public void classLambdaToJava(
ClassNode node,
TextBuffer buffer,
Exprent method_object,
int indent,
BytecodeMappingTracer origTracer) {
ClassWrapper wrapper = node.getWrapper();
if (wrapper == null) {
return;
}
boolean lambdaToAnonymous =
DecompilerContext.getOption(IFernflowerPreferences.LAMBDA_TO_ANONYMOUS_CLASS);
ClassNode outerNode =
(ClassNode) DecompilerContext.getProperty(DecompilerContext.CURRENT_CLASS_NODE);
DecompilerContext.setProperty(DecompilerContext.CURRENT_CLASS_NODE, node);
BytecodeMappingTracer tracer = new BytecodeMappingTracer(origTracer.getCurrentSourceLine());
try {
StructClass cl = wrapper.getClassStruct();
DecompilerContext.getLogger().startWriteClass(node.simpleName);
if (node.lambdaInformation.is_method_reference) {
if (!node.lambdaInformation.is_content_method_static && method_object != null) {
// reference to a virtual method
buffer.append(method_object.toJava(indent, tracer));
} else {
// reference to a static method
buffer.append(
ExprProcessor.getCastTypeName(
new VarType(node.lambdaInformation.content_class_name, false)));
}
buffer.append("::");
buffer.append(node.lambdaInformation.content_method_name);
} else {
// lambda method
StructMethod mt = cl.getMethod(node.lambdaInformation.content_method_key);
MethodWrapper methodWrapper = wrapper.getMethodWrapper(mt.getName(), mt.getDescriptor());
MethodDescriptor md_content =
MethodDescriptor.parseDescriptor(node.lambdaInformation.content_method_descriptor);
MethodDescriptor md_lambda =
MethodDescriptor.parseDescriptor(node.lambdaInformation.method_descriptor);
if (!lambdaToAnonymous) {
buffer.append('(');
boolean firstParameter = true;
int index = node.lambdaInformation.is_content_method_static ? 0 : 1;
int start_index = md_content.params.length - md_lambda.params.length;
for (int i = 0; i < md_content.params.length; i++) {
if (i >= start_index) {
if (!firstParameter) {
buffer.append(", ");
}
String parameterName = methodWrapper.varproc.getVarName(new VarVersionPair(index, 0));
buffer.append(
parameterName == null
? "param" + index
: parameterName); // null iff decompiled with errors
firstParameter = false;
}
index += md_content.params[i].stackSize;
}
buffer.append(") ->");
}
buffer.append(" {").appendLineSeparator();
tracer.incrementCurrentSourceLine();
methodLambdaToJava(node, wrapper, mt, buffer, indent + 1, !lambdaToAnonymous, tracer);
buffer.appendIndent(indent).append("}");
addTracer(cl, mt, tracer);
}
} finally {
DecompilerContext.setProperty(DecompilerContext.CURRENT_CLASS_NODE, outerNode);
}
DecompilerContext.getLogger().endWriteClass();
}
