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The SDF timing spec list can have zero or more elements. 

The SDF file format supports zero or more timing specs. Previously
the parser was one or more. Things like tie high/low cells do not
have any delay information so zero or more is needed and matches
the standard.
(cherry picked from commit 68b1273d2d)
This commit is contained in:
Cary R 2010-03-30 10:51:18 -07:00 committed by Stephen Williams
parent 855daae00f
commit a0681e580f
1 changed files with 4 additions and 4 deletions
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8
vpi/sdf_parse.y
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@ -188,7 +188,7 @@ cell_list
cell
: '(' K_CELL celltype cell_instance
{ sdf_select_instance($3, $4); /* find the instance in the design */}
timing_spec_list
timing_spec_list_opt
')'
{ free($3);
if ($4) free($4);
@ -216,9 +216,9 @@ cell_instance
$$ = strdup(""); }
;
timing_spec_list
: timing_spec_list timing_spec
| timing_spec
timing_spec_list_opt
: /* Empty */
| timing_spec_list_opt timing_spec
;
timing_spec