[cfe-dev] Help with Command-Line Validation

[Uri Mann via cfe-dev]

I'm updating from CLANG 3.5.0 to 3.7.0. In the 3.5.0 version I have a std::string option with validation.
struct ProjectParser : public llvm::cl::parser<std::string> {
    bool parse(llvm::cl::Option& option,
                          llvm::StringRef argName,
                          const std::string& argValue,
                          std::string& project);
};

llvm::cl::opt<std::string, false, ProjectParser> Project;

This no longer compiles since the llvm::cl::parser<std::string> template was specialized and made 'final'. The docs don't address this issue.

Any help will be appreciated. Thanks in advance.
-Uri

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