PointForExternalFinallyBlocks(
isLocalReturn ? insnNode : insnNode.getPrevious(),
getReturnType(insnNode.getOpcode())));
}
insnNode = insnNode.getNext();
}
return result;
}
// TODO: check it's external module
// TODO?: assert method exists in facade?
public String changeOwnerForExternalPackage(String type, int opcode) {
if (isSameModule || (opcode & Opcodes.INVOKESTATIC) == 0) {
return type;
}
JvmClassName name = JvmClassName.byInternalName(type);
String packageClassInternalName =
PackageClassUtils.getPackageClassInternalName(name.getPackageFqName());
if (type.startsWith(packageClassInternalName + '$')) {
VirtualFile virtualFile =
InlineCodegenUtil.findVirtualFile(inliningContext.state.getProject(), type);
if (virtualFile != null) {
KotlinJvmBinaryClass klass = KotlinBinaryClassCache.getKotlinBinaryClass(virtualFile);
if (klass != null
&& klass.getClassHeader().getSyntheticClassKind()
== KotlinSyntheticClass.Kind.PACKAGE_PART) {
return packageClassInternalName;
}
}
}
return type;
}
