Language server performance and document symbol fix. (#4561)

3 files changed, 10 insertions, 1 deletions

diff --git a/source/slang/slang-check-decl.cpp b/source/slang/slang-check-decl.cpp
index c3074bc55..66bdbc18e 100644
--- a/source/slang/slang-check-decl.cpp
+++ b/source/slang/slang-check-decl.cpp
@@ -1823,6 +1823,7 @@ namespace Slang
     static ConstructorDecl* _createCtor(SemanticsDeclVisitorBase* visitor, ASTBuilder* m_astBuilder, AggTypeDecl* decl)
     {
         auto ctor = m_astBuilder->create<ConstructorDecl>();
+        addModifier(ctor, m_astBuilder->create<SynthesizedModifier>());
         auto ctorName = visitor->getName("$init");
         ctor->ownedScope = m_astBuilder->create<Scope>();
         ctor->ownedScope->containerDecl = ctor;
diff --git a/source/slang/slang-language-server-document-symbols.cpp b/source/slang/slang-language-server-document-symbols.cpp
index 26366d6cf..ec9b434eb 100644
--- a/source/slang/slang-language-server-document-symbols.cpp
+++ b/source/slang/slang-language-server-document-symbols.cpp
@@ -150,6 +150,8 @@ namespace Slang
                 continue;
             if (!nameLoc.loc.isValid())
                 continue;
+            if (child->hasModifier<SynthesizedModifier>() || child->hasModifier<ToBeSynthesizedModifier>())
+                continue;
             auto humaneLoc = srcManager->getHumaneLoc(nameLoc.loc, SourceLocType::Actual);
             if (humaneLoc.line == 0)
                 continue;
diff --git a/source/slang/slang.cpp b/source/slang/slang.cpp
index 67492d9b2..adfa031f5 100644
--- a/source/slang/slang.cpp
+++ b/source/slang/slang.cpp
@@ -3669,8 +3669,14 @@ RefPtr<Module> Linkage::findOrImportModule(
 
 
     // Look for a precompiled module first, if not exist, load from source.
-    for (int checkBinaryModule = 1; checkBinaryModule >= 0; checkBinaryModule--)
+    bool shouldCheckBinaryModuleSettings[2] = { true, false };
+
+    for (auto checkBinaryModule : shouldCheckBinaryModuleSettings)
     {
+        // When in language server, we always prefer to use source module if it is available.
+        if (isInLanguageServer())
+            checkBinaryModule = !checkBinaryModule;
+
         // Try without translating `_` to `-` first, if that fails, try translating.
         for (int translateUnderScore = 0; translateUnderScore <= 1; translateUnderScore++)
         {