From 8da0888bf6ae4c975c6d3b0c9a656bc10e1283e4 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Fri, 20 Sep 2019 12:16:20 +0200
Subject: Fix handling of read_verilog config in AstModule::reprocess_module(),
 fixes #1360

Signed-off-by: Clifford Wolf <clifford@clifford.at>
---
 frontends/ast/ast.cc | 47 +++++++++++++++++++++++++++++------------------
 1 file changed, 29 insertions(+), 18 deletions(-)

(limited to 'frontends/ast/ast.cc')

diff --git a/frontends/ast/ast.cc b/frontends/ast/ast.cc
index a3a78e414..21279cbfa 100644
--- a/frontends/ast/ast.cc
+++ b/frontends/ast/ast.cc
@@ -158,6 +158,11 @@ std::string AST::type2str(AstNodeType type)
 	X(AST_POSEDGE)
 	X(AST_NEGEDGE)
 	X(AST_EDGE)
+	X(AST_INTERFACE)
+	X(AST_INTERFACEPORT)
+	X(AST_INTERFACEPORTTYPE)
+	X(AST_MODPORT)
+	X(AST_MODPORTMEMBER)
 	X(AST_PACKAGE)
 #undef X
 	default:
@@ -1291,6 +1296,8 @@ void AST::explode_interface_port(AstNode *module_ast, RTLIL::Module * intfmodule
 // from AST. The interface members are copied into the AST module with the prefix of the interface.
 void AstModule::reprocess_module(RTLIL::Design *design, dict<RTLIL::IdString, RTLIL::Module*> local_interfaces)
 {
+	loadconfig();
+
 	bool is_top = false;
 	AstNode *new_ast = ast->clone();
 	for (auto &intf : local_interfaces) {
@@ -1474,24 +1481,7 @@ std::string AstModule::derive_common(RTLIL::Design *design, dict<RTLIL::IdString
 		stripped_name = stripped_name.substr(9);
 
 	log_header(design, "Executing AST frontend in derive mode using pre-parsed AST for module `%s'.\n", stripped_name.c_str());
-
-	current_ast = NULL;
-	flag_dump_ast1 = false;
-	flag_dump_ast2 = false;
-	flag_dump_vlog1 = false;
-	flag_dump_vlog2 = false;
-	flag_nolatches = nolatches;
-	flag_nomeminit = nomeminit;
-	flag_nomem2reg = nomem2reg;
-	flag_mem2reg = mem2reg;
-	flag_noblackbox = noblackbox;
-	flag_lib = lib;
-	flag_nowb = nowb;
-	flag_noopt = noopt;
-	flag_icells = icells;
-	flag_pwires = pwires;
-	flag_autowire = autowire;
-	use_internal_line_num();
+	loadconfig();
 
 	std::string para_info;
 	AstNode *new_ast = ast->clone();
@@ -1572,6 +1562,27 @@ RTLIL::Module *AstModule::clone() const
 	return new_mod;
 }
 
+void AstModule::loadconfig() const
+{
+	current_ast = NULL;
+	flag_dump_ast1 = false;
+	flag_dump_ast2 = false;
+	flag_dump_vlog1 = false;
+	flag_dump_vlog2 = false;
+	flag_nolatches = nolatches;
+	flag_nomeminit = nomeminit;
+	flag_nomem2reg = nomem2reg;
+	flag_mem2reg = mem2reg;
+	flag_noblackbox = noblackbox;
+	flag_lib = lib;
+	flag_nowb = nowb;
+	flag_noopt = noopt;
+	flag_icells = icells;
+	flag_pwires = pwires;
+	flag_autowire = autowire;
+	use_internal_line_num();
+}
+
 // internal dummy line number callbacks
 namespace {
 	int internal_line_num;
-- 
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