servo/tests/unit/stylo/check_bindings.py
Xidorn Quan a60e5f0218 Move binding files into another directory.
So that we can copy them when not using bindgen altogether.
2017-05-08 21:26:58 +10:00

38 lines
1.4 KiB
Python
Executable file

#!/usr/bin/env python
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import os
import re
ROOT_PATH = os.path.join("..", "..", "..")
INPUT_FILE = os.path.join(ROOT_PATH, "components", "style", "gecko", "generated", "bindings.rs")
OUTPUT_FILE = os.path.join(os.environ["OUT_DIR"], "check_bindings.rs")
GLUE_FILE = os.path.join(ROOT_PATH, "ports", "geckolib", "glue.rs")
GLUE_OUTPUT_FILE = os.path.join(os.environ["OUT_DIR"], "glue.rs")
TEMPLATE = """\
[ Servo_{name}, bindings::Servo_{name} ];
"""
with open(INPUT_FILE, "r") as bindings, open(OUTPUT_FILE, "w+") as tests:
tests.write("fn assert_types() {\n")
pattern = re.compile("fn\s*Servo_([a-zA-Z0-9_]+)\s*\(")
for line in bindings:
match = pattern.search(line)
# GetStyleVariables is a Servo_* function, but temporarily defined on
# the gecko side
if match and match.group(1) != "GetStyleVariables":
tests.write(TEMPLATE.format(name=match.group(1)))
tests.write("}\n")
with open(GLUE_FILE, "r") as glue, open(GLUE_OUTPUT_FILE, "w+") as glue_output:
glue_output.write("pub use style::gecko::arc_types::*;")
for line in glue:
glue_output.write(line.replace("pub extern \"C\" fn", "pub unsafe extern \"C\" fn"))