#ifndef LLVM_SUPPORT_COMMANDLINE_H
#define LLVM_SUPPORT_COMMANDLINE_H
-#include "llvm/Support/type_traits.h"
-#include "llvm/Support/Compiler.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/Twine.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/type_traits.h"
#include <cassert>
#include <climits>
#include <cstdarg>
//===----------------------------------------------------------------------===//
// ParseCommandLineOptions - Command line option processing entry point.
//
-void ParseCommandLineOptions(int argc, char **argv,
- const char *Overview = 0,
- bool ReadResponseFiles = false);
+void ParseCommandLineOptions(int argc, const char * const *argv,
+ const char *Overview = 0);
//===----------------------------------------------------------------------===//
// ParseEnvironmentOptions - Environment variable option processing alternate
// entry point.
//
void ParseEnvironmentOptions(const char *progName, const char *envvar,
- const char *Overview = 0,
- bool ReadResponseFiles = false);
+ const char *Overview = 0);
///===---------------------------------------------------------------------===//
/// SetVersionPrinter - Override the default (LLVM specific) version printer
//
enum NumOccurrencesFlag { // Flags for the number of occurrences allowed
- Optional = 0x01, // Zero or One occurrence
- ZeroOrMore = 0x02, // Zero or more occurrences allowed
- Required = 0x03, // One occurrence required
- OneOrMore = 0x04, // One or more occurrences required
+ Optional = 0x00, // Zero or One occurrence
+ ZeroOrMore = 0x01, // Zero or more occurrences allowed
+ Required = 0x02, // One occurrence required
+ OneOrMore = 0x03, // One or more occurrences required
// ConsumeAfter - Indicates that this option is fed anything that follows the
// last positional argument required by the application (it is an error if
// found. Once a filename is found, all of the succeeding arguments are
// passed, unprocessed, to the ConsumeAfter option.
//
- ConsumeAfter = 0x05,
-
- OccurrencesMask = 0x07
+ ConsumeAfter = 0x04
};
enum ValueExpected { // Is a value required for the option?
- ValueOptional = 0x08, // The value can appear... or not
- ValueRequired = 0x10, // The value is required to appear!
- ValueDisallowed = 0x18, // A value may not be specified (for flags)
- ValueMask = 0x18
+ // zero reserved for the unspecified value
+ ValueOptional = 0x01, // The value can appear... or not
+ ValueRequired = 0x02, // The value is required to appear!
+ ValueDisallowed = 0x03 // A value may not be specified (for flags)
};
enum OptionHidden { // Control whether -help shows this option
- NotHidden = 0x20, // Option included in -help & -help-hidden
- Hidden = 0x40, // -help doesn't, but -help-hidden does
- ReallyHidden = 0x60, // Neither -help nor -help-hidden show this arg
- HiddenMask = 0x60
+ NotHidden = 0x00, // Option included in -help & -help-hidden
+ Hidden = 0x01, // -help doesn't, but -help-hidden does
+ ReallyHidden = 0x02 // Neither -help nor -help-hidden show this arg
};
// Formatting flags - This controls special features that the option might have
//
enum FormattingFlags {
- NormalFormatting = 0x000, // Nothing special
- Positional = 0x080, // Is a positional argument, no '-' required
- Prefix = 0x100, // Can this option directly prefix its value?
- Grouping = 0x180, // Can this option group with other options?
- FormattingMask = 0x180 // Union of the above flags.
+ NormalFormatting = 0x00, // Nothing special
+ Positional = 0x01, // Is a positional argument, no '-' required
+ Prefix = 0x02, // Can this option directly prefix its value?
+ Grouping = 0x03 // Can this option group with other options?
};
enum MiscFlags { // Miscellaneous flags to adjust argument
- CommaSeparated = 0x200, // Should this cl::list split between commas?
- PositionalEatsArgs = 0x400, // Should this positional cl::list eat -args?
- Sink = 0x800, // Should this cl::list eat all unknown options?
- MiscMask = 0xE00 // Union of the above flags.
+ CommaSeparated = 0x01, // Should this cl::list split between commas?
+ PositionalEatsArgs = 0x02, // Should this positional cl::list eat -args?
+ Sink = 0x04 // Should this cl::list eat all unknown options?
};
+//===----------------------------------------------------------------------===//
+// Option Category class
+//
+class OptionCategory {
+private:
+ const char *const Name;
+ const char *const Description;
+ void registerCategory();
+public:
+ OptionCategory(const char *const Name, const char *const Description = 0)
+ : Name(Name), Description(Description) { registerCategory(); }
+ const char *getName() { return Name; }
+ const char *getDescription() { return Description; }
+};
+// The general Option Category (used as default category).
+extern OptionCategory GeneralCategory;
//===----------------------------------------------------------------------===//
// Option Base class
virtual void anchor();
int NumOccurrences; // The number of times specified
- int Flags; // Flags for the argument
+ // Occurrences, HiddenFlag, and Formatting are all enum types but to avoid
+ // problems with signed enums in bitfields.
+ unsigned Occurrences : 3; // enum NumOccurrencesFlag
+ // not using the enum type for 'Value' because zero is an implementation
+ // detail representing the non-value
+ unsigned Value : 2;
+ unsigned HiddenFlag : 2; // enum OptionHidden
+ unsigned Formatting : 2; // enum FormattingFlags
+ unsigned Misc : 3;
unsigned Position; // Position of last occurrence of the option
unsigned AdditionalVals;// Greater than 0 for multi-valued option.
Option *NextRegistered; // Singly linked list of registered options.
+
public:
- const char *ArgStr; // The argument string itself (ex: "help", "o")
- const char *HelpStr; // The descriptive text message for -help
- const char *ValueStr; // String describing what the value of this option is
+ const char *ArgStr; // The argument string itself (ex: "help", "o")
+ const char *HelpStr; // The descriptive text message for -help
+ const char *ValueStr; // String describing what the value of this option is
+ OptionCategory *Category; // The Category this option belongs to
inline enum NumOccurrencesFlag getNumOccurrencesFlag() const {
- return static_cast<enum NumOccurrencesFlag>(Flags & OccurrencesMask);
+ return (enum NumOccurrencesFlag)Occurrences;
}
inline enum ValueExpected getValueExpectedFlag() const {
- int VE = Flags & ValueMask;
- return VE ? static_cast<enum ValueExpected>(VE)
+ return Value ? ((enum ValueExpected)Value)
: getValueExpectedFlagDefault();
}
inline enum OptionHidden getOptionHiddenFlag() const {
- return static_cast<enum OptionHidden>(Flags & HiddenMask);
+ return (enum OptionHidden)HiddenFlag;
}
inline enum FormattingFlags getFormattingFlag() const {
- return static_cast<enum FormattingFlags>(Flags & FormattingMask);
+ return (enum FormattingFlags)Formatting;
}
inline unsigned getMiscFlags() const {
- return Flags & MiscMask;
+ return Misc;
}
inline unsigned getPosition() const { return Position; }
inline unsigned getNumAdditionalVals() const { return AdditionalVals; }
void setArgStr(const char *S) { ArgStr = S; }
void setDescription(const char *S) { HelpStr = S; }
void setValueStr(const char *S) { ValueStr = S; }
-
- void setFlag(unsigned Flag, unsigned FlagMask) {
- Flags &= ~FlagMask;
- Flags |= Flag;
- }
-
void setNumOccurrencesFlag(enum NumOccurrencesFlag Val) {
- setFlag(Val, OccurrencesMask);
+ Occurrences = Val;
}
- void setValueExpectedFlag(enum ValueExpected Val) { setFlag(Val, ValueMask); }
- void setHiddenFlag(enum OptionHidden Val) { setFlag(Val, HiddenMask); }
- void setFormattingFlag(enum FormattingFlags V) { setFlag(V, FormattingMask); }
- void setMiscFlag(enum MiscFlags M) { setFlag(M, M); }
+ void setValueExpectedFlag(enum ValueExpected Val) { Value = Val; }
+ void setHiddenFlag(enum OptionHidden Val) { HiddenFlag = Val; }
+ void setFormattingFlag(enum FormattingFlags V) { Formatting = V; }
+ void setMiscFlag(enum MiscFlags M) { Misc |= M; }
void setPosition(unsigned pos) { Position = pos; }
+ void setCategory(OptionCategory &C) { Category = &C; }
protected:
- explicit Option(unsigned DefaultFlags)
- : NumOccurrences(0), Flags(DefaultFlags | NormalFormatting), Position(0),
- AdditionalVals(0), NextRegistered(0),
- ArgStr(""), HelpStr(""), ValueStr("") {
- assert(getNumOccurrencesFlag() != 0 &&
- getOptionHiddenFlag() != 0 && "Not all default flags specified!");
+ explicit Option(enum NumOccurrencesFlag OccurrencesFlag,
+ enum OptionHidden Hidden)
+ : NumOccurrences(0), Occurrences(OccurrencesFlag), Value(0),
+ HiddenFlag(Hidden), Formatting(NormalFormatting), Misc(0),
+ Position(0), AdditionalVals(0), NextRegistered(0),
+ ArgStr(""), HelpStr(""), ValueStr(""), Category(&GeneralCategory) {
}
inline void setNumAdditionalVals(unsigned n) { AdditionalVals = n; }
//
void addArgument();
+ /// Unregisters this option from the CommandLine system.
+ ///
+ /// This option must have been the last option registered.
+ /// For testing purposes only.
+ void removeArgument();
+
Option *getNextRegisteredOption() const { return NextRegistered; }
// Return the width of the option tag for printing...
template<class Ty>
LocationClass<Ty> location(Ty &L) { return LocationClass<Ty>(L); }
+// cat - Specifiy the Option category for the command line argument to belong
+// to.
+struct cat {
+ OptionCategory &Category;
+ cat(OptionCategory &c) : Category(c) {}
+
+ template<class Opt>
+ void apply(Opt &O) const { O.setCategory(Category); }
+};
+
//===----------------------------------------------------------------------===//
// OptionValue class
struct GenericOptionValue {
virtual ~GenericOptionValue() {}
virtual bool compare(const GenericOptionValue &V) const = 0;
+
+private:
+ virtual void anchor();
};
template<class DataType> struct OptionValue;
bool hasValue() const { return false; }
- const DataType &getValue() const { assert(false && "no default value"); }
+ const DataType &getValue() const { llvm_unreachable("no default value"); }
// Some options may take their value from a different data type.
template<class DT>
setValue(V);
return *this;
}
+private:
+ virtual void anchor();
};
template<>
setValue(V);
return *this;
}
+private:
+ virtual void anchor();
};
//===----------------------------------------------------------------------===//
template<class Opt>
void apply(Opt &O) const {
- for (unsigned i = 0, e = static_cast<unsigned>(Values.size());
- i != e; ++i)
+ for (size_t i = 0, e = Values.size(); i != e; ++i)
O.getParser().addLiteralOption(Values[i].first, Values[i].second.first,
Values[i].second.second);
}
else
ArgVal = ArgName;
- for (unsigned i = 0, e = static_cast<unsigned>(Values.size());
- i != e; ++i)
+ for (size_t i = 0, e = Values.size(); i != e; ++i)
if (Values[i].Name == ArgVal) {
V = Values[i].V.getValue();
return false;
// Make sure we initialize the value with the default constructor for the
// type.
- opt_storage() : Value(DataType()) {}
+ opt_storage() : Value(DataType()), Default(DataType()) {}
template<class T>
void setValue(const T &V, bool initial = false) {
// One option...
template<class M0t>
- explicit opt(const M0t &M0) : Option(Optional | NotHidden) {
+ explicit opt(const M0t &M0) : Option(Optional, NotHidden) {
apply(M0, this);
done();
}
// Two options...
template<class M0t, class M1t>
- opt(const M0t &M0, const M1t &M1) : Option(Optional | NotHidden) {
+ opt(const M0t &M0, const M1t &M1) : Option(Optional, NotHidden) {
apply(M0, this); apply(M1, this);
done();
}
// Three options...
template<class M0t, class M1t, class M2t>
opt(const M0t &M0, const M1t &M1,
- const M2t &M2) : Option(Optional | NotHidden) {
+ const M2t &M2) : Option(Optional, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this);
done();
}
// Four options...
template<class M0t, class M1t, class M2t, class M3t>
opt(const M0t &M0, const M1t &M1, const M2t &M2,
- const M3t &M3) : Option(Optional | NotHidden) {
+ const M3t &M3) : Option(Optional, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
done();
}
// Five options...
template<class M0t, class M1t, class M2t, class M3t, class M4t>
opt(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
- const M4t &M4) : Option(Optional | NotHidden) {
+ const M4t &M4) : Option(Optional, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this);
done();
template<class M0t, class M1t, class M2t, class M3t,
class M4t, class M5t>
opt(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
- const M4t &M4, const M5t &M5) : Option(Optional | NotHidden) {
+ const M4t &M4, const M5t &M5) : Option(Optional, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this);
done();
class M4t, class M5t, class M6t>
opt(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
const M4t &M4, const M5t &M5,
- const M6t &M6) : Option(Optional | NotHidden) {
+ const M6t &M6) : Option(Optional, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this); apply(M6, this);
done();
class M4t, class M5t, class M6t, class M7t>
opt(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
const M4t &M4, const M5t &M5, const M6t &M6,
- const M7t &M7) : Option(Optional | NotHidden) {
+ const M7t &M7) : Option(Optional, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this); apply(M6, this); apply(M7, this);
done();
// One option...
template<class M0t>
- explicit list(const M0t &M0) : Option(ZeroOrMore | NotHidden) {
+ explicit list(const M0t &M0) : Option(ZeroOrMore, NotHidden) {
apply(M0, this);
done();
}
// Two options...
template<class M0t, class M1t>
- list(const M0t &M0, const M1t &M1) : Option(ZeroOrMore | NotHidden) {
+ list(const M0t &M0, const M1t &M1) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this);
done();
}
// Three options...
template<class M0t, class M1t, class M2t>
list(const M0t &M0, const M1t &M1, const M2t &M2)
- : Option(ZeroOrMore | NotHidden) {
+ : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this);
done();
}
// Four options...
template<class M0t, class M1t, class M2t, class M3t>
list(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3)
- : Option(ZeroOrMore | NotHidden) {
+ : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
done();
}
// Five options...
template<class M0t, class M1t, class M2t, class M3t, class M4t>
list(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
- const M4t &M4) : Option(ZeroOrMore | NotHidden) {
+ const M4t &M4) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this);
done();
template<class M0t, class M1t, class M2t, class M3t,
class M4t, class M5t>
list(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
- const M4t &M4, const M5t &M5) : Option(ZeroOrMore | NotHidden) {
+ const M4t &M4, const M5t &M5) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this);
done();
class M4t, class M5t, class M6t>
list(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
const M4t &M4, const M5t &M5, const M6t &M6)
- : Option(ZeroOrMore | NotHidden) {
+ : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this); apply(M6, this);
done();
class M4t, class M5t, class M6t, class M7t>
list(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
const M4t &M4, const M5t &M5, const M6t &M6,
- const M7t &M7) : Option(ZeroOrMore | NotHidden) {
+ const M7t &M7) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this); apply(M6, this); apply(M7, this);
done();
typename ParserClass::parser_data_type();
if (Parser.parse(*this, ArgName, Arg, Val))
return true; // Parse Error!
- addValue(Val);
+ this->addValue(Val);
setPosition(pos);
Positions.push_back(pos);
return false;
// One option...
template<class M0t>
- explicit bits(const M0t &M0) : Option(ZeroOrMore | NotHidden) {
+ explicit bits(const M0t &M0) : Option(ZeroOrMore, NotHidden) {
apply(M0, this);
done();
}
// Two options...
template<class M0t, class M1t>
- bits(const M0t &M0, const M1t &M1) : Option(ZeroOrMore | NotHidden) {
+ bits(const M0t &M0, const M1t &M1) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this);
done();
}
// Three options...
template<class M0t, class M1t, class M2t>
bits(const M0t &M0, const M1t &M1, const M2t &M2)
- : Option(ZeroOrMore | NotHidden) {
+ : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this);
done();
}
// Four options...
template<class M0t, class M1t, class M2t, class M3t>
bits(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3)
- : Option(ZeroOrMore | NotHidden) {
+ : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
done();
}
// Five options...
template<class M0t, class M1t, class M2t, class M3t, class M4t>
bits(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
- const M4t &M4) : Option(ZeroOrMore | NotHidden) {
+ const M4t &M4) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this);
done();
template<class M0t, class M1t, class M2t, class M3t,
class M4t, class M5t>
bits(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
- const M4t &M4, const M5t &M5) : Option(ZeroOrMore | NotHidden) {
+ const M4t &M4, const M5t &M5) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this);
done();
class M4t, class M5t, class M6t>
bits(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
const M4t &M4, const M5t &M5, const M6t &M6)
- : Option(ZeroOrMore | NotHidden) {
+ : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this); apply(M6, this);
done();
class M4t, class M5t, class M6t, class M7t>
bits(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
const M4t &M4, const M5t &M5, const M6t &M6,
- const M7t &M7) : Option(ZeroOrMore | NotHidden) {
+ const M7t &M7) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this); apply(M6, this); apply(M7, this);
done();
class alias : public Option {
Option *AliasFor;
virtual bool handleOccurrence(unsigned pos, StringRef /*ArgName*/,
- StringRef Arg) {
+ StringRef Arg) LLVM_OVERRIDE {
return AliasFor->handleOccurrence(pos, AliasFor->ArgStr, Arg);
}
// Handle printing stuff...
- virtual size_t getOptionWidth() const;
- virtual void printOptionInfo(size_t GlobalWidth) const;
+ virtual size_t getOptionWidth() const LLVM_OVERRIDE;
+ virtual void printOptionInfo(size_t GlobalWidth) const LLVM_OVERRIDE;
// Aliases do not need to print their values.
- virtual void printOptionValue(size_t /*GlobalWidth*/, bool /*Force*/) const {}
+ virtual void printOptionValue(size_t /*GlobalWidth*/,
+ bool /*Force*/) const LLVM_OVERRIDE {}
+
+ virtual ValueExpected getValueExpectedFlagDefault() const LLVM_OVERRIDE {
+ return AliasFor->getValueExpectedFlag();
+ }
void done() {
if (!hasArgStr())
// One option...
template<class M0t>
- explicit alias(const M0t &M0) : Option(Optional | Hidden), AliasFor(0) {
+ explicit alias(const M0t &M0) : Option(Optional, Hidden), AliasFor(0) {
apply(M0, this);
done();
}
// Two options...
template<class M0t, class M1t>
- alias(const M0t &M0, const M1t &M1) : Option(Optional | Hidden), AliasFor(0) {
+ alias(const M0t &M0, const M1t &M1) : Option(Optional, Hidden), AliasFor(0) {
apply(M0, this); apply(M1, this);
done();
}
// Three options...
template<class M0t, class M1t, class M2t>
alias(const M0t &M0, const M1t &M1, const M2t &M2)
- : Option(Optional | Hidden), AliasFor(0) {
+ : Option(Optional, Hidden), AliasFor(0) {
apply(M0, this); apply(M1, this); apply(M2, this);
done();
}
// Four options...
template<class M0t, class M1t, class M2t, class M3t>
alias(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3)
- : Option(Optional | Hidden), AliasFor(0) {
+ : Option(Optional, Hidden), AliasFor(0) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
done();
}
};
void PrintVersionMessage();
-// This function just prints the help message, exactly the same way as if the
-// -help option had been given on the command line.
-// NOTE: THIS FUNCTION TERMINATES THE PROGRAM!
-void PrintHelpMessage();
+
+/// This function just prints the help message, exactly the same way as if the
+/// -help or -help-hidden option had been given on the command line.
+///
+/// NOTE: THIS FUNCTION TERMINATES THE PROGRAM!
+///
+/// \param Hidden if true will print hidden options
+/// \param Categorized if true print options in categories
+void PrintHelpMessage(bool Hidden=false, bool Categorized=false);
+
+
+//===----------------------------------------------------------------------===//
+// Public interface for accessing registered options.
+//
+
+/// \brief Use this to get a StringMap to all registered named options
+/// (e.g. -help). Note \p Map Should be an empty StringMap.
+///
+/// \param [out] Map will be filled with mappings where the key is the
+/// Option argument string (e.g. "help") and value is the corresponding
+/// Option*.
+///
+/// Access to unnamed arguments (i.e. positional) are not provided because
+/// it is expected that the client already has access to these.
+///
+/// Typical usage:
+/// \code
+/// main(int argc,char* argv[]) {
+/// StringMap<llvm::cl::Option*> opts;
+/// llvm::cl::getRegisteredOptions(opts);
+/// assert(opts.count("help") == 1)
+/// opts["help"]->setDescription("Show alphabetical help information")
+/// // More code
+/// llvm::cl::ParseCommandLineOptions(argc,argv);
+/// //More code
+/// }
+/// \endcode
+///
+/// This interface is useful for modifying options in libraries that are out of
+/// the control of the client. The options should be modified before calling
+/// llvm::cl::ParseCommandLineOptions().
+void getRegisteredOptions(StringMap<Option*> &Map);
+
+//===----------------------------------------------------------------------===//
+// Standalone command line processing utilities.
+//
+
+/// \brief Saves strings in the inheritor's stable storage and returns a stable
+/// raw character pointer.
+class StringSaver {
+ virtual void anchor();
+public:
+ virtual const char *SaveString(const char *Str) = 0;
+ virtual ~StringSaver() {}; // Pacify -Wnon-virtual-dtor.
+};
+
+/// \brief Tokenizes a command line that can contain escapes and quotes.
+//
+/// The quoting rules match those used by GCC and other tools that use
+/// libiberty's buildargv() or expandargv() utilities, and do not match bash.
+/// They differ from buildargv() on treatment of backslashes that do not escape
+/// a special character to make it possible to accept most Windows file paths.
+///
+/// \param [in] Source The string to be split on whitespace with quotes.
+/// \param [in] Saver Delegates back to the caller for saving parsed strings.
+/// \param [out] NewArgv All parsed strings are appended to NewArgv.
+void TokenizeGNUCommandLine(StringRef Source, StringSaver &Saver,
+ SmallVectorImpl<const char *> &NewArgv);
+
+/// \brief Tokenizes a Windows command line which may contain quotes and escaped
+/// quotes.
+///
+/// See MSDN docs for CommandLineToArgvW for information on the quoting rules.
+/// http://msdn.microsoft.com/en-us/library/windows/desktop/17w5ykft(v=vs.85).aspx
+///
+/// \param [in] Source The string to be split on whitespace with quotes.
+/// \param [in] Saver Delegates back to the caller for saving parsed strings.
+/// \param [out] NewArgv All parsed strings are appended to NewArgv.
+void TokenizeWindowsCommandLine(StringRef Source, StringSaver &Saver,
+ SmallVectorImpl<const char *> &NewArgv);
+
+/// \brief String tokenization function type. Should be compatible with either
+/// Windows or Unix command line tokenizers.
+typedef void (*TokenizerCallback)(StringRef Source, StringSaver &Saver,
+ SmallVectorImpl<const char *> &NewArgv);
+
+/// \brief Expand response files on a command line recursively using the given
+/// StringSaver and tokenization strategy. Argv should contain the command line
+/// before expansion and will be modified in place.
+///
+/// \param [in] Saver Delegates back to the caller for saving parsed strings.
+/// \param [in] Tokenizer Tokenization strategy. Typically Unix or Windows.
+/// \param [in,out] Argv Command line into which to expand response files.
+/// \return true if all @files were expanded successfully or there were none.
+bool ExpandResponseFiles(StringSaver &Saver, TokenizerCallback Tokenizer,
+ SmallVectorImpl<const char *> &Argv);
} // End namespace cl
projects / oota-llvm.git / blobdiff