@NotNull
public static CapturedParamInfo findCapturedField(
FieldInsnNode node, FieldRemapper fieldRemapper) {
assert node.name.startsWith("$$$") : "Captured field template should start with $$$ prefix";
FieldInsnNode fin =
new FieldInsnNode(node.getOpcode(), node.owner, node.name.substring(3), node.desc);
CapturedParamInfo field = fieldRemapper.findField(fin);
if (field == null) {
throw new IllegalStateException(
"Couldn't find captured field "
+ node.owner
+ "."
+ node.name
+ " in "
+ fieldRemapper.getLambdaInternalName());
}
return field;
}
private void transformCaptured(@NotNull MethodNode node) {
if (nodeRemapper.isRoot()) {
return;
}
// Fold all captured variable chain - ALOAD 0 ALOAD this$0 GETFIELD $captured - to GETFIELD
// $$$$captured
// On future decoding this field could be inline or unfolded in another field access chain (it
// can differ in some missed this$0)
AbstractInsnNode cur = node.instructions.getFirst();
while (cur != null) {
if (cur instanceof VarInsnNode && cur.getOpcode() == Opcodes.ALOAD) {
if (((VarInsnNode) cur).var == 0) {
List<AbstractInsnNode> accessChain = getCapturedFieldAccessChain((VarInsnNode) cur);
AbstractInsnNode insnNode = nodeRemapper.foldFieldAccessChainIfNeeded(accessChain, node);
if (insnNode != null) {
cur = insnNode;
}
}
}
cur = cur.getNext();
}
}