From: Robert Bradshaw <robertwb@gmail.com>
Date: Sun, 25 Aug 2013 04:05:10 +0000 (-0700)
Subject: Remove old type conversion code.
X-Git-Tag: 0.20b1~323^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=62e59ef4cd37e61b17967bcc352490fba27724dc;p=platform%2Fupstream%2Fpython-cython.git

Remove old type conversion code.
---

diff --git a/Cython/Compiler/ModuleNode.py b/Cython/Compiler/ModuleNode.py
index db7266e..6ae12a7 100644
--- a/Cython/Compiler/ModuleNode.py
+++ b/Cython/Compiler/ModuleNode.py
@@ -603,12 +603,6 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
         code.putln('static const char * %s= %s;' % (Naming.cfilenm_cname, Naming.file_c_macro))
         code.putln('static const char *%s;' % Naming.filename_cname)
 
-        # XXX this is a mess
-        for utility_code in PyrexTypes.c_int_from_py_function.specialize_list:
-            env.use_utility_code(utility_code)
-        for utility_code in PyrexTypes.c_long_from_py_function.specialize_list:
-            env.use_utility_code(utility_code)
-
     def generate_extern_c_macro_definition(self, code):
         name = Naming.extern_c_macro
         code.putln("#ifndef %s" % name)
diff --git a/Cython/Compiler/PyrexTypes.py b/Cython/Compiler/PyrexTypes.py
index 431b58d..07f4778 100755
--- a/Cython/Compiler/PyrexTypes.py
+++ b/Cython/Compiler/PyrexTypes.py
@@ -1365,191 +1365,6 @@ class CNumericType(CType):
             return "(int, long)"
         return "float"
 
-c_int_from_py_function = UtilityCode(
-proto="""
-static CYTHON_INLINE %(type)s __Pyx_PyInt_As%(SignWord)s%(TypeName)s(PyObject *);
-""",
-impl="""
-static CYTHON_INLINE %(type)s __Pyx_PyInt_As%(SignWord)s%(TypeName)s(PyObject* x) {
-    const %(type)s neg_one = (%(type)s)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(%(type)s) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(%(type)s)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to %(type)s" :
-                    "value too large to convert to %(type)s");
-            }
-            return (%(type)s)-1;
-        }
-        return (%(type)s)val;
-    }
-    return (%(type)s)__Pyx_PyInt_As%(SignWord)sLong(x);
-}
-""") #fool emacs: '
-
-c_long_from_py_function = UtilityCode(
-proto="""
-static CYTHON_INLINE %(type)s __Pyx_PyInt_As%(SignWord)s%(TypeName)s(PyObject *);
-""",
-impl="""
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
-#if CYTHON_USE_PYLONG_INTERNALS
-#include "longintrepr.h"
-#endif
-#endif
-static CYTHON_INLINE %(type)s __Pyx_PyInt_As%(SignWord)s%(TypeName)s(PyObject* x) {
-    const %(type)s neg_one = (%(type)s)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to %(type)s");
-            return (%(type)s)-1;
-        }
-        return (%(type)s)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
-#if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(%(type)s)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (%(type)s) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
-#endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to %(type)s");
-                return (%(type)s)-1;
-            }
-            return (%(type)s)PyLong_AsUnsigned%(TypeName)s(x);
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
-#if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(%(type)s)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(%(type)s) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(%(type)s) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
-#endif
-#endif
-            return (%(type)s)PyLong_As%(TypeName)s(x);
-        }
-    } else {
-        %(type)s val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (%(type)s)-1;
-        val = __Pyx_PyInt_As%(SignWord)s%(TypeName)s(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-""")
-
-c_typedef_int_from_py_function = UtilityCode(
-proto="""
-static CYTHON_INLINE %(type)s __Pyx_PyInt_from_py_%(TypeName)s(PyObject *);
-""",
-impl="""
-static CYTHON_INLINE %(type)s __Pyx_PyInt_from_py_%(TypeName)s(PyObject* x) {
-    const %(type)s neg_one = (%(type)s)-1, const_zero = (%(type)s)0;
-    const int is_unsigned = const_zero < neg_one;
-    if (sizeof(%(type)s) == sizeof(char)) {
-        if (is_unsigned)
-            return (%(type)s)__Pyx_PyInt_AsUnsignedChar(x);
-        else
-            return (%(type)s)__Pyx_PyInt_AsSignedChar(x);
-    } else if (sizeof(%(type)s) == sizeof(short)) {
-        if (is_unsigned)
-            return (%(type)s)__Pyx_PyInt_AsUnsignedShort(x);
-        else
-            return (%(type)s)__Pyx_PyInt_AsSignedShort(x);
-    } else if (sizeof(%(type)s) == sizeof(int)) {
-        if (is_unsigned)
-            return (%(type)s)__Pyx_PyInt_AsUnsignedInt(x);
-        else
-            return (%(type)s)__Pyx_PyInt_AsSignedInt(x);
-    } else if (sizeof(%(type)s) == sizeof(long)) {
-        if (is_unsigned)
-            return (%(type)s)__Pyx_PyInt_AsUnsignedLong(x);
-        else
-            return (%(type)s)__Pyx_PyInt_AsSignedLong(x);
-    } else if (sizeof(%(type)s) == sizeof(PY_LONG_LONG)) {
-        if (is_unsigned)
-            return (%(type)s)__Pyx_PyInt_AsUnsignedLongLong(x);
-        else
-            return (%(type)s)__Pyx_PyInt_AsSignedLongLong(x);
-    }  else {
-        #if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-        PyErr_SetString(PyExc_RuntimeError,
-                        "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-        #else
-        %(type)s val;
-        PyObject *v = __Pyx_PyNumber_Int(x);
-        #if PY_MAJOR_VERSION < 3
-        if (likely(v) && !PyLong_Check(v)) {
-            PyObject *tmp = v;
-            v = PyNumber_Long(tmp);
-            Py_DECREF(tmp);
-        }
-        #endif
-        if (likely(v)) {
-            int one = 1; int is_little = (int)*(unsigned char *)&one;
-            unsigned char *bytes = (unsigned char *)&val;
-            int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                          bytes, sizeof(val),
-                                          is_little, !is_unsigned);
-            Py_DECREF(v);
-            if (likely(!ret))
-                return val;
-        }
-        #endif
-        return (%(type)s)-1;
-    }
-}
-""")
-
-c_typedef_int_to_py_function = UtilityCode(
-proto="""
-static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_%(TypeName)s(%(type)s);
-""",
-impl="""
-static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_%(TypeName)s(%(type)s val) {
-    const %(type)s neg_one = (%(type)s)-1, const_zero = (%(type)s)0;
-    const int is_unsigned = const_zero < neg_one;
-    if ((sizeof(%(type)s) == sizeof(char))  ||
-        (sizeof(%(type)s) == sizeof(short))) {
-        return PyInt_FromLong((long)val);
-    } else if ((sizeof(%(type)s) == sizeof(int)) ||
-               (sizeof(%(type)s) == sizeof(long))) {
-        if (is_unsigned)
-            return PyLong_FromUnsignedLong((unsigned long)val);
-        else
-            return PyInt_FromLong((long)val);
-    } else if (sizeof(%(type)s) == sizeof(PY_LONG_LONG)) {
-        if (is_unsigned)
-            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG)val);
-        else
-            return PyLong_FromLongLong((PY_LONG_LONG)val);
-    } else {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&val;
-        return _PyLong_FromByteArray(bytes, sizeof(%(type)s),
-                                     little, !is_unsigned);
-    }
-}
-""")
 
 class CIntType(CNumericType):
 
@@ -1559,14 +1374,6 @@ class CIntType(CNumericType):
     from_py_function = None
     exception_value = -1
 
-    def __init__(self, rank, signed = 1):
-        CNumericType.__init__(self, rank, signed)
-        if self.to_py_function is None:
-            self.to_py_function = self.get_to_py_type_conversion()
-        if self.from_py_function is None:
-            # Inject specializatioin used elsewhere.
-            self.get_from_py_type_conversion()
-
     def create_to_py_utility_code(self, env):
         self.to_py_function = "__Pyx_PyInt_to_py_" + self.specialization_name()
         env.use_utility_code(TempitaUtilityCode.load(
@@ -1779,17 +1586,11 @@ class CSSizeTType(CIntType):
 
 class CSizeTType(CIntType):
 
-    to_py_function = "__Pyx_PyInt_FromSize_t"
-    from_py_function = "__Pyx_PyInt_AsSize_t"
-
     def sign_and_name(self):
         return "size_t"
 
 class CPtrdiffTType(CIntType):
 
-    to_py_function = "__Pyx_PyInt_FromPtrdiff_t"
-    from_py_function = "__Pyx_PyInt_AsPtrdiff_t"
-
     def sign_and_name(self):
         return "ptrdiff_t"
 
diff --git a/Cython/Utility/TypeConversion.c b/Cython/Utility/TypeConversion.c
index 95d2eda..0a62234 100644
--- a/Cython/Utility/TypeConversion.c
+++ b/Cython/Utility/TypeConversion.c
@@ -44,11 +44,6 @@ static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
 static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
 
 static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
-static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject*);
-
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromPtrdiff_t(ptrdiff_t);
-static CYTHON_INLINE ptrdiff_t __Pyx_PyInt_AsPtrdiff_t(PyObject*);
 
 #if CYTHON_COMPILING_IN_CPYTHON
 #define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
@@ -267,51 +262,6 @@ static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
   return ival;
 }
 
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
-#if PY_VERSION_HEX < 0x02050000
-   if (ival <= LONG_MAX)
-       return PyInt_FromLong((long)ival);
-   else {
-       unsigned char *bytes = (unsigned char *) &ival;
-       int one = 1; int little = (int)*(unsigned char*)&one;
-       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
-   }
-#else
-   return PyInt_FromSize_t(ival);
-#endif
-}
-
-static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject* x) {
-   unsigned PY_LONG_LONG val = __Pyx_PyInt_AsUnsignedLongLong(x);
-   if (unlikely(val != (unsigned PY_LONG_LONG)(size_t)val)) {
-       if ((val != (unsigned PY_LONG_LONG)-1) || !PyErr_Occurred())
-           PyErr_SetString(PyExc_OverflowError,
-                           "value too large to convert to size_t");
-       return (size_t)-1;
-   }
-   return (size_t)val;
-}
-    
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromPtrdiff_t(ptrdiff_t ival) {
-    if (LONG_MIN < ival && ival <= LONG_MAX)
-        return PyInt_FromLong((long)ival);
-    else {
-        unsigned char *bytes = (unsigned char *) &ival;
-        int one = 1; int little = (int)*(unsigned char*)&one;
-        return _PyLong_FromByteArray(bytes, sizeof(ptrdiff_t), little, 0);
-    }
-}
-
-static CYTHON_INLINE ptrdiff_t __Pyx_PyInt_AsPtrdiff_t(PyObject* x) {
-    unsigned PY_LONG_LONG val = __Pyx_PyInt_AsLongLong(x);
-    if (unlikely(val != (unsigned PY_LONG_LONG)(ptrdiff_t)val)) {
-        if ((val != (unsigned PY_LONG_LONG)-1) || !PyErr_Occurred())
-            PyErr_SetString(PyExc_OverflowError,
-                            "value too large to convert to size_t");
-        return (ptrdiff_t)-1;
-    }
-    return (ptrdiff_t)val;
-}
 
 /////////////// FromPyStructUtility.proto ///////////////
 {{struct_type_decl}};