From 42e4e18ec80ce25fea0422f254550e98ebd23eae Mon Sep 17 00:00:00 2001
From: Wilson Snyder <wsnyder@wsnyder.org>
Date: Wed, 30 Nov 2022 18:13:57 -0500
Subject: [PATCH] Support multiple $dumpvar identifiers

---
 src/verilog.y                  | 2 +-
 test_regress/t/t_trace_two_a.v | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/verilog.y b/src/verilog.y
index 289b4e6fb..5b4c9cb96 100644
--- a/src/verilog.y
+++ b/src/verilog.y
@@ -3869,7 +3869,7 @@ system_t_call<nodeStmtp>:       // IEEE: system_tf_call (as task)
         |       yD_DUMPVARS parenE                      { $$ = new AstDumpCtl{$<fl>1, VDumpCtlType::VARS,
                                                                               new AstConst{$<fl>1, 0}}; }
         |       yD_DUMPVARS '(' expr ')'                { $$ = new AstDumpCtl{$<fl>1, VDumpCtlType::VARS, $3}; }
-        |       yD_DUMPVARS '(' expr ',' idDotted ')'   { $$ = new AstDumpCtl{$<fl>1, VDumpCtlType::VARS, $3}; DEL($5); }
+        |       yD_DUMPVARS '(' expr ',' exprList ')'   { $$ = new AstDumpCtl{$<fl>1, VDumpCtlType::VARS, $3}; DEL($5); }
         |       yD_DUMPALL parenE                       { $$ = new AstDumpCtl{$<fl>1, VDumpCtlType::ALL}; }
         |       yD_DUMPALL '(' expr ')'                 { $$ = new AstDumpCtl{$<fl>1, VDumpCtlType::ALL}; DEL($3); }
         |       yD_DUMPFLUSH parenE                     { $$ = new AstDumpCtl{$<fl>1, VDumpCtlType::FLUSH}; }
diff --git a/test_regress/t/t_trace_two_a.v b/test_regress/t/t_trace_two_a.v
index 83f3ed363..b6a310870 100644
--- a/test_regress/t/t_trace_two_a.v
+++ b/test_regress/t/t_trace_two_a.v
@@ -33,6 +33,8 @@ module t (/*AUTOARG*/
 `ifdef TEST_DUMP
       $dumpfile(filename);
       $dumpvars(0);  // Intentionally no ", top" for parsing coverage with just (expr)
+      $dumpvars(1, top);  // Intentionally checking parsing coverage
+      $dumpvars(1, top, top);  // Intentionally checking parsing coverage
       $dumplimit(10 * 1024 * 1024);
 `elsif TEST_DUMPPORTS
       $dumpports(top, filename);