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;
}
public void generateAndInsertFinallyBlocks(
@NotNull MethodNode intoNode,
@NotNull List<MethodInliner.PointForExternalFinallyBlocks> insertPoints,
int offsetForFinallyLocalVar) {
if (!codegen.hasFinallyBlocks()) return;
Map<AbstractInsnNode, MethodInliner.PointForExternalFinallyBlocks> extensionPoints =
new HashMap<AbstractInsnNode, MethodInliner.PointForExternalFinallyBlocks>();
for (MethodInliner.PointForExternalFinallyBlocks insertPoint : insertPoints) {
extensionPoints.put(insertPoint.beforeIns, insertPoint);
}
DefaultProcessor processor = new DefaultProcessor(intoNode, offsetForFinallyLocalVar);
int curFinallyDepth = 0;
AbstractInsnNode curInstr = intoNode.instructions.getFirst();
while (curInstr != null) {
processor.processInstruction(curInstr, true);
if (InlineCodegenUtil.isFinallyStart(curInstr)) {
// TODO depth index calc could be more precise
curFinallyDepth = getConstant(curInstr.getPrevious());
}
MethodInliner.PointForExternalFinallyBlocks extension = extensionPoints.get(curInstr);
if (extension != null) {
Label start = new Label();
MethodNode finallyNode = InlineCodegenUtil.createEmptyMethodNode();
finallyNode.visitLabel(start);
ExpressionCodegen finallyCodegen =
new ExpressionCodegen(
finallyNode,
codegen.getFrameMap(),
codegen.getReturnType(),
codegen.getContext(),
codegen.getState(),
codegen.getParentCodegen());
finallyCodegen.addBlockStackElementsForNonLocalReturns(
codegen.getBlockStackElements(), curFinallyDepth);
FrameMap frameMap = finallyCodegen.getFrameMap();
FrameMap.Mark mark = frameMap.mark();
while (frameMap.getCurrentSize() < processor.getNextFreeLocalIndex()) {
frameMap.enterTemp(Type.INT_TYPE);
}
finallyCodegen.generateFinallyBlocksIfNeeded(
extension.returnType, extension.finallyIntervalEnd.getLabel());
// Exception table for external try/catch/finally blocks will be generated in original
// codegen after exiting this method
InlineCodegenUtil.insertNodeBefore(finallyNode, intoNode, curInstr);
SimpleInterval splitBy =
new SimpleInterval((LabelNode) start.info, extension.finallyIntervalEnd);
processor.getTryBlocksMetaInfo().splitCurrentIntervals(splitBy, true);
// processor.getLocalVarsMetaInfo().splitAndRemoveIntervalsFromCurrents(splitBy);
mark.dropTo();
}
curInstr = curInstr.getNext();
}
processor.substituteTryBlockNodes(intoNode);
// processor.substituteLocalVarTable(intoNode);
}