From: Jeff Wang <jjj11x@gmail.com>
Date: Thu, 16 Jan 2020 20:23:03 +0000 (-0500)
Subject: allow enums to be declared at toplevel scope
X-Git-Tag: working-ls180~791^2~7
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=41a0a93dcc489fbba2624006ef52a3d0f565ee25;p=yosys.git

allow enums to be declared at toplevel scope
---

diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index 9013ebe66..2e1b1e404 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -428,6 +428,13 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
 			if (node->type == AST_PARAMETER || node->type == AST_LOCALPARAM || node->type == AST_WIRE || node->type == AST_AUTOWIRE || node->type == AST_MEMORY || node->type == AST_TYPEDEF)
 				while (node->simplify(true, false, false, 1, -1, false, node->type == AST_PARAMETER || node->type == AST_LOCALPARAM))
 					did_something = true;
+			if (node->type == AST_ENUM) {
+				for (auto enode : node->children){
+					log_assert(enode->type==AST_ENUM_ITEM);
+					while (node->simplify(true, false, false, 1, -1, false, node->type == AST_ENUM_ITEM))
+						did_something = true;
+				}
+			}
 		}
 	}