1 files changed, 34 insertions, 0 deletions
diff --git a/Userland/DevTools/HackStudio/LanguageServers/CodeComprehensionEngine.cpp b/Userland/DevTools/HackStudio/LanguageServers/CodeComprehensionEngine.cpp
new file mode 100644
index 0000000000..20f2a7a1d6
--- /dev/null
+++ b/Userland/DevTools/HackStudio/LanguageServers/CodeComprehensionEngine.cpp
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2021, Itamar S. <itamar8910@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include "CodeComprehensionEngine.h"
+
+namespace LanguageServers {
+
+CodeComprehensionEngine::CodeComprehensionEngine(const FileDB& filedb, bool should_store_all_declarations)
+    : m_filedb(filedb)
+    , m_store_all_declarations(should_store_all_declarations)
+{
+}
+
+CodeComprehensionEngine::~CodeComprehensionEngine()
+{
+}
+void CodeComprehensionEngine::set_declarations_of_document(const String& filename, Vector<GUI::AutocompleteProvider::Declaration>&& declarations)
+{
+    if (!set_declarations_of_document_callback)
+        return;
+
+    // Optimization - Only notify callback if declarations have changed
+    if (auto previous_declarations = m_all_declarations.get(filename); previous_declarations.has_value()) {
+        if (previous_declarations.value() == declarations)
+            return;
+    }
+    if (m_store_all_declarations)
+        m_all_declarations.set(filename, declarations);
+    set_declarations_of_document_callback(filename, move(declarations));
+}
+}