for apples-to-apples, add try/catch to time_boost functions, use syntax_option_type::optimize for dynamic xpressive

[SVN r31024]
This commit is contained in:
Eric Niebler
2005-09-18 16:31:56 +00:00
parent badb291912
commit ae36194500
3 changed files with 99 additions and 81 deletions

View File

@ -22,11 +22,11 @@ namespace dxpr
double time_match(const std::string& re, const std::string& text, bool icase)
{
try{
boost::xpressive::sregex e;
e = (icase ?
boost::xpressive::sregex(boost::xpressive::sregex::compile(re))
: boost::xpressive::sregex(boost::xpressive::sregex::compile(re, boost::xpressive::regex_constants::icase)));
try{
boost::xpressive::regex_constants::syntax_option_type flags = boost::xpressive::regex_constants::optimize;
if(icase)
flags = flags | boost::xpressive::regex_constants::icase;
boost::xpressive::sregex e(boost::xpressive::sregex::compile(re, flags));
boost::xpressive::smatch what;
boost::timer tim;
int iter = 1;
@ -75,11 +75,11 @@ struct noop
double time_find_all(const std::string& re, const std::string& text, bool icase)
{
try{
boost::xpressive::sregex e;
e = (icase ?
boost::xpressive::sregex(boost::xpressive::sregex::compile(re))
: boost::xpressive::sregex(boost::xpressive::sregex::compile(re, boost::xpressive::regex_constants::icase)));
try{
boost::xpressive::regex_constants::syntax_option_type flags = boost::xpressive::regex_constants::optimize;
if(icase)
flags = flags | boost::xpressive::regex_constants::icase;
boost::xpressive::sregex e(boost::xpressive::sregex::compile(re, flags));
boost::xpressive::smatch what;
boost::timer tim;
int iter = 1;
@ -115,12 +115,12 @@ double time_find_all(const std::string& re, const std::string& text, bool icase)
result = (std::min)(run, result);
}
return result / iter;
}
catch(const std::exception& e)
{
std::cout << "Exception: " << e.what() << std::endl;
return -1;
}
}
catch(const std::exception& e)
{
std::cout << "Exception: " << e.what() << std::endl;
return -1;
}
}
}