Files
codeql/swift/codegen/lib/options.py
Paolo Tranquilli b2b5fd281f Swift: add more parametrization
This enables codegen to run on the swift PoC branch.
2022-05-05 17:34:00 +02:00

57 lines
1.8 KiB
Python

""" generator options, categorized by tags """
import argparse
import collections
import pathlib
from typing import Set
from . import paths
def _init_options():
Option("--verbose", "-v", action="store_true")
Option("--swift-dir", type=_abspath, default=paths.swift_dir)
Option("--schema", tags=["schema"], type=_abspath, default=paths.swift_dir / "codegen/schema.yml")
Option("--dbscheme", tags=["dbscheme"], type=_abspath, default=paths.swift_dir / "ql/lib/swift.dbscheme")
Option("--ql-output", tags=["ql"], type=_abspath, default=paths.swift_dir / "ql/lib/codeql/swift/generated")
Option("--ql-stub-output", tags=["ql"], type=_abspath, default=paths.swift_dir / "ql/lib/codeql/swift/elements")
Option("--codeql-binary", tags=["ql"], default="codeql")
Option("--cpp-output", tags=["cpp"], type=_abspath, required=True)
Option("--cpp-namespace", tags=["cpp"], default="codeql")
Option("--trap-affix", tags=["cpp"], default="Trap")
Option("--cpp-include-dir", tags=["cpp"], required=True)
def _abspath(x):
return pathlib.Path(x).resolve()
_options = collections.defaultdict(list)
class Option:
def __init__(self, *args, tags=None, **kwargs):
tags = tags or []
self.args = args
self.kwargs = kwargs
if tags:
for t in tags:
_options[t].append(self)
else:
_options["*"].append(self)
def add_to(self, parser: argparse.ArgumentParser):
parser.add_argument(*self.args, **self.kwargs)
_init_options()
def get(tags: Set[str]):
""" get options marked by `tags`
Options tagged by wildcard '*' are always returned
"""
# use specifically tagged options + those tagged with wildcard *
return (o for tag in ('*',) + tuple(tags) for o in _options[tag])