From 9f035559defd9d575f37fd825954610065d9cf96 Mon Sep 17 00:00:00 2001
From: John Drouhard <john@drouhard.dev>
Date: Wed, 23 Nov 2022 10:06:36 -0600
Subject: feat(lsp): initial support for semantic token highlighting

* credit to @smolck and @theHamsta for their contributions in laying the
  groundwork for this feature and for their work on some of the helper
  utility functions and tests
---
 runtime/lua/vim/lsp/protocol.lua | 55 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

(limited to 'runtime/lua/vim/lsp/protocol.lua')

diff --git a/runtime/lua/vim/lsp/protocol.lua b/runtime/lua/vim/lsp/protocol.lua
index 925115d056..dfbd01b8f8 100644
--- a/runtime/lua/vim/lsp/protocol.lua
+++ b/runtime/lua/vim/lsp/protocol.lua
@@ -629,6 +629,58 @@ export interface WorkspaceClientCapabilities {
 function protocol.make_client_capabilities()
   return {
     textDocument = {
+      semanticTokens = {
+        dynamicRegistration = false,
+        tokenTypes = {
+          'namespace',
+          'type',
+          'class',
+          'enum',
+          'interface',
+          'struct',
+          'typeParameter',
+          'parameter',
+          'variable',
+          'property',
+          'enumMember',
+          'event',
+          'function',
+          'method',
+          'macro',
+          'keyword',
+          'modifier',
+          'comment',
+          'string',
+          'number',
+          'regexp',
+          'operator',
+          'decorator',
+        },
+        tokenModifiers = {
+          'declaration',
+          'definition',
+          'readonly',
+          'static',
+          'deprecated',
+          'abstract',
+          'async',
+          'modification',
+          'documentation',
+          'defaultLibrary',
+        },
+        formats = { 'relative' },
+        requests = {
+          -- TODO(jdrouhard): Add support for this
+          range = false,
+          full = { delta = true },
+        },
+
+        overlappingTokenSupport = true,
+        -- TODO(jdrouhard): Add support for this
+        multilineTokenSupport = false,
+        serverCancelSupport = false,
+        augmentsSyntaxTokens = true,
+      },
       synchronization = {
         dynamicRegistration = false,
 
@@ -772,6 +824,9 @@ function protocol.make_client_capabilities()
       workspaceEdit = {
         resourceOperations = { 'rename', 'create', 'delete' },
       },
+      semanticTokens = {
+        refreshSupport = true,
+      },
     },
     callHierarchy = {
       dynamicRegistration = false,
-- 
cgit