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Add /s modifier to parser for patterns

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This commit is contained in:
Tim Wojtulewicz 2022-07-12 16:22:29 -07:00
parent 14e48733ac
commit 36e31e28ac
2 changed files with 30 additions and 5 deletions
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21
src/scan.l
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@ -562,13 +562,28 @@ F RET_CONST(zeek::val_mgr->False()->Ref())
<RE>"/" {
BEGIN(INITIAL);
yylval.b = false;
yylval.re_modes.ignore_case = false;
yylval.re_modes.single_line = false;
return TOK_PATTERN_END;
}
<RE>"/i" {
<RE>(\/[is]{0,2}) {
BEGIN(INITIAL);
yylval.b = true;
if (strlen(yytext) == 2)
{
yylval.re_modes.ignore_case = (yytext[1] == 'i');
yylval.re_modes.single_line = (yytext[1] == 's');
}
else
{
if ( yytext[1] == yytext[2] )
zeek::reporter->Error("pattern has duplicate mode %c", yytext[1]);
yylval.re_modes.ignore_case = (yytext[1] == 'i' || yytext[2] == 'i');
yylval.re_modes.single_line = (yytext[1] == 's' || yytext[2] == 's');
}
return TOK_PATTERN_END;
}