def fresh_stmt_id(self, prefix):
"""Return an statement name that is guaranteed not to be in use and
not to be generated in the future."""
from pytools import generate_unique_names
for possible_id in generate_unique_names(prefix):
if possible_id not in self.id_set and possible_id not in \
self.generated_id_set:
self.generated_id_set.add(possible_id)
return possible_id
def make_unique_instruction_id(self, insns=None, based_on="insn",
extra_used_ids=set()):
if insns is None:
insns = self.instructions
used_ids = set(insn.id for insn in insns) | extra_used_ids
for id_str in generate_unique_names(based_on):
if id_str not in used_ids:
return intern(id_str)
def make_unique_instruction_id(self, insns=None, based_on="insn",
extra_used_ids=set()):
if insns is None:
insns = self.instructions
used_ids = set(insn.id for insn in insns) | extra_used_ids
for id_str in generate_unique_names(based_on):
if id_str not in used_ids:
return intern(id_str)
def _var_name_generator(self, prefix):
from pytools import generate_unique_names
return generate_unique_names(prefix)