From 4612aa062bc23e44da62dd58e4b3d3a8ef13d998 Mon Sep 17 00:00:00 2001
From: Fangrui Song <i@maskray.me>
Date: Sat, 14 Jul 2018 13:56:00 -0700
Subject: [PATCH] $ccls/publishSemanticHighlighting: support both
 line/character-style and position-style ranges

---
 src/config.h           |  5 ++++-
 src/message_handler.cc |  8 +++++---
 src/message_handler.h  | 12 +++---------
 3 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/src/config.h b/src/config.h
index 1ba2f1c6..13379fbf 100644
--- a/src/config.h
+++ b/src/config.h
@@ -144,6 +144,9 @@ struct Config {
 
   // Semantic highlighting
   struct Highlight {
+    // true: LSP line/character; false: position
+    bool lsRanges = false;
+
     // Like index.{whitelist,blacklist}, don't publish semantic highlighting to
     // blacklisted files.
     std::vector<std::string> blacklist;
@@ -230,7 +233,7 @@ MAKE_REFLECT_STRUCT(Config::Diagnostics,
                     onParse,
                     onType,
                     whitelist)
-MAKE_REFLECT_STRUCT(Config::Highlight, blacklist, whitelist)
+MAKE_REFLECT_STRUCT(Config::Highlight, lsRanges, blacklist, whitelist)
 MAKE_REFLECT_STRUCT(Config::Index,
                     attributeMakeCallsToCtor,
                     blacklist,
diff --git a/src/message_handler.cc b/src/message_handler.cc
index 711f1d2f..f6ef4695 100644
--- a/src/message_handler.cc
+++ b/src/message_handler.cc
@@ -336,12 +336,14 @@ void EmitSemanticHighlighting(DB *db,
   Out_CclsPublishSemanticHighlighting out;
   out.params.uri = lsDocumentUri::FromPath(wfile->filename);
   // Transform lsRange into pair<int, int> (offset pairs)
-  {
+  if (!g_config->highlight.lsRanges) {
     std::vector<std::pair<lsRange, Out_CclsPublishSemanticHighlighting::Symbol *>>
       scratch;
-    for (auto &entry : grouped_symbols)
+    for (auto &entry : grouped_symbols) {
       for (auto &range : entry.second.lsRanges)
         scratch.emplace_back(range, &entry.second);
+      entry.second.lsRanges.clear();
+    }
     std::sort(scratch.begin(), scratch.end(),
       [](auto &l, auto &r) { return l.first.start < r.first.start; });
     const auto &buf = wfile->buffer_content;
@@ -375,7 +377,7 @@ void EmitSemanticHighlighting(DB *db,
   }
 
   for (auto &entry : grouped_symbols)
-    if (entry.second.ranges.size())
+    if (entry.second.ranges.size() || entry.second.lsRanges.size())
       out.params.symbols.push_back(std::move(entry.second));
   pipeline::WriteStdout(kMethodType_CclsPublishSemanticHighlighting, out);
 }
diff --git a/src/message_handler.h b/src/message_handler.h
index 425a134d..f771ec0b 100644
--- a/src/message_handler.h
+++ b/src/message_handler.h
@@ -76,15 +76,9 @@ struct Out_CclsPublishSemanticHighlighting
   std::string method = "$ccls/publishSemanticHighlighting";
   Params params;
 };
-MAKE_REFLECT_STRUCT(Out_CclsPublishSemanticHighlighting::Symbol,
-                    stableId,
-                    parentKind,
-                    kind,
-                    storage,
-                    ranges);
-MAKE_REFLECT_STRUCT(Out_CclsPublishSemanticHighlighting::Params,
-                    uri,
-                    symbols);
+MAKE_REFLECT_STRUCT(Out_CclsPublishSemanticHighlighting::Symbol, stableId,
+                    parentKind, kind, storage, ranges, lsRanges);
+MAKE_REFLECT_STRUCT(Out_CclsPublishSemanticHighlighting::Params, uri, symbols);
 MAKE_REFLECT_STRUCT(Out_CclsPublishSemanticHighlighting,
                     jsonrpc,
                     method,