Compiler turning a string& into a basic_string<>&

Posted by Shtong on Stack Overflow See other posts from Stack Overflow or by Shtong
Published on 2010-04-22T19:18:40Z Indexed on 2010/04/22 19:23 UTC
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Hello

I'm coming back to C++ after long years spent on other technologies and i'm stuck on some weird behavior when calling some methods taking std::string as parameters :

An example of call : LocalNodeConfiguration *LocalNodeConfiguration::ReadFromFile(std::string & path) { // ... throw configuration_file_error(string("Configuration file empty"), path); // ... }

When I compile I get this (I cropped file names for readability) :

/usr/bin/g++    -g -I/home/shtong/Dev/OmegaNoc/build -I/usr/share/include/boost-1.41.0   -o CMakeFiles/OmegaNocInternals.dir/configuration/localNodeConfiguration.cxx.o -c /home/shtong/Dev/OmegaNoc/source/configuration/localNodeConfiguration.cxx
    .../localNodeConfiguration.cxx: In static member function ‘static OmegaNoc::LocalNodeConfiguration* OmegaNoc::LocalNodeConfiguration::ReadFromFile(std::string&)’:
    .../localNodeConfiguration.cxx:72: error: no matching function for call to ‘OmegaNoc::configuration_file_error::configuration_file_error(std::string, std::basic_string<char, std::char_traits<char>, std::allocator<char> >&)’
    .../configurationManager.hxx:25: note: candidates are: OmegaNoc::configuration_file_error::configuration_file_error(std::string&, std::string&)
    .../configurationManager.hxx:22: note:                 OmegaNoc::configuration_file_error::configuration_file_error(const OmegaNoc::configuration_file_error&)

So as I understand it, the compiler is considering that my path parameter turned into a basic_string at some point, thus not finding the constructor overload I want to use. But I don't really get why this transformation happened.

Some search on the net suggested me to use g++ but I was already using it. So any other advice would be appreciated :)

Thanks

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