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SystemVerilog randomize method syntax.

This commit is contained in:
Stephen Williams 2012-03-10 10:27:02 -08:00
parent dbc6f0cff2
commit b80afdf1f1
1 changed files with 17 additions and 0 deletions
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17
parse.y
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@ -5757,6 +5757,23 @@ statement /* This is roughly statement_item in the LRM */
$$ = tmp; $$ = tmp;
} }
| hierarchy_identifier K_with '{' constraint_block_item_list_opt '}' ';'
{ /* ....randomize with { <constraints> } */
if ($1 && peek_tail_name(*$1) == "randomize") {
if (!gn_system_verilog())
yyerror(@2, "error: Randomize with constraint requires SystemVerilog.");
else
yyerror(@2, "sorry: Randomize with constraint not supported.");
} else {
yyerror(@2, "error: Constraint block can only be applied to randomize method.");
}
list<PExpr*>pt;
PCallTask*tmp = new PCallTask(*$1, pt);
FILE_NAME(tmp, @1);
delete $1;
$$ = tmp;
}
| implicit_class_handle '.' hierarchy_identifier '(' expression_list_with_nuls ')' ';' | implicit_class_handle '.' hierarchy_identifier '(' expression_list_with_nuls ')' ';'
{ PCallTask*tmp = new PCallTask(*$3, *$5); { PCallTask*tmp = new PCallTask(*$3, *$5);
yyerror(@1, "sorry: Implicit class handle not supported in front of task names."); yyerror(@1, "sorry: Implicit class handle not supported in front of task names.");