From fa9f6aadfe5e8165bc096cc592ed443233529bfe Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=A9mie=20Astor?= <fennecdjay@gmail.com>
Date: Fri, 29 Apr 2022 23:37:52 +0200
Subject: [PATCH] :art: mark arg value

---
 include/env/value.h | 3 ++-
 src/parse/check.c   | 2 +-
 src/parse/scan2.c   | 5 ++---
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/env/value.h b/include/env/value.h
index dcae4d85..67d26942 100644
--- a/include/env/value.h
+++ b/include/env/value.h
@@ -19,7 +19,8 @@ enum vflag {
   vflag_member   = 1 << 6,
   vflag_inner    = 1 << 7, // value is in a scope
   vflag_release  = 1 << 8,
-  vflag_assigned = 1 << 9
+  vflag_assigned = 1 << 9,
+  vflag_arg      = 1 << 10
   //  vflag_used = 1 << 3
 } __attribute__((packed));
 
diff --git a/src/parse/check.c b/src/parse/check.c
index d1338583..814f18ca 100644
--- a/src/parse/check.c
+++ b/src/parse/check.c
@@ -306,7 +306,7 @@ ANN static Value check_non_res_value(const Env env, const Symbol *data) {
     return v;
   } else if (SAFE_FLAG(env->class_def, global) ||
              (env->func && GET_FLAG(env->func->def->base, global))) {
-    if (!value || !is_value_global(env, value))
+    if (!value || !(is_value_global(env, value) || vflag(value, vflag_arg)))
       ERR_O(prim_pos(data),
             _("non-global variable '%s' used from global function/class."),
             s_name(var))
diff --git a/src/parse/scan2.c b/src/parse/scan2.c
index 6ce4a975..e45c28a2 100644
--- a/src/parse/scan2.c
+++ b/src/parse/scan2.c
@@ -49,14 +49,13 @@ ANN m_bool scan2_exp_decl(const Env env, const Exp_Decl *decl) {
 
 ANN static m_bool scan2_args(const Func_Def f) {
   Arg_List   args   = f->base->args;
-  const bool global = GET_FLAG(f->base, global);
   for(uint32_t i = 0; i < args->len; i++) {
     Arg *arg = mp_vector_at(args, Arg, i);
     const Value v   = arg->var_decl.value;
     v->from->offset = f->stack_depth;
-    //f->stack_depth += v->type->size;
+    // when can there be no type?
     f->stack_depth += v->type ? v->type->size : SZ_INT;
-    if (global) SET_FLAG(v, global);
+    set_vflag(v, vflag_arg);
   }
   return GW_OK;
 }
-- 
2.43.0