[Lldb-commits] [lldb] [lldb] Introduce ScriptedFrameProvider for real threads (PR #161870)

[via lldb-commits]

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+//===-- SyntheticFrameProvider.h --------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_TARGET_SYNTHETICFRAMEPROVIDER_H
+#define LLDB_TARGET_SYNTHETICFRAMEPROVIDER_H
+
+#include "lldb/Core/PluginInterface.h"
+#include "lldb/Utility/Status.h"
+#include "lldb/lldb-forward.h"
+#include "llvm/Support/Error.h"
+
+#include <optional>
+#include <vector>
+
+namespace lldb_private {
+
+/// Descriptor for configuring a synthetic frame provider.
+///
+/// This struct contains the metadata needed to instantiate a frame provider
+/// and optional filters to control which threads it applies to.
+struct SyntheticFrameProviderDescriptor {
+  /// Metadata for instantiating the provider (e.g., script class name and args)
+  lldb::ScriptedMetadataSP scripted_metadata_sp;
+
+  /// Optional list of thread IDs to which this provider applies.
+  /// If empty, the provider applies to all threads.
+  std::vector<lldb::tid_t> thread_ids;
+
+  SyntheticFrameProviderDescriptor() = default;
+
+  SyntheticFrameProviderDescriptor(lldb::ScriptedMetadataSP metadata_sp)
+      : scripted_metadata_sp(metadata_sp) {}
+
+  SyntheticFrameProviderDescriptor(lldb::ScriptedMetadataSP metadata_sp,
+                                   const std::vector<lldb::tid_t> &tids)
+      : scripted_metadata_sp(metadata_sp), thread_ids(tids) {}
+
+  /// Check if this descriptor applies to the given thread ID.
+  bool AppliesToThread(lldb::tid_t tid) const {
+    // If no thread IDs specified, applies to all threads
+    if (thread_ids.empty())
+      return true;
+
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jimingham wrote:

For instance, here's where you would want to find the Thread for `tid` and get its name to compare to the name list you really ought to have.

https://github.com/llvm/llvm-project/pull/161870