mirror of
https://github.com/nillerusr/source-engine.git
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1
This commit is contained in:
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/* -----------------------------------------------------------------------------
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* Type initialization:
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* This problem is tough by the requirement that no dynamic
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* memory is used. Also, since swig_type_info structures store pointers to
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* swig_cast_info structures and swig_cast_info structures store pointers back
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* to swig_type_info structures, we need some lookup code at initialization.
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* The idea is that swig generates all the structures that are needed.
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* The runtime then collects these partially filled structures.
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* The SWIG_InitializeModule function takes these initial arrays out of
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* swig_module, and does all the lookup, filling in the swig_module.types
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* array with the correct data and linking the correct swig_cast_info
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* structures together.
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*
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* The generated swig_type_info structures are assigned staticly to an initial
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* array. We just loop through that array, and handle each type individually.
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* First we lookup if this type has been already loaded, and if so, use the
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* loaded structure instead of the generated one. Then we have to fill in the
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* cast linked list. The cast data is initially stored in something like a
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* two-dimensional array. Each row corresponds to a type (there are the same
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* number of rows as there are in the swig_type_initial array). Each entry in
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* a column is one of the swig_cast_info structures for that type.
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* The cast_initial array is actually an array of arrays, because each row has
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* a variable number of columns. So to actually build the cast linked list,
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* we find the array of casts associated with the type, and loop through it
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* adding the casts to the list. The one last trick we need to do is making
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* sure the type pointer in the swig_cast_info struct is correct.
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*
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* First off, we lookup the cast->type name to see if it is already loaded.
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* There are three cases to handle:
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* 1) If the cast->type has already been loaded AND the type we are adding
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* casting info to has not been loaded (it is in this module), THEN we
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* replace the cast->type pointer with the type pointer that has already
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* been loaded.
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* 2) If BOTH types (the one we are adding casting info to, and the
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* cast->type) are loaded, THEN the cast info has already been loaded by
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* the previous module so we just ignore it.
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* 3) Finally, if cast->type has not already been loaded, then we add that
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* swig_cast_info to the linked list (because the cast->type) pointer will
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* be correct.
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* ----------------------------------------------------------------------------- */
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#ifdef __cplusplus
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extern "C" {
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#if 0
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} /* c-mode */
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#endif
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#endif
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#if 0
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#define SWIGRUNTIME_DEBUG
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#endif
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SWIGRUNTIME void
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SWIG_InitializeModule(void *clientdata) {
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size_t i;
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swig_module_info *module_head, *iter;
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int found, init;
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clientdata = clientdata;
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/* check to see if the circular list has been setup, if not, set it up */
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if (swig_module.next==0) {
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/* Initialize the swig_module */
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swig_module.type_initial = swig_type_initial;
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swig_module.cast_initial = swig_cast_initial;
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swig_module.next = &swig_module;
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init = 1;
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} else {
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init = 0;
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}
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/* Try and load any already created modules */
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module_head = SWIG_GetModule(clientdata);
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if (!module_head) {
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/* This is the first module loaded for this interpreter */
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/* so set the swig module into the interpreter */
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SWIG_SetModule(clientdata, &swig_module);
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module_head = &swig_module;
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} else {
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/* the interpreter has loaded a SWIG module, but has it loaded this one? */
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found=0;
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iter=module_head;
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do {
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if (iter==&swig_module) {
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found=1;
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break;
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}
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iter=iter->next;
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} while (iter!= module_head);
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/* if the is found in the list, then all is done and we may leave */
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if (found) return;
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/* otherwise we must add out module into the list */
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swig_module.next = module_head->next;
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module_head->next = &swig_module;
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}
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/* When multiple interpeters are used, a module could have already been initialized in
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a different interpreter, but not yet have a pointer in this interpreter.
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In this case, we do not want to continue adding types... everything should be
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set up already */
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if (init == 0) return;
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/* Now work on filling in swig_module.types */
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#ifdef SWIGRUNTIME_DEBUG
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printf("SWIG_InitializeModule: size %d\n", swig_module.size);
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#endif
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for (i = 0; i < swig_module.size; ++i) {
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swig_type_info *type = 0;
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swig_type_info *ret;
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swig_cast_info *cast;
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#ifdef SWIGRUNTIME_DEBUG
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printf("SWIG_InitializeModule: type %d %s\n", i, swig_module.type_initial[i]->name);
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#endif
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/* if there is another module already loaded */
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if (swig_module.next != &swig_module) {
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type = SWIG_MangledTypeQueryModule(swig_module.next, &swig_module, swig_module.type_initial[i]->name);
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}
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if (type) {
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/* Overwrite clientdata field */
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#ifdef SWIGRUNTIME_DEBUG
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printf("SWIG_InitializeModule: found type %s\n", type->name);
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#endif
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if (swig_module.type_initial[i]->clientdata) {
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type->clientdata = swig_module.type_initial[i]->clientdata;
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#ifdef SWIGRUNTIME_DEBUG
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printf("SWIG_InitializeModule: found and overwrite type %s \n", type->name);
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#endif
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}
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} else {
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type = swig_module.type_initial[i];
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}
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/* Insert casting types */
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cast = swig_module.cast_initial[i];
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while (cast->type) {
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/* Don't need to add information already in the list */
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ret = 0;
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#ifdef SWIGRUNTIME_DEBUG
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printf("SWIG_InitializeModule: look cast %s\n", cast->type->name);
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#endif
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if (swig_module.next != &swig_module) {
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ret = SWIG_MangledTypeQueryModule(swig_module.next, &swig_module, cast->type->name);
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#ifdef SWIGRUNTIME_DEBUG
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if (ret) printf("SWIG_InitializeModule: found cast %s\n", ret->name);
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#endif
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}
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if (ret) {
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if (type == swig_module.type_initial[i]) {
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#ifdef SWIGRUNTIME_DEBUG
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printf("SWIG_InitializeModule: skip old type %s\n", ret->name);
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#endif
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cast->type = ret;
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ret = 0;
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} else {
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/* Check for casting already in the list */
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swig_cast_info *ocast = SWIG_TypeCheck(ret->name, type);
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#ifdef SWIGRUNTIME_DEBUG
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if (ocast) printf("SWIG_InitializeModule: skip old cast %s\n", ret->name);
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#endif
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if (!ocast) ret = 0;
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}
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}
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if (!ret) {
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#ifdef SWIGRUNTIME_DEBUG
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printf("SWIG_InitializeModule: adding cast %s\n", cast->type->name);
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#endif
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if (type->cast) {
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type->cast->prev = cast;
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cast->next = type->cast;
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}
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type->cast = cast;
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}
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cast++;
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}
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/* Set entry in modules->types array equal to the type */
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swig_module.types[i] = type;
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}
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swig_module.types[i] = 0;
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#ifdef SWIGRUNTIME_DEBUG
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printf("**** SWIG_InitializeModule: Cast List ******\n");
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for (i = 0; i < swig_module.size; ++i) {
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int j = 0;
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swig_cast_info *cast = swig_module.cast_initial[i];
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printf("SWIG_InitializeModule: type %d %s\n", i, swig_module.type_initial[i]->name);
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while (cast->type) {
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printf("SWIG_InitializeModule: cast type %s\n", cast->type->name);
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cast++;
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++j;
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}
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printf("---- Total casts: %d\n",j);
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}
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printf("**** SWIG_InitializeModule: Cast List ******\n");
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#endif
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}
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/* This function will propagate the clientdata field of type to
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* any new swig_type_info structures that have been added into the list
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* of equivalent types. It is like calling
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* SWIG_TypeClientData(type, clientdata) a second time.
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*/
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SWIGRUNTIME void
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SWIG_PropagateClientData(void) {
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size_t i;
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swig_cast_info *equiv;
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static int init_run = 0;
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if (init_run) return;
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init_run = 1;
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for (i = 0; i < swig_module.size; i++) {
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if (swig_module.types[i]->clientdata) {
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equiv = swig_module.types[i]->cast;
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while (equiv) {
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if (!equiv->converter) {
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if (equiv->type && !equiv->type->clientdata)
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SWIG_TypeClientData(equiv->type, swig_module.types[i]->clientdata);
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}
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equiv = equiv->next;
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}
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}
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}
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}
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#ifdef __cplusplus
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#if 0
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{ /* c-mode */
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#endif
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}
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#endif
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