qbs proj

import qbs.TextFile

Project {
    Product {
        name: "gen1"
        type: ["cpp","cpp-gen"]
        Depends { name: "cpp" }
        Rule {
            multiplex: true
            Artifact {
                fileTags: ["cpp","cpp-gen"]
                filePath: "gen1.cpp"
            }
            prepare: {
                //Dbg.xlog(arguments,"arguments",1);
                var cmd = new JavaScriptCommand();
                cmd.dst = output.filePath;
                cmd.txt = "#include <iostream>\n struct Gen1 { Gen1() { std::cout << \"Gen1 ctor\" << std::endl; } } gen1;\n";
                cmd.description = 'generate ' + cmd.dst
                cmd.sourceCode = function(){
                    var file = new TextFile( dst, TextFile.WriteOnly );
                    file.write( txt );
                    file.close();
                };
                return [cmd];
            }
        }
        Export {
            Group {
                fileTagsFilter: ["cpp-gen","cpp"]
                //filesAreTargets: true;
            }
        }
    }

    CppApplication {
        name: "a"
        consoleApplication: true
        Depends { name: "gen1" }

        Rule {
            multiplex: true
            Artifact {
                fileTags: ["cpp"]
                filePath: "a.cpp"
            }
            prepare: {
                var cmd = new JavaScriptCommand();
                cmd.dst = output.filePath;
                cmd.txt = "#include <iostream>\n int main() { std::cout << \"main() called\" << std::endl; }\n";
                cmd.description = 'generate ' + cmd.dst
                cmd.sourceCode = function(){
                    var file = new TextFile( dst, TextFile.WriteOnly );
                    file.write( txt );
                    file.close();
                };
                return [cmd];
            }
        }
    }
}