trick/trick_source/trick_swig/swig_global_vars.cpp

#ifndef SWIGUNUSED
# if defined(__GNUC__)
#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
#     define SWIGUNUSED __attribute__ ((__unused__)) 
#   else
#     define SWIGUNUSED
#   endif
# elif defined(__ICC)
#   define SWIGUNUSED __attribute__ ((__unused__)) 
# else
#   define SWIGUNUSED 
# endif
#endif

#ifndef SWIGUNUSEDPARM
# ifdef __cplusplus
#   define SWIGUNUSEDPARM(p)
# else
#   define SWIGUNUSEDPARM(p) p SWIGUNUSED 
# endif
#endif

#ifndef SWIGINTERN
# define SWIGINTERN static SWIGUNUSED
#endif

#include <Python.h>
#include <iostream>


SWIGINTERN char*
SWIG_Python_str_AsChar(PyObject *str)
{
#if PY_VERSION_HEX >= 0x03000000
  char *cstr;
  char *newstr;
  Py_ssize_t len;
  str = PyUnicode_AsUTF8String(str);
  PyBytes_AsStringAndSize(str, &cstr, &len);
  newstr = (char *) malloc(len+1);
  memcpy(newstr, cstr, len+1);
  Py_XDECREF(str);
  return newstr;
#else
  return PyString_AsString(str);
#endif
}

#if PY_VERSION_HEX >= 0x03000000
#  define SWIG_Python_str_DelForPy3(x) free( (void*) (x) )
#else
#  define SWIG_Python_str_DelForPy3(x) 
#endif

extern "C" {

  /* Python-specific SWIG API */
#define SWIG_newvarlink()                             SWIG_Python_newvarlink()
#define SWIG_addvarlink(p, name, get_attr, set_attr)  SWIG_Python_addvarlink(p, name, get_attr, set_attr)
#define SWIG_InstallConstants(d, constants)           SWIG_Python_InstallConstants(d, constants)

  /* -----------------------------------------------------------------------------
   * global variable support code.
   * ----------------------------------------------------------------------------- */

  typedef struct swig_globalvar {
    char       *name;                  /* Name of global variable */
    PyObject *(*get_attr)(void);       /* Return the current value */
    int       (*set_attr)(PyObject *); /* Set the value */
    struct swig_globalvar *next;
  } swig_globalvar;

  typedef struct swig_varlinkobject {
    PyObject_HEAD
    swig_globalvar *vars;
  } swig_varlinkobject;

  SWIGINTERN PyObject *
  swig_varlink_repr(swig_varlinkobject *SWIGUNUSEDPARM(v)) {
#if PY_VERSION_HEX >= 0x03000000
    return PyUnicode_InternFromString("<Swig global variables>");
#else
    return PyString_FromString("<Swig global variables>");
#endif
  }

  SWIGINTERN PyObject *
  swig_varlink_str(swig_varlinkobject *v) {
#if PY_VERSION_HEX >= 0x03000000
    PyObject *str = PyUnicode_InternFromString("(");
    PyObject *tail;
    PyObject *joined;
    swig_globalvar *var;
    for (var = v->vars; var; var=var->next) {
      tail = PyUnicode_FromString(var->name);
      joined = PyUnicode_Concat(str, tail);
      Py_DecRef(str);
      Py_DecRef(tail);
      str = joined;
      if (var->next) {
        tail = PyUnicode_InternFromString(", ");
        joined = PyUnicode_Concat(str, tail);
        Py_DecRef(str);
        Py_DecRef(tail);
        str = joined;
      }
    }
    tail = PyUnicode_InternFromString(")");
    joined = PyUnicode_Concat(str, tail);
    Py_DecRef(str);
    Py_DecRef(tail);
    str = joined;
#else
    PyObject *str = PyString_FromString("(");
    swig_globalvar *var;
    for (var = v->vars; var; var=var->next) {
      PyString_ConcatAndDel(&str,PyString_FromString(var->name));
      if (var->next) PyString_ConcatAndDel(&str,PyString_FromString(", "));
    }
    PyString_ConcatAndDel(&str,PyString_FromString(")"));
#endif
    return str;
  }

  SWIGINTERN int
  swig_varlink_print(swig_varlinkobject *v, FILE *fp, int SWIGUNUSEDPARM(flags)) {
    char *tmp;
    PyObject *str = swig_varlink_str(v);
    fprintf(fp,"Swig global variables ");
    fprintf(fp,"%s\n", tmp = SWIG_Python_str_AsChar(str));
    SWIG_Python_str_DelForPy3(tmp);
    Py_DECREF(str);
    return 0;
  }

  SWIGINTERN void
  swig_varlink_dealloc(swig_varlinkobject *v) {
    swig_globalvar *var = v->vars;
    while (var) {
      swig_globalvar *n = var->next;
      free(var->name);
      free(var);
      var = n;
    }
  }

  SWIGINTERN PyObject *
  swig_varlink_getattr(swig_varlinkobject *v, char *n) {
    PyObject *res = NULL;
    swig_globalvar *var = v->vars;
    while (var) {
      if (strcmp(var->name,n) == 0) {
        res = (*var->get_attr)();
        break;
      }
      var = var->next;
    }
    if (res == NULL && !PyErr_Occurred()) {
      PyErr_SetString(PyExc_NameError,"Unknown C global variable");
    }
    return res;
  }

  SWIGINTERN int
  swig_varlink_setattr(swig_varlinkobject *v, char *n, PyObject *p) {
    int res = 1;
    swig_globalvar *var = v->vars;
    while (var) {
      if (strcmp(var->name,n) == 0) {
        res = (*var->set_attr)(p);
        break;
      }
      var = var->next;
    }
    if (res == 1 && !PyErr_Occurred()) {
      PyErr_SetString(PyExc_NameError,"Unknown C global variable");
    }
    return res;
  }

  SWIGINTERN PyTypeObject*
  swig_varlink_type(void) {
    static char varlink__doc__[] = "Swig var link object";
    static PyTypeObject varlink_type;
    static int type_init = 0;
    if (!type_init) {
      const PyTypeObject tmp
      = {
        /* PyObject header changed in Python 3 */
#if PY_VERSION_HEX >= 0x03000000
        PyVarObject_HEAD_INIT(&PyType_Type, 0)
#else
        PyObject_HEAD_INIT(NULL)
        0,                                  /* Number of items in variable part (ob_size) */
#endif
        (char *)"swigvarlink",              /* Type name (tp_name) */
        sizeof(swig_varlinkobject),         /* Basic size (tp_basicsize) */
        0,                                  /* Itemsize (tp_itemsize) */
        (destructor) swig_varlink_dealloc,  /* Deallocator (tp_dealloc) */ 
        (printfunc) swig_varlink_print,     /* Print (tp_print) */
        (getattrfunc) swig_varlink_getattr, /* get attr (tp_getattr) */
        (setattrfunc) swig_varlink_setattr, /* Set attr (tp_setattr) */
        0,                                  /* tp_compare */
        (reprfunc) swig_varlink_repr,       /* tp_repr */
        0,                                  /* tp_as_number */
        0,                                  /* tp_as_sequence */
        0,                                  /* tp_as_mapping */
        0,                                  /* tp_hash */
        0,                                  /* tp_call */
        (reprfunc) swig_varlink_str,        /* tp_str */
        0,                                  /* tp_getattro */
        0,                                  /* tp_setattro */
        0,                                  /* tp_as_buffer */
        0,                                  /* tp_flags */
        varlink__doc__,                     /* tp_doc */
        0,                                  /* tp_traverse */
        0,                                  /* tp_clear */
        0,                                  /* tp_richcompare */
        0,                                  /* tp_weaklistoffset */
#if PY_VERSION_HEX >= 0x02020000
        0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* tp_iter -> tp_weaklist */
#endif
#if PY_VERSION_HEX >= 0x02030000
        0,                                  /* tp_del */
#endif
#ifdef COUNT_ALLOCS
        0,0,0,0                             /* tp_alloc -> tp_next */
#endif
      };
      varlink_type = tmp;
      /* for Python 3 we already assigned ob_type in PyVarObject_HEAD_INIT() */
#if PY_VERSION_HEX < 0x03000000
      varlink_type.ob_type = &PyType_Type;
#endif
      type_init = 1;
    }
    return &varlink_type;
  }

  /* Create a variable linking object for use later */
  SWIGINTERN PyObject *
  SWIG_Python_newvarlink(void) {
    swig_varlinkobject *result = PyObject_NEW(swig_varlinkobject, swig_varlink_type());
    if (result) {
      result->vars = 0;
    }
    return ((PyObject*) result);
  }

  SWIGINTERN void
  SWIG_Python_addvarlink(PyObject *p, char *name, PyObject *(*get_attr)(void), int (*set_attr)(PyObject *p)) {
    swig_varlinkobject *v = (swig_varlinkobject *) p;
    swig_globalvar *gv = (swig_globalvar *) malloc(sizeof(swig_globalvar));
    if (gv) {
      size_t size = strlen(name)+1;
      gv->name = (char *)malloc(size);
      if (gv->name) {
        strncpy(gv->name,name,size);
        gv->get_attr = get_attr;
        gv->set_attr = set_attr;
        gv->next = v->vars;
      }
    }
    v->vars = gv;
  }

  SWIGINTERN PyObject *
  SWIG_globals(void) {
    static PyObject *_SWIG_globals = 0;
    if (!_SWIG_globals) _SWIG_globals = SWIG_newvarlink();
    return _SWIG_globals;
  }

  /* new_cvar_list returns an empty cvar list.
     It is not a static function so it is accessible in trick/__init__.py */
  PyObject * new_cvar_list() {
      return SWIG_globals();
  }

  /* combine_cvars adds cvars from arg2 list to list in arg1.
     No error checking is done to test if arg2 is proper swig_varlinkobject type */
  void combine_cvars( PyObject *arg1 , PyObject *arg2 ) {
      swig_globalvar * gvit ;
      if ( arg2 != Py_None ) {
          swig_varlinkobject *v = (swig_varlinkobject *) arg2;
          gvit = v->vars ;
          while (gvit != NULL ) {
              SWIG_addvarlink( arg1, gvit->name, gvit->get_attr, gvit->set_attr);
              gvit = gvit->next ;
          }
      }
  }

}