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Add a --version option for every tool that prints out:

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Low Level Virtual Machine ($PACKAGE_NAME) $PACKAGE_VERSION

llvm-svn: 15454
This commit is contained in:
Reid Spencer 2004-08-04 00:36:06 +00:00
parent 406cde6259
commit 7a574d3872
1 changed files with 18 additions and 1 deletions
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19
lib/Support/CommandLine.cpp
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@ -16,6 +16,7 @@
// //
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
#include "Config/config.h"
#include "Support/CommandLine.h" #include "Support/CommandLine.h"
#include <algorithm> #include <algorithm>
#include <map> #include <map>
@ -176,7 +177,7 @@ static bool EatsUnboundedNumberOfValues(const Option *O) {
/// them later. /// them later.
/// ///
static void ParseCStringVector (std::vector<char *> &output, static void ParseCStringVector (std::vector<char *> &output,
const char *input) { const char *input) {
// Characters which will be treated as token separators: // Characters which will be treated as token separators:
static const char *delims = " \v\f\t\r\n"; static const char *delims = " \v\f\t\r\n";
@ -891,6 +892,16 @@ public:
} }
}; };
class VersionPrinter {
public:
void operator=(bool OptionWasSpecified) {
if (OptionWasSpecified) {
std::cerr << "Low Level Virtual Machine (" << PACKAGE_NAME << ") "
<< PACKAGE_VERSION << " (see http://llvm.org/)\n";
exit(1);
}
}
};
// Define the two HelpPrinter instances that are used to print out help, or // Define the two HelpPrinter instances that are used to print out help, or
@ -907,4 +918,10 @@ cl::opt<HelpPrinter, true, parser<bool> >
HHOp("help-hidden", cl::desc("display all available options"), HHOp("help-hidden", cl::desc("display all available options"),
cl::location(HiddenPrinter), cl::Hidden, cl::ValueDisallowed); cl::location(HiddenPrinter), cl::Hidden, cl::ValueDisallowed);
// Define the --version option that prints out the LLVM version for the tool
VersionPrinter VersionPrinterInstance;
cl::opt<VersionPrinter, true, parser<bool> >
VersOp("version", cl::desc("display the version"),
cl::location(VersionPrinterInstance), cl::ValueDisallowed);
} // End anonymous namespace } // End anonymous namespace