diff options
| -rw-r--r-- | include/llvm/Support/CommandLine.h | 33 | ||||
| -rw-r--r-- | lib/Support/CommandLine.cpp | 22 |
2 files changed, 54 insertions, 1 deletions
diff --git a/include/llvm/Support/CommandLine.h b/include/llvm/Support/CommandLine.h index e7f5a02b77..9b218dab03 100644 --- a/include/llvm/Support/CommandLine.h +++ b/include/llvm/Support/CommandLine.h @@ -302,6 +302,12 @@ struct LocationClass { template<class Ty> LocationClass<Ty> location(Ty &L) { return LocationClass<Ty>(L); } +// opposite_of - Allow the user to specify which other option this +// option is the opposite of. +// +template<class Ty> +LocationClass<bool> opposite_of(Ty &O) { return location(O.getValue()); } + //===----------------------------------------------------------------------===// // Enum valued command line option @@ -577,6 +583,30 @@ public: EXTERN_TEMPLATE_INSTANTIATION(class basic_parser<boolOrDefault>); //-------------------------------------------------- +// parser<boolInverse> +class boolInverse { }; +template<> +class parser<boolInverse> : public basic_parser<bool> { +public: + typedef bool parser_data_type; + // parse - Return true on error. + bool parse(Option &O, const char *ArgName, const std::string &Arg, + bool &Val); + + enum ValueExpected getValueExpectedFlagDefault() const { + return ValueOptional; + } + + // getValueName - Do not print =<value> at all. + virtual const char *getValueName() const { return 0; } + + // An out-of-line virtual method to provide a 'home' for this class. + virtual void anchor(); +}; + +EXTERN_TEMPLATE_INSTANTIATION(class basic_parser<bool>); + +//-------------------------------------------------- // parser<int> // template<> @@ -917,6 +947,9 @@ EXTERN_TEMPLATE_INSTANTIATION(class opt<int>); EXTERN_TEMPLATE_INSTANTIATION(class opt<std::string>); EXTERN_TEMPLATE_INSTANTIATION(class opt<bool>); +class boolInverse; +typedef opt<bool, true, parser<boolInverse> > inverse_opt; + //===----------------------------------------------------------------------===// // list_storage class diff --git a/lib/Support/CommandLine.cpp b/lib/Support/CommandLine.cpp index 2414734869..e06f324c87 100644 --- a/lib/Support/CommandLine.cpp +++ b/lib/Support/CommandLine.cpp @@ -40,6 +40,7 @@ using namespace cl; // TEMPLATE_INSTANTIATION(class basic_parser<bool>); TEMPLATE_INSTANTIATION(class basic_parser<boolOrDefault>); +TEMPLATE_INSTANTIATION(class basic_parser<boolInverse>); TEMPLATE_INSTANTIATION(class basic_parser<int>); TEMPLATE_INSTANTIATION(class basic_parser<unsigned>); TEMPLATE_INSTANTIATION(class basic_parser<double>); @@ -55,6 +56,7 @@ void Option::anchor() {} void basic_parser_impl::anchor() {} void parser<bool>::anchor() {} void parser<boolOrDefault>::anchor() {} +void parser<boolInverse>::anchor() {} void parser<int>::anchor() {} void parser<unsigned>::anchor() {} void parser<double>::anchor() {} @@ -882,7 +884,8 @@ bool parser<boolOrDefault>::parse(Option &O, const char *ArgName, if (Arg == "" || Arg == "true" || Arg == "TRUE" || Arg == "True" || Arg == "1") { Value = BOU_TRUE; - } else if (Arg == "false" || Arg == "FALSE" || Arg == "False" || Arg == "0") { + } else if (Arg == "false" || Arg == "FALSE" + || Arg == "False" || Arg == "0") { Value = BOU_FALSE; } else { return O.error(": '" + Arg + @@ -891,6 +894,23 @@ bool parser<boolOrDefault>::parse(Option &O, const char *ArgName, return false; } +// parser<boolInverse> implementation +// +bool parser<boolInverse>::parse(Option &O, const char *ArgName, + const std::string &Arg, bool &Value) { + if (Arg == "" || Arg == "true" || Arg == "TRUE" || Arg == "True" || + Arg == "1") { + Value = false; + } else if (Arg == "false" || Arg == "FALSE" + || Arg == "False" || Arg == "0") { + Value = true; + } else { + return O.error(": '" + Arg + + "' is invalid value for boolean argument! Try 0 or 1"); + } + return false; +} + // parser<int> implementation // bool parser<int>::parse(Option &O, const char *ArgName, |