Handle empty argument list to system function. (SystemVerilog)

steveicarus · Nov 6, 2011 · fc44658 · fc44658
1 parent 8e0beff
commit fc44658
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/parse.y b/parse.y
@@ -1661,6 +1661,17 @@ expr_primary
 	      yyerror(@1, "error: Empty function argument list requires SystemVerilog.");
 	}
       }
+  | SYSTEM_IDENTIFIER '('  ')'
+      { perm_string tn = lex_strings.make($1);
+	const vector<PExpr*>empty;
+	PECallFunction*tmp = new PECallFunction(tn, empty);
+	FILE_NAME(tmp, @1);
+	delete[]$1;
+	$$ = tmp;
+	if (!gn_system_verilog()) {
+	      yyerror(@1, "error: Empty function argument list requires SystemVerilog.");
+	}
+      }
 
   /* Many of the VAMS built-in functions are available as builtin
      functions with $system_function equivalents. */