[rac] Temporarily copy libaddressinput to Chrome.

third_party/libaddressinput/chromium/cpp/include/libaddressinput/util/basictypes.h

Index: third_party/libaddressinput/chromium/cpp/include/libaddressinput/util/basictypes.h
diff --git a/third_party/libaddressinput/chromium/cpp/include/libaddressinput/util/basictypes.h b/third_party/libaddressinput/chromium/cpp/include/libaddressinput/util/basictypes.h
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+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// The original source code is from:
+// https://code.google.com/p/libphonenumber/source/browse/trunk/cpp/src/phonenumbers/base/basictypes.h?r=621
+
+#ifndef I18N_ADDRESSINPUT_UTIL_BASICTYPES_H_
+#define I18N_ADDRESSINPUT_UTIL_BASICTYPES_H_
+
+#include <limits.h>         // So we can set the bounds of our types
+#include <stddef.h>         // For size_t
+#include <string.h>         // for memcpy
+
+#if !defined(_WIN32)
+// stdint.h is part of C99 but MSVC doesn't have it.
+#include <stdint.h>         // For intptr_t.
+#endif
+
+#ifdef INT64_MAX
+
+// INT64_MAX is defined if C99 stdint.h is included; use the
+// native types if available.
+typedef int8_t int8;
+typedef int16_t int16;
+typedef int32_t int32;
+typedef int64_t int64;
+typedef uint8_t uint8;
+typedef uint16_t uint16;
+typedef uint32_t uint32;
+typedef uint64_t uint64;
+
+const uint8  kuint8max  = UINT8_MAX;
+const uint16 kuint16max = UINT16_MAX;
+const uint32 kuint32max = UINT32_MAX;
+const uint64 kuint64max = UINT64_MAX;
+const  int8  kint8min   = INT8_MIN;
+const  int8  kint8max   = INT8_MAX;
+const  int16 kint16min  = INT16_MIN;
+const  int16 kint16max  = INT16_MAX;
+const  int32 kint32min  = INT32_MIN;
+const  int32 kint32max  = INT32_MAX;
+const  int64 kint64min  = INT64_MIN;
+const  int64 kint64max  = INT64_MAX;
+
+#else // !INT64_MAX
+
+typedef signed char         int8;
+typedef short               int16;
+// TODO: Remove these type guards.  These are to avoid conflicts with
+// obsolete/protypes.h in the Gecko SDK.
+#ifndef _INT32
+#define _INT32
+typedef int                 int32;
+#endif
+
+// The NSPR system headers define 64-bit as |long| when possible.  In order to
+// not have typedef mismatches, we do the same on LP64.
+#if __LP64__
+typedef long                int64;
+#else
+typedef long long           int64;
+#endif
+
+// NOTE: unsigned types are DANGEROUS in loops and other arithmetical
+// places.  Use the signed types unless your variable represents a bit
+// pattern (eg a hash value) or you really need the extra bit.  Do NOT
+// use 'unsigned' to express "this value should always be positive";
+// use assertions for this.
+
+typedef unsigned char      uint8;
+typedef unsigned short     uint16;
+// TODO: Remove these type guards.  These are to avoid conflicts with
+// obsolete/protypes.h in the Gecko SDK.
+#ifndef _UINT32
+#define _UINT32
+typedef unsigned int       uint32;
+#endif
+
+// See the comment above about NSPR and 64-bit.
+#if __LP64__
+typedef unsigned long uint64;
+#else
+typedef unsigned long long uint64;
+#endif
+
+#endif // !INT64_MAX
+
+typedef signed char         schar;
+
+// A type to represent a Unicode code-point value. As of Unicode 4.0,
+// such values require up to 21 bits.
+// (For type-checking on pointers, make this explicitly signed,
+// and it should always be the signed version of whatever int32 is.)
+typedef signed int         char32;
+
+// A macro to disallow the copy constructor and operator= functions
+// This should be used in the private: declarations for a class
+#if !defined(DISALLOW_COPY_AND_ASSIGN)
+#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
+  TypeName(const TypeName&);               \
+  void operator=(const TypeName&)
+#endif
+
+// The arraysize(arr) macro returns the # of elements in an array arr.
+// The expression is a compile-time constant, and therefore can be
+// used in defining new arrays, for example.  If you use arraysize on
+// a pointer by mistake, you will get a compile-time error.
+//
+// One caveat is that arraysize() doesn't accept any array of an
+// anonymous type or a type defined inside a function.  In these rare
+// cases, you have to use the unsafe ARRAYSIZE_UNSAFE() macro below.  This is
+// due to a limitation in C++'s template system.  The limitation might
+// eventually be removed, but it hasn't happened yet.
+
+// This template function declaration is used in defining arraysize.
+// Note that the function doesn't need an implementation, as we only
+// use its type.
+template <typename T, size_t N>
+char (&ArraySizeHelper(T (&array)[N]))[N];
+
+// That gcc wants both of these prototypes seems mysterious. VC, for
+// its part, can't decide which to use (another mystery). Matching of
+// template overloads: the final frontier.
+#ifndef _MSC_VER
+template <typename T, size_t N>
+char (&ArraySizeHelper(const T (&array)[N]))[N];
+#endif
+
+#if !defined(arraysize)
+#define arraysize(array) (sizeof(ArraySizeHelper(array)))
+#endif
+
+// ARRAYSIZE_UNSAFE performs essentially the same calculation as arraysize,
+// but can be used on anonymous types or types defined inside
+// functions.  It's less safe than arraysize as it accepts some
+// (although not all) pointers.  Therefore, you should use arraysize
+// whenever possible.
+//
+// The expression ARRAYSIZE_UNSAFE(a) is a compile-time constant of type
+// size_t.
+//
+// ARRAYSIZE_UNSAFE catches a few type errors.  If you see a compiler error
+//
+//   "warning: division by zero in ..."
+//
+// when using ARRAYSIZE_UNSAFE, you are (wrongfully) giving it a pointer.
+// You should only use ARRAYSIZE_UNSAFE on statically allocated arrays.
+//
+// The following comments are on the implementation details, and can
+// be ignored by the users.
+//
+// ARRAYSIZE_UNSAFE(arr) works by inspecting sizeof(arr) (the # of bytes in
+// the array) and sizeof(*(arr)) (the # of bytes in one array
+// element).  If the former is divisible by the latter, perhaps arr is
+// indeed an array, in which case the division result is the # of
+// elements in the array.  Otherwise, arr cannot possibly be an array,
+// and we generate a compiler error to prevent the code from
+// compiling.
+//
+// Since the size of bool is implementation-defined, we need to cast
+// !(sizeof(a) & sizeof(*(a))) to size_t in order to ensure the final
+// result has type size_t.
+//
+// This macro is not perfect as it wrongfully accepts certain
+// pointers, namely where the pointer size is divisible by the pointee
+// size.  Since all our code has to go through a 32-bit compiler,
+// where a pointer is 4 bytes, this means all pointers to a type whose
+// size is 3 or greater than 4 will be (righteously) rejected.
+
+#if !defined(ARRAYSIZE_UNSAFE)
+#define ARRAYSIZE_UNSAFE(a) \
+  ((sizeof(a) / sizeof(*(a))) / \
+   static_cast<size_t>(!(sizeof(a) % sizeof(*(a)))))
+#endif
+
+// The COMPILE_ASSERT macro can be used to verify that a compile time
+// expression is true. For example, you could use it to verify the
+// size of a static array:
+//
+//   COMPILE_ASSERT(ARRAYSIZE_UNSAFE(content_type_names) == CONTENT_NUM_TYPES,
+//                  content_type_names_incorrect_size);
+//
+// or to make sure a struct is smaller than a certain size:
+//
+//   COMPILE_ASSERT(sizeof(foo) < 128, foo_too_large);
+//
+// The second argument to the macro is the name of the variable. If
+// the expression is false, most compilers will issue a warning/error
+// containing the name of the variable.
+
+template <bool>
+struct CompileAssert {
+};
+
+#if !defined(COMPILE_ASSERT)
+#define COMPILE_ASSERT(expr, msg) \
+  typedef CompileAssert<(bool(expr))> msg[bool(expr) ? 1 : -1]
+#endif
+
+#endif  // I18N_ADDRESSINPUT_UTIL_BASICTYPES_H_