def insert_const_bytes(self, mod, bytes, name=None):
"""
Insert constant *byte* (a `bytes` object) into module *mod*.
"""
stringtype = GENERIC_POINTER
name = ".bytes.%s" % (name or hash(bytes))
text = cgutils.make_bytearray(bytes)
gv = self.insert_unique_const(mod, name, text)
return Constant.bitcast(gv, stringtype)
def insert_const_string(self, mod, string):
"""
Insert constant *string* (a str object) into module *mod*.
"""
stringtype = GENERIC_POINTER
name = ".const.%s" % string
text = cgutils.make_bytearray(string.encode("utf-8") + b"\x00")
gv = self.insert_unique_const(mod, name, text)
return Constant.bitcast(gv, stringtype)
def insert_const_string(self, mod, string):
"""
Insert constant *string* (a str object) into module *mod*.
"""
stringtype = GENERIC_POINTER
name = ".const.%s" % string
text = cgutils.make_bytearray(string.encode("utf-8") + b"\x00")
gv = self.insert_unique_const(mod, name, text)
return Constant.bitcast(gv, stringtype)
def insert_const_bytes(self, mod, bytes, name=None):
"""
Insert constant *byte* (a `bytes` object) into module *mod*.
"""
stringtype = GENERIC_POINTER
name = ".bytes.%s" % (name or hash(bytes))
text = cgutils.make_bytearray(bytes)
gv = self.insert_unique_const(mod, name, text)
return Constant.bitcast(gv, stringtype)
def serialize_object(self, obj):
"""
Serialize the given object in the bitcode, and return it
as a pointer to a {i8* data, i32 length}, structure constant
(suitable for passing to unserialize()).
"""
try:
gv = self.module.__serialized[obj]
except KeyError:
# First make the array constant
data = pickle.dumps(obj, protocol=-1)
name = ".const.pickledata.%s" % (id(obj))
bdata = cgutils.make_bytearray(data)
arr = self.context.insert_unique_const(self.module, name, bdata)
# Then populate the structure constant
struct = ir.Constant.literal_struct([
arr.bitcast(self.voidptr),
ir.Constant(ir.IntType(32), arr.type.pointee.count),
])
name = ".const.picklebuf.%s" % (id(obj))
gv = self.context.insert_unique_const(self.module, name, struct)
# Make the id() (and hence the name) unique while populating the module.
self.module.__serialized[obj] = gv
return gv
def serialize_object(self, obj):
"""
Serialize the given object in the bitcode, and return it
as a pointer to a {i8* data, i32 length}, structure constant
(suitable for passing to unserialize()).
"""
try:
gv = self.module.__serialized[obj]
except KeyError:
# First make the array constant
data = pickle.dumps(obj, protocol=-1)
name = ".const.pickledata.%s" % (id(obj))
bdata = cgutils.make_bytearray(data)
arr = self.context.insert_unique_const(self.module, name, bdata)
# Then populate the structure constant
struct = ir.Constant.literal_struct([
arr.bitcast(self.voidptr),
ir.Constant(ir.IntType(32), arr.type.pointee.count),
])
name = ".const.picklebuf.%s" % (id(obj))
gv = self.context.insert_unique_const(self.module, name, struct)
# Make the id() (and hence the name) unique while populating the module.
self.module.__serialized[obj] = gv
return gv
