add castmode in python and cleaning the castdispatch mechanism

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@8051 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Marcelo Matus 2005-12-23 09:22:17 +00:00
commit 5a76bc68fc
16 changed files with 461 additions and 101 deletions

View file

@ -15,7 +15,7 @@ SWIG_From_dec(long)(long value)
}
%fragment(SWIG_AsVal_frag(long),"header",
fragment=SWIG_AsVal_frag(double)) {
fragment="SWIG_CanCastAsInteger") {
SWIGINTERN int
SWIG_AsVal_dec(long)(SV *obj, long* val)
{
@ -34,25 +34,16 @@ SWIG_AsVal_dec(long)(SV *obj, long* val)
} else {
if (*endptr == '\0') {
if (val) *val = v;
return SWIG_AddCast(SWIG_OK);
return SWIG_CastRank(SWIG_OK);
}
}
}
if (!dispatch) {
double d;
int res = SWIG_AsVal(double)(obj,&d);
if (SWIG_IsOK(res)) {
if (LONG_MIN <= d && d <= LONG_MAX) {
double rd = rint(d);
if (errno) {
errno = 0;
} else {
if (rd == d) {
if (val) *val = (long)(rd);
return SWIG_AddCast(res);
}
}
}
int res = SWIG_CastRank(SWIG_AsVal(double)(obj,&d));
if (SWIG_IsOK(res) && SWIG_CanCastAsInteger(&d, LONG_MIN, LONG_MAX)) {
if (val) *val = (long)(d);
return res;
}
}
}
@ -74,7 +65,7 @@ SWIG_From_dec(unsigned long)(unsigned long value)
}
%fragment(SWIG_AsVal_frag(unsigned long),"header",
fragment=SWIG_AsVal_frag(double)) {
fragment="SWIG_CanCastAsInteger") {
SWIGINTERN int
SWIG_AsVal_dec(unsigned long)(SV *obj, unsigned long *val)
{
@ -101,29 +92,19 @@ SWIG_AsVal_dec(unsigned long)(SV *obj, unsigned long *val)
} else {
if (*endptr == '\0') {
if (val) *val = v;
return SWIG_AddCast(SWIG_OK);
return SWIG_CastRank(SWIG_OK);
}
}
}
if (!dispatch) {
double d;
int res = SWIG_AsVal(double)(obj,&d);
if (SWIG_IsOK(res) && (d >= 0)) {
if (d <= ULONG_MAX) {
double rd = rint(d);
if (errno) {
errno = 0;
} else {
if (rd == d) {
if (val) *val = (long)(rd);
return SWIG_AddCast(res);
}
}
}
int res = SWIG_CastRank(SWIG_AsVal(double)(obj,&d));
if (SWIG_IsOK(res) && SWIG_CanCastAsInteger(&d, 0, ULONG_MAX)) {
if (val) *val = (unsigned long)(d);
return res;
}
}
}
return SWIG_TypeError;
}
}
@ -149,8 +130,8 @@ SWIG_From_dec(long long)(long long value)
}
%fragment(SWIG_AsVal_frag(long long),"header",
fragment=SWIG_AsVal_frag(double),
fragment="<limits.h>") {
fragment="<limits.h>",
fragment="SWIG_CanCastAsInteger") {
SWIGINTERN int
SWIG_AsVal_dec(long long)(SV *obj, long long *val)
@ -170,25 +151,16 @@ SWIG_AsVal_dec(long long)(SV *obj, long long *val)
} else {
if (*endptr == '\0') {
if (val) *val = v;
return SWIG_AddCast(SWIG_OK);
return SWIG_CastRank(SWIG_OK);
}
}
}
if (!dispatch) {
double d;
int res = SWIG_AsVal(double)(obj,&d);
if (SWIG_IsOK(res)) {
if (LLONG_MIN <= d && d <= LLONG_MAX) {
double rd = rint(d);
if (errno) {
errno = 0;
} else {
if (rd == d) {
if (val) *val = (long long)(rd);
return SWIG_AddCast(res);
}
}
}
int res = SWIG_CastRank(SWIG_AsVal(double)(obj,&d));
if (SWIG_IsOK(res) && SWIG_CanCastAsInteger(&d, LLONG_MIN, LLONG_MAX)) {
if (val) *val = (long long)(d);
return res;
}
}
}
@ -217,8 +189,8 @@ SWIG_From_dec(unsigned long long)(unsigned long long value)
}
%fragment(SWIG_AsVal_frag(unsigned long long),"header",
fragment=SWIG_AsVal_frag(double),
fragment="<limits.h>") {
fragment="<limits.h>",
fragment="SWIG_CanCastAsInteger") {
SWIGINTERN int
SWIG_AsVal_dec(unsigned long long)(SV *obj, unsigned long long *val)
{
@ -237,25 +209,16 @@ SWIG_AsVal_dec(unsigned long long)(SV *obj, unsigned long long *val)
} else {
if (*endptr == '\0') {
if (val) *val = v;
return SWIG_AddCast(SWIG_OK);
return SWIG_CastRank(SWIG_OK);
}
}
}
if (!dispatch) {
double d;
int res = SWIG_AsVal(double)(obj,&d);
if (SWIG_IsOK(res) && (d >=0 )) {
if (d <= ULLONG_MAX) {
double rd = rint(d);
if (errno) {
errno = 0;
} else {
if (rd == d) {
if (val) *val = (unsigned long long)(rd);
return SWIG_AddCast(res);
}
}
}
int res = SWIG_CastRank(SWIG_AsVal(double)(obj,&d));
if (SWIG_IsOK(res) && SWIG_CanCastAsInteger(&d, 0, ULLONG_MAX)) {
if (val) *val = (unsigned long long)(d);
return res;
}
}
}
@ -283,8 +246,8 @@ SWIG_AsVal_dec(double)(SV *obj, double *val)
if (val) *val = SvNV(obj);
return SWIG_OK;
} else if (SvIOK(obj)) {
if (val) *val = SvIV(obj);
return SWIG_AddCast(SWIG_OK);
if (val) *val = (double) SvIV(obj);
return SWIG_CastRank(SWIG_OK);
} else {
const char *nptr = SvPV(obj, PL_na);
if (nptr) {
@ -296,7 +259,7 @@ SWIG_AsVal_dec(double)(SV *obj, double *val)
} else {
if (*endptr == '\0') {
if (val) *val = v;
return SWIG_AddCast(SWIG_OK);
return SWIG_CastRank(SWIG_OK);
}
}
}

View file

@ -32,11 +32,12 @@ SWIG_AsVal(Type) (PyObject *o, Type* val)
return SWIG_OK;
} else {
double d;
if (SWIG_AsVal(double)(o, &d) == SWIG_OK) {
int res = SWIG_CastRank(SWIG_AsVal(double)(o, &d));
if (SWIG_IsOK(res)) {
if (val) *val = Constructor(d, 0.0);
return SWIG_OK;
return res;
}
}
}
return SWIG_TypeError;
}
}
@ -61,10 +62,11 @@ SWIG_AsVal(Type)(PyObject *o, Type *val)
return SWIG_OverflowError;
}
} else {
float re;
if (SWIG_AsVal(float)(o, &re) == SWIG_OK) {
float re;
int res = SWIG_CastRank(SWIG_AsVal(float)(o, &re));
if (SWIG_IsOK(res)) {
if (val) *val = Constructor(re, 0.0);
return SWIG_OK;
return res;
}
}
return SWIG_TypeError;

View file

@ -27,8 +27,8 @@ SWIG_AsVal_dec(bool)(PyObject *obj, bool *val)
return SWIG_OK;
} else {
long v = 0;
int res = SWIG_AsVal(long)(obj, val ? &v : 0);
if (res == SWIG_OK && val) *val = v ? true : false;
int res = SWIG_CastRank(SWIG_AsVal(long)(obj, val ? &v : 0));
if (SWIG_IsOK(res) && val) *val = v ? true : false;
return res;
}
}
@ -41,7 +41,8 @@ SWIG_AsVal_dec(bool)(PyObject *obj, bool *val)
%define_as(SWIG_From_dec(long), PyInt_FromLong)
}
%fragment(SWIG_AsVal_frag(long),"header") {
%fragment(SWIG_AsVal_frag(long),"header",
fragment="SWIG_CanCastAsInteger") {
SWIGINTERN int
SWIG_AsVal_dec(long)(PyObject *obj, long* val)
{
@ -57,6 +58,26 @@ SWIG_AsVal_dec(long)(PyObject *obj, long* val)
PyErr_Clear();
}
}
%#ifdef SWIG_PYTHON_CAST_MODE
{
int dispatch = 0;
long v = PyInt_AsLong(obj);
if (!PyErr_Occurred()) {
if (val) *val = v;
return SWIG_CastRank(SWIG_OK);
} else {
PyErr_Clear();
}
if (!dispatch) {
double d;
int res = SWIG_CastRank(SWIG_AsVal(double)(obj,&d));
if (SWIG_IsOK(res) && SWIG_CanCastAsInteger(&d, LONG_MIN, LONG_MAX)) {
if (val) *val = (long)(d);
return res;
}
}
}
%#endif
return SWIG_TypeError;
}
}
@ -73,7 +94,8 @@ SWIG_From_dec(unsigned long)(unsigned long value)
}
}
%fragment(SWIG_AsVal_frag(unsigned long),"header") {
%fragment(SWIG_AsVal_frag(unsigned long),"header",
fragment="SWIG_CanCastAsInteger") {
SWIGINTERN int
SWIG_AsVal_dec(unsigned long)(PyObject *obj, unsigned long *val)
{
@ -94,6 +116,30 @@ SWIG_AsVal_dec(unsigned long)(PyObject *obj, unsigned long *val)
PyErr_Clear();
}
}
%#ifdef SWIG_PYTHON_CAST_MODE
{
int dispatch = 0;
long v = PyInt_AsLong(obj);
if (!PyErr_Occurred()) {
if (v >= 0) {
if (val) *val = v;
return SWIG_CastRank(SWIG_OK);
} else {
return SWIG_OverflowError;
}
} else {
PyErr_Clear();
}
if (!dispatch) {
double d;
int res = SWIG_CastRank(SWIG_AsVal(double)(obj,&d));
if (SWIG_IsOK(res) && SWIG_CanCastAsInteger(&d, 0, ULONG_MAX)) {
if (val) *val = (unsigned long)(d);
return res;
}
}
}
%#endif
return SWIG_TypeError;
}
}
@ -111,7 +157,9 @@ SWIG_From_dec(long long)(long long value)
}
}
%fragment(SWIG_AsVal_frag(long long),"header") {
%fragment(SWIG_AsVal_frag(long long),"header",
fragment="SWIG_CanCastAsInteger",
fragment="<limits.h>") {
SWIGINTERN int
SWIG_AsVal_dec(long long)(PyObject *obj, long long *val)
{
@ -127,6 +175,26 @@ SWIG_AsVal_dec(long long)(PyObject *obj, long long *val)
PyErr_Clear();
}
}
%#ifdef SWIG_PYTHON_CAST_MODE
{
int dispatch = 0;
long v = PyInt_AsLong(obj);
if (!PyErr_Occurred()) {
if (val) *val = v;
return SWIG_CastRank(SWIG_OK);
} else {
PyErr_Clear();
}
if (!dispatch) {
double d;
int res = SWIG_CastRank(SWIG_AsVal(double)(obj,&d));
if (SWIG_IsOK(res) && SWIG_CanCastAsInteger(&d, LLONG_MIN, LLONG_MAX)) {
if (val) *val = (long long)(d);
return res;
}
}
}
%#endif
return SWIG_TypeError;
}
}
@ -145,7 +213,9 @@ SWIG_From_dec(unsigned long long)(unsigned long long value)
}
%fragment(SWIG_AsVal_frag(unsigned long long),"header",
fragment=SWIG_AsVal_frag(unsigned long)) {
fragment=SWIG_AsVal_frag(unsigned long),
fragment="SWIG_CanCastAsInteger",
fragment="<limits.h>") {
SWIGINTERN int
SWIG_AsVal_dec(unsigned long long)(PyObject *obj, unsigned long long *val)
{
@ -160,9 +230,33 @@ SWIG_AsVal_dec(unsigned long long)(PyObject *obj, unsigned long long *val)
} else {
unsigned long v;
int res = SWIG_AsVal(unsigned long)(obj,&v);
if (res == SWIG_OK && val) *val = v;
if (SWIG_IsOK(res) && val) *val = v;
return res;
}
%#ifdef SWIG_PYTHON_CAST_MODE
{
int dispatch = 0;
long v = PyInt_AsLong(obj);
if (!PyErr_Occurred()) {
if (v >= 0) {
if (val) *val = v;
return SWIG_CastRank(SWIG_OK);
} else {
return SWIG_OverflowError;
}
} else {
PyErr_Clear();
}
if (!dispatch) {
double d;
int res = SWIG_CastRank(SWIG_AsVal(double)(obj,&d));
if (SWIG_IsOK(res) && SWIG_CanCastAsInteger(&d, 0, ULLONG_MAX)) {
if (val) *val = (unsigned long)(d);
return res;
}
}
}
%#endif
return SWIG_TypeError;
}
}
@ -192,6 +286,27 @@ SWIG_AsVal_dec(double)(PyObject *obj, double *val)
PyErr_Clear();
}
}
%#ifdef SWIG_PYTHON_CAST_MODE
{
int dispatch = 0;
double d = PyFloat_AsDouble(obj);
if (!PyErr_Occurred()) {
if (val) *val = d;
return SWIG_CastRank(SWIG_OK);
} else {
PyErr_Clear();
}
if (!dispatch) {
long v = PyInt_AsLong(obj);
if (!PyErr_Occurred()) {
if (val) *val = v;
return SWIG_CastRank(SWIG_CastRank(SWIG_OK));
} else {
PyErr_Clear();
}
}
}
%#endif
return SWIG_TypeError;
}
}

View file

@ -99,7 +99,7 @@ namespace swig {
struct traits_as<Type, value_category> {
static Type as(PyObject *obj, bool throw_error) {
Type v;
if (!obj || (asval(obj, &v) != SWIG_OK)) {
if (!obj || !SWIG_IsOK(asval(obj, &v))) {
if (!PyErr_Occurred()) {
%type_error(swig::type_name<Type>());
}
@ -160,7 +160,7 @@ namespace swig {
template <class Type>
struct traits_check<Type, value_category> {
static bool check(PyObject *obj) {
return obj && (asval(obj, (Type *)(0)) == SWIG_OK);
return obj && SWIG_IsOK(asval(obj, (Type *)(0)));
}
};

View file

@ -12,3 +12,4 @@
#define SWIG_AttributeError -11
#define SWIG_MemoryError -12

View file

@ -58,10 +58,17 @@
#define SWIG_ERROR -1
/* Flags to manage cast and return states */
#define SWIG_MAX_CAST_RANK 4
#ifndef SWIG_TypeRank
# define SWIG_TypeRank unsigned long
#endif
#ifndef SWIG_MAX_CAST_RANK
# define SWIG_MAX_CAST_RANK 2 /* Two cast allowed */
#endif
#define SWIG_IsOK(r) (r >= 0)
#define SWIG_AddCast(r) (SWIG_IsOK(r) ? (r + 1) : r)
#define SWIG_GetCastRank(r) (SWIG_IsOK(r) ? ((r < SWIG_MAX_CAST_RANK) ? (r + 1) : 0) : 0)
SWIGINTERNINLINE int
SWIG_CastRank(int r) {
return (SWIG_IsOK(r)) ? ((r < SWIG_MAX_CAST_RANK) ? (r + 1) : SWIG_ERROR) : r;
}
#include <string.h>

View file

@ -103,9 +103,9 @@ or you can use the %apply directive :
}
%typemap(typecheck,noblock=1,precedence=code,fragment=asval_frag) Type *INPUT, Type &INPUT {
void *ptr;
int res = asval_meth($input, 0);
int res = SWIG_CastRank(asval_meth($input, 0));
if (SWIG_IsOK(res)) {
$1 = SWIG_GetCastRank(res);
$1 = res;
} else {
$1 = %check_input_ptr($input,&ptr,$1_descriptor,0);
}

View file

@ -197,6 +197,40 @@ SWIG_AsVal_dec(ptrdiff_t)(SWIG_Object obj, ptrdiff_t *val)
}
}
%fragment("SWIG_CanCastAsInteger","header",
fragment=SWIG_AsVal_frag(double),
fragment="<float.h>",
fragment="<math.h>") {
SWIGINTERNINLINE int
SWIG_CanCastAsInteger(double *d, double min, double max) {
double x = *d;
if (min <= x && x <= max) {
%#ifndef SWIG_HAS_NO_RINT
/* Use the python mechanism to round, or so */
double rd = (x < 0) ? ceil(x) : floor(x);
%#else
double rd = rint(x);
%#endif
if ((errno == EDOM) || (errno == ERANGE)) {
errno = 0;
} else {
if (rd == x) {
return 1;
} else {
double diff = rd - x;
double summ = rd + x;
double reps = diff/summ;
if (fabs(reps) < 8*DBL_EPSILON) {
*d = rd;
return 1;
}
}
}
}
return 0;
}
}
/* ------------------------------------------------------------
* Generate the typemaps for primitive type
* ------------------------------------------------------------ */

View file

@ -161,8 +161,8 @@
%define %value_typecheck_typemap(check,asval_meth,frag,Type...)
%typemap(typecheck,noblock=1,precedence=check,fragment=frag) Type, const Type& {
int res = asval_meth($input, NULL);
$1 = SWIG_GetCastRank(res);
int res = SWIG_CastRank(asval_meth($input, NULL));
$1 = SWIG_IsOK(res) ? res : 0;
}
%enddef