Author: Amaury Forgeot d'Arc <[email protected]>
Branch: remove-PYPY_NOT_MAIN_FILE
Changeset: r57728:58342f3c594d
Date: 2012-10-02 15:27 +0200
http://bitbucket.org/pypy/pypy/changeset/58342f3c594d/

Log:    Split support.h into header and implementation.

diff --git a/pypy/translator/c/genc.py b/pypy/translator/c/genc.py
--- a/pypy/translator/c/genc.py
+++ b/pypy/translator/c/genc.py
@@ -910,6 +910,7 @@
         srcdir / 'allocator.c',
         srcdir / 'mem.c',
         srcdir / 'exception.c',
+        srcdir / 'support.c',
         srcdir / 'profiling.c',
         srcdir / 'debug_print.c',
         srcdir / 'debug_traceback.c',
diff --git a/pypy/translator/c/src/debug_print.h 
b/pypy/translator/c/src/debug_print.h
--- a/pypy/translator/c/src/debug_print.h
+++ b/pypy/translator/c/src/debug_print.h
@@ -1,5 +1,7 @@
 /************************************************************/
- /***  C header subsection: debug_print & related tools    ***/
+/***  C header subsection: debug_print & related tools    ***/
+
+#include <stdio.h>
 
 /* values of the PYPYLOG environment variable:
    ("top-level" debug_prints means not between debug_start and debug_stop)
diff --git a/pypy/translator/c/src/support.c b/pypy/translator/c/src/support.c
new file mode 100644
--- /dev/null
+++ b/pypy/translator/c/src/support.c
@@ -0,0 +1,406 @@
+#include "common_header.h"
+#include <src/support.h>
+
+/************************************************************/
+/***  C header subsection: support functions              ***/
+
+#include <stdio.h>
+#include <stdlib.h>
+
+/*** misc ***/
+
+void RPyAssertFailed(const char* filename, long lineno,
+                     const char* function, const char *msg) {
+  fprintf(stderr,
+          "PyPy assertion failed at %s:%ld:\n"
+          "in %s: %s\n",
+          filename, lineno, function, msg);
+  abort();
+}
+
+void RPyAbort(void) {
+  fprintf(stderr, "Invalid RPython operation (NULL ptr or bad array index)\n");
+  abort();
+}
+
+#ifdef PYPY_CPYTHON_EXTENSION
+
+/* we need a subclass of 'builtin_function_or_method' which can be used
+   as methods: builtin function objects that can be bound on instances */
+PyObject *
+gencfunc_descr_get(PyObject *func, PyObject *obj, PyObject *type)
+{
+       if (obj == Py_None)
+               obj = NULL;
+       return PyMethod_New(func, obj, type);
+}
+static PyTypeObject PyGenCFunction_Type = {
+       PyObject_HEAD_INIT(NULL)
+       0,
+       "pypy_generated_function",
+       sizeof(PyCFunctionObject),
+       0,
+       0,                                      /* tp_dealloc */
+       0,                                      /* tp_print */
+       0,                                      /* tp_getattr */
+       0,                                      /* tp_setattr */
+       0,                                      /* tp_compare */
+       0,                                      /* tp_repr */
+       0,                                      /* tp_as_number */
+       0,                                      /* tp_as_sequence */
+       0,                                      /* tp_as_mapping */
+       0,                                      /* tp_hash */
+       0,                                      /* tp_call */
+       0,                                      /* tp_str */
+       0,                                      /* tp_getattro */
+       0,                                      /* tp_setattro */
+       0,                                      /* tp_as_buffer */
+       Py_TPFLAGS_DEFAULT,                     /* tp_flags */
+       0,                                      /* tp_doc */
+       0,                                      /* tp_traverse */
+       0,                                      /* tp_clear */
+       0,                                      /* tp_richcompare */
+       0,                                      /* tp_weaklistoffset */
+       0,                                      /* tp_iter */
+       0,                                      /* tp_iternext */
+       0,                                      /* tp_methods */
+       0,                                      /* tp_members */
+       0,                                      /* tp_getset */
+       /*&PyCFunction_Type set below*/ 0,      /* tp_base */
+       0,                                      /* tp_dict */
+       gencfunc_descr_get,                     /* tp_descr_get */
+       0,                                      /* tp_descr_set */
+};
+
+
+/*** misc support functions ***/
+
+PyObject* PyList_Pack(int n, ...)
+{
+       int i;
+       PyObject *o;
+       PyObject *result;
+       va_list vargs;
+
+       va_start(vargs, n);
+       result = PyList_New(n);
+       if (result == NULL) {
+               return NULL;
+       }
+       for (i = 0; i < n; i++) {
+               o = va_arg(vargs, PyObject *);
+               Py_INCREF(o);
+               PyList_SET_ITEM(result, i, o);
+       }
+       va_end(vargs);
+       return result;
+}
+
+PyObject* PyDict_Pack(int n, ...)
+{
+       int i;
+       PyObject *key, *val;
+       PyObject *result;
+       va_list vargs;
+
+       va_start(vargs, n);
+       result = PyDict_New();
+       if (result == NULL) {
+               return NULL;
+       }
+       for (i = 0; i < n; i++) {
+               key = va_arg(vargs, PyObject *);
+               val = va_arg(vargs, PyObject *);
+               if (PyDict_SetItem(result, key, val) < 0) {
+                       Py_DECREF(result);
+                       return NULL;
+               }
+       }
+       va_end(vargs);
+       return result;
+}
+
+#if PY_VERSION_HEX < 0x02040000   /* 2.4 */
+PyObject* PyTuple_Pack(int n, ...)
+{
+       int i;
+       PyObject *o;
+       PyObject *result;
+       PyObject **items;
+       va_list vargs;
+
+       va_start(vargs, n);
+       result = PyTuple_New(n);
+       if (result == NULL) {
+               return NULL;
+       }
+       items = ((PyTupleObject *)result)->ob_item;
+       for (i = 0; i < n; i++) {
+               o = va_arg(vargs, PyObject *);
+               Py_INCREF(o);
+               items[i] = o;
+       }
+       va_end(vargs);
+       return result;
+}
+#endif
+
+#if PY_VERSION_HEX < 0x02030000   /* 2.3 */
+/* for Python 2.2 only */
+PyObject* PyObject_GetItem1(PyObject* obj, PyObject* index)
+{
+       int start, stop, step;
+       if (!PySlice_Check(index)) {
+               return PyObject_GetItem(obj, index);
+       }
+       if (((PySliceObject*) index)->start == Py_None) {
+               start = -INT_MAX-1;
+       } else {
+               start = PyInt_AsLong(((PySliceObject*) index)->start);
+               if (start == -1 && PyErr_Occurred()) {
+                       return NULL;
+               }
+       }
+       if (((PySliceObject*) index)->stop == Py_None) {
+               stop = INT_MAX;
+       } else {
+               stop = PyInt_AsLong(((PySliceObject*) index)->stop);
+               if (stop == -1 && PyErr_Occurred()) {
+                       return NULL;
+               }
+       }
+       if (((PySliceObject*) index)->step != Py_None) {
+               step = PyInt_AsLong(((PySliceObject*) index)->step);
+               if (step == -1 && PyErr_Occurred()) {
+                       return NULL;
+               }
+               if (step != 1) {
+                       PyErr_SetString(PyExc_ValueError,
+                                       "obj[slice]: no step allowed");
+                       return NULL;
+               }
+       }
+       return PySequence_GetSlice(obj, start, stop);
+}
+
+PyObject* PyObject_SetItem1(PyObject* obj, PyObject* index, PyObject* v)
+{
+       int start, stop, step;
+       if (!PySlice_Check(index)) {
+               return PyObject_SetItem(obj, index, v);
+       }
+       if (((PySliceObject*) index)->start == Py_None) {
+               start = -INT_MAX-1;
+       } else {
+               start = PyInt_AsLong(((PySliceObject*) index)->start);
+               if (start == -1 && PyErr_Occurred()) {
+                       return NULL;
+               }
+       }
+       if (((PySliceObject*) index)->stop == Py_None) {
+               stop = INT_MAX;
+       } else {
+               stop = PyInt_AsLong(((PySliceObject*) index)->stop);
+               if (stop == -1 && PyErr_Occurred()) {
+                       return NULL;
+               }
+       }
+       if (((PySliceObject*) index)->step != Py_None) {
+               step = PyInt_AsLong(((PySliceObject*) index)->step);
+               if (step == -1 && PyErr_Occurred()) {
+                       return NULL;
+               }
+               if (step != 1) {
+                       PyErr_SetString(PyExc_ValueError,
+                                       "obj[slice]: no step allowed");
+                       return NULL;
+               }
+       }
+       return PySequence_SetSlice(obj, start, stop, v);
+}
+#endif
+
+PyObject* CallWithShape(PyObject* callable, PyObject* shape, ...)
+{
+       /* XXX the 'shape' argument is a tuple as specified by
+          XXX pypy.interpreter.argument.fromshape().  This code should
+          XXX we made independent on the format of the 'shape' later... */
+       PyObject* result = NULL;
+       PyObject* t = NULL;
+       PyObject* d = NULL;
+       PyObject* o;
+       PyObject* key;
+       PyObject* t2;
+       int i, nargs, nkwds, starflag, starstarflag;
+       va_list vargs;
+
+       if (!PyTuple_Check(shape) ||
+           PyTuple_GET_SIZE(shape) != 4 ||
+           !PyInt_Check(PyTuple_GET_ITEM(shape, 0)) ||
+           !PyTuple_Check(PyTuple_GET_ITEM(shape, 1)) ||
+           !PyInt_Check(PyTuple_GET_ITEM(shape, 2)) ||
+           !PyInt_Check(PyTuple_GET_ITEM(shape, 3))) {
+               Py_FatalError("in genc.h: invalid 'shape' argument");
+       }
+       nargs = PyInt_AS_LONG(PyTuple_GET_ITEM(shape, 0));
+       nkwds = PyTuple_GET_SIZE(PyTuple_GET_ITEM(shape, 1));
+       starflag = PyInt_AS_LONG(PyTuple_GET_ITEM(shape, 2));
+       starstarflag = PyInt_AS_LONG(PyTuple_GET_ITEM(shape, 3));
+
+       va_start(vargs, shape);
+       t = PyTuple_New(nargs);
+       if (t == NULL)
+               goto finally;
+       for (i = 0; i < nargs; i++) {
+               o = va_arg(vargs, PyObject *);
+               Py_INCREF(o);
+               PyTuple_SET_ITEM(t, i, o);
+       }
+       if (nkwds) {
+               d = PyDict_New();
+               if (d == NULL)
+                       goto finally;
+               for (i = 0; i < nkwds; i++) {
+                       o = va_arg(vargs, PyObject *);
+                       key = PyTuple_GET_ITEM(PyTuple_GET_ITEM(shape, 1), i);
+                       if (PyDict_SetItem(d, key, o) < 0)
+                               goto finally;
+               }
+       }
+       if (starflag) {
+               o = va_arg(vargs, PyObject *);
+               o = PySequence_Tuple(o);
+               if (o == NULL)
+                       goto finally;
+               t2 = PySequence_Concat(t, o);
+               Py_DECREF(o);
+               Py_DECREF(t);
+               t = t2;
+               if (t == NULL)
+                       goto finally;
+       }
+       if (starstarflag) {
+               int len1, len2, len3;
+               o = va_arg(vargs, PyObject *);
+               len1 = PyDict_Size(d);
+               len2 = PyDict_Size(o);
+               if (len1 < 0 || len2 < 0)
+                       goto finally;
+               if (PyDict_Update(d, o) < 0)
+                       goto finally;
+               len3 = PyDict_Size(d);
+               if (len1 + len2 != len3) {
+                       PyErr_SetString(PyExc_TypeError,
+                                       "genc.h: duplicate keyword arguments");
+                       goto finally;
+               }
+       }
+       va_end(vargs);
+
+       result = PyObject_Call(callable, t, d);
+
+ finally:
+       Py_XDECREF(d);
+       Py_XDECREF(t);
+       return result;
+}
+
+PyObject* decode_arg(PyObject* fname, int position, PyObject* name,
+                           PyObject* vargs, PyObject* vkwds, PyObject* def)
+{
+       PyObject* result;
+       int size = PyTuple_Size(vargs);
+       if (size < 0)
+               return NULL;
+       if (vkwds != NULL) {
+               result = PyDict_GetItem(vkwds, name);
+               if (result != NULL) {
+                       if (position < size) {
+                               PyErr_Format(PyExc_TypeError,
+                                            "%s() got duplicate value for "
+                                            "its '%s' argument",
+                                            PyString_AS_STRING(fname),
+                                            PyString_AS_STRING(name));
+                               return NULL;
+                       }
+                       Py_INCREF(result);
+                       return result;
+               }
+       }
+       if (position < size) {
+               /* common case */
+               result = PyTuple_GET_ITEM(vargs, position);
+               Py_INCREF(result);
+               return result;
+       }
+       if (def != NULL) {
+               Py_INCREF(def);
+               return def;
+       }
+       PyErr_Format(PyExc_TypeError, "%s() got only %d argument(s)",
+                    PyString_AS_STRING(fname),
+                    position);
+       return NULL;
+}
+
+int check_no_more_arg(PyObject* fname, int n, PyObject* vargs)
+{
+       int size = PyTuple_Size(vargs);
+       if (size < 0)
+               return -1;
+       if (size > n) {
+               PyErr_Format(PyExc_TypeError,
+                            "%s() got %d argument(s), expected %d",
+                            PyString_AS_STRING(fname),
+                            size, n);
+               return -1;
+       }
+       return 0;
+}
+
+int check_self_nonzero(PyObject* fname, PyObject* self)
+{
+       if (!self) {
+                   PyErr_Format(PyExc_TypeError,
+                               "%s() expects instance first arg",
+                               PyString_AS_STRING(fname));
+                   return -1;
+       }
+       return 0;
+}
+               
+/************************************************************/
+
+PyObject *PyTuple_GetItem_WithIncref(PyObject *tuple, int index)
+{
+       PyObject *result = PyTuple_GetItem(tuple, index);
+       Py_XINCREF(result);
+       return result;
+}
+
+int PyTuple_SetItem_WithIncref(PyObject *tuple, int index, PyObject *o)
+{
+       Py_INCREF(o);
+       return PyTuple_SetItem(tuple, index, o);
+}
+
+int PySequence_Contains_with_exc(PyObject *seq, PyObject *ob)
+{
+       int ret = PySequence_Contains(seq, ob);
+       
+       if (ret < 0) 
+               CFAIL();
+       return ret;
+}
+
+PyObject* _PyUnicode_FromRPyUnicode(wchar_t *items, long length)
+{
+    PyObject *u = PyUnicode_FromUnicode(NULL, length);
+    long i;
+    for (i=0; i<length; i++) {
+        /* xxx possibly silently truncate the unichars */
+        PyUnicode_AS_UNICODE(u)[i] = items[i];
+    }
+    return u;
+}
+#endif  /* PYPY_CPYTHON_EXTENSION */
diff --git a/pypy/translator/c/src/support.h b/pypy/translator/c/src/support.h
--- a/pypy/translator/c/src/support.h
+++ b/pypy/translator/c/src/support.h
@@ -2,14 +2,6 @@
 /************************************************************/
  /***  C header subsection: support functions              ***/
 
-#include <stdio.h>
-
-/*** misc ***/
-
-#if !defined(MIN)
-#define MIN(a,b) (((a)<(b))?(a):(b))
-#endif /* MIN */
-
 #define RUNNING_ON_LLINTERP    0
 #define OP_JIT_RECORD_KNOWN_CLASS(i, c, r)  /* nothing */
 
@@ -53,20 +45,12 @@
 
 void RPyAssertFailed(const char* filename, long lineno,
                      const char* function, const char *msg);
-#  ifdef PYPY_MAIN_IMPLEMENTATION_FILE
-void RPyAssertFailed(const char* filename, long lineno,
-                     const char* function, const char *msg) {
-  fprintf(stderr,
-          "PyPy assertion failed at %s:%ld:\n"
-          "in %s: %s\n",
-          filename, lineno, function, msg);
-  abort();
-}
-#  endif
 #else
 #  define RPyAssert(x, msg)   /* nothing */
 #endif
 
+void RPyAbort(void);
+
 #if defined(RPY_LL_ASSERT) || defined(RPY_SANDBOXED)
 /* obscure macros that can be used as expressions and lvalues to refer
  * to a field of a structure or an item in an array in a "safe" way --
@@ -88,14 +72,6 @@
 #  define RPyBareItem(array, index)                                         \
      ((RPyCHECK((array) && (index) >= 0), (array))[index])
 
-void RPyAbort(void);
-#ifdef PYPY_MAIN_IMPLEMENTATION_FILE
-void RPyAbort(void) {
-  fprintf(stderr, "Invalid RPython operation (NULL ptr or bad array index)\n");
-  abort();
-}
-#endif
-
 #else
 #  define RPyField(ptr, name)                ((ptr)->name)
 #  define RPyItem(array, index)              ((array)->items[index])
@@ -130,390 +106,4 @@
 int PyTuple_SetItem_WithIncref(PyObject *tuple, int index, PyObject *o);
 int PySequence_Contains_with_exc(PyObject *seq, PyObject *ob);
 PyObject* _PyUnicode_FromRPyUnicode(wchar_t *items, long length);
-
-/* implementations */
-
-#ifdef PYPY_MAIN_IMPLEMENTATION_FILE
-
-/* we need a subclass of 'builtin_function_or_method' which can be used
-   as methods: builtin function objects that can be bound on instances */
-PyObject *
-gencfunc_descr_get(PyObject *func, PyObject *obj, PyObject *type)
-{
-       if (obj == Py_None)
-               obj = NULL;
-       return PyMethod_New(func, obj, type);
-}
-static PyTypeObject PyGenCFunction_Type = {
-       PyObject_HEAD_INIT(NULL)
-       0,
-       "pypy_generated_function",
-       sizeof(PyCFunctionObject),
-       0,
-       0,                                      /* tp_dealloc */
-       0,                                      /* tp_print */
-       0,                                      /* tp_getattr */
-       0,                                      /* tp_setattr */
-       0,                                      /* tp_compare */
-       0,                                      /* tp_repr */
-       0,                                      /* tp_as_number */
-       0,                                      /* tp_as_sequence */
-       0,                                      /* tp_as_mapping */
-       0,                                      /* tp_hash */
-       0,                                      /* tp_call */
-       0,                                      /* tp_str */
-       0,                                      /* tp_getattro */
-       0,                                      /* tp_setattro */
-       0,                                      /* tp_as_buffer */
-       Py_TPFLAGS_DEFAULT,                     /* tp_flags */
-       0,                                      /* tp_doc */
-       0,                                      /* tp_traverse */
-       0,                                      /* tp_clear */
-       0,                                      /* tp_richcompare */
-       0,                                      /* tp_weaklistoffset */
-       0,                                      /* tp_iter */
-       0,                                      /* tp_iternext */
-       0,                                      /* tp_methods */
-       0,                                      /* tp_members */
-       0,                                      /* tp_getset */
-       /*&PyCFunction_Type set below*/ 0,      /* tp_base */
-       0,                                      /* tp_dict */
-       gencfunc_descr_get,                     /* tp_descr_get */
-       0,                                      /* tp_descr_set */
-};
-
-
-/*** misc support functions ***/
-
-PyObject* PyList_Pack(int n, ...)
-{
-       int i;
-       PyObject *o;
-       PyObject *result;
-       va_list vargs;
-
-       va_start(vargs, n);
-       result = PyList_New(n);
-       if (result == NULL) {
-               return NULL;
-       }
-       for (i = 0; i < n; i++) {
-               o = va_arg(vargs, PyObject *);
-               Py_INCREF(o);
-               PyList_SET_ITEM(result, i, o);
-       }
-       va_end(vargs);
-       return result;
-}
-
-PyObject* PyDict_Pack(int n, ...)
-{
-       int i;
-       PyObject *key, *val;
-       PyObject *result;
-       va_list vargs;
-
-       va_start(vargs, n);
-       result = PyDict_New();
-       if (result == NULL) {
-               return NULL;
-       }
-       for (i = 0; i < n; i++) {
-               key = va_arg(vargs, PyObject *);
-               val = va_arg(vargs, PyObject *);
-               if (PyDict_SetItem(result, key, val) < 0) {
-                       Py_DECREF(result);
-                       return NULL;
-               }
-       }
-       va_end(vargs);
-       return result;
-}
-
-#if PY_VERSION_HEX < 0x02040000   /* 2.4 */
-PyObject* PyTuple_Pack(int n, ...)
-{
-       int i;
-       PyObject *o;
-       PyObject *result;
-       PyObject **items;
-       va_list vargs;
-
-       va_start(vargs, n);
-       result = PyTuple_New(n);
-       if (result == NULL) {
-               return NULL;
-       }
-       items = ((PyTupleObject *)result)->ob_item;
-       for (i = 0; i < n; i++) {
-               o = va_arg(vargs, PyObject *);
-               Py_INCREF(o);
-               items[i] = o;
-       }
-       va_end(vargs);
-       return result;
-}
-#endif
-
-#if PY_VERSION_HEX < 0x02030000   /* 2.3 */
-/* for Python 2.2 only */
-PyObject* PyObject_GetItem1(PyObject* obj, PyObject* index)
-{
-       int start, stop, step;
-       if (!PySlice_Check(index)) {
-               return PyObject_GetItem(obj, index);
-       }
-       if (((PySliceObject*) index)->start == Py_None) {
-               start = -INT_MAX-1;
-       } else {
-               start = PyInt_AsLong(((PySliceObject*) index)->start);
-               if (start == -1 && PyErr_Occurred()) {
-                       return NULL;
-               }
-       }
-       if (((PySliceObject*) index)->stop == Py_None) {
-               stop = INT_MAX;
-       } else {
-               stop = PyInt_AsLong(((PySliceObject*) index)->stop);
-               if (stop == -1 && PyErr_Occurred()) {
-                       return NULL;
-               }
-       }
-       if (((PySliceObject*) index)->step != Py_None) {
-               step = PyInt_AsLong(((PySliceObject*) index)->step);
-               if (step == -1 && PyErr_Occurred()) {
-                       return NULL;
-               }
-               if (step != 1) {
-                       PyErr_SetString(PyExc_ValueError,
-                                       "obj[slice]: no step allowed");
-                       return NULL;
-               }
-       }
-       return PySequence_GetSlice(obj, start, stop);
-}
-
-PyObject* PyObject_SetItem1(PyObject* obj, PyObject* index, PyObject* v)
-{
-       int start, stop, step;
-       if (!PySlice_Check(index)) {
-               return PyObject_SetItem(obj, index, v);
-       }
-       if (((PySliceObject*) index)->start == Py_None) {
-               start = -INT_MAX-1;
-       } else {
-               start = PyInt_AsLong(((PySliceObject*) index)->start);
-               if (start == -1 && PyErr_Occurred()) {
-                       return NULL;
-               }
-       }
-       if (((PySliceObject*) index)->stop == Py_None) {
-               stop = INT_MAX;
-       } else {
-               stop = PyInt_AsLong(((PySliceObject*) index)->stop);
-               if (stop == -1 && PyErr_Occurred()) {
-                       return NULL;
-               }
-       }
-       if (((PySliceObject*) index)->step != Py_None) {
-               step = PyInt_AsLong(((PySliceObject*) index)->step);
-               if (step == -1 && PyErr_Occurred()) {
-                       return NULL;
-               }
-               if (step != 1) {
-                       PyErr_SetString(PyExc_ValueError,
-                                       "obj[slice]: no step allowed");
-                       return NULL;
-               }
-       }
-       return PySequence_SetSlice(obj, start, stop, v);
-}
-#endif
-
-PyObject* CallWithShape(PyObject* callable, PyObject* shape, ...)
-{
-       /* XXX the 'shape' argument is a tuple as specified by
-          XXX pypy.interpreter.argument.fromshape().  This code should
-          XXX we made independent on the format of the 'shape' later... */
-       PyObject* result = NULL;
-       PyObject* t = NULL;
-       PyObject* d = NULL;
-       PyObject* o;
-       PyObject* key;
-       PyObject* t2;
-       int i, nargs, nkwds, starflag, starstarflag;
-       va_list vargs;
-
-       if (!PyTuple_Check(shape) ||
-           PyTuple_GET_SIZE(shape) != 4 ||
-           !PyInt_Check(PyTuple_GET_ITEM(shape, 0)) ||
-           !PyTuple_Check(PyTuple_GET_ITEM(shape, 1)) ||
-           !PyInt_Check(PyTuple_GET_ITEM(shape, 2)) ||
-           !PyInt_Check(PyTuple_GET_ITEM(shape, 3))) {
-               Py_FatalError("in genc.h: invalid 'shape' argument");
-       }
-       nargs = PyInt_AS_LONG(PyTuple_GET_ITEM(shape, 0));
-       nkwds = PyTuple_GET_SIZE(PyTuple_GET_ITEM(shape, 1));
-       starflag = PyInt_AS_LONG(PyTuple_GET_ITEM(shape, 2));
-       starstarflag = PyInt_AS_LONG(PyTuple_GET_ITEM(shape, 3));
-
-       va_start(vargs, shape);
-       t = PyTuple_New(nargs);
-       if (t == NULL)
-               goto finally;
-       for (i = 0; i < nargs; i++) {
-               o = va_arg(vargs, PyObject *);
-               Py_INCREF(o);
-               PyTuple_SET_ITEM(t, i, o);
-       }
-       if (nkwds) {
-               d = PyDict_New();
-               if (d == NULL)
-                       goto finally;
-               for (i = 0; i < nkwds; i++) {
-                       o = va_arg(vargs, PyObject *);
-                       key = PyTuple_GET_ITEM(PyTuple_GET_ITEM(shape, 1), i);
-                       if (PyDict_SetItem(d, key, o) < 0)
-                               goto finally;
-               }
-       }
-       if (starflag) {
-               o = va_arg(vargs, PyObject *);
-               o = PySequence_Tuple(o);
-               if (o == NULL)
-                       goto finally;
-               t2 = PySequence_Concat(t, o);
-               Py_DECREF(o);
-               Py_DECREF(t);
-               t = t2;
-               if (t == NULL)
-                       goto finally;
-       }
-       if (starstarflag) {
-               int len1, len2, len3;
-               o = va_arg(vargs, PyObject *);
-               len1 = PyDict_Size(d);
-               len2 = PyDict_Size(o);
-               if (len1 < 0 || len2 < 0)
-                       goto finally;
-               if (PyDict_Update(d, o) < 0)
-                       goto finally;
-               len3 = PyDict_Size(d);
-               if (len1 + len2 != len3) {
-                       PyErr_SetString(PyExc_TypeError,
-                                       "genc.h: duplicate keyword arguments");
-                       goto finally;
-               }
-       }
-       va_end(vargs);
-
-       result = PyObject_Call(callable, t, d);
-
- finally:
-       Py_XDECREF(d);
-       Py_XDECREF(t);
-       return result;
-}
-
-PyObject* decode_arg(PyObject* fname, int position, PyObject* name,
-                           PyObject* vargs, PyObject* vkwds, PyObject* def)
-{
-       PyObject* result;
-       int size = PyTuple_Size(vargs);
-       if (size < 0)
-               return NULL;
-       if (vkwds != NULL) {
-               result = PyDict_GetItem(vkwds, name);
-               if (result != NULL) {
-                       if (position < size) {
-                               PyErr_Format(PyExc_TypeError,
-                                            "%s() got duplicate value for "
-                                            "its '%s' argument",
-                                            PyString_AS_STRING(fname),
-                                            PyString_AS_STRING(name));
-                               return NULL;
-                       }
-                       Py_INCREF(result);
-                       return result;
-               }
-       }
-       if (position < size) {
-               /* common case */
-               result = PyTuple_GET_ITEM(vargs, position);
-               Py_INCREF(result);
-               return result;
-       }
-       if (def != NULL) {
-               Py_INCREF(def);
-               return def;
-       }
-       PyErr_Format(PyExc_TypeError, "%s() got only %d argument(s)",
-                    PyString_AS_STRING(fname),
-                    position);
-       return NULL;
-}
-
-int check_no_more_arg(PyObject* fname, int n, PyObject* vargs)
-{
-       int size = PyTuple_Size(vargs);
-       if (size < 0)
-               return -1;
-       if (size > n) {
-               PyErr_Format(PyExc_TypeError,
-                            "%s() got %d argument(s), expected %d",
-                            PyString_AS_STRING(fname),
-                            size, n);
-               return -1;
-       }
-       return 0;
-}
-
-int check_self_nonzero(PyObject* fname, PyObject* self)
-{
-       if (!self) {
-                   PyErr_Format(PyExc_TypeError,
-                               "%s() expects instance first arg",
-                               PyString_AS_STRING(fname));
-                   return -1;
-       }
-       return 0;
-}
-               
-/************************************************************/
-
-PyObject *PyTuple_GetItem_WithIncref(PyObject *tuple, int index)
-{
-       PyObject *result = PyTuple_GetItem(tuple, index);
-       Py_XINCREF(result);
-       return result;
-}
-
-int PyTuple_SetItem_WithIncref(PyObject *tuple, int index, PyObject *o)
-{
-       Py_INCREF(o);
-       return PyTuple_SetItem(tuple, index, o);
-}
-
-int PySequence_Contains_with_exc(PyObject *seq, PyObject *ob)
-{
-       int ret = PySequence_Contains(seq, ob);
-       
-       if (ret < 0) 
-               CFAIL();
-       return ret;
-}
-
-PyObject* _PyUnicode_FromRPyUnicode(wchar_t *items, long length)
-{
-    PyObject *u = PyUnicode_FromUnicode(NULL, length);
-    long i;
-    for (i=0; i<length; i++) {
-        /* xxx possibly silently truncate the unichars */
-        PyUnicode_AS_UNICODE(u)[i] = items[i];
-    }
-    return u;
-}
-
-#endif /* PYPY_STANDALONE */
-
-#endif /* PYPY_MAIN_IMPLEMENTATION_FILE */
+#endif  /* PYPY_CPYTHON_EXTENSION */
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