<winapifamily.h> 和“致命错误 C1012：不匹配的括号：缺少 ')'
<winapifamily.h> and "fatal error C1012: unmatched parenthesis : missing ')'
我正在尝试使用 Microsoft 的 <winapifamily.h> 和 WINAPI_FAMILY_PARTITION 宏。我使用 Visual Studio 工具菜单中的 VS2012 ARM 开发人员提示。当我在下面的代码中使用宏时：
#if defined(CRYPTOPP_WIN32_AVAILABLE) && defined(WINAPI_FAMILY)
# if !(WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
# undef SOCKETS_AVAILABLE
# endif
#endif
然后结果是：
cl.exe /nologo /W4 /D_MBCS /Zi /TP /EHsc /MD /DWINAPI_FAMILY=WINAPI_FAMILY_PHONE_APP /c wait.cpp
wait.cpp
c:\...\config.h(548) : fatal error C1012: unmatched parenthesis : missing ')'
NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 11.0
\VC\BIN\x86_ARM\cl.exe"' : return code '0x2'
第 548 行是 #if !(WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))。
删除 #if 块会立即清除括号不匹配的错误，但会导致其他地方出现大量与套接字相关的错误。所以我必须能够检测到 Windows 商店和 Windows Phone 应用程序并停用代码路径。
这个不匹配的括号到底在哪里，我该如何解决？
这是 <winapifamily.h> 中的相关内容。它来自 WIndows Phone 工具包。我相当确定我正在按预期使用它。
/*
* Windows APIs can be placed in a partition represented by one of the below bits. The
* WINAPI_FAMILY value determines which partitions are available to the client code.
*/
#define WINAPI_PARTITION_DESKTOP 0x00000001
#define WINAPI_PARTITION_APP 0x00000002
/*
* A family may be defined as the union of multiple families. WINAPI_FAMILY should be set
* to one of these values.
*/
#define WINAPI_FAMILY_APP WINAPI_PARTITION_APP
#define WINAPI_FAMILY_DESKTOP_APP (WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_APP)
/*
* A constant that specifies which code is available to the program's target runtime platform.
* By default we use the 'desktop app' family which places no restrictions on the API surface.
* To restrict the API surface to just the App API surface, define WINAPI_FAMILY to WINAPI_FAMILY_APP.
*/
#ifndef WINAPI_FAMILY
#define WINAPI_FAMILY WINAPI_FAMILY_DESKTOP_APP
#endif
/* Macro to determine if a partition is enabled */
#define WINAPI_FAMILY_PARTITION(Partition) ((WINAPI_FAMILY & Partition) == Partition)
/* Macro to determine if only one partition is enabled from a set */
#define WINAPI_FAMILY_ONE_PARTITION(PartitionSet, Partition) ((WINAPI_FAMILY & PartitionSet) == Partition)
/*
* Macro examples:
* The following examples are typical macro usage for enabling/restricting access to header code based
* on the target runtime platform. The examples assume a correct setting of the WINAPI_FAMILY macro.
*
* App programs:
* Explicitly set WINAPI_FAMILY to WINAPI_PARTITION_APP (cannot access DESKTOP partition)
* Desktop programs:
* Leave WINAPI_FAMILY set to the default above (currently WINAPI_FAMILY_DESKTOP_APP)
*
* Note: Other families and partitions may be added in the future.
*
*
* The WINAPI_FAMILY_PARTITION macro:
* Code-block is available to programs that have access to specified partition.
*
* Example: Available to App and Desktop programs
* #if WINAPI_FAMILY_PARTITION( WINAPI_PARTITION_APP )
*
* Example: Available to Desktop programs
* #if WINAPI_FAMILY_PARTITION( WINAPI_PARTITION_DESKTOP )
*
*
* The WINAPI_FAMILY_ONE_PARTITION macro:
* Code-block is available to programs that have access to specified parition, but not others in the partition set.
*
* Example: Available only to App programs
* #if WINAPI_FAMILY_ONE_PARTITION( WINAPI_FAMILY, WINAPI_PARTITION_APP )
*
* Example: Available only to Desktop programs
* #if WINAPI_FAMILY_ONE_PARTITION( WINAPI_FAMILY, WINAPI_PARTITION_DESKTOP )
*
* Example: Available to App, but not Desktop programs
* #if WINAPI_FAMILY_ONE_PARTITION( WINAPI_FAMILY_DESKTOP_APP, WINAPI_PARTITION_APP )
*/
默认情况下不包含 <winapifamily.h>。如果您不包含它（最好通过 #include，但 /FI 也是一个选项），那么预处理器将替换（未定义的）WINAPI_FAMILY_PARTITION 和 WINAPI_PARTITION_DESKTOP 为 0.这意味着
# if !(WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
等同于
# if !(0(0))
这不是有效的预处理表达式。可以通过指示 compiler/preprocessor 发出诊断来发现此类错误。 MSVC 有 C4668. It's a level 4 warning but off by default. So you have to enable it with /w44668. GCC has -Wundef.
我正在尝试使用 Microsoft 的 <winapifamily.h> 和 WINAPI_FAMILY_PARTITION 宏。我使用 Visual Studio 工具菜单中的 VS2012 ARM 开发人员提示。当我在下面的代码中使用宏时：
#if defined(CRYPTOPP_WIN32_AVAILABLE) && defined(WINAPI_FAMILY)
# if !(WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
# undef SOCKETS_AVAILABLE
# endif
#endif
然后结果是：
cl.exe /nologo /W4 /D_MBCS /Zi /TP /EHsc /MD /DWINAPI_FAMILY=WINAPI_FAMILY_PHONE_APP /c wait.cpp
wait.cpp
c:\...\config.h(548) : fatal error C1012: unmatched parenthesis : missing ')'
NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 11.0
\VC\BIN\x86_ARM\cl.exe"' : return code '0x2'
第 548 行是 #if !(WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))。
删除 #if 块会立即清除括号不匹配的错误，但会导致其他地方出现大量与套接字相关的错误。所以我必须能够检测到 Windows 商店和 Windows Phone 应用程序并停用代码路径。
这个不匹配的括号到底在哪里，我该如何解决？
这是 <winapifamily.h> 中的相关内容。它来自 WIndows Phone 工具包。我相当确定我正在按预期使用它。
/*
* Windows APIs can be placed in a partition represented by one of the below bits. The
* WINAPI_FAMILY value determines which partitions are available to the client code.
*/
#define WINAPI_PARTITION_DESKTOP 0x00000001
#define WINAPI_PARTITION_APP 0x00000002
/*
* A family may be defined as the union of multiple families. WINAPI_FAMILY should be set
* to one of these values.
*/
#define WINAPI_FAMILY_APP WINAPI_PARTITION_APP
#define WINAPI_FAMILY_DESKTOP_APP (WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_APP)
/*
* A constant that specifies which code is available to the program's target runtime platform.
* By default we use the 'desktop app' family which places no restrictions on the API surface.
* To restrict the API surface to just the App API surface, define WINAPI_FAMILY to WINAPI_FAMILY_APP.
*/
#ifndef WINAPI_FAMILY
#define WINAPI_FAMILY WINAPI_FAMILY_DESKTOP_APP
#endif
/* Macro to determine if a partition is enabled */
#define WINAPI_FAMILY_PARTITION(Partition) ((WINAPI_FAMILY & Partition) == Partition)
/* Macro to determine if only one partition is enabled from a set */
#define WINAPI_FAMILY_ONE_PARTITION(PartitionSet, Partition) ((WINAPI_FAMILY & PartitionSet) == Partition)
/*
* Macro examples:
* The following examples are typical macro usage for enabling/restricting access to header code based
* on the target runtime platform. The examples assume a correct setting of the WINAPI_FAMILY macro.
*
* App programs:
* Explicitly set WINAPI_FAMILY to WINAPI_PARTITION_APP (cannot access DESKTOP partition)
* Desktop programs:
* Leave WINAPI_FAMILY set to the default above (currently WINAPI_FAMILY_DESKTOP_APP)
*
* Note: Other families and partitions may be added in the future.
*
*
* The WINAPI_FAMILY_PARTITION macro:
* Code-block is available to programs that have access to specified partition.
*
* Example: Available to App and Desktop programs
* #if WINAPI_FAMILY_PARTITION( WINAPI_PARTITION_APP )
*
* Example: Available to Desktop programs
* #if WINAPI_FAMILY_PARTITION( WINAPI_PARTITION_DESKTOP )
*
*
* The WINAPI_FAMILY_ONE_PARTITION macro:
* Code-block is available to programs that have access to specified parition, but not others in the partition set.
*
* Example: Available only to App programs
* #if WINAPI_FAMILY_ONE_PARTITION( WINAPI_FAMILY, WINAPI_PARTITION_APP )
*
* Example: Available only to Desktop programs
* #if WINAPI_FAMILY_ONE_PARTITION( WINAPI_FAMILY, WINAPI_PARTITION_DESKTOP )
*
* Example: Available to App, but not Desktop programs
* #if WINAPI_FAMILY_ONE_PARTITION( WINAPI_FAMILY_DESKTOP_APP, WINAPI_PARTITION_APP )
*/
<winapifamily.h>。如果您不包含它（最好通过 #include，但 /FI 也是一个选项），那么预处理器将替换（未定义的）WINAPI_FAMILY_PARTITION 和 WINAPI_PARTITION_DESKTOP 为 0.这意味着
# if !(WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
等同于
# if !(0(0))
这不是有效的预处理表达式。可以通过指示 compiler/preprocessor 发出诊断来发现此类错误。 MSVC 有 C4668. It's a level 4 warning but off by default. So you have to enable it with /w44668. GCC has -Wundef.