llvm-6502/include/Support/VectorExtras.h
2003-11-11 22:41:34 +00:00

41 lines
1.2 KiB
C++

//===-- VectorExtras.h - Helper functions for std::vector -------*- C++ -*-===//
//
// 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 contains helper functions which are useful for working with the
// std::vector class.
//
//===----------------------------------------------------------------------===//
#ifndef SUPPORT_VECTOREXTRAS_H
#define SUPPORT_VECTOREXTRAS_H
#include <cstdarg>
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