ignore protect endprotect

diff --git a/frontends/verilog/verilog_lexer.l b/frontends/verilog/verilog_lexer.l
index 83921bf0be893641d42afc3e3a2bc3fee5d4c1cd..2c4880b84ccd29872a4ab2a650f2a4f843c32b75 100644 (file)
--- a/frontends/verilog/verilog_lexer.l
+++ b/frontends/verilog/verilog_lexer.l
@@ -135,6 +135,9 @@ YOSYS_NAMESPACE_END
                frontend_verilog_yyerror("Unsupported default nettype: %s", p);
 }
 
+"`protect"[^\n]* /* ignore `protect*/
+"`endprotect"[^\n]* /* ignore `endprotect*/
+
 "`"[a-zA-Z_$][a-zA-Z0-9_$]* {
        frontend_verilog_yyerror("Unimplemented compiler directive or undefined macro %s.", yytext);
 }