//===----------------------------------------------------------------------===//
#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"
//===----------------------------------------------------------------------===//
// Template instantiations and anchors.
//
+namespace llvm { namespace cl {
TEMPLATE_INSTANTIATION(class basic_parser<bool>);
TEMPLATE_INSTANTIATION(class basic_parser<boolOrDefault>);
TEMPLATE_INSTANTIATION(class basic_parser<int>);
TEMPLATE_INSTANTIATION(class opt<std::string>);
TEMPLATE_INSTANTIATION(class opt<char>);
TEMPLATE_INSTANTIATION(class opt<bool>);
+} } // end namespace llvm::cl
void Option::anchor() {}
void basic_parser_impl::anchor() {}
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.substr(0, EqualPos));
if (I == OptionsMap.end()) return 0;
-
+
Value = Arg.substr(EqualPos+1);
Arg = Arg.substr(0, EqualPos);
return I->second;
}
+/// CommaSeparateAndAddOccurence - A wrapper around Handler->addOccurence() that
+/// does special handling of cl::CommaSeparated options.
+static bool CommaSeparateAndAddOccurence(Option *Handler, unsigned pos,
+ StringRef ArgName,
+ StringRef Value, bool MultiArg = false)
+{
+ // 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 (Handler->getMiscFlags() & CommaSeparated) {
+ StringRef Val(Value);
+ StringRef::size_type Pos = Val.find(',');
+
+ while (Pos != StringRef::npos) {
+ // Process the portion before the comma.
+ if (Handler->addOccurrence(pos, ArgName, Val.substr(0, Pos), MultiArg))
+ return true;
+ // 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.
+ Pos = Val.find(',');
+ }
+
+ Value = Val;
+ }
+
+ if (Handler->addOccurrence(pos, ArgName, Value, MultiArg))
+ return true;
+ return false;
+}
/// ProvideOption - For Value, this differentiates between an empty value ("")
/// and a null value (StringRef()). The later is accepted for arguments that
break;
case ValueOptional:
break;
-
+
default:
errs() << ProgramName
<< ": Bad ValueMask flag! CommandLine usage error:"
// If this isn't a multi-arg option, just run the handler.
if (NumAdditionalVals == 0)
- return Handler->addOccurrence(i, ArgName, Value);
+ return CommaSeparateAndAddOccurence(Handler, i, ArgName, Value);
// If it is, run the handle several times.
bool MultiArg = false;
if (Value.data()) {
- if (Handler->addOccurrence(i, ArgName, Value, MultiArg))
+ if (CommaSeparateAndAddOccurence(Handler, i, ArgName, Value, MultiArg))
return true;
--NumAdditionalVals;
MultiArg = true;
if (i+1 >= argc)
return Handler->error("not enough values!");
Value = argv[++i];
-
- if (Handler->addOccurrence(i, ArgName, Value, MultiArg))
+
+ if (CommaSeparateAndAddOccurence(Handler, i, ArgName, Value, MultiArg))
return true;
MultiArg = true;
--NumAdditionalVals;
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.
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;
+ int Dummy = 0;
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;
}
/// 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);
+ }
}
/// ParseEnvironmentOptions - An alternative entry point to the
ProvidePositionalOption(ActivePositionalArg, argv[i], i);
continue; // We are done!
}
-
+
if (!PositionalOpts.empty()) {
PositionalVals.push_back(std::make_pair(argv[i],i));
// 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);
// 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.
continue;
}
- // 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 (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 = Val.substr(Pos+1);
- Value.substr(Pos+1); // Increment the original value pointer as well.
-
- // Check for another comma.
- Pos = Val.find(',');
- }
- }
-
// If this is a named positional argument, just remember that it is the
// active one...
if (Handler->getFormattingFlag() == cl::Positional)
free(*i);
}
+ DEBUG(dbgs() << "Args: ";
+ for (int i = 0; i < argc; ++i)
+ dbgs() << argv[i] << ' ';
+ dbgs() << '\n';
+ );
+
// If we had an error processing our arguments, don't let the program execute
if (ErrorParsing) exit(1);
}
Value = true;
return false;
}
-
+
if (Arg == "false" || Arg == "FALSE" || Arg == "False" || Arg == "0") {
Value = false;
return false;
Value = BOU_FALSE;
return false;
}
-
+
return O.error("'" + Arg +
"' is invalid value for boolean argument! Try 0 or 1");
}
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);
}
// 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;
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);
#ifndef NDEBUG
OS << " with assertions";
#endif
+ std::string CPU = sys::getHostCPUName();
+ if (CPU == "generic") CPU = "(unknown)";
OS << ".\n"
<< " Built " << __DATE__ << " (" << __TIME__ << ").\n"
<< " Host: " << sys::getHostTriple() << '\n'
+ << " Host CPU: " << CPU << '\n'
<< '\n'
<< " Registered Targets:\n";
std::vector<std::pair<const char *, const Target*> > Targets;
size_t Width = 0;
- for (TargetRegistry::iterator it = TargetRegistry::begin(),
+ 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, strlen(Targets.back().first));
}
void operator=(bool OptionWasSpecified) {
if (!OptionWasSpecified) return;
-
+
if (OverrideVersionPrinter == 0) {
print();
exit(1);
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