freebsd-dev/include/llvm/ADT/VectorExtras.h
2009-06-02 17:52:33 +00:00

42 lines
1.1 KiB
C++

//===-- llvm/ADT/VectorExtras.h - Helpers for std::vector -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains helper functions which are useful for working with the
// std::vector class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ADT_VECTOREXTRAS_H
#define LLVM_ADT_VECTOREXTRAS_H
#include <cstdarg>
#include <vector>
namespace llvm {
/// make_vector - Helper function which is useful for building temporary vectors
/// to pass into type construction of CallInst ctors. This turns a null
/// terminated list of pointers (or other value types) into a real live vector.
///
template<typename T>
inline std::vector<T> make_vector(T A, ...) {
va_list Args;
va_start(Args, A);
std::vector<T> Result;
Result.push_back(A);
while (T Val = va_arg(Args, T))
Result.push_back(Val);
va_end(Args);
return Result;
}
} // End llvm namespace
#endif