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Add $specrule cells for $setup/$hold/$skew specify rules

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-04-23 15:46:40 +02:00
parent 634482380c
commit 71c38d9de5
9 changed files with 133 additions and 6 deletions
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11
frontends/verilog/verilog_lexer.l
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@ -301,6 +301,12 @@ supply1 { return TOK_SUPPLY1; }
return TOK_ID;
}
"$"(setup|hold|skew) {
if (!specify_mode) REJECT;
frontend_verilog_yylval.string = new std::string(yytext);
return TOK_ID;
}
"$signed" { return TOK_TO_SIGNED; }
"$unsigned" { return TOK_TO_UNSIGNED; }
@ -417,6 +423,11 @@ import[ \t\r\n]+\"(DPI|DPI-C)\"[ \t\r\n]+function[ \t\r\n]+ {
return TOK_SPECIFY_OPER;
}
"&&&" {
if (!specify_mode) REJECT;
return TOK_SPECIFY_AND;
}
"/*" { BEGIN(COMMENT); }
<COMMENT>. /* ignore comment body */
<COMMENT>\n /* ignore comment body */