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321 lines
8.6 KiB
321 lines
8.6 KiB
4 years ago
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/* ------------------------------------------------------------
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* Primitive type fragments and macros
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* ------------------------------------------------------------ */
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/*
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This file provide fragments and macros for the C/C++ primitive types.
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The file defines default fragments for the following types:
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bool
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signed char
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unsigned char
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signed wchar_t // in C++
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unsigned wchar_t // in C++
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short
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unsigned short
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int
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unsigned int
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float
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size_t
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ptrdiff_t
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which can always be redefined in the swig target languge if needed.
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The fragments for the following types, however, need to be defined
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in the target language always:
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long
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unsigned long
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long long
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unsigned long long
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double
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If they are not provided, an #error directive will appear in the
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wrapped code.
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--------------------------------------------------------------------
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This file provides the macro
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%typemaps_primitive(CheckCode, Type)
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which generate the typemaps for a primitive type with a given
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checkcode. It is assumed the the primitive type is 'normalized' and
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the corresponding SWIG_AsVal(Type) and SWIG_From(Type) methods are
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provided via fragments.
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The following auxiliar macros (explained with bash pseudo code) are
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also defined:
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%apply_ctypes(Macro)
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for i in C Type
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do
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Macro($i)
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done
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%apply_cpptypes(Macro)
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for i in C++ Type
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do
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Macro($i)
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done
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%apply_ctypes_2(Macro2)
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for i in C Type
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do
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for j in C Type
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do
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Macro_2($i, $j)
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done
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done
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%apply_cpptypes_2(Macro2)
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for i in C++ Type
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do
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for j in C++ Type
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do
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Macro_2($i, $j)
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done
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done
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%apply_checkctypes(Macro2)
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for i in Check Type
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do
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Macro2(%checkcode($i), $i)
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done
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*/
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/* ------------------------------------------------------------
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* Primitive type fragments
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* ------------------------------------------------------------ */
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/* boolean */
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%fragment(SWIG_From_frag(bool),"header",fragment=SWIG_From_frag(long)) {
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SWIGINTERN SWIG_Object
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SWIG_From_dec(bool)(bool value)
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{
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return SWIG_From(long)(value ? 1 : 0);
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}
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}
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%fragment(SWIG_AsVal_frag(bool),"header",fragment=SWIG_AsVal_frag(long)) {
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SWIGINTERN int
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SWIG_AsVal_dec(bool)(SWIG_Object obj, bool *val)
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{
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long v;
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int res = SWIG_AsVal(long)(obj, val ? &v : 0);
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if (SWIG_IsOK(res)) {
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if (val) *val = v ? true : false;
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return res;
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}
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return SWIG_TypeError;
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}
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}
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/* signed/unsigned char */
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%numeric_slong(signed char, "<limits.h>", SCHAR_MIN, SCHAR_MAX)
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%numeric_ulong(unsigned char, "<limits.h>", UCHAR_MAX)
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/* short/unsigned short */
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%numeric_slong(short, "<limits.h>", SHRT_MIN, SHRT_MAX)
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%numeric_ulong(unsigned short, "<limits.h>", USHRT_MAX)
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/* int/unsigned int */
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%numeric_slong(int, "<limits.h>", INT_MIN, INT_MAX)
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%numeric_ulong(unsigned int, "<limits.h>", UINT_MAX)
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/* signed/unsigned wchar_t */
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#ifdef __cplusplus
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%numeric_slong(signed wchar_t, "<wchar.h>", WCHAR_MIN, WCHAR_MAX)
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%numeric_ulong(unsigned wchar_t, "<wchar.h>", UWCHAR_MAX)
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#endif
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/* float */
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%numeric_double(float, "<float.h>", -FLT_MAX, FLT_MAX)
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/* long/unsgined long */
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%ensure_type_fragments(long)
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%ensure_type_fragments(unsigned long)
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/* long long/unsigned long long */
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%ensure_type_fragments(long long)
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%ensure_type_fragments(unsigned long long)
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/* double */
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%ensure_type_fragments(double)
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/* size_t */
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%fragment(SWIG_From_frag(size_t),"header",fragment=SWIG_From_frag(unsigned long)) {
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SWIGINTERNINLINE SWIG_Object
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SWIG_From_dec(size_t)(size_t value)
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{
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return SWIG_From(unsigned long)(%numeric_cast(value, unsigned long));
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}
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}
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%fragment(SWIG_AsVal_frag(size_t),"header",fragment=SWIG_AsVal_frag(unsigned long)) {
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SWIGINTERNINLINE int
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SWIG_AsVal_dec(size_t)(SWIG_Object obj, size_t *val)
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{
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unsigned long v;
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int res = SWIG_AsVal(unsigned long)(obj, val ? &v : 0);
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if (SWIG_IsOK(res) && val) *val = %numeric_cast(v, size_t);
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return res;
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}
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}
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/* ptrdiff_t */
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%fragment(SWIG_From_frag(ptrdiff_t),"header",fragment=SWIG_From_frag(long)) {
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SWIGINTERNINLINE SWIG_Object
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SWIG_From_dec(ptrdiff_t)(ptrdiff_t value)
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{
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return SWIG_From(long)(%numeric_cast(value,long));
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}
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}
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%fragment(SWIG_AsVal_frag(ptrdiff_t),"header",fragment=SWIG_AsVal_frag(long)) {
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SWIGINTERNINLINE int
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SWIG_AsVal_dec(ptrdiff_t)(SWIG_Object obj, ptrdiff_t *val)
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{
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long v;
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int res = SWIG_AsVal(long)(obj, val ? &v : 0);
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if (SWIG_IsOK(res) && val) *val = %numeric_cast(v, ptrdiff_t);
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return res;
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}
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}
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%fragment("SWIG_CanCastAsInteger","header",
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fragment=SWIG_AsVal_frag(double),
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fragment="<float.h>",
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fragment="<math.h>") {
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SWIGINTERNINLINE int
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SWIG_CanCastAsInteger(double *d, double min, double max) {
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double x = *d;
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if ((min <= x && x <= max)) {
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double fx = floor(x);
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double cx = ceil(x);
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double rd = ((x - fx) < 0.5) ? fx : cx; /* simple rint */
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if ((errno == EDOM) || (errno == ERANGE)) {
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errno = 0;
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} else {
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double summ, reps, diff;
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if (rd < x) {
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diff = x - rd;
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} else if (rd > x) {
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diff = rd - x;
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} else {
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return 1;
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}
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summ = rd + x;
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reps = diff/summ;
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if (reps < 8*DBL_EPSILON) {
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*d = rd;
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return 1;
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}
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}
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}
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return 0;
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}
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}
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/* ------------------------------------------------------------
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* Generate the typemaps for primitive type
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* ------------------------------------------------------------ */
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#define %typemaps_primitive(Code, Type) %typemaps_asvalfromn(%arg(Code), Type)
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/* ------------------------------------------------------------
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* Primitive Type Macros
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* ------------------------------------------------------------ */
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/* useful macros to derive typemap declarations from primitive types */
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%define _apply_macro(macro, arg2, arg1...)
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#if #arg1 != ""
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macro(%arg(arg1),arg2);
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#else
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macro(arg2);
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#endif
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%enddef
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/* Apply macro to the C-types */
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%define %apply_ctypes(Macro, Arg2...)
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_apply_macro(Macro, bool , Arg2);
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_apply_macro(Macro, signed char , Arg2);
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_apply_macro(Macro, unsigned char , Arg2);
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_apply_macro(Macro, short , Arg2);
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_apply_macro(Macro, unsigned short , Arg2);
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_apply_macro(Macro, int , Arg2);
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_apply_macro(Macro, unsigned int , Arg2);
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_apply_macro(Macro, long , Arg2);
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_apply_macro(Macro, unsigned long , Arg2);
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_apply_macro(Macro, long long , Arg2);
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_apply_macro(Macro, unsigned long long , Arg2);
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_apply_macro(Macro, float , Arg2);
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_apply_macro(Macro, double , Arg2);
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_apply_macro(Macro, char , Arg2);
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_apply_macro(Macro, wchar_t , Arg2);
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_apply_macro(Macro, size_t , Arg2);
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_apply_macro(Macro, ptrdiff_t , Arg2);
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%enddef
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/* apply the Macro2(Type1, Type2) to all C types */
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#define %apply_ctypes_2(Macro2) %apply_ctypes(%apply_ctypes, Macro2)
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/* apply the Macro(Type) to all C++ types */
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%define %apply_cpptypes(Macro, Arg2...)
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%apply_ctypes(Macro, Arg2)
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_apply_macro(Macro, std::size_t, Arg2);
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_apply_macro(Macro, std::ptrdiff_t, Arg2);
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_apply_macro(Macro, std::string, Arg2);
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_apply_macro(Macro, std::complex<float>, Arg2);
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_apply_macro(Macro, std::complex<double>, Arg2);
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%enddef
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/* apply the Macro2(Type1, Type2) to all C++ types */
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#define %apply_cpptypes_2(Macro2) %apply_cpptypes(%apply_cpptypes, Macro2)
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/* apply the Macro2(CheckCode,Type) to all Checked Types */
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%define %apply_checkctypes(Macro2)
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Macro2(%checkcode(BOOL), bool);
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Macro2(%checkcode(INT8), signed char);
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Macro2(%checkcode(UINT8), unsigned char);
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Macro2(%checkcode(INT16), short);
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Macro2(%checkcode(UINT16), unsigned short);
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Macro2(%checkcode(INT32), int);
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Macro2(%checkcode(UINT32), unsigned int);
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Macro2(%checkcode(INT64), long);
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Macro2(%checkcode(UINT64), unsigned long);
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Macro2(%checkcode(INT128), long long);
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Macro2(%checkcode(UINT128), unsigned long long);
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Macro2(%checkcode(FLOAT), float);
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Macro2(%checkcode(DOUBLE), double);
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Macro2(%checkcode(CHAR), char);
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Macro2(%checkcode(UNICHAR), wchar_t);
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Macro2(%checkcode(SIZE), size_t);
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Macro2(%checkcode(PTRDIFF), ptrdiff_t);
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%enddef
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/* ------------------------------------------------------------
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* Generate the typemaps for all the primitive types with checkcode
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* ------------------------------------------------------------ */
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%apply_checkctypes(%typemaps_primitive);
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