X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FSupport%2FCommandLine.cpp;h=2c56e0ffb87eb0fc5e12c06d1f924466a06fd56d;hb=2ec0dbf9616e91952c90ad1c7f7404d9d1ee053c;hp=57620b50d6c6f8a3a8e81c194616a414a923e53c;hpb=232885873fb0081acc1420ab83b14ab6f8eba280;p=oota-llvm.git diff --git a/lib/Support/CommandLine.cpp b/lib/Support/CommandLine.cpp index 57620b50d6c..2c56e0ffb87 100644 --- a/lib/Support/CommandLine.cpp +++ b/lib/Support/CommandLine.cpp @@ -2,8 +2,8 @@ // // The LLVM Compiler Infrastructure // -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // @@ -17,16 +17,21 @@ //===----------------------------------------------------------------------===// #include "llvm/Config/config.h" +#include "llvm/ADT/OwningPtr.h" #include "llvm/Support/CommandLine.h" +#include "llvm/Support/MemoryBuffer.h" +#include "llvm/Support/ManagedStatic.h" +#include "llvm/Support/Streams.h" #include "llvm/System/Path.h" #include #include #include +#include #include -#include #include #include #include +#include using namespace llvm; using namespace cl; @@ -34,6 +39,7 @@ using namespace cl; // Template instantiations and anchors. // TEMPLATE_INSTANTIATION(class basic_parser); +TEMPLATE_INSTANTIATION(class basic_parser); TEMPLATE_INSTANTIATION(class basic_parser); TEMPLATE_INSTANTIATION(class basic_parser); TEMPLATE_INSTANTIATION(class basic_parser); @@ -48,6 +54,7 @@ TEMPLATE_INSTANTIATION(class opt); void Option::anchor() {} void basic_parser_impl::anchor() {} void parser::anchor() {} +void parser::anchor() {} void parser::anchor() {} void parser::anchor() {} void parser::anchor() {} @@ -56,71 +63,118 @@ void parser::anchor() {} //===----------------------------------------------------------------------===// -// Globals for name and overview of program -static std::string ProgramName = ""; +// Globals for name and overview of program. Program name is not a string to +// avoid static ctor/dtor issues. +static char ProgramName[80] = ""; static const char *ProgramOverview = 0; // This collects additional help to be printed. -static std::vector &MoreHelp() { - static std::vector moreHelp; - return moreHelp; -} +static ManagedStatic > MoreHelp; -extrahelp::extrahelp(const char* Help) +extrahelp::extrahelp(const char *Help) : morehelp(Help) { - MoreHelp().push_back(Help); + MoreHelp->push_back(Help); } -//===----------------------------------------------------------------------===// -// Basic, shared command line option processing machinery. -// +static bool OptionListChanged = false; -// Return the global command line option vector. Making it a function scoped -// static ensures that it will be initialized correctly before its first use. -// -static std::map &getOpts() { - static std::map CommandLineOptions; - return CommandLineOptions; +// MarkOptionsChanged - Internal helper function. +void cl::MarkOptionsChanged() { + OptionListChanged = true; } -static Option *getOption(const std::string &Str) { - std::map::iterator I = getOpts().find(Str); - return I != getOpts().end() ? I->second : 0; -} +/// RegisteredOptionList - This is the list of the command line options that +/// have statically constructed themselves. +static Option *RegisteredOptionList = 0; -static std::vector &getPositionalOpts() { - static std::vector Positional; - return Positional; +void Option::addArgument() { + assert(NextRegistered == 0 && "argument multiply registered!"); + + NextRegistered = RegisteredOptionList; + RegisteredOptionList = this; + MarkOptionsChanged(); } -static void AddArgument(const char *ArgName, Option *Opt) { - if (getOption(ArgName)) { - std::cerr << ProgramName << ": CommandLine Error: Argument '" - << ArgName << "' defined more than once!\n"; - } else { - // Add argument to the argument map! - getOpts()[ArgName] = Opt; + +//===----------------------------------------------------------------------===// +// Basic, shared command line option processing machinery. +// + +/// GetOptionInfo - Scan the list of registered options, turning them into data +/// structures that are easier to handle. +static void GetOptionInfo(std::vector &PositionalOpts, + std::vector &SinkOpts, + std::map &OptionsMap) { + std::vector OptionNames; + Option *CAOpt = 0; // The ConsumeAfter option if it exists. + for (Option *O = RegisteredOptionList; O; O = O->getNextRegisteredOption()) { + // If this option wants to handle multiple option names, get the full set. + // This handles enum options like "-O1 -O2" etc. + O->getExtraOptionNames(OptionNames); + if (O->ArgStr[0]) + OptionNames.push_back(O->ArgStr); + + // Handle named options. + for (size_t i = 0, e = OptionNames.size(); i != e; ++i) { + // Add argument to the argument map! + if (!OptionsMap.insert(std::pair(OptionNames[i], + O)).second) { + cerr << ProgramName << ": CommandLine Error: Argument '" + << OptionNames[i] << "' defined more than once!\n"; + } + } + + OptionNames.clear(); + + // Remember information about positional options. + if (O->getFormattingFlag() == cl::Positional) + PositionalOpts.push_back(O); + else if (O->getMiscFlags() & cl::Sink) // Remember sink options + SinkOpts.push_back(O); + else if (O->getNumOccurrencesFlag() == cl::ConsumeAfter) { + if (CAOpt) + O->error("Cannot specify more than one option with cl::ConsumeAfter!"); + CAOpt = O; + } } + + if (CAOpt) + PositionalOpts.push_back(CAOpt); + + // Make sure that they are in order of registration not backwards. + std::reverse(PositionalOpts.begin(), PositionalOpts.end()); } -// RemoveArgument - It's possible that the argument is no longer in the map if -// options have already been processed and the map has been deleted! -// -static void RemoveArgument(const char *ArgName, Option *Opt) { - if(getOpts().empty()) return; -#ifndef NDEBUG - // This disgusting HACK is brought to you courtesy of GCC 3.3.2, which ICE's - // If we pass ArgName directly into getOption here. - std::string Tmp = ArgName; - assert(getOption(Tmp) == Opt && "Arg not in map!"); -#endif - getOpts().erase(ArgName); +/// LookupOption - Lookup the option specified by the specified option on the +/// command line. If there is a value specified (after an equal sign) return +/// that as well. +static Option *LookupOption(const char *&Arg, const char *&Value, + std::map &OptionsMap) { + while (*Arg == '-') ++Arg; // Eat leading dashes + + const char *ArgEnd = Arg; + while (*ArgEnd && *ArgEnd != '=') + ++ArgEnd; // Scan till end of argument name. + + if (*ArgEnd == '=') // If we have an equals sign... + Value = ArgEnd+1; // Get the value, not the equals + + + if (*Arg == 0) return 0; + + // Look up the option. + std::map::iterator I = + OptionsMap.find(std::string(Arg, ArgEnd)); + return I != OptionsMap.end() ? I->second : 0; } static inline bool ProvideOption(Option *Handler, const char *ArgName, const char *Value, int argc, char **argv, int &i) { + // Is this a multi-argument option? + unsigned NumAdditionalVals = Handler->getNumAdditionalVals(); + // Enforce value requirements switch (Handler->getValueExpectedFlag()) { case ValueRequired: @@ -133,6 +187,10 @@ static inline bool ProvideOption(Option *Handler, const char *ArgName, } break; case ValueDisallowed: + if (NumAdditionalVals > 0) + return Handler->error(": multi-valued option specified" + " with ValueDisallowed modifier!"); + if (Value) return Handler->error(" does not allow a value! '" + std::string(Value) + "' specified."); @@ -140,15 +198,42 @@ static inline bool ProvideOption(Option *Handler, const char *ArgName, case ValueOptional: break; default: - std::cerr << ProgramName - << ": Bad ValueMask flag! CommandLine usage error:" - << Handler->getValueExpectedFlag() << "\n"; + cerr << ProgramName + << ": Bad ValueMask flag! CommandLine usage error:" + << Handler->getValueExpectedFlag() << "\n"; abort(); break; } - // Run the handler now! - return Handler->addOccurrence(i, ArgName, Value ? Value : ""); + // If this isn't a multi-arg option, just run the handler. + if (NumAdditionalVals == 0) { + return Handler->addOccurrence(i, ArgName, Value ? Value : ""); + } + // If it is, run the handle several times. + else { + bool MultiArg = false; + + if (Value) { + if (Handler->addOccurrence(i, ArgName, Value, MultiArg)) + return true; + --NumAdditionalVals; + MultiArg = true; + } + + while (NumAdditionalVals > 0) { + + if (i+1 < argc) { + Value = argv[++i]; + } else { + return Handler->error(": not enough values!"); + } + if (Handler->addOccurrence(i, ArgName, Value, MultiArg)) + return true; + MultiArg = true; + --NumAdditionalVals; + } + return false; + } } static bool ProvidePositionalOption(Option *Handler, const std::string &Arg, @@ -172,28 +257,29 @@ static inline bool isPrefixedOrGrouping(const Option *O) { // see if there options that satisfy the predicate. If we find one, return it, // otherwise return null. // -static Option *getOptionPred(std::string Name, unsigned &Length, - bool (*Pred)(const Option*)) { +static Option *getOptionPred(std::string Name, size_t &Length, + bool (*Pred)(const Option*), + std::map &OptionsMap) { - Option *Op = getOption(Name); - if (Op && Pred(Op)) { + std::map::iterator OMI = OptionsMap.find(Name); + if (OMI != OptionsMap.end() && Pred(OMI->second)) { Length = Name.length(); - return Op; + return OMI->second; } if (Name.size() == 1) return 0; do { Name.erase(Name.end()-1, Name.end()); // Chop off the last character... - Op = getOption(Name); + OMI = OptionsMap.find(Name); // Loop while we haven't found an option and Name still has at least two // characters in it (so that the next iteration will not be the empty // string... - } while ((Op == 0 || !Pred(Op)) && Name.size() > 1); + } while ((OMI == OptionsMap.end() || !Pred(OMI->second)) && Name.size() > 1); - if (Op && Pred(Op)) { + if (OMI != OptionsMap.end() && Pred(OMI->second)) { Length = Name.length(); - return Op; // Found one! + return OMI->second; // Found one! } return 0; // No option found! } @@ -217,7 +303,7 @@ static bool EatsUnboundedNumberOfValues(const Option *O) { static void ParseCStringVector(std::vector &output, const char *input) { // Characters which will be treated as token separators: - static const char *delims = " \v\f\t\r\n"; + static const char *const delims = " \v\f\t\r\n"; std::string work (input); // Skip past any delims at head of input string. @@ -259,7 +345,7 @@ static void ParseCStringVector(std::vector &output, /// an environment variable (whose name is given in ENVVAR). /// void cl::ParseEnvironmentOptions(const char *progName, const char *envVar, - const char *Overview) { + const char *Overview, bool ReadResponseFiles) { // Check args. assert(progName && "Program name not specified"); assert(envVar && "Environment variable name missing"); @@ -277,8 +363,8 @@ void cl::ParseEnvironmentOptions(const char *progName, const char *envVar, // Parse the value of the environment variable into a "command line" // and hand it off to ParseCommandLineOptions(). ParseCStringVector(newArgv, envValue); - int newArgc = newArgv.size(); - ParseCommandLineOptions(newArgc, &newArgv[0], Overview); + int newArgc = static_cast(newArgv.size()); + ParseCommandLineOptions(newArgc, &newArgv[0], Overview, ReadResponseFiles); // Free all the strdup()ed strings. for (std::vector::iterator i = newArgv.begin(), e = newArgv.end(); @@ -286,48 +372,80 @@ void cl::ParseEnvironmentOptions(const char *progName, const char *envVar, free (*i); } -/// LookupOption - Lookup the option specified by the specified option on the -/// command line. If there is a value specified (after an equal sign) return -/// that as well. -static Option *LookupOption(const char *&Arg, const char *&Value) { - while (*Arg == '-') ++Arg; // Eat leading dashes - const char *ArgEnd = Arg; - while (*ArgEnd && *ArgEnd != '=') - ++ArgEnd; // Scan till end of argument name. +/// ExpandResponseFiles - Copy the contents of argv into newArgv, +/// substituting the contents of the response files for the arguments +/// of type @file. +static void ExpandResponseFiles(int argc, char** argv, + std::vector& newArgv) { + for (int i = 1; i != argc; ++i) { + char* arg = argv[i]; - if (*ArgEnd == '=') // If we have an equals sign... - Value = ArgEnd+1; // Get the value, not the equals + if (arg[0] == '@') { + sys::PathWithStatus respFile(++arg); - if (*Arg == 0) return 0; + // Check that the response file is not empty (mmap'ing empty + // files can be problematic). + const sys::FileStatus *FileStat = respFile.getFileStatus(); + if (FileStat && FileStat->getSize() != 0) { - // Look up the option. - std::map &Opts = getOpts(); - std::map::iterator I = - Opts.find(std::string(Arg, ArgEnd)); - return (I != Opts.end()) ? I->second : 0; + // Mmap the response file into memory. + OwningPtr + respFilePtr(MemoryBuffer::getFile(respFile.c_str())); + + // If we could open the file, parse its contents, otherwise + // pass the @file option verbatim. + + // TODO: we should also support recursive loading of response files, + // since this is how gcc behaves. (From their man page: "The file may + // itself contain additional @file options; any such options will be + // processed recursively.") + + if (respFilePtr != 0) { + ParseCStringVector(newArgv, respFilePtr->getBufferStart()); + continue; + } + } + } + newArgv.push_back(strdup(arg)); + } } -void cl::ParseCommandLineOptions(int &argc, char **argv, - const char *Overview) { - assert((!getOpts().empty() || !getPositionalOpts().empty()) && - "No options specified, or ParseCommandLineOptions called more" - " than once!"); - sys::Path progname(argv[0]); - ProgramName = sys::Path(argv[0]).getLast(); +void cl::ParseCommandLineOptions(int argc, char **argv, + const char *Overview, bool ReadResponseFiles) { + // Process all registered options. + std::vector PositionalOpts; + std::vector SinkOpts; + std::map Opts; + GetOptionInfo(PositionalOpts, SinkOpts, Opts); + + assert((!Opts.empty() || !PositionalOpts.empty()) && + "No options specified!"); + + // Expand response files. + std::vector newArgv; + if (ReadResponseFiles) { + newArgv.push_back(strdup(argv[0])); + ExpandResponseFiles(argc, argv, newArgv); + argv = &newArgv[0]; + argc = static_cast(newArgv.size()); + } + + // Copy the program name into ProgName, making sure not to overflow it. + std::string ProgName = sys::Path(argv[0]).getLast(); + if (ProgName.size() > 79) ProgName.resize(79); + strcpy(ProgramName, ProgName.c_str()); + ProgramOverview = Overview; bool ErrorParsing = false; - std::map &Opts = getOpts(); - std::vector &PositionalOpts = getPositionalOpts(); - // Check out the positional arguments to collect information about them. unsigned NumPositionalRequired = 0; - + // Determine whether or not there are an unlimited number of positionals bool HasUnlimitedPositionals = false; - + Option *ConsumeAfterOpt = 0; if (!PositionalOpts.empty()) { if (PositionalOpts[0]->getNumOccurrencesFlag() == cl::ConsumeAfter) { @@ -338,7 +456,7 @@ void cl::ParseCommandLineOptions(int &argc, char **argv, // Calculate how many positional values are _required_. bool UnboundedFound = false; - for (unsigned i = ConsumeAfterOpt != 0, e = PositionalOpts.size(); + for (size_t i = ConsumeAfterOpt != 0, e = PositionalOpts.size(); i != e; ++i) { Option *Opt = PositionalOpts[i]; if (RequiresValue(Opt)) @@ -383,6 +501,17 @@ void cl::ParseCommandLineOptions(int &argc, char **argv, const char *Value = 0; const char *ArgName = ""; + // If the option list changed, this means that some command line + // option has just been registered or deregistered. This can occur in + // response to things like -load, etc. If this happens, rescan the options. + if (OptionListChanged) { + PositionalOpts.clear(); + SinkOpts.clear(); + Opts.clear(); + GetOptionInfo(PositionalOpts, SinkOpts, Opts); + OptionListChanged = false; + } + // Check to see if this is a positional argument. This argument is // considered to be positional if it doesn't start with '-', if it is "-" // itself, or if we have seen "--" already. @@ -418,7 +547,7 @@ void cl::ParseCommandLineOptions(int &argc, char **argv, // option is another positional argument. If so, treat it as an argument, // otherwise feed it to the eating positional. ArgName = argv[i]+1; - Handler = LookupOption(ArgName, Value); + Handler = LookupOption(ArgName, Value, Opts); if (!Handler || Handler->getFormattingFlag() != cl::Positional) { ProvidePositionalOption(ActivePositionalArg, argv[i], i); continue; // We are done! @@ -426,14 +555,15 @@ void cl::ParseCommandLineOptions(int &argc, char **argv, } else { // We start with a '-', must be an argument... ArgName = argv[i]+1; - Handler = LookupOption(ArgName, Value); + Handler = LookupOption(ArgName, Value, Opts); // Check to see if this "option" is really a prefixed or grouped argument. if (Handler == 0) { std::string RealName(ArgName); if (RealName.size() > 1) { - unsigned Length = 0; - Option *PGOpt = getOptionPred(RealName, Length, isPrefixedOrGrouping); + size_t Length = 0; + Option *PGOpt = getOptionPred(RealName, Length, isPrefixedOrGrouping, + Opts); // If the option is a prefixed option, then the value is simply the // rest of the name... so fall through to later processing, by @@ -464,7 +594,7 @@ void cl::ParseCommandLineOptions(int &argc, char **argv, 0, 0, 0, Dummy); // Get the next grouping option... - PGOpt = getOptionPred(RealName, Length, isGrouping); + PGOpt = getOptionPred(RealName, Length, isGrouping, Opts); } while (PGOpt && Length != RealName.size()); Handler = PGOpt; // Ate all of the options. @@ -474,9 +604,15 @@ void cl::ParseCommandLineOptions(int &argc, char **argv, } if (Handler == 0) { - std::cerr << ProgramName << ": Unknown command line argument '" - << argv[i] << "'. Try: '" << argv[0] << " --help'\n"; - ErrorParsing = true; + if (SinkOpts.empty()) { + cerr << ProgramName << ": Unknown command line argument '" + << argv[i] << "'. Try: '" << argv[0] << " --help'\n"; + ErrorParsing = true; + } else { + for (std::vector::iterator I = SinkOpts.begin(), + E = SinkOpts.end(); I != E ; ++I) + (*I)->addOccurrence(i, "", argv[i]); + } continue; } @@ -511,24 +647,24 @@ void cl::ParseCommandLineOptions(int &argc, char **argv, // Check and handle positional arguments now... if (NumPositionalRequired > PositionalVals.size()) { - std::cerr << ProgramName - << ": Not enough positional command line arguments specified!\n" - << "Must specify at least " << NumPositionalRequired - << " positional arguments: See: " << argv[0] << " --help\n"; - + cerr << ProgramName + << ": Not enough positional command line arguments specified!\n" + << "Must specify at least " << NumPositionalRequired + << " positional arguments: See: " << argv[0] << " --help\n"; + ErrorParsing = true; } else if (!HasUnlimitedPositionals && PositionalVals.size() > PositionalOpts.size()) { - std::cerr << ProgramName - << ": Too many positional arguments specified!\n" - << "Can specify at most " << PositionalOpts.size() - << " positional arguments: See: " << argv[0] << " --help\n"; + cerr << ProgramName + << ": Too many positional arguments specified!\n" + << "Can specify at most " << PositionalOpts.size() + << " positional arguments: See: " << argv[0] << " --help\n"; ErrorParsing = true; } else if (ConsumeAfterOpt == 0) { // Positional args have already been handled if ConsumeAfter is specified... - unsigned ValNo = 0, NumVals = PositionalVals.size(); - for (unsigned i = 0, e = PositionalOpts.size(); i != e; ++i) { + unsigned ValNo = 0, NumVals = static_cast(PositionalVals.size()); + for (size_t i = 0, e = PositionalOpts.size(); i != e; ++i) { if (RequiresValue(PositionalOpts[i])) { ProvidePositionalOption(PositionalOpts[i], PositionalVals[ValNo].first, PositionalVals[ValNo].second); @@ -562,7 +698,7 @@ void cl::ParseCommandLineOptions(int &argc, char **argv, } else { assert(ConsumeAfterOpt && NumPositionalRequired <= PositionalVals.size()); unsigned ValNo = 0; - for (unsigned j = 1, e = PositionalOpts.size(); j != e; ++j) + for (size_t j = 1, e = PositionalOpts.size(); j != e; ++j) if (RequiresValue(PositionalOpts[j])) { ErrorParsing |= ProvidePositionalOption(PositionalOpts[j], PositionalVals[ValNo].first, @@ -608,9 +744,17 @@ void cl::ParseCommandLineOptions(int &argc, char **argv, // Free all of the memory allocated to the map. Command line options may only // be processed once! - getOpts().clear(); + Opts.clear(); PositionalOpts.clear(); - MoreHelp().clear(); + MoreHelp->clear(); + + // Free the memory allocated by ExpandResponseFiles. + if (ReadResponseFiles) { + // Free all the strdup()ed strings. + for (std::vector::iterator i = newArgv.begin(), e = newArgv.end(); + i != e; ++i) + free (*i); + } // If we had an error processing our arguments, don't let the program execute if (ErrorParsing) exit(1); @@ -623,17 +767,19 @@ void cl::ParseCommandLineOptions(int &argc, char **argv, bool Option::error(std::string Message, const char *ArgName) { if (ArgName == 0) ArgName = ArgStr; if (ArgName[0] == 0) - std::cerr << HelpStr; // Be nice for positional arguments + cerr << HelpStr; // Be nice for positional arguments else - std::cerr << ProgramName << ": for the -" << ArgName; - - std::cerr << " option: " << Message << "\n"; + cerr << ProgramName << ": for the -" << ArgName; + + cerr << " option: " << Message << "\n"; return true; } bool Option::addOccurrence(unsigned pos, const char *ArgName, - const std::string &Value) { - NumOccurrences++; // Increment the number of times we have been seen + const std::string &Value, + bool MultiArg) { + if (!MultiArg) + NumOccurrences++; // Increment the number of times we have been seen switch (getNumOccurrencesFlag()) { case Optional: @@ -653,39 +799,6 @@ bool Option::addOccurrence(unsigned pos, const char *ArgName, return handleOccurrence(pos, ArgName, Value); } -// addArgument - Tell the system that this Option subclass will handle all -// occurrences of -ArgStr on the command line. -// -void Option::addArgument(const char *ArgStr) { - if (ArgStr[0]) - AddArgument(ArgStr, this); - - if (getFormattingFlag() == Positional) - getPositionalOpts().push_back(this); - else if (getNumOccurrencesFlag() == ConsumeAfter) { - if (!getPositionalOpts().empty() && - getPositionalOpts().front()->getNumOccurrencesFlag() == ConsumeAfter) - error("Cannot specify more than one option with cl::ConsumeAfter!"); - getPositionalOpts().insert(getPositionalOpts().begin(), this); - } -} - -void Option::removeArgument(const char *ArgStr) { - if (ArgStr[0]) - RemoveArgument(ArgStr, this); - - if (getFormattingFlag() == Positional) { - std::vector::iterator I = - std::find(getPositionalOpts().begin(), getPositionalOpts().end(), this); - assert(I != getPositionalOpts().end() && "Arg not registered!"); - getPositionalOpts().erase(I); - } else if (getNumOccurrencesFlag() == ConsumeAfter) { - assert(!getPositionalOpts().empty() && getPositionalOpts()[0] == this && - "Arg not registered correctly!"); - getPositionalOpts().erase(getPositionalOpts().begin()); - } -} - // getValueStr - Get the value description string, using "DefaultMsg" if nothing // has been specified yet. @@ -700,15 +813,15 @@ static const char *getValueStr(const Option &O, const char *DefaultMsg) { // // Return the width of the option tag for printing... -unsigned alias::getOptionWidth() const { +size_t alias::getOptionWidth() const { return std::strlen(ArgStr)+6; } // Print out the option for the alias. -void alias::printOptionInfo(unsigned GlobalWidth) const { - unsigned L = std::strlen(ArgStr); - std::cout << " -" << ArgStr << std::string(GlobalWidth-L-6, ' ') << " - " - << HelpStr << "\n"; +void alias::printOptionInfo(size_t GlobalWidth) const { + size_t L = std::strlen(ArgStr); + cout << " -" << ArgStr << std::string(GlobalWidth-L-6, ' ') << " - " + << HelpStr << "\n"; } @@ -721,8 +834,8 @@ void alias::printOptionInfo(unsigned GlobalWidth) const { // // Return the width of the option tag for printing... -unsigned basic_parser_impl::getOptionWidth(const Option &O) const { - unsigned Len = std::strlen(O.ArgStr); +size_t basic_parser_impl::getOptionWidth(const Option &O) const { + size_t Len = std::strlen(O.ArgStr); if (const char *ValName = getValueName()) Len += std::strlen(getValueStr(O, ValName))+3; @@ -733,14 +846,14 @@ unsigned basic_parser_impl::getOptionWidth(const Option &O) const { // to-be-maintained width is specified. // void basic_parser_impl::printOptionInfo(const Option &O, - unsigned GlobalWidth) const { - std::cout << " -" << O.ArgStr; + size_t GlobalWidth) const { + cout << " -" << O.ArgStr; if (const char *ValName = getValueName()) - std::cout << "=<" << getValueStr(O, ValName) << ">"; + cout << "=<" << getValueStr(O, ValName) << ">"; - std::cout << std::string(GlobalWidth-getOptionWidth(O), ' ') << " - " - << O.HelpStr << "\n"; + cout << std::string(GlobalWidth-getOptionWidth(O), ' ') << " - " + << O.HelpStr << "\n"; } @@ -759,6 +872,25 @@ bool parser::parse(Option &O, const char *ArgName, return O.error(": '" + Arg + "' is invalid value for boolean argument! Try 0 or 1"); } + if (IsInvertable && strncmp(ArgName+1, "no-", 3) == 0) + Value = !Value; + return false; +} + +// parser implementation +// +bool parser::parse(Option &O, const char *ArgName, + const std::string &Arg, boolOrDefault &Value) { + if (Arg == "" || Arg == "true" || Arg == "TRUE" || Arg == "True" || + Arg == "1") { + Value = BOU_TRUE; + } else if (Arg == "false" || Arg == "FALSE" + || Arg == "False" || Arg == "0") { + Value = BOU_FALSE; + } else { + return O.error(": '" + Arg + + "' is invalid value for boolean argument! Try 0 or 1"); + } return false; } @@ -835,16 +967,16 @@ unsigned generic_parser_base::findOption(const char *Name) { // Return the width of the option tag for printing... -unsigned generic_parser_base::getOptionWidth(const Option &O) const { +size_t generic_parser_base::getOptionWidth(const Option &O) const { if (O.hasArgStr()) { - unsigned Size = std::strlen(O.ArgStr)+6; + size_t Size = std::strlen(O.ArgStr)+6; for (unsigned i = 0, e = getNumOptions(); i != e; ++i) - Size = std::max(Size, (unsigned)std::strlen(getOption(i))+8); + Size = std::max(Size, std::strlen(getOption(i))+8); return Size; } else { - unsigned BaseSize = 0; + size_t BaseSize = 0; for (unsigned i = 0, e = getNumOptions(); i != e; ++i) - BaseSize = std::max(BaseSize, (unsigned)std::strlen(getOption(i))+8); + BaseSize = std::max(BaseSize, std::strlen(getOption(i))+8); return BaseSize; } } @@ -853,24 +985,24 @@ unsigned generic_parser_base::getOptionWidth(const Option &O) const { // to-be-maintained width is specified. // void generic_parser_base::printOptionInfo(const Option &O, - unsigned GlobalWidth) const { + size_t GlobalWidth) const { if (O.hasArgStr()) { - unsigned L = std::strlen(O.ArgStr); - std::cout << " -" << O.ArgStr << std::string(GlobalWidth-L-6, ' ') - << " - " << O.HelpStr << "\n"; + size_t L = std::strlen(O.ArgStr); + cout << " -" << O.ArgStr << std::string(GlobalWidth-L-6, ' ') + << " - " << O.HelpStr << "\n"; for (unsigned i = 0, e = getNumOptions(); i != e; ++i) { - unsigned NumSpaces = GlobalWidth-strlen(getOption(i))-8; - std::cout << " =" << getOption(i) << std::string(NumSpaces, ' ') - << " - " << getDescription(i) << "\n"; + size_t NumSpaces = GlobalWidth-strlen(getOption(i))-8; + cout << " =" << getOption(i) << std::string(NumSpaces, ' ') + << " - " << getDescription(i) << "\n"; } } else { if (O.HelpStr[0]) - std::cout << " " << O.HelpStr << "\n"; + cout << " " << O.HelpStr << "\n"; for (unsigned i = 0, e = getNumOptions(); i != e; ++i) { - unsigned L = std::strlen(getOption(i)); - std::cout << " -" << getOption(i) << std::string(GlobalWidth-L-8, ' ') - << " - " << getDescription(i) << "\n"; + size_t L = std::strlen(getOption(i)); + cout << " -" << getOption(i) << std::string(GlobalWidth-L-8, ' ') + << " - " << getDescription(i) << "\n"; } } } @@ -883,7 +1015,7 @@ void generic_parser_base::printOptionInfo(const Option &O, namespace { class HelpPrinter { - unsigned MaxArgLen; + size_t MaxArgLen; const Option *EmptyArg; const bool ShowHidden; @@ -896,112 +1028,122 @@ class HelpPrinter { } public: - HelpPrinter(bool showHidden) : ShowHidden(showHidden) { + explicit HelpPrinter(bool showHidden) : ShowHidden(showHidden) { EmptyArg = 0; } void operator=(bool Value) { if (Value == false) return; + // Get all the options. + std::vector PositionalOpts; + std::vector SinkOpts; + std::map OptMap; + GetOptionInfo(PositionalOpts, SinkOpts, OptMap); + // Copy Options into a vector so we can sort them as we like... - std::vector > Options; - copy(getOpts().begin(), getOpts().end(), std::back_inserter(Options)); + std::vector > Opts; + copy(OptMap.begin(), OptMap.end(), std::back_inserter(Opts)); // Eliminate Hidden or ReallyHidden arguments, depending on ShowHidden - Options.erase(std::remove_if(Options.begin(), Options.end(), - std::ptr_fun(ShowHidden ? isReallyHidden : isHidden)), - Options.end()); + Opts.erase(std::remove_if(Opts.begin(), Opts.end(), + std::ptr_fun(ShowHidden ? isReallyHidden : isHidden)), + Opts.end()); // Eliminate duplicate entries in table (from enum flags options, f.e.) { // Give OptionSet a scope std::set OptionSet; - for (unsigned i = 0; i != Options.size(); ++i) - if (OptionSet.count(Options[i].second) == 0) - OptionSet.insert(Options[i].second); // Add new entry to set + for (unsigned i = 0; i != Opts.size(); ++i) + if (OptionSet.count(Opts[i].second) == 0) + OptionSet.insert(Opts[i].second); // Add new entry to set else - Options.erase(Options.begin()+i--); // Erase duplicate + Opts.erase(Opts.begin()+i--); // Erase duplicate } if (ProgramOverview) - std::cout << "OVERVIEW:" << ProgramOverview << "\n"; + cout << "OVERVIEW: " << ProgramOverview << "\n"; - std::cout << "USAGE: " << ProgramName << " [options]"; + cout << "USAGE: " << ProgramName << " [options]"; - // Print out the positional options... - std::vector &PosOpts = getPositionalOpts(); + // Print out the positional options. Option *CAOpt = 0; // The cl::ConsumeAfter option, if it exists... - if (!PosOpts.empty() && PosOpts[0]->getNumOccurrencesFlag() == ConsumeAfter) - CAOpt = PosOpts[0]; - - for (unsigned i = CAOpt != 0, e = PosOpts.size(); i != e; ++i) { - if (PosOpts[i]->ArgStr[0]) - std::cout << " --" << PosOpts[i]->ArgStr; - std::cout << " " << PosOpts[i]->HelpStr; + if (!PositionalOpts.empty() && + PositionalOpts[0]->getNumOccurrencesFlag() == ConsumeAfter) + CAOpt = PositionalOpts[0]; + + for (size_t i = CAOpt != 0, e = PositionalOpts.size(); i != e; ++i) { + if (PositionalOpts[i]->ArgStr[0]) + cout << " --" << PositionalOpts[i]->ArgStr; + cout << " " << PositionalOpts[i]->HelpStr; } // Print the consume after option info if it exists... - if (CAOpt) std::cout << " " << CAOpt->HelpStr; + if (CAOpt) cout << " " << CAOpt->HelpStr; - std::cout << "\n\n"; + cout << "\n\n"; // Compute the maximum argument length... MaxArgLen = 0; - for (unsigned i = 0, e = Options.size(); i != e; ++i) - MaxArgLen = std::max(MaxArgLen, Options[i].second->getOptionWidth()); + for (size_t i = 0, e = Opts.size(); i != e; ++i) + MaxArgLen = std::max(MaxArgLen, Opts[i].second->getOptionWidth()); - std::cout << "OPTIONS:\n"; - for (unsigned i = 0, e = Options.size(); i != e; ++i) - Options[i].second->printOptionInfo(MaxArgLen); + cout << "OPTIONS:\n"; + for (size_t i = 0, e = Opts.size(); i != e; ++i) + Opts[i].second->printOptionInfo(MaxArgLen); // Print any extra help the user has declared. - for (std::vector::iterator I = MoreHelp().begin(), - E = MoreHelp().end(); I != E; ++I) - std::cout << *I; - MoreHelp().clear(); + for (std::vector::iterator I = MoreHelp->begin(), + E = MoreHelp->end(); I != E; ++I) + cout << *I; + MoreHelp->clear(); // Halt the program since help information was printed - getOpts().clear(); // Don't bother making option dtors remove from map. exit(1); } }; +} // End anonymous namespace // Define the two HelpPrinter instances that are used to print out help, or // help-hidden... // -HelpPrinter NormalPrinter(false); -HelpPrinter HiddenPrinter(true); +static HelpPrinter NormalPrinter(false); +static HelpPrinter HiddenPrinter(true); -cl::opt > +static cl::opt > HOp("help", cl::desc("Display available options (--help-hidden for more)"), cl::location(NormalPrinter), cl::ValueDisallowed); -cl::opt > +static cl::opt > HHOp("help-hidden", cl::desc("Display all available options"), cl::location(HiddenPrinter), cl::Hidden, cl::ValueDisallowed); -void (*OverrideVersionPrinter)() = 0; +static void (*OverrideVersionPrinter)() = 0; +namespace { class VersionPrinter { public: - void operator=(bool OptionWasSpecified) { - if (OptionWasSpecified) { - if (OverrideVersionPrinter == 0) { - std::cout << "Low Level Virtual Machine (http://llvm.org/):\n"; - std::cout << " " << PACKAGE_NAME << " version " << PACKAGE_VERSION; + void print() { + cout << "Low Level Virtual Machine (http://llvm.org/):\n"; + cout << " " << PACKAGE_NAME << " version " << PACKAGE_VERSION; #ifdef LLVM_VERSION_INFO - std::cout << LLVM_VERSION_INFO; + cout << LLVM_VERSION_INFO; #endif - std::cout << "\n "; + cout << "\n "; #ifndef __OPTIMIZE__ - std::cout << "DEBUG build"; + cout << "DEBUG build"; #else - std::cout << "Optimized build"; + cout << "Optimized build"; #endif #ifndef NDEBUG - std::cout << " with assertions"; + cout << " with assertions"; #endif - std::cout << ".\n"; - getOpts().clear(); // Don't bother making option dtors remove from map. + cout << ".\n"; + cout << " Built " << __DATE__ << "(" << __TIME__ << ").\n"; + } + void operator=(bool OptionWasSpecified) { + if (OptionWasSpecified) { + if (OverrideVersionPrinter == 0) { + print(); exit(1); } else { (*OverrideVersionPrinter)(); @@ -1010,17 +1152,16 @@ public: } } }; +} // End anonymous namespace // Define the --version option that prints out the LLVM version for the tool -VersionPrinter VersionPrinterInstance; -cl::opt > +static VersionPrinter VersionPrinterInstance; + +static cl::opt > VersOp("version", cl::desc("Display the version of this program"), cl::location(VersionPrinterInstance), cl::ValueDisallowed); - -} // End anonymous namespace - // Utility function for printing the help message. void cl::PrintHelpMessage() { // This looks weird, but it actually prints the help message. The @@ -1032,6 +1173,11 @@ void cl::PrintHelpMessage() { NormalPrinter = true; } +/// Utility function for printing version number. +void cl::PrintVersionMessage() { + VersionPrinterInstance.print(); +} + void cl::SetVersionPrinter(void (*func)()) { OverrideVersionPrinter = func; }