From 2d2d79a05b8423c7638348dc5a89793c1e0cafce Mon Sep 17 00:00:00 2001
From: Loris Cro <kappaloris@gmail.com>
Date: Wed, 10 May 2023 21:07:40 +0200
Subject: [PATCH] autodoc: fix crash when call syntax has complex callee
 expression

---
 src/Autodoc.zig | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Autodoc.zig b/src/Autodoc.zig
index e9fb8ab630..aac9b93c62 100644
--- a/src/Autodoc.zig
+++ b/src/Autodoc.zig
@@ -2396,7 +2396,19 @@ fn walkInstruction(
 
             return DocData.WalkResult{
                 .typeRef = if (callee.typeRef) |tr| switch (tr) {
-                    .type => |func_type_idx| self.types.items[func_type_idx].Fn.ret,
+                    .type => |func_type_idx| switch (self.types.items[func_type_idx]) {
+                        .Fn => |func| func.ret,
+                        else => blk: {
+                            printWithContext(
+                                file,
+                                inst_index,
+                                "unexpected callee type in walkInstruction.call: `{s}`\n",
+                                .{@tagName(self.types.items[func_type_idx])},
+                            );
+
+                            break :blk null;
+                        },
+                    },
                     else => null,
                 } else null,
                 .expr = .{ .call = call_slot_index },