//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//
#include "llvm/Config/config.h"
+#include "llvm/ADT/OwningPtr.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/Streams.h"
#include "llvm/System/Path.h"
#include <cstdlib>
#include <cerrno>
#include <cstring>
+#include <climits>
using namespace llvm;
using namespace cl;
// Template instantiations and anchors.
//
TEMPLATE_INSTANTIATION(class basic_parser<bool>);
+TEMPLATE_INSTANTIATION(class basic_parser<boolOrDefault>);
TEMPLATE_INSTANTIATION(class basic_parser<int>);
TEMPLATE_INSTANTIATION(class basic_parser<unsigned>);
TEMPLATE_INSTANTIATION(class basic_parser<double>);
void Option::anchor() {}
void basic_parser_impl::anchor() {}
void parser<bool>::anchor() {}
+void parser<boolOrDefault>::anchor() {}
void parser<int>::anchor() {}
void parser<unsigned>::anchor() {}
void parser<double>::anchor() {}
void Option::addArgument() {
assert(NextRegistered == 0 && "argument multiply registered!");
-
+
NextRegistered = RegisteredOptionList;
RegisteredOptionList = this;
MarkOptionsChanged();
/// 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,
std::map<std::string, Option*> &OptionsMap) {
std::vector<const char*> OptionNames;
Option *CAOpt = 0; // The ConsumeAfter option if it exists.
O->getExtraOptionNames(OptionNames);
if (O->ArgStr[0])
OptionNames.push_back(O->ArgStr);
-
+
// Handle named options.
- for (unsigned i = 0, e = OptionNames.size(); i != e; ++i) {
+ for (size_t i = 0, e = OptionNames.size(); i != e; ++i) {
// Add argument to the argument map!
if (!OptionsMap.insert(std::pair<std::string,Option*>(OptionNames[i],
O)).second) {
cerr << ProgramName << ": CommandLine Error: Argument '"
- << OptionNames[0] << "' defined more than once!\n";
+ << OptionNames[i] << "' defined more than once!\n";
}
}
-
+
OptionNames.clear();
-
+
// Remember information about positional options.
if (O->getFormattingFlag() == cl::Positional)
PositionalOpts.push_back(O);
+ else if (O->getMiscFlags() & cl::Sink) // Remember sink options
+ SinkOpts.push_back(O);
else if (O->getNumOccurrencesFlag() == cl::ConsumeAfter) {
if (CAOpt)
O->error("Cannot specify more than one option with cl::ConsumeAfter!");
CAOpt = O;
}
}
-
+
if (CAOpt)
PositionalOpts.push_back(CAOpt);
-
+
// Make sure that they are in order of registration not backwards.
std::reverse(PositionalOpts.begin(), PositionalOpts.end());
}
static Option *LookupOption(const char *&Arg, const char *&Value,
std::map<std::string, 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
-
-
+
+
if (*Arg == 0) return 0;
-
+
// Look up the option.
std::map<std::string, Option*>::iterator I =
OptionsMap.find(std::string(Arg, ArgEnd));
static inline bool ProvideOption(Option *Handler, const char *ArgName,
const char *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:
}
break;
case ValueDisallowed:
+ if (NumAdditionalVals > 0)
+ return Handler->error(": multi-valued option specified"
+ " with ValueDisallowed modifier!");
+
if (Value)
return Handler->error(" does not allow a value! '" +
std::string(Value) + "' specified.");
break;
}
- // Run the handler now!
- return Handler->addOccurrence(i, ArgName, Value ? Value : "");
+ // If this isn't a multi-arg option, just run the handler.
+ if (NumAdditionalVals == 0) {
+ return Handler->addOccurrence(i, ArgName, Value ? Value : "");
+ }
+ // If it is, run the handle several times.
+ else {
+ bool MultiArg = false;
+
+ if (Value) {
+ if (Handler->addOccurrence(i, ArgName, Value, MultiArg))
+ return true;
+ --NumAdditionalVals;
+ MultiArg = true;
+ }
+
+ while (NumAdditionalVals > 0) {
+
+ if (i+1 < argc) {
+ Value = argv[++i];
+ } else {
+ return Handler->error(": not enough values!");
+ }
+ if (Handler->addOccurrence(i, ArgName, Value, MultiArg))
+ return true;
+ MultiArg = true;
+ --NumAdditionalVals;
+ }
+ return false;
+ }
}
static bool ProvidePositionalOption(Option *Handler, const std::string &Arg,
// see if there options that satisfy the predicate. If we find one, return it,
// otherwise return null.
//
-static Option *getOptionPred(std::string Name, unsigned &Length,
+static Option *getOptionPred(std::string Name, size_t &Length,
bool (*Pred)(const Option*),
std::map<std::string, Option*> &OptionsMap) {
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";
+ static const char *const delims = " \v\f\t\r\n";
std::string work (input);
// Skip past any delims at head of input string.
/// an environment variable (whose name is given in ENVVAR).
///
void cl::ParseEnvironmentOptions(const char *progName, const char *envVar,
- const char *Overview) {
+ const char *Overview, bool ReadResponseFiles) {
// Check args.
assert(progName && "Program name not specified");
assert(envVar && "Environment variable name missing");
// 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);
+ int newArgc = static_cast<int>(newArgv.size());
+ ParseCommandLineOptions(newArgc, &newArgv[0], Overview, ReadResponseFiles);
// Free all the strdup()ed strings.
for (std::vector<char*>::iterator i = newArgv.begin(), e = newArgv.end();
free (*i);
}
-void cl::ParseCommandLineOptions(int &argc, char **argv,
- const char *Overview) {
+
+/// 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,
+ std::vector<char*>& newArgv) {
+ for (int 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
+ // files can be problematic).
+ const sys::FileStatus *FileStat = respFile.getFileStatus();
+ if (FileStat && FileStat->getSize() != 0) {
+
+ // Mmap the response file into memory.
+ OwningPtr<MemoryBuffer>
+ respFilePtr(MemoryBuffer::getFile(respFile.c_str()));
+
+ // If we could open the file, parse its contents, otherwise
+ // pass the @file option verbatim.
+ // TODO: support recursion.
+ if (respFilePtr != 0) {
+ ParseCStringVector(newArgv, respFilePtr->getBufferStart());
+ continue;
+ }
+ }
+ }
+ newArgv.push_back(strdup(arg));
+ }
+}
+
+void cl::ParseCommandLineOptions(int argc, char **argv,
+ const char *Overview, bool ReadResponseFiles) {
// Process all registered options.
std::vector<Option*> PositionalOpts;
+ std::vector<Option*> SinkOpts;
std::map<std::string, Option*> Opts;
- GetOptionInfo(PositionalOpts, Opts);
-
+ GetOptionInfo(PositionalOpts, SinkOpts, Opts);
+
assert((!Opts.empty() || !PositionalOpts.empty()) &&
"No options specified!");
- sys::Path progname(argv[0]);
+
+ // Expand response files.
+ std::vector<char*> newArgv;
+ if (ReadResponseFiles) {
+ newArgv.push_back(strdup(argv[0]));
+ ExpandResponseFiles(argc, argv, newArgv);
+ argv = &newArgv[0];
+ argc = static_cast<int>(newArgv.size());
+ }
// 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;
// Check out the positional arguments to collect information about them.
unsigned NumPositionalRequired = 0;
-
+
// Determine whether or not there are an unlimited number of positionals
bool HasUnlimitedPositionals = false;
-
+
Option *ConsumeAfterOpt = 0;
if (!PositionalOpts.empty()) {
if (PositionalOpts[0]->getNumOccurrencesFlag() == cl::ConsumeAfter) {
// Calculate how many positional values are _required_.
bool UnboundedFound = false;
- for (unsigned i = ConsumeAfterOpt != 0, e = PositionalOpts.size();
+ for (size_t i = ConsumeAfterOpt != 0, e = PositionalOpts.size();
i != e; ++i) {
Option *Opt = PositionalOpts[i];
if (RequiresValue(Opt))
// response to things like -load, etc. If this happens, rescan the options.
if (OptionListChanged) {
PositionalOpts.clear();
+ SinkOpts.clear();
Opts.clear();
- GetOptionInfo(PositionalOpts, Opts);
+ GetOptionInfo(PositionalOpts, SinkOpts, Opts);
OptionListChanged = false;
}
-
+
// Check to see if this is a positional argument. This argument is
// considered to be positional if it doesn't start with '-', if it is "-"
// itself, or if we have seen "--" already.
if (Handler == 0) {
std::string RealName(ArgName);
if (RealName.size() > 1) {
- unsigned Length = 0;
+ size_t Length = 0;
Option *PGOpt = getOptionPred(RealName, Length, isPrefixedOrGrouping,
Opts);
}
if (Handler == 0) {
- cerr << ProgramName << ": Unknown command line argument '"
- << argv[i] << "'. Try: '" << argv[0] << " --help'\n";
- ErrorParsing = true;
+ if (SinkOpts.empty()) {
+ cerr << ProgramName << ": Unknown command line argument '"
+ << argv[i] << "'. Try: '" << argv[0] << " --help'\n";
+ ErrorParsing = true;
+ } else {
+ for (std::vector<Option*>::iterator I = SinkOpts.begin(),
+ E = SinkOpts.end(); I != E ; ++I)
+ (*I)->addOccurrence(i, "", argv[i]);
+ }
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()) {
} else if (ConsumeAfterOpt == 0) {
// Positional args have already been handled if ConsumeAfter is specified...
- unsigned ValNo = 0, NumVals = PositionalVals.size();
- for (unsigned i = 0, e = PositionalOpts.size(); i != e; ++i) {
+ unsigned ValNo = 0, NumVals = static_cast<unsigned>(PositionalVals.size());
+ for (size_t i = 0, e = PositionalOpts.size(); i != e; ++i) {
if (RequiresValue(PositionalOpts[i])) {
ProvidePositionalOption(PositionalOpts[i], PositionalVals[ValNo].first,
PositionalVals[ValNo].second);
} else {
assert(ConsumeAfterOpt && NumPositionalRequired <= PositionalVals.size());
unsigned ValNo = 0;
- for (unsigned j = 1, e = PositionalOpts.size(); j != e; ++j)
+ for (size_t j = 1, e = PositionalOpts.size(); j != e; ++j)
if (RequiresValue(PositionalOpts[j])) {
ErrorParsing |= ProvidePositionalOption(PositionalOpts[j],
PositionalVals[ValNo].first,
PositionalOpts.clear();
MoreHelp->clear();
+ // Free the memory allocated by ExpandResponseFiles.
+ if (ReadResponseFiles) {
+ // Free all the strdup()ed strings.
+ for (std::vector<char*>::iterator i = newArgv.begin(), e = newArgv.end();
+ i != e; ++i)
+ free (*i);
+ }
+
// If we had an error processing our arguments, don't let the program execute
if (ErrorParsing) exit(1);
}
cerr << HelpStr; // Be nice for positional arguments
else
cerr << ProgramName << ": for the -" << ArgName;
-
+
cerr << " option: " << Message << "\n";
return true;
}
bool Option::addOccurrence(unsigned pos, const char *ArgName,
- const std::string &Value) {
- NumOccurrences++; // Increment the number of times we have been seen
+ const std::string &Value,
+ bool MultiArg) {
+ if (!MultiArg)
+ NumOccurrences++; // Increment the number of times we have been seen
switch (getNumOccurrencesFlag()) {
case Optional:
//
// Return the width of the option tag for printing...
-unsigned alias::getOptionWidth() const {
+size_t alias::getOptionWidth() const {
return std::strlen(ArgStr)+6;
}
// Print out the option for the alias.
-void alias::printOptionInfo(unsigned GlobalWidth) const {
- unsigned L = std::strlen(ArgStr);
+void alias::printOptionInfo(size_t GlobalWidth) const {
+ size_t L = std::strlen(ArgStr);
cout << " -" << ArgStr << std::string(GlobalWidth-L-6, ' ') << " - "
<< HelpStr << "\n";
}
//
// Return the width of the option tag for printing...
-unsigned basic_parser_impl::getOptionWidth(const Option &O) const {
- unsigned Len = std::strlen(O.ArgStr);
+size_t basic_parser_impl::getOptionWidth(const Option &O) const {
+ size_t Len = std::strlen(O.ArgStr);
if (const char *ValName = getValueName())
Len += std::strlen(getValueStr(O, ValName))+3;
// to-be-maintained width is specified.
//
void basic_parser_impl::printOptionInfo(const Option &O,
- unsigned GlobalWidth) const {
+ size_t GlobalWidth) const {
cout << " -" << O.ArgStr;
if (const char *ValName = getValueName())
return false;
}
+// parser<boolOrDefault> implementation
+//
+bool parser<boolOrDefault>::parse(Option &O, const char *ArgName,
+ const std::string &Arg, boolOrDefault &Value) {
+ if (Arg == "" || Arg == "true" || Arg == "TRUE" || Arg == "True" ||
+ Arg == "1") {
+ Value = BOU_TRUE;
+ } else if (Arg == "false" || Arg == "FALSE" || Arg == "False" || Arg == "0") {
+ Value = BOU_FALSE;
+ } else {
+ return O.error(": '" + Arg +
+ "' is invalid value for boolean argument! Try 0 or 1");
+ }
+ return false;
+}
+
// parser<int> implementation
//
bool parser<int>::parse(Option &O, const char *ArgName,
// Return the width of the option tag for printing...
-unsigned generic_parser_base::getOptionWidth(const Option &O) const {
+size_t generic_parser_base::getOptionWidth(const Option &O) const {
if (O.hasArgStr()) {
- unsigned Size = std::strlen(O.ArgStr)+6;
+ size_t Size = std::strlen(O.ArgStr)+6;
for (unsigned i = 0, e = getNumOptions(); i != e; ++i)
- Size = std::max(Size, (unsigned)std::strlen(getOption(i))+8);
+ Size = std::max(Size, std::strlen(getOption(i))+8);
return Size;
} else {
- unsigned BaseSize = 0;
+ size_t BaseSize = 0;
for (unsigned i = 0, e = getNumOptions(); i != e; ++i)
- BaseSize = std::max(BaseSize, (unsigned)std::strlen(getOption(i))+8);
+ BaseSize = std::max(BaseSize, std::strlen(getOption(i))+8);
return BaseSize;
}
}
// to-be-maintained width is specified.
//
void generic_parser_base::printOptionInfo(const Option &O,
- unsigned GlobalWidth) const {
+ size_t GlobalWidth) const {
if (O.hasArgStr()) {
- unsigned L = std::strlen(O.ArgStr);
+ size_t L = std::strlen(O.ArgStr);
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;
+ size_t NumSpaces = GlobalWidth-strlen(getOption(i))-8;
cout << " =" << getOption(i) << std::string(NumSpaces, ' ')
- << " - " << getDescription(i) << "\n";
+ << " - " << getDescription(i) << "\n";
}
} else {
if (O.HelpStr[0])
cout << " " << O.HelpStr << "\n";
for (unsigned i = 0, e = getNumOptions(); i != e; ++i) {
- unsigned L = std::strlen(getOption(i));
+ size_t L = std::strlen(getOption(i));
cout << " -" << getOption(i) << std::string(GlobalWidth-L-8, ' ')
<< " - " << getDescription(i) << "\n";
}
namespace {
class HelpPrinter {
- unsigned MaxArgLen;
+ size_t MaxArgLen;
const Option *EmptyArg;
const bool ShowHidden;
}
public:
- HelpPrinter(bool showHidden) : ShowHidden(showHidden) {
+ explicit HelpPrinter(bool showHidden) : ShowHidden(showHidden) {
EmptyArg = 0;
}
// Get all the options.
std::vector<Option*> PositionalOpts;
+ std::vector<Option*> SinkOpts;
std::map<std::string, Option*> OptMap;
- GetOptionInfo(PositionalOpts, OptMap);
-
+ GetOptionInfo(PositionalOpts, SinkOpts, OptMap);
+
// Copy Options into a vector so we can sort them as we like...
std::vector<std::pair<std::string, Option*> > Opts;
copy(OptMap.begin(), OptMap.end(), std::back_inserter(Opts));
}
if (ProgramOverview)
- cout << "OVERVIEW:" << ProgramOverview << "\n";
+ cout << "OVERVIEW: " << ProgramOverview << "\n";
cout << "USAGE: " << ProgramName << " [options]";
// Print out the positional options.
Option *CAOpt = 0; // The cl::ConsumeAfter option, if it exists...
- if (!PositionalOpts.empty() &&
+ if (!PositionalOpts.empty() &&
PositionalOpts[0]->getNumOccurrencesFlag() == ConsumeAfter)
CAOpt = PositionalOpts[0];
- for (unsigned i = CAOpt != 0, e = PositionalOpts.size(); i != e; ++i) {
+ for (size_t i = CAOpt != 0, e = PositionalOpts.size(); i != e; ++i) {
if (PositionalOpts[i]->ArgStr[0])
cout << " --" << PositionalOpts[i]->ArgStr;
cout << " " << PositionalOpts[i]->HelpStr;
// Compute the maximum argument length...
MaxArgLen = 0;
- for (unsigned i = 0, e = Opts.size(); i != e; ++i)
+ for (size_t i = 0, e = Opts.size(); i != e; ++i)
MaxArgLen = std::max(MaxArgLen, Opts[i].second->getOptionWidth());
cout << "OPTIONS:\n";
- for (unsigned i = 0, e = Opts.size(); i != e; ++i)
+ for (size_t i = 0, e = Opts.size(); i != e; ++i)
Opts[i].second->printOptionInfo(MaxArgLen);
// Print any extra help the user has declared.
cout << " with assertions";
#endif
cout << ".\n";
+ cout << " Built " << __DATE__ << "(" << __TIME__ << ").\n";
}
void operator=(bool OptionWasSpecified) {
if (OptionWasSpecified) {
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