From f2606cd72f0b1dadf3d4a87bc3da70aefce03a7f Mon Sep 17 00:00:00 2001
From: Guus Waals <_@guusw.nl>
Date: Sun, 1 Jun 2025 22:27:11 +0800
Subject: [PATCH] Fix parsing of cc

---
 tooling/parser.cpp | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/tooling/parser.cpp b/tooling/parser.cpp
index e8c19045..a844d05e 100644
--- a/tooling/parser.cpp
+++ b/tooling/parser.cpp
@@ -217,8 +217,19 @@ CallingConvention getCallingConvention(TSNode node, const char *source_code) {
     TSNode child = ts_node_child(node, i);
     const char *type = ts_node_type(child);
 
-    // Look for identifiers that might be calling conventions
-    if (strcmp(type, "identifier") == 0) {
+    // Handle Microsoft calling convention modifiers (tree-sitter specific)
+    if (strcmp(type, "ms_call_modifier") == 0) {
+      std::string text = extractNodeText(child, source_code);
+      if (text == "__fastcall" || text == "__FASTCALL") {
+        return CallingConvention::Fastcall;
+      } else if (text == "__stdcall" || text == "__STDCALL") {
+        return CallingConvention::Stdcall;
+      } else if (text == "__cdecl" || text == "__CDECL") {
+        return CallingConvention::Cdecl;
+      }
+    }
+    // Look for identifiers that might be calling conventions (fallback)
+    else if (strcmp(type, "identifier") == 0) {
       std::string text = extractNodeText(child, source_code);
       if (text == "__fastcall" || text == "__FASTCALL") {
         return CallingConvention::Fastcall;