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verilog: add support for more delays than just rise/fall

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This commit is contained in:
Eddie Hung 2020-02-19 11:09:37 -08:00
parent 1d401a7991
commit ea4bd161b6
1 changed files with 40 additions and 1 deletions
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41
frontends/verilog/verilog_parser.y
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@ -995,7 +995,46 @@ specify_rise_fall:
$$->fall = *$4;
delete $2;
delete $4;
};
} |
'(' specify_triple ',' specify_triple ',' specify_triple ')' {
$$ = new specify_rise_fall;
$$->rise = *$2;
$$->fall = *$4;
delete $2;
delete $4;
delete $6;
log_file_warning(current_filename, get_line_num(), "Path delay expressions beyond rise/fall not currently supported. Ignoring.\n");
} |
'(' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ')' {
$$ = new specify_rise_fall;
$$->rise = *$2;
$$->fall = *$4;
delete $2;
delete $4;
delete $6;
delete $8;
delete $10;
delete $12;
log_file_warning(current_filename, get_line_num(), "Path delay expressions beyond rise/fall not currently supported. Ignoring.\n");
} |
'(' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ')' {
$$ = new specify_rise_fall;
$$->rise = *$2;
$$->fall = *$4;
delete $2;
delete $4;
delete $6;
delete $8;
delete $10;
delete $12;
delete $14;
delete $16;
delete $18;
delete $20;
delete $22;
delete $24;
log_file_warning(current_filename, get_line_num(), "Path delay expressions beyond rise/fall not currently supported. Ignoring.\n");
}
specify_triple:
expr {