diff options
Diffstat (limited to 'cffi/cffi_opcode.py')
| -rw-r--r-- | cffi/cffi_opcode.py | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/cffi/cffi_opcode.py b/cffi/cffi_opcode.py deleted file mode 100644 index a0df98d..0000000 --- a/cffi/cffi_opcode.py +++ /dev/null @@ -1,187 +0,0 @@ -from .error import VerificationError - -class CffiOp(object): - def __init__(self, op, arg): - self.op = op - self.arg = arg - - def as_c_expr(self): - if self.op is None: - assert isinstance(self.arg, str) - return '(_cffi_opcode_t)(%s)' % (self.arg,) - classname = CLASS_NAME[self.op] - return '_CFFI_OP(_CFFI_OP_%s, %s)' % (classname, self.arg) - - def as_python_bytes(self): - if self.op is None and self.arg.isdigit(): - value = int(self.arg) # non-negative: '-' not in self.arg - if value >= 2**31: - raise OverflowError("cannot emit %r: limited to 2**31-1" - % (self.arg,)) - return format_four_bytes(value) - if isinstance(self.arg, str): - raise VerificationError("cannot emit to Python: %r" % (self.arg,)) - return format_four_bytes((self.arg << 8) | self.op) - - def __str__(self): - classname = CLASS_NAME.get(self.op, self.op) - return '(%s %s)' % (classname, self.arg) - -def format_four_bytes(num): - return '\\x%02X\\x%02X\\x%02X\\x%02X' % ( - (num >> 24) & 0xFF, - (num >> 16) & 0xFF, - (num >> 8) & 0xFF, - (num ) & 0xFF) - -OP_PRIMITIVE = 1 -OP_POINTER = 3 -OP_ARRAY = 5 -OP_OPEN_ARRAY = 7 -OP_STRUCT_UNION = 9 -OP_ENUM = 11 -OP_FUNCTION = 13 -OP_FUNCTION_END = 15 -OP_NOOP = 17 -OP_BITFIELD = 19 -OP_TYPENAME = 21 -OP_CPYTHON_BLTN_V = 23 # varargs -OP_CPYTHON_BLTN_N = 25 # noargs -OP_CPYTHON_BLTN_O = 27 # O (i.e. a single arg) -OP_CONSTANT = 29 -OP_CONSTANT_INT = 31 -OP_GLOBAL_VAR = 33 -OP_DLOPEN_FUNC = 35 -OP_DLOPEN_CONST = 37 -OP_GLOBAL_VAR_F = 39 -OP_EXTERN_PYTHON = 41 - -PRIM_VOID = 0 -PRIM_BOOL = 1 -PRIM_CHAR = 2 -PRIM_SCHAR = 3 -PRIM_UCHAR = 4 -PRIM_SHORT = 5 -PRIM_USHORT = 6 -PRIM_INT = 7 -PRIM_UINT = 8 -PRIM_LONG = 9 -PRIM_ULONG = 10 -PRIM_LONGLONG = 11 -PRIM_ULONGLONG = 12 -PRIM_FLOAT = 13 -PRIM_DOUBLE = 14 -PRIM_LONGDOUBLE = 15 - -PRIM_WCHAR = 16 -PRIM_INT8 = 17 -PRIM_UINT8 = 18 -PRIM_INT16 = 19 -PRIM_UINT16 = 20 -PRIM_INT32 = 21 -PRIM_UINT32 = 22 -PRIM_INT64 = 23 -PRIM_UINT64 = 24 -PRIM_INTPTR = 25 -PRIM_UINTPTR = 26 -PRIM_PTRDIFF = 27 -PRIM_SIZE = 28 -PRIM_SSIZE = 29 -PRIM_INT_LEAST8 = 30 -PRIM_UINT_LEAST8 = 31 -PRIM_INT_LEAST16 = 32 -PRIM_UINT_LEAST16 = 33 -PRIM_INT_LEAST32 = 34 -PRIM_UINT_LEAST32 = 35 -PRIM_INT_LEAST64 = 36 -PRIM_UINT_LEAST64 = 37 -PRIM_INT_FAST8 = 38 -PRIM_UINT_FAST8 = 39 -PRIM_INT_FAST16 = 40 -PRIM_UINT_FAST16 = 41 -PRIM_INT_FAST32 = 42 -PRIM_UINT_FAST32 = 43 -PRIM_INT_FAST64 = 44 -PRIM_UINT_FAST64 = 45 -PRIM_INTMAX = 46 -PRIM_UINTMAX = 47 -PRIM_FLOATCOMPLEX = 48 -PRIM_DOUBLECOMPLEX = 49 -PRIM_CHAR16 = 50 -PRIM_CHAR32 = 51 - -_NUM_PRIM = 52 -_UNKNOWN_PRIM = -1 -_UNKNOWN_FLOAT_PRIM = -2 -_UNKNOWN_LONG_DOUBLE = -3 - -_IO_FILE_STRUCT = -1 - -PRIMITIVE_TO_INDEX = { - 'char': PRIM_CHAR, - 'short': PRIM_SHORT, - 'int': PRIM_INT, - 'long': PRIM_LONG, - 'long long': PRIM_LONGLONG, - 'signed char': PRIM_SCHAR, - 'unsigned char': PRIM_UCHAR, - 'unsigned short': PRIM_USHORT, - 'unsigned int': PRIM_UINT, - 'unsigned long': PRIM_ULONG, - 'unsigned long long': PRIM_ULONGLONG, - 'float': PRIM_FLOAT, - 'double': PRIM_DOUBLE, - 'long double': PRIM_LONGDOUBLE, - 'float _Complex': PRIM_FLOATCOMPLEX, - 'double _Complex': PRIM_DOUBLECOMPLEX, - '_Bool': PRIM_BOOL, - 'wchar_t': PRIM_WCHAR, - 'char16_t': PRIM_CHAR16, - 'char32_t': PRIM_CHAR32, - 'int8_t': PRIM_INT8, - 'uint8_t': PRIM_UINT8, - 'int16_t': PRIM_INT16, - 'uint16_t': PRIM_UINT16, - 'int32_t': PRIM_INT32, - 'uint32_t': PRIM_UINT32, - 'int64_t': PRIM_INT64, - 'uint64_t': PRIM_UINT64, - 'intptr_t': PRIM_INTPTR, - 'uintptr_t': PRIM_UINTPTR, - 'ptrdiff_t': PRIM_PTRDIFF, - 'size_t': PRIM_SIZE, - 'ssize_t': PRIM_SSIZE, - 'int_least8_t': PRIM_INT_LEAST8, - 'uint_least8_t': PRIM_UINT_LEAST8, - 'int_least16_t': PRIM_INT_LEAST16, - 'uint_least16_t': PRIM_UINT_LEAST16, - 'int_least32_t': PRIM_INT_LEAST32, - 'uint_least32_t': PRIM_UINT_LEAST32, - 'int_least64_t': PRIM_INT_LEAST64, - 'uint_least64_t': PRIM_UINT_LEAST64, - 'int_fast8_t': PRIM_INT_FAST8, - 'uint_fast8_t': PRIM_UINT_FAST8, - 'int_fast16_t': PRIM_INT_FAST16, - 'uint_fast16_t': PRIM_UINT_FAST16, - 'int_fast32_t': PRIM_INT_FAST32, - 'uint_fast32_t': PRIM_UINT_FAST32, - 'int_fast64_t': PRIM_INT_FAST64, - 'uint_fast64_t': PRIM_UINT_FAST64, - 'intmax_t': PRIM_INTMAX, - 'uintmax_t': PRIM_UINTMAX, - } - -F_UNION = 0x01 -F_CHECK_FIELDS = 0x02 -F_PACKED = 0x04 -F_EXTERNAL = 0x08 -F_OPAQUE = 0x10 - -G_FLAGS = dict([('_CFFI_' + _key, globals()[_key]) - for _key in ['F_UNION', 'F_CHECK_FIELDS', 'F_PACKED', - 'F_EXTERNAL', 'F_OPAQUE']]) - -CLASS_NAME = {} -for _name, _value in list(globals().items()): - if _name.startswith('OP_') and isinstance(_value, int): - CLASS_NAME[_value] = _name[3:] |