diff options
Diffstat (limited to 'linux-x86/share/swig/csharp/arrays_csharp.i')
| -rw-r--r-- | linux-x86/share/swig/csharp/arrays_csharp.i | 37 |
1 files changed, 30 insertions, 7 deletions
diff --git a/linux-x86/share/swig/csharp/arrays_csharp.i b/linux-x86/share/swig/csharp/arrays_csharp.i index 861da83..00ded71 100644 --- a/linux-x86/share/swig/csharp/arrays_csharp.i +++ b/linux-x86/share/swig/csharp/arrays_csharp.i @@ -49,8 +49,17 @@ * %csmethodmodifiers myArrayCopy "public unsafe"; * void myArrayCopy( int *sourceArray, int* targetArray, int nitems ); * + * long type + * --------- + * Unlike other primitive types, the sizeof(long) varies considerably from one + * platform to another. The sizeof(long) in the unmanaged layer must match the + * number of bytes used in the managed layer. A check is implemented via the + * "long_check_wordsize" fragment which results in a compile time error upon an + * inconsistent match. Use the SWIGWORDSIZE64 macro to target 64-bit long. + * For easiest portability, avoid using long! * ----------------------------------------------------------------------------- */ + %define CSHARP_ARRAYS( CTYPE, CSTYPE ) // input only arrays @@ -94,16 +103,23 @@ CSHARP_ARRAYS(short, short) CSHARP_ARRAYS(unsigned short, ushort) CSHARP_ARRAYS(int, int) CSHARP_ARRAYS(unsigned int, uint) -// FIXME - on Unix 64 bit, long is 8 bytes but is 4 bytes on Windows 64 bit. -// How can this be handled sensibly? -// See e.g. http://www.xml.com/ldd/chapter/book/ch10.html -CSHARP_ARRAYS(long, int) -CSHARP_ARRAYS(unsigned long, uint) CSHARP_ARRAYS(long long, long) CSHARP_ARRAYS(unsigned long long, ulong) CSHARP_ARRAYS(float, float) CSHARP_ARRAYS(double, double) +// 32-bit/64-bit architecture specific typemaps - special handling to ensure sizeof(long) on C side matches size used on C# side +#if !defined(SWIGWORDSIZE64) +CSHARP_ARRAYS(long, int) +CSHARP_ARRAYS(unsigned long, uint) +#else +CSHARP_ARRAYS(long, long) +CSHARP_ARRAYS(unsigned long, ulong) +#endif +%typemap(in, fragment="long_check_wordsize") long INPUT[], unsigned long INPUT[] "$1 = $input;" +%typemap(in, fragment="long_check_wordsize") long OUTPUT[], unsigned long OUTPUT[] "$1 = $input;" +%typemap(in, fragment="long_check_wordsize") long INOUT[], unsigned long INOUT[] "$1 = $input;" + // By default C# will marshal bools as 4 bytes // UnmanagedType.I1 will change this to 1 byte // FIXME - When running on mono ArraySubType appears to be ignored and bools will be marshalled as 4-byte @@ -169,11 +185,18 @@ CSHARP_ARRAYS_FIXED(short, short) CSHARP_ARRAYS_FIXED(unsigned short, ushort) CSHARP_ARRAYS_FIXED(int, int) CSHARP_ARRAYS_FIXED(unsigned int, uint) -CSHARP_ARRAYS_FIXED(long, int) -CSHARP_ARRAYS_FIXED(unsigned long, uint) CSHARP_ARRAYS_FIXED(long long, long) CSHARP_ARRAYS_FIXED(unsigned long long, ulong) CSHARP_ARRAYS_FIXED(float, float) CSHARP_ARRAYS_FIXED(double, double) CSHARP_ARRAYS_FIXED(bool, bool) +// 32-bit/64-bit architecture specific typemaps - special handling to ensure sizeof(long) on C side matches size used on C# side +#ifdef !SWIGWORDSIZE64 +CSHARP_ARRAYS_FIXED(long, int) +CSHARP_ARRAYS_FIXED(unsigned long, uint) +#else +CSHARP_ARRAYS_FIXED(long, long) +CSHARP_ARRAYS_FIXED(unsigned long, ulong) +#endif +%typemap(in, fragment="long_check_wordsize") long FIXED[], unsigned long FIXED[] "$1 = $input;" |