#include "llvm/Config/config.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/Streams.h"
#include "llvm/System/Path.h"
#include <algorithm>
#include <functional>
#include <map>
+#include <ostream>
#include <set>
-#include <iostream>
#include <cstdlib>
#include <cerrno>
#include <cstring>
//===----------------------------------------------------------------------===//
-// Globals for name and overview of program
-static std::string ProgramName = "<premain>";
+// Globals for name and overview of program. Program name is not a string to
+// avoid static ctor/dtor issues.
+static char ProgramName[80] = "<premain>";
static const char *ProgramOverview = 0;
// This collects additional help to be printed.
static void AddArgument(const char *ArgName, Option *Opt) {
if (getOption(ArgName)) {
- std::cerr << ProgramName << ": CommandLine Error: Argument '"
- << ArgName << "' defined more than once!\n";
+ cerr << ProgramName << ": CommandLine Error: Argument '"
+ << ArgName << "' defined more than once!\n";
} else {
// Add argument to the argument map!
(*Options)[ArgName] = Opt;
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;
}
"No options specified, or ParseCommandLineOptions called more"
" than once!");
sys::Path progname(argv[0]);
- ProgramName = sys::Path(argv[0]).getLast();
+
+ // 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;
}
if (Handler == 0) {
- std::cerr << ProgramName << ": Unknown command line argument '"
- << argv[i] << "'. Try: '" << argv[0] << " --help'\n";
+ cerr << ProgramName << ": Unknown command line argument '"
+ << argv[i] << "'. Try: '" << argv[0] << " --help'\n";
ErrorParsing = true;
continue;
}
// 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) {
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;
+ cerr << ProgramName << ": for the -" << ArgName;
- std::cerr << " option: " << Message << "\n";
+ cerr << " option: " << Message << "\n";
return true;
}
// 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";
+ cout << " -" << ArgStr << std::string(GlobalWidth-L-6, ' ') << " - "
+ << HelpStr << "\n";
}
//
void basic_parser_impl::printOptionInfo(const Option &O,
unsigned GlobalWidth) const {
- std::cout << " -" << O.ArgStr;
+ 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";
}
unsigned GlobalWidth) const {
if (O.hasArgStr()) {
unsigned L = std::strlen(O.ArgStr);
- std::cout << " -" << O.ArgStr << std::string(GlobalWidth-L-6, ' ')
- << " - " << O.HelpStr << "\n";
+ 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";
+ 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";
+ cout << " -" << getOption(i) << std::string(GlobalWidth-L-8, ' ')
+ << " - " << getDescription(i) << "\n";
}
}
}
}
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<Option*> &PosOpts = *PositionalOptions;
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;
+ cout << " --" << PosOpts[i]->ArgStr;
+ cout << " " << PosOpts[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 = Opts.size(); i != e; ++i)
MaxArgLen = std::max(MaxArgLen, Opts[i].second->getOptionWidth());
- std::cout << "OPTIONS:\n";
+ cout << "OPTIONS:\n";
for (unsigned i = 0, e = Opts.size(); i != e; ++i)
Opts[i].second->printOptionInfo(MaxArgLen);
// Print any extra help the user has declared.
for (std::vector<const char *>::iterator I = MoreHelp->begin(),
E = MoreHelp->end(); I != E; ++I)
- std::cout << *I;
+ cout << *I;
MoreHelp->clear();
// Halt the program since help information was printed
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";
+ cout << ".\n";
+ }
+ void operator=(bool OptionWasSpecified) {
+ if (OptionWasSpecified) {
+ if (OverrideVersionPrinter == 0) {
+ print();
Options->clear(); // Don't bother making option dtors remove from map.
exit(1);
} else {
NormalPrinter = true;
}
+/// Utility function for printing version number.
+void cl::PrintVersionMessage() {
+ VersionPrinterInstance.print();
+}
+
void cl::SetVersionPrinter(void (*func)()) {
OverrideVersionPrinter = func;
}
projects / oota-llvm.git / blobdiff