================
@@ -0,0 +1,100 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Target/SyntheticFrameProvider.h"
+#include "lldb/Core/PluginManager.h"
+#include "lldb/Target/Thread.h"
+#include "lldb/Utility/LLDBLog.h"
+#include "lldb/Utility/Log.h"
+#include "lldb/Utility/Status.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+SyntheticFrameProvider::SyntheticFrameProvider(StackFrameListSP input_frames)
+ : m_input_frames(std::move(input_frames)) {}
+
+SyntheticFrameProvider::~SyntheticFrameProvider() = default;
+
+void SyntheticFrameProviderDescriptor::Dump(Stream *s) const {
+ if (!s)
+ return;
+
+ s->Printf(" Name: %s\n", GetName().str().c_str());
+
+ // Show thread filter information
+ if (thread_specs.empty()) {
+ s->PutCString(" Thread Filter: (applies to all threads)\n");
+ } else {
+ s->Printf(" Thread Filter: %zu specification(s)\n", thread_specs.size());
+ for (size_t i = 0; i < thread_specs.size(); ++i) {
+ const ThreadSpec &spec = thread_specs[i];
+ s->Printf(" [%zu] ", i);
+ spec.GetDescription(s, lldb::eDescriptionLevelVerbose);
+ s->PutChar('\n');
+ }
+ }
+}
+
+llvm::Expected<SyntheticFrameProviderSP>
SyntheticFrameProvider::CreateInstance(
+ StackFrameListSP input_frames,
+ const SyntheticFrameProviderDescriptor &descriptor) {
+ if (!input_frames)
+ return llvm::createStringError(
+ "cannot create synthetic frame provider: Invalid input frames");
+
+ // Iterate through all registered ScriptedFrameProvider plugins
+ ScriptedFrameProviderCreateInstance create_callback = nullptr;
+ for (uint32_t idx = 0;
+ (create_callback =
+ PluginManager::GetScriptedFrameProviderCreateCallbackAtIndex(
+ idx)) != nullptr;
+ ++idx) {
+ auto provider_or_err = create_callback(input_frames, descriptor);
+ if (!provider_or_err) {
+ LLDB_LOG_ERROR(GetLog(LLDBLog::Target), provider_or_err.takeError(),
+ "Failed to create synthetic frame provider: {0}");
+ continue;
+ }
+
+ if (auto frame_provider_up = std::move(*provider_or_err))
+ return std::move(frame_provider_up);
+ }
+
+ return llvm::createStringError(
+ "cannot create synthetic frame provider: No suitable plugin found");
----------------
JDevlieghere wrote:
Why is this capitalized?
```suggestion
"cannot create synthetic frame provider: no suitable plugin found");
```
https://github.com/llvm/llvm-project/pull/166664
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