Support $bits(data_type), bug327.

Changes

@@ -3,6 +3,10 @@ Revision history for Verilator
 The contributors that suggested a given feature are shown in [].  [by ...]
 indicates the contributor was also the author of the fix; Thanks!
 
+* Verilator 3.8****
+
+**** Support $bits(data_type), bug327.  [Alex Solomatnikov]
+
 * Verilator 3.811 2011/02/14
 
 **** Report errors on duplicated or empty pins, bug321.  [Christian Leber]

src/config_build.h.in

@@ -25,7 +25,7 @@
 //**********************************************************************
 //**** Version and host name
 
-#define DTVERSION	"Verilator 3.811 2011/02/14"
+#define DTVERSION	"Verilator 3.811+ devel"
 
 //**********************************************************************
 //**** Functions

src/verilog.y

@@ -2115,6 +2115,7 @@ system_f_call<nodep>:		// IEEE: system_tf_call (as func)
 	|	yaD_DPI '(' exprList ')'		{ $$ = new AstFuncRef($2,*$1,$3); }
 	//
 	|	yD_BITS '(' expr ')'			{ $$ = new AstAttrOf($1,AstAttrType::EXPR_BITS,$3); }
+	|	yD_BITS '(' data_type ')'		{ $$ = new AstAttrOf($1,AstAttrType::EXPR_BITS,$3); }
 	|	yD_C '(' cStrList ')'			{ $$ = (v3Global.opt.ignc() ? NULL : new AstUCFunc($1,$3)); }
 	|	yD_CLOG2 '(' expr ')'			{ $$ = new AstCLog2($1,$3); }
 	|	yD_COUNTONES '(' expr ')'		{ $$ = new AstCountOnes($1,$3); }

test_regress/t/t_enum.v

@@ -48,6 +48,7 @@ module t (/*AUTOARG*/);
       if (three != 3'b111) $stop;
 
       if ($bits(sized_based_on_enum) != 8) $stop;
+      if ($bits(three_t) != 3) $stop;
 
       $write("*-* All Finished *-*\n");
       $finish;