From 5bf28c5287fb6a33442b32a134785113869937a6 Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@vlang.io>
Date: Thu, 18 Nov 2021 11:57:57 +0300
Subject: [PATCH] cgen: handle c2v fn casts

---
 vlib/v/gen/c/cgen.v | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/vlib/v/gen/c/cgen.v b/vlib/v/gen/c/cgen.v
index e96b64819c..7e8599467d 100644
--- a/vlib/v/gen/c/cgen.v
+++ b/vlib/v/gen/c/cgen.v
@@ -5061,6 +5061,15 @@ fn (mut g Gen) ident(node ast.Ident) {
 			}
 		}
 	} else if node_info is ast.IdentFn {
+		if g.pref.translated {
+			// `p_mobjthinker` => `P_MobjThinker`
+			if f := g.table.find_fn(node.name) {
+				// TODO PERF fn lookup for each fn call in translated mode
+				if f.attrs.contains('c') {
+					name = f.attrs[0].arg
+				}
+			}
+		}
 		if g.pref.obfuscate && g.cur_mod.name == 'main' && name.starts_with('main__') {
 			key := node.name
 			g.write('/* obf identfn: $key */')
@@ -5114,6 +5123,15 @@ fn (mut g Gen) cast_expr(node ast.CastExpr) {
 		g.expr(node.expr)
 	} else {
 		styp := g.typ(node.typ)
+		if g.pref.translated && sym.kind == .function {
+			// TODO handle the type in fn casts, not just exprs
+			/*
+			info := sym.info as ast.FnType
+			if info.func.attrs.contains('c') {
+				// name = f.attrs[0].arg
+			}
+			*/
+		}
 		mut cast_label := ''
 		// `ast.string_type` is done for MSVC's bug
 		if sym.kind != .alias