Add Config->reparseForDependency

Specify 1 if for large projects you don't want to reparse dependents at load time when a common .h changes.

src/config.h

@@ -177,14 +177,15 @@ struct Config {
     // If false, the indexer will be disabled.
     bool enabled = true;
 
-    // If true, project paths that were skipped by the whitelist/blacklist will
-    // be logged.
-    bool logSkippedPaths = false;
-
     // Allow indexing on textDocument/didChange.
     // May be too slow for big projects, so it is off by default.
     bool onDidChange = false;
 
+    // Whether to reparse a file if write times of its dependencies have
+    // changed. The file will always be reparsed if its own write time changes.
+    // 0: no, 1: only after initial load of project, 2: yes
+    int reparseForDependency = 2;
+
     // Number of indexer threads. If 0, 80% of cores are used.
     int threads = 0;
 
@@ -235,8 +236,8 @@ MAKE_REFLECT_STRUCT(Config::Index,
                     blacklist,
                     comments,
                     enabled,
-                    logSkippedPaths,
                     onDidChange,
+                    reparseForDependency,
                     threads,
                     whitelist);
 MAKE_REFLECT_STRUCT(Config::WorkspaceSymbol, caseSensitivity, maxNum, sort);

src/log.hh

@@ -37,4 +37,4 @@ struct Message {
 #define LOG_IF_S(v, cond)          \
   LOG_IF(ccls::log::Verbosity_##v, \
          (cond) && ccls::log::Verbosity_##v <= ccls::log::verbosity)
-#define CHECK_S(cond) LOG_IF(FATAL, !(cond)) << "check failed: " #cond " "
+#define LOG_V(v) LOG_IF(ccls::log::Verbosity(v), v <= ccls::log::verbosity)

src/messages/text_document_document_symbol.cc

@@ -49,11 +49,7 @@ struct Handler_TextDocumentDocumentSymbol
       if (sym.kind == SymbolKind::Var) {
         QueryVar& var = db->GetVar(sym);
         auto* def = var.AnyDef();
-        if (!def || !def->spell)
-          continue;
-        // Ignore local variables.
-        if (def->spell->kind == SymbolKind::Func && def->storage != SC_Static &&
-            def->storage != SC_Extern)
+        if (!def || !def->spell || def->is_local())
           continue;
       }
 

src/pipeline.cc

@@ -168,7 +168,9 @@ bool Indexer_Parse(DiagnosticsEngine* diag_engine,
     if (FileNeedsParse(*write_time, vfs, request.is_interactive, &*prev,
                        path_to_index, entry.args, std::nullopt))
       reparse = 2;
-    for (const auto& dep : prev->dependencies)
+    int reparseForDep = g_config->index.reparseForDependency;
+    if (reparseForDep > 1 || (reparseForDep == 1 && !Project::loaded))
+      for (const auto& dep : prev->dependencies) {
         if (auto write_time1 = LastWriteTime(dep.first().str())) {
           if (dep.second < *write_time1) {
             reparse = 2;
@@ -178,8 +180,10 @@ bool Indexer_Parse(DiagnosticsEngine* diag_engine,
         } else
           reparse = 2;
       }
+  }
 
   if (reparse < 2) {
+    LOG_S(INFO) << "load cache for " << path_to_index;
     auto dependencies = prev->dependencies;
     if (reparse) {
       IndexUpdate update = IndexUpdate::CreateDelta(nullptr, prev.get());
@@ -288,7 +292,8 @@ void Main_OnIndexed(DB* db,
                     WorkingFiles* working_files,
                     IndexUpdate* update) {
   if (update->refresh) {
-    LOG_S(INFO) << "Loaded project. Refresh semantic highlight for all working file.";
+    Project::loaded = true;
+    LOG_S(INFO) << "loaded project. Refresh semantic highlight for all working file.";
     std::lock_guard<std::mutex> lock(working_files->files_mutex);
     for (auto& f : working_files->files) {
       std::string filename = LowerPathIfInsensitive(f->filename);

src/project.cc

@@ -325,7 +325,10 @@ int ComputeGuessScore(std::string_view a, std::string_view b) {
 
 }  // namespace
 
+bool Project::loaded = false;
+
 void Project::Load(const std::string& root_directory) {
+  Project::loaded = false;
   // Load data.
   ProjectConfig project;
   project.extra_flags = g_config->clang.extraArgs;
@@ -428,8 +431,8 @@ void Project::ForAllFilteredFiles(
     std::string failure_reason;
     if (matcher.IsMatch(entry.filename, &failure_reason))
       action(i, entries[i]);
-    else if (g_config->index.logSkippedPaths) {
-      LOG_S(INFO) << "[" << i + 1 << "/" << entries.size() << "]: Failed "
+    else {
+      LOG_V(1) << "[" << i + 1 << "/" << entries.size() << "]: Failed "
                << failure_reason << "; skipping " << entry.filename;
     }
   }

src/project.h

@@ -57,4 +57,6 @@ struct Project {
       std::function<void(int i, const Entry& entry)> action);
 
   void Index(WorkingFiles* wfiles, lsRequestId id);
+
+  static bool loaded;
 };

src/utils.cc

@@ -105,7 +105,6 @@ std::string EscapeFileName(std::string path) {
 }
 
 std::optional<std::string> ReadContent(const std::string& filename) {
-  LOG_S(INFO) << "read " << filename;
   char buf[4096];
   std::string ret;
   FILE* f = fopen(filename.c_str(), "rb");