From 162f1b2fbe88e18f47bd7a1b7b9e3c320e24fd3f Mon Sep 17 00:00:00 2001
From: Alexandros Naskos <alex_naskos@hotmail.com>
Date: Sat, 10 Oct 2020 12:25:50 +0300
Subject: [PATCH] Opaque type support

---
 src/analysis.zig        | 4 ++++
 src/main.zig            | 2 +-
 src/semantic_tokens.zig | 3 +++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/analysis.zig b/src/analysis.zig
index 5247a6a..3f51bc5 100644
--- a/src/analysis.zig
+++ b/src/analysis.zig
@@ -914,6 +914,10 @@ pub const TypeWithHandle = struct {
         return self.isContainer(.Keyword_union);
     }
 
+    pub fn isOpaqueType(self: TypeWithHandle) bool {
+        return self.isContainer(.Keyword_opaque);
+    }
+
     pub fn isTypeFunc(self: TypeWithHandle) bool {
         switch (self.type.data) {
             .other => |n| {
diff --git a/src/main.zig b/src/main.zig
index fe9a0c5..af760b4 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -92,7 +92,7 @@ var client_capabilities = ClientCapabilities{};
 var offset_encoding = offsets.Encoding.utf16;
 
 const initialize_capabilities =
-    \\"capabilities": {"signatureHelpProvider": {"triggerCharacters": ["(",","]},"textDocumentSync": 1,"renameProvider":true,"completionProvider": {"resolveProvider": false,"triggerCharacters": [".",":","@"]},"documentHighlightProvider": false,"hoverProvider": true,"codeActionProvider": false,"declarationProvider": true,"definitionProvider": true,"typeDefinitionProvider": true,"implementationProvider": false,"referencesProvider": true,"documentSymbolProvider": true,"colorProvider": false,"documentFormattingProvider": true,"documentRangeFormattingProvider": false,"foldingRangeProvider": false,"selectionRangeProvider": false,"workspaceSymbolProvider": false,"rangeProvider": false,"documentProvider": true,"workspace": {"workspaceFolders": {"supported": true,"changeNotifications": true}},"semanticTokensProvider": {"documentProvider": true,"legend": {"tokenTypes": ["namespace","type","struct","enum","union","parameter","variable","tagField","field","errorTag","function","keyword","comment","string","number","operator","builtin","label","keywordLiteral"],"tokenModifiers": ["definition","async","documentation", "generic"]}}}}}
+    \\"capabilities": {"signatureHelpProvider": {"triggerCharacters": ["(",","]},"textDocumentSync": 1,"renameProvider":true,"completionProvider": {"resolveProvider": false,"triggerCharacters": [".",":","@"]},"documentHighlightProvider": false,"hoverProvider": true,"codeActionProvider": false,"declarationProvider": true,"definitionProvider": true,"typeDefinitionProvider": true,"implementationProvider": false,"referencesProvider": true,"documentSymbolProvider": true,"colorProvider": false,"documentFormattingProvider": true,"documentRangeFormattingProvider": false,"foldingRangeProvider": false,"selectionRangeProvider": false,"workspaceSymbolProvider": false,"rangeProvider": false,"documentProvider": true,"workspace": {"workspaceFolders": {"supported": true,"changeNotifications": true}},"semanticTokensProvider": {"documentProvider": true,"legend": {"tokenTypes": ["namespace","type","struct","enum","union","opaque","parameter","variable","tagField","field","errorTag","function","keyword","comment","string","number","operator","builtin","label","keywordLiteral"],"tokenModifiers": ["definition","async","documentation", "generic"]}}}}}
 ;
 
 const initialize_response = ",\"result\": {" ++ initialize_capabilities;
diff --git a/src/semantic_tokens.zig b/src/semantic_tokens.zig
index c4b0ece..9486efd 100644
--- a/src/semantic_tokens.zig
+++ b/src/semantic_tokens.zig
@@ -10,6 +10,7 @@ const TokenType = enum(u32) {
     @"struct",
     @"enum",
     @"union",
+    @"opaque",
     parameter,
     variable,
     tagField,
@@ -195,6 +196,8 @@ fn colorIdentifierBasedOnType(builder: *Builder, type_node: analysis.TypeWithHan
             .@"enum"
         else if (type_node.isUnionType())
             .@"union"
+        else if (type_node.isOpaqueType())
+            .@"opaque"
         else
             TokenType.type;