//===----------------------------------------------------------------------===//
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/System/Host.h"
#include "llvm/System/Path.h"
#include "llvm/ADT/OwningPtr.h"
-#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Config/config.h"
-#include <set>
#include <cerrno>
#include <cstdlib>
using namespace llvm;
/// GetOptionInfo - Scan the list of registered options, turning them into data
/// structures that are easier to handle.
-static void GetOptionInfo(std::vector<Option*> &PositionalOpts,
- std::vector<Option*> &SinkOpts,
+static void GetOptionInfo(SmallVectorImpl<Option*> &PositionalOpts,
+ SmallVectorImpl<Option*> &SinkOpts,
StringMap<Option*> &OptionsMap) {
- std::vector<const char*> OptionNames;
+ SmallVector<const char*, 16> 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.
/// 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,
- StringMap<Option*> &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
+/// that as well. This assumes that leading dashes have already been stripped.
+static Option *LookupOption(StringRef &Arg, StringRef &Value,
+ const StringMap<Option*> &OptionsMap) {
+ // Reject all dashes.
+ if (Arg.empty()) return 0;
+
+ size_t EqualPos = Arg.find('=');
+
+ // If we have an equals sign, remember the value.
+ if (EqualPos == StringRef::npos) {
+ // Look up the option.
+ StringMap<Option*>::const_iterator I = OptionsMap.find(Arg);
+ return I != OptionsMap.end() ? I->second : 0;
+ }
+ // If the argument before the = is a valid option name, we match. If not,
+ // return Arg unmolested.
+ StringMap<Option*>::const_iterator I =
+ OptionsMap.find(Arg.substr(0, EqualPos));
+ if (I == OptionsMap.end()) return 0;
+
+ Value = Arg.substr(EqualPos+1);
+ Arg = Arg.substr(0, EqualPos);
+ return I->second;
+}
- if (*Arg == 0) return 0;
- // Look up the option.
- StringMap<Option*>::iterator I =
- OptionsMap.find(llvm::StringRef(Arg, ArgEnd-Arg));
- return I != OptionsMap.end() ? I->second : 0;
-}
+/// ProvideOption - For Value, this differentiates between an empty value ("")
+/// and a null value (StringRef()). The later is accepted for arguments that
+/// don't allow a value (-foo) the former is rejected (-foo=).
static inline bool ProvideOption(Option *Handler, StringRef ArgName,
- const char *Value, int argc, char **argv,
+ StringRef 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:
- if (Value == 0) { // No value specified?
+ if (Value.data() == 0) { // No value specified?
if (i+1 >= argc)
return Handler->error("requires a value!");
// Steal the next argument, like for '-o filename'
return Handler->error("multi-valued option specified"
" with ValueDisallowed modifier!");
- if (Value)
+ if (Value.data())
return Handler->error("does not allow a value! '" +
Twine(Value) + "' specified.");
break;
// If this isn't a multi-arg option, just run the handler.
if (NumAdditionalVals == 0)
- return Handler->addOccurrence(i, ArgName, Value ? Value : "");
+ return Handler->addOccurrence(i, ArgName, Value);
// If it is, run the handle several times.
bool MultiArg = false;
- if (Value) {
+ if (Value.data()) {
if (Handler->addOccurrence(i, ArgName, Value, MultiArg))
return true;
--NumAdditionalVals;
static bool ProvidePositionalOption(Option *Handler, StringRef Arg, int i) {
int Dummy = i;
- return ProvideOption(Handler, Handler->ArgStr, Arg.data(), 0, 0, Dummy);
+ return ProvideOption(Handler, Handler->ArgStr, Arg, 0, 0, Dummy);
}
//
static Option *getOptionPred(StringRef Name, size_t &Length,
bool (*Pred)(const Option*),
- StringMap<Option*> &OptionsMap) {
+ const StringMap<Option*> &OptionsMap) {
- StringMap<Option*>::iterator OMI = OptionsMap.find(Name);
- if (OMI != OptionsMap.end() && Pred(OMI->second)) {
- Length = Name.size();
- return OMI->second;
- }
+ StringMap<Option*>::const_iterator OMI = OptionsMap.find(Name);
- if (Name.size() == 1) return 0;
- do {
+ // 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 (OMI == OptionsMap.end() && Name.size() > 1) {
Name = Name.substr(0, Name.size()-1); // Chop off the last character.
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 ((OMI == OptionsMap.end() || !Pred(OMI->second)) && Name.size() > 1);
+ }
if (OMI != OptionsMap.end() && Pred(OMI->second)) {
Length = Name.size();
return 0; // No option found!
}
+/// HandlePrefixedOrGroupedOption - The specified argument string (which started
+/// with at least one '-') does not fully match an available option. Check to
+/// see if this is a prefix or grouped option. If so, split arg into output an
+/// Arg/Value pair and return the Option to parse it with.
+static Option *HandlePrefixedOrGroupedOption(StringRef &Arg, StringRef &Value,
+ bool &ErrorParsing,
+ const StringMap<Option*> &OptionsMap) {
+ if (Arg.size() == 1) return 0;
+
+ // Do the lookup!
+ size_t Length = 0;
+ Option *PGOpt = getOptionPred(Arg, Length, isPrefixedOrGrouping, OptionsMap);
+ if (PGOpt == 0) return 0;
+
+ // If the option is a prefixed option, then the value is simply the
+ // rest of the name... so fall through to later processing, by
+ // setting up the argument name flags and value fields.
+ if (PGOpt->getFormattingFlag() == cl::Prefix) {
+ Value = Arg.substr(Length);
+ Arg = Arg.substr(0, Length);
+ assert(OptionsMap.count(Arg) && OptionsMap.find(Arg)->second == PGOpt);
+ return PGOpt;
+ }
+
+ // This must be a grouped option... handle them now. Grouping options can't
+ // have values.
+ assert(isGrouping(PGOpt) && "Broken getOptionPred!");
+
+ do {
+ // Move current arg name out of Arg into OneArgName.
+ StringRef OneArgName = Arg.substr(0, Length);
+ Arg = Arg.substr(Length);
+
+ // Because ValueRequired is an invalid flag for grouped arguments,
+ // we don't need to pass argc/argv in.
+ assert(PGOpt->getValueExpectedFlag() != cl::ValueRequired &&
+ "Option can not be cl::Grouping AND cl::ValueRequired!");
+ int Dummy;
+ ErrorParsing |= ProvideOption(PGOpt, OneArgName,
+ StringRef(), 0, 0, Dummy);
+
+ // Get the next grouping option.
+ PGOpt = getOptionPred(Arg, Length, isGrouping, OptionsMap);
+ } while (PGOpt && Length != Arg.size());
+
+ // Return the last option with Arg cut down to just the last one.
+ return PGOpt;
+}
+
+
+
static bool RequiresValue(const Option *O) {
return O->getNumOccurrencesFlag() == cl::Required ||
O->getNumOccurrencesFlag() == cl::OneOrMore;
/// ParseCStringVector - Break INPUT up wherever one or more
/// whitespace characters are found, and store the resulting tokens in
/// OUTPUT. The tokens stored in OUTPUT are dynamically allocated
-/// using strdup (), so it is the caller's responsibility to free ()
+/// using strdup(), so it is the caller's responsibility to free()
/// them later.
///
-static void ParseCStringVector(std::vector<char *> &output,
- const char *input) {
+static void ParseCStringVector(std::vector<char *> &OutputVector,
+ const char *Input) {
// Characters which will be treated as token separators:
- static const char *const delims = " \v\f\t\r\n";
-
- std::string work (input);
- // Skip past any delims at head of input string.
- size_t pos = work.find_first_not_of (delims);
- // If the string consists entirely of delims, then exit early.
- if (pos == std::string::npos) return;
- // Otherwise, jump forward to beginning of first word.
- work = work.substr (pos);
- // Find position of first delimiter.
- pos = work.find_first_of (delims);
-
- while (!work.empty() && pos != std::string::npos) {
- // Everything from 0 to POS is the next word to copy.
- output.push_back (strdup (work.substr (0,pos).c_str ()));
- // Is there another word in the string?
- size_t nextpos = work.find_first_not_of (delims, pos + 1);
- if (nextpos != std::string::npos) {
- // Yes? Then remove delims from beginning ...
- work = work.substr (work.find_first_not_of (delims, pos + 1));
- // and find the end of the word.
- pos = work.find_first_of (delims);
- } else {
- // No? (Remainder of string is delims.) End the loop.
- work = "";
- pos = std::string::npos;
+ StringRef Delims = " \v\f\t\r\n";
+
+ StringRef WorkStr(Input);
+ while (!WorkStr.empty()) {
+ // If the first character is a delimiter, strip them off.
+ if (Delims.find(WorkStr[0]) != StringRef::npos) {
+ size_t Pos = WorkStr.find_first_not_of(Delims);
+ if (Pos == StringRef::npos) Pos = WorkStr.size();
+ WorkStr = WorkStr.substr(Pos);
+ continue;
}
- }
-
- // If `input' ended with non-delim char, then we'll get here with
- // the last word of `input' in `work'; copy it now.
- if (!work.empty ()) {
- output.push_back (strdup (work.c_str ()));
+
+ // Find position of first delimiter.
+ size_t Pos = WorkStr.find_first_of(Delims);
+ if (Pos == StringRef::npos) Pos = WorkStr.size();
+
+ // Everything from 0 to Pos is the next word to copy.
+ char *NewStr = (char*)malloc(Pos+1);
+ memcpy(NewStr, WorkStr.data(), Pos);
+ NewStr[Pos] = 0;
+ OutputVector.push_back(NewStr);
+
+ WorkStr = WorkStr.substr(Pos);
}
}
// Free all the strdup()ed strings.
for (std::vector<char*>::iterator i = newArgv.begin(), e = newArgv.end();
i != e; ++i)
- free (*i);
+ free(*i);
}
/// 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,
+static void ExpandResponseFiles(unsigned argc, char** argv,
std::vector<char*>& newArgv) {
- for (int i = 1; i != argc; ++i) {
- char* arg = argv[i];
+ for (unsigned i = 1; i != argc; ++i) {
+ char *arg = argv[i];
if (arg[0] == '@') {
-
sys::PathWithStatus respFile(++arg);
// Check that the response file is not empty (mmap'ing empty
void cl::ParseCommandLineOptions(int argc, char **argv,
const char *Overview, bool ReadResponseFiles) {
// Process all registered options.
- std::vector<Option*> PositionalOpts;
- std::vector<Option*> SinkOpts;
+ SmallVector<Option*, 4> PositionalOpts;
+ SmallVector<Option*, 4> SinkOpts;
StringMap<Option*> Opts;
GetOptionInfo(PositionalOpts, SinkOpts, Opts);
bool DashDashFound = false; // Have we read '--'?
for (int i = 1; i < argc; ++i) {
Option *Handler = 0;
- const char *Value = 0;
- const char *ArgName = "";
+ StringRef Value;
+ StringRef ArgName = "";
// If the option list changed, this means that some command line
// option has just been registered or deregistered. This can occur in
// option is another positional argument. If so, treat it as an argument,
// otherwise feed it to the eating positional.
ArgName = argv[i]+1;
+ // Eat leading dashes.
+ while (!ArgName.empty() && ArgName[0] == '-')
+ ArgName = ArgName.substr(1);
+
Handler = LookupOption(ArgName, Value, Opts);
if (!Handler || Handler->getFormattingFlag() != cl::Positional) {
ProvidePositionalOption(ActivePositionalArg, argv[i], i);
} else { // We start with a '-', must be an argument.
ArgName = argv[i]+1;
+ // Eat leading dashes.
+ while (!ArgName.empty() && ArgName[0] == '-')
+ ArgName = ArgName.substr(1);
+
Handler = LookupOption(ArgName, Value, Opts);
// Check to see if this "option" is really a prefixed or grouped argument.
- if (Handler == 0) {
- StringRef RealName(ArgName);
- if (RealName.size() > 1) {
- 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
- // setting up the argument name flags and value fields.
- //
- if (PGOpt && PGOpt->getFormattingFlag() == cl::Prefix) {
- Value = ArgName+Length;
- assert(Opts.count(StringRef(ArgName, Length)) &&
- Opts[StringRef(ArgName, Length)] == PGOpt);
- Handler = PGOpt;
- } else if (PGOpt) {
- // This must be a grouped option... handle them now.
- assert(isGrouping(PGOpt) && "Broken getOptionPred!");
-
- do {
- // Move current arg name out of RealName into RealArgName.
- StringRef RealArgName = RealName.substr(0, Length);
- RealName = RealName.substr(Length);
-
- // Because ValueRequired is an invalid flag for grouped arguments,
- // we don't need to pass argc/argv in.
- //
- assert(PGOpt->getValueExpectedFlag() != cl::ValueRequired &&
- "Option can not be cl::Grouping AND cl::ValueRequired!");
- int Dummy;
- ErrorParsing |= ProvideOption(PGOpt, RealArgName,
- 0, 0, 0, Dummy);
-
- // Get the next grouping option.
- PGOpt = getOptionPred(RealName, Length, isGrouping, Opts);
- } while (PGOpt && Length != RealName.size());
-
- Handler = PGOpt; // Ate all of the options.
- }
- }
- }
+ if (Handler == 0)
+ Handler = HandlePrefixedOrGroupedOption(ArgName, Value,
+ ErrorParsing, Opts);
}
if (Handler == 0) {
<< argv[i] << "'. Try: '" << argv[0] << " --help'\n";
ErrorParsing = true;
} else {
- for (std::vector<Option*>::iterator I = SinkOpts.begin(),
+ for (SmallVectorImpl<Option*>::iterator I = SinkOpts.begin(),
E = SinkOpts.end(); I != E ; ++I)
(*I)->addOccurrence(i, "", argv[i]);
}
}
// Check to see if this option accepts a comma separated list of values. If
- // it does, we have to split up the value into multiple values...
- if (Value && Handler->getMiscFlags() & CommaSeparated) {
- std::string Val(Value);
- std::string::size_type Pos = Val.find(',');
-
- while (Pos != std::string::npos) {
- // Process the portion before the comma...
- ErrorParsing |= ProvideOption(Handler, ArgName,
- std::string(Val.begin(),
- Val.begin()+Pos).c_str(),
+ // it does, we have to split up the value into multiple values.
+ if (Handler->getMiscFlags() & CommaSeparated) {
+ StringRef Val(Value);
+ StringRef::size_type Pos = Val.find(',');
+
+ while (Pos != StringRef::npos) {
+ // Process the portion before the comma.
+ ErrorParsing |= ProvideOption(Handler, ArgName, Val.substr(0, Pos),
argc, argv, i);
- // Erase the portion before the comma, AND the comma...
- Val.erase(Val.begin(), Val.begin()+Pos+1);
- Value += Pos+1; // Increment the original value pointer as well...
+ // Erase the portion before the comma, AND the comma.
+ Val = Val.substr(Pos+1);
+ Value.substr(Pos+1); // Increment the original value pointer as well.
- // Check for another comma...
+ // Check for another comma.
Pos = Val.find(',');
}
+ Value = Val;
}
// If this is a named positional argument, just remember that it is the
ErrorParsing = true;
} else if (ConsumeAfterOpt == 0) {
- // Positional args have already been handled if ConsumeAfter is specified...
+ // Positional args have already been handled if ConsumeAfter is specified.
unsigned ValNo = 0, NumVals = static_cast<unsigned>(PositionalVals.size());
for (size_t i = 0, e = PositionalOpts.size(); i != e; ++i) {
if (RequiresValue(PositionalOpts[i])) {
// Free all the strdup()ed strings.
for (std::vector<char*>::iterator i = newArgv.begin(), e = newArgv.end();
i != e; ++i)
- free (*i);
+ free(*i);
}
+ DEBUG(errs() << "\nArgs: ";
+ for (int i = 0; i < argc; ++i)
+ errs() << argv[i] << ' ';
+ );
+
// If we had an error processing our arguments, don't let the program execute
if (ErrorParsing) exit(1);
}
// Print out the option for the alias.
void alias::printOptionInfo(size_t GlobalWidth) const {
size_t L = std::strlen(ArgStr);
- errs() << " -" << ArgStr << std::string(GlobalWidth-L-6, ' ') << " - "
- << HelpStr << "\n";
+ errs() << " -" << ArgStr;
+ errs().indent(GlobalWidth-L-6) << " - " << HelpStr << "\n";
}
size_t GlobalWidth) const {
if (O.hasArgStr()) {
size_t L = std::strlen(O.ArgStr);
- outs() << " -" << O.ArgStr << std::string(GlobalWidth-L-6, ' ')
- << " - " << O.HelpStr << '\n';
+ outs() << " -" << O.ArgStr;
+ outs().indent(GlobalWidth-L-6) << " - " << O.HelpStr << '\n';
for (unsigned i = 0, e = getNumOptions(); i != e; ++i) {
size_t NumSpaces = GlobalWidth-strlen(getOption(i))-8;
- outs() << " =" << getOption(i) << std::string(NumSpaces, ' ')
- << " - " << getDescription(i) << '\n';
+ outs() << " =" << getOption(i);
+ outs().indent(NumSpaces) << " - " << getDescription(i) << '\n';
}
} else {
if (O.HelpStr[0])
- outs() << " " << O.HelpStr << "\n";
+ outs() << " " << O.HelpStr << '\n';
for (unsigned i = 0, e = getNumOptions(); i != e; ++i) {
size_t L = std::strlen(getOption(i));
- outs() << " -" << getOption(i) << std::string(GlobalWidth-L-8, ' ')
- << " - " << getDescription(i) << "\n";
+ outs() << " -" << getOption(i);
+ outs().indent(GlobalWidth-L-8) << " - " << getDescription(i) << '\n';
}
}
}
// --help and --help-hidden option implementation
//
+static int OptNameCompare(const void *LHS, const void *RHS) {
+ typedef std::pair<const char *, Option*> pair_ty;
+
+ return strcmp(((pair_ty*)LHS)->first, ((pair_ty*)RHS)->first);
+}
+
namespace {
class HelpPrinter {
const Option *EmptyArg;
const bool ShowHidden;
- // isHidden/isReallyHidden - Predicates to be used to filter down arg lists.
- inline static bool isHidden(Option *Opt) {
- return Opt->getOptionHiddenFlag() >= Hidden;
- }
- inline static bool isReallyHidden(Option *Opt) {
- return Opt->getOptionHiddenFlag() == ReallyHidden;
- }
-
public:
explicit HelpPrinter(bool showHidden) : ShowHidden(showHidden) {
EmptyArg = 0;
if (Value == false) return;
// Get all the options.
- std::vector<Option*> PositionalOpts;
- std::vector<Option*> SinkOpts;
+ SmallVector<Option*, 4> PositionalOpts;
+ SmallVector<Option*, 4> SinkOpts;
StringMap<Option*> OptMap;
GetOptionInfo(PositionalOpts, SinkOpts, OptMap);
- // Copy Options into a vector so we can sort them as we like...
- std::vector<Option*> Opts;
+ // Copy Options into a vector so we can sort them as we like.
+ SmallVector<std::pair<const char *, Option*>, 128> Opts;
+ SmallPtrSet<Option*, 128> OptionSet; // Duplicate option detection.
+
for (StringMap<Option*>::iterator I = OptMap.begin(), E = OptMap.end();
I != E; ++I) {
- Opts.push_back(I->second);
- }
+ // Ignore really-hidden options.
+ if (I->second->getOptionHiddenFlag() == ReallyHidden)
+ continue;
+
+ // Unless showhidden is set, ignore hidden flags.
+ if (I->second->getOptionHiddenFlag() == Hidden && !ShowHidden)
+ continue;
+
+ // If we've already seen this option, don't add it to the list again.
+ if (!OptionSet.insert(I->second))
+ continue;
- // Eliminate Hidden or ReallyHidden arguments, depending on ShowHidden
- 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<Option*> OptionSet;
- for (unsigned i = 0; i != Opts.size(); ++i)
- if (OptionSet.count(Opts[i]) == 0)
- OptionSet.insert(Opts[i]); // Add new entry to set
- else
- Opts.erase(Opts.begin()+i--); // Erase duplicate
+ Opts.push_back(std::pair<const char *, Option*>(I->getKey().data(),
+ I->second));
}
+
+ // Sort the options list alphabetically.
+ qsort(Opts.data(), Opts.size(), sizeof(Opts[0]), OptNameCompare);
if (ProgramOverview)
outs() << "OVERVIEW: " << ProgramOverview << "\n";
// Compute the maximum argument length...
MaxArgLen = 0;
for (size_t i = 0, e = Opts.size(); i != e; ++i)
- MaxArgLen = std::max(MaxArgLen, Opts[i]->getOptionWidth());
+ MaxArgLen = std::max(MaxArgLen, Opts[i].second->getOptionWidth());
outs() << "OPTIONS:\n";
for (size_t i = 0, e = Opts.size(); i != e; ++i)
- Opts[i]->printOptionInfo(MaxArgLen);
+ Opts[i].second->printOptionInfo(MaxArgLen);
// Print any extra help the user has declared.
for (std::vector<const char *>::iterator I = MoreHelp->begin(),
static void (*OverrideVersionPrinter)() = 0;
+static int TargetArraySortFn(const void *LHS, const void *RHS) {
+ typedef std::pair<const char *, const Target*> pair_ty;
+ return strcmp(((const pair_ty*)LHS)->first, ((const pair_ty*)RHS)->first);
+}
+
namespace {
class VersionPrinter {
public:
void print() {
- outs() << "Low Level Virtual Machine (http://llvm.org/):\n"
- << " " << PACKAGE_NAME << " version " << PACKAGE_VERSION;
+ raw_ostream &OS = outs();
+ OS << "Low Level Virtual Machine (http://llvm.org/):\n"
+ << " " << PACKAGE_NAME << " version " << PACKAGE_VERSION;
#ifdef LLVM_VERSION_INFO
- outs() << LLVM_VERSION_INFO;
+ OS << LLVM_VERSION_INFO;
#endif
- outs() << "\n ";
+ OS << "\n ";
#ifndef __OPTIMIZE__
- outs() << "DEBUG build";
+ OS << "DEBUG build";
#else
- outs() << "Optimized build";
+ OS << "Optimized build";
#endif
#ifndef NDEBUG
- outs() << " with assertions";
+ OS << " with assertions";
#endif
- outs() << ".\n"
- << " Built " << __DATE__ << " (" << __TIME__ << ").\n"
- << " Host: " << sys::getHostTriple() << "\n"
- << "\n"
- << " Registered Targets:\n";
+ OS << ".\n"
+ << " Built " << __DATE__ << " (" << __TIME__ << ").\n"
+ << " Host: " << sys::getHostTriple() << '\n'
+ << '\n'
+ << " Registered Targets:\n";
- std::vector<std::pair<std::string, const Target*> > Targets;
+ std::vector<std::pair<const char *, const Target*> > Targets;
size_t Width = 0;
for (TargetRegistry::iterator it = TargetRegistry::begin(),
ie = TargetRegistry::end(); it != ie; ++it) {
Targets.push_back(std::make_pair(it->getName(), &*it));
- Width = std::max(Width, Targets.back().first.length());
+ Width = std::max(Width, strlen(Targets.back().first));
}
- std::sort(Targets.begin(), Targets.end());
+ if (!Targets.empty())
+ qsort(&Targets[0], Targets.size(), sizeof(Targets[0]),
+ TargetArraySortFn);
for (unsigned i = 0, e = Targets.size(); i != e; ++i) {
- outs() << " " << Targets[i].first
- << std::string(Width - Targets[i].first.length(), ' ') << " - "
- << Targets[i].second->getShortDescription() << "\n";
+ OS << " " << Targets[i].first;
+ OS.indent(Width - strlen(Targets[i].first)) << " - "
+ << Targets[i].second->getShortDescription() << '\n';
}
if (Targets.empty())
- outs() << " (none)\n";
+ OS << " (none)\n";
}
void operator=(bool OptionWasSpecified) {
- if (OptionWasSpecified) {
- if (OverrideVersionPrinter == 0) {
- print();
- exit(1);
- } else {
- (*OverrideVersionPrinter)();
- exit(1);
- }
+ if (!OptionWasSpecified) return;
+
+ if (OverrideVersionPrinter == 0) {
+ print();
+ exit(1);
}
+ (*OverrideVersionPrinter)();
+ exit(1);
}
};
} // End anonymous namespace
projects / oota-llvm.git / blobdiff