Commit ab615675 authored by jan.koester's avatar jan.koester
Browse files

more features

parent fd108a12

parser.cpp

+20 −0
Changes for parser.cpp: 20 added lines, 0 removed lines.
Original line number Diff line number Diff line
@@ -1056,6 +1056,26 @@ std::string Parser::expand_with_automatic(const std::string& input, const Makefi 
        auto_vars["*F"] = sp.filename().string();

    }



    // 'F'/'D' modifiers for the list automatic variables '$^' and '$?'

    // (e.g. '$(^F)' is the notdir of every prerequisite). GNU make applies

    // notdir/dir word-by-word.

    auto list_modifier = [](const std::vector<std::string>& words, bool dir) {

        std::string out;

        for (size_t i = 0; i < words.size(); i++) {

            if (i > 0) out += ' ';

            fs::path p(words[i]);

            if (dir)

                out += p.parent_path().empty() ? "." : p.parent_path().string();

            else

                out += p.filename().string();

        }

        return out;

    };

    auto_vars["^F"] = list_modifier(all_prereqs, false);

    auto_vars["^D"] = list_modifier(all_prereqs, true);

    auto_vars["?F"] = list_modifier(newer_prereqs, false);

    auto_vars["?D"] = list_modifier(newer_prereqs, true);



    return do_expand(input, mf, &auto_vars);

}