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import sys
from typing import Dict, Any
import sys
from typing_extensions import Final
PREFIX = 'CPyPy_' # type: Final # Python wrappers
NATIVE_PREFIX = 'CPyDef_' # type: Final # Native functions etc.
DUNDER_PREFIX = 'CPyDunder_' # type: Final # Wrappers for exposing dunder methods to the API
REG_PREFIX = 'cpy_r_' # type: Final # Registers
STATIC_PREFIX = 'CPyStatic_' # type: Final # Static variables (for literals etc.)
TYPE_PREFIX = 'CPyType_' # type: Final # Type object struct
MODULE_PREFIX = 'CPyModule_' # type: Final # Cached modules
ATTR_PREFIX = '_' # type: Final # Attributes
ENV_ATTR_NAME = '__mypyc_env__' # type: Final
NEXT_LABEL_ATTR_NAME = '__mypyc_next_label__' # type: Final
TEMP_ATTR_NAME = '__mypyc_temp__' # type: Final
LAMBDA_NAME = '__mypyc_lambda__' # type: Final
PROPSET_PREFIX = '__mypyc_setter__' # type: Final
SELF_NAME = '__mypyc_self__' # type: Final
INT_PREFIX = '__tmp_literal_int_' # type: Final
# Max short int we accept as a literal is based on 32-bit platforms,
# so that we can just always emit the same code.
TOP_LEVEL_NAME = '__top_level__' # type: Final # Special function representing module top level
# Maximal number of subclasses for a class to trigger fast path in isinstance() checks.
FAST_ISINSTANCE_MAX_SUBCLASSES = 2 # type: Final
IS_32_BIT_PLATFORM = sys.maxsize < (1 << 31) # type: Final
PLATFORM_SIZE = 4 if IS_32_BIT_PLATFORM else 8
# Python 3.5 on macOS uses a hybrid 32/64-bit build that requires some workarounds.
# The same generated C will be compiled in both 32 and 64 bit modes when building mypy
# wheels (for an unknown reason).
#
# Note that we use "in ['darwin']" because of https://github.com/mypyc/mypyc/issues/761.
IS_MIXED_32_64_BIT_BUILD = sys.platform in ['darwin'] and sys.version_info < (3, 6) # type: Final
# Maximum value for a short tagged integer.
MAX_SHORT_INT = sys.maxsize >> 1 # type: Final
# Maximum value for a short tagged integer represented as a C integer literal.
#
# Note: Assume that the compiled code uses the same bit width as mypyc, except for
# Python 3.5 on macOS.
MAX_LITERAL_SHORT_INT = (sys.maxsize >> 1 if not IS_MIXED_32_64_BIT_BUILD
else 2**30 - 1) # type: Final
# Runtime C library files
RUNTIME_C_FILES = [
'init.c',
'getargs.c',
'int_ops.c',
'list_ops.c',
'dict_ops.c',
'str_ops.c',
'set_ops.c',
'tuple_ops.c',
'exc_ops.c',
'misc_ops.c',
'generic_ops.c',
] # type: Final
def decorator_helper_name(func_name: str) -> str:
return '__mypyc_{}_decorator_helper__'.format(func_name)
def shared_lib_name(group_name: str) -> str:
"""Given a group name, return the actual name of its extension module.
(This just adds a suffix to the final component.)
"""
return '{}__mypyc'.format(group_name)
def short_name(name: str) -> str:
if name.startswith('builtins.'):
return name[9:]
return name
JsonDict = Dict[str, Any]
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