Emit local variable in global unnamed function, closes #814

Author: hsutter

regression-tests/test-results/version

@@ -1,5 +1,5 @@
 
-cppfront compiler v0.3.0   Build 8B19:0904
+cppfront compiler v0.3.0   Build 8B19:1018
 Copyright(c) Herb Sutter   All rights reserved
 
 SPDX-License-Identifier: CC-BY-NC-ND-4.0

source/build.info

@@ -1 +1 @@
-"8B19:0904"
+"8B19:1018"

source/parse.h

@@ -2850,6 +2850,23 @@ struct declaration_node
         { return !parent_declaration || parent_declaration->type.index() == a_namespace; }
     auto parent_is_alias      () const -> bool
         { return  parent_declaration && parent_declaration->type.index() == an_alias;    }
+
+    auto parent_is_type_alias     () const -> bool
+        { return parent_declaration && parent_declaration->is_alias() && std::get<an_alias>(parent_declaration->type)->is_type_alias(); }
+    auto parent_is_namespace_alias() const -> bool
+        { return parent_declaration && parent_declaration->is_alias() && std::get<an_alias>(parent_declaration->type)->is_namespace_alias(); }
+    auto parent_is_object_alias   () const -> bool
+        { return parent_declaration && parent_declaration->is_alias() && std::get<an_alias>(parent_declaration->type)->is_object_alias(); }
+
+    auto is_inside_global_unnamed_function() const -> bool {
+        auto parent = parent_declaration;
+        //  Get outside all nested function expressions
+        while (parent && parent->is_function() && !parent->has_name()) {
+            parent = parent->parent_declaration;
+        }
+        return !parent;
+    }
+
     auto parent_is_polymorphic() const -> bool
         { return  parent_declaration && parent_declaration->is_polymorphic(); }