[Lldb-commits] [lldb] [NFC][lldb] Speed up lookup of shared modules (PR #152054)

[Jonas Devlieghere via lldb-commits]

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@@ -755,11 +755,240 @@ size_t ModuleList::GetIndexForModule(const Module *module) const {
 }
 
 namespace {
+/// A wrapper around ModuleList for shared modules. Provides fast lookups for
+/// file-based ModuleSpec queries.
+class SharedModuleList {
+public:
+  /// Finds all the modules matching the module_spec, and adds them to \p
+  /// matching_module_list.
+  void FindModules(const ModuleSpec &module_spec,
+                   ModuleList &matching_module_list) const {
+    std::lock_guard<std::recursive_mutex> guard(GetMutex());
+    // Try map first for performance - if found, skip expensive full list
+    // search
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JDevlieghere wrote:

```suggestion
    // search.
```

https://github.com/llvm/llvm-project/pull/152054