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| 1 // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef BASE_FORMAT_MACROS_H_ |
| 6 #define BASE_FORMAT_MACROS_H_ |
| 7 |
| 8 // This file defines the format macros for some integer types. |
| 9 |
| 10 // To print a 64-bit value in a portable way: |
| 11 // int64_t value; |
| 12 // printf("xyz:%" PRId64, value); |
| 13 // The "d" in the macro corresponds to %d; you can also use PRIu64 etc. |
| 14 // |
| 15 // For wide strings, prepend "Wide" to the macro: |
| 16 // int64_t value; |
| 17 // StringPrintf(L"xyz: %" WidePRId64, value); |
| 18 // |
| 19 // To print a size_t value in a portable way: |
| 20 // size_t size; |
| 21 // printf("xyz: %" PRIuS, size); |
| 22 // The "u" in the macro corresponds to %u, and S is for "size". |
| 23 |
| 24 #include <stddef.h> |
| 25 #include <stdint.h> |
| 26 |
| 27 #include "src/base/build_config.h" |
| 28 |
| 29 #if defined(V8_OS_POSIX) && (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && \ |
| 30 !defined(PRId64) |
| 31 #error "inttypes.h has already been included before this header file, but " |
| 32 #error "without __STDC_FORMAT_MACROS defined." |
| 33 #endif |
| 34 |
| 35 #if defined(V8_OS_POSIX) && !defined(__STDC_FORMAT_MACROS) |
| 36 #define __STDC_FORMAT_MACROS |
| 37 #endif |
| 38 |
| 39 #include <inttypes.h> |
| 40 |
| 41 #if defined(V8_OS_POSIX) |
| 42 |
| 43 // GCC will concatenate wide and narrow strings correctly, so nothing needs to |
| 44 // be done here. |
| 45 #define WidePRId64 PRId64 |
| 46 #define WidePRIu64 PRIu64 |
| 47 #define WidePRIx64 PRIx64 |
| 48 |
| 49 #if !defined(PRIuS) |
| 50 #define PRIuS "zu" |
| 51 #endif |
| 52 |
| 53 // The size of NSInteger and NSUInteger varies between 32-bit and 64-bit |
| 54 // architectures and Apple does not provides standard format macros and |
| 55 // recommends casting. This has many drawbacks, so instead define macros |
| 56 // for formatting those types. |
| 57 #if defined(V8_OS_MACOSX) |
| 58 #if defined(V8_HOST_ARCH_64_BIT) |
| 59 #if !defined(PRIdNS) |
| 60 #define PRIdNS "ld" |
| 61 #endif |
| 62 #if !defined(PRIuNS) |
| 63 #define PRIuNS "lu" |
| 64 #endif |
| 65 #if !defined(PRIxNS) |
| 66 #define PRIxNS "lx" |
| 67 #endif |
| 68 #else // defined(V8_HOST_ARCH_64_BIT) |
| 69 #if !defined(PRIdNS) |
| 70 #define PRIdNS "d" |
| 71 #endif |
| 72 #if !defined(PRIuNS) |
| 73 #define PRIuNS "u" |
| 74 #endif |
| 75 #if !defined(PRIxNS) |
| 76 #define PRIxNS "x" |
| 77 #endif |
| 78 #endif |
| 79 #endif // defined(V8_OS_MACOSX) |
| 80 |
| 81 #else // V8_OS_WIN |
| 82 |
| 83 #if !defined(PRId64) || !defined(PRIu64) || !defined(PRIx64) |
| 84 #error "inttypes.h provided by win toolchain should define these." |
| 85 #endif |
| 86 |
| 87 #define WidePRId64 L"I64d" |
| 88 #define WidePRIu64 L"I64u" |
| 89 #define WidePRIx64 L"I64x" |
| 90 |
| 91 #if !defined(PRIuS) |
| 92 #define PRIuS "Iu" |
| 93 #endif |
| 94 |
| 95 #endif |
| 96 |
| 97 #endif // BASE_FORMAT_MACROS_H_ |
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