support for all C scalar types in pure mode

Cython/Compiler/PyrexTypes.py

@@ -2141,38 +2141,43 @@ c_py_buffer_ptr_type = CPtrType(c_py_buffer_type)
 error_type =    ErrorType()
 unspecified_type = UnspecifiedType()
 
-
 modifiers_and_name_to_type = {
-    #(signed, longness, name)
+    #(signed, longness, name) : type
     (0,  0, "char"): c_uchar_type,
+    (1,  0, "char"): c_char_type,
+    (2,  0, "char"): c_schar_type,
+
     (0, -1, "int"): c_ushort_type,
     (0,  0, "int"): c_uint_type,
     (0,  1, "int"): c_ulong_type,
     (0,  2, "int"): c_ulonglong_type,
-    (1, 0, "void"): c_void_type,
-    (1, 0, "char"): c_char_type,
+
     (1, -1, "int"): c_short_type,
     (1,  0, "int"): c_int_type,
     (1,  1, "int"): c_long_type,
     (1,  2, "int"): c_longlong_type,
-    (1, 0, "float"): c_float_type,
-    (1, 0, "double"): c_double_type,
-    (1, 1, "double"): c_longdouble_type,
-    (1, 0, "object"): py_object_type,
-    (1, 0, "bint"): c_bint_type,
-    (2, 0, "char"): c_schar_type,
+
     (2, -1, "int"): c_sshort_type,
     (2,  0, "int"): c_sint_type,
     (2,  1, "int"): c_slong_type,
     (2,  2, "int"): c_slonglong_type,
 
-    (2, 0, "Py_ssize_t"): c_py_ssize_t_type,
+    (1,  0, "bint"): c_bint_type,
     (0,  0, "size_t") :    c_size_t_type,
+    (2,  0, "Py_ssize_t"): c_py_ssize_t_type,
 
-    (1, 0, "long"): c_long_type,
-    (1, 0, "short"): c_short_type,
-    (1, 0, "longlong"): c_longlong_type,
-    (1, 0, "bint"): c_bint_type,
+    (1,  0, "float"):  c_float_type,
+    (1,  0, "double"): c_double_type,
+    (1,  1, "double"): c_longdouble_type,
+
+    (1,  0, "complex"):  c_float_complex_type,
+    (1,  0, "floatcomplex"):  c_float_complex_type,
+    (1,  0, "doublecomplex"): c_double_complex_type,
+    (1,  1, "doublecomplex"): c_longdouble_complex_type,
+
+    #
+    (1,  0, "void"): c_void_type,
+    (1,  0, "object"): py_object_type,
 }
 
 def is_promotion(src_type, dst_type):
@@ -2367,10 +2372,35 @@ def parse_basic_type(name):
         base = parse_basic_type(name[:-1])
     if base:
         return CPtrType(base)
-    elif name.startswith('u'):
-        return simple_c_type(0, 0, name[1:])
+    #
+    basic_type = simple_c_type(1, 0, name)
+    if basic_type:
+        return basic_type
+    #
+    signed = 1
+    longness = 0
+    if name == 'Py_ssize_t':
+        signed = 2
+    elif name == 'size_t':
+        signed = 0
     else:
-        return simple_c_type(1, 0, name)
+        if name.startswith('u'):
+            name = name[1:]
+            signed = 0
+        elif (name.startswith('s') and 
+              not name.startswith('short')):
+            name = name[1:]
+            signed = 2
+        longness = 0
+        while name.startswith('short'):
+            name = name.replace('short', '', 1).strip()
+            longness -= 1
+        while name.startswith('long'):
+            name = name.replace('long', '', 1).strip()
+            longness += 1
+        if longness != 0 and not name:
+            name = 'int'
+    return simple_c_type(signed, longness, name)
 
 def c_array_type(base_type, size):
     # Construct a C array type.

Cython/Shadow.py

@@ -153,12 +153,13 @@ class typedef(CythonType):
         
 
 
-py_float = float
 py_int = int
 try:
     py_long = long
 except NameError: # Py3
     py_long = int
+py_float = float
+py_complex = complex
 
 try:
     # Python 3
@@ -173,20 +174,29 @@ except ImportError:
 
 # Predefined types
 
-int_types = ['char', 'short', 'int', 'long', 'longlong', 'Py_ssize_t'] 
-float_types = ['double', 'float']
+int_types = ['char', 'short', 'int', 'long', 'longlong', 'Py_ssize_t', 'size_t']
+float_types = ['longdouble', 'double', 'float']
+complex_types = ['longdoublecomplex', 'doublecomplex', 'floatcomplex', 'complex']
 other_types = ['bint', 'void']
+
 gs = globals()
 
 for name in int_types:
     gs[name] = typedef(py_int)
+    if not name.endswith('size_t'):
         gs['u'+name] = typedef(py_int)
+        gs['s'+name] = typedef(py_int)
+    
+for name in float_types:
+    gs[name] = typedef(py_float)
+
+for name in complex_types:
+    gs[name] = typedef(py_complex)
 
-double = float = typedef(py_float)
 bint = typedef(bool)
 void = typedef(int)
 
-for t in int_types + float_types + other_types:
+for t in int_types + float_types + complex_types + other_types:
     for i in range(1, 4):
         gs["%s_%s" % ('p'*i, t)] = globals()[t]._pointer(i)
 

tests/run/pure.pyx

@@ -104,3 +104,42 @@ def test_imports():
 MyStruct3 = typedef(MyStruct[3])
 MyStruct4 = my_typedef(MyStruct[4])
 MyStruct5 = cy.typedef(MyStruct[5])
+
+def test_declare_c_types(n):
+    """
+    >>> test_declare_c_types(0)
+    >>> test_declare_c_types(1)
+    >>> test_declare_c_types(2)
+    """
+    #
+    b00 = cython.declare(cython.bint, 0)
+    b01 = cython.declare(cython.bint, 1)
+    b02 = cython.declare(cython.bint, 2)
+    #
+    i00 = cython.declare(cython.uchar, n)
+    i01 = cython.declare(cython.char, n)
+    i02 = cython.declare(cython.schar, n)
+    i03 = cython.declare(cython.ushort, n)
+    i04 = cython.declare(cython.short, n)
+    i05 = cython.declare(cython.sshort, n)
+    i06 = cython.declare(cython.uint, n)
+    i07 = cython.declare(cython.int, n)
+    i08 = cython.declare(cython.sint, n)
+    i09 = cython.declare(cython.slong, n)
+    i10 = cython.declare(cython.long, n)
+    i11 = cython.declare(cython.ulong, n)
+    i12 = cython.declare(cython.slonglong, n)
+    i13 = cython.declare(cython.longlong, n)
+    i14 = cython.declare(cython.ulonglong, n)
+
+    i20 = cython.declare(cython.Py_ssize_t, n)
+    i21 = cython.declare(cython.size_t, n)
+    #
+    f00 = cython.declare(cython.float, n)
+    f01 = cython.declare(cython.double, n)
+    f02 = cython.declare(cython.longdouble, n)
+    #
+    #z00 = cython.declare(cython.complex, n+1j)
+    #z01 = cython.declare(cython.floatcomplex, n+1j)
+    #z02 = cython.declare(cython.doublecomplex, n+1j)
+    #z03 = cython.declare(cython.longdoublecomplex, n+1j)