swig/Lib/common.swg
Dave Beazley 12a43edc2d The great merge
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@4141 626c5289-ae23-0410-ae9c-e8d60b6d4f22
2002-11-30 22:01:28 +00:00

206 lines
5.4 KiB
Text

/***********************************************************************
* common.swg
*
* This file contains generic SWIG runtime support for pointer
* type checking as well as a few commonly used macros to control
* external linkage.
*
* Author : David Beazley (beazley@cs.uchicago.edu)
*
* Copyright (c) 1999-2000, The University of Chicago
*
* This file may be freely redistributed without license or fee provided
* this copyright message remains intact.
************************************************************************/
#include <string.h>
#if defined(_WIN32) || defined(__WIN32__)
# if defined(_MSC_VER)
# if defined(STATIC_LINKED)
# define SWIGEXPORT(a) a
# define SWIGIMPORT(a) extern a
# else
# define SWIGEXPORT(a) __declspec(dllexport) a
# define SWIGIMPORT(a) extern a
# endif
# else
# if defined(__BORLANDC__)
# define SWIGEXPORT(a) a _export
# define SWIGIMPORT(a) a _export
# else
# define SWIGEXPORT(a) a
# define SWIGIMPORT(a) a
# endif
# endif
#else
# define SWIGEXPORT(a) a
# define SWIGIMPORT(a) a
#endif
#ifdef SWIG_GLOBAL
#define SWIGRUNTIME(a) SWIGEXPORT(a)
#else
#define SWIGRUNTIME(a) static a
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef void *(*swig_converter_func)(void *);
typedef struct swig_type_info *(*swig_dycast_func)(void **);
typedef struct swig_type_info {
const char *name;
swig_converter_func converter;
const char *str;
void *clientdata;
swig_dycast_func dcast;
struct swig_type_info *next;
struct swig_type_info *prev;
} swig_type_info;
#ifdef SWIG_NOINCLUDE
SWIGIMPORT(swig_type_info *) SWIG_TypeRegister(swig_type_info *);
SWIGIMPORT(swig_type_info *) SWIG_TypeCheck(char *c, swig_type_info *);
SWIGIMPORT(void *) SWIG_TypeCast(swig_type_info *, void *);
SWIGIMPORT(swig_type_info *) SWIG_TypeDynamicCast(swig_type_info *, void **);
SWIGIMPORT(const char *) SWIG_TypeName(const swig_type_info *);
SWIGIMPORT(swig_type_info *) SWIG_TypeQuery(const char *);
SWIGIMPORT(void) SWIG_TypeClientData(swig_type_info *, void *);
#else
static swig_type_info *swig_type_list = 0;
/* Register a type mapping with the type-checking */
SWIGRUNTIME(swig_type_info *)
SWIG_TypeRegister(swig_type_info *ti)
{
swig_type_info *tc, *head, *ret, *next;
/* Check to see if this type has already been registered */
tc = swig_type_list;
while (tc) {
if (strcmp(tc->name, ti->name) == 0) {
/* Already exists in the table. Just add additional types to the list */
if (tc->clientdata) ti->clientdata = tc->clientdata;
head = tc;
next = tc->next;
goto l1;
}
tc = tc->prev;
}
head = ti;
next = 0;
/* Place in list */
ti->prev = swig_type_list;
swig_type_list = ti;
/* Build linked lists */
l1:
ret = head;
tc = ti + 1;
/* Patch up the rest of the links */
while (tc->name) {
head->next = tc;
tc->prev = head;
head = tc;
tc++;
}
head->next = next;
return ret;
}
/* Check the typename */
SWIGRUNTIME(swig_type_info *)
SWIG_TypeCheck(char *c, swig_type_info *ty)
{
swig_type_info *s;
if (!ty) return 0; /* Void pointer */
s = ty->next; /* First element always just a name */
do {
if (strcmp(s->name,c) == 0) {
if (s == ty->next) return s;
/* Move s to the top of the linked list */
s->prev->next = s->next;
if (s->next) {
s->next->prev = s->prev;
}
/* Insert s as second element in the list */
s->next = ty->next;
if (ty->next) ty->next->prev = s;
ty->next = s;
return s;
}
s = s->next;
} while (s && (s != ty->next));
return 0;
}
/* Cast a pointer up an inheritance hierarchy */
SWIGRUNTIME(void *)
SWIG_TypeCast(swig_type_info *ty, void *ptr)
{
if ((!ty) || (!ty->converter)) return ptr;
return (*ty->converter)(ptr);
}
/* Dynamic pointer casting. Down an inheritance hierarchy */
SWIGRUNTIME(swig_type_info *)
SWIG_TypeDynamicCast(swig_type_info *ty, void **ptr)
{
swig_type_info *lastty = ty;
if (!ty || !ty->dcast) return ty;
while (ty && (ty->dcast)) {
ty = (*ty->dcast)(ptr);
if (ty) lastty = ty;
}
return lastty;
}
/* Return the name associated with this type */
SWIGRUNTIME(const char *)
SWIG_TypeName(const swig_type_info *ty) {
return ty->name;
}
/* Search for a swig_type_info structure */
SWIGRUNTIME(swig_type_info *)
SWIG_TypeQuery(const char *name) {
swig_type_info *ty = swig_type_list;
while (ty) {
if (ty->str && (strcmp(name,ty->str) == 0)) return ty;
if (ty->name && (strcmp(name,ty->name) == 0)) return ty;
ty = ty->prev;
}
return 0;
}
/* Set the clientdata field for a type */
SWIGRUNTIME(void)
SWIG_TypeClientData(swig_type_info *ti, void *clientdata) {
swig_type_info *tc, *equiv;
if (ti->clientdata == clientdata) return;
ti->clientdata = clientdata;
equiv = ti->next;
while (equiv) {
if (!equiv->converter) {
tc = swig_type_list;
while (tc) {
if ((strcmp(tc->name, equiv->name) == 0))
SWIG_TypeClientData(tc,clientdata);
tc = tc->prev;
}
}
equiv = equiv->next;
}
}
#endif
#ifdef __cplusplus
}
#endif