From df9d096a7d88955dcf44d9e30a9ba49238b478db Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Thu, 15 Jan 2015 13:08:19 +0100
Subject: Ignoring more system task and functions

---
 frontends/ast/simplify.cc         | 4 +++-
 frontends/verilog/verilog_lexer.l | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

(limited to 'frontends')

diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index 552fc04b..6128ac68 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -157,7 +157,9 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
 		return false;
 
 	// deactivate all calls to non-synthesis system taks
-	if ((type == AST_FCALL || type == AST_TCALL) && (str == "$display" || str == "$stop" || str == "$finish")) {
+	if ((type == AST_FCALL || type == AST_TCALL) && (str == "$display" || str == "$strobe" || str == "$monitor" || str == "$time" || str == "$stop" || str == "$finish" ||
+			str == "$dumpfile" || str == "$dumpvars" || str == "$dumpon" || str == "$dumpoff" || str == "$dumpall")) {
+		log_warning("Ignoring call to system %s %s at %s:%d.\n", type == AST_FCALL ? "function" : "task", str.c_str(), filename.c_str(), linenum);
 		delete_children();
 		str = std::string();
 	}
diff --git a/frontends/verilog/verilog_lexer.l b/frontends/verilog/verilog_lexer.l
index 42b5bf7e..cb8fafcb 100644
--- a/frontends/verilog/verilog_lexer.l
+++ b/frontends/verilog/verilog_lexer.l
@@ -240,7 +240,7 @@ and|nand|or|nor|xor|xnor|not|buf|bufif0|bufif1|notif0|notif1 {
 supply0 { return TOK_SUPPLY0; }
 supply1 { return TOK_SUPPLY1; }
 
-"$"(display|time|stop|finish) {
+"$"(display|strobe|monitor|time|stop|finish|dumpfile|dumpvars|dumpon|dumpoff|dumpall) {
 	frontend_verilog_yylval.string = new std::string(yytext);
 	return TOK_ID;
 }
-- 
cgit v1.2.3