#include "llvm/Config/config.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/System/Path.h"
#include <algorithm>
#include <functional>
#include <map>
#include <cerrno>
#include <cstring>
using namespace llvm;
-
using namespace cl;
+//===----------------------------------------------------------------------===//
+// Template instantiations and anchors.
+//
+TEMPLATE_INSTANTIATION(class basic_parser<bool>);
+TEMPLATE_INSTANTIATION(class basic_parser<int>);
+TEMPLATE_INSTANTIATION(class basic_parser<unsigned>);
+TEMPLATE_INSTANTIATION(class basic_parser<double>);
+TEMPLATE_INSTANTIATION(class basic_parser<float>);
+TEMPLATE_INSTANTIATION(class basic_parser<std::string>);
+
+TEMPLATE_INSTANTIATION(class opt<unsigned>);
+TEMPLATE_INSTANTIATION(class opt<int>);
+TEMPLATE_INSTANTIATION(class opt<std::string>);
+TEMPLATE_INSTANTIATION(class opt<bool>);
+
+void Option::anchor() {}
+void basic_parser_impl::anchor() {}
+void parser<bool>::anchor() {}
+void parser<int>::anchor() {}
+void parser<unsigned>::anchor() {}
+void parser<double>::anchor() {}
+void parser<float>::anchor() {}
+void parser<std::string>::anchor() {}
+
+//===----------------------------------------------------------------------===//
+
// Globals for name and overview of program
-static const char *ProgramName = "<unknown>";
+static std::string ProgramName = "<premain>";
static const char *ProgramOverview = 0;
// This collects additional help to be printed.
}
//===----------------------------------------------------------------------===//
-// Basic, shared command line option processing machinery...
+// Basic, shared command line option processing machinery.
//
// Return the global command line option vector. Making it a function scoped
/// 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 *> &output,
+ const char *input) {
// Characters which will be treated as token separators:
static const char *delims = " \v\f\t\r\n";
assert(envVar && "Environment variable name missing");
// Get the environment variable they want us to parse options out of.
- const char *envValue = getenv (envVar);
+ const char *envValue = getenv(envVar);
if (!envValue)
return;
// Get program's "name", which we wouldn't know without the caller
// telling us.
- std::vector<char *> newArgv;
- newArgv.push_back (strdup (progName));
+ std::vector<char*> newArgv;
+ newArgv.push_back(strdup(progName));
// 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);
+ ParseCStringVector(newArgv, envValue);
+ int newArgc = newArgv.size();
+ ParseCommandLineOptions(newArgc, &newArgv[0], Overview);
// Free all the strdup()ed strings.
- for (std::vector<char *>::iterator i = newArgv.begin (), e = newArgv.end ();
- i != e; ++i) {
+ for (std::vector<char*>::iterator i = newArgv.begin(), e = newArgv.end();
+ i != e; ++i)
free (*i);
- }
}
/// LookupOption - Lookup the option specified by the specified option on the
assert((!getOpts().empty() || !getPositionalOpts().empty()) &&
"No options specified, or ParseCommandLineOptions called more"
" than once!");
- ProgramName = argv[0]; // Save this away safe and snug
+ sys::Path progname(argv[0]);
+ ProgramName = sys::Path(argv[0]).getLast();
ProgramOverview = Overview;
bool ErrorParsing = false;
}
if (Handler == 0) {
- std::cerr << ProgramName << ": Unknown command line argument '" << argv[i]
- << "'. Try: '" << argv[0] << " --help'\n";
+ std::cerr << ProgramName << ": Unknown command line argument '"
+ << argv[i] << "'. Try: '" << argv[0] << " --help'\n";
ErrorParsing = true;
continue;
}
<< ": 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 << HelpStr; // Be nice for positional arguments
else
std::cerr << ProgramName << ": for the -" << ArgName;
+
std::cerr << " option: " << Message << "\n";
return true;
}
return std::strlen(ArgStr)+6;
}
-// Print out the option for the alias...
+// Print out the option for the alias.
void alias::printOptionInfo(unsigned GlobalWidth) const {
unsigned L = std::strlen(ArgStr);
- std::cerr << " -" << ArgStr << std::string(GlobalWidth-L-6, ' ') << " - "
+ std::cout << " -" << ArgStr << std::string(GlobalWidth-L-6, ' ') << " - "
<< HelpStr << "\n";
}
//
void basic_parser_impl::printOptionInfo(const Option &O,
unsigned GlobalWidth) const {
- std::cerr << " -" << O.ArgStr;
+ std::cout << " -" << O.ArgStr;
if (const char *ValName = getValueName())
- std::cerr << "=<" << getValueStr(O, ValName) << ">";
+ std::cout << "=<" << getValueStr(O, ValName) << ">";
- std::cerr << std::string(GlobalWidth-getOptionWidth(O), ' ') << " - "
+ std::cout << std::string(GlobalWidth-getOptionWidth(O), ' ') << " - "
<< O.HelpStr << "\n";
}
unsigned GlobalWidth) const {
if (O.hasArgStr()) {
unsigned L = std::strlen(O.ArgStr);
- std::cerr << " -" << O.ArgStr << std::string(GlobalWidth-L-6, ' ')
+ std::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::cerr << " =" << getOption(i) << std::string(NumSpaces, ' ')
+ std::cout << " =" << getOption(i) << std::string(NumSpaces, ' ')
<< " - " << getDescription(i) << "\n";
}
} else {
if (O.HelpStr[0])
- std::cerr << " " << O.HelpStr << "\n";
+ std::cout << " " << O.HelpStr << "\n";
for (unsigned i = 0, e = getNumOptions(); i != e; ++i) {
unsigned L = std::strlen(getOption(i));
- std::cerr << " -" << getOption(i) << std::string(GlobalWidth-L-8, ' ')
+ std::cout << " -" << getOption(i) << std::string(GlobalWidth-L-8, ' ')
<< " - " << getDescription(i) << "\n";
}
}
}
if (ProgramOverview)
- std::cerr << "OVERVIEW:" << ProgramOverview << "\n";
+ std::cout << "OVERVIEW:" << ProgramOverview << "\n";
- std::cerr << "USAGE: " << ProgramName << " [options]";
+ std::cout << "USAGE: " << ProgramName << " [options]";
// Print out the positional options...
std::vector<Option*> &PosOpts = getPositionalOpts();
for (unsigned i = CAOpt != 0, e = PosOpts.size(); i != e; ++i) {
if (PosOpts[i]->ArgStr[0])
- std::cerr << " --" << PosOpts[i]->ArgStr;
- std::cerr << " " << PosOpts[i]->HelpStr;
+ std::cout << " --" << PosOpts[i]->ArgStr;
+ std::cout << " " << PosOpts[i]->HelpStr;
}
// Print the consume after option info if it exists...
- if (CAOpt) std::cerr << " " << CAOpt->HelpStr;
+ if (CAOpt) std::cout << " " << CAOpt->HelpStr;
- std::cerr << "\n\n";
+ std::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());
- std::cerr << "OPTIONS:\n";
+ std::cout << "OPTIONS:\n";
for (unsigned i = 0, e = Options.size(); i != e; ++i)
Options[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::cerr << *I;
+ std::cout << *I;
MoreHelp().clear();
// Halt the program since help information was printed
}
};
-class VersionPrinter {
-public:
- void operator=(bool OptionWasSpecified) {
- if (OptionWasSpecified) {
- std::cerr << "Low Level Virtual Machine (" << PACKAGE_NAME << ") "
- << PACKAGE_VERSION << " (see http://llvm.org/)";
-#ifndef NDEBUG
- std::cerr << " DEBUG BUILD\n";
-#else
- std::cerr << "\n";
-#endif
- getOpts().clear(); // Don't bother making option dtors remove from map.
- exit(1);
- }
- }
-};
-
-
// Define the two HelpPrinter instances that are used to print out help, or
// help-hidden...
//
HHOp("help-hidden", cl::desc("Display all available options"),
cl::location(HiddenPrinter), cl::Hidden, cl::ValueDisallowed);
+void (*OverrideVersionPrinter)() = 0;
+
+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;
+#ifdef LLVM_VERSION_INFO
+ std::cout << LLVM_VERSION_INFO;
+#endif
+ std::cout << "\n ";
+#ifndef __OPTIMIZE__
+ std::cout << "DEBUG build";
+#else
+ std::cout << "Optimized build";
+#endif
+#ifndef NDEBUG
+ std::cout << " with assertions";
+#endif
+ std::cout << ".\n";
+ getOpts().clear(); // Don't bother making option dtors remove from map.
+ exit(1);
+ } else {
+ (*OverrideVersionPrinter)();
+ exit(1);
+ }
+ }
+ }
+};
+
+
// Define the --version option that prints out the LLVM version for the tool
VersionPrinter VersionPrinterInstance;
cl::opt<VersionPrinter, true, parser<bool> >
// to make it look like --help was given, so we assign true.
NormalPrinter = true;
}
+
+void cl::SetVersionPrinter(void (*func)()) {
+ OverrideVersionPrinter = func;
+}
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