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//===--- ArgList.h - Argument List Management ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef CLANG_DRIVER_ARGLIST_H_
#define CLANG_DRIVER_ARGLIST_H_
#include "clang/Driver/Options.h"
#include "clang/Driver/Util.h"
#include "llvm/ADT/SmallVector.h"
namespace clang {
namespace driver {
class Arg;
/// ArgList - Ordered collection of driver arguments.
///
/// The ArgList class manages a list of Arg instances as well as
/// auxiliary data and convenience methods to allow Tools to quickly
/// check for the presence of Arg instances for a particular Option
/// and to iterate over groups of arguments.
class ArgList {
public:
typedef llvm::SmallVector<Arg*, 16> arglist_type;
typedef arglist_type::iterator iterator;
typedef arglist_type::const_iterator const_iterator;
private:
/// List of argument strings used by the contained Args.
ArgStringList ArgStrings;
/// The full list of arguments.
arglist_type Args;
public:
ArgList(const char **ArgBegin, const char **ArgEnd);
ArgList(const ArgList &);
~ArgList();
unsigned size() const { return Args.size(); }
iterator begin() { return Args.begin(); }
iterator end() { return Args.end(); }
const_iterator begin() const { return Args.begin(); }
const_iterator end() const { return Args.end(); }
/// append - Append \arg A to the arg list, taking ownership.
void append(Arg *A);
/// getArgString - Return the input argument string at \arg Index.
const char *getArgString(unsigned Index) const { return ArgStrings[Index]; }
/// hasArg - Does the arg list contain any option matching \arg Id.
bool hasArg(options::ID Id) const { return getLastArg(Id) != 0; }
/// getLastArg - Return the last argument matching \arg Id, or null.
Arg *getLastArg(options::ID Id) const;
};
} // end namespace driver
} // end namespace clang
#endif
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